From d195e3969b6d548a56201233e6a28f7b5dc7a014 Mon Sep 17 00:00:00 2001 From: Marius Cramer <m.cramer@pixcept.de> Date: Thu, 8 May 2014 14:34:27 +0200 Subject: [PATCH] - added request helper class from master --- .../lib/classes/ispconfig_request.inc.php | 263 ++++++++++++++++++ 1 file changed, 263 insertions(+) create mode 100644 interface/lib/classes/ispconfig_request.inc.php diff --git a/interface/lib/classes/ispconfig_request.inc.php b/interface/lib/classes/ispconfig_request.inc.php new file mode 100644 index 0000000000..b29ae2398c --- /dev/null +++ b/interface/lib/classes/ispconfig_request.inc.php @@ -0,0 +1,263 @@ +<?php + +/* +Copyright (c) 2013, Marius Cramer, pixcept KG +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name of ISPConfig nor the names of its contributors + may be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY +OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, +EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +//* The purpose of this library is to provide some general functions. +//* This class is loaded automatically by the ispconfig framework. + +abstract class ISPConfigRequest { + /** + * Get header data and contents from an url + * + * Calls an url and returns an array containing the http header and the page content + * + * @access public + * @param string $url the url to call + * @param string $store_in the file to store the data in instead of returning them + * @return array The array with header data at index 0 and page content at index 1, returns boolean false on error. If $store_in is set only the headers are returned + */ + + + public static function get_with_headers($url, $store_in = null, $follow_redirects = false, $user_agent = false) { + if($follow_redirects === true) $follow_redirects = 5; + elseif($follow_redirects !== false) $follow_redirects--; + + if(!$user_agent) $user_agent = 'pxFW GET proxy'; + + $url_info = parse_url($url); + if(isset($url_info['scheme']) && $url_info['scheme'] == 'https') { + $port = isset($url_info['port']) ? $url_info['port'] : 443; + //@$fp = stream_socket_client('ssl://' . $url_info['host'] . ':' . $port, $errno, $errstr, 10, STREAM_CLIENT_CONNECT, stream_context_create(array('ssl' => array('ciphers' => 'ALL:!AES:!3DES:!RC4:@STRENGTH')))); + @$fp = fsockopen('sslv3://' . $url_info['host'], $port, $errno, $errstr, 10); + } else { + $port = isset($url_info['port']) ? $url_info['port'] : 80; + @$fp = fsockopen($url_info['host'], $port, $errno, $errstr, 10); + } + + if($store_in) { + $outfp = fopen($store_in, 'w'); + if(!$outfp) return false; + } + if($fp) { + stream_set_timeout($fp, 10); + $head = 'GET ' . (isset($url_info['path']) ? $url_info['path'] : '/') . (isset($url_info['query']) ? '?' . $url_info['query'] : ''); + $head .= " HTTP/1.0\r\nHost: " . (isset($url_info['host']) ? $url_info['host'] : '') . "\r\n"; + $head .= "User-Agent: " . $user_agent . "\r\n"; + if(isset($url_info['user'])) { + if(!array_key_exists('pass', $url_info)) $url_info['pass'] = ''; + $head .= "Authorization: basic " . base64_encode($url_info['user'] . ':' . $url_info['pass']) . "\r\n"; + } + $head .= "Connection: Close\r\n"; + $head .= "Accept: */*\r\n\r\n"; + + $data = ''; + $eoheader = false; + fputs($fp, $head); + while(!feof($fp)) { + if($header = fgets($fp, 1024)) { + if($eoheader == true) { + if($store_in) fputs($outfp, $header); + else $data .= $header; + continue; + } + + if ($header == "\r\n") { + $eoheader = true; + continue; + } else { + $header = trim($header); + } + $sc_pos = strpos($header, ':'); + if($sc_pos === false) { + $headers['status'] = $header; + $headers['http_code'] = intval(preg_replace('/^HTTP\/\d+\.\d+\s+(\d+)\s+.*$/', '$1', $header)); + } else { + $label = substr($header, 0, $sc_pos); + $value = substr($header, $sc_pos + 1); + $headers[strtolower($label)] = trim($value); + } + } + } + fclose($fp); + if(isset($headers['http_code']) && isset($headers['location']) && ($headers['http_code'] == 301 || $headers['http_code'] == 302) && $follow_redirects > 0) { + if($store_in) fclose($outfp); + return $self::get_with_headers($headers['location'], $store_in, $follow_redirects); + } + if($store_in) { + fclose($outfp); + + $code = intval(preg_replace('/^HTTP\/\d+\.\d+\s+(\d+)\s+.