<?php
/* Copyright (C) 2009-2015 Regis Houssin       <regis.houssin@inodbox.com>
 * Copyright (C) 2011-2022 Laurent Destailleur <eldy@users.sourceforge.net>
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

// Need global variable $urllogo, $title and $titletruedolibarrversion to be defined by caller (like dol_loginfunction in security2.lib.php)
// Caller can also set 	$morelogincontent = array(['options']=>array('js'=>..., 'table'=>...);
// $titletruedolibarrversion must be defined

if (!defined('NOBROWSERNOTIF')) {
	define('NOBROWSERNOTIF', 1);
}

// Protection to avoid direct call of template
if (empty($conf) || !is_object($conf)) {
	print "Error, template page can't be called as URL";
	exit;
}

// DDOS protection
$size = (empty($_SERVER['CONTENT_LENGTH']) ? 0 : (int) $_SERVER['CONTENT_LENGTH']);
if ($size > 10000) {
	$langs->loadLangs(array("errors", "install"));
	httponly_accessforbidden('<center>'.$langs->trans("ErrorRequestTooLarge").'.<br><a href="'.DOL_URL_ROOT.'">'.$langs->trans("ClickHereToGoToApp").'</a></center>', 413, 1);
}

require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';


header('Cache-Control: Public, must-revalidate');
header("Content-type: text/html; charset=".$conf->file->character_set_client);

if (GETPOST('dol_hide_topmenu')) {
	$conf->dol_hide_topmenu = 1;
}
if (GETPOST('dol_hide_leftmenu')) {
	$conf->dol_hide_leftmenu = 1;
}
if (GETPOST('dol_optimize_smallscreen')) {
	$conf->dol_optimize_smallscreen = 1;
}
if (GETPOST('dol_no_mouse_hover')) {
	$conf->dol_no_mouse_hover = 1;
}
if (GETPOST('dol_use_jmobile')) {
	$conf->dol_use_jmobile = 1;
}

// If we force to use jmobile, then we reenable javascript
if (!empty($conf->dol_use_jmobile)) {
	$conf->use_javascript_ajax = 1;
}

$php_self = empty($php_self) ? dol_escape_htmltag($_SERVER['PHP_SELF']) : $php_self;
$php_self .= dol_escape_htmltag($_SERVER["QUERY_STRING"]) ? '?'.dol_escape_htmltag($_SERVER["QUERY_STRING"]) : '';
if (!preg_match('/mainmenu=/', $php_self)) {
	$php_self .= (preg_match('/\?/', $php_self) ? '&' : '?').'mainmenu=home';
}
if (preg_match('/'.preg_quote('core/modules/oauth', '/').'/', $php_self)) {
	$php_self = DOL_URL_ROOT.'/index.php?mainmenu=home';
}
$php_self = preg_replace('/(\?|&amp;|&)action=[^&]+/', '\1', $php_self);
$php_self = preg_replace('/(\?|&amp;|&)massaction=[^&]+/', '\1', $php_self);
$php_self = preg_replace('/(\?|&amp;|&)token=[^&]+/', '\1', $php_self);

// Javascript code on logon page only to detect user tz, dst_observed, dst_first, dst_second
$arrayofjs = array(
	'/includes/jstz/jstz.min.js'.(empty($conf->dol_use_jmobile) ? '' : '?version='.urlencode(DOL_VERSION)),
	'/core/js/dst.js'.(empty($conf->dol_use_jmobile) ? '' : '?version='.urlencode(DOL_VERSION))
);

// We display application title instead Login term
if (!empty($conf->global->MAIN_APPLICATION_TITLE)) {
	$titleofloginpage = $conf->global->MAIN_APPLICATION_TITLE;
} else {
	$titleofloginpage = $langs->trans('Login');
}
$titleofloginpage .= ' @ '.$titletruedolibarrversion; // $titletruedolibarrversion is defined by dol_loginfunction in security2.lib.php. We must keep the @, some tools use it to know it is login page and find true dolibarr version.

