mirror of
https://github.com/ItzCrazyKns/Perplexica.git
synced 2025-09-15 22:01:33 +00:00
70 lines
2.5 KiB
TypeScript
70 lines
2.5 KiB
TypeScript
import { NextResponse } from 'next/server';
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import { getBaseUrl } from '@/lib/config';
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/**
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* Creates an OpenSearch XML response with the given origin URL
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*/
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function generateOpenSearchResponse(origin: string): NextResponse {
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const opensearchXml = `<?xml version="1.0" encoding="utf-8"?>
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<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:moz="http://www.mozilla.org/2006/browser/search/">
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<ShortName>Perplexica</ShortName>
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<LongName>Search with Perplexica AI</LongName>
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<Description>Perplexica is a powerful AI-driven search engine that understands your queries and delivers relevant results.</Description>
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<InputEncoding>UTF-8</InputEncoding>
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<Image width="16" height="16" type="image/x-icon">${origin}/favicon.ico</Image>
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<Url type="text/html" template="${origin}/?q={searchTerms}"/>
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<Url type="application/opensearchdescription+xml" rel="self" template="${origin}/api/opensearch"/>
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</OpenSearchDescription>`;
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return new NextResponse(opensearchXml, {
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headers: {
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'Content-Type': 'application/opensearchdescription+xml',
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},
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});
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}
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export async function GET(request: Request) {
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// Check if a BASE_URL is explicitly configured
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const configBaseUrl = getBaseUrl();
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// If BASE_URL is configured, use it, otherwise detect from request
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if (configBaseUrl) {
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// Remove any trailing slashes for consistency
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let origin = configBaseUrl.replace(/\/+$/, '');
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return generateOpenSearchResponse(origin);
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}
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// Detect the correct origin, taking into account reverse proxy headers
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const url = new URL(request.url);
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let origin = url.origin;
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// Extract headers
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const headers = Object.fromEntries(request.headers);
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// Check for X-Forwarded-Host and related headers to handle reverse proxies
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if (headers['x-forwarded-host']) {
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// Determine protocol: prefer X-Forwarded-Proto, fall back to original or https
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const protocol =
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headers['x-forwarded-proto'] || url.protocol.replace(':', '');
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// Build the correct public-facing origin
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origin = `${protocol}://${headers['x-forwarded-host']}`;
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// Handle non-standard ports if specified in X-Forwarded-Port
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if (headers['x-forwarded-port']) {
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const port = headers['x-forwarded-port'];
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// Don't append standard ports (80 for HTTP, 443 for HTTPS)
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if (
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!(
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(protocol === 'http' && port === '80') ||
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(protocol === 'https' && port === '443')
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)
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) {
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origin = `${origin}:${port}`;
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}
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}
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}
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// Generate and return the OpenSearch response
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return generateOpenSearchResponse(origin);
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}
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