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			917 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			JavaScript
		
	
			
		
		
	
	
			917 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			JavaScript
		
	
| /*
 | |
|   global
 | |
|   dcodeIO,
 | |
|   Backbone,
 | |
|   _,
 | |
|   libsignal,
 | |
|   textsecure,
 | |
|   ConversationController,
 | |
|   stringObject,
 | |
|   BlockedNumberController
 | |
| */
 | |
| 
 | |
| /* eslint-disable no-proto */
 | |
| 
 | |
| // eslint-disable-next-line func-names
 | |
| (function() {
 | |
|   'use strict';
 | |
| 
 | |
|   const TIMESTAMP_THRESHOLD = 5 * 1000; // 5 seconds
 | |
|   const Direction = {
 | |
|     SENDING: 1,
 | |
|     RECEIVING: 2,
 | |
|   };
 | |
| 
 | |
|   const VerifiedStatus = {
 | |
|     DEFAULT: 0,
 | |
|     VERIFIED: 1,
 | |
|     UNVERIFIED: 2,
 | |
|   };
 | |
| 
 | |
|   function validateVerifiedStatus(status) {
 | |
|     if (
 | |
|       status === VerifiedStatus.DEFAULT ||
 | |
|       status === VerifiedStatus.VERIFIED ||
 | |
|       status === VerifiedStatus.UNVERIFIED
 | |
|     ) {
 | |
|       return true;
 | |
|     }
 | |
|     return false;
 | |
|   }
 | |
| 
 | |
|   const StaticByteBufferProto = new dcodeIO.ByteBuffer().__proto__;
 | |
|   const StaticArrayBufferProto = new ArrayBuffer().__proto__;
 | |
|   const StaticUint8ArrayProto = new Uint8Array().__proto__;
 | |
| 
 | |
|   function isStringable(thing) {
 | |
|     return (
 | |
|       thing === Object(thing) &&
 | |
|       (thing.__proto__ === StaticArrayBufferProto ||
 | |
|         thing.__proto__ === StaticUint8ArrayProto ||
 | |
|         thing.__proto__ === StaticByteBufferProto)
 | |
|     );
 | |
|   }
 | |
|   function convertToArrayBuffer(thing) {
 | |
|     if (thing === undefined) {
 | |
|       return undefined;
 | |
|     }
 | |
|     if (thing === Object(thing)) {
 | |
|       if (thing.__proto__ === StaticArrayBufferProto) {
 | |
|         return thing;
 | |
|       }
 | |
|       // TODO: Several more cases here...
 | |
|     }
 | |
| 
 | |
|     if (thing instanceof Array) {
 | |
|       // Assuming Uint16Array from curve25519
 | |
|       const res = new ArrayBuffer(thing.length * 2);
 | |
|       const uint = new Uint16Array(res);
 | |
|       for (let i = 0; i < thing.length; i += 1) {
 | |
|         uint[i] = thing[i];
 | |
|       }
 | |
|       return res;
 | |
|     }
 | |
| 
 | |
|     let str;
 | |
|     if (isStringable(thing)) {
 | |
|       str = stringObject(thing);
 | |
|     } else if (typeof thing === 'string') {
 | |
|       str = thing;
 | |
|     } else {
 | |
|       throw new Error(
 | |
|         `Tried to convert a non-stringable thing of type ${typeof thing} to an array buffer`
 | |
|       );
 | |
|     }
 | |
|     const res = new ArrayBuffer(str.length);
 | |
|     const uint = new Uint8Array(res);
 | |
|     for (let i = 0; i < str.length; i += 1) {
 | |
|       uint[i] = str.charCodeAt(i);
 | |
|     }
 | |
|     return res;
 | |
|   }
 | |
| 
 | |
|   function equalArrayBuffers(ab1, ab2) {
 | |
|     if (!(ab1 instanceof ArrayBuffer && ab2 instanceof ArrayBuffer)) {
 | |
|       return false;
 | |
|     }
 | |
|     if (ab1.byteLength !== ab2.byteLength) {
 | |
|       return false;
 | |
|     }
 | |
|     let result = 0;
 | |
|     const ta1 = new Uint8Array(ab1);
 | |
|     const ta2 = new Uint8Array(ab2);
 | |
|     for (let i = 0; i < ab1.byteLength; i += 1) {
 | |
|       // eslint-disable-next-line no-bitwise
 | |
|       result |= ta1[i] ^ ta2[i];
 | |
|     }
 | |
|     return result === 0;
 | |
|   }
 | |
| 
 | |
|   const IdentityRecord = Backbone.Model.extend({
 | |
|     storeName: 'identityKeys',
 | |
|     validAttributes: [
 | |
|       'id',
 | |
|       'publicKey',
 | |
|       'firstUse',
 | |
|       'timestamp',
 | |
|       'verified',
 | |
|       'nonblockingApproval',
 | |
|     ],
 | |
|     validate(attrs) {
 | |
|       const attributeNames = _.keys(attrs);
 | |
|       const { validAttributes } = this;
 | |
|       const allValid = _.all(attributeNames, attributeName =>
 | |
|         _.contains(validAttributes, attributeName)
 | |
|       );
 | |
|       if (!allValid) {
 | |
|         return new Error('Invalid identity key attribute names');
 | |
|       }
