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NTLM SSO: MDL-13760 Speed up ntlm sign on with conditional redirect for msie

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Provides an option, configurable by admin, to make the ntlm test happen
only if MSIE is not used. This speeds things up for IE.
This commit is contained in:
iarenaza 2009-02-14 16:21:58 +00:00
parent 4194d32185
commit 16ceeb6436
4 changed files with 36 additions and 2 deletions
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15
auth/ldap/auth.php
View file

@ -1793,7 +1793,17 @@ class auth_plugin_ldap extends auth_plugin_base {
}
// Now start the whole NTLM machinery.
redirect($CFG->wwwroot.'/auth/ldap/ntlmsso_attempt.php');
if(!empty($this->config->ntlmsso_ie_fastpath)) {
// Shortcut for IE browsers: skip the attempt page at all
if(check_browser_version('MSIE')) {
$sesskey = sesskey();
redirect($CFG->wwwroot.'/auth/ldap/ntlmsso_magic.php?sesskey='.$sesskey);
} else {
redirect($CFG->httpswwwroot.'/login/index.php?authldap_skipntlmsso=1');
}
} else {
redirect($CFG->wwwroot.'/auth/ldap/ntlmsso_attempt.php');
}
}
// No NTLM SSO, Use the normal login page instead.
@ -1994,6 +2004,8 @@ class auth_plugin_ldap extends auth_plugin_base {
{$config->ntlmsso_enabled = 0; }
if (!isset($config->ntlmsso_subnet))
{$config->ntlmsso_subnet = ''; }
if (!isset($config->ntlmsso_ie_fastpath))
{$config->ntlmsso_ie_fastpath = 0; }
// save settings
set_config('host_url', $config->host_url, 'auth/ldap');
@ -2026,6 +2038,7 @@ class auth_plugin_ldap extends auth_plugin_base {
set_config('removeuser', $config->removeuser, 'auth/ldap');
set_config('ntlmsso_enabled', (int)$config->ntlmsso_enabled, 'auth/ldap');
set_config('ntlmsso_subnet', $config->ntlmsso_subnet, 'auth/ldap');
set_config('ntlmsso_ie_fastpath', (int)$config->ntlmsso_ie_fastpath, 'auth/ldap');
return true;
}

13
auth/ldap/config.html
View file

@ -59,6 +59,8 @@
{$config->ntlmsso_enabled = 0; }
if (!isset($config->ntlmsso_subnet))
{$config->ntlmsso_subnet = ''; }
if (!isset($config->ntlmsso_ie_fastpath))
{$config->ntlmsso_ie_fastpath = 0; }
$yesno = array( get_string('no'), get_string('yes') );
@ -468,6 +470,17 @@ if (!function_exists('ldap_connect')) { // Is php4-ldap really there?
<?php print_string('auth_ntlmsso_subnet','auth') ?>
</td>
</tr>
<tr valign="top">
<td align="right"><label for="menuntlmsso_ie_fastpath"><?php print_string('auth_ntlmsso_ie_fastpath_key','auth') ?></label></td>
<td>
<?php
choose_from_menu($yesno, 'ntlmsso_ie_fastpath', $config->ntlmsso_ie_fastpath, '0');
?>
</td>
<td>
<?php print_string('auth_ntlmsso_ie_fastpath','auth') ?>
</td>
</tr>
<?php

8
auth/ldap/ntlmsso_magic.php
View file

@ -27,6 +27,12 @@ $file = $CFG->dirroot . '/pix/spacer.gif';
if ($authplugin->ntlmsso_magic($sesskey)
&& file_exists($file)) {
if (!empty($authplugin->config->ntlmsso_ie_fastpath)) {
if (check_browser_version('MSIE')) {
redirect($CFG->wwwroot . '/auth/ldap/ntlmsso_finish.php');
}
}
// Serve GIF
// Type
header('Content-Type: image/gif');
@ -41,4 +47,4 @@ if ($authplugin->ntlmsso_magic($sesskey)
print_error('ntlmsso_iwamagicnotenabled','auth');
}
?>
?>