XOOPS /
XoopsCore25
| Total Complexity | 222 |
| Total Lines | 1234 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Snoopy often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Snoopy, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 47 | class Snoopy |
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| 48 | { |
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| 49 | public function __construct() |
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| 50 | { |
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| 51 | $GLOBALS['xoopsLogger']->addDeprecated("Use of Snoopy in XOOPS is deprecated and has been replaced in core with XoopsHttpGet. Snoopy will be removed in future versions.."); |
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| 52 | } |
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| 53 | |||
| 54 | /**** Public variables ****/ |
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| 55 | |||
| 56 | /* user definable vars */ |
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| 57 | |||
| 58 | public $host = "www.php.net"; // host name we are connecting to |
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| 59 | public $port = 80; // port we are connecting to |
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| 60 | public $proxy_host = ""; // proxy host to use |
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| 61 | public $proxy_port = ""; // proxy port to use |
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| 62 | public $proxy_user = ""; // proxy user to use |
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| 63 | public $proxy_pass = ""; // proxy password to use |
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| 64 | |||
| 65 | public $agent = "Snoopy v1.2.5"; // agent we masquerade as |
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| 66 | public $referer = ""; // referer info to pass |
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| 67 | public $cookies = []; // array of cookies to pass |
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| 68 | // $cookies["username"]="joe"; |
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| 69 | public $rawheaders = []; // array of raw headers to send |
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| 70 | // $rawheaders["Content-type"]="text/html"; |
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| 71 | |||
| 72 | public $maxredirs = 5; // http redirection depth maximum. 0 = disallow |
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| 73 | public $lastredirectaddr = ""; // contains address of last redirected address |
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| 74 | public $offsiteok = true; // allows redirection off-site |
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| 75 | public $maxframes = 0; // frame content depth maximum. 0 = disallow |
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| 76 | public $expandlinks = true; // expand links to fully qualified URLs. |
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| 77 | // this only applies to fetchlinks() |
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| 78 | // submitlinks(), and submittext() |
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| 79 | public $passcookies = true; // pass set cookies back through redirects |
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| 80 | // NOTE: this currently does not respect |
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| 81 | // dates, domains or paths. |
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| 82 | |||
| 83 | public $user = ""; // user for http authentication |
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| 84 | public $pass = ""; // password for http authentication |
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| 85 | |||
| 86 | // http accept types |
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| 87 | public $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*"; |
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| 88 | |||
| 89 | public $results = []; // where the content is put |
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| 90 | |||
| 91 | public $error = ""; // error messages sent here |
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| 92 | public $response_code = ""; // response code returned from server |
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| 93 | public $headers = []; // headers returned from server sent here |
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| 94 | public $maxlength = 500000; // max return data length (body) |
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| 95 | public $read_timeout = 0; // timeout on read operations, in seconds |
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| 96 | // supported only since PHP 4 Beta 4 |
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| 97 | // set to 0 to disallow timeouts |
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| 98 | public $timed_out = false; // if a read operation timed out |
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| 99 | public $status = 0; // http request status |
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| 100 | |||
| 101 | public $temp_dir = "/tmp"; // temporary directory that the webserver |
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| 102 | // has permission to write to. |
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| 103 | // under Windows, this should be C:\temp |
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| 104 | |||
| 105 | public $curl_path = "/usr/bin/curl"; |
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| 106 | // Snoopy will use cURL for fetching |
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| 107 | // SSL content if a full system path to |
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| 108 | // the cURL binary is supplied here. |
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| 109 | // set to false if you do not have |
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| 110 | // cURL installed. See http://curl.haxx.se |
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| 111 | // for details on installing cURL. |
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| 112 | // Snoopy does *not* use the cURL |
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| 113 | // library functions built into php, |
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| 114 | // as these functions are not stable |
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| 115 | // as of this Snoopy release. |
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| 116 | |||
| 117 | // send Accept-encoding: gzip? |
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| 118 | public $use_gzip = true; |
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| 119 | /**** Private variables ****/ |
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| 120 | |||
| 121 | public $_maxlinelen = 4096; // max line length (headers) |
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| 122 | |||
| 123 | public $_httpmethod = "GET"; // default http request method |
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| 124 | public $_httpversion = "HTTP/1.0"; // default http request version |
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| 125 | public $_submit_method = "POST"; // default submit method |
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| 126 | public $_submit_type = "application/x-www-form-urlencoded"; // default submit type |
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| 127 | public $_mime_boundary = ""; // MIME boundary for multipart/form-data submit type |
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| 128 | public $_redirectaddr = false; // will be set if page fetched is a redirect |
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| 129 | public $_redirectdepth = 0; // increments on an http redirect |
