feat(enterprise): add GDPR user data export (async)

apps/api/src/jobs/gdpr-export.ts

@@ -0,0 +1,105 @@
+/**
+ * GDPR user data export job.
+ *
+ * Collects all user data (profile, files metadata, job history, audit log),
+ * copies library file contents, and produces a ZIP archive stored in
+ * object storage under `outputs/<jobId>/gdpr-export.zip`.
+ */
+import { PassThrough } from "node:stream";
+import { pipeline } from "node:stream/promises";
+import archiver from "archiver";
+import { eq } from "drizzle-orm";
+import { db, schema } from "../db/index.js";
+import { readStoredFile } from "../lib/file-storage.js";
+import { putObject } from "../lib/object-storage.js";
+
+export async function gdprExportJob(userId: string, jobId: string): Promise<{ outputRef: string }> {
+  // 1. Fetch user profile (exclude passwordHash)
+  const [user] = await db.select().from(schema.users).where(eq(schema.users.id, userId));
+  if (!user) throw new Error(`User ${userId} not found`);
+
+  const { passwordHash: _, ...profile } = user;
+
+  // 2. Fetch all user's files metadata
+  const files = await db.select().from(schema.userFiles).where(eq(schema.userFiles.userId, userId));
+
+  // 3. Fetch job metadata
+  const jobs = await db.select().from(schema.jobs).where(eq(schema.jobs.userId, userId));
+
+  // 4. Fetch audit log entries where user is the actor
+  const auditEntries = await db
+    .select()
+    .from(schema.auditLog)
+    .where(eq(schema.auditLog.actorId, userId));
+
+  // 5. Build a ZIP archive in memory via archiver
+  const archive = archiver("zip", { zlib: { level: 6 } });
+  const chunks: Buffer[] = [];
+  const passthrough = new PassThrough();
+  passthrough.on("data", (chunk: Buffer) => chunks.push(chunk));
+
+  const pipelineDone = pipeline(archive, passthrough);
+
+  archive.append(JSON.stringify(profile, null, 2), { name: "profile.json" });
+
+  archive.append(
+    JSON.stringify(
+      files.map((f) => ({
+        ...f,
+        createdAt: f.createdAt?.toISOString(),
+      })),
+      null,
+      2,
+    ),
+    { name: "files.json" },
+  );
+
+  archive.append(
+    JSON.stringify(
+      jobs.map((j) => ({
+        ...j,
+        createdAt: j.createdAt?.toISOString(),
+        startedAt: j.startedAt?.toISOString(),
+        completedAt: j.completedAt?.toISOString(),
+        deleteAfter: j.deleteAfter?.toISOString(),
+      })),
+      null,
+      2,
+    ),
+    { name: "jobs.json" },
+  );
+
+  archive.append(
+    JSON.stringify(
+      auditEntries.map((a) => ({
+        ...a,
+        createdAt: a.createdAt?.toISOString(),
+      })),
+      null,
+      2,
+    ),
+    { name: "audit-log.json" },
+  );
+
+  // 6. Copy library file contents into the ZIP
+  for (const file of files) {
+    try {
+      const buffer = await readStoredFile(file.storedName);
+      archive.append(buffer, {
+        name: `library-files/${file.id}_${file.originalName}`,
+      });
+    } catch {
+      // File may have been cleaned up; skip silently
+    }
+  }
+
+  await archive.finalize();
+  await pipelineDone;
+
+  // 7. Write ZIP to object storage
+  const zipBuffer = Buffer.concat(chunks);
+  const outputRef = `outputs/${jobId}/gdpr-export.zip`;
+  await putObject(outputRef, zipBuffer);
+
+  return { outputRef };
+}

apps/api/src/jobs/system-jobs.ts

@@ -26,6 +26,7 @@ export const SYSTEM_JOBS = {
   siemForward: "system:siem-forward",
   auditArchive: "system:audit-archive",
   storageReconciliation: "system:storage-reconciliation",
+  gdprExport: "system:gdpr-export",
 } as const;
 
 // -- Scheduling ---------------------------------------------------------------
@@ -80,6 +81,21 @@ export async function runSystemJob(job: Job): Promise<unknown> {
       const { storageReconciliationJob } = await import("./storage-reconciliation.js");
       return storageReconciliationJob();
     }
+    case SYSTEM_JOBS.gdprExport: {
+      const { gdprExportJob } = await import("./gdpr-export.js");
+      const exportData = job.data as unknown as { userId: string; jobId: string };
+      const { outputRef } = await gdprExportJob(exportData.userId, exportData.jobId);
+      // Update the job row with the output reference
+      await db
+        .update(schema.jobs)
+        .set({
+          status: "completed",
+          completedAt: new Date(),
+          outputRefs: [outputRef],
+        })
+        .where(eq(schema.jobs.id, exportData.jobId));
+      return { outputRef };
+    }
     default:
       // batch-finalize runs on the system pool too but is routed by the
       // worker before calling runSystemJob. Anything else is a bug.

