* Purpose: fetch file, web or ftp data and display results
* @link http://smarty.php.net/manual/en/language.function.fetch.php {fetch}
* (Smarty online manual)
+ * @author Monte Ohrt <monte at ohrt dot com>
* @param array
* @param Smarty
* @return string|null if the assign parameter is passed, Smarty assigns the
return;
}
+ $content = '';
if ($smarty->security && !preg_match('!^(http|ftp)://!i', $params['file'])) {
- $_params = array('resource_type' => 'file', 'resource_name' => $params['file']);
- require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.is_secure.php');
- if(!smarty_core_is_secure($_params, $smarty)) {
+ $_params = array('resource_type' => 'file', 'resource_name' => $params['file']);
+ require_once(SMARTY_CORE_DIR . 'core.is_secure.php');
+ if(!smarty_core_is_secure($_params, $smarty)) {
$smarty->_trigger_fatal_error('[plugin] (secure mode) fetch \'' . $params['file'] . '\' is not allowed');
- return;
- }
-
- // fetch the file
- if($fp = @fopen($params['file'],'r')) {
- while(!feof($fp)) {
- $content .= fgets ($fp,4096);
- }
- fclose($fp);
- } else {
+ return;
+ }
+
+ // fetch the file
+ if($fp = @fopen($params['file'],'r')) {
+ while(!feof($fp)) {
+ $content .= fgets ($fp,4096);
+ }
+ fclose($fp);
+ } else {
$smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] . '\'');
- return;
- }
+ return;
+ }
} else {
- // not a local file
- if(preg_match('!^http://!i',$params['file'])) {
- // http fetch
- if($uri_parts = parse_url($params['file'])) {
- // set defaults
- $host = $server_name = $uri_parts['host'];
- $timeout = 30;
- $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
- $agent = "Smarty Template Engine ".$smarty->_version;
- $referer = "";
- $uri = !empty($uri_parts['path']) ? $uri_parts['path'] : '/';
- $uri .= !empty($uri_parts['query']) ? '?' . $uri_parts['query'] : '';
- $_is_proxy = false;
- if(empty($uri_parts['port'])) {
- $port = 80;
- } else {
- $port = $uri_parts['port'];
- }
- if(empty($uri_parts['user'])) {
- $user = '';
- }
- // loop through parameters, setup headers
- foreach($params as $param_key => $param_value) {
- switch($param_key) {
- case "file":
- case "assign":
- case "assign_headers":
- break;
- case "user":
- if(!empty($param_value)) {
- $user = $param_value;
- }
- break;
- case "pass":
- if(!empty($param_value)) {
- $pass = $param_value;
- }
- break;
- case "accept":
- if(!empty($param_value)) {
- $accept = $param_value;
- }
- break;
- case "header":
- if(!empty($param_value)) {
- if(!preg_match('![\w\d-]+: .+!',$param_value)) {
- $smarty->_trigger_fatal_error("[plugin] invalid header format '".$param_value."'");
- return;
- } else {
- $extra_headers[] = $param_value;
- }
- }
- break;
- case "proxy_host":
- if(!empty($param_value)) {
- $proxy_host = $param_value;
- }
- break;
- case "proxy_port":
- if(!preg_match('!\D!', $param_value)) {
- $proxy_port = (int) $param_value;
- } else {
- $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'");
- return;
- }
- break;
- case "agent":
- if(!empty($param_value)) {
- $agent = $param_value;
- }
- break;
- case "referer":
- if(!empty($param_value)) {
- $referer = $param_value;
- }
- break;
- case "timeout":
- if(!preg_match('!\D!', $param_value)) {
- $timeout = (int) $param_value;
- } else {
- $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'");
- return;
- }
- break;
- default:
- $smarty->_trigger_fatal_error("[plugin] unrecognized attribute '".$param_key."'");
- return;
- }
- }
- if(!empty($proxy_host) && !empty($proxy_port)) {
- $_is_proxy = true;
- $fp = fsockopen($proxy_host,$proxy_port,$errno,$errstr,$timeout);
- } else {
- $fp = fsockopen($server_name,$port,$errno,$errstr,$timeout);
- }
+ // not a local file
+ if(preg_match('!^http://!i',$params['file'])) {
+ // http fetch
+ if($uri_parts = parse_url($params['file'])) {
+ // set defaults
+ $host = $server_name = $uri_parts['host'];
+ $timeout = 30;
+ $accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
+ $agent = "Smarty Template Engine ".$smarty->_version;
+ $referer = "";
+ $uri = !empty($uri_parts['path']) ? $uri_parts['path'] : '/';
+ $uri .= !empty($uri_parts['query']) ? '?' . $uri_parts['query'] : '';
+ $_is_proxy = false;
+ if(empty($uri_parts['port'])) {
+ $port = 80;
+ } else {
+ $port = $uri_parts['port'];
+ }
+ if(!empty($uri_parts['user'])) {
+ $user = $uri_parts['user'];
+ }
+ if(!empty($uri_parts['pass'])) {
+ $pass = $uri_parts['pass'];
+ }
+ // loop through parameters, setup headers
+ foreach($params as $param_key => $param_value) {
