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log signature verification failure in logger, not console

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This commit is contained in:
Bruno Windels 2021-11-15 15:27:57 +01:00
parent 2afcddbf49
commit 2da450d69d
4 changed files with 13 additions and 8 deletions
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1
src/logging/LogItem.js
View File

@ -94,6 +94,7 @@ export class LogItem {
log(labelOrValues, logLevel = null) { log(labelOrValues, logLevel = null) {
const item = this.child(labelOrValues, logLevel, null); const item = this.child(labelOrValues, logLevel, null);
item._end = item._start; item._end = item._start;
return item;
} }
set(key, value) { set(key, value) {

6
src/matrix/e2ee/DeviceTracker.js
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@ -264,7 +264,7 @@ export class DeviceTracker {
return false; return false;
} }
curve25519Keys.add(curve25519Key); curve25519Keys.add(curve25519Key);
const isValid = this._hasValidSignature(deviceKeys); const isValid = this._hasValidSignature(deviceKeys, parentLog);
if (!isValid) { if (!isValid) {
parentLog.log({ parentLog.log({
l: "ignore device with invalid signature", l: "ignore device with invalid signature",
@ -279,11 +279,11 @@ export class DeviceTracker {
return verifiedKeys; return verifiedKeys;
} }
_hasValidSignature(deviceSection) { _hasValidSignature(deviceSection, parentLog) {
const deviceId = deviceSection["device_id"]; const deviceId = deviceSection["device_id"];
const userId = deviceSection["user_id"]; const userId = deviceSection["user_id"];
const ed25519Key = deviceSection?.keys?.[`${SIGNATURE_ALGORITHM}:${deviceId}`]; const ed25519Key = deviceSection?.keys?.[`${SIGNATURE_ALGORITHM}:${deviceId}`];
return verifyEd25519Signature(this._olmUtil, userId, deviceId, ed25519Key, deviceSection); return verifyEd25519Signature(this._olmUtil, userId, deviceId, ed25519Key, deviceSection, parentLog);
} }
/** /**

8
src/matrix/e2ee/common.js
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@ -35,7 +35,7 @@ export class DecryptionError extends Error {
export const SIGNATURE_ALGORITHM = "ed25519"; export const SIGNATURE_ALGORITHM = "ed25519";
export function verifyEd25519Signature(olmUtil, userId, deviceOrKeyId, ed25519Key, value) { export function verifyEd25519Signature(olmUtil, userId, deviceOrKeyId, ed25519Key, value, log = undefined) {
const clone = Object.assign({}, value); const clone = Object.assign({}, value);
delete clone.unsigned; delete clone.unsigned;
delete clone.signatures; delete clone.signatures;
@ -49,7 +49,11 @@ export function verifyEd25519Signature(olmUtil, userId, deviceOrKeyId, ed25519Ke
olmUtil.ed25519_verify(ed25519Key, canonicalJson, signature); olmUtil.ed25519_verify(ed25519Key, canonicalJson, signature);
return true; return true;
} catch (err) { } catch (err) {
console.warn("Invalid signature, ignoring.", ed25519Key, canonicalJson, signature, err); if (log) {
const logItem = log.log({l: "Invalid signature, ignoring.", ed25519Key, canonicalJson, signature});
logItem.error = err;
logItem.logLevel = log.level.Warn;
}
return false; return false;
} }
} }

6
src/matrix/e2ee/olm/Encryption.js
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@ -189,10 +189,10 @@ export class Encryption {
log.log({l: "failures", servers: Object.keys(claimResponse.failures)}, log.level.Warn); log.log({l: "failures", servers: Object.keys(claimResponse.failures)}, log.level.Warn);
} }
const userKeyMap = claimResponse?.["one_time_keys"]; const userKeyMap = claimResponse?.["one_time_keys"];
return this._verifyAndCreateOTKTargets(userKeyMap, devicesByUser); return this._verifyAndCreateOTKTargets(userKeyMap, devicesByUser, log);
} }
_verifyAndCreateOTKTargets(userKeyMap, devicesByUser) { _verifyAndCreateOTKTargets(userKeyMap, devicesByUser, log) {
const verifiedEncryptionTargets = []; const verifiedEncryptionTargets = [];
for (const [userId, userSection] of Object.entries(userKeyMap)) { for (const [userId, userSection] of Object.entries(userKeyMap)) {
for (const [deviceId, deviceSection] of Object.entries(userSection)) { for (const [deviceId, deviceSection] of Object.entries(userSection)) {
@ -202,7 +202,7 @@ export class Encryption {
const device = devicesByUser.get(userId)?.get(deviceId); const device = devicesByUser.get(userId)?.get(deviceId);
if (device) { if (device) {
const isValidSignature = verifyEd25519Signature( const isValidSignature = verifyEd25519Signature(
this._olmUtil, userId, deviceId, device.ed25519Key, keySection); this._olmUtil, userId, deviceId, device.ed25519Key, keySection, log);
if (isValidSignature) { if (isValidSignature) {
const target = EncryptionTarget.fromOTK(device, keySection.key); const target = EncryptionTarget.fromOTK(device, keySection.key);
verifiedEncryptionTargets.push(target); verifiedEncryptionTargets.push(target);