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Convert crypto index to TS

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This commit is contained in:
Michael Telatynski
2021-06-19 19:41:45 +01:00
parent 59c1edb623
commit fc67dc6497
7 changed files with 3815 additions and 3724 deletions
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49
src/crypto/backup.ts
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@@ -48,11 +48,16 @@ type SigInfo = {
deviceTrust?: DeviceTrustLevel,
};
type TrustInfo = {
export type TrustInfo = {
usable: boolean, // is the backup trusted, true iff there is a sig that is valid & from a trusted device
sigs: SigInfo[],
};
export interface IKeyBackupCheck {
backupInfo: BackupInfo;
trustInfo: TrustInfo;
}
/** A function used to get the secret key for a backup.
*/
type GetKey = () => Promise<Uint8Array>;
@@ -81,7 +86,7 @@ interface BackupAlgorithm {
*/
export class BackupManager {
private algorithm: BackupAlgorithm | undefined;
private backupInfo: BackupInfo | undefined; // The info dict from /room_keys/version
public backupInfo: BackupInfo | undefined; // The info dict from /room_keys/version
public checkedForBackup: boolean; // Have we checked the server for a backup we can use?
private sendingBackups: boolean; // Are we currently sending backups?
constructor(private readonly baseApis: MatrixClient, public readonly getKey: GetKey) {
@@ -232,7 +237,7 @@ export class BackupManager {
* trust information (as returned by isKeyBackupTrusted)
* in trustInfo.
*/
public async checkKeyBackup(): Promise<{backupInfo: BackupInfo, trustInfo: TrustInfo}> {
public async checkKeyBackup(): Promise<IKeyBackupCheck> {
this.checkedForBackup = false;
return this.checkAndStart();
}
@@ -268,7 +273,7 @@ export class BackupManager {
return ret;
}
const trustedPubkey = this.baseApis.crypto._sessionStore.getLocalTrustedBackupPubKey();
const trustedPubkey = this.baseApis.crypto.sessionStore.getLocalTrustedBackupPubKey();
if (backupInfo.auth_data.public_key === trustedPubkey) {
logger.info("Backup public key " + trustedPubkey + " is trusted locally");
@@ -288,12 +293,12 @@ export class BackupManager {
const sigInfo: SigInfo = { deviceId: keyIdParts[1] };
// first check to see if it's from our cross-signing key
const crossSigningId = this.baseApis.crypto._crossSigningInfo.getId();
const crossSigningId = this.baseApis.crypto.crossSigningInfo.getId();
if (crossSigningId === sigInfo.deviceId) {
sigInfo.crossSigningId = true;
try {
await verifySignature(
this.baseApis.crypto._olmDevice,
this.baseApis.crypto.olmDevice,
backupInfo.auth_data,
this.baseApis.getUserId(),
sigInfo.deviceId,
@@ -313,7 +318,7 @@ export class BackupManager {
// Now look for a sig from a device
// At some point this can probably go away and we'll just support
// it being signed by the cross-signing master key
const device = this.baseApis.crypto._deviceList.getStoredDevice(
const device = this.baseApis.crypto.deviceList.getStoredDevice(
this.baseApis.getUserId(), sigInfo.deviceId,
);
if (device) {
@@ -323,7 +328,7 @@ export class BackupManager {
);
try {
await verifySignature(
this.baseApis.crypto._olmDevice,
this.baseApis.crypto.olmDevice,
backupInfo.auth_data,
this.baseApis.getUserId(),
device.deviceId,
@@ -423,12 +428,12 @@ export class BackupManager {
* @returns {integer} Number of sessions backed up
*/
private async backupPendingKeys(limit: number): Promise<number> {
const sessions = await this.baseApis.crypto._cryptoStore.getSessionsNeedingBackup(limit);
const sessions = await this.baseApis.crypto.cryptoStore.getSessionsNeedingBackup(limit);
