Creating server side script to login in Facebook

Creating script to be able to request in the future the Facebook access token through a complete server-side solution

.gitignore

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+vendor

bootstrap.php

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+<?php
+require_once "vendor/autoload.php";
+
+use HackThursday\Handler\FacebookHandler;
+
+if (!isset($argv[1])) {
+    throw new Exception('You need to pass the cookie file path');
+}
+
+$facebook = new FacebookHandler($argv[1]);
+
+$facebook->login('email', 'pass');
+
+//example request
+$string = $facebook->request('https://facebook.com');

composer.json

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+{
+    "name": "HackThursday/Eventeiro",
+    "description": "Get the events from facebook and generates a json file",
+    "autoload": {
+        "psr-0": {"HackThursday": "src/"}
+    },
+    "authors": [
+        {
+            "name": "Guilherme Quental",
+            "email": "[email protected]"
+        }
+    ],
+    "require": {
+        "facebook/php-sdk": "dev-master"
+    }
+}
+
+

src/HackThursday/Entity/FacebookUser.php

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+<?php
+namespace HackThursday\Entity;
+
+class FacebookUser
+{
+    private $username;
+    private $password;
+
+    public function __construct($username = null, $password = null)
+    {
+        if ($username) {
+            $this->setUsername($username);
+        }
+
+        if ($password) {
+            $this->setPassword($password);
+        }
+    }
+
+    public function setUsername($username)
+    {
+        $this->username = $username;
+
+        return $this;
+    }
+
+    public function setPassword($password)
+    {
+        $this->password = $password;
+
+        return $this;
+    }
+
+    public function getUsername()
+    {
+        return $this->username;
+    }
+
+    public function getPassword()
+    {
+        return $this->password;
+    }
+}

src/HackThursday/Handler/FacebookHandler.php

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+<?php
+namespace HackThursday\Handler;
+
+use HackThursday\Entity\FacebookUser;
+
+class FacebookHandler
+{
+    private $cookiePath;
+    private $user;
+
+    public function __construct($cookiePath)
+    {
+        $this->cookiePath = $cookiePath;
+    }
+
+    public function login($username, $password)
+    {
+        $this->user = new FacebookUser($username, $password);
+
+        $this->retrieveCookiesAndIdentifiers();
+
+        $this->facebookLogin();
+    }
+
+    public function request($url)
+    {
+        return $this->facebookRequest($url);
+    }
+
+    private function retrieveCookiesAndIdentifiers()
+    {
+        //credits to Sony AK Knowledge Center - www.sony-ak.com
+        $curl = curl_init();
+        curl_setopt($curl, CURLOPT_URL, "http://www.facebook.com");
+        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($curl, CURLOPT_ENCODING, "");
+        curl_setopt($curl, CURLOPT_COOKIEJAR, $this->cookiePath);
+        curl_setopt(
+            $curl,
+            CURLOPT_USERAGENT,
+            "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2) 
+            Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)"
+        );
+        $curlData = curl_exec($curl);
+        curl_close($curl);
+
+        $this->identifiers = $this->retrieveIdentifiers($curlData);
+    } 
+
+    private function retrieveIdentifiers($curlData)
+    {
+        //credits to Sony AK Knowledge Center - www.sony-ak.com
+        $charsetTest = substr($curlData, strpos($curlData, "name=\"charset_test\""));
+        $charsetTest = substr($charsetTest, strpos($charsetTest, "value=") + 7);
+        $charsetTest = substr($charsetTest, 0, strpos($charsetTest, "\""));
+
+        $locale = substr($curlData, strpos($curlData, "name=\"locale\""));
+        $locale = substr($locale, strpos($locale, "value=" ) + 7);
+        $locale = substr($locale, 0, strpos($locale, "\""));
+
+        $lsd = substr($curlData, strpos($curlData, "name=\"locale\""));
+        $lsd = substr($lsd, strpos($lsd, "value=") + 7);
+        $lsd = substr( $lsd, 0, strpos($lsd, "\""));
+
+        return array($charsetTest, $locale, $lsd);
+    }
+
+    private function facebookLogin()
+    {
+        return $this->facebookRequest(
+            "https://login.facebook.com/login.php?login_attempt=1"
+        );
+    }
+
+    private function facebookRequest($url)
+    {
+        //credits to Sony AK Knowledge Center - www.sony-ak.com
+        $curl = curl_init();
+        curl_setopt($curl, CURLOPT_URL, $url);
+        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($curl, CURLOPT_POST, 1);
+        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
+
+        list($charsetTest, $locale, $lsd) = $this->identifiers;
+
+        curl_setopt(
+            $curl,
+            CURLOPT_POSTFIELDS, 
+            "charset_test=" . $charsetTest . "&locale=" . $locale .
+            "&non_com_login=&email=" . $this->user->getUsername() .
+            "&pass=" . $this->user->getPassword() .
+            "&charset_test=" . $charsetTest . "&lsd=" . $lsd
+        );
+
+        curl_setopt($curl, CURLOPT_ENCODING, "" );
+        curl_setopt($curl, CURLOPT_COOKIEFILE, $this->cookiePath);
+        curl_setopt($curl, CURLOPT_COOKIEJAR, $this->cookiePath);
+        curl_setopt(
+            $curl,
+            CURLOPT_USERAGENT, 
+            "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2) 
+            Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)"
+        );
+        $curlData = curl_exec ( $curl );
+
+        return $curlData;   
+    }
+
+}