1 | <?php
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2 | if ( !in_array('Snoopy', get_declared_classes() ) ) :
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3 | /*************************************************
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4 |
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5 | Snoopy - the PHP net client
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6 | Author: Monte Ohrt <monte@ispi.net>
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7 | Copyright (c): 1999-2008 New Digital Group, all rights reserved
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8 | Version: 1.2.4
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9 |
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10 | * This library is free software; you can redistribute it and/or
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11 | * modify it under the terms of the GNU Lesser General Public
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12 | * License as published by the Free Software Foundation; either
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13 | * version 2.1 of the License, or (at your option) any later version.
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14 | *
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15 | * This library is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 | * Lesser General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU Lesser General Public
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21 | * License along with this library; if not, write to the Free Software
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22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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23 |
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24 | You may contact the author of Snoopy by e-mail at:
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25 | monte@ohrt.com
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26 |
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27 | The latest version of Snoopy can be obtained from:
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28 | http://snoopy.sourceforge.net/
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29 |
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30 | *************************************************/
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31 |
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32 | class Snoopy
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33 | {
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34 | /**** Public variables ****/
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35 |
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36 | /* user definable vars */
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37 |
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38 | var $host = "www.php.net"; // host name we are connecting to
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39 | var $port = 80; // port we are connecting to
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40 | var $proxy_host = ""; // proxy host to use
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41 | var $proxy_port = ""; // proxy port to use
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42 | var $proxy_user = ""; // proxy user to use
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43 | var $proxy_pass = ""; // proxy password to use
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44 |
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45 | var $agent = "Snoopy v1.2.4"; // agent we masquerade as
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46 | var $referer = ""; // referer info to pass
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47 | var $cookies = array(); // array of cookies to pass
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48 | // $cookies["username"]="joe";
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49 | var $rawheaders = array(); // array of raw headers to send
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50 | // $rawheaders["Content-type"]="text/html";
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51 |
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52 | var $maxredirs = 5; // http redirection depth maximum. 0 = disallow
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53 | var $lastredirectaddr = ""; // contains address of last redirected address
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54 | var $offsiteok = true; // allows redirection off-site
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55 | var $maxframes = 0; // frame content depth maximum. 0 = disallow
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56 | var $expandlinks = true; // expand links to fully qualified URLs.
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57 | // this only applies to fetchlinks()
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58 | // submitlinks(), and submittext()
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59 | var $passcookies = true; // pass set cookies back through redirects
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60 | // NOTE: this currently does not respect
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61 | // dates, domains or paths.
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62 |
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63 | var $user = ""; // user for http authentication
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64 | var $pass = ""; // password for http authentication
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65 |
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66 | // http accept types
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67 | var $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
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68 |
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69 | var $results = ""; // where the content is put
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70 |
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71 | var $error = ""; // error messages sent here
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72 | var $response_code = ""; // response code returned from server
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73 | var $headers = array(); // headers returned from server sent here
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74 | var $maxlength = 500000; // max return data length (body)
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75 | var $read_timeout = 0; // timeout on read operations, in seconds
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76 | // supported only since PHP 4 Beta 4
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77 | // set to 0 to disallow timeouts
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78 | var $timed_out = false; // if a read operation timed out
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79 | var $status = 0; // http request status
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80 |
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81 | var $temp_dir = "/tmp"; // temporary directory that the webserver
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82 | // has permission to write to.
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83 | // under Windows, this should be C:\temp
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84 |
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85 | var $curl_path = "/usr/local/bin/curl";
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86 | // Snoopy will use cURL for fetching
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87 | // SSL content if a full system path to
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88 | // the cURL binary is supplied here.
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89 | // set to false if you do not have
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90 | // cURL installed. See http://curl.haxx.se
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91 | // for details on installing cURL.
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92 | // Snoopy does *not* use the cURL
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93 | // library functions built into php,
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94 | // as these functions are not stable
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95 | // as of this Snoopy release.
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96 |
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97 | /**** Private variables ****/
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98 |
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99 | var $_maxlinelen = 4096; // max line length (headers)
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100 |
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101 | var $_httpmethod = "GET"; // default http request method
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102 | var $_httpversion = "HTTP/1.0"; // default http request version
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103 | var $_submit_method = "POST"; // default submit method
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104 | var $_submit_type = "application/x-www-form-urlencoded"; // default submit type
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105 | var $_mime_boundary = ""; // MIME boundary for multipart/form-data submit type
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106 | var $_redirectaddr = false; // will be set if page fetched is a redirect
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107 | var $_redirectdepth = 0; // increments on an http redirect
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108 | var $_frameurls = array(); // frame src urls
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109 | var $_framedepth = 0; // increments on frame depth
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110 |
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111 | var $_isproxy = false; // set if using a proxy server
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112 | var $_fp_timeout = 30; // timeout for socket connection
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113 |
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114 | /*======================================================================*\
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115 | Function: fetch
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116 | Purpose: fetch the contents of a web page
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117 | (and possibly other protocols in the
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118 | future like ftp, nntp, gopher, etc.)
