<?
require_once("config.php");

$login 		= (isset($_REQUEST["login"]))	? $_REQUEST["login"]	: "";
$pass 		= (isset($_POST["pass"]))		? $_POST["pass"]		: ""; 
$tz 		= (isset($_REQUEST["tz"]))		? 0+$_REQUEST["tz"] 	: 0;  
$tz2 		= (isset($_REQUEST["tz2"]))		? 0+$_REQUEST["tz2"] 	: 0; 
$si			= (isset($_POST["si"]))			? $_POST["si"] 			: 0; 
$err 		= (isset($_REQUEST["err"]))		? $_REQUEST["err"]		: 0;
$remember 	=  (isset($_REQUEST["rem"]))	? $_REQUEST["rem"]		: 0;
$domain 	= "";
$status 	= "";

// manual setting of error, if gmail is down.
//$err = 19;

// info of demo account
if (file_exists("../demo.php")) {
	require_once("../demo.php");
}

// rewrite signin sequence; Neerav; 30 April 2006
if ($si and !$err) {
	// remember time zone
	setcookie("gmail-lite_timezone", $tz,time()+60*60*24*30); 
	setcookie("gmail-lite_timezone2",$tz2,time()+60*60*24*30);
	

	// banned
	if (is_banned(trim($login))) {
		$err = 99;
		$status = "B";
	}


	// Blank login or password
	if (trim($login) === "" or trim($pass) === "") {
		$err = 11;
		$status = "x";
	}

/* 	if ($remember) { */
/* 		$ttl = time()+60*60*24*7; */
/* 	} else { */
/* 		$ttl = 0; */
/* 	} */

/* 	define("GM_COOKIE_TTL",   	$ttl); */
/* 	$time = $ttl; */

	$time = time()+GM_COOKIE_TTL;

	if (!$err) {
		// connect
		$gm = new GMailer();
		if (!$gm->created) {
			die("fail to create gmailer");
		}
	
		//$login = ereg_replace("(%40|@).*$", '', $login);	// Remove @gmail...
		if (preg_match("(%40|@)",$login,$matched)) {
			// if the login has a domain
			list($login,$domain) = explode($matched[0],$login);
			// if the domain is valid, set the hosted domain
			if (preg_match("/yahoo\.|hotmail\.|msn\.com/i",$domain)) {
				$err = 8;
				$status = 'D';
			} elseif (preg_match("/yourDomain(\.(com|net|org))?/i",$domain)) {
				$err = 7;
				$status = 'd';
			} else {
				if (preg_match("/gmail\.com|googlemail\.com/i",$domain)) {
					$domain = "";
				} else {
					$gm->setDomain($domain);
				}
			}
			
		}
	}
	
	if (!$err) {

		// initialize
		quick_init($gm);
		$timezone = $tz + $tz2;
		$gm->setLoginInfo(trim($login), trim($pass), $timezone);
	
		// connect to Gmail
		if (!$gm->connect()) {
			$login_error = $gm->lastActionStatus('login_error');
	
			if ($login_error == "userpass") {
				// user/password error
				$err = 9;
				$status = 0;
			} elseif ($login_error == "userpass_suggest") {
				// user/password error with suggestion from gmail
				$err = 14;
				$status = "S";
				$login = $gm->lastActionStatus('login_suggest');
			} elseif ($login_error == "blank") {
				// blank username or password
				// shouldn't actually get this far, but here just in case
				$err = 11;
				$status = "x";
			} elseif ($login_error == "challenge") {
				// login challenge
				$err = 12;
				$status = -1;
				$login_token = $gm->lastActionStatus('login_token');
				//$_SESSION['gm_login_png'] = $gm->lastActionStatus('login_token_img');
			} elseif ($login_error == "invalid_domain") {
				// invalid hosted domain name (e.g. yahoo.com, hotmail.com, etc)
				$err = 8;
				$status = 'D';
			} elseif ($login_error == "domain_nonexist") {
				// hosted domain name does not exist
				$err = 7;
				$status = 'd';
			} elseif ($login_error == "URL") {
				// Gmail URL changed
				$err = 19;
				$status = "!URL!";
			} else {
				// connection error
				$err = 15;
				$status = "-";
			}
		}
	}
	
	if (!$err) {

		// fetch initial data
		$q = "search=cat&cat=dummyjusttoretrievesummary&view=tl&start=0&init=1";
		$gm->fetch($q);
		$snapshot = $gm->getSnapshot(GM_STANDARD|GM_LABEL|GM_QUERY|GM_CONVERSATION|GM_PREFERENCE);
	
