feat: added api for admin and org gateway management

backend/src/ee/services/gateway/gateway-dal.ts

@@ -0,0 +1,33 @@
+import { TDbClient } from "@app/db";
+import { TableName, TGateways } from "@app/db/schemas";
+import { DatabaseError } from "@app/lib/errors";
+import { buildFindFilter, ormify, selectAllTableCols, TFindFilter, TFindOpt } from "@app/lib/knex";
+
+export type TGatewayDALFactory = ReturnType<typeof gatewayDALFactory>;
+
+export const gatewayDALFactory = (db: TDbClient) => {
+  const orm = ormify(db, TableName.Gateway);
+
+  const find = async (filter: TFindFilter<TGateways>, { offset, limit, sort, tx }: TFindOpt<TGateways> = {}) => {
+    try {
+      const query = (tx || db)(TableName.Gateway)
+        // eslint-disable-next-line @typescript-eslint/no-misused-promises
+        .where(buildFindFilter(filter))
+        .join(TableName.Identity, `${TableName.Identity}.id`, `${TableName.Gateway}.identityId`)
+        .select(selectAllTableCols(TableName.Gateway))
+        .select(db.ref("name").withSchema(TableName.Identity).as("identityName"));
+      if (limit) void query.limit(limit);
+      if (offset) void query.offset(offset);
+      if (sort) {
+        void query.orderBy(sort.map(([column, order, nulls]) => ({ column: column as string, order, nulls })));
+      }
+
+      const docs = await query;
+      return docs.map((el) => ({ ...el, identity: { id: el.identityId, name: el.identityName } }));
+    } catch (error) {
+      throw new DatabaseError({ error, name: `${TableName.Gateway}: Find` });
+    }
+  };
+
+  return { ...orm, find };
+};

backend/src/ee/services/gateway/gateway-instance-config-dal.ts

@@ -0,0 +1,11 @@
+import { TDbClient } from "@app/db";
+import { TableName } from "@app/db/schemas";
+import { ormify } from "@app/lib/knex";
+
+export type TGatewayInstanceConfigDALFactory = ReturnType<typeof gatewayInstanceConfigDALFactory>;
+
+export const gatewayInstanceConfigDALFactory = (db: TDbClient) => {
+  const orm = ormify(db, TableName.GatewayInstanceConfig);
+
+  return orm;
+};

