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Sourcecode: webcalendar version File versions

login.php

<?php
include "includes/config.php";
include "includes/php-dbi.php";
include "includes/functions.php";
include "includes/$user_inc";
include "includes/connect.php";

// Change this to true to show "no such user" or "invalid password" on
// login failures.
$showLoginFailureReason = false;

load_global_settings ();

if ( ! empty ( $last_login ) )
  $login = "";

if ( empty ( $webcalendar_login ) )
  $webcalendar_login = "";

if ( $remember_last_login == "Y" && empty ( $login ) ) {
  $last_login = $login = $webcalendar_login;
}

load_user_preferences ();

include "includes/translate.php";

$return_path = clean_whitespace($return_path);

// see if a return path was set
if ( ! empty ( $return_path ) ) {
  $url = $return_path;
} else {
  $url = "index.php";
}

$lang = '';
if ( ! empty ( $LANGUAGE ) )
  $lang = languageToAbbrev ( $LANGUAGE );
if ( empty ( $lang ) )
  $lang = 'en';

$login = getPostValue ( 'login' );
$password = getPostValue ( 'password' );

// calculate path for cookie
if ( empty ( $PHP_SELF ) )
  $PHP_SELF = $_SERVER["PHP_SELF"];
$cookie_path = str_replace ( "login.php", "", $PHP_SELF );
//echo "Cookie path: $cookie_path\n";

if ( $single_user == "Y" ) {
  // No login for single-user mode
  do_redirect ( "index.php" );
} else if ( $use_http_auth ) {
  // There is no login page when using HTTP authorization
  do_redirect ( "index.php" );
} else {
  if ( ! empty ( $login ) && ! empty ( $password ) ) {
    if ( get_magic_quotes_gpc() ) {
      $password = stripslashes ( $password );
      $login = stripslashes ( $login );
    }
    $login = trim ( $login );
    if ( user_valid_login ( $login, $password ) ) {
      user_load_variables ( $login, "" );
      // set login to expire in 365 days
      srand((double) microtime() * 1000000);
      $salt = chr( rand(ord('A'), ord('z'))) . chr( rand(ord('A'), ord('z')));
      $encoded_login = encode_string ( $login . "|" . crypt($password, $salt) );

      if ( ! empty ( $remember ) && $remember == "yes" )
        SetCookie ( "webcalendar_session", $encoded_login,
          time() + ( 24 * 3600 * 365 ), $cookie_path );
      else
        SetCookie ( "webcalendar_session", $encoded_login, 0, $cookie_path );
      // The cookie "webcalendar_login" is provided as a convenience to
      // other apps that may wish to find out what the last calendar
      // login was, so they can use week_ssi.php as a server-side include.
      // As such, it's not a security risk to have it un-encoded since it
      // is not used to allow logins within this app.  It is used to
      // load user preferences on the login page (before anyone has
      // logged in) if $remember_last_login is set to "Y" (in admin.php).
      if ( ! empty ( $remember ) && $remember == "yes" )
        SetCookie ( "webcalendar_login", $login,
          time() + ( 24 * 3600 * 365 ), $cookie_path );
      else
        SetCookie ( "webcalendar_login", $login, 0, $cookie_path );
      do_redirect ( $url );
    } else {
      // Invalid login
      if ( empty ( $error ) || ! $showLoginFailureReason )
        $error = translate("Invalid login" );
    }
  } else {
    // No login info... just present empty login page
    //$error = "Start";
  }
  // delete current user
  SetCookie ( "webcalendar_session", "", 0, $cookie_path );
  // In older versions the cookie path had no trailing slash and NS 4.78
  // thinks "path/" and "path" are different, so the line above does not
  // delete the "old" cookie. This prohibits the login. So we delete the
  // cookie with the trailing slash removed
  if (substr($cookie_path, -1) == '/')
    SetCookie ( "webcalendar_session", "", 0, substr($cookie_path, 0, -1)  );
}

echo '<?xml version="1.0" encoding="utf-8"?>'."\n";
?>
<!DOCTYPE html
    PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $lang; ?>" lang="<?php echo $lang; ?>">
<head>
<title><?php etranslate($application_name)?></title>
<script type="text/javascript">
// error check login/password
function valid_form ( form ) {
  if ( form.login.value.length == 0 || form.password.value.length == 0 ) {
    alert ( "<?php etranslate("You must enter a login and password")?>." );
    return false;
  }
  return true;
}
function myOnLoad() {
  <?php if ( $plugins_enabled ) { ?>
        if (self != top)  {
          window.open("login.php","_top","");
          return;
        }
  <?php } ?>
  document.forms[0].login.focus();
  <?php
    if ( ! empty ( $login ) ) echo "document.forms[0].login.select();";
    if ( ! empty ( $error ) ) {
      echo "  alert ( \"$error\" );\n";
    }
  ?>
}
</script>
<?php 
      include "includes/styles.php";

