all files / src/privileges/ users.js

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'use strict';
 
var async = require('async');
 
var groups = require('../groups');
var plugins = require('../plugins');
 
module.exports = function(privileges) {
 
	privileges.users = {};
 
	privileges.users.isAdministrator = function(uid, callback) {
		if (Array.isArray(uid)) {
			groups.isMembers(uid, 'administrators', callback);
		} else {
			groups.isMember(uid, 'administrators', callback);
		}
	};
 
	privileges.users.isGlobalModerator = function(uid, callback) {
		if (Array.isArray(uid)) {
			groups.isMembers(uid, 'Global Moderators', callback);
		} else {
			groups.isMember(uid, 'Global Moderators', callback);
		}
	};
 
	privileges.users.isModerator = function(uid, cid, callback) {
		if (Array.isArray(cid)) {
			isModeratorOfCategories(cid, uid, callback);
		} else {
			if (Array.isArray(uid)) {
				isModeratorsOfCategory(cid, uid, callback);
			} else {
				isModeratorOfCategory(cid, uid, callback);
			}
		}
	};
 
	function isModeratorOfCategories(cids, uid, callback) {
		Iif (!parseInt(uid, 10)) {
			return filterIsModerator(cids, uid, cids.map(function() {return false;}), callback);
		}
 
		privileges.users.isGlobalModerator(uid, function(err, isGlobalModerator) {
			Iif (err) {
				return callback(err);
			}
			Iif (isGlobalModerator) {
				return filterIsModerator(cids, uid, cids.map(function() {return true;}), callback);
			}
 
 
			var uniqueCids = cids.filter(function(cid, index, array) {
				return array.indexOf(cid) === index;
			});
 
			var groupNames = uniqueCids.map(function(cid) {
				return 'cid:' + cid + ':privileges:mods';	// At some point we should *probably* change this to "moderate" as well
			});
 
			var groupListNames = uniqueCids.map(function(cid) {
				return 'cid:' + cid + ':privileges:groups:moderate';
			});
 
			async.parallel({
				user: async.apply(groups.isMemberOfGroups, uid, groupNames),
				group: async.apply(groups.isMemberOfGroupsList, uid, groupListNames)
			}, function(err, checks) {
				Iif (err) {
					return callback(err);
				}
 
				var isMembers = checks.user.map(function(isMember, idx) {
						return isMember || checks.group[idx];
					}),
					map = {};
 
				uniqueCids.forEach(function(cid, index) {
					map[cid] = isMembers[index];
				});
 
				var isModerator = cids.map(function(cid) {
					return map[cid];
				});
 
				filterIsModerator(cids, uid, isModerator, callback);
			});
		});
	}
 
	function isModeratorsOfCategory(cid, uids, callback) {
		async.parallel([
			async.apply(privileges.users.isGlobalModerator, uids),
			async.apply(groups.isMembers, uids, 'cid:' + cid + ':privileges:mods'),
			async.apply(groups.isMembersOfGroupList, uids, 'cid:' + cid + ':privileges:groups:moderate')
		], function(err, checks) {
			Iif (err) {
				return callback(err);
			}
 
			var isModerator = checks[0].map(function(isMember, idx) {
				return isMember || checks[1][idx] || checks[2][idx];
			});
 
			filterIsModerator(cid, uids, isModerator, callback);
		});
	}
 
	function isModeratorOfCategory(cid, uid, callback) {
		async.parallel([
			async.apply(privileges.users.isGlobalModerator, uid),
			async.apply(groups.isMember, uid, 'cid:' + cid + ':privileges:mods'),
			async.apply(groups.isMemberOfGroupList, uid, 'cid:' + cid + ':privileges:groups:moderate')
		], function(err, checks) {
			Iif (err) {
				return callback(err);
			}
 
			var isModerator = checks[0] || checks[1] || checks[2];
			filterIsModerator(cid, uid, isModerator, callback);
		});
	}
 
	function filterIsModerator(cid, uid, isModerator, callback) {
		plugins.fireHook('filter:user.isModerator', {uid: uid, cid: cid, isModerator: isModerator}, function(err, data) {
			Iif (err) {
				return callback(err);
			}
			Iif (Array.isArray(uid) && !Array.isArray(data.isModerator) || Array.isArray(cid) && !Array.isArray(data.isModerator)) {
				return callback(new Error('filter:user.isModerator - i/o mismatch'));
			}
 
			callback(null, data.isModerator);
		});
	}
 
};