All: Decryption worker and handling of missing master key passwords

ReactNativeClient/lib/services/DecryptionWorker.js

@@ -1,13 +1,57 @@
+const BaseItem = require('lib/models/BaseItem');
+
 class DecryptionWorker {
 
 	constructor() {
 		this.state_ = 'idle';
+
+		this.dispatch = (action) => {
+			console.warn('DecryptionWorker.dispatch is not defined');
+		};
 	}
 
-	start() {
+	static instance() {
+		if (this.instance_) return this.instance_;
+		this.instance_ = new DecryptionWorker();
+		return this.instance_;
+	}
+
+	static encryptionService() {
+		if (!this.encryptionService_) throw new Error('DecryptionWorker.encryptionService_ is not set!!');
+		return this.encryptionService_;
+	}
+
+	async start() {
 		if (this.state_ !== 'idle') return;
 
 		this.state_ = 'started';
+
+		let excludedIds = [];
+
+		while (true) {
+			const result = await BaseItem.itemsThatNeedDecryption(excludedIds);
+			const items = result.items;
+
+			for (let i = 0; i < items.length; i++) {
+				const item = items[i];
+				const ItemClass = BaseItem.itemClass(item);
+				try {
+					await ItemClass.decrypt(item);
+				} catch (error) {
+					if (error.code === 'missingMasterKey') {
+						excludedIds.push(item.id);
+						this.dispatch({
+							type: 'MASTERKEY_ADD_MISSING',
+							id: error.masterKeyId,
+						});
+						continue;
+					}
+					throw error;
+				}
+			}
+
+			if (!result.hasMore) break;
+		}
 	}
 
 }