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ðŸ“„ Builder.php(18.5 KB)
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ðŸ“„ ChannelFile.php(49.65 KB)
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ðŸ“„ Command.php(12.14 KB)
ðŸ“„ Common.php(25.85 KB)
ðŸ“„ Config.php(67.53 KB)
ðŸ“„ Dependency2.php(49.26 KB)
ðŸ“„ DependencyDB.php(23.75 KB)
ðŸ“ Downloader
ðŸ“„ Downloader.php(64.46 KB)
ðŸ“„ ErrorStack.php(33.01 KB)
ðŸ“„ Exception.php(13.61 KB)
ðŸ“ Frontend
ðŸ“„ Frontend.php(6.49 KB)
ðŸ“ Installer
ðŸ“„ Installer.php(68.45 KB)
ðŸ“ PackageFile
ðŸ“„ PackageFile.php(15.47 KB)
ðŸ“„ Packager.php(7.53 KB)
ðŸ“„ Proxy.php(5.48 KB)
ðŸ“ REST
ðŸ“„ REST.php(16.32 KB)
ðŸ“„ Registry.php(74.18 KB)
ðŸ“„ RunTest.php(35.4 KB)
ðŸ“ Task
ðŸ“„ Validate.php(21.49 KB)
ðŸ“ Validator
ðŸ“„ XMLParser.php(6.75 KB)

Editing: REST.php

<?php
/**
 * PEAR_REST
 *
 * PHP versions 4 and 5
 *
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 1.4.0a1
 */

/**
 * For downloading xml files
 */
require_once 'PEAR.php';
require_once 'PEAR/XMLParser.php';
require_once 'PEAR/Proxy.php';

/**
 * Intelligently retrieve data, following hyperlinks if necessary, and re-directing
 * as well
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @version    Release: 1.10.16
 * @link       http://pear.php.net/package/PEAR
 * @since      Class available since Release 1.4.0a1
 */
class PEAR_REST
{
    var $config;
    var $_options;

function __construct(&$config, $options = array())
    {
        $this->config   = &$config;
        $this->_options = $options;
    }

/**
     * Retrieve REST data, but always retrieve the local cache if it is available.
     *
     * This is useful for elements that should never change, such as information on a particular
     * release
     * @param string full URL to this resource
     * @param array|false contents of the accept-encoding header
     * @param boolean     if true, xml will be returned as a string, otherwise, xml will be
     *                    parsed using PEAR_XMLParser
     * @return string|array
     */
    function retrieveCacheFirst($url, $accept = false, $forcestring = false, $channel = false)
    {
        $cachefile = $this->config->get('cache_dir') . DIRECTORY_SEPARATOR .
            md5($url) . 'rest.cachefile';

if (file_exists($cachefile)) {
            return unserialize(implode('', file($cachefile)));
        }

return $this->retrieveData($url, $accept, $forcestring, $channel);
    }

/**
     * Retrieve a remote REST resource
     * @param string full URL to this resource
     * @param array|false contents of the accept-encoding header
     * @param boolean     if true, xml will be returned as a string, otherwise, xml will be
     *                    parsed using PEAR_XMLParser
     * @return string|array
     */
    function retrieveData($url, $accept = false, $forcestring = false, $channel = false)
    {
        $cacheId = $this->getCacheId($url);
        if ($ret = $this->useLocalCache($url, $cacheId)) {
            return $ret;
        }

$file = $trieddownload = false;
        if (!isset($this->_options['offline'])) {
            $trieddownload = true;
            $file = $this->downloadHttp($url, $cacheId ? $cacheId['lastChange'] : false, $accept, $channel);
        }

if (PEAR::isError($file)) {
            if ($file->getCode() !== -9276) {
                return $file;
            }

