Merge pull request #3835 from Infisical/feat/gitlabSecretSync

feat(secret-sync): Add gitlab secret sync

.env.example

@@ -107,6 +107,10 @@ INF_APP_CONNECTION_GITHUB_APP_PRIVATE_KEY=
 INF_APP_CONNECTION_GITHUB_APP_SLUG=
 INF_APP_CONNECTION_GITHUB_APP_ID=
 
+#gitlab app connection
+INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID=
+INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET=
+
 #github radar app connection
 INF_APP_CONNECTION_GITHUB_RADAR_APP_CLIENT_ID=
 INF_APP_CONNECTION_GITHUB_RADAR_APP_CLIENT_SECRET=

backend/package-lock.json

@@ -30,6 +30,7 @@
         "@fastify/static": "^7.0.4",
         "@fastify/swagger": "^8.14.0",
         "@fastify/swagger-ui": "^2.1.0",
+        "@gitbeaker/rest": "^42.5.0",
         "@google-cloud/kms": "^4.5.0",
         "@infisical/quic": "^1.0.8",
         "@node-saml/passport-saml": "^5.0.1",
@@ -7807,6 +7808,48 @@
         "p-limit": "^3.1.0"
       }
     },
+    "node_modules/@gitbeaker/core": {
+      "version": "42.5.0",
+      "resolved": "https://registry.npmjs.org/@gitbeaker/core/-/core-42.5.0.tgz",
+      "integrity": "sha512-rMWpOPaZi1iLiifnOIoVO57p2EmQQdfIwP4txqNyMvG4WjYP5Ez0U7jRD9Nra41x6K5kTPBZkuQcAdxVWRJcEQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@gitbeaker/requester-utils": "^42.5.0",
+        "qs": "^6.12.2",
+        "xcase": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=18.20.0"
+      }
+    },
+    "node_modules/@gitbeaker/requester-utils": {
+      "version": "42.5.0",
+      "resolved": "https://registry.npmjs.org/@gitbeaker/requester-utils/-/requester-utils-42.5.0.tgz",
+      "integrity": "sha512-HLdLS9LPBMVQumvroQg/4qkphLDtwDB+ygEsrD2u4oYCMUtXV4V1xaVqU4yTXjbTJ5sItOtdB43vYRkBcgueBw==",
+      "license": "MIT",
+      "dependencies": {
+        "picomatch-browser": "^2.2.6",
+        "qs": "^6.12.2",
+        "rate-limiter-flexible": "^4.0.1",
+        "xcase": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=18.20.0"
+      }
+    },
+    "node_modules/@gitbeaker/rest": {
+      "version": "42.5.0",
+      "resolved": "https://registry.npmjs.org/@gitbeaker/rest/-/rest-42.5.0.tgz",
+      "integrity": "sha512-oC5cM6jS7aFOp0luTw5mWSRuMgdxwHRLZQ/aWkI+ETMfsprR/HyxsXfljlMY/XJ/fRxTbRJiodR5Axf66WjO3w==",
+      "license": "MIT",
+      "dependencies": {
+        "@gitbeaker/core": "^42.5.0",
+        "@gitbeaker/requester-utils": "^42.5.0"
+      },
+      "engines": {
+        "node": ">=18.20.0"
+      }
+    },
     "node_modules/@google-cloud/kms": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/@google-cloud/kms/-/kms-4.5.0.tgz",
@@ -24628,6 +24671,18 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/picomatch-browser": {
+      "version": "2.2.6",
+      "resolved": "https://registry.npmjs.org/picomatch-browser/-/picomatch-browser-2.2.6.tgz",
+      "integrity": "sha512-0ypsOQt9D4e3hziV8O4elD9uN0z/jtUEfxVRtNaAAtXIyUx9m/SzlO020i8YNL2aL/E6blOvvHQcin6HZlFy/w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/pify": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
@@ -25562,6 +25617,12 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/rate-limiter-flexible": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/rate-limiter-flexible/-/rate-limiter-flexible-4.0.1.tgz",
+      "integrity": "sha512-2/dGHpDFpeA0+755oUkW+EKyklqLS9lu0go9pDsbhqQjZcxfRyJ6LA4JI0+HAdZ2bemD/oOjUeZQB2lCZqXQfQ==",
+      "license": "ISC"
+    },
     "node_modules/raw-body": {
       "version": "2.5.2",
       "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.5.2.tgz",
@@ -31039,6 +31100,12 @@
         }
       }
     },
+    "node_modules/xcase": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/xcase/-/xcase-2.0.1.tgz",
+      "integrity": "sha512-UmFXIPU+9Eg3E9m/728Bii0lAIuoc+6nbrNUKaRPJOFp91ih44qqGlWtxMB6kXFrRD6po+86ksHM5XHCfk6iPw==",
+      "license": "MIT"
+    },
     "node_modules/xml-crypto": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/xml-crypto/-/xml-crypto-6.0.1.tgz",

backend/package.json

@@ -149,6 +149,7 @@
     "@fastify/static": "^7.0.4",
     "@fastify/swagger": "^8.14.0",
     "@fastify/swagger-ui": "^2.1.0",
+    "@gitbeaker/rest": "^42.5.0",
     "@google-cloud/kms": "^4.5.0",
     "@infisical/quic": "^1.0.8",
     "@node-saml/passport-saml": "^5.0.1",

backend/src/lib/api-docs/constants.ts

@@ -2228,6 +2228,12 @@ export const AppConnections = {
     },
     FLYIO: {
       accessToken: "The Access Token used to access fly.io."
+    },
+    GITLAB: {
+      instanceUrl: "The GitLab instance URL to connect with.",
+      accessToken: "The Access Token used to access GitLab.",
+      code: "The OAuth code to use to connect with GitLab.",
+      accessTokenType: "The type of token used to connect with GitLab."
     }
   }
 };
@@ -2402,6 +2408,17 @@ export const SecretSyncs = {
     FLYIO: {
       appId: "The ID of the Fly.io app to sync secrets to."
     },
+    GITLAB: {
+      projectId: "The GitLab Project ID to sync secrets to.",
+      projectName: "The GitLab Project Name to sync secrets to.",
+      groupId: "The GitLab Group ID to sync secrets to.",
+      groupName: "The GitLab Group Name to sync secrets to.",
+      scope: "The GitLab scope that secrets should be synced to. (default: project)",
+      targetEnvironment: "The GitLab environment scope that secrets should be synced to. (default: *)",
+      shouldProtectSecrets: "Whether variables should be protected",
+      shouldMaskSecrets: "Whether variables should be masked in logs",
+      shouldHideSecrets: "Whether variables should be hidden"
+    },
     CLOUDFLARE_PAGES: {
       projectName: "The name of the Cloudflare Pages project to sync secrets to.",
       environment: "The environment of the Cloudflare Pages project to sync secrets to."

backend/src/lib/config/env.ts

@@ -247,6 +247,10 @@ const envSchema = z
     INF_APP_CONNECTION_GITHUB_RADAR_APP_ID: zpStr(z.string().optional()),
     INF_APP_CONNECTION_GITHUB_RADAR_APP_WEBHOOK_SECRET: zpStr(z.string().optional()),
 
+    // gitlab oauth
+    INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID: zpStr(z.string().optional()),
+    INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET: zpStr(z.string().optional()),
+
     // gcp app
     INF_APP_CONNECTION_GCP_SERVICE_ACCOUNT_CREDENTIAL: zpStr(z.string().optional()),
 

backend/src/server/routes/v1/app-connection-routers/app-connection-router.ts

@@ -35,6 +35,10 @@ import {
   CamundaConnectionListItemSchema,
   SanitizedCamundaConnectionSchema
 } from "@app/services/app-connection/camunda";
+import {
+  CloudflareConnectionListItemSchema,
+  SanitizedCloudflareConnectionSchema
+} from "@app/services/app-connection/cloudflare/cloudflare-connection-schema";
 import {
   DatabricksConnectionListItemSchema,
   SanitizedDatabricksConnectionSchema
@@ -46,6 +50,7 @@ import {
   GitHubRadarConnectionListItemSchema,
   SanitizedGitHubRadarConnectionSchema
 } from "@app/services/app-connection/github-radar";
+import { GitLabConnectionListItemSchema, SanitizedGitLabConnectionSchema } from "@app/services/app-connection/gitlab";
 import {
   HCVaultConnectionListItemSchema,
   SanitizedHCVaultConnectionSchema
@@ -80,10 +85,6 @@ import {
   WindmillConnectionListItemSchema
 } from "@app/services/app-connection/windmill";
 import { AuthMode } from "@app/services/auth/auth-type";
-import {
-  CloudflareConnectionListItemSchema,
-  SanitizedCloudflareConnectionSchema
-} from "@app/services/app-connection/cloudflare/cloudflare-connection-schema";
 
 // can't use discriminated due to multiple schemas for certain apps
 const SanitizedAppConnectionSchema = z.union([
@@ -114,6 +115,7 @@ const SanitizedAppConnectionSchema = z.union([
   ...SanitizedHerokuConnectionSchema.options,
   ...SanitizedRenderConnectionSchema.options,
   ...SanitizedFlyioConnectionSchema.options,
+  ...SanitizedGitLabConnectionSchema.options,
   ...SanitizedCloudflareConnectionSchema.options
 ]);
 
@@ -145,6 +147,7 @@ const AppConnectionOptionsSchema = z.discriminatedUnion("app", [
   HerokuConnectionListItemSchema,
   RenderConnectionListItemSchema,
   FlyioConnectionListItemSchema,
+  GitLabConnectionListItemSchema,
   CloudflareConnectionListItemSchema
 ]);
 

backend/src/server/routes/v1/app-connection-routers/gitlab-connection-router.ts

@@ -0,0 +1,90 @@
+import z from "zod";
+
+import { readLimit } from "@app/server/config/rateLimiter";
+import { verifyAuth } from "@app/server/plugins/auth/verify-auth";
+import { AppConnection } from "@app/services/app-connection/app-connection-enums";
+import {
+  CreateGitLabConnectionSchema,
+  SanitizedGitLabConnectionSchema,
+  TGitLabGroup,
+  TGitLabProject,
+  UpdateGitLabConnectionSchema
+} from "@app/services/app-connection/gitlab";
+import { AuthMode } from "@app/services/auth/auth-type";
+
+import { registerAppConnectionEndpoints } from "./app-connection-endpoints";
+
+export const registerGitLabConnectionRouter = async (server: FastifyZodProvider) => {
+  registerAppConnectionEndpoints({
+    app: AppConnection.GitLab,
+    server,
+    sanitizedResponseSchema: SanitizedGitLabConnectionSchema,
+    createSchema: CreateGitLabConnectionSchema,
+    updateSchema: UpdateGitLabConnectionSchema
+  });
+
+  // The below endpoints are not exposed and for Infisical App use
+  server.route({
+    method: "GET",
+    url: `/:connectionId/projects`,
+    config: {
+      rateLimit: readLimit
+    },
+    schema: {
+      params: z.object({
+        connectionId: z.string().uuid()
+      }),
+      response: {
+        200: z
+          .object({
+            id: z.string(),
+            name: z.string()
+          })
+          .array()
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT]),
+    handler: async (req) => {
+      const { connectionId } = req.params;
+
+      const projects: TGitLabProject[] = await server.services.appConnection.gitlab.listProjects(
+        connectionId,
+        req.permission
+      );
+
+      return projects;
+    }
+  });
+
+  server.route({
+    method: "GET",
+    url: `/:connectionId/groups`,
+    config: {
+      rateLimit: readLimit
+    },
+    schema: {
+      params: z.object({
+        connectionId: z.string().uuid()
+      }),
+      response: {
+        200: z
+          .object({
+            id: z.string(),
+            name: z.string()
+          })
+          .array()
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT]),
+    handler: async (req) => {
+      const { connectionId } = req.params;
+
+      const groups: TGitLabGroup[] = await server.services.appConnection.gitlab.listGroups(
+        connectionId,
+        req.permission
+      );
+
+      return groups;
+    }
+  });
+};

backend/src/server/routes/v1/app-connection-routers/index.ts

@@ -10,11 +10,13 @@ import { registerAzureClientSecretsConnectionRouter } from "./azure-client-secre
 import { registerAzureDevOpsConnectionRouter } from "./azure-devops-connection-router";
 import { registerAzureKeyVaultConnectionRouter } from "./azure-key-vault-connection-router";
 import { registerCamundaConnectionRouter } from "./camunda-connection-router";
+import { registerCloudflareConnectionRouter } from "./cloudflare-connection-router";
 import { registerDatabricksConnectionRouter } from "./databricks-connection-router";
 import { registerFlyioConnectionRouter } from "./flyio-connection-router";
 import { registerGcpConnectionRouter } from "./gcp-connection-router";
 import { registerGitHubConnectionRouter } from "./github-connection-router";
 import { registerGitHubRadarConnectionRouter } from "./github-radar-connection-router";
+import { registerGitLabConnectionRouter } from "./gitlab-connection-router";
 import { registerHCVaultConnectionRouter } from "./hc-vault-connection-router";
 import { registerHerokuConnectionRouter } from "./heroku-connection-router";
 import { registerHumanitecConnectionRouter } from "./humanitec-connection-router";
@@ -27,7 +29,6 @@ import { registerTeamCityConnectionRouter } from "./teamcity-connection-router";
 import { registerTerraformCloudConnectionRouter } from "./terraform-cloud-router";
 import { registerVercelConnectionRouter } from "./vercel-connection-router";
 import { registerWindmillConnectionRouter } from "./windmill-connection-router";
-import { registerCloudflareConnectionRouter } from "./cloudflare-connection-router";
 
 export * from "./app-connection-router";
 
@@ -60,5 +61,6 @@ export const APP_CONNECTION_REGISTER_ROUTER_MAP: Record<AppConnection, (server:
     [AppConnection.Heroku]: registerHerokuConnectionRouter,
     [AppConnection.Render]: registerRenderConnectionRouter,
     [AppConnection.Flyio]: registerFlyioConnectionRouter,
+    [AppConnection.GitLab]: registerGitLabConnectionRouter,
     [AppConnection.Cloudflare]: registerCloudflareConnectionRouter
   };

backend/src/server/routes/v1/secret-sync-routers/gitlab-sync-router.ts

@@ -0,0 +1,13 @@
+import { CreateGitLabSyncSchema, GitLabSyncSchema, UpdateGitLabSyncSchema } from "@app/services/secret-sync/gitlab";
+import { SecretSync } from "@app/services/secret-sync/secret-sync-enums";
+
+import { registerSyncSecretsEndpoints } from "./secret-sync-endpoints";
+
+export const registerGitLabSyncRouter = async (server: FastifyZodProvider) =>
+  registerSyncSecretsEndpoints({
+    destination: SecretSync.GitLab,
+    server,
+    responseSchema: GitLabSyncSchema,
+    createSchema: CreateGitLabSyncSchema,
+    updateSchema: UpdateGitLabSyncSchema
+  });

backend/src/server/routes/v1/secret-sync-routers/index.ts

@@ -13,6 +13,7 @@ import { registerDatabricksSyncRouter } from "./databricks-sync-router";
 import { registerFlyioSyncRouter } from "./flyio-sync-router";
 import { registerGcpSyncRouter } from "./gcp-sync-router";
 import { registerGitHubSyncRouter } from "./github-sync-router";
+import { registerGitLabSyncRouter } from "./gitlab-sync-router";
 import { registerHCVaultSyncRouter } from "./hc-vault-sync-router";
 import { registerHerokuSyncRouter } from "./heroku-sync-router";
 import { registerHumanitecSyncRouter } from "./humanitec-sync-router";
@@ -45,5 +46,6 @@ export const SECRET_SYNC_REGISTER_ROUTER_MAP: Record<SecretSync, (server: Fastif
   [SecretSync.Heroku]: registerHerokuSyncRouter,
   [SecretSync.Render]: registerRenderSyncRouter,
   [SecretSync.Flyio]: registerFlyioSyncRouter,
+  [SecretSync.GitLab]: registerGitLabSyncRouter,
   [SecretSync.CloudflarePages]: registerCloudflarePagesSyncRouter
 };

backend/src/server/routes/v1/secret-sync-routers/secret-sync-router.ts

@@ -22,10 +22,15 @@ import {
 import { AzureDevOpsSyncListItemSchema, AzureDevOpsSyncSchema } from "@app/services/secret-sync/azure-devops";
 import { AzureKeyVaultSyncListItemSchema, AzureKeyVaultSyncSchema } from "@app/services/secret-sync/azure-key-vault";
 import { CamundaSyncListItemSchema, CamundaSyncSchema } from "@app/services/secret-sync/camunda";
+import {
+  CloudflarePagesSyncListItemSchema,
+  CloudflarePagesSyncSchema
+} from "@app/services/secret-sync/cloudflare-pages/cloudflare-pages-schema";
 import { DatabricksSyncListItemSchema, DatabricksSyncSchema } from "@app/services/secret-sync/databricks";
 import { FlyioSyncListItemSchema, FlyioSyncSchema } from "@app/services/secret-sync/flyio";
 import { GcpSyncListItemSchema, GcpSyncSchema } from "@app/services/secret-sync/gcp";
 import { GitHubSyncListItemSchema, GitHubSyncSchema } from "@app/services/secret-sync/github";
+import { GitLabSyncListItemSchema, GitLabSyncSchema } from "@app/services/secret-sync/gitlab";
 import { HCVaultSyncListItemSchema, HCVaultSyncSchema } from "@app/services/secret-sync/hc-vault";
 import { HerokuSyncListItemSchema, HerokuSyncSchema } from "@app/services/secret-sync/heroku";
 import { HumanitecSyncListItemSchema, HumanitecSyncSchema } from "@app/services/secret-sync/humanitec";
@@ -34,10 +39,6 @@ import { TeamCitySyncListItemSchema, TeamCitySyncSchema } from "@app/services/se
 import { TerraformCloudSyncListItemSchema, TerraformCloudSyncSchema } from "@app/services/secret-sync/terraform-cloud";
 import { VercelSyncListItemSchema, VercelSyncSchema } from "@app/services/secret-sync/vercel";
 import { WindmillSyncListItemSchema, WindmillSyncSchema } from "@app/services/secret-sync/windmill";
-import {
-  CloudflarePagesSyncListItemSchema,
-  CloudflarePagesSyncSchema
-} from "@app/services/secret-sync/cloudflare-pages/cloudflare-pages-schema";
 
 const SecretSyncSchema = z.discriminatedUnion("destination", [
   AwsParameterStoreSyncSchema,
@@ -60,6 +61,7 @@ const SecretSyncSchema = z.discriminatedUnion("destination", [
   HerokuSyncSchema,
   RenderSyncSchema,
   FlyioSyncSchema,
+  GitLabSyncSchema,
   CloudflarePagesSyncSchema
 ]);
 
