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71 lines
2.3 KiB
JavaScript
71 lines
2.3 KiB
JavaScript
/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @property {object} event the plaintext event (type and content property)
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* @property {string} senderCurve25519Key the curve25519 sender key of the olm event
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* @property {string} claimedEd25519Key The ed25519 fingerprint key retrieved from the decryption payload.
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* The sender of the olm event claims this is the ed25519 fingerprint key
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* that matches the curve25519 sender key.
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* The caller needs to check if this key does indeed match the senderKey
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* for a device with a valid signature returned from /keys/query,
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* see DeviceTracker
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*/
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export class DecryptionResult {
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constructor(event, senderCurve25519Key, claimedKeys) {
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this.event = event;
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this.senderCurve25519Key = senderCurve25519Key;
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this.claimedEd25519Key = claimedKeys.ed25519;
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this._device = null;
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this._roomTracked = true;
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}
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setDevice(device) {
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this._device = device;
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}
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setRoomNotTrackedYet() {
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this._roomTracked = false;
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}
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get isVerified() {
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if (this._device) {
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const comesFromDevice = this._device.ed25519Key === this.claimedEd25519Key;
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return comesFromDevice;
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}
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return false;
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}
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get isUnverified() {
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if (this._device) {
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return !this.isVerified;
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} else if (this.isVerificationUnknown) {
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return false;
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} else {
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return true;
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}
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}
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get isVerificationUnknown() {
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// verification is unknown if we haven't yet fetched the devices for the room
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return !this._device && !this._roomTracked;
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}
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}
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