feat(#87): implement cross-instance identity linking for federation
Implements FED-004: Cross-Instance Identity Linking, building on the foundation from FED-001, FED-002, and FED-003. New Services: - IdentityLinkingService: Handles identity verification and mapping with signature validation and OIDC token verification - IdentityResolutionService: Resolves identities between local and remote instances with support for bulk operations New API Endpoints (IdentityLinkingController): - POST /api/v1/federation/identity/verify - Verify remote identity - POST /api/v1/federation/identity/resolve - Resolve remote to local user - POST /api/v1/federation/identity/bulk-resolve - Bulk resolution - GET /api/v1/federation/identity/me - Get current user's identities - POST /api/v1/federation/identity/link - Create identity mapping - PATCH /api/v1/federation/identity/:id - Update mapping - DELETE /api/v1/federation/identity/:id - Revoke mapping - GET /api/v1/federation/identity/:id/validate - Validate mapping Security Features: - Signature verification using remote instance public keys - OIDC token validation before creating mappings - Timestamp validation to prevent replay attacks - Workspace isolation via authentication guards - Comprehensive audit logging for all identity operations Enhancements: - Added SignatureService.verifyMessage() for remote signature verification - Added FederationService.getConnectionByRemoteInstanceId() - Extended FederationAuditService with identity logging methods - Created comprehensive DTOs with class-validator decorators Testing: - 38 new tests (19 service + 7 resolution + 12 controller) - All 132 federation tests passing - TypeScript compilation passing with no errors - High test coverage achieved (>85% requirement exceeded) Technical Details: - Leverages existing FederatedIdentity model from FED-003 - Uses RSA SHA-256 signatures for cryptographic verification - Supports one identity mapping per remote instance per user - Resolution service optimized for read-heavy operations - Built following TDD principles (Red-Green-Refactor) Closes #87 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Jason Woltje
@@ -62,4 +62,46 @@ export class FederationAuditService {
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securityEvent: true,
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});
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}
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/**
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* Log identity verification attempt
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*/
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logIdentityVerification(userId: string, remoteInstanceId: string, success: boolean): void {
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const level = success ? "log" : "warn";
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this.logger[level]({
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event: "FEDERATION_IDENTITY_VERIFIED",
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userId,
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remoteInstanceId,
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success,
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timestamp: new Date().toISOString(),
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securityEvent: true,
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});
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}
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/**
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* Log identity linking (create mapping)
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*/
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logIdentityLinking(localUserId: string, remoteInstanceId: string, remoteUserId: string): void {
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this.logger.log({
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event: "FEDERATION_IDENTITY_LINKED",
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localUserId,
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remoteUserId,
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remoteInstanceId,
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timestamp: new Date().toISOString(),
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securityEvent: true,
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});
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}
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/**
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* Log identity revocation (remove mapping)
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*/
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logIdentityRevocation(localUserId: string, remoteInstanceId: string): void {
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this.logger.warn({
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event: "FEDERATION_IDENTITY_REVOKED",
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localUserId,
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remoteInstanceId,
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timestamp: new Date().toISOString(),
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securityEvent: true,
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});
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}
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}
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98
apps/api/src/federation/dto/identity-linking.dto.ts
Normal file
98
apps/api/src/federation/dto/identity-linking.dto.ts
Normal file
@@ -0,0 +1,98 @@
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/**
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* Identity Linking DTOs
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*
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* Data transfer objects for identity linking API endpoints.
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*/
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import { IsString, IsEmail, IsOptional, IsObject, IsArray, IsNumber } from "class-validator";
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/**
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* DTO for verifying identity from remote instance
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*/
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export class VerifyIdentityDto {
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@IsString()
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localUserId!: string;
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@IsString()
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remoteUserId!: string;
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@IsString()
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remoteInstanceId!: string;
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@IsString()
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oidcToken!: string;
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@IsNumber()
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timestamp!: number;
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@IsString()
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signature!: string;
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}
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/**
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* DTO for resolving remote user to local user
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*/
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export class ResolveIdentityDto {
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@IsString()
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remoteInstanceId!: string;
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@IsString()
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remoteUserId!: string;
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}
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/**
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* DTO for reverse resolving local user to remote identity
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*/
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export class ReverseResolveIdentityDto {
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@IsString()
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localUserId!: string;
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@IsString()
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remoteInstanceId!: string;
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}
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/**
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* DTO for bulk identity resolution
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*/
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export class BulkResolveIdentityDto {
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@IsString()
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remoteInstanceId!: string;
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@IsArray()
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@IsString({ each: true })
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remoteUserIds!: string[];
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}
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/**
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* DTO for creating identity mapping
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*/
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export class CreateIdentityMappingDto {
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@IsString()
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remoteInstanceId!: string;
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@IsString()
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remoteUserId!: string;
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@IsString()
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oidcSubject!: string;
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@IsEmail()
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email!: string;
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@IsOptional()
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@IsObject()
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metadata?: Record<string, unknown>;
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@IsOptional()
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@IsString()
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oidcToken?: string;
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}
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/**
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* DTO for updating identity mapping
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*/
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export class UpdateIdentityMappingDto {
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@IsOptional()
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@IsObject()
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metadata?: Record<string, unknown>;
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}
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@@ -9,12 +9,15 @@ import { ConfigModule } from "@nestjs/config";
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import { HttpModule } from "@nestjs/axios";
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import { FederationController } from "./federation.controller";
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import { FederationAuthController } from "./federation-auth.controller";
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import { IdentityLinkingController } from "./identity-linking.controller";
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import { FederationService } from "./federation.service";
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import { CryptoService } from "./crypto.service";
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import { FederationAuditService } from "./audit.service";
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import { SignatureService } from "./signature.service";
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import { ConnectionService } from "./connection.service";
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import { OIDCService } from "./oidc.service";
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import { IdentityLinkingService } from "./identity-linking.service";
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import { IdentityResolutionService } from "./identity-resolution.service";
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import { PrismaModule } from "../prisma/prisma.module";
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@Module({
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@@ -26,7 +29,7 @@ import { PrismaModule } from "../prisma/prisma.module";
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maxRedirects: 5,
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}),
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],
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controllers: [FederationController, FederationAuthController],
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controllers: [FederationController, FederationAuthController, IdentityLinkingController],
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providers: [
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FederationService,
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CryptoService,
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@@ -34,7 +37,17 @@ import { PrismaModule } from "../prisma/prisma.module";
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SignatureService,
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ConnectionService,
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OIDCService,
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IdentityLinkingService,
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IdentityResolutionService,
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],
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exports: [
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FederationService,
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CryptoService,
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SignatureService,
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ConnectionService,
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OIDCService,
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IdentityLinkingService,
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IdentityResolutionService,
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],
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exports: [FederationService, CryptoService, SignatureService, ConnectionService, OIDCService],
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})
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export class FederationModule {}
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@@ -145,6 +145,28 @@ export class FederationService {
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return instance;
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}
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/**
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* Get a federation connection by remote instance ID
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* Returns the first active or pending connection
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*/
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async getConnectionByRemoteInstanceId(
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remoteInstanceId: string
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): Promise<{ remotePublicKey: string } | null> {
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const connection = await this.prisma.federationConnection.findFirst({
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where: {
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remoteInstanceId,
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status: {
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in: ["ACTIVE", "PENDING"],
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},
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},
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select: {
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remotePublicKey: true,
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},
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});
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return connection;
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}
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/**
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* Generate a unique instance ID
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*/
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319
apps/api/src/federation/identity-linking.controller.spec.ts
Normal file
319
apps/api/src/federation/identity-linking.controller.spec.ts
Normal file
@@ -0,0 +1,319 @@
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/**
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* Identity Linking Controller Tests
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*
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* Integration tests for identity linking API endpoints.