$disablenofollow = 1;
if (!preg_match('/'.constant('DOL_APPLICATION_TITLE').'/', $title)) {
	$disablenofollow = 0;
}
if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
	$disablenofollow = 0;
}

top_htmlhead('', $titleofloginpage, 0, 0, $arrayofjs, array(), 1, $disablenofollow);


$colorbackhmenu1 = '60,70,100'; // topmenu
if (!isset($conf->global->THEME_ELDY_TOPMENU_BACK1)) {
	$conf->global->THEME_ELDY_TOPMENU_BACK1 = $colorbackhmenu1;
}
$colorbackhmenu1 = empty($user->conf->THEME_ELDY_ENABLE_PERSONALIZED) ? (empty($conf->global->THEME_ELDY_TOPMENU_BACK1) ? $colorbackhmenu1 : $conf->global->THEME_ELDY_TOPMENU_BACK1) : (empty($user->conf->THEME_ELDY_TOPMENU_BACK1) ? $colorbackhmenu1 : $user->conf->THEME_ELDY_TOPMENU_BACK1);
$colorbackhmenu1 = join(',', colorStringToArray($colorbackhmenu1)); // Normalize value to 'x,y,z'

print "<!-- BEGIN PHP TEMPLATE LOGIN.TPL.PHP -->\n";

if (!empty($conf->global->ADD_UNSPLASH_LOGIN_BACKGROUND)) {
	// For example $conf->global->ADD_UNSPLASH_LOGIN_BACKGROUND = 'https://source.unsplash.com/random'
	?>
	<body class="body bodylogin" style="background-image: url('<?php echo dol_escape_htmltag($conf->global->ADD_UNSPLASH_LOGIN_BACKGROUND); ?>'); background-repeat: no-repeat; background-position: center center; background-attachment: fixed; background-size: cover; background-color: #ffffff;">
	<?php
} else {
	?>
	<body class="body bodylogin"<?php print empty($conf->global->MAIN_LOGIN_BACKGROUND) ? '' : ' style="background-size: cover; background-position: center center; background-attachment: fixed; background-repeat: no-repeat; background-image: url(\''.DOL_URL_ROOT.'/viewimage.php?cache=1&noalt=1&modulepart=mycompany&file=logos/'.urlencode($conf->global->MAIN_LOGIN_BACKGROUND).'\')"'; ?>>
	<?php
}
?>

<?php if (empty($conf->dol_use_jmobile)) { ?>
<script>
$(document).ready(function () {
	/* Set focus on correct field */
	<?php if ($focus_element) {
		?>$('#<?php echo $focus_element; ?>').focus(); <?php
	} ?>		// Warning to use this only on visible element
});
</script>
<?php } ?>

<div class="login_center center"<?php
if (empty($conf->global->ADD_UNSPLASH_LOGIN_BACKGROUND)) {
	$backstyle = 'background: linear-gradient('.($conf->browser->layout == 'phone' ? '0deg' : '4deg').', rgb(240,240,240) 52%, rgb('.$colorbackhmenu1.') 52.1%);';
	// old style:  $backstyle = 'background-image: linear-gradient(rgb('.$colorbackhmenu1.',0.3), rgb(240,240,240));';
	$backstyle = getDolGlobalString('MAIN_LOGIN_BACKGROUND_STYLE', $backstyle);
	print empty($conf->global->MAIN_LOGIN_BACKGROUND) ? ' style="background-size: cover; background-position: center center; background-attachment: fixed; background-repeat: no-repeat; '.$backstyle.'"' : '';
}
?>>
<div class="login_vertical_align">


<form id="login" name="login" method="post" action="<?php echo $php_self; ?>">

<input type="hidden" name="token" value="<?php echo newToken(); ?>" />
<input type="hidden" name="actionlogin" value="login">
<input type="hidden" name="loginfunction" value="loginfunction" />
<input type="hidden" name="backtopage" value="<?php echo GETPOST('backtopage'); ?>" />
<!-- Add fields to store and send local user information. This fields are filled by the core/js/dst.js -->
<input type="hidden" name="tz" id="tz" value="" />
<input type="hidden" name="tz_string" id="tz_string" value="" />
<input type="hidden" name="dst_observed" id="dst_observed" value="" />
<input type="hidden" name="dst_first" id="dst_first" value="" />
<input type="hidden" name="dst_second" id="dst_second" value="" />
<input type="hidden" name="screenwidth" id="screenwidth" value="" />
<input type="hidden" name="screenheight" id="screenheight" value="" />
<input type="hidden" name="dol_hide_topmenu" id="dol_hide_topmenu" value="<?php echo $dol_hide_topmenu; ?>" />
<input type="hidden" name="dol_hide_leftmenu" id="dol_hide_leftmenu" value="<?php echo $dol_hide_leftmenu; ?>" />
<input type="hidden" name="dol_optimize_smallscreen" id="dol_optimize_smallscreen" value="<?php echo $dol_optimize_smallscreen; ?>" />
<input type="hidden" name="dol_no_mouse_hover" id="dol_no_mouse_hover" value="<?php echo $dol_no_mouse_hover; ?>" />
<input type="hidden" name="dol_use_jmobile" id="dol_use_jmobile" value="<?php echo $dol_use_jmobile; ?>" />



