fix(copilot): fix image auth (#1841)

* Fix copilot image auth

* Lint

* Remove extra loggign

* Update apps/sim/app/api/copilot/chat/route.ts

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

---------

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

Author: Sg312

apps/sim/app/api/copilot/chat/route.ts

@@ -325,6 +325,7 @@ export async function POST(req: NextRequest) {
       ...(processedFileContents.length > 0 && { fileAttachments: processedFileContents }),
     }
 
+
     try {
       logger.info(`[${tracker.requestId}] About to call Sim Agent`, {
         hasContext: agentContexts.length > 0,

apps/sim/app/api/files/authorization.ts

@@ -122,7 +122,7 @@ export async function verifyFileAccess(
     }
 
     // 2. Execution files: workspace_id/workflow_id/execution_id/filename
-    if (inferredContext === 'execution' || isExecutionFile(cloudKey, bucketType)) {
+    if (inferredContext === 'execution' || (!context && isExecutionFile(cloudKey, bucketType))) {
       return await verifyExecutionFileAccess(cloudKey, userId, customConfig)
     }
 

apps/sim/app/api/files/upload/route.ts

@@ -245,6 +245,11 @@ export async function POST(request: NextRequest) {
 
         logger.info(`Uploading ${context} file: ${originalName}`)
 
+        // Generate storage key with context prefix and timestamp to ensure uniqueness
+        const timestamp = Date.now()
+        const safeFileName = originalName.replace(/\s+/g, '-')
+        const storageKey = `${context}/${timestamp}-${safeFileName}`
+
         const metadata: Record<string, string> = {
           originalName: originalName,
           uploadedAt: new Date().toISOString(),
@@ -258,9 +263,11 @@ export async function POST(request: NextRequest) {
 
         const fileInfo = await storageService.uploadFile({
           file: buffer,
-          fileName: originalName,
+          fileName: storageKey,
           contentType: file.type,
           context,
+          preserveKey: true,
+          customKey: storageKey,
           metadata,
         })