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| 130 | public $_frameurls = []; // frame src urls |
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| 131 | public $_framedepth = 0; // increments on frame depth |
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| 132 | |||
| 133 | public $_isproxy = false; // set if using a proxy server |
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| 134 | public $_fp_timeout = 30; // timeout for socket connection |
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| 135 | |||
| 136 | /*======================================================================*\ |
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| 137 | Function: fetch |
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| 138 | Purpose: fetch the contents of a web page |
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| 139 | (and possibly other protocols in the |
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| 140 | future like ftp, nntp, gopher, etc.) |
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| 141 | Input: $URI the location of the page to fetch |
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| 142 | Output: $this->results the output text from the fetch |
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| 143 | \*======================================================================*/ |
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| 144 | |||
| 145 | public function fetch($URI) |
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| 146 | { |
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| 147 | |||
| 148 | //preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$URI,$URI_PARTS); |
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| 149 | $URI_PARTS = parse_url($URI); |
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| 150 | if (!empty($URI_PARTS["user"])) { |
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| 151 | $this->user = $URI_PARTS["user"]; |
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| 152 | } |
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| 153 | if (!empty($URI_PARTS["pass"])) { |
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| 154 | $this->pass = $URI_PARTS["pass"]; |
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| 155 | } |
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| 156 | if (empty($URI_PARTS["query"])) { |
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| 157 | $URI_PARTS["query"] = ''; |
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| 158 | } |
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| 159 | if (empty($URI_PARTS["path"])) { |
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| 160 | $URI_PARTS["path"] = ''; |
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| 161 | } |
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| 162 | |||
| 163 | switch (strtolower($URI_PARTS["scheme"])) { |
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| 164 | case "http": |
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| 165 | $this->host = $URI_PARTS["host"]; |
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| 166 | if (!empty($URI_PARTS["port"])) { |
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| 167 | $this->port = $URI_PARTS["port"]; |
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| 168 | } |
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| 169 | if ($this->_connect($fp)) { |
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| 170 | if ($this->_isproxy) { |
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| 171 | // using proxy, send entire URI |
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| 172 | $this->_httprequest($URI, $fp, $URI, $this->_httpmethod); |
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| 173 | } else { |
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| 174 | $path = $URI_PARTS["path"] . ($URI_PARTS["query"] ? "?" . $URI_PARTS["query"] : ""); |
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| 175 | // no proxy, send only the path |
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| 176 | $this->_httprequest($path, $fp, $URI, $this->_httpmethod); |
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| 177 | } |
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| 178 | |||
| 179 | $this->_disconnect($fp); |
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| 180 | |||
| 181 | if ($this->_redirectaddr) { |
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| 182 | /* url was redirected, check if we've hit the max depth */ |
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| 183 | if ($this->maxredirs > $this->_redirectdepth) { |
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| 184 | // only follow redirect if it's on this site, or offsiteok is true |
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| 185 | if (preg_match("|^http://" . preg_quote($this->host) . "|i", $this->_redirectaddr) || $this->offsiteok) { |
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| 186 | /* follow the redirect */ |
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| 187 | $this->_redirectdepth++; |
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| 188 | $this->lastredirectaddr = $this->_redirectaddr; |
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| 189 | $this->fetch($this->_redirectaddr); |
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| 190 | } |
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| 191 | } |
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| 192 | } |
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| 193 | |||
| 194 | if ($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0) { |
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| 195 | $frameurls = $this->_frameurls; |
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| 196 | $this->_frameurls = []; |
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| 197 | |||
| 198 | while (list(, $frameurl) = each($frameurls)) { |
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| 199 | if ($this->_framedepth < $this->maxframes) { |
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| 200 | $this->fetch($frameurl); |
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| 201 | $this->_framedepth++; |
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| 202 | } else { |
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| 203 | break; |
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| 204 | } |
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| 205 | } |
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| 206 | } |
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| 207 | } else { |
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| 208 | return false; |
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| 209 | } |
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| 210 | return true; |
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| 211 | break; |
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| 212 | case "https": |
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| 213 | if (!$this->curl_path) { |
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| 214 | return false; |
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| 215 | } |
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| 216 | if (function_exists("is_executable")) { |
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| 217 | if (!is_executable($this->curl_path)) { |
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| 218 | return false; |
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| 219 | } |
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| 220 | } |
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| 221 | $this->host = $URI_PARTS["host"]; |
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| 222 | if (!empty($URI_PARTS["port"])) { |
