Initial commit

app/api/recordings/[id]/stream/route.ts

@@ -0,0 +1,75 @@
+import { NextRequest } from "next/server";
+import { getServerSession } from "next-auth/next";
+import { authOptions } from "@/lib/auth";
+import { RecordingService } from "@/lib/services/recording.service";
+import { S3Client, GetObjectCommand } from "@aws-sdk/client-s3";
+
+const s3 = new S3Client({
+  region: process.env.AWS_REGION || "us-east-1",
+  credentials: {
+    accessKeyId: process.env.AWS_ACCESS_KEY_ID!,
+    secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY!,
+  },
+});
+
+export async function GET(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.id) {
+      return Response.json({ error: "未授权" }, { status: 401 });
+    }
+
+    const { id: recordingId } = await params;
+    const recording = await RecordingService.getRecordingById(recordingId);
+
+    if (!recording) {
+      return Response.json({ error: "录音不存在" }, { status: 404 });
+    }
+
+    // 检查用户权限
+    if (recording.userId !== session.user.id) {
+      return Response.json({ error: "无权限访问" }, { status: 403 });
+    }
+
+    // 从 S3 URL 提取 bucket 和 key
+    const url = new URL(recording.audioUrl);
+    const pathParts = url.pathname.split("/");
+    const bucket = url.hostname.split(".")[0];
+    const key = pathParts.slice(1).join("/");
+
+    try {
+      // 从 S3 获取文件
+      const command = new GetObjectCommand({
+        Bucket: bucket,
+        Key: key,
+      });
+
+      const response = await s3.send(command);
+      const stream = response.Body as ReadableStream;
+
+      if (!stream) {
+        return Response.json({ error: "文件不存在" }, { status: 404 });
+      }
+
+      // 返回音频流
+      return new Response(stream, {
+        headers: {
+          "Content-Type": recording.mimeType,
+          "Content-Length": recording.fileSize.toString(),
+          "Accept-Ranges": "bytes",
+          "Cache-Control": "public, max-age=3600",
+        },
+      });
+    } catch (error) {
+      console.error("S3 文件获取失败:", error);
+      return Response.json({ error: "文件无法访问" }, { status: 500 });
+    }
+  } catch (error) {
+    console.error("音频流获取失败:", error);
+    return Response.json({ error: "音频流获取失败" }, { status: 500 });
+  }
+}