$trieddownload = false;
            $file = false; // use local copy if available on socket connect error
        }

if (!$file) {
            $ret = $this->getCache($url);
            if (!PEAR::isError($ret) && $trieddownload) {
                // reset the age of the cache if the server says it was unmodified
                $result = $this->saveCache($url, $ret, null, true, $cacheId);
                if (PEAR::isError($result)) {
                    return PEAR::raiseError($result->getMessage());
                }
            }

return $ret;
        }

if (is_array($file)) {
            $headers      = $file[2];
            $lastmodified = $file[1];
            $content      = $file[0];
        } else {
            $headers      = array();
            $lastmodified = false;
            $content      = $file;
        }

if ($forcestring) {
            $result = $this->saveCache($url, $content, $lastmodified, false, $cacheId);
            if (PEAR::isError($result)) {
                return PEAR::raiseError($result->getMessage());
            }

return $content;
        }

if (isset($headers['content-type'])) {
            $content_type = explode(";", $headers['content-type']);
            $content_type = $content_type[0];
            switch ($content_type) {
                case 'text/xml' :
                case 'application/xml' :
                case 'text/plain' :
                    if ($content_type === 'text/plain') {
                        $check = substr($content, 0, 5);
                        if ($check !== '<?xml') {
                            break;
                        }
                    }

$parser = new PEAR_XMLParser;
                    PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
                    $err = $parser->parse($content);
                    PEAR::popErrorHandling();
                    if (PEAR::isError($err)) {
                        return PEAR::raiseError('Invalid xml downloaded from "' . $url . '": ' .
                            $err->getMessage());
                    }
                    $content = $parser->getData();
                case 'text/html' :
                default :
                    // use it as a string
            }
        } else {
            // assume XML
            $parser = new PEAR_XMLParser;
            $parser->parse($content);
            $content = $parser->getData();
        }

$result = $this->saveCache($url, $content, $lastmodified, false, $cacheId);
        if (PEAR::isError($result)) {
            return PEAR::raiseError($result->getMessage());
        }

return $content;
    }

function useLocalCache($url, $cacheid = null)
    {
        if (!is_array($cacheid)) {
            $cacheid = $this->getCacheId($url);
        }

$cachettl = $this->config->get('cache_ttl');
        // If cache is newer than $cachettl seconds, we use the cache!
        if (is_array($cacheid) && time() - $cacheid['age'] < $cachettl) {
            return $this->getCache($url);
        }

return false;
    }

/**
     * @param string $url
     *
     * @return bool|mixed
     */
    function getCacheId($url)
    {
        $cacheidfile = $this->config->get('cache_dir') . DIRECTORY_SEPARATOR .
            md5($url) . 'rest.cacheid';

if (!file_exists($cacheidfile)) {
            return false;
        }

$ret = unserialize(implode('', file($cacheidfile)));
        return $ret;
    }

function getCache($url)
    {
        $cachefile = $this->config->get('cache_dir') . DIRECTORY_SEPARATOR .
            md5($url) . 'rest.cachefile';

if (!file_exists($cachefile)) {
            return PEAR::raiseError('No cached content available for "' . $url . '"');
        }

return unserialize(implode('', file($cachefile)));
    }

/**
     * @param string full URL to REST resource
     * @param string original contents of the REST resource
     * @param array  HTTP Last-Modified and ETag headers
     * @param bool   if true, then the cache id file should be regenerated to
     *               trigger a new time-to-live value
     */
    function saveCache($url, $contents, $lastmodified, $nochange = false, $cacheid = null)
    {
        $cache_dir   = $this->config->get('cache_dir');
        $d           = $cache_dir . DIRECTORY_SEPARATOR . md5($url);
        $cacheidfile = $d . 'rest.cacheid';
        $cachefile   = $d . 'rest.cachefile';

if (!is_dir($cache_dir)) {
            if (System::mkdir(array('-p', $cache_dir)) === false) {
              return PEAR::raiseError("The value of config option cache_dir ($cache_dir) is not a directory and attempts to create the directory failed.");
            }
        }

if (!is_writeable($cache_dir)) {
            // If writing to the cache dir is not going to work, silently do nothing.
            // An ugly hack, but retains compat with PEAR 1.9.1 where many commands
            // work fine as non-root user (w/out write access to default cache dir).
            return true;
        }

if ($cacheid === null && $nochange) {
            $cacheid = unserialize(implode('', file($cacheidfile)));
        }