 | |
|       const allPresent = _.all(validAttributes, attributeName =>
 | |
|         _.contains(attributeNames, attributeName)
 | |
|       );
 | |
|       if (!allPresent) {
 | |
|         return new Error('Missing identity key attributes');
 | |
|       }
 | |
| 
 | |
|       if (typeof attrs.id !== 'string') {
 | |
|         return new Error('Invalid identity key id');
 | |
|       }
 | |
|       if (!(attrs.publicKey instanceof ArrayBuffer)) {
 | |
|         return new Error('Invalid identity key publicKey');
 | |
|       }
 | |
|       if (typeof attrs.firstUse !== 'boolean') {
 | |
|         return new Error('Invalid identity key firstUse');
 | |
|       }
 | |
|       if (typeof attrs.timestamp !== 'number' || !(attrs.timestamp >= 0)) {
 | |
|         return new Error('Invalid identity key timestamp');
 | |
|       }
 | |
|       if (!validateVerifiedStatus(attrs.verified)) {
 | |
|         return new Error('Invalid identity key verified');
 | |
|       }
 | |
|       if (typeof attrs.nonblockingApproval !== 'boolean') {
 | |
|         return new Error('Invalid identity key nonblockingApproval');
 | |
|       }
 | |
| 
 | |
|       return null;
 | |
|     },
 | |
|   });
 | |
| 
 | |
|   function SignalProtocolStore() {}
 | |
| 
 | |
|   async function _hydrateCache(object, field, items, idField) {
 | |
|     const cache = Object.create(null);
 | |
|     for (let i = 0, max = items.length; i < max; i += 1) {
 | |
|       const item = items[i];
 | |
|       const id = item[idField];
 | |
| 
 | |
|       cache[id] = item;
 | |
|     }
 | |
| 
 | |
|     window.log.info(`SignalProtocolStore: Finished caching ${field} data`);
 | |
|     // eslint-disable-next-line no-param-reassign
 | |
|     object[field] = cache;
 | |
|   }
 | |
| 
 | |
|   SignalProtocolStore.prototype = {
 | |
|     constructor: SignalProtocolStore,
 | |
|     async hydrateCaches() {
 | |
|       await Promise.all([
 | |
|         _hydrateCache(
 | |
|           this,
 | |
|           'identityKeys',
 | |
|           await window.Signal.Data.getAllIdentityKeys(),
 | |
|           'id'
 | |
|         ),
 | |
|         _hydrateCache(
 | |
|           this,
 | |
|           'sessions',
 | |
|           await window.Signal.Data.getAllSessions(),
 | |
|           'id'
 | |
|         ),
 | |
|         _hydrateCache(
 | |
|           this,
 | |
|           'preKeys',
 | |
|           await window.Signal.Data.getAllPreKeys(),
 | |
|           'id'
 | |
|         ),
 | |
|         _hydrateCache(
 | |
|           this,
 | |
|           'signedPreKeys',
 | |
|           await window.Signal.Data.getAllSignedPreKeys(),
 | |
|           'id'
 | |
|         ),
 | |
|       ]);
 | |
|     },
 | |
| 
 | |
|     async getIdentityKeyPair() {
 | |
|       const item = await window.Signal.Data.getItemById('identityKey');
 | |
|       if (item) {
 | |
|         return item.value;
 | |
|       }
 | |
|       window.log.error('Could not load identityKey from SignalData');
 | |
|       return undefined;
 | |
|     },
 | |
|     async getLocalRegistrationId() {
 | |
|       const item = await window.Signal.Data.getItemById('registrationId');
 | |
|       if (item) {
 | |
|         return item.value;
 | |
|       }
 | |
| 
 | |
|       return 1;
 | |
|     },
 | |
| 
 | |
|     // PreKeys
 | |
| 
 | |
|     async loadPreKey(keyId) {
 | |
|       const key = this.preKeys[keyId];
 | |
|       if (key) {
 | |
|         window.log.info('Successfully fetched prekey:', keyId);
 | |
|         return {
 | |
|           pubKey: key.publicKey,
 | |
|           privKey: key.privateKey,
 | |
|         };
 | |
|       }
 | |
| 
 | |
|       window.log.error('Failed to fetch prekey:', keyId);
 | |
|       return undefined;
 | |
|     },
 | |
|     async loadPreKeyForContact(contactPubKey) {
 | |
|       const key = await window.Signal.Data.getPreKeyByRecipient(contactPubKey);
 | |
| 
 | |
|       if (key) {
 | |
|         window.log.info(
 | |
|           'Successfully fetched prekey for recipient:',
 | |
|           contactPubKey
 | |
|         );
 | |
|         return {
 | |
|           pubKey: key.publicKey,
 | |
|           privKey: key.privateKey,
 | |
|           keyId: key.id,
 | |
|           recipient: key.recipient,
 | |
|         };
 | |
|       }
 | |
| 
 | |