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119 | Input: $URI the location of the page to fetch
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120 | Output: $this->results the output text from the fetch
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121 | \*======================================================================*/
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122 |
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123 | function fetch($URI)
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124 | {
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125 |
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126 | //preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$URI,$URI_PARTS);
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127 | $URI_PARTS = parse_url($URI);
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128 | if (!empty($URI_PARTS["user"]))
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129 | $this->user = $URI_PARTS["user"];
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130 | if (!empty($URI_PARTS["pass"]))
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131 | $this->pass = $URI_PARTS["pass"];
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132 | if (empty($URI_PARTS["query"]))
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133 | $URI_PARTS["query"] = '';
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134 | if (empty($URI_PARTS["path"]))
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135 | $URI_PARTS["path"] = '';
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136 |
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137 | switch(strtolower($URI_PARTS["scheme"]))
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138 | {
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139 | case "http":
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140 | $this->host = $URI_PARTS["host"];
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141 | if(!empty($URI_PARTS["port"]))
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142 | $this->port = $URI_PARTS["port"];
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143 | if($this->_connect($fp))
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144 | {
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145 | if($this->_isproxy)
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146 | {
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147 | // using proxy, send entire URI
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148 | $this->_httprequest($URI,$fp,$URI,$this->_httpmethod);
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149 | }
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150 | else
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151 | {
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152 | $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
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153 | // no proxy, send only the path
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154 | $this->_httprequest($path, $fp, $URI, $this->_httpmethod);
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155 | }
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156 |
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157 | $this->_disconnect($fp);
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158 |
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159 | if($this->_redirectaddr)
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160 | {
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161 | /* url was redirected, check if we've hit the max depth */
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162 | if($this->maxredirs > $this->_redirectdepth)
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163 | {
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164 | // only follow redirect if it's on this site, or offsiteok is true
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165 | if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
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166 | {
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167 | /* follow the redirect */
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168 | $this->_redirectdepth++;
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169 | $this->lastredirectaddr=$this->_redirectaddr;
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170 | $this->fetch($this->_redirectaddr);
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171 | }
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172 | }
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173 | }
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174 |
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175 | if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
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176 | {
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177 | $frameurls = $this->_frameurls;
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178 | $this->_frameurls = array();
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179 |
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180 | while(list(,$frameurl) = each($frameurls))
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181 | {
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182 | if($this->_framedepth < $this->maxframes)
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183 | {
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184 | $this->fetch($frameurl);
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185 | $this->_framedepth++;
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186 | }
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187 | else
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188 | break;
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189 | }
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190 | }
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191 | }
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192 | else
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193 | {
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194 | return false;
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195 | }
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196 | return true;
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197 | break;
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198 | case "https":
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199 | if(!$this->curl_path)
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200 | return false;
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201 | if(function_exists("is_executable"))
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202 | if (!is_executable($this->curl_path))
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203 | return false;
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204 | $this->host = $URI_PARTS["host"];
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205 | if(!empty($URI_PARTS["port"]))
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206 | $this->port = $URI_PARTS["port"];
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207 | if($this->_isproxy)
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208 | {
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209 | // using proxy, send entire URI
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210 | $this->_httpsrequest($URI,$URI,$this->_httpmethod);
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211 | }
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212 | else
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213 | {
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214 | $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
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215 | // no proxy, send only the path
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216 | $this->_httpsrequest($path, $URI, $this->_httpmethod);
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217 | }
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218 |
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219 | if($this->_redirectaddr)
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220 | {
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221 | /* url was redirected, check if we've hit the max depth */
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222 | if($this->maxredirs > $this->_redirectdepth)
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223 | {
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224 | // only follow redirect if it's on this site, or offsiteok is true
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225 | if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
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226 | {
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227 | /* follow the redirect */
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228 | $this->_redirectdepth++;
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229 | $this->lastredirectaddr=$this->_redirectaddr;
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230 | $this->fetch($this->_redirectaddr);
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231 | }
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232 | }
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233 | }
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234 |
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235 | if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
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236 | {
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237 | $frameurls = $this->_frameurls;
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238 | $this->_frameurls = array();
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239 |
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240 | while(list(,$frameurl) = each($frameurls))
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241 | {
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242 | if($this->_framedepth < $this->maxframes)
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243 | {
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244 | $this->fetch($frameurl);
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245 | $this->_framedepth++;
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246 | }
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247 | else
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248 | break;
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249 | }
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250 | }
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251 | return true;
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252 | break;
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253 | default:
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254 | // not a valid protocol
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255 | $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
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256 | return false;
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257 | break;
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258 | }
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259 | return true;
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260 | }
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261 |
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262 | /*======================================================================*\
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263 | Function: submit
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264 | Purpose: submit an http form
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265 | Input: $URI the location to post the data
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266 | $formvars the formvars to use.
