Monorepo for wisp.place. A static site hosting service built on top of the AT Protocol.
wisp.place
nekomimi.pet
1import { Elysia } from 'elysia'
2import { requireAuth, type AuthenticatedContext } from '../lib/wisp-auth'
3import { NodeOAuthClient } from '@atproto/oauth-client-node'
4import { Agent } from '@atproto/api'
5import { TID } from '@atproto/common-web'
6import {
7 type UploadedFile,
8 type FileUploadResult,
9 processUploadedFiles,
10 createManifest,
11 updateFileBlobs,
12 shouldCompressFile,
13 compressFile,
14 computeCID,
15 extractBlobMap,
16 extractSubfsUris,
17 findLargeDirectories,
18 replaceDirectoryWithSubfs,
19 estimateDirectorySize
20} from '../lib/wisp-utils'
21import { upsertSite } from '../lib/db'
22import { logger } from '../lib/observability'
23import { validateRecord } from '../lexicons/types/place/wisp/fs'
24import { validateRecord as validateSubfsRecord } from '../lexicons/types/place/wisp/subfs'
25import { MAX_SITE_SIZE, MAX_FILE_SIZE, MAX_FILE_COUNT } from '../lib/constants'
26import {
27 createUploadJob,
28 getUploadJob,
29 updateJobProgress,
30 completeUploadJob,
31 failUploadJob,
32 addJobListener
33} from '../lib/upload-jobs'
34
35function isValidSiteName(siteName: string): boolean {
36 if (!siteName || typeof siteName !== 'string') return false;
37
38 // Length check (AT Protocol rkey limit)
39 if (siteName.length < 1 || siteName.length > 512) return false;
40
41 // Check for path traversal
42 if (siteName === '.' || siteName === '..') return false;
43 if (siteName.includes('/') || siteName.includes('\\')) return false;
44 if (siteName.includes('\0')) return false;
45
46 // AT Protocol rkey format: alphanumeric, dots, dashes, underscores, tildes, colons
47 // Based on NSID format rules
48 const validRkeyPattern = /^[a-zA-Z0-9._~:-]+$/;
49 if (!validRkeyPattern.test(siteName)) return false;
50
51 return true;
52}
53
54async function processUploadInBackground(
55 jobId: string,
56 agent: Agent,
57 did: string,
58 siteName: string,
59 fileArray: File[]
60): Promise<void> {
61 try {
62 // Try to fetch existing record to enable incremental updates
63 let existingBlobMap = new Map<string, { blobRef: any; cid: string }>();
64 let oldSubfsUris: Array<{ uri: string; path: string }> = [];
65 console.log('Attempting to fetch existing record...');
66 updateJobProgress(jobId, { phase: 'validating' });
67
68 try {
69 const rkey = siteName;
70 const existingRecord = await agent.com.atproto.repo.getRecord({
71 repo: did,
72 collection: 'place.wisp.fs',
73 rkey: rkey
74 });
75 console.log('Existing record found!');
76
77 if (existingRecord.data.value && typeof existingRecord.data.value === 'object' && 'root' in existingRecord.data.value) {
78 const manifest = existingRecord.data.value as any;
79
80 // Extract blob map from main record
81 existingBlobMap = extractBlobMap(manifest.root);
82 console.log(`Found existing manifest with ${existingBlobMap.size} files in main record`);
83
84 // Extract subfs URIs with their mount paths from main record
85 const subfsUris = extractSubfsUris(manifest.root);
86 oldSubfsUris = subfsUris; // Save for cleanup later
87
88 if (subfsUris.length > 0) {
89 console.log(`Found ${subfsUris.length} subfs records, fetching in parallel...`);
90 logger.info(`Fetching ${subfsUris.length} subfs records for blob reuse`);
91
92 // Fetch all subfs records in parallel
93 const subfsRecords = await Promise.all(
94 subfsUris.map(async ({ uri, path }) => {
95 try {
96 // Parse URI: at://did/collection/rkey
97 const parts = uri.replace('at://', '').split('/');
98 const subDid = parts[0];
99 const collection = parts[1];
100 const subRkey = parts[2];
101
102 const record = await agent.com.atproto.repo.getRecord({
103 repo: subDid,
104 collection: collection,
105 rkey: subRkey
106 });
107
108 return { record: record.data.value as any, mountPath: path };
109 } catch (err: any) {
110 logger.warn(`Failed to fetch subfs record ${uri}: ${err?.message}`, err);
111 return null;
112 }
113 })
114 );
115
116 // Merge blob maps from all subfs records
117 let totalSubfsBlobs = 0;
118 for (const subfsData of subfsRecords) {
119 if (subfsData && subfsData.record && 'root' in subfsData.record) {
120 // Extract blobs with the correct mount path prefix
121 const subfsMap = extractBlobMap(subfsData.record.root, subfsData.mountPath);
122 subfsMap.forEach((value, key) => {
123 existingBlobMap.set(key, value);
124 totalSubfsBlobs++;
125 });
126 }
127 }
128
129 console.log(`Merged ${totalSubfsBlobs} files from ${subfsUris.length} subfs records`);
130 logger.info(`Total blob map: ${existingBlobMap.size} files (main + subfs)`);
131 }
132
133 console.log(`Total existing blobs for reuse: ${existingBlobMap.size} files`);
134 logger.info(`Found existing manifest with ${existingBlobMap.size} files for incremental update`);
135 }
136 } catch (error: any) {
137 console.log('No existing record found or error:', error?.message || error);
138 if (error?.status !== 400 && error?.error !== 'RecordNotFound') {
