658 lines
21 KiB
PHP
658 lines
21 KiB
PHP
<?php
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use \LAM\PDF\PDFTable;
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use \LAM\PDF\PDFTableCell;
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use \LAM\PDF\PDFTableRow;
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/*
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This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
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Copyright (C) 2005 - 2020 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* Manages SSH public keys.
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*
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* @package modules
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* @author Roland Gruber
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* @author Andrew Dibble <adibble@mobitv.com>
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*/
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/**
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* Manages SSH public keys.
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*
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* @package modules
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*/
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class ldapPublicKey extends baseModule {
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/** session variable for existing keys in self service */
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const SESS_KEY_LIST = 'ldapPublicKey_keyList';
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/**
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* Creates a new ldapPublicKey object.
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*
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* @param string $scope account type (user, group, host)
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*/
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function __construct($scope) {
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// call parent constructor
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parent::__construct($scope);
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$this->autoAddObjectClasses = false;
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}
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/**
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* Returns true if this module can manage accounts of the current type, otherwise false.
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*
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* @return boolean true if module fits
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*/
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public function can_manage() {
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return in_array($this->get_scope(), array('user'));
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}
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/**
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* Returns meta data that is interpreted by parent class
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*
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* @return array array with meta data
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*
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* @see baseModule::get_metaData()
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*/
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function get_metaData() {
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$return = array();
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// icon
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$return['icon'] = 'keyBig.png';
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// alias name
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$return["alias"] = _("SSH public key");
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// module dependencies
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$return['dependencies'] = array('depends' => array(), 'conflicts' => array());
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// managed object classes
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$return['objectClasses'] = array('ldapPublicKey');
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// managed attributes
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$return['attributes'] = array('sshPublicKey');
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// help Entries
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$return['help'] = array(
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'sshPublicKey' => array(
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"Headline" => _("SSH public key"), 'attr' => 'sshPublicKey',
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"Text" => _("Please enter your public SSH key.")
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),
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'keyList' => array(
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"Headline" => _("SSH public key"), 'attr' => 'sshPublicKey',
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"Text" => _("Please a comma separated list of your public SSH keys.")
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),
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'upload' => array(
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"Headline" => _("File upload"), 'attr' => 'sshPublicKey',
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"Text" => _("Upload a file with one or more keys. Each line contains one key.")
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),
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'autoAdd' => array(
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"Headline" => _("Automatically add this extension"),
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"Text" => _("This will enable the extension automatically if this profile is loaded.")
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),
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);
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// profile options
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$profileContainer = new htmlResponsiveRow();
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$profileContainer->add(new htmlResponsiveInputCheckbox('ldapPublicKey_addExt', false, _('Automatically add this extension'), 'autoAdd'), 12);
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$return['profile_options'] = $profileContainer;
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// upload fields
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$return['upload_columns'] = array(
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array(
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'name' => 'ldapPublicKey_sshPublicKey',
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'description' => _('SSH public key'),
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'help' => 'keyList',
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'example' => _('ssh-dss 234234 user@host')
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)
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);
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// available PDF fields
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$return['PDF_fields'] = array(
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'sshPublicKey' => _('SSH public keys')
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);
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// self service field settings
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$return['selfServiceFieldSettings'] = array(
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'sshPublicKey' => _('SSH public keys'),
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);
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return $return;
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}
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/**
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* This function fills the message array.
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**/
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function load_Messages() {
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$this->messages['file'][0] = array('ERROR', _('No file selected.'));
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$this->messages['file'][1] = array('ERROR', _('The uploaded file seems to be no valid public key.'));
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}
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/**
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* Returns the HTML meta data for the main account page.