      // Print custom header (since we do not call print_header function)
      if ( ! empty ( $CUSTOM_SCRIPT ) && $CUSTOM_SCRIPT == 'Y' ) {
        $res = dbi_query (
          "SELECT cal_template_text FROM webcal_report_template " .
          "WHERE cal_template_type = 'S' and cal_report_id = 0" );
        if ( $res ) {
          if ( $row = dbi_fetch_row ( $res ) ) {
            echo $row[0];
          }
          dbi_free_result ( $res );
        }
      }
?>
</head>
<body onload="myOnLoad();">
<?php
// Print custom header (since we do not call print_header function)
if ( ! empty ( $CUSTOM_HEADER ) && $CUSTOM_HEADER == 'Y' ) {
  $res = dbi_query (
    "SELECT cal_template_text FROM webcal_report_template " .
    "WHERE cal_template_type = 'H' and cal_report_id = 0" );
  if ( $res ) {
    if ( $row = dbi_fetch_row ( $res ) ) {
      echo $row[0];
    }
    dbi_free_result ( $res );
  }
}
?>

<h2><?php etranslate($application_name)?></h2>

<?php
if ( ! empty ( $error ) ) {
  print "<span style=\"color:#FF0000; font-weight:bold;\">" . translate("Error") .
    ": $error</span><br />\n";
}
?>
<form name="login_form" id="login" action="login.php" method="post" onsubmit="return valid_form(this)">
<?php
if ( ! empty ( $return_path ) )
  echo "<input type=\"hidden\" name=\"return_path\" value=\"" .
    htmlentities ( $return_path ) . "\" />\n";
?>

<table cellpadding="10" align="center">
<tr><td rowspan="2">
      <img src="login.gif" alt="Login" /></td><td align="right">
      <label for="user"><?php etranslate("Username")?>:</label></td><td>
      <input name="login" id="user" size="10" value="<?php if ( ! empty ( $last_login ) ) echo $last_login;?>" tabindex="1" />
</td></tr>
<tr><td style="text-align:right;">
      <label for="password"><?php etranslate("Password")?>:</label></td><td>
      <input name="password" id="password" type="password" size="10" tabindex="2" />
</td></tr>
<tr><td colspan="3" style="font-size: 10px;">
      <input type="checkbox" name="remember" id="remember" tabindex="3" value="yes" <?php if ( ! empty ( $remember ) && $remember == "yes" ) echo "checked=\"checked\""; ?> /><label for="remember">&nbsp;<?php etranslate("Save login via cookies so I don't have to login next time")?></label>
</td></tr>
<tr><td colspan="4" style="text-align:center;">
      <input type="submit" value="<?php etranslate("Login")?>" tabindex="4" />
</td></tr>
</table>
</form>

<?php if ( $public_access == "Y" ) { ?>
      <br /><br />
      <a class="nav" href="index.php"><?php etranslate("Access public calendar")?></a><br />
<?php } ?>

<?php if ( $demo_mode == "Y" ) {
      // This is used on the sourceforge demo page
      echo "Demo login: user = \"demo\", password = \"demo\"<br />";
} ?>
<br /><br /><br />
<span class="cookies"><?php etranslate("cookies-note")?></span><br />
<hr />
<br /><br />
<a href="<?php echo $PROGRAM_URL ?>" id="programname"><?php echo $PROGRAM_NAME?></a>

<?php // Print custom trailer (since we do not call print_trailer function)
if ( ! empty ( $CUSTOM_TRAILER ) && $CUSTOM_TRAILER == 'Y' ) {
  $res = dbi_query (
    "SELECT cal_template_text FROM webcal_report_template " .
    "WHERE cal_template_type = 'T' and cal_report_id = 0" );
  if ( $res ) {
    if ( $row = dbi_fetch_row ( $res ) ) {
      echo $row[0];
    }
    dbi_free_result ( $res );
  }
} ?>
</body>
</html>

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