backend/src/ee/services/gateway/gateway-service.ts

@@ -0,0 +1,284 @@
+import crypto from "node:crypto";
+
+import { ForbiddenError } from "@casl/ability";
+import * as x509 from "@peculiar/x509";
+
+import { PgSqlLock } from "@app/keystore/keystore";
+import { getConfig } from "@app/lib/config/env";
+import { BadRequestError, NotFoundError } from "@app/lib/errors";
+import { alphaNumericNanoId } from "@app/lib/nanoid";
+import { getTurnCredentials } from "@app/lib/turn/credentials";
+import { CertExtendedKeyUsage, CertKeyAlgorithm, CertKeyUsage } from "@app/services/certificate/certificate-types";
+import {
+  createSerialNumber,
+  keyAlgorithmToAlgCfg
+} from "@app/services/certificate-authority/certificate-authority-fns";
+import { TKmsServiceFactory } from "@app/services/kms/kms-service";
+import { KmsDataKey } from "@app/services/kms/kms-types";
+
+import { TLicenseServiceFactory } from "../license/license-service";
+import { OrgGatewayPermissionActions, OrgPermissionSubjects } from "../permission/org-permission";
+import { TPermissionServiceFactory } from "../permission/permission-service";
+import { TGatewayDALFactory } from "./gateway-dal";
+import { TExchangeAllocatedRelayAddressDTO, TGetGatewayByIdDTO, TListGatewaysDTO } from "./gateway-types";
+import { TOrgGatewayRootCaDALFactory } from "./org-gateway-root-ca-dal";
+
+type TGatewayServiceFactoryDep = {
+  gatewayDAL: TGatewayDALFactory;
+  orgGatewayRootCaDAL: Pick<TOrgGatewayRootCaDALFactory, "findOne" | "create" | "transaction">;
+  licenseService: Pick<TLicenseServiceFactory, "onPremFeatures" | "getPlan">;
+  kmsService: Pick<TKmsServiceFactory, "createCipherPairWithDataKey">;
+  permissionService: Pick<TPermissionServiceFactory, "getOrgPermission">;
+};
+
+export type TGatewayServiceFactory = ReturnType<typeof gatewayServiceFactory>;
+
+// TODO(gateway): missing permission check
+export const gatewayServiceFactory = ({
+  gatewayDAL,
+  licenseService,
+  orgGatewayRootCaDAL,
+  kmsService,
+  permissionService
+}: TGatewayServiceFactoryDep) => {
+  const $validateOrgAccessToGateway = async (orgId: string) => {
+    if (!licenseService.onPremFeatures.gateway) {
+      throw new BadRequestError({
+        message:
+          "Gateway handshake failed due to instance plan restrictions. Please upgrade your instance to Infisical's Enterprise plan."
+      });
+    }
+    const orgLicensePlan = await licenseService.getPlan(orgId);
+    if (!orgLicensePlan.gateway) {
+      throw new BadRequestError({
+        message:
+          "Gateway handshake failed due to organization plan restrictions. Please upgrade your instance to Infisical's Enterprise plan."
+      });
+    }
+  };
+
+  const getGatewayRelayDetails = async (actorId: string, actorOrgId: string) => {
+    const envCfg = getConfig();
+    await $validateOrgAccessToGateway(actorOrgId);
+
+    if (
+      !envCfg.GATEWAY_RELAY_AUTH_SECRET ||
+      !envCfg.GATEWAY_RELAY_ADDRESS ||
+      !envCfg.GATEWAY_INFISICAL_STATIC_IP_ADDRESS
+    ) {
+      throw new BadRequestError({
+        message: "Gateway handshake failed due to missing instance config."
+      });
+    }
+    // TODO(gateway): keep it in 30mins redis after encryption to avoid multiple credentials spinning up
+    const { username: turnServerUsername, password: turnServerPassword } = getTurnCredentials(
+      actorId,
+      envCfg.GATEWAY_RELAY_AUTH_SECRET
+    );
+
+    return {
+      turnServerUsername,
+      turnServerPassword,
+      turnServerAddress: envCfg.GATEWAY_RELAY_ADDRESS,
+      infisicalStaticIp: envCfg.GATEWAY_INFISICAL_STATIC_IP_ADDRESS
+    };
+  };
+
+  const exchangeAllocatedRelayAddress = async ({
+    identityId,
+    identityOrg,
+    relayAddress
+  }: TExchangeAllocatedRelayAddressDTO) => {
+    const { encryptor: orgKmsEncryptor, decryptor: orgKmsDecryptor } = await kmsService.createCipherPairWithDataKey({
+      type: KmsDataKey.Organization,
+      orgId: identityOrg
+    });
+