+ switch($param_key) {
+ case "file":
+ case "assign":
+ case "assign_headers":
+ break;
+ case "user":
+ if(!empty($param_value)) {
+ $user = $param_value;
+ }
+ break;
+ case "pass":
+ if(!empty($param_value)) {
+ $pass = $param_value;
+ }
+ break;
+ case "accept":
+ if(!empty($param_value)) {
+ $accept = $param_value;
+ }
+ break;
+ case "header":
+ if(!empty($param_value)) {
+ if(!preg_match('![\w\d-]+: .+!',$param_value)) {
+ $smarty->_trigger_fatal_error("[plugin] invalid header format '".$param_value."'");
+ return;
+ } else {
+ $extra_headers[] = $param_value;
+ }
+ }
+ break;
+ case "proxy_host":
+ if(!empty($param_value)) {
+ $proxy_host = $param_value;
+ }
+ break;
+ case "proxy_port":
+ if(!preg_match('!\D!', $param_value)) {
+ $proxy_port = (int) $param_value;
+ } else {
+ $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'");
+ return;
+ }
+ break;
+ case "agent":
+ if(!empty($param_value)) {
+ $agent = $param_value;
+ }
+ break;
+ case "referer":
+ if(!empty($param_value)) {
+ $referer = $param_value;
+ }
+ break;
+ case "timeout":
+ if(!preg_match('!\D!', $param_value)) {
+ $timeout = (int) $param_value;
+ } else {
+ $smarty->_trigger_fatal_error("[plugin] invalid value for attribute '".$param_key."'");
+ return;
+ }
+ break;
+ default:
+ $smarty->_trigger_fatal_error("[plugin] unrecognized attribute '".$param_key."'");
+ return;
+ }
+ }
+ if(!empty($proxy_host) && !empty($proxy_port)) {
+ $_is_proxy = true;
+ $fp = fsockopen($proxy_host,$proxy_port,$errno,$errstr,$timeout);
+ } else {
+ $fp = fsockopen($server_name,$port,$errno,$errstr,$timeout);
+ }
- if(!$fp) {
- $smarty->_trigger_fatal_error("[plugin] unable to fetch: $errstr ($errno)");
- return;
- } else {
- if($_is_proxy) {
- fputs($fp, 'GET ' . $params['file'] . " HTTP/1.0\r\n");
- } else {
- fputs($fp, "GET $uri HTTP/1.0\r\n");
- }
- if(!empty($host)) {
- fputs($fp, "Host: $host\r\n");
- }
- if(!empty($accept)) {
- fputs($fp, "Accept: $accept\r\n");
- }
- if(!empty($agent)) {
- fputs($fp, "User-Agent: $agent\r\n");
- }
- if(!empty($referer)) {
- fputs($fp, "Referer: $referer\r\n");
- }
- if(isset($extra_headers) && is_array($extra_headers)) {
- foreach($extra_headers as $curr_header) {
- fputs($fp, $curr_header."\r\n");
- }
- }
- if(!empty($user) && !empty($pass)) {
- fputs($fp, "Authorization: BASIC ".base64_encode("$user:$pass")."\r\n");
- }
+ if(!$fp) {
+ $smarty->_trigger_fatal_error("[plugin] unable to fetch: $errstr ($errno)");
+ return;
+ } else {
+ if($_is_proxy) {
+ fputs($fp, 'GET ' . $params['file'] . " HTTP/1.0\r\n");
+ } else {
+ fputs($fp, "GET $uri HTTP/1.0\r\n");
+ }
+ if(!empty($host)) {
+ fputs($fp, "Host: $host\r\n");
+ }
+ if(!empty($accept)) {
+ fputs($fp, "Accept: $accept\r\n");
+ }
+ if(!empty($agent)) {
+ fputs($fp, "User-Agent: $agent\r\n");
+ }
+ if(!empty($referer)) {
+ fputs($fp, "Referer: $referer\r\n");
+ }
+ if(isset($extra_headers) && is_array($extra_headers)) {
+ foreach($extra_headers as $curr_header) {
+ fputs($fp, $curr_header."\r\n");
+ }
+ }
+ if(!empty($user) && !empty($pass)) {
+ fputs($fp, "Authorization: BASIC ".base64_encode("$user:$pass")."\r\n");
+ }
- $content = '';
- fputs($fp, "\r\n");
- while(!feof($fp)) {
- $content .= fgets($fp,4096);
- }
- fclose($fp);
- $csplit = split("\r\n\r\n",$content,2);
+ fputs($fp, "\r\n");
+ while(!feof($fp)) {
+ $content .= fgets($fp,4096);
+ }
+ fclose($fp);
+ $csplit = split("\r\n\r\n",$content,2);
- $content = $csplit[1];
-
- if(!empty($params['assign_headers'])) {
- $smarty->assign($params['assign_headers'],split("\r\n",$csplit[0]));
- }
- }
- } else {
- $smarty->_trigger_fatal_error("[plugin] unable to parse URL, check syntax");
- return;
- }
- } else {
- // ftp fetch
- if($fp = @fopen($params['file'],'r')) {
- while(!feof($fp)) {
- $content .= fgets ($fp,4096);
- }
- fclose($fp);
- } else {
- $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] .'\'');
- return;
- }
- }
-
- }
+ $content = $csplit[1];
+
+ if(!empty($params['assign_headers'])) {
+ $smarty->assign($params['assign_headers'],split("\r\n",$csplit[0]));
+ }
+ }
+ } else {
+ $smarty->_trigger_fatal_error("[plugin] unable to parse URL, check syntax");
+ return;
+ }
+ } else {
+ // ftp fetch
+ if($fp = @fopen($params['file'],'r')) {
+ while(!feof($fp)) {
+ $content .= fgets ($fp,4096);
+ }
+ fclose($fp);
+ } else {
+ $smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' . $params['file'] .'\'');
+ return;
+ }
+ }
+
+ }
if (!empty($params['assign'])) {
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