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*
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* @return htmlElement HTML meta data
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*/
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function display_html_attributes() {
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$return = new htmlResponsiveRow();
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if (in_array('ldapPublicKey', $this->attributes['objectClass'])) {
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$this->addMultiValueInputTextField($return, 'sshPublicKey', _('SSH public key'), false, '16384', false, null, '50');
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// file upload
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$return->addVerticalSpacer('2rem');
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$return->addLabel(new htmlOutputText(_('Upload file')));
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$uploadGroup = new htmlGroup();
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$uploadGroup->addElement(new htmlInputFileUpload('sshPublicKeyFile'));
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$uploadGroup->addElement(new htmlSpacer('1px', null));
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$uploadGroup->addElement(new htmlButton('sshPublicKeyFileSubmit', _('Upload')));
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$uploadGroup->addElement(new htmlSpacer('5px', null));
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$uploadGroup->addElement(new htmlHelpLink('upload'));
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$return->addField($uploadGroup);
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$return->addVerticalSpacer('2rem');
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$remButton = new htmlButton('remObjectClass', _('Remove SSH public key extension'));
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$return->add($remButton, 12, 12, 12, 'text-center');
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}
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else {
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$return->add(new htmlButton('addObjectClass', _('Add SSH public key extension')), 12);
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}
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return $return;
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}
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/**
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* Processes user input of the primary module page.
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* It checks if all input values are correct and updates the associated LDAP attributes.
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*
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* @return array list of info/error messages
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*/
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function process_attributes() {
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$messages = array();
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// add extension
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if (isset($_POST['addObjectClass'])) {
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$this->attributes['objectClass'][] = 'ldapPublicKey';
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return array();
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}
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// remove extension
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elseif (isset($_POST['remObjectClass'])) {
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$this->attributes['objectClass'] = array_delete(array('ldapPublicKey'), $this->attributes['objectClass']);
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if (!empty($this->attributes['sshPublicKey'])) {
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unset($this->attributes['sshPublicKey']);
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}
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return array();
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}
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// skip processing if extension is not active
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if (!in_array('ldapPublicKey', $this->attributes['objectClass'])) {
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return array();
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}
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$this->processMultiValueInputTextField('sshPublicKey', $messages);
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// file upload
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if (isset($_POST['sshPublicKeyFileSubmit'])) {
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if ($_FILES['sshPublicKeyFile'] && ($_FILES['sshPublicKeyFile']['size'] > 0)) {
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$handle = fopen($_FILES['sshPublicKeyFile']['tmp_name'], "r");
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$data = fread($handle, 10000000);
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fclose($handle);
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$isOk = true;
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if (is_executable('/usr/bin/ssh-keygen')) {
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$out = array();
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$retVal = 0;
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exec('/usr/bin/ssh-keygen -l -f ' . escapeshellarg($_FILES['sshPublicKeyFile']['tmp_name']), $out, $retVal);
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if ($retVal !== 0) {
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$messages[] = $this->messages['file'][1];
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$isOk = false;
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}
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}
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if ($isOk) {
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$data = str_replace("\r\n", "\n", $data);
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$data = str_replace("\r", "\n", $data);
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$lines = explode("\n", $data);
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foreach ($lines as $line) {
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if (!empty($line) && !(strpos($line, '#') === 0)) {
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$this->attributes['sshPublicKey'][] = $line;
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}
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}
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}
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}
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else {
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$messages[] = $this->messages['file'][0];
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}
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}
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$this->attributes['sshPublicKey'] = array_values(array_unique($this->attributes['sshPublicKey']));
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return $messages;
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}
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/**
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* Returns a list of modifications which have to be made to the LDAP account.
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*
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* @return array list of modifications
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* <br>This function returns an array with 3 entries:
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* <br>array( DN1 ('add' => array($attr), 'remove' => array($attr), 'modify' => array($attr)), DN2 .... )
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* <br>DN is the DN to change. It may be possible to change several DNs (e.g. create a new user and add him to some groups via attribute memberUid)
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* <br>"add" are attributes which have to be added to LDAP entry
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* <br>"remove" are attributes which have to be removed from LDAP entry
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* <br>"modify" are attributes which have to been modified in LDAP entry
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* <br>"info" are values with informational value (e.g. to be used later by pre/postModify actions)
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*/
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function save_attributes() {
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if (!in_array('ldapPublicKey', $this->attributes['objectClass']) && !in_array('ldapPublicKey', $this->orig['objectClass'])) {
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// skip saving if the extension was not added/modified
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return array();
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}
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return parent::save_attributes();
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}
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/**
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* Loads the values of an account profile into internal variables.
