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