feat(audit-log-stream): backend rework

2026-09-22 13:39:35 +00:00 · 2025-09-04 15:54:46 -04:00
parent d5e99d7fc6
commit fcb931670a
28 changed files with 1120 additions and 538 deletions
--- a/backend/src/@types/fastify.d.ts
+++ b/backend/src/@types/fastify.d.ts
@@ -7,7 +7,7 @@ import { TAccessApprovalPolicyServiceFactory } from "@app/ee/services/access-app
 import { TAccessApprovalRequestServiceFactory } from "@app/ee/services/access-approval-request/access-approval-request-types";
 import { TAssumePrivilegeServiceFactory } from "@app/ee/services/assume-privilege/assume-privilege-types";
 import { TAuditLogServiceFactory, TCreateAuditLogDTO } from "@app/ee/services/audit-log/audit-log-types";
-import { TAuditLogStreamServiceFactory } from "@app/ee/services/audit-log-stream/audit-log-stream-types";
+import { TAuditLogStreamServiceFactory } from "@app/ee/services/audit-log-stream/audit-log-stream-service";
 import { TCertificateAuthorityCrlServiceFactory } from "@app/ee/services/certificate-authority-crl/certificate-authority-crl-types";
 import { TCertificateEstServiceFactory } from "@app/ee/services/certificate-est/certificate-est-service";
 import { TDynamicSecretServiceFactory } from "@app/ee/services/dynamic-secret/dynamic-secret-types";
--- a/backend/src/db/migrations/20250903191434_audit-log-stream-v2.ts
+++ b/backend/src/db/migrations/20250903191434_audit-log-stream-v2.ts
@@ -0,0 +1,210 @@
+import { Knex } from "knex";
+
+import { inMemoryKeyStore } from "@app/keystore/memory";
+import { crypto } from "@app/lib/crypto/cryptography";
+import { KmsDataKey } from "@app/services/kms/kms-types";
+import { superAdminDALFactory } from "@app/services/super-admin/super-admin-dal";
+
+import { SecretKeyEncoding, TableName } from "../schemas";
+import { getMigrationEnvConfig } from "./utils/env-config";
+import { createCircularCache } from "./utils/ring-buffer";
+import { getMigrationEncryptionServices } from "./utils/services";
+
+const BATCH_SIZE = 500;
+export async function up(knex: Knex): Promise<void> {
+  if (await knex.schema.hasTable(TableName.AuditLogStream)) {
+    const hasProvider = await knex.schema.hasColumn(TableName.AuditLogStream, "provider");
+    const hasEncryptedCredentials = await knex.schema.hasColumn(TableName.AuditLogStream, "encryptedCredentials");
+
+    await knex.schema.alterTable(TableName.AuditLogStream, (t) => {
+      if (!hasProvider) t.string("provider").notNullable().defaultTo("custom");
+      if (!hasEncryptedCredentials) t.binary("encryptedCredentials");
+
+      // This column will no longer be used but we're not dropping it so that we can have a backup in case the migration goes wrong
+      t.string("url").nullable().alter();
+    });
+
+    const superAdminDAL = superAdminDALFactory(knex);
+    const envConfig = await getMigrationEnvConfig(superAdminDAL);
+    const keyStore = inMemoryKeyStore();
+
+    const { kmsService } = await getMigrationEncryptionServices({ envConfig, keyStore, db: knex });
+
+    const orgEncryptionRingBuffer =
+      createCircularCache<Awaited<ReturnType<(typeof kmsService)["createCipherPairWithDataKey"]>>>(25);
+
+    const logStreams = await knex(TableName.AuditLogStream).select(
+      "id",
+      "orgId",
+
+      "url",
+      "encryptedHeadersAlgorithm",
+      "encryptedHeadersCiphertext",
+      "encryptedHeadersIV",
+      "encryptedHeadersKeyEncoding",
+      "encryptedHeadersTag"
+    );
+
+    const updatedLogStreams = await Promise.all(
+      logStreams.map(async (el) => {
+        let orgKmsService = orgEncryptionRingBuffer.getItem(el.orgId);
+        if (!orgKmsService) {
+          orgKmsService = await kmsService.createCipherPairWithDataKey(
+            {
+              type: KmsDataKey.Organization,
+              orgId: el.orgId
+            },
+            knex
+          );
+          orgEncryptionRingBuffer.push(el.orgId, orgKmsService);
+        }
+
+        const provider = "custom";
+        let credentials;
+
+        if (
+          el.encryptedHeadersTag &&
+          el.encryptedHeadersIV &&
+          el.encryptedHeadersCiphertext &&
+          el.encryptedHeadersKeyEncoding
+        ) {
+          const decryptedHeaders = crypto
+            .encryption()
+            .symmetric()
+            .decryptWithRootEncryptionKey({
+              tag: el.encryptedHeadersTag,
+              iv: el.encryptedHeadersIV,
+              ciphertext: el.encryptedHeadersCiphertext,
+              keyEncoding: el.encryptedHeadersKeyEncoding as SecretKeyEncoding
+            });
+
+          credentials = {
+            url: el.url,
+            headers: JSON.parse(decryptedHeaders)
+          };
+        } else {
+          credentials = {
+            url: el.url,
+            headers: []
+          };
+        }
+
+        const encryptedCredentials = orgKmsService.encryptor({
+          plainText: Buffer.from(JSON.stringify(credentials), "utf8")
+        }).cipherTextBlob;
+
+        return {
+          id: el.id,
+          orgId: el.orgId,
+          url: el.url,
+          provider,
+          encryptedCredentials
+        };
+      })
+    );
+
+    for (let i = 0; i < updatedLogStreams.length; i += BATCH_SIZE) {
+      // eslint-disable-next-line no-await-in-loop
+      await knex(TableName.AuditLogStream)
+        .insert(updatedLogStreams.slice(i, i + BATCH_SIZE))
+        .onConflict("id")
+        .merge();
+    }
+
+    await knex.schema.alterTable(TableName.AuditLogStream, (t) => {
+      t.binary("encryptedCredentials").notNullable().alter();
+    });
+  }
+}
+
+// IMPORTANT: The down migration does not utilize the existing "url" and encrypted header columns
+// because we're taking the latest data from the credentials column and re-encrypting it into relevant columns
+//
+// If this down migration was to fail, you can fall-back to the existing URL and encrypted header columns to retrieve
+// data that was created prior to this migration
+
+export async function down(knex: Knex): Promise<void> {
+  if (await knex.schema.hasTable(TableName.AuditLogStream)) {
+    const superAdminDAL = superAdminDALFactory(knex);
+    const envConfig = await getMigrationEnvConfig(superAdminDAL);
+    const keyStore = inMemoryKeyStore();
+
+    const { kmsService } = await getMigrationEncryptionServices({ envConfig, keyStore, db: knex });
+
+    const orgEncryptionRingBuffer =
+      createCircularCache<Awaited<ReturnType<(typeof kmsService)["createCipherPairWithDataKey"]>>>(25);
+
+    const logStreamsToRevert = await knex(TableName.AuditLogStream)
+      .select("id", "orgId", "encryptedCredentials")
+      .where("provider", "custom")
+      .whereNotNull("encryptedCredentials");
+
+    const updatedLogStreams = await Promise.all(
+      logStreamsToRevert.map(async (el) => {
+        let orgKmsService = orgEncryptionRingBuffer.getItem(el.orgId);
+        if (!orgKmsService) {
+          orgKmsService = await kmsService.createCipherPairWithDataKey(
+            {
+              type: KmsDataKey.Organization,
+              orgId: el.orgId
+            },
+            knex
+          );
+          orgEncryptionRingBuffer.push(el.orgId, orgKmsService);
+        }
+
+        const decryptedCredentials = orgKmsService
+          .decryptor({
+            cipherTextBlob: el.encryptedCredentials
+          })
+          .toString();
+
+        const credentials: { url: string; headers: { key: string; value: string }[] } =
+          JSON.parse(decryptedCredentials);
+
+        const originalUrl: string = credentials.url;
+
+        const encryptedHeadersResult = crypto
+          .encryption()
+          .symmetric()
+          .encryptWithRootEncryptionKey(JSON.stringify(credentials.headers), envConfig);
+
+        const encryptedHeadersAlgorithm: string = encryptedHeadersResult.algorithm;
+        const encryptedHeadersCiphertext: string = encryptedHeadersResult.ciphertext;
+        const encryptedHeadersIV: string = encryptedHeadersResult.iv;
+        const encryptedHeadersKeyEncoding: string = encryptedHeadersResult.encoding;
+        const encryptedHeadersTag: string = encryptedHeadersResult.tag;
+
+        return {
+          id: el.id,
+          orgId: el.orgId,
+          encryptedCredentials: el.encryptedCredentials,
+
+          url: originalUrl,
+          encryptedHeadersAlgorithm,
+          encryptedHeadersCiphertext,
+          encryptedHeadersIV,
+          encryptedHeadersKeyEncoding,
+          encryptedHeadersTag
+        };
+      })
+    );
+
+    for (let i = 0; i < updatedLogStreams.length; i += BATCH_SIZE) {
+      // eslint-disable-next-line no-await-in-loop
+      await knex(TableName.AuditLogStream)
+        .insert(updatedLogStreams.slice(i, i + BATCH_SIZE))
+        .onConflict("id")
+        .merge();
+    }
+
+    await knex(TableName.AuditLogStream).whereNot("provider", "custom").orWhereNull("url").del();
+
+    await knex.schema.alterTable(TableName.AuditLogStream, (t) => {
+      t.string("url").notNullable().alter();
+
+      t.dropColumn("provider");
+      t.dropColumn("encryptedCredentials");
+    });
+  }
+}
--- a/backend/src/db/schemas/audit-log-streams.ts
+++ b/backend/src/db/schemas/audit-log-streams.ts
@@ -5,11 +5,13 @@

 import { z } from "zod";