139 logger.warn('Failed to fetch existing record, proceeding with full upload', error);
140 }
141 }
142
143 // Convert File objects to UploadedFile format
144 const uploadedFiles: UploadedFile[] = [];
145 const skippedFiles: Array<{ name: string; reason: string }> = [];
146
147 console.log('Processing files, count:', fileArray.length);
148 updateJobProgress(jobId, { phase: 'compressing' });
149
150 for (let i = 0; i < fileArray.length; i++) {
151 const file = fileArray[i];
152
153 // Skip undefined/null files
154 if (!file || !file.name) {
155 console.log(`Skipping undefined file at index ${i}`);
156 skippedFiles.push({
157 name: `[undefined file at index ${i}]`,
158 reason: 'Invalid file object'
159 });
160 continue;
161 }
162
163 console.log(`Processing file ${i + 1}/${fileArray.length}:`, file.name, file.size, 'bytes');
164 updateJobProgress(jobId, {
165 filesProcessed: i + 1,
166 currentFile: file.name
167 });
168
169 // Skip .git directory files
170 const normalizedPath = file.name.replace(/^[^\/]*\//, '');
171 if (normalizedPath.startsWith('.git/') || normalizedPath === '.git') {
172 console.log(`Skipping .git file: ${file.name}`);
173 skippedFiles.push({
174 name: file.name,
175 reason: '.git directory excluded'
176 });
177 continue;
178 }
179
180 // Skip files that are too large
181 const maxSize = MAX_FILE_SIZE;
182 if (file.size > maxSize) {
183 skippedFiles.push({
184 name: file.name,
185 reason: `file too large (${(file.size / 1024 / 1024).toFixed(2)}MB, max 100MB)`
186 });
187 continue;
188 }
189
190 const arrayBuffer = await file.arrayBuffer();
191 const originalContent = Buffer.from(arrayBuffer);
192 const originalMimeType = file.type || 'application/octet-stream';
193
194 // Determine if file should be compressed
195 const shouldCompress = shouldCompressFile(originalMimeType);
196
197 // Text files (HTML/CSS/JS) need base64 encoding to prevent PDS content sniffing
198 // Audio files just need compression without base64
199 const needsBase64 =
200 originalMimeType.startsWith('text/') ||
201 originalMimeType.startsWith('application/json') ||
202 originalMimeType.startsWith('application/xml') ||
203 originalMimeType === 'image/svg+xml';
204
205 let finalContent: Buffer;
206 let compressed = false;
207 let base64Encoded = false;
208
209 if (shouldCompress) {
210 const compressedContent = compressFile(originalContent);
211 compressed = true;
212
213 if (needsBase64) {
214 // Text files: compress AND base64 encode
215 finalContent = Buffer.from(compressedContent.toString('base64'), 'binary');
216 base64Encoded = true;
217 const compressionRatio = (compressedContent.length / originalContent.length * 100).toFixed(1);
218 console.log(`Compressing+base64 ${file.name}: ${originalContent.length} -> ${compressedContent.length} bytes (${compressionRatio}%), base64: ${finalContent.length} bytes`);
219 logger.info(`Compressing+base64 ${file.name}: ${originalContent.length} -> ${compressedContent.length} bytes (${compressionRatio}%), base64: ${finalContent.length} bytes`);
220 } else {
221 // Audio files: just compress, no base64
222 finalContent = compressedContent;
223 const compressionRatio = (compressedContent.length / originalContent.length * 100).toFixed(1);
224 console.log(`Compressing ${file.name}: ${originalContent.length} -> ${compressedContent.length} bytes (${compressionRatio}%)`);
225 logger.info(`Compressing ${file.name}: ${originalContent.length} -> ${compressedContent.length} bytes (${compressionRatio}%)`);
226 }
227 } else {
228 // Binary files: upload directly
229 finalContent = originalContent;
230 console.log(`Uploading ${file.name} directly: ${originalContent.length} bytes (no compression)`);
231 logger.info(`Uploading ${file.name} directly: ${originalContent.length} bytes (binary)`);
232 }
233
234 uploadedFiles.push({
235 name: file.name,
236 content: finalContent,
237 mimeType: originalMimeType,
238 size: finalContent.length,
239 compressed,
240 base64Encoded,
241 originalMimeType
242 });
243 }
244
245 // Update total file count after filtering (important for progress tracking)
246 updateJobProgress(jobId, {
247 totalFiles: uploadedFiles.length
248 });
249
250 // Check total size limit
251 const totalSize = uploadedFiles.reduce((sum, file) => sum + file.size, 0);
252 const maxTotalSize = MAX_SITE_SIZE;
253
254 if (totalSize > maxTotalSize) {
255 throw new Error(`Total upload size ${(totalSize / 1024 / 1024).toFixed(2)}MB exceeds 300MB limit`);
256 }
257
258 // Check file count limit
259 if (uploadedFiles.length > MAX_FILE_COUNT) {
260 throw new Error(`File count ${uploadedFiles.length} exceeds ${MAX_FILE_COUNT} files limit`);
261 }
262
263 console.log(`After filtering: ${uploadedFiles.length} files to process (${skippedFiles.length} skipped)`);
264
265 if (uploadedFiles.length === 0) {
266 // Create empty manifest
267 const emptyManifest = {
268 $type: 'place.wisp.fs',
269 site: siteName,
270 root: {
271 type: 'directory',
272 entries: []
273 },
274 fileCount: 0,