<!-- Title with version -->
<div class="login_table_title center" title="<?php echo dol_escape_htmltag($title); ?>">
<?php
if ($disablenofollow) {
	echo '<a class="login_table_title" href="https://www.dolibarr.org" target="_blank" rel="noopener noreferrer external">';
}
echo dol_escape_htmltag($title);
if ($disablenofollow) {
	echo '</a>';
}
?>
</div>



<div class="login_table">

<div id="login_line1">

<div id="login_left">
<img alt="" src="<?php echo $urllogo; ?>" id="img_logo" />
</div>

<br>

<div id="login_right">

<div class="tagtable left centpercent" title="<?php echo $langs->trans("EnterLoginDetail"); ?>">

<!-- Login -->
<div class="trinputlogin">
<div class="tagtd nowraponall center valignmiddle tdinputlogin">
<?php if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
	?><label for="username" class="hidden"><?php echo $langs->trans("Login"); ?></label><?php
} ?>
<!-- <span class="span-icon-user">-->
<span class="fa fa-user"></span>
<input type="text" id="username" maxlength="255" placeholder="<?php echo $langs->trans("Login"); ?>" name="username" class="flat input-icon-user minwidth150" value="<?php echo dol_escape_htmltag($login); ?>" tabindex="1" autofocus="autofocus" />
</div>
</div>

<!-- Password -->
<div class="trinputlogin">
<div class="tagtd nowraponall center valignmiddle tdinputlogin">
<?php if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
	?><label for="password" class="hidden"><?php echo $langs->trans("Password"); ?></label><?php
} ?>
<!--<span class="span-icon-password">-->
<span class="fa fa-key"></span>
<input type="password" id="password" maxlength="128" placeholder="<?php echo $langs->trans("Password"); ?>" name="password" class="flat input-icon-password minwidth150" value="<?php echo dol_escape_htmltag($password); ?>" tabindex="2" autocomplete="<?php echo empty($conf->global->MAIN_LOGIN_ENABLE_PASSWORD_AUTOCOMPLETE) ? 'off' : 'on'; ?>" />
</div></div>

<?php
if (!empty($captcha)) {
	// Add a variable param to force not using cache (jmobile)
	$php_self = preg_replace('/[&\?]time=(\d+)/', '', $php_self); // Remove param time
	if (preg_match('/\?/', $php_self)) {
		$php_self .= '&time='.dol_print_date(dol_now(), 'dayhourlog');
	} else {
		$php_self .= '?time='.dol_print_date(dol_now(), 'dayhourlog');
	}
	// TODO: provide accessible captcha variants
	?>
	<!-- Captcha -->
	<div class="trinputlogin">
	<div class="tagtd none valignmiddle tdinputlogin nowrap">

	<span class="fa fa-unlock"></span>
	<span class="span-icon-security inline-block">
	<input id="securitycode" placeholder="<?php echo $langs->trans("SecurityCode"); ?>" class="flat input-icon-security width125" type="text" maxlength="5" name="code" tabindex="3" autocomplete="off" />
	</span>
	<span class="nowrap inline-block">
	<img class="inline-block valignmiddle" src="<?php echo DOL_URL_ROOT ?>/core/antispamimage.php" border="0" width="80" height="32" id="img_securitycode" />
	<a class="inline-block valignmiddle" href="<?php echo $php_self; ?>" tabindex="4" data-role="button"><?php echo $captcha_refresh; ?></a>
	</span>

	</div></div>
	<?php
}

if (!empty($morelogincontent)) {
	if (is_array($morelogincontent)) {
		foreach ($morelogincontent as $format => $option) {
			if ($format == 'table') {
				echo '<!-- Option by hook -->';
				echo $option;
			}
		}
	} else {
		echo '<!-- Option by hook -->';
		echo $morelogincontent;
	}
}

?>

</div>

</div> <!-- end div login_right -->

</div> <!-- end div login_line1 -->


<div id="login_line2" style="clear: both">

<!-- Button Connection -->
<br>
<div id="login-submit-wrapper">
<input type="submit" class="button" value="&nbsp; <?php echo $langs->trans('Connection'); ?> &nbsp;" tabindex="5" />
</div>

