* Check for capabilities in configtest, and warn here about LOGINDISABLED or
[squirrelmail.git] / src / login.php
CommitLineData
59177427 1<?php
895905c0 2
35586184 3/**
4 * login.php -- simple login screen
5 *
82d304a0 6 * Copyright (c) 1999-2004 The SquirrelMail Project Team
35586184 7 * Licensed under the GNU GPL. For full terms see the file COPYING.
8 *
9 * This a simple login screen. Some housekeeping is done to clean
10 * cookies and find language.
11 *
30967a1e 12 * @version $Id$
8f6f9ba5 13 * @package squirrelmail
35586184 14 */
8e2ed807 15
30967a1e 16/**
17 * Path for SquirrelMail required files.
18 * @ignore
19 */
86725763 20define('SM_PATH','../');
21
22/* SquirrelMail required files. */
23require_once(SM_PATH . 'functions/strings.php');
24require_once(SM_PATH . 'config/config.php');
25require_once(SM_PATH . 'functions/i18n.php');
26require_once(SM_PATH . 'functions/plugin.php');
27require_once(SM_PATH . 'functions/constants.php');
28require_once(SM_PATH . 'functions/page_header.php');
29require_once(SM_PATH . 'functions/html.php');
a32985a5 30require_once(SM_PATH . 'functions/global.php');
ea348fd3 31require_once(SM_PATH . 'functions/imap_general.php');
a34d6890 32require_once(SM_PATH . 'functions/forms.php');
98f2ee76 33
8f6f9ba5 34/**
98f2ee76 35 * $squirrelmail_language is set by a cookie when the user selects
36 * language and logs out
37 */
5e2b6751 38set_up_language($squirrelmail_language, TRUE, TRUE);
d4e84069 39
85b454a0 40/**
41 * Find out the base URI to set cookies.
42 */
f3bc099d 43if (!function_exists('sqm_baseuri')){
86725763 44 require_once(SM_PATH . 'functions/display_messages.php');
f3bc099d 45}
46$base_uri = sqm_baseuri();
8e2ed807 47
98f2ee76 48/*
49 * In case the last session was not terminated properly, make sure
50 * we get a new one.
51 */
5250f7e7 52
69146537 53sqsession_destroy();
54
98f2ee76 55header('Pragma: no-cache');
56
8f6f9ba5 57/**
58 * This detects if the IMAP server has logins disabled, and if so,
59 * squelches the display of the login form and puts up a message
60 * explaining the situation.
61 */
6d611a76 62if($imap_auth_mech == 'login') {
63 $imap = sqimap_create_stream($imapServerAddress, $imapPort, $use_imap_tls);
64 $logindisabled = sqimap_capability($imap,'LOGINDISABLED');
65 sqimap_logout($imap);
66 if ($logindisabled) {
df758744 67 $string = _("The IMAP server is reporting that plain text logins are disabled.").'<br />'.
68 _("Using CRAM-MD5 or DIGEST-MD5 authentication instead may work.").'<br />';
6d611a76 69 if (!$use_imap_tls) {
d3b3a524 70 $string .= _("The use of TLS may allow SquirrelMail to login.").'<br />';
6d611a76 71 }
d3b3a524 72 $string .= _("Please contact your system administrator and report this error.");
6d611a76 73 error_box($string,$color);
74 exit;
ea348fd3 75 }
ea348fd3 76}
77
98f2ee76 78do_hook('login_cookie');
79
80/* Output the javascript onload function. */
81
d68323ff 82$header = "<script language=\"JavaScript\" type=\"text/javascript\">\n" .
98f2ee76 83 "<!--\n".
84 " function squirrelmail_loginpage_onload() {\n".
03ccb49b 85 " var textElements = 0;\n".
86 " for (i = 0; i < document.forms[0].elements.length; i++) {\n".
87 " if (document.forms[0].elements[i].type == \"text\" || document.forms[0].elements[i].type == \"password\") {\n".
88 " textElements++;\n".
89 " if (textElements == " . (isset($loginname) ? 2 : 1) . ") {\n".
90 " document.forms[0].elements[i].focus();\n".
91 " break;\n".
92 " }\n".
93 " }\n".
94 " }\n".
98f2ee76 95 " }\n".
96 "// -->\n".
