@push.rocks/smartproxy
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A powerful proxy package with unified route-based configuration for high traffic management. Features include SSL/TLS support, flexible routing patterns, WebSocket handling, advanced security options, and automatic ACME certificate management.
67 lines • 5.13 kB
JavaScript
/**
* Route matching utilities for SmartProxy components
*
* This file provides utility functions that use the unified matchers
* and additional route-specific utilities.
*/
import { DomainMatcher, PathMatcher, IpMatcher, HeaderMatcher } from './matchers/index.js';
import { RouteSpecificity } from './specificity.js';
/**
* Match domains from a route against a given domain
*
* @param domains Array or single domain pattern to match against
* @param domain Domain to match
* @returns Whether the domain matches any of the patterns
*/
export function matchRouteDomain(domains, domain) {
// If no domains specified in the route, match all domains
if (!domains) {
return true;
}
// If no domain in the request, can't match domain-specific routes
if (!domain) {
return false;
}
const patterns = Array.isArray(domains) ? domains : [domains];
return patterns.some(pattern => DomainMatcher.match(pattern, domain));
}
/**
* Calculate route specificity score
* Higher score means more specific matching criteria
*
* @param match Match criteria to evaluate
* @returns Numeric specificity score
*/
export function calculateRouteSpecificity(match) {
let score = 0;
// Path specificity using PathMatcher
if (match.path) {
score += PathMatcher.calculateSpecificity(match.path);
}
// Domain specificity using DomainMatcher
if (match.domains) {
const domains = Array.isArray(match.domains) ? match.domains : [match.domains];
// Use the highest specificity among all domains
const domainScore = Math.max(...domains.map(d => DomainMatcher.calculateSpecificity(d)));
score += domainScore;
}
// Headers specificity using HeaderMatcher
if (match.headers) {
const stringHeaders = {};
for (const [key, value] of Object.entries(match.headers)) {
stringHeaders[key] = value instanceof RegExp ? value.source : value;
}
score += HeaderMatcher.calculateSpecificity(stringHeaders);
}
// Client IP adds some specificity
if (match.clientIp && match.clientIp.length > 0) {
// Use the first IP pattern for specificity
score += IpMatcher.calculateSpecificity(match.clientIp[0]);
}
// TLS version adds minimal specificity
if (match.tlsVersion && match.tlsVersion.length > 0) {
score += match.tlsVersion.length * 10;
}
return score;
}
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