@@ -84,6 +86,7 @@ const SecretSyncOptionsSchema = z.discriminatedUnion("destination", [
   HerokuSyncListItemSchema,
   RenderSyncListItemSchema,
   FlyioSyncListItemSchema,
+  GitLabSyncListItemSchema,
   CloudflarePagesSyncListItemSchema
 ]);
 

backend/src/services/app-connection/app-connection-enums.ts

@@ -26,6 +26,7 @@ export enum AppConnection {
   Heroku = "heroku",
   Render = "render",
   Flyio = "flyio",
+  GitLab = "gitlab",
   Cloudflare = "cloudflare"
 }
 

backend/src/services/app-connection/app-connection-fns.ts

@@ -51,6 +51,11 @@ import {
   validateAzureKeyVaultConnectionCredentials
 } from "./azure-key-vault";
 import { CamundaConnectionMethod, getCamundaConnectionListItem, validateCamundaConnectionCredentials } from "./camunda";
+import { CloudflareConnectionMethod } from "./cloudflare/cloudflare-connection-enum";
+import {
+  getCloudflareConnectionListItem,
+  validateCloudflareConnectionCredentials
+} from "./cloudflare/cloudflare-connection-fns";
 import {
   DatabricksConnectionMethod,
   getDatabricksConnectionListItem,
@@ -64,6 +69,7 @@ import {
   GitHubRadarConnectionMethod,
   validateGitHubRadarConnectionCredentials
 } from "./github-radar";
+import { getGitLabConnectionListItem, GitLabConnectionMethod, validateGitLabConnectionCredentials } from "./gitlab";
 import {
   getHCVaultConnectionListItem,
   HCVaultConnectionMethod,
@@ -99,11 +105,6 @@ import {
   validateWindmillConnectionCredentials,
   WindmillConnectionMethod
 } from "./windmill";
-import {
-  getCloudflareConnectionListItem,
-  validateCloudflareConnectionCredentials
-} from "./cloudflare/cloudflare-connection-fns";
-import { CloudflareConnectionMethod } from "./cloudflare/cloudflare-connection-enum";
 
 export const listAppConnectionOptions = () => {
   return [
@@ -134,6 +135,7 @@ export const listAppConnectionOptions = () => {
     getHerokuConnectionListItem(),
     getRenderConnectionListItem(),
     getFlyioConnectionListItem(),
+    getGitLabConnectionListItem(),
     getCloudflareConnectionListItem()
   ].sort((a, b) => a.name.localeCompare(b.name));
 };
@@ -213,6 +215,7 @@ export const validateAppConnectionCredentials = async (
     [AppConnection.Heroku]: validateHerokuConnectionCredentials as TAppConnectionCredentialsValidator,
     [AppConnection.Render]: validateRenderConnectionCredentials as TAppConnectionCredentialsValidator,
     [AppConnection.Flyio]: validateFlyioConnectionCredentials as TAppConnectionCredentialsValidator,
+    [AppConnection.GitLab]: validateGitLabConnectionCredentials as TAppConnectionCredentialsValidator,
     [AppConnection.Cloudflare]: validateCloudflareConnectionCredentials as TAppConnectionCredentialsValidator
   };
 
@@ -230,6 +233,7 @@ export const getAppConnectionMethodName = (method: TAppConnection["method"]) =>
     case GitHubConnectionMethod.OAuth:
     case AzureDevOpsConnectionMethod.OAuth:
     case HerokuConnectionMethod.OAuth:
+    case GitLabConnectionMethod.OAuth:
       return "OAuth";
     case HerokuConnectionMethod.AuthToken:
       return "Auth Token";
@@ -327,6 +331,7 @@ export const TRANSITION_CONNECTION_CREDENTIALS_TO_PLATFORM: Record<
   [AppConnection.Heroku]: platformManagedCredentialsNotSupported,
   [AppConnection.Render]: platformManagedCredentialsNotSupported,
   [AppConnection.Flyio]: platformManagedCredentialsNotSupported,
+  [AppConnection.GitLab]: platformManagedCredentialsNotSupported,
   [AppConnection.Cloudflare]: platformManagedCredentialsNotSupported
 };
 

backend/src/services/app-connection/app-connection-maps.ts

@@ -28,6 +28,7 @@ export const APP_CONNECTION_NAME_MAP: Record<AppConnection, string> = {
   [AppConnection.Heroku]: "Heroku",
   [AppConnection.Render]: "Render",
   [AppConnection.Flyio]: "Fly.io",
+  [AppConnection.GitLab]: "GitLab",
   [AppConnection.Cloudflare]: "Cloudflare"
 };
 
@@ -59,5 +60,6 @@ export const APP_CONNECTION_PLAN_MAP: Record<AppConnection, AppConnectionPlanTyp
   [AppConnection.Heroku]: AppConnectionPlanType.Regular,
   [AppConnection.Render]: AppConnectionPlanType.Regular,
   [AppConnection.Flyio]: AppConnectionPlanType.Regular,
+  [AppConnection.GitLab]: AppConnectionPlanType.Regular,
   [AppConnection.Cloudflare]: AppConnectionPlanType.Regular
 };

backend/src/services/app-connection/app-connection-service.ts

@@ -58,6 +58,8 @@ import { gcpConnectionService } from "./gcp/gcp-connection-service";
 import { ValidateGitHubConnectionCredentialsSchema } from "./github";
 import { githubConnectionService } from "./github/github-connection-service";
 import { ValidateGitHubRadarConnectionCredentialsSchema } from "./github-radar";
+import { ValidateGitLabConnectionCredentialsSchema } from "./gitlab";
+import { gitlabConnectionService } from "./gitlab/gitlab-connection-service";
 import { ValidateHCVaultConnectionCredentialsSchema } from "./hc-vault";
 import { hcVaultConnectionService } from "./hc-vault/hc-vault-connection-service";
 import { ValidateHerokuConnectionCredentialsSchema } from "./heroku";
@@ -116,6 +118,7 @@ const VALIDATE_APP_CONNECTION_CREDENTIALS_MAP: Record<AppConnection, TValidateAp
   [AppConnection.Heroku]: ValidateHerokuConnectionCredentialsSchema,
   [AppConnection.Render]: ValidateRenderConnectionCredentialsSchema,
   [AppConnection.Flyio]: ValidateFlyioConnectionCredentialsSchema,
+  [AppConnection.GitLab]: ValidateGitLabConnectionCredentialsSchema,
   [AppConnection.Cloudflare]: ValidateCloudflareConnectionCredentialsSchema
 };
 
@@ -524,7 +527,8 @@ export const appConnectionServiceFactory = ({
     onepass: onePassConnectionService(connectAppConnectionById),
     heroku: herokuConnectionService(connectAppConnectionById, appConnectionDAL, kmsService),
     render: renderConnectionService(connectAppConnectionById),
-    cloudflare: cloudflareConnectionService(connectAppConnectionById),
+    flyio: flyioConnectionService(connectAppConnectionById),
-    flyio: flyioConnectionService(connectAppConnectionById)
+    gitlab: gitlabConnectionService(connectAppConnectionById, appConnectionDAL, kmsService),
+    cloudflare: cloudflareConnectionService(connectAppConnectionById)
   };
 };

backend/src/services/app-connection/app-connection-types.ts

@@ -62,6 +62,12 @@ import {
   TCamundaConnectionInput,
   TValidateCamundaConnectionCredentialsSchema
 } from "./camunda";
+import {
+  TCloudflareConnection,
+  TCloudflareConnectionConfig,
+  TCloudflareConnectionInput,
+  TValidateCloudflareConnectionCredentialsSchema
+} from "./cloudflare/cloudflare-connection-types";
 import {
   TDatabricksConnection,
   TDatabricksConnectionConfig,
@@ -92,6 +98,12 @@ import {
   TGitHubRadarConnectionInput,
   TValidateGitHubRadarConnectionCredentialsSchema
 } from "./github-radar";
+import {
+  TGitLabConnection,
+  TGitLabConnectionConfig,
+  TGitLabConnectionInput,
+  TValidateGitLabConnectionCredentialsSchema
+} from "./gitlab";
 import {
   THCVaultConnection,
   THCVaultConnectionConfig,
@@ -153,12 +165,6 @@ import {
   TWindmillConnectionConfig,
   TWindmillConnectionInput
 } from "./windmill";
-import {
-  TCloudflareConnection,
-  TCloudflareConnectionConfig,
-  TCloudflareConnectionInput,
-  TValidateCloudflareConnectionCredentialsSchema
-} from "./cloudflare/cloudflare-connection-types";
 
 export type TAppConnection = { id: string } & (
   | TAwsConnection
@@ -188,6 +194,7 @@ export type TAppConnection = { id: string } & (
   | THerokuConnection
   | TRenderConnection
   | TFlyioConnection
+  | TGitLabConnection
   | TCloudflareConnection
 );
 
@@ -223,6 +230,7 @@ export type TAppConnectionInput = { id: string } & (
   | THerokuConnectionInput
   | TRenderConnectionInput
   | TFlyioConnectionInput
+  | TGitLabConnectionInput
   | TCloudflareConnectionInput
 );
 
@@ -266,6 +274,7 @@ export type TAppConnectionConfig =
   | THerokuConnectionConfig
   | TRenderConnectionConfig
   | TFlyioConnectionConfig
+  | TGitLabConnectionConfig
   | TCloudflareConnectionConfig;
 
 export type TValidateAppConnectionCredentialsSchema =
@@ -296,6 +305,7 @@ export type TValidateAppConnectionCredentialsSchema =
   | TValidateHerokuConnectionCredentialsSchema
   | TValidateRenderConnectionCredentialsSchema
   | TValidateFlyioConnectionCredentialsSchema
+  | TValidateGitLabConnectionCredentialsSchema
   | TValidateCloudflareConnectionCredentialsSchema;
 
 export type TListAwsConnectionKmsKeys = {

backend/src/services/app-connection/gitlab/gitlab-connection-enums.ts

@@ -0,0 +1,9 @@
+export enum GitLabConnectionMethod {
+  OAuth = "oauth",
+  AccessToken = "access-token"
+}
+
+export enum GitLabAccessTokenType {
+  Project = "project",
+  Personal = "personal"
+}

backend/src/services/app-connection/gitlab/gitlab-connection-fns.ts

@@ -0,0 +1,351 @@
+/* eslint-disable no-await-in-loop */
+import { GitbeakerRequestError, Gitlab } from "@gitbeaker/rest";
+import { AxiosError } from "axios";
+
+import { getConfig } from "@app/lib/config/env";
+import { request } from "@app/lib/config/request";
+import { BadRequestError, InternalServerError } from "@app/lib/errors";
+import { removeTrailingSlash } from "@app/lib/fn";
+import { logger } from "@app/lib/logger";
+import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
+import { AppConnection } from "@app/services/app-connection/app-connection-enums";
+import { encryptAppConnectionCredentials } from "@app/services/app-connection/app-connection-fns";
+import { IntegrationUrls } from "@app/services/integration-auth/integration-list";
+import { TKmsServiceFactory } from "@app/services/kms/kms-service";
+
+import { TAppConnectionDALFactory } from "../app-connection-dal";
+import { GitLabAccessTokenType, GitLabConnectionMethod } from "./gitlab-connection-enums";
+import { TGitLabConnection, TGitLabConnectionConfig, TGitLabGroup, TGitLabProject } from "./gitlab-connection-types";
+
+interface GitLabOAuthTokenResponse {
+  access_token: string;
+  token_type: string;
+  expires_in: number;
+  refresh_token: string;
+  created_at: number;
+  scope?: string;
+}
+
+export const getGitLabConnectionListItem = () => {
+  const { INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID } = getConfig();
+
+  return {
+    name: "GitLab" as const,
+    app: AppConnection.GitLab as const,
+    methods: Object.values(GitLabConnectionMethod) as [
+      GitLabConnectionMethod.AccessToken,
+      GitLabConnectionMethod.OAuth
+    ],
+    oauthClientId: INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID
+  };
+};
+
+export const getGitLabInstanceUrl = async (instanceUrl?: string) => {
+  const gitLabInstanceUrl = instanceUrl ? removeTrailingSlash(instanceUrl) : IntegrationUrls.GITLAB_URL;
+
+  await blockLocalAndPrivateIpAddresses(gitLabInstanceUrl);
+
+  return gitLabInstanceUrl;
+};
+
+export const getGitLabClient = async (accessToken: string, instanceUrl?: string, isOAuth = false) => {
+  const host = await getGitLabInstanceUrl(instanceUrl);
+
+  const client = new Gitlab<true>({
+    host,
+    ...(isOAuth ? { oauthToken: accessToken } : { token: accessToken }),
+    camelize: true
+  });
+
+  return client;
+};
+
+export const refreshGitLabToken = async (
+  refreshToken: string,
+  appId: string,
+  orgId: string,
+  appConnectionDAL: Pick<TAppConnectionDALFactory, "updateById">,
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">,
+  instanceUrl?: string
+): Promise<string> => {
+  const { INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID, INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET, SITE_URL } =
+    getConfig();
+  if (!INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET || !INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID || !SITE_URL) {
+    throw new InternalServerError({
+      message: `GitLab environment variables have not been configured`
+    });
+  }
+
+  const payload = new URLSearchParams({
+    grant_type: "refresh_token",
+    refresh_token: refreshToken,
+    client_id: INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID,
+    client_secret: INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET,
+    redirect_uri: `${SITE_URL}/organization/app-connections/gitlab/oauth/callback`
+  });
+
+  try {
+    const url = await getGitLabInstanceUrl(instanceUrl);
+    const { data } = await request.post<GitLabOAuthTokenResponse>(`${url}/oauth/token`, payload.toString(), {
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+        Accept: "application/json"
+      }
+    });
+
+    const expiresAt = new Date(Date.now() + data.expires_in * 1000 - 600000);
+
+    const encryptedCredentials = await encryptAppConnectionCredentials({
+      credentials: {
+        instanceUrl,
+        tokenType: data.token_type,
+        createdAt: new Date(data.created_at * 1000).toISOString(),
+        refreshToken: data.refresh_token,
+        accessToken: data.access_token,
+        expiresAt
+      },
+      orgId,
+      kmsService
+    });
+
+    await appConnectionDAL.updateById(appId, { encryptedCredentials });
+    return data.access_token;
+  } catch (error: unknown) {
+    if (error instanceof AxiosError) {
+      throw new BadRequestError({
+        message: `Failed to refresh GitLab token: ${error.message}`
+      });
+    }
+    throw new BadRequestError({
+      message: "Unable to refresh GitLab token"
+    });
+  }
+};
+
+export const exchangeGitLabOAuthCode = async (
+  code: string,
+  instanceUrl?: string
+): Promise<GitLabOAuthTokenResponse> => {
+  const { INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID, INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET, SITE_URL } =
+    getConfig();
+  if (!INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET || !INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID || !SITE_URL) {
+    throw new InternalServerError({
+      message: `GitLab environment variables have not been configured`
+    });
+  }
+
+  try {
+    const payload = new URLSearchParams({
+      grant_type: "authorization_code",
+      code,
+      client_id: INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID,
+      client_secret: INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET,
+      redirect_uri: `${SITE_URL}/organization/app-connections/gitlab/oauth/callback`
+    });
+    const url = await getGitLabInstanceUrl(instanceUrl);
+
+    const response = await request.post<GitLabOAuthTokenResponse>(`${url}/oauth/token`, payload.toString(), {
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+        Accept: "application/json"
+      }
+    });
+
+    if (!response.data) {
+      throw new InternalServerError({
+        message: "Failed to exchange OAuth code: Empty response"
+      });
+    }
+
+    return response.data;
+  } catch (error: unknown) {
+    if (error instanceof AxiosError) {
+      throw new BadRequestError({
+        message: `Failed to exchange OAuth code: ${error.message}`
+      });
+    }
+    throw new BadRequestError({
+      message: "Unable to exchange OAuth code"
+    });
+  }
+};
+
+export const validateGitLabConnectionCredentials = async (config: TGitLabConnectionConfig) => {
+  const { credentials: inputCredentials, method } = config;
+
+  let accessToken: string;
+  let oauthData: GitLabOAuthTokenResponse | null = null;
+
+  if (method === GitLabConnectionMethod.OAuth && "code" in inputCredentials) {
+    oauthData = await exchangeGitLabOAuthCode(inputCredentials.code, inputCredentials.instanceUrl);
+    accessToken = oauthData.access_token;
+  } else if (method === GitLabConnectionMethod.AccessToken && "accessToken" in inputCredentials) {
+    accessToken = inputCredentials.accessToken;
+  } else {
+    throw new BadRequestError({
+      message: "Invalid credentials for the selected connection method"
+    });
+  }
+
+  try {
+    const client = await getGitLabClient(
+      accessToken,
+      inputCredentials.instanceUrl,
+      method === GitLabConnectionMethod.OAuth
+    );
+    await client.Users.showCurrentUser();
+  } catch (error: unknown) {
+    logger.error(error, "Error validating GitLab connection credentials");
+
+    if (error instanceof GitbeakerRequestError) {
+      throw new BadRequestError({
+        message: `Failed to validate credentials: ${error.message ?? "Unknown error"}${error.cause?.description && error.message !== "Unauthorized" ? `. Cause: ${error.cause.description}` : ""}`
+      });
+    }
+
+    throw new BadRequestError({
+      message: `Failed to validate credentials: ${(error as Error)?.message || "verify credentials"}`
+    });
+  }
+
+  if (method === GitLabConnectionMethod.OAuth && oauthData) {
+    return {
+      accessToken,
+      instanceUrl: inputCredentials.instanceUrl,
+      refreshToken: oauthData.refresh_token,
+      expiresAt: new Date(Date.now() + oauthData.expires_in * 1000 - 60000),
+      tokenType: oauthData.token_type,
+      createdAt: new Date(oauthData.created_at * 1000)
+    };
+  }
+
+  return inputCredentials;
+};
+
+export const listGitLabProjects = async ({
+  appConnection,
+  appConnectionDAL,
+  kmsService
+}: {
+  appConnection: TGitLabConnection;
+  appConnectionDAL: Pick<TAppConnectionDALFactory, "updateById">;
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">;
+}): Promise<TGitLabProject[]> => {
+  let { accessToken } = appConnection.credentials;
+
+  if (
+    appConnection.method === GitLabConnectionMethod.OAuth &&
+    appConnection.credentials.refreshToken &&
+    new Date(appConnection.credentials.expiresAt) < new Date()
+  ) {
+    accessToken = await refreshGitLabToken(
+      appConnection.credentials.refreshToken,
+      appConnection.id,
+      appConnection.orgId,
+      appConnectionDAL,
+      kmsService,
+      appConnection.credentials.instanceUrl
+    );
+  }
+
+  try {
+    const client = await getGitLabClient(
+      accessToken,
+      appConnection.credentials.instanceUrl,
+      appConnection.method === GitLabConnectionMethod.OAuth
+    );
+    const projects = await client.Projects.all({
+      archived: false,
+      includePendingDelete: false,
+      membership: true,
+      includeHidden: false,
+      imported: false
+    });
+
+    return projects.map((project) => ({
+      name: project.pathWithNamespace,
+      id: project.id.toString()
+    }));
+  } catch (error: unknown) {
+    if (error instanceof GitbeakerRequestError) {
+      throw new BadRequestError({
+        message: `Failed to fetch GitLab projects: ${error.message ?? "Unknown error"}${error.cause?.description && error.message !== "Unauthorized" ? `. Cause: ${error.cause.description}` : ""}`
+      });
+    }
+
+    if (error instanceof InternalServerError) {
+      throw error;
+    }
+
+    throw new InternalServerError({
+      message: "Unable to fetch GitLab projects"
+    });
+  }
+};
+
+export const listGitLabGroups = async ({
+  appConnection,
+  appConnectionDAL,
+  kmsService
+}: {
+  appConnection: TGitLabConnection;
+  appConnectionDAL: Pick<TAppConnectionDALFactory, "updateById">;
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">;
+}): Promise<TGitLabGroup[]> => {
+  let { accessToken } = appConnection.credentials;
+
+  if (
+    appConnection.method === GitLabConnectionMethod.AccessToken &&
+    appConnection.credentials.accessTokenType === GitLabAccessTokenType.Project
+  ) {
+    return [];
+  }
+
+  if (
+    appConnection.method === GitLabConnectionMethod.OAuth &&
+    appConnection.credentials.refreshToken &&
+    new Date(appConnection.credentials.expiresAt) < new Date()
+  ) {
+    accessToken = await refreshGitLabToken(
+      appConnection.credentials.refreshToken,
+      appConnection.id,
+      appConnection.orgId,
+      appConnectionDAL,
+      kmsService,
+      appConnection.credentials.instanceUrl
+    );
+  }
+
+  try {
+    const client = await getGitLabClient(
+      accessToken,
+      appConnection.credentials.instanceUrl,
+      appConnection.method === GitLabConnectionMethod.OAuth
+    );
+
+    const groups = await client.Groups.all({
+      orderBy: "name",
+      sort: "asc",
+      minAccessLevel: 50
+    });
+
+    return groups.map((group) => ({
+      id: group.id.toString(),
+      name: group.name
+    }));
+  } catch (error: unknown) {
+    if (error instanceof GitbeakerRequestError) {
+      throw new BadRequestError({
+        message: `Failed to fetch GitLab groups: ${error.message ?? "Unknown error"}${error.cause?.description && error.message !== "Unauthorized" ? `. Cause: ${error.cause.description}` : ""}`
+      });
+    }
+
+    if (error instanceof InternalServerError) {
+      throw error;
+    }
+
+    throw new InternalServerError({
+      message: "Unable to fetch GitLab groups"
+    });
+  }
+};