$idData = serialize(array(
            'age'        => time(),
            'lastChange' => ($nochange ? $cacheid['lastChange'] : $lastmodified),
        ));

$result = $this->saveCacheFile($cacheidfile, $idData);
        if (PEAR::isError($result)) {
            return $result;
        } elseif ($nochange) {
            return true;
        }

$result = $this->saveCacheFile($cachefile, serialize($contents));
        if (PEAR::isError($result)) {
            if (file_exists($cacheidfile)) {
              @unlink($cacheidfile);
            }

return $result;
        }

return true;
    }

function saveCacheFile($file, $contents)
    {
        $len = strlen($contents);

$cachefile_fp = @fopen($file, 'xb'); // x is the O_CREAT|O_EXCL mode
        if ($cachefile_fp !== false) { // create file
            if (fwrite($cachefile_fp, $contents, $len) < $len) {
                fclose($cachefile_fp);
                return PEAR::raiseError("Could not write $file.");
            }
        } else { // update file
            $cachefile_fp = @fopen($file, 'r+b'); // do not truncate file
            if (!$cachefile_fp) {
                return PEAR::raiseError("Could not open $file for writing.");
            }

if (OS_WINDOWS) {
                $not_symlink     = !is_link($file); // see bug #18834
            } else {
                $cachefile_lstat = lstat($file);
                $cachefile_fstat = fstat($cachefile_fp);
                $not_symlink     = $cachefile_lstat['mode'] == $cachefile_fstat['mode']
                                   && $cachefile_lstat['ino']  == $cachefile_fstat['ino']
                                   && $cachefile_lstat['dev']  == $cachefile_fstat['dev']
                                   && $cachefile_fstat['nlink'] === 1;
            }

if ($not_symlink) {
                ftruncate($cachefile_fp, 0); // NOW truncate
                if (fwrite($cachefile_fp, $contents, $len) < $len) {
                    fclose($cachefile_fp);
                    return PEAR::raiseError("Could not write $file.");
                }
            } else {
                fclose($cachefile_fp);
                $link = function_exists('readlink') ? readlink($file) : $file;
                return PEAR::raiseError('SECURITY ERROR: Will not write to ' . $file . ' as it is symlinked to ' . $link . ' - Possible symlink attack');
            }
        }

fclose($cachefile_fp);
        return true;
    }

/**
     * Efficiently Download a file through HTTP.  Returns downloaded file as a string in-memory
     * This is best used for small files
     *
     * If an HTTP proxy has been configured (http_proxy PEAR_Config
     * setting), the proxy will be used.
     *
     * @param string  $url       the URL to download
     * @param string  $save_dir  directory to save file in
     * @param false|string|array $lastmodified header values to check against for caching
     *                           use false to return the header values from this download
     * @param false|array $accept Accept headers to send
     * @return string|array  Returns the contents of the downloaded file or a PEAR
     *                       error on failure.  If the error is caused by
     *                       socket-related errors, the error object will
     *                       have the fsockopen error code available through
     *                       getCode().  If caching is requested, then return the header
     *                       values.
     *
     * @access public
     */
    function downloadHttp($url, $lastmodified = null, $accept = false, $channel = false)
    {
        static $redirect = 0;
        // always reset , so we are clean case of error
        $wasredirect = $redirect;
        $redirect = 0;

$info = parse_url($url);
        if (!isset($info['scheme']) || !in_array($info['scheme'], array('http', 'https'))) {
            return PEAR::raiseError('Cannot download non-http URL "' . $url . '"');
        }

if (!isset($info['host'])) {
            return PEAR::raiseError('Cannot download from non-URL "' . $url . '"');
        }

$host   = isset($info['host']) ? $info['host'] : null;
        $port   = isset($info['port']) ? $info['port'] : null;
        $path   = isset($info['path']) ? $info['path'] : null;
        $schema = (isset($info['scheme']) && $info['scheme'] == 'https') ? 'https' : 'http';