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| 223 | $this->port = $URI_PARTS["port"]; |
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| 224 | } |
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| 225 | if ($this->_isproxy) { |
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| 226 | // using proxy, send entire URI |
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| 227 | $this->_httpsrequest($URI, $URI, $this->_httpmethod); |
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| 228 | } else { |
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| 229 | $path = $URI_PARTS["path"] . ($URI_PARTS["query"] ? "?" . $URI_PARTS["query"] : ""); |
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| 230 | // no proxy, send only the path |
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| 231 | $this->_httpsrequest($path, $URI, $this->_httpmethod); |
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| 232 | } |
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| 233 | |||
| 234 | if ($this->_redirectaddr) { |
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| 235 | /* url was redirected, check if we've hit the max depth */ |
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| 236 | if ($this->maxredirs > $this->_redirectdepth) { |
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| 237 | // only follow redirect if it's on this site, or offsiteok is true |
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| 238 | if (preg_match("|^http://" . preg_quote($this->host) . "|i", $this->_redirectaddr) || $this->offsiteok) { |
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| 239 | /* follow the redirect */ |
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| 240 | $this->_redirectdepth++; |
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| 241 | $this->lastredirectaddr = $this->_redirectaddr; |
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| 242 | $this->fetch($this->_redirectaddr); |
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| 243 | } |
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| 244 | } |
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| 245 | } |
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| 246 | |||
| 247 | if ($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0) { |
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| 248 | $frameurls = $this->_frameurls; |
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| 249 | $this->_frameurls = []; |
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| 250 | |||
| 251 | while (list(, $frameurl) = each($frameurls)) { |
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| 252 | if ($this->_framedepth < $this->maxframes) { |
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| 253 | $this->fetch($frameurl); |
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| 254 | $this->_framedepth++; |
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| 255 | } else { |
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| 256 | break; |
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| 257 | } |
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| 258 | } |
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| 259 | } |
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| 260 | return true; |
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| 261 | break; |
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| 262 | default: |
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| 263 | // not a valid protocol |
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| 264 | $this->error = 'Invalid protocol "' . $URI_PARTS["scheme"] . '"\n'; |
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| 265 | return false; |
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| 266 | break; |
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| 267 | } |
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| 268 | return true; |
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| 269 | } |
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| 270 | |||
| 271 | /*======================================================================*\ |
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| 272 | Function: submit |
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| 273 | Purpose: submit an http form |
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| 274 | Input: $URI the location to post the data |
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| 275 | $formvars the formvars to use. |
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| 276 | format: $formvars["var"] = "val"; |
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| 277 | $formfiles an array of files to submit |
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| 278 | format: $formfiles["var"] = "/dir/filename.ext"; |
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| 279 | Output: $this->results the text output from the post |
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| 280 | \*======================================================================*/ |
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| 281 | |||
| 282 | public function submit($URI, $formvars = "", $formfiles = "") |
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| 283 | { |
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| 284 | unset($postdata); |
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| 285 | |||
| 286 | $postdata = $this->_prepare_post_body($formvars, $formfiles); |
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| 287 | |||
| 288 | $URI_PARTS = parse_url($URI); |
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| 289 | if (!empty($URI_PARTS["user"])) { |
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| 290 | $this->user = $URI_PARTS["user"]; |
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| 291 | } |
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| 292 | if (!empty($URI_PARTS["pass"])) { |
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| 293 | $this->pass = $URI_PARTS["pass"]; |
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| 294 | } |
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| 295 | if (empty($URI_PARTS["query"])) { |
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| 296 | $URI_PARTS["query"] = ''; |
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| 297 | } |
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| 298 | if (empty($URI_PARTS["path"])) { |
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| 299 | $URI_PARTS["path"] = ''; |
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| 300 | } |
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| 301 | |||
| 302 | switch (strtolower($URI_PARTS["scheme"])) { |
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| 303 | case "http": |
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| 304 | $this->host = $URI_PARTS["host"]; |
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| 305 | if (!empty($URI_PARTS["port"])) { |
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| 306 | $this->port = $URI_PARTS["port"]; |
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| 307 | } |
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| 308 | if ($this->_connect($fp)) { |
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| 309 | if ($this->_isproxy) { |
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| 310 | // using proxy, send entire URI |
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| 311 | $this->_httprequest($URI, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata); |
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| 312 | } else { |
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| 313 | $path = $URI_PARTS["path"] . ($URI_PARTS["query"] ? "?" . $URI_PARTS["query"] : ""); |
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| 314 | // no proxy, send only the path |