backend/src/services/app-connection/gitlab/gitlab-connection-schemas.ts

@@ -0,0 +1,138 @@
+import z from "zod";
+
+import { AppConnections } from "@app/lib/api-docs";
+import { AppConnection } from "@app/services/app-connection/app-connection-enums";
+import {
+  BaseAppConnectionSchema,
+  GenericCreateAppConnectionFieldsSchema,
+  GenericUpdateAppConnectionFieldsSchema
+} from "@app/services/app-connection/app-connection-schemas";
+
+import { GitLabAccessTokenType, GitLabConnectionMethod } from "./gitlab-connection-enums";
+
+export const GitLabConnectionAccessTokenCredentialsSchema = z.object({
+  accessToken: z
+    .string()
+    .trim()
+    .min(1, "Access Token required")
+    .describe(AppConnections.CREDENTIALS.GITLAB.accessToken),
+  instanceUrl: z
+    .string()
+    .trim()
+    .url("Invalid Instance URL")
+    .optional()
+    .describe(AppConnections.CREDENTIALS.GITLAB.instanceUrl),
+  accessTokenType: z.nativeEnum(GitLabAccessTokenType).describe(AppConnections.CREDENTIALS.GITLAB.accessTokenType)
+});
+
+export const GitLabConnectionOAuthCredentialsSchema = z.object({
+  code: z.string().trim().min(1, "OAuth code required").describe(AppConnections.CREDENTIALS.GITLAB.code),
+  instanceUrl: z
+    .string()
+    .trim()
+    .url("Invalid Instance URL")
+    .optional()
+    .describe(AppConnections.CREDENTIALS.GITLAB.instanceUrl)
+});
+
+export const GitLabConnectionOAuthOutputCredentialsSchema = z.object({
+  accessToken: z.string().trim(),
+  refreshToken: z.string().trim(),
+  expiresAt: z.date(),
+  tokenType: z.string().optional().default("bearer"),
+  createdAt: z.string().optional(),
+  instanceUrl: z
+    .string()
+    .trim()
+    .url("Invalid Instance URL")
+    .optional()
+    .describe(AppConnections.CREDENTIALS.GITLAB.instanceUrl)
+});
+
+export const GitLabConnectionRefreshTokenCredentialsSchema = z.object({
+  refreshToken: z.string().trim().min(1, "Refresh token required"),
+  instanceUrl: z
+    .string()
+    .trim()
+    .url("Invalid Instance URL")
+    .optional()
+    .describe(AppConnections.CREDENTIALS.GITLAB.instanceUrl)
+});
+
+const BaseGitLabConnectionSchema = BaseAppConnectionSchema.extend({
+  app: z.literal(AppConnection.GitLab)
+});
+
+export const GitLabConnectionSchema = z.intersection(
+  BaseGitLabConnectionSchema,
+  z.discriminatedUnion("method", [
+    z.object({
+      method: z.literal(GitLabConnectionMethod.AccessToken),
+      credentials: GitLabConnectionAccessTokenCredentialsSchema
+    }),
+    z.object({
+      method: z.literal(GitLabConnectionMethod.OAuth),
+      credentials: GitLabConnectionOAuthOutputCredentialsSchema
+    })
+  ])
+);
+
+export const SanitizedGitLabConnectionSchema = z.discriminatedUnion("method", [
+  BaseGitLabConnectionSchema.extend({
+    method: z.literal(GitLabConnectionMethod.AccessToken),
+    credentials: GitLabConnectionAccessTokenCredentialsSchema.pick({
+      instanceUrl: true,
+      accessTokenType: true
+    })
+  }),
+  BaseGitLabConnectionSchema.extend({
+    method: z.literal(GitLabConnectionMethod.OAuth),
+    credentials: GitLabConnectionOAuthOutputCredentialsSchema.pick({
+      instanceUrl: true
+    })
+  })
+]);
+
+export const ValidateGitLabConnectionCredentialsSchema = z.discriminatedUnion("method", [
+  z.object({
+    method: z.literal(GitLabConnectionMethod.AccessToken).describe(AppConnections.CREATE(AppConnection.GitLab).method),
+    credentials: GitLabConnectionAccessTokenCredentialsSchema.describe(
+      AppConnections.CREATE(AppConnection.GitLab).credentials
+    )
+  }),
+  z.object({
+    method: z.literal(GitLabConnectionMethod.OAuth).describe(AppConnections.CREATE(AppConnection.GitLab).method),
+    credentials: z
+      .union([
+        GitLabConnectionOAuthCredentialsSchema,
+        GitLabConnectionRefreshTokenCredentialsSchema,
+        GitLabConnectionOAuthOutputCredentialsSchema
+      ])
+      .describe(AppConnections.CREATE(AppConnection.GitLab).credentials)
+  })
+]);
+
+export const CreateGitLabConnectionSchema = ValidateGitLabConnectionCredentialsSchema.and(
+  GenericCreateAppConnectionFieldsSchema(AppConnection.GitLab)
+);
+
+export const UpdateGitLabConnectionSchema = z
+  .object({
+    credentials: z
+      .union([
+        GitLabConnectionAccessTokenCredentialsSchema,
+        GitLabConnectionOAuthOutputCredentialsSchema,
+        GitLabConnectionRefreshTokenCredentialsSchema,
+        GitLabConnectionOAuthCredentialsSchema
+      ])
+      .optional()
+      .describe(AppConnections.UPDATE(AppConnection.GitLab).credentials)
+  })
+  .and(GenericUpdateAppConnectionFieldsSchema(AppConnection.GitLab));
+
+export const GitLabConnectionListItemSchema = z.object({
+  name: z.literal("GitLab"),
+  app: z.literal(AppConnection.GitLab),
+  methods: z.nativeEnum(GitLabConnectionMethod).array(),
+  oauthClientId: z.string().optional()
+});

backend/src/services/app-connection/gitlab/gitlab-connection-service.ts

@@ -0,0 +1,47 @@
+import { logger } from "@app/lib/logger";
+import { OrgServiceActor } from "@app/lib/types";
+import { TKmsServiceFactory } from "@app/services/kms/kms-service";
+
+import { TAppConnectionDALFactory } from "../app-connection-dal";
+import { AppConnection } from "../app-connection-enums";
+import { listGitLabGroups, listGitLabProjects } from "./gitlab-connection-fns";
+import { TGitLabConnection } from "./gitlab-connection-types";
+
+type TGetAppConnectionFunc = (
+  app: AppConnection,
+  connectionId: string,
+  actor: OrgServiceActor
+) => Promise<TGitLabConnection>;
+
+export const gitlabConnectionService = (
+  getAppConnection: TGetAppConnectionFunc,
+  appConnectionDAL: Pick<TAppConnectionDALFactory, "updateById">,
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">
+) => {
+  const listProjects = async (connectionId: string, actor: OrgServiceActor) => {
+    try {
+      const appConnection = await getAppConnection(AppConnection.GitLab, connectionId, actor);
+      const projects = await listGitLabProjects({ appConnection, appConnectionDAL, kmsService });
+      return projects;
+    } catch (error) {
+      logger.error(error, `Failed to establish connection with GitLab for app ${connectionId}`);
+      return [];
+    }
+  };
+
+  const listGroups = async (connectionId: string, actor: OrgServiceActor) => {
+    try {
+      const appConnection = await getAppConnection(AppConnection.GitLab, connectionId, actor);
+      const groups = await listGitLabGroups({ appConnection, appConnectionDAL, kmsService });
+      return groups;
+    } catch (error) {
+      logger.error(error, `Failed to establish connection with GitLab for app ${connectionId}`);
+      return [];
+    }
+  };
+
+  return {
+    listProjects,
+    listGroups
+  };
+};

backend/src/services/app-connection/gitlab/gitlab-connection-types.ts

@@ -0,0 +1,56 @@
+import z from "zod";
+
+import { DiscriminativePick } from "@app/lib/types";
+
+import { AppConnection } from "../app-connection-enums";
+import {
+  CreateGitLabConnectionSchema,
+  GitLabConnectionSchema,
+  ValidateGitLabConnectionCredentialsSchema
+} from "./gitlab-connection-schemas";
+
+export type TGitLabConnection = z.infer<typeof GitLabConnectionSchema>;
+
+export type TGitLabConnectionInput = z.infer<typeof CreateGitLabConnectionSchema> & {
+  app: AppConnection.GitLab;
+};
+
+export type TValidateGitLabConnectionCredentialsSchema = typeof ValidateGitLabConnectionCredentialsSchema;
+
+export type TGitLabConnectionConfig = DiscriminativePick<TGitLabConnectionInput, "method" | "app" | "credentials"> & {
+  orgId: string;
+};
+
+export type TGitLabProject = {
+  name: string;
+  id: string;
+};
+
+export type TGitLabAccessTokenCredentials = {
+  accessToken: string;
+  instanceUrl: string;
+};
+
+export type TGitLabOAuthCredentials = {
+  accessToken: string;
+  refreshToken: string;
+  expiresAt: Date;
+  tokenType?: string;
+  createdAt?: Date;
+  instanceUrl: string;
+};
+
+export type TGitLabOAuthCodeCredentials = {
+  code: string;
+  instanceUrl: string;
+};
+
+export type TGitLabRefreshTokenCredentials = {
+  refreshToken: string;
+  instanceUrl: string;
+};
+
+export interface TGitLabGroup {
+  id: string;
+  name: string;
+}

backend/src/services/app-connection/gitlab/index.ts

@@ -0,0 +1,4 @@
+export * from "./gitlab-connection-enums";
+export * from "./gitlab-connection-fns";
+export * from "./gitlab-connection-schemas";
+export * from "./gitlab-connection-types";

backend/src/services/secret-sync/gitlab/gitlab-sync-constants.ts

@@ -0,0 +1,10 @@
+import { AppConnection } from "@app/services/app-connection/app-connection-enums";
+import { SecretSync } from "@app/services/secret-sync/secret-sync-enums";
+import { TSecretSyncListItem } from "@app/services/secret-sync/secret-sync-types";
+
+export const GITLAB_SYNC_LIST_OPTION: TSecretSyncListItem = {
+  name: "GitLab",
+  destination: SecretSync.GitLab,
+  connection: AppConnection.GitLab,
+  canImportSecrets: false
+};

backend/src/services/secret-sync/gitlab/gitlab-sync-enums.ts

@@ -0,0 +1,4 @@
+export enum GitLabSyncScope {
+  Project = "project",
+  Group = "group"
+}

