MCP AI Bridge

import { ValidationError } from './errors.js'; import { DEFAULTS, ERROR_MESSAGES, MODELS } from './constants.js'; import { securityCheck } from './security-optimized.js'; export function validatePrompt(prompt) { if (!prompt || typeof prompt !== 'string') { throw new ValidationError(ERROR_MESSAGES.INVALID_PROMPT); } const trimmedPrompt = prompt.trim(); if (trimmedPrompt.length === 0) { throw new ValidationError(ERROR_MESSAGES.INVALID_PROMPT); } if (trimmedPrompt.length > DEFAULTS.PROMPT.MAX_LENGTH) { throw new ValidationError(ERROR_MESSAGES.PROMPT_TOO_LONG); } // Apply security checks (sanitization, content filtering, injection detection) const securePrompt = securityCheck(trimmedPrompt); return securePrompt; } export function validateTemperature(temperature, service = 'OPENAI') { if (temperature === undefined || temperature === null) { return DEFAULTS[service].TEMPERATURE; } // Check if input is a valid number type (not array, object, etc.) if (typeof temperature !== 'number' && typeof temperature !== 'string') { throw new ValidationError(`${ERROR_MESSAGES.INVALID_TEMPERATURE}: must be a number`); } const temp = Number(temperature); if (isNaN(temp)) { throw new ValidationError(`${ERROR_MESSAGES.INVALID_TEMPERATURE}: must be a number`); } const min = DEFAULTS[service].MIN_TEMPERATURE; const max = DEFAULTS[service].MAX_TEMPERATURE; if (temp < min || temp > max) { throw new ValidationError(`${ERROR_MESSAGES.INVALID_TEMPERATURE}: must be between ${min} and ${max}`); } return temp; } export function validateModel(model, service = 'OPENAI') { const models = MODELS[service]; if (!model) { return DEFAULTS[service].MODEL; } if (!models.includes(model)) { throw new ValidationError(`Invalid model: must be one of ${models.join(', ')}`); } return model; } export function validateAPIKey(key, service) { if (!key) { return false; } if (service === 'OPENAI' && !key.startsWith('sk-')) { throw new ValidationError('Invalid OpenAI API key format'); } return true; }