+import { zodBuffer } from "@app/lib/zod";
+
 import { TImmutableDBKeys } from "./models";

 export const AuditLogStreamsSchema = z.object({
  id: z.string().uuid(),
-  url: z.string(),
+  url: z.string().nullable().optional(),
  encryptedHeadersCiphertext: z.string().nullable().optional(),
  encryptedHeadersIV: z.string().nullable().optional(),
  encryptedHeadersTag: z.string().nullable().optional(),
@@ -17,7 +19,9 @@ export const AuditLogStreamsSchema = z.object({
  encryptedHeadersKeyEncoding: z.string().nullable().optional(),
  orgId: z.string().uuid(),
  createdAt: z.date(),
-  updatedAt: z.date()
+  updatedAt: z.date(),
+  provider: z.string().default("custom"),
+  encryptedCredentials: zodBuffer
 });

 export type TAuditLogStreams = z.infer<typeof AuditLogStreamsSchema>;
--- a/backend/src/ee/routes/v1/audit-log-stream-router.ts
+++ b/backend/src/ee/routes/v1/audit-log-stream-router.ts
@@ -1,215 +0,0 @@
-import { z } from "zod";
-
-import { AUDIT_LOG_STREAMS } from "@app/lib/api-docs";
-import { readLimit } from "@app/server/config/rateLimiter";
-import { verifyAuth } from "@app/server/plugins/auth/verify-auth";
-import { SanitizedAuditLogStreamSchema } from "@app/server/routes/sanitizedSchemas";
-import { AuthMode } from "@app/services/auth/auth-type";
-
-export const registerAuditLogStreamRouter = async (server: FastifyZodProvider) => {
-  server.route({
-    method: "POST",
-    url: "/",
-    config: {
-      rateLimit: readLimit
-    },
-    schema: {
-      description: "Create an Audit Log Stream.",
-      security: [
-        {
-          bearerAuth: []
-        }
-      ],
-      body: z.object({
-        url: z.string().min(1).describe(AUDIT_LOG_STREAMS.CREATE.url),
-        headers: z
-          .object({
-            key: z.string().min(1).trim().describe(AUDIT_LOG_STREAMS.CREATE.headers.key),
-            value: z.string().min(1).trim().describe(AUDIT_LOG_STREAMS.CREATE.headers.value)
-          })
-          .describe(AUDIT_LOG_STREAMS.CREATE.headers.desc)
-          .array()
-          .optional()
-      }),
-      response: {
-        200: z.object({
-          auditLogStream: SanitizedAuditLogStreamSchema
-        })
-      }
-    },
-    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
-    handler: async (req) => {
-      const auditLogStream = await server.services.auditLogStream.create({
-        actorId: req.permission.id,
-        actor: req.permission.type,
-        actorOrgId: req.permission.orgId,
-        actorAuthMethod: req.permission.authMethod,
-        url: req.body.url,
-        headers: req.body.headers
-      });
-
-      return { auditLogStream };
-    }
-  });
-
-  server.route({
-    method: "PATCH",
-    url: "/:id",
-    config: {
-      rateLimit: readLimit
-    },
-    schema: {
-      description: "Update an Audit Log Stream by ID.",
-      security: [
-        {
-          bearerAuth: []
-        }
-      ],
-      params: z.object({
-        id: z.string().describe(AUDIT_LOG_STREAMS.UPDATE.id)
-      }),
-      body: z.object({
-        url: z.string().optional().describe(AUDIT_LOG_STREAMS.UPDATE.url),
-        headers: z
-          .object({
-            key: z.string().min(1).trim().describe(AUDIT_LOG_STREAMS.UPDATE.headers.key),
-            value: z.string().min(1).trim().describe(AUDIT_LOG_STREAMS.UPDATE.headers.value)
-          })
-          .describe(AUDIT_LOG_STREAMS.UPDATE.headers.desc)
-          .array()
-          .optional()
-      }),
-      response: {
-        200: z.object({
-          auditLogStream: SanitizedAuditLogStreamSchema
-        })
-      }
-    },
-    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
-    handler: async (req) => {
-      const auditLogStream = await server.services.auditLogStream.updateById({
-        actorId: req.permission.id,
-        actor: req.permission.type,
-        actorOrgId: req.permission.orgId,
-        actorAuthMethod: req.permission.authMethod,
-        id: req.params.id,
-        url: req.body.url,
-        headers: req.body.headers
-      });
-
-      return { auditLogStream };
-    }
-  });
-
-  server.route({
-    method: "DELETE",
-    url: "/:id",
-    config: {
-      rateLimit: readLimit
-    },
-    schema: {
-      description: "Delete an Audit Log Stream by ID.",
-      security: [
-        {
-          bearerAuth: []
-        }
-      ],
-      params: z.object({
-        id: z.string().describe(AUDIT_LOG_STREAMS.DELETE.id)
-      }),
-      response: {
-        200: z.object({
-          auditLogStream: SanitizedAuditLogStreamSchema
-        })
-      }
-    },
-    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
-    handler: async (req) => {
-      const auditLogStream = await server.services.auditLogStream.deleteById({
-        actorId: req.permission.id,
-        actor: req.permission.type,
-        actorOrgId: req.permission.orgId,
-        actorAuthMethod: req.permission.authMethod,
-        id: req.params.id
-      });
-
-      return { auditLogStream };
-    }
-  });
-
-  server.route({
-    method: "GET",
-    url: "/:id",
-    config: {
-      rateLimit: readLimit
-    },
-    schema: {
-      description: "Get an Audit Log Stream by ID.",
-      security: [
-        {
-          bearerAuth: []
-        }
-      ],
-      params: z.object({
-        id: z.string().describe(AUDIT_LOG_STREAMS.GET_BY_ID.id)
-      }),
-      response: {
-        200: z.object({
-          auditLogStream: SanitizedAuditLogStreamSchema.extend({
-            headers: z
-              .object({
-                key: z.string(),
-                value: z.string()
-              })
-              .array()
-              .optional()
-          })
-        })
-      }
-    },
-    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
-    handler: async (req) => {
-      const auditLogStream = await server.services.auditLogStream.getById({
-        actorId: req.permission.id,
-        actor: req.permission.type,
-        actorOrgId: req.permission.orgId,
-        actorAuthMethod: req.permission.authMethod,
-        id: req.params.id
-      });
-
-      return { auditLogStream };
-    }
-  });
-
-  server.route({
-    method: "GET",
-    url: "/",
-    config: {
-      rateLimit: readLimit
-    },
-    schema: {
-      description: "List Audit Log Streams.",
-      security: [
-        {
-          bearerAuth: []
-        }
-      ],
-      response: {
-        200: z.object({
-          auditLogStreams: SanitizedAuditLogStreamSchema.array()
-        })
-      }
-    },
-    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
-    handler: async (req) => {
-      const auditLogStreams = await server.services.auditLogStream.list({
-        actorId: req.permission.id,
-        actor: req.permission.type,
-        actorOrgId: req.permission.orgId,
-        actorAuthMethod: req.permission.authMethod
-      });
-
-      return { auditLogStreams };
-    }
-  });
-};
--- a/backend/src/ee/routes/v1/audit-log-stream-routers/audit-log-stream-endpoints.ts
+++ b/backend/src/ee/routes/v1/audit-log-stream-routers/audit-log-stream-endpoints.ts
@@ -0,0 +1,142 @@
+import { z } from "zod";
+
+import { LogProvider } from "@app/ee/services/audit-log-stream/audit-log-stream-enums";
+import { TAuditLogStream } from "@app/ee/services/audit-log-stream/audit-log-stream-types";
+import { readLimit, writeLimit } from "@app/server/config/rateLimiter";
+import { verifyAuth } from "@app/server/plugins/auth/verify-auth";
+import { AuthMode } from "@app/services/auth/auth-type";
+
+export const registerAuditLogStreamEndpoints = <T extends TAuditLogStream>({
+  server,
+  provider,
+  createSchema,
+  updateSchema,
+  sanitizedResponseSchema
+}: {
+  server: FastifyZodProvider;
+  provider: LogProvider;
+  createSchema: z.ZodType<{
+    credentials: T["credentials"];
+  }>;
+  updateSchema: z.ZodType<{
+    credentials: T["credentials"];
+  }>;
+  sanitizedResponseSchema: z.ZodTypeAny;
+}) => {
+  server.route({
+    method: "GET",
+    url: "/:logStreamId",
+    config: {
+      rateLimit: readLimit
+    },
+    schema: {
+      params: z.object({
+        logStreamId: z.string().uuid()
+      }),
+      response: {
+        200: z.object({
+          auditLogStream: sanitizedResponseSchema
+        })
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
+    handler: async (req) => {
+      const { logStreamId } = req.params;
+
+      const auditLogStream = await server.services.auditLogStream.getById(logStreamId, provider, req.permission);
+
+      return { auditLogStream };
+    }
+  });
+
+  server.route({
+    method: "POST",
+    url: "/",
+    config: {
+      rateLimit: writeLimit
+    },
+    schema: {
+      body: createSchema,
+      response: {
+        200: z.object({
+          auditLogStream: sanitizedResponseSchema
+        })
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
+    handler: async (req) => {
+      const { credentials } = req.body;
+
+      const auditLogStream = await server.services.auditLogStream.create(
+        {
+          provider,
+          credentials
+        },
+        req.permission
+      );
+
+      return { auditLogStream };
+    }
+  });
