| /** | |
| * CORS Proxy utility for routing requests through llama-server's CORS proxy. | |
| */ | |
| import { base } from '$app/paths'; | |
| import { CORS_PROXY, CORS_PROXY_ENDPOINT } from '$lib/constants'; | |
| /** | |
| * Build a proxied URL that routes through llama-server's CORS proxy. | |
| * @param targetUrl - The original URL to proxy | |
| * @returns URL pointing to the CORS proxy with target encoded | |
| */ | |
| export function buildProxiedUrl(targetUrl: string): URL { | |
| const proxyPath = `${base}${CORS_PROXY_ENDPOINT}`; | |
| const proxyUrl = new URL(proxyPath, window.location.origin); | |
| proxyUrl.searchParams.set(CORS_PROXY.URL_PARAM, targetUrl); | |
| return proxyUrl; | |
| } | |
| /** | |
| * Wrap original headers for proxying through the CORS proxy. This avoids issues with duplicated llama.cpp-specific and target headers when using the CORS proxy. | |
| * @param headers - The original headers to be proxied to target | |
| * @returns List of "wrapped" headers to be sent to the CORS proxy | |
| */ | |
| export function buildProxiedHeaders(headers: Record<string, string>): Record<string, string> { | |
| const proxiedHeaders: Record<string, string> = {}; | |
| for (const [key, value] of Object.entries(headers)) { | |
| proxiedHeaders[`${CORS_PROXY.HEADER_PREFIX}${key}`] = value; | |
| } | |
| return proxiedHeaders; | |
| } | |