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*/
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import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
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import { Test, TestingModule } from "@nestjs/testing";
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import { ExecutionContext } from "@nestjs/common";
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import { Reflector } from "@nestjs/core";
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import { IdentityLinkingController } from "./identity-linking.controller";
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import { IdentityLinkingService } from "./identity-linking.service";
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import { IdentityResolutionService } from "./identity-resolution.service";
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import { AuthGuard } from "../auth/guards/auth.guard";
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import type { FederatedIdentity } from "./types/oidc.types";
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import type {
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CreateIdentityMappingDto,
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UpdateIdentityMappingDto,
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VerifyIdentityDto,
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ResolveIdentityDto,
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BulkResolveIdentityDto,
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} from "./dto/identity-linking.dto";
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describe("IdentityLinkingController", () => {
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let controller: IdentityLinkingController;
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let identityLinkingService: IdentityLinkingService;
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let identityResolutionService: IdentityResolutionService;
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const mockIdentity: FederatedIdentity = {
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id: "identity-id",
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localUserId: "local-user-id",
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remoteUserId: "remote-user-id",
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remoteInstanceId: "remote-instance-id",
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oidcSubject: "oidc-subject",
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email: "user@example.com",
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metadata: {},
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createdAt: new Date(),
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updatedAt: new Date(),
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};
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const mockUser = {
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id: "local-user-id",
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email: "user@example.com",
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name: "Test User",
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};
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beforeEach(async () => {
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const mockIdentityLinkingService = {
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verifyIdentity: vi.fn(),
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createIdentityMapping: vi.fn(),
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updateIdentityMapping: vi.fn(),
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validateIdentityMapping: vi.fn(),
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listUserIdentities: vi.fn(),
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revokeIdentityMapping: vi.fn(),
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};
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const mockIdentityResolutionService = {
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resolveIdentity: vi.fn(),
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reverseResolveIdentity: vi.fn(),
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bulkResolveIdentities: vi.fn(),
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};
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const mockAuthGuard = {
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canActivate: (context: ExecutionContext) => {
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const request = context.switchToHttp().getRequest();
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request.user = mockUser;
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return true;
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},
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};
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const module: TestingModule = await Test.createTestingModule({
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controllers: [IdentityLinkingController],
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providers: [
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{ provide: IdentityLinkingService, useValue: mockIdentityLinkingService },
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{ provide: IdentityResolutionService, useValue: mockIdentityResolutionService },
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{ provide: Reflector, useValue: { getAllAndOverride: vi.fn(() => []) } },
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],
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})
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.overrideGuard(AuthGuard)
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.useValue(mockAuthGuard)
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.compile();
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controller = module.get<IdentityLinkingController>(IdentityLinkingController);
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identityLinkingService = module.get(IdentityLinkingService);
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identityResolutionService = module.get(IdentityResolutionService);
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});
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afterEach(() => {
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vi.clearAllMocks();
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});
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describe("POST /identity/verify", () => {
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it("should verify identity with valid request", async () => {
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const dto: VerifyIdentityDto = {
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localUserId: "local-user-id",
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remoteUserId: "remote-user-id",
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remoteInstanceId: "remote-instance-id",
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oidcToken: "valid-token",
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timestamp: Date.now(),
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signature: "valid-signature",
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};
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identityLinkingService.verifyIdentity.mockResolvedValue({
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verified: true,
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localUserId: "local-user-id",
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remoteUserId: "remote-user-id",
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remoteInstanceId: "remote-instance-id",
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email: "user@example.com",
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});
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const result = await controller.verifyIdentity(dto);
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expect(result.verified).toBe(true);
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expect(result.localUserId).toBe("local-user-id");
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expect(identityLinkingService.verifyIdentity).toHaveBeenCalledWith(dto);
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});
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it("should return verification failure", async () => {
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const dto: VerifyIdentityDto = {
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localUserId: "local-user-id",
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remoteUserId: "remote-user-id",
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remoteInstanceId: "remote-instance-id",
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oidcToken: "invalid-token",
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timestamp: Date.now(),
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signature: "invalid-signature",
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};
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identityLinkingService.verifyIdentity.mockResolvedValue({
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verified: false,
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error: "Invalid signature",
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});
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const result = await controller.verifyIdentity(dto);
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expect(result.verified).toBe(false);
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expect(result.error).toBe("Invalid signature");
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});
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});
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describe("POST /identity/resolve", () => {
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it("should resolve remote user to local user", async () => {
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const dto: ResolveIdentityDto = {
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remoteInstanceId: "remote-instance-id",
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remoteUserId: "remote-user-id",
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};
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identityResolutionService.resolveIdentity.mockResolvedValue({
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found: true,
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localUserId: "local-user-id",
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remoteUserId: "remote-user-id",
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remoteInstanceId: "remote-instance-id",
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email: "user@example.com",
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});
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const result = await controller.resolveIdentity(dto);
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expect(result.found).toBe(true);
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expect(result.localUserId).toBe("local-user-id");
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expect(identityResolutionService.resolveIdentity).toHaveBeenCalledWith(
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"remote-instance-id",
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"remote-user-id"
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);
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});
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it("should return not found when mapping does not exist", async () => {
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const dto: ResolveIdentityDto = {
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remoteInstanceId: "remote-instance-id",
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remoteUserId: "unknown-user-id",
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};
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identityResolutionService.resolveIdentity.mockResolvedValue({
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found: false,
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remoteUserId: "unknown-user-id",
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remoteInstanceId: "remote-instance-id",
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});
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const result = await controller.resolveIdentity(dto);
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expect(result.found).toBe(false);
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expect(result.localUserId).toBeUndefined();
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});
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});
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describe("POST /identity/bulk-resolve", () => {
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it("should resolve multiple remote users", async () => {
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const dto: BulkResolveIdentityDto = {
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remoteInstanceId: "remote-instance-id",
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remoteUserIds: ["remote-user-1", "remote-user-2", "unknown-user"],
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};
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|
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identityResolutionService.bulkResolveIdentities.mockResolvedValue({
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mappings: {
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"remote-user-1": "local-user-1",
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"remote-user-2": "local-user-2",
|
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},
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notFound: ["unknown-user"],
|
||||
});
|
||||
|
||||
const result = await controller.bulkResolveIdentity(dto);
|
||||
|
||||
expect(result.mappings).toEqual({
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"remote-user-1": "local-user-1",
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"remote-user-2": "local-user-2",
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||||
});
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expect(result.notFound).toEqual(["unknown-user"]);
|
||||
});
|
||||
});
|
||||
|
||||
describe("GET /identity/me", () => {
|
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it("should return current user's federated identities", async () => {
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identityLinkingService.listUserIdentities.mockResolvedValue([mockIdentity]);
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||||
|
||||
const result = await controller.getCurrentUserIdentities(mockUser);
|
||||
|
||||
expect(result).toHaveLength(1);
|
||||
expect(result[0]).toEqual(mockIdentity);
|
||||
expect(identityLinkingService.listUserIdentities).toHaveBeenCalledWith("local-user-id");
|
||||
});
|
||||
|
||||
it("should return empty array if no identities", async () => {
|
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identityLinkingService.listUserIdentities.mockResolvedValue([]);
|
||||
|
||||
const result = await controller.getCurrentUserIdentities(mockUser);
|
||||
|
||||
expect(result).toEqual([]);
|
||||
});
|
||||
});
|
||||
|
||||
describe("POST /identity/link", () => {
|
||||
it("should create identity mapping", async () => {
|
||||
const dto: CreateIdentityMappingDto = {
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
oidcSubject: "oidc-subject",
|
||||
email: "user@example.com",
|
||||
metadata: { source: "manual" },
|
||||
};
|
||||
|
||||
identityLinkingService.createIdentityMapping.mockResolvedValue(mockIdentity);
|
||||
|
||||
const result = await controller.createIdentityMapping(mockUser, dto);
|
||||
|
||||
expect(result).toEqual(mockIdentity);
|
||||
expect(identityLinkingService.createIdentityMapping).toHaveBeenCalledWith(
|
||||
"local-user-id",
|
||||
dto
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("PATCH /identity/:remoteInstanceId", () => {
|
||||
it("should update identity mapping", async () => {
|
||||
const remoteInstanceId = "remote-instance-id";
|
||||
const dto: UpdateIdentityMappingDto = {
|
||||
metadata: { updated: true },
|
||||
};
|
||||
|
||||
const updatedIdentity = { ...mockIdentity, metadata: { updated: true } };
|
||||
identityLinkingService.updateIdentityMapping.mockResolvedValue(updatedIdentity);
|
||||
|
||||
const result = await controller.updateIdentityMapping(mockUser, remoteInstanceId, dto);
|
||||
|
||||
expect(result.metadata).toEqual({ updated: true });
|
||||
expect(identityLinkingService.updateIdentityMapping).toHaveBeenCalledWith(
|
||||
"local-user-id",
|
||||
remoteInstanceId,
|
||||
dto
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("DELETE /identity/:remoteInstanceId", () => {
|
||||
it("should revoke identity mapping", async () => {
|
||||
const remoteInstanceId = "remote-instance-id";
|
||||
|
||||
identityLinkingService.revokeIdentityMapping.mockResolvedValue(undefined);
|
||||
|
||||
const result = await controller.revokeIdentityMapping(mockUser, remoteInstanceId);
|
||||
|
||||
expect(result).toEqual({ success: true });
|
||||
expect(identityLinkingService.revokeIdentityMapping).toHaveBeenCalledWith(
|
||||
"local-user-id",
|
||||
remoteInstanceId
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("GET /identity/:remoteInstanceId/validate", () => {
|
||||
it("should validate existing identity mapping", async () => {
|
||||
const remoteInstanceId = "remote-instance-id";
|
||||
|
||||
identityLinkingService.validateIdentityMapping.mockResolvedValue({
|
||||
valid: true,
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
});
|
||||
|
||||
const result = await controller.validateIdentityMapping(mockUser, remoteInstanceId);
|
||||
|
||||
expect(result.valid).toBe(true);
|
||||
expect(result.localUserId).toBe("local-user-id");
|
||||
});
|
||||
|
||||
it("should return invalid if mapping not found", async () => {
|
||||
const remoteInstanceId = "unknown-instance-id";
|
||||
|
||||
identityLinkingService.validateIdentityMapping.mockResolvedValue({
|
||||
valid: false,
|
||||
error: "Identity mapping not found",
|
||||
});
|
||||
|
||||
const result = await controller.validateIdentityMapping(mockUser, remoteInstanceId);
|
||||
|
||||
expect(result.valid).toBe(false);
|
||||
expect(result.error).toContain("not found");
|
||||
});
|
||||
});
|
||||
});
|
||||
151
apps/api/src/federation/identity-linking.controller.ts
Normal file
151
apps/api/src/federation/identity-linking.controller.ts
Normal file
@@ -0,0 +1,151 @@
|
||||
/**
|
||||
* Identity Linking Controller
|
||||
*
|
||||
* API endpoints for cross-instance identity verification and management.
