Checkpoint: mysqldump n'est pas disponible dans le container Node.js. Remplacement par un dump SQL généré directement via mysql2 : SHOW CREATE TABLE + SELECT * pour chaque table, avec échappement correct des valeurs.

server/_core/index.ts

@@ -256,13 +256,48 @@ async function startServer() {
       const fileName = `backup-${database}-${timestamp}.sql`;
       const filePath = path.join(backupDir, fileName);
 
-      // Construire la commande mysqldump
-      const sslFlag = dbUrl.searchParams.get("ssl-mode") === "DISABLED" ? "" : "--ssl-mode=REQUIRED";
-      const cmd = `mysqldump ${sslFlag} -h "${host}" -P ${port} -u "${username}" --password="${password}" "${database}" > "${filePath}"`;
+      // Dump SQL via mysql2 (pas besoin de mysqldump)
+      console.log(`[Backup] Generating SQL dump for database ${database}...`);
+      const mysql = await import("mysql2/promise");
+      const sslRequired = !dbUrl.searchParams.get("ssl-mode")?.includes("DISABLED");
+      const conn = await mysql.createConnection({
+        host, port: parseInt(port), user: username, password: decodeURIComponent(password),
+        database, ssl: sslRequired ? { rejectUnauthorized: false } : undefined,
+      });
 
-      console.log(`[Backup] Generating dump for database ${database}...`);
-      await execAsync(cmd);
-      console.log(`[Backup] Dump saved to ${filePath}`);
+      let sql = `-- Backup généré le ${new Date().toISOString()}\n-- Base : ${database}\nSET FOREIGN_KEY_CHECKS=0;\n\n`;
+
+      // Lister les tables
+      const [tables] = await conn.query<any[]>(`SHOW TABLES`);
+      const tableNames: string[] = tables.map((r: any) => Object.values(r)[0] as string);
+
+      for (const table of tableNames) {
+        // CREATE TABLE
+        const [createRows] = await conn.query<any[]>(`SHOW CREATE TABLE \`${table}\``);
+        const createSql: string = createRows[0]['Create Table'] || createRows[0][`Create Table`];
+        sql += `\n-- Table: ${table}\nDROP TABLE IF EXISTS \`${table}\`;\n${createSql};\n\n`;
+
+        // INSERT DATA
+        const [rows] = await conn.query<any[]>(`SELECT * FROM \`${table}\``);
+        if (rows.length > 0) {
+          const cols = Object.keys(rows[0]).map(c => `\`${c}\``).join(", ");
+          const values = rows.map(row =>
+            "(" + Object.values(row).map(v =>
+              v === null ? "NULL" :
+              v instanceof Date ? `'${v.toISOString().replace('T', ' ').replace('Z', '')}'` :
+              typeof v === "number" ? v :
+              `'${String(v).replace(/\\/g, "\\\\").replace(/'/g, "\\'")}'`
+            ).join(", ") + ")"
+          ).join(",\n");
+          sql += `INSERT INTO \`${table}\` (${cols}) VALUES\n${values};\n\n`;
+        }
+      }
+
+      sql += `\nSET FOREIGN_KEY_CHECKS=1;\n-- Fin du dump\n`;
+      await conn.end();
+
+      fs.writeFileSync(filePath, sql, "utf8");
+      console.log(`[Backup] Dump saved to ${filePath} (${(sql.length / 1024).toFixed(1)} Ko)`);
 
       // Retourner le fichier en téléchargement
       const encodedName = encodeURIComponent(fileName);