+
+  server.route({
+    method: "PATCH",
+    url: "/:logStreamId",
+    config: {
+      rateLimit: writeLimit
+    },
+    schema: {
+      params: z.object({
+        logStreamId: z.string().uuid()
+      }),
+      body: updateSchema,
+      response: {
+        200: z.object({
+          auditLogStream: sanitizedResponseSchema
+        })
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
+    handler: async (req) => {
+      const { logStreamId } = req.params;
+      const { credentials } = req.body;
+
+      const auditLogStream = await server.services.auditLogStream.updateById(
+        {
+          logStreamId,
+          provider,
+          credentials
+        },
+        req.permission
+      );
+
+      return { auditLogStream };
+    }
+  });
+
+  server.route({
+    method: "DELETE",
+    url: "/:logStreamId",
+    config: {
+      rateLimit: writeLimit
+    },
+    schema: {
+      params: z.object({
+        logStreamId: z.string().uuid()
+      }),
+      response: {
+        200: z.object({
+          auditLogStream: sanitizedResponseSchema
+        })
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
+    handler: async (req) => {
+      const { logStreamId } = req.params;
+
+      const auditLogStream = await server.services.auditLogStream.deleteById(logStreamId, provider, req.permission);
+
+      return { auditLogStream };
+    }
+  });
+};
--- a/backend/src/ee/routes/v1/audit-log-stream-routers/audit-log-stream-router.ts
+++ b/backend/src/ee/routes/v1/audit-log-stream-routers/audit-log-stream-router.ts
@@ -0,0 +1,73 @@
+import { z } from "zod";
+
+import {
+  CustomProviderListItemSchema,
+  SanitizedCustomProviderSchema
+} from "@app/ee/services/audit-log-stream/custom/custom-provider-schemas";
+import {
+  DatadogProviderListItemSchema,
+  SanitizedDatadogProviderSchema
+} from "@app/ee/services/audit-log-stream/datadog/datadog-provider-schemas";
+import {
+  SanitizedSplunkProviderSchema,
+  SplunkProviderListItemSchema
+} from "@app/ee/services/audit-log-stream/splunk/splunk-provider-schemas";
+import { readLimit } from "@app/server/config/rateLimiter";
+import { verifyAuth } from "@app/server/plugins/auth/verify-auth";
+import { AuthMode } from "@app/services/auth/auth-type";
+
+const SanitizedAuditLogStreamSchema = z.union([
+  SanitizedCustomProviderSchema,
+  SanitizedDatadogProviderSchema,
+  SanitizedSplunkProviderSchema
+]);
+
+const ProviderOptionsSchema = z.discriminatedUnion("provider", [
+  CustomProviderListItemSchema,
+  DatadogProviderListItemSchema,
+  SplunkProviderListItemSchema
+]);
+
+export const registerAuditLogStreamRouter = async (server: FastifyZodProvider) => {
+  server.route({
+    method: "GET",
+    url: "/options",
+    config: {
+      rateLimit: readLimit
+    },
+    schema: {
+      response: {
+        200: z.object({
+          providerOptions: ProviderOptionsSchema.array()
+        })
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
+    handler: () => {
+      const providerOptions = server.services.auditLogStream.listProviderOptions();
+
+      return { providerOptions };
+    }
+  });
+
+  server.route({
+    method: "GET",
+    url: "/",
+    config: {
+      rateLimit: readLimit
+    },
+    schema: {
+      response: {
+        200: z.object({
+          auditLogStreams: SanitizedAuditLogStreamSchema.array()
+        })
+      }
+    },
+    onRequest: verifyAuth([AuthMode.JWT, AuthMode.IDENTITY_ACCESS_TOKEN]),
+    handler: async (req) => {
+      const auditLogStreams = await server.services.auditLogStream.list(req.permission);
+
+      return { auditLogStreams };
+    }
+  });
+};
--- a/backend/src/ee/routes/v1/audit-log-stream-routers/index.ts
+++ b/backend/src/ee/routes/v1/audit-log-stream-routers/index.ts
@@ -0,0 +1,48 @@
+import { LogProvider } from "@app/ee/services/audit-log-stream/audit-log-stream-enums";
+import {
+  CustomProviderSchema,
+  SanitizedCustomProviderSchema
+} from "@app/ee/services/audit-log-stream/custom/custom-provider-schemas";
+import {
+  DatadogProviderSchema,
+  SanitizedDatadogProviderSchema
+} from "@app/ee/services/audit-log-stream/datadog/datadog-provider-schemas";
+import {
+  SanitizedSplunkProviderSchema,
+  SplunkProviderSchema
+} from "@app/ee/services/audit-log-stream/splunk/splunk-provider-schemas";
+
+import { registerAuditLogStreamEndpoints } from "./audit-log-stream-endpoints";
+
+export * from "./audit-log-stream-router";
+
+export const AUDIT_LOG_STREAM_REGISTER_ROUTER_MAP: Record<LogProvider, (server: FastifyZodProvider) => Promise<void>> =
+  {
+    [LogProvider.Custom]: async (server: FastifyZodProvider) => {
+      registerAuditLogStreamEndpoints({
+        server,
+        provider: LogProvider.Custom,
+        sanitizedResponseSchema: SanitizedCustomProviderSchema,
+        createSchema: CustomProviderSchema,
+        updateSchema: CustomProviderSchema
+      });
+    },
+    [LogProvider.Datadog]: async (server: FastifyZodProvider) => {
+      registerAuditLogStreamEndpoints({
+        server,
+        provider: LogProvider.Datadog,
+        sanitizedResponseSchema: SanitizedDatadogProviderSchema,
+        createSchema: DatadogProviderSchema,
+        updateSchema: DatadogProviderSchema
+      });
+    },
+    [LogProvider.Splunk]: async (server: FastifyZodProvider) => {
+      registerAuditLogStreamEndpoints({
+        server,
+        provider: LogProvider.Splunk,
+        sanitizedResponseSchema: SanitizedSplunkProviderSchema,
+        createSchema: SplunkProviderSchema,
+        updateSchema: SplunkProviderSchema
+      });
+    }
+  };
--- a/backend/src/ee/routes/v1/index.ts
+++ b/backend/src/ee/routes/v1/index.ts
@@ -3,7 +3,7 @@ import { registerProjectTemplateRouter } from "@app/ee/routes/v1/project-templat
 import { registerAccessApprovalPolicyRouter } from "./access-approval-policy-router";
 import { registerAccessApprovalRequestRouter } from "./access-approval-request-router";
 import { registerAssumePrivilegeRouter } from "./assume-privilege-router";
-import { registerAuditLogStreamRouter } from "./audit-log-stream-router";
+import { AUDIT_LOG_STREAM_REGISTER_ROUTER_MAP, registerAuditLogStreamRouter } from "./audit-log-stream-routers";
 import { registerCaCrlRouter } from "./certificate-authority-crl-router";
 import { registerDynamicSecretLeaseRouter } from "./dynamic-secret-lease-router";
 import { registerKubernetesDynamicSecretLeaseRouter } from "./dynamic-secret-lease-routers/kubernetes-lease-router";
@@ -114,7 +114,19 @@ export const registerV1EERoutes = async (server: FastifyZodProvider) => {
  await server.register(registerSecretRouter, { prefix: "/secrets" });
  await server.register(registerSecretVersionRouter, { prefix: "/secret" });
  await server.register(registerGroupRouter, { prefix: "/groups" });
-  await server.register(registerAuditLogStreamRouter, { prefix: "/audit-log-streams" });
+
+  await server.register(
+    async (auditLogStreamRouter) => {
+      await auditLogStreamRouter.register(registerAuditLogStreamRouter);
+
+      // Provider-specific endpoints
+      for await (const [provider, router] of Object.entries(AUDIT_LOG_STREAM_REGISTER_ROUTER_MAP)) {
+        await auditLogStreamRouter.register(router, { prefix: `/${provider}` });
+      }
+    },
+    { prefix: "/audit-log-streams" }
+  );
+
  await server.register(registerUserAdditionalPrivilegeRouter, { prefix: "/user-project-additional-privilege" });
  await server.register(
    async (privilegeRouter) => {
--- a/backend/src/ee/services/audit-log-stream/audit-log-stream-enums.ts
+++ b/backend/src/ee/services/audit-log-stream/audit-log-stream-enums.ts
@@ -0,0 +1,5 @@
+export enum LogProvider {
+  Datadog = "datadog",
+  Splunk = "splunk",
+  Custom = "custom"
+}
--- a/backend/src/ee/services/audit-log-stream/audit-log-stream-factory.ts
+++ b/backend/src/ee/services/audit-log-stream/audit-log-stream-factory.ts
@@ -0,0 +1,13 @@
+import { LogProvider } from "./audit-log-stream-enums";
+import { TAuditLogStreamCredentials, TLogStreamFactory } from "./audit-log-stream-types";
+import { CustomProviderFactory } from "./custom/custom-provider-factory";
+import { DatadogProviderFactory } from "./datadog/datadog-provider-factory";
+import { SplunkProviderFactory } from "./splunk/splunk-provider-factory";
+
+type TLogStreamFactoryImplementation = TLogStreamFactory<TAuditLogStreamCredentials>;
+
+export const LOG_STREAM_FACTORY_MAP: Record<LogProvider, TLogStreamFactoryImplementation> = {
+  [LogProvider.Datadog]: DatadogProviderFactory as TLogStreamFactoryImplementation,
+  [LogProvider.Splunk]: SplunkProviderFactory as TLogStreamFactoryImplementation,
+  [LogProvider.Custom]: CustomProviderFactory as TLogStreamFactoryImplementation
+};
--- a/backend/src/ee/services/audit-log-stream/audit-log-stream-fns.ts
+++ b/backend/src/ee/services/audit-log-stream/audit-log-stream-fns.ts
@@ -1,21 +1,70 @@
-export function providerSpecificPayload(url: string) {
-  const { hostname } = new URL(url);
+import { TAuditLogStreams } from "@app/db/schemas";
+import { TKmsServiceFactory } from "@app/services/kms/kms-service";
+import { KmsDataKey } from "@app/services/kms/kms-types";

