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f0743f4 | 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 | import { Constants } from 'librechat-data-provider';
export const mcpToolPattern = new RegExp(`^.+${Constants.mcp_delimiter}.+$`);
/**
* Normalizes a server name to match the pattern ^[a-zA-Z0-9_.-]+$
* This is required for Azure OpenAI models with Tool Calling
*/
export function normalizeServerName(serverName: string): string {
// Check if the server name already matches the pattern
if (/^[a-zA-Z0-9_.-]+$/.test(serverName)) {
return serverName;
}
/** Replace non-matching characters with underscores.
This preserves the general structure while ensuring compatibility.
Trims leading/trailing underscores
*/
const normalized = serverName.replace(/[^a-zA-Z0-9_.-]/g, '_').replace(/^_+|_+$/g, '');
// If the result is empty (e.g., all characters were non-ASCII and got trimmed),
// generate a fallback name to ensure we always have a valid function name
if (!normalized) {
/** Hash of the original name to ensure uniqueness */
let hash = 0;
for (let i = 0; i < serverName.length; i++) {
hash = (hash << 5) - hash + serverName.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return `server_${Math.abs(hash)}`;
}
return normalized;
}
/**
* Sanitizes a URL by removing query parameters to prevent credential leakage in logs.
* @param url - The URL to sanitize (string or URL object)
* @returns The sanitized URL string without query parameters
*/
export function sanitizeUrlForLogging(url: string | URL): string {
try {
const urlObj = typeof url === 'string' ? new URL(url) : url;
return `${urlObj.protocol}//${urlObj.host}${urlObj.pathname}`;
} catch {
return '[invalid URL]';
}
}
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