606 lines
17 KiB
JavaScript
606 lines
17 KiB
JavaScript
/**
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* Copyright (c) 2015, Arthur Schiwon <blizzz@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or later.
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* See the COPYING-README file.
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*/
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OCA = OCA || {};
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(function() {
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/**
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* @classdesc this class represents a server configuration. It communicates
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* with the Nextcloud server to ensure to always have the up to date LDAP
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* configuration. It sends various events that views can listen to and
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* provides methods so they can modify the configuration based upon user
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* input. This model is also extended by so-called "detectors" who let the
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* Nextcloud server try to auto-detect settings and manipulate the
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* configuration as well.
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*
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* @constructor
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*/
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var ConfigModel = function() {};
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ConfigModel.prototype = {
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/** @constant {number} */
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FILTER_MODE_ASSISTED: 0,
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/** @constant {number} */
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FILTER_MODE_RAW: 1,
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/**
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* initializes the instance. Always call it after creating the instance.
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*
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* @param {OCA.LDAP.Wizard.WizardDetectorQueue} detectorQueue
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*/
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init: function (detectorQueue) {
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/** @type {object} holds the configuration in key-value-pairs */
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this.configuration = {};
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/** @type {object} holds the subscribers that listen to the events */
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this.subscribers = {};
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/** @type {Array} holds registered detectors */
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this.detectors = [];
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/** @type {boolean} whether a configuration is currently loading */
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this.loadingConfig = false;
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if(detectorQueue instanceof OCA.LDAP.Wizard.WizardDetectorQueue) {
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/** @type {OCA.LDAP.Wizard.WizardDetectorQueue} */
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this.detectorQueue = detectorQueue;
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}
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},
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/**
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* loads a specified configuration
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*
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* @param {string} [configID] - the configuration id (or prefix)
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*/
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load: function (configID) {
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if(this.loadingConfig) {
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return;
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}
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this._resetDetectorQueue();
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this.configID = configID;
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var url = OC.generateUrl('apps/user_ldap/ajax/getConfiguration.php');
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var params = OC.buildQueryString({ldap_serverconfig_chooser: configID});
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this.loadingConfig = true;
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var model = this;
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$.post(url, params, function (result) { model._processLoadConfig(model, result) });
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},
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/**
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* creates a new LDAP configuration
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*
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* @param {boolean} [copyCurrent] - if true, the current configuration
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* is copied, otherwise a blank one is created.
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*/
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newConfig: function(copyCurrent) {
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this._resetDetectorQueue();
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var url = OC.generateUrl('apps/user_ldap/ajax/getNewServerConfigPrefix.php');
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var params = {};
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if(copyCurrent === true) {
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params['copyConfig'] = this.configID;
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}
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params = OC.buildQueryString(params);
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var model = this;
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copyCurrent = _.isUndefined(copyCurrent) ? false : copyCurrent;
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$.post(url, params, function (result) { model._processNewConfigPrefix(model, result, copyCurrent) });
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},
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/**
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* deletes the current configuration. This method will not ask for
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* confirmation, if desired it needs to be ensured by the caller.
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*
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* @param {string} [configID] - the configuration id (or prefix)
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*/
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deleteConfig: function(configID) {
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var url = OC.generateUrl('apps/user_ldap/ajax/deleteConfiguration.php');
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var params = OC.buildQueryString({ldap_serverconfig_chooser: configID});
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var model = this;
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$.post(url, params, function (result) { model._processDeleteConfig(model, result, configID) });
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},
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/**
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* @callback wizardCallBack
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* @param {ConfigModel} [model]
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* @param {OCA.LDAP.Wizard.WizardDetectorGeneric} [detector]
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* @param {object} [result] - response from the ajax request
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*/
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/**
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* calls an AJAX endpoint at Nextcloud. This method should be called by
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* detectors only!
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*
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* @param {string} [params] - as return by OC.buildQueryString
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* @param {wizardCallBack} [callback]
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* @param {OCA.LDAP.Wizard.WizardDetectorGeneric} [detector]
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* @returns {jqXHR}
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*/
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callWizard: function(params, callback, detector) {
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return this.callAjax('wizard.php', params, callback, detector);
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},
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/**
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* calls an AJAX endpoint at Nextcloud. This method should be called by
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* detectors only!
