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1 | <?php |
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2 | |
35586184 |
3 | /** |
4 | * login.php -- simple login screen |
5 | * |
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6 | * This a simple login screen. Some housekeeping is done to clean |
7 | * cookies and find language. |
8 | * |
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9 | * @copyright © 1999-2005 The SquirrelMail Project Team |
10 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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11 | * @version $Id$ |
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12 | * @package squirrelmail |
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13 | */ |
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14 | |
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15 | /** |
16 | * Path for SquirrelMail required files. |
17 | * @ignore |
18 | */ |
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19 | define('SM_PATH','../'); |
20 | |
21 | /* SquirrelMail required files. */ |
22 | require_once(SM_PATH . 'functions/strings.php'); |
23 | require_once(SM_PATH . 'config/config.php'); |
24 | require_once(SM_PATH . 'functions/i18n.php'); |
25 | require_once(SM_PATH . 'functions/plugin.php'); |
26 | require_once(SM_PATH . 'functions/constants.php'); |
27 | require_once(SM_PATH . 'functions/page_header.php'); |
28 | require_once(SM_PATH . 'functions/html.php'); |
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29 | require_once(SM_PATH . 'functions/global.php'); |
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30 | require_once(SM_PATH . 'functions/imap_general.php'); |
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31 | require_once(SM_PATH . 'functions/forms.php'); |
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32 | |
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33 | /** |
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34 | * $squirrelmail_language is set by a cookie when the user selects |
35 | * language and logs out |
36 | */ |
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37 | set_up_language($squirrelmail_language, TRUE, TRUE); |
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38 | |
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39 | /** |
40 | * Find out the base URI to set cookies. |
41 | */ |
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42 | if (!function_exists('sqm_baseuri')){ |
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43 | require_once(SM_PATH . 'functions/display_messages.php'); |
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44 | } |
45 | $base_uri = sqm_baseuri(); |
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46 | |
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47 | /* |
48 | * In case the last session was not terminated properly, make sure |
49 | * we get a new one. |
50 | */ |
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51 | |
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52 | sqsession_destroy(); |
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53 | sqsession_start(); |
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54 | header('Pragma: no-cache'); |
55 | |
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56 | /** |
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57 | * This detects if the IMAP server has logins disabled, and if so, |
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58 | * squelches the display of the login form and puts up a message |
59 | * explaining the situation. |
60 | */ |
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61 | if($imap_auth_mech == 'login') { |
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62 | /** |
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63 | * detect disabled login, only when imapServerAddress contains |
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64 | * server address and not mapping. See sqimap_get_user_server() |
65 | */ |
66 | if (substr($imapServerAddress, 0, 4) != "map:") { |
67 | $imap = sqimap_create_stream($imapServerAddress, $imapPort, $use_imap_tls); |
68 | $logindisabled = sqimap_capability($imap,'LOGINDISABLED'); |
69 | sqimap_logout($imap); |
70 | if ($logindisabled) { |
71 | $string = _("The IMAP server is reporting that plain text logins are disabled.").'<br />'. |
72 | _("Using CRAM-MD5 or DIGEST-MD5 authentication instead may work.").'<br />'; |
73 | if (!$use_imap_tls) { |
74 | $string .= _("Also, the use of TLS may allow SquirrelMail to login.").'<br />'; |
75 | } |
76 | $string .= _("Please contact your system administrator and report this error."); |
77 | error_box($string,$color); |
78 | exit; |
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79 | } |
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80 | } |
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81 | } |
82 | |
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83 | do_hook('login_cookie'); |
84 | |
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85 | $loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : ''); |
86 | |
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87 | /* Output the javascript onload function. */ |
88 | |
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89 | $header = "<script language=\"JavaScript\" type=\"text/javascript\">\n" . |
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90 | "<!--\n". |
91 | " function squirrelmail_loginpage_onload() {\n". |
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92 | " var textElements = 0;\n". |
93 | " for (i = 0; i < document.forms[0].elements.length; i++) {\n". |
94 | " if (document.forms[0].elements[i].type == \"text\" || document.forms[0].elements[i].type == \"password\") {\n". |