<?php
if ($forgetpasslink || $helpcenterlink) {
	$moreparam = '';
	if ($dol_hide_topmenu) {
		$moreparam .= (strpos($moreparam, '?') === false ? '?' : '&').'dol_hide_topmenu='.$dol_hide_topmenu;
	}
	if ($dol_hide_leftmenu) {
		$moreparam .= (strpos($moreparam, '?') === false ? '?' : '&').'dol_hide_leftmenu='.$dol_hide_leftmenu;
	}
	if ($dol_no_mouse_hover) {
		$moreparam .= (strpos($moreparam, '?') === false ? '?' : '&').'dol_no_mouse_hover='.$dol_no_mouse_hover;
	}
	if ($dol_use_jmobile) {
		$moreparam .= (strpos($moreparam, '?') === false ? '?' : '&').'dol_use_jmobile='.$dol_use_jmobile;
	}

	echo '<br>';
	echo '<div class="center" style="margin-top: 5px;">';
	if ($forgetpasslink) {
		$url = DOL_URL_ROOT.'/user/passwordforgotten.php'.$moreparam;
		if (!empty($conf->global->MAIN_PASSWORD_FORGOTLINK)) {
			$url = $conf->global->MAIN_PASSWORD_FORGOTLINK;
		}
		echo '<a class="alogin" href="'.dol_escape_htmltag($url).'">';
		echo $langs->trans('PasswordForgotten');
		echo '</a>';
	}

	if ($forgetpasslink && $helpcenterlink) {
		echo '&nbsp;-&nbsp;';
	}

	if ($helpcenterlink) {
		$url = DOL_URL_ROOT.'/support/index.php'.$moreparam;
		if (!empty($conf->global->MAIN_HELPCENTER_LINKTOUSE)) {
			$url = $conf->global->MAIN_HELPCENTER_LINKTOUSE;
		}
		echo '<a class="alogin" href="'.dol_escape_htmltag($url).'" target="_blank" rel="noopener noreferrer">';
		echo $langs->trans('NeedHelpCenter');
		echo '</a>';
	}
	echo '</div>';
}

if (isset($conf->file->main_authentication) && preg_match('/openid/', $conf->file->main_authentication)) {
	$langs->load("users");

	//if (!empty($conf->global->MAIN_OPENIDURL_PERUSER)) $url=
	echo '<br>';
	echo '<div class="center" style="margin-top: 4px;">';

	$url = $conf->global->MAIN_AUTHENTICATION_OPENID_URL;
	if (!empty($url)) {
		print '<a class="alogin" href="'.$url.'">'.$langs->trans("LoginUsingOpenID").'</a>';
	} else {
		$langs->load("errors");
		print '<span class="warning">'.$langs->trans("ErrorOpenIDSetupNotComplete", 'MAIN_AUTHENTICATION_OPENID_URL').'</span>';
	}

	echo '</div>';
}

if (isset($conf->file->main_authentication) && preg_match('/google/', $conf->file->main_authentication)) {
	$langs->load("users");

	global $dolibarr_main_url_root;

	// Define $urlwithroot
	$urlwithouturlroot = preg_replace('/'.preg_quote(DOL_URL_ROOT, '/').'$/i', '', trim($dolibarr_main_url_root));
	$urlwithroot = $urlwithouturlroot.DOL_URL_ROOT; // This is to use external domain name found into config file
	//$urlwithroot=DOL_MAIN_URL_ROOT;					// This is to use same domain name than current

	echo '<br>';
	echo '<div class="center" style="margin-top: 4px;">';

	//$shortscope = 'userinfo_email,userinfo_profile';
	$shortscope = 'openid,email,profile';	// For openid connect

	$oauthstateanticsrf = bin2hex(random_bytes(128/8));
	$_SESSION['oauthstateanticsrf'] = $shortscope.'-'.$oauthstateanticsrf;
	$urltorenew = $urlwithroot.'/core/modules/oauth/google_oauthcallback.php?shortscope='.$shortscope.'&state=forlogin-'.$shortscope.'-'.$oauthstateanticsrf;

	$url = $urltorenew;

	print img_picto('', 'google', 'class="pictofixedwidth"').'<a class="alogin" href="'.$url.'">'.$langs->trans("LoginWith", "Google").'</a>';

	echo '</div>';
}

?>

</div> <!-- end login line 2 -->

</div> <!-- end login table -->


</form>


<?php
// Show error message if defined
if (!empty($_SESSION['dol_loginmesg'])) {
	?>
	<div class="center login_main_message">
	<?php
	$message = $_SESSION['dol_loginmesg'];	// By default this is an error message
	if (preg_match('/<!-- warning -->/', $message)) {	// if it contains this comment, this is a warning message
		$message = str_replace('<!-- warning -->', '', $message);
		print '<div class="warning">';
	} else {
		print '<div class="error">';
	}
	print dol_escape_htmltag($message);
	print '</div>';
	?>
	</div>
	<?php
}

