Windshaft-cartodb/lib/cartodb/middleware/credentials.js
2018-03-15 19:38:11 +01:00

86 lines
1.9 KiB
JavaScript

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