275 createdAt: new Date().toISOString()
276 };
277
278 const validationResult = validateRecord(emptyManifest);
279 if (!validationResult.success) {
280 throw new Error(`Invalid manifest: ${validationResult.error?.message || 'Validation failed'}`);
281 }
282
283 const rkey = siteName;
284 updateJobProgress(jobId, { phase: 'finalizing' });
285
286 const record = await agent.com.atproto.repo.putRecord({
287 repo: did,
288 collection: 'place.wisp.fs',
289 rkey: rkey,
290 record: emptyManifest
291 });
292
293 await upsertSite(did, rkey, siteName);
294
295 completeUploadJob(jobId, {
296 success: true,
297 uri: record.data.uri,
298 cid: record.data.cid,
299 fileCount: 0,
300 siteName,
301 skippedFiles
302 });
303 return;
304 }
305
306 // Process files into directory structure
307 console.log('Processing uploaded files into directory structure...');
308 const validUploadedFiles = uploadedFiles.filter((f, i) => {
309 if (!f || !f.name || !f.content) {
310 console.error(`Filtering out invalid file at index ${i}`);
311 return false;
312 }
313 return true;
314 });
315
316 const { directory, fileCount } = processUploadedFiles(validUploadedFiles);
317 console.log('Directory structure created, file count:', fileCount);
318
319 // Upload files as blobs with retry logic for DPoP nonce conflicts
320 console.log('Starting blob upload/reuse phase...');
321 updateJobProgress(jobId, { phase: 'uploading' });
322
323 // Helper function to upload blob with exponential backoff retry and timeout
324 const uploadBlobWithRetry = async (
325 agent: Agent,
326 content: Buffer,
327 mimeType: string,
328 fileName: string,
329 maxRetries = 5
330 ) => {
331 for (let attempt = 0; attempt < maxRetries; attempt++) {
332 const controller = new AbortController();
333 const timeoutMs = 300000; // 5 minute timeout per upload
334 const timeoutId = setTimeout(() => controller.abort(), timeoutMs);
335
336 try {
337 console.log(`[File Upload] Starting upload attempt ${attempt + 1}/${maxRetries} for ${fileName} (${content.length} bytes, ${mimeType})`);
338
339 const result = await agent.com.atproto.repo.uploadBlob(content, { encoding: mimeType });
340 clearTimeout(timeoutId);
341 console.log(`[File Upload] ✅ Successfully uploaded ${fileName} on attempt ${attempt + 1}`);
342 return result;
343 } catch (error: any) {
344 clearTimeout(timeoutId);
345
346 const isDPoPNonceError =
347 error?.message?.toLowerCase().includes('nonce') ||
348 error?.message?.toLowerCase().includes('dpop') ||
349 error?.status === 409;
350
351 const isTimeout = error?.name === 'AbortError' || error?.message === 'Upload timeout';
352 const isRateLimited = error?.status === 429 || error?.message?.toLowerCase().includes('rate');
353 const isRequestEntityTooLarge = error?.status === 419 || error?.status === 413;
354
355 // Special handling for 419/413 Request Entity Too Large errors
356 if (isRequestEntityTooLarge) {
357 const customError = new Error('Your PDS is not allowing uploads large enough to store your site. Please contact your PDS host. This could also possibly be a result of it being behind Cloudflare free tier.');
358 (customError as any).status = 419;
359 throw customError;
360 }
361
362 // Retry on DPoP nonce conflicts, timeouts, or rate limits
363 if ((isDPoPNonceError || isTimeout || isRateLimited) && attempt < maxRetries - 1) {
364 let backoffMs: number;
365 if (isRateLimited) {
366 backoffMs = 2000 * Math.pow(2, attempt); // 2s, 4s, 8s, 16s for rate limits
367 } else if (isTimeout) {
368 backoffMs = 1000 * Math.pow(2, attempt); // 1s, 2s, 4s, 8s for timeouts
369 } else {
370 backoffMs = 100 * Math.pow(2, attempt); // 100ms, 200ms, 400ms for DPoP
371 }
372
373 const reason = isDPoPNonceError ? 'DPoP nonce conflict' : isTimeout ? 'timeout' : 'rate limit';
374 logger.info(`[File Upload] 🔄 ${reason} for ${fileName}, retrying in ${backoffMs}ms (attempt ${attempt + 1}/${maxRetries})`);
375 console.log(`[File Upload] 🔄 ${reason} for ${fileName}, retrying in ${backoffMs}ms`);
376 await new Promise(resolve => setTimeout(resolve, backoffMs));
377 continue;
378 }
379
380 // Log detailed error information before throwing
381 logger.error(`[File Upload] ❌ Upload failed for ${fileName} (size: ${content.length} bytes, mimeType: ${mimeType}, attempt: ${attempt + 1}/${maxRetries})`, {
382 error: error?.error || error?.message || 'Unknown error',
383 status: error?.status,
384 headers: error?.headers,
385 success: error?.success
386 });
387 console.error(`[File Upload] ❌ Upload failed for ${fileName}:`, {
388 error: error?.error || error?.message || 'Unknown error',
389 status: error?.status,
390 size: content.length,
391 mimeType,
392 attempt: attempt + 1
393 });
394 throw error;
395 }
396 }
397 throw new Error(`Failed to upload ${fileName} after ${maxRetries} attempts`);
398 };
399
400 // Use sliding window concurrency for maximum throughput
401 const CONCURRENCY_LIMIT = 20; // Maximum concurrent uploads
402 const uploadedBlobs: Array<{
403 result: FileUploadResult;
