+ path = require('path'),
+ safe = require('safetydance'),
+ fs = require('fs'),
+ bcrypt = require('bcryptjs'),
+ uuid = require('uuid/v4'),
+ BearerStrategy = require('passport-http-bearer').Strategy,
+ LdapStrategy = require('passport-ldapjs').Strategy,
+ HttpError = require('connect-lastmile').HttpError,
+ HttpSuccess = require('connect-lastmile').HttpSuccess;
+
+const LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json');
+const TOKENSTORE_FILE = path.resolve(process.env.TOKENSTORE_FILE || './.tokens.json');
+
+var tokenStore = {
+ data: {},
+ save: function () {
+ try {
+ fs.writeFileSync(TOKENSTORE_FILE, JSON.stringify(tokenStore.data), 'utf-8');
+ } catch (e) {
+ console.error(`Unable to save tokenstore file at ${TOKENSTORE_FILE}`, e);
+ }
+ },
+ get: function (token, callback) {
+ callback(tokenStore.data[token] ? null : 'not found', tokenStore.data[token]);
+ },
+ set: function (token, data, callback) {
+ tokenStore.data[token] = data;
+ tokenStore.save();
+ callback(null);
+ },
+ del: function (token, callback) {
+ delete tokenStore.data[token];
+ tokenStore.save();
+ callback(null);
+ }
+};
+
+// load token store data if any
+try {
+ console.log(`Using tokenstore file: ${TOKENSTORE_FILE}`);
+ tokenStore.data = JSON.parse(fs.readFileSync(TOKENSTORE_FILE, 'utf-8'));
+} catch (e) {
+ // start with empty token store
+}
+
+function issueAccessToken() {
+ return function (req, res, next) {
+ var accessToken = uuid();
+
+ tokenStore.set(accessToken, req.user, function (error) {
+ if (error) return next(new HttpError(500, error));
+ next(new HttpSuccess(201, { accessToken: accessToken, user: req.user }));
+ });
+ };
+}