File size: 13,427 Bytes
f2b0008 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 | class PersistentStorage {
constructor() {
if (!('indexedDB' in window)) {
PersistentStorage.logBrowserNotCapable();
return;
}
const DBOpenRequest = window.indexedDB.open('pairdrop_store', 5);
DBOpenRequest.onerror = e => {
PersistentStorage.logBrowserNotCapable();
console.log('Error initializing database: ');
console.log(e)
};
DBOpenRequest.onsuccess = _ => {
console.log('Database initialised.');
};
DBOpenRequest.onupgradeneeded = async e => {
const db = e.target.result;
const txn = e.target.transaction;
db.onerror = e => console.log('Error loading database: ' + e);
console.log(`Upgrading IndexedDB database from version ${e.oldVersion} to version ${e.newVersion}`);
if (e.oldVersion === 0) {
// initiate v1
db.createObjectStore('keyval');
let roomSecretsObjectStore1 = db.createObjectStore('room_secrets', {autoIncrement: true});
roomSecretsObjectStore1.createIndex('secret', 'secret', { unique: true });
}
if (e.oldVersion <= 1) {
// migrate to v2
db.createObjectStore('share_target_files');
}
if (e.oldVersion <= 2) {
// migrate to v3
db.deleteObjectStore('share_target_files');
db.createObjectStore('share_target_files', {autoIncrement: true});
}
if (e.oldVersion <= 3) {
// migrate to v4
let roomSecretsObjectStore4 = txn.objectStore('room_secrets');
roomSecretsObjectStore4.createIndex('display_name', 'display_name');
roomSecretsObjectStore4.createIndex('auto_accept', 'auto_accept');
}
if (e.oldVersion <= 4) {
// migrate to v5
const editedDisplayNameOld = await PersistentStorage.get('editedDisplayName');
if (editedDisplayNameOld) {
await PersistentStorage.set('edited_display_name', editedDisplayNameOld);
await PersistentStorage.delete('editedDisplayName');
}
}
}
}
static logBrowserNotCapable() {
console.log("This browser does not support IndexedDB. Paired devices will be gone after the browser is closed.");
}
static set(key, value) {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = e => {
const db = e.target.result;
const transaction = db.transaction('keyval', 'readwrite');
const objectStore = transaction.objectStore('keyval');
const objectStoreRequest = objectStore.put(value, key);
objectStoreRequest.onsuccess = _ => {
console.log(`Request successful. Added key-pair: ${key} - ${value}`);
resolve(value);
};
}
DBOpenRequest.onerror = e => {
reject(e);
}
})
}
static get(key) {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = e => {
const db = e.target.result;
const transaction = db.transaction('keyval', 'readonly');
const objectStore = transaction.objectStore('keyval');
const objectStoreRequest = objectStore.get(key);
objectStoreRequest.onsuccess = _ => {
console.log(`Request successful. Retrieved key-pair: ${key} - ${objectStoreRequest.result}`);
resolve(objectStoreRequest.result);
}
}
DBOpenRequest.onerror = e => {
reject(e);
}
});
}
static delete(key) {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = e => {
const db = e.target.result;
const transaction = db.transaction('keyval', 'readwrite');
const objectStore = transaction.objectStore('keyval');
const objectStoreRequest = objectStore.delete(key);
objectStoreRequest.onsuccess = _ => {
console.log(`Request successful. Deleted key: ${key}`);
resolve();
};
}
DBOpenRequest.onerror = e => {
reject(e);
}
})
}
static addRoomSecret(roomSecret, displayName, deviceName) {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = e => {
const db = e.target.result;
const transaction = db.transaction('room_secrets', 'readwrite');
const objectStore = transaction.objectStore('room_secrets');
const objectStoreRequest = objectStore.add({
'secret': roomSecret,
'display_name': displayName,
'device_name': deviceName,
'auto_accept': false
});
objectStoreRequest.onsuccess = e => {
console.log(`Request successful. RoomSecret added: ${e.target.result}`);
resolve();
}
}
DBOpenRequest.onerror = e => {
reject(e);
}
})
}
static async getAllRoomSecrets() {
try {
const roomSecrets = await this.getAllRoomSecretEntries();
let secrets = [];
for (let i = 0; i < roomSecrets.length; i++) {
secrets.push(roomSecrets[i].secret);
}
console.log(`Request successful. Retrieved ${secrets.length} room_secrets`);
return(secrets);
} catch (e) {
this.logBrowserNotCapable();
return [];
}
}
static getAllRoomSecretEntries() {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = (e) => {
