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@oesp/sync-http

v8.0.0

Published

OESP HTTP Sync Client

Readme

@oesp/sync-http

Client de synchronisation HTTP pour OESP avec support des uploads fragmentés et vérification d'intégrité.

Installation

npm install @oesp/sync-http

Fonctionnalités

  • Upload par Session : Création de session pour gérer les gros volumes de données.
  • Envoi Fragmenté (Chunked) : Découpage automatique des données pour éviter les timeouts et respecter les limites du serveur.
  • Vérification d'Intégrité : Calcul du hash SHA-256 pour chaque fragment envoyé.
  • Opérations Asynchrones : Gestion non-bloquante des requêtes réseau via fetch.
  • Crypto Agnostique : Injection du provider SHA-256.

Utilisation

import { OESPSyncClient } from '@oesp/sync-http';
import { sha256 } from 'js-sha256'; // Exemple de lib externe

// 1. Initialiser le client avec l'URL du serveur et le provider SHA-256
const client = new OESPSyncClient({
  baseUrl: 'https://mon-serveur-oesp.com',
  sha256: async (data) => new Uint8Array(sha256.arrayBuffer(data))
});

// 2. Préparer les tokens à synchroniser (format string base64url ou raw)
const tokensToSync = [
  'OESP1.token1...',
  'OESP1.token2...'
];

const deviceDid = 'oesp:did:my_device';

try {
  // 3. Lancer la synchronisation asynchrone
  // La méthode gère automatiquement la création de session, le découpage et l'upload
  const result = await client.syncTokens(
    tokensToSync,
    deviceDid
  );

  if (result.success) {
    console.log(`Synchronisation réussie !`);
    console.log(`Tokens envoyés : ${result.uploadedCount}`);
    console.log(`ID de session : ${result.sessionId}`);
  } else {
    console.error(`Erreur de synchro : ${result.error}`);
  }
} catch (err) {
  console.error("Erreur réseau ou client:", err);
}

Configuration Avancée

Vous pouvez ajuster la taille des chunks lors de l'initialisation :

const client = new OESPSyncClient({
  baseUrl: 'https://api.oesp.com',
  sha256: mySha256Provider,
  chunkSize: 1024 * 1024 // 1MB par chunk (défaut: 512KB)
});