/**
* @license Apache-2.0
* Copyright (C) 2016 The Sitecheck Project
*
* 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.
*/
"use strict";
/**
* Generates a random alphanumerical string
*/
exports.token = function() {
var rand = function () {
return Math.random().toString(36).substr(2); // remove `0.`
};
var token = function () {
return rand() + rand(); // to make it longer
};
return token();
};
/**
* Returns caller function triplet { name, fileName, line}
*/
exports.getCaller = function () {
var stack = exports.getStack();
let s = stack[1];
let funcName = s.getFunctionName() || 'anonymous';
let fileName = s.getFileName();
let dirName = __dirname;
// get relative path
let index = 0;
while (fileName[index] === dirName[index]) {
index++;
}
fileName = fileName.substring(index);
let line = s.getLineNumber();
return { name: funcName, fileName: fileName, line: line };
};
/**
* Returns current stack
*/
exports.getStack = function () {
// Save original Error.prepareStackTrace
var origPrepareStackTrace = Error.prepareStackTrace;
// Override with function that just returns `stack`
Error.prepareStackTrace = function (_, stack) {
return stack;
};
// Create a new `Error`, which automatically gets `stack`
var err = new Error();
// Evaluate `err.stack`, which calls our new `Error.prepareStackTrace`
var stack = err.stack;
// Restore original `Error.prepareStackTrace`
Error.prepareStackTrace = origPrepareStackTrace;
// Remove superfluous function call on stack
stack.shift(); // getStack --> Error
return stack;
};
/**
* Gets an array of cookies from a request
* The function is not currently used but is working
*/
/*exports.parseCookies = function (request) {
var list = {},
rc = request.headers.cookie;
rc && rc.split(';').forEach(function (cookie) {
var parts = cookie.split('=');
list[parts.shift().trim()] = decodeURI(parts.join('='));
});// jshint ignore:line
return list;
};*/ |