404 filePath: string;
405 sentMimeType: string;
406 returnedMimeType: string;
407 reused: boolean;
408 }> = [];
409 const failedFiles: Array<{
410 name: string;
411 index: number;
412 error: string;
413 size: number;
414 }> = [];
415
416 // Track completed files count for accurate progress
417 let completedFilesCount = 0;
418
419 // Process file with sliding window concurrency
420 const processFile = async (file: UploadedFile, index: number) => {
421 try {
422 if (!file || !file.name) {
423 throw new Error(`Undefined file at index ${index}`);
424 }
425
426 const fileCID = computeCID(file.content);
427 const normalizedPath = file.name.replace(/^[^\/]*\//, '');
428 const existingBlob = existingBlobMap.get(normalizedPath) || existingBlobMap.get(file.name);
429
430 if (existingBlob && existingBlob.cid === fileCID) {
431 logger.info(`[File Upload] ♻️ Reused: ${file.name} (unchanged, CID: ${fileCID})`);
432 const reusedCount = (getUploadJob(jobId)?.progress.filesReused || 0) + 1;
433 completedFilesCount++;
434 updateJobProgress(jobId, {
435 filesReused: reusedCount,
436 currentFile: `${completedFilesCount}/${validUploadedFiles.length}: ${file.name} (reused)`
437 });
438
439 return {
440 result: {
441 hash: existingBlob.cid,
442 blobRef: existingBlob.blobRef,
443 ...(file.compressed && {
444 encoding: 'gzip' as const,
445 mimeType: file.originalMimeType || file.mimeType,
446 base64: file.base64Encoded || false
447 })
448 },
449 filePath: file.name,
450 sentMimeType: file.mimeType,
451 returnedMimeType: existingBlob.blobRef.mimeType,
452 reused: true
453 };
454 }
455
456 const uploadMimeType = file.compressed || file.mimeType.startsWith('text/html')
457 ? 'application/octet-stream'
458 : file.mimeType;
459
460 const compressionInfo = file.compressed ? ' (gzipped)' : '';
461 const fileSizeMB = (file.size / 1024 / 1024).toFixed(2);
462 logger.info(`[File Upload] ⬆️ Uploading: ${file.name} (${fileSizeMB}MB${compressionInfo})`);
463
464 const uploadResult = await uploadBlobWithRetry(
465 agent,
466 file.content,
467 uploadMimeType,
468 file.name
469 );
470
471 const returnedBlobRef = uploadResult.data.blob;
472 const uploadedCount = (getUploadJob(jobId)?.progress.filesUploaded || 0) + 1;
473 completedFilesCount++;
474 updateJobProgress(jobId, {
475 filesUploaded: uploadedCount,
476 currentFile: `${completedFilesCount}/${validUploadedFiles.length}: ${file.name} (uploaded)`
477 });
478 logger.info(`[File Upload] ✅ Uploaded: ${file.name} (CID: ${fileCID})`);
479
480 return {
481 result: {
482 hash: returnedBlobRef.ref.toString(),
483 blobRef: returnedBlobRef,
484 ...(file.compressed && {
485 encoding: 'gzip' as const,
486 mimeType: file.originalMimeType || file.mimeType,
487 base64: file.base64Encoded || false
488 })
489 },
490 filePath: file.name,
491 sentMimeType: file.mimeType,
492 returnedMimeType: returnedBlobRef.mimeType,
493 reused: false
494 };
495 } catch (uploadError) {
496 const fileName = file?.name || 'unknown';
497 const fileSize = file?.size || 0;
498 const errorMessage = uploadError instanceof Error ? uploadError.message : 'Unknown error';
499 const errorDetails = {
500 fileName,
501 fileSize,
502 index,
503 error: errorMessage,
504 stack: uploadError instanceof Error ? uploadError.stack : undefined
505 };
506 logger.error(`Upload failed for file: ${fileName} (${fileSize} bytes) at index ${index}`, errorDetails);
507 console.error(`Upload failed for file: ${fileName} (${fileSize} bytes) at index ${index}`, errorDetails);
508
509 completedFilesCount++;
510 updateJobProgress(jobId, {
511 currentFile: `${completedFilesCount}/${validUploadedFiles.length}: ${fileName} (failed)`
512 });
513
514 // Track failed file but don't throw - continue with other files
515 failedFiles.push({
516 name: fileName,
517 index,
518 error: errorMessage,
519 size: fileSize
520 });
521
522 return null; // Return null to indicate failure
523 }
524 };
525
526 // Sliding window concurrency control
527 const processWithConcurrency = async () => {
528 const results: any[] = [];
529 let fileIndex = 0;
530 const executing = new Map<Promise<void>, { index: number; name: string }>();
531
532 for (const file of validUploadedFiles) {
533 const currentIndex = fileIndex++;
534
535 const promise = processFile(file, currentIndex)
536 .then(result => {
537 results[currentIndex] = result;
538 })
539 .catch(error => {
540 // This shouldn't happen since processFile catches errors, but just in case
541 logger.error(`Unexpected error processing file at index ${currentIndex}`, error);
542 results[currentIndex] = null;
543 })
544 .finally(() => {
545 executing.delete(promise);
546 });
547
548 executing.set(promise, { index: currentIndex, name: file.name });
549
550 if (executing.size >= CONCURRENCY_LIMIT) {
551 await Promise.race(executing.keys());
552 }
553 }
554
555 // Wait for remaining uploads
556 await Promise.all(executing.keys());
557 console.log(`\n✅ Upload complete: ${completedFilesCount}/${validUploadedFiles.length} files processed\n`);