backend/src/services/secret-sync/gitlab/gitlab-sync-fns.ts

@@ -0,0 +1,452 @@
+/* eslint-disable no-await-in-loop */
+import { GitbeakerRequestError } from "@gitbeaker/rest";
+
+import { TAppConnectionDALFactory } from "@app/services/app-connection/app-connection-dal";
+import {
+  getGitLabClient,
+  GitLabConnectionMethod,
+  refreshGitLabToken,
+  TGitLabConnection
+} from "@app/services/app-connection/gitlab";
+import { TKmsServiceFactory } from "@app/services/kms/kms-service";
+import { TGitLabSyncWithCredentials, TGitLabVariable } from "@app/services/secret-sync/gitlab/gitlab-sync-types";
+import { SecretSyncError } from "@app/services/secret-sync/secret-sync-errors";
+import { matchesSchema } from "@app/services/secret-sync/secret-sync-fns";
+import { TSecretMap } from "@app/services/secret-sync/secret-sync-types";
+
+import { SECRET_SYNC_NAME_MAP } from "../secret-sync-maps";
+import { GitLabSyncScope } from "./gitlab-sync-enums";
+
+interface TGitLabVariablePayload {
+  key?: string;
+  value: string;
+  variable_type?: "env_var" | "file";
+  environment_scope?: string;
+  protected?: boolean;
+  masked?: boolean;
+  masked_and_hidden?: boolean;
+  description?: string;
+}
+
+interface TGitLabVariableCreate extends TGitLabVariablePayload {
+  key: string;
+}
+
+interface TGitLabVariableUpdate extends Omit<TGitLabVariablePayload, "key"> {}
+
+type TGitLabSyncFactoryDeps = {
+  appConnectionDAL: Pick<TAppConnectionDALFactory, "updateById">;
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">;
+};
+
+const getValidAccessToken = async (
+  connection: TGitLabConnection,
+  appConnectionDAL: Pick<TAppConnectionDALFactory, "updateById">,
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">
+): Promise<string> => {
+  if (
+    connection.method === GitLabConnectionMethod.OAuth &&
+    connection.credentials.refreshToken &&
+    new Date(connection.credentials.expiresAt) < new Date()
+  ) {
+    const accessToken = await refreshGitLabToken(
+      connection.credentials.refreshToken,
+      connection.id,
+      connection.orgId,
+      appConnectionDAL,
+      kmsService,
+      connection.credentials.instanceUrl
+    );
+    return accessToken;
+  }
+  return connection.credentials.accessToken;
+};
+
+const getGitLabVariables = async ({
+  accessToken,
+  connection,
+  scope,
+  resourceId,
+  targetEnvironment
+}: {
+  accessToken: string;
+  connection: TGitLabConnection;
+  scope: GitLabSyncScope;
+  resourceId: string;
+  targetEnvironment?: string;
+}): Promise<TGitLabVariable[]> => {
+  try {
+    const client = await getGitLabClient(
+      accessToken,
+      connection.credentials.instanceUrl,
+      connection.method === GitLabConnectionMethod.OAuth
+    );
+
+    let variables: TGitLabVariable[] = [];
+
+    if (scope === GitLabSyncScope.Project) {
+      variables = await client.ProjectVariables.all(resourceId);
+    } else {
+      variables = await client.GroupVariables.all(resourceId);
+    }
+
+    if (targetEnvironment) {
+      variables = variables.filter((v) => v.environmentScope === targetEnvironment);
+    }
+
+    return variables;
+  } catch (error) {
+    if (error instanceof GitbeakerRequestError) {
+      throw new SecretSyncError({
+        error: new Error(
+          `Failed to fetch variables: ${error.message ?? "Unknown error"}${error.cause?.description && error.message !== "Unauthorized" ? `. Cause: ${error.cause.description}` : ""}`
+        )
+      });
+    }
+    throw new SecretSyncError({
+      error
+    });
+  }
+};
+
+const createGitLabVariable = async ({
+  accessToken,
+  connection,
+  scope,
+  resourceId,
+  variable
+}: {
+  accessToken: string;
+  connection: TGitLabConnection;
+  scope: GitLabSyncScope;
+  resourceId: string;
+  variable: TGitLabVariableCreate;
+}): Promise<void> => {
+  try {
+    const client = await getGitLabClient(
+      accessToken,
+      connection.credentials.instanceUrl,
+      connection.method === GitLabConnectionMethod.OAuth
+    );
+
+    const payload = {
+      key: variable.key,
+      value: variable.value,
+      variableType: "env_var",
+      environmentScope: variable.environment_scope || "*",
+      protected: variable.protected || false,
+      masked: variable.masked || false,
+      masked_and_hidden: variable.masked_and_hidden || false,
+      raw: false
+    };
+
+    if (scope === GitLabSyncScope.Project) {
+      await client.ProjectVariables.create(resourceId, payload.key, payload.value, {
+        variableType: "env_var",
+        environmentScope: payload.environmentScope,
+        protected: payload.protected,
+        masked: payload.masked,
+        masked_and_hidden: payload.masked_and_hidden,
+        raw: false
+      });
+    } else {
+      await client.GroupVariables.create(resourceId, payload.key, payload.value, {
+        variableType: "env_var",
+        environmentScope: payload.environmentScope,
+        protected: payload.protected,
+        masked: payload.masked,
+        ...(payload.masked_and_hidden && { masked_and_hidden: payload.masked_and_hidden }),
+        raw: false
+      });
+    }
+  } catch (error) {
+    if (error instanceof GitbeakerRequestError) {
+      throw new SecretSyncError({
+        error: new Error(
+          `Failed to create variable: ${error.message ?? "Unknown error"}${error.cause?.description && error.message !== "Unauthorized" ? `. Cause: ${error.cause.description}` : ""}`
+        ),
+        secretKey: variable.key
+      });
+    }
+    throw new SecretSyncError({
+      error,
+      secretKey: variable.key
+    });
+  }
+};
+
+const updateGitLabVariable = async ({
+  accessToken,
+  connection,
+  scope,
+  resourceId,
+  key,
+  variable,
+  targetEnvironment
+}: {
+  accessToken: string;
+  connection: TGitLabConnection;
+  scope: GitLabSyncScope;
+  resourceId: string;
+  key: string;
+  variable: TGitLabVariableUpdate;
+  targetEnvironment?: string;
+}): Promise<void> => {
+  try {
+    const client = await getGitLabClient(
+      accessToken,
+      connection.credentials.instanceUrl,
+      connection.method === GitLabConnectionMethod.OAuth
+    );
+
+    const options = {
+      ...(variable.environment_scope && { environmentScope: variable.environment_scope }),
+      ...(variable.protected !== undefined && { protected: variable.protected }),
+      ...(variable.masked !== undefined && { masked: variable.masked })
+    };
+
+    if (targetEnvironment) {
+      options.environmentScope = targetEnvironment;
+    }
+
+    if (scope === GitLabSyncScope.Project) {
+      await client.ProjectVariables.edit(resourceId, key, variable.value, {
+        ...options,
+        filter: { environment_scope: targetEnvironment || "*" }
+      });
+    } else {
+      await client.GroupVariables.edit(resourceId, key, variable.value, {
+        ...options,
+        filter: { environment_scope: targetEnvironment || "*" }
+      });
+    }
+  } catch (error) {
+    if (error instanceof GitbeakerRequestError) {
+      throw new SecretSyncError({
+        error: new Error(
+          `Failed to update variable: ${error.message ?? "Unknown error"}${error.cause?.description && error.message !== "Unauthorized" ? `. Cause: ${error.cause.description}` : ""}`
+        ),
+        secretKey: key
+      });
+    }
+    throw new SecretSyncError({
+      error,
+      secretKey: key
+    });
+  }
+};
+
+const deleteGitLabVariable = async ({
+  accessToken,
+  connection,
+  scope,
+  resourceId,
+  key,
+  targetEnvironment,
+  allVariables
+}: {
+  accessToken: string;
+  connection: TGitLabConnection;
+  scope: GitLabSyncScope;
+  resourceId: string;
+  key: string;
+  targetEnvironment?: string;
+  allVariables?: TGitLabVariable[];
+}): Promise<void> => {
+  if (allVariables && !allVariables.find((v) => v.key === key)) {
+    return;
+  }
+  try {
+    const client = await getGitLabClient(
+      accessToken,
+      connection.credentials.instanceUrl,
+      connection.method === GitLabConnectionMethod.OAuth
+    );
+
+    const options: { filter?: { environment_scope: string } } = {};
+    if (targetEnvironment) {
+      options.filter = { environment_scope: targetEnvironment || "*" };
+    }
+
+    if (scope === GitLabSyncScope.Project) {
+      await client.ProjectVariables.remove(resourceId, key, options);
+    } else {
+      await client.GroupVariables.remove(resourceId, key);
+    }
+  } catch (error: unknown) {
+    if (error instanceof GitbeakerRequestError) {
+      throw new SecretSyncError({
+        error: new Error(
+          `Failed to delete variable: ${error.message ?? "Unknown error"}${error.cause?.description && error.message !== "Unauthorized" ? `. Cause: ${error.cause.description}` : ""}`
+        ),
+        secretKey: key
+      });
+    }
+    throw new SecretSyncError({
+      error,
+      secretKey: key
+    });
+  }
+};
+
+export const GitLabSyncFns = {
+  syncSecrets: async (
+    secretSync: TGitLabSyncWithCredentials,
+    secretMap: TSecretMap,
+    { appConnectionDAL, kmsService }: TGitLabSyncFactoryDeps
+  ): Promise<void> => {
+    const { connection, environment, destinationConfig } = secretSync;
+    const { scope, targetEnvironment } = destinationConfig;
+
+    const resourceId = scope === GitLabSyncScope.Project ? destinationConfig.projectId : destinationConfig.groupId;
+
+    const accessToken = await getValidAccessToken(connection, appConnectionDAL, kmsService);
+
+    try {
+      const currentVariables = await getGitLabVariables({
+        accessToken,
+        connection,
+        scope,
+        resourceId,
+        targetEnvironment
+      });
+
+      const currentVariableMap = new Map(currentVariables.map((v) => [v.key, v]));
+
+      for (const [key, { value }] of Object.entries(secretMap)) {
+        if (value?.length < 8 && destinationConfig.shouldMaskSecrets) {
+          throw new SecretSyncError({
+            message: `Secret ${key} is too short to be masked. GitLab requires a minimum of 8 characters for masked secrets.`,
+            secretKey: key
+          });
+        }
+        try {
+          const existingVariable = currentVariableMap.get(key);
+
+          if (existingVariable) {
+            if (
+              existingVariable.value !== value ||
+              existingVariable.environmentScope !== targetEnvironment ||
+              existingVariable.protected !== destinationConfig.shouldProtectSecrets ||
+              existingVariable.masked !== destinationConfig.shouldMaskSecrets
+            ) {
+              await updateGitLabVariable({
+                accessToken,
+                connection,
+                scope,
+                resourceId,
+                key,
+                variable: {
+                  value,
+                  environment_scope: targetEnvironment,
+                  protected: destinationConfig.shouldProtectSecrets,
+                  masked: destinationConfig.shouldMaskSecrets || existingVariable.hidden
+                },
+                targetEnvironment
+              });
+            }
+          } else {
+            await createGitLabVariable({
+              accessToken,
+              connection,
+              scope,
+              resourceId,
+              variable: {
+                key,
+                value,
+                variable_type: "env_var",
+                environment_scope: targetEnvironment || "*",
+                protected: destinationConfig.shouldProtectSecrets || false,
+                masked: destinationConfig.shouldMaskSecrets || false,
+                masked_and_hidden: destinationConfig.shouldHideSecrets || false
+              }
+            });
+          }
+        } catch (error) {
+          throw new SecretSyncError({
+            error,
+            secretKey: key
+          });
+        }
+      }
+
+      if (!secretSync.syncOptions.disableSecretDeletion) {
+        for (const variable of currentVariables) {
+          try {
+            const shouldDelete =
+              matchesSchema(variable.key, environment?.slug || "", secretSync.syncOptions.keySchema) &&
+              !(variable.key in secretMap);
+
+            if (shouldDelete) {
+              await deleteGitLabVariable({
+                accessToken,
+                connection,
+                scope,
+                resourceId,
+                key: variable.key,
+                targetEnvironment
+              });
+            }
+          } catch (error) {
+            throw new SecretSyncError({
+              error,
+              secretKey: variable.key
+            });
+          }
+        }
+      }
+    } catch (error) {
+      if (error instanceof SecretSyncError) {
+        throw error;
+      }
+      throw new SecretSyncError({
+        message: "Failed to sync secrets",
+        error
+      });
+    }
+  },
+
+  removeSecrets: async (
+    secretSync: TGitLabSyncWithCredentials,
+    secretMap: TSecretMap,
+    { appConnectionDAL, kmsService }: TGitLabSyncFactoryDeps
+  ): Promise<void> => {
+    const { connection, destinationConfig } = secretSync;
+    const { scope, targetEnvironment } = destinationConfig;
+
+    const resourceId = scope === GitLabSyncScope.Project ? destinationConfig.projectId : destinationConfig.groupId;
+
+    const accessToken = await getValidAccessToken(connection, appConnectionDAL, kmsService);
+
+    const allVariables = await getGitLabVariables({
+      accessToken,
+      connection,
+      scope,
+      resourceId,
+      targetEnvironment
+    });
+
+    for (const key of Object.keys(secretMap)) {
+      try {
+        await deleteGitLabVariable({
+          accessToken,
+          connection,
+          scope,
+          resourceId,
+          key,
+          targetEnvironment,
+          allVariables
+        });
+      } catch (error) {
+        throw new SecretSyncError({
+          error,
+          secretKey: key
+        });
+      }
+    }
+  },
+
+  getSecrets: async (secretSync: TGitLabSyncWithCredentials): Promise<TSecretMap> => {
+    throw new Error(`${SECRET_SYNC_NAME_MAP[secretSync.destination]} does not support importing secrets.`);
+  }
+};

backend/src/services/secret-sync/gitlab/gitlab-sync-schemas.ts

@@ -0,0 +1,97 @@
+import { z } from "zod";
+
+import { SecretSyncs } from "@app/lib/api-docs";
+import { AppConnection } from "@app/services/app-connection/app-connection-enums";
+import { SecretSync } from "@app/services/secret-sync/secret-sync-enums";
+import {
+  BaseSecretSyncSchema,
+  GenericCreateSecretSyncFieldsSchema,
+  GenericUpdateSecretSyncFieldsSchema
+} from "@app/services/secret-sync/secret-sync-schemas";
+import { TSyncOptionsConfig } from "@app/services/secret-sync/secret-sync-types";
+
+import { GitLabSyncScope } from "./gitlab-sync-enums";
+
+const GitLabSyncDestinationConfigSchema = z.discriminatedUnion("scope", [
+  z.object({
+    scope: z.literal(GitLabSyncScope.Project).describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.scope),
+    projectId: z.string().min(1, "Project ID is required").describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.projectId),
+    projectName: z
+      .string()
+      .min(1, "Project name is required")
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.projectName),
+    targetEnvironment: z
+      .string()
+      .optional()
+      .default("*")
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.targetEnvironment),
+    shouldProtectSecrets: z
+      .boolean()
+      .optional()
+      .default(false)
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.shouldProtectSecrets),
+    shouldMaskSecrets: z
+      .boolean()
+      .optional()
+      .default(false)
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.shouldMaskSecrets),
+    shouldHideSecrets: z
+      .boolean()
+      .optional()
+      .default(false)
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.shouldHideSecrets)
+  }),
+  z.object({
+    scope: z.literal(GitLabSyncScope.Group).describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.scope),
+    groupId: z.string().min(1, "Group ID is required").describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.groupId),
+    groupName: z.string().min(1, "Group name is required").describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.groupName),
+    targetEnvironment: z
+      .string()
+      .optional()
+      .default("*")
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.targetEnvironment),
+    shouldProtectSecrets: z
+      .boolean()
+      .optional()
+      .default(false)
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.shouldProtectSecrets),
+    shouldMaskSecrets: z
+      .boolean()
+      .optional()
+      .default(false)
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.shouldMaskSecrets),
+    shouldHideSecrets: z
+      .boolean()
+      .optional()
+      .default(false)
+      .describe(SecretSyncs.DESTINATION_CONFIG.GITLAB.shouldHideSecrets)
+  })
+]);
+
+const GitLabSyncOptionsConfig: TSyncOptionsConfig = { canImportSecrets: false };
+
+export const GitLabSyncSchema = BaseSecretSyncSchema(SecretSync.GitLab, GitLabSyncOptionsConfig).extend({
+  destination: z.literal(SecretSync.GitLab),
+  destinationConfig: GitLabSyncDestinationConfigSchema
+});
+
+export const CreateGitLabSyncSchema = GenericCreateSecretSyncFieldsSchema(
+  SecretSync.GitLab,
+  GitLabSyncOptionsConfig
+).extend({
+  destinationConfig: GitLabSyncDestinationConfigSchema
+});
+
+export const UpdateGitLabSyncSchema = GenericUpdateSecretSyncFieldsSchema(
+  SecretSync.GitLab,
+  GitLabSyncOptionsConfig
+).extend({
+  destinationConfig: GitLabSyncDestinationConfigSchema.optional()
+});
+
+export const GitLabSyncListItemSchema = z.object({
+  name: z.literal("GitLab"),
+  connection: z.literal(AppConnection.GitLab),
+  destination: z.literal(SecretSync.GitLab),
+  canImportSecrets: z.literal(false)
+});

backend/src/services/secret-sync/gitlab/gitlab-sync-types.ts

@@ -0,0 +1,58 @@
+import { z } from "zod";
+
+import { TGitLabConnection } from "@app/services/app-connection/gitlab";
+
+import { CreateGitLabSyncSchema, GitLabSyncListItemSchema, GitLabSyncSchema } from "./gitlab-sync-schemas";
+
+export type TGitLabSync = z.infer<typeof GitLabSyncSchema>;
+export type TGitLabSyncInput = z.infer<typeof CreateGitLabSyncSchema>;
+export type TGitLabSyncListItem = z.infer<typeof GitLabSyncListItemSchema>;
+
+export type TGitLabSyncWithCredentials = TGitLabSync & {
+  connection: TGitLabConnection;
+};
+
+export type TGitLabVariable = {
+  key: string;
+  value: string;
+  protected: boolean;
+  masked: boolean;
+  environmentScope?: string;
+  hidden?: boolean;
+};
+
+export type TGitLabVariableCreate = {
+  key: string;
+  value: string;
+  variable_type?: "env_var" | "file";
+  protected?: boolean;
+  masked?: boolean;
+  raw?: boolean;
+  environment_scope?: string;
+  description?: string;
+};
+
+export type TGitLabVariableUpdate = {
+  value: string;
+  variable_type?: "env_var" | "file";
+  protected?: boolean;
+  masked?: boolean;
+  raw?: boolean;
+  environment_scope?: string;
+  description?: string | null;
+};
+
+export type TGitLabListVariables = {
+  accessToken: string;
+  projectId: string;
+  environmentScope?: string;
+};
+
+export type TGitLabCreateVariable = TGitLabListVariables & {
+  variable: TGitLabVariableCreate;
+};
+
+export type TGitLabUpdateVariable = TGitLabListVariables & {
+  key: string;
+  variable: TGitLabVariableUpdate;
+};

backend/src/services/secret-sync/gitlab/index.ts

@@ -0,0 +1,4 @@
+export * from "./gitlab-sync-constants";
+export * from "./gitlab-sync-fns";
+export * from "./gitlab-sync-schemas";
+export * from "./gitlab-sync-types";

backend/src/services/secret-sync/secret-sync-enums.ts

@@ -19,6 +19,7 @@ export enum SecretSync {
   Heroku = "heroku",
   Render = "render",
   Flyio = "flyio",
+  GitLab = "gitlab",
   CloudflarePages = "cloudflare-pages"
 }
 

backend/src/services/secret-sync/secret-sync-fns.ts

@@ -34,6 +34,7 @@ import { CloudflarePagesSyncFns } from "./cloudflare-pages/cloudflare-pages-fns"
 import { FLYIO_SYNC_LIST_OPTION, FlyioSyncFns } from "./flyio";
 import { GCP_SYNC_LIST_OPTION } from "./gcp";
 import { GcpSyncFns } from "./gcp/gcp-sync-fns";
+import { GITLAB_SYNC_LIST_OPTION, GitLabSyncFns } from "./gitlab";
 import { HC_VAULT_SYNC_LIST_OPTION, HCVaultSyncFns } from "./hc-vault";
 import { HEROKU_SYNC_LIST_OPTION, HerokuSyncFns } from "./heroku";
 import { HUMANITEC_SYNC_LIST_OPTION } from "./humanitec";
@@ -66,6 +67,7 @@ const SECRET_SYNC_LIST_OPTIONS: Record<SecretSync, TSecretSyncListItem> = {
   [SecretSync.Heroku]: HEROKU_SYNC_LIST_OPTION,
   [SecretSync.Render]: RENDER_SYNC_LIST_OPTION,
   [SecretSync.Flyio]: FLYIO_SYNC_LIST_OPTION,
+  [SecretSync.GitLab]: GITLAB_SYNC_LIST_OPTION,
   [SecretSync.CloudflarePages]: CLOUDFLARE_PAGES_SYNC_LIST_OPTION
 };
 
@@ -230,6 +232,8 @@ export const SecretSyncFns = {
         return RenderSyncFns.syncSecrets(secretSync, schemaSecretMap);
       case SecretSync.Flyio:
         return FlyioSyncFns.syncSecrets(secretSync, schemaSecretMap);
+      case SecretSync.GitLab:
+        return GitLabSyncFns.syncSecrets(secretSync, schemaSecretMap, { appConnectionDAL, kmsService });
       case SecretSync.CloudflarePages:
         return CloudflarePagesSyncFns.syncSecrets(secretSync, schemaSecretMap);
       default:
@@ -318,6 +322,9 @@ export const SecretSyncFns = {
       case SecretSync.Flyio:
         secretMap = await FlyioSyncFns.getSecrets(secretSync);
         break;
+      case SecretSync.GitLab:
+        secretMap = await GitLabSyncFns.getSecrets(secretSync);
+        break;
       case SecretSync.CloudflarePages:
         secretMap = await CloudflarePagesSyncFns.getSecrets(secretSync);
         break;
@@ -394,6 +401,8 @@ export const SecretSyncFns = {
         return RenderSyncFns.removeSecrets(secretSync, schemaSecretMap);
       case SecretSync.Flyio:
         return FlyioSyncFns.removeSecrets(secretSync, schemaSecretMap);
+      case SecretSync.GitLab:
+        return GitLabSyncFns.removeSecrets(secretSync, schemaSecretMap, { appConnectionDAL, kmsService });
       case SecretSync.CloudflarePages:
         return CloudflarePagesSyncFns.removeSecrets(secretSync, schemaSecretMap);
       default:

backend/src/services/secret-sync/secret-sync-maps.ts

@@ -22,6 +22,7 @@ export const SECRET_SYNC_NAME_MAP: Record<SecretSync, string> = {
   [SecretSync.Heroku]: "Heroku",
   [SecretSync.Render]: "Render",
   [SecretSync.Flyio]: "Fly.io",
+  [SecretSync.GitLab]: "GitLab",
   [SecretSync.CloudflarePages]: "Cloudflare Pages"
 };
 
