Tafa MCP Server

import fs from "fs-extra"; import path from "path"; import { createHash } from "crypto"; export class FileOperations { constructor(securityManager) { this.security = securityManager; } async readFile(filePath) { try { const validPath = this.security.validatePath(filePath); await this.security.checkPermissions(validPath, 'read'); await this.security.validateFileSize(validPath); const content = await fs.readFile(validPath, 'utf8'); const stats = await fs.stat(validPath); return { content: [{ type: "text", text: `📄 File: ${path.basename(validPath)} (${stats.size} bytes)\n\n${content}` }] }; } catch (error) { return { content: [{ type: "text", text: `❌ Error reading file: ${error.message}` }] }; } } async writeFile(filePath, content, backup = true) { try { const validPath = this.security.validatePath(filePath); await this.security.checkPermissions(validPath, 'write'); let backupPath = null; if (backup) { backupPath = await this.security.createBackup(validPath); } await fs.ensureDir(path.dirname(validPath)); await fs.writeFile(validPath, content, 'utf8'); const stats = await fs.stat(validPath); const message = `✅ File written successfully: ${path.basename(validPath)} (${stats.size} bytes)`; return { content: [{ type: "text", text: backupPath ? `${message}\n💾 Backup created: ${backupPath}` : message }] }; } catch (error) { return { content: [{ type: "text", text: `❌ Error writing file: ${error.message}` }] }; } } async appendFile(filePath, content) { try { const validPath = this.security.validatePath(filePath); await this.security.checkPermissions(validPath, 'write'); await fs.ensureDir(path.dirname(validPath)); await fs.appendFile(validPath, content, 'utf8'); const stats = await fs.stat(validPath); return { content: [{ type: "text", text: `✅ Content appended successfully to: ${path.basename(validPath)} (${stats.size} bytes total)` }] }; } catch (error) { return { content: [{ type: "text", text: `❌ Error appending to file: ${error.message}` }] }; } } async copyFile(source, destination) { try { const validSource = this.security.validatePath(source); const validDest = this.security.validatePath(destination); await this.security.checkPermissions(validSource, 'read'); await this.security.checkPermissions(validDest, 'write'); await this.security.validateFileSize(validSource); await fs.ensureDir(path.dirname(validDest)); await fs.copy(validSource, validDest); const stats = await fs.stat(validDest); return { content: [{ type: "text", text: `✅ File copied successfully: ${path.basename(validSource)} → ${path.basename(validDest)} (${stats.size} bytes)` }] }; } catch (error) { return { content: [{ type: "text", text: `❌ Error copying file: ${error.message}` }] }; } } async moveFile(source, destination) { try { const validSource = this.security.validatePath(source); const validDest = this.security.validatePath(destination); await this.security.checkPermissions(validSource, 'read'); await this.security.checkPermissions(validSource, 'delete'); await this.security.checkPermissions(validDest, 'write'); await fs.ensureDir(path.dirname(validDest)); await fs.move(validSource, validDest); const stats = await fs.stat(validDest); return { content: [{ type: "text", text: `✅ File moved successfully: ${path.basename(validSource)} → ${path.basename(validDest)} (${stats.size} bytes)` }] }; } catch (error) { return { content: [{ type: "text", text: `❌ Error moving file: ${error.message}` }] }; } } async deleteFile(filePath, backup = true) { try { const validPath = this.security.validatePath(filePath); await this.security.checkPermissions(validPath, 'delete'); let backupPath = null; if (backup) { backupPath = await this.security.createBackup(validPath); } await fs.remove(validPath); const message = `✅ File deleted successfully: ${path.basename(validPath)}`; return { content: [{ type: "text", text: backupPath ? `${message}\n💾 Backup created: ${backupPath}` : message }] }; } catch (error) { return { content: [{ type: "text", text: `❌ Error deleting file: ${error.message}` }] }; } } async getFileInfo(filePath) { try { const validPath = this.security.validatePath(filePath); await this.security.checkPermissions(validPath, 'read'); const stats = await fs.stat(validPath); const hash = createHash('md5'); const content = await fs.readFile(validPath); hash.update(content); const fileInfo = { path: validPath, name: path.basename(validPath), size: stats.size, sizeHuman: this.formatFileSize(stats.size), created: stats.birthtime, modified: stats.mtime, accessed: stats.atime, isFile: stats.isFile(), isDirectory: stats.isDirectory(), permissions: stats.mode, hash: hash.digest('hex') }; return { content: [{ type: "text", text: `📊 File Information:\n${JSON.stringify(fileInfo, null, 2)}` }] }; } catch (error) { return { content: [{ type: "text", text: `❌ Error getting file info: ${error.message}` }] }; } } formatFileSize(bytes) { const sizes = ['Bytes', 'KB', 'MB', 'GB']; if (bytes === 0) return '0 Bytes'; const i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024))); return Math.round(bytes / Math.pow(1024, i) * 100) / 100 + ' ' + sizes[i]; } }