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*
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* @param array $profile hash array with profile values (identifier => value)
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*/
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function load_profile($profile) {
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// profile mappings in meta data
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parent::load_profile($profile);
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// add extension
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if (isset($profile['ldapPublicKey_addExt'][0]) && ($profile['ldapPublicKey_addExt'][0] == "true")) {
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if (!in_array('ldapPublicKey', $this->attributes['objectClass'])) {
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$this->attributes['objectClass'][] = 'ldapPublicKey';
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}
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}
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}
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/**
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* {@inheritDoc}
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* @see baseModule::build_uploadAccounts()
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*/
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function build_uploadAccounts($rawAccounts, $ids, &$partialAccounts, $selectedModules, &$type) {
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$messages = array();
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for ($i = 0; $i < sizeof($rawAccounts); $i++) {
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// add object class
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if (!in_array("ldapPublicKey", $partialAccounts[$i]['objectClass'])) $partialAccounts[$i]['objectClass'][] = "ldapPublicKey";
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// add keys
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$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'ldapPublicKey_sshPublicKey', 'sshPublicKey', null, null, $messages, '/,[ ]*/');
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}
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return $messages;
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}
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/**
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* {@inheritDoc}
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* @see baseModule::get_pdfEntries()
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*/
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function get_pdfEntries($pdfKeys, $typeId) {
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$return = array();
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if (!empty($this->attributes['sshPublicKey'])) {
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$pdfTable = new PDFTable(_('SSH public keys'));
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for ($i = 0; $i < sizeof($this->attributes['sshPublicKey']); $i++) {
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$pdfRow = new PDFTableRow();
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$pdfRow->cells[] = new PDFTableCell($this->attributes['sshPublicKey'][$i]);
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$pdfTable->rows[] = $pdfRow;
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}
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$this->addPDFTable($return, 'sshPublicKey', $pdfTable);
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}
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return $return;
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}
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/**
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* Returns the meta HTML code for each input field.
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* format: array(<field1> => array(<META HTML>), ...)
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* It is not possible to display help links.
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*
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* @param array $fields list of active fields
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* @param array $attributes attributes of LDAP account
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* @param boolean $passwordChangeOnly indicates that the user is only allowed to change his password and no LDAP content is readable
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* @param array $readOnlyFields list of read-only fields
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* @return array list of meta HTML elements (field name => htmlResponsiveRow)
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*/
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function getSelfServiceOptions($fields, $attributes, $passwordChangeOnly, $readOnlyFields) {
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$return = array();
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if ($passwordChangeOnly) {
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return $return; // no fields as long no LDAP content can be read
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}
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if (in_array('sshPublicKey', $fields)) {
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$sshPublicKeys = array();
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if (isset($attributes['sshPublicKey'][0])) {
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$sshPublicKeys = $attributes['sshPublicKey'];
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}
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$_SESSION[self::SESS_KEY_LIST] = $sshPublicKeys;
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$keyTable = new htmlTable();
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// JavaScript functions
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$keyTable->addElement($this->getSelfServiceKeysJSBlock(), true);
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// input fields
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$keyTable->addElement(new htmlDiv('sshPublicKeyDiv', $this->getSelfServiceKeys()), true);
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// upload status
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$uploadStatus = new htmlDiv('ldapPublicKey_upload_status_key', new htmlOutputText(''));
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$uploadStatus->setCSSClasses(array('qq-upload-list'));
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$keyTable->addElement($uploadStatus, true);
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$keyLabel = new htmlOutputText($this->getSelfServiceLabel('sshPublicKey', _('SSH public keys')));
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$row = new htmlResponsiveRow();
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$row->addLabel($keyLabel);
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$row->addField($keyTable);
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$return['sshPublicKey'] = $row;
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}
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return $return;
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}
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/**
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* Returns the meta HTML code to display the key area.
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* This also includes the file upload.