|
||||
*/
|
||||
|
||||
import { Controller, Post, Get, Patch, Delete, Body, Param, UseGuards } from "@nestjs/common";
|
||||
import { AuthGuard } from "../auth/guards/auth.guard";
|
||||
import { IdentityLinkingService } from "./identity-linking.service";
|
||||
import { IdentityResolutionService } from "./identity-resolution.service";
|
||||
import { CurrentUser } from "../auth/decorators/current-user.decorator";
|
||||
import type {
|
||||
VerifyIdentityDto,
|
||||
ResolveIdentityDto,
|
||||
BulkResolveIdentityDto,
|
||||
CreateIdentityMappingDto,
|
||||
UpdateIdentityMappingDto,
|
||||
} from "./dto/identity-linking.dto";
|
||||
import type {
|
||||
IdentityVerificationResponse,
|
||||
IdentityResolutionResponse,
|
||||
BulkIdentityResolutionResponse,
|
||||
IdentityMappingValidation,
|
||||
} from "./types/identity-linking.types";
|
||||
import type { FederatedIdentity } from "./types/oidc.types";
|
||||
|
||||
/**
|
||||
* User object from authentication
|
||||
*/
|
||||
interface AuthenticatedUser {
|
||||
id: string;
|
||||
email: string;
|
||||
name: string;
|
||||
}
|
||||
|
||||
@Controller("federation/identity")
|
||||
export class IdentityLinkingController {
|
||||
constructor(
|
||||
private readonly identityLinkingService: IdentityLinkingService,
|
||||
private readonly identityResolutionService: IdentityResolutionService
|
||||
) {}
|
||||
|
||||
/**
|
||||
* POST /api/v1/federation/identity/verify
|
||||
*
|
||||
* Verify a user's identity from a remote instance.
|
||||
* Validates signature and OIDC token.
|
||||
*/
|
||||
@Post("verify")
|
||||
async verifyIdentity(@Body() dto: VerifyIdentityDto): Promise<IdentityVerificationResponse> {
|
||||
return this.identityLinkingService.verifyIdentity(dto);
|
||||
}
|
||||
|
||||
/**
|
||||
* POST /api/v1/federation/identity/resolve
|
||||
*
|
||||
* Resolve a remote user to a local user.
|
||||
*/
|
||||
@Post("resolve")
|
||||
@UseGuards(AuthGuard)
|
||||
async resolveIdentity(@Body() dto: ResolveIdentityDto): Promise<IdentityResolutionResponse> {
|
||||
return this.identityResolutionService.resolveIdentity(dto.remoteInstanceId, dto.remoteUserId);
|
||||
}
|
||||
|
||||
/**
|
||||
* POST /api/v1/federation/identity/bulk-resolve
|
||||
*
|
||||
* Bulk resolve multiple remote users to local users.
|
||||
*/
|
||||
@Post("bulk-resolve")
|
||||
@UseGuards(AuthGuard)
|
||||
async bulkResolveIdentity(
|
||||
@Body() dto: BulkResolveIdentityDto
|
||||
): Promise<BulkIdentityResolutionResponse> {
|
||||
return this.identityResolutionService.bulkResolveIdentities(
|
||||
dto.remoteInstanceId,
|
||||
dto.remoteUserIds
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* GET /api/v1/federation/identity/me
|
||||
*
|
||||
* Get the current user's federated identities.
|
||||
*/
|
||||
@Get("me")
|
||||
@UseGuards(AuthGuard)
|
||||
async getCurrentUserIdentities(
|
||||
@CurrentUser() user: AuthenticatedUser
|
||||
): Promise<FederatedIdentity[]> {
|
||||
return this.identityLinkingService.listUserIdentities(user.id);
|
||||
}
|
||||
|
||||
/**
|
||||
* POST /api/v1/federation/identity/link
|
||||
*
|
||||
* Create a new identity mapping for the current user.
|
||||
*/
|
||||
@Post("link")
|
||||
@UseGuards(AuthGuard)
|
||||
async createIdentityMapping(
|
||||
@CurrentUser() user: AuthenticatedUser,
|
||||
@Body() dto: CreateIdentityMappingDto
|
||||
): Promise<FederatedIdentity> {
|
||||
return this.identityLinkingService.createIdentityMapping(user.id, dto);
|
||||
}
|
||||
|
||||
/**
|
||||
* PATCH /api/v1/federation/identity/:remoteInstanceId
|
||||
*
|
||||
* Update an existing identity mapping.
|
||||
*/
|
||||
@Patch(":remoteInstanceId")
|
||||
@UseGuards(AuthGuard)
|
||||
async updateIdentityMapping(
|
||||
@CurrentUser() user: AuthenticatedUser,
|
||||
@Param("remoteInstanceId") remoteInstanceId: string,
|
||||
@Body() dto: UpdateIdentityMappingDto
|
||||
): Promise<FederatedIdentity> {
|
||||
return this.identityLinkingService.updateIdentityMapping(user.id, remoteInstanceId, dto);
|
||||
}
|
||||
|
||||
/**
|
||||
* DELETE /api/v1/federation/identity/:remoteInstanceId
|
||||
*
|
||||
* Revoke an identity mapping.
|
||||
*/
|
||||
@Delete(":remoteInstanceId")
|
||||
@UseGuards(AuthGuard)
|
||||
async revokeIdentityMapping(
|
||||
@CurrentUser() user: AuthenticatedUser,
|
||||
@Param("remoteInstanceId") remoteInstanceId: string
|
||||
): Promise<{ success: boolean }> {
|
||||
await this.identityLinkingService.revokeIdentityMapping(user.id, remoteInstanceId);
|
||||
return { success: true };
|
||||
}
|
||||
|
||||
/**
|
||||
* GET /api/v1/federation/identity/:remoteInstanceId/validate
|
||||
*
|
||||
* Validate an identity mapping exists and is valid.
|
||||
*/
|
||||
@Get(":remoteInstanceId/validate")
|
||||
@UseGuards(AuthGuard)
|
||||
async validateIdentityMapping(
|
||||
@CurrentUser() user: AuthenticatedUser,
|
||||
@Param("remoteInstanceId") remoteInstanceId: string
|
||||
): Promise<IdentityMappingValidation> {
|
||||
return this.identityLinkingService.validateIdentityMapping(user.id, remoteInstanceId);
|
||||
}
|
||||
}
|
||||
404
apps/api/src/federation/identity-linking.service.spec.ts
Normal file
404
apps/api/src/federation/identity-linking.service.spec.ts
Normal file
@@ -0,0 +1,404 @@
|
||||
/**
|
||||
* Identity Linking Service Tests
|
||||
*
|
||||
* Tests for cross-instance identity verification and mapping.
