Facebook-API

preg_match_all( '@profile\.php\?id\=(.*?)\">(.*?)<@i', $line, $matches );

$html = file_get_html("example.html");
$count = 0;
$found = 0;

foreach( $html->find('a') as $link )
{
    
    $count++;
    // Check if it's a profile-link, if it's not the same as currently logged in user and make sure it's not an image
    if( strpos( $link, 'profile.php?id=' ) && !strpos( $link, $user_id ) && !strpos( $link->innertext, 'img' ) )
    {
        
        $found++;
        echo 'Link #' . $found . ': ' . $link->innertext;
        echo '<br />';
        
    }
    
}

echo $count . ' links found where ' . $found . ' links matched profile-links';

<?php

include_once('simple_html_dom.php');

$user_id    = '';
$user_email = "";
$user_pass  = "";

$fp = fopen("example.html", "w");
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, 'https://login.facebook.com/login.php?&next=http://www.faceboo...');
curl_setopt($ch, CURLOPT_POSTFIELDS,'email='.urlencode($user_email).'&pass='.urlencode($user_pass).'&login=Login');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_COOKIEJAR, "cookie.txt");
curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3");
curl_exec($ch);

// So we can view the facebook-page
include('example.html');

$html = file_get_html("example.html");
$count = 0;
$found = 0;

foreach( $html->find('a') as $link )
{
    
    $count++;
    if( strpos( $link, 'profile.php?id=' ) && !strpos( $link, $user_id ) && !strpos( $link->innertext, 'img' ) )
    {
        
        $found++;
        echo 'Link #' . $found . ': ' . $link->innertext;
        echo '<br />';
        
    }
    
}

echo $count . ' links found where ' . $found . ' links matched profile-links';

Fatal error: Maximum execution time of 30 seconds exceeded in E:\Program\wamp\www\unfriended2\FBUnfriended.php on line 90
Call Stack
#	Time	Memory	Function	Location
1	0.0003	671944	{main}( )	..\index2.php:0
2	2.5986	2874952	FBUnfriended->GetFriends( )	..\index2.php:9
3	2.5986	2874952	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:77
4	25.6513	11758192	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:123
5	28.8955	9497936	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:123
6	29.7819	11222760	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:123

$html = str_get_html( curl_exec( $this->ch ) );

<?php

if( !file_exists( 'simple_html_dom.php' ) )
    die("Cannot find Simple HTML DOM file");

include_once('simple_html_dom.php');

class FBUnfriended
{
    
    private $ch;
    
    private $user_conf;
    private $login_html;
    
    private $friends = array();
    private $memory  = array();
    
    public function __construct()
    {
        
        if( !file_exists( 'config.php' ) )
            die("Cannot find configuration file, aborting!");
            
        include_once('config.php');
        
        $this->user_conf = $config;
        
    }
    
    public function Login()
    {
        
        $this->ch = curl_init();
        
        curl_setopt( $this->ch, CURLOPT_URL, $this->user_conf['url_main'] . $this->user_conf['url_login']  );
        
        curl_setopt( $this->ch, CURLOPT_FOLLOWLOCATION, 1 );
        curl_setopt( $this->ch, CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt( $this->ch, CURLOPT_POST,           1 );
        curl_setopt( $this->ch, CURLOPT_POSTFIELDS, $this->user_conf['postfields'] );
        curl_setopt( $this->ch, CURLOPT_COOKIEFILE,     1 );
        curl_setopt( $this->ch, CURLOPT_FOLLOWLOCATION, 1 );
        
        $this->login_html = str_get_html( curl_exec($this->ch) );
        
        $this->_validateLogin();
        return $this;
        
    }
    
    private function _validateLogin()
    {
        
        $logout_link = $this->login_html->find( 'a[data-sigil=logout]' );
        
        if( empty( $logout_link ) )
        {
            
            echo date( 'Y-m-d H:i:s' ) . ': Error has occured!<br />';
            echo $this->login_html->find( 'div[id="rootContent"]', 0 )
                      ->children(0)->children(0)
                      ->children(0)->innertext . '<br />';
            
            die();
            
        }
        
    }
    
    public function GetFriends()
    {
        
        empty( $this->friends );
        empty( $this->memory  );
        
        $this->_getFriendsRecursive( $this->user_conf['url_friends'] );
        return $this->friends;
        