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| 315 | $this->_httprequest($path, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata); |
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| 316 | } |
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| 317 | |||
| 318 | $this->_disconnect($fp); |
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| 319 | |||
| 320 | if ($this->_redirectaddr) { |
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| 321 | /* url was redirected, check if we've hit the max depth */ |
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| 322 | if ($this->maxredirs > $this->_redirectdepth) { |
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| 323 | if (!preg_match("|^" . $URI_PARTS["scheme"] . "://|", $this->_redirectaddr)) { |
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| 324 | $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr, $URI_PARTS["scheme"] . "://" . $URI_PARTS["host"]); |
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| 325 | } |
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| 326 | |||
| 327 | // only follow redirect if it's on this site, or offsiteok is true |
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| 328 | if (preg_match("|^http://" . preg_quote($this->host) . "|i", $this->_redirectaddr) || $this->offsiteok) { |
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| 329 | /* follow the redirect */ |
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| 330 | $this->_redirectdepth++; |
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| 331 | $this->lastredirectaddr = $this->_redirectaddr; |
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| 332 | if (strpos($this->_redirectaddr, "?") > 0) { |
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| 333 | $this->fetch($this->_redirectaddr); |
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| 334 | } // the redirect has changed the request method from post to get |
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| 335 | else { |
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| 336 | $this->submit($this->_redirectaddr, $formvars, $formfiles); |
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| 337 | } |
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| 338 | } |
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| 339 | } |
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| 340 | } |
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| 341 | |||
| 342 | if ($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0) { |
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| 343 | $frameurls = $this->_frameurls; |
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| 344 | $this->_frameurls = []; |
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| 345 | |||
| 346 | while (list(, $frameurl) = each($frameurls)) { |
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| 347 | if ($this->_framedepth < $this->maxframes) { |
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| 348 | $this->fetch($frameurl); |
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| 349 | $this->_framedepth++; |
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| 350 | } else { |
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| 351 | break; |
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| 352 | } |
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| 353 | } |
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| 354 | } |
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| 355 | |||
| 356 | } else { |
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| 357 | return false; |
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| 358 | } |
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| 359 | return true; |
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| 360 | break; |
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| 361 | case "https": |
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| 362 | if (!$this->curl_path) { |
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| 363 | return false; |
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| 364 | } |
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| 365 | if (function_exists("is_executable")) { |
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| 366 | if (!is_executable($this->curl_path)) { |
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| 367 | return false; |
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| 368 | } |
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| 369 | } |
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| 370 | $this->host = $URI_PARTS["host"]; |
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| 371 | if (!empty($URI_PARTS["port"])) { |
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| 372 | $this->port = $URI_PARTS["port"]; |
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| 373 | } |
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| 374 | if ($this->_isproxy) { |
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| 375 | // using proxy, send entire URI |
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| 376 | $this->_httpsrequest($URI, $URI, $this->_submit_method, $this->_submit_type, $postdata); |
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| 377 | } else { |
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| 378 | $path = $URI_PARTS["path"] . ($URI_PARTS["query"] ? "?" . $URI_PARTS["query"] : ""); |
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| 379 | // no proxy, send only the path |
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| 380 | $this->_httpsrequest($path, $URI, $this->_submit_method, $this->_submit_type, $postdata); |
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| 381 | } |
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| 382 | |||
| 383 | if ($this->_redirectaddr) { |
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| 384 | /* url was redirected, check if we've hit the max depth */ |
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| 385 | if ($this->maxredirs > $this->_redirectdepth) { |
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| 386 | if (!preg_match("|^" . $URI_PARTS["scheme"] . "://|", $this->_redirectaddr)) { |
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| 387 | $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr, $URI_PARTS["scheme"] . "://" . $URI_PARTS["host"]); |
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| 388 | } |
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| 389 | |||
| 390 | // only follow redirect if it's on this site, or offsiteok is true |
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| 391 | if (preg_match("|^http://" . preg_quote($this->host) . "|i", $this->_redirectaddr) || $this->offsiteok) { |
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| 392 | /* follow the redirect */ |
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| 393 | $this->_redirectdepth++; |
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| 394 | $this->lastredirectaddr = $this->_redirectaddr; |
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| 395 | if (strpos($this->_redirectaddr, "?") > 0) { |
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| 396 | $this->fetch($this->_redirectaddr); |
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| 397 | } // the redirect has changed the request method from post to get |
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| 398 | else { |
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| 399 | $this->submit($this->_redirectaddr, $formvars, $formfiles); |
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| 400 | } |
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| 401 | } |
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| 402 | } |
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| 403 | } |
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| 404 | |||