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267 | format: $formvars["var"] = "val";
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268 | $formfiles an array of files to submit
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269 | format: $formfiles["var"] = "/dir/filename.ext";
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270 | Output: $this->results the text output from the post
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271 | \*======================================================================*/
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272 |
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273 | function submit($URI, $formvars="", $formfiles="")
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274 | {
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275 | unset($postdata);
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276 |
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277 | $postdata = $this->_prepare_post_body($formvars, $formfiles);
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278 |
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279 | $URI_PARTS = parse_url($URI);
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280 | if (!empty($URI_PARTS["user"]))
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281 | $this->user = $URI_PARTS["user"];
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282 | if (!empty($URI_PARTS["pass"]))
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283 | $this->pass = $URI_PARTS["pass"];
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284 | if (empty($URI_PARTS["query"]))
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285 | $URI_PARTS["query"] = '';
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286 | if (empty($URI_PARTS["path"]))
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287 | $URI_PARTS["path"] = '';
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288 |
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289 | switch(strtolower($URI_PARTS["scheme"]))
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290 | {
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291 | case "http":
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292 | $this->host = $URI_PARTS["host"];
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293 | if(!empty($URI_PARTS["port"]))
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294 | $this->port = $URI_PARTS["port"];
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295 | if($this->_connect($fp))
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296 | {
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297 | if($this->_isproxy)
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298 | {
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299 | // using proxy, send entire URI
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300 | $this->_httprequest($URI,$fp,$URI,$this->_submit_method,$this->_submit_type,$postdata);
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301 | }
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302 | else
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303 | {
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304 | $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
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305 | // no proxy, send only the path
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306 | $this->_httprequest($path, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata);
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307 | }
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308 |
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309 | $this->_disconnect($fp);
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310 |
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311 | if($this->_redirectaddr)
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312 | {
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313 | /* url was redirected, check if we've hit the max depth */
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314 | if($this->maxredirs > $this->_redirectdepth)
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315 | {
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316 | if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
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317 | $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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318 |
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319 | // only follow redirect if it's on this site, or offsiteok is true
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320 | if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
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321 | {
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322 | /* follow the redirect */
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323 | $this->_redirectdepth++;
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324 | $this->lastredirectaddr=$this->_redirectaddr;
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325 | if( strpos( $this->_redirectaddr, "?" ) > 0 )
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326 | $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
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327 | else
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328 | $this->submit($this->_redirectaddr,$formvars, $formfiles);
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329 | }
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330 | }
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331 | }
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332 |
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333 | if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
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334 | {
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335 | $frameurls = $this->_frameurls;
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336 | $this->_frameurls = array();
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337 |
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338 | while(list(,$frameurl) = each($frameurls))
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339 | {
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340 | if($this->_framedepth < $this->maxframes)
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341 | {
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342 | $this->fetch($frameurl);
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343 | $this->_framedepth++;
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344 | }
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345 | else
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346 | break;
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347 | }
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348 | }
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349 |
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350 | }
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351 | else
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352 | {
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353 | return false;
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354 | }
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355 | return true;
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356 | break;
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357 | case "https":
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358 | if(!$this->curl_path)
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359 | return false;
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360 | if(function_exists("is_executable"))
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361 | if (!is_executable($this->curl_path))
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362 | return false;
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363 | $this->host = $URI_PARTS["host"];
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364 | if(!empty($URI_PARTS["port"]))
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365 | $this->port = $URI_PARTS["port"];
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366 | if($this->_isproxy)
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367 | {
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368 | // using proxy, send entire URI
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369 | $this->_httpsrequest($URI, $URI, $this->_submit_method, $this->_submit_type, $postdata);
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370 | }
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371 | else
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372 | {
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373 | $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
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374 | // no proxy, send only the path
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375 | $this->_httpsrequest($path, $URI, $this->_submit_method, $this->_submit_type, $postdata);
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376 | }
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377 |
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378 | if($this->_redirectaddr)
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379 | {
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380 | /* url was redirected, check if we've hit the max depth */
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381 | if($this->maxredirs > $this->_redirectdepth)
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382 | {
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383 | if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
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384 | $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
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385 |
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386 | // only follow redirect if it's on this site, or offsiteok is true
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387 | if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
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388 | {
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389 | /* follow the redirect */
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390 | $this->_redirectdepth++;
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391 | $this->lastredirectaddr=$this->_redirectaddr;
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392 | if( strpos( $this->_redirectaddr, "?" ) > 0 )
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393 | $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
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394 | else
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395 | $this->submit($this->_redirectaddr,$formvars, $formfiles);
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396 | }
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397 | }
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398 | }
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399 |
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400 | if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
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401 | {
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402 | $frameurls = $this->_frameurls;
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403 | $this->_frameurls = array();
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404 |
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405 | while(list(,$frameurl) = each($frameurls))
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406 | {
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407 | if($this->_framedepth < $this->maxframes)