|       return undefined;
 | |
|     },
 | |
|     async storePreKey(keyId, keyPair, contactPubKey) {
 | |
|       const data = {
 | |
|         id: keyId,
 | |
|         publicKey: keyPair.pubKey,
 | |
|         privateKey: keyPair.privKey,
 | |
|         recipient: contactPubKey,
 | |
|       };
 | |
| 
 | |
|       this.preKeys[keyId] = data;
 | |
|       await window.Signal.Data.createOrUpdatePreKey(data);
 | |
|     },
 | |
|     async removePreKey(keyId) {
 | |
|       try {
 | |
|         this.trigger('removePreKey');
 | |
|       } catch (error) {
 | |
|         window.log.error(
 | |
|           'removePreKey error triggering removePreKey:',
 | |
|           error && error.stack ? error.stack : error
 | |
|         );
 | |
|       }
 | |
| 
 | |
|       delete this.preKeys[keyId];
 | |
|       await window.Signal.Data.removePreKeyById(keyId);
 | |
|     },
 | |
|     async clearPreKeyStore() {
 | |
|       this.preKeys = Object.create(null);
 | |
|       await window.Signal.Data.removeAllPreKeys();
 | |
|     },
 | |
| 
 | |
|     // Signed PreKeys
 | |
|     /* Returns a signed keypair object or undefined */
 | |
|     async loadSignedPreKey(keyId) {
 | |
|       const key = this.signedPreKeys[keyId];
 | |
|       if (key) {
 | |
|         window.log.info('Successfully fetched signed prekey:', key.id);
 | |
|         return {
 | |
|           pubKey: key.publicKey,
 | |
|           privKey: key.privateKey,
 | |
|           created_at: key.created_at,
 | |
|           keyId: key.id,
 | |
|           confirmed: key.confirmed,
 | |
|           signature: key.signature,
 | |
|         };
 | |
|       }
 | |
| 
 | |
|       window.log.error('Failed to fetch signed prekey:', keyId);
 | |
|       return undefined;
 | |
|     },
 | |
|     async loadSignedPreKeys() {
 | |
|       if (arguments.length > 0) {
 | |
|         throw new Error('loadSignedPreKeys takes no arguments');
 | |
|       }
 | |
| 
 | |
|       const keys = Object.values(this.signedPreKeys);
 | |
|       return keys.map(prekey => ({
 | |
|         pubKey: prekey.publicKey,
 | |
|         privKey: prekey.privateKey,
 | |
|         created_at: prekey.created_at,
 | |
|         keyId: prekey.id,
 | |
|         confirmed: prekey.confirmed,
 | |
|         signature: prekey.signature,
 | |
|       }));
 | |
|     },
 | |
|     async storeSignedPreKey(keyId, keyPair, confirmed, signature) {
 | |
|       const data = {
 | |
|         id: keyId,
 | |
|         publicKey: keyPair.pubKey,
 | |
|         privateKey: keyPair.privKey,
 | |
|         created_at: Date.now(),
 | |
|         confirmed: Boolean(confirmed),
 | |
|         signature,
 | |
|       };
 | |
| 
 | |
|       this.signedPreKeys[keyId] = data;
 | |
|       await window.Signal.Data.createOrUpdateSignedPreKey(data);
 | |
|     },
 | |
|     async removeSignedPreKey(keyId) {
 | |
|       delete this.signedPreKeys[keyId];
 | |
|       await window.Signal.Data.removeSignedPreKeyById(keyId);
 | |
|     },
 | |
|     async clearSignedPreKeysStore() {
 | |
|       this.signedPreKeys = Object.create(null);
 | |
|       await window.Signal.Data.removeAllSignedPreKeys();
 | |
|     },
 | |
| 
 | |
|     // Sessions
 | |
| 
 | |
|     async loadSession(encodedNumber) {
 | |
|       if (encodedNumber === null || encodedNumber === undefined) {
 | |
|         throw new Error('Tried to get session for undefined/null number');
 | |
|       }
 | |
| 
 | |
|       const session = this.sessions[encodedNumber];
 | |
|       if (session) {
 | |
|         return session.record;
 | |
|       }
 | |
| 
 | |
|       return undefined;
 | |
|     },
 | |
|     async storeSession(encodedNumber, record) {
 | |
|       if (encodedNumber === null || encodedNumber === undefined) {
 | |
|         throw new Error('Tried to put session for undefined/null number');
 | |
|       }
 | |
|       const unencoded = textsecure.utils.unencodeNumber(encodedNumber);
 | |
|       const number = unencoded[0];
 | |
|       const deviceId = parseInt(unencoded[1], 10);
 | |
| 
 | |
|       const data = {
 | |
|         id: encodedNumber,
 | |
|         number,
 | |
|         deviceId,
 | |
|         record,
 | |
|       };
 | |
| 
 | |
|       this.sessions[encodedNumber] = data;
 | |
|       await window.Signal.Data.createOrUpdateSession(data);