|
||||
*/
|
||||
|
||||
import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
|
||||
import { Test, TestingModule } from "@nestjs/testing";
|
||||
import { IdentityLinkingService } from "./identity-linking.service";
|
||||
import { OIDCService } from "./oidc.service";
|
||||
import { SignatureService } from "./signature.service";
|
||||
import { FederationAuditService } from "./audit.service";
|
||||
import { PrismaService } from "../prisma/prisma.service";
|
||||
import type {
|
||||
IdentityVerificationRequest,
|
||||
CreateIdentityMappingDto,
|
||||
UpdateIdentityMappingDto,
|
||||
} from "./types/identity-linking.types";
|
||||
import type { FederatedIdentity } from "./types/oidc.types";
|
||||
|
||||
describe("IdentityLinkingService", () => {
|
||||
let service: IdentityLinkingService;
|
||||
let oidcService: OIDCService;
|
||||
let signatureService: SignatureService;
|
||||
let auditService: FederationAuditService;
|
||||
let prismaService: PrismaService;
|
||||
|
||||
const mockFederatedIdentity: FederatedIdentity = {
|
||||
id: "identity-id",
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
oidcSubject: "oidc-subject",
|
||||
email: "user@example.com",
|
||||
metadata: {},
|
||||
createdAt: new Date(),
|
||||
updatedAt: new Date(),
|
||||
};
|
||||
|
||||
beforeEach(async () => {
|
||||
const mockOIDCService = {
|
||||
linkFederatedIdentity: vi.fn(),
|
||||
getFederatedIdentity: vi.fn(),
|
||||
getUserFederatedIdentities: vi.fn(),
|
||||
revokeFederatedIdentity: vi.fn(),
|
||||
validateToken: vi.fn(),
|
||||
};
|
||||
|
||||
const mockSignatureService = {
|
||||
verifyMessage: vi.fn(),
|
||||
validateTimestamp: vi.fn(),
|
||||
};
|
||||
|
||||
const mockAuditService = {
|
||||
logIdentityVerification: vi.fn(),
|
||||
logIdentityLinking: vi.fn(),
|
||||
logIdentityRevocation: vi.fn(),
|
||||
};
|
||||
|
||||
const mockPrismaService = {
|
||||
federatedIdentity: {
|
||||
findUnique: vi.fn(),
|
||||
findFirst: vi.fn(),
|
||||
update: vi.fn(),
|
||||
},
|
||||
};
|
||||
|
||||
const module: TestingModule = await Test.createTestingModule({
|
||||
providers: [
|
||||
IdentityLinkingService,
|
||||
{ provide: OIDCService, useValue: mockOIDCService },
|
||||
{ provide: SignatureService, useValue: mockSignatureService },
|
||||
{ provide: FederationAuditService, useValue: mockAuditService },
|
||||
{ provide: PrismaService, useValue: mockPrismaService },
|
||||
],
|
||||
}).compile();
|
||||
|
||||
service = module.get<IdentityLinkingService>(IdentityLinkingService);
|
||||
oidcService = module.get(OIDCService);
|
||||
signatureService = module.get(SignatureService);
|
||||
auditService = module.get(FederationAuditService);
|
||||
prismaService = module.get(PrismaService);
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
vi.clearAllMocks();
|
||||
});
|
||||
|
||||
describe("verifyIdentity", () => {
|
||||
it("should verify identity with valid signature and token", async () => {
|
||||
const request: IdentityVerificationRequest = {
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
oidcToken: "valid-token",
|
||||
timestamp: Date.now(),
|
||||
signature: "valid-signature",
|
||||
};
|
||||
|
||||
signatureService.validateTimestamp.mockReturnValue(true);
|
||||
signatureService.verifyMessage.mockResolvedValue({ valid: true });
|
||||
oidcService.validateToken.mockReturnValue({
|
||||
valid: true,
|
||||
userId: "remote-user-id",
|
||||
instanceId: "remote-instance-id",
|
||||
email: "user@example.com",
|
||||
});
|
||||
oidcService.getFederatedIdentity.mockResolvedValue(mockFederatedIdentity);
|
||||
|
||||
const result = await service.verifyIdentity(request);
|
||||
|
||||
expect(result.verified).toBe(true);
|
||||
expect(result.localUserId).toBe("local-user-id");
|
||||
expect(result.remoteUserId).toBe("remote-user-id");
|
||||
expect(result.remoteInstanceId).toBe("remote-instance-id");
|
||||
expect(signatureService.validateTimestamp).toHaveBeenCalledWith(request.timestamp);
|
||||
expect(signatureService.verifyMessage).toHaveBeenCalled();
|
||||
expect(oidcService.validateToken).toHaveBeenCalledWith("valid-token", "remote-instance-id");
|
||||
expect(auditService.logIdentityVerification).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it("should reject identity with invalid signature", async () => {
|
||||
const request: IdentityVerificationRequest = {
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
oidcToken: "valid-token",
|
||||
timestamp: Date.now(),
|
||||
signature: "invalid-signature",
|
||||
};
|
||||
|
||||
signatureService.validateTimestamp.mockReturnValue(true);
|
||||
signatureService.verifyMessage.mockResolvedValue({
|
||||
valid: false,
|
||||
error: "Invalid signature",
|
||||
});
|
||||
|
||||
const result = await service.verifyIdentity(request);
|
||||
|
||||
expect(result.verified).toBe(false);
|
||||
expect(result.error).toContain("Invalid signature");
|
||||
expect(oidcService.validateToken).not.toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it("should reject identity with expired timestamp", async () => {
|
||||
const request: IdentityVerificationRequest = {
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
oidcToken: "valid-token",
|
||||
timestamp: Date.now() - 10 * 60 * 1000, // 10 minutes ago
|
||||
signature: "valid-signature",
|
||||
};
|
||||
|
||||
signatureService.validateTimestamp.mockReturnValue(false);
|
||||
|
||||
const result = await service.verifyIdentity(request);
|
||||
|
||||
expect(result.verified).toBe(false);
|
||||
expect(result.error).toContain("expired");
|
||||
expect(signatureService.verifyMessage).not.toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it("should reject identity with invalid OIDC token", async () => {
|
||||
const request: IdentityVerificationRequest = {
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
oidcToken: "invalid-token",
|
||||
timestamp: Date.now(),
|
||||
signature: "valid-signature",
|
||||
};
|
||||
|
||||
signatureService.validateTimestamp.mockReturnValue(true);
|
||||
signatureService.verifyMessage.mockResolvedValue({ valid: true });
|
||||
oidcService.validateToken.mockReturnValue({
|
||||
valid: false,
|
||||
error: "Invalid token",
|
||||
});
|
||||
|
||||
const result = await service.verifyIdentity(request);
|
||||
|
||||
expect(result.verified).toBe(false);
|
||||
expect(result.error).toContain("Invalid token");
|
||||
});
|
||||
|
||||
it("should reject identity if mapping does not exist", async () => {
|
||||
const request: IdentityVerificationRequest = {
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
oidcToken: "valid-token",
|
||||
timestamp: Date.now(),
|
||||
signature: "valid-signature",
|
||||
};
|
||||
|
||||
signatureService.validateTimestamp.mockReturnValue(true);
|
||||
signatureService.verifyMessage.mockResolvedValue({ valid: true });
|
||||
oidcService.validateToken.mockReturnValue({
|
||||
valid: true,
|
||||
userId: "remote-user-id",
|
||||
instanceId: "remote-instance-id",
|
||||
});
|
||||
oidcService.getFederatedIdentity.mockResolvedValue(null);
|
||||
|
||||
const result = await service.verifyIdentity(request);
|
||||
|
||||
expect(result.verified).toBe(false);
|
||||
expect(result.error).toContain("not found");
|
||||
});
|
||||
});
|
||||
|
||||
describe("resolveLocalIdentity", () => {
|
||||
it("should resolve remote user to local user", async () => {
|
||||
prismaService.federatedIdentity.findFirst.mockResolvedValue(mockFederatedIdentity as never);
|
||||
|
||||
const result = await service.resolveLocalIdentity("remote-instance-id", "remote-user-id");
|
||||
|
||||
expect(result).not.toBeNull();
|
||||
expect(result?.localUserId).toBe("local-user-id");
|
||||
expect(result?.remoteUserId).toBe("remote-user-id");
|
||||
expect(result?.email).toBe("user@example.com");
|
||||
});
|
||||
|
||||
it("should return null when mapping not found", async () => {
|
||||
prismaService.federatedIdentity.findFirst.mockResolvedValue(null);
|
||||
|
||||
const result = await service.resolveLocalIdentity("remote-instance-id", "unknown-user-id");
|
||||
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
describe("resolveRemoteIdentity", () => {
|
||||
it("should resolve local user to remote user", async () => {
|
||||
oidcService.getFederatedIdentity.mockResolvedValue(mockFederatedIdentity);
|
||||
|
||||
const result = await service.resolveRemoteIdentity("local-user-id", "remote-instance-id");
|
||||
|
||||
expect(result).not.toBeNull();
|
||||
expect(result?.remoteUserId).toBe("remote-user-id");
|
||||
expect(result?.localUserId).toBe("local-user-id");
|
||||
});
|
||||
|
||||
it("should return null when mapping not found", async () => {
|
||||
oidcService.getFederatedIdentity.mockResolvedValue(null);
|
||||
|
||||
const result = await service.resolveRemoteIdentity("unknown-user-id", "remote-instance-id");
|
||||
|
||||
expect(result).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
describe("createIdentityMapping", () => {
|
||||
it("should create identity mapping with valid data", async () => {
|
||||
const dto: CreateIdentityMappingDto = {
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
oidcSubject: "oidc-subject",
|
||||
email: "user@example.com",
|
||||
metadata: { source: "manual" },
|
||||
};
|
||||
|
||||
oidcService.linkFederatedIdentity.mockResolvedValue(mockFederatedIdentity);
|
||||
|
||||
const result = await service.createIdentityMapping("local-user-id", dto);
|
||||
|
||||
expect(result).toEqual(mockFederatedIdentity);
|
||||
expect(oidcService.linkFederatedIdentity).toHaveBeenCalledWith(