@@ -46,6 +47,7 @@ export const SECRET_SYNC_CONNECTION_MAP: Record<SecretSync, AppConnection> = {
   [SecretSync.Heroku]: AppConnection.Heroku,
   [SecretSync.Render]: AppConnection.Render,
   [SecretSync.Flyio]: AppConnection.Flyio,
+  [SecretSync.GitLab]: AppConnection.GitLab,
   [SecretSync.CloudflarePages]: AppConnection.Cloudflare
 };
 
@@ -70,5 +72,6 @@ export const SECRET_SYNC_PLAN_MAP: Record<SecretSync, SecretSyncPlanType> = {
   [SecretSync.Heroku]: SecretSyncPlanType.Regular,
   [SecretSync.Render]: SecretSyncPlanType.Regular,
   [SecretSync.Flyio]: SecretSyncPlanType.Regular,
+  [SecretSync.GitLab]: SecretSyncPlanType.Regular,
   [SecretSync.CloudflarePages]: SecretSyncPlanType.Regular
 };

backend/src/services/secret-sync/secret-sync-types.ts

@@ -72,8 +72,15 @@ import {
   TAzureKeyVaultSyncListItem,
   TAzureKeyVaultSyncWithCredentials
 } from "./azure-key-vault";
+import {
+  TCloudflarePagesSync,
+  TCloudflarePagesSyncInput,
+  TCloudflarePagesSyncListItem,
+  TCloudflarePagesSyncWithCredentials
+} from "./cloudflare-pages/cloudflare-pages-types";
 import { TFlyioSync, TFlyioSyncInput, TFlyioSyncListItem, TFlyioSyncWithCredentials } from "./flyio/flyio-sync-types";
 import { TGcpSync, TGcpSyncInput, TGcpSyncListItem, TGcpSyncWithCredentials } from "./gcp";
+import { TGitLabSync, TGitLabSyncInput, TGitLabSyncListItem, TGitLabSyncWithCredentials } from "./gitlab";
 import {
   THCVaultSync,
   THCVaultSyncInput,
@@ -106,12 +113,6 @@ import {
   TTerraformCloudSyncWithCredentials
 } from "./terraform-cloud";
 import { TVercelSync, TVercelSyncInput, TVercelSyncListItem, TVercelSyncWithCredentials } from "./vercel";
-import {
-  TCloudflarePagesSync,
-  TCloudflarePagesSyncInput,
-  TCloudflarePagesSyncListItem,
-  TCloudflarePagesSyncWithCredentials
-} from "./cloudflare-pages/cloudflare-pages-types";
 
 export type TSecretSync =
   | TAwsParameterStoreSync
@@ -134,6 +135,7 @@ export type TSecretSync =
   | THerokuSync
   | TRenderSync
   | TFlyioSync
+  | TGitLabSync
   | TCloudflarePagesSync;
 
 export type TSecretSyncWithCredentials =
@@ -157,6 +159,7 @@ export type TSecretSyncWithCredentials =
   | THerokuSyncWithCredentials
   | TRenderSyncWithCredentials
   | TFlyioSyncWithCredentials
+  | TGitLabSyncWithCredentials
   | TCloudflarePagesSyncWithCredentials;
 
 export type TSecretSyncInput =
@@ -180,6 +183,7 @@ export type TSecretSyncInput =
   | THerokuSyncInput
   | TRenderSyncInput
   | TFlyioSyncInput
+  | TGitLabSyncInput
   | TCloudflarePagesSyncInput;
 
 export type TSecretSyncListItem =
@@ -203,6 +207,7 @@ export type TSecretSyncListItem =
   | THerokuSyncListItem
   | TRenderSyncListItem
   | TFlyioSyncListItem
+  | TGitLabSyncListItem
   | TCloudflarePagesSyncListItem;
 
 export type TSyncOptionsConfig = {

docs/api-reference/endpoints/app-connections/gitlab/available.mdx

@@ -0,0 +1,4 @@
+---
+title: "Available"
+openapi: "GET /api/v1/app-connections/gitlab/available"
+---

docs/api-reference/endpoints/app-connections/gitlab/create.mdx

@@ -0,0 +1,10 @@
+---
+title: "Create"
+openapi: "POST /api/v1/app-connections/gitlab"
+---
+
+<Note>
+    Gitlab OAuth Connections must be created through the Infisical UI.
+    Check out the configuration docs for [Gitlab OAuth Connections](/integrations/app-connections/gitlab) for a step-by-step
+    guide.
+</Note>

docs/api-reference/endpoints/app-connections/gitlab/delete.mdx

@@ -0,0 +1,4 @@
+---
+title: "Delete"
+openapi: "DELETE /api/v1/app-connections/gitlab/{connectionId}"
+---

docs/api-reference/endpoints/app-connections/gitlab/get-by-id.mdx

@@ -0,0 +1,4 @@
+---
+title: "Get by ID"
+openapi: "GET /api/v1/app-connections/gitlab/{connectionId}"
+---

docs/api-reference/endpoints/app-connections/gitlab/get-by-name.mdx

@@ -0,0 +1,4 @@
+---
+title: "Get by Name"
+openapi: "GET /api/v1/app-connections/gitlab/connection-name/{connectionName}"
+---

docs/api-reference/endpoints/app-connections/gitlab/list.mdx

@@ -0,0 +1,4 @@
+---
+title: "List"
+openapi: "GET /api/v1/app-connections/gitlab"
+---

docs/api-reference/endpoints/app-connections/gitlab/update.mdx

@@ -0,0 +1,10 @@
+---
+title: "Update"
+openapi: "PATCH /api/v1/app-connections/gitlab/{connectionId}"
+---
+
+<Note>
+    Gitlab OAuth Connections must be updated through the Infisical UI.
+    Check out the configuration docs for [Gitlab OAuth Connections](/integrations/app-connections/gitlab) for a step-by-step
+    guide.
+</Note>

docs/api-reference/endpoints/secret-syncs/gitlab/create.mdx

@@ -0,0 +1,4 @@
+---
+title: "Create"
+openapi: "POST /api/v1/secret-syncs/gitlab"
+---

docs/api-reference/endpoints/secret-syncs/gitlab/delete.mdx

@@ -0,0 +1,4 @@
+---
+title: "Delete"
+openapi: "DELETE /api/v1/secret-syncs/gitlab/{syncId}"
+---

docs/api-reference/endpoints/secret-syncs/gitlab/get-by-id.mdx

@@ -0,0 +1,4 @@
+---
+title: "Get by ID"
+openapi: "GET /api/v1/secret-syncs/gitlab/{syncId}"
+---

docs/api-reference/endpoints/secret-syncs/gitlab/get-by-name.mdx

@@ -0,0 +1,4 @@
+---
+title: "Get by Name"
+openapi: "GET /api/v1/secret-syncs/gitlab/sync-name/{syncName}"
+---

docs/api-reference/endpoints/secret-syncs/gitlab/list.mdx

@@ -0,0 +1,4 @@
+---
+title: "List"
+openapi: "GET /api/v1/secret-syncs/gitlab"
+---

docs/api-reference/endpoints/secret-syncs/gitlab/remove-secrets.mdx

@@ -0,0 +1,4 @@
+---
+title: "Remove Secrets"
+openapi: "POST /api/v1/secret-syncs/gitlab/{syncId}/remove-secrets"
+---

docs/api-reference/endpoints/secret-syncs/gitlab/sync-secrets.mdx

@@ -0,0 +1,4 @@
+---
+title: "Sync Secrets"
+openapi: "POST /api/v1/secret-syncs/gitlab/{syncId}/sync-secrets"
+---

docs/api-reference/endpoints/secret-syncs/gitlab/update.mdx

@@ -0,0 +1,4 @@
+---
+title: "Update"
+openapi: "PATCH /api/v1/secret-syncs/gitlab/{syncId}"
+---

docs/docs.json

@@ -475,6 +475,7 @@
                   "integrations/app-connections/gcp",
                   "integrations/app-connections/github",
                   "integrations/app-connections/github-radar",
+                  "integrations/app-connections/gitlab",
                   "integrations/app-connections/hashicorp-vault",
                   "integrations/app-connections/heroku",
                   "integrations/app-connections/humanitec",
@@ -512,6 +513,7 @@
                   "integrations/secret-syncs/flyio",
                   "integrations/secret-syncs/gcp-secret-manager",
                   "integrations/secret-syncs/github",
+                  "integrations/secret-syncs/gitlab",
                   "integrations/secret-syncs/hashicorp-vault",
                   "integrations/secret-syncs/heroku",
                   "integrations/secret-syncs/humanitec",
@@ -1317,6 +1319,18 @@
                       "api-reference/endpoints/app-connections/github/delete"
                     ]
                   },
+                  {
+                    "group": "GitLab",
+                    "pages": [
+                      "api-reference/endpoints/app-connections/gitlab/list",
+                      "api-reference/endpoints/app-connections/gitlab/available",
+                      "api-reference/endpoints/app-connections/gitlab/get-by-id",
+                      "api-reference/endpoints/app-connections/gitlab/get-by-name",
+                      "api-reference/endpoints/app-connections/gitlab/create",
+                      "api-reference/endpoints/app-connections/gitlab/update",
+                      "api-reference/endpoints/app-connections/gitlab/delete"
+                    ]
+                  },
                   {
                     "group": "GitHub Radar",
                     "pages": [
@@ -1667,6 +1681,19 @@
                       "api-reference/endpoints/secret-syncs/github/remove-secrets"
                     ]
                   },
+                  {
+                    "group": "GitLab",
+                    "pages": [
+                      "api-reference/endpoints/secret-syncs/gitlab/list",
+                      "api-reference/endpoints/secret-syncs/gitlab/get-by-id",
+                      "api-reference/endpoints/secret-syncs/gitlab/get-by-name",
+                      "api-reference/endpoints/secret-syncs/gitlab/create",
+                      "api-reference/endpoints/secret-syncs/gitlab/update",
+                      "api-reference/endpoints/secret-syncs/gitlab/delete",
+                      "api-reference/endpoints/secret-syncs/gitlab/sync-secrets",
+                      "api-reference/endpoints/secret-syncs/gitlab/remove-secrets"
+                    ]
+                  },
                   {
                     "group": "Hashicorp Vault",
                     "pages": [

docs/integrations/app-connections/gitlab.mdx

@@ -0,0 +1,192 @@
+---
+title: "GitLab Connection"
+description: "Learn how to configure a GitLab Connection for Infisical using OAuth or Access Token methods."
+---
+
+Infisical supports two methods for connecting to GitLab: **OAuth** and **Access Token**. Choose the method that best fits your setup and security requirements.
+
+<Tabs>
+  <Tab title="OAuth Method">
+    The OAuth method provides secure authentication through GitLab's OAuth flow.
+
+    <Accordion title="Self-Hosted Instance Setup">
+      Using the GitLab Connection with OAuth on a self-hosted instance of Infisical requires configuring an OAuth application in GitLab and registering your instance with it.
+
+      **Prerequisites:**
+      - A GitLab account with existing projects
+      - Self-hosted Infisical instance
+
+      <Steps>
+        <Step title="Create an OAuth application in GitLab">
+          Navigate to your user Settings > Applications to create a new GitLab application.
+
+          ![GitLab Dashboard](/images/app-connections/gitlab/gitlab-dashboard.png)
+          ![GitLab Applications Settings](/images/app-connections/gitlab/gitlab-applications.png)
+
+
+          Create the application. As part of the form, set the **Redirect URI** to `https://your-domain.com/organization/app-connections/gitlab/oauth/callback`.
+
+          ![GitLab New Application Form](/images/app-connections/gitlab/gitlab-create-application-top.png)
+          ![GitLab New Application Form](/images/app-connections/gitlab/gitlab-create-application-bottom.png)
+
+          <Tip>
+            The domain you defined in the Redirect URI should be equivalent to the `SITE_URL` configured in your Infisical instance.
+          </Tip>
+
+          <Note>
+            If you have a GitLab group, you can create an OAuth application under it in your group Settings > Applications.
+          </Note>
+        </Step>
+        <Step title="Add your GitLab OAuth application credentials to Infisical">
+          Obtain the **Application ID** and **Secret** for your GitLab OAuth application.
+
+          ![GitLab Application Credentials](/images/app-connections/gitlab/gitlab-config-credentials.png)
+
+          Back in your Infisical instance, add two new environment variables for the credentials of your GitLab OAuth application:
+
+          - `INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID`: The **Application ID** of your GitLab OAuth application.
+          - `INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET`: The **Secret** of your GitLab OAuth application.
+
+          Once added, restart your Infisical instance and use the GitLab Connection.
+        </Step>
+      </Steps>
+    </Accordion>
+
+    ## Setup GitLab OAuth Connection in Infisical
+
+    <Steps>
+      <Step title="Navigate to App Connections">
+        Navigate to the **App Connections** tab on the **Organization Settings** page.
+        ![App Connections Tab](/images/app-connections/general/add-connection.png)
+      </Step>
+      <Step title="Add Connection">
+        Select the **GitLab Connection** option from the connection options modal.
+        ![Select GitLab Connection](/images/app-connections/gitlab/select-gitlab-connection.png)
+      </Step>
+      <Step title="Choose OAuth Method">
+        Select the **OAuth** method and click **Connect to GitLab**.
+
+        ![Connect via GitLab OAuth](/images/app-connections/gitlab/create-gitlab-oauth-connection.png)
+      </Step>
+      <Step title="Grant Access">
+        You will be redirected to GitLab to grant Infisical access to your GitLab account. Once granted, you will be redirected back to Infisical's App Connections page.
+        ![GitLab Authorization](/images/app-connections/gitlab/gitlab-authorization-page.png)
+      </Step>
+      <Step title="Connection Created">
+        Your **GitLab Connection** is now available for use.
+        ![GitLab OAuth Connection](/images/app-connections/gitlab/gitlab-oauth-connection.png)
+      </Step>
+    </Steps>
+
+  </Tab>
+
+  <Tab title="Access Token Method">
+    The Access Token method uses a GitLab access token for authentication, providing a straightforward setup process.
+
+    ## Generate GitLab Access Token
+
+    <Tabs>
+      <Tab title="Personal Access Token">
+        Personal access tokens provide access to your GitLab account and all projects you have access to.
+
+        <Steps>
+          <Step title="Navigate to Access Tokens">
+            Log in to your GitLab account and navigate to User Settings > Access tokens. Click **Add new token** to create a new personal access token.
+
+            ![GitLab Personal Access Tokens](/images/app-connections/gitlab/gitlab-add-access-token.png)
+          </Step>
+          <Step title="Configure Token">
+            <Tabs>
+              <Tab title="Secret Sync">
+              For Secret Syncs, your token will require the ability to access the API:
+              Fill in the token details:
+              - **Token name**: A descriptive name for the token (e.g., "connection-token")
+              - **Expiration date**: Set an appropriate expiration date
+              - **Select scopes**: Choose the **api** scope for full API access
+
+              ![GitLab Personal Token Form](/images/app-connections/gitlab/gitlab-personal-access-token-form.png)
+              </Tab>
+            </Tabs>
+
+            <Info>
+              Personal Access Token connections require manual token rotation when your GitLab access token expires or is regenerated. Monitor your connection status and update the token as needed.
+            </Info>
+          </Step>
+          <Step title="Copy Token">
+            Copy the generated token immediately as it won't be shown again.
+
+            ![GitLab Personal Token Created](/images/app-connections/gitlab/gitlab-copy-token.png)
+
+            <Warning>
+              Keep your access token secure and do not share it. Anyone with access to this token can access your GitLab account and projects.
+            </Warning>
+          </Step>
+        </Steps>
+      </Tab>
+
+      <Tab title="Project Access Token">
+        Project access tokens provide access to a specific GitLab project, offering more granular control.
+
+        <Steps>
+          <Step title="Navigate to Project Settings">
+            Go to your GitLab project and navigate to Settings > Access Tokens. Click **Add new token** to create a new project access token.
+
+            ![GitLab Project Access Tokens](/images/app-connections/gitlab/gitlab-project-access-token-list.png)
+          </Step>
+          <Step title="Configure Token">
+            <Tabs>
+            <Tab title="Secret Sync">
+                  For Secret Syncs, your token will require the ability to access the API and be at least an **Owner**:
+                  Fill in the token details:
+                  - **Token name**: A descriptive name for the token
+                  - **Expiration date**: Set an appropriate expiration date
+                  - **Select role**: Choose **Owner** or higher role
+                  - **Select scopes**: Choose the **api** scope for API access
+
+                  ![GitLab Create Project Token](/images/app-connections/gitlab/gitlab-project-access-token-form.png)
+              </Tab>
+            </Tabs>
+
+            <Info>
+              Project Access Token connections require manual token rotation when your GitLab access token expires or is regenerated. Monitor your connection status and update the token as needed.
+            </Info>
+          </Step>
+          <Step title="Copy Token">
+            Copy the generated token immediately as it won't be shown again.
+
+            ![GitLab Project Token Form](/images/app-connections/gitlab/gitlab-project-access-token-created.png)
+
+            <Warning>
+              Keep your access token secure and do not share it. Anyone with access to this token can access your GitLab account and projects.
+            </Warning>
+          </Step>
+        </Steps>
+      </Tab>
+    </Tabs>
+
+    ## Setup GitLab Access Token Connection in Infisical
+
+    <Steps>
+      <Step title="Navigate to App Connections">
+        Navigate to the **App Connections** tab on the **Organization Settings** page.
+        ![App Connections Tab](/images/app-connections/general/add-connection.png)
+      </Step>
+      <Step title="Add Connection">
+        Select the **GitLab Connection** option from the connection options modal.
+        ![Select GitLab Connection](/images/app-connections/gitlab/select-gitlab-connection.png)
+      </Step>
+      <Step title="Configure Access Token">
+        Select the **Access Token** method, paste your GitLab access token in the provided field, and select the appropriate token type.
+
+        ![Configure Access Token](/images/app-connections/gitlab/create-gitlab-access-token-connection.png)
+
+        Click **Connect** to establish the connection.
+      </Step>
+      <Step title="Connection Created">
+        Your **GitLab Connection** is now available for use.
+        ![GitLab Access Token Connection](/images/app-connections/gitlab/gitlab-access-token-connection.png)
+      </Step>
+    </Steps>
+
+  </Tab>
+</Tabs>

docs/integrations/app-connections/heroku.mdx

@@ -1,6 +1,6 @@
 ---
-title: "Heroku App Connection"
+title: "Heroku Connection"
-description: "Learn how to configure a Heroku App Connection for Infisical using OAuth or Auth Token methods."
+description: "Learn how to configure a Heroku Connection for Infisical using OAuth or Auth Token methods."
 ---
 
 Infisical supports two methods for connecting to Heroku: **OAuth** and **Auth Token**. Choose the method that best fits your setup and security requirements.
@@ -10,7 +10,7 @@ Infisical supports two methods for connecting to Heroku: **OAuth** and **Auth To
     The OAuth method provides secure authentication through Heroku's OAuth flow.
 
