refactor: storage factory + singleton
- Make storage easier. (cherry picked from commit ed84a4732d7dd3ce6b2c22f30553ab5c59f85dbb)
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@ -13,7 +13,7 @@
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</template>
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<script>
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import storage from '../utils/storage';
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import { storage } from '@/utils/storage';
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export default {
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components: {},
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@ -2,8 +2,8 @@ import { DecryptResult } from './entity';
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import { AudioMimeType, GetArrayBuffer, SniffAudioExt } from './utils';
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import jooxFactory from '@unlock-music/joox-crypto';
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import storage from '@/utils/storage';
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import { MergeUint8Array } from '@/utils/MergeUint8Array';
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import { storage } from '@/utils/storage';
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export async function Decrypt(file: Blob, raw_filename: string, raw_ext: string): Promise<DecryptResult> {
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const uuid = await storage.loadJooxUUID('');
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@ -1,7 +1,3 @@
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import BaseStorage from './storage/BaseStorage';
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import BrowserNativeStorage from './storage/BrowserNativeStorage';
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import ChromeExtensionStorage from './storage/ChromeExtensionStorage';
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import storageFactory from './storage/StorageFactory';
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const storage: BaseStorage = ChromeExtensionStorage.works ? new ChromeExtensionStorage() : new BrowserNativeStorage();
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export default storage;
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export const storage = storageFactory();
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@ -3,6 +3,8 @@ const KEY_JOOX_UUID = 'joox.uuid';
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export default abstract class BaseStorage {
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protected abstract save<T>(name: string, value: T): Promise<void>;
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protected abstract load<T>(name: string, defaultValue: T): Promise<T>;
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public abstract getAll(): Promise<Record<string, any>>;
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public abstract setAll(obj: Record<string, any>): Promise<void>;
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public saveJooxUUID(uuid: string): Promise<void> {
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return this.save(KEY_JOOX_UUID, uuid);
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@ -1,6 +1,10 @@
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import BaseStorage from './BaseStorage';
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export default class BrowserNativeStorage extends BaseStorage {
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public static get works() {
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return typeof localStorage !== 'undefined' && localStorage.getItem;
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}
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protected async load<T>(name: string, defaultValue: T): Promise<T> {
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const result = localStorage.getItem(name);
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if (result === null) {
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@ -12,4 +16,18 @@ export default class BrowserNativeStorage extends BaseStorage {
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protected async save<T>(name: string, value: T): Promise<void> {
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localStorage.setItem(name, JSON.stringify(value));
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}
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public async getAll(): Promise<Record<string, any>> {
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const result = {};
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for (const [key, value] of Object.entries(localStorage)) {
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Object.assign(result, { [key]: JSON.parse(value) });
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}
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return result;
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}
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public async setAll(obj: Record<string, any>): Promise<void> {
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for (const [key, value] of Object.entries(obj)) {
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localStorage.setItem(key, JSON.stringify(value));
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}
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}
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}
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@ -24,4 +24,16 @@ export default class ChromeExtensionStorage extends BaseStorage {
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chrome.storage.local.set({ [name]: value }, resolve);
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});
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}
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public async getAll(): Promise<Record<string, any>> {
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return new Promise((resolve) => {
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chrome.storage.local.get(null, resolve);
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});
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}
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public async setAll(obj: Record<string, any>): Promise<void> {
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return new Promise((resolve) => {
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chrome.storage.local.set(obj, resolve);
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});
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}
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}
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32
src/utils/storage/InMemoryStorage.ts
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32
src/utils/storage/InMemoryStorage.ts
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@ -0,0 +1,32 @@
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import BaseStorage from './BaseStorage';
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export default class InMemoryStorage extends BaseStorage {
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private values = new Map<string, any>();
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protected async load<T>(name: string, defaultValue: T): Promise<T> {
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if (this.values.has(name)) {
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return this.values.get(name);
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}
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return defaultValue;
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}
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protected async save<T>(name: string, value: T): Promise<void> {
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this.values.set(name, value);
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}
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public async getAll(): Promise<Record<string, any>> {
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const result = {};
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this.values.forEach((value, key) => {
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Object.assign(result, {
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[key]: value,
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});
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});
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return result;
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}
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public async setAll(obj: Record<string, any>): Promise<void> {
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for (const [key, value] of Object.entries(obj)) {
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this.values.set(key, value);
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}
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}
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}
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13
src/utils/storage/StorageFactory.ts
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13
src/utils/storage/StorageFactory.ts
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@ -0,0 +1,13 @@
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import BaseStorage from './BaseStorage';
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import BrowserNativeStorage from './BrowserNativeStorage';
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import ChromeExtensionStorage from './ChromeExtensionStorage';
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import InMemoryStorage from './InMemoryStorage';
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export default function storageFactory(): BaseStorage {
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if (ChromeExtensionStorage.works) {
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return new ChromeExtensionStorage();
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} else if (BrowserNativeStorage.works) {
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return new BrowserNativeStorage();
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}
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return new InMemoryStorage();
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}
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