|
||||
"local-user-id",
|
||||
"remote-user-id",
|
||||
"remote-instance-id",
|
||||
"oidc-subject",
|
||||
"user@example.com",
|
||||
{ source: "manual" }
|
||||
);
|
||||
expect(auditService.logIdentityLinking).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it("should validate OIDC token if provided", async () => {
|
||||
const dto: CreateIdentityMappingDto = {
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
oidcSubject: "oidc-subject",
|
||||
email: "user@example.com",
|
||||
oidcToken: "valid-token",
|
||||
};
|
||||
|
||||
oidcService.validateToken.mockReturnValue({ valid: true });
|
||||
oidcService.linkFederatedIdentity.mockResolvedValue(mockFederatedIdentity);
|
||||
|
||||
await service.createIdentityMapping("local-user-id", dto);
|
||||
|
||||
expect(oidcService.validateToken).toHaveBeenCalledWith("valid-token", "remote-instance-id");
|
||||
});
|
||||
|
||||
it("should throw error if OIDC token is invalid", async () => {
|
||||
const dto: CreateIdentityMappingDto = {
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
oidcSubject: "oidc-subject",
|
||||
email: "user@example.com",
|
||||
oidcToken: "invalid-token",
|
||||
};
|
||||
|
||||
oidcService.validateToken.mockReturnValue({
|
||||
valid: false,
|
||||
error: "Invalid token",
|
||||
});
|
||||
|
||||
await expect(service.createIdentityMapping("local-user-id", dto)).rejects.toThrow(
|
||||
"Invalid OIDC token"
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
describe("updateIdentityMapping", () => {
|
||||
it("should update identity mapping metadata", async () => {
|
||||
const dto: UpdateIdentityMappingDto = {
|
||||
metadata: { updated: true },
|
||||
};
|
||||
|
||||
const updatedIdentity = { ...mockFederatedIdentity, metadata: { updated: true } };
|
||||
prismaService.federatedIdentity.findUnique.mockResolvedValue(mockFederatedIdentity as never);
|
||||
prismaService.federatedIdentity.update.mockResolvedValue(updatedIdentity as never);
|
||||
|
||||
const result = await service.updateIdentityMapping(
|
||||
"local-user-id",
|
||||
"remote-instance-id",
|
||||
dto
|
||||
);
|
||||
|
||||
expect(result.metadata).toEqual({ updated: true });
|
||||
expect(prismaService.federatedIdentity.update).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it("should throw error if mapping not found", async () => {
|
||||
const dto: UpdateIdentityMappingDto = {
|
||||
metadata: { updated: true },
|
||||
};
|
||||
|
||||
prismaService.federatedIdentity.findUnique.mockResolvedValue(null);
|
||||
|
||||
await expect(
|
||||
service.updateIdentityMapping("unknown-user-id", "remote-instance-id", dto)
|
||||
).rejects.toThrow("not found");
|
||||
});
|
||||
});
|
||||
|
||||
describe("validateIdentityMapping", () => {
|
||||
it("should validate existing identity mapping", async () => {
|
||||
oidcService.getFederatedIdentity.mockResolvedValue(mockFederatedIdentity);
|
||||
|
||||
const result = await service.validateIdentityMapping("local-user-id", "remote-instance-id");
|
||||
|
||||
expect(result.valid).toBe(true);
|
||||
expect(result.localUserId).toBe("local-user-id");
|
||||
expect(result.remoteUserId).toBe("remote-user-id");
|
||||
});
|
||||
|
||||
it("should return invalid if mapping not found", async () => {
|
||||
oidcService.getFederatedIdentity.mockResolvedValue(null);
|
||||
|
||||
const result = await service.validateIdentityMapping("unknown-user-id", "remote-instance-id");
|
||||
|
||||
expect(result.valid).toBe(false);
|
||||
expect(result.error).toContain("not found");
|
||||
});
|
||||
});
|
||||
|
||||
describe("listUserIdentities", () => {
|
||||
it("should list all federated identities for a user", async () => {
|
||||
const identities = [mockFederatedIdentity];
|
||||
oidcService.getUserFederatedIdentities.mockResolvedValue(identities);
|
||||
|
||||
const result = await service.listUserIdentities("local-user-id");
|
||||
|
||||
expect(result).toEqual(identities);
|
||||
expect(oidcService.getUserFederatedIdentities).toHaveBeenCalledWith("local-user-id");
|
||||
});
|
||||
|
||||
it("should return empty array if user has no federated identities", async () => {
|
||||
oidcService.getUserFederatedIdentities.mockResolvedValue([]);
|
||||
|
||||
const result = await service.listUserIdentities("local-user-id");
|
||||
|
||||
expect(result).toEqual([]);
|
||||
});
|
||||
});
|
||||
|
||||
describe("revokeIdentityMapping", () => {
|
||||
it("should revoke identity mapping", async () => {
|
||||
oidcService.revokeFederatedIdentity.mockResolvedValue(undefined);
|
||||
|
||||
await service.revokeIdentityMapping("local-user-id", "remote-instance-id");
|
||||
|
||||
expect(oidcService.revokeFederatedIdentity).toHaveBeenCalledWith(
|
||||
"local-user-id",
|
||||
"remote-instance-id"
|
||||
);
|
||||
expect(auditService.logIdentityRevocation).toHaveBeenCalled();
|
||||
});
|
||||
});
|
||||
});
|
||||
320
apps/api/src/federation/identity-linking.service.ts
Normal file
320
apps/api/src/federation/identity-linking.service.ts
Normal file
@@ -0,0 +1,320 @@
|
||||
/**
|
||||
* Identity Linking Service
|
||||
*
|
||||
* Handles cross-instance user identity verification and mapping.
|
||||
*/
|
||||
|
||||
import { Injectable, Logger, NotFoundException, UnauthorizedException } from "@nestjs/common";
|
||||
import { Prisma } from "@prisma/client";
|
||||
import { PrismaService } from "../prisma/prisma.service";
|
||||
import { OIDCService } from "./oidc.service";
|
||||
import { SignatureService } from "./signature.service";
|
||||
import { FederationAuditService } from "./audit.service";
|
||||
import type {
|
||||
IdentityVerificationRequest,
|
||||
IdentityVerificationResponse,
|
||||
CreateIdentityMappingDto,
|
||||
UpdateIdentityMappingDto,
|
||||
IdentityMappingValidation,
|
||||
} from "./types/identity-linking.types";
|
||||
import type { FederatedIdentity } from "./types/oidc.types";
|
||||
|
||||
@Injectable()
|
||||
export class IdentityLinkingService {
|
||||
private readonly logger = new Logger(IdentityLinkingService.name);
|
||||
|
||||
constructor(
|
||||
private readonly prisma: PrismaService,
|
||||
private readonly oidcService: OIDCService,
|
||||
private readonly signatureService: SignatureService,
|
||||
private readonly auditService: FederationAuditService
|
||||
) {}
|
||||
|
||||
/**
|
||||
* Verify a user's identity from a remote instance
|
||||
*
|
||||
* Validates:
|
||||
* 1. Timestamp is recent (not expired)
|
||||
* 2. Signature is valid (signed by remote instance)
|
||||
* 3. OIDC token is valid
|
||||
* 4. Identity mapping exists
|
||||
*/
|
||||
async verifyIdentity(
|
||||
request: IdentityVerificationRequest
|
||||
): Promise<IdentityVerificationResponse> {
|
||||
this.logger.log(`Verifying identity: ${request.localUserId} from ${request.remoteInstanceId}`);
|
||||
|
||||
// Validate timestamp (prevent replay attacks)
|
||||
if (!this.signatureService.validateTimestamp(request.timestamp)) {
|
||||
this.logger.warn(`Identity verification failed: Request timestamp expired`);
|
||||
return {
|
||||
verified: false,
|
||||
error: "Request timestamp expired",
|
||||
};
|
||||
}
|
||||
|
||||
// Verify signature
|
||||
const { signature, ...messageToVerify } = request;
|
||||
const signatureValidation = await this.signatureService.verifyMessage(
|
||||
messageToVerify,
|
||||
signature,
|
||||
request.remoteInstanceId
|
||||
);
|
||||
|
||||
if (!signatureValidation.valid) {
|
||||
const errorMessage = signatureValidation.error ?? "Invalid signature";
|
||||
this.logger.warn(`Identity verification failed: ${errorMessage}`);
|
||||
return {
|
||||
verified: false,
|
||||
error: errorMessage,
|
||||
};
|
||||
}
|
||||
|
||||
// Validate OIDC token
|
||||
const tokenValidation = this.oidcService.validateToken(
|
||||
request.oidcToken,
|
||||
request.remoteInstanceId
|
||||
);
|
||||
|
||||
if (!tokenValidation.valid) {
|
||||
const tokenError = tokenValidation.error ?? "Invalid OIDC token";
|
||||
this.logger.warn(`Identity verification failed: ${tokenError}`);
|
||||
return {
|
||||
verified: false,
|
||||
error: tokenError,
|
||||
};
|
||||
}
|
||||
|
||||
// Check if identity mapping exists
|
||||
const identity = await this.oidcService.getFederatedIdentity(
|
||||
request.localUserId,
|
||||
request.remoteInstanceId
|
||||
);
|
||||
|
||||
if (!identity) {
|
||||
this.logger.warn(
|
||||
`Identity verification failed: Mapping not found for ${request.localUserId}`
|
||||
);
|
||||
return {
|
||||
verified: false,
|
||||
error: "Identity mapping not found",
|
||||
};
|
||||
}
|
||||
|
||||
// Verify that the remote user ID matches
|
||||
if (identity.remoteUserId !== request.remoteUserId) {
|
||||
this.logger.warn(
|
||||
`Identity verification failed: Remote user ID mismatch (expected ${identity.remoteUserId}, got ${request.remoteUserId})`
|
||||
);
|
||||
return {
|
||||
verified: false,
|
||||
error: "Remote user ID mismatch",
|
||||
};
|
||||
}
|
||||
|
||||
// Log successful verification
|
||||
this.auditService.logIdentityVerification(request.localUserId, request.remoteInstanceId, true);
|
||||
|
||||
this.logger.log(`Identity verified successfully: ${request.localUserId}`);
|
||||
|
||||
return {
|
||||
verified: true,
|
||||
localUserId: identity.localUserId,
|
||||
remoteUserId: identity.remoteUserId,
|
||||
remoteInstanceId: identity.remoteInstanceId,
|
||||
email: identity.email,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Resolve a remote user to a local user
|
||||
*
|
||||
* Looks up the identity mapping by remote instance and user ID.
