new filenames + backfill

This commit is contained in:
2026-06-02 16:35:34 +02:00
parent 2c88953d97
commit a0ef658684
4 changed files with 251 additions and 5 deletions

View File

@@ -0,0 +1,243 @@
import db from '../src/inc/sql.mjs';
import cfg from '../src/inc/config.mjs';
import path from 'path';
import fs from 'fs/promises';
import crypto from 'crypto';
const isDryRun = process.argv.includes('--dry-run');
const limitArg = process.argv.indexOf('--limit');
const limit = limitArg !== -1 ? parseInt(process.argv[limitArg + 1], 10) : null;
const BATCH_SIZE = 1000;
async function run() {
console.log(`[BACKFILL] Starting long UUID migration & backfill script${isDryRun ? ' (DRY RUN)' : ''}${limit ? ` (Limit: ${limit})` : ''}`);
if (!isDryRun) {
console.log('[MIGRATION] Applying database schema migrations...');
// Drop views first because they depend on columns we want to alter
await db`DROP VIEW IF EXISTS public.items_sfw CASCADE`;
await db`DROP VIEW IF EXISTS public.items_li CASCADE`;
// Alter dest columns in items and comment_files
await db`ALTER TABLE public.items ALTER COLUMN dest TYPE character varying(255)`;
await db`ALTER TABLE public.comment_files ALTER COLUMN dest TYPE character varying(255)`;
// Recreate public.items_li view
await db`
CREATE OR REPLACE VIEW public.items_li AS
SELECT items.id,
items.src,
items.dest,
items.mime,
items.size,
items.checksum,
items.username,
items.userchannel,
items.usernetwork,
items.stamp
FROM ((public.items
JOIN public.tags_assign ta1 ON (((ta1.tag_id = 1) AND (ta1.item_id = items.id))))
JOIN public.tags_assign ta2 ON (((NOT (ta2.tag_id IN ( SELECT tags_nsfp.id
FROM public.tags_nsfp))) AND (ta2.item_id = items.id))))
WHERE items.active
GROUP BY items.id;
`;
// Recreate public.items_sfw view
await db`
CREATE OR REPLACE VIEW public.items_sfw AS
SELECT ( SELECT
CASE
WHEN (tags_assign.tag_id > 0) THEN tags_assign.tag_id
ELSE 0
END AS "case"
FROM public.tags_assign
WHERE ((tags_assign.tag_id = ANY (ARRAY[1, 2])) AND (tags_assign.item_id = items.id))) AS sfw,
( SELECT
CASE
WHEN (tags_assign.tag_id > 0) THEN 1
ELSE 0
END AS "case"
FROM public.tags_assign
WHERE ((tags_assign.tag_id IN ( SELECT tags_nsfp.id
FROM public.tags_nsfp)) AND (tags_assign.item_id = items.id))
LIMIT 1) AS nsfp,
id,
src,
dest,
mime,
size,
checksum,
username,
userchannel,
usernetwork,
stamp,
active
FROM public.items;
`;
console.log('[MIGRATION] Schema changes applied and views successfully recreated.');
}
// Map to keep track of all renamed files: old_filename -> new_filename
const renameMap = new Map();
// 1. Process items
console.log('[BACKFILL] Fetching items to process...');
const items = await db`SELECT id, dest FROM items`;
console.log(`[BACKFILL] Found ${items.length} items in DB.`);
let itemsProcessed = 0;
let itemsRenamedCount = 0;
for (const item of items) {
if (limit && itemsProcessed >= limit) break;
itemsProcessed++;
const ext = path.extname(item.dest);
const base = path.basename(item.dest, ext);
// If name is already 48 characters long, skip
if (base.length === 48) {
continue;
}
const newUuid = crypto.randomBytes(24).toString('hex');
const newDest = `${newUuid}${ext}`;
renameMap.set(item.dest, newDest);
// Physical files could be in active, pending or deleted folders
const pathsToCheck = [
path.join(cfg.paths.b, item.dest),
path.join(cfg.paths.pending, 'b', item.dest),
path.join(cfg.paths.deleted, 'b', item.dest)
];
let foundPath = null;
for (const p of pathsToCheck) {
try {
const stat = await fs.lstat(p);
if (!stat.isSymbolicLink()) {
foundPath = p;
break;
}
} catch (e) {}
}
if (foundPath) {
const newPath = path.join(path.dirname(foundPath), newDest);
console.log(`[BACKFILL] Renaming item file: ${foundPath} -> ${newPath}`);
if (!isDryRun) {
await fs.rename(foundPath, newPath);
}
} else {
console.log(`[BACKFILL] [WARNING] Item physical file not found/is symlink for: ${item.dest}`);
}
if (!isDryRun) {
await db`UPDATE items SET dest = ${newDest} WHERE id = ${item.id}`;
}
itemsRenamedCount++;
if (itemsRenamedCount % BATCH_SIZE === 0) {
console.log(`[BACKFILL] Processed ${itemsRenamedCount} item renames...`);
}
}
// 2. Process comment_files
console.log('[BACKFILL] Fetching comment files to process...');
const commentFiles = await db`SELECT id, dest FROM comment_files`;
console.log(`[BACKFILL] Found ${commentFiles.length} comment files in DB.`);
let commentsProcessed = 0;
let commentsRenamedCount = 0;
for (const cf of commentFiles) {
if (limit && commentsProcessed >= limit) break;
commentsProcessed++;
const ext = path.extname(cf.dest);
const base = path.basename(cf.dest, ext);
if (base.length === 48) {
continue;
}
const newUuid = crypto.randomBytes(24).toString('hex');
const newDest = `${newUuid}${ext}`;
renameMap.set(cf.dest, newDest);
const oldPath = path.join(cfg.paths.c, cf.dest);
const newPath = path.join(cfg.paths.c, newDest);
try {
const stat = await fs.lstat(oldPath);
if (!stat.isSymbolicLink()) {
console.log(`[BACKFILL] Renaming comment file: ${oldPath} -> ${newPath}`);
if (!isDryRun) {
await fs.rename(oldPath, newPath);
}
}
} catch (e) {}
// Rename corresponding thumbnail in t/ (cf_${old_uuid}.webp -> cf_${new_uuid}.webp)
const oldThumbPath = path.join(cfg.paths.t, `cf_${base}.webp`);
const newThumbPath = path.join(cfg.paths.t, `cf_${newUuid}.webp`);
try {
await fs.access(oldThumbPath);
console.log(`[BACKFILL] Renaming comment thumbnail: ${oldThumbPath} -> ${newThumbPath}`);
if (!isDryRun) {
await fs.rename(oldThumbPath, newThumbPath);
}
} catch (e) {}
if (!isDryRun) {
await db`UPDATE comment_files SET dest = ${newDest} WHERE id = ${cf.id}`;
}
commentsRenamedCount++;
if (commentsRenamedCount % BATCH_SIZE === 0) {
console.log(`[BACKFILL] Processed ${commentsRenamedCount} comment file renames...`);
}
}
// 3. Update Symlinks in c/
console.log('[BACKFILL] Scanning /c/ directory for symlinks to update...');
try {
const filesInC = await fs.readdir(cfg.paths.c);
for (const f of filesInC) {
const filePath = path.join(cfg.paths.c, f);
try {
const stat = await fs.lstat(filePath);
if (stat.isSymbolicLink()) {
const target = await fs.readlink(filePath);
const targetBasename = path.basename(target);
if (renameMap.has(targetBasename)) {
const newTargetBasename = renameMap.get(targetBasename);
// Re-construct the symlink target path, pointing to public/b or public/c
const resolvedTargetAbs = path.resolve(path.dirname(filePath), target);
const resolvedTargetNewAbs = path.join(path.dirname(resolvedTargetAbs), newTargetBasename);
const relativeNewTarget = path.relative(path.dirname(filePath), resolvedTargetNewAbs);
console.log(`[BACKFILL] Updating symlink: ${filePath} -> ${relativeNewTarget}`);
if (!isDryRun) {
await fs.unlink(filePath);
await fs.symlink(relativeNewTarget, filePath);
}
}
}
} catch (e) {
console.error(`[BACKFILL] [ERROR] Failed processing file/symlink ${filePath}:`, e.message);
}
}
} catch (e) {
console.error('[BACKFILL] Error reading /c/ directory:', e.message);
}
console.log(`[BACKFILL] Completed. Items renamed: ${itemsRenamedCount}. Comment files renamed: ${commentsRenamedCount}.`);
process.exit(0);
}
run().catch(err => {
console.error('[BACKFILL] Fatal error:', err);
process.exit(1);
});

