/ticker_v2_notfinished/class.Ticker.inc.php

<?php



include_once 'class.TickerBase.inc.php';

include_once 'class.TickerMessage.inc.php';



class Ticker extends TickerBase {



	private $list_size;

	private $messages;

	private $messagelist;

	private $conn;

	private $db_table = 'ticker_backup';

	CONST COOKIE_NAME = 'ticker_comment';

	private $mail_conn_string;



	function __construct($list_size = 6) {

		if (parent::readINIsettings() === FALSE) {

			die ("Couldn't load ticker settings");

		} // end if

		$this->setListSize($list_size);

	} // end constructor



	private function setListSize($size = 6) {

		$this->list_size = (int) $size;

		if (isset($this->messagelist)) {

			unset($this->messagelist);

		} // end if

		if (isset($this->messages)) {

			unset($this->messages);

		} // end if

	} // end function



	protected function isValidAuthor($header = '') {

		if (strlen(trim($GLOBALS[TICKER_GLOBALNAME]['Settings']['whitelist'])) == 0) {

			return (boolean) TRUE; // return true if whitelist is empty

		} else {

			@$headerstring = (string) $header;

			if (strlen(trim($headerstring)) === 0) {

				return (boolean) FALSE;

			} // end if

			unset($headerstring);

		}// end if

		/* get e-mail address from mail header and compare it with */

 		$from = $header->fromaddress . ' ' . $header->from[0]->mailbox . '@' . $header->from[0]->host;



		/* convert whitelist to an array */

		if (!is_array($GLOBALS[TICKER_GLOBALNAME]['Settings']['whitelist'])) {

			$GLOBALS[TICKER_GLOBALNAME]['Settings']['whitelist'] = (array) explode(',', $GLOBALS[TICKER_GLOBALNAME]['Settings']['whitelist'])

		}// end if



		foreach ($GLOBALS[TICKER_GLOBALNAME]['Settings']['whitelist'] as $white) {

			if (strpos($from, $white) != FALSE) {

				return (boolean) TRUE; // return true if the e-mail was found in the whitelist

			} // end if

		} // end foreach

		unset($whitelist);

		unset($from);

		return (boolean) FALSE;

	} // end function



	protected function isValidMail(&$header, &$body) {

		$start_string =& $GLOBALS[TICKER_GLOBALNAME]['Settings']['start_string'];

		$start_string_length = (int) strlen($start_string);

		if (($start_string_length === 0) || (isset($header->subject) && $header->subject == $start_string) || (substr_count($body, $start_string) > 0)) {

			return (boolean) TRUE;

		} // end if

		unset($start_string_length);

		return (boolean) FALSE;

	} // end function



	private function createMailConnString() {

		if (!isset($this->mail_conn_string)) {

			$mailbox_setting =& $GLOBALS[TICKER_GLOBALNAME]['Mailbox'];

			$port =& $mailbox_setting['mail_server_port'];

			$mail_type =& $mailbox_setting['mail_server_type'];

			$folder =& $mailbox_setting['folder'];

			$type = (string) (($mail_type == 'POP3') ? 'pop3' : 'imap');

			$conn_string = '{' . $mailbox_setting['mail_server'];



			if ($mailbox_setting['mail_server_ssl'] === TRUE) {

				if ($mailbox_setting['mail_server_sc'] === TRUE) {

					$conn_string .= ':' . $port . '/' . $type . '/ssl/novalidate-cert}';

				} else {

					$conn_string .= ':' . $port . '/' . $type . '/ssl}' . $folder;

				}// end if

			} else {

				$conn_string .= ':' . $port . '}' . $folder;

			}// end if

			$this->mail_conn_string = (string) $conn_string;

		} // end if

	} // end function



	protected function addTickerMessage($message = '', $author = '') {



		/* if message is empty don't add message */

		if (strlen(trim($message)) === 0 || $this->hasMessageWritten() === TRUE) {

			return (boolean) FALSE;

		} // end if



		$settings =& $GLOBALS[TICKER_GLOBALNAME]['Settings'];

		/* if name is given, add it to the message string */

		$message = (string) $settings['start_string'] . $message;

		if (strlen(trim($author)) > 0) {

			$message .= ' &#x2013; ' . $author;

		} // end if



		$this->createMailConnString();

		$mbox = imap_open($this->mail_conn_string, $GLOBALS[TICKER_GLOBALNAME]['Mailbox']['email'],

				$GLOBALS[TICKER_GLOBALNAME]['Mailbox']['password']) or die ('Error: ' . imap_last_error());



		/* add message to the mailbox */

		imap_append($mbox,

					$this->mail_conn_string,

					'From: ' . $GLOBALS[TICKER_GLOBALNAME]['Mailbox']['email'] . "\r\n" .

					'To: ' . $GLOBALS[TICKER_GLOBALNAME]['Mailbox']['email'] . "\r\n" .

					'Subject: ' . $settings['start_string'] . "\r\n\r\n" .

