<?php

// Set to defaults if undefined
if (!isset($config->host_url)) {
    $config->host_url = '';
}
if (empty($config->ldapencoding)) {
    $config->ldapencoding = 'utf-8';
}
if (!isset($config->pagesize)) {
    $config->pagesize = LDAP_DEFAULT_PAGESIZE;
}
if (!isset($config->contexts)) {
    $config->contexts = '';
}
if (!isset($config->user_type)) {
    $config->user_type = 'default';
}
if (!isset($config->user_attribute)) {
    $config->user_attribute = '';
}
if (!isset($config->search_sub)) {
    $config->search_sub = '';
}
if (!isset($config->opt_deref)) {
    $config->opt_deref = LDAP_DEREF_NEVER;
}
if (!isset($config->preventpassindb)) {
    $config->preventpassindb = 0;
}
if (!isset($config->bind_dn)) {
    $config->bind_dn = '';
}
if (!isset($config->bind_pw)) {
    $config->bind_pw = '';
}
if (!isset($config->ldap_version)) {
    $config->ldap_version = '3';
}
if (!isset($config->objectclass)) {
    $config->objectclass = '';
}
if (!isset($config->memberattribute)) {
    $config->memberattribute = '';
}
if (!isset($config->memberattribute_isdn)) {
    $config->memberattribute_isdn = '';
}
if (!isset($config->creators)) {
    $config->creators = '';
}
if (!isset($config->create_context)) {
    $config->create_context = '';
}
if (!isset($config->expiration)) {
    $config->expiration = '';
}
if (!isset($config->expiration_warning)) {
    $config->expiration_warning = '10';
}
if (!isset($config->expireattr)) {
    $config->expireattr = '';
}
if (!isset($config->gracelogins)) {
    $config->gracelogins = '';
}
if (!isset($config->graceattr)) {
    $config->graceattr = '';
}
if (!isset($config->auth_user_create)) {
    $config->auth_user_create = '';
}
if (!isset($config->forcechangepassword)) {
    $config->forcechangepassword = 0;
}
if (!isset($config->stdchangepassword)) {
    $config->stdchangepassword = 0;
}
if (!isset($config->passtype)) {
    $config->passtype = 'plaintext';
}
if (!isset($config->changepasswordurl)) {
    $config->changepasswordurl = '';
}
if (!isset($config->removeuser)) {
    $config->removeuser = AUTH_REMOVEUSER_KEEP;
}
if (!isset($config->ntlmsso_enabled)) {
    $config->ntlmsso_enabled = 0;
}
if (!isset($config->ntlmsso_subnet)) {
    $config->ntlmsso_subnet = '';
}
if (!isset($config->ntlmsso_ie_fastpath)) {
    $config->ntlmsso_ie_fastpath = 0;
}
if (!isset($config->ntlmsso_type)) {
    $config->ntlmsso_type = 'ntlm';
}
if (!isset($config->ntlmsso_remoteuserformat)) {
    $config->ntlmsso_remoteuserformat = '';
}

$yesno = array(get_string('no'), get_string('yes'));

?>
<table cellspacing="0" cellpadding="5" border="0">
<tr>
   <td colspan="2">
       <h4><?php print_string('auth_ldap_server_settings', 'auth_ldap') ?></h4>
   </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="host_url"><?php print_string('auth_ldap_host_url_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="host_url" id="host_url" type="text" size="30" value="<?php echo $config->host_url?>" />
        <?php if (isset($err['host_url'])) { echo $OUTPUT->error_text($err['host_url']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_host_url', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menuldap_version"><?php print_string('auth_ldap_version_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php
           $versions = array();
           $versions[2] = '2';
           $versions[3] = '3';
           echo html_writer::select($versions, 'ldap_version', $config->ldap_version, false);
           if (isset($err['ldap_version'])) { echo $OUTPUT->error_text($err['ldap_version']); }
        ?>
    </td>
    <td>
        <?php print_string('auth_ldap_version', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="ldapencoding"><?php print_string('auth_ldap_ldap_encoding_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input id="ldapencoding" name="ldapencoding" type="text" value="<?php echo $config->ldapencoding ?>" />
        <?php if (isset($err['ldapencoding'])) { echo $OUTPUT->error_text($err['ldapencoding']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_ldap_encoding', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="pagesize"><?php print_string('pagesize_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php $disabled = (!ldap_paged_results_supported($config->ldap_version)) ? ' disabled="disabled"' : '' ; ?>
        <input id="pagesize" name="pagesize" type="text" value="<?php echo $config->pagesize ?>" <?php echo $disabled ?>/>
        <?php
            if (isset($err['pagesize'])) { echo $OUTPUT->error_text($err['pagesize']); }
            if ($disabled) {
                // Don't loose the page size value (disabled fields are not submitted!)
