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<?php
# MantisBT - A PHP based bugtracking system
# MantisBT 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 2 of the License, or
# (at your option) any later version.
#
# MantisBT 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 MantisBT. If not, see <http://www.gnu.org/licenses/>.
/**
* Login page POSTs results to login.php
* Check to see if the user is already logged in
*
* @package MantisBT
* @copyright Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
* @copyright Copyright (C) 2002 - 2011 MantisBT Team - mantisbt-dev@lists.sourceforge.net
* @link http://www.mantisbt.org
*
* @uses core.php
* @uses authentication_api.php
* @uses config_api.php
* @uses constant_inc.php
* @uses current_user_api.php
* @uses database_api.php
* @uses gpc_api.php
* @uses html_api.php
* @uses lang_api.php
* @uses print_api.php
* @uses string_api.php
* @uses user_api.php
* @uses utility_api.php
*/
/**
* MantisBT Core API's
*/
require_once( 'core.php' );
require_api( 'authentication_api.php' );
require_api( 'config_api.php' );
require_api( 'constant_inc.php' );
require_api( 'current_user_api.php' );
require_api( 'database_api.php' );
require_api( 'gpc_api.php' );
require_api( 'html_api.php' );
require_api( 'lang_api.php' );
require_api( 'print_api.php' );
require_api( 'string_api.php' );
require_api( 'user_api.php' );
require_api( 'utility_api.php' );
require_css( 'login.css' );
if ( auth_is_user_authenticated() && !current_user_is_anonymous() ) {
print_header_redirect( config_get( 'default_home_page' ) );
}
$f_error = gpc_get_bool( 'error' );
$f_cookie_error = gpc_get_bool( 'cookie_error' );
$f_return = string_sanitize_url( gpc_get_string( 'return', '' ) );
$f_username = gpc_get_string( 'username', '' );
$f_perm_login = gpc_get_bool( 'perm_login', false );
$f_secure_session = gpc_get_bool( 'secure_session', false );
$f_secure_session_cookie = gpc_get_cookie( config_get_global( 'cookie_prefix' ) . '_secure_session', null );
$t_session_validation = ( ON == config_get_global( 'session_validation' ) );
# Check for automatic logon methods where we want the logon to just be handled by login.php
if ( auth_automatic_logon_bypass_form() ) {
$t_uri = "login.php";
if ( ON == config_get( 'allow_anonymous_login' ) ) {
$t_uri = "login_anon.php";
}
if ( !is_blank( $f_return ) ) {
$t_uri .= "?return=" . string_url( $f_return );
}
print_header_redirect( $t_uri );
exit;
}
# Determine if secure_session should default on or off?
# - If no errors, and no cookies set, default to on.
# - If no errors, but cookie is set, use the cookie value.
# - If errors, use the value passed in.
if ( $t_session_validation ) {
if ( !$f_error && !$f_cookie_error ) {
$t_default_secure_session = ( is_null( $f_secure_session_cookie ) ? true : $f_secure_session_cookie );
} else {
$t_default_secure_session = $f_secure_session;
}
}
# Determine whether the username or password field should receive automatic focus.
$t_username_field_autofocus = 'autofocus';
$t_password_field_autofocus = '';
if ( $f_username ) {
$t_username_field_autofocus = '';
$t_password_field_autofocus = 'autofocus';
}
# Login page shouldn't be indexed by search engines
html_robots_noindex();
html_page_top1();
html_page_top2a();
if( $f_error || $f_cookie_error ) {
echo '<div class="important-msg">';
echo '<ul>';
# Display short greeting message
# echo lang_get( 'login_page_info' ) . '<br />';
# Only echo error message if error variable is set
if ( $f_error ) {
echo '<li>' . lang_get( 'login_error' ) . '</li>';
}
if ( $f_cookie_error ) {
echo '<li>' . lang_get( 'login_cookies_disabled' ) . '</li>';
}
echo '</ul>';
echo '</div>';
}
?>
<!-- Login Form BEGIN -->
<div id="login-div" class="form-container">
<form id="login-form" method="post" action="login.php">
<fieldset>
<legend><span><?php echo lang_get( 'login_title' ) ?></span></legend>
<?php
if ( !is_blank( $f_return ) ) {
echo '<input type="hidden" name="return" value="', string_html_specialchars( $f_return ), '" />';
}
# CSRF protection not required here - form does not result in modifications
echo '<ul id="login-links">';
if ( ON == config_get( 'allow_anonymous_login' ) ) {
echo '<li><a href="login_anon.php?return=' . string_url( $f_return ) . '">' . lang_get( 'login_anonymously' ) . '</a></li>';
}
if ( ( ON == config_get_global( 'allow_signup' ) ) &&
( LDAP != config_get_global( 'login_method' ) ) &&
( ON == config_get( 'enable_email_notification' ) )
) {
echo '<li><a href="signup_page.php">', lang_get( 'signup_link' ), '</a></li>';
