Commit 1ed10145 authored by Akihiko Odaki's avatar Akihiko Odaki Committed by Eugen Rochko

Free stroage if it is exceeding disk quota (#7061)

parent b83ce18b
import api, { getLinks } from '../api';
import asyncDB from '../storage/db';
import openDB from '../storage/db';
import { importAccount, importFetchedAccount, importFetchedAccounts } from './importer';
export const ACCOUNT_FETCH_REQUEST = 'ACCOUNT_FETCH_REQUEST';
......@@ -94,12 +94,15 @@ export function fetchAccount(id) {
dispatch(fetchAccountRequest(id));
asyncDB.then(db => getFromDB(
openDB().then(db => getFromDB(
dispatch,
getState,
db.transaction('accounts', 'read').objectStore('accounts').index('id'),
id
)).catch(() => api(getState).get(`/api/v1/accounts/${id}`).then(response => {
).then(() => db.close(), error => {
db.close();
throw error;
})).catch(() => api(getState).get(`/api/v1/accounts/${id}`).then(response => {
dispatch(importFetchedAccount(response.data));
})).then(() => {
dispatch(fetchAccountSuccess());
......
import { autoPlayGif } from '../../initial_state';
import { putAccounts, putStatuses } from '../../storage/modifier';
import { normalizeAccount, normalizeStatus } from './normalizer';
......@@ -44,7 +45,7 @@ export function importFetchedAccounts(accounts) {
}
accounts.forEach(processAccount);
putAccounts(normalAccounts);
putAccounts(normalAccounts, !autoPlayGif);
return importAccounts(normalAccounts);
}
......
import api from '../api';
import asyncDB from '../storage/db';
import openDB from '../storage/db';
import { evictStatus } from '../storage/modifier';
import { deleteFromTimelines } from './timelines';
......@@ -92,12 +92,17 @@ export function fetchStatus(id) {
dispatch(fetchStatusRequest(id, skipLoading));
asyncDB.then(db => {
openDB().then(db => {
const transaction = db.transaction(['accounts', 'statuses'], 'read');
const accountIndex = transaction.objectStore('accounts').index('id');
const index = transaction.objectStore('statuses').index('id');
return getFromDB(dispatch, getState, accountIndex, index, id);
return getFromDB(dispatch, getState, accountIndex, index, id).then(() => {
db.close();
}, error => {
db.close();
throw error;
});
}).then(() => {
dispatch(fetchStatusSuccess(skipLoading));
}, () => api(getState).get(`/api/v1/statuses/${id}`).then(response => {
......
import { freeStorage } from '../storage/modifier';
import './web_push_notifications';
function openSystemCache() {
......@@ -42,8 +43,10 @@ self.addEventListener('fetch', function(event) {
event.respondWith(asyncResponse.then(async response => {
if (response.ok || response.type === 'opaqueredirect') {
const cache = await asyncCache;
await cache.delete('/');
await Promise.all([
asyncCache.then(cache => cache.delete('/')),
indexedDB.deleteDatabase('mastodon'),
]);
}
return response;
......@@ -56,7 +59,11 @@ self.addEventListener('fetch', function(event) {
const fetched = await fetch(event.request);
if (fetched.ok) {
await cache.put(event.request.url, fetched.clone());
try {
await cache.put(event.request.url, fetched.clone());
} finally {
freeStorage();
}
}
return fetched;
......
import { me } from '../initial_state';
export default new Promise((resolve, reject) => {
export default () => new Promise((resolve, reject) => {
// ServiceWorker is required to synchronize the login state.
// Microsoft Edge 17 does not support getAll according to:
// Catalog of standard and vendor APIs across browsers - Microsoft Edge Development
// https://developer.microsoft.com/en-us/microsoft-edge/platform/catalog/?q=specName%3Aindexeddb
if (!me || !('getAll' in IDBObjectStore.prototype)) {
if (!('caches' in self && 'getAll' in IDBObjectStore.prototype)) {
reject();
return;
}
const request = indexedDB.open('mastodon:' + me);
const request = indexedDB.open('mastodon');
request.onerror = reject;
request.onsuccess = ({ target }) => resolve(target.result);
......
