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decryptAttribute request missing data

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This commit is contained in:
NicolasCantu 2025-03-04 14:54:56 +01:00
parent 3d09a20512
commit 3785285e4d
1 changed files with 22 additions and 16 deletions
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36
src/services/service.ts
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@ -917,21 +917,27 @@ export default class Services {
} }
} }
async decryptAttribute(state: ProcessState, attribute: string): Promise<string | null> { async decryptAttribute(processId: string, state: ProcessState, attribute: string): Promise<string | null> {
let hash; let hash = state.pcd_commitment[attribute];
let key; let key = state.keys[attribute];
try {
hash = state.pcd_commitment[attribute]; // If hash or key is missing, request an update and then retry
} catch (e) { if (!hash || !key) {
console.error(`Failed to find hash for attribute ${attribute}`); await this.requestDataFromPeers(processId, [state.state_id], [state.roles]);
return null;
} const maxRetries = 5;
try { const retryDelay = 500; // delay in milliseconds
key = state.keys[attribute]; let retries = 0;
} catch (e) {
console.error(`Failed to find key for attribute ${attribute}`); while ((!hash || !key) && retries < maxRetries) {
return null; await new Promise(resolve => setTimeout(resolve, retryDelay));
// Re-read hash and key after waiting
hash = state.pcd_commitment[attribute];
key = state.keys[attribute];
retries++;
}
} }
if (hash && key) { if (hash && key) {
const blob = await this.getBlobFromDb(hash); const blob = await this.getBlobFromDb(hash);
if (blob) { if (blob) {
@ -943,7 +949,7 @@ export default class Services {
const clear = this.sdkClient.decrypt_data(new Uint8Array(keyBuf), cipher); const clear = this.sdkClient.decrypt_data(new Uint8Array(keyBuf), cipher);
if (clear) { if (clear) {
// This is stringified json, we parse it back // Parse the stringified JSON
return JSON.parse(clear); return JSON.parse(clear);
} }
} }