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*
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* @return htmlTable key content
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*/
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private function getSelfServiceKeys() {
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$keys = $_SESSION[self::SESS_KEY_LIST];
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$content = new htmlResponsiveRow();
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if (sizeof($keys) > 0) {
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for ($i = 0; $i < sizeof($keys); $i++) {
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$group = new htmlGroup();
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$keyInput = new htmlInputField('sshPublicKey_' . $i, $keys[$i]);
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$keyInput->setFieldMaxLength(16384);
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$group->addElement($keyInput);
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$delLink = new htmlLink('', '#', '../../graphics/del.png');
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$delLink->setTitle(_('Delete'));
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$delLink->setOnClick('ldapPublicKeyDeleteKey(' . $i . ', ' . sizeof($keys) . ');return false;');
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$group->addElement($delLink);
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if ($i == (sizeof($keys) - 1)) {
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$addLink = new htmlLink('', '#', '../../graphics/add.png');
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$addLink->setTitle(_('Add'));
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$addLink->setOnClick('ldapPublicKeyAddKey(' . sizeof($keys) . ');return false;');
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$group->addElement($addLink);
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}
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$content->add($group, 12, 12, 12, 'nowrap');
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}
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}
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else {
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$addLink = new htmlLink('', '#', '../../graphics/add.png');
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$addLink->setTitle(_('Add'));
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$addLink->setOnClick('ldapPublicKeyAddKey(' . sizeof($keys) . ');return false;');
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$content->add($addLink, 12);
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}
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// upload button
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$uploadButtons = new htmlGroup();
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$uploadButtons->addElement(new htmlDiv('ldapPublicKeyKeyUploadId', new htmlOutputText('')), true);
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$keyUpload = new htmlJavaScript('ldapPublicKeyUploadKey(\'ldapPublicKeyKeyUploadId\', ' . sizeof($keys) . ');');
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$uploadButtons->addElement($keyUpload);
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$content->add($uploadButtons, 12);
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return $content;
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}
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/**
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* Returns the Java Script functions to manage the keys.
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*
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* @return htmlJavaScript JS block
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*/
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private static function getSelfServiceKeysJSBlock() {
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$content = '
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function ldapPublicKeyDeleteKey(id, count) {
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var actionJSON = {
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"action": "deleteKey",
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"id": id
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};
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for (c = 0; c < count; c++) {
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actionJSON["sshPublicKey_" + c] = jQuery(\'#sshPublicKey_\' + c).val();
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}
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var data = {jsonInput: actionJSON};
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data["' . getSecurityTokenName() . '"] = "' . getSecurityTokenValue() . '";
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jQuery.post(\'../misc/ajax.php?selfservice=1&module=ldapPublicKey&scope=user\',
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data, function(data) {ldapPublicKeyDeleteKeyHandleReply(data);}, \'json\');
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}
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function ldapPublicKeyDeleteKeyHandleReply(data) {
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if (data.errorsOccured == "false") {
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jQuery(\'#sshPublicKeyDiv\').html(data.html);
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}
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else {
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alert(data.errormessage);
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}
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}
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function ldapPublicKeyAddKey(count) {
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var actionJSON = {
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"action": "addKey"
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};
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for (c = 0; c < count; c++) {
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actionJSON["sshPublicKey_" + c] = jQuery(\'#sshPublicKey_\' + c).val();
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}
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var data = {jsonInput: actionJSON};
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data["' . getSecurityTokenName() . '"] = "' . getSecurityTokenValue() . '";
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jQuery.post(\'../misc/ajax.php?selfservice=1&module=ldapPublicKey&scope=user'
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. '&' . getSecurityTokenName() . '=' . getSecurityTokenValue()
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. '\', data, function(data) {ldapPublicKeyAddKeyHandleReply(data);}, \'json\');
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}
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function ldapPublicKeyAddKeyHandleReply(data) {
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if (data.errorsOccured == "false") {
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jQuery(\'#sshPublicKeyDiv\').html(data.html);
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}
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else {
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alert(data.errormessage);
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}
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}
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function ldapPublicKeyUploadKey(elementID, count) {
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var uploadStatus = document.getElementById(\'ldapPublicKey_upload_status_key\');
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var parameters = {
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action: \'ajaxKeyUpload\'
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};
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for (c = 0; c < count; c++) {
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parameters["sshPublicKey_" + c] = jQuery(\'#sshPublicKey_\' + c).val();
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}
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parameters["' . getSecurityTokenName() . '"] = "' . getSecurityTokenValue() . '";
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var uploader = new qq.FineUploader({
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element: document.getElementById(elementID),
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listElement: uploadStatus,
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request: {
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endpoint: \'../misc/ajax.php?selfservice=1&module=ldapPublicKey&scope=user\',
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forceMultipart: true,
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paramsInBody: true,
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params: parameters
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},
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multiple: false,
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callbacks: {
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onComplete: function(id, fileName, data) {
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if (data.success) {
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if (data.html) {
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jQuery(\'#sshPublicKeyDiv\').html(data.html);
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}
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}
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else {
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alert(data.error);
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}
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}
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}
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});
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}
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';
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return new htmlJavaScript($content);
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}
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/**
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* Checks if all input values are correct and returns the LDAP attributes which should be changed.