View File

@@ -19,7 +19,8 @@ const sendJson = (res, data, code = 200) => {
// Generate UUID using the same method as video uploads
const genuuid = async () => {
return (await db`select gen_random_uuid() as uuid`)[0].uuid.substring(0, 8);
const raw = (await db`select replace(gen_random_uuid()::text, '-', '') || replace(gen_random_uuid()::text, '-', '') as uuid`)[0].uuid;
return raw.substring(0, 48);
};
export const handleAvatarUpload = async (req, res) => {

View File

@@ -277,9 +277,10 @@ export default new class queue {
};
async genuuid() {
return (await db`
select gen_random_uuid() as uuid
`)[0].uuid.substring(0, 8);
const raw = (await db`
select replace(gen_random_uuid()::text, '-', '') || replace(gen_random_uuid()::text, '-', '') as uuid
`)[0].uuid;
return raw.substring(0, 48);
};
async checkrepostlink(link) {

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@@ -104,7 +104,8 @@ export const handleRethumbUpload = async (req, res, itemId) => {
}
// Save to tmp for verification
const uuid = (await db`select gen_random_uuid() as uuid`)[0].uuid.substring(0, 8);
const raw = (await db`select replace(gen_random_uuid()::text, '-', '') || replace(gen_random_uuid()::text, '-', '') as uuid`)[0].uuid;
const uuid = raw.substring(0, 48);
const tmpPath = path.join(cfg.paths.tmp, `rethumb_${uuid}_${itemId}`);
await fs.mkdir(cfg.paths.tmp, { recursive: true });