<?php

/*

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

/**
* Alle E-Mails auf eine E-Plus Handy-Mail Account löschen
*
* Dieses PHP-Script löscht alle E-Mails eines E-Plus
* Handy-Mail Account.
*
* Es wird am besten mittels PHP CLI ausgeführt, dass Handy-Mail
* unglaublich lahm beim löschen von E-Mails ist.
*
* $ php eplus-handy-mail-posteingang-leeren.php
*
* Vorher müssen natürlich die Variablen
*  - $user
*  - $password
* weiter unten befüllt werden.
*
* Dieses Script erfordert PHP >= 5.0.0 mit den Extensions curl und pcre
*
* @author Markus Tacker <m@tacker.org>
* @link http://m.tacker.org/blog/1179.e-plus-handy-mail-alle-e-mails-auf-einmal-loschen.html
* @version 2008-07-10.1
*/
class EPlus_HandyMail
{
	/**
	* @var string Handy-Nummer
	*/
	public static $user = '';

	/**
	* @var string Passwort
	*/
	public static $pass = '';
	
	private $sessionid;
	private $host = 'https://email.eplus.de';
	private $curl;
	private $accountid;
	
	private function __construct()
	{
		$this->curl = curl_init();
		curl_setopt( $this->curl, CURLOPT_COOKIESESSION, true );
	}

	/**
	* Bei Handy-Mail einloggen
	*/
	private function login()
	{
		// Get Login
		curl_setopt( $this->curl, CURLOPT_URL, $this->host . '/login' );
		curl_setopt( $this->curl, CURLOPT_POST, false );
		curl_setopt( $this->curl, CURLOPT_RETURNTRANSFER, true );

		$loginform = curl_exec( $this->curl );

		if ( !preg_match( '#jsessionid=([^\?]+)#i', $loginform, $match ) ) throw new Exception( 'Konnte Session-ID nicht finden.' );
		$this->sessionid = $match[1];

		// Login
		$url = $this->host . '/messaging_as/xhtml%3Bjsessionid=' . $this->sessionid . '?site=e-plus';

		curl_setopt( $this->curl, CURLOPT_URL, $url );
		curl_setopt( $this->curl, CURLOPT_RETURNTRANSFER, true );
		curl_setopt( $this->curl, CURLOPT_HEADER, true );
		curl_setopt( $this->curl, CURLOPT_COOKIE, 'JSESSIONID=' . $this->sessionid );
		curl_setopt( $this->curl, CURLOPT_POST, true );

		$this->setPost( array(
			'user' => self::$user,
			'pass' => self::$pass,
			'view' => 'login',
			'red' => '',
			'site' => 'e-plus',
			'op_login' => 'Einloggen'
		) );

		$message = curl_exec( $this->curl );
		if ( !preg_match( '/accountid=([0-9]+)/', $message, $match ) )  throw new Exception( 'Konnte Account-ID nicht finden.' );
		$this->accountid = $match[ 1 ];
	}

	private function deleteAllMessages()
	{
		$this->login();
		do {
			$messages = $this->fetchMessages();
			foreach( $messages as $id ) $this->deleteMessage( $id );
		} while( !empty( $messages ) );
		echo 'Fertig. Keine Nachrichten (mehr) vorhanden.';
	}

	/**
	* Message-IDs aus dem Posteingang abrufen
	*
	* @return array
	*/
	private function fetchMessages()
	{
		$url = $this->host . '/messaging_as/xhtml%3Bjsessionid=' . $this->sessionid . '?view=folder&accountid=' . $this->accountid . '&frag=1&counter=0&site=e-plus';
		curl_setopt( $this->curl, CURLOPT_URL, $url );
		curl_setopt( $this->curl, CURLOPT_RETURNTRANSFER, true );
		curl_setopt( $this->curl, CURLOPT_POST, false );
		$inbox = curl_exec( $this->curl );

		preg_match_all( '#/messaging_as/xhtml%3Bjsessionid=' . $this->sessionid . '\?view=msg&amp;oid=([^&]+)&amp;frag=[0-9]+&amp;accountid=' . $this->accountid . '&amp;pagenum=[0-9]+&amp;counter=[0-9]+&amp;foldertype=&amp;site=e-plus#i', $inbox, $matches );

		$return = array();
		foreach ( $matches[1] as $match ) $return[] = $match;
		return $return;
	}

	/**
	* Nachricht löschen
	*
	* @param string ID
	*/
	private function deleteMessage( $message_id )
	{
		echo 'Deleting Message ' . $message_id . "\n";

		$url = $this->host . '/messaging_as/xhtml%3Bjsessionid=' . $this->sessionid . '?site=e-plus';

		curl_setopt( $this->curl, CURLOPT_URL, $url );
		curl_setopt( $this->curl, CURLOPT_RETURNTRANSFER, true );
		curl_setopt( $this->curl, CURLOPT_COOKIE, 'JSESSIONID=' . $this->sessionid );
		curl_setopt( $this->curl, CURLOPT_POST, true );
		$this->setPost( array(
			'folderFrag' => '1',
			'folderFragAfterDeletion' => '1',
			'op_delete' => 'Löschen',
			'source' => '',
			'view' => 'delete',
			'accountid' => '',
			'foldertype' => '',
			'oid' => urldecode( $message_id )
		) );

		$message = curl_exec( $this->curl );
	}

	/**
	* Post-Daten setzen
	*/
	private function setPost( array $data )
	{
		$postvars = '';
		foreach( $data as $k => $v ) $postvars .= ( empty( $postvars ) ? '' : '&' ) . urlencode( $k ) . '=' . urlencode( $v );
		curl_setopt( $this->curl, CURLOPT_POSTFIELDS, $postvars );
	}

	/**
	* Einstiegspunkt der Anwendung
	*/
	public static function main()
	{
		error_reporting( E_ALL|E_STRICT );
		ini_set( 'display_errors', 1 );
		ini_set( 'html_errors', 0 );
		$EPlus_HandyMail = new EPlus_HandyMail;
		$EPlus_HandyMail->deleteAllMessages();
	}
}
EPlus_HandyMail::main();