     <Accordion title="Self-Hosted Instance Setup">
-      Using the Heroku App Connection with OAuth on a self-hosted instance of Infisical requires configuring an API client in Heroku and registering your instance with it.
+      Using the Heroku Connection with OAuth on a self-hosted instance of Infisical requires configuring an API client in Heroku and registering your instance with it.
 
       **Prerequisites:**
       - A Heroku account with existing applications
@@ -42,7 +42,7 @@ Infisical supports two methods for connecting to Heroku: **OAuth** and **Auth To
           - `CLIENT_ID_HEROKU`: The **Client ID** of your Heroku API client.
           - `CLIENT_SECRET_HEROKU`: The **Client Secret** of your Heroku API client.
 
-          Once added, restart your Infisical instance and use the Heroku App Connection.
+          Once added, restart your Infisical instance and use the Heroku Connection.
         </Step>
       </Steps>
     </Accordion>
@@ -55,7 +55,7 @@ Infisical supports two methods for connecting to Heroku: **OAuth** and **Auth To
         ![App Connections Tab](/images/app-connections/general/add-connection.png)
       </Step>
       <Step title="Add Connection">
-        Select the **Heroku App Connection** option from the connection options modal.
+        Select the **Heroku Connection** option from the connection options modal.
         ![Select Heroku Connection](/images/app-connections/heroku/heroku-select-connection.png)
       </Step>
       <Step title="Choose OAuth Method">
@@ -68,7 +68,7 @@ Infisical supports two methods for connecting to Heroku: **OAuth** and **Auth To
         ![Heroku Authorization](/images/integrations/heroku/integrations-heroku-auth.png)
       </Step>
       <Step title="Connection Created">
-        Your **Heroku App Connection** is now available for use.
+        Your **Heroku Connection** is now available for use.
         ![Heroku OAuth Connection](/images/app-connections/heroku/heroku-connection.png)
       </Step>
     </Steps>
@@ -97,7 +97,7 @@ Infisical supports two methods for connecting to Heroku: **OAuth** and **Auth To
         ![App Connections Tab](/images/app-connections/general/add-connection.png)
       </Step>
       <Step title="Add Connection">
-        Select the **Heroku App Connection** option from the connection options modal.
+        Select the **Heroku Connection** option from the connection options modal.
         ![Select Heroku Connection](/images/app-connections/heroku/heroku-select-connection.png)
       </Step>
       <Step title="Configure Auth Token">
@@ -108,7 +108,7 @@ Infisical supports two methods for connecting to Heroku: **OAuth** and **Auth To
         Click **Connect** to establish the connection.
       </Step>
       <Step title="Connection Created">
-        Your **Heroku App Connection** is now available for use.
+        Your **Heroku Connection** is now available for use.
         ![Heroku Auth Token Connection](/images/app-connections/heroku/heroku-connection.png)
       </Step>
     </Steps>

docs/integrations/secret-syncs/gitlab.mdx

@@ -0,0 +1,180 @@
+---
+title: "GitLab Sync"
+description: "Learn how to configure a GitLab Sync for Infisical."
+---
+
+**Prerequisites:**
+
+    - Set up and add secrets to [Infisical Cloud](https://app.infisical.com)
+    - Create a [GitLab Connection](/integrations/app-connections/gitlab)
+
+<Tabs>
+    <Tab title="Infisical UI">
+        1. Navigate to **Project** > **Integrations** and select the **Secret Syncs** tab. Click on the **Add Sync** button.
+        ![Secret Syncs Tab](/images/secret-syncs/general/secret-sync-tab.png)
+
+        2. Select the **GitLab** option.
+        ![Select GitLab](/images/secret-syncs/gitlab/gitlab-secret-sync-option.png)
+
+        3. Configure the **Source** from where secrets should be retrieved, then click **Next**.
+        ![Configure Source](/images/secret-syncs/gitlab/gitlab-secret-sync-source.png)
+
+            - **Environment**: The project environment to retrieve secrets from.
+            - **Secret Path**: The folder path to retrieve secrets from.
+
+        <Tip>
+            If you need to sync secrets from multiple folder locations, check out [secret imports](/documentation/platform/secret-reference#secret-imports).
+        </Tip>
+
+        4. Configure the **Destination** to where secrets should be deployed, then click **Next**.
+        ![Configure Destination](/images/secret-syncs/gitlab/gitlab-secret-sync-destination.png)
+
+            - **GitLab Connection**: The GitLab Connection to authenticate with.
+            - **Scope**: The GitLab scope to sync secrets to.
+                - **Project**: Sync secrets to a GitLab project.
+                - **Group**: Sync secrets to a GitLab group.
+            <p class="height:1px"  />
+            The remaining fields are determined by the selected **Scope**:
+            <AccordionGroup>
+                <Accordion title="Project">
+                    - **GitLab Project**: The project to deploy secrets to.
+                    - **GitLab Environment Scope**: The environment scope to deploy secrets to (optional, defaults to "*" for all environments).
+                    - **Mark secrets as Protected**: If enabled, synced secrets will be marked as protected in GitLab.
+                    - **Mark secrets as Masked**: If enabled, synced secrets will be masked in GitLab CI/CD logs.
+                    - **Mark secrets as Hidden**: If enabled, synced secrets will be hidden from the GitLab UI.
+                </Accordion>
+                <Accordion title="Group">
+                    - **GitLab Group**: The group to deploy secrets to.
+                    - **GitLab Environment Scope**: The environment scope to deploy secrets to (optional, defaults to "*" for all environments).
+                    - **Mark secrets as Protected**: If enabled, synced secrets will be marked as protected in GitLab.
+                    - **Mark secrets as Masked**: If enabled, synced secrets will be masked in GitLab CI/CD logs.
+                    - **Mark secrets as Hidden**: If enabled, synced secrets will be hidden from the GitLab UI.
+                </Accordion>
+            </AccordionGroup>
+            <Note>
+                Be aware that GitLab only allows to mark secrets as hidden for new secrets. If you try to mark an existing secret as hidden, it produces an error.
+            </Note>
+            <Warning>
+                If you enable **Mark secrets as Hidden**, Infisical will not be able to unhide/unmask secrets from the sync destination if you disable the option later. This is because GitLab does not allow to unhide/unmask existing secrets.
+            </Warning>
+
+        5. Configure the **Sync Options** to specify how secrets should be synced, then click **Next**.
+        ![Configure Options](/images/secret-syncs/gitlab/gitlab-secret-sync-options.png)
+
+            - **Initial Sync Behavior**: Determines how Infisical should resolve the initial sync.
+                - **Overwrite Destination Secrets**: Removes any secrets at the destination endpoint not present in Infisical.
+                <Note>
+                    GitLab does not support importing secrets.
+                </Note>
+            - **Key Schema**: Template that determines how secret names are transformed when syncing, using `{{secretKey}}` as a placeholder for the original secret name and `{{environment}}` for the environment.
+            <Note>
+                We highly recommend using a Key Schema to ensure that Infisical only manages the specific keys you intend, keeping everything else untouched.
+            </Note>
+            - **Auto-Sync Enabled**: If enabled, secrets will automatically be synced from the source location when changes occur. Disable to enforce manual syncing only.
+            - **Disable Secret Deletion**: If enabled, Infisical will not remove secrets from the sync destination. Enable this option if you intend to manage some secrets manually outside of Infisical.
+
+        6. Configure the **Details** of your GitLab Sync, then click **Next**.
+        ![Configure Details](/images/secret-syncs/gitlab/gitlab-secret-sync-details.png)
+
+            - **Name**: The name of your sync. Must be slug-friendly.
+            - **Description**: An optional description for your sync.
+
+        7. Review your GitLab Sync configuration, then click **Create Sync**.
+        ![Confirm Configuration](/images/secret-syncs/gitlab/gitlab-secret-sync-review.png)
+
+        8. If enabled, your GitLab Sync will begin syncing your secrets to the destination endpoint.
+        ![Sync Secrets](/images/secret-syncs/gitlab/gitlab-secret-sync-created.png)
+
+    </Tab>
+    <Tab title="API">
+        To create a **GitLab Sync**, make an API request to the [Create GitLab Sync](/api-reference/endpoints/secret-syncs/gitlab/create) API endpoint.
+
+        ### Sample request
+
+        ```bash Request
+        curl    --request POST \
+        --url https://app.infisical.com/api/v1/secret-syncs/gitlab \
+        --header 'Content-Type: application/json' \
+        --data '{
+            "name": "my-gitlab-sync",
+            "projectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+            "description": "an example sync",
+            "connectionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+            "environment": "dev",
+            "secretPath": "/my-secrets",
+            "isEnabled": true,
+            "syncOptions": {
+                "initialSyncBehavior": "overwrite-destination"
+            },
+            "destinationConfig": {
+                "scope": "project",
+                "projectId": "70998370",
+                "projectName": "test",
+                "targetEnvironment": "*",
+                "shouldProtectSecrets": true,
+                "shouldMaskSecrets": true,
+                "shouldHideSecrets": false
+            }
+        }'
+        ```
+
+        ### Sample response
+
+        ```bash Response
+        {
+            "secretSync": {
+                "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+                "name": "my-gitlab-sync",
+                "description": "an example sync",
+                "isEnabled": true,
+                "version": 1,
+                "folderId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+                "connectionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+                "createdAt": "2023-11-07T05:31:56Z",
+                "updatedAt": "2023-11-07T05:31:56Z",
+                "syncStatus": "succeeded",
+                "lastSyncJobId": "123",
+                "lastSyncMessage": null,
+                "lastSyncedAt": "2023-11-07T05:31:56Z",
+                "importStatus": null,
+                "lastImportJobId": null,
+                "lastImportMessage": null,
+                "lastImportedAt": null,
+                "removeStatus": null,
+                "lastRemoveJobId": null,
+                "lastRemoveMessage": null,
+                "lastRemovedAt": null,
+                "syncOptions": {
+                    "initialSyncBehavior": "overwrite-destination"
+                },
+                "projectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+                "connection": {
+                    "app": "gitlab",
+                    "name": "my-gitlab-connection",
+                    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
+                },
+                "environment": {
+                    "slug": "dev",
+                    "name": "Development",
+                    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
+                },
+                "folder": {
+                    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+                    "path": "/my-secrets"
+                },
+                "destination": "gitlab",
+                "destinationConfig": {
+                    "scope": "project",
+                    "projectId": "70998370",
+                    "projectName": "test",
+                    "targetEnvironment": "*",
+                    "shouldProtectSecrets": true,
+                    "shouldMaskSecrets": true,
+                    "shouldHideSecrets": false
+                }
+            }
+        }
+        ```
+    </Tab>
+
+</Tabs>

docs/integrations/secret-syncs/heroku.mdx

@@ -6,7 +6,7 @@ description: "Learn how to configure a Heroku Sync for Infisical."
 **Prerequisites:**
 
 - Set up and add secrets to [Infisical Cloud](https://app.infisical.com)
-- Create a [Heroku App Connection](/integrations/app-connections/heroku)
+- Create a [Heroku Connection](/integrations/app-connections/heroku)
 
 <Tabs>
     <Tab title="Infisical UI">
@@ -29,7 +29,7 @@ description: "Learn how to configure a Heroku Sync for Infisical."
         4. Configure the **Destination** to where secrets should be deployed, then click **Next**.
         ![Configure Destination](/images/secret-syncs/heroku/heroku-destination.png)
 
-            - **Heroku App Connection**: The Heroku App Connection to authenticate with.
+            - **Heroku Connection**: The Heroku Connection to authenticate with.
             - **Heroku App**: The Heroku application to sync secrets to.
 
         5. Configure the **Sync Options** to specify how secrets should be synced, then click **Next**.

docs/self-hosting/configuration/envars.mdx

@@ -590,6 +590,17 @@ You can configure third-party app connections for re-use across Infisical Projec
 
 </Accordion>
 
+<Accordion title="GitLab OAuth Connection">
+    <ParamField query="INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_ID" type="string" default="none" optional>
+        The Application ID of your GitLab OAuth application.
+    </ParamField>
+
+    <ParamField query="INF_APP_CONNECTION_GITLAB_OAUTH_CLIENT_SECRET" type="string" default="none" optional>
+        The Secret of your GitLab OAuth application.
+    </ParamField>
+
+</Accordion>
+
 ## Native Secret Integrations
 
 To help you sync secrets from Infisical to services such as Github and Gitlab, Infisical provides native integrations out of the box.

frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/GitLabSyncFields.tsx

@@ -0,0 +1,282 @@
+import { Controller, useFormContext, useWatch } from "react-hook-form";
+import { SingleValue } from "react-select";
+import { faCircleInfo, faQuestionCircle } from "@fortawesome/free-solid-svg-icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+
+import { SecretSyncConnectionField } from "@app/components/secret-syncs/forms/SecretSyncConnectionField";
+import {
+  FilterableSelect,
+  FormControl,
+  Input,
+  Select,
+  SelectItem,
+  Switch,
+  Tooltip
+} from "@app/components/v2";
+import {
+  TGitLabGroup,
+  TGitLabProject,
+  useGitlabConnectionListGroups,
+  useGitlabConnectionListProjects
+} from "@app/hooks/api/appConnections/gitlab";
+import { SecretSync } from "@app/hooks/api/secretSyncs";
+import { GitLabSyncScope } from "@app/hooks/api/secretSyncs/types/gitlab-sync";
+
+import { TSecretSyncForm } from "../schemas";
+
+const SecretProtectionOption = ({
+  title,
+  isEnabled,
+  onChange,
+  id,
+  isDisabled = false,
+  tooltip
+}: {
+  title: string;
+  isEnabled: boolean;
+  onChange: (checked: boolean) => void;
+  id: string;
+  isDisabled?: boolean;
+  tooltip?: string;
+}) => {
+  return (
+    <Switch
+      className="bg-mineshaft-400/80 shadow-inner data-[state=checked]:bg-green/80"
+      id={id}
+      thumbClassName="bg-mineshaft-800"
+      onCheckedChange={onChange}
+      isChecked={isEnabled}
+      isDisabled={isDisabled}
+      containerClassName="w-full"
+    >
+      <p>
+        {title}{" "}
+        {tooltip && (
+          <Tooltip className="max-w-md" content={tooltip}>
+            <FontAwesomeIcon icon={faQuestionCircle} size="sm" className="ml-1" />
+          </Tooltip>
+        )}
+      </p>
+    </Switch>
+  );
+};
+
+export const GitLabSyncFields = () => {
+  const { control, setValue } = useFormContext<
+    TSecretSyncForm & { destination: SecretSync.GitLab }
+  >();
+
+  const connectionId = useWatch({ name: "connection.id", control });
+  const scope = useWatch({ name: "destinationConfig.scope", control });
+  const shouldMaskSecrets = useWatch({ name: "destinationConfig.shouldMaskSecrets", control });
+
+  const { data: groups, isLoading: isGroupsLoading } = useGitlabConnectionListGroups(connectionId, {
+    enabled: Boolean(connectionId) && scope === GitLabSyncScope.Group
+  });
+
+  const { data: projects, isLoading: isProjectsLoading } = useGitlabConnectionListProjects(
+    connectionId,
+    {
+      enabled: Boolean(connectionId)
+    }
+  );
+
+  return (
+    <div className="h-full overflow-auto">
+      <SecretSyncConnectionField
+        onChange={() => {
+          setValue("destinationConfig.projectId", "");
+          setValue("destinationConfig.projectName", "");
+          setValue("destinationConfig.groupId", "");
+          setValue("destinationConfig.groupName", "");
+          setValue("destinationConfig.scope", GitLabSyncScope.Project);
+        }}
+      />
+
+      <Controller
+        name="destinationConfig.scope"
+        control={control}
+        defaultValue={GitLabSyncScope.Project}
+        render={({ field: { value, onChange }, fieldState: { error } }) => (
+          <FormControl errorText={error?.message} isError={Boolean(error?.message)} label="Scope">
+            <Select
+              value={value}
+              onValueChange={(val) => {
+                onChange(val);
+                setValue("destinationConfig.projectId", "");
+                setValue("destinationConfig.projectName", "");
+                setValue("destinationConfig.groupId", "");
+                setValue("destinationConfig.groupName", "");
+              }}
+              className="w-full border border-mineshaft-500 capitalize"
+              position="popper"
+              placeholder="Select a scope..."
+              dropdownContainerClassName="max-w-none"
+            >
+              {Object.values(GitLabSyncScope).map((projectScope) => (
+                <SelectItem className="capitalize" value={projectScope} key={projectScope}>
+                  {projectScope.replace("-", " ")}
+                </SelectItem>
+              ))}
+            </Select>
+          </FormControl>
+        )}
+      />
+
+      {scope === GitLabSyncScope.Group && (
+        <Controller
+          name="destinationConfig.groupId"
+          control={control}
+          render={({ field: { value, onChange }, fieldState: { error } }) => (
+            <FormControl
+              isError={Boolean(error)}
+              errorText={error?.message}
+              label="Group"
+              helperText={
+                <Tooltip
+                  className="max-w-md"
+                  content="Ensure the group exists in the connection's GitLab instance URL."
+                >
+                  <div>
+                    <span>Don&#39;t see the group you&#39;re looking for?</span>{" "}
+                    <FontAwesomeIcon icon={faCircleInfo} className="text-mineshaft-400" />
+                  </div>
+                </Tooltip>
+              }
+            >
+              <FilterableSelect
+                menuPlacement="top"
+                isLoading={isGroupsLoading && Boolean(connectionId)}
+                isDisabled={!connectionId}
+                value={groups?.find((group) => group.id === value) ?? null}
+                onChange={(option) => {
+                  onChange((option as SingleValue<TGitLabGroup>)?.id ?? "");
+                  setValue(
+                    "destinationConfig.groupName",
+                    (option as SingleValue<TGitLabGroup>)?.name ?? ""
+                  );
+                }}
+                options={groups}
+                placeholder="Select a group..."
+                getOptionLabel={(option) => option.name}
+                getOptionValue={(option) => option.id}
+              />
+            </FormControl>
+          )}
+        />
+      )}
+
+      {scope === GitLabSyncScope.Project && (
+        <Controller
+          name="destinationConfig.projectId"
+          control={control}
+          render={({ field: { value, onChange }, fieldState: { error } }) => (
+            <FormControl
+              isError={Boolean(error)}
+              errorText={error?.message}
+              label="GitLab Project"
+              helperText={
+                <Tooltip
+                  className="max-w-md"
+                  content="Ensure the project exists in the connection's GitLab instance URL and the connection has access to it."
+                >
+                  <div>
+                    <span>Don&#39;t see the project you&#39;re looking for?</span>{" "}
+                    <FontAwesomeIcon icon={faCircleInfo} className="text-mineshaft-400" />
+                  </div>
+                </Tooltip>
+              }
+            >
+              <FilterableSelect
+                menuPlacement="top"
+                isLoading={isProjectsLoading && Boolean(connectionId)}
+                isDisabled={!connectionId}
+                value={projects?.find((project) => project.id === value) ?? null}
+                onChange={(option) => {
+                  onChange((option as SingleValue<TGitLabProject>)?.id ?? "");
+                  setValue(
+                    "destinationConfig.projectName",
+                    (option as SingleValue<TGitLabProject>)?.name ?? ""
+                  );
+                }}
+                options={projects}
+                placeholder="Select a project..."
+                getOptionLabel={(option) => option.name}
+                getOptionValue={(option) => option.id}
+              />
+            </FormControl>
+          )}
+        />
+      )}
+
+      <Controller
+        control={control}
+        defaultValue=""
+        name="destinationConfig.targetEnvironment"
+        render={({ field, fieldState: { error } }) => (
+          <FormControl
+            label="GitLab Environment Scope (Optional)"
+            isError={Boolean(error)}
+            errorText={error?.message}
+          >
+            <Input {...field} placeholder="*" />
+          </FormControl>
+        )}
+      />
+
+      {/* Secret Protection Settings Section */}
+      <div className="mt-6">
+        <div className="space-y-4">
+          <Controller
+            control={control}
+            name="destinationConfig.shouldProtectSecrets"
+            render={({ field: { onChange, value } }) => (
+              <SecretProtectionOption
+                id="should-protect-secrets"
+                title="Mark secrets as Protected"
+                isEnabled={value || false}
+                onChange={onChange}
+              />
+            )}
+          />
+
+          <Controller
+            control={control}
+            name="destinationConfig.shouldMaskSecrets"
+            render={({ field: { onChange, value } }) => (
+              <SecretProtectionOption
+                id="should-mask-secrets"
+                title="Mark secrets as Masked"
+                tooltip="GitLab has limitations for masked variables: secrets must be at least 8 characters long and not match existing CI/CD variable names. Secrets not meeting these criteria won't be masked."
+                isEnabled={value || false}
+                onChange={(checked) => {
+                  onChange(checked);
+                  if (!checked) {
+                    setValue("destinationConfig.shouldHideSecrets", false);
+                  }
+                }}
+              />
+            )}
+          />
+
+          <Controller
+            control={control}
+            name="destinationConfig.shouldHideSecrets"
+            render={({ field: { onChange, value } }) => (
+              <div className="max-h-32 opacity-100 transition-all duration-300">
+                <SecretProtectionOption
+                  id="should-hide-secrets"
+                  title="Mark secrets as Hidden"
+                  tooltip="Secrets can only be marked as hidden if they are also masked. If this is enabled, Infisical will not be able to unhide/unmask secrets from the sync destination if you disable the option later."
+                  isEnabled={value || false}
+                  onChange={onChange}
+                  isDisabled={!shouldMaskSecrets}
+                />
+              </div>
+            )}
+          />
+        </div>
+      </div>
+    </div>
+  );
+};