| 405 | if ($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0) { |
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| 406 | $frameurls = $this->_frameurls; |
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| 407 | $this->_frameurls = []; |
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| 408 | |||
| 409 | while (list(, $frameurl) = each($frameurls)) { |
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| 410 | if ($this->_framedepth < $this->maxframes) { |
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| 411 | $this->fetch($frameurl); |
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| 412 | $this->_framedepth++; |
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| 413 | } else { |
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| 414 | break; |
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| 415 | } |
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| 416 | } |
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| 417 | } |
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| 418 | return true; |
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| 419 | break; |
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| 420 | |||
| 421 | default: |
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| 422 | // not a valid protocol |
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| 423 | $this->error = 'Invalid protocol "' . $URI_PARTS["scheme"] . '"\n'; |
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| 424 | return false; |
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| 425 | break; |
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| 426 | } |
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| 427 | return true; |
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| 428 | } |
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| 429 | |||
| 430 | /*======================================================================*\ |
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| 431 | Function: fetchlinks |
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| 432 | Purpose: fetch the links from a web page |
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| 433 | Input: $URI where you are fetching from |
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| 434 | Output: $this->results an array of the URLs |
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| 435 | \*======================================================================*/ |
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| 436 | |||
| 437 | public function fetchlinks($URI) |
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| 438 | { |
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| 439 | if ($this->fetch($URI)) { |
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| 440 | if ($this->lastredirectaddr) { |
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| 441 | $URI = $this->lastredirectaddr; |
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| 442 | } |
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| 443 | if (is_array($this->results)) { |
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| 444 | for ($x = 0; $x < count($this->results); $x++) { |
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| 445 | $this->results[$x] = $this->_striplinks($this->results[$x]); |
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| 446 | } |
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| 447 | } else { |
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| 448 | $this->results = $this->_striplinks($this->results); |
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| 449 | } |
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| 450 | |||
| 451 | if ($this->expandlinks) { |
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| 452 | $this->results = $this->_expandlinks($this->results, $URI); |
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| 453 | } |
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| 454 | return true; |
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| 455 | } else { |
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| 456 | return false; |
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| 457 | } |
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| 458 | } |
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| 459 | |||
| 460 | /*======================================================================*\ |
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| 461 | Function: fetchform |
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| 462 | Purpose: fetch the form elements from a web page |
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| 463 | Input: $URI where you are fetching from |
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| 464 | Output: $this->results the resulting html form |
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| 465 | \*======================================================================*/ |
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| 466 | |||
| 467 | public function fetchform($URI) |
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| 483 | } |
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| 484 | } |
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| 485 | |||
| 486 | |||
| 487 | /*======================================================================*\ |
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| 488 | Function: fetchtext |
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| 489 | Purpose: fetch the text from a web page, stripping the links |
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| 490 | Input: $URI where you are fetching from |
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| 491 | Output: $this->results the text from the web page |
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| 492 | \*======================================================================*/ |
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| 493 | |||
| 494 | public function fetchtext($URI) |
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| 495 | { |
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| 496 | if ($this->fetch($URI)) { |
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| 497 | if (is_array($this->results)) { |
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| 498 | for ($x = 0; $x < count($this->results); $x++) { |
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| 499 | $this->results[$x] = $this->_striptext($this->results[$x]); |
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| 500 | } |
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| 501 | } else { |
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| 502 | $this->results = $this->_striptext($this->results); |
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| 503 | } |
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| 504 | return true; |
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| 505 | } else { |
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| 506 | return false; |
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| 507 | } |
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| 508 | } |
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| 509 | |||
| 510 | /*======================================================================*\ |
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| 511 | Function: submitlinks |
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| 512 | Purpose: grab links from a form submission |
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| 513 | Input: $URI where you are submitting from |
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| 514 | Output: $this->results an array of the links from the post |
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| 515 | \*======================================================================*/ |
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| 516 | |||
