class.ilOpenIdConnectSettingsGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilOpenIdConnectSettingsGUI
{
    const STAB_SETTINGS = 'settings';
    const STAB_PROFILE = 'profile';
    const STAB_ROLES = 'roles';
 
    const DEFAULT_CMD = 'settings';
 
    private $ref_id = 0;
 
 
    private $settings = null;
 
    protected $lng = null;
 
    protected $ctrl = null;
 
    protected $logger = null;
 
    protected $access = null;
 
    protected $review;
 
    protected $error = null;
 
    protected $mainTemplate = null;
 
    protected $tabs = null;
 
    public function __construct($a_ref_id)
    {
        global $DIC;
 
        $this->ref_id = $a_ref_id;
 
        $this->lng = $DIC->language();
        $this->lng->loadLanguageModule('auth');
 
        $this->mainTemplate = $DIC->ui()->mainTemplate();
        $this->tabs = $DIC->tabs();
        $this->ctrl = $DIC->ctrl();
        $this->logger = $DIC->logger()->auth();
 
        $this->access = $DIC->access();
        $this->review = $DIC->rbac()->review();
        $this->error = $DIC['ilErr'];
 
 
        $this->settings = ilOpenIdConnectSettings::getInstance();
    }
 
    protected function checkAccess($a_permission)
    {
        if (!$this->checkAccessBool($a_permission)) {
            $this->error->raiseError($this->lng->txt('msg_no_perm_read'), $this->error->WARNING);
        }
    }
 
    protected function checkAccessBool($a_permission)
    {
        return $this->access->checkAccess($a_permission, '', $this->ref_id);
    }
 
 
    public function executeCommand()
    {
        $this->checkAccess('read');
 
        switch ($this->ctrl->getNextClass()) {
            default:
                $cmd = $this->ctrl->getCmd(self::DEFAULT_CMD);
                $this->$cmd();
                break;
        }
    }
 
    protected function settings(ilPropertyFormGUI $form = null)
    {
        $this->checkAccess('read');
        $this->setSubTabs(self::STAB_SETTINGS);
 
 
        if (!$form instanceof ilPropertyFormGUI) {
            $form = $this->initSettingsForm();
        }
 
        $this->mainTemplate->setContent($form->getHTML());
    }
 
    protected function initSettingsForm()
    {
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt('auth_oidc_settings_title'));
        $form->setFormAction($this->ctrl->getFormAction($this));
 
        // activation
        $activation = new ilCheckboxInputGUI(
            $this->lng->txt('auth_oidc_settings_activation'),
            'activation'
        );
        $activation->setChecked($this->settings->getActive());
        $form->addItem($activation);
 
        // provider
        $provider = new ilTextInputGUI(
            $this->lng->txt('auth_oidc_settings_provider'),
            'provider'
        );
        $provider->setRequired(true);
        $provider->setValue($this->settings->getProvider());
        $form->addItem($provider);
 
        $client_id = new ilTextInputGUI(
            $this->lng->txt('auth_oidc_settings_client_id'),
            'client_id'
        );
        $client_id->setRequired(true);
        $client_id->setValue($this->settings->getClientId());
        $form->addItem($client_id);
 
        // secret
        $secret = new ilPasswordInputGUI(
            $this->lng->txt('auth_oidc_settings_secret'),
            'secret'
        );
        $secret->setSkipSyntaxCheck(true);
        $secret->setRetype(false);
        $secret->setRequired(false);
        if (strlen($this->settings->getSecret())) {
            $secret->setValue('******');
        }
        $form->addItem($secret);
 
        // login element
        $login_element = new ilRadioGroupInputGUI(
            $this->lng->txt('auth_oidc_settings_le'),
            'le'
        );
        $login_element->setRequired(true);
        $login_element->setValue($this->settings->getLoginElementType());
        $form->addItem($login_element);
 
        // le -> type text
        $text_option = new ilRadioOption(
            $this->lng->txt('auth_oidc_settings_txt'),
            ilOpenIdConnectSettings::LOGIN_ELEMENT_TYPE_TXT
        );
        $login_element->addOption($text_option);
 
        // le -> type text -> text
        $text = new ilTextInputGUI(
            '',
            'le_text'
        );
        $text->setValue($this->settings->getLoginElemenText());
        $text->setMaxLength(120);
        $text->setInfo($this->lng->txt('auth_oidc_settings_txt_val_info'));
        $text_option->addSubItem($text);
 
        // le -> type img
        $img_option = new ilRadioOption(
            $this->lng->txt('auth_oidc_settings_img'),
            ilOpenIdConnectSettings::LOGIN_ELEMENT_TYPE_IMG
        );
        $login_element->addOption($img_option);
 
