Login   Register  
PHP Classes
elePHPant
Icontem

File: web-app/lib/SMARTY/plugins/function.fetch.php

Recommend this page to a friend!
Stumble It! Stumble It! Bookmark in del.icio.us Bookmark in del.icio.us
  Classes of davifelipe  >  smart MVC  >  web-app/lib/SMARTY/plugins/function.fetch.php  >  Download  
File: web-app/lib/SMARTY/plugins/function.fetch.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: smart MVC
MVC framework using Smarty to render views
Author: By
Last change:
Date: 3 years ago
Size: 8,743 bytes
 

Contents

Class file image Download
<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */


/**
 * Smarty {fetch} plugin
 *
 * Type:     function<br>
 * Name:     fetch<br>
 * 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
 *                     result to a template variable
 */
function smarty_function_fetch($params, &$smarty)
{
    if (empty(
$params['file'])) {
        
$smarty->_trigger_fatal_error("[plugin] parameter 'file' cannot be empty");
        return;
    }

    
$content '';
    if (
$smarty->security && !preg_match('!^(http|ftp)://!i'$params['file'])) {
        
$_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 {
            
$smarty->_trigger_fatal_error('[plugin] fetch cannot read file \'' $params['file'] . '\'');
            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 $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");
                    }

                    
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;
            }
        }

    }


    if (!empty(
$params['assign'])) {
        
$smarty->assign($params['assign'],$content);
    } else {
        return 
$content;
    }
}

/* vim: set expandtab: */

?>