		//print_r($snapshot);
		//debug_print("signin snapshot: ".print_r($gm,true));
	
		if ($snapshot->created == 0) {
			// error occurred
			header("Location: index.php?err=15");
			exit;
		}
	
		// Webclips; Added by Neerav; 22 April 2006
		if (isset($snapshot->web_clips[0])) {
			$dis_web_clips = true;
		} else {
			$dis_web_clips = false;
		}
	
		// handle persistent information persistently; Neerav; April 2006
		$gmail_address = (isset($snapshot->gmail_email)) ? $snapshot->gmail_email : $login."@gmail.com";
		// javascript; 17 May 2006
		$javascript_on = ((isset($_POST['js_status']) and $_POST['js_status'] == 1) ? 1 : 0);
	
		if ($session_method & GM_USE_PHPSESSION) {
			$_SESSION['signature'] 		= "";
			$_SESSION['gmail_address'] 	= $gmail_address;
			$_SESSION['dis_web_clip'] 	= $dis_web_clips;
			$_SESSION['display_mboxes'] = $snapshot->setting_mobile['display_boxes'];
			$_SESSION['web_clips']		= $snapshot->web_clips;
			$_SESSION['last_mbox']		= "Summary::sum=1";
			// javascript; 17 May 2006
			$_SESSION['js_status']		= ((isset($_POST['js_status']) and $_POST['js_status'] == 1) ? 1 : 0);
			$_SESSION['rte_status']		= ($_SESSION['js_status'] and $snapshot->setting_other['rich_text']) ? 1 : 0;
			// Gmail hosted domains; Added by Neerav; 9 June 2006
			$_SESSION['domain']			= (($domain) ? $domain : 0);
		} else {
			setcookie("gmail-lite_sign", 		base64_encode(""), $time); 
			setcookie("gmail-lite_email", 		base64_encode($gmail_address), $time); 
			setcookie("gmail-lite_webclips", 	(($dis_web_clips) ? 1 : 0), $time);
			if ($dis_web_clips) {
				setcookie("gmail-lite_clips", 	base64_encode(gzcompress(serialize($snapshot->web_clips))));
			} else {
				setcookie("gmail-lite_clips", 	base64_encode(gzcompress(serialize(array()))));
			}
			setcookie("gmail-lite_mboxes", 		base64_encode(gzcompress(serialize($snapshot->setting_mobile['display_boxes']))),$time); 
			setcookie("gmail-lite_last_mbox", 	base64_encode("Summary::sum=1"));
			// javascript; 17 May 2006
			setcookie("gmail-lite_js_status", 	$javascript_on, $time);
			// rich text; 17 May 2006
			if (!isset($_COOKIE['gmail-lite_rte_status']) or ($javascript_on != $_COOKIE['gmail-lite_rte_status'])) {
				setcookie("gmail-lite_rte_status", 	(($javascript_on and $snapshot->setting_other['rich_text']) ? 1 : 0), time()+floor(60*60*24*365.24*5));
			}
			// Gmail hosted domains; Added by Neerav; 9 June 2006
			if ($domain) {
				setcookie("gmail-lite_domain", 	$domain, $time); 
			} else {
				setcookie("gmail-lite_domain", 	"", 1); 
			}
		}
	
		if (isset($gm->raw['p'])) {
			$pref_count = count($gm->raw['p']);
			for ($pref = 0; $pref < $pref_count; $pref++) {
				if ($gm->raw['p'][$pref][0] == "sx_sg" and isset($gm->raw['p'][$pref][1])) {
					$temp_signature = "\r\n\r\n--\r\n".$gm->raw['p'][$pref][1];
					if ($session_method & GM_USE_PHPSESSION) {
						$_SESSION['signature'] = $temp_signature;
					} else {
						setcookie("gmail-lite_sign", base64_encode($temp_signature),$time); 
					}
					break;
				}
			}
		}
	
		// persistent searches; by Neerav; 20 May 2006
		$persist_searches = "0";
		$gm->fetchBox(GM_CONTACT, "search", "zzqqzzqqzzqqzzqqzzqqzzqqzzqqzzqqzzqqzzqq");
		$snapshot2 = $gm->getSnapshot(GM_CONTACT);
		if ($snapshot2->created == 0) {
			// error occurred
			header("Location: index.php?err=15");
			exit;
		}
		if (isset($snapshot2->contacts[0]) and isset($snapshot2->contacts[0]['notes']) and $snapshot2->contacts[0]['notes'] != "") {
			$gm->fetchBox(GM_CONTACT, "detail", $snapshot2->contacts[0]['id']);
			$snapshot2 = $gm->getSnapshot(GM_CONTACT);
			if ($snapshot2->created == 0) {
				// error occurred
				header("Location: index.php?err=15");
				exit;
			}
			//debug_print(print_r($snapshot2->contacts[0]));
			if (isset($snapshot2->contacts[0]) and isset($snapshot2->contacts[0]['notes']) and $snapshot2->contacts[0]['notes'] != "") {
				$persist_searches = $snapshot2->contacts[0]['notes'];
			}
		}
	