-  const payload: Record<string, string> = {};
+import { TAuditLogStream, TAuditLogStreamCredentials } from "./audit-log-stream-types";
+import { getCustomProviderListItem } from "./custom/custom-provider-fns";
+import { getDatadogProviderListItem } from "./datadog/datadog-provider-fns";
+import { getSplunkProviderListItem } from "./splunk/splunk-provider-fns";

-  switch (hostname) {
-    case "http-intake.logs.datadoghq.com":
-    case "http-intake.logs.us3.datadoghq.com":
-    case "http-intake.logs.us5.datadoghq.com":
-    case "http-intake.logs.datadoghq.eu":
-    case "http-intake.logs.ap1.datadoghq.com":
-    case "http-intake.logs.ddog-gov.com":
-      payload.ddsource = "infisical";
-      payload.service = "audit-logs";
-      break;
-    default:
-      break;
-  }
+export const listProviderOptions = () => {
+  return [getCustomProviderListItem(), getDatadogProviderListItem(), getSplunkProviderListItem()].sort((a, b) =>
+    a.name.localeCompare(b.name)
+  );
+};

-  return payload;
-}
+export const encryptLogStreamCredentials = async ({
+  orgId,
+  credentials,
+  kmsService
+}: {
+  orgId: string;
+  credentials: TAuditLogStreamCredentials;
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">;
+}) => {
+  const { encryptor } = await kmsService.createCipherPairWithDataKey({
+    type: KmsDataKey.Organization,
+    orgId
+  });
+
+  const { cipherTextBlob: encryptedCredentialsBlob } = encryptor({
+    plainText: Buffer.from(JSON.stringify(credentials))
+  });
+
+  return encryptedCredentialsBlob;
+};
+
+export const decryptLogStreamCredentials = async ({
+  orgId,
+  encryptedCredentials,
+  kmsService
+}: {
+  orgId: string;
+  encryptedCredentials: Buffer;
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">;
+}) => {
+  const { decryptor } = await kmsService.createCipherPairWithDataKey({
+    type: KmsDataKey.Organization,
+    orgId
+  });
+
+  const decryptedPlainTextBlob = decryptor({
+    cipherTextBlob: encryptedCredentials
+  });
+
+  return JSON.parse(decryptedPlainTextBlob.toString()) as TAuditLogStreamCredentials;
+};
+
+export const decryptLogStream = async (
+  logStream: TAuditLogStreams,
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">
+) => {
+  return {
+    ...logStream,
+    credentials: await decryptLogStreamCredentials({
+      encryptedCredentials: logStream.encryptedCredentials,
+      orgId: logStream.orgId,
+      kmsService
+    })
+  } as TAuditLogStream;
+};
--- a/backend/src/ee/services/audit-log-stream/audit-log-stream-service.ts
+++ b/backend/src/ee/services/audit-log-stream/audit-log-stream-service.ts
@@ -1,242 +1,215 @@
 import { ForbiddenError } from "@casl/ability";
-import { RawAxiosRequestHeaders } from "axios";
+import { AxiosError } from "axios";

-import { SecretKeyEncoding } from "@app/db/schemas";
-import { getConfig } from "@app/lib/config/env";
-import { request } from "@app/lib/config/request";
-import { crypto } from "@app/lib/crypto/cryptography";
-import { BadRequestError, NotFoundError, UnauthorizedError } from "@app/lib/errors";
-import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
+import { TAuditLogs } from "@app/db/schemas";
+import {
+  decryptLogStream,
+  decryptLogStreamCredentials,
+  encryptLogStreamCredentials,
+  listProviderOptions
+} from "@app/ee/services/audit-log-stream/audit-log-stream-fns";
+import { BadRequestError, NotFoundError } from "@app/lib/errors";
+import { logger } from "@app/lib/logger";
+import { OrgServiceActor } from "@app/lib/types";
+import { TKmsServiceFactory } from "@app/services/kms/kms-service";

-import { AUDIT_LOG_STREAM_TIMEOUT } from "../audit-log/audit-log-queue";
 import { TLicenseServiceFactory } from "../license/license-service";
 import { OrgPermissionActions, OrgPermissionSubjects } from "../permission/org-permission";
 import { TPermissionServiceFactory } from "../permission/permission-service-types";
 import { TAuditLogStreamDALFactory } from "./audit-log-stream-dal";
-import { providerSpecificPayload } from "./audit-log-stream-fns";
-import { LogStreamHeaders, TAuditLogStreamServiceFactory } from "./audit-log-stream-types";
+import { LogProvider } from "./audit-log-stream-enums";
+import { LOG_STREAM_FACTORY_MAP } from "./audit-log-stream-factory";
+import { TAuditLogStream, TCreateAuditLogStreamDTO, TUpdateAuditLogStreamDTO } from "./audit-log-stream-types";

-type TAuditLogStreamServiceFactoryDep = {
+export type TAuditLogStreamServiceFactoryDep = {
  auditLogStreamDAL: TAuditLogStreamDALFactory;
  permissionService: Pick<TPermissionServiceFactory, "getOrgPermission">;
  licenseService: Pick<TLicenseServiceFactory, "getPlan">;
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">;
 };

+export type TAuditLogStreamServiceFactory = ReturnType<typeof auditLogStreamServiceFactory>;
+
 export const auditLogStreamServiceFactory = ({
  auditLogStreamDAL,
  permissionService,
-  licenseService
-}: TAuditLogStreamServiceFactoryDep): TAuditLogStreamServiceFactory => {
-  const create: TAuditLogStreamServiceFactory["create"] = async ({
-    url,
-    actor,
-    headers = [],
-    actorId,
-    actorOrgId,
-    actorAuthMethod
-  }) => {
-    if (!actorOrgId) throw new UnauthorizedError({ message: "No organization ID attached to authentication token" });
-
-    const plan = await licenseService.getPlan(actorOrgId);
+  licenseService,
+  kmsService
+}: TAuditLogStreamServiceFactoryDep) => {
+  const create = async ({ provider, credentials }: TCreateAuditLogStreamDTO, actor: OrgServiceActor) => {
+    const plan = await licenseService.getPlan(actor.orgId);
    if (!plan.auditLogStreams) {
      throw new BadRequestError({
-        message: "Failed to create audit log streams due to plan restriction. Upgrade plan to create group."
+        message: "Failed to create Audit Log Stream: Plan restriction. Upgrade plan to continue."
      });
    }

    const { permission } = await permissionService.getOrgPermission(
-      actor,
-      actorId,
-      actorOrgId,
-      actorAuthMethod,
-      actorOrgId
+      actor.type,
+      actor.id,
+      actor.orgId,
+      actor.authMethod,
+      actor.orgId
    );
+
    ForbiddenError.from(permission).throwUnlessCan(OrgPermissionActions.Create, OrgPermissionSubjects.Settings);