// Add commit strip
if (!empty($conf->global->MAIN_EASTER_EGG_COMMITSTRIP)) {
	include_once DOL_DOCUMENT_ROOT.'/core/lib/geturl.lib.php';
	if (substr($langs->defaultlang, 0, 2) == 'fr') {
		$resgetcommitstrip = getURLContent("https://www.commitstrip.com/fr/feed/");
	} else {
		$resgetcommitstrip = getURLContent("https://www.commitstrip.com/en/feed/");
	}
	if ($resgetcommitstrip && $resgetcommitstrip['http_code'] == '200') {
		$xml = simplexml_load_string($resgetcommitstrip['content'], 'SimpleXMLElement', LIBXML_NOCDATA|LIBXML_NONET);
		$little = $xml->channel->item[0]->children('content', true);
		print preg_replace('/width="650" height="658"/', '', $little->encoded);
	}
}

?>

<?php if ($main_home) {
	?>
	<div class="center login_main_home paddingtopbottom <?php echo empty($conf->global->MAIN_LOGIN_BACKGROUND) ? '' : ' backgroundsemitransparent boxshadow'; ?>" style="max-width: 70%">
	<?php echo $main_home; ?>
	</div><br>
	<?php
}
?>

<!-- authentication mode = <?php echo $main_authentication ?> -->
<!-- cookie name used for this session = <?php echo $session_name ?> -->
<!-- urlfrom in this session = <?php echo isset($_SESSION["urlfrom"]) ? $_SESSION["urlfrom"] : ''; ?> -->

<!-- Common footer is not used for login page, this is same than footer but inside login tpl -->

<?php
if (!empty($conf->global->MAIN_HTML_FOOTER)) {
	print $conf->global->MAIN_HTML_FOOTER;
}

if (!empty($morelogincontent) && is_array($morelogincontent)) {
	foreach ($morelogincontent as $format => $option) {
		if ($format == 'js') {
			echo "\n".'<!-- Javascript by hook -->';
			echo $option."\n";
		}
	}
} elseif (!empty($moreloginextracontent)) {
	echo '<!-- Javascript by hook -->';
	echo $moreloginextracontent;
}

// Google Analytics
// TODO Add a hook here
if (!empty($conf->google->enabled) && !empty($conf->global->MAIN_GOOGLE_AN_ID)) {
	$tmptagarray = explode(',', $conf->global->MAIN_GOOGLE_AN_ID);
	foreach ($tmptagarray as $tmptag) {
		print "\n";
		print "<!-- JS CODE TO ENABLE for google analtics tag -->\n";
		print "
					<!-- Global site tag (gtag.js) - Google Analytics -->
					<script async src=\"https://www.googletagmanager.com/gtag/js?id=".trim($tmptag)."\"></script>
					<script>
					window.dataLayer = window.dataLayer || [];
					function gtag(){dataLayer.push(arguments);}
					gtag('js', new Date());

					gtag('config', '".trim($tmptag)."');
					</script>";
		print "\n";
	}
}

// TODO Replace this with a hook
// Google Adsense (need Google module)
if (!empty($conf->google->enabled) && !empty($conf->global->MAIN_GOOGLE_AD_CLIENT) && !empty($conf->global->MAIN_GOOGLE_AD_SLOT)) {
	if (empty($conf->dol_use_jmobile)) {
		?>
	<div class="center"><br>
		<script><!--
			google_ad_client = "<?php echo $conf->global->MAIN_GOOGLE_AD_CLIENT ?>";
			google_ad_slot = "<?php echo $conf->global->MAIN_GOOGLE_AD_SLOT ?>";
			google_ad_width = <?php echo $conf->global->MAIN_GOOGLE_AD_WIDTH ?>;
			google_ad_height = <?php echo $conf->global->MAIN_GOOGLE_AD_HEIGHT ?>;
			//-->
		</script>
		<script src="//pagead2.googlesyndication.com/pagead/show_ads.js"></script>
	</div>
		<?php
	}
}
?>


</div>
</div><!-- end of center -->


</body>
</html>
<!-- END PHP TEMPLATE -->