 | |
|     },
 | |
|     async getDeviceIds(number) {
 | |
|       if (number === null || number === undefined) {
 | |
|         throw new Error('Tried to get device ids for undefined/null number');
 | |
|       }
 | |
| 
 | |
|       const allSessions = Object.values(this.sessions);
 | |
|       const sessions = allSessions.filter(session => session.number === number);
 | |
|       return _.pluck(sessions, 'deviceId');
 | |
|     },
 | |
|     async removeSession(encodedNumber) {
 | |
|       window.log.info('deleting session for ', encodedNumber);
 | |
|       delete this.sessions[encodedNumber];
 | |
|       await window.Signal.Data.removeSessionById(encodedNumber);
 | |
|     },
 | |
|     async removeAllSessions(number) {
 | |
|       if (number === null || number === undefined) {
 | |
|         throw new Error('Tried to remove sessions for undefined/null number');
 | |
|       }
 | |
| 
 | |
|       const allSessions = Object.values(this.sessions);
 | |
|       for (let i = 0, max = allSessions.length; i < max; i += 1) {
 | |
|         const session = allSessions[i];
 | |
|         if (session.number === number) {
 | |
|           delete this.sessions[session.id];
 | |
|         }
 | |
|       }
 | |
|       await window.Signal.Data.removeSessionsByNumber(number);
 | |
|     },
 | |
|     async archiveSiblingSessions(identifier) {
 | |
|       const address = libsignal.SignalProtocolAddress.fromString(identifier);
 | |
| 
 | |
|       const deviceIds = await this.getDeviceIds(address.getName());
 | |
|       const siblings = _.without(deviceIds, address.getDeviceId());
 | |
| 
 | |
|       await Promise.all(
 | |
|         siblings.map(async deviceId => {
 | |
|           const sibling = new libsignal.SignalProtocolAddress(
 | |
|             address.getName(),
 | |
|             deviceId
 | |
|           );
 | |
|           window.log.info('closing session for', sibling.toString());
 | |
|           const sessionCipher = new libsignal.SessionCipher(
 | |
|             textsecure.storage.protocol,
 | |
|             sibling
 | |
|           );
 | |
|           await sessionCipher.closeOpenSessionForDevice();
 | |
|         })
 | |
|       );
 | |
|     },
 | |
|     async archiveAllSessions(number) {
 | |
|       const deviceIds = await this.getDeviceIds(number);
 | |
| 
 | |
|       await Promise.all(
 | |
|         deviceIds.map(async deviceId => {
 | |
|           const address = new libsignal.SignalProtocolAddress(number, deviceId);
 | |
|           window.log.info('closing session for', address.toString());
 | |
|           const sessionCipher = new libsignal.SessionCipher(
 | |
|             textsecure.storage.protocol,
 | |
|             address
 | |
|           );
 | |
|           await sessionCipher.closeOpenSessionForDevice();
 | |
|         })
 | |
|       );
 | |
|     },
 | |
|     async clearSessionStore() {
 | |
|       this.sessions = Object.create(null);
 | |
|       window.Signal.Data.removeAllSessions();
 | |
|     },
 | |
| 
 | |
|     // Identity Keys
 | |
| 
 | |
|     async isTrustedIdentity(identifier, publicKey, direction) {
 | |
|       if (identifier === null || identifier === undefined) {
 | |
|         throw new Error('Tried to get identity key for undefined/null key');
 | |
|       }
 | |
|       const number = textsecure.utils.unencodeNumber(identifier)[0];
 | |
|       const isOurNumber = number === textsecure.storage.user.getNumber();
 | |
| 
 | |
|       const identityRecord = this.identityKeys[number];
 | |
| 
 | |
|       if (isOurNumber) {
 | |
|         const existing = identityRecord ? identityRecord.publicKey : null;
 | |
|         return equalArrayBuffers(existing, publicKey);
 | |
|       }
 | |
| 
 | |
|       switch (direction) {
 | |
|         case Direction.SENDING:
 | |
|           return this.isTrustedForSending(publicKey, identityRecord);
 | |
|         case Direction.RECEIVING:
 | |
|           return true;
 | |
|         default:
 | |
|           throw new Error(`Unknown direction: ${direction}`);
 | |
|       }
 | |
|     },
 | |
|     isTrustedForSending(publicKey, identityRecord) {
 | |
|       if (!identityRecord) {
 | |
|         window.log.info(
 | |
|           'isTrustedForSending: No previous record, returning true...'