-    const appCfg = getConfig();
-    if (appCfg.isCloud) await blockLocalAndPrivateIpAddresses(url);
-
-    const totalStreams = await auditLogStreamDAL.find({ orgId: actorOrgId });
+    const totalStreams = await auditLogStreamDAL.find({ orgId: actor.orgId });
    if (totalStreams.length >= plan.auditLogStreamLimit) {
      throw new BadRequestError({
-        message:
-          "Failed to create audit log streams due to plan limit reached. Kindly contact Infisical to add more streams."
+        message: "Failed to create Audit Log Stream: Plan limit reached. Contact Infisical to increase quota."
      });
    }

-    // testing connection first
-    const streamHeaders: RawAxiosRequestHeaders = { "Content-Type": "application/json" };
-    if (headers.length)
-      headers.forEach(({ key, value }) => {
-        streamHeaders[key] = value;
-      });
+    const factory = LOG_STREAM_FACTORY_MAP[provider]();
+    const validatedCredentials = await factory.validateCredentials({ credentials });

-    await request
-      .post(
-        url,
-        { ...providerSpecificPayload(url), ping: "ok" },
-        {
-          headers: streamHeaders,
-          // request timeout
-          timeout: AUDIT_LOG_STREAM_TIMEOUT,
-          // connection timeout
-          signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
-        }
-      )
-      .catch((err) => {
-        throw new BadRequestError({ message: `Failed to connect with upstream source: ${(err as Error)?.message}` });
-      });
+    const encryptedCredentials = await encryptLogStreamCredentials({
+      credentials: validatedCredentials,
+      orgId: actor.orgId,
+      kmsService
+    });

-    const encryptedHeaders = headers
-      ? crypto.encryption().symmetric().encryptWithRootEncryptionKey(JSON.stringify(headers))
-      : undefined;
    const logStream = await auditLogStreamDAL.create({
-      orgId: actorOrgId,
-      url,
-      ...(encryptedHeaders
-        ? {
-            encryptedHeadersCiphertext: encryptedHeaders.ciphertext,
-            encryptedHeadersIV: encryptedHeaders.iv,
-            encryptedHeadersTag: encryptedHeaders.tag,
-            encryptedHeadersAlgorithm: encryptedHeaders.algorithm,
-            encryptedHeadersKeyEncoding: encryptedHeaders.encoding
-          }
-        : {})
+      orgId: actor.orgId,
+      provider,
+      encryptedCredentials
    });
-    return logStream;
+
+    return { ...logStream, credentials: validatedCredentials } as TAuditLogStream;
  };

-  const updateById: TAuditLogStreamServiceFactory["updateById"] = async ({
-    id,
-    url,
-    actor,
-    headers = [],
-    actorId,
-    actorOrgId,
-    actorAuthMethod
-  }) => {
-    if (!actorOrgId) throw new UnauthorizedError({ message: "No organization ID attached to authentication token" });
-
-    const plan = await licenseService.getPlan(actorOrgId);
-    if (!plan.auditLogStreams)
+  const updateById = async (
+    { logStreamId, provider, credentials }: TUpdateAuditLogStreamDTO,
+    actor: OrgServiceActor
+  ) => {
+    const plan = await licenseService.getPlan(actor.orgId);
+    if (!plan.auditLogStreams) {
      throw new BadRequestError({
-        message: "Failed to update audit log streams due to plan restriction. Upgrade plan to create group."
+        message: "Failed to update Audit Log Stream: Plan restriction. Upgrade plan to continue."
      });
+    }

-    const logStream = await auditLogStreamDAL.findById(id);
-    if (!logStream) throw new NotFoundError({ message: `Audit log stream with ID '${id}' not found` });
+    const logStream = await auditLogStreamDAL.findById(logStreamId);
+    if (!logStream) throw new NotFoundError({ message: `Audit Log Stream with ID '${logStreamId}' not found` });
+
+    const { permission } = await permissionService.getOrgPermission(
+      actor.type,
+      actor.id,
+      actor.orgId,
+      actor.authMethod,
+      logStream.orgId
+    );

-    const { orgId } = logStream;
-    const { permission } = await permissionService.getOrgPermission(actor, actorId, orgId, actorAuthMethod, actorOrgId);
    ForbiddenError.from(permission).throwUnlessCan(OrgPermissionActions.Edit, OrgPermissionSubjects.Settings);
-    const appCfg = getConfig();
-    if (url && appCfg.isCloud) await blockLocalAndPrivateIpAddresses(url);

-    // testing connection first
-    const streamHeaders: RawAxiosRequestHeaders = { "Content-Type": "application/json" };
-    if (headers.length)
-      headers.forEach(({ key, value }) => {
-        streamHeaders[key] = value;
-      });
+    const factory = LOG_STREAM_FACTORY_MAP[provider]();
+    const validatedCredentials = await factory.validateCredentials({ credentials });

-    await request
-      .post(
-        url || logStream.url,
-        { ...providerSpecificPayload(url || logStream.url), ping: "ok" },
-        {
-          headers: streamHeaders,
-          // request timeout
-          timeout: AUDIT_LOG_STREAM_TIMEOUT,
-          // connection timeout
-          signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
-        }
-      )
-      .catch((err) => {
-        throw new Error(`Failed to connect with the source ${(err as Error)?.message}`);
-      });
-
-    const encryptedHeaders = headers
-      ? crypto.encryption().symmetric().encryptWithRootEncryptionKey(JSON.stringify(headers))
-      : undefined;
-    const updatedLogStream = await auditLogStreamDAL.updateById(id, {
-      url,
-      ...(encryptedHeaders
-        ? {
-            encryptedHeadersCiphertext: encryptedHeaders.ciphertext,
-            encryptedHeadersIV: encryptedHeaders.iv,
-            encryptedHeadersTag: encryptedHeaders.tag,
-            encryptedHeadersAlgorithm: encryptedHeaders.algorithm,
-            encryptedHeadersKeyEncoding: encryptedHeaders.encoding
-          }
-        : {})
+    const encryptedCredentials = await encryptLogStreamCredentials({
+      credentials: validatedCredentials,
+      orgId: actor.orgId,
+      kmsService
    });
-    return updatedLogStream;
+
+    const updatedLogStream = await auditLogStreamDAL.updateById(logStreamId, {
+      encryptedCredentials
+    });
+
+    return { ...updatedLogStream, credentials: validatedCredentials } as TAuditLogStream;
  };

-  const deleteById: TAuditLogStreamServiceFactory["deleteById"] = async ({
-    id,
-    actor,
-    actorId,
-    actorOrgId,
-    actorAuthMethod
-  }) => {
-    if (!actorOrgId) throw new UnauthorizedError({ message: "No organization ID attached to authentication token" });
+  const deleteById = async (logStreamId: string, provider: LogProvider, actor: OrgServiceActor) => {
+    const logStream = await auditLogStreamDAL.findById(logStreamId);
+    if (!logStream) throw new NotFoundError({ message: `Audit Log Stream with ID '${logStreamId}' not found` });

-    const logStream = await auditLogStreamDAL.findById(id);
-    if (!logStream) throw new NotFoundError({ message: `Audit log stream with ID '${id}' not found` });
+    const { permission } = await permissionService.getOrgPermission(
+      actor.type,
+      actor.id,
+      actor.orgId,
+      actor.authMethod,
+      logStream.orgId
+    );

-    const { orgId } = logStream;
-    const { permission } = await permissionService.getOrgPermission(actor, actorId, orgId, actorAuthMethod, actorOrgId);
    ForbiddenError.from(permission).throwUnlessCan(OrgPermissionActions.Delete, OrgPermissionSubjects.Settings);

-    const deletedLogStream = await auditLogStreamDAL.deleteById(id);
-    return deletedLogStream;
+    if (logStream.provider !== provider) {
+      throw new BadRequestError({
+        message: `Audit Log Stream with ID '${logStreamId}' is not for provider '${provider}'`
+      });
+    }
+
+    const deletedLogStream = await auditLogStreamDAL.deleteById(logStreamId);
+
+    return decryptLogStream(deletedLogStream, kmsService);
  };

-  const getById: TAuditLogStreamServiceFactory["getById"] = async ({
-    id,
-    actor,
-    actorId,
-    actorOrgId,
-    actorAuthMethod
-  }) => {
-    const logStream = await auditLogStreamDAL.findById(id);
-    if (!logStream) throw new NotFoundError({ message: `Audit log stream with ID '${id}' not found` });
+  const getById = async (logStreamId: string, provider: LogProvider, actor: OrgServiceActor) => {
+    const logStream = await auditLogStreamDAL.findById(logStreamId);