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*
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* @param {string} destination - the desired end point
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* @param {string} [params] - as return by OC.buildQueryString
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* @param {wizardCallBack} [callback]
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* @param {OCA.LDAP.Wizard.WizardDetectorGeneric} [detector]
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* @returns {jqXHR}
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*/
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callAjax: function(destination, params, callback, detector) {
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var url = OC.generateUrl('apps/user_ldap/ajax/' + destination);
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var model = this;
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return $.post(url, params, function (result) {
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callback(model, detector,result);
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});
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},
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/**
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* setRequested Event
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*
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* @event ConfigModel#setRequested
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* @type{object} - empty
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*/
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/**
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* modifies a configuration key. If a provided configuration key does
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* not exist or the provided value equals the current setting, false is
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* returned. Otherwise Nextcloud server will be called to save the new
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* value, an event will notify when this is done. True is returned when
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* the request is sent, however it does not mean whether saving was
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* successful or not.
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*
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* This method is supposed to be called by views, after the user did a
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* change which needs to be saved.
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*
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* @param {string} [key]
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* @param {string|number} [value]
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* @returns {boolean}
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* @fires {ConfigModel#setRequested}
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*/
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set: function(key, value) {
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if(_.isUndefined(this.configuration[key])) {
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console.warn('will not save undefined key: ' + key);
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return false;
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}
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if(this.configuration[key] === value) {
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return false;
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}
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this._broadcast('setRequested', {});
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var url = OC.generateUrl('apps/user_ldap/ajax/wizard.php');
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var objParams = {
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ldap_serverconfig_chooser: this.configID,
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action: 'save',
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cfgkey: key,
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cfgval: value
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};
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var strParams = OC.buildQueryString(objParams);
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var model = this;
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$.post(url, strParams, function(result) { model._processSetResult(model, result, objParams) });
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return true;
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},
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/**
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* configUpdated Event
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*
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* object property is a key-value-pair of the configuration key as index
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* and its value.
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*
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* @event ConfigModel#configUpdated
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* @type{object}
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*/
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/**
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* updates the model's configuration data. This should be called only,
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* when a new configuration value was received from the Nextcloud server.
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* This is typically done by detectors, but never by views.
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*
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* Cancels with false if old and new values already match.
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*
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* @param {string} [key]
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* @param {string} [value]
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* @returns {boolean}
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* @fires ConfigModel#configUpdated
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*/
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update: function(key, value) {
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if(this.configuration[key] === value) {
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return false;
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}
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if(!_.isUndefined(this.configuration[key])) {
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// don't write e.g. count values to the configuration
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// they don't go as feature, yet
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this.configuration[key] = value;
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}
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var configPart = {};
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configPart[key] = value;
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this._broadcast('configUpdated', configPart);
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},
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/**
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* @typedef {object} FeaturePayload
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* @property {string} feature
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* @property {Array} data
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*/
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/**
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* informs about a detected LDAP "feature" (wider sense). For examples,
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* the detected object classes for users or groups
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*
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* @param {FeaturePayload} payload
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*/
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inform: function(payload) {
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this._broadcast('receivedLdapFeature', payload);
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},
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/**
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* @typedef {object} ErrorPayload
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* @property {string} message
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* @property {string} relatedKey
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*/
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/**
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* broadcasts an error message, if a wizard reply ended up in an error.
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* To be called by detectors.
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*
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* @param {ErrorPayload} payload
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*/
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gotServerError: function(payload) {
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this._broadcast('serverError', payload);
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},
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/**
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* detectionStarted Event
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*
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* @event ConfigModel#detectionStarted
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* @type{string} - the target configuration key that is being
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* auto-detected
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*/
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/**
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* lets the model broadcast the info that a detector starts to run
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*
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* supposed to be called by detectors only
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*
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* @param {string} [key]
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* @fires ConfigModel#detectionStarted
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*/
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notifyAboutDetectionStart: function(key) {
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this._broadcast('detectionStarted', key);
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},
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/**
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* detectionCompleted Event
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*
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* @event ConfigModel#detectionCompleted
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* @type{string} - the target configuration key that was
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* auto-detected
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*/
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/**
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* lets the model broadcast the info that a detector run was completed
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*
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* supposed to be called by detectors only
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*
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* @param {string} [key]
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* @fires ConfigModel#detectionCompleted
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*/
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notifyAboutDetectionCompletion: function(key) {
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this._broadcast('detectionCompleted', key);
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},
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/**
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* @callback listenerCallback
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* @param {OCA.LDAP.Wizard.WizardTabGeneric|OCA.LDAP.Wizard.WizardView} [view]
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* @param {object} [params]
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*/
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/**
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* registers a listener to an event
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*
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* the idea is that only views listen.
