src/login.php

   1 <?php
   2
   3     /**
   4      **  login.php -- simple login screen
   5      **
   6      **  Copyright (c) 1999-2001 The Squirrelmail Development Team
   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      **
  12      **  $Id$
  13      **/
  14
  15     $rcptaddress = '';
  16     if (isset($emailaddress)) {
  17         if (stristr($emailaddress, 'mailto:')) {
  18             $rcptaddress = substr($emailaddress, 7);
  19         } else {
  20             $rcptaddress = $emailaddress;
  21         }
  22
  23         if (($pos = strpos($rcptaddress, '?')) !== false) {
  24             $a = substr($rcptaddress, $pos + 1);
  25             $rcptaddress = substr($rcptaddress, 0, $pos);
  26             $a = explode('=', $a, 2);
  27             if (isset($a[1])) {
  28                 $name = urldecode($a[0]);
  29                 $val = urldecode($a[1]);
  30                 global $$name;
  31                 $$naame = $val;
  32             }
  33         }
  34
  35         /* At this point, we have parsed a lot of the mailto stuff. */
  36         /*   Let's do the rest -- CC, BCC, Subject, Body            */
  37         /*   Note:  They can all be case insensitive                */
  38         foreach ($GLOBALS as $k => $v) {
  39             $key = strtolower($k);
  40             $value = urlencode($v);
  41             if ($key == 'cc') {
  42                 $rcptaddress .= '&send_to_cc=' . $value;
  43             } else if ($key == 'bcc') {
  44                 $rcptaddress .= '&send_to_bcc=' . $value;
  45             } else if ($key == 'subject') {
  46                 $rcptaddress .= '&subject=' . $value;
  47             } else if ($key == 'body') {
  48                 $rcptaddress .= '&body=' . $value;
  49             }
  50         }
  51
  52         /* Double-encode in this fashion to get past redirect.php properly. */
  53         $rcptaddress = urlencode($rcptaddress);
  54     }
  55
  56     /* Check if system has been configured */
  57     if ( !file_exists( '../config/config.php' ) ) {
  58         echo "<html>\n".
  59              "<head>\n".
  60              '<title>' . _("Configuration Error") . "</title>\n".
  61              "</head>\n".
  62              "<body>\n" .
  63              '<center><h1>' .
  64              _("This system has not been configured yet.") .
  65              '<br>' .
  66              _("Please contact system administrator.") .
  67              '</h1></center>'.
  68              "</body></html>\n";
  69         exit;
  70     }
  71
  72     require_once('../functions/strings.php');
  73     require_once('../config/config.php');
  74     require_once('../functions/i18n.php');
  75     require_once('../functions/plugin.php');
  76     require_once('../functions/constants.php');
  77     require_once('../functions/page_header.php');
  78
  79     /*
  80      * $squirrelmail_language is set by a cookie when the user selects
  81      * language and logs out
  82      */
  83     set_up_language($squirrelmail_language, true);
  84
  85     /* Need the base URI to set the cookies. (Same code as in webmail.php). */
  86     ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
  87     $base_uri = $regs[1];
  88     @session_destroy();
  89
  90     /*
  91      * In case the last session was not terminated properly, make sure
  92      * we get a new one.
  93      */
  94     $cookie_params = session_get_cookie_params();
  95     setcookie(session_name(),'',0,$cookie_params['path'].$cookie_params['domain']);
  96     setcookie('username', '', 0, $base_uri);
  97     setcookie('key', '', 0, $base_uri);
  98     header ('Pragma: no-cache');
  99
 100     do_hook('login_cookie');
 101
 102     /* Output the javascript onload function. */
 103     displayHtmlHeader( "$org_name - " . _("Login"),
 104                  "<SCRIPT LANGUAGE=\"JavaScript\">\n" .
 105                  "<!--\n".
 106                  "  function squirrelmail_loginpage_onload() {\n".
 107                  "    document.forms[0].js_autodetect_results.value = '" . SMPREF_JS_ON . "';\n".
 108                  "    document.forms[0].elements[0].focus();\n".
 109                  "  }\n".
 110                  "// -->\n".
 111                  "</script>\n", FALSE );
 112
 113     /* Set the title of this page. */
 114     echo "<BODY TEXT=#000000 BGCOLOR=#FFFFFF LINK=#0000CC VLINK=#0000CC ALINK=#0000CC onLoad='squirrelmail_loginpage_onload();'>\n".
 115          "<FORM ACTION=\"redirect.php\" METHOD=\"POST\" NAME=f>\n";
 116
 117     $username_form_name = 'login_username';
 118     $password_form_name = 'secretkey';
 119     do_hook('login_top');
 120
 121     $loginname_value = (isset($loginname) ? htmlspecialchars($loginname) : '');
 122
 123     echo "<CENTER>".
 124          "  <IMG SRC=\"$org_logo\"><BR>\n".
 125          ( $hide_sm_attributions ? '' :
 126            '<SMALL>' . sprintf (_("SquirrelMail version %s"), $version) . "<BR>\n".
 127            '  ' . _("By the SquirrelMail Development Team") . "<BR></SMALL>\n" ) .
 128          "</CENTER>\n".
 129
 130          "<CENTER>\n".
 131          "<TABLE COLS=1 WIDTH=350>\n".
 132          "   <TR><TD BGCOLOR=#DCDCDC>\n".
 133          '      <B><CENTER>' . sprintf (_("%s Login"), $org_name) . "</CENTER></B>\n".
 134          "   </TD></TR>".
 135          "   <TR><TD BGCOLOR=\"#FFFFFF\"><TABLE COLS=2 WIDTH=\"100%\">\n".
 136          "      <TR>\n".
 137          '         <TD WIDTH=30% ALIGN=right>' . _("Name:") . "</TD>\n".
 138          "         <TD WIDTH=* ALIGN=left>\n".
 139          "            <INPUT TYPE=TEXT NAME=\"$username_form_name\" VALUE=\"$loginname_value\">\n".
 140          "         </TD>\n".
 141          "      </TR>\n".
 142          "      <TR>\n".
 143          '         <TD WIDTH="30%" ALIGN=right>' . _("Password:") . "</TD>\n".
 144          "         <TD WIDTH=* ALIGN=left>\n".
 145          "            <INPUT TYPE=PASSWORD NAME=\"$password_form_name\">\n".
 146          "            <INPUT TYPE=HIDDEN NAME=\"js_autodetect_results\" VALUE=\"" . SMPREF_JS_OFF . "\">\n".
 147          "            <INPUT TYPE=HIDDEN NAME=\"just_logged_in\" value=1>\n";
 148     if ($rcptaddress != '') {
 149         echo "         <INPUT TYPE=HIDDEN NAME=\"rcptemail\" VALUE=\"".htmlspecialchars($rcptaddress)."\">\n";
 150     }
 151     echo "         </TD>\n".
 152          "      </TR>\n".
 153          "   </TABLE></TD></TR>\n".
 154          "   <TR><TD>\n".
 155          '      <CENTER><INPUT TYPE=SUBMIT VALUE="' . _("Login") . "\"></CENTER>\n".
 156          "   </TD></TR>\n".
 157          "</TABLE>\n".
 158          "</CENTER>\n";
 159
 160     do_hook('login_form');
 161     echo "</FORM>\n";
 162
 163     do_hook('login_bottom');
 164     echo "</BODY>\n".
 165          "</HTML>\n";
 166 ?>