mods/phpdoc2/PhpDocumentor/phpDocumentor/Smarty-2.6.0/libs/plugins/function.fetch.php

   1 <?php\r
   2 /**\r
   3  * Smarty plugin\r
   4  * @package Smarty\r
   5  * @subpackage plugins\r
   6  */\r
   7 \r
   8 \r
   9 /**\r
  10  * Smarty {fetch} plugin\r
  11  *\r
  12  * Type:     function<br>\r
  13  * Name:     fetch<br>\r
  14  * Purpose:  fetch file, web or ftp data and display results\r
  15  * @link http://smarty.php.net/manual/en/language.function.fetch.php {fetch}\r
  16  *       (Smarty online manual)\r
  17  * @param array\r
  18  * @param Smarty\r
  19  * @return string|null if the assign parameter is passed, Smarty assigns the\r
  20  *                     result to a template variable\r
  21  */\r
  22 function smarty_function_fetch($params, &$smarty)\r
  23 {\r
  24     if (empty($params['file'])) {\r
  25         $smarty->_trigger_fatal_error("[plugin] parameter 'file' cannot be empty");\r
  26         return;\r
  27     }\r
  28 \r
  29     if ($smarty->security && !preg_match('!^(http|ftp)://!i', $params['file'])) {\r
  30                 $_params = array('resource_type' => 'file', 'resource_name' => $params['file']);\r
  31                 require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.is_secure.php');\r
  32                 if(!smarty_core_is_secure($_params, $smarty)) {\r
  33             $smarty->_trigger_fatal_error('[plugin] (secure mode) fetch \'' . $params['file'] . '\' is not allowed');\r
  34             return;                     \r
  35                 }\r
  36                 \r
  37                 // fetch the file\r
  38                 if($fp = @fopen($params['file'],'r')) {\r
  39                         while(!feof($fp)) {\r
  40                                 $content .= fgets ($fp,4096);\r
  41                         }\r
  42                         fclose($fp);\r
  43                 } else {\r
  44             $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] . '\'');\r
  45             return;                     \r
  46                 }\r
  47     } else {\r
  48                 // not a local file\r
  49                 if(preg_match('!^http://!i',$params['file'])) {\r
  50                         // http fetch\r
  51                         if($uri_parts = parse_url($params['file'])) {\r
  52                                 // set defaults\r
  53                                 $host = $server_name = $uri_parts['host'];\r
  54                                 $timeout = 30;\r
  55                                 $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";\r
  56                                 $agent = "Smarty Template Engine ".$smarty->_version;\r
  57                                 $referer = "";\r
  58                                 $uri = !empty($uri_parts['path']) ? $uri_parts['path'] : '/';\r
  59                                 $uri .= !empty($uri_parts['query']) ? '?' . $uri_parts['query'] : '';\r
  60                                 $_is_proxy = false;\r
  61                                 if(empty($uri_parts['port'])) {\r
  62                                         $port = 80;\r
  63                                 } else {\r
  64                                         $port = $uri_parts['port'];\r
  65                                 }\r
  66                                 if(empty($uri_parts['user'])) {\r
  67                                         $user = '';\r
  68                                 }                               \r
  69                                 // loop through parameters, setup headers\r
  70                                 foreach($params as $param_key => $param_value) {                        \r
  71                                         switch($param_key) {\r
  72                                                 case "file":\r
  73                                                 case "assign":\r
  74                                                 case "assign_headers":\r
  75                                                         break;\r
  76                                                 case "user":\r
  77                                                         if(!empty($param_value)) {\r
  78                                                                 $user = $param_value;\r
  79                                                         }\r
  80                                                         break;\r
  81                                                 case "pass":\r
  82                                                         if(!empty($param_value)) {\r
  83                                                                 $pass = $param_value;\r
  84                                                         }\r
  85                                                         break;\r
  86                                                 case "accept":\r
  87                                                         if(!empty($param_value)) {\r
  88                                                                 $accept = $param_value;\r
  89                                                         }\r
  90                                                         break;\r
  91                                                 case "header":\r
  92                                                         if(!empty($param_value)) {\r
  93                                                                 if(!preg_match('![\w\d-]+: .+!',$param_value)) {\r
  94                                                         $smarty->_trigger_fatal_error("[plugin] invalid header format '".$param_value."'");\r
  95                                                         return;                                                                 \r
  96                                                                 } else {\r
  97                                                                         $extra_headers[] = $param_value;\r
  98                                                                 }\r
  99                                                         }\r
 100                                                         break;\r
 101                                                 case "proxy_host":\r
 102                                                         if(!empty($param_value)) {\r
 103                                                                 $proxy_host = $param_value;\r
 104                                                         }\r
 105                                                         break;\r
 106                                                 case "proxy_port":\r
 107                                                         if(!preg_match('!\D!', $param_value)) {\r
 108                                                                 $proxy_port = (int) $param_value;\r
 109                                                         } else {\r
 110                                                 $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'");\r
