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apps/update/lib/stChiaraPearServer.class.php

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+<?php                                                 
+/** 
+ * SOTESHOP/stUpdate 
+ * 
+ * This file is the part of stUpdate application. License: (Open License SOTE) Open License SOTE. 
+ * Do not modify this file, system will overwrite it during upgrade.
+ * 
+ * @package     stUpdate
+ * @subpackage  libs
+ * @copyright   SOTE (www.sote.pl)
+ * @license     http://www.sote.pl/license/open (Open License SOTE) Open License SOTE
+ * @version     $Id: stChiaraPearServer.class.php 13528 2011-06-08 09:57:46Z michal $
+ */
+ 
+/** 
+ * Chiara PEAR server API.
+ *
+ * @author Marek jakubowicz <marek.jakubowicz@sote.pl>
+ *
+ * @package     stUpdate
+ * @subpackage  libs
+ */
+class stChiaraPearServer 
+{      
+    /** 
+     * @var string $channel
+     */
+    var $channel;         
+    
+    /** 
+     * @var array $deps packages dependencies
+     */
+    var $deps=array();
+               
+    /** 
+     * List of already read packages.
+     */
+    var $readed=array();                
+    
+    /** 
+     * Options: dependency min|latest
+     */
+    var $options=array('dependency'=>'min');
+    
+    /** 
+     * Construct
+     */
+    public function __construct($channel)
+    {
+        $this->channel=$channel;        
+    }                                
+              
+    /** 
+     * Get all dependencies for provided package (recursive).
+     *
+     * @param        string      $package
+     * @param        string      $version
+     * @see $this->deps
+     */
+    public function getDeps($package,$version,$count=0)    
+    {                                                 
+        if (empty($this->readed[$package][$version]))        
+        {
+            $data=$this->getPackageInfo($package,$version);               
+            $this->readed[$package][$version]=1;
+            $this->setVersion($package,$data['version']);
+        }
+        
+        if (isset($data['deps']['required']['package'][0]) && is_array($data['deps']['required']['package'][0]))
+        {        
+           // >1 dependecies
+           $deps=$data['deps']['required']['package'];  
+        }    
+        elseif (isset($data['deps']['required']['package']))
+        {                     
+            // 1 dependency
+            $deps=array(0=>$data['deps']['required']['package']);
+        }
+        else return;
+
+        foreach ($deps as $id=>$dep)
+        {     
+            $name=$dep['name'];
+            $version=$dep['min'];         
+            if (empty($this->readed[$name][$version])) $this->getDeps($name,$version);           
+        }       
+        
+        return $this->deps;
+    }    
+                                            
+    /** 
+     * Set option.
+     *
+     * @param        string      $option
+     * @param         mixed       $value
+     */
+    public function setOption($option,$value)
+    {
+        $this->options[$option]=$value;
+    }                                  
+    
+    /** 
+     * Get option.
+     *
+     * @param        string      $option
+     * @return   mixed
+     */
+    private function getOption($option)
+    {
+        if (! empty($this->options[$option])) return $this->options[$option];
+        else return NULL;
+    }
+    
+     /** 
+      * Get latest package version.
+      *
+      * @param        string      $package
+      * @param        string      $version
+      */
+     private function setVersion($package,$version)
+     {
+         if (! empty($this->deps[$package])) 
+         {
+             $version_1=intval(str_replace('.','',$version));
+             $version_2=intval(str_replace('.','',$this->deps[$package]));
+             if ($version_1 > $version_2) $this->deps[$package]=$version;
+         } else 
+         {
+             $this->deps[$package]=$version;
+         }  
+     }
+        
+    /** 
+     * Get package information from PEAR server.
+     *
+     * @param   string      $package            package name
+     * @param              string      $version            1.0.2
+     * @return   array
+     */
+    private function getPackageInfo($package,$version)
+    {              
+        $result=array();
+        $url_base   = $this->getPackageURL($package);
+        
+        // latest
+        $url_latest = $url_base.'latest.txt';
+        $result['latest']=$this->getUrlResponse($url_latest);
+             
+        if ($this->getOption('dependency')=='latest') $version=$result['latest'];
+               
+        $result['version']=$version;
+        
+        // deps 
+        $url_deps   = $url_base."deps.$version.txt";                
+        $result['deps']=unserialize($this->getUrlResponse($url_deps));
+  
+        return $result;
+    }                                        
+    
+    /** 
+     * Get base URL for package.
+     *
+     * @param        string      $package
+     * @return       string      http://pear.sote.pl/Chiara_PEAR_Server_REST/r/stuser
+     */
+    private function getPackageURL($package)
+    {
+        return 'http://'.$this->channel.'/Chiara_PEAR_Server_REST/r/'.strtolower($package).'/';
+    }
+                  
+    /** 
+     * Get URL response.
+     *
+     * @param   string      $url                URL np. http://pear.sote.pl/channel.xml
+     * @return  string      zawartość strony URL 
+     */
+    private function getUrlResponse($url)
+    {          
+        $c = curl_init(); 
+        curl_setopt($c, CURLOPT_URL,  $url); 
+        curl_setopt($c, CURLOPT_RETURNTRANSFER, true); 
+        $ret = curl_exec($c); 
+        curl_close($c); 
+                   
+        return $ret;
+    } 
+}