diff options
Diffstat (limited to 'core/helpers/MY_remote.php')
| -rw-r--r-- | core/helpers/MY_remote.php | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/core/helpers/MY_remote.php b/core/helpers/MY_remote.php deleted file mode 100644 index 4abf5bf1..00000000 --- a/core/helpers/MY_remote.php +++ /dev/null @@ -1,163 +0,0 @@ -<?php defined("SYSPATH") or die("No direct script access."); -/** - * Gallery - a web based photo album viewer and editor - * Copyright (C) 2000-2009 Bharat Mediratta - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. - */ -class remote extends remote_Core { - - static function post($url, $post_data_array, $extra_headers=array()) { - $post_data_raw = self::_encode_post_data($post_data_array, $extra_headers); - - /* Read the web page into a buffer */ - list ($response_status, $response_headers, $response_body) = - self::do_request($url, 'POST', $extra_headers, $post_data_raw); - - return array($response_body, $response_status, $response_headers); - } - - static function success($response_status) { - return preg_match("/^HTTP\/\d+\.\d+\s2\d{2}(\s|$)/", trim($response_status)); - } - - /** - * Encode the post data. For each key/value pair, urlencode both the key and the value and then - * concatenate together. As per the specification, each key/value pair is separated with an - * ampersand (&) - * @param array $post_data_array the key/value post data - * @param array $extra_headers extra headers to pass to the server - * @return string the encoded post data - */ - private static function _encode_post_data($post_data_array, &$extra_headers) { - $post_data_raw = ''; - foreach ($post_data_array as $key => $value) { - if (!empty($post_data_raw)) { - $post_data_raw .= '&'; - } - $post_data_raw .= urlencode($key) . '=' . urlencode($value); - } - - $extra_headers['Content-Type'] = 'application/x-www-form-urlencoded'; - $extra_headers['Content-Length'] = strlen($post_data_raw); - - return $post_data_raw; - } - - /** - * A single request, without following redirects - * - * @todo: Handle redirects? If so, only for GET (i.e. not for POST), and use G2's WebHelper_simple::_parseLocation logic. - */ - static function do_request($url, $method='GET', $headers=array(), $body='') { - /* Convert illegal characters */ - $url = str_replace(' ', '%20', $url); - - $url_components = self::_parse_url_for_fsockopen($url); - $handle = fsockopen( - $url_components['fsockhost'], $url_components['port'], $errno, $errstr, 5); - if (empty($handle)) { - // log "Error $errno: '$errstr' requesting $url"; - return array(null, null, null); - } - - $header_lines = array('Host: ' . $url_components['host']); - foreach ($headers as $key => $value) { - $header_lines[] = $key . ': ' . $value; - } - - $success = fwrite($handle, sprintf("%s %s HTTP/1.0\r\n%s\r\n\r\n%s", - $method, - $url_components['uri'], - implode("\r\n", $header_lines), - $body)); - if (!$success) { - // Zero bytes written or false was returned - // log "fwrite failed in requestWebPage($url)" . ($success === false ? ' - false' : '' - return array(null, null, null); - } - fflush($handle); - - /* - * Read the status line. fgets stops after newlines. The first line is the protocol - * version followed by a numeric status code and its associated textual phrase. - */ - $response_status = trim(fgets($handle, 4096)); - if (empty($response_status)) { - // 'Empty http response code, maybe timeout' - return array(null, null, null); - } - - /* Read the headers */ - $response_headers = array(); - while (!feof($handle)) { - $line = trim(fgets($handle, 4096)); - if (empty($line)) { - break; - } - - /* Normalize the line endings */ - $line = str_replace("\r", '', $line); - - list ($key, $value) = explode(':', $line, 2); - if (isset($response_headers[$key])) { - if (!is_array($response_headers[$key])) { - $response_headers[$key] = array($response_headers[$key]); - } - $response_headers[$key][] = trim($value); - } else { - $response_headers[$key] = trim($value); - } - } - - /* Read the body */ - $response_body = ''; - while (!feof($handle)) { - $response_body .= fread($handle, 4096); - } - fclose($handle); - - return array($response_status, $response_headers, $response_body); - } - - /** - * Prepare for fsockopen call. - * @param string $url - * @return array url components - * @access private - */ - private static function _parse_url_for_fsockopen($url) { - $url_components = parse_url($url); - if (strtolower($url_components['scheme']) == 'https') { - $url_components['fsockhost'] = 'ssl://' . $url_components['host']; - $default_port = 443; - } else { - $url_components['fsockhost'] = $url_components['host']; - $default_port = 80; - } - if (empty($url_components['port'])) { - $url_components['port'] = $default_port; - } - if (empty($url_components['path'])) { - $url_components['path'] = '/'; - } - $uri = $url_components['path'] - . (empty($url_components['query']) ? '' : '?' . $url_components['query']); - /* Unescape ampersands, since if the url comes from form input it will be escaped */ - $url_components['uri'] = str_replace('&', '&', $uri); - return $url_components; - } -} - |