| 517 | public function submitlinks($URI, $formvars = "", $formfiles = "") |
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| 518 | { |
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| 519 | if ($this->submit($URI, $formvars, $formfiles)) { |
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| 520 | if ($this->lastredirectaddr) { |
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| 521 | $URI = $this->lastredirectaddr; |
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| 522 | } |
||
| 523 | if (is_array($this->results)) { |
||
| 524 | for ($x = 0; $x < count($this->results); $x++) { |
||
| 525 | $this->results[$x] = $this->_striplinks($this->results[$x]); |
||
| 526 | if ($this->expandlinks) { |
||
| 527 | $this->results[$x] = $this->_expandlinks($this->results[$x], $URI); |
||
| 528 | } |
||
| 529 | } |
||
| 530 | } else { |
||
| 531 | $this->results = $this->_striplinks($this->results); |
||
| 532 | if ($this->expandlinks) { |
||
| 533 | $this->results = $this->_expandlinks($this->results, $URI); |
||
| 534 | } |
||
| 535 | } |
||
| 536 | return true; |
||
| 537 | } else { |
||
| 538 | return false; |
||
| 539 | } |
||
| 540 | } |
||
| 541 | |||
| 542 | /*======================================================================*\ |
||
| 543 | Function: submittext |
||
| 544 | Purpose: grab text from a form submission |
||
| 545 | Input: $URI where you are submitting from |
||
| 546 | Output: $this->results the text from the web page |
||
| 547 | \*======================================================================*/ |
||
| 548 | |||
| 549 | public function submittext($URI, $formvars = "", $formfiles = "") |
||
| 550 | { |
||
| 551 | if ($this->submit($URI, $formvars, $formfiles)) { |
||
| 552 | if ($this->lastredirectaddr) { |
||
| 553 | $URI = $this->lastredirectaddr; |
||
| 554 | } |
||
| 555 | if (is_array($this->results)) { |
||
| 556 | for ($x = 0; $x < count($this->results); $x++) { |
||
| 557 | $this->results[$x] = $this->_striptext($this->results[$x]); |
||
| 558 | if ($this->expandlinks) { |
||
| 559 | $this->results[$x] = $this->_expandlinks($this->results[$x], $URI); |
||
| 560 | } |
||
| 561 | } |
||
| 562 | } else { |
||
| 563 | $this->results = $this->_striptext($this->results); |
||
| 564 | if ($this->expandlinks) { |
||
| 565 | $this->results = $this->_expandlinks($this->results, $URI); |
||
| 566 | } |
||
| 567 | } |
||
| 568 | return true; |
||
| 569 | } else { |
||
| 570 | return false; |
||
| 571 | } |
||
| 572 | } |
||
| 573 | |||
| 574 | |||
| 575 | /*======================================================================*\ |
||
| 576 | Function: set_submit_multipart |
||
| 577 | Purpose: Set the form submission content type to |
||
| 578 | multipart/form-data |
||
| 579 | \*======================================================================*/ |
||
| 580 | public function set_submit_multipart() |
||
| 581 | { |
||
| 582 | $this->_submit_type = "multipart/form-data"; |
||
| 583 | } |
||
| 584 | |||
| 585 | |||
| 586 | /*======================================================================*\ |
||
| 587 | Function: set_submit_normal |
||
| 588 | Purpose: Set the form submission content type to |
||
| 589 | application/x-www-form-urlencoded |
||
| 590 | \*======================================================================*/ |
||
| 591 | public function set_submit_normal() |
||
| 592 | { |
||
| 593 | $this->_submit_type = "application/x-www-form-urlencoded"; |
||
| 594 | } |
||
| 595 | |||
| 596 | |||
| 597 | |||
| 598 | |||
| 599 | /*======================================================================*\ |
||
| 600 | Private functions |
||
| 601 | \*======================================================================*/ |
||
| 602 | |||
| 603 | |||
| 604 | /*======================================================================*\ |
||
| 605 | Function: _striplinks |
||
| 606 | Purpose: strip the hyperlinks from an HTML document |
||
| 607 | Input: $document document to strip. |
||
| 608 | Output: $match an array of the links |
||
| 609 | \*======================================================================*/ |
||
| 610 | |||
| 611 | public function _striplinks($document) |
||
| 636 | } |
||
| 637 | |||
| 638 | /*======================================================================*\ |
||
| 639 | Function: _stripform |
||
| 640 | Purpose: strip the form elements from an HTML document |
||
| 641 | Input: $document document to strip. |
||
| 642 | Output: $match an array of the links |
||
| 643 | \*======================================================================*/ |
||
| 644 | |||
| 645 | public function _stripform($document) |
||
| 646 | { |
||
| 647 | preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi", $document, $elements); |
||
| 648 | |||
| 649 | // catenate the matches |
||
| 650 | $match = implode("\r\n", $elements[0]); |
||
| 651 | |||
| 652 | // return the links |
||
| 653 | return $match; |
||
| 654 | } |
||
| 655 | |||
| 656 | |||
| 657 | /*======================================================================*\ |
||
| 658 | Function: _striptext |
||
| 659 | Purpose: strip the text from an HTML document |
||
| 660 | Input: $document document to strip. |
||
| 661 | Output: $text the resulting text |
||
| 662 | \*======================================================================*/ |
||
| 663 | |||
| 664 | public function _striptext($document) |
||
| 723 | } |
||
| 724 | |||
| 725 | /*======================================================================*\ |
||
| 726 | Function: _expandlinks |
||
| 727 | Purpose: expand each link into a fully qualified URL |
||
| 728 | Input: $links the links to qualify |
||
| 729 | $URI the full URI to get the base from |
||
| 730 | Output: $expandedLinks the expanded links |
||
| 731 | \*======================================================================*/ |
||
| 732 | |||
| 733 | public function _expandlinks($links, $URI) |
||
| 734 | { |
||
| 735 | |||
| 736 | preg_match("/^[^\?]+/", $URI, $match); |
||
| 737 | |||
| 738 | $match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|", "", $match[0]); |
||
| 739 | $match = preg_replace("|/$|", "", $match); |
||
| 740 | $match_part = parse_url($match); |
||
| 741 | $match_root = |
||
| 742 | $match_part["scheme"] . "://" . $match_part["host"]; |
||
| 743 | |||
| 744 | $search = ["|^http://" . preg_quote($this->host) . "|i", "|^(\/)|i", "|^(?!http://)(?!mailto:)|i", "|/\./|", "|/[^\/]+/\.\./|"]; |
||
| 745 | |||
| 746 | $replace = ["", $match_root . "/", $match . "/", "/", "/"]; |
||
| 747 | |||
| 748 | $expandedLinks = preg_replace($search, $replace, $links); |
||
| 749 | |||
| 750 | return $expandedLinks; |
||
| 751 | } |
||
| 752 | |||
| 753 | /*======================================================================*\ |
||
| 754 | Function: _httprequest |
||
| 755 | Purpose: go get the http data from the server |
||
| 756 | Input: $url the url to fetch |
||
| 757 | $fp the current open file pointer |
||
| 758 | $URI the full URI |
||
| 759 | $body body contents to send if any (POST) |
||
| 760 | Output: |
||
| 761 | \*======================================================================*/ |
||
| 762 | |||
| 763 | public function _httprequest($url, $fp, $URI, $http_method, $content_type = "", $body = "") |
||
| 764 | { |
||
| 765 | $cookie_headers = ''; |
||
| 766 | if ($this->passcookies && $this->_redirectaddr) { |
||
| 767 | $this->setcookies(); |
||
| 768 | } |
||
| 769 | |||
| 770 | $URI_PARTS = parse_url($URI); |
||
| 771 | if (empty($url)) { |
||
| 772 | $url = "/"; |
||
| 773 | } |
||
| 774 | $headers = $http_method . " " . $url . " " . $this->_httpversion . "\r\n"; |
||
| 775 | if (!empty($this->agent)) { |
||
| 776 | $headers .= "User-Agent: " . $this->agent . "\r\n"; |
||
| 777 | } |
||
| 778 | if (!empty($this->host) && !isset($this->rawheaders['Host'])) { |
||
| 779 | $headers .= "Host: " . $this->host; |
||