 111                                                 return;                                                                 \r
 112                                                         }\r
 113                                                         break;\r
 114                                                 case "agent":\r
 115                                                         if(!empty($param_value)) {\r
 116                                                                 $agent = $param_value;\r
 117                                                         }\r
 118                                                         break;\r
 119                                                 case "referer":\r
 120                                                         if(!empty($param_value)) {\r
 121                                                                 $referer = $param_value;\r
 122                                                         }\r
 123                                                         break;\r
 124                                                 case "timeout":\r
 125                                                         if(!preg_match('!\D!', $param_value)) {\r
 126                                                                 $timeout = (int) $param_value;\r
 127                                                         } else {\r
 128                                                 $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'");\r
 129                                                 return;                                                                 \r
 130                                                         }\r
 131                                                         break;\r
 132                                                 default:\r
 133                                         $smarty->_trigger_fatal_error("[plugin] unrecognized attribute '".$param_key."'");\r
 134                                         return;\r
 135                                         }                       \r
 136                                 }\r
 137                                 if(!empty($proxy_host) && !empty($proxy_port)) {\r
 138                                         $_is_proxy = true;\r
 139                                         $fp = fsockopen($proxy_host,$proxy_port,$errno,$errstr,$timeout);\r
 140                                 } else {\r
 141                                         $fp = fsockopen($server_name,$port,$errno,$errstr,$timeout);\r
 142                                 }\r
 143 \r
 144                                 if(!$fp) {\r
 145                         $smarty->_trigger_fatal_error("[plugin] unable to fetch: $errstr ($errno)");\r
 146                         return;                         \r
 147                                 } else {\r
 148                                         if($_is_proxy) {\r
 149                                                 fputs($fp, 'GET ' . $params['file'] . " HTTP/1.0\r\n");                                         \r
 150                                         } else {\r
 151                                                 fputs($fp, "GET $uri HTTP/1.0\r\n");\r
 152                                         }\r
 153                                         if(!empty($host)) {\r
 154                                                 fputs($fp, "Host: $host\r\n");\r
 155                                         }\r
 156                                         if(!empty($accept)) {\r
 157                                                 fputs($fp, "Accept: $accept\r\n");\r
 158                                         }\r
 159                                         if(!empty($agent)) {\r
 160                                                 fputs($fp, "User-Agent: $agent\r\n");\r
 161                                         }\r
 162                                         if(!empty($referer)) {\r
 163                                                 fputs($fp, "Referer: $referer\r\n");\r
 164                                         }\r
 165                                         if(isset($extra_headers) && is_array($extra_headers)) {\r
 166                                                 foreach($extra_headers as $curr_header) {\r
 167                                                         fputs($fp, $curr_header."\r\n");\r
 168                                                 }\r
 169                                         }\r
 170                                         if(!empty($user) && !empty($pass)) {\r
 171                                                 fputs($fp, "Authorization: BASIC ".base64_encode("$user:$pass")."\r\n");                                                \r
 172                                         }\r
 173 \r
 174                                         $content = '';                                  \r
 175                                         fputs($fp, "\r\n");\r
 176                                         while(!feof($fp)) {\r
 177                                                 $content .= fgets($fp,4096);\r
 178                                         }\r
 179                                         fclose($fp);                                    \r
 180                                         $csplit = split("\r\n\r\n",$content,2);\r
 181 \r
 182                                         $content = $csplit[1];\r
 183                                         \r
 184                                         if(!empty($params['assign_headers'])) {\r
 185                                                 $smarty->assign($params['assign_headers'],split("\r\n",$csplit[0]));\r
 186                                         }\r
 187                                 }\r
 188                         } else {\r
 189                         $smarty->_trigger_fatal_error("[plugin] unable to parse URL, check syntax");\r
 190                         return;\r
 191                         }\r
 192                 } else {\r
 193                         // ftp fetch\r
 194                         if($fp = @fopen($params['file'],'r')) {\r
 195                                 while(!feof($fp)) {\r
 196                                         $content .= fgets ($fp,4096);\r
 197                                 }\r
 198                                 fclose($fp);\r
 199                         } else {\r
 200                 $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] .'\'');\r
 201                 return;                 \r
 202                         }\r
 203                 }\r
 204                 \r
 205         }\r
 206 \r
 207 \r
 208     if (!empty($params['assign'])) {\r
 209         $smarty->assign($params['assign'],$content);\r
 210     } else {\r
 211         return $content;\r
 212     }\r
 213 }\r
 214 \r
 215 /* vim: set expandtab: */\r
 216 \r
 217 ?>\r