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