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Refactor WKD lookup code (#1123)

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* Replace chained then by await

* Improve fetch fallback flow
This commit is contained in:
Yarmo Mackenbach 2020-07-15 15:12:55 +02:00 committed by GitHub
parent 20c468cbd7
commit 5801169432
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 22 deletions
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34
src/wkd.js
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@ -60,29 +60,19 @@ WKD.prototype.lookup = async function(options) {
const urlAdvanced = `https://openpgpkey.${domain}/.well-known/openpgpkey/${domain}/hu/${localEncoded}`;
const urlDirect = `https://${domain}/.well-known/openpgpkey/hu/${localEncoded}`;
return fetch(urlAdvanced).then(function(response) {
if (response.status === 200) {
return response.arrayBuffer();
let response = await fetch(urlAdvanced);
if (response.status !== 200) {
response = await fetch(urlDirect);
if (response.status !== 200) {
return;
}
}).then(function(publicKey) {
if (publicKey) {
return publicKey;
} else {
return fetch(urlDirect).then(function(response) {
if (response.status === 200) {
return response.arrayBuffer();
}
});
}
}).then(function(publicKey) {
if (publicKey) {
const rawBytes = new Uint8Array(publicKey);
if (options.rawBytes) {
return rawBytes;
}
return keyMod.read(rawBytes);
}
});
}
const rawBytes = new Uint8Array(await response.arrayBuffer());
if (options.rawBytes) {
return rawBytes;
}
return keyMod.read(rawBytes);
};
export default WKD;