$proxy = new PEAR_Proxy($this->config);

if (empty($port)) {
            $port = (isset($info['scheme']) && $info['scheme'] == 'https')  ? 443 : 80;
        }

if ($proxy->isProxyConfigured() && $schema === 'http') {
            $request = "GET $url HTTP/1.1\r\n";
        } else {
            $request = "GET $path HTTP/1.1\r\n";
        }

$request .= "Host: $host\r\n";
        $ifmodifiedsince = '';
        if (is_array($lastmodified)) {
            if (isset($lastmodified['Last-Modified'])) {
                $ifmodifiedsince = 'If-Modified-Since: ' . $lastmodified['Last-Modified'] . "\r\n";
            }

if (isset($lastmodified['ETag'])) {
                $ifmodifiedsince .= "If-None-Match: $lastmodified[ETag]\r\n";
            }
        } else {
            $ifmodifiedsince = ($lastmodified ? "If-Modified-Since: $lastmodified\r\n" : '');
        }

$request .= $ifmodifiedsince .
            "User-Agent: PEAR/1.10.16/PHP/" . PHP_VERSION . "\r\n";

$username = $this->config->get('username', null, $channel);
        $password = $this->config->get('password', null, $channel);

if ($username && $password) {
            $tmp = base64_encode("$username:$password");
            $request .= "Authorization: Basic $tmp\r\n";
        }

$proxyAuth = $proxy->getProxyAuth();
        if ($proxyAuth) {
            $request .= 'Proxy-Authorization: Basic ' .
                $proxyAuth . "\r\n";
        }

if ($accept) {
            $request .= 'Accept: ' . implode(', ', $accept) . "\r\n";
        }

$request .= "Accept-Encoding:\r\n";
        $request .= "Connection: close\r\n";
        $request .= "\r\n";

$secure = ($schema == 'https');
        $fp = $proxy->openSocket($host, $port, $secure);
        if (PEAR::isError($fp)) {
            return $fp;
        }

fwrite($fp, $request);

$headers = array();
        $reply   = 0;
        while ($line = trim(fgets($fp, 1024))) {
            if (preg_match('/^([^:]+):\s+(.*)\s*\\z/', $line, $matches)) {
                $headers[strtolower($matches[1])] = trim($matches[2]);
            } elseif (preg_match('|^HTTP/1.[01] ([0-9]{3}) |', $line, $matches)) {
                $reply = (int)$matches[1];
                if ($reply == 304 && ($lastmodified || ($lastmodified === false))) {
                    return false;
                }

if (!in_array($reply, array(200, 301, 302, 303, 305, 307))) {
                    return PEAR::raiseError("File $schema://$host:$port$path not valid (received: $line)");
                }
            }
        }

if ($reply != 200) {
            if (!isset($headers['location'])) {
                return PEAR::raiseError("File $schema://$host:$port$path not valid (redirected but no location)");
            }

if ($wasredirect > 4) {
                return PEAR::raiseError("File $schema://$host:$port$path not valid (redirection looped more than 5 times)");
            }

$redirect = $wasredirect + 1;
            return $this->downloadHttp($headers['location'], $lastmodified, $accept, $channel);
        }

$length = isset($headers['content-length']) ? $headers['content-length'] : -1;

$data = '';
        while ($chunk = @fread($fp, 8192)) {
            $data .= $chunk;
        }
        fclose($fp);

if ($lastmodified === false || $lastmodified) {
            if (isset($headers['etag'])) {
                $lastmodified = array('ETag' => $headers['etag']);
            }

if (isset($headers['last-modified'])) {
                if (is_array($lastmodified)) {
                    $lastmodified['Last-Modified'] = $headers['last-modified'];
                } else {
                    $lastmodified = $headers['last-modified'];
                }
            }

return array($data, $lastmodified, $headers);
        }

return $data;
    }
}

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Editing: REST.php

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