mirror of
https://github.com/ether/etherpad-lite.git
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72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
/**
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* The ReadOnlyManager manages the database and rendering releated to read only pads
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*/
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/*
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* 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const db = require('./DB');
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const randomString = require('../utils/randomstring');
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/**
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* checks if the id pattern matches a read-only pad id
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* @param {String} the pad's id
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*/
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exports.isReadOnlyId = function (id) {
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return id.indexOf('r.') === 0;
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};
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/**
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* returns a read only id for a pad
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* @param {String} padId the id of the pad
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*/
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exports.getReadOnlyId = async function (padId) {
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// check if there is a pad2readonly entry
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let readOnlyId = await db.get(`pad2readonly:${padId}`);
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// there is no readOnly Entry in the database, let's create one
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if (readOnlyId == null) {
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readOnlyId = `r.${randomString(16)}`;
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db.set(`pad2readonly:${padId}`, readOnlyId);
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db.set(`readonly2pad:${readOnlyId}`, padId);
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}
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return readOnlyId;
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};
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/**
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* returns the padId for a read only id
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* @param {String} readOnlyId read only id
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*/
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exports.getPadId = function (readOnlyId) {
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return db.get(`readonly2pad:${readOnlyId}`);
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};
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/**
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* returns the padId and readonlyPadId in an object for any id
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* @param {String} padIdOrReadonlyPadId read only id or real pad id
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*/
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exports.getIds = async function (id) {
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const readonly = (id.indexOf('r.') === 0);
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// Might be null, if this is an unknown read-only id
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const readOnlyPadId = readonly ? id : await exports.getReadOnlyId(id);
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const padId = readonly ? await exports.getPadId(id) : id;
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return {readOnlyPadId, padId, readonly};
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};
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