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node-red/red/api/auth/tokens/index.js

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/**
* 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 when = require("when");
var Sessions;
function generateToken(length) {
var c = "ABCDEFGHIJKLMNOPQRSTUZWXYZabcdefghijklmnopqrstuvwxyz1234567890";
var token = [];
for (var i=0;i<length;i++) {
token.push(c[Math.floor(Math.random()*c.length)]);
}
return token.join("");
}
var sessionModule;
function moduleSelector(aSettings) {
var toReturn;
if (aSettings.sessionStorageModule) {
if (typeof aSettings.sessionStorageModule === "string") {
// TODO: allow storage modules to be specified by absolute path
toReturn = require("./"+aSettings.sessionStorageModule);
} else {
toReturn = aSettings.sessionStorageModule;
}
} else {
toReturn = require("./localfilesystem");
}
return toReturn;
}
module.exports = {
init: function(settings) {
sessionModule = moduleSelector(settings);
sessionModule.init(settings);
},
get: function(token) {
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return sessionModule.get(token);
},
create: function(user,client,scope) {
var accessToken = generateToken(128);
var session = {
user:user,
client:client,
scope:scope,
accessToken: accessToken,
};
return sessionModule.create(accessToken,session).then(function() {
return {
accessToken: accessToken,
}
});
},
revoke: function(token) {
return sessionModule.delete(token);
}
}