BCAParser.php

<?php

namespace morningbird\bcaparser;

/**
 * Handle login request on m.bca
 *
 * no long description
 *
 * @author     kadekjayak <kadekjayak@yahoo.co.id>
 * @copyright  2016 kadekjayak
 * @license   http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
 * @version    0.1
 */

define('BCA_PARSER_DEBUG', false);



class BCAParser {
	
	private $username;
	private $password;
	
	protected $curlHandle;

	public $_defaultTargets = [
		'loginUrl' => 'https://m.klikbca.com/login.jsp',
		'loginAction' => 'https://m.klikbca.com/authentication.do',
		'logoutAction' => 'https://m.klikbca.com/authentication.do?value(actions)=logout'
	];
	protected $isLoggedIn = false;
	
	protected $ipAddress;
	
	public $_defaultHeaders = array(
		'GET /login.jsp HTTP/1.1',
		'Host: m.klikbca.com',
		'Connection: keep-alive',
		'Cache-Control: max-age=0',
		'Upgrade-Insecure-Requests: 1',
		'User-Agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.76 Mobile Safari/537.36',
		'Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
		'Accept-Encoding: gzip, deflate, sdch, br',
		'Accept-Language: en-US,en;q=0.8,id;q=0.6,fr;q=0.4'
	);
	
	/**
	* The Constructor
	* this class will make login request to BCA when initialized
	*
	* @param string $username
	* @param string $password
	*/
	public function __construct($username, $password)
	{
		if( BCA_PARSER_DEBUG == true ) error_reporting(E_ALL);
		$this->username = $username;
		$this->password = $password;
		$this->curlHandle = curl_init();
		$this->setupCurl();
		$this->login($this->username, $this->password);
	}
	
	/**
	* Get ip address, required on login parameters
	*
	* @return String;
	*/
	private function getIpAddress()
	{
		if($this->ipAddress !== null) $this->ipAddress = json_decode( file_get_contents( 'http://myjsonip.appspot.com/' ) )->ip;
		return $this->ipAddress;

	}
	
	/**
	* Execute the CURL and return result
	*
	* @return curl result
	*/
	public function exec()
	{
		$result = curl_exec($this->curlHandle);
		if( BCA_PARSER_DEBUG == true ) {
			$http_code = curl_getinfo($this->curlHandle, CURLINFO_HTTP_CODE);
			print_r($result);

			/**
			* Perlu diwapadai jangan melakukan pengecekan dengan interval waktu dibawah 10 menit ! 
			*/
			if($http_code == 302) {
				echo 'HALAMAN DIREDIRECT, harap tunggu beberapa menit ( biasanya 10 Menit! )';
				exit;
			}

		}
		return $result;
	}
	
	/**
	* Register default CURL parameters
	*/
	protected function setupCurl()
	{
		curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['loginUrl'] );
		curl_setopt( $this->curlHandle, CURLOPT_POST, 0 );
		curl_setopt( $this->curlHandle, CURLOPT_HTTPGET, 1 );
		curl_setopt( $this->curlHandle, CURLOPT_HTTPHEADER, $this->_defaultHeaders);
		curl_setopt( $this->curlHandle, CURLOPT_SSL_VERIFYPEER, false );
		curl_setopt( $this->curlHandle, CURLOPT_RETURNTRANSFER, true );
		curl_setopt( $this->curlHandle, CURLOPT_COOKIEFILE,'cookie' );
		curl_setopt( $this->curlHandle, CURLOPT_COOKIEJAR, 'cookiejar' );
	}
	
	/**
	* Set request method on CURL to GET 
	*/
	protected function curlSetGet()
	{
		curl_setopt( $this->curlHandle, CURLOPT_POST, 0 );
		curl_setopt( $this->curlHandle, CURLOPT_HTTPGET, 1 );
	}
	
	/**
	* Set request method on CURL to POST 
	*/
	protected function curlSetPost()
	{
		curl_setopt( $this->curlHandle, CURLOPT_POST, 1 );
		curl_setopt( $this->curlHandle, CURLOPT_HTTPGET, 0 );
	}
	
	/**
	* Login to BCA
	*/
	private function login($username, $password)
	{
		//Just to Get Cookies
		curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['loginUrl'] );
		$this->curlSetGet();
		$this->exec();
		
		//Sending Login Info
		$this->getIpAddress();
		$params = array(
			"value(user_id)={$username}",
			"value(pswd)={$password}",
			'value(Submit)=LOGIN',
			'value(actions)=login',
			"value(user_ip)={$this->ipAddress}",
			"user_ip={$this->ipAddress}",
			'value(mobile)=true',
			'mobile=true'
		);
		$params = implode( '&', $params );
		$this->curlSetPost();
		curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['loginAction'] );
		curl_setopt( $this->curlHandle, CURLOPT_REFERER, $this->_defaultTargets['loginUrl'] );
		curl_setopt( $this->curlHandle, CURLOPT_POSTFIELDS, $params );
		$this->exec();
		$this->isLoggedIn = true;
	}
	
	/**
	* Get mutasi rekening pages
	*
	* @param string $from 'Y-m-d'
	* @param string $to 'Y-m-d'
	* @return string
	*/
	public function getMutasiRekening($from, $to)
	{
		if( !$this->isLoggedIn ) $this->login( $this->username, $this->password );
		