        ?>
            <input id="pagesize" name="pagesize" type="hidden" value="<?php echo $config->pagesize ?>" />
        <?php } ?>

    </td>
    <td>
        <?php print_string('pagesize', 'auth_ldap') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('auth_ldap_bind_settings', 'auth_ldap') ?></h4>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menupreventpassindb"><?php print_string('auth_ldap_preventpassindb_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'preventpassindb', $config->preventpassindb, false); ?>
    </td>
    <td>
        <?php print_string('auth_ldap_preventpassindb', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="bind_dn"><?php print_string('auth_ldap_bind_dn_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="bind_dn" id="bind_dn" type="text" size="30" value="<?php echo $config->bind_dn?>" />
        <?php if (isset($err['bind_dn'])) { echo $OUTPUT->error_text($err['bind_dn']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_bind_dn', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="bind_pw"><?php print_string('auth_ldap_bind_pw_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="bind_pw" id="bind_pw" type="password" size="30" value="<?php echo $config->bind_pw?>" />
        <?php if (isset($err['bind_pw'])) { echo $OUTPUT->error_text($err['bind_pw']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_bind_pw', 'auth_ldap') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('auth_ldap_user_settings', 'auth_ldap') ?></h4>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menuuser_type"><?php print_string('auth_ldap_user_type_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php
            echo html_writer::select(ldap_supported_usertypes(), 'user_type', $config->user_type, false);
            if (isset($err['user_type'])) { echo $OUTPUT->error_text($err['user_type']); }
        ?>
    </td>
    <td>
        <?php print_string('auth_ldap_user_type', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="contexts"><?php print_string('auth_ldap_contexts_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="contexts" id="contexts" type="text" size="30" value="<?php echo $config->contexts?>" />
        <?php if (isset($err['contexts'])) { echo $OUTPUT->error_text($err['contexts']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_contexts', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menusearch_sub"><?php print_string('auth_ldap_search_sub_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'search_sub', $config->search_sub, false); ?>
    </td>
    <td>
        <?php print_string('auth_ldap_search_sub', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menuopt_deref"><?php print_string('auth_ldap_opt_deref_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php
           $opt_deref = array();
           $opt_deref[LDAP_DEREF_NEVER] = get_string('no');
           $opt_deref[LDAP_DEREF_ALWAYS] = get_string('yes');
           echo html_writer::select($opt_deref, 'opt_deref', $config->opt_deref, false);
           if (isset($err['opt_deref'])) { echo $OUTPUT->error_text($err['opt_deref']); }
        ?>
    </td>
    <td>
        <?php print_string('auth_ldap_opt_deref', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="user_attribute"><?php print_string('auth_ldap_user_attribute_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="user_attribute" id="user_attribute" type="text" size="30" value="<?php echo $config->user_attribute?>" />
        <?php if (isset($err['user_attribute'])) { echo $OUTPUT->error_text($err['user_attribute']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_user_attribute', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="memberattribute"><?php print_string('auth_ldap_memberattribute_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="memberattribute" id="memberattribute" type="text" size="30" value="<?php echo $config->memberattribute?>" />
        <?php if (isset($err['memberattribute'])) { echo $OUTPUT->error_text($err['memberattribute']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_memberattribute', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="memberattribute_isdn"><?php print_string('auth_ldap_memberattribute_isdn_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="memberattribute_isdn" id="memberattribute_isdn" type="text" size="30" value="<?php echo $config->memberattribute_isdn?>" />
        <?php if (isset($err['memberattribute_isdn'])) { echo $OUTPUT->error_text($err['memberattribute_isdn']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_memberattribute_isdn', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="objectclass"><?php print_string('auth_ldap_objectclass_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="objectclass" id="objectclass" type="text" size="30" value="<?php echo $config->objectclass?>" />