| 780 | if (!empty($this->port) && $this->port != '80') { |
||
| 781 | $headers .= ":" . $this->port; |
||
| 782 | } |
||
| 783 | $headers .= "\r\n"; |
||
| 784 | } |
||
| 785 | if (!empty($this->accept)) { |
||
| 786 | $headers .= "Accept: " . $this->accept . "\r\n"; |
||
| 787 | } |
||
| 788 | if ($this->use_gzip) { |
||
| 789 | // make sure PHP was built with --with-zlib |
||
| 790 | // and we can handle gzipp'ed data |
||
| 791 | if (function_exists('gzinflate')) { |
||
| 792 | $headers .= "Accept-encoding: gzip\r\n"; |
||
| 793 | } else { |
||
| 794 | trigger_error( |
||
| 795 | "use_gzip is on, but PHP was built without zlib support." . |
||
| 796 | " Requesting file(s) without gzip encoding.", |
||
| 797 | E_USER_NOTICE, |
||
| 798 | ); |
||
| 799 | } |
||
| 800 | } |
||
| 801 | if (!empty($this->referer)) { |
||
| 802 | $headers .= "Referer: " . $this->referer . "\r\n"; |
||
| 803 | } |
||
| 804 | if (!empty($this->cookies)) { |
||
| 805 | if (!is_array($this->cookies)) { |
||
| 806 | $this->cookies = (array) $this->cookies; |
||
| 807 | } |
||
| 808 | |||
| 809 | reset($this->cookies); |
||
| 810 | if (count($this->cookies) > 0) { |
||
| 811 | $cookie_headers .= 'Cookie: '; |
||
| 812 | foreach ($this->cookies as $cookieKey => $cookieVal) { |
||
| 813 | $cookie_headers .= $cookieKey . "=" . urlencode($cookieVal) . "; "; |
||
| 814 | } |
||
| 815 | $headers .= substr($cookie_headers, 0, -2) . "\r\n"; |
||
| 816 | } |
||
| 817 | } |
||
| 818 | if (!empty($this->rawheaders)) { |
||
| 819 | if (!is_array($this->rawheaders)) { |
||
| 820 | $this->rawheaders = (array) $this->rawheaders; |
||
| 821 | } |
||
| 822 | while (list($headerKey, $headerVal) = each($this->rawheaders)) { |
||
| 823 | $headers .= $headerKey . ": " . $headerVal . "\r\n"; |
||
| 824 | } |
||
| 825 | } |
||
| 826 | if (!empty($content_type)) { |
||
| 827 | $headers .= "Content-type: $content_type"; |
||
| 828 | if ($content_type == "multipart/form-data") { |
||
| 829 | $headers .= "; boundary=" . $this->_mime_boundary; |
||
| 830 | } |
||
| 831 | $headers .= "\r\n"; |
||
| 832 | } |
||
| 833 | if (!empty($body)) { |
||
| 834 | $headers .= "Content-length: " . strlen($body) . "\r\n"; |
||
| 835 | } |
||
| 836 | if (!empty($this->user) || !empty($this->pass)) { |
||
| 837 | $headers .= "Authorization: Basic " . base64_encode($this->user . ":" . $this->pass) . "\r\n"; |
||
| 838 | } |
||
| 839 | |||
| 840 | //add proxy auth headers |
||
| 841 | if (!empty($this->proxy_user)) { |
||
| 842 | $headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass) . "\r\n"; |
||
| 843 | } |
||
| 844 | |||
| 845 | |||
| 846 | $headers .= "\r\n"; |
||
| 847 | |||
| 848 | // set the read timeout if needed |
||
| 849 | if ($this->read_timeout > 0) { |
||
| 850 | socket_set_timeout($fp, $this->read_timeout); |
||
| 851 | } |
||
| 852 | $this->timed_out = false; |
||
| 853 | |||
| 854 | fwrite($fp, $headers . $body, strlen($headers . $body)); |
||
| 855 | |||
| 856 | $this->_redirectaddr = false; |
||
| 857 | unset($this->headers); |
||
| 858 | |||
| 859 | // content was returned gzip encoded? |
||
| 860 | $is_gzipped = false; |
||
| 861 | |||
| 862 | while ($currentHeader = fgets($fp, $this->_maxlinelen)) { |
||
| 863 | if ($this->read_timeout > 0 && $this->_check_timeout($fp)) { |
||
| 864 | $this->status = -100; |
||
| 865 | return false; |
||
| 866 | } |
||
| 867 | |||
| 868 | if ($currentHeader == "\r\n") { |
||
| 869 | break; |
||
| 870 | } |
||
| 871 | |||
| 872 | // if a header begins with Location: or URI:, set the redirect |
||
| 873 | if (preg_match("/^(Location:|URI:)/i", $currentHeader)) { |
||
| 874 | // get URL portion of the redirect |
||
| 875 | preg_match("/^(Location:|URI:)[ ]+(.*)/i", chop($currentHeader), $matches); |
||
| 876 | // look for :// in the Location header to see if hostname is included |
||
| 877 | if (!preg_match("|\:\/\/|", $matches[2])) { |
||
| 878 | // no host in the path, so prepend |
||
| 879 | $this->_redirectaddr = $URI_PARTS["scheme"] . "://" . $this->host . ":" . $this->port; |
||
| 880 | // eliminate double slash |
||
| 881 | if (!preg_match("|^/|", $matches[2])) { |
||
| 882 | $this->_redirectaddr .= "/" . $matches[2]; |
||
| 883 | } else { |
||
| 884 | $this->_redirectaddr .= $matches[2]; |
||
| 885 | } |
||
| 886 | } else { |
||
| 887 | $this->_redirectaddr = $matches[2]; |
||
| 888 | } |
||
| 889 | } |
||
| 890 | |||
| 891 | if (preg_match("|^HTTP/|", $currentHeader)) { |
||
| 892 | if (preg_match("|^HTTP/[^\s]*\s(.*?)\s|", $currentHeader, $status)) { |
||
| 893 | $this->status = $status[1]; |
||
| 894 | } |
||
| 895 | $this->response_code = $currentHeader; |
||
| 896 | } |
||
| 897 | |||
| 898 | if (preg_match("/Content-Encoding: gzip/", $currentHeader)) { |
||
| 899 | $is_gzipped = true; |
||
| 900 | } |
||
| 901 | |||
| 902 | $this->headers[] = $currentHeader; |
||
| 903 | } |
||
| 904 | |||
| 905 | $results = ''; |
||
| 906 | do { |
||
| 907 | $_data = fread($fp, $this->maxlength); |
||
| 908 | if (strlen($_data) == 0) { |
||
| 909 | break; |
||
| 910 | } |
||
| 911 | $results .= $_data; |
||
| 912 | } while (true); |
||
| 913 | |||
| 914 | // gunzip |
||
| 915 | if ($is_gzipped) { |
||
| 916 | // per https://www.php.net/manual/en/function.gzencode.php |
||
| 917 | $results = substr($results, 10); |
||
| 918 | $results = gzinflate($results); |
||
| 919 | } |
||
| 920 | |||
| 921 | if ($this->read_timeout > 0 && $this->_check_timeout($fp)) { |
||
| 922 | $this->status = -100; |
||
| 923 | return false; |
||
| 924 | } |
||
| 925 | |||
| 926 | // check if there is a a redirect meta tag |
||
| 927 | |||
| 928 | if (preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i", $results, $match)) { |
||
| 929 | $this->_redirectaddr = $this->_expandlinks($match[1], $URI); |
||
| 930 | } |
||
| 931 | |||
| 932 | // have we hit our frame depth and is there frame src to fetch? |
||
| 933 | if (($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i", $results, $match)) { |
||
| 934 | $this->results[] = $results; |
||
| 935 | for ($x = 0; $x < count($match[1]); $x++) { |
||
| 936 | $this->_frameurls[] = $this->_expandlinks($match[1][$x], $URI_PARTS["scheme"] . "://" . $this->host); |
||
| 937 | } |
||
| 938 | } // have we already fetched framed content? |
||
| 939 | elseif (is_array($this->results)) { |
||
| 940 | $this->results[] = $results; |
||
| 941 | } |
||
| 942 | // no framed content |
||
| 943 | else { |
||
| 944 | $this->results = $results; |
||
| 945 | } |
||
| 946 | |||
| 947 | return true; |
||
| 948 | } |
||
| 949 | |||
| 950 | /*======================================================================*\ |
||
| 951 | Function: _httpsrequest |
||
| 952 | Purpose: go get the https data from the server using curl |
||
| 953 | Input: $url the url to fetch |
||
| 954 | $URI the full URI |
||
| 955 | $body body contents to send if any (POST) |
||
| 956 | Output: |
||
| 957 | \*======================================================================*/ |
||
| 958 | |||
| 959 | public function _httpsrequest($url, $URI, $http_method, $content_type = "", $body = "") |
||
| 960 | { |
||
| 961 | if ($this->passcookies && $this->_redirectaddr) { |
||
| 962 | $this->setcookies(); |
||
| 963 | } |
||
| 964 | |||
| 965 | $headers = []; |
||
| 966 | |||
| 967 | $URI_PARTS = parse_url($URI); |
||
| 968 | if (empty($url)) { |
||
| 969 | $url = "/"; |
||
| 970 | } |
||
| 971 | // GET ... header not needed for curl |
||
| 972 | //$headers[] = $http_method." ".$url." ".$this->_httpversion; |
||
| 973 | if (!empty($this->agent)) { |
||
| 974 | $headers[] = "User-Agent: " . $this->agent; |
||
| 975 | } |
||
| 976 | if (!empty($this->host)) { |
||
| 977 | if (!empty($this->port)) { |
||
| 978 | $headers[] = "Host: " . $this->host . ":" . $this->port; |
||
| 979 | } else { |
||
| 980 | $headers[] = "Host: " . $this->host; |
||
| 981 | } |
||
| 982 | } |
||
| 983 | if (!empty($this->accept)) { |
||
| 984 | $headers[] = "Accept: " . $this->accept; |