        $image = new ilImageFileInputGUI(
            '',
            'le_img'
        );
        $image->setALlowDeletion(false);
 
        if ($this->settings->hasImageFile()) {
            $image->setImage($this->settings->getImageFilePath());
        }
        $image->setInfo($this->lng->txt('auth_oidc_settings_img_file_info'));
        $img_option->addSubItem($image);
 
        // login options
        $login_options = new ilRadioGroupInputGUI(
            $this->lng->txt('auth_oidc_settings_login_options'),
            'login_prompt'
        );
        $login_options->setValue($this->settings->getLoginPromptType());
 
        // enforce login
        $enforce = new ilRadioOption(
            $this->lng->txt('auth_oidc_settings_login_option_enforce'),
            ilOpenIdConnectSettings::LOGIN_ENFORCE
        );
        $enforce->setInfo($this->lng->txt('auth_oidc_settings_login_option_enforce_info'));
        $login_options->addOption($enforce);
 
        // default login
        $default = new ilRadioOption(
            $this->lng->txt('auth_oidc_settings_login_option_default'),
            ilOpenIdConnectSettings::LOGIN_STANDARD
        );
        $default->setInfo($this->lng->txt('auth_oidc_settings_login_option_default_info'));
        $login_options->addOption($default);
 
        $form->addItem($login_options);
 
        // logout scope
        $logout_scope = new ilRadioGroupInputGUI(
            $this->lng->txt('auth_oidc_settings_logout_scope'),
            'logout_scope'
        );
        $logout_scope->setValue($this->settings->getLogoutScope());
 
        // scope global
        $global_scope = new ilRadioOption(
            $this->lng->txt('auth_oidc_settings_logout_scope_global'),
            ilOpenIdConnectSettings::LOGOUT_SCOPE_GLOBAL
        );
        $global_scope->setInfo($this->lng->txt('auth_oidc_settings_logout_scope_global_info'));
        $logout_scope->addOption($global_scope);
 
        // ilias scope
        $ilias_scope = new ilRadioOption(
            $this->lng->txt('auth_oidc_settings_logout_scope_local'),
            ilOpenIdConnectSettings::LOGOUT_SCOPE_LOCAL
        );
        $logout_scope->addOption($ilias_scope);
 
        $form->addItem($logout_scope);
 
        $use_custom_session = new ilCheckboxInputGUI(
            $this->lng->txt('auth_oidc_settings_custom_session_duration_type'),
            'custom_session'
        );
        $use_custom_session->setOptionTitle(
            $this->lng->txt('auth_oidc_settings_custom_session_duration_option')
        );
        $use_custom_session->setChecked($this->settings->isCustomSession());
        $form->addItem($use_custom_session);
 
        // session duration
        $session = new ilNumberInputGUI(
            $this->lng->txt('auth_oidc_settings_session_duration'),
            'session_duration'
        );
        $session->setValue($this->settings->getSessionDuration());
        $session->setSuffix($this->lng->txt('minutes'));
        $session->setMinValue(5);
        $session->setMaxValue(1440);
        $session->setRequired(true);
        $use_custom_session->addSubItem($session);
 
        if ($this->checkAccessBool('write')) {
            // save button
            $form->addCommandButton('saveSettings', $this->lng->txt('save'));
        }
 
 
        // User sync settings --------------------------------------------------------------
        $user_sync = new ilFormSectionHeaderGUI();
        $user_sync->setTitle($this->lng->txt('auth_oidc_settings_section_user_sync'));
        $form->addItem($user_sync);
 
        $sync = new ilCheckboxInputGUI(
            $this->lng->txt('auth_oidc_settings_user_sync'),
            'sync'
        );
        $sync->setChecked($this->settings->isSyncAllowed());
        $sync->setInfo($this->lng->txt('auth_oidc_settings_user_sync_info'));
        $sync->setValue(1);
        $form->addItem($sync);
 
        $roles = new ilSelectInputGUI(
            $this->lng->txt('auth_oidc_settings_default_role'),
            'role'
        );
        $roles->setValue($this->settings->getRole());
        $roles->setInfo($this->lng->txt('auth_oidc_settings_default_role_info'));
        $roles->setOptions($this->prepareRoleSelection());
        $roles->setRequired(true);
        $sync->addSubItem($roles);
 
        $user_attr = new ilTextInputGUI(
            $this->lng->txt('auth_oidc_settings_user_attr'),
            'username'
        );
        $user_attr->setValue($this->settings->getUidField());
        $user_attr->setRequired(true);
        $form->addItem($user_attr);
 
        return $form;
    }
 
    protected function saveSettings()
    {
        $this->checkAccess('write');
 
