88 lines
1.9 KiB
JavaScript
88 lines
1.9 KiB
JavaScript
'use strict';
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const basicAuth = require('basic-auth');
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module.exports = function credentials () {
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return function credentialsMiddleware (req, res, next) {
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const apikeyCredentials = getApikeyCredentialsFromRequest(req);
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res.locals.api_key = apikeyCredentials.token;
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res.locals.basicAuthUsername = apikeyCredentials.username;
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res.set('vary', 'Authorization'); // Honor Authorization header when caching.
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return next();
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};
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};
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function getApikeyCredentialsFromRequest (req) {
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let apikeyCredentials = {
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token: null,
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username: null
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};
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for (const getter of apikeyGetters) {
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apikeyCredentials = getter(req);
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if (apikeyTokenFound(apikeyCredentials)) {
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break;
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}
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}
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return apikeyCredentials;
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}
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const apikeyGetters = [
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getApikeyTokenFromHeaderAuthorization,
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getApikeyTokenFromRequestQueryString,
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getApikeyTokenFromRequestBody
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];
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function getApikeyTokenFromHeaderAuthorization (req) {
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const credentials = basicAuth(req);
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if (credentials) {
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return {
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username: credentials.username,
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token: credentials.pass
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};
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} else {
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return {
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username: null,
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token: null
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};
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}
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}
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function getApikeyTokenFromRequestQueryString (req) {
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let token = null;
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if (req.query && req.query.api_key) {
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token = req.query.api_key;
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} else if (req.query && req.query.map_key) {
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token = req.query.map_key;
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}
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return {
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username: null,
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token: token
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};
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}
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function getApikeyTokenFromRequestBody (req) {
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let token = null;
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if (req.body && req.body.api_key) {
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token = req.body.api_key;
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} else if (req.body && req.body.map_key) {
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token = req.body.map_key;
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}
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return {
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username: null,
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token: token
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};
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}
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function apikeyTokenFound (apikey) {
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return !!apikey && !!apikey.token;
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}
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