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<?php
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/**
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* @file
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* Admin interface for general ldap api settings.
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*/
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/**
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*
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*/
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function ldap_servers_settings() {
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ldap_servers_module_load_include('inc', 'ldap_servers', 'ldap_servers.functions');
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if (!ldap_servers_ldap_extension_loaded()) {
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drupal_set_message(t('PHP LDAP Extension is not loaded.'), "warning");
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}
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$form['#title'] = "Configure LDAP Preferences";
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$options = ldap_servers_encrypt_types();
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/** when this is changed, need to decrypt and possibly encrypt pwd in newly selected format
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* ... thus default needs to be "No Encryption" to avoid confusion.
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*/
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$form['previous_encryption'] = ['#type' => 'hidden', '#default_value' => variable_get('ldap_servers_encryption', LDAP_SERVERS_ENC_TYPE_CLEARTEXT)];
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$form['encryption'] = ['#type' => 'fieldset', '#title' => t('Encryption')];
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$form['encryption']['ldap_servers_encryption'] = [
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'#type' => 'select',
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'#options' => $options,
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'#title' => t('Obfuscate LDAP Passwords?'),
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'#default_value' => variable_get('ldap_servers_encryption', LDAP_SERVERS_ENC_TYPE_CLEARTEXT),
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'#description' => t('With obfuscation enabled, passwords will be stored in encrypted form and decrypted with the site hash.'),
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];
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// Disable the form field and explain this to the user.
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if (count($options) == 1) {
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$form['encryption']['ldap_servers_encryption']['#disabled'] = TRUE;
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$form['encryption']['ldap_servers_encryption']['#description'] = ' <strong>' . t('Obfuscation is not supported on this web server.') . '</strong>';
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}
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$form = system_settings_form($form);
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// Needs to be first.
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array_unshift($form['#submit'], 'ldap_servers_settings_submit');
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return $form;
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}
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/**
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*
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*/
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function ldap_servers_settings_submit($form, &$form_state) {
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if ($form_state['submitted']) {
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$new_encyption = $form_state['values']['ldap_servers_encryption'];
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$old_encyption = $form_state['values']['previous_encryption'];
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// Use db instead of functions to avoid classes encryption and decryption.
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if ($new_encyption != $old_encyption) {
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$servers = db_query("SELECT sid, bindpw FROM {ldap_servers} WHERE bindpw is not NULL AND bindpw <> ''")->fetchAllAssoc('sid');
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foreach ($servers as $sid => $server) {
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if ($server->bindpw != '') {
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$decrypted_bind_pwd = ldap_servers_decrypt($server->bindpw, $old_encyption);
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$rencrypted = ldap_servers_encrypt($decrypted_bind_pwd, $new_encyption);
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}
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else {
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$rencrypted = '';
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}
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db_query("UPDATE {ldap_servers} SET bindpw = :bindpw WHERE sid = :sid", [':bindpw' => $rencrypted, ':sid' => $sid]);
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}
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}
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}
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}
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