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408 | {
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409 | $this->fetch($frameurl);
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410 | $this->_framedepth++;
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411 | }
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412 | else
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413 | break;
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414 | }
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415 | }
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416 | return true;
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417 | break;
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418 |
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419 | default:
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420 | // not a valid protocol
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421 | $this->error = 'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
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422 | return false;
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423 | break;
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424 | }
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425 | return true;
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426 | }
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427 |
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428 | /*======================================================================*\
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429 | Function: fetchlinks
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430 | Purpose: fetch the links from a web page
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431 | Input: $URI where you are fetching from
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432 | Output: $this->results an array of the URLs
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433 | \*======================================================================*/
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434 |
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435 | function fetchlinks($URI)
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436 | {
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437 | if ($this->fetch($URI))
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438 | {
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439 | if($this->lastredirectaddr)
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440 | $URI = $this->lastredirectaddr;
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441 | if(is_array($this->results))
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442 | {
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443 | for($x=0;$x<count($this->results);$x++)
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444 | $this->results[$x] = $this->_striplinks($this->results[$x]);
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445 | }
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446 | else
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447 | $this->results = $this->_striplinks($this->results);
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448 |
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449 | if($this->expandlinks)
|
---|
450 | $this->results = $this->_expandlinks($this->results, $URI);
|
---|
451 | return true;
|
---|
452 | }
|
---|
453 | else
|
---|
454 | return false;
|
---|
455 | }
|
---|
456 |
|
---|
457 | /*======================================================================*\
|
---|
458 | Function: fetchform
|
---|
459 | Purpose: fetch the form elements from a web page
|
---|
460 | Input: $URI where you are fetching from
|
---|
461 | Output: $this->results the resulting html form
|
---|
462 | \*======================================================================*/
|
---|
463 |
|
---|
464 | function fetchform($URI)
|
---|
465 | {
|
---|
466 |
|
---|
467 | if ($this->fetch($URI))
|
---|
468 | {
|
---|
469 |
|
---|
470 | if(is_array($this->results))
|
---|
471 | {
|
---|
472 | for($x=0;$x<count($this->results);$x++)
|
---|
473 | $this->results[$x] = $this->_stripform($this->results[$x]);
|
---|
474 | }
|
---|
475 | else
|
---|
476 | $this->results = $this->_stripform($this->results);
|
---|
477 |
|
---|
478 | return true;
|
---|
479 | }
|
---|
480 | else
|
---|
481 | return false;
|
---|
482 | }
|
---|
483 |
|
---|
484 |
|
---|
485 | /*======================================================================*\
|
---|
486 | Function: fetchtext
|
---|
487 | Purpose: fetch the text from a web page, stripping the links
|
---|
488 | Input: $URI where you are fetching from
|
---|
489 | Output: $this->results the text from the web page
|
---|
490 | \*======================================================================*/
|
---|
491 |
|
---|
492 | function fetchtext($URI)
|
---|
493 | {
|
---|
494 | if($this->fetch($URI))
|
---|
495 | {
|
---|
496 | if(is_array($this->results))
|
---|
497 | {
|
---|
498 | for($x=0;$x<count($this->results);$x++)
|
---|
499 | $this->results[$x] = $this->_striptext($this->results[$x]);
|
---|
500 | }
|
---|
501 | else
|
---|
502 | $this->results = $this->_striptext($this->results);
|
---|
503 | return true;
|
---|
504 | }
|
---|
505 | else
|
---|
506 | return false;
|
---|
507 | }
|
---|
508 |
|
---|
509 | /*======================================================================*\
|
---|
510 | Function: submitlinks
|
---|
511 | Purpose: grab links from a form submission
|
---|
512 | Input: $URI where you are submitting from
|
---|
513 | Output: $this->results an array of the links from the post
|
---|
514 | \*======================================================================*/
|
---|
515 |
|
---|
516 | function submitlinks($URI, $formvars="", $formfiles="")
|
---|
517 | {
|
---|
518 | if($this->submit($URI,$formvars, $formfiles))
|
---|
519 | {
|
---|
520 | if($this->lastredirectaddr)
|
---|
521 | $URI = $this->lastredirectaddr;
|
---|
522 | if(is_array($this->results))
|
---|
523 | {
|
---|
524 | for($x=0;$x<count($this->results);$x++)
|
---|
525 | {
|
---|
526 | $this->results[$x] = $this->_striplinks($this->results[$x]);
|
---|
527 | if($this->expandlinks)
|
---|
528 | $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
|
---|
529 | }
|
---|
530 | }
|
---|
531 | else
|
---|
532 | {
|
---|
533 | $this->results = $this->_striplinks($this->results);
|
---|
534 | if($this->expandlinks)
|
---|
535 | $this->results = $this->_expandlinks($this->results,$URI);
|
---|
536 | }
|
---|
537 | return true;
|
---|
538 | }
|
---|
539 | else
|
---|
540 | return false;
|
---|
541 | }
|
---|
542 |
|
---|
543 | /*======================================================================*\
|
---|
544 | Function: submittext
|
---|
545 | Purpose: grab text from a form submission
|
---|
546 | Input: $URI where you are submitting from
|
---|
547 | Output: $this->results the text from the web page
|
---|
548 | \*======================================================================*/
|
---|
549 |
|
---|
550 | function submittext($URI, $formvars = "", $formfiles = "")
|
---|
551 | {
|
---|
552 | if($this->submit($URI,$formvars, $formfiles))
|
---|
553 | {
|
---|
554 | if($this->lastredirectaddr)
|
---|
555 | $URI = $this->lastredirectaddr;
|
---|
556 | if(is_array($this->results))
|
---|
557 | {
|
---|
558 | for($x=0;$x<count($this->results);$x++)
|
---|
559 | {
|
---|
560 | $this->results[$x] = $this->_striptext($this->results[$x]);
|
---|
561 | if($this->expandlinks)
|
---|
562 | $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
|
---|
563 | }
|
---|
564 | }
|
---|
565 | else
|
---|
566 | {
|
---|
567 | $this->results = $this->_striptext($this->results);
|
---|
568 | if($this->expandlinks)
|
---|
569 | $this->results = $this->_expandlinks($this->results,$URI);
|
---|
570 | }
|
---|
571 | return true;
|
---|
572 | }
|
---|
573 | else
|
---|
574 | return false;
|
---|
575 | }
|
---|
576 |
|
---|
577 |
|
---|
578 |
|
---|
579 | /*======================================================================*\
|
---|
580 | Function: set_submit_multipart
|
---|
581 | Purpose: Set the form submission content type to
|
---|
582 | multipart/form-data
|
---|
583 | \*======================================================================*/
|
---|
584 | function set_submit_multipart()
|
---|
585 | {
|
---|
586 | $this->_submit_type = "multipart/form-data";
|
---|
587 | }
|
---|
588 |
|
---|
589 |
|
---|
590 | /*======================================================================*\
|
---|
591 | Function: set_submit_normal
|
---|
592 | Purpose: Set the form submission content type to
|
---|
593 | application/x-www-form-urlencoded
|
---|
594 | \*======================================================================*/
|
---|
595 | function set_submit_normal()
|
---|
596 | {
|
---|
597 | $this->_submit_type = "application/x-www-form-urlencoded";
|
---|
598 | }
|
---|
599 |
|
---|
600 |
|
---|
601 |
|
---|
602 |
|
---|
603 | /*======================================================================*\
|
---|
604 | Private functions
|
---|
605 | \*======================================================================*/
|
---|
606 |
|
---|
607 |
|
---|
608 | /*======================================================================*\
|
---|
609 | Function: _striplinks
|
---|
610 | Purpose: strip the hyperlinks from an html document
|
---|
611 | Input: $document document to strip.
|
---|
612 | Output: $match an array of the links
|
---|
613 | \*======================================================================*/
|
---|
614 |
|
---|
615 | function _striplinks($document)
|
---|
616 | {
|
---|
617 | preg_match_all("'<\s*a\s.*?href\s*=\s* # find <a href=
|
---|
618 | ([\"\'])? # find single or double quote
|
---|
619 | (?(1) (.*?)\\1 | ([^\s\>]+)) # if quote found, match up to next matching
|
---|
620 | # quote, otherwise match up to next space
|
---|
621 | 'isx",$document,$links);
|
---|
622 |
|
---|
623 |
|
---|
624 | // catenate the non-empty matches from the conditional subpattern
|
---|
625 |
|
---|
626 | while(list($key,$val) = each($links[2]))
|
---|
627 | {
|
---|
628 | if(!empty($val))
|
---|
629 | $match[] = $val;
|
---|
630 | }
|
---|
631 |
|
---|
632 | while(list($key,$val) = each($links[3]))
|
---|
633 | {
|
---|
634 | if(!empty($val))
|
---|
635 | $match[] = $val;
|
---|
636 | }
|
---|
637 |
|
---|
638 | // return the links
|
---|
639 | return $match;
|
---|
640 | }
|
---|
641 |
|
---|
642 | /*======================================================================*\
|
---|
643 | Function: _stripform
|
---|
644 | Purpose: strip the form elements from an html document
|
---|
645 | Input: $document document to strip.
|
---|
646 | Output: $match an array of the links
|
---|
647 | \*======================================================================*/
|
---|
648 |
|
---|
649 | function _stripform($document)
|
---|
650 | {
|
---|
651 | preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi",$document,$elements);
|
---|
652 |
|
---|
653 | // catenate the matches
|
---|
654 | $match = implode("\r\n",$elements[0]);
|
---|
655 |
|
---|
656 | // return the links
|
---|
657 | return $match;
|
---|
658 | }
|
---|
659 |
|
---|
660 |
|
---|
661 |
|
---|
662 | /*======================================================================*\
|
---|
663 | Function: _striptext
|
---|
664 | Purpose: strip the text from an html document
|
---|
665 | Input: $document document to strip.
|
---|
666 | Output: $text the resulting text
|
---|
667 | \*======================================================================*/
|
---|
668 |
|
---|
669 | function _striptext($document)
|
---|
670 | {
|
---|
671 |
|
---|
672 | // I didn't use preg eval (//e) since that is only available in PHP 4.0.
|
---|
673 | // so, list your entities one by one here. I included some of the
|
---|
674 | // more common ones.