*$/', '$1', $headers['status'])); + if($code != 200) { + return false; + } + return $headers; + } else { + return array($headers, $data); + } + } else { + if($store_in) { + fclose($outfp); + @unlink($store_in); + } + return false; + } + } + + /** + * Gets the content of an url + * + * Checks for the php function file_get_contents and uses an alternative if not found + * + * @access public + * @param string $url url to get + * @return string url data including headers + * @see file_get_contents + */ + public static function get($url) { + if(function_exists('file_get_contents')) return file_get_contents($url); + + $fp = fopen($url, 'r'); + $data = ''; + while(!feof($fp)) { + $data .= fgets($fp, 8192); + } + fclose($fp); + + return $data; + } + + + /** + * Make a post request and get data + * + * Calls an url with a post request and returns the data - and optionally the header content + * + * @access public + * @param string $url the url to call + * @param string $data the post data to send + * @param bool $get_headers if true, the function will return an array like PXUrl::get_with_headers(), otherwise the content is returned as a string + * @return mixed Content data as string or - if get_headers is true - the array with header data at index 0 and page content at index 1 + * @see get_url_and_headers + */ + public static function post($url, $data, $get_headers = false, $user_agent = false) { + $url_info = parse_url($url); + if((isset($url_info['scheme']) && $url_info['scheme'] == 'https') || $url_info['port'] == 443) { + $port = (!isset($url_info['port']) || !$url_info['port'] || $url_info['port'] == 443 || $url_info['port'] == 80) ? 443 : $url_info['port']; + //@$fp = stream_socket_client('ssl://' . $url_info['host'] . ':' . $port, $errno, $errstr, 10, STREAM_CLIENT_CONNECT, stream_context_create(array('ssl' => array('ciphers' => 'ALL:!AES:!3DES:!RC4:@STRENGTH')))); + @$fp = fsockopen('sslv3://' . $url_info['host'], $port, $errno, $errstr, 10); + } else { + $port = isset($url_info['port']) ? $url_info['port'] : 80; + @$fp = fsockopen($url_info['host'], $port, $errno, $errstr, 10); + } + + if(!$fp) return ''; + + if(!$user_agent) $user_agent = 'pxFW GET proxy'; + + $header = 'POST ' . (isset($url_info['path']) ? $url_info['path'] : '/') . (isset($url_info['query']) ? '?' . @$url_info['query'] : '') . " HTTP/1.1\r\n"; + $header .= "Host: " . @$url_info['host'] . "\r\n"; + $header .= "User-Agent: " . $user_agent . "\r\n"; + if(isset($url_info['user'])) { + if(!array_key_exists('pass', $url_info)) $url_info['pass'] = ''; + $header .= "Authorization: basic " . base64_encode($url_info['user'] . ':' . $url_info['pass']) . "\r\n"; + } + $header .= "Content-Type: application/x-www-form-urlencoded\r\n"; + $header .= "Content-Length: " . strlen($data) . "\r\n"; + $header .= "Connection: close\r\n\r\n"; + $header .= $data . "\r\n\r\n"; + + fwrite($fp, $header); + + $response = ''; + $eoheader = false; + $header = ''; + $tmpdata = ''; + $chunked = false; + $chunklen = 0; + + while(!feof($fp)) { + if($header = @fgets($fp, 1024)) { + if($eoheader == true) { + $response .= $header; + continue; + } + + if ($header == "\r\n") { + $eoheader = true; + continue; + } else { + $tmpdata .= $header; + if(preg_match('/Transfer-Encoding:\s+chunked/i', $tmpdata)) $chunked = true; + } + } + } + //var_dump($response, $chunked, $header); + if($chunked == true) { + $lines = explode("\n", $response); + $response = ''; + $chunklen = 0; + foreach($lines as $line) { + $line .= "\n"; + if($chunklen <= 0) { + if(preg_match('/^([0-9a-f]+)\s*$/is', $line, $matches)) { + $chunklen = hexdec($matches[1]); + } + continue; + } + + if(strlen($line) > $chunklen) { + //echo "Warnung: " . strlen($line) . " > " . $chunklen . "\n"; + $line = substr($line, 0, $chunklen); + } + $response .= $line; + $chunklen -= strlen($line); + } + + $start = strpos($response, '<?xml'); + $end = strrpos($response, '>'); + if($start !== false && $end !== false) $response = substr($response, $start, $end - $start + 1); + } + + fclose($fp); + + if($get_headers == true) { + $tmpheaders = explode("\n", $tmpdata); + $headers = array(); + foreach($tmpheaders as $cur) { + if(preg_match('/^(\w+)\:\s*(.*)$/is', $cur, $matches)) { + $headers["$matches[1]"] = trim($matches[2]); + } + } + return array($headers, $response); + } else return $response; + } + +} + +?> -- GitLab