97 "</script>\n";
dfb94cac 98
99if (@file_exists($theme[$theme_default]['PATH']))
100 @include ($theme[$theme_default]['PATH']);
101
98f2ee76 102displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
103
2e394e36 104echo "<body text=\"$color[8]\" bgcolor=\"$color[4]\" link=\"$color[7]\" vlink=\"$color[7]\" alink=\"$color[7]\" onLoad=\"squirrelmail_loginpage_onload()\">" .
ae958cd3 105 "\n" . '<form action="redirect.php" method="post" onSubmit="document.forms[0].js_autodetect_results.value=\'' . SMPREF_JS_ON .'\';">' . "\n";
98f2ee76 106
0fce910a 107$username_form_name = 'login_username';
108$password_form_name = 'secretkey';
98f2ee76 109do_hook('login_top');
110
5250f7e7 111$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : '');
98f2ee76 112
78b2428e 113/* If they don't have a logo, don't bother.. */
114if (isset($org_logo) && $org_logo) {
115 /* Display width and height like good little people */
116 $width_and_height = '';
117 if (isset($org_logo_width) && is_numeric($org_logo_width) &&
118 $org_logo_width>0) {
119 $width_and_height = " width=\"$org_logo_width\"";
120 }
121 if (isset($org_logo_height) && is_numeric($org_logo_height) &&
122 $org_logo_height>0) {
123 $width_and_height .= " height=\"$org_logo_height\"";
124 }
98f2ee76 125}
3fde693b 126
c67e4479 127if(sqgetGlobalVar('mailto', $mailto)) {
a34d6890 128 $rcptaddress = addHidden('mailto', $mailto);
c67e4479 129} else {
130 $rcptaddress = '';
131}
1cac3b9b 132echo html_tag( 'table',
8e2ed807 133 html_tag( 'tr',
134 html_tag( 'td',
135 '<center>'.
78b2428e 136 ( isset($org_logo) && $org_logo
137 ? '<img src="' . $org_logo . '" alt="' .
138 sprintf(_("%s Logo"), $org_name) .'"' . $width_and_height .
139 ' /><br />' . "\n"
140 : '' ).
8a97a070 141 ( (isset($hide_sm_attributions) && $hide_sm_attributions) ? '' :
d68323ff 142 '<small>' . sprintf (_("SquirrelMail version %s"), $version) . '<br />' ."\n".
143 ' ' . _("By the SquirrelMail Development Team") . '<br /></small>' . "\n" ) .
8e2ed807 144 html_tag( 'table',
145 html_tag( 'tr',
146 html_tag( 'td',
147 '<b>' . sprintf (_("%s Login"), $org_name) . "</b>\n",
dfb94cac 148 'center', $color[0] )
8e2ed807 149 ) .
150 html_tag( 'tr',
151 html_tag( 'td', "\n" .
152 html_tag( 'table',
153 html_tag( 'tr',
154 html_tag( 'td',
155 _("Name:") ,
156 'right', '', 'width="30%"' ) .
157 html_tag( 'td',
134e4174 158 addInput($username_form_name, $loginname_value),
8e2ed807 159 'left', '', 'width="*"' )
160 ) . "\n" .
161 html_tag( 'tr',
162 html_tag( 'td',
163 _("Password:") ,
164 'right', '', 'width="30%"' ) .
165 html_tag( 'td',
134e4174 166 addPwField($password_form_name).
167 addHidden('js_autodetect_results', SMPREF_JS_OFF).
c67e4479 168 $rcptaddress .
134e4174 169 addHidden('just_logged_in', '1'),
8e2ed807 170 'left', '', 'width="*"' )
171 ) ,
dfb94cac 172 'center', $color[4], 'border="0" width="100%"' ) ,
173 'left', $color[4] )
8e2ed807 174 ) .
175 html_tag( 'tr',
176 html_tag( 'td',
a34d6890 177 '<center>'. addSubmit(_("Login")) .'</center>',
8e2ed807 178 'left' )
179 ),
dfb94cac 180 '', $color[4], 'border="0" width="350"' ) . '</center>',
8e2ed807 181 'center' )
182 ) ,
dfb94cac 183'', $color[4], 'border="0" cellspacing="0" cellpadding="0" width="100%"' );
98f2ee76 184do_hook('login_form');
cbaf4cf1 185echo '</form>' . "\n";
98f2ee76 186
187do_hook('login_bottom');
134e4174 188?>
df758744 189</body></html>