<?php
define("TRACK_FILE", "/tmp/kanshi_track.php");
if (file_exists(TRACK_FILE)) {
	include(TRACK_FILE);
}
class technopian_kanshi {
	var $mail_counter=2;
	function process() {
		$this->sms_login_handler();
	}


	function sms_login_handler() {
		global $kanshiconfig;	
		global $kanshitrack;
		if (empty($kanshitrack)) $kanshitrack=array();
			
		if (isset($kanshitrack['started_but_no_finished']) && (int)$kanshitrack['started_but_no_finished']==1) {
			if (!isset($kanshitrack['mail_counter']) || $kanshitrack['mail_counter'] < $this->mail_counter) {
				if (!isset($kanshitrack['mail_counter'])) $kanshitrack['mail_counter']=0;
				$kanshitrack['mail_counter'] += 1;						
				mail("smsurgent@googlegroups.com", "technopian urgent", "E-school: NO ACCESS");	
				
			}
			$kanshitrack['started_but_no_finished']=0;
			$export_arr="<?php\n\$kanshitrack=".var_export($kanshitrack, true)."\n?>";
			$this->write_file(TRACK_FILE, $export_arr);		
			exit;
		}
		
		$kanshitrack['started_but_no_finished']=1;
		$export_arr="<?php\n\$kanshitrack=".var_export($kanshitrack, true)."\n?>";
		$this->write_file(TRACK_FILE, $export_arr);
		
		
		$result=$this->sms_login("http://e-school.jp/technopian_kanshi_s.php");		
		if (!empty($result)) {
			if (!isset($kanshitrack['mail_counter']) || $kanshitrack['mail_counter'] < $this->mail_counter) {
				if (!isset($kanshitrack['mail_counter'])) $kanshitrack['mail_counter']=0;
				$kanshitrack['mail_counter'] += 1;				
				mail("smsurgent@googlegroups.com", "technopian urgent", $result);	
			}
		} else {
			$kanshitrack['mail_counter']=0;			
		}
		
		$kanshitrack['started_but_no_finished']=0;
		$export_arr="<?php\n\$kanshitrack=".var_export($kanshitrack, true)."\n?>";
		$this->write_file(TRACK_FILE, $export_arr);
			
	}

	function sms_login($checkfile="") {
		$params=array(	
		'mycookies'=>""
		);

		$schoolname="";
		$post_vars = array(
		'checkitem'=>$schoolname
		);


		// build the request body
		$pairs=array();
		foreach($post_vars as $name => $val) {
			$pairs[] = $name . '=' . rawurlencode($val);
		}
		
		$post_body = implode("&", $pairs);

		// HTTP options
		$opts = array(
		'http'=>array(
		'method'=>"POST",
		'header'=>"Content-type: application/x-www-form-urlencoded\r\n" .
		"Content-length: " . strlen($post_body) . "\r\n" .
		"Cookie: {$params['mycookies']}\r\n".
		"Referer: http://technopian.com\r\n" .
		"User-Agent: "."{$_SERVER['HTTP_USER_AGENT']}\r\n" ,
		'content'=>$post_body
		)
		);
		$context = stream_context_create($opts);

		$result="";
		$fp = fopen($checkfile, 'r', false, $context);
		if (!$fp) {
			return "E-School: no access";
		}
		ob_start();
		fpassthru($fp);
		$html=ob_get_clean();
		fclose($fp);
		$result=$html;
		if (strpos($result, "noproblem") !== false) {
			return "";
		} else {
			return $result;
		}
		
		
	}

	function write_log($txt, $log_filename="kanshi_log.txt") {
		
		$fp = fopen( $log_filename, 'a' );


		fwrite( $fp, 'Log at ' . date ("l dS of F Y h:i:s A") . "\n" );

		fwrite( $fp, "\t{$txt}\n" );

		fclose( $fp );
	}


	//File will be rewritten if already exists
	function write_file($filename,$newdata) {
		$f=fopen($filename,"w");
		fwrite($f,$newdata);
		fclose($f);
	}

	function append_file($filename,$newdata) {
		$f=fopen($filename,"a");
		fwrite($f,$newdata);
		fclose($f);
	}

	function read_file($filename) {
		$f=fopen($filename,"r");
		$data=fread($f,filesize($filename));
		fclose($f);
		return $data;
	}
}

$kanshi=new technopian_kanshi();
$kanshi->process();

?>