+    const orgGatewayRootCa = await orgGatewayRootCaDAL.transaction(async (tx) => {
+      await tx.raw("SELECT pg_advisory_xact_lock(?)", [PgSqlLock.OrgGatewayRootCaInit(identityOrg)]);
+      const existingGateway = await orgGatewayRootCaDAL.findOne({ orgId: identityOrg });
+      if (existingGateway) return existingGateway;
+      const alg = keyAlgorithmToAlgCfg(CertKeyAlgorithm.RSA_2048);
+      // generate root CA
+      const orgGatewayRootCaSerialNumber = createSerialNumber();
+      const orgGatewayRootCaKeys = await crypto.subtle.generateKey(alg, true, ["sign", "verify"]);
+      const orgGatewayCaSkObj = crypto.KeyObject.from(orgGatewayRootCaKeys.privateKey);
+      const orgGatewayCaIssuedAt = new Date();
+      const orgGatewayCaExpiration = new Date(new Date().setFullYear(new Date().getFullYear() + 25));
+
+      const orgGatewayCaCert = await x509.X509CertificateGenerator.createSelfSigned({
+        name: `CN=Org Gateway Root CA,O=${identityOrg}`,
+        serialNumber: orgGatewayRootCaSerialNumber,
+        notBefore: orgGatewayCaIssuedAt,
+        notAfter: orgGatewayCaExpiration,
+        signingAlgorithm: alg,
+        keys: orgGatewayRootCaKeys,
+        extensions: [
+          // eslint-disable-next-line no-bitwise
+          new x509.KeyUsagesExtension(x509.KeyUsageFlags.keyCertSign | x509.KeyUsageFlags.cRLSign, true),
+          await x509.SubjectKeyIdentifierExtension.create(orgGatewayRootCaKeys.publicKey)
+        ]
+      });
+
+      return orgGatewayRootCaDAL.create({
+        orgId: identityOrg,
+        caIssuedAt: orgGatewayCaIssuedAt,
+        caExpiration: orgGatewayCaExpiration,
+        caSerialNumber: orgGatewayRootCaSerialNumber,
+        encryptedCaCertificate: orgKmsEncryptor({ plainText: Buffer.from(orgGatewayCaCert.rawData) }).cipherTextBlob,
+        encryptedCaPrivateKey: orgKmsEncryptor({
+          plainText: orgGatewayCaSkObj.export({
+            type: "pkcs8",
+            format: "der"
+          })
+        }).cipherTextBlob,
+        caKeyAlgorithm: CertKeyAlgorithm.RSA_2048
+      });
+    });
+
+    const caCertObj = new x509.X509Certificate(
+      orgKmsDecryptor({
+        cipherTextBlob: orgGatewayRootCa.encryptedCaCertificate
+      })
+    );
+    const caAlg = keyAlgorithmToAlgCfg(orgGatewayRootCa.caKeyAlgorithm as CertKeyAlgorithm);
+    const caSkObj = crypto.createPrivateKey({
+      key: orgKmsDecryptor({ cipherTextBlob: orgGatewayRootCa.encryptedCaPrivateKey }),
+      format: "der",
+      type: "pkcs8"
+    });
+    const caPrivateKey = await crypto.subtle.importKey(
+      "pkcs8",
+      caSkObj.export({ format: "der", type: "pkcs8" }),
+      caAlg,
+      true,
+      ["sign"]
+    );
+
+    const alg = keyAlgorithmToAlgCfg(CertKeyAlgorithm.RSA_2048);
+    const gatewayKeys = await crypto.subtle.generateKey(alg, true, ["sign", "verify"]);
+    const certIssuedAt = new Date();
+    // then need to periodically init
+    const certExpireAt = new Date(new Date().setMonth(new Date().getMonth() + 1));
+    const extensions: x509.Extension[] = [
+      new x509.BasicConstraintsExtension(false),
+      await x509.AuthorityKeyIdentifierExtension.create(caCertObj, false),
+      await x509.SubjectKeyIdentifierExtension.create(gatewayKeys.publicKey),
+      new x509.CertificatePolicyExtension(["2.5.29.32.0"]), // anyPolicy
+      new x509.KeyUsagesExtension(
+        // eslint-disable-next-line no-bitwise
+        x509.KeyUsageFlags[CertKeyUsage.DIGITAL_SIGNATURE] | x509.KeyUsageFlags[CertKeyUsage.KEY_ENCIPHERMENT],
+        true
+      ),
+      new x509.ExtendedKeyUsageExtension([x509.ExtendedKeyUsage[CertExtendedKeyUsage.SERVER_AUTH]], true),
+      // san
+      new x509.SubjectAlternativeNameExtension([{ type: "ip", value: relayAddress }], false)
+    ];
+
+    const serialNumber = createSerialNumber();
+    const privateKey = crypto.KeyObject.from(gatewayKeys.privateKey);
+    const gatewayCertificate = await x509.X509CertificateGenerator.create({
+      serialNumber,
