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bug: catch invalid zap

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Kieran 2023-02-14 14:53:00 +00:00
parent 3924aa0206
commit b75dc2d8d8
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GPG Key ID: DE71CEB3925BE941
1 changed files with 15 additions and 8 deletions
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23
packages/app/src/Element/Zap.tsx
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@ -37,16 +37,23 @@ interface Zapper {
}
function getZapper(zap: TaggedRawEvent, dhash: string): Zapper {
const zapRequest = findTag(zap, "description");
let zapRequest = findTag(zap, "description");
if (zapRequest) {
const rawEvent: TaggedRawEvent = JSON.parse(zapRequest);
if (Array.isArray(rawEvent)) {
// old format, ignored
return { isValid: false };
try {
if (zapRequest.startsWith("%")) {
zapRequest = decodeURIComponent(zapRequest);
}
const rawEvent: TaggedRawEvent = JSON.parse(zapRequest);
if (Array.isArray(rawEvent)) {
// old format, ignored
return { isValid: false };
}
const metaHash = sha256(zapRequest);
const ev = new Event(rawEvent);
return { pubkey: ev.PubKey, isValid: dhash === metaHash };
} catch (e) {
console.warn("Invalid zap", zapRequest);
}
const metaHash = sha256(zapRequest);
const ev = new Event(rawEvent);
return { pubkey: ev.PubKey, isValid: dhash === metaHash };
}
return { isValid: false };
}