 | |
|         );
 | |
|         return true;
 | |
|       }
 | |
| 
 | |
|       const existing = identityRecord.publicKey;
 | |
| 
 | |
|       if (!existing) {
 | |
|         window.log.info('isTrustedForSending: Nothing here, returning true...');
 | |
|         return true;
 | |
|       }
 | |
|       if (!equalArrayBuffers(existing, publicKey)) {
 | |
|         window.log.info("isTrustedForSending: Identity keys don't match...");
 | |
|         return false;
 | |
|       }
 | |
|       if (identityRecord.verified === VerifiedStatus.UNVERIFIED) {
 | |
|         window.log.error('Needs unverified approval!');
 | |
|         return false;
 | |
|       }
 | |
|       if (this.isNonBlockingApprovalRequired(identityRecord)) {
 | |
|         window.log.error('isTrustedForSending: Needs non-blocking approval!');
 | |
|         return false;
 | |
|       }
 | |
| 
 | |
|       return true;
 | |
|     },
 | |
|     async loadIdentityKey(identifier) {
 | |
|       if (identifier === null || identifier === undefined) {
 | |
|         throw new Error('Tried to get identity key for undefined/null key');
 | |
|       }
 | |
|       const number = textsecure.utils.unencodeNumber(identifier)[0];
 | |
|       const identityRecord = this.identityKeys[number];
 | |
| 
 | |
|       if (identityRecord) {
 | |
|         return identityRecord.publicKey;
 | |
|       }
 | |
| 
 | |
|       return undefined;
 | |
|     },
 | |
|     async _saveIdentityKey(data) {
 | |
|       const { id } = data;
 | |
|       this.identityKeys[id] = data;
 | |
|       await window.Signal.Data.createOrUpdateIdentityKey(data);
 | |
|     },
 | |
|     async saveIdentity(identifier, publicKey, nonblockingApproval) {
 | |
|       if (identifier === null || identifier === undefined) {
 | |
|         throw new Error('Tried to put identity key for undefined/null key');
 | |
|       }
 | |
|       if (!(publicKey instanceof ArrayBuffer)) {
 | |
|         // eslint-disable-next-line no-param-reassign
 | |
|         publicKey = convertToArrayBuffer(publicKey);
 | |
|       }
 | |
|       if (typeof nonblockingApproval !== 'boolean') {
 | |
|         // eslint-disable-next-line no-param-reassign
 | |
|         nonblockingApproval = false;
 | |
|       }
 | |
| 
 | |
|       const number = textsecure.utils.unencodeNumber(identifier)[0];
 | |
|       const identityRecord = this.identityKeys[number];
 | |
| 
 | |
|       if (!identityRecord || !identityRecord.publicKey) {
 | |
|         // Lookup failed, or the current key was removed, so save this one.
 | |
|         window.log.info('Saving new identity...');
 | |
|         await this._saveIdentityKey({
 | |
|           id: number,
 | |
|           publicKey,
 | |
|           firstUse: true,
 | |
|           timestamp: Date.now(),
 | |
|           verified: VerifiedStatus.DEFAULT,
 | |
|           nonblockingApproval,
 | |
|         });
 | |
| 
 | |
|         return false;
 | |
|       }
 | |
| 
 | |
|       const oldpublicKey = identityRecord.publicKey;
 | |
|       if (!equalArrayBuffers(oldpublicKey, publicKey)) {
 | |
|         window.log.info('Replacing existing identity...');
 | |
|         const previousStatus = identityRecord.verified;
 | |
|         let verifiedStatus;
 | |
|         if (
 | |
|           previousStatus === VerifiedStatus.VERIFIED ||
 | |
|           previousStatus === VerifiedStatus.UNVERIFIED
 | |
|         ) {
 | |
|           verifiedStatus = VerifiedStatus.UNVERIFIED;
 | |
|         } else {
 | |
|           verifiedStatus = VerifiedStatus.DEFAULT;
 | |
|         }
 | |
| 
 | |
|         await this._saveIdentityKey({
 | |
|           id: number,
 | |
|           publicKey,
 | |
|           firstUse: false,
 | |
|           timestamp: Date.now(),
 | |
|           verified: verifiedStatus,
 | |
|           nonblockingApproval,
 | |
|         });
 | |
| 
 | |
|         try {
 | |
|           this.trigger('keychange', number);
 | |
|         } catch (error) {
 | |
|           window.log.error(
 | |
|             'saveIdentity error triggering keychange:',
 | |
|             error && error.stack ? error.stack : error
 | |
|           );
 | |
|         }
 | |
|         await this.archiveSiblingSessions(identifier);
 | |
| 
 | |
|         return true;
 | |
|       } else if (this.isNonBlockingApprovalRequired(identityRecord)) {
 | |
|         window.log.info('Setting approval status...');
 | |
| 
 | |
|         identityRecord.nonblockingApproval = nonblockingApproval;
 | |
|         await this._saveIdentityKey(identityRecord);
 | |
| 
 | |
|         return false;
 | |
|       }
 | |
| 
 | |
|       return false;
 | |
|     },
 | |
|     isNonBlockingApprovalRequired(identityRecord) {
 | |
|       return (
 | |
|         !identityRecord.firstUse &&
 | |