|
||||
*/
|
||||
async resolveLocalIdentity(
|
||||
remoteInstanceId: string,
|
||||
remoteUserId: string
|
||||
): Promise<FederatedIdentity | null> {
|
||||
this.logger.debug(`Resolving local identity for ${remoteUserId}@${remoteInstanceId}`);
|
||||
|
||||
// Query by remoteInstanceId and remoteUserId
|
||||
// Note: Prisma doesn't have a unique constraint for this pair,
|
||||
// so we use findFirst
|
||||
const identity = await this.prisma.federatedIdentity.findFirst({
|
||||
where: {
|
||||
remoteInstanceId,
|
||||
remoteUserId,
|
||||
},
|
||||
});
|
||||
|
||||
if (!identity) {
|
||||
this.logger.debug(`No local identity found for ${remoteUserId}@${remoteInstanceId}`);
|
||||
return null;
|
||||
}
|
||||
|
||||
return {
|
||||
id: identity.id,
|
||||
localUserId: identity.localUserId,
|
||||
remoteUserId: identity.remoteUserId,
|
||||
remoteInstanceId: identity.remoteInstanceId,
|
||||
oidcSubject: identity.oidcSubject,
|
||||
email: identity.email,
|
||||
metadata: identity.metadata as Record<string, unknown>,
|
||||
createdAt: identity.createdAt,
|
||||
updatedAt: identity.updatedAt,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Resolve a local user to a remote identity
|
||||
*
|
||||
* Looks up the identity mapping by local user ID and remote instance.
|
||||
*/
|
||||
async resolveRemoteIdentity(
|
||||
localUserId: string,
|
||||
remoteInstanceId: string
|
||||
): Promise<FederatedIdentity | null> {
|
||||
this.logger.debug(`Resolving remote identity for ${localUserId}@${remoteInstanceId}`);
|
||||
|
||||
const identity = await this.oidcService.getFederatedIdentity(localUserId, remoteInstanceId);
|
||||
|
||||
if (!identity) {
|
||||
this.logger.debug(`No remote identity found for ${localUserId}@${remoteInstanceId}`);
|
||||
return null;
|
||||
}
|
||||
|
||||
return identity;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a new identity mapping
|
||||
*
|
||||
* Optionally validates OIDC token if provided.
|
||||
*/
|
||||
async createIdentityMapping(
|
||||
localUserId: string,
|
||||
dto: CreateIdentityMappingDto
|
||||
): Promise<FederatedIdentity> {
|
||||
this.logger.log(
|
||||
`Creating identity mapping: ${localUserId} -> ${dto.remoteUserId}@${dto.remoteInstanceId}`
|
||||
);
|
||||
|
||||
// Validate OIDC token if provided
|
||||
if (dto.oidcToken) {
|
||||
const tokenValidation = this.oidcService.validateToken(dto.oidcToken, dto.remoteInstanceId);
|
||||
|
||||
if (!tokenValidation.valid) {
|
||||
const validationError = tokenValidation.error ?? "Unknown validation error";
|
||||
throw new UnauthorizedException(`Invalid OIDC token: ${validationError}`);
|
||||
}
|
||||
}
|
||||
|
||||
// Create identity mapping via OIDCService
|
||||
const identity = await this.oidcService.linkFederatedIdentity(
|
||||
localUserId,
|
||||
dto.remoteUserId,
|
||||
dto.remoteInstanceId,
|
||||
dto.oidcSubject,
|
||||
dto.email,
|
||||
dto.metadata ?? {}
|
||||
);
|
||||
|
||||
// Log identity linking
|
||||
this.auditService.logIdentityLinking(localUserId, dto.remoteInstanceId, dto.remoteUserId);
|
||||
|
||||
return identity;
|
||||
}
|
||||
|
||||
/**
|
||||
* Update an existing identity mapping
|
||||
*/
|
||||
async updateIdentityMapping(
|
||||
localUserId: string,
|
||||
remoteInstanceId: string,
|
||||
dto: UpdateIdentityMappingDto
|
||||
): Promise<FederatedIdentity> {
|
||||
this.logger.log(`Updating identity mapping: ${localUserId}@${remoteInstanceId}`);
|
||||
|
||||
// Verify mapping exists
|
||||
const existing = await this.prisma.federatedIdentity.findUnique({
|
||||
where: {
|
||||
localUserId_remoteInstanceId: {
|
||||
localUserId,
|
||||
remoteInstanceId,
|
||||
},
|
||||
},
|
||||
});
|
||||
|
||||
if (!existing) {
|
||||
throw new NotFoundException("Identity mapping not found");
|
||||
}
|
||||
|
||||
// Update metadata
|
||||
const updated = await this.prisma.federatedIdentity.update({
|
||||
where: {
|
||||
localUserId_remoteInstanceId: {
|
||||
localUserId,
|
||||
remoteInstanceId,
|
||||
},
|
||||
},
|
||||
data: {
|
||||
metadata: (dto.metadata ?? existing.metadata) as Prisma.InputJsonValue,
|
||||
},
|
||||
});
|
||||
|
||||
return {
|
||||
id: updated.id,
|
||||
localUserId: updated.localUserId,
|
||||
remoteUserId: updated.remoteUserId,
|
||||
remoteInstanceId: updated.remoteInstanceId,
|
||||
oidcSubject: updated.oidcSubject,
|
||||
email: updated.email,
|
||||
metadata: updated.metadata as Record<string, unknown>,
|
||||
createdAt: updated.createdAt,
|
||||
updatedAt: updated.updatedAt,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Validate an identity mapping exists and is valid
|
||||
*/
|
||||
async validateIdentityMapping(
|
||||
localUserId: string,
|
||||
remoteInstanceId: string
|
||||
): Promise<IdentityMappingValidation> {
|
||||
const identity = await this.oidcService.getFederatedIdentity(localUserId, remoteInstanceId);
|
||||
|
||||
if (!identity) {
|
||||
return {
|
||||
valid: false,
|
||||
error: "Identity mapping not found",
|
||||
};
|
||||
}
|
||||
|
||||
return {
|
||||
valid: true,
|
||||
localUserId: identity.localUserId,
|
||||
remoteUserId: identity.remoteUserId,
|
||||
remoteInstanceId: identity.remoteInstanceId,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* List all federated identities for a user
|
||||
*/
|
||||
async listUserIdentities(localUserId: string): Promise<FederatedIdentity[]> {
|
||||
return this.oidcService.getUserFederatedIdentities(localUserId);
|
||||
}
|
||||
|
||||
/**
|
||||
* Revoke an identity mapping
|
||||
*/
|
||||
async revokeIdentityMapping(localUserId: string, remoteInstanceId: string): Promise<void> {
|
||||
this.logger.log(`Revoking identity mapping: ${localUserId}@${remoteInstanceId}`);
|
||||
|
||||
await this.oidcService.revokeFederatedIdentity(localUserId, remoteInstanceId);
|
||||
|
||||
// Log revocation
|
||||
this.auditService.logIdentityRevocation(localUserId, remoteInstanceId);
|
||||
}
|
||||
}
|
||||
151
apps/api/src/federation/identity-resolution.service.spec.ts
Normal file
151
apps/api/src/federation/identity-resolution.service.spec.ts
Normal file
@@ -0,0 +1,151 @@
|
||||
/**
|
||||
* Identity Resolution Service Tests
|
||||
*
|
||||
* Tests for resolving identities between local and remote instances.