frontend/src/components/secret-syncs/forms/SecretSyncDestinationFields/SecretSyncDestinationFields.tsx

@@ -15,6 +15,7 @@ import { DatabricksSyncFields } from "./DatabricksSyncFields";
 import { FlyioSyncFields } from "./FlyioSyncFields";
 import { GcpSyncFields } from "./GcpSyncFields";
 import { GitHubSyncFields } from "./GitHubSyncFields";
+import { GitLabSyncFields } from "./GitLabSyncFields";
 import { HCVaultSyncFields } from "./HCVaultSyncFields";
 import { HerokuSyncFields } from "./HerokuSyncFields";
 import { HumanitecSyncFields } from "./HumanitecSyncFields";
@@ -71,6 +72,8 @@ export const SecretSyncDestinationFields = () => {
       return <RenderSyncFields />;
     case SecretSync.Flyio:
       return <FlyioSyncFields />;
+    case SecretSync.GitLab:
+      return <GitLabSyncFields />;
     case SecretSync.CloudflarePages:
       return <CloudflarePagesSyncFields />;
     default:

frontend/src/components/secret-syncs/forms/SecretSyncOptionsFields/SecretSyncOptionsFields.tsx

@@ -55,6 +55,7 @@ export const SecretSyncOptionsFields = ({ hideInitialSync }: Props) => {
     case SecretSync.Heroku:
     case SecretSync.Render:
     case SecretSync.Flyio:
+    case SecretSync.GitLab:
     case SecretSync.CloudflarePages:
       AdditionalSyncOptionsFieldsComponent = null;
       break;

frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/GitLabSyncReviewFields.tsx

@@ -0,0 +1,37 @@
+import { useFormContext } from "react-hook-form";
+
+import { GenericFieldLabel } from "@app/components/secret-syncs";
+import { TSecretSyncForm } from "@app/components/secret-syncs/forms/schemas";
+import { SecretSync } from "@app/hooks/api/secretSyncs";
+import { GitLabSyncScope } from "@app/hooks/api/secretSyncs/types/gitlab-sync";
+
+export const GitLabSyncReviewFields = () => {
+  const { watch } = useFormContext<TSecretSyncForm & { destination: SecretSync.GitLab }>();
+  const projectName = watch("destinationConfig.projectName");
+  const targetEnvironment = watch("destinationConfig.targetEnvironment");
+  const groupName = watch("destinationConfig.groupName");
+  const scope = watch("destinationConfig.scope");
+  const shouldProtectSecrets = watch("destinationConfig.shouldProtectSecrets");
+  const shouldMaskSecrets = watch("destinationConfig.shouldMaskSecrets");
+  const shouldHideSecrets = watch("destinationConfig.shouldHideSecrets");
+
+  return (
+    <>
+      <GenericFieldLabel label="Scope">{scope}</GenericFieldLabel>
+      {scope === GitLabSyncScope.Project && (
+        <GenericFieldLabel label="Project Name">{projectName}</GenericFieldLabel>
+      )}
+      {scope === GitLabSyncScope.Group && (
+        <GenericFieldLabel label="Group Name">{groupName}</GenericFieldLabel>
+      )}
+      {targetEnvironment && (
+        <GenericFieldLabel label="Environment">{targetEnvironment}</GenericFieldLabel>
+      )}
+      <GenericFieldLabel label="Protect Secrets">
+        {shouldProtectSecrets ? "Yes" : "No"}
+      </GenericFieldLabel>
+      <GenericFieldLabel label="Mask Secrets">{shouldMaskSecrets ? "Yes" : "No"}</GenericFieldLabel>
+      <GenericFieldLabel label="Hide Secrets">{shouldHideSecrets ? "Yes" : "No"}</GenericFieldLabel>
+    </>
+  );
+};

frontend/src/components/secret-syncs/forms/SecretSyncReviewFields/SecretSyncReviewFields.tsx

@@ -24,6 +24,7 @@ import { DatabricksSyncReviewFields } from "./DatabricksSyncReviewFields";
 import { FlyioSyncReviewFields } from "./FlyioSyncReviewFields";
 import { GcpSyncReviewFields } from "./GcpSyncReviewFields";
 import { GitHubSyncReviewFields } from "./GitHubSyncReviewFields";
+import { GitLabSyncReviewFields } from "./GitLabSyncReviewFields";
 import { HCVaultSyncReviewFields } from "./HCVaultSyncReviewFields";
 import { HerokuSyncReviewFields } from "./HerokuSyncReviewFields";
 import { HumanitecSyncReviewFields } from "./HumanitecSyncReviewFields";
@@ -117,6 +118,9 @@ export const SecretSyncReviewFields = () => {
     case SecretSync.Flyio:
       DestinationFieldsComponent = <FlyioSyncReviewFields />;
       break;
+    case SecretSync.GitLab:
+      DestinationFieldsComponent = <GitLabSyncReviewFields />;
+      break;
     case SecretSync.CloudflarePages:
       DestinationFieldsComponent = <CloudflarePagesSyncReviewFields />;
       break;

frontend/src/components/secret-syncs/forms/schemas/gitlab-sync-destination-schema.ts

@@ -0,0 +1,31 @@
+import { z } from "zod";
+
+import { BaseSecretSyncSchema } from "@app/components/secret-syncs/forms/schemas/base-secret-sync-schema";
+import { SecretSync } from "@app/hooks/api/secretSyncs";
+import { GitLabSyncScope } from "@app/hooks/api/secretSyncs/types/gitlab-sync";
+
+export const GitlabSyncDestinationSchema = BaseSecretSyncSchema().merge(
+  z.object({
+    destination: z.literal(SecretSync.GitLab),
+    destinationConfig: z.discriminatedUnion("scope", [
+      z.object({
+        scope: z.literal(GitLabSyncScope.Project),
+        projectId: z.string().trim().min(1, "Project ID required"),
+        projectName: z.string().trim().min(1, "Project name required"),
+        targetEnvironment: z.string().optional(),
+        shouldProtectSecrets: z.boolean().optional().default(false),
+        shouldMaskSecrets: z.boolean().optional().default(false),
+        shouldHideSecrets: z.boolean().optional().default(false)
+      }),
+      z.object({
+        scope: z.literal(GitLabSyncScope.Group),
+        targetEnvironment: z.string().optional(),
+        groupId: z.string().trim().min(1, "Group ID required"),
+        groupName: z.string().trim().min(1, "Group name required"),
+        shouldProtectSecrets: z.boolean().optional().default(false),
+        shouldMaskSecrets: z.boolean().optional().default(false),
+        shouldHideSecrets: z.boolean().optional().default(false)
+      })
+    ])
+  })
+);

frontend/src/components/secret-syncs/forms/schemas/secret-sync-schema.ts

@@ -12,6 +12,7 @@ import { DatabricksSyncDestinationSchema } from "./databricks-sync-destination-s
 import { FlyioSyncDestinationSchema } from "./flyio-sync-destination-schema";
 import { GcpSyncDestinationSchema } from "./gcp-sync-destination-schema";
 import { GitHubSyncDestinationSchema } from "./github-sync-destination-schema";
+import { GitlabSyncDestinationSchema } from "./gitlab-sync-destination-schema";
 import { HCVaultSyncDestinationSchema } from "./hc-vault-sync-destination-schema";
 import { HerokuSyncDestinationSchema } from "./heroku-sync-destination-schema";
 import { HumanitecSyncDestinationSchema } from "./humanitec-sync-destination-schema";
@@ -43,6 +44,7 @@ const SecretSyncUnionSchema = z.discriminatedUnion("destination", [
   HerokuSyncDestinationSchema,
   RenderSyncDestinationSchema,
   FlyioSyncDestinationSchema,
+  GitlabSyncDestinationSchema,
   CloudflarePagesSyncDestinationSchema
 ]);
 

frontend/src/helpers/appConnections.ts

@@ -24,6 +24,7 @@ import {
   GcpConnectionMethod,
   GitHubConnectionMethod,
   GitHubRadarConnectionMethod,
+  GitLabConnectionMethod,
   HCVaultConnectionMethod,
   HumanitecConnectionMethod,
   LdapConnectionMethod,
@@ -86,6 +87,7 @@ export const APP_CONNECTION_MAP: Record<
   [AppConnection.Heroku]: { name: "Heroku", image: "Heroku.png" },
   [AppConnection.Render]: { name: "Render", image: "Render.png" },
   [AppConnection.Flyio]: { name: "Fly.io", image: "Flyio.svg" },
+  [AppConnection.Gitlab]: { name: "GitLab", image: "GitLab.png" },
   [AppConnection.Cloudflare]: { name: "Cloudflare", image: "Cloudflare.png" }
 };
 
@@ -100,6 +102,7 @@ export const getAppConnectionMethodDetails = (method: TAppConnection["method"])
     case AzureDevOpsConnectionMethod.OAuth:
     case GitHubConnectionMethod.OAuth:
     case HerokuConnectionMethod.OAuth:
+    case GitLabConnectionMethod.OAuth:
       return { name: "OAuth", icon: faPassport };
     case AwsConnectionMethod.AccessKey:
     case OCIConnectionMethod.AccessKey:

frontend/src/helpers/secretSyncs.ts

@@ -74,6 +74,10 @@ export const SECRET_SYNC_MAP: Record<SecretSync, { name: string; image: string }
     name: "Fly.io",
     image: "Flyio.svg"
   },
+  [SecretSync.GitLab]: {
+    name: "GitLab",
+    image: "GitLab.png"
+  },
   [SecretSync.CloudflarePages]: {
     name: "Cloudflare Pages",
     image: "Cloudflare.png"
@@ -101,6 +105,7 @@ export const SECRET_SYNC_CONNECTION_MAP: Record<SecretSync, AppConnection> = {
   [SecretSync.Heroku]: AppConnection.Heroku,
   [SecretSync.Render]: AppConnection.Render,
   [SecretSync.Flyio]: AppConnection.Flyio,
+  [SecretSync.GitLab]: AppConnection.Gitlab,
   [SecretSync.CloudflarePages]: AppConnection.Cloudflare
 };
 

frontend/src/hooks/api/appConnections/enums.ts

@@ -26,5 +26,6 @@ export enum AppConnection {
   Heroku = "heroku",
   Render = "render",
   Flyio = "flyio",
+  Gitlab = "gitlab",
   Cloudflare = "cloudflare"
 }

frontend/src/hooks/api/appConnections/gitlab/index.ts

@@ -0,0 +1,2 @@
+export * from "./queries";
+export * from "./types";

frontend/src/hooks/api/appConnections/gitlab/queries.tsx

@@ -0,0 +1,64 @@
+import { useQuery, UseQueryOptions } from "@tanstack/react-query";
+
+import { apiRequest } from "@app/config/request";
+
+import { appConnectionKeys } from "../queries";
+import { TGitLabGroup, TGitLabProject } from "./types";
+
+const gitlabConnectionKeys = {
+  all: [...appConnectionKeys.all, "gitlab"] as const,
+  listProjects: (connectionId: string) =>
+    [...gitlabConnectionKeys.all, "projects", connectionId] as const,
+  listGroups: (connectionId: string) =>
+    [...gitlabConnectionKeys.all, "groups", connectionId] as const
+};
+
+export const useGitlabConnectionListProjects = (
+  connectionId: string,
+  options?: Omit<
+    UseQueryOptions<
+      TGitLabProject[],
+      unknown,
+      TGitLabProject[],
+      ReturnType<typeof gitlabConnectionKeys.listProjects>
+    >,
+    "queryKey" | "queryFn"
+  >
+) => {
+  return useQuery({
+    queryKey: gitlabConnectionKeys.listProjects(connectionId),
+    queryFn: async () => {
+      const { data } = await apiRequest.get<TGitLabProject[]>(
+        `/api/v1/app-connections/gitlab/${connectionId}/projects`
+      );
+
+      return data;
+    },
+    ...options
+  });
+};
+
+export const useGitlabConnectionListGroups = (
+  connectionId: string,
+  options?: Omit<
+    UseQueryOptions<
+      TGitLabGroup[],
+      unknown,
+      TGitLabGroup[],
+      ReturnType<typeof gitlabConnectionKeys.listGroups>
+    >,
+    "queryKey" | "queryFn"
+  >
+) => {
+  return useQuery({
+    queryKey: gitlabConnectionKeys.listGroups(connectionId),
+    queryFn: async () => {
+      const { data } = await apiRequest.get<TGitLabGroup[]>(
+        `/api/v1/app-connections/gitlab/${connectionId}/groups`
+      );
+
+      return data;
+    },
+    ...options
+  });
+};

frontend/src/hooks/api/appConnections/gitlab/types.ts

@@ -0,0 +1,14 @@
+export type TGitLabProject = {
+  id: string;
+  name: string;
+};
+
+export type TGitLabGroup = {
+  id: string;
+  name: string;
+};
+
+export enum GitLabAccessTokenType {
+  Personal = "personal",
+  Project = "project"
+}

frontend/src/hooks/api/appConnections/types/app-options.ts

@@ -123,6 +123,11 @@ export type TFlyioConnectionOption = TAppConnectionOptionBase & {
   app: AppConnection.Flyio;
 };
 
