// Re-download the piwik.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", $_SERVER['SERVER_PROTOCOL']));
} else {
sendHeader('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
sendHeader('Content-Type: application/javascript; charset=UTF-8');
if ($piwikJs = PKHelper::get_http($PIWIK_URL . 'piwik.js', array(sprintf("Accept-Language: %s\r\n", @str_replace(array("\n", "\t", "\r"), "", arrayValue($_SERVER, 'HTTP_ACCEPT_LANGUAGE', '')))))) {
echo $piwikJs;
} else {
if (!empty(PKHelper::$errors)) {
foreach (PKHelper::$errors as $value) {
PKHelper::ErrorLogger($value);
}
}
sendHeader($_SERVER['SERVER_PROTOCOL'] . '505 Internal server error');
}
}
exit;
}
@ini_set('magic_quotes_runtime', 0);
// 2) PIWIK.PHP PROXY: GET parameters found, this is a tracking request, we redirect it to Piwik
$url = sprintf("%spiwik.php?cip=%s&token_auth=%s&", $PIWIK_URL, getVisitIp(), $TOKEN_AUTH);
foreach ($_GET as $key => $value) {
$url .= urlencode($key) . '=' . urlencode($value) . '&';
}
sendHeader("Content-Type: image/gif");
$content = PKHelper::get_http($url . (version_compare(PHP_VERSION, '5.3.0', '<') ? '&send_image=1' : ''), array(sprintf("Accept-Language: %s\r\n", @str_replace(array("\n", "\t", "\r"), "", arrayValue($_SERVER, 'HTTP_ACCEPT_LANGUAGE', '')))));
public function __construct()
{
PKHelper::DebugLogger('START: PiwikAnalyticsJSPiwikModuleFrontController::__construct();');
// Edit the line below, and replace http://your-piwik-domain.example.org/piwik/
// with your Piwik URL ending with a slash.
// This URL will never be revealed to visitors or search engines.
$PIWIK_URL = ((bool) Configuration::get('PIWIK_CRHTTPS') ? 'https://' : 'http://') . Configuration::get('PIWIK_HOST');
// Edit the line below, and replace xyz by the token_auth for the user "UserTrackingAPI"
// which you created when you followed instructions above.
$TOKEN_AUTH = Configuration::get('PIWIK_TOKEN_AUTH');
PKHelper::DebugLogger('Config values Loaded');
// 1) PIWIK.JS PROXY: No _GET parameter, we serve the JS file
if (count($_GET) == 3 && Tools::getIsset('module') && Tools::getIsset('controller') && Tools::getIsset('fc') || count($_GET) == 4 && Tools::getIsset('module') && Tools::getIsset('controller') && Tools::getIsset('fc') && Tools::getIsset('id_lang') || count($_GET) == 5 && Tools::getIsset('module') && Tools::getIsset('controller') && Tools::getIsset('fc') && Tools::getIsset('id_lang') && Tools::getIsset('isolang')) {
PKHelper::DebugLogger('Got piwik.js request with _GET count of : ' . count($_GET) . "\n" . str_repeat('==', 50) . "\n" . print_r($_GET, true) . "\n" . str_repeat('==', 50));
$modifiedSince = false;
if (isset($_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 piwik.js once a day maximum
$lastModified = time() - 86400;
// set HTTP response headers
$this->sendHeader('Vary: Accept-Encoding');
// Returns 304 if not modified since
if (!empty($modifiedSince) && $modifiedSince < $lastModified) {
PKHelper::DebugLogger('Set Header 304 Not Modified');
$this->sendHeader(sprintf("%s 304 Not Modified", $_SERVER['SERVER_PROTOCOL']));
} else {
$this->sendHeader('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
$this->sendHeader('Content-Type: application/javascript; charset=UTF-8');
PKHelper::DebugLogger('Send request to Piwik');
PKHelper::DebugLogger("\t: {$PIWIK_URL}piwik.js");
$exHeaders = array(sprintf("Accept-Language: %s\r\n", @str_replace(array("\n", "\t", "\r"), "", $this->arrayValue($_SERVER, 'HTTP_ACCEPT_LANGUAGE', ''))));
PKHelper::DebugLogger("\t: Extra heders\n" . str_repeat('==', 50) . "\n" . print_r($exHeaders, true) . "\n" . str_repeat('==', 50));
if ($piwikJs = PKHelper::get_http($PIWIK_URL . 'piwik.js', $exHeaders)) {
PKHelper::DebugLogger('Send Piwik js to client');
die($piwikJs);
} else {
if (!empty(PKHelper::$errors)) {
foreach (PKHelper::$errors as $value) {
PKHelper::ErrorLogger($value);
}
}
PKHelper::DebugLogger('Error:....' . "\n" . str_repeat('==', 50) . print_r(PKHelper::$error, true) . "\n" . str_repeat('==', 50) . "\n" . print_r(PKHelper::$errors, true) . "\n" . str_repeat('==', 50));
$this->sendHeader($_SERVER['SERVER_PROTOCOL'] . '505 Internal server error');
}
}
PKHelper::DebugLogger('END: PiwikAnalyticsJSPiwikModuleFrontController::__construct();');
die;
}
PKHelper::DebugLogger('Got piwik image request with _GET count of :' . count($_GET) . "\n" . str_repeat('==', 50) . "\n" . print_r($_GET, true) . "\n" . str_repeat('==', 50));
// 2) PIWIK.PHP PROXY: GET parameters found, this is a tracking request, we redirect it to Piwik
$url = sprintf("%spiwik.php?cip=%s&token_auth=%s&", $PIWIK_URL, $this->getVisitIp(), $TOKEN_AUTH);
foreach ($_GET as $key => $value) {
$url .= urlencode($key) . '=' . urlencode($value) . '&';
}
PKHelper::DebugLogger('Send request to Piwik ::: ' . $url . (version_compare(PHP_VERSION, '5.3.0', '<') ? '&send_image=1' : ''));
$this->sendHeader("Content-Type: image/gif");
$content = PKHelper::get_http($url . (version_compare(PHP_VERSION, '5.3.0', '<') ? '&send_image=1' : ''), array(sprintf("Accept-Language: %s\r\n", @str_replace(array("\n", "\t", "\r"), "", $this->arrayValue($_SERVER, 'HTTP_ACCEPT_LANGUAGE', '')))));
PKHelper::DebugLogger('Piwik request complete');
// Forward the HTTP response code
// not for cURL, working on it. (@todo cURL response_header [piwik.php])
if (!headers_sent() && isset($http_response_header[0])) {
header($http_response_header[0]);
}
PKHelper::DebugLogger('END: PiwikAnalyticsJSPiwikModuleFrontController::__construct();');
die($content);
}