|
---|
675 |
|
---|
676 | $search = array("'<script[^>]*?>.*?</script>'si", // strip out javascript
|
---|
677 | "'<[\/\!]*?[^<>]*?>'si", // strip out html tags
|
---|
678 | "'([\r\n])[\s]+'", // strip out white space
|
---|
679 | "'&(quot|#34|#034|#x22);'i", // replace html entities
|
---|
680 | "'&(amp|#38|#038|#x26);'i", // added hexadecimal values
|
---|
681 | "'&(lt|#60|#060|#x3c);'i",
|
---|
682 | "'&(gt|#62|#062|#x3e);'i",
|
---|
683 | "'&(nbsp|#160|#xa0);'i",
|
---|
684 | "'&(iexcl|#161);'i",
|
---|
685 | "'&(cent|#162);'i",
|
---|
686 | "'&(pound|#163);'i",
|
---|
687 | "'&(copy|#169);'i",
|
---|
688 | "'&(reg|#174);'i",
|
---|
689 | "'&(deg|#176);'i",
|
---|
690 | "'&(#39|#039|#x27);'",
|
---|
691 | "'&(euro|#8364);'i", // europe
|
---|
692 | "'&a(uml|UML);'", // german
|
---|
693 | "'&o(uml|UML);'",
|
---|
694 | "'&u(uml|UML);'",
|
---|
695 | "'&A(uml|UML);'",
|
---|
696 | "'&O(uml|UML);'",
|
---|
697 | "'&U(uml|UML);'",
|
---|
698 | "'ß'i",
|
---|
699 | );
|
---|
700 | $replace = array( "",
|
---|
701 | "",
|
---|
702 | "\\1",
|
---|
703 | "\"",
|
---|
704 | "&",
|
---|
705 | "<",
|
---|
706 | ">",
|
---|
707 | " ",
|
---|
708 | chr(161),
|
---|
709 | chr(162),
|
---|
710 | chr(163),
|
---|
711 | chr(169),
|
---|
712 | chr(174),
|
---|
713 | chr(176),
|
---|
714 | chr(39),
|
---|
715 | chr(128),
|
---|
716 | "ä",
|
---|
717 | "ö",
|
---|
718 | "ü",
|
---|
719 | "Ä",
|
---|
720 | "Ö",
|
---|
721 | "Ü",
|
---|
722 | "ß",
|
---|
723 | );
|
---|
724 |
|
---|
725 | $text = preg_replace($search,$replace,$document);
|
---|
726 |
|
---|
727 | return $text;
|
---|
728 | }
|
---|
729 |
|
---|
730 | /*======================================================================*\
|
---|
731 | Function: _expandlinks
|
---|
732 | Purpose: expand each link into a fully qualified URL
|
---|
733 | Input: $links the links to qualify
|
---|
734 | $URI the full URI to get the base from
|
---|
735 | Output: $expandedLinks the expanded links
|
---|
736 | \*======================================================================*/
|
---|
737 |
|
---|
738 | function _expandlinks($links,$URI)
|
---|
739 | {
|
---|
740 |
|
---|
741 | preg_match("/^[^\?]+/",$URI,$match);
|
---|
742 |
|
---|
743 | $match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]);
|
---|
744 | $match = preg_replace("|/$|","",$match);
|
---|
745 | $match_part = parse_url($match);
|
---|
746 | $match_root =
|
---|
747 | $match_part["scheme"]."://".$match_part["host"];
|
---|
748 |
|
---|
749 | $search = array( "|^http://".preg_quote($this->host)."|i",
|
---|
750 | "|^(\/)|i",
|
---|
751 | "|^(?!http://)(?!mailto:)|i",
|
---|
752 | "|/\./|",
|
---|
753 | "|/[^\/]+/\.\./|"
|
---|
754 | );
|
---|
755 |
|
---|
756 | $replace = array( "",
|
---|
757 | $match_root."/",
|
---|
758 | $match."/",
|
---|
759 | "/",
|
---|
760 | "/"
|
---|
761 | );
|
---|
762 |
|
---|
763 | $expandedLinks = preg_replace($search,$replace,$links);
|
---|
764 |
|
---|
765 | return $expandedLinks;
|
---|
766 | }
|
---|
767 |
|
---|
768 | /*======================================================================*\
|
---|
769 | Function: _httprequest
|
---|
770 | Purpose: go get the http data from the server
|
---|
771 | Input: $url the url to fetch
|
---|
772 | $fp the current open file pointer
|
---|
773 | $URI the full URI
|
---|
774 | $body body contents to send if any (POST)
|
---|
775 | Output:
|
---|
776 | \*======================================================================*/
|
---|
777 |
|
---|
778 | function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="")
|
---|
779 | {
|
---|
780 | $cookie_headers = '';
|
---|
781 | if($this->passcookies && $this->_redirectaddr)
|
---|
782 | $this->setcookies();
|
---|
783 |
|
---|
784 | $URI_PARTS = parse_url($URI);
|
---|
785 | if(empty($url))
|
---|
786 | $url = "/";
|
---|
787 | $headers = $http_method." ".$url." ".$this->_httpversion."\r\n";
|
---|
788 | if(!empty($this->agent))
|
---|
789 | $headers .= "User-Agent: ".$this->agent."\r\n";
|
---|
790 | if(!empty($this->host) && !isset($this->rawheaders['Host'])) {
|
---|
791 | $headers .= "Host: ".$this->host;
|
---|
792 | if(!empty($this->port) && $this->port != 80)
|
---|
793 | $headers .= ":".$this->port;
|
---|
794 | $headers .= "\r\n";
|
---|
795 | }
|
---|
796 | if(!empty($this->accept))
|
---|
797 | $headers .= "Accept: ".$this->accept."\r\n";
|
---|
798 | if(!empty($this->referer))
|
---|
799 | $headers .= "Referer: ".$this->referer."\r\n";
|
---|
800 | if(!empty($this->cookies))
|
---|
801 | {
|
---|
802 | if(!is_array($this->cookies))
|
---|
803 | $this->cookies = (array)$this->cookies;
|
---|
804 |
|
---|
805 | reset($this->cookies);
|
---|
806 | if ( count($this->cookies) > 0 ) {
|
---|
807 | $cookie_headers .= 'Cookie: ';
|
---|
808 | foreach ( $this->cookies as $cookieKey => $cookieVal ) {
|
---|
809 | $cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; ";
|
---|
810 | }
|
---|
811 | $headers .= substr($cookie_headers,0,-2) . "\r\n";
|
---|
812 | }
|
---|
813 | }
|
---|
814 | if(!empty($this->rawheaders))
|