558 return results.filter(r => r !== undefined && r !== null); // Filter out null (failed) and undefined entries
559 };
560
561 const allResults = await processWithConcurrency();
562 uploadedBlobs.push(...allResults);
563
564 const currentReused = uploadedBlobs.filter(b => b.reused).length;
565 const currentUploaded = uploadedBlobs.filter(b => !b.reused).length;
566 const successfulCount = uploadedBlobs.length;
567 const failedCount = failedFiles.length;
568
569 logger.info(`[File Upload] 🎉 Upload complete → ${successfulCount}/${validUploadedFiles.length} files succeeded (${currentUploaded} uploaded, ${currentReused} reused), ${failedCount} failed`);
570
571 if (failedCount > 0) {
572 logger.warn(`[File Upload] ⚠️ Failed files:`, failedFiles);
573 console.warn(`[File Upload] ⚠️ ${failedCount} files failed to upload:`, failedFiles.map(f => f.name).join(', '));
574 }
575
576 const reusedCount = uploadedBlobs.filter(b => b.reused).length;
577 const uploadedCount = uploadedBlobs.filter(b => !b.reused).length;
578 logger.info(`[File Upload] 🎉 Upload phase complete! Total: ${successfulCount} files (${uploadedCount} uploaded, ${reusedCount} reused)`);
579
580 const uploadResults: FileUploadResult[] = uploadedBlobs.map(blob => blob.result);
581 const filePaths: string[] = uploadedBlobs.map(blob => blob.filePath);
582
583 // Update directory with file blobs (only for successfully uploaded files)
584 console.log('Updating directory with blob references...');
585 updateJobProgress(jobId, { phase: 'creating_manifest' });
586
587 // Create a set of successfully uploaded paths for quick lookup
588 const successfulPaths = new Set(filePaths.map(path => path.replace(/^[^\/]*\//, '')));
589
590 const updatedDirectory = updateFileBlobs(directory, uploadResults, filePaths, '', successfulPaths);
591
592 // Calculate actual file count (only successfully uploaded files)
593 const actualFileCount = uploadedBlobs.length;
594
595 // Check if we need to split into subfs records
596 // Split proactively if we have lots of files to avoid hitting manifest size limits
597 const MAX_MANIFEST_SIZE = 140 * 1024; // 140KB to be safe (PDS limit is 150KB)
598 const FILE_COUNT_THRESHOLD = 250; // Start splitting at this many files
599 const TARGET_FILE_COUNT = 200; // Try to keep main manifest under this many files
600 const subfsRecords: Array<{ uri: string; path: string }> = [];
601 let workingDirectory = updatedDirectory;
602 let currentFileCount = actualFileCount;
603
604 // Create initial manifest to check size
605 let manifest = createManifest(siteName, workingDirectory, actualFileCount);
606 let manifestSize = JSON.stringify(manifest).length;
607
608 // Split if we have lots of files OR if manifest is already too large
609 if (actualFileCount >= FILE_COUNT_THRESHOLD || manifestSize > MAX_MANIFEST_SIZE) {
610 console.log(`⚠️ Large site detected (${actualFileCount} files, ${(manifestSize / 1024).toFixed(1)}KB), splitting into subfs records...`);
611 logger.info(`Large site with ${actualFileCount} files, splitting into subfs records`);
612
613 // Keep splitting until manifest fits under limits (both size and file count)
614 let attempts = 0;
615 const MAX_ATTEMPTS = 100; // Allow many splits for very large sites
616
617 while ((manifestSize > MAX_MANIFEST_SIZE || currentFileCount > TARGET_FILE_COUNT) && attempts < MAX_ATTEMPTS) {
618 attempts++;
619
620 // Find all directories sorted by size (largest first)
621 const directories = findLargeDirectories(workingDirectory);
622 directories.sort((a, b) => b.size - a.size);
623
624 // Check if we can split subdirectories or need to split flat files
625 if (directories.length > 0) {
626 // Split the largest subdirectory
627 const largestDir = directories[0];
628 console.log(` Split #${attempts}: ${largestDir.path} (${largestDir.fileCount} files, ${(largestDir.size / 1024).toFixed(1)}KB)`);
629
630 // Create a subfs record for this directory
631 const subfsRkey = TID.nextStr();
632 const subfsManifest = {
633 $type: 'place.wisp.subfs' as const,
634 root: largestDir.directory,
635 fileCount: largestDir.fileCount,
636 createdAt: new Date().toISOString()
637 };
638
639 // Validate subfs record
640 const subfsValidation = validateSubfsRecord(subfsManifest);
641 if (!subfsValidation.success) {
642 throw new Error(`Invalid subfs manifest: ${subfsValidation.error?.message || 'Validation failed'}`);
643 }
644
645 // Upload subfs record to PDS
646 const subfsRecord = await agent.com.atproto.repo.putRecord({
647 repo: did,
648 collection: 'place.wisp.subfs',
649 rkey: subfsRkey,
650 record: subfsManifest
651 });
652
653 const subfsUri = subfsRecord.data.uri;
654 subfsRecords.push({ uri: subfsUri, path: largestDir.path });
655 console.log(` ✅ Created subfs: ${subfsUri}`);
656 logger.info(`Created subfs record for ${largestDir.path}: ${subfsUri}`);
657
658 // Replace directory with subfs node in the main tree
659 workingDirectory = replaceDirectoryWithSubfs(workingDirectory, largestDir.path, subfsUri);