|         Date.now() - identityRecord.timestamp < TIMESTAMP_THRESHOLD &&
 | |
|         !identityRecord.nonblockingApproval
 | |
|       );
 | |
|     },
 | |
|     async saveIdentityWithAttributes(identifier, attributes) {
 | |
|       if (identifier === null || identifier === undefined) {
 | |
|         throw new Error('Tried to put identity key for undefined/null key');
 | |
|       }
 | |
| 
 | |
|       const number = textsecure.utils.unencodeNumber(identifier)[0];
 | |
|       const identityRecord = this.identityKeys[number];
 | |
| 
 | |
|       const updates = {
 | |
|         id: number,
 | |
|         ...identityRecord,
 | |
|         ...attributes,
 | |
|       };
 | |
| 
 | |
|       const model = new IdentityRecord(updates);
 | |
|       if (model.isValid()) {
 | |
|         await this._saveIdentityKey(updates);
 | |
|       } else {
 | |
|         throw model.validationError;
 | |
|       }
 | |
|     },
 | |
|     async setApproval(identifier, nonblockingApproval) {
 | |
|       if (identifier === null || identifier === undefined) {
 | |
|         throw new Error('Tried to set approval for undefined/null identifier');
 | |
|       }
 | |
|       if (typeof nonblockingApproval !== 'boolean') {
 | |
|         throw new Error('Invalid approval status');
 | |
|       }
 | |
| 
 | |
|       const number = textsecure.utils.unencodeNumber(identifier)[0];
 | |
|       const identityRecord = this.identityKeys[number];
 | |
| 
 | |
|       if (!identityRecord) {
 | |
|         throw new Error(`No identity record for ${number}`);
 | |
|       }
 | |
| 
 | |
|       identityRecord.nonblockingApproval = nonblockingApproval;
 | |
|       await this._saveIdentityKey(identityRecord);
 | |
|     },
 | |
|     async setVerified(number, verifiedStatus, publicKey) {
 | |
|       if (number === null || number === undefined) {
 | |
|         throw new Error('Tried to set verified for undefined/null key');
 | |
|       }
 | |
|       if (!validateVerifiedStatus(verifiedStatus)) {
 | |
|         throw new Error('Invalid verified status');
 | |
|       }
 | |
|       if (arguments.length > 2 && !(publicKey instanceof ArrayBuffer)) {
 | |
|         throw new Error('Invalid public key');
 | |
|       }
 | |
| 
 | |
|       const identityRecord = this.identityKeys[number];
 | |
|       if (!identityRecord) {
 | |
|         throw new Error(`No identity record for ${number}`);
 | |
|       }
 | |
| 
 | |
|       if (
 | |
|         !publicKey ||
 | |
|         equalArrayBuffers(identityRecord.publicKey, publicKey)
 | |
|       ) {
 | |
|         identityRecord.verified = verifiedStatus;
 | |
| 
 | |
|         const model = new IdentityRecord(identityRecord);
 | |
|         if (model.isValid()) {
 | |
|           await this._saveIdentityKey(identityRecord);
 | |
|         } else {
 | |
|           throw identityRecord.validationError;
 | |
|         }
 | |
|       } else {
 | |
|         window.log.info('No identity record for specified publicKey');
 | |
|       }
 | |
|     },
 | |
|     async getVerified(number) {
 | |
|       if (number === null || number === undefined) {
 | |
|         throw new Error('Tried to set verified for undefined/null key');
 | |
|       }
 | |
| 
 | |
|       const identityRecord = this.identityKeys[number];
 | |
|       if (!identityRecord) {
 | |
|         throw new Error(`No identity record for ${number}`);
 | |
|       }
 | |
| 
 | |
|       const verifiedStatus = identityRecord.verified;
 | |
|       if (validateVerifiedStatus(verifiedStatus)) {
 | |
|         return verifiedStatus;
 | |
|       }
 | |
| 
 | |
|       return VerifiedStatus.DEFAULT;
 | |
|     },
 | |
|     // Resolves to true if a new identity key was saved
 | |
|     processContactSyncVerificationState(identifier, verifiedStatus, publicKey) {
 | |
|       if (verifiedStatus === VerifiedStatus.UNVERIFIED) {
 | |
|         return this.processUnverifiedMessage(
 | |
|           identifier,
 | |
|           verifiedStatus,
 | |
|           publicKey
 | |
|         );
 | |
|       }
 | |
|       return this.processVerifiedMessage(identifier, verifiedStatus, publicKey);
 | |
|     },
 | |
|     // This function encapsulates the non-Java behavior, since the mobile apps don't
 | |
|     //   currently receive contact syncs and therefore will see a verify sync with
 | |
|     //   UNVERIFIED status
 | |
|     async processUnverifiedMessage(number, verifiedStatus, publicKey) {
 | |
|       if (number === null || number === undefined) {
 | |
|         throw new Error('Tried to set verified for undefined/null key');
 | |
|       }
 | |
|       if (publicKey !== undefined && !(publicKey instanceof ArrayBuffer)) {
 | |
|         throw new Error('Invalid public key');
 | |
|       }
 | |
| 
 | |
|       const identityRecord = this.identityKeys[number];
 | |