apps/api/src/routes/enterprise/gdpr.ts

@@ -0,0 +1,125 @@
+import { randomUUID } from "node:crypto";
+import { eq } from "drizzle-orm";
+import type { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+import { db, schema } from "../../db/index.js";
+import { getQueue } from "../../jobs/queues.js";
+import { SYSTEM_JOBS } from "../../jobs/system-jobs.js";
+import { auditFromRequest } from "../../lib/audit.js";
+import { requirePermission } from "../../permissions.js";
+
+export async function registerGdprRoutes(app: FastifyInstance): Promise<void> {
+  // POST /api/v1/enterprise/users/:id/export -- initiate GDPR data export
+  app.post(
+    "/api/v1/enterprise/users/:id/export",
+    async (request: FastifyRequest<{ Params: { id: string } }>, reply: FastifyReply) => {
+      const user = await requirePermission("compliance:manage")(request, reply);
+      if (!user) return;
+
+      // Enterprise feature gate
+      let featureEnabled = false;
+      try {
+        const { isFeatureEnabled } = await import("@snapotter/enterprise");
+        featureEnabled = isFeatureEnabled("gdpr_lifecycle");
+      } catch {
+        // Enterprise package not available
+      }
+      if (!featureEnabled) {
+        return reply.status(403).send({
+          error: "GDPR data export requires an enterprise license with the gdpr_lifecycle feature",
+        });
+      }
+
+      const targetUserId = request.params.id;
+
+      // Validate the target user exists
+      const [targetUser] = await db
+        .select({ id: schema.users.id })
+        .from(schema.users)
+        .where(eq(schema.users.id, targetUserId));
+      if (!targetUser) {
+        return reply.status(404).send({ error: "User not found" });
+      }
+
+      // Create a durable job row
+      const jobId = randomUUID();
+      await db.insert(schema.jobs).values({
+        id: jobId,
+        userId: targetUserId,
+        toolId: "gdpr-export",
+        pool: "system",
+        type: "system",
+        status: "queued",
+      });
+
+      // Enqueue the system job
+      const q = getQueue("system");
+      await q.add(SYSTEM_JOBS.gdprExport, { userId: targetUserId, jobId } as never, { jobId });
+
+      await auditFromRequest(request)("GDPR_EXPORT_INITIATED", {
+        adminId: user.id,
+        username: user.username,
+        targetUserId,
+        jobId,
+      });
+
+      return reply.status(202).send({ jobId, message: "Export started" });
+    },
+  );
+
+  // GET /api/v1/enterprise/users/:id/export/:jobId -- check export status
+  app.get(
+    "/api/v1/enterprise/users/:id/export/:jobId",
+    async (
+      request: FastifyRequest<{ Params: { id: string; jobId: string } }>,
+      reply: FastifyReply,
+    ) => {
+      const user = await requirePermission("compliance:manage")(request, reply);
+      if (!user) return;
+
+      // Enterprise feature gate
+      let featureEnabled = false;
+      try {
+        const { isFeatureEnabled } = await import("@snapotter/enterprise");
+        featureEnabled = isFeatureEnabled("gdpr_lifecycle");
+      } catch {
+        // Enterprise package not available
+      }
+      if (!featureEnabled) {
+        return reply.status(403).send({
+          error: "GDPR data export requires an enterprise license with the gdpr_lifecycle feature",
+        });
+      }
+
+      const { jobId } = request.params;
+
+      const [job] = await db.select().from(schema.jobs).where(eq(schema.jobs.id, jobId));
+
+      if (!job) {
+        return reply.status(404).send({ error: "Export job not found" });
+      }
+
+      if (job.status === "completed") {
+        const outputRef = job.outputRefs?.[0];
+        const filename = outputRef?.split("/").pop() ?? "gdpr-export.zip";
+        return reply.send({
+          status: "completed",
+          downloadUrl: `/api/v1/download/${jobId}/${encodeURIComponent(filename)}`,
+        });
+      }
+
+      if (job.status === "failed") {
+        const errorMsg = (job.error as { message?: string } | null)?.message ?? "Export failed";
+        return reply.send({ status: "failed", error: errorMsg });
+      }
+
+      // queued or processing
+      const progress = job.progress as { percent?: number; stage?: string } | null;
+      return reply.send({
+        status: job.status,
+        progress: progress?.percent ?? 0,
+      });
+    },
+  );
+
+  app.log.info("Enterprise GDPR routes registered");
+}

apps/api/src/routes/enterprise/index.ts

@@ -1,10 +1,12 @@
 import type { FastifyInstance } from "fastify";
 import { registerAuditExport } from "./audit-export.js";
+import { registerGdprRoutes } from "./gdpr.js";
 import { registerLegalHoldRoutes } from "./legal-hold.js";
 import { registerSiemRoutes } from "./siem.js";
 
 export async function registerEnterpriseRoutes(app: FastifyInstance) {
   await registerAuditExport(app);
+  await registerGdprRoutes(app);
   await registerLegalHoldRoutes(app);
   await registerSiemRoutes(app);
 }