		$this->curlSetPost();
		
		curl_setopt( $this->curlHandle, CURLOPT_URL, 'https://m.klikbca.com/accountstmt.do?value(actions)=menu' );
		curl_setopt( $this->curlHandle, CURLOPT_REFERER, $this->_defaultTargets['loginAction'] );
		$this->exec();

		curl_setopt( $this->curlHandle, CURLOPT_URL, 'https://m.klikbca.com/accountstmt.do?value(actions)=acct_stmt' );
		curl_setopt( $this->curlHandle, CURLOPT_REFERER, 'https://m.klikbca.com/accountstmt.do?value(actions)=menu' );
		$this->exec();
		
		$params = array( 
				'r1=1', 
				'value(D1)=0', 
				'value(startDt)=' . date( 'j', strtotime($from) ), 
				'value(startMt)=' . date( 'n', strtotime($from) ), 
				'value(startYr)=' . date( 'Y', strtotime($from) ),
				'value(endDt)=' . date( 'j', strtotime($to) ),
				'value(endMt)=' . date( 'n', strtotime($to) ), 
				'value(endYr)=' . date( 'Y', strtotime($to) ) 
				);
		$params = implode( '&', $params );
		
		curl_setopt( $this->curlHandle, CURLOPT_URL, 'https://m.klikbca.com/accountstmt.do?value(actions)=acctstmtview' );
		curl_setopt( $this->curlHandle, CURLOPT_REFERER, 'https://m.klikbca.com/accountstmt.do?value(actions)=acct_stmt' );
		curl_setopt( $this->curlHandle, CURLOPT_POSTFIELDS, $params );
		$html = $this->exec();

		return $this->getMutasiRekeningTable($html);
	}
	
	/**
	* Parse the pages on mutasi rekening
	* this method will return only elements on <table> tag that contain only list of transaction
	*
	* @param string $html
	* @return string
	*/
	private function getMutasiRekeningTable($html)
	{
		$dom = new \DOMDocument();
	
		if ( BCA_PARSER_DEBUG ) {
			$dom->loadHTML($html);	
		} else {
			@$dom->loadHTML($html);	
		}
		
		$dom->getElementById('pagebody');
		
		$table = $dom->getElementsByTagName('table');
		$table = $table->item(4);
		return $dom->saveHTML($table);
	}


	private function getArrayValues($html)
	{
		$dom = new \DOMDocument();
		$dom->loadHTML($html);
		$table = $dom->getElementsByTagName('table');
		$rows = $dom->getElementsByTagName('tr');

		$datas = [];
		for ($i = 0; $i < $rows->length; $i++) {
			if($i== 0 ) continue;
		    $cols = $rows->item($i)->getElementsbyTagName("td");

		    $date = $cols->item(0)->nodeValue;
//		    $date = explode('/', $date);
//		    $date = date('Y') . '-' . $date[1] . '-' . $date[0];

		    $description = $cols->item(1);
		    $flows = $cols->item(2)->nodeValue;
		    $descriptionText = $dom->saveHTML($description);

		    $descriptionText = str_replace('<td>', '', $descriptionText);
		    $descriptionText = str_replace('</td>', '', $descriptionText);
		    $description = explode('<br>', $descriptionText);
                    $amount = str_replace(',', '', end($description));
                    $description = implode(' ', $description);
		    $data = compact('date','description', 'flows', 'amount');
		    $datas[] = $data;
		}
		return $datas;
	}


	/**
	* Ambil daftar transaksi pada janga waktu tertentu
	*
	*
	* @param string $from 'Y-m-d'
	* @param string $to 'Y-m-d'
	* @return array
	**/
	public function getListTransaksi($from, $to)
	{
		$result = $this->getMutasiRekening($from, $to);
		$result = $this->getArrayValues($result);
		return $result;
	}

	/**
	* getTransaksiCredit
	*
	* Ambil semua list transaksi credit (kas Masuk)
	*
	* @param string $from 'Y-m-d'
	* @param string $to 'Y-m-d'
	* @return array
	*/
	public function getTransaksiCredit($from, $to)
	{
		$result = $this->getListTransaksi($from, $to);
		$result = array_filter($result, function($row){
			return $row['flows'] == 'CR';
		});
		return $result;
	}

	/**
	* getTransaksiDebit
	*
	* Ambil semua list transaksi debit (kas Keluar)
	* Struktur data tidak konsisten !, tergantung dari jenis transaksi
	*
	* @param string $from 'Y-m-d'
	* @param string $to 'Y-m-d'
	* @return array
	*/
	public function getTransaksiDebit($from, $to)
	{
		$result = $this->getListTransaksi($from, $to);
		$result = array_filter($result, function($row){
			return $row['flows'] == 'DB';
		});
		return $result;
	}


	/**
	* Logout
	* 
	* Logout from KlikBca website
	* Lakukan logout setiap transaksi berakhir!
	*
	* @return string
	*/
	public function logout()
	{
		$this->curlSetGet();
		curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['logoutAction'] );
		curl_setopt( $this->curlHandle, CURLOPT_REFERER, $this->_defaultTargets['loginUrl'] );
		return $this->exec();
	}

}