diff options
Diffstat (limited to 'public/matomo/proxy.php')
| -rw-r--r-- | public/matomo/proxy.php | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/public/matomo/proxy.php b/public/matomo/proxy.php deleted file mode 100644 index 4080583..0000000 --- a/public/matomo/proxy.php +++ /dev/null @@ -1,367 +0,0 @@ -<?php -/** - * Matomo - free/libre analytics platform - * Matomo Proxy Hide URL - * - * @link https://matomo.org/faq/how-to/#faq_132 - * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later - */ - -if (!defined('MATOMO_PROXY_FROM_ENDPOINT')) { - exit; // this file is not supposed to be accessed directly -} - -// if set to true, will print out more information about request errors so said errors can be more easily debugged. -$DEBUG_PROXY = false; - -// set to true if the target matomo server has a ssl certificate that will fail verification, like when testing. -$NO_VERIFY_SSL = false; - -if (file_exists(__DIR__ . '/config.php')) { - include __DIR__ . '/config.php'; -} - -// ----- -// Important: read the instructions in README.md or at: -// https://github.com/matomo-org/tracker-proxy#matomo-tracker-proxy -// ----- -if (! isset($MATOMO_URL) && isset($PIWIK_URL)) { - // FOR BC - $MATOMO_URL = $PIWIK_URL; -} - -// Edit the line below, and replace http://your-matomo-domain.example.org/matomo/ -// with your Matomo URL ending with a slash. -// This URL will never be revealed to visitors or search engines. -if (! isset($MATOMO_URL)) { - $MATOMO_URL = 'http://your-matomo-domain.example.org/matomo/'; -} - -// Edit the line below, and replace xyz by the token_auth for the user "UserTrackingAPI" -// which you created when you followed instructions above. -if (! isset($TOKEN_AUTH)) { - $TOKEN_AUTH = 'xyz'; -} - -// Maximum time, in seconds, to wait for the Matomo server to return the 1*1 GIF -if (! isset($timeout)) { - $timeout = 5; -} - -// The HTTP User-Agent to set in the request sent to Matomo Tracking API -if (empty($user_agent)) { - $user_agent = arrayValue($_SERVER, 'HTTP_USER_AGENT', ''); -} - -// ----------------------------- -// DO NOT MODIFY BELOW THIS LINE -// ----------------------------- - -// the HTTP response headers captured via fopen or curl -$httpResponseHeaders = array(); - -// 1) MATOMO.JS PROXY: No _GET parameter, we serve the JS file; or we serve a requested js file -if ((empty($_GET) && empty($_POST)) || (isset($filerequest) && substr($filerequest, -3) === '.js')) { - $modifiedSince = false; - if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) { - $modifiedSince = $_SERVER['HTTP_IF_MODIFIED_SINCE']; - // strip any trailing data appended to header - if (false !== ($semicolon = strpos($modifiedSince, ';'))) { - $modifiedSince = substr($modifiedSince, 0, $semicolon); - } - $modifiedSince = strtotime($modifiedSince); - } - // Re-download the matomo.js once a day maximum - $lastModified = time() - 86400; - - // set HTTP response headers - sendHeader('Vary: Accept-Encoding'); - - // Returns 304 if not modified since - if (!empty($modifiedSince) && $modifiedSince > $lastModified) { - sendHeader(sprintf("%s 304 Not Modified", $_SERVER['SERVER_PROTOCOL'])); - } else { - sendHeader('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); - sendHeader('Content-Type: application/javascript; charset=UTF-8'); - - // Silent fail: hide Warning in 'matomo.js' response - if (empty($_GET) && empty($_POST)) { - if ($path !