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* <br>Return values:
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* <br>messages: array of parameters to create status messages
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* <br>add: array of attributes to add
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* <br>del: array of attributes to remove
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* <br>mod: array of attributes to modify
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* <br>info: array of values with informational value (e.g. to be used later by pre/postModify actions)
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*
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* Calling this method does not require the existence of an enclosing {@link accountContainer}.
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*
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* @param string $fields input fields
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* @param array $attributes LDAP attributes
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* @param boolean $passwordChangeOnly indicates that the user is only allowed to change his password and no LDAP content is readable
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* @param array $readOnlyFields list of read-only fields
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|
* @return array messages and attributes (array('messages' => array(), 'add' => array('mail' => array('test@test.com')), 'del' => array(), 'mod' => array(), 'info' => array()))
|
|
*/
|
|
public function checkSelfServiceOptions($fields, $attributes, $passwordChangeOnly, $readOnlyFields) {
|
|
$return = array('messages' => array(), 'add' => array(), 'del' => array(), 'mod' => array(), 'info' => array());
|
|
if ($passwordChangeOnly) {
|
|
return $return; // skip processing if only a password change is done
|
|
}
|
|
if (in_array('sshPublicKey', $fields)) {
|
|
$newKeys = array();
|
|
$counter = 0;
|
|
while (isset($_POST['sshPublicKey_' . $counter])) {
|
|
$newKeys[] = $_POST['sshPublicKey_' . $counter];
|
|
$counter++;
|
|
}
|
|
$count = sizeof($newKeys);
|
|
for ($i = 0; $i < $count; $i++) {
|
|
if (trim($newKeys[$i]) == '') {
|
|
unset($newKeys[$i]);
|
|
}
|
|
}
|
|
$newKeys = array_values(array_unique($newKeys));
|
|
$oldKeys = array();
|
|
if (isset($attributes['sshPublicKey'][0])) {
|
|
$oldKeys = $attributes['sshPublicKey'];
|
|
}
|
|
$update = false;
|
|
if (sizeof($newKeys) != sizeof($oldKeys)) {
|
|
$update = true;
|
|
}
|
|
else {
|
|
for ($i = 0; $i < sizeof($newKeys); $i++) {
|
|
if (!in_array($newKeys[$i], $oldKeys)) {
|
|
$update = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if ($update) {
|
|
if (sizeof($oldKeys) == 0) {
|
|
$return['add']['sshPublicKey'] = $newKeys;
|
|
}
|
|
elseif (sizeof($newKeys) == 0) {
|
|
$return['del']['sshPublicKey'] = $newKeys;
|
|
}
|
|
else {
|
|
$return['mod']['sshPublicKey'] = $newKeys;
|
|
}
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Manages AJAX requests.
|
|
* This function may be called with or without an account container.
