chore: import upstream snapshot with attribution

apps/sim/app/api/auth/oauth/microsoft/file/route.ts

@@ -0,0 +1,123 @@
+import { createLogger } from '@sim/logger'
+import { type NextRequest, NextResponse } from 'next/server'
+import { microsoftFileQuerySchema } from '@/lib/api/contracts/selectors/microsoft'
+import { getValidationErrorMessage } from '@/lib/api/server'
+import { authorizeCredentialUse } from '@/lib/auth/credential-access'
+import { validateMicrosoftGraphId } from '@/lib/core/security/input-validation'
+import { generateRequestId } from '@/lib/core/utils/request'
+import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
+import { getCredential, refreshAccessTokenIfNeeded } from '@/app/api/auth/oauth/utils'
+
+export const dynamic = 'force-dynamic'
+
+const logger = createLogger('MicrosoftFileAPI')
+
+export const GET = withRouteHandler(async (request: NextRequest) => {
+  const requestId = generateRequestId()
+  try {
+    const { searchParams } = new URL(request.url)
+    const parsedQuery = microsoftFileQuerySchema.safeParse({
+      credentialId: searchParams.get('credentialId') ?? undefined,
+      fileId: searchParams.get('fileId') ?? undefined,
+      workflowId: searchParams.get('workflowId') ?? undefined,
+    })
+
+    if (!parsedQuery.success) {
+      return NextResponse.json(
+        { error: getValidationErrorMessage(parsedQuery.error) },
+        { status: 400 }
+      )
+    }
+
+    const { credentialId, fileId, workflowId } = parsedQuery.data
+
+    const fileIdValidation = validateMicrosoftGraphId(fileId, 'fileId')
+    if (!fileIdValidation.isValid) {
+      logger.warn(`[${requestId}] Invalid file ID: ${fileIdValidation.error}`)
+      return NextResponse.json({ error: fileIdValidation.error }, { status: 400 })
+    }
+
+    const authz = await authorizeCredentialUse(request, {
+      credentialId,
+      workflowId,
+      requireWorkflowIdForInternal: false,
+    })
+
+    if (!authz.ok || !authz.credentialOwnerUserId) {
+      const status = authz.error === 'Credential not found' ? 404 : 403
+      return NextResponse.json({ error: authz.error || 'Unauthorized' }, { status })
+    }
+
+    const resolvedCredentialId = authz.resolvedCredentialId || credentialId
+    const credential = await getCredential(
+      requestId,
+      resolvedCredentialId,
+      authz.credentialOwnerUserId
+    )
+    if (!credential) {
+      return NextResponse.json({ error: 'Credential not found' }, { status: 404 })
+    }
+
+    const accessToken = await refreshAccessTokenIfNeeded(
+      resolvedCredentialId,
+      authz.credentialOwnerUserId,
+      requestId
+    )
+
+    if (!accessToken) {
+      return NextResponse.json({ error: 'Failed to obtain valid access token' }, { status: 401 })
+    }
+
+    const response = await fetch(
+      `https://graph.microsoft.com/v1.0/me/drive/items/${fileId}?$select=id,name,mimeType,webUrl,thumbnails,createdDateTime,lastModifiedDateTime,size,createdBy`,
+      {
+        headers: {
+          Authorization: `Bearer ${accessToken}`,
+        },
+      }
+    )
+
+    if (!response.ok) {
+      const errorData = await response.json().catch(() => ({ error: { message: 'Unknown error' } }))
+      logger.error(`[${requestId}] Microsoft Graph API error`, {
+        status: response.status,
+        error: errorData.error?.message || 'Failed to fetch file from Microsoft OneDrive',
+      })
+      return NextResponse.json(
+        {
+          error: errorData.error?.message || 'Failed to fetch file from Microsoft OneDrive',
+        },
+        { status: response.status }
+      )
+    }
+
+    const file = await response.json()
+
+    const transformedFile = {
+      id: file.id,
+      name: file.name,
+      mimeType:
+        file.mimeType || 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+      iconLink: file.thumbnails?.[0]?.small?.url,
+      webViewLink: file.webUrl,
+      thumbnailLink: file.thumbnails?.[0]?.medium?.url,
+      createdTime: file.createdDateTime,
+      modifiedTime: file.lastModifiedDateTime,
+      size: file.size?.toString(),
+      owners: file.createdBy
+        ? [
+            {
+              displayName: file.createdBy.user?.displayName || 'Unknown',
+              emailAddress: file.createdBy.user?.email || '',
+            },
+          ]
+        : [],
+      downloadUrl: `https://graph.microsoft.com/v1.0/me/drive/items/${file.id}/content`,
+    }
+
+    return NextResponse.json({ file: transformedFile }, { status: 200 })
+  } catch (error) {
+    logger.error(`[${requestId}] Error fetching file from Microsoft OneDrive`, error)
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
+  }
+})