src/login.php

   1 <?php
   2     /**
   3      * login.php -- simple login screen
   4      *
   5      * Copyright (c) 1999-2001 The Squirrelmail Development Team
   6      * Licensed under the GNU GPL. For full terms see the file COPYING.
   7      *
   8      * This a simple login screen. Some housekeeping is done to clean
   9      * cookies and find language.
  10      *
  11      * $Id$
  12      */
  13
  14     $rcptaddress = '';
  15     if (isset($emailaddress)) {
  16         if (stristr($emailaddress, 'mailto:')) {
  17             $rcptaddress = substr($emailaddress, 7);
  18         } else {
  19             $rcptaddress = $emailaddress;
  20         }
  21
  22         if (($pos = strpos($rcptaddress, '?')) !== false) {
  23             $a = substr($rcptaddress, $pos + 1);
  24             $rcptaddress = substr($rcptaddress, 0, $pos);
  25             $a = explode('=', $a, 2);
  26             if (isset($a[1])) {
  27                 $name = urldecode($a[0]);
  28                 $val = urldecode($a[1]);
  29                 global $$name;
  30                 $$naame = $val;
  31             }
  32         }
  33
  34         /* At this point, we have parsed a lot of the mailto stuff. */
  35         /*   Let's do the rest -- CC, BCC, Subject, Body            */
  36         /*   Note:  They can all be case insensitive                */
  37         foreach ($GLOBALS as $k => $v) {
  38             $key = strtolower($k);
  39             $value = urlencode($v);
  40             if ($key == 'cc') {
  41                 $rcptaddress .= '&send_to_cc=' . $value;
  42             } else if ($key == 'bcc') {
  43                 $rcptaddress .= '&send_to_bcc=' . $value;
  44             } else if ($key == 'subject') {
  45                 $rcptaddress .= '&subject=' . $value;
  46             } else if ($key == 'body') {
  47                 $rcptaddress .= '&body=' . $value;
  48             }
  49         }
  50
  51         /* Double-encode in this fashion to get past redirect.php properly. */
  52         $rcptaddress = urlencode($rcptaddress);
  53     }
  54
  55     require_once('../functions/strings.php');
  56     require_once('../config/config.php');
  57     require_once('../functions/i18n.php');
  58     require_once('../functions/plugin.php');
  59     require_once('../functions/constants.php');
  60
  61     /*
  62      * $squirrelmail_language is set by a cookie when the user selects
  63      * language and logs out
  64      */
  65     set_up_language($squirrelmail_language, true);
  66
  67     /* Need the base URI to set the cookies. (Same code as in webmail.php). */
  68     ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
  69     $base_uri = $regs[1];
  70     @session_destroy();
  71
  72     /*
  73      * In case the last session was not terminated properly, make sure
  74      * we get a new one.
  75      */
  76     $cookie_params = session_get_cookie_params();
  77     setcookie(session_name(),'',0,$cookie_params['path'].$cookie_params['domain']);
  78     setcookie('username', '', 0, $base_uri);
  79     setcookie('key', '', 0, $base_uri);
  80     header ('Pragma: no-cache');
  81
  82     do_hook('login_cookie');
  83
  84     echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">' .
  85          "\n\n" .
  86          "<HTML>\n" .
  87          "<HEAD>\n";
  88
  89     if ($theme_css != '') {
  90         echo "<LINK REL=\"stylesheet\" TYPE=\"text/css\" HREF=\"$theme_css\">\n";
  91     }
  92
  93     /* Output the javascript onload function. */
  94     echo "<SCRIPT LANGUAGE=\"JavaScript\">\n" .
  95          "<!--\n".
  96          "  function squirrelmail_loginpage_onload() {\n".
  97          "    document.forms[0].js_autodetect_results.value = '" . SMPREF_JS_ON . "';\n".
  98          "    document.forms[0].elements[0].focus();\n".
  99          "  }\n".
 100          "// -->\n".
 101          "</script>\n";
 102
 103     /* Set the title of this page. */
 104     echo "<TITLE>$org_name - " . _("Login") . "</TITLE></HEAD>\n".
 105          "<BODY TEXT=#000000 BGCOLOR=#FFFFFF LINK=#0000CC VLINK=#0000CC ALINK=#0000CC onLoad='squirrelmail_loginpage_onload();'>\n".
 106          "<FORM ACTION=\"redirect.php\" METHOD=\"POST\" NAME=f>\n";
 107
 108     $username_form_name = 'login_username';
 109     $password_form_name = 'secretkey';
 110     do_hook('login_top');
 111
 112     $loginname_value = (isset($loginname) ? htmlspecialchars($loginname) : '');
 113
 114     echo "<CENTER>".
 115          "  <IMG SRC=\"$org_logo\"><BR>\n".
 116          ( $hide_sm_attributions ? '' :
 117            '<SMALL>' . sprintf (_("SquirrelMail version %s"), $version) . "<BR>\n".
 118            '  ' . _("By the SquirrelMail Development Team") . "<BR></SMALL>\n" ) .
 119          "</CENTER>\n".
 120
 121          "<CENTER>\n".
 122          "<TABLE COLS=1 WIDTH=350>\n".
 123          "   <TR><TD BGCOLOR=#DCDCDC>\n".
 124          '      <B><CENTER>' . sprintf (_("%s Login"), $org_name) . "</CENTER></B>\n".
 125          "   </TD></TR>".
 126          "   <TR><TD BGCOLOR=\"#FFFFFF\"><TABLE COLS=2 WIDTH=\"100%\">\n".
 127          "      <TR>\n".
 128          '         <TD WIDTH=30% ALIGN=right>' . _("Name:") . "</TD>\n".
 129          "         <TD WIDTH=* ALIGN=left>\n".
 130          "            <INPUT TYPE=TEXT NAME=\"$username_form_name\" VALUE=\"$loginname_value\">\n".
 131          "         </TD>\n".
 132          "      </TR>\n".
 133          "      <TR>\n".
 134          '         <TD WIDTH="30%" ALIGN=right>' . _("Password:") . "</TD>\n".
 135          "         <TD WIDTH=* ALIGN=left>\n".
 136          "            <INPUT TYPE=PASSWORD NAME=\"$password_form_name\">\n".
 137          "            <INPUT TYPE=HIDDEN NAME=\"js_autodetect_results\" VALUE=\"" . SMPREF_JS_OFF . "\">\n".
 138          "            <INPUT TYPE=HIDDEN NAME=\"just_logged_in\" value=1>\n";
 139     if ($rcptaddress != '') {
 140         echo "         <INPUT TYPE=HIDDEN NAME=\"rcptemail\" VALUE=\"".htmlspecialchars($rcptaddress)."\">\n";
 141     }
 142     echo "         </TD>\n".
 143          "      </TR>\n".
 144          "   </TABLE></TD></TR>\n".
 145          "   <TR><TD>\n".
 146          '      <CENTER><INPUT TYPE=SUBMIT VALUE="' . _("Login") . "\"></CENTER>\n".
 147          "   </TD></TR>\n".
 148          "</TABLE>\n".
 149          "</CENTER>\n";
 150
 151     do_hook('login_form');
 152     echo "</FORM>\n";
 153
 154     do_hook('login_bottom');
 155     echo "</BODY>\n".
 156          "</HTML>\n";
 157 ?>