== 'matomo.php') { - $jsPath = 'piwik.js'; // for BC eg in case user uses an older version of Matomo - } else { - $jsPath = 'matomo.js'; - } - list($content, $httpStatus) = getHttpContentAndStatus($MATOMO_URL . $jsPath, $timeout, $user_agent); - } else { - list($content, $httpStatus) = getHttpContentAndStatus($MATOMO_URL . $filerequest, $timeout, $user_agent); - } - if ($matomoJs = $content) { - echo $matomoJs; - } else { - echo '/* there was an error loading matomo.js */'; - } - } - exit; -} -@ini_set('magic_quotes_runtime', 0); - -// 2) MATOMO.PHP PROXY: GET parameters found, this is a tracking request, we redirect it to Piwik -if (strpos($path, '?') === false) { - $path = $path . '?'; -} - -$extraQueryParams = array(); -if (strpos($path, 'piwik.php') === 0 || strpos($path, 'matomo.php') === 0) { - $extraQueryParams = array( - 'cip' => getVisitIp(), - 'token_auth' => $TOKEN_AUTH, - ); -} - -$url = $MATOMO_URL . $path; -$url .= http_build_query(array_merge($extraQueryParams, $_GET)); - -if (version_compare(PHP_VERSION, '5.3.0', '<')) { - - // PHP 5.2 breaks with the new 204 status code so we force returning the image every time - list($content, $httpStatus) = getHttpContentAndStatus($url . '&send_image=1', $timeout, $user_agent); - $content = sanitizeContent($content); - - forwardHeaders($content); - - echo $content; -} else { - // PHP 5.3 and above - list($content, $httpStatus) = getHttpContentAndStatus($url, $timeout, $user_agent); - $content = sanitizeContent($content); - - forwardHeaders($content); - - // Forward the HTTP response code - if (!headers_sent() && !empty($httpStatus)) { - header($httpStatus); - } - - echo $content; -} - -function sanitizeContent($content) -{ - global $TOKEN_AUTH; - global $MATOMO_URL; - global $PROXY_URL; - global $VALID_FILES; - - $matomoHost = parse_url($MATOMO_URL, PHP_URL_HOST); - $proxyHost = parse_url($PROXY_URL, PHP_URL_HOST); - - $content = str_replace($TOKEN_AUTH, '<token>', $content); - $content = str_replace($MATOMO_URL, $PROXY_URL, $content); - $content = str_replace($matomoHost, $proxyHost, $content); - - if (isset($VALID_FILES)) { - foreach ($VALID_FILES as $filepath) { - // replace file paths to match the proxy and discard cb - $content = preg_replace('^' . $filepath . '(\?cb\=[a-z0-9]*)?^', $PROXY_URL . 'matomo-proxy.php?file=' . $filepath, $content); - } - } - - return $content; -} - -function forwardHeaders($content) -{ - global $httpResponseHeaders; - - $headersToForward = array( - 'content-type', - 'access-control-allow-origin', - 'access-control-allow-methods', - 'set-cookie', - ); - - foreach ($httpResponseHeaders as $header) { - $parts = explode(':', $header); - if (empty($parts[0])) { - continue; - } - - $name = trim(strtolower($parts[0])); - if (in_array($name, $headersToForward)) { - sendHeader($header); - } - } - - sendHeader('content-length: ' . strlen($content)); -} - -function getVisitIp() -{ - $ipKeys = array( - 'HTTP_X_FORWARDED_FOR', - 'HTTP_CLIENT_IP', - 'HTTP_CF_CONNECTING_IP', - ); - foreach ($ipKeys as $ipKey) { - if (isset($_SERVER[$ipKey]) - && filter_var($_SERVER[$ipKey], FILTER_VALIDATE_IP) !== false - ) { - return $_SERVER[$ipKey]; - } - } - return arrayValue($_SERVER, 'REMOTE_ADDR'); -} - -function transformHeaderLine($headerLine) -{ - // if we're not on an https protocol, make sure cookies do not have 'secure;' - if (empty($_SERVER['HTTPS']) && preg_match('/^set-cookie:/i', $headerLine)) { - $headerLine = str_replace('secure;', '', $headerLine); - } - return $headerLine; -} - -// captures a header line when using a curl request. would be better to use an anonymous function, but that would break -// PHP 5.2 support. -function handleHeaderLine($curl, $headerLine) -{ - global $httpResponseHeaders; - - $originalByteCount = strlen($headerLine); - - $headerLine = transformHeaderLine($headerLine); - $httpResponseHeaders[] = trim($headerLine); - - return $originalByteCount; -} - -function getHttpContentAndStatus($url, $timeout, $user_agent) -{ - global $httpResponseHeaders; - global $DEBUG_PROXY; - global $NO_VERIFY_SSL; - global $http_ip_forward_header; - - $useFopen = @ini_get('allow_url_fopen') == '1'; - - $header = array(); - $header[] = sprintf("Accept-Language: %s", str_replace(array("\n", "\t", "\r"), "", arrayValue($_SERVER, 'HTTP_ACCEPT_LANGUAGE', ''))); - - // NOTE: any changes made to Piwik\Plugins\PrivacyManager\DoNotTrackHeaderChecker must be made here as well - if ((isset($_SERVER['HTTP_X_DO_NOT_TRACK']) && $_SERVER['HTTP_X_DO_NOT_TRACK'] === '1')) { - $header[] = "X-Do-Not-Track: 1"; - } - - if ((isset($_SERVER['HTTP_DNT']) && substr($_SERVER['HTTP_DNT'], 0, 1) === '1')) { - $header[] = "DNT: 1"; - } - - if (isset($_SERVER['HTTP_COOKIE'])) { - $header[] = "Cookie: " . $_SERVER['HTTP_COOKIE']; - } - - $stream_options = array( - 'http' => array( - 'user_agent' => $user_agent, - 'header' => $header, - 'timeout' => $timeout, - ), - ); - - if ($DEBUG_PROXY) { - $stream_options['http']['ignore_errors'] = true; - } - - if ($NO_VERIFY_SSL) { - $stream_options['ssl'] = array( - 'verify_peer' => false, - 'verify_peer_name' => false, - ); - } - - // if there's POST data, send our proxy request as a POST - if (!empty($_POST)) { - $postBody = file_get_contents("php://input"); - - $stream_options['http']['method'] = 'POST'; - $stream_options['http']['header'][] = "Content-type: application/x-www-form-urlencoded"; - $stream_options['http']['header'][] = "Content-Length: " . strlen($postBody); - $stream_options['http']['content'] = $postBody; - - if (!empty($http_ip_forward_header)) { - $visitIp = getVisitIp(); - $stream_options['http']['header'][] = "$http_ip_forward_header: $visitIp"; - } - } - - if ($useFopen) { - $ctx = stream_context_create($stream_options); - - if ($DEBUG_PROXY) { - $content = file_get_contents($url, 0, $ctx); - } else { - $content = @file_get_contents($url, 0, $ctx); - } - - $httpStatus = ''; - if (isset($http_response_header[0])) { - $httpStatus = $http_response_header[0]; - $httpResponseHeaders = array_slice($http_response_header, 1); - $httpResponseHeaders = array_map('transformHeaderLine', $httpResponseHeaders); - } - } else { - if (!function_exists('curl_init')) { - throw new Exception("You must either set allow_url_fopen=1 in your PHP configuration, or enable the PHP Curl extension."); - } - - $ch = curl_init(); - curl_setopt($ch, CURLOPT_HEADER, 0); - curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); - curl_setopt($ch, CURLOPT_USERAGENT, $stream_options['http']['user_agent']); - curl_setopt($ch, CURLOPT_HTTPHEADER, $stream_options['http']['header']); - curl_setopt($ch, CURLOPT_TIMEOUT, $stream_options['http']['timeout']); - curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $stream_options['http']['timeout']); - curl_setopt($ch, CURLOPT_URL, $url); - curl_setopt($ch, CURLOPT_HEADERFUNCTION, 'handleHeaderLine'); - - if (!empty($stream_options['http']['method']) - && $stream_options['http']['method'] == 'POST' - ) { - curl_setopt($ch, CURLOPT_POST, 1); - curl_setopt($ch, CURLOPT_POSTFIELDS, $stream_options['http']['content']); - } - - if (isset($stream_options['ssl']['verify_peer']) && $stream_options['ssl']['verify_peer'] == false) { - curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); - } - - if (isset($stream_options['ssl']['verify_peer_name']) && $stream_options['ssl']['verify_peer'] == false) { - curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); - } - - $content = curl_exec($ch); - $httpStatus = curl_getinfo($ch, CURLINFO_HTTP_CODE); - if (!empty($httpStatus)) { - $httpStatus = 'HTTP/1.1 ' . $httpStatus; - } - curl_close($ch); - } - - return array( - $content, - $httpStatus, - ); -} - -function sendHeader($header, $replace = true) -{ - headers_sent() || header($header, $replace); -} - -function arrayValue($array, $key, $value = null) -{ - if (!empty($array[$key])) { - $value = $array[$key]; - } - return $value; -} |