---|
815 | {
|
---|
816 | if(!is_array($this->rawheaders))
|
---|
817 | $this->rawheaders = (array)$this->rawheaders;
|
---|
818 | while(list($headerKey,$headerVal) = each($this->rawheaders))
|
---|
819 | $headers .= $headerKey.": ".$headerVal."\r\n";
|
---|
820 | }
|
---|
821 | if(!empty($content_type)) {
|
---|
822 | $headers .= "Content-type: $content_type";
|
---|
823 | if ($content_type == "multipart/form-data")
|
---|
824 | $headers .= "; boundary=".$this->_mime_boundary;
|
---|
825 | $headers .= "\r\n";
|
---|
826 | }
|
---|
827 | if(!empty($body))
|
---|
828 | $headers .= "Content-length: ".strlen($body)."\r\n";
|
---|
829 | if(!empty($this->user) || !empty($this->pass))
|
---|
830 | $headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n";
|
---|
831 |
|
---|
832 | //add proxy auth headers
|
---|
833 | if(!empty($this->proxy_user))
|
---|
834 | $headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass)."\r\n";
|
---|
835 |
|
---|
836 |
|
---|
837 | $headers .= "\r\n";
|
---|
838 |
|
---|
839 | // set the read timeout if needed
|
---|
840 | if ($this->read_timeout > 0)
|
---|
841 | socket_set_timeout($fp, $this->read_timeout);
|
---|
842 | $this->timed_out = false;
|
---|
843 |
|
---|
844 | fwrite($fp,$headers.$body,strlen($headers.$body));
|
---|
845 |
|
---|
846 | $this->_redirectaddr = false;
|
---|
847 | unset($this->headers);
|
---|
848 |
|
---|
849 | while($currentHeader = fgets($fp,$this->_maxlinelen))
|
---|
850 | {
|
---|
851 | if ($this->read_timeout > 0 && $this->_check_timeout($fp))
|
---|
852 | {
|
---|
853 | $this->status=-100;
|
---|
854 | return false;
|
---|
855 | }
|
---|
856 |
|
---|
857 | if($currentHeader == "\r\n")
|
---|
858 | break;
|
---|
859 |
|
---|
860 | // if a header begins with Location: or URI:, set the redirect
|
---|
861 | if(preg_match("/^(Location:|URI:)/i",$currentHeader))
|
---|
862 | {
|
---|
863 | // get URL portion of the redirect
|
---|
864 | preg_match("/^(Location:|URI:)[ ]+(.*)/i",chop($currentHeader),$matches);
|
---|
865 | // look for :// in the Location header to see if hostname is included
|
---|
866 | if(!preg_match("|\:\/\/|",$matches[2]))
|
---|
867 | {
|
---|
868 | // no host in the path, so prepend
|
---|
869 | $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
|
---|
870 | // eliminate double slash
|
---|
871 | if(!preg_match("|^/|",$matches[2]))
|
---|
872 | $this->_redirectaddr .= "/".$matches[2];
|
---|
873 | else
|
---|
874 | $this->_redirectaddr .= $matches[2];
|
---|
875 | }
|
---|
876 | else
|
---|
877 | $this->_redirectaddr = $matches[2];
|
---|
878 | }
|
---|
879 |
|
---|
880 | if(preg_match("|^HTTP/|",$currentHeader))
|
---|
881 | {
|
---|
882 | if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status))
|
---|
883 | {
|
---|
884 | $this->status= $status[1];
|
---|
885 | }
|
---|
886 | $this->response_code = $currentHeader;
|
---|
887 | }
|
---|
888 |
|
---|
889 | $this->headers[] = $currentHeader;
|
---|
890 | }
|
---|
891 |
|
---|
892 | $results = '';
|
---|
893 | do {
|
---|
894 | $_data = fread($fp, $this->maxlength);
|
---|
895 | if (strlen($_data) == 0) {
|
---|
896 | break;
|
---|
897 | }
|
---|
898 | $results .= $_data;
|
---|
899 | } while(true);
|
---|
900 |
|
---|
901 | if ($this->read_timeout > 0 && $this->_check_timeout($fp))
|
---|
902 | {
|
---|
903 | $this->status=-100;
|
---|
904 | return false;
|
---|
905 | }
|
---|
906 |
|
---|
907 | // check if there is a a redirect meta tag
|
---|
908 |
|
---|
909 | if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
|
---|
910 |
|
---|
911 | {
|
---|
912 | $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
|
---|
913 | }
|
---|
914 |
|
---|
915 | // have we hit our frame depth and is there frame src to fetch?
|
---|
916 | if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
|
---|
917 | {
|
---|
918 | $this->results[] = $results;
|
---|
919 | for($x=0; $x<count($match[1]); $x++)
|
---|
920 | $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
|
---|
921 | }
|
---|
922 | // have we already fetched framed content?
|
---|
923 | elseif(is_array($this->results))
|
---|
924 | $this->results[] = $results;
|
---|
925 | // no framed content
|
---|
926 | else
|
---|
927 | $this->results = $results;
|
---|
928 |
|
---|
929 | return true;
|
---|
930 | }
|
---|
931 |
|
---|
932 | /*======================================================================*\
|
---|
933 | Function: _httpsrequest
|
---|
934 | Purpose: go get the https data from the server using curl
|
---|
935 | Input: $url the url to fetch
|
---|
936 | $URI the full URI
|
---|
937 | $body body contents to send if any (POST)
|
---|
938 | Output:
|
---|
939 | \*======================================================================*/
|
---|
940 |
|
---|
941 | function _httpsrequest($url,$URI,$http_method,$content_type="",$body="")
|
---|
942 | {
|
---|
943 | if($this->passcookies && $this->_redirectaddr)
|
---|
944 | $this->setcookies();
|
---|
945 |
|
---|
946 | $headers = array();
|
---|
947 |
|
---|
948 | $URI_PARTS = parse_url($URI);
|
---|
