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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 | /** * Routes Files — Navigateur et éditeur de fichiers distants. * * Endpoints : * GET /servers/:serverId/files/browse?path=/ — Lister un répertoire * GET /servers/:serverId/files/read?path=/etc/nginx.conf — Lire un fichier * POST /servers/:serverId/files/write — Écrire un fichier * * Sécurité : * - Validation du chemin (pas de path traversal) * - Lecture paginée pour les gros fichiers * - Confirmation requise avant écriture * * @module routes/files */ const express = require('express'); const { requireAuth } = require('../middleware/auth'); const { requireGroupContext, requireGroupPermission, requireGroupServer } = require('../middleware/groupContext'); const { requireFeature } = require('../middleware/planLimits'); const { exec } = require('../services/ssh'); const { shellEscape } = require('../utils/shell'); const { validatePath } = require('../utils/pathValidator'); const { pool: db } = require('../db'); const router = express.Router({ mergeParams: true }); router.use(requireAuth); router.use(requireGroupContext()); const MAX_FILE_SIZE = 2 * 1024 * 1024; // 2 MB max pour la lecture async function ownsServer(userId, serverId, access) { if (access?.serverIds) { return access.serverIds.includes(serverId); } const r = await db.query('SELECT id FROM servers WHERE id = $1 AND user_id = $2', [serverId, userId]); return r.rows.length > 0; } // ─── GET /servers/:serverId/files/browse ──────────────────────────────────── /** * Parse une ligne de `ls -la` en entree de fichier. * @param {string} line * @returns {Object|null} */ function parseLsLine(line) { const parts = line.split(/\s+/); if (parts.length < 8) return null; const perms = parts[0]; const name = parts.slice(7).join(' '); if (name === '.' || name === '..') return null; const isDir = perms.startsWith('d'); const isLink = perms.startsWith('l'); let fileType = 'file'; if (isDir) fileType = 'dir'; else if (isLink) fileType = 'link'; return { name: isLink ? name.split(' -> ')[0] : name, type: fileType, size: Number.parseInt(parts[4]) || 0, date: `${parts[5]} ${parts[6]}`, perms, }; } router.get('/browse', requireGroupServer(), requireGroupPermission('files', 'read'), async (req, res, next) => { try { if (!(await ownsServer(req.user.id, req.params.serverId, req.access))) { return res.status(403).json({ error: 'Accès refusé.' }); } const dirPath = req.query.path || '/'; const check = validatePath(dirPath); if (!check.valid) { return res.status(400).json({ error: check.reason }); } const safePath = shellEscape(dirPath); const { stdout, code } = await exec( req.user.id, req.params.serverId, `ls -la --time-style=long-iso ${safePath} 2>/dev/null | tail -n +2`, 15000, ); if (code !== 0) { return res.status(404).json({ error: 'Répertoire introuvable.' }); } const entries = stdout.trim().split('\n').filter(Boolean) .map(parseLsLine) .filter(Boolean); // Trier : dossiers d'abord, puis par nom entries.sort((a, b) => { if (a.type === 'dir' && b.type !== 'dir') return -1; if (a.type !== 'dir' && b.type === 'dir') return 1; return a.name.localeCompare(b.name); }); res.json({ path: dirPath, entries }); } catch (err) { next(err); } }); // ─── GET /servers/:serverId/files/read ────────────────────────────────────── router.get('/read', requireGroupServer(), requireGroupPermission('files', 'read'), async (req, res, next) => { try { if (!(await ownsServer(req.user.id, req.params.serverId, req.access))) { return res.status(403).json({ error: 'Accès refusé.' }); } const filePath = req.query.path; if (!filePath) { return res.status(400).json({ error: 'path est requis.' }); } const check = validatePath(filePath); if (!check.valid) { return res.status(400).json({ error: check.reason }); } const safePath = shellEscape(filePath); // Vérifier la taille avant de lire const { stdout: sizeOut } = await exec( req.user.id, req.params.serverId, `stat -c '%s' ${safePath} 2>/dev/null || echo -1`, 10000, ); const fileSize = Number.parseInt(sizeOut.trim()); if (fileSize < 0) { return res.status(404).json({ error: 'Fichier introuvable.' }); } if (fileSize > MAX_FILE_SIZE) { return res.status(413).json({ error: `Fichier trop volumineux (${(fileSize / 1024 / 1024).toFixed(1)} MB). Max : 2 MB.`, size: fileSize }); } // Lecture paginée si demandée const offset = Number.parseInt(req.query.offset) || 0; const limit = Number.parseInt(req.query.limit) || 0; let readCmd; if (limit > 0) { readCmd = `tail -n +${offset + 1} ${safePath} | head -n ${limit}`; } else { readCmd = `cat ${safePath}`; } const { stdout, code } = await exec(req.user.id, req.params.serverId, readCmd, 30000); if (code !== 0) { return res.status(502).json({ error: 'Impossible de lire le fichier.' }); } // Détecter le langage depuis l'extension const ext = filePath.split('.').pop().toLowerCase(); const langMap = { js: 'javascript', jsx: 'javascript', ts: 'javascript', tsx: 'javascript', json: 'json', yml: 'yaml', yaml: 'yaml', py: 'python', rb: 'ruby', sh: 'shell', bash: 'shell', html: 'html', htm: 'html', css: 'css', scss: 'css', sql: 'sql', md: 'markdown', xml: 'html', conf: 'shell', cfg: 'shell', ini: 'shell', env: 'shell', dockerfile: 'shell', nginx: 'shell', }; res.json({ path: filePath, content: stdout, size: fileSize, language: langMap[ext] || 'text', }); } catch (err) { next(err); } }); // ─── POST /servers/:serverId/files/write ──────────────────────────────────── router.post('/write', requireGroupServer(), requireGroupPermission('files', 'write'), requireFeature('file_editor_write'), async (req, res, next) => { try { if (!(await ownsServer(req.user.id, req.params.serverId, req.access))) { return res.status(403).json({ error: 'Accès refusé.' }); } const { path: filePath, content } = req.body; if (!filePath || content == null) { return res.status(400).json({ error: 'path et content sont requis.' }); } const check = validatePath(filePath); if (!check.valid) { return res.status(400).json({ error: check.reason }); } const safePath = shellEscape(filePath); // Écrire via base64 pour éviter les problèmes d'échappement const base64Content = Buffer.from(content, 'utf8').toString('base64'); const cmd = `echo ${shellEscape(base64Content)} | base64 -d > ${safePath}`; const { stderr, code } = await exec(req.user.id, req.params.serverId, cmd, 30000); if (code !== 0) { return res.status(502).json({ error: `Erreur d'écriture : ${stderr}` }); } res.json({ ok: true, message: `Fichier ${filePath} sauvegardé.` }); } catch (err) { next(err); } }); module.exports = router; |