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47 lines
1.6 KiB
TypeScript
47 lines
1.6 KiB
TypeScript
import { Constants } from 'librechat-data-provider';
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export const mcpToolPattern = new RegExp(`^.+${Constants.mcp_delimiter}.+$`);
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/**
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* Normalizes a server name to match the pattern ^[a-zA-Z0-9_.-]+$
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* This is required for Azure OpenAI models with Tool Calling
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*/
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export function normalizeServerName(serverName: string): string {
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// Check if the server name already matches the pattern
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if (/^[a-zA-Z0-9_.-]+$/.test(serverName)) {
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return serverName;
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}
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/** Replace non-matching characters with underscores.
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This preserves the general structure while ensuring compatibility.
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Trims leading/trailing underscores
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*/
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const normalized = serverName.replace(/[^a-zA-Z0-9_.-]/g, '_').replace(/^_+|_+$/g, '');
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// If the result is empty (e.g., all characters were non-ASCII and got trimmed),
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// generate a fallback name to ensure we always have a valid function name
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if (!normalized) {
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/** Hash of the original name to ensure uniqueness */
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let hash = 0;
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for (let i = 0; i < serverName.length; i++) {
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hash = (hash << 5) - hash + serverName.charCodeAt(i);
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hash |= 0; // Convert to 32bit integer
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}
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return `server_${Math.abs(hash)}`;
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}
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return normalized;
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}
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/**
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* Sanitizes a URL by removing query parameters to prevent credential leakage in logs.
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* @param url - The URL to sanitize (string or URL object)
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* @returns The sanitized URL string without query parameters
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*/
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export function sanitizeUrlForLogging(url: string | URL): string {
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try {
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const urlObj = typeof url === 'string' ? new URL(url) : url;
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return `${urlObj.protocol}//${urlObj.host}${urlObj.pathname}`;
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} catch {
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return '[invalid URL]';
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}
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}
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