949 | if(empty($url))
|
---|
950 | $url = "/";
|
---|
951 | // GET ... header not needed for curl
|
---|
952 | //$headers[] = $http_method." ".$url." ".$this->_httpversion;
|
---|
953 | if(!empty($this->agent))
|
---|
954 | $headers[] = "User-Agent: ".$this->agent;
|
---|
955 | if(!empty($this->host))
|
---|
956 | if(!empty($this->port))
|
---|
957 | $headers[] = "Host: ".$this->host.":".$this->port;
|
---|
958 | else
|
---|
959 | $headers[] = "Host: ".$this->host;
|
---|
960 | if(!empty($this->accept))
|
---|
961 | $headers[] = "Accept: ".$this->accept;
|
---|
962 | if(!empty($this->referer))
|
---|
963 | $headers[] = "Referer: ".$this->referer;
|
---|
964 | if(!empty($this->cookies))
|
---|
965 | {
|
---|
966 | if(!is_array($this->cookies))
|
---|
967 | $this->cookies = (array)$this->cookies;
|
---|
968 |
|
---|
969 | reset($this->cookies);
|
---|
970 | if ( count($this->cookies) > 0 ) {
|
---|
971 | $cookie_str = 'Cookie: ';
|
---|
972 | foreach ( $this->cookies as $cookieKey => $cookieVal ) {
|
---|
973 | $cookie_str .= $cookieKey."=".urlencode($cookieVal)."; ";
|
---|
974 | }
|
---|
975 | $headers[] = substr($cookie_str,0,-2);
|
---|
976 | }
|
---|
977 | }
|
---|
978 | if(!empty($this->rawheaders))
|
---|
979 | {
|
---|
980 | if(!is_array($this->rawheaders))
|
---|
981 | $this->rawheaders = (array)$this->rawheaders;
|
---|
982 | while(list($headerKey,$headerVal) = each($this->rawheaders))
|
---|
983 | $headers[] = $headerKey.": ".$headerVal;
|
---|
984 | }
|
---|
985 | if(!empty($content_type)) {
|
---|
986 | if ($content_type == "multipart/form-data")
|
---|
987 | $headers[] = "Content-type: $content_type; boundary=".$this->_mime_boundary;
|
---|
988 | else
|
---|
989 | $headers[] = "Content-type: $content_type";
|
---|
990 | }
|
---|
991 | if(!empty($body))
|
---|
992 | $headers[] = "Content-length: ".strlen($body);
|
---|
993 | if(!empty($this->user) || !empty($this->pass))
|
---|
994 | $headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass);
|
---|
995 |
|
---|
996 | for($curr_header = 0; $curr_header < count($headers); $curr_header++) {
|
---|
997 | $safer_header = strtr( $headers[$curr_header], "\"", " " );
|
---|
998 | $cmdline_params .= " -H \"".$safer_header."\"";
|
---|
999 | }
|
---|
1000 |
|
---|
1001 | if(!empty($body))
|
---|
1002 | $cmdline_params .= " -d \"$body\"";
|
---|
1003 |
|
---|
1004 | if($this->read_timeout > 0)
|
---|
1005 | $cmdline_params .= " -m ".$this->read_timeout;
|
---|
1006 |
|
---|
1007 | $headerfile = tempnam($temp_dir, "sno");
|
---|
1008 |
|
---|
1009 | exec($this->curl_path." -k -D \"$headerfile\"".$cmdline_params." \"".escapeshellcmd($URI)."\"",$results,$return);
|
---|
1010 |
|
---|
1011 | if($return)
|
---|
1012 | {
|
---|
1013 | $this->error = "Error: cURL could not retrieve the document, error $return.";
|
---|
1014 | return false;
|
---|
1015 | }
|
---|
1016 |
|
---|
1017 |
|
---|
1018 | $results = implode("\r\n",$results);
|
---|
1019 |
|
---|
1020 | $result_headers = file("$headerfile");
|
---|
1021 |
|
---|
1022 | $this->_redirectaddr = false;
|
---|
1023 | unset($this->headers);
|
---|
1024 |
|
---|
1025 | for($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++)
|
---|
1026 | {
|
---|
1027 |
|
---|
1028 | // if a header begins with Location: or URI:, set the redirect
|
---|
1029 | if(preg_match("/^(Location: |URI: )/i",$result_headers[$currentHeader]))
|
---|
1030 | {
|
---|
1031 | // get URL portion of the redirect
|
---|
1032 | preg_match("/^(Location: |URI:)\s+(.*)/",chop($result_headers[$currentHeader]),$matches);
|
---|
1033 | // look for :// in the Location header to see if hostname is included
|
---|
1034 | if(!preg_match("|\:\/\/|",$matches[2]))
|
---|
1035 | {
|
---|
1036 | // no host in the path, so prepend
|
---|
1037 | $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
|
---|
1038 | // eliminate double slash
|
---|
1039 | if(!preg_match("|^/|",$matches[2]))
|
---|
1040 | $this->_redirectaddr .= "/".$matches[2];
|
---|
1041 | else
|
---|
1042 | $this->_redirectaddr .= $matches[2];
|
---|
1043 | }
|
---|
1044 | else
|
---|
1045 | $this->_redirectaddr = $matches[2];
|
---|
1046 | }
|
---|
1047 |
|
---|
1048 | if(preg_match("|^HTTP/|",$result_headers[$currentHeader]))
|
---|
1049 | $this->response_code = $result_headers[$currentHeader];
|
---|
1050 |
|
---|
1051 | $this->headers[] = $result_headers[$currentHeader];
|
---|
1052 | }
|
---|
1053 |
|
---|
1054 | // check if there is a a redirect meta tag
|
---|
1055 |
|
---|
1056 | if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
|
---|
1057 | {
|
---|
1058 | $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
|
---|
1059 | }
|
---|
1060 |
|
---|
1061 | // have we hit our frame depth and is there frame src to fetch?
|
---|
1062 | if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
|
---|
1063 | {
|
---|
1064 | $this->results[] = $results;
|
---|
1065 | for($x=0; $x<count($match[1]); $x++)
|
---|
1066 | $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
|
---|
1067 | }
|
---|
1068 | // have we already fetched framed content?