}
# lost password feature disabled or reset password via email disabled -> stop here!
if ( ( LDAP != config_get_global( 'login_method' ) ) &&
( ON == config_get( 'lost_password_feature' ) ) &&
( ON == config_get( 'send_reset_password' ) ) &&
( ON == config_get( 'enable_email_notification' ) ) ) {
echo '<li><a href="lost_pwd_page.php">', lang_get( 'lost_password_link' ), '</a></li>';
}
?>
</ul>
<div class="field-container <?php echo helper_alternate_class_no_attribute(); ?>">
<label for="username"><span><?php echo lang_get( 'username' ) ?></span></label>
<span class="input"><input id="username" type="text" name="username" size="32" maxlength="<?php echo DB_FIELD_SIZE_USERNAME;?>" value="<?php echo string_attribute( $f_username ); ?>" class="<?php echo $t_username_field_autofocus ?>" /></span>
<span class="label-style"></span>
</div>
<div class="field-container <?php echo helper_alternate_class_no_attribute(); ?>">
<label for="password"><span><?php echo lang_get( 'password' ) ?></span></label>
<span class="input"><input id="password" type="password" name="password" size="32" maxlength="<?php echo auth_get_password_max_size(); ?>" class="<?php echo $t_password_field_autofocus ?>" /></span>
<span class="label-style"></span>
</div>
<div class="field-container <?php echo helper_alternate_class_no_attribute(); ?>">
<label for="remember-login"><span><?php echo lang_get( 'save_login' ) ?></span></label>
<span class="input"><input id="remember-login" type="checkbox" name="perm_login" <?php echo ( $f_perm_login ? 'checked="checked" ' : '' ) ?>/></span>
<span class="label-style"></span>
</div>
<?php if ( $t_session_validation ) { ?>
<div class="field-container <?php echo helper_alternate_class_no_attribute(); ?>">
<label id="secure-session-label" for="secure-session"><span><?php echo lang_get( 'secure_session' ) ?></span></label>
<span class="input">
<input id="secure-session" type="checkbox" name="secure_session" <?php echo ( $t_default_secure_session ? 'checked="checked" ' : '' ) ?>/>
<span id="session-msg"><?php echo lang_get( 'secure_session_long' ); ?></span>
</span>
<span class="label-style"></span>
</div>
<?php } ?>
<span class="submit-button"><input type="submit" class="button" value="<?php echo lang_get( 'login_button' ) ?>" /></span>
</fieldset>
</form>
</div>
<?php
#
# Do some checks to warn administrators of possible security holes.
# Since this is considered part of the admin-checks, the strings are not translated.
#
if ( config_get_global( 'admin_checks' ) == ON ) {
$t_warnings = array();
# Generate a warning if administrator/root is valid.
$t_admin_user_id = user_get_id_by_name( 'administrator' );
if ( $t_admin_user_id !== false ) {
if ( user_is_enabled( $t_admin_user_id ) && auth_does_password_match( $t_admin_user_id, 'root' ) ) {
$t_warnings[] = lang_get( 'warning_default_administrator_account_present' );
}
}
# Check if the admin directory is available and is readable.
$t_admin_dir = dirname( __FILE__ ) . DIRECTORY_SEPARATOR . 'admin' . DIRECTORY_SEPARATOR;
if ( is_dir( $t_admin_dir ) ) {
$t_warnings[] = lang_get( 'warning_admin_directory_present' );
}
if ( is_dir( $t_admin_dir ) && is_readable( $t_admin_dir ) && is_executable( $t_admin_dir ) && @file_exists( "$t_admin_dir/." ) ) {
# since admin directory and db_upgrade lists are available check for missing db upgrades
# Check for db upgrade for versions < 1.0.0 using old upgrader
$t_db_version = config_get( 'database_version' , 0 );
# if db version is 0, we haven't moved to new installer.
if ( $t_db_version == 0 ) {
$t_upgrade_count = 0;
if ( db_table_exists( db_get_table( 'upgrade' ) ) ) {
$query = "SELECT COUNT(*) from " . db_get_table( 'upgrade' ) . ";";
$result = db_query_bound( $query );
if ( db_num_rows( $result ) > 0 ) {
$t_upgrade_count = (int)db_result( $result );
}
}
if ( $t_upgrade_count > 0 ) { # table exists, check for number of updates
# new config table database version is 0.
# old upgrade tables exist.
# assume user is upgrading from <1.0 and therefore needs to update to 1.x before upgrading to 1.2
$t_warnings[] = lang_get( 'error_database_version_out_of_date_1' );
} else {
# old upgrade tables do not exist, yet config database_version is 0
$t_warnings[] = lang_get( 'error_database_no_schema_version' );
}
}
# Check for db upgrade for versions > 1.0.0 using new installer and schema
require_once( 'admin' . DIRECTORY_SEPARATOR . 'schema.php' );
$t_upgrades_reqd = count( $upgrade ) - 1;
if ( ( 0 < $t_db_version ) &&
( $t_db_version != $t_upgrades_reqd ) ) {
if ( $t_db_version < $t_upgrades_reqd ) {
$t_warnings[] = lang_get( 'error_database_version_out_of_date_2' );
} else {
$t_warnings[] = lang_get( 'error_code_version_out_of_date' );
}
}
}
if( count( $t_warnings ) > 0 ) {
echo '<div class="important-msg">';
echo '<ul>';
foreach( $t_warnings AS $t_warning ) {
echo '<li>' . $t_warning . '</li>';
}
echo '</ul>';
echo '</div>';
}
} # if 'admin_checks'
html_page_bottom1a( __FILE__ );