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*
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* @param {string} [name] - the event name
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* @param {listenerCallback} [fn]
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* @param {OCA.LDAP.Wizard.WizardTabGeneric|OCA.LDAP.Wizard.WizardView} [context]
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*/
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on: function(name, fn, context) {
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if(_.isUndefined(this.subscribers[name])) {
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this.subscribers[name] = [];
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}
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this.subscribers[name].push({fn: fn, context: context});
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},
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/**
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* starts a configuration test on the Nextcloud server
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*/
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requestConfigurationTest: function() {
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var url = OC.generateUrl('apps/user_ldap/ajax/testConfiguration.php');
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var params = OC.buildQueryString({ldap_serverconfig_chooser: this.configID});
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var model = this;
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$.post(url, params, function(result) { model._processTestResult(model, result) });
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//TODO: make sure only one test is running at a time
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},
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/**
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* the view may request a call to the wizard, for instance to fetch
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* object classes or groups
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*
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* @param {string} featureKey
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* @param {Object} [additionalParams]
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*/
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requestWizard: function(featureKey, additionalParams) {
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var model = this;
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var detectorCount = this.detectors.length;
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var found = false;
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for(var i = 0; i < detectorCount; i++) {
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if(this.detectors[i].runsOnFeatureRequest(featureKey)) {
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found = true;
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(function (detector) {
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model.detectorQueue.add(function() {
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return detector.run(model, model.configID, additionalParams);
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});
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})(model.detectors[i]);
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}
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}
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if(!found) {
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console.warn('No detector found for feature ' + featureKey);
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}
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},
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/**
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* resets the detector queue
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*
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* @private
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*/
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_resetDetectorQueue: function() {
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if(!_.isUndefined(this.detectorQueue)) {
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this.detectorQueue.reset();
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}
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},
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/**
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* detectors can be registered herewith
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*
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* @param {OCA.LDAP.Wizard.WizardDetectorGeneric} [detector]
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*/
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registerDetector: function(detector) {
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if(detector instanceof OCA.LDAP.Wizard.WizardDetectorGeneric) {
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this.detectors.push(detector);
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}
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},
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/**
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* emits an event
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*
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* @param {string} [name] - the event name
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* @param {*} [params]
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* @private
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*/
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_broadcast: function(name, params) {
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if(_.isUndefined(this.subscribers[name])) {
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return;
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}
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var subscribers = this.subscribers[name];
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var subscriberCount = subscribers.length;
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for(var i = 0; i < subscriberCount; i++) {
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if(_.isUndefined(subscribers[i]['fn'])) {
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console.warn('callback method is not defined. Event ' + name);
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continue;
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}
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subscribers[i]['fn'](subscribers[i]['context'], params);
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}
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},
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/**
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* ConfigModel#configLoaded Event
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*
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* @event ConfigModel#configLoaded
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* @type {object} - LDAP configuration as key-value-pairs
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*/
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/**
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* @typedef {object} ConfigLoadResponse
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* @property {string} [status]
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* @property {object} [configuration] - only present if status equals 'success'
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*/
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/**
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* processes the ajax response of a configuration load request
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*
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* @param {ConfigModel} [model]
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* @param {ConfigLoadResponse} [result]
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* @fires ConfigModel#configLoaded
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* @private
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*/
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_processLoadConfig: function(model, result) {
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model.configuration = {};
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if(result['status'] === 'success') {
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$.each(result['configuration'], function(key, value) {
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model.configuration[key] = value;
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});
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}
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model.loadingConfig = false;
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model._broadcast('configLoaded', model.configuration);
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},
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/**
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* @typedef {object} ConfigSetPayload
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* @property {boolean} [isSuccess]
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* @property {string} [key]
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* @property {string} [value]
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* @property {string} [errorMessage]
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*/
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/**
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* ConfigModel#setCompleted Event
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*