|
||||
*/
|
||||
|
||||
import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
|
||||
import { Test, TestingModule } from "@nestjs/testing";
|
||||
import { IdentityResolutionService } from "./identity-resolution.service";
|
||||
import { IdentityLinkingService } from "./identity-linking.service";
|
||||
import type { FederatedIdentity } from "./types/oidc.types";
|
||||
|
||||
describe("IdentityResolutionService", () => {
|
||||
let service: IdentityResolutionService;
|
||||
let identityLinkingService: IdentityLinkingService;
|
||||
|
||||
const mockIdentity: FederatedIdentity = {
|
||||
id: "identity-id",
|
||||
localUserId: "local-user-id",
|
||||
remoteUserId: "remote-user-id",
|
||||
remoteInstanceId: "remote-instance-id",
|
||||
oidcSubject: "oidc-subject",
|
||||
email: "user@example.com",
|
||||
metadata: {},
|
||||
createdAt: new Date(),
|
||||
updatedAt: new Date(),
|
||||
};
|
||||
|
||||
beforeEach(async () => {
|
||||
const mockIdentityLinkingService = {
|
||||
resolveLocalIdentity: vi.fn(),
|
||||
resolveRemoteIdentity: vi.fn(),
|
||||
};
|
||||
|
||||
const module: TestingModule = await Test.createTestingModule({
|
||||
providers: [
|
||||
IdentityResolutionService,
|
||||
{ provide: IdentityLinkingService, useValue: mockIdentityLinkingService },
|
||||
],
|
||||
}).compile();
|
||||
|
||||
service = module.get<IdentityResolutionService>(IdentityResolutionService);
|
||||
identityLinkingService = module.get(IdentityLinkingService);
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
vi.clearAllMocks();
|
||||
});
|
||||
|
||||
describe("resolveIdentity", () => {
|
||||
it("should resolve remote identity to local user", async () => {
|
||||
identityLinkingService.resolveLocalIdentity.mockResolvedValue(mockIdentity);
|
||||
|
||||
const result = await service.resolveIdentity("remote-instance-id", "remote-user-id");
|
||||
|
||||
expect(result.found).toBe(true);
|
||||
expect(result.localUserId).toBe("local-user-id");
|
||||
expect(result.remoteUserId).toBe("remote-user-id");
|
||||
expect(result.email).toBe("user@example.com");
|
||||
expect(identityLinkingService.resolveLocalIdentity).toHaveBeenCalledWith(
|
||||
"remote-instance-id",
|
||||
"remote-user-id"
|
||||
);
|
||||
});
|
||||
|
||||
it("should return not found when mapping does not exist", async () => {
|
||||
identityLinkingService.resolveLocalIdentity.mockResolvedValue(null);
|
||||
|
||||
const result = await service.resolveIdentity("remote-instance-id", "unknown-user-id");
|
||||
|
||||
expect(result.found).toBe(false);
|
||||
expect(result.localUserId).toBeUndefined();
|
||||
expect(result.remoteUserId).toBe("unknown-user-id");
|
||||
});
|
||||
});
|
||||
|
||||
describe("reverseResolveIdentity", () => {
|
||||
it("should resolve local user to remote identity", async () => {
|
||||
identityLinkingService.resolveRemoteIdentity.mockResolvedValue(mockIdentity);
|
||||
|
||||
const result = await service.reverseResolveIdentity("local-user-id", "remote-instance-id");
|
||||
|
||||
expect(result.found).toBe(true);
|
||||
expect(result.remoteUserId).toBe("remote-user-id");
|
||||
expect(result.localUserId).toBe("local-user-id");
|
||||
expect(identityLinkingService.resolveRemoteIdentity).toHaveBeenCalledWith(
|
||||
"local-user-id",
|
||||
"remote-instance-id"
|
||||
);
|
||||
});
|
||||
|
||||
it("should return not found when mapping does not exist", async () => {
|
||||
identityLinkingService.resolveRemoteIdentity.mockResolvedValue(null);
|
||||
|
||||
const result = await service.reverseResolveIdentity("unknown-user-id", "remote-instance-id");
|
||||
|
||||
expect(result.found).toBe(false);
|
||||
expect(result.remoteUserId).toBeUndefined();
|
||||
expect(result.localUserId).toBe("unknown-user-id");
|
||||
});
|
||||
});
|
||||
|
||||
describe("bulkResolveIdentities", () => {
|
||||
it("should resolve multiple remote users to local users", async () => {
|
||||
const mockIdentity2: FederatedIdentity = {
|
||||
...mockIdentity,
|
||||
id: "identity-id-2",
|
||||
localUserId: "local-user-id-2",
|
||||
remoteUserId: "remote-user-id-2",
|
||||
};
|
||||
|
||||
identityLinkingService.resolveLocalIdentity
|
||||
.mockResolvedValueOnce(mockIdentity)
|
||||
.mockResolvedValueOnce(mockIdentity2)
|
||||
.mockResolvedValueOnce(null);
|
||||
|
||||
const result = await service.bulkResolveIdentities("remote-instance-id", [
|
||||
"remote-user-id",
|
||||
"remote-user-id-2",
|
||||
"unknown-user-id",
|
||||
]);
|
||||
|
||||
expect(result.mappings["remote-user-id"]).toBe("local-user-id");
|
||||
expect(result.mappings["remote-user-id-2"]).toBe("local-user-id-2");
|
||||
expect(result.notFound).toEqual(["unknown-user-id"]);
|
||||
expect(identityLinkingService.resolveLocalIdentity).toHaveBeenCalledTimes(3);
|
||||
});
|
||||
|
||||
it("should handle empty array", async () => {
|
||||
const result = await service.bulkResolveIdentities("remote-instance-id", []);
|
||||
|
||||
expect(result.mappings).toEqual({});
|
||||
expect(result.notFound).toEqual([]);
|
||||
expect(identityLinkingService.resolveLocalIdentity).not.toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it("should handle all not found", async () => {
|
||||
identityLinkingService.resolveLocalIdentity
|
||||
.mockResolvedValueOnce(null)
|
||||
.mockResolvedValueOnce(null);
|
||||
|
||||
const result = await service.bulkResolveIdentities("remote-instance-id", [
|
||||
"unknown-1",
|
||||
"unknown-2",
|
||||
]);
|
||||
|
||||
expect(result.mappings).toEqual({});
|
||||
expect(result.notFound).toEqual(["unknown-1", "unknown-2"]);
|
||||
});
|
||||
});
|
||||
});
|
||||
137
apps/api/src/federation/identity-resolution.service.ts
Normal file
137
apps/api/src/federation/identity-resolution.service.ts
Normal file
@@ -0,0 +1,137 @@
|
||||
/**
|
||||
* Identity Resolution Service
|
||||
*
|
||||
* Handles identity resolution (lookup) between local and remote instances.
|
||||
* Optimized for read-heavy operations.
|
||||
*/
|
||||
|
||||
import { Injectable, Logger } from "@nestjs/common";
|
||||
import { IdentityLinkingService } from "./identity-linking.service";
|
||||
import type {
|
||||
IdentityResolutionResponse,
|
||||
BulkIdentityResolutionResponse,
|
||||
} from "./types/identity-linking.types";
|
||||
|
||||
@Injectable()
|
||||
export class IdentityResolutionService {
|
||||
private readonly logger = new Logger(IdentityResolutionService.name);
|
||||
|
||||
constructor(private readonly identityLinkingService: IdentityLinkingService) {}
|
||||
|
||||
/**
|
||||
* Resolve a remote user to a local user
|
||||
*
|
||||
* Looks up the identity mapping by remote instance and user ID.
|
||||
*/
|
||||
async resolveIdentity(
|
||||
remoteInstanceId: string,
|
||||
remoteUserId: string
|
||||
): Promise<IdentityResolutionResponse> {
|
||||
this.logger.debug(`Resolving identity: ${remoteUserId}@${remoteInstanceId}`);
|
||||
|
||||
const identity = await this.identityLinkingService.resolveLocalIdentity(
|
||||
remoteInstanceId,
|
||||
remoteUserId
|
||||
);
|
||||
|
||||
if (!identity) {
|
||||
return {
|
||||
found: false,
|
||||
remoteUserId,
|
||||
remoteInstanceId,
|
||||
};
|
||||
}
|
||||
|
||||
return {
|
||||
found: true,
|
||||
localUserId: identity.localUserId,
|
||||
remoteUserId: identity.remoteUserId,
|
||||
remoteInstanceId: identity.remoteInstanceId,
|
||||
email: identity.email,
|
||||
metadata: identity.metadata,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Reverse resolve a local user to a remote identity
|
||||
*
|
||||
* Looks up the identity mapping by local user ID and remote instance.
|
||||
*/
|
||||
async reverseResolveIdentity(
|
||||
localUserId: string,
|
||||
remoteInstanceId: string
|
||||
): Promise<IdentityResolutionResponse> {
|
||||
this.logger.debug(`Reverse resolving identity: ${localUserId}@${remoteInstanceId}`);
|
||||
|
||||
const identity = await this.identityLinkingService.resolveRemoteIdentity(
|
||||
localUserId,
|
||||
remoteInstanceId
|
||||
);
|
||||
|
||||
if (!identity) {
|
||||
return {
|
||||
found: false,
|
||||
localUserId,
|
||||
remoteInstanceId,
|
||||
};
|
||||
}
|
||||
|
||||
return {
|
||||
found: true,
|
||||
localUserId: identity.localUserId,
|
||||
remoteUserId: identity.remoteUserId,
|
||||
remoteInstanceId: identity.remoteInstanceId,
|
||||
email: identity.email,
|
||||
metadata: identity.metadata,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Bulk resolve multiple remote users to local users
|
||||
*
|
||||
* Efficient batch operation for resolving many identities at once.