        <?php if (isset($err['objectclass'])) { echo $OUTPUT->error_text($err['objectclass']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_objectclass', 'auth_ldap') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('forcechangepassword', 'auth') ?></h4>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right" valign="top">
        <label for="menuforcechangepassword"><?php print_string('forcechangepassword', 'auth') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'forcechangepassword', $config->forcechangepassword, false); ?>
    </td>
    <td align="left" valign="top">
        <p><?php print_string('forcechangepasswordfirst_help', 'auth') ?></p>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right" valign="top">
        <label for="menustdchangepassword"><?php print_string('stdchangepassword', 'auth') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'stdchangepassword', $config->stdchangepassword, false); ?>
    </td>
    <td align="left" valign="top">
        <p><?php print_string('stdchangepassword_expl', 'auth') ?></p>
        <p><?php print_string('stdchangepassword_explldap', 'auth') ?></p>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menupasstype"><?php print_string('auth_ldap_passtype_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php
            $passtype = array();
            $passtype['plaintext'] = get_string('plaintext', 'auth');
            $passtype['md5']       = get_string('md5', 'auth');
            $passtype['sha1']      = get_string('sha1', 'auth');
            echo html_writer::select($passtype, 'passtype', $config->passtype, false);
        ?>
    </td>
    <td>
        <?php print_string('auth_ldap_passtype', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="changepasswordurl"><?php print_string('auth_ldap_changepasswordurl_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="changepasswordurl" id="changepasswordurl" type="text" value="<?php echo $config->changepasswordurl ?>" />
        <?php if (isset($err['changepasswordurl'])) { echo $OUTPUT->error_text($err['changepasswordurl']); } ?>
    </td>
    <td>
        <?php print_string('changepasswordhelp', 'auth') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('auth_ldap_passwdexpire_settings', 'auth_ldap') ?></h4>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menuexpiration"><?php print_string('auth_ldap_expiration_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php
           $expiration = array();
           $expiration['0'] = 'no';
           $expiration['1'] = 'LDAP';
           echo html_writer::select($expiration, 'expiration', $config->expiration, false);
           if (isset($err['expiration'])) { echo $OUTPUT->error_text($err['expiration']); }
        ?>
    </td>
    <td>
        <?php print_string('auth_ldap_expiration_desc', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="expiration_warning"><?php print_string('auth_ldap_expiration_warning_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="expiration_warning" id="expiration_warning" type="text" size="2" value="<?php echo $config->expiration_warning?>" />
        <?php if (isset($err['expiration_warning'])) { echo $OUTPUT->error_text($err['expiration_warning']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_expiration_warning_desc', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="expireattr"><?php print_string('auth_ldap_expireattr_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="expireattr" id="expireattr" type="text" size="30" value="<?php echo $config->expireattr?>" />
        <?php if (isset($err['expireattr'])) { echo $OUTPUT->error_text($err['expireattr']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_expireattr_desc', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="menugracelogins"><?php print_string('auth_ldap_gracelogins_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'gracelogins', $config->gracelogins, false); ?>
    </td>
    <td>
        <?php print_string('auth_ldap_gracelogins_desc', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="graceattr"><?php print_string('auth_ldap_gracelogin_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="graceattr" id="graceattr" type="text" size="30" value="<?php echo $config->graceattr?>" />
