simplepostnukeuserdataprovider.class.php

一个用PHP编写的

<?php

    lt_include( PLOG_CLASS_PATH."class/dao/userdata/baseuserdataprovider.class.php" );
    lt_include( PLOG_CLASS_PATH."class/database/db.class.php" );
    lt_include( PLOG_CLASS_PATH."class/dao/userinfo.class.php" );
    lt_include( PLOG_CLASS_PATH."class/dao/userstatus.class.php" );
    
    /**
    * Model representing the users in our application. Provides the methods such as
    * authentication and querying for users.
	*
	* \ingroup User_Data_Providers
    */
    class SimplePostNukeUserDataProvider extends BaseUserDataProvider
    {
	    var $_dbc;
	    var $_postnukedbprefix;
        var $_blogtitle_postfix;
        /**
        * Initializes the model
        */
        function SimplePostNukeUserDataProvider( $providerConfig )
        {
            $this->BaseUserDataProvider( $providerConfig );
            $this->table = $this->getPrefix()."users";
            
            // initialize the database connection based on our parameters
            $config = $this->getProviderConfiguration();
            $user = $config->getValue( "user" );
            $pass = $config->getValue( "password" );
            $host = $config->getValue( "host" );
            $db = $config->getValue( "database" );
            $this->_postnukedbprefix = $config->getValue( "prefix" );
            $this->_dbc =& Db::getNewDb( $host, $user, $pass, $db );
            
            $this->_blogtitle_postfix = $config->getValue( "blogtitle_postfix" );                   
        }

        /**
        * Returns true if the user is in the database and the username
        * and password match
        *
        * First, we check if the user exists as a standard lt user. If not, we check if he
        * has an PostNuke account, validate username/password and open a lt account for him.
        * This is the only time we interact with the postnuke db. Password changes, user removal and 
        * and everything else possible within LifeType does not affect the PostNuke database in any way.
        *
        * @param username Username of the user who we'd like to authenticate
        * @param pass Password of the user
        * @return true if user and password correct or false otherwise.
        */
        function authenticateUser( $username, $pass )
        {
        	// Check if we find the user in the LifeType DB
            $user = $this->getUserInfoFromUsername( $username );			
        	if( $user ) {
                return( $user->getPassword() == md5($pass));
	        }
	        
            // Check if the user is available in the PostNuke database...
            else {
	        	$query = "SELECT * FROM ".$this->_postnukedbprefix."users WHERE pn_uname = '".Db::qstr( $username )."' AND pn_pass = '".md5( $pass )."'";
                $result = $this->_dbc->Execute( $query );
                
                if( (!$result) || ($result == false) ) {          
                    return false;
                }
                // let's add the user to the lt userbase
                elseif ( $result->RecordCount() == 1 ) {
                    $result->Close(); 
                    $pnUserdata = $this->getUserInfoFromPostNukeUser( $username );

                    $user = new UserInfo( $pnUserdata["pn_uname"], 
			                              $pnUserdata["pn_pass"], 
								          $pnUserdata["pn_email"], 
								          "", 
								          $pnUserdata["pn_name"],
								          0,
								          serialize(Array())
                                        );
                                  
                    $user->setStatus( USER_STATUS_ACTIVE );
                    
                    
                    $newUserId = $this->addUser( $user );
                    if( !$newUserId ) {
                        return false;                  
                    }

                    //add Blog
                    $this->_PostNukeAddBlog($username, $newUserId);

                    return true;
                }
                else{
                        // TODO: shouldn't ever happen?
                    $result->Close();
                }
                                        
                
                // return false if user authentication failed on both databases
                return false;
	        }
        } // authenticateUser

        /**
        *
        * @param username Username of the user who we'd like to get all info from the PN DB
        * @return Returns an array with all userinformation
        */
        function getUserInfoFromPostNukeUser( $username )
        {
            $query = "SELECT * FROM ".$this->_postnukedbprefix."users WHERE pn_uname = '".Db::qstr( $username )."'";
	                  
	        $result = $this->_dbc->Execute( $query );
	        
	        if( !$result )
	        	return false;
	        	
	        $row = $result->FetchRow();
            $result->Close(); 

	        return( $row );	        
        }

        /**
        *
        * @param username Username for having a meaningful Blogname
        * @param userid UserID to link the blog to the new created user
        * @return Returns true if blog is created successfully and false otherwise
        */
        function _PostNukeAddBlog( &$username, &$userid )
        {
		    lt_include( PLOG_CLASS_PATH."class/dao/blogs.class.php" );
            lt_include( PLOG_CLASS_PATH."class/dao/articles.class.php" );
            lt_include( PLOG_CLASS_PATH."class/dao/articlecategories.class.php" );
            
            $config =& Config::getConfig();
            $locale =& Locales::getLocale( $config->getValue( "default_locale" ));
            
            // create a new blog
		    $blogs = new Blogs();
		    $blog = new BlogInfo( $username.$this->_blogtitle_postfix,  // name of the new blog
		       	                  $userid,  // id of the owner
		           	              "",  // no about
		            	          Array()); // no properties either
		    $newBlogId = $blogs->addBlog( $blog );
		     	    	     
            // add a default category and a default post            
            $articleCategories = new ArticleCategories();
            $articleCategory = new ArticleCategory( $locale->tr( "register_default_category" ), "", $newBlogId, true );
            $catId = $articleCategories->addArticleCategory( $articleCategory );

            $articleTopic = $locale->tr( "register_default_article_topic" );
            $articleText  = $locale->tr( "register_default_article_text" );
            $article = new Article( $articleTopic, 
                                    $articleText, 
                                    Array( $catId ), 
                                    $userid, 
                                    $newBlogId, 
                                    POST_STATUS_PUBLISHED, 
                                    0, 
                                    Array(), 
                                    "welcome" ); // slug
            $t = new Timestamp();
            $article->setDateObject( $t );
            $article->setInSummary( false );
            $articles = new Articles();
            $articles->addArticle( $article );
        }

        //------------
        //  NOTE: Everything below is copy&paste from LifeTypeUserdataprovider.class.php
        //------------

        /**
        * Retrieves the user information but given only a username
        *
        * @param username The username of the user
        * @return Returns a UserInfo object with the requested information, or false otherwise.
        */
        function getUserInfoFromUsername( $username )
        {
        	return( $this->get( "user", $username, CACHE_USERIDBYNAME, Array( CACHE_USERINFO => "getId" )));        	
        }

        
        /**
        * Retrieves the user infromation but given only a userid
        *
        * @param userId User ID of the user from whom we'd like to get the information
        * @return Returns a UserInfo object with the requested information, or false otherwise.
        */
        function getUserInfoFromId( $userid )
        {
        	return( $this->get( "id", $userid, CACHE_USERINFO, Array( CACHE_USERIDBYNAME => "getUsername" )));
        }

        /**
        * Returns an array with all the users available in the database
        *
        * @param status
        * @param includeExtraInfo
        * @param searchTerms
        * @param page
        * @param itemsPerPage
        * @return An array containing all the users.
        */
        function getAllUsers( $status = USER_STATUS_ALL, 
		                      $searchTerms = "",
                              $orderBy = "",
							  $page = DEFAULT_PAGING_ENABLED, 
							  $itemsPerPage = DEFAULT_ITEMS_PER_PAGE )
        {   		
	    	$where = "";