		// persistent searches; by Neerav; 20 May 2006
		if ($session_method & GM_USE_PHPSESSION) {
			$_SESSION['searches']		= $persist_searches;
		} else {
			setcookie("gmail-lite_searches", 	base64_encode(gzcompress($persist_searches)), $time);
		}
	
		// signin done, go to summary
		header("Location: main.php?sum=1");
		exit();
	}

} elseif (!$err and isset($_COOKIE[GM_COOKIE_KEY]) and $_COOKIE[GM_COOKIE_KEY] != "") {
	$gm = new GMailer();
	if (!$gm->created) {
		die("fail to create gmailer");
	}
	// initialize
	quick_init($gm);

	// support for hosted domains; Added by Neerav; 9 June 2006
	$domain = get_domain();
	if ($domain !== "") $gm->setDomain($domain);

	// connect to Gmail
	if (!$gm->connect()) {
		header("Location: index.php?err=20");
	} else {
		header("Location: main.php?sum=1");
	}
	exit();

}

$erra = array(
	 0	=>	""
	,1	=>	"You have to sign-in first."
	,7	=>	"Gmail for your domain -- Domain does not exist. Remove the @".$domain." from the username."
	,8	=>	"gmail-lite cannot be used to check ".$domain." accounts."
	,9	=>	"Username and password do not match (You provided ".$login.(($domain)?"@".$domain:"").")"
	,10	=>	"Signin failed. Please check your login/password/cookie setting."
	,11 =>	"Required field cannot be left blank"
	,12	=>	"Gmail has requested login verification, which cannot be done through gmail-lite.  You must sign in through the Gmail website AND wait for a few hours before you can sign in from here.  This MAY be due to:<br />- too many incorrect signin attempts<br />- Gmail thinks your password is too easy to guess, so change your password<br />- other reasons"
	,14	=>	"Username and password do not match. (Did you mean ".$login." ?)"
	,15	=>	"Signin failed. Gmail connection error. Try again after a few minutes."
	,17	=>	"Session expired. Sign in again."
	,19	=>	"Gmail has changed something and broken gmail-lite. Hopefully this can be fixed soon."
	,20	=>	"Cookies expired.  Please sign in again."
	,21	=>	"Missing data.  Please sign in again. If this occurs often, please contact developer below."
	,99	=>	trim($login)." has been barred.  Contact the address below for help."
);

$time_zones = array(
		"-12","-11","-10","-9","-8","-7","-6","-5","-4","-3","-2","-1",
		"0", // GMT
		"1","2","3","4","5","6","7","8","9","10","11","12","13","14"	
);

$time_zones2 = array(
		"0","00","15","30","45"
);

// debugging cookies and signout
//print_r($_COOKIE);

// set the timezone
// make sure the request is valid
if (isset($_REQUEST["tz"])) {
	if (in_array($_REQUEST["tz"],$time_zones)) {
		$timezone = str_replace(" ","+",$_REQUEST["tz"]);
	} else {
		$timezone = "0";
	}
} elseif (isset($_COOKIE["gmail-lite_timezone"]) and in_array($_COOKIE["gmail-lite_timezone"],$time_zones)) {
	$timezone = $_COOKIE["gmail-lite_timezone"];
} else {
	$timezone = "0";
}

if (isset($_REQUEST["tz2"])) {
	if (in_array($_REQUEST["tz2"]*60,$time_zones2)) {
		$timezone2 = $_REQUEST["tz2"]*60;
	} else {
		$timezone2 = "00";
	}
} elseif (isset($_COOKIE["gmail-lite_timezone2"]) and in_array($_COOKIE["gmail-lite_timezone2"]*60,$time_zones2)) {
	$timezone2 = $_COOKIE["gmail-lite_timezone2"]*60;
} else {
	$timezone2 = "00";
}