        $form = $this->initSettingsForm();
        if (!$form->checkInput()) {
            ilUtil::sendFailure(
                $this->lng->txt('err_check_input')
            );
            $form->setValuesByPost();
            $this->settings($form);
            return;
        }
 
        $this->settings->setActive((bool) $form->getInput('activation'));
        $this->settings->setProvider((string) $form->getInput('provider'));
        $this->settings->setClientId((string) $form->getInput('client_id'));
        if (strlen($form->getInput('secret')) && strcmp($form->getInput('secret'), '******') !== 0) {
            $this->settings->setSecret((string) $form->getInput('secret'));
        }
        $this->settings->setLoginElementType((int) $form->getInput('le'));
        $this->settings->setLoginElementText((string) $form->getInput('le_text'));
        $this->settings->setLoginPromptType((int) $form->getInput('login_prompt'));
        $this->settings->setLogoutScope((int) $form->getInput('logout_scope'));
        $this->settings->useCustomSession((bool) $form->getInput('custom_session'));
        $this->settings->setSessionDuration((int) $form->getInput('session_duration'));
        $this->settings->allowSync((bool) $form->getInput('sync'));
        $this->settings->setRole((int) $form->getInput('role'));
        $this->settings->setUidField((string) $form->getInput('username'));
 
        $fileData = (array) $form->getInput('le_img');
 
        if (strlen($fileData['tmp_name'])) {
            $this->saveImageFromHttpRequest();
        }
 
        $this->settings->save();
 
        ilUtil::sendSuccess($this->lng->txt('settings_saved'), true);
        $this->ctrl->redirect($this, 'settings');
    }
 
    protected function saveImageFromHttpRequest()
    {
        global $DIC;
 
        try {
            $upload = $DIC->upload();
            if (!$upload->hasBeenProcessed()) {
                $upload->process();
            }
            foreach ($upload->getResults() as $single_file_upload) {
                if ($single_file_upload->getStatus() == \ILIAS\FileUpload\DTO\ProcessingStatus::OK) {
                    $this->settings->deleteImageFile();
                    $upload->moveFilesTo(
                        ilOpenIdConnectSettings::FILE_STORAGE,
                        \ILIAS\FileUpload\Location::WEB
                    );
                    $this->settings->setLoginElementImage($single_file_upload->getName());
                }
            }
        } catch (\ILIAS\Filesystem\Exception\IllegalStateException $e) {
            $this->logger->warning('Upload failed with message: ' . $e->getMessage());
        }
    }
 
    protected function prepareRoleSelection($a_with_select_option = true) : array
    {
        $global_roles = ilUtil::_sortIds(
            $this->review->getGlobalRoles(),
            'object_data',
            'title',
            'obj_id'
        );
 
        $select = [];
        if ($a_with_select_option) {
            $select[0] = $this->lng->txt('links_select_one');
        }
        foreach ($global_roles as $role_id) {
            if ($role_id == ANONYMOUS_ROLE_ID) {
                continue;
            }
            $select[$role_id] = ilObject::_lookupTitle($role_id);
        }
        return $select;
    }
 
 
    protected function profile(ilPropertyFormGUI $form = null)
    {
        $this->checkAccess('read');
        $this->setSubTabs(self::STAB_PROFILE);
 
        if (!$form instanceof ilPropertyFormGUI) {
            $form = $this->initProfileForm();
        }
        $this->mainTemplate->setContent($form->getHTML());
    }
 
    protected function initProfileForm() : \ilPropertyFormGUI
    {
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt('auth_oidc_mapping_table'));
        $form->setFormAction($this->ctrl->getFormAction($this, 'saveProfile'));
 
        foreach ($this->settings->getProfileMappingFields() as $field => $lng_key) {
            $text_form = new ilTextInputGUI($this->lng->txt($lng_key));
            $text_form->setPostVar($field . "_value");
            $text_form->setValue($this->settings->getProfileMappingFieldValue($field));
            $form->addItem($text_form);
 
            $checkbox_form = new ilCheckboxInputGUI('');
            $checkbox_form->setValue(1);
            $checkbox_form->setPostVar($field . "_update");
            $checkbox_form->setChecked($this->settings->getProfileMappingFieldUpdate($field));
            $checkbox_form->setOptionTitle($this->lng->txt('auth_oidc_update_field_info'));
            $form->addItem($checkbox_form);
        }
 
        if ($this->checkAccessBool('write')) {
            $form->addCommandButton('saveProfile', $this->lng->txt('save'));
        }
        return $form;
    }
 
    protected function saveProfile()
    {
        $this->checkAccessBool('write');
 
