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feat: proxy Prowlarr Newznab/Torznab indexer feeds #120

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feat: proxy Prowlarr Newznab/Torznab indexer feeds #120

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7 changes: 6 additions & 1 deletion root/app/www/public/api/index.php
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Original file line number Diff line number Diff line change
Expand Up @@ -255,6 +255,11 @@

$usageDb->adjustAppUsage($proxiedApp['proxiedAppDetails']['id'], $request['code']);

if (is_string($request['response']) && preg_match('#^/\d+/api$#', $originalEndpoint)) { //-- NEWZNAB/TORZNAB FEED, KEEP DOWNLOADS ON THE PROXY
$request['response'] = rewriteIndexerLinks($request['response'], $proxiedApp['starrAppDetails']['url'], $proxiedApp['starrAppDetails']['apikey'], $apikey);
$request['responseHeaders'] = array_filter($request['responseHeaders'], fn($rhKey) => strtolower($rhKey) != 'content-length', ARRAY_FILTER_USE_KEY);
}

if ($request['code'] <= 299 && str_contains($endpoint, 'mediacover')) { //-- OUTPUT THE REQUESTED IMAGE
foreach ($request['responseHeaders'] as $rhKey => $rhVal) {
header($rhKey . ': ' . $rhVal[0]);
Expand All @@ -268,7 +273,7 @@
}

//-- CHECK FOR FIELD REDACTIONS
if ($redactions = $proxiedApp['proxiedAppDetails']['redactions']) {
if (is_array($request['response']) && $redactions = $proxiedApp['proxiedAppDetails']['redactions']) { //-- XML (newznab/torznab) responses have no fields to redact
logger($logfile, ['req' => $requestCounter, 'endpoint' => $originalEndpoint, 'redactions' => $redactions]);
logger($proxiedAppLogfile, ['req' => $requestCounter, 'endpoint' => $originalEndpoint, 'redactions' => $redactions]);

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9 changes: 9 additions & 0 deletions root/app/www/public/functions/api.php
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Expand Up @@ -37,6 +37,15 @@ function forwardedQueryString($queryString, $strip = ['endpoint', 'apikey'])
return implode('&', $kept);
}

function rewriteIndexerLinks($response, $starrUrl, $starrApikey, $proxyApikey)
{
//-- PROWLARR WRITES ITS OWN URL AND APIKEY INTO NEWZNAB/TORZNAB DOWNLOAD LINKS, POINT THEM AT THE PROXY AND THE CALLERS APIKEY
$requestPath = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
$proxyUrl = APP_URL . preg_replace('#/\d+/api$#i', '', $requestPath);

return str_replace([rtrim($starrUrl, '/'), $starrApikey], [rtrim($proxyUrl, '/'), $proxyApikey], $response);
}

function apiResponse($code, $response, $responseHeaders = [])
{
session_unset();
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10 changes: 10 additions & 0 deletions root/etc/nginx/template.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,16 @@ http {
fastcgi_index index.php;
}

# Newznab/Torznab indexer routing (Prowlarr /{id}/api and /{id}/download)
location ~ ^(.*)(/\d+/(?:api|download))$ {
alias $root/;
fastcgi_pass 127.0.0.1:9000;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $root/api/index.php;
fastcgi_param QUERY_STRING endpoint=$2&$args;
fastcgi_index index.php;
}

# API routing
location ~ ^(.*)/api/(.*)$ {
alias $root/;
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