|       const isPresent = Boolean(identityRecord);
 | |
|       let isEqual = false;
 | |
| 
 | |
|       if (isPresent && publicKey) {
 | |
|         isEqual = equalArrayBuffers(publicKey, identityRecord.publicKey);
 | |
|       }
 | |
| 
 | |
|       if (
 | |
|         isPresent &&
 | |
|         isEqual &&
 | |
|         identityRecord.verified !== VerifiedStatus.UNVERIFIED
 | |
|       ) {
 | |
|         await textsecure.storage.protocol.setVerified(
 | |
|           number,
 | |
|           verifiedStatus,
 | |
|           publicKey
 | |
|         );
 | |
|         return false;
 | |
|       }
 | |
| 
 | |
|       if (!isPresent || !isEqual) {
 | |
|         await textsecure.storage.protocol.saveIdentityWithAttributes(number, {
 | |
|           publicKey,
 | |
|           verified: verifiedStatus,
 | |
|           firstUse: false,
 | |
|           timestamp: Date.now(),
 | |
|           nonblockingApproval: true,
 | |
|         });
 | |
| 
 | |
|         if (isPresent && !isEqual) {
 | |
|           try {
 | |
|             this.trigger('keychange', number);
 | |
|           } catch (error) {
 | |
|             window.log.error(
 | |
|               'processUnverifiedMessage error triggering keychange:',
 | |
|               error && error.stack ? error.stack : error
 | |
|             );
 | |
|           }
 | |
| 
 | |
|           await this.archiveAllSessions(number);
 | |
| 
 | |
|           return true;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       // The situation which could get us here is:
 | |
|       //   1. had a previous key
 | |
|       //   2. new key is the same
 | |
|       //   3. desired new status is same as what we had before
 | |
|       return false;
 | |
|     },
 | |
|     // This matches the Java method as of
 | |
|     //   https://github.com/signalapp/Signal-Android/blob/d0bb68e1378f689e4d10ac6a46014164992ca4e4/src/org/thoughtcrime/securesms/util/IdentityUtil.java#L188
 | |
|     async processVerifiedMessage(number, verifiedStatus, publicKey) {
 | |
|       if (number === null || number === undefined) {
 | |
|         throw new Error('Tried to set verified for undefined/null key');
 | |
|       }
 | |
|       if (!validateVerifiedStatus(verifiedStatus)) {
 | |
|         throw new Error('Invalid verified status');
 | |
|       }
 | |
|       if (publicKey !== undefined && !(publicKey instanceof ArrayBuffer)) {
 | |
|         throw new Error('Invalid public key');
 | |
|       }
 | |
| 
 | |
|       const identityRecord = this.identityKeys[number];
 | |
| 
 | |
|       const isPresent = Boolean(identityRecord);
 | |
|       let isEqual = false;
 | |
| 
 | |
|       if (isPresent && publicKey) {
 | |
|         isEqual = equalArrayBuffers(publicKey, identityRecord.publicKey);
 | |
|       }
 | |
| 
 | |
|       if (!isPresent && verifiedStatus === VerifiedStatus.DEFAULT) {
 | |
|         window.log.info('No existing record for default status');
 | |
|         return false;
 | |
|       }
 | |
| 
 | |
|       if (
 | |
|         isPresent &&
 | |
|         isEqual &&
 | |
|         identityRecord.verified !== VerifiedStatus.DEFAULT &&
 | |
|         verifiedStatus === VerifiedStatus.DEFAULT
 | |
|       ) {
 | |
|         await textsecure.storage.protocol.setVerified(
 | |
|           number,
 | |
|           verifiedStatus,
 | |
|           publicKey
 | |
|         );
 | |
|         return false;
 | |
|       }
 | |
| 
 | |
|       if (
 | |
|         verifiedStatus === VerifiedStatus.VERIFIED &&
 | |
|         (!isPresent ||
 | |
|           (isPresent && !isEqual) ||
 | |
|           (isPresent && identityRecord.verified !== VerifiedStatus.VERIFIED))
 | |
|       ) {
 | |
|         await textsecure.storage.protocol.saveIdentityWithAttributes(number, {
 | |
|           publicKey,
 | |
|           verified: verifiedStatus,
 | |
|           firstUse: false,
 | |
|           timestamp: Date.now(),
 | |
|           nonblockingApproval: true,
 | |
|         });
 | |
| 
 | |
|         if (isPresent && !isEqual) {
 | |
|           try {
 | |
|             this.trigger('keychange', number);
 | |
|           } catch (error) {
 | |
|             window.log.error(
 | |
|               'processVerifiedMessage error triggering keychange:',
 | |
|               error && error.stack ? error.stack : error
 | |
|             );
 | |
|           }
 | |
| 
 | |
|           await this.archiveAllSessions(number);
 | |
| 
 | |
|           // true signifies that we overwrote a previous key with a new one
 | |
|           return true;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       // We get here if we got a new key and the status is DEFAULT. If the
 | |
|       //   message is out of date, we don't want to lose whatever more-secure
 | |
|       //   state we had before.