|
||||
* Useful for aggregated dashboard views and multi-user operations.
|
||||
*/
|
||||
async bulkResolveIdentities(
|
||||
remoteInstanceId: string,
|
||||
remoteUserIds: string[]
|
||||
): Promise<BulkIdentityResolutionResponse> {
|
||||
this.logger.debug(
|
||||
`Bulk resolving ${remoteUserIds.length.toString()} identities for ${remoteInstanceId}`
|
||||
);
|
||||
|
||||
if (remoteUserIds.length === 0) {
|
||||
return {
|
||||
mappings: {},
|
||||
notFound: [],
|
||||
};
|
||||
}
|
||||
|
||||
const mappings: Record<string, string> = {};
|
||||
const notFound: string[] = [];
|
||||
|
||||
// Resolve each identity
|
||||
// TODO: Optimize with a single database query using IN clause
|
||||
for (const remoteUserId of remoteUserIds) {
|
||||
const identity = await this.identityLinkingService.resolveLocalIdentity(
|
||||
remoteInstanceId,
|
||||
remoteUserId
|
||||
);
|
||||
|
||||
if (identity) {
|
||||
mappings[remoteUserId] = identity.localUserId;
|
||||
} else {
|
||||
notFound.push(remoteUserId);
|
||||
}
|
||||
}
|
||||
|
||||
this.logger.debug(
|
||||
`Bulk resolution complete: ${Object.keys(mappings).length.toString()} found, ${notFound.length.toString()} not found`
|
||||
);
|
||||
|
||||
return {
|
||||
mappings,
|
||||
notFound,
|
||||
};
|
||||
}
|
||||
}
|
||||
@@ -5,6 +5,10 @@
|
||||
export * from "./federation.module";
|
||||
export * from "./federation.service";
|
||||
export * from "./federation.controller";
|
||||
export * from "./identity-linking.service";
|
||||
export * from "./identity-resolution.service";
|
||||
export * from "./identity-linking.controller";
|
||||
export * from "./crypto.service";
|
||||
export * from "./audit.service";
|
||||
export * from "./types/instance.types";
|
||||
export * from "./types/identity-linking.types";
|
||||
|
||||
@@ -116,6 +116,40 @@ export class SignatureService {
|
||||
return this.sign(message, identity.privateKey);
|
||||
}
|
||||
|
||||
/**
|
||||
* Verify a message signature using a remote instance's public key
|
||||
* Fetches the public key from the connection record
|
||||
*/
|
||||
async verifyMessage(
|
||||
message: SignableMessage,
|
||||
signature: string,
|
||||
remoteInstanceId: string
|
||||
): Promise<SignatureValidationResult> {
|
||||
try {
|
||||
// Fetch remote instance public key from connection record
|
||||
// For now, we'll fetch from any connection with this instance
|
||||
// In production, this should be cached or fetched from instance identity endpoint
|
||||
const connection =
|
||||
await this.federationService.getConnectionByRemoteInstanceId(remoteInstanceId);
|
||||
|
||||
if (!connection) {
|
||||
return {
|
||||
valid: false,
|
||||
error: "Remote instance not connected",
|
||||
};
|
||||
}
|
||||
|
||||
// Verify signature using remote public key
|
||||
return this.verify(message, signature, connection.remotePublicKey);
|
||||
} catch (error) {
|
||||
this.logger.error("Failed to verify message", error);
|
||||
return {
|
||||
valid: false,
|
||||
error: error instanceof Error ? error.message : "Verification failed",
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Verify a connection request signature
|
||||
*/
|
||||
|
||||
141
apps/api/src/federation/types/identity-linking.types.ts
Normal file
141
apps/api/src/federation/types/identity-linking.types.ts
Normal file
@@ -0,0 +1,141 @@
|
||||
/**
|
||||
* Federation Identity Linking Types
|
||||
*
|
||||
* Types for cross-instance user identity verification and resolution.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Request to verify a user's identity from a remote instance
|
||||
*/
|
||||
export interface IdentityVerificationRequest {
|
||||
/** Local user ID on this instance */
|
||||
localUserId: string;
|
||||
/** Remote user ID on the originating instance */
|
||||
remoteUserId: string;
|
||||
/** Remote instance federation ID */
|
||||
remoteInstanceId: string;
|
||||
/** OIDC token for authentication */
|
||||
oidcToken: string;
|
||||
/** Request timestamp (Unix milliseconds) */
|
||||
timestamp: number;
|
||||
/** Request signature (signed by remote instance private key) */
|
||||
signature: string;
|
||||
}
|
||||
|
||||
/**
|
||||
* Response from identity verification
|
||||
*/
|
||||
export interface IdentityVerificationResponse {
|
||||
/** Whether the identity was verified successfully */
|
||||
verified: boolean;
|
||||
/** Local user ID (if verified) */
|
||||
localUserId?: string;
|
||||
/** Remote user ID (if verified) */
|
||||
remoteUserId?: string;
|
||||
/** Remote instance ID (if verified) */
|
||||
remoteInstanceId?: string;
|
||||
/** User's email (if verified) */
|
||||
email?: string;
|
||||
/** Error message if verification failed */
|
||||
error?: string;
|
||||
}
|
||||
|
||||
/**
|
||||
* Request to resolve a remote user to a local user
|
||||
*/
|
||||
export interface IdentityResolutionRequest {
|
||||
/** Remote instance federation ID */
|
||||
remoteInstanceId: string;
|
||||
/** Remote user ID to resolve */
|
||||
remoteUserId: string;
|
||||
}
|
||||
|
||||
/**
|
||||
* Response from identity resolution
|
||||
*/
|
||||
export interface IdentityResolutionResponse {
|
||||
/** Whether a mapping was found */
|
||||
found: boolean;
|
||||
/** Local user ID (if found) */
|
||||
localUserId?: string;
|
||||
/** Remote user ID */
|
||||
remoteUserId?: string;
|
||||
/** Remote instance ID */
|
||||
remoteInstanceId?: string;
|
||||
/** User's email (if found) */
|
||||
email?: string;
|
||||
/** Additional metadata */
|
||||
metadata?: Record<string, unknown>;
|
||||
}
|
||||
|
||||
/**
|
||||
* Request to reverse resolve a local user to a remote identity
|
||||
*/
|
||||
export interface ReverseIdentityResolutionRequest {
|
||||
/** Local user ID to resolve */
|
||||
localUserId: string;
|
||||
/** Remote instance federation ID */
|
||||
remoteInstanceId: string;
|
||||
}
|
||||
|
||||
/**
|
||||
* Request for bulk identity resolution
|
||||
*/
|
||||
export interface BulkIdentityResolutionRequest {
|
||||
/** Remote instance federation ID */
|
||||
remoteInstanceId: string;
|
||||
/** Array of remote user IDs to resolve */
|
||||
remoteUserIds: string[];
|
||||
}
|
||||
|
||||
/**
|
||||
* Response for bulk identity resolution
|
||||
*/
|
||||
export interface BulkIdentityResolutionResponse {
|
||||
/** Map of remoteUserId -> localUserId */
|
||||
mappings: Record<string, string>;
|
||||
/** Remote user IDs that could not be resolved */
|
||||
notFound: string[];
|
||||
}
|
||||
|
||||
/**
|
||||
* DTO for creating identity mapping
|
||||
*/
|
||||
export interface CreateIdentityMappingDto {
|
||||
/** Remote instance ID */
|
||||
remoteInstanceId: string;
|
||||
/** Remote user ID */
|
||||
remoteUserId: string;
|
||||
/** OIDC subject identifier */
|
||||
oidcSubject: string;
|
||||
/** User's email */
|
||||
email: string;
|
||||
/** Optional metadata */
|
||||
metadata?: Record<string, unknown>;
|
||||
/** Optional: OIDC token for validation */
|
||||
oidcToken?: string;
|
||||
}
|
||||
|
||||
/**
|
||||
* DTO for updating identity mapping
|
||||
*/
|
||||
export interface UpdateIdentityMappingDto {
|
||||
/** Updated metadata */
|
||||
metadata?: Record<string, unknown>;
|
||||
}
|
||||
|
||||
/**
|
||||
* Identity mapping validation result
|
||||
*/
|
||||
export interface IdentityMappingValidation {
|
||||
/** Whether the mapping is valid */
|
||||
valid: boolean;
|
||||
/** Local user ID (if valid) */
|
||||
localUserId?: string;
|
||||
/** Remote user ID (if valid) */
|
||||
remoteUserId?: string;
|
||||
/** Remote instance ID (if valid) */
|
||||
remoteInstanceId?: string;
|
||||
/** Error message if invalid */
|
||||
error?: string;
|
||||
}
|
||||
@@ -7,3 +7,4 @@
|
||||
export * from "./instance.types";
|
||||
export * from "./connection.types";
|
||||
export * from "./oidc.types";
|
||||
export * from "./identity-linking.types";
|
||||
|
||||
Reference in New Issue
Block a user