660 currentFileCount -= largestDir.fileCount;
661 } else {
662 // No subdirectories - split flat files at root level
663 const rootFiles = workingDirectory.entries.filter(e => 'type' in e.node && e.node.type === 'file');
664
665 if (rootFiles.length === 0) {
666 throw new Error(
667 `Cannot split manifest further - no files or directories available. ` +
668 `Current: ${currentFileCount} files, ${(manifestSize / 1024).toFixed(1)}KB.`
669 );
670 }
671
672 // Take a chunk of files (aim for ~100 files per chunk)
673 const CHUNK_SIZE = 100;
674 const chunkFiles = rootFiles.slice(0, Math.min(CHUNK_SIZE, rootFiles.length));
675 console.log(` Split #${attempts}: flat root (${chunkFiles.length} files)`);
676
677 // Create a directory with just these files
678 const chunkDirectory: Directory = {
679 $type: 'place.wisp.fs#directory' as const,
680 type: 'directory' as const,
681 entries: chunkFiles
682 };
683
684 // Create subfs record for this chunk
685 const subfsRkey = TID.nextStr();
686 const subfsManifest = {
687 $type: 'place.wisp.subfs' as const,
688 root: chunkDirectory,
689 fileCount: chunkFiles.length,
690 createdAt: new Date().toISOString()
691 };
692
693 // Validate subfs record
694 const subfsValidation = validateSubfsRecord(subfsManifest);
695 if (!subfsValidation.success) {
696 throw new Error(`Invalid subfs manifest: ${subfsValidation.error?.message || 'Validation failed'}`);
697 }
698
699 // Upload subfs record to PDS
700 const subfsRecord = await agent.com.atproto.repo.putRecord({
701 repo: did,
702 collection: 'place.wisp.subfs',
703 rkey: subfsRkey,
704 record: subfsManifest
705 });
706
707 const subfsUri = subfsRecord.data.uri;
708 console.log(` ✅ Created flat subfs: ${subfsUri}`);
709 logger.info(`Created flat subfs record with ${chunkFiles.length} files: ${subfsUri}`);
710
711 // Remove these files from the working directory and add a subfs entry
712 const remainingEntries = workingDirectory.entries.filter(
713 e => !chunkFiles.some(cf => cf.name === e.name)
714 );
715
716 // Add subfs entry (will be merged flat when expanded)
717 remainingEntries.push({
718 name: `__subfs_${attempts}`, // Placeholder name, will be merged away
719 node: {
720 $type: 'place.wisp.fs#subfs' as const,
721 type: 'subfs' as const,
722 subject: subfsUri
723 }
724 });
725
726 workingDirectory = {
727 $type: 'place.wisp.fs#directory' as const,
728 type: 'directory' as const,
729 entries: remainingEntries
730 };
731
732 subfsRecords.push({ uri: subfsUri, path: `__subfs_${attempts}` });
733 currentFileCount -= chunkFiles.length;
734 }
735
736 // Recreate manifest and check new size
737 manifest = createManifest(siteName, workingDirectory, currentFileCount);
738 manifestSize = JSON.stringify(manifest).length;
739 const newSizeKB = (manifestSize / 1024).toFixed(1);
740 console.log(` → Manifest now ${newSizeKB}KB with ${currentFileCount} files (${subfsRecords.length} subfs total)`);
741
742 // Check if we're under both limits now
743 if (manifestSize <= MAX_MANIFEST_SIZE && currentFileCount <= TARGET_FILE_COUNT) {
744 console.log(` ✅ Manifest fits! (${currentFileCount} files, ${newSizeKB}KB)`);
745 break;
746 }
747 }
748
749 if (manifestSize > MAX_MANIFEST_SIZE || currentFileCount > TARGET_FILE_COUNT) {
750 throw new Error(
751 `Failed to fit manifest after splitting ${attempts} directories. ` +
752 `Current: ${currentFileCount} files, ${(manifestSize / 1024).toFixed(1)}KB. ` +
753 `This should never happen - please report this issue.`
754 );
755 }
756
757 console.log(`✅ Split complete: ${subfsRecords.length} subfs records, ${currentFileCount} files in main, ${(manifestSize / 1024).toFixed(1)}KB manifest`);
758 logger.info(`Split into ${subfsRecords.length} subfs records, ${currentFileCount} files remaining in main tree`);
759 } else {
760 const manifestSizeKB = (manifestSize / 1024).toFixed(1);
761 console.log(`Manifest created (${fileCount} files, ${manifestSizeKB}KB JSON) - no splitting needed`);
762 }
763
764 const rkey = siteName;
765 updateJobProgress(jobId, { phase: 'finalizing' });
766
767 console.log('Putting record to PDS with rkey:', rkey);
768 const record = await agent.com.atproto.repo.putRecord({
769 repo: did,
770 collection: 'place.wisp.fs',
771 rkey: rkey,
772 record: manifest
773 });
774 console.log('Record successfully created on PDS:', record.data.uri);
775
776 // Store site in database cache
777 await upsertSite(did, rkey, siteName);
778
779 // Clean up old subfs records if we had any
780 if (oldSubfsUris.length > 0) {
781 console.log(`Cleaning up ${oldSubfsUris.length} old subfs records...`);
782 logger.info(`Cleaning up ${oldSubfsUris.length} old subfs records`);
783
784 // Delete old subfs records in parallel (don't wait for completion)
785 Promise.all(
786 oldSubfsUris.map(async ({ uri }) => {
787 try {
788 // Parse URI: at://did/collection/rkey
789 const parts = uri.replace('at://', '').split('/');
790 const subRkey = parts[2];
791
792 await agent.com.atproto.repo.deleteRecord({
