CartoDB-SQL-API/app/auth/apikey.js
2018-06-06 15:23:53 +02:00

73 lines
2.1 KiB
JavaScript

/**
* this module allows to auth user using an pregenerated api key
*/
function ApikeyAuth(req, metadataBackend, username, apikeyToken) {
this.req = req;
this.metadataBackend = metadataBackend;
this.username = username;
this.apikeyToken = apikeyToken;
}
module.exports = ApikeyAuth;
function usernameMatches(basicAuthUsername, requestUsername) {
return !(basicAuthUsername && (basicAuthUsername !== requestUsername));
}
ApikeyAuth.prototype.verifyCredentials = function (callback) {
this.metadataBackend.getApikey(this.username, this.apikeyToken, (err, apikey) => {
if (err) {
err.http_status = 500;
err.message = 'Unexpected error';
return callback(err);
}
if (isApiKeyFound(apikey)) {
if (!usernameMatches(apikey.user, this.username)) {
const usernameError = new Error('Forbidden');
usernameError.type = 'auth';
usernameError.subtype = 'api-key-username-mismatch';
usernameError.http_status = 403;
return callback(usernameError);
}
if (!apikey.grantsSql) {
const forbiddenError = new Error('forbidden');
forbiddenError.http_status = 403;
return callback(forbiddenError);
}
return callback(null, getAuthorizationLevel(apikey));
} else {
const apiKeyNotFoundError = new Error('Unauthorized');
apiKeyNotFoundError.type = 'auth';
apiKeyNotFoundError.subtype = 'api-key-not-found';
apiKeyNotFoundError.http_status = 401;
return callback(apiKeyNotFoundError);
}
});
};
ApikeyAuth.prototype.hasCredentials = function () {
return !!this.apikeyToken;
};
ApikeyAuth.prototype.getCredentials = function () {
return this.apikeyToken;
};
function getAuthorizationLevel(apikey) {
return apikey.type;
}
function isApiKeyFound(apikey) {
return apikey.type !== null &&
apikey.user !== null &&
apikey.databasePassword !== null &&
apikey.databaseRole !== null;
}