33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
// 'proxy' auth provider is meant to be used by a reverse proxy that injects permission headers into the origin
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// request. In this case we are relying on our proxy to authenitcate our users and validate.
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const ProxyAuthKey="proxy"
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function getProxyPermissions(userHeader, groupHeader, request) {
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const user = (userHeader)?request.headers.get(userHeader):null;
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const groupsString = (groupHeader)?request.headers.get(groupHeader):"";
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return {user, groups: (groupsString)?groupsString.split(",").map((v) => v.trimStart()):[]}
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}
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function createProxyAuth({groupHeader, userHeader}) {
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return {
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getContext : (request) => ({
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type: ProxyAuthKey,
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...userHeader && {[userHeader]: request.headers.get(userHeader) },
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...groupHeader && {[groupHeader]: request.headers.get(groupHeader)}
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}),
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authorize : (request) => getProxyPermissions(userHeader, groupHeader, request)
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}
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}
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async function fetchProxyAuth([key, context]) {
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return fetch(key, {headers: context.headers}).then((res) => res.json())
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}
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const ProxyAuthProvider = {
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key: ProxyAuthKey,
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create: createProxyAuth,
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fetch: fetchProxyAuth
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}
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export default ProxyAuthProvider;
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