41 lines
935 B
JavaScript
41 lines
935 B
JavaScript
/**
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* Adds the given scope to the array in req.auth if the user has sufficient
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* permissions. Otherwise rejects the request.
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*/
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function requireAuth(scope) {
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let checkScopes;
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if (scope.includes(".")) {
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const parts = scope.split(".");
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checkScopes = scopes =>
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parts.reduce((memo, part) => memo && memo[part], scopes) != null;
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} else {
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checkScopes = scopes => scopes[scope] != null;
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}
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return function(req, res, next) {
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if (req.auth && req.auth.includes(scope)) {
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return next(); // Already auth'd
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}
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const user = req.user;
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if (!user) {
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return res.status(403).send({ error: "Missing auth token" });
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}
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if (!user.scopes || !checkScopes(user.scopes)) {
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return res.status(403).send({ error: "Insufficient scopes" });
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}
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if (req.auth) {
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req.auth.push(scope);
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} else {
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req.auth = [scope];
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}
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next();
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};
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}
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module.exports = requireAuth;
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