-    const { orgId } = logStream;
-    const { permission } = await permissionService.getOrgPermission(actor, actorId, orgId, actorAuthMethod, actorOrgId);
-    ForbiddenError.from(permission).throwUnlessCan(OrgPermissionActions.Read, OrgPermissionSubjects.Settings);
+    if (!logStream) throw new NotFoundError({ message: `Audit log stream with ID '${logStreamId}' not found` });

-    const headers =
-      logStream?.encryptedHeadersCiphertext && logStream?.encryptedHeadersIV && logStream?.encryptedHeadersTag
-        ? (JSON.parse(
-            crypto
-              .encryption()
-              .symmetric()
-              .decryptWithRootEncryptionKey({
-                tag: logStream.encryptedHeadersTag,
-                iv: logStream.encryptedHeadersIV,
-                ciphertext: logStream.encryptedHeadersCiphertext,
-                keyEncoding: logStream.encryptedHeadersKeyEncoding as SecretKeyEncoding
-              })
-          ) as LogStreamHeaders[])
-        : undefined;
-
-    return { ...logStream, headers };
-  };
-
-  const list: TAuditLogStreamServiceFactory["list"] = async ({ actor, actorId, actorOrgId, actorAuthMethod }) => {
    const { permission } = await permissionService.getOrgPermission(
-      actor,
-      actorId,
-      actorOrgId,
-      actorAuthMethod,
-      actorOrgId
+      actor.type,
+      actor.id,
+      logStream.orgId,
+      actor.authMethod,
+      actor.orgId
    );
+
    ForbiddenError.from(permission).throwUnlessCan(OrgPermissionActions.Read, OrgPermissionSubjects.Settings);

-    const logStreams = await auditLogStreamDAL.find({ orgId: actorOrgId });
-    return logStreams;
+    if (logStream.provider !== provider) {
+      throw new BadRequestError({
+        message: `Audit Log Stream with ID '${logStreamId}' is not for provider '${provider}'`
+      });
+    }
+
+    return decryptLogStream(logStream, kmsService);
+  };
+
+  const list = async (actor: OrgServiceActor) => {
+    const { permission } = await permissionService.getOrgPermission(
+      actor.type,
+      actor.id,
+      actor.orgId,
+      actor.authMethod,
+      actor.orgId
+    );
+
+    ForbiddenError.from(permission).throwUnlessCan(OrgPermissionActions.Read, OrgPermissionSubjects.Settings);
+
+    const logStreams = await auditLogStreamDAL.find({ orgId: actor.orgId });
+
+    return Promise.all(logStreams.map((stream) => decryptLogStream(stream, kmsService)));
+  };
+
+  const streamLog = async (orgId: string, auditLog: TAuditLogs) => {
+    const logStreams = await auditLogStreamDAL.find({ orgId });
+    await Promise.allSettled(
+      logStreams.map(async ({ provider, encryptedCredentials }) => {
+        const credentials = await decryptLogStreamCredentials({
+          encryptedCredentials,
+          orgId,
+          kmsService
+        });
+
+        const factory = LOG_STREAM_FACTORY_MAP[provider as LogProvider]();
+
+        try {
+          await factory.streamLog({
+            credentials,
+            auditLog
+          });
+        } catch (error) {
+          logger.error(
+            error,
+            `Failed to stream audit log [auditLogId=${auditLog.id}] [provider=${provider}] [orgId=${orgId}]${error instanceof AxiosError ? `: ${error.message}` : ""}`
+          );
+          throw error;
+        }
+      })
+    );
  };

  return {
@@ -244,6 +217,8 @@ export const auditLogStreamServiceFactory = ({
    updateById,
    deleteById,
    getById,
-    list
+    list,
+    listProviderOptions,
+    streamLog
  };
 };
--- a/backend/src/ee/services/audit-log-stream/audit-log-stream-types.ts
+++ b/backend/src/ee/services/audit-log-stream/audit-log-stream-types.ts
@@ -1,48 +1,38 @@
-import { TAuditLogStreams } from "@app/db/schemas";
-import { TOrgPermission } from "@app/lib/types";
+import { TAuditLogs } from "@app/db/schemas";

-export type LogStreamHeaders = {
-  key: string;
-  value: string;
+import { LogProvider } from "./audit-log-stream-enums";
+import { TCustomProvider, TCustomProviderCredentials } from "./custom/custom-provider-types";
+import { TDatadogProvider, TDatadogProviderCredentials } from "./datadog/datadog-provider-types";
+import { TSplunkProvider, TSplunkProviderCredentials } from "./splunk/splunk-provider-types";
+
+export type TAuditLogStream = TDatadogProvider | TSplunkProvider | TCustomProvider;
+
+export type TAuditLogStreamCredentials =
+  | TDatadogProviderCredentials
+  | TSplunkProviderCredentials
+  | TCustomProviderCredentials;
+
+export type TCreateAuditLogStreamDTO = {
+  provider: LogProvider;
+  credentials: TAuditLogStreamCredentials;
 };

-export type TCreateAuditLogStreamDTO = Omit<TOrgPermission, "orgId"> & {
-  url: string;
-  headers?: LogStreamHeaders[];
+export type TUpdateAuditLogStreamDTO = {
+  logStreamId: string;
+  provider: LogProvider;
+  credentials: TAuditLogStreamCredentials;
 };

-export type TUpdateAuditLogStreamDTO = Omit<TOrgPermission, "orgId"> & {
-  id: string;
-  url?: string;
-  headers?: LogStreamHeaders[];
-};
+export type TLogStreamFactoryValidateCredentials<C extends TAuditLogStreamCredentials> = (input: {
+  credentials: C;
+}) => Promise<C>;

-export type TDeleteAuditLogStreamDTO = Omit<TOrgPermission, "orgId"> & {
-  id: string;
-};
+export type TLogStreamFactoryStreamLog<C extends TAuditLogStreamCredentials> = (input: {
+  credentials: C;
+  auditLog: TAuditLogs;
+}) => Promise<void>;