+export type TGitlabConnectionOption = TAppConnectionOptionBase & {
+  app: AppConnection.Gitlab;
+  oauthClientId?: string;
+};
+
 export type TCloudflareConnectionOption = TAppConnectionOptionBase & {
   app: AppConnection.Cloudflare;
 };
@@ -153,6 +158,7 @@ export type TAppConnectionOption =
   | THerokuConnectionOption
   | TRenderConnectionOption
   | TFlyioConnectionOption
+  | TGitlabConnectionOption
   | TCloudflareConnectionOption;
 
 export type TAppConnectionOptionMap = {
@@ -183,5 +189,6 @@ export type TAppConnectionOptionMap = {
   [AppConnection.Heroku]: THerokuConnectionOption;
   [AppConnection.Render]: TRenderConnectionOption;
   [AppConnection.Flyio]: TFlyioConnectionOption;
+  [AppConnection.Gitlab]: TGitlabConnectionOption;
   [AppConnection.Cloudflare]: TCloudflareConnectionOption;
 };

frontend/src/hooks/api/appConnections/types/gitlab-connection.ts

@@ -0,0 +1,27 @@
+import { AppConnection } from "@app/hooks/api/appConnections/enums";
+import { TRootAppConnection } from "@app/hooks/api/appConnections/types/root-connection";
+
+import { GitLabAccessTokenType } from "../gitlab";
+
+export enum GitLabConnectionMethod {
+  AccessToken = "access-token",
+  OAuth = "oauth"
+}
+
+export type TGitLabConnection = TRootAppConnection & { app: AppConnection.Gitlab } & (
+    | {
+        method: GitLabConnectionMethod.AccessToken;
+        credentials: {
+          instanceUrl?: string;
+          accessToken: string;
+          accessTokenType: GitLabAccessTokenType;
+        };
+      }
+    | {
+        method: GitLabConnectionMethod.OAuth;
+        credentials: {
+          code: string;
+          instanceUrl?: string;
+        };
+      }
+  );

frontend/src/hooks/api/appConnections/types/index.ts

@@ -14,6 +14,7 @@ import { TFlyioConnection } from "./flyio-connection";
 import { TGcpConnection } from "./gcp-connection";
 import { TGitHubConnection } from "./github-connection";
 import { TGitHubRadarConnection } from "./github-radar-connection";
+import { TGitLabConnection } from "./gitlab-connection";
 import { THCVaultConnection } from "./hc-vault-connection";
 import { THerokuConnection } from "./heroku-connection";
 import { THumanitecConnection } from "./humanitec-connection";
@@ -37,11 +38,13 @@ export * from "./azure-client-secrets-connection";
 export * from "./azure-devops-connection";
 export * from "./azure-key-vault-connection";
 export * from "./camunda-connection";
+export * from "./cloudflare-connection";
 export * from "./databricks-connection";
 export * from "./flyio-connection";
 export * from "./gcp-connection";
 export * from "./github-connection";
 export * from "./github-radar-connection";
+export * from "./gitlab-connection";
 export * from "./hc-vault-connection";
 export * from "./heroku-connection";
 export * from "./humanitec-connection";
@@ -56,7 +59,6 @@ export * from "./teamcity-connection";
 export * from "./terraform-cloud-connection";
 export * from "./vercel-connection";
 export * from "./windmill-connection";
-export * from "./cloudflare-connection";
 
 export type TAppConnection =
   | TAwsConnection
@@ -86,6 +88,7 @@ export type TAppConnection =
   | THerokuConnection
   | TRenderConnection
   | TFlyioConnection
+  | TGitLabConnection
   | TCloudflareConnection;
 
 export type TAvailableAppConnection = Pick<TAppConnection, "name" | "id">;
@@ -141,5 +144,6 @@ export type TAppConnectionMap = {
   [AppConnection.Heroku]: THerokuConnection;
   [AppConnection.Render]: TRenderConnection;
   [AppConnection.Flyio]: TFlyioConnection;
+  [AppConnection.Gitlab]: TGitLabConnection;
   [AppConnection.Cloudflare]: TCloudflareConnection;
 };

frontend/src/hooks/api/secretSyncs/enums.ts

@@ -19,6 +19,7 @@ export enum SecretSync {
   Heroku = "heroku",
   Render = "render",
   Flyio = "flyio",
+  GitLab = "gitlab",
   CloudflarePages = "cloudflare-pages"
 }
 

frontend/src/hooks/api/secretSyncs/types/gitlab-sync.ts

@@ -0,0 +1,36 @@
+import { AppConnection } from "@app/hooks/api/appConnections/enums";
+import { SecretSync } from "@app/hooks/api/secretSyncs";
+import { TRootSecretSync } from "@app/hooks/api/secretSyncs/types/root-sync";
+
+export enum GitLabSyncScope {
+  Project = "project",
+  Group = "group"
+}
+
+export type TGitLabSync = TRootSecretSync & {
+  destination: SecretSync.GitLab;
+  destinationConfig:
+    | {
+        scope: GitLabSyncScope.Project;
+        projectId: string;
+        projectName: string;
+        targetEnvironment?: string;
+        shouldProtectSecrets?: boolean;
+        shouldMaskSecrets?: boolean;
+        shouldHideSecrets?: boolean;
+      }
+    | {
+        scope: GitLabSyncScope.Group;
+        groupId: string;
+        groupName: string;
+        targetEnvironment?: string;
+        shouldProtectSecrets?: boolean;
+        shouldMaskSecrets?: boolean;
+        shouldHideSecrets?: boolean;
+      };
+  connection: {
+    app: AppConnection.Gitlab;
+    name: string;
+    id: string;
+  };
+};

frontend/src/hooks/api/secretSyncs/types/index.ts

@@ -14,6 +14,7 @@ import { TDatabricksSync } from "./databricks-sync";
 import { TFlyioSync } from "./flyio-sync";
 import { TGcpSync } from "./gcp-sync";
 import { TGitHubSync } from "./github-sync";
+import { TGitLabSync } from "./gitlab-sync";
 import { THCVaultSync } from "./hc-vault-sync";
 import { THerokuSync } from "./heroku-sync";
 import { THumanitecSync } from "./humanitec-sync";
@@ -51,6 +52,7 @@ export type TSecretSync =
   | THerokuSync
   | TRenderSync
   | TFlyioSync
+  | TGitLabSync
   | TCloudflarePagesSync;
 
 export type TListSecretSyncs = { secretSyncs: TSecretSync[] };

frontend/src/pages/organization/AppConnections/AppConnectionsPage/components/AppConnectionForm/AppConnectionForm.tsx

@@ -23,6 +23,7 @@ import { FlyioConnectionForm } from "./FlyioConnectionForm";
 import { GcpConnectionForm } from "./GcpConnectionForm";
 import { GitHubConnectionForm } from "./GitHubConnectionForm";
 import { GitHubRadarConnectionForm } from "./GitHubRadarConnectionForm";
+import { GitLabConnectionForm } from "./GitLabConnectionForm";
 import { HCVaultConnectionForm } from "./HCVaultConnectionForm";
 import { HerokuConnectionForm } from "./HerokuAppConnectionForm";
 import { HumanitecConnectionForm } from "./HumanitecConnectionForm";
@@ -129,6 +130,8 @@ const CreateForm = ({ app, onComplete }: CreateFormProps) => {
       return <RenderConnectionForm onSubmit={onSubmit} />;
     case AppConnection.Flyio:
       return <FlyioConnectionForm onSubmit={onSubmit} />;
+    case AppConnection.Gitlab:
+      return <GitLabConnectionForm onSubmit={onSubmit} />;
     case AppConnection.Cloudflare:
       return <CloudflareConnectionForm onSubmit={onSubmit} />;
     default:
@@ -221,6 +224,8 @@ const UpdateForm = ({ appConnection, onComplete }: UpdateFormProps) => {
       return <RenderConnectionForm onSubmit={onSubmit} appConnection={appConnection} />;
     case AppConnection.Flyio:
       return <FlyioConnectionForm onSubmit={onSubmit} appConnection={appConnection} />;
+    case AppConnection.Gitlab:
+      return <GitLabConnectionForm onSubmit={onSubmit} appConnection={appConnection} />;
     case AppConnection.Cloudflare:
       return <CloudflareConnectionForm onSubmit={onSubmit} appConnection={appConnection} />;
     default:

frontend/src/pages/organization/AppConnections/AppConnectionsPage/components/AppConnectionForm/GitLabConnectionForm.tsx

@@ -0,0 +1,335 @@
+/* eslint-disable no-case-declarations */
+/* eslint-disable no-nested-ternary */
+import crypto from "crypto";
+
+import { useState } from "react";
+import { Controller, FormProvider, useForm } from "react-hook-form";
+import { zodResolver } from "@hookform/resolvers/zod";
+import { z } from "zod";
+
+import {
+  Button,
+  FormControl,
+  Input,
+  ModalClose,
+  SecretInput,
+  Select,
+  SelectItem
+} from "@app/components/v2";
+import { APP_CONNECTION_MAP, getAppConnectionMethodDetails } from "@app/helpers/appConnections";
+import { isInfisicalCloud } from "@app/helpers/platform";
+import { useGetAppConnectionOption } from "@app/hooks/api/appConnections";
+import { AppConnection } from "@app/hooks/api/appConnections/enums";
+import { GitLabAccessTokenType } from "@app/hooks/api/appConnections/gitlab";
+import {
+  GitLabConnectionMethod,
+  TGitLabConnection
+} from "@app/hooks/api/appConnections/types/gitlab-connection";
+
+import {
+  genericAppConnectionFieldsSchema,
+  GenericAppConnectionsFields
+} from "./GenericAppConnectionFields";
+
+type Props = {
+  appConnection?: TGitLabConnection;
+  onSubmit: (formData: FormData) => Promise<void>;
+};
+
+const formSchema = z.discriminatedUnion("method", [
+  genericAppConnectionFieldsSchema.extend({
+    app: z.literal(AppConnection.Gitlab),
+    method: z.literal(GitLabConnectionMethod.AccessToken),
+    credentials: z.object({
+      accessToken: z.string().min(1, "Access token is required"),
+      accessTokenType: z.nativeEnum(GitLabAccessTokenType),
+      instanceUrl: z
+        .string()
+        .trim()
+        .transform((value) => value || undefined)
+        .refine((value) => (!value ? true : z.string().url().safeParse(value).success), {
+          message: "Invalid instance URL"
+        })
+        .optional()
+    })
+  }),
+  genericAppConnectionFieldsSchema.extend({
+    app: z.literal(AppConnection.Gitlab),
+    method: z.literal(GitLabConnectionMethod.OAuth),
+    credentials: z.object({
+      code: z.string().min(1, "Code is required"),
+      instanceUrl: z
+        .string()
+        .trim()
+        .transform((value) => value || undefined)
+        .refine((value) => (!value ? true : z.string().url().safeParse(value).success), {
+          message: "Invalid instance URL"
+        })
+        .optional()
+    })
+  })
+]);
+
+type FormData = z.infer<typeof formSchema>;
+
+export const GitLabConnectionForm = ({ appConnection, onSubmit: formSubmit }: Props) => {
+  const isUpdate = Boolean(appConnection);
+  const [isRedirecting, setIsRedirecting] = useState(false);
+
+  const {
+    option: { oauthClientId },
+    isLoading
+  } = useGetAppConnectionOption(AppConnection.Gitlab);
+
+  const form = useForm<FormData>({
+    resolver: zodResolver(formSchema),
+    defaultValues:
+      appConnection?.method === GitLabConnectionMethod.OAuth
+        ? { ...appConnection, credentials: { code: "custom" } }
+        : (appConnection ??
+          ({
+            app: AppConnection.Gitlab,
+            method: GitLabConnectionMethod.AccessToken,
+            credentials: {
+              accessToken: "",
+              accessTokenType: GitLabAccessTokenType.Personal,
+              instanceUrl: ""
+            }
+          } as FormData))
+  });
+
+  const {
+    handleSubmit,
+    control,
+    watch,
+    setValue,
+    formState: { isSubmitting, isDirty }
+  } = form;
+
+  const selectedMethod = watch("method");
+  const gitLabURL = watch("credentials.instanceUrl");
+
+  const onSubmit = async (formData: FormData) => {
+    try {
+      switch (formData.method) {
+        case GitLabConnectionMethod.AccessToken:
+          await formSubmit(formData);
+          break;
+
+        case GitLabConnectionMethod.OAuth:
+          if (!oauthClientId) {
+            return;
+          }
+          setIsRedirecting(true);
+
+          // Generate CSRF token
+          const state = crypto.randomBytes(16).toString("hex");
+
+          // Store state and form data for callback
+          localStorage.setItem("latestCSRFToken", state);
+          localStorage.setItem(
+            "gitlabConnectionFormData",
+            JSON.stringify({
+              ...formData,
+              connectionId: appConnection?.id,
+              isUpdate
+            })
+          );
+
+          // Redirect to Gitlab OAuth
+          const baseURL =
+            gitLabURL && (gitLabURL as string)?.trim() !== ""
+              ? (gitLabURL as string)?.trim()
+              : "https://gitlab.com";
+          const oauthUrl = new URL(`${baseURL}/oauth/authorize`);
+          oauthUrl.searchParams.set("client_id", oauthClientId);
+          oauthUrl.searchParams.set(
+            "redirect_uri",
+            `${window.location.origin}/organization/app-connections/gitlab/oauth/callback`
+          );
+          oauthUrl.searchParams.set("response_type", "code");
+          oauthUrl.searchParams.set("state", state);
+
+          window.location.assign(oauthUrl.toString());
+          break;
+
+        default:
+          throw new Error("Unhandled GitLab Connection method");
+      }
+    } catch (error) {
+      console.error("Error handling form submission:", error);
+      setIsRedirecting(false);
+    }
+  };
+
+  let isMissingConfig: boolean;
+
+  switch (selectedMethod) {
+    case GitLabConnectionMethod.OAuth:
+      isMissingConfig = !oauthClientId;
+      break;
+    case GitLabConnectionMethod.AccessToken:
+      isMissingConfig = false;
+      break;
+    default:
+      throw new Error(`Unhandled GitLab Connection method: ${selectedMethod}`);
+  }
+
+  const methodDetails = getAppConnectionMethodDetails(selectedMethod);
+
+  return (
+    <FormProvider {...form}>
+      <form onSubmit={handleSubmit(onSubmit)}>
+        {!isUpdate && <GenericAppConnectionsFields />}
+
+        <Controller
+          name="credentials.instanceUrl"
+          control={control}
+          render={({ field: { value, onChange }, fieldState: { error } }) => (
+            <FormControl
+              label="Self-hosted URL (optional)"
+              errorText={error?.message}
+              isError={Boolean(error?.message)}
+              tooltipText="Will default to GitLab Cloud if not specified."
+            >
+              <Input
+                value={value}
+                onChange={(e) => onChange(e.target.value)}
+                placeholder="https://gitlab.com"
+              />
+            </FormControl>
+          )}
+        />
+
+        <Controller
+          name="method"
+          control={control}
+          render={({ field: { value, onChange }, fieldState: { error } }) => (
+            <FormControl
+              tooltipText={`The method you would like to use to connect with ${
+                APP_CONNECTION_MAP[AppConnection.Gitlab].name
+              }. This field cannot be changed after creation.`}
+              errorText={
+                !isLoading && isMissingConfig && selectedMethod === GitLabConnectionMethod.OAuth
+                  ? `Environment variables have not been configured. ${
+                      isInfisicalCloud()
+                        ? "Please contact Infisical."
+                        : `See Docs to configure GitLab ${methodDetails.name} Connections.`
+                    }`
+                  : error?.message
+              }
+              isError={Boolean(error?.message) || isMissingConfig}
+              label="Method"
+            >
+              <Select
+                isDisabled={isUpdate}
+                value={value}
+                onValueChange={(val) => {
+                  onChange(val);
+                  if (val === GitLabConnectionMethod.OAuth) {
+                    setValue("credentials.code", "custom");
+                  }
+                }}
+                className="w-full border border-mineshaft-500"
+                position="popper"
+                dropdownContainerClassName="max-w-none"
+              >
+                {Object.values(GitLabConnectionMethod).map((method) => {
+                  return (
+                    <SelectItem value={method} key={method}>
+                      {getAppConnectionMethodDetails(method).name}{" "}
+                      {method === GitLabConnectionMethod.AccessToken ? " (Recommended)" : ""}
+                    </SelectItem>
+                  );
+                })}
+              </Select>
+            </FormControl>
+          )}
+        />
+
+        {selectedMethod === GitLabConnectionMethod.AccessToken && (
+          <>
+            <Controller
+              name="credentials.accessTokenType"
+              control={control}
+              render={({ field: { value, onChange }, fieldState: { error } }) => (
+                <FormControl
+                  errorText={error?.message}
+                  isError={Boolean(error?.message)}
+                  label="Access Token Type"
+                >
+                  <Select
+                    isDisabled={isUpdate}
+                    value={value}
+                    onValueChange={(val) => {
+                      onChange(val);
+                      if (val === GitLabConnectionMethod.OAuth) {
+                        setValue("credentials.code", "custom");
+                      }
+                    }}
+                    className="w-full border border-mineshaft-500"
+                    position="popper"
+                    dropdownContainerClassName="max-w-none"
+                  >
+                    {Object.values(GitLabAccessTokenType).map((method) => {
+                      return (
+                        <SelectItem value={method} key={method}>
+                          {method.charAt(0).toUpperCase() + method.slice(1)} Access Token
+                        </SelectItem>
+                      );
+                    })}
+                  </Select>
+                </FormControl>
+              )}
+            />
+            <Controller
+              name="credentials.accessToken"
+              control={control}
+              render={({ field: { value, onChange }, fieldState: { error } }) => (
+                <FormControl
+                  label="Access Token"
+                  errorText={error?.message}
+                  isError={Boolean(error?.message)}
+                  tooltipText="Your GitLab Access Token"
+                >
+                  <SecretInput
+                    containerClassName="text-gray-400 group-focus-within:!border-primary-400/50 border border-mineshaft-500 bg-mineshaft-900 px-2.5 py-1.5"
+                    value={value}
+                    onChange={(e) => onChange(e.target.value)}
+                  />
+                </FormControl>
+              )}
+            />
+          </>
+        )}
+
+        <div className="mt-8 flex items-center">
+          <Button
+            className="mr-4"
+            size="sm"
+            type="submit"
+            colorSchema="secondary"
+            isLoading={isSubmitting || isRedirecting}
+            isDisabled={
+              isSubmitting ||
+              (!isUpdate && !isDirty) ||
+              (isMissingConfig && selectedMethod === GitLabConnectionMethod.OAuth) ||
+              isRedirecting
+            }
+          >
+            {isRedirecting && selectedMethod === GitLabConnectionMethod.OAuth
+              ? "Redirecting to GitLab..."
+              : isUpdate
+                ? "Reconnect to GitLab"
+                : "Connect to GitLab"}
+          </Button>
+          <ModalClose asChild>
+            <Button colorSchema="secondary" variant="plain">
+              Cancel
+            </Button>
+          </ModalClose>
+        </div>
+      </form>
+    </FormProvider>
+  );
+};