    }
    
    private function _getFriendsRecursive( $url )
    {
        
        //echo 'Checking url: ' . $url . '<br />';
        //echo 'Count of memory: ' . count($this->memory) . '<br />';
        // Follow the URL
        curl_setopt( $this->ch, CURLOPT_URL, $this->user_conf['url_main'] . $url );
        // Get the HTML of the new page
        $html = str_get_html( curl_exec( $this->ch ) );
        // Get the list of friend-pagination links
        $links = $html->find('div[id="sections"]',0)->find('div[class=acw apm]',0)->find('a[class="sec"]');
        //echo 'Found links: ' . count($links) . '<br />';

        // If the list is empty, we have reached an end-point
        if( empty( $links ) ) 
        {
        
            //echo 'There are no links, getting friends on the current page!<br />';
            $this->_getFriendsOnPage( $html );
            
        }
        
        // Else we have to try to go further down
        else
        {
            
            // Loop through the links
            //echo 'Looping through the links..<br />';
            foreach( $links as $link )
            {
                
                //echo 'Checking link: ' . $link->href . '<br />';
                // Check if we've already visited the page
                if( array_search( htmlspecialchars_decode( $link->href ), $this->memory ) == false )
                {
                    
                    //echo 'We have not visited this page before! Adding it to the memory<br />';
                    // If we haven't, add the page to the memory
                    $this->memory[] = htmlspecialchars_decode( $link->href );
                    // And follow the page
                    //echo 'Calling method recursivly with url: ' . $link->href . '<br />';
                    $this->_getFriendsRecursive( htmlspecialchars_decode( $link->href ) );
                    
                }
                    
                else
                {
                    
                    //echo 'We have visited this page before, getting friends on the current page!<br />';
                    $this->_getFriendsOnPage( $html );

                }
                
            }
            
        }
        
    }
    
    private function _getFriendsOnPage( $html )
    {
        
        // Loop through all the friends on the current page
        foreach( $html->find('div[class="ib"]') as $friendholder )
        {
            
            // Add to list of all friends
            $this->friends[] = htmlspecialchars_decode( $friendholder->children(1)->children(0)->name, ENT_QUOTES ); //kovertera också om någon använder cituationstecken i namnet
            
        }
        
    }
    
    public function Logout()
    {
        
        $logout_link = 'http://m.facebook.com' . $this->login_html->find( 'a[data-sigil=logout]', 0 )->href;
        
        curl_setopt( $this->ch, CURLOPT_URL, htmlspecialchars_decode( $logout_link ) );
        curl_exec( $this->ch );
        
    }
    
    public function Close()
    {
        
        if( isset( $this->ch ) )
        {
            
            curl_close( $this->ch );
            $this->ch = null;
            
        }
        
    }
    
    public function __destruct()
    {
        
        $this->Close();
        
    }
    
}

<?php

$config['user_mail'] = '';
$config['user_pass'] = '';

$config['url_main']     = 'http://m.facebook.com';
$config['url_login']    = '/login.php';
$config['url_friends']  = '/friends.php?pa';


$config['postfields'] = 'email=' . $config['user_mail'] . '&pass=' . $config['user_pass'];

<?php

include_once('FBUnfriended.php');
date_default_timezone_set('Europe/Stockholm');

$fb = new FBUnfriended();
$fb->Login();

$friends = $fb->GetFriends();

echo '<h2>Printing list..</h2>';
echo count($friends);

$fb->Logout();

curl_exec( $this->ch );

Call Stack
#	Time	Memory	Function	Location
1	0.0005	671944	{main}( )	..\index2.php:0
2	1.7273	3071736	FBUnfriended->GetFriends( )	..\index2.php:9
3	1.7273	3071736	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:77
4	22.3406	11960960	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:127
5	25.4342	9712264	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:127
6	26.2831	11447568	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:127
7	28.4434	10085056	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:127
8	29.5425	11578520	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:127
9	29.9657	12480472	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:127

3	1.7273	3071736	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:77
4	22.3406	11960960	FBUnfriended->_getFriendsRecursive( )	..\FBUnfriended.php:127

<?php
include_once('simple_html_dom.php');

$email = '';
$password = '';
$datafile = 'fbfriends.data';