+      subject: `CN=${identityId},O=${identityOrg}`,
+      issuer: caCertObj.subject,
+      notBefore: certIssuedAt,
+      notAfter: certExpireAt,
+      signingKey: caPrivateKey,
+      publicKey: gatewayKeys.publicKey,
+      signingAlgorithm: alg,
+      extensions
+    });
+
+    await gatewayDAL.transaction(async (tx) => {
+      await tx.raw("SELECT pg_advisory_xact_lock(?)", [PgSqlLock.OrgGatewayCertExchange(identityOrg)]);
+      const existingGateway = await gatewayDAL.findOne({ identityId, orgGatewayRootCaId: orgGatewayRootCa.id });
+      if (existingGateway) {
+        return gatewayDAL.updateById(existingGateway.id, {
+          keyAlgorithm: CertKeyAlgorithm.RSA_2048,
+          issuedAt: certIssuedAt,
+          expiration: certExpireAt,
+          serialNumber,
+          relayAddress: orgKmsEncryptor({ plainText: Buffer.from(relayAddress) }).cipherTextBlob
+        });
+      }
+
+      return gatewayDAL.create({
+        keyAlgorithm: CertKeyAlgorithm.RSA_2048,
+        issuedAt: certIssuedAt,
+        expiration: certExpireAt,
+        serialNumber,
+        relayAddress: orgKmsEncryptor({ plainText: Buffer.from(relayAddress) }).cipherTextBlob,
+        identityId,
+        orgGatewayRootCaId: orgGatewayRootCa.id,
+        name: alphaNumericNanoId(8)
+      });
+    });
+
+    return {
+      serialNumber,
+      privateKey: privateKey.export({ format: "pem", type: "pkcs8" }) as string,
+      certificate: gatewayCertificate.toString("pem"),
+      certificateChain: caCertObj.toString("pem")
+    };
+  };
+
+  const listGateways = async ({ orgPermission }: TListGatewaysDTO) => {
+    const { permission } = await permissionService.getOrgPermission(
+      orgPermission.type,
+      orgPermission.id,
+      orgPermission.orgId,
+      orgPermission.authMethod,
+      orgPermission.orgId
+    );
+    ForbiddenError.from(permission).throwUnlessCan(OrgGatewayPermissionActions.Create, OrgPermissionSubjects.Gateway);
+    const rootCa = await orgGatewayRootCaDAL.findOne({ orgId: orgPermission.orgId });
+    if (!rootCa) return [];
+
+    const gateways = await gatewayDAL.find({
+      orgGatewayRootCaId: rootCa.id
+    });
+    return gateways;
+  };
+
+  const getGatewayById = async ({ orgPermission, id }: TGetGatewayByIdDTO) => {
+    const { permission } = await permissionService.getOrgPermission(
+      orgPermission.type,
+      orgPermission.id,
+      orgPermission.orgId,
+      orgPermission.authMethod,
+      orgPermission.orgId
+    );
+    ForbiddenError.from(permission).throwUnlessCan(OrgGatewayPermissionActions.Create, OrgPermissionSubjects.Gateway);
+    const rootCa = await orgGatewayRootCaDAL.findOne({ orgId: orgPermission.orgId });
+    if (!rootCa) throw new NotFoundError({ message: `Gateway with ID ${id} not found.` });
+
+    const [gateway] = await gatewayDAL.find({ id, orgGatewayRootCaId: rootCa.id });
+    if (!gateway) throw new NotFoundError({ message: `Gateway with ID ${id} not found.` });
+    return gateway;
+  };
+
+  const deleteGatewayById = async ({ orgPermission, id }: TGetGatewayByIdDTO) => {
+    const { permission } = await permissionService.getOrgPermission(
+      orgPermission.type,
+      orgPermission.id,
+      orgPermission.orgId,
+      orgPermission.authMethod,
+      orgPermission.orgId
+    );
+    ForbiddenError.from(permission).throwUnlessCan(OrgGatewayPermissionActions.Create, OrgPermissionSubjects.Gateway);
+    const rootCa = await orgGatewayRootCaDAL.findOne({ orgId: orgPermission.orgId });
+    if (!rootCa) throw new NotFoundError({ message: `Gateway with ID ${id} not found.` });
+
+    const [gateway] = await gatewayDAL.delete({ id, orgGatewayRootCaId: rootCa.id });
+    if (!gateway) throw new NotFoundError({ message: `Gateway with ID ${id} not found.` });
+    return gateway;
+  };
+
+  return {
+    getGatewayRelayDetails,
+    exchangeAllocatedRelayAddress,
+    listGateways,
+    getGatewayById,
+    deleteGatewayById
+  };
+};

