74 lines
3.3 KiB
JavaScript
74 lines
3.3 KiB
JavaScript
/*
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* Copyright (C) 2014 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/**
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* A service for checking if a specific permission exists
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* in a given list of permissions.
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*/
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angular.module('permission').factory('permissionCheckService', [
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function permissionCheckService() {
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var service = {};
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/**
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* A service for checking if the given permission list contains the given
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* permission, defined by the objectType, objectID, and permissionType.
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* If the objectType or objectID are not passed, they will not be checked.
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*
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* For example, checkPermission(list, "CONNECTION", undefined, "READ") would
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* check if the permission list contains permission to read any connection.
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*
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* @param {array} permissions The array of permissions to check.
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* @param {string} objectType The object type for the permission.
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* If not passed, this will not be checked.
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* @param {string} objectID The ID of the object the permission is for.
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* If not passed, this will not be checked.
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* @param {string} permissionType The actual permission type to check for.
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* @returns {boolean} True if the given permissions contain the requested permission, false otherwise.
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*/
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service.checkPermission = function checkPermission(permissions, objectType, objectID, permissionType) {
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// Loop through all the permissions and check if any of them match the given parameters
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for(var i = 0; i < permissions.length; i++) {
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var permission = permissions[i];
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if(objectType === "SYSTEM") {
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// System permissions have no object ID, we only need to check the type.
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if(permission.permissionType === permissionType)
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return true;
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}
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else {
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// Object permissions need to match the object ID and type if given.
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if(permission.permissionType === permissionType &&
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(!objectType || permission.objectType === objectType) &&
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(!objectID || permission.objectID === objectID))
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return true;
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}
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}
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// Didn't find any that matched
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return false;
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}
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return service;
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}]);
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