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* @event ConfigModel#setCompleted
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* @type {ConfigSetPayload}
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*/
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/**
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* @typedef {object} ConfigSetResponse
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* @property {string} [status]
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* @property {object} [message] - might be present only in error cases
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*/
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/**
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* processes the ajax response of a configuration key set request
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*
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* @param {ConfigModel} [model]
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* @param {ConfigSetResponse} [result]
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* @param {object} [params] - the original changeSet
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* @fires ConfigModel#configLoaded
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* @private
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*/
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_processSetResult: function(model, result, params) {
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var isSuccess = (result['status'] === 'success');
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if(isSuccess) {
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model.configuration[params.cfgkey] = params.cfgval;
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}
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var payload = {
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isSuccess: isSuccess,
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key: params.cfgkey,
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value: model.configuration[params.cfgkey],
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errorMessage: _.isUndefined(result['message']) ? '' : result['message']
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};
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model._broadcast('setCompleted', payload);
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// let detectors run
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// NOTE: detector's changes will not result in new _processSetResult
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// calls, … in case they interfere it is because of this ;)
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if(_.isUndefined(model.detectorQueue)) {
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console.warn("DetectorQueue was not set, detectors will not be fired");
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return;
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}
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var detectorCount = model.detectors.length;
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for(var i = 0; i < detectorCount; i++) {
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if(model.detectors[i].triggersOn(params.cfgkey)) {
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(function (detector) {
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model.detectorQueue.add(function() {
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return detector.run(model, model.configID);
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});
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})(model.detectors[i]);
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}
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}
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},
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/**
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* @typedef {object} ConfigTestPayload
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* @property {boolean} [isSuccess]
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*/
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/**
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* ConfigModel#configurationTested Event
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*
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* @event ConfigModel#configurationTested
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* @type {ConfigTestPayload}
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*/
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/**
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* @typedef {object} StatusResponse
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* @property {string} [status]
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*/
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/**
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* processes the ajax response of a configuration test request
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*
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* @param {ConfigModel} [model]
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* @param {StatusResponse} [result]
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* @fires ConfigModel#configurationTested
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* @private
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*/
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_processTestResult: function(model, result) {
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var payload = {
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isSuccess: (result['status'] === 'success')
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};
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model._broadcast('configurationTested', payload);
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},
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/**
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* @typedef {object} BasicConfigPayload
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* @property {boolean} [isSuccess]
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* @property {string} [configPrefix] - the new config ID
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* @property {string} [errorMessage]
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*/
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/**
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* ConfigModel#newConfiguration Event
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*
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* @event ConfigModel#newConfiguration
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* @type {BasicConfigPayload}
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*/
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/**
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* @typedef {object} NewConfigResponse
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* @property {string} [status]
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* @property {string} [configPrefix]
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* @property {object} [defaults] - default configuration values
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* @property {string} [message] - might only appear with status being
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* not 'success'
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*/
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/**
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* processes the ajax response of a new configuration request
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*
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* @param {ConfigModel} [model]
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* @param {NewConfigResponse} [result]
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* @param {boolean} [copyCurrent]
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* @fires ConfigModel#newConfiguration
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* @fires ConfigModel#configLoaded
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* @private
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*/
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_processNewConfigPrefix: function(model, result, copyCurrent) {
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var isSuccess = (result['status'] === 'success');
|
|
var payload = {
|
|
isSuccess: isSuccess,
|
|
configPrefix: result['configPrefix'],
|
|
errorMessage: _.isUndefined(result['message']) ? '' : result['message']
|
|
};
|
|
model._broadcast('newConfiguration', payload);
|
|
|
|
if(isSuccess) {
|
|
this.configID = result['configPrefix'];
|
|
if(!copyCurrent) {
|
|
model.configuration = {};
|
|
$.each(result['defaults'], function(key, value) {
|
|
model.configuration[key] = value;
|
|
});
|
|
// view / tabs need to update with new blank config
|
|
model._broadcast('configLoaded', model.configuration);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* ConfigModel#deleteConfiguration Event
|
|
*
|
|
* @event ConfigModel#deleteConfiguration
|
|
* @type {BasicConfigPayload}
|
|
*/
|
|
|
|
/**
|
|
* processes the ajax response of a delete configuration request
|
|
*
|
|
* @param {ConfigModel} [model]
|
|
* @param {StatusResponse} [result]
|
|
* @param {string} [configID]
|
|
* @fires ConfigModel#deleteConfiguration
|
|
* @private
|
|
*/
|
|
_processDeleteConfig: function(model, result, configID) {
|
|
var isSuccess = (result['status'] === 'success');
|
|
var payload = {
|
|
isSuccess: isSuccess,
|
|
configPrefix: configID,
|
|
errorMessage: _.isUndefined(result['message']) ? '' : result['message']
|
|
};
|
|
model._broadcast('deleteConfiguration', payload);
|
|
}
|
|
};
|
|
|
|
OCA.LDAP.Wizard.ConfigModel = ConfigModel;
|
|
})();
|