object storage related updates

src/main.ts

@@ -21,8 +21,13 @@ async function bootstrap() {
   const appEnv = configService.get<string>('app.env') || 'development';
   const corsOrigins = configService.get<string[]>('cors.origins') || [];
 
-  // Security
-  app.use(helmet());
+  // Security — allow cross-origin API reads from frontend/admin domains
+  app.use(
+    helmet({
+      crossOriginResourcePolicy: { policy: 'cross-origin' },
+      crossOriginOpenerPolicy: { policy: 'same-origin-allow-popups' },
+    }),
+  );
   app.use(cookieParser());
 
   // CORS

src/upload/upload.service.ts

@@ -16,12 +16,31 @@ export class UploadService {
   private bucket: string;
   private region: string;
   private folderPrefix: string;
+  /** Endpoint used for SDK signing/calls (no /s3 path prefix). */
   private endpoint: string;
+  /** Public base shown in browser URLs (may include /s3 path prefix). */
+  private publicEndpoint: string;
 
   constructor(private configService: ConfigService) {
     this.region = this.configService.get<string>('AWS_REGION') || 'us-east-1';
     this.bucket = this.configService.get<string>('AWS_S3_BUCKET') || '';
-    this.endpoint = this.configService.get<string>('S3_ENDPOINT') || '';
+    const rawEndpoint = (this.configService.get<string>('S3_ENDPOINT') || '').replace(
+      /\/$/,
+      '',
+    );
+    // Path-prefix public URL (e.g. https://re-quest.com/s3): sign against the host
+    // root so SigV4 path matches what MinIO sees after nginx strips /s3.
+    if (rawEndpoint.endsWith('/s3')) {
+      this.publicEndpoint = rawEndpoint;
+      this.endpoint = rawEndpoint.slice(0, -3);
+    } else {
+      this.endpoint = rawEndpoint;
+      this.publicEndpoint =
+        (this.configService.get<string>('S3_PUBLIC_ENDPOINT') || rawEndpoint).replace(
+          /\/$/,
+          '',
+        );
+    }
     // Use S3_FOLDER_PREFIX from env, defaults to 'development' for dev environment
     this.folderPrefix = this.configService.get<string>('S3_FOLDER_PREFIX') || 'development';
 
@@ -52,6 +71,14 @@ export class UploadService {
     this.s3Client = new S3Client(s3Config);
   }
 
+  /** Rewrite SDK URLs to the public /s3 path when configured. */
+  private toPublicUrl(url: string): string {
+    if (!this.endpoint || !this.publicEndpoint || this.endpoint === this.publicEndpoint) {
+      return url;
+    }
+    return url.replace(this.endpoint, this.publicEndpoint);
+  }
+
   /**
    * Get the full S3 key with environment prefix
    */
@@ -139,11 +166,9 @@ export class UploadService {
       expiresIn: 3600, // 1 hour
     });
 
-    const publicUrl = `https://${this.bucket}.s3.${this.region}.amazonaws.com/${key}`;
-
     return {
-      uploadUrl,
-      publicUrl,
+      uploadUrl: this.toPublicUrl(uploadUrl),
+      publicUrl: this.getPublicUrl(key),
       key,
     };
   }
@@ -163,15 +188,17 @@ export class UploadService {
       Key: key,
     });
 
-    return getSignedUrl(this.s3Client, command, {
+    const url = await getSignedUrl(this.s3Client, command, {
       expiresIn: 3600, // 1 hour
     });
+    return this.toPublicUrl(url);
   }
 
   getPublicUrl(key: string): string {
+    const base = this.publicEndpoint || this.endpoint;
     // For custom S3-compatible endpoints (Contabo, MinIO, etc.)
-    if (this.endpoint) {
-      return `${this.endpoint}/${this.bucket}/${key}`;
+    if (base) {
+      return `${base}/${this.bucket}/${key}`;
     }
     // For AWS S3
     return `https://${this.bucket}.s3.${this.region}.amazonaws.com/${key}`;
@@ -242,7 +269,7 @@ export class UploadService {
     const publicUrl = this.getPublicUrl(key);
 
     return {
-      uploadUrl,
+      uploadUrl: this.toPublicUrl(uploadUrl),
       publicUrl,
       key,
     };
@@ -279,7 +306,7 @@ export class UploadService {
     const publicUrl = this.getPublicUrl(key);
 
     return {
-      uploadUrl,
+      uploadUrl: this.toPublicUrl(uploadUrl),
       publicUrl,
       key,
     };