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var express = require('express');
var log4js = require('log4js');
var httpLogger = log4js.getLogger("http");
var settings = require('../../utils/Settings');
//checks for basic http auth
exports.basicAuth = function (req, res, next) {
// When handling HTTP-Auth, an undefined password will lead to no authorization at all
var pass = settings.httpAuth || '';
if (req.path.indexOf('/admin') == 0) {
var pass = settings.adminHttpAuth;
}
// Just pass if password is an empty string
if (pass === '') {
return next();
}
// If a password has been set and auth headers are present...
if (pass && req.headers.authorization && req.headers.authorization.search('Basic ') === 0) {
// ...check login and password
if (new Buffer(req.headers.authorization.split(' ')[1], 'base64').toString() === pass) {
return next();
}
}
// Otherwise return Auth required Headers, delayed for 1 second, if auth failed.
res.header('WWW-Authenticate', 'Basic realm="Protected Area"');
if (req.headers.authorization) {
setTimeout(function () {
res.send('Authentication required', 401);
}, 1000);
} else {
res.send('Authentication required', 401);
}
}
exports.expressConfigure = function (hook_name, args, cb) {
args.app.use(exports.basicAuth);
// If the log level specified in the config file is WARN or ERROR the application server never starts listening to requests as reported in issue #158.
// Not installing the log4js connect logger when the log level has a higher severity than INFO since it would not log at that level anyway.
if (!(settings.loglevel === "WARN" || settings.loglevel == "ERROR"))
args.app.use(log4js.connectLogger(httpLogger, { level: log4js.levels.INFO, format: ':status, :method :url'}));
args.app.use(express.cookieParser());
}
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