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feat: Implement file upload limits and page limit enforcement in backend

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- Added constants for maximum files per upload, per-file size, and total upload size.
- Enhanced document upload route to validate file counts and sizes, returning appropriate HTTP errors.
- Introduced end-to-end tests for upload limits and page limit enforcement, ensuring correct behavior under various scenarios.
- Updated test helpers to support notification retrieval for page limit exceeded scenarios.
This commit is contained in:
Anish Sarkar 2026-02-26 01:25:34 +05:30
parent 93c0af475b
commit a57ab02900
7 changed files with 628 additions and 2 deletions
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26
surfsense_web/components/assistant-ui/thread.tsx
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@ -82,6 +82,10 @@ const CYCLING_PLACEHOLDERS = [
const CHAT_UPLOAD_ACCEPT =
".pdf,.doc,.docx,.txt,.md,.markdown,.ppt,.pptx,.xls,.xlsx,.xlsm,.xlsb,.csv,.html,.htm,.xml,.rtf,.epub,.jpg,.jpeg,.png,.bmp,.webp,.tiff,.tif,.mp3,.mp4,.mpeg,.mpga,.m4a,.wav,.webm";
const CHAT_MAX_FILES = 10;
const CHAT_MAX_FILE_SIZE_BYTES = 50 * 1024 * 1024; // 50 MB per file
const CHAT_MAX_TOTAL_SIZE_BYTES = 200 * 1024 * 1024; // 200 MB total
type UploadState = "pending" | "processing" | "ready" | "failed";
interface UploadedMentionDoc {
@ -534,6 +538,28 @@ const Composer: FC = () => {
event.target.value = "";
if (files.length === 0 || !search_space_id) return;
if (files.length > CHAT_MAX_FILES) {
toast.error(`Too many files. Maximum ${CHAT_MAX_FILES} files per upload.`);
return;
}
let totalSize = 0;
for (const file of files) {
if (file.size > CHAT_MAX_FILE_SIZE_BYTES) {
toast.error(
`File "${file.name}" (${(file.size / (1024 * 1024)).toFixed(1)} MB) exceeds the ${CHAT_MAX_FILE_SIZE_BYTES / (1024 * 1024)} MB per-file limit.`
);
return;
}
totalSize += file.size;
}
if (totalSize > CHAT_MAX_TOTAL_SIZE_BYTES) {
toast.error(
`Total upload size (${(totalSize / (1024 * 1024)).toFixed(1)} MB) exceeds the ${CHAT_MAX_TOTAL_SIZE_BYTES / (1024 * 1024)} MB limit.`
);
return;
}
setIsUploadingDocs(true);
try {
const uploadResponse = await documentsApiService.uploadDocument({