        $form = $this->initProfileForm();
        if (!$form->checkInput()) {
            ilUtil::sendFailure($this->lng->txt('err_check_input'));
            $form->setValuesByPost();
            $this->profile($form);
            return false;
        }
 
        foreach ($this->settings->getProfileMappingFields() as $field => $lng_key) {
            $this->settings->setProfileMappingFieldValue(
                $field,
                $form->getInput($field . '_value')
            );
            $this->settings->setProfileMappingFieldUpdate(
                $field,
                $form->getInput($field . '_update')
            );
        }
        $this->settings->save();
        ilUtil::sendSuccess($this->lng->txt('settings_saved'), true);
        $this->ctrl->redirect($this, self::STAB_PROFILE);
    }
 
    protected function roles(\ilPropertyFormGUI $form = null)
    {
        $this->checkAccess('read');
        $this->setSubTabs(self::STAB_ROLES);
 
        if (!$form instanceof ilPropertyFormGUI) {
            $form = $this->initRolesForm();
        }
        $this->mainTemplate->setContent($form->getHTML());
    }
 
    protected function initRolesForm()
    {
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt('auth_oidc_role_mapping_table'));
        $form->setFormAction($this->ctrl->getFormAction($this, self::STAB_ROLES));
 
        foreach ($this->prepareRoleSelection(false) as $role_id => $role_title) {
            $role_map = new ilTextInputGUI(
                $role_title,
                'role_map_' . $role_id
            );
            $role_map->setInfo($this->lng->txt('auth_oidc_role_info'));
            $role_map->setValue($this->settings->getRoleMappingValueForId($role_id));
            $form->addItem($role_map);
 
            $update = new ilCheckboxInputGUI(
                '',
                'role_map_update_' . $role_id
            );
            $update->setOptionTitle($this->lng->txt('auth_oidc_update_role_info'));
            $update->setValue(1);
            $update->setChecked(!$this->settings->getRoleMappingUpdateForId($role_id));
            $form->addItem($update);
        }
 
        if ($this->checkAccessBool('write')) {
            $form->addCommandButton('saveRoles', $this->lng->txt('save'));
        }
        return $form;
    }
 
    protected function saveRoles()
    {
        $this->checkAccess('write');
        $form = $this->initRolesForm();
        if ($form->checkInput()) {
            $this->logger->dump($_POST, \ilLogLevel::DEBUG);
 
 
            $role_settings = [];
            $role_valid = true;
            foreach ($this->prepareRoleSelection(false) as $role_id => $role_title) {
                if (!strlen(trim($form->getInput('role_map_' . $role_id)))) {
                    continue;
                }
 
                $role_params = explode('::', $form->getInput('role_map_' . $role_id));
                $this->logger->dump($role_params, \ilLogLevel::DEBUG);
 
                if (count($role_params) !== 2) {
                    $form->getItemByPostVar('role_map_' . $role_id)->setAlert($this->lng->txt('msg_wrong_format'));
                    $role_valid = false;
                    continue;
                }
                $role_settings[$role_id]['update'] = (bool) !$form->getInput('role_map_update_' . $role_id);
                $role_settings[$role_id]['value'] = (string) $form->getInput('role_map_' . $role_id);
            }
 
            if (!$role_valid) {
                $form->setValuesByPost();
                \ilUtil::sendFailure($this->lng->txt('err_check_input'));
                $this->roles($form);
                return;
            }
 
            $this->settings->setRoleMappings($role_settings);
            $this->settings->save();
            ilUtil::sendSuccess($this->lng->txt('settings_saved'), true);
            $this->ctrl->redirect($this, 'roles');
        }
 
        $form->setValuesByPost();
        \ilUtil::sendFailure($this->lng->txt('err_check_input'));
        $this->roles($form);
    }
 
    protected function setSubTabs(string $active_tab)
    {
        $this->tabs->addSubTab(
            self::STAB_SETTINGS,
            $this->lng->txt('auth_oidc_' . self::STAB_SETTINGS),
            $this->ctrl->getLinkTarget($this, self::STAB_SETTINGS)
        );
        $this->tabs->addSubTab(
            self::STAB_PROFILE,
            $this->lng->txt('auth_oidc_' . self::STAB_PROFILE),
            $this->ctrl->getLinkTarget($this, self::STAB_PROFILE)
        );
        $this->tabs->addSubTab(
            self::STAB_ROLES,
            $this->lng->txt('auth_oidc_' . self::STAB_ROLES),
            $this->ctrl->getLinkTarget($this, self::STAB_ROLES)
        );
 
        $this->tabs->activateSubTab($active_tab);
    }
}