functions.php

<?php

function logRequest($message = null, $errorFile = null, $errorLine = null)
{
    global $config;
    if (!isset($config['logDir']) || !is_dir($config['logDir']) || !is_writable($config['logDir'])) {
        return;
    }
    $logFile = $config['logDir'] . '/' . date('Ymd-His') . '.log';
    $fh = fopen($logFile, 'w');
    if (!empty($errorLine) && !empty($errorFile)) {
        fwrite($fh, sprintf("Error in file %s line %d\n", $errorFile, $errorLine));
    }
    if (!empty($message)) {
        fwrite($fh, sprintf("ErrorMessage: %s\n", $message));
    }
    fwrite($fh, sprintf("Headers: %s\nPayload: %s\n", print_r(apache_request_headers(), true), $_POST['payload']));
    fclose($fh);
}

/**
 * @param string $branch
 * @param string $commit
 * @param string|null $tag
 */
function createArchive($branch, $commit, $tag = null)
{
    global $config;

    if (preg_match('~^v?\d+(?:\.\d+){0,2}$~',$tag) === 1) {
        $archiveName = $tag;
    } else {
        $archiveName = array_search($branch, $config['allowedBranches']);
        if (!is_string($archiveName)) {
            $archiveName = $branch;
        }
    }

    $archive = $commit . '_tmp.zip';

    $composer = $config['phpBin'] . ' ' . $config['composer'];
    if (!empty($config['composerHome'])) {
        $composer = 'COMPOSER_HOME=' . escapeshellarg($config['composerHome']) . ' ' . $composer;
    }

    $commands = array(
        'unzip ' . $archive,
        'rm ' . $archive,
        'cd Ilch-2.0-' . $commit,
        $composer . ' install --no-dev --optimize-autoloader --no-interaction',
        'if [ -f build/optimize_vendor.php ]; then ' . $config['phpBin'] . ' build/optimize_vendor.php; fi',
        'zip -r ../' . $archiveName . '_NEW_.zip .',
        'mv ../' . $archiveName . '_NEW_.zip ../' . $archiveName . '.zip',
        'cd ..',
        'rm -r Ilch-2.0-' . $commit
    );

    if (!file_exists($archive)) {
        if (isset($config['useCurlExecutable']) && $config['useCurlExecutable']) {
            array_unshift(
                $commands,
                sprintf('curl -sL https://codeload.github.com/IlchCMS/Ilch-2.0/zip/%s --output %s', $commit, $archive)
            );
        } else {
            $fp = fopen($archive, 'w+');
            $ch = curl_init('https://codeload.github.com/IlchCMS/Ilch-2.0/zip/' . $commit);
            curl_setopt($ch, CURLOPT_TIMEOUT, 50);
            curl_setopt($ch, CURLOPT_FILE, $fp);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
            curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
            curl_setopt($ch, CURLOPT_ENCODING, '');
            if (!curl_exec($ch)) {
                logRequest('CURL download error: ' . curl_error($ch), __FILE__, __LINE__);
            }
            curl_close($ch);
            fclose($fp);
        }
    }

    $cmdLine = implode(' && ', $commands);

    if (isset($config['cmd'])) {
        $cmdLine = sprintf($config['cmd'], $cmdLine);
    }
    exec($cmdLine,$cmdOut,$cmdReturn);
    if ($cmdReturn !== 0) {
        logRequest('Error while creating archive: ' . implode("\n",$cmdOut),__FILE__, __LINE__);
    }
}

if (!function_exists('apache_request_headers')) {
    function apache_request_headers()
    {
        $headers = array();
        foreach ($_SERVER as $key => $value) {
            if (substr($key, 0, 5) == 'HTTP_') {
                $headers[str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))))] = $value;
            }
        }
        return $headers;
    }
}