-export type TListAuditLogStreamDTO = Omit<TOrgPermission, "orgId">;
-
-export type TGetDetailsAuditLogStreamDTO = Omit<TOrgPermission, "orgId"> & {
-  id: string;
-};
-
-export type TAuditLogStreamServiceFactory = {
-  create: (arg: TCreateAuditLogStreamDTO) => Promise<TAuditLogStreams>;
-  updateById: (arg: TUpdateAuditLogStreamDTO) => Promise<TAuditLogStreams>;
-  deleteById: (arg: TDeleteAuditLogStreamDTO) => Promise<TAuditLogStreams>;
-  getById: (arg: TGetDetailsAuditLogStreamDTO) => Promise<{
-    headers: LogStreamHeaders[] | undefined;
-    orgId: string;
-    url: string;
-    id: string;
-    createdAt: Date;
-    updatedAt: Date;
-    encryptedHeadersCiphertext?: string | null | undefined;
-    encryptedHeadersIV?: string | null | undefined;
-    encryptedHeadersTag?: string | null | undefined;
-    encryptedHeadersAlgorithm?: string | null | undefined;
-    encryptedHeadersKeyEncoding?: string | null | undefined;
-  }>;
-  list: (arg: TListAuditLogStreamDTO) => Promise<TAuditLogStreams[]>;
+export type TLogStreamFactory<C extends TAuditLogStreamCredentials> = () => {
+  validateCredentials: TLogStreamFactoryValidateCredentials<C>;
+  streamLog: TLogStreamFactoryStreamLog<C>;
 };
--- a/backend/src/ee/services/audit-log-stream/custom/custom-provider-factory.ts
+++ b/backend/src/ee/services/audit-log-stream/custom/custom-provider-factory.ts
@@ -0,0 +1,67 @@
+import { RawAxiosRequestHeaders } from "axios";
+
+import { request } from "@app/lib/config/request";
+import { BadRequestError } from "@app/lib/errors";
+import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
+
+import { AUDIT_LOG_STREAM_TIMEOUT } from "../../audit-log/audit-log-queue";
+import { TLogStreamFactoryStreamLog, TLogStreamFactoryValidateCredentials } from "../audit-log-stream-types";
+import { TCustomProviderCredentials } from "./custom-provider-types";
+
+export const CustomProviderFactory = () => {
+  const validateCredentials: TLogStreamFactoryValidateCredentials<TCustomProviderCredentials> = async ({
+    credentials
+  }) => {
+    const { url, headers } = credentials;
+
+    await blockLocalAndPrivateIpAddresses(url);
+
+    const streamHeaders: RawAxiosRequestHeaders = { "Content-Type": "application/json" };
+    if (headers.length) {
+      headers.forEach(({ key, value }) => {
+        streamHeaders[key] = value;
+      });
+    }
+
+    await request
+      .post(
+        url,
+        { ping: "ok" },
+        {
+          headers: streamHeaders,
+          timeout: AUDIT_LOG_STREAM_TIMEOUT,
+          signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
+        }
+      )
+      .catch((err) => {
+        throw new BadRequestError({ message: `Failed to connect with upstream source: ${(err as Error)?.message}` });
+      });
+
+    return credentials;
+  };
+
+  const streamLog: TLogStreamFactoryStreamLog<TCustomProviderCredentials> = async ({ credentials, auditLog }) => {
+    const { url, headers } = credentials;
+
+    await blockLocalAndPrivateIpAddresses(url);
+
+    const streamHeaders: RawAxiosRequestHeaders = { "Content-Type": "application/json" };
+
+    if (headers.length) {
+      headers.forEach(({ key, value }) => {
+        streamHeaders[key] = value;
+      });
+    }
+
+    await request.post(url, auditLog, {
+      headers: streamHeaders,
+      timeout: AUDIT_LOG_STREAM_TIMEOUT,
+      signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
+    });
+  };
+
+  return {
+    validateCredentials,
+    streamLog
+  };
+};
--- a/backend/src/ee/services/audit-log-stream/custom/custom-provider-fns.ts
+++ b/backend/src/ee/services/audit-log-stream/custom/custom-provider-fns.ts
@@ -0,0 +1,8 @@
+import { LogProvider } from "../audit-log-stream-enums";
+
+export const getCustomProviderListItem = () => {
+  return {
+    name: "Custom" as const,
+    provider: LogProvider.Custom as const
+  };
+};
--- a/backend/src/ee/services/audit-log-stream/custom/custom-provider-schemas.ts
+++ b/backend/src/ee/services/audit-log-stream/custom/custom-provider-schemas.ts
@@ -0,0 +1,32 @@
+import { z } from "zod";
+
+import { LogProvider } from "../audit-log-stream-enums";
+
+export const CustomProviderCredentialsSchema = z.object({
+  url: z.string().url().trim().min(1).max(255),
+  headers: z
+    .object({
+      key: z.string().min(1),
+      value: z.string().min(1)
+    })
+    .array()
+});
+
+export const CustomProviderSchema = z.object({
+  provider: z.literal(LogProvider.Custom),
+  credentials: CustomProviderCredentialsSchema
+});
+
+export const SanitizedCustomProviderSchema = z.object({
+  provider: z.literal(LogProvider.Custom),
+  credentials: z.object({
+    url: CustomProviderCredentialsSchema.shape.url,
+    // Only return header keys
+    headers: CustomProviderCredentialsSchema.shape.headers.element.pick({ key: true }).array()
+  })
+});
+
+export const CustomProviderListItemSchema = z.object({
+  name: z.literal("Custom"),
+  provider: z.literal(LogProvider.Custom)
+});
--- a/backend/src/ee/services/audit-log-stream/custom/custom-provider-types.ts
+++ b/backend/src/ee/services/audit-log-stream/custom/custom-provider-types.ts
@@ -0,0 +1,7 @@
+import { z } from "zod";
+
+import { CustomProviderCredentialsSchema, CustomProviderSchema } from "./custom-provider-schemas";
+
+export type TCustomProvider = z.infer<typeof CustomProviderSchema>;
+
+export type TCustomProviderCredentials = z.infer<typeof CustomProviderCredentialsSchema>;
--- a/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-factory.ts
+++ b/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-factory.ts
@@ -0,0 +1,60 @@
+import { RawAxiosRequestHeaders } from "axios";
+
+import { request } from "@app/lib/config/request";
+import { BadRequestError } from "@app/lib/errors";
+import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
+
+import { AUDIT_LOG_STREAM_TIMEOUT } from "../../audit-log/audit-log-queue";
+import { TLogStreamFactoryStreamLog, TLogStreamFactoryValidateCredentials } from "../audit-log-stream-types";
+import { TDatadogProviderCredentials } from "./datadog-provider-types";
+
+export const DatadogProviderFactory = () => {
+  const validateCredentials: TLogStreamFactoryValidateCredentials<TDatadogProviderCredentials> = async ({
+    credentials
+  }) => {
+    const { url, token } = credentials;
+
+    await blockLocalAndPrivateIpAddresses(url);
+
+    const streamHeaders: RawAxiosRequestHeaders = { "Content-Type": "application/json", "DD-API-KEY": token };
+
+    await request
+      .post(
+        url,
+        { ping: "ok" },
+        {
+          headers: streamHeaders,
+          timeout: AUDIT_LOG_STREAM_TIMEOUT,
+          signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
+        }
+      )
+      .catch((err) => {
+        throw new BadRequestError({ message: `Failed to connect with Datadog: ${(err as Error)?.message}` });
+      });
+
+    return credentials;
+  };
+
+  const streamLog: TLogStreamFactoryStreamLog<TDatadogProviderCredentials> = async ({ credentials, auditLog }) => {
+    const { url, token } = credentials;
+
+    await blockLocalAndPrivateIpAddresses(url);
+
+    const streamHeaders: RawAxiosRequestHeaders = { "Content-Type": "application/json", "DD-API-KEY": token };
+
+    await request.post(
+      url,
+      { ...auditLog, ddsource: "infisical", service: "audit-logs" },
+      {
+        headers: streamHeaders,
+        timeout: AUDIT_LOG_STREAM_TIMEOUT,
+        signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
+      }
+    );
+  };
+
+  return {
+    validateCredentials,
+    streamLog
+  };
+};
--- a/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-fns.ts
+++ b/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-fns.ts
@@ -0,0 +1,8 @@
+import { LogProvider } from "../audit-log-stream-enums";
+
+export const getDatadogProviderListItem = () => {
+  return {
+    name: "Datadog" as const,
+    provider: LogProvider.Datadog as const
+  };
+};
--- a/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-schemas.ts
+++ b/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-schemas.ts
@@ -0,0 +1,29 @@
+import RE2 from "re2";
+import { z } from "zod";
+
+import { LogProvider } from "../audit-log-stream-enums";
+
+export const DatadogProviderCredentialsSchema = z.object({
+  url: z.string().url().trim().min(1).max(255),
+  token: z
+    .string()
+    .trim()
+    .refine((val) => new RE2(/^[a-fA-F0-9]{32}$/).test(val), "Invalid Datadog API key format")
+});
+
+export const DatadogProviderSchema = z.object({
+  provider: z.literal(LogProvider.Datadog),
+  credentials: DatadogProviderCredentialsSchema
+});
+
+export const SanitizedDatadogProviderSchema = z.object({
+  provider: z.literal(LogProvider.Datadog),
+  credentials: DatadogProviderCredentialsSchema.pick({
+    url: true
+  })
+});
+
+export const DatadogProviderListItemSchema = z.object({
+  name: z.literal("Datadog"),
+  provider: z.literal(LogProvider.Datadog)
+});
--- a/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-types.ts
+++ b/backend/src/ee/services/audit-log-stream/datadog/datadog-provider-types.ts
@@ -0,0 +1,7 @@
+import { z } from "zod";
+
+import { DatadogProviderCredentialsSchema, DatadogProviderSchema } from "./datadog-provider-schemas";
+
+export type TDatadogProvider = z.infer<typeof DatadogProviderSchema>;
+
+export type TDatadogProviderCredentials = z.infer<typeof DatadogProviderCredentialsSchema>;
--- a/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-factory.ts
+++ b/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-factory.ts
@@ -0,0 +1,84 @@
+import { RawAxiosRequestHeaders } from "axios";
+
+import { getConfig } from "@app/lib/config/env";
+import { request } from "@app/lib/config/request";
+import { BadRequestError } from "@app/lib/errors";
+import { blockLocalAndPrivateIpAddresses } from "@app/lib/validator";
+
+import { AUDIT_LOG_STREAM_TIMEOUT } from "../../audit-log/audit-log-queue";
+import { TLogStreamFactoryStreamLog, TLogStreamFactoryValidateCredentials } from "../audit-log-stream-types";
+import { TSplunkProviderCredentials } from "./splunk-provider-types";
+
+function createPayload(event: Record<string, unknown>) {
+  const appCfg = getConfig();
+
+  return {
+    time: Math.floor(Date.now() / 1000),
+    host: new URL(appCfg.SITE_URL || "http://infisical").host,
+    source: "infisical",
+    sourcetype: "_json",
+    event
+  };
+}
+
+async function createSplunkUrl(hostname: string) {
+  let parsedHostname: string;
+  try {
+    parsedHostname = new URL(`https://${hostname}`).hostname;
+  } catch (error) {
+    throw new BadRequestError({ message: `Invalid Splunk hostname provided: ${(error as Error).message}` });
+  }
+
+  await blockLocalAndPrivateIpAddresses(`https://${hostname}`);
+
+  return `https://${parsedHostname}:8088/services/collector/event`;
+}
+
+export const SplunkProviderFactory = () => {
+  const validateCredentials: TLogStreamFactoryValidateCredentials<TSplunkProviderCredentials> = async ({
+    credentials
+  }) => {
+    const { hostname, token } = credentials;
+
+    const url = await createSplunkUrl(hostname);
+
+    const streamHeaders: RawAxiosRequestHeaders = {
+      "Content-Type": "application/json",
+      Authorization: `Splunk ${token}`
+    };
+
+    await request
+      .post(url, createPayload({ ping: "ok" }), {
+        headers: streamHeaders,
+        timeout: AUDIT_LOG_STREAM_TIMEOUT,
+        signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
+      })
+      .catch((err) => {
+        throw new BadRequestError({ message: `Failed to connect with Splunk: ${(err as Error)?.message}` });
+      });
+
+    return credentials;
+  };
+
+  const streamLog: TLogStreamFactoryStreamLog<TSplunkProviderCredentials> = async ({ credentials, auditLog }) => {
+    const { hostname, token } = credentials;
+
+    const url = await createSplunkUrl(hostname);
+
+    const streamHeaders: RawAxiosRequestHeaders = {
+      "Content-Type": "application/json",
+      Authorization: `Splunk ${token}`
+    };
+
+    await request.post(url, createPayload(auditLog), {
+      headers: streamHeaders,
+      timeout: AUDIT_LOG_STREAM_TIMEOUT,
+      signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
+    });
+  };
+
+  return {
+    validateCredentials,
+    streamLog
+  };
+};
--- a/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-fns.ts
+++ b/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-fns.ts
@@ -0,0 +1,8 @@
+import { LogProvider } from "../audit-log-stream-enums";
+
+export const getSplunkProviderListItem = () => {
+  return {
+    name: "Splunk" as const,
+    provider: LogProvider.Splunk as const
+  };
+};
--- a/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-schemas.ts
+++ b/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-schemas.ts
@@ -0,0 +1,25 @@
+import { z } from "zod";
+
+import { LogProvider } from "../audit-log-stream-enums";
+
+export const SplunkProviderCredentialsSchema = z.object({
+  hostname: z.string().url().trim().min(1).max(255),
+  token: z.string().uuid().trim().min(1)
+});
+
+export const SplunkProviderSchema = z.object({
+  provider: z.literal(LogProvider.Splunk),
+  credentials: SplunkProviderCredentialsSchema
+});
+
+export const SanitizedSplunkProviderSchema = z.object({
+  provider: z.literal(LogProvider.Splunk),
+  credentials: SplunkProviderCredentialsSchema.pick({
+    hostname: true
+  })
+});
+
+export const SplunkProviderListItemSchema = z.object({
+  name: z.literal("Splunk"),
+  provider: z.literal(LogProvider.Splunk)
+});
--- a/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-types.ts
+++ b/backend/src/ee/services/audit-log-stream/splunk/splunk-provider-types.ts
@@ -0,0 +1,7 @@
+import { z } from "zod";
+
+import { SplunkProviderCredentialsSchema, SplunkProviderSchema } from "./splunk-provider-schemas";
+
+export type TSplunkProvider = z.infer<typeof SplunkProviderSchema>;
+
+export type TSplunkProviderCredentials = z.infer<typeof SplunkProviderCredentialsSchema>;
--- a/backend/src/ee/services/audit-log/audit-log-queue.ts
+++ b/backend/src/ee/services/audit-log/audit-log-queue.ts
@@ -1,22 +1,14 @@
-import { AxiosError, RawAxiosRequestHeaders } from "axios";
-
-import { SecretKeyEncoding } from "@app/db/schemas";
-import { request } from "@app/lib/config/request";
-import { crypto } from "@app/lib/crypto/cryptography";
-import { logger } from "@app/lib/logger";
+import { TAuditLogStreamServiceFactory } from "@app/ee/services/audit-log-stream/audit-log-stream-service";
 import { QueueJobs, QueueName, TQueueServiceFactory } from "@app/queue";
 import { TProjectDALFactory } from "@app/services/project/project-dal";