// expire cookies if there is an error; Added by Neerav; 14 June 2006
setcookie("gmail-lite_sign", "", 1); 
setcookie("gmail-lite_email", "", 1); 
setcookie("gmail-lite_webclips", "", 1); 
setcookie("gmail-lite_mboxes", "", 1); 
setcookie("gmail-lite_clips", "", 1); 
setcookie("gmail-lite_last_mbox", "", 1); 
setcookie("gmail-lite_js_status", "", 1); 
setcookie("gmail-lite_searches", "", 1); 
setcookie("gmail-lite_domain", "", 1); 
if (strpos($_SERVER["HTTP_HOST"],":"))
	$cookie_domain = substr($_SERVER["HTTP_HOST"],0,strpos($_SERVER["HTTP_HOST"],":"));
else
	$cookie_domain = $_SERVER["HTTP_HOST"];
setcookie(GM_COOKIE_KEY, "", 1, "", $cookie_domain);
setcookie(GM_COOKIE_IK_KEY, "", 1, "", $cookie_domain);

print_headers();
?>
<html>
<head>
<? print_meta() ?>
<title>gmail-lite</title>
<meta name="robots" content="noarchive,nofollow,noindex">
<meta name="googlebot" content="noarchive,nofollow,noindex">
<style type="text/css">
body { color: inherit; background-color: white; }
i { font-size: 8pt; color: maroon; background-color: inherit; font-weight: normal;}
p { font-family: arial; font-weight: normal;}
span { font-family: arial; color: black; background-color: inherit; font-weight: bold }
select { font-size: 11pt; font-family: arial; color: black; background-color: default;}
a { font-size: 11pt; font-family: arial; color: navy; background-color: inherit; font-weight: bold }
.announce { font-size: 8pt; border: 1px dashed black; padding: 5px;}
</style> 
</head>
<body>
<p>
<img src="litelogo.gif" alt="gmail-lite"><br />
	<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check Gmail with any browser on planet Earth.</i>
</p>
<p>
	<small>
		<b>
		This "lite" service is NOT provided by Gmail or Google.<br /><br />
		</b>
	</small>
</p>

<? if ($err) echo "<p style=\"color:red\"><b>".$erra[$err]."</b></p>\n"; 

	if ($err != 19 and $err != 12 and $err != 99) {
?>
<form name="signin" action="index.php" method="post">
<p>
	Username: <input type="text" name="login" value=""> <small>add @yourDomain for 'Gmail for your domain' signin</small><br /><br />
	Password: <input type="password" name="pass"><br /><br />
	Time zone: <select name="tz">
<?
   for ($i = -12; $i <= 13; $i++) {
      echo "<option value='".$i."' ";
      if (($i == $timezone)) echo "selected ";
      echo ">".$i."</option>\n";
   }
?></select>:<select name="tz2">
<?
   $min = array("0"=>"00", "0.25"=>"15", "0.5"=>"30", "0.75"=>"45");
   foreach($min as $k => $v) {
      echo "<option value='".$k."' ";
      if ($v == $timezone2) echo "selected ";
      echo ">".$v."</option>\n";
   }
?>
</select> from UTC (GMT)<br /><br />

<?
/* if ($session_method & GM_USE_PHPSESSION) { */
/* 	// remember me NOT for session only */
/* } else { */
/* 	echo '<input type="checkbox" value="1" name="rem">&nbsp;Remember me<br /><br />'; */
/* } */
?>
<script type="text/javascript">
<!--
document.write ('<input type="hidden" name="js_status" value="1">');
-->
</script>
<input type="hidden" name="si" value="1">
<input type="submit" value="Sign-In">
<!-- 	<br /><br /> -->
<!-- 	<small> -->
<!-- 		Tip: to have the timezone set everytime, bookmark <br /> -->
<!-- 		http://glite.sayni.net/?tz=8&amp;tz2=0<br /> -->
<!-- 		and replace the "8" and "0" with your time zone (e.g. /?tz=5&amp;tz2=30) -->
<!-- 	</small> -->
<!-- 	<br /><br /> -->
</p>
</form>
<? } ?>

<p class="announce">
<u><b>Latest gmail-lite News:</b></u><br/>
<? 
	// Changed to a more common location for all developers; Neerav; 9 April 2006	
	$fd = @fopen("http://gmail-lite.sourceforge.net/gmail-lite.latest.txt", "r");
	if ($fd) {
		$str = "";
		while(!feof($fd)) {
			$str .= fread($fd, 4096);
		}
		fclose($fd);
	} else {
		$str = "";
	}
	echo nl2br(str_replace("&","&amp;",$str));
	if (isset($demo_message)) echo $demo_message;
?>
</p>
</body>
</html>
<? 

exit;

function is_banned($login) {

	// copy the commented line and add usernames that should not be able to sign in through this
	// installation, usually due to abuse, etc.

	switch($login) {
		//case "username": return true; break; 
		
	}
}