//Behövs om man t.ex. bara kör php-cli (som jag alltså)
date_default_timezone_set('Europe/Stockholm');

//Skriv ett meddelande (eller lagra i en databas o.s.v. om man hellre vill det)
function print_message($typ, $meddelande)
{
      echo(date('Y-m-d H:i:s').": $typ: $meddelande\n");
}

//Hitta alla vänsidor och vänner rekursivt (inte ofta jag tycker att man ska använda rekursivt men här blev det enklare)
function getFriends($ch, $url, $memory = null)
{
      $friends = Array();
      if( $memory == null )
          $memory = Array();
      
      curl_setopt($ch, CURLOPT_URL, 'http://m.facebook.com'.$url);
      $html = str_get_html(curl_exec($ch));
      $lista = $html->find('div[id="sections"]',0)->find('div[class=acw apm]',0)->find('a[class="sec"]');

      if (empty($lista)) 
      { //Vi är nestlade till djupet, lägg till vännerna
	    foreach($html->find('div[class="ib"]') as $friendholder)
		  $friends[] = htmlspecialchars_decode($friendholder->children(1)->children(0)->name, ENT_QUOTES); //kovertera också om någon använder cituationstecken i namnet

	    return $friends;
      }
      else
      { //Vi är inte nestlade till djupet, bäst att gå djupare in
	    foreach ($lista as $link)
            {
                // Kolla om vi hittar den nuvarande länken i minnet - dvs om vi redan gått ner i den
                if( array_search( htmlspecialchars_decode( $link->href ), $memory ) == false )
                {
                    // Om inte, lägg till länken i minnet
                    $memory[] = htmlspecialchars_decode($link->href);
                    // Gå djupare
                    $friends = array_merge($friends, getFriends($ch, htmlspecialchars_decode($link->href), $memory));
                }
                else
                {
                    
                    // Om den fanns, hitta alla vänner på nuvarande sida
                    foreach($html->find('div[class="ib"]') as $friendholder)
                        $friends[] = htmlspecialchars_decode($friendholder->children(1)->children(0)->name, ENT_QUOTES);
                    
                    // Returnera vännerna
                    return $friends;
                    
                }
            }

	    //Inget mer att hämta, gå upp ett steg
	    return $friends;
      }
}

//Sätt upp curlen
$ch = curl_init(); 
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); 
curl_setopt($ch, CURLOPT_POST, 1); 
curl_setopt($ch, CURLOPT_POSTFIELDS, 'email='.urlencode($email).'&pass='.urlencode($password));
curl_setopt($ch, CURLOPT_COOKIEFILE, 1); //Har glömt bort varför jag kör med 1!? Hade säkert någon bra idé och det fungerar ju uppenbart
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);

//Logga in
curl_setopt($ch, CURLOPT_URL,'http://m.facebook.com/login.php');
$html = str_get_html(curl_exec($ch));

//Kontrollera att du loggades in genom att se om du kan logga ut
$loggaut = $html->find('a[data-sigil=logout]');
if (empty($loggaut))
{
      print_message('Error', $html->find('div[id="rootContent"]',0)->children(0)->children(0)->children(0)->innertext);
      die(1);
}

//Hämta alla vänner
$friends = getFriends($ch, '/friends.php');
echo count($friends);

//Logga ut
/* Behövs nog inte igentligen
$loggaut = 'http://m.facebook.com'.$html->find('a[data-sigil=logout]',0)->href;
curl_setopt($ch, CURLOPT_URL, htmlspecialchars_decode($loggaut));
curl_exec($ch);
*/

//Ta bort curl
curl_close($ch);
 
//Ladda in fil med vänner
if (!file_exists($datafile))
{
      print_message('Info','Hittade ingen gammal data att jämföra med - skapar data för framtida bruk');
      touch($datafile); //Skapa filen om den inte finns
}

$prev_friends = unserialize(file_get_contents($datafile));

if (!empty($prev_friends))
{
      $diff = array_diff($prev_friends, $friends);
      if (!empty($diff))
      {
	    //Skriv ut skilnaderna... jag kör outputen till en fil i crontab...
	    foreach($diff as $lost_friend)
		  print_message('Förlorad vän', $lost_friend);
      }
}

//Spara mina nuvarande vänner för nästa gång
file_put_contents($datafile, serialize($friends));

$html = str_get_html(curl_exec($ch));

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