        <?php if (isset($err['graceattr'])) { echo $OUTPUT->error_text($err['graceattr']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_graceattr_desc', 'auth_ldap') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('auth_user_create', 'auth') ?></h4>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="menuauth_user_create"><?php print_string('auth_ldap_auth_user_create_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'auth_user_create', $config->auth_user_create, false); ?>
    </td>
    <td>
        <?php print_string('auth_user_creation', 'auth'); ?>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="create_context"><?php print_string('auth_ldap_create_context_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="create_context" id="create_context" type="text" size="30" value="<?php echo $config->create_context?>" />
        <?php if (isset($err['create_context'])) { echo $OUTPUT->error_text($err['create_context']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_create_context', 'auth_ldap') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('coursecreators') ?></h4>
    </td>
</tr>
<tr valign="top" class="required">
    <td align="right">
        <label for="creators"><?php print_string('auth_ldap_creators_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="creators" id="creators" type="text" size="30" value="<?php echo $config->creators?>" />
        <?php if (isset($err['creators'])) { echo $OUTPUT->error_text($err['creators']); } ?>
    </td>
    <td>
        <?php print_string('auth_ldap_creators', 'auth_ldap') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('auth_sync_script', 'auth') ?></h4>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="menuremoveuser"><?php print_string('auth_remove_user_key', 'auth') ?></label>
    </td>
    <td>
        <?php
            $deleteopt = array();
            $deleteopt[AUTH_REMOVEUSER_KEEP] = get_string('auth_remove_keep', 'auth');
            $deleteopt[AUTH_REMOVEUSER_SUSPEND] = get_string('auth_remove_suspend', 'auth');
            $deleteopt[AUTH_REMOVEUSER_FULLDELETE] = get_string('auth_remove_delete', 'auth');
            echo html_writer::select($deleteopt, 'removeuser', $config->removeuser, false);
        ?>
    </td>
    <td>
        <?php print_string('auth_remove_user', 'auth') ?>
    </td>
</tr>
<tr>
    <td colspan="2">
        <h4><?php print_string('auth_ntlmsso', 'auth_ldap') ?></h4>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="menuntlmsso_enabled"><?php print_string('auth_ntlmsso_enabled_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'ntlmsso_enabled', $config->ntlmsso_enabled, false); ?>
    </td>
    <td>
        <?php print_string('auth_ntlmsso_enabled', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="ntlmsso_subnet"><?php print_string('auth_ntlmsso_subnet_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="ntlmsso_subnet" id="ntlmsso_subnet" type="text" size="30" value="<?php p($config->ntlmsso_subnet) ?>" />
    </td>
    <td>
        <?php print_string('auth_ntlmsso_subnet', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="menuntlmsso_ie_fastpath"><?php print_string('auth_ntlmsso_ie_fastpath_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <?php echo html_writer::select($yesno, 'ntlmsso_ie_fastpath', $config->ntlmsso_ie_fastpath, false); ?>
    </td>
    <td>
    <?php print_string('auth_ntlmsso_ie_fastpath', 'auth_ldap') ?>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="menuntlmsso_type"><?php print_string('auth_ntlmsso_type_key', 'auth_ldap')?></label>
    </td>
    <td>
        <?php
            $types = array();
            $types['ntlm'] = 'NTLM';
            $types['kerberos'] = 'Kerberos';
            echo html_writer::select($types, 'ntlmsso_type', $config->ntlmsso_type, false);
        ?>
    </td>
    <td>
        <?php print_string('auth_ntlmsso_type','auth_ldap') ?>
    </td>
</tr>
<tr valign="top">
    <td align="right">
        <label for="ntlmsso_remoteuserformat"><?php print_string('auth_ntlmsso_remoteuserformat_key', 'auth_ldap') ?></label>
    </td>
    <td>
        <input name="ntlmsso_remoteuserformat" id="ntlmsso_remoteuserformat" type="text" size="30" value="<?php echo $config->ntlmsso_remoteuserformat?>" />
        <?php if (isset($err['ntlmsso_remoteuserformat'])) { echo $OUTPUT->error_text($err['ntlmsso_remoteuserformat']); } ?>
    </td>
    <td>
        <?php print_string('auth_ntlmsso_remoteuserformat', 'auth_ldap') ?>
    </td>
</tr>
<?php
$help  = get_string('auth_ldapextrafields', 'auth_ldap');
$help .= get_string('auth_updatelocal_expl', 'auth');
$help .= get_string('auth_fieldlock_expl', 'auth');
$help .= get_string('auth_updateremote_expl', 'auth');
$help .= '<hr />';
$help .= get_string('auth_updateremote_ldap', 'auth');

print_auth_lock_options($this->authtype, $user_fields, $help, true, true);
?>
</table>