					$message . "\r\n"

                  );

		imap_close($mbox);

		unset($message);

		/*

		mail($GLOBALS[TICKER_GLOBALNAME]['Mailbox']['email'],

			$GLOBALS[TICKER_GLOBALNAME]['Settings']['start_string'],

			$message,

			'From: ' . $GLOBALS[TICKER_GLOBALNAME]['Mailbox']['email'] . "\r\n" . 'X-Mailer: PHP/' . phpversion());

		*/



		/* set cookie and session that user has written a message (prevent flooding) */

		$_SESSION[COOKIE_NAME] = time() + $settings['spamprotection'];

		$_COOKIE[COOKIE_NAME] = time() + $settings['spamprotection'];

		setcookie(COOKIE_NAME, time(), time()+ $settings['spamprotection']);

		//$this->setMessages();

		return (boolean) TRUE;

	} // end function



	protected function hasMessageWritten() {

		if ((isset($_SESSION[COOKIE_NAME]) && time() < $_SESSION[COOKIE_NAME]) || isset($_COOKIE[COOKIE_NAME])) {

			return (boolean) TRUE;

		} // end if

		return (boolean) FALSE;

	} // end function



	protected function setMessages() {

		if (!isset($this->messages)) {

			$this->createMailConnString();

			/* create mailbox connection */

			$mbox = imap_open($this->mail_conn_string, $GLOBALS[TICKER_GLOBALNAME]['Mailbox']['email'], $GLOBALS[TICKER_GLOBALNAME]['Mailbox']['password']) or die ('Error: ' . imap_last_error());



			$settings =& $GLOBALS[TICKER_GLOBALNAME]['Settings'];

			$start_string =& $settings['start_string'];

			$start_string_length = (int) strlen($start_string);

			$headers = imap_headers($mbox);

			$count_mails = (int) count($headers);

			unset($headers);

			$counter = (int) $this->list_size;

			$this->messages = (array) array();



			if ($count_mails > 0) { // if mailbox is not empty

				for ($i = $count_mails; $i > 0; $i--) {

					$header = imap_header($mbox, $i);

					$body = imap_body($mbox, $i);



			 		/* if mail does not fit the rules continue with next

			 			(and maybe delete it) */

			 		if ($this->isValidAuthor($header) === FALSE || $this->isValidMail(&$header, &$body) === FALSE) {

						if ($settings['delete_false_mails'] == TRUE) {

							imap_delete($mbox, $i);

						} // end if

			 			continue;

					} // end if

					/* only go though the fist XX mails

					   the rest will be deleted or archived */

					if ($counter <= 0) { // do this for all mails

						if ($settings['db_backup'] == TRUE) {

							$tm_backup = new TickerMessage($i, $body, $header, imap_fetchstructure($mbox, $i));

							$this->backupMessage($tm_backup);

						} // end if



						if ($settings['delete_old_mails'] == TRUE) {

							imap_delete($mbox, $i);

						} // end if

			 			continue;

					} // end if



					/* create now message object and stick it into an array */

					$tm = new TickerMessage($i, $body, $header, imap_fetchstructure($mbox, $i));

					$this->messages[$i] = $tm;

					$counter--;

				} // end for

				unset($header);

				unset($body);

				unset($tm);

			} // end if

			imap_expunge($mbox);

			imap_close($mbox);

		} // end if

	} // end function



	private function setConnection() {

		if (!isset($this->conn)) {

			$settings =& $GLOBALS[TICKER_GLOBALNAME]['DB'];

			$this->conn = mysql_pconnect($settings['host'], $settings['user'], $settings['password']) or die ('Connection not possible! => ' . mysql_error());

			mysql_select_db($settings['database']) or die ('Couldn\'t connect to "' . $this->database . '" => ' . mysql_error());

			$this->db_table =& $settings['translation_table'];

		} // end if

	} // end function



	private function backupMessage(&$tm) {

		$this->setConnection();

		$sql  = 'INSERT INTO ' . $this->db_table . '(date, message)';

		$sql .= ' VALUES (' . $tm->getTimestamp() . ',"' . addslashes($tm->getText()) . '");';

		$result =  mysql_query($sql, $this->conn) or die ('Request not possible! SQL Statement: ' . $sql . ' / ' . mysql_error());

	} // end function



	protected function setMessageList() {

		if (!isset($this->messagelist)) {

			$this->setMessages();

			$this->messagelist = (array) array_keys($this->messages);

		} // end if

	} // end function



	public function getMessages() {

		$this->setMessages();

		if (isset($this->messages)) {

			return (array) $this->messages;

		} else {

			return (boolean) FALSE;

		} // end if

	} // end if



	public function getMessage($id = -1) {

		$this->setMessages();

		if (array_key_exists($id, $this->messages)) {

			return (object) $this->messages[$id];

		} else {

			return (boolean) FALSE;

		} // end if

	} // end if



	public function getMessageList() {

		$this->setMessageList();

		return (array) $this->messagelist;

	} // end function



	public function getListSize() {

		return (int) $this->list_size;

	} // end function



	public function getStartString() {

		return (string) $GLOBALS[TICKER_GLOBALNAME]['Settings']['start_string'];

	} // end function



	public function getEndString() {

		return (string) $GLOBALS[TICKER_GLOBALNAME]['Settings']['end_string'];

	} // end function



	public function getEmail() {

		return (string) $GLOBALS[TICKER_GLOBALNAME]['Mailbox']['email'];

	} // end function



	public function getMaxMessageSize() {

		return (int) $GLOBALS[TICKER_GLOBALNAME]['Settings']['max_length'];

	} // end function



} // end class Ticker

?>