feat: mosaic gateway CLI daemon management + admin token auth (#369)

apps/gateway/src/admin/admin-tokens.controller.ts

@@ -0,0 +1,90 @@
+import {
+  Body,
+  Controller,
+  Delete,
+  Get,
+  HttpCode,
+  HttpStatus,
+  Inject,
+  Param,
+  Post,
+  UseGuards,
+} from '@nestjs/common';
+import { randomBytes, createHash } from 'node:crypto';
+import { eq, type Db, adminTokens } from '@mosaic/db';
+import { v4 as uuid } from 'uuid';
+import { DB } from '../database/database.module.js';
+import { AdminGuard } from './admin.guard.js';
+import { CurrentUser } from '../auth/current-user.decorator.js';
+import type {
+  CreateTokenDto,
+  TokenCreatedDto,
+  TokenDto,
+  TokenListDto,
+} from './admin-tokens.dto.js';
+
+function hashToken(plaintext: string): string {
+  return createHash('sha256').update(plaintext).digest('hex');
+}
+
+function toTokenDto(row: typeof adminTokens.$inferSelect): TokenDto {
+  return {
+    id: row.id,
+    label: row.label,
+    scope: row.scope,
+    expiresAt: row.expiresAt?.toISOString() ?? null,
+    lastUsedAt: row.lastUsedAt?.toISOString() ?? null,
+    createdAt: row.createdAt.toISOString(),
+  };
+}
+
+@Controller('api/admin/tokens')
+@UseGuards(AdminGuard)
+export class AdminTokensController {
+  constructor(@Inject(DB) private readonly db: Db) {}
+
+  @Post()
+  async create(
+    @Body() dto: CreateTokenDto,
+    @CurrentUser() user: { id: string },
+  ): Promise<TokenCreatedDto> {
+    const plaintext = randomBytes(32).toString('hex');
+    const tokenHash = hashToken(plaintext);
+    const id = uuid();
+
+    const expiresAt = dto.expiresInDays
+      ? new Date(Date.now() + dto.expiresInDays * 24 * 60 * 60 * 1000)
+      : null;
+
+    const [row] = await this.db
+      .insert(adminTokens)
+      .values({
+        id,
+        userId: user.id,
+        tokenHash,
+        label: dto.label ?? 'CLI token',
+        scope: dto.scope ?? 'admin',
+        expiresAt,
+      })
+      .returning();
+
+    return { ...toTokenDto(row!), plaintext };
+  }
+
+  @Get()
+  async list(@CurrentUser() user: { id: string }): Promise<TokenListDto> {
+    const rows = await this.db
+      .select()
+      .from(adminTokens)
+      .where(eq(adminTokens.userId, user.id))
+      .orderBy(adminTokens.createdAt);
+
+    return { tokens: rows.map(toTokenDto), total: rows.length };
+  }
+
+  @Delete(':id')
+  @HttpCode(HttpStatus.NO_CONTENT)
+  async revoke(@Param('id') id: string, @CurrentUser() _user: { id: string }): Promise<void> {
+    await this.db.delete(adminTokens).where(eq(adminTokens.id, id));
+  }
+}