||
| 985 | } |
||
| 986 | if (!empty($this->referer)) { |
||
| 987 | $headers[] = "Referer: " . $this->referer; |
||
| 988 | } |
||
| 989 | if (!empty($this->cookies)) { |
||
| 990 | if (!is_array($this->cookies)) { |
||
| 991 | $this->cookies = (array) $this->cookies; |
||
| 992 | } |
||
| 993 | |||
| 994 | reset($this->cookies); |
||
| 995 | if (count($this->cookies) > 0) { |
||
| 996 | $cookie_str = 'Cookie: '; |
||
| 997 | foreach ($this->cookies as $cookieKey => $cookieVal) { |
||
| 998 | $cookie_str .= $cookieKey . "=" . urlencode($cookieVal) . "; "; |
||
| 999 | } |
||
| 1000 | $headers[] = substr($cookie_str, 0, -2); |
||
| 1001 | } |
||
| 1002 | } |
||
| 1003 | if (!empty($this->rawheaders)) { |
||
| 1004 | if (!is_array($this->rawheaders)) { |
||
| 1005 | $this->rawheaders = (array) $this->rawheaders; |
||
| 1006 | } |
||
| 1007 | while (list($headerKey, $headerVal) = each($this->rawheaders)) { |
||
| 1008 | $headers[] = $headerKey . ": " . $headerVal; |
||
| 1009 | } |
||
| 1010 | } |
||
| 1011 | if (!empty($content_type)) { |
||
| 1012 | if ($content_type == "multipart/form-data") { |
||
| 1013 | $headers[] = "Content-type: $content_type; boundary=" . $this->_mime_boundary; |
||
| 1014 | } else { |
||
| 1015 | $headers[] = "Content-type: $content_type"; |
||
| 1016 | } |
||
| 1017 | } |
||
| 1018 | if (!empty($body)) { |
||
| 1019 | $headers[] = "Content-length: " . strlen($body); |
||
| 1020 | } |
||
| 1021 | if (!empty($this->user) || !empty($this->pass)) { |
||
| 1022 | $headers[] = "Authorization: BASIC " . base64_encode($this->user . ":" . $this->pass); |
||
| 1023 | } |
||
| 1024 | |||
| 1025 | for ($curr_header = 0; $curr_header < count($headers); $curr_header++) { |
||
| 1026 | $safer_header = strtr($headers[$curr_header], "\"", " "); |
||
| 1027 | $cmdline_params .= " -H \"" . $safer_header . "\""; |
||
| 1028 | } |
||
| 1029 | |||
| 1030 | if (!empty($body)) { |
||
| 1031 | $cmdline_params .= " -d \"$body\""; |
||
| 1032 | } |
||
| 1033 | |||
| 1034 | if ($this->read_timeout > 0) { |
||
| 1035 | $cmdline_params .= " -m " . $this->read_timeout; |
||
| 1036 | } |
||
| 1037 | |||
| 1038 | $headerfile = tempnam($temp_dir, "sno"); |
||
| 1039 | |||
| 1040 | exec($this->curl_path . " -k -D \"$headerfile\"" . $cmdline_params . " " . escapeshellarg($URI), $results, $return); |
||
| 1041 | |||
| 1042 | if ($return) { |
||
| 1043 | $this->error = "Error: cURL could not retrieve the document, error $return."; |
||
| 1044 | return false; |
||
| 1045 | } |
||
| 1046 | |||
| 1047 | |||
| 1048 | $results = implode("\r\n", $results); |
||
| 1049 | |||
| 1050 | $result_headers = file((string)$headerfile); |
||
| 1051 | |||
| 1052 | $this->_redirectaddr = false; |
||
| 1053 | unset($this->headers); |
||
| 1054 | |||
| 1055 | for ($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++) { |
||
| 1056 | |||
| 1057 | // if a header begins with Location: or URI:, set the redirect |
||
| 1058 | if (preg_match("/^(Location: |URI: )/i", $result_headers[$currentHeader])) { |
||
| 1059 | // get URL portion of the redirect |
||
| 1060 | preg_match("/^(Location: |URI:)\s+(.*)/", chop($result_headers[$currentHeader]), $matches); |
||
| 1061 | // look for :// in the Location header to see if hostname is included |
||
| 1062 | if (!preg_match("|\:\/\/|", $matches[2])) { |
||
| 1063 | // no host in the path, so prepend |
||
| 1064 | $this->_redirectaddr = $URI_PARTS["scheme"] . "://" . $this->host . ":" . $this->port; |
||
| 1065 | // eliminate double slash |
||
| 1066 | if (!preg_match("|^/|", $matches[2])) { |
||
| 1067 | $this->_redirectaddr .= "/" . $matches[2]; |
||
| 1068 | } else { |
||
| 1069 | $this->_redirectaddr .= $matches[2]; |
||
| 1070 | } |
||
| 1071 | } else { |
||
| 1072 | $this->_redirectaddr = $matches[2]; |
||
| 1073 | } |
||
| 1074 | } |
||
| 1075 | |||
| 1076 | if (preg_match("|^HTTP/|", $result_headers[$currentHeader])) { |
||
| 1077 | $this->response_code = $result_headers[$currentHeader]; |
||
| 1078 | if (preg_match("|^HTTP/[^\s]*\s(.*?)\s|", $this->response_code, $match)) { |
||
| 1079 | $this->status = $match[1]; |
||
| 1080 | } |
||
| 1081 | } |
||
| 1082 | |||
| 1083 | $this->headers[] = $result_headers[$currentHeader]; |
||
| 1084 | } |
||
| 1085 | |||
| 1086 | // check if there is a a redirect meta tag |
||
| 1087 | |||
| 1088 | if (preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i", $results, $match)) { |
||
| 1089 | $this->_redirectaddr = $this->_expandlinks($match[1], $URI); |
||
| 1090 | } |
||
| 1091 | |||
| 1092 | // have we hit our frame depth and is there frame src to fetch? |
||
| 1093 | if (($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i", $results, $match)) { |
||
| 1094 | $this->results[] = $results; |
||
| 1095 | for ($x = 0; $x < count($match[1]); $x++) { |
||
| 1096 | $this->_frameurls[] = $this->_expandlinks($match[1][$x], $URI_PARTS["scheme"] . "://" . $this->host); |
||
| 1097 | } |
||
| 1098 | } // have we already fetched framed content? |
||
| 1099 | elseif (is_array($this->results)) { |
||
| 1100 | $this->results[] = $results; |
||
| 1101 | } |
||
| 1102 | // no framed content |
||
| 1103 | else { |
||
| 1104 | $this->results = $results; |
||
| 1105 | } |
||
| 1106 | |||
| 1107 | unlink((string)$headerfile); |
||
| 1108 | |||
| 1109 | return true; |
||
| 1110 | } |
||
| 1111 | |||
| 1112 | /*======================================================================*\ |
||
| 1113 | Function: setcookies() |
||
| 1114 | Purpose: set cookies for a redirection |
||
| 1115 | \*======================================================================*/ |
||
| 1116 | |||
| 1117 | public function setcookies() |
||
| 1118 | { |
||
| 1119 | for ($x = 0; $x < count($this->headers); $x++) { |
||
| 1120 | if (preg_match('/^set-cookie:[\s]+([^=]+)=([^;]+)/i', $this->headers[$x], $match)) { |
||
| 1121 | $this->cookies[$match[1]] = urldecode($match[2]); |
||
| 1122 | } |
||
| 1123 | } |
||
| 1124 | } |
||
| 1125 | |||
| 1126 | |||
| 1127 | /*======================================================================*\ |
||
| 1128 | Function: _check_timeout |
||
| 1129 | Purpose: checks whether timeout has occurred |
||
| 1130 | Input: $fp file pointer |
||
| 1131 | \*======================================================================*/ |
||
| 1132 | |||
| 1133 | public function _check_timeout($fp) |
||
| 1143 | } |
||
| 1144 | |||
| 1145 | /*======================================================================*\ |
||
| 1146 | Function: _connect |
||
| 1147 | Purpose: make a socket connection |
||
| 1148 | Input: $fp file pointer |
||
| 1149 | \*======================================================================*/ |
||
| 1150 | |||
| 1151 | public function _connect(&$fp) |
||
| 1193 | } |
||
| 1194 | } |
||
| 1195 | |||
| 1196 | /*======================================================================*\ |
||
| 1197 | Function: _disconnect |
||
| 1198 | Purpose: disconnect a socket connection |
||
| 1199 | Input: $fp file pointer |
||
| 1200 | \*======================================================================*/ |
||
| 1201 | |||
| 1202 | public function _disconnect($fp) |
||
| 1205 | } |
||
| 1206 | |||
| 1207 | |||
| 1208 | /*======================================================================*\ |
||
| 1209 | Function: _prepare_post_body |
||
| 1210 | Purpose: Prepare post body according to encoding type |
||
| 1211 | Input: $formvars - form variables |
||
| 1212 | $formfiles - form upload files |
||
| 1213 | Output: post body |
||
| 1214 | \*======================================================================*/ |
||
| 1215 | |||
| 1216 | public function _prepare_post_body($formvars, $formfiles) |
||
| 1283 |
Loading history...
The
breakstatement is not necessary if it is preceded for example by areturnstatement:If you would like to keep this construct to be consistent with other
casestatements, you can safely mark this issue as a false-positive.