|
---|
1069 | elseif(is_array($this->results))
|
---|
1070 | $this->results[] = $results;
|
---|
1071 | // no framed content
|
---|
1072 | else
|
---|
1073 | $this->results = $results;
|
---|
1074 |
|
---|
1075 | unlink("$headerfile");
|
---|
1076 |
|
---|
1077 | return true;
|
---|
1078 | }
|
---|
1079 |
|
---|
1080 | /*======================================================================*\
|
---|
1081 | Function: setcookies()
|
---|
1082 | Purpose: set cookies for a redirection
|
---|
1083 | \*======================================================================*/
|
---|
1084 |
|
---|
1085 | function setcookies()
|
---|
1086 | {
|
---|
1087 | for($x=0; $x<count($this->headers); $x++)
|
---|
1088 | {
|
---|
1089 | if(preg_match('/^set-cookie:[\s]+([^=]+)=([^;]+)/i', $this->headers[$x],$match))
|
---|
1090 | $this->cookies[$match[1]] = urldecode($match[2]);
|
---|
1091 | }
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 |
|
---|
1095 | /*======================================================================*\
|
---|
1096 | Function: _check_timeout
|
---|
1097 | Purpose: checks whether timeout has occurred
|
---|
1098 | Input: $fp file pointer
|
---|
1099 | \*======================================================================*/
|
---|
1100 |
|
---|
1101 | function _check_timeout($fp)
|
---|
1102 | {
|
---|
1103 | if ($this->read_timeout > 0) {
|
---|
1104 | $fp_status = socket_get_status($fp);
|
---|
1105 | if ($fp_status["timed_out"]) {
|
---|
1106 | $this->timed_out = true;
|
---|
1107 | return true;
|
---|
1108 | }
|
---|
1109 | }
|
---|
1110 | return false;
|
---|
1111 | }
|
---|
1112 |
|
---|
1113 | /*======================================================================*\
|
---|
1114 | Function: _connect
|
---|
1115 | Purpose: make a socket connection
|
---|
1116 | Input: $fp file pointer
|
---|
1117 | \*======================================================================*/
|
---|
1118 |
|
---|
1119 | function _connect(&$fp)
|
---|
1120 | {
|
---|
1121 | if(!empty($this->proxy_host) && !empty($this->proxy_port))
|
---|
1122 | {
|
---|
1123 | $this->_isproxy = true;
|
---|
1124 |
|
---|
1125 | $host = $this->proxy_host;
|
---|
1126 | $port = $this->proxy_port;
|
---|
1127 | }
|
---|
1128 | else
|
---|
1129 | {
|
---|
1130 | $host = $this->host;
|
---|
1131 | $port = $this->port;
|
---|
1132 | }
|
---|
1133 |
|
---|
1134 | $this->status = 0;
|
---|
1135 |
|
---|
1136 | if($fp = fsockopen(
|
---|
1137 | $host,
|
---|
1138 | $port,
|
---|
1139 | $errno,
|
---|
1140 | $errstr,
|
---|
1141 | $this->_fp_timeout
|
---|
1142 | ))
|
---|
1143 | {
|
---|
1144 | // socket connection succeeded
|
---|
1145 |
|
---|
1146 | return true;
|
---|
1147 | }
|
---|
1148 | else
|
---|
1149 | {
|
---|
1150 | // socket connection failed
|
---|
1151 | $this->status = $errno;
|
---|
1152 | switch($errno)
|
---|
1153 | {
|
---|
1154 | case -3:
|
---|
1155 | $this->error="socket creation failed (-3)";
|
---|
1156 | case -4:
|
---|
1157 | $this->error="dns lookup failure (-4)";
|
---|
1158 | case -5:
|
---|
1159 | $this->error="connection refused or timed out (-5)";
|
---|
1160 | default:
|
---|
1161 | $this->error="connection failed (".$errno.")";
|
---|
1162 | }
|
---|
1163 | return false;
|
---|
1164 | }
|
---|
1165 | }
|
---|
1166 | /*======================================================================*\
|
---|
1167 | Function: _disconnect
|
---|
1168 | Purpose: disconnect a socket connection
|
---|
1169 | Input: $fp file pointer
|
---|
1170 | \*======================================================================*/
|
---|
1171 |
|
---|
1172 | function _disconnect($fp)
|
---|
1173 | {
|
---|
1174 | return(fclose($fp));
|
---|
1175 | }
|
---|
1176 |
|
---|
1177 |
|
---|
1178 | /*======================================================================*\
|
---|
1179 | Function: _prepare_post_body
|
---|
1180 | Purpose: Prepare post body according to encoding type
|
---|
1181 | Input: $formvars - form variables
|
---|
1182 | $formfiles - form upload files
|
---|
1183 | Output: post body
|
---|
1184 | \*======================================================================*/
|
---|
1185 |
|
---|
1186 | function _prepare_post_body($formvars, $formfiles)
|
---|
1187 | {
|
---|
1188 | settype($formvars, "array");
|
---|
1189 | settype($formfiles, "array");
|
---|
1190 | $postdata = '';
|
---|
1191 |
|
---|
1192 | if (count($formvars) == 0 && count($formfiles) == 0)
|
---|
1193 | return;
|
---|
1194 |
|
---|
1195 | switch ($this->_submit_type) {
|
---|
1196 | case "application/x-www-form-urlencoded":
|
---|
1197 | reset($formvars);
|
---|
1198 | while(list($key,$val) = each($formvars)) {
|
---|
1199 | if (is_array($val) || is_object($val)) {
|
---|
1200 | while (list($cur_key, $cur_val) = each($val)) {
|
---|
1201 | $postdata .= urlencode($key)."[]=".urlencode($cur_val)."&";
|
---|
1202 | }
|
---|
1203 | } else
|
---|
1204 | $postdata .= urlencode($key)."=".urlencode($val)."&";
|
---|
1205 | }
|
---|
1206 | break;
|
---|
1207 |
|
---|
1208 | case "multipart/form-data":
|
---|
1209 | $this->_mime_boundary = "Snoopy".md5(uniqid(microtime()));
|
---|
1210 |
|
---|
1211 | reset($formvars);
|
---|
1212 | while(list($key,$val) = each($formvars)) {
|
---|
1213 | if (is_array($val) || is_object($val)) {
|
---|
1214 | while (list($cur_key, $cur_val) = each($val)) {
|
---|
1215 | $postdata .= "--".$this->_mime_boundary."\r\n";
|
---|
1216 | $postdata .= "Content-Disposition: form-data; name=\"$key\[\]\"\r\n\r\n";
|
---|
1217 | $postdata .= "$cur_val\r\n";
|
---|
1218 | }
|
---|
1219 | } else {
|
---|
1220 | $postdata .= "--".$this->_mime_boundary."\r\n";
|
---|
1221 | $postdata .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n";
|
---|
1222 | $postdata .= "$val\r\n";
|
---|
1223 | }
|
---|
1224 | }
|
---|
1225 |
|
---|
1226 | reset($formfiles);
|
---|
1227 | while (list($field_name, $file_names) = each($formfiles)) {
|
---|
1228 | settype($file_names, "array");
|
---|
1229 | while (list(, $file_name) = each($file_names)) {
|
---|
1230 | if (!is_readable($file_name)) continue;
|
---|
1231 |
|
---|
1232 | $fp = fopen($file_name, "r");
|
---|
1233 | $file_content = fread($fp, filesize($file_name));
|
---|
1234 | fclose($fp);
|
---|
1235 | $base_name = basename($file_name);
|
---|
1236 |
|
---|
1237 | $postdata .= "--".$this->_mime_boundary."\r\n";
|
---|
1238 | $postdata .= "Content-Disposition: form-data; name=\"$field_name\"; filename=\"$base_name\"\r\n\r\n";
|
---|
1239 | $postdata .= "$file_content\r\n";
|
---|
1240 | }
|
---|
1241 | }
|
---|
1242 | $postdata .= "--".$this->_mime_boundary."--\r\n";
|
---|
1243 | break;
|
---|
1244 | }
|
---|
1245 |
|
---|
1246 | return $postdata;
|
---|
1247 | }
|
---|
1248 | }
|
---|
1249 | endif;
|
---|
1250 | ?>
|
---|