 | |
|       return false;
 | |
|     },
 | |
|     async isUntrusted(number) {
 | |
|       if (number === null || number === undefined) {
 | |
|         throw new Error('Tried to set verified for undefined/null key');
 | |
|       }
 | |
| 
 | |
|       const identityRecord = this.identityKeys[number];
 | |
|       if (!identityRecord) {
 | |
|         throw new Error(`No identity record for ${number}`);
 | |
|       }
 | |
| 
 | |
|       if (
 | |
|         Date.now() - identityRecord.timestamp < TIMESTAMP_THRESHOLD &&
 | |
|         !identityRecord.nonblockingApproval &&
 | |
|         !identityRecord.firstUse
 | |
|       ) {
 | |
|         return true;
 | |
|       }
 | |
| 
 | |
|       return false;
 | |
|     },
 | |
|     async removeIdentityKey(number) {
 | |
|       delete this.identityKeys[number];
 | |
|       await window.Signal.Data.removeIdentityKeyById(number);
 | |
|       await textsecure.storage.protocol.removeAllSessions(number);
 | |
|     },
 | |
| 
 | |
|     // Not yet processed messages - for resiliency
 | |
|     getUnprocessedCount() {
 | |
|       return window.Signal.Data.getUnprocessedCount();
 | |
|     },
 | |
|     getAllUnprocessed() {
 | |
|       return window.Signal.Data.getAllUnprocessed();
 | |
|     },
 | |
|     getUnprocessedById(id) {
 | |
|       return window.Signal.Data.getUnprocessedById(id);
 | |
|     },
 | |
|     addUnprocessed(data) {
 | |
|       // We need to pass forceSave because the data has an id already, which will cause
 | |
|       //   an update instead of an insert.
 | |
|       return window.Signal.Data.saveUnprocessed(data, {
 | |
|         forceSave: true,
 | |
|       });
 | |
|     },
 | |
|     updateUnprocessedAttempts(id, attempts) {
 | |
|       return window.Signal.Data.updateUnprocessedAttempts(id, attempts);
 | |
|     },
 | |
|     updateUnprocessedWithData(id, data) {
 | |
|       return window.Signal.Data.updateUnprocessedWithData(id, data);
 | |
|     },
 | |
|     removeUnprocessed(id) {
 | |
|       return window.Signal.Data.removeUnprocessed(id);
 | |
|     },
 | |
|     removeAllUnprocessed() {
 | |
|       return window.Signal.Data.removeAllUnprocessed();
 | |
|     },
 | |
|     async removeAllData() {
 | |
|       await window.Signal.Data.removeAll();
 | |
|       await this.hydrateCaches();
 | |
| 
 | |
|       window.storage.reset();
 | |
|       await window.storage.fetch();
 | |
| 
 | |
|       ConversationController.reset();
 | |
|       BlockedNumberController.reset();
 | |
|       await ConversationController.load();
 | |
|       await BlockedNumberController.load();
 | |
|     },
 | |
|     async removeAllConfiguration() {
 | |
|       await window.Signal.Data.removeAllConfiguration();
 | |
|       await this.hydrateCaches();
 | |
| 
 | |
|       window.storage.reset();
 | |
|       await window.storage.fetch();
 | |
|     },
 | |
|   };
 | |
|   _.extend(SignalProtocolStore.prototype, Backbone.Events);
 | |
| 
 | |
|   window.SignalProtocolStore = SignalProtocolStore;
 | |
|   window.SignalProtocolStore.prototype.Direction = Direction;
 | |
|   window.SignalProtocolStore.prototype.VerifiedStatus = VerifiedStatus;
 | |
| })();
 |