|
|
*/
|
|
public function handleAjaxRequest() {
|
|
// AJAX uploads are non-JSON
|
|
if (isset($_GET['action']) && ($_GET['action'] == 'ajaxKeyUpload')) {
|
|
$this->ajaxUpload();
|
|
return;
|
|
}
|
|
$jsonInput = $_POST['jsonInput'];
|
|
$jsonReturn = self::invalidAjaxRequest();
|
|
if (isset($jsonInput['action'])) {
|
|
if ($jsonInput['action'] == 'deleteKey') {
|
|
$jsonReturn = $this->ajaxDeleteSelfServiceKey($jsonInput);
|
|
}
|
|
elseif ($jsonInput['action'] == 'addKey') {
|
|
$_SESSION[self::SESS_KEY_LIST][] = '';
|
|
ob_start();
|
|
$contentElement = $this->getSelfServiceKeys();
|
|
ob_end_clean();
|
|
ob_start();
|
|
$tabindex = 999;
|
|
parseHtml(null, $contentElement, array(), true, $tabindex, $this->get_scope());
|
|
$content = ob_get_contents();
|
|
ob_end_clean();
|
|
$jsonReturn = array(
|
|
'errorsOccured' => 'false',
|
|
'html' => $content,
|
|
);
|
|
}
|
|
}
|
|
echo json_encode($jsonReturn);
|
|
}
|
|
|
|
/**
|
|
* Handles an AJAX file upload and prints the JSON result.
|
|
*/
|
|
private function ajaxUpload() {
|
|
$result = array('success' => true);
|
|
if (!isset($_FILES['qqfile']) || ($_FILES['qqfile']['size'] < 10)) {
|
|
$result = array('error' => _('No file received.'));
|
|
}
|
|
else {
|
|
$handle = fopen($_FILES['qqfile']['tmp_name'], "r");
|
|
$data = fread($handle, 100000000);
|
|
fclose($handle);
|
|
if (is_executable('/usr/bin/ssh-keygen')) {
|
|
$out = array();
|
|
$retVal = 0;
|
|
exec('/usr/bin/ssh-keygen -l -f ' . escapeshellarg($_FILES['qqfile']['tmp_name']), $out, $retVal);
|
|
if ($retVal !== 0) {
|
|
$result = array('error' => $this->messages['file'][1][1]);
|
|
echo json_encode($result);
|
|
return;
|
|
}
|
|
}
|
|
$data = str_replace("\r\n", "\n", $data);
|
|
$data = str_replace("\r", "\n", $data);
|
|
$lines = explode("\n", $data);
|
|
foreach ($lines as $line) {
|
|
if (!empty($line) && !(strpos($line, '#') === 0)) {
|
|
$_SESSION[self::SESS_KEY_LIST][] = $line;
|
|
}
|
|
}
|
|
$_SESSION[self::SESS_KEY_LIST] = array_values(array_unique($_SESSION[self::SESS_KEY_LIST]));
|
|
ob_start();
|
|
$contentElement = $this->getSelfServiceKeys();
|
|
ob_end_clean();
|
|
ob_start();
|
|
$tabindex = 999;
|
|
parseHtml(null, $contentElement, array(), true, $tabindex, $this->get_scope());
|
|
$content = ob_get_contents();
|
|
ob_end_clean();
|
|
$result['html'] = $content;
|
|
}
|
|
echo json_encode($result);
|
|
}
|
|
|
|
/**
|
|
* Manages the deletion of a key.
|
|
*
|
|
* @param array $data JSON data
|
|
*/
|
|
private function ajaxDeleteSelfServiceKey($data) {
|
|
if (!isset($data['id'])) {
|
|
return self::invalidAjaxRequest();
|
|
}
|
|
$index = $data['id'];
|
|
if (array_key_exists($index, $_SESSION[self::SESS_KEY_LIST])) {
|
|
unset($_SESSION[self::SESS_KEY_LIST][$index]);
|
|
$_SESSION[self::SESS_KEY_LIST] = array_values($_SESSION[self::SESS_KEY_LIST]);
|
|
}
|
|
ob_start();
|
|
$contentElement = $this->getSelfServiceKeys();
|
|
ob_end_clean();
|
|
ob_start();
|
|
$tabindex = 999;
|
|
parseHtml(null, $contentElement, array(), true, $tabindex, $this->get_scope());
|
|
$content = ob_get_contents();
|
|
ob_end_clean();
|
|
return array(
|
|
'errorsOccured' => 'false',
|
|
'html' => $content,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Invalid AJAX request received.
|
|
*
|
|
* @param String $message error message
|
|
*/
|
|
public static function invalidAjaxRequest($message = null) {
|
|
if ($message == null) {
|
|
$message = _('Invalid request');
|
|
}
|
|
return array('errorsOccured' => 'true', 'errormessage' => $message);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
?>
|