793 repo: did,
794 collection: 'place.wisp.subfs',
795 rkey: subRkey
796 });
797
798 console.log(` 🗑️ Deleted old subfs: ${uri}`);
799 logger.info(`Deleted old subfs record: ${uri}`);
800 } catch (err: any) {
801 // Don't fail the whole upload if cleanup fails
802 console.warn(`Failed to delete old subfs ${uri}:`, err?.message);
803 logger.warn(`Failed to delete old subfs ${uri}`, err);
804 }
805 })
806 ).catch(err => {
807 // Log but don't fail if cleanup fails
808 logger.warn('Some subfs cleanup operations failed', err);
809 });
810 }
811
812 completeUploadJob(jobId, {
813 success: true,
814 uri: record.data.uri,
815 cid: record.data.cid,
816 fileCount,
817 siteName,
818 skippedFiles,
819 failedFiles,
820 uploadedCount: validUploadedFiles.length - failedFiles.length,
821 hasFailures: failedFiles.length > 0
822 });
823
824 console.log('=== UPLOAD FILES COMPLETE ===');
825 } catch (error) {
826 console.error('=== UPLOAD ERROR ===');
827 console.error('Error details:', error);
828 logger.error('Upload error', error);
829 failUploadJob(jobId, error instanceof Error ? error.message : 'Unknown error');
830 }
831}
832
833export const wispRoutes = (client: NodeOAuthClient, cookieSecret: string) =>
834 new Elysia({
835 prefix: '/wisp',
836 cookie: {
837 secrets: cookieSecret,
838 sign: ['did']
839 }
840 })
841 .derive(async ({ cookie }) => {
842 const auth = await requireAuth(client, cookie)
843 return { auth }
844 })
845 .get(
846 '/upload-progress/:jobId',
847 async ({ params: { jobId }, auth, set }) => {
848 const job = getUploadJob(jobId);
849
850 if (!job) {
851 set.status = 404;
852 return { error: 'Job not found' };
853 }
854
855 // Verify job belongs to authenticated user
856 if (job.did !== auth.did) {
857 set.status = 403;
858 return { error: 'Unauthorized' };
859 }
860
861 // Set up SSE headers
862 set.headers = {
863 'Content-Type': 'text/event-stream',
864 'Cache-Control': 'no-cache',
865 'Connection': 'keep-alive'
866 };
867
868 const stream = new ReadableStream({
869 start(controller) {
870 const encoder = new TextEncoder();
871
872 // Send initial state
873 const sendEvent = (event: string, data: any) => {
874 try {
875 const message = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`;
876 controller.enqueue(encoder.encode(message));
877 } catch (err) {
878 // Controller closed, ignore
879 }
880 };
881
882 // Send keepalive comment every 15 seconds to prevent timeout
883 const keepaliveInterval = setInterval(() => {
884 try {
885 controller.enqueue(encoder.encode(': keepalive\n\n'));
886 } catch (err) {
887 // Controller closed, stop sending keepalives
888 clearInterval(keepaliveInterval);
889 }
890 }, 15000);
891
892 // Send current job state immediately
893 sendEvent('progress', {
894 status: job.status,
895 progress: job.progress,
896 result: job.result,
897 error: job.error
898 });
899
900 // If job is already completed or failed, close the stream
901 if (job.status === 'completed' || job.status === 'failed') {
902 clearInterval(keepaliveInterval);
903 controller.close();
904 return;
905 }
906
907 // Listen for updates
908 const cleanup = addJobListener(jobId, (event, data) => {
909 sendEvent(event, data);
910
911 // Close stream after done or error event
912 if (event === 'done' || event === 'error') {
913 clearInterval(keepaliveInterval);
914 setTimeout(() => {
915 try {
916 controller.close();
917 } catch (err) {
918 // Already closed
919 }
920 }, 100);
921 }
922 });
923
924 // Cleanup on disconnect
925 return () => {
926 clearInterval(keepaliveInterval);
927 cleanup();
928 };
929 }
930 });
931
932 return new Response(stream);
933 }
934 )
935 .post(
936 '/upload-files',
937 async ({ body, auth }) => {
938 const { siteName, files } = body as {
939 siteName: string;
940 files: File | File[]
941 };
942
943 console.log('=== UPLOAD FILES START ===');
944 console.log('Site name:', siteName);
945 console.log('Files received:', Array.isArray(files) ? files.length : 'single file');
946
947 try {
948 if (!siteName) {
949 throw new Error('Site name is required')
950 }
951
952 if (!isValidSiteName(siteName)) {
953 throw new Error('Invalid site name: must be 1-512 characters and contain only alphanumeric, dots, dashes, underscores, tildes, and colons')
954 }
955
956 // Check if files were provided
957 const hasFiles = files && (Array.isArray(files) ? files.length > 0 : !!files);
958
959 if (!hasFiles) {
960 // Handle empty upload synchronously (fast operation)
961 const agent = new Agent((url, init) => auth.session.fetchHandler(url, init))
962
963 const emptyManifest = {
964 $type: 'place.wisp.fs',
965 site: siteName,
966 root: {
967 type: 'directory',
968 entries: []
969 },
970 fileCount: 0,
971 createdAt: new Date().toISOString()
972 };
973
974 const validationResult = validateRecord(emptyManifest);
975 if (!validationResult.success) {
976 throw new Error(`Invalid manifest: ${validationResult.error?.message || 'Validation failed'}`);
977 }
978
979 const rkey = siteName;
980