-import { TAuditLogStreamDALFactory } from "../audit-log-stream/audit-log-stream-dal";
-import { providerSpecificPayload } from "../audit-log-stream/audit-log-stream-fns";
-import { LogStreamHeaders } from "../audit-log-stream/audit-log-stream-types";
 import { TLicenseServiceFactory } from "../license/license-service";
 import { TAuditLogDALFactory } from "./audit-log-dal";
 import { TCreateAuditLogDTO } from "./audit-log-types";

 type TAuditLogQueueServiceFactoryDep = {
  auditLogDAL: TAuditLogDALFactory;
-  auditLogStreamDAL: Pick<TAuditLogStreamDALFactory, "find">;
+  auditLogStreamService: Pick<TAuditLogStreamServiceFactory, "streamLog">;
  queueService: TQueueServiceFactory;
  projectDAL: Pick<TProjectDALFactory, "findById">;
  licenseService: Pick<TLicenseServiceFactory, "getPlan">;
@@ -35,7 +27,7 @@ export const auditLogQueueServiceFactory = async ({
  queueService,
  projectDAL,
  licenseService,
-  auditLogStreamDAL
+  auditLogStreamService
 }: TAuditLogQueueServiceFactoryDep): Promise<TAuditLogQueueServiceFactory> => {
  const pushToLog = async (data: TCreateAuditLogDTO) => {
    await queueService.queue<QueueName.AuditLog>(QueueName.AuditLog, QueueJobs.AuditLog, data, {
@@ -86,60 +78,7 @@ export const auditLogQueueServiceFactory = async ({
        userAgentType
      });

-      const logStreams = orgId ? await auditLogStreamDAL.find({ orgId }) : [];
-      await Promise.allSettled(
-        logStreams.map(
-          async ({
-            url,
-            encryptedHeadersTag,
-            encryptedHeadersIV,
-            encryptedHeadersKeyEncoding,
-            encryptedHeadersCiphertext
-          }) => {
-            const streamHeaders =
-              encryptedHeadersIV && encryptedHeadersCiphertext && encryptedHeadersTag
-                ? (JSON.parse(
-                    crypto
-                      .encryption()
-                      .symmetric()
-                      .decryptWithRootEncryptionKey({
-                        keyEncoding: encryptedHeadersKeyEncoding as SecretKeyEncoding,
-                        iv: encryptedHeadersIV,
-                        tag: encryptedHeadersTag,
-                        ciphertext: encryptedHeadersCiphertext
-                      })
-                  ) as LogStreamHeaders[])
-                : [];
-
-            const headers: RawAxiosRequestHeaders = { "Content-Type": "application/json" };
-
-            if (streamHeaders.length)
-              streamHeaders.forEach(({ key, value }) => {
-                headers[key] = value;
-              });
-
-            try {
-              const response = await request.post(
-                url,
-                { ...providerSpecificPayload(url), ...auditLog },
-                {
-                  headers,
-                  // request timeout
-                  timeout: AUDIT_LOG_STREAM_TIMEOUT,
-                  // connection timeout
-                  signal: AbortSignal.timeout(AUDIT_LOG_STREAM_TIMEOUT)
-                }
-              );
-              return response;
-            } catch (error) {
-              logger.error(
-                `Failed to stream audit log [url=${url}] for org [orgId=${orgId}] [error=${(error as AxiosError).message}]`
-              );
-              return error;
-            }
-          }
-        )
-      );
+      await auditLogStreamService.streamLog(orgId, auditLog);
    }
  });

--- a/backend/src/server/routes/index.ts
+++ b/backend/src/server/routes/index.ts
@@ -555,20 +555,22 @@ export const registerRoutes = async (
    permissionService
  });

+  const auditLogStreamService = auditLogStreamServiceFactory({
+    licenseService,
+    permissionService,
+    auditLogStreamDAL,
+    kmsService
+  });
+
  const auditLogQueue = await auditLogQueueServiceFactory({
    auditLogDAL,
    queueService,
    projectDAL,
    licenseService,
-    auditLogStreamDAL
+    auditLogStreamService
  });

  const auditLogService = auditLogServiceFactory({ auditLogDAL, permissionService, auditLogQueue });
-  const auditLogStreamService = auditLogStreamServiceFactory({
-    licenseService,
-    permissionService,
-    auditLogStreamDAL
-  });
  const secretApprovalPolicyService = secretApprovalPolicyServiceFactory({
    projectEnvDAL,
    secretApprovalPolicyApproverDAL: sapApproverDAL,
--- a/backend/src/server/routes/sanitizedSchemas.ts
+++ b/backend/src/server/routes/sanitizedSchemas.ts
@@ -246,13 +246,6 @@ export const SanitizedDynamicSecretSchema = DynamicSecretsSchema.omit({
  metadata: ResourceMetadataSchema.optional()
 });

-export const SanitizedAuditLogStreamSchema = z.object({
-  id: z.string(),
-  url: z.string(),
-  createdAt: z.date(),
-  updatedAt: z.date()
-});
-
 export const SanitizedProjectSchema = ProjectsSchema.pick({
  id: true,
  name: true,