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node-red/red/api/auth/permissions.js
Nick O'Leary f967a5ecdc Fix auth on comms link and for anon user
The move to honour scope level of token broke the comms link
checking as well as the permissions checking for anon users.
2015-03-29 22:27:07 +01:00

59 lines
1.5 KiB
JavaScript

/**
* Copyright 2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var util = require('util');
var readRE = /^((.+)\.)?read$/
var writeRE = /^((.+)\.)?write$/
function hasPermission(userScope,permission) {
var i;
if (util.isArray(userScope)) {
if (userScope.length === 0) {
return false;
}
for (i=0;i<userScope.length;i++) {
if (!hasPermission(userScope[i],permission)) {
return false;
}
}
return true;
}
if (userScope == "*") {
return true;
}
if (util.isArray(permission)) {
for (i=0;i<permission.length;i++) {
if (!hasPermission(userScope,permission[i])) {
return false;
}
}
return true;
}
if (userScope == "read") {
return readRE.test(permission);
} else {
return false; // anything not allowed is disallowed
}
}
module.exports = {
hasPermission: hasPermission,
}