backend/src/ee/services/gateway/gateway-types.ts

@@ -0,0 +1,21 @@
+import { OrgServiceActor } from "@app/lib/types";
+
+export type TExchangeAllocatedRelayAddressDTO = {
+  identityId: string;
+  identityOrg: string;
+  relayAddress: string;
+};
+
+export type TListGatewaysDTO = {
+  orgPermission: OrgServiceActor;
+};
+
+export type TGetGatewayByIdDTO = {
+  id: string;
+  orgPermission: OrgServiceActor;
+};
+
+export type TDeleteGatewayByIdDTO = {
+  id: string;
+  orgPermission: OrgServiceActor;
+};

backend/src/ee/services/gateway/org-gateway-root-ca-dal.ts

@@ -0,0 +1,10 @@
+import { TDbClient } from "@app/db";
+import { TableName } from "@app/db/schemas";
+import { ormify } from "@app/lib/knex";
+
+export type TOrgGatewayRootCaDALFactory = ReturnType<typeof orgGatewayRootCaDALFactory>;
+
+export const orgGatewayRootCaDALFactory = (db: TDbClient) => {
+  const orm = ormify(db, TableName.OrgGatewayRootCa);
+  return orm;
+};

backend/src/ee/services/license/license-fns.ts

@@ -51,7 +51,8 @@ export const getDefaultOnPremFeatures = (): TFeatureSet => ({
   pkiEst: false,
   enforceMfa: false,
   projectTemplates: false,
-  kmip: false
+  kmip: false,
+  gateway: true
 });
 
 export const setupLicenseRequestWithStore = (baseURL: string, refreshUrl: string, licenseKey: string) => {

backend/src/ee/services/license/license-types.ts

@@ -69,6 +69,7 @@ export type TFeatureSet = {
   enforceMfa: boolean;
   projectTemplates: false;
   kmip: false;
+  gateway: true;
 };
 
 export type TOrgPlansTableDTO = {

backend/src/ee/services/permission/org-permission.ts

@@ -32,6 +32,14 @@ export enum OrgPermissionAdminConsoleAction {
   AccessAllProjects = "access-all-projects"
 }
 
+export enum OrgGatewayPermissionActions {
+  // is there a better word for this. This mean can an identity be a gateway
+  Create = "create",
+  Read = "read",
+  Edit = "edit",
+  Delete = "delete"
+}
+
 export enum OrgPermissionSubjects {
   Workspace = "workspace",
   Role = "role",
@@ -50,7 +58,8 @@ export enum OrgPermissionSubjects {
   AuditLogs = "audit-logs",
   ProjectTemplates = "project-templates",
   AppConnections = "app-connections",
-  Kmip = "kmip"
+  Kmip = "kmip",
+  Gateway = "gateway"
 }
 
 export type AppConnectionSubjectFields = {
@@ -73,6 +82,7 @@ export type OrgPermissionSet =
   | [OrgPermissionActions, OrgPermissionSubjects.Kms]
   | [OrgPermissionActions, OrgPermissionSubjects.AuditLogs]
   | [OrgPermissionActions, OrgPermissionSubjects.ProjectTemplates]
+  | [OrgGatewayPermissionActions, OrgPermissionSubjects.Gateway]
   | [
       OrgPermissionAppConnectionActions,
       (