981 const record = await agent.com.atproto.repo.putRecord({
982 repo: auth.did,
983 collection: 'place.wisp.fs',
984 rkey: rkey,
985 record: emptyManifest
986 });
987
988 await upsertSite(auth.did, rkey, siteName);
989
990 return {
991 success: true,
992 uri: record.data.uri,
993 cid: record.data.cid,
994 fileCount: 0,
995 siteName
996 };
997 }
998
999 // For file uploads, create a job and process in background
1000 const fileArray = Array.isArray(files) ? files : [files];
1001 const jobId = createUploadJob(auth.did, siteName, fileArray.length);
1002
1003 // Track upload speeds to estimate progress
1004 const uploadStats = {
1005 speeds: [] as number[], // MB/s from completed uploads
1006 getAverageSpeed(): number {
1007 if (this.speeds.length === 0) return 3; // Default 3 MB/s
1008 const sum = this.speeds.reduce((a, b) => a + b, 0);
1009 return sum / this.speeds.length;
1010 }
1011 };
1012
1013 // Create agent with OAuth session and upload progress monitoring
1014 const wrappedFetchHandler = async (url: string, init?: RequestInit) => {
1015 // Check if this is an uploadBlob request with a body
1016 if (url.includes('uploadBlob') && init?.body) {
1017 const originalBody = init.body;
1018 const bodySize = originalBody instanceof Uint8Array ? originalBody.length :
1019 originalBody instanceof ArrayBuffer ? originalBody.byteLength :
1020 typeof originalBody === 'string' ? new TextEncoder().encode(originalBody).length : 0;
1021
1022 const startTime = Date.now();
1023
1024 if (bodySize > 10 * 1024 * 1024) { // Files over 10MB
1025 const sizeMB = (bodySize / 1024 / 1024).toFixed(1);
1026 const avgSpeed = uploadStats.getAverageSpeed();
1027 const estimatedDuration = (bodySize / 1024 / 1024) / avgSpeed;
1028
1029 console.log(`[Upload Progress] Starting upload of ${sizeMB}MB file`);
1030 console.log(`[Upload Stats] Measured speeds from last ${uploadStats.speeds.length} files:`, uploadStats.speeds.map(s => s.toFixed(2) + ' MB/s').join(', '));
1031 console.log(`[Upload Stats] Average speed: ${avgSpeed.toFixed(2)} MB/s, estimated duration: ${estimatedDuration.toFixed(0)}s`);
1032
1033 // Log estimated progress every 5 seconds
1034 const progressInterval = setInterval(() => {
1035 const elapsed = (Date.now() - startTime) / 1000;
1036 const estimatedPercent = Math.min(95, Math.round((elapsed / estimatedDuration) * 100));
1037 const estimatedMB = Math.min(bodySize / 1024 / 1024, elapsed * avgSpeed).toFixed(1);
1038 console.log(`[Upload Progress] ~${estimatedPercent}% (~${estimatedMB}/${sizeMB}MB) - ${elapsed.toFixed(0)}s elapsed`);
1039 }, 5000);
1040
1041 try {
1042 const result = await auth.session.fetchHandler(url, init);
1043 clearInterval(progressInterval);
1044 const totalTime = (Date.now() - startTime) / 1000;
1045 const actualSpeed = (bodySize / 1024 / 1024) / totalTime;
1046 uploadStats.speeds.push(actualSpeed);
1047 // Keep only last 10 uploads for rolling average
1048 if (uploadStats.speeds.length > 10) uploadStats.speeds.shift();
1049 console.log(`[Upload Progress] ✅ Completed ${sizeMB}MB in ${totalTime.toFixed(1)}s (${actualSpeed.toFixed(1)} MB/s)`);
1050 return result;
1051 } catch (err) {
1052 clearInterval(progressInterval);
1053 const elapsed = (Date.now() - startTime) / 1000;
1054 console.error(`[Upload Progress] ❌ Upload failed after ${elapsed.toFixed(1)}s`);
1055 throw err;
1056 }
1057 } else {
1058 // Track small files too for speed calculation
1059 try {
1060 const result = await auth.session.fetchHandler(url, init);
1061 const totalTime = (Date.now() - startTime) / 1000;
1062 if (totalTime > 0.5) { // Only track if > 0.5s
1063 const actualSpeed = (bodySize / 1024 / 1024) / totalTime;
1064 uploadStats.speeds.push(actualSpeed);
1065 if (uploadStats.speeds.length > 10) uploadStats.speeds.shift();
1066 console.log(`[Upload Stats] Small file: ${(bodySize / 1024).toFixed(1)}KB in ${totalTime.toFixed(2)}s = ${actualSpeed.toFixed(2)} MB/s`);
1067 }
1068 return result;
1069 } catch (err) {
1070 throw err;
1071 }
1072 }
1073 }
1074
1075 // Normal request
1076 return auth.session.fetchHandler(url, init);
1077 };
1078
1079 const agent = new Agent(wrappedFetchHandler)
1080 console.log('Agent created for DID:', auth.did);
1081 console.log('Created upload job:', jobId);
1082
1083 // Start background processing (don't await)
1084 processUploadInBackground(jobId, agent, auth.did, siteName, fileArray).catch(err => {
1085 console.error('Background upload process failed:', err);
1086 logger.error('Background upload process failed', err);
1087 });
1088
1089 // Return immediately with job ID
1090 return {
1091 success: true,
1092 jobId,
1093 message: 'Upload started. Connect to /wisp/upload-progress/' + jobId + ' for progress updates.'
1094 };
1095 } catch (error) {
1096 console.error('=== UPLOAD ERROR ===');
1097 console.error('Error details:', error);
1098 logger.error('Upload error', error);
1099 throw new Error(`Failed to upload files: ${error instanceof Error ? error.message : 'Unknown error'}`);
1100 }
1101 }
1102 )