import asyncDB from './db';
import { autoPlayGif } from '../initial_state';
import openDB from './db';
const accountAssetKeys = ['avatar', 'avatar_static', 'header', 'header_static'];
const avatarKey = autoPlayGif ? 'avatar' : 'avatar_static';
const limit = 1024;
const storageMargin = 8388608;
const storeLimit = 1024;
// ServiceWorker and Cache API is not available on iOS 11
// https://webkit.org/status/#specification-service-workers
const asyncCache = window.caches ? caches.open('mastodon-system') : Promise.reject();
function openCache() {
// ServiceWorker and Cache API is not available on iOS 11
// https://webkit.org/status/#specification-service-workers
return self.caches ? caches.open('mastodon-system') : Promise.reject();
}
function printErrorIfAvailable(error) {
if (error) {
......@@ -16,7 +17,7 @@ function printErrorIfAvailable(error) {
}
function put(name, objects, onupdate, oncreate) {
return asyncDB.then(db => new Promise((resolve, reject) => {
return openDB().then(db => (new Promise((resolve, reject) => {
const putTransaction = db.transaction(name, 'readwrite');
const putStore = putTransaction.objectStore(name);
const putIndex = putStore.index('id');
......@@ -53,7 +54,7 @@ function put(name, objects, onupdate, oncreate) {
const count = readStore.count();
count.onsuccess = () => {
const excess = count.result - limit;
const excess = count.result - storeLimit;
if (excess > 0) {
const retrieval = readStore.getAll(null, excess);
......@@ -69,11 +70,17 @@ function put(name, objects, onupdate, oncreate) {
};
putTransaction.onerror = reject;
})).then(resolved => {
db.close();
return resolved;
}, error => {
db.close();
throw error;
}));
}
function evictAccountsByRecords(records) {
asyncDB.then(db => {
return openDB().then(db => {
const transaction = db.transaction(['accounts', 'statuses'], 'readwrite');
const accounts = transaction.objectStore('accounts');
const accountsIdIndex = accounts.index('id');
......@@ -83,7 +90,7 @@ function evictAccountsByRecords(records) {
function evict(toEvict) {
toEvict.forEach(record => {
asyncCache
openCache()
.then(cache => accountAssetKeys.forEach(key => cache.delete(records[key])))
.catch(printErrorIfAvailable);
......@@ -98,6 +105,8 @@ function evictAccountsByRecords(records) {
}
evict(records);
db.close();
}).catch(printErrorIfAvailable);
}
......@@ -106,8 +115,9 @@ export function evictStatus(id) {
}
export function evictStatuses(ids) {
asyncDB.then(db => {
const store = db.transaction('statuses', 'readwrite').objectStore('statuses');
return openDB().then(db => {
const transaction = db.transaction('statuses', 'readwrite');
const store = transaction.objectStore('statuses');
const idIndex = store.index('id');
const reblogIndex = store.index('reblog');
......@@ -118,14 +128,17 @@ export function evictStatuses(ids) {
idIndex.getKey(id).onsuccess =
({ target }) => target.result && store.delete(target.result);
});
db.close();
}).catch(printErrorIfAvailable);
}
function evictStatusesByRecords(records) {
evictStatuses(records.map(({ id }) => id));
return evictStatuses(records.map(({ id }) => id));
}
export function putAccounts(records) {
export function putAccounts(records, avatarStatic) {
const avatarKey = avatarStatic ? 'avatar_static' : 'avatar';
const newURLs = [];
put('accounts', records, (newRecord, oldKey, store, oncomplete) => {
......@@ -135,7 +148,7 @@ export function putAccounts(records) {
const oldURL = target.result[key];
if (newURL !== oldURL) {
asyncCache
openCache()
.then(cache => cache.delete(oldURL))
.catch(printErrorIfAvailable);
}
......@@ -153,11 +166,12 @@ export function putAccounts(records) {
}, (newRecord, oncomplete) => {
newURLs.push(newRecord[avatarKey]);
oncomplete();
}).then(records => {
evictAccountsByRecords(records);
asyncCache
.then(cache => cache.addAll(newURLs))
.catch(printErrorIfAvailable);
}).then(records => Promise.all([
evictAccountsByRecords(records),
openCache().then(cache => cache.addAll(newURLs)),
])).then(freeStorage, error => {
freeStorage();
throw error;
}).catch(printErrorIfAvailable);
}
......@@ -166,3 +180,27 @@ export function putStatuses(records) {
.then(evictStatusesByRecords)
.catch(printErrorIfAvailable);
}
export function freeStorage() {
return navigator.storage.estimate().then(({ quota, usage }) => {
if (usage + storageMargin < quota) {
return null;
}
return openDB().then(db => new Promise((resolve, reject) => {
const retrieval = db.transaction('accounts', 'readonly').objectStore('accounts').getAll(null, 1);
retrieval.onsuccess = () => {
if (retrieval.result.length > 0) {
resolve(evictAccountsByRecords(retrieval.result).then(freeStorage));
} else {
resolve(caches.delete('mastodon-system'));
}
};
retrieval.onerror = reject;
db.close();
}));
});
}
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