if (!sessions.length) {
return 0;
}
let remaining = await this.baseApis.crypto._cryptoStore.countSessionsNeedingBackup();
let remaining = await this.baseApis.crypto.cryptoStore.countSessionsNeedingBackup();
this.baseApis.crypto.emit("crypto.keyBackupSessionsRemaining", remaining);
const data = {};
@@ -438,7 +443,7 @@ export class BackupManager {
data[roomId] = { sessions: {} };
}
const sessionData = await this.baseApis.crypto._olmDevice.exportInboundGroupSession(
const sessionData = await this.baseApis.crypto.olmDevice.exportInboundGroupSession(
session.senderKey, session.sessionId, session.sessionData,
);
sessionData.algorithm = MEGOLM_ALGORITHM;
@@ -446,13 +451,13 @@ export class BackupManager {
const forwardedCount =
(sessionData.forwarding_curve25519_key_chain || []).length;
const userId = this.baseApis.crypto._deviceList.getUserByIdentityKey(
const userId = this.baseApis.crypto.deviceList.getUserByIdentityKey(
MEGOLM_ALGORITHM, session.senderKey,
);
const device = this.baseApis.crypto._deviceList.getDeviceByIdentityKey(
const device = this.baseApis.crypto.deviceList.getDeviceByIdentityKey(
MEGOLM_ALGORITHM, session.senderKey,
);
const verified = this.baseApis.crypto._checkDeviceInfoTrust(userId, device).isVerified();
const verified = this.baseApis.crypto.checkDeviceInfoTrust(userId, device).isVerified();
data[roomId]['sessions'][session.sessionId] = {
first_message_index: sessionData.first_known_index,
@@ -467,8 +472,8 @@ export class BackupManager {
{ rooms: data },
);
await this.baseApis.crypto._cryptoStore.unmarkSessionsNeedingBackup(sessions);
remaining = await this.baseApis.crypto._cryptoStore.countSessionsNeedingBackup();
await this.baseApis.crypto.cryptoStore.unmarkSessionsNeedingBackup(sessions);
remaining = await this.baseApis.crypto.cryptoStore.countSessionsNeedingBackup();
this.baseApis.crypto.emit("crypto.keyBackupSessionsRemaining", remaining);
return sessions.length;
@@ -477,7 +482,7 @@ export class BackupManager {
public async backupGroupSession(
senderKey: string, sessionId: string,
): Promise<void> {
await this.baseApis.crypto._cryptoStore.markSessionsNeedingBackup([{
await this.baseApis.crypto.cryptoStore.markSessionsNeedingBackup([{
senderKey: senderKey,
sessionId: sessionId,
}]);
@@ -509,22 +514,22 @@ export class BackupManager {
* (which will be equal to the number of sessions in the store).
*/
public async flagAllGroupSessionsForBackup(): Promise<number> {
await this.baseApis.crypto._cryptoStore.doTxn(
await this.baseApis.crypto.cryptoStore.doTxn(
'readwrite',
[
IndexedDBCryptoStore.STORE_INBOUND_GROUP_SESSIONS,
IndexedDBCryptoStore.STORE_BACKUP,
],
(txn) => {
this.baseApis.crypto._cryptoStore.getAllEndToEndInboundGroupSessions(txn, (session) => {
this.baseApis.crypto.cryptoStore.getAllEndToEndInboundGroupSessions(txn, (session) => {
if (session !== null) {
this.baseApis.crypto._cryptoStore.markSessionsNeedingBackup([session], txn);
this.baseApis.crypto.cryptoStore.markSessionsNeedingBackup([session], txn);
}
});
},
);
const remaining = await this.baseApis.crypto._cryptoStore.countSessionsNeedingBackup();
const remaining = await this.baseApis.crypto.cryptoStore.countSessionsNeedingBackup();
this.baseApis.emit("crypto.keyBackupSessionsRemaining", remaining);
return remaining;
}
@@ -534,7 +539,7 @@ export class BackupManager {
* @returns {Promise<int>} Resolves to the number of sessions requiring backup
*/
public countSessionsNeedingBackup(): Promise<number> {
return this.baseApis.crypto._cryptoStore.countSessionsNeedingBackup();
return this.baseApis.crypto.cryptoStore.countSessionsNeedingBackup();
}
}