const db = e.target.result;
const transaction = db.transaction('room_secrets', 'readonly');
const objectStore = transaction.objectStore('room_secrets');
const objectStoreRequest = objectStore.getAll();
objectStoreRequest.onsuccess = e => {
resolve(e.target.result);
}
}
DBOpenRequest.onerror = (e) => {
reject(e);
}
});
}
static getRoomSecretEntry(roomSecret) {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = e => {
const db = e.target.result;
const transaction = db.transaction('room_secrets', 'readonly');
const objectStore = transaction.objectStore('room_secrets');
const objectStoreRequestKey = objectStore.index("secret").getKey(roomSecret);
objectStoreRequestKey.onsuccess = e => {
const key = e.target.result;
if (!key) {
console.log(`Nothing to retrieve. Entry for room_secret not existing: ${roomSecret}`);
resolve();
return;
}
const objectStoreRequestRetrieval = objectStore.get(key);
objectStoreRequestRetrieval.onsuccess = e => {
console.log(`Request successful. Retrieved entry for room_secret: ${key}`);
resolve({
"entry": e.target.result,
"key": key
});
}
objectStoreRequestRetrieval.onerror = (e) => {
reject(e);
}
};
}
DBOpenRequest.onerror = (e) => {
reject(e);
}
});
}
static deleteRoomSecret(roomSecret) {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = (e) => {
const db = e.target.result;
const transaction = db.transaction('room_secrets', 'readwrite');
const objectStore = transaction.objectStore('room_secrets');
const objectStoreRequestKey = objectStore.index("secret").getKey(roomSecret);
objectStoreRequestKey.onsuccess = e => {
if (!e.target.result) {
console.log(`Nothing to delete. room_secret not existing: ${roomSecret}`);
resolve();
return;
}
const key = e.target.result;
const objectStoreRequestDeletion = objectStore.delete(key);
objectStoreRequestDeletion.onsuccess = _ => {
console.log(`Request successful. Deleted room_secret: ${key}`);
resolve(roomSecret);
}
objectStoreRequestDeletion.onerror = e => {
reject(e);
}
};
}
DBOpenRequest.onerror = e => {
reject(e);
}
})
}
static clearRoomSecrets() {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = (e) => {
const db = e.target.result;
const transaction = db.transaction('room_secrets', 'readwrite');
const objectStore = transaction.objectStore('room_secrets');
const objectStoreRequest = objectStore.clear();
objectStoreRequest.onsuccess = _ => {
console.log('Request successful. All room_secrets cleared');
resolve();
};
}
DBOpenRequest.onerror = e => {
reject(e);
}
})
}
static updateRoomSecretNames(roomSecret, displayName, deviceName) {
return this.updateRoomSecret(roomSecret, undefined, displayName, deviceName);
}
static updateRoomSecretAutoAccept(roomSecret, autoAccept) {
return this.updateRoomSecret(roomSecret, undefined, undefined, undefined, autoAccept);
}
static updateRoomSecret(roomSecret, updatedRoomSecret = undefined, updatedDisplayName = undefined, updatedDeviceName = undefined, updatedAutoAccept = undefined) {
return new Promise((resolve, reject) => {
const DBOpenRequest = window.indexedDB.open('pairdrop_store');
DBOpenRequest.onsuccess = e => {
const db = e.target.result;
this.getRoomSecretEntry(roomSecret)
.then(roomSecretEntry => {
if (!roomSecretEntry) {
resolve(false);
return;
}
const transaction = db.transaction('room_secrets', 'readwrite');
const objectStore = transaction.objectStore('room_secrets');
// Do not use `updatedRoomSecret ?? roomSecretEntry.entry.secret` to ensure compatibility with older browsers
const updatedRoomSecretEntry = {
'secret': updatedRoomSecret !== undefined ? updatedRoomSecret : roomSecretEntry.entry.secret,
'display_name': updatedDisplayName !== undefined ? updatedDisplayName : roomSecretEntry.entry.display_name,
'device_name': updatedDeviceName !== undefined ? updatedDeviceName : roomSecretEntry.entry.device_name,
'auto_accept': updatedAutoAccept !== undefined ? updatedAutoAccept : roomSecretEntry.entry.auto_accept
};
const objectStoreRequestUpdate = objectStore.put(updatedRoomSecretEntry, roomSecretEntry.key);
objectStoreRequestUpdate.onsuccess = e => {
console.log(`Request successful. Updated room_secret: ${roomSecretEntry.key}`);
resolve({
"entry": updatedRoomSecretEntry,
"key": roomSecretEntry.key
});
}
objectStoreRequestUpdate.onerror = (e) => {
reject(e);
}
})
.catch(e => reject(e));
};
DBOpenRequest.onerror = e => reject(e);
})
}
} |