95 | " textElements++;\n". |
96 | " if (textElements == " . (isset($loginname) ? 2 : 1) . ") {\n". |
97 | " document.forms[0].elements[i].focus();\n". |
98 | " break;\n". |
99 | " }\n". |
100 | " }\n". |
101 | " }\n". |
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102 | " }\n". |
103 | "// -->\n". |
104 | "</script>\n"; |
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105 | |
106 | if (@file_exists($theme[$theme_default]['PATH'])) |
107 | @include ($theme[$theme_default]['PATH']); |
108 | |
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109 | if (! isset($color) || ! is_array($color)) { |
110 | // Add default color theme, if theme loading fails |
111 | $color = array(); |
112 | $color[0] = '#dcdcdc'; /* light gray TitleBar */ |
113 | $color[1] = '#800000'; /* red */ |
114 | $color[2] = '#cc0000'; /* light red Warning/Error Messages */ |
115 | $color[4] = '#ffffff'; /* white Normal Background */ |
116 | $color[7] = '#0000cc'; /* blue Links */ |
117 | $color[8] = '#000000'; /* black Normal text */ |
118 | } |
119 | |
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120 | displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE ); |
121 | |
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122 | echo "<body text=\"$color[8]\" bgcolor=\"$color[4]\" link=\"$color[7]\" vlink=\"$color[7]\" alink=\"$color[7]\" onLoad=\"squirrelmail_loginpage_onload()\">" . |
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123 | "\n" . '<form action="redirect.php" method="post" onSubmit="document.forms[0].js_autodetect_results.value=\'' . SMPREF_JS_ON .'\';">' . "\n"; |
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124 | |
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125 | $username_form_name = 'login_username'; |
126 | $password_form_name = 'secretkey'; |
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127 | do_hook('login_top'); |
128 | |
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129 | /* If they don't have a logo, don't bother.. */ |
130 | if (isset($org_logo) && $org_logo) { |
131 | /* Display width and height like good little people */ |
132 | $width_and_height = ''; |
133 | if (isset($org_logo_width) && is_numeric($org_logo_width) && |
134 | $org_logo_width>0) { |
135 | $width_and_height = " width=\"$org_logo_width\""; |
136 | } |
137 | if (isset($org_logo_height) && is_numeric($org_logo_height) && |
138 | $org_logo_height>0) { |
139 | $width_and_height .= " height=\"$org_logo_height\""; |
140 | } |
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141 | } |
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142 | |
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143 | if(sqgetGlobalVar('mailto', $mailto)) { |
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144 | $rcptaddress = addHidden('mailto', $mailto); |
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145 | } else { |
146 | $rcptaddress = ''; |
147 | } |
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148 | echo html_tag( 'table', |
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149 | html_tag( 'tr', |
150 | html_tag( 'td', |
151 | '<center>'. |
78b2428e |
152 | ( isset($org_logo) && $org_logo |
153 | ? '<img src="' . $org_logo . '" alt="' . |
154 | sprintf(_("%s Logo"), $org_name) .'"' . $width_and_height . |
155 | ' /><br />' . "\n" |
156 | : '' ). |
8a97a070 |
157 | ( (isset($hide_sm_attributions) && $hide_sm_attributions) ? '' : |
8b5c49cd |
158 | '<small>' . _("SquirrelMail Webmail Application") . '<br />' ."\n". |
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159 | ' ' . _("By the SquirrelMail Project Team") . '<br /></small>' . "\n" ) . |
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160 | html_tag( 'table', |
161 | html_tag( 'tr', |
162 | html_tag( 'td', |
163 | '<b>' . sprintf (_("%s Login"), $org_name) . "</b>\n", |
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164 | 'center', $color[0] ) |
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165 | ) . |
166 | html_tag( 'tr', |
167 | html_tag( 'td', "\n" . |
168 | html_tag( 'table', |
169 | html_tag( 'tr', |
170 | html_tag( 'td', |
171 | _("Name:") , |
172 | 'right', '', 'width="30%"' ) . |
173 | html_tag( 'td', |
134e4174 |
174 | addInput($username_form_name, $loginname_value), |
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175 | 'left', '', 'width="*"' ) |
176 | ) . "\n" . |
177 | html_tag( 'tr', |
178 | html_tag( 'td', |
179 | _("Password:") , |
180 | 'right', '', 'width="30%"' ) . |
181 | html_tag( 'td', |
134e4174 |
182 | addPwField($password_form_name). |
183 | addHidden('js_autodetect_results', SMPREF_JS_OFF). |
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184 | $rcptaddress . |
134e4174 |
185 | addHidden('just_logged_in', '1'), |
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186 | 'left', '', 'width="*"' ) |
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187 | ) . |
188 | concat_hook_function('login_form') , |
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189 | 'center', $color[4], 'border="0" width="100%"' ) , |
190 | 'left', $color[4] ) |
191 | ) . |
192 | html_tag( 'tr', |
193 | html_tag( 'td', |
194 | '<center>'. addSubmit(_("Login")) .'</center>', |
195 | 'left' ) |
196 | ), |
197 | '', $color[4], 'border="0" width="350"' ) . '</center>', |
198 | 'center' ) |
199 | ) , |
200 | '', $color[4], 'border="0" cellspacing="0" cellpadding="0" width="100%"' ); |
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201 | echo '</form>' . "\n"; |
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202 | |
203 | do_hook('login_bottom'); |
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204 | |
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205 | ?> |
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206 | </body></html> |