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Use cross-signing verification only for own devices

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The device verification checks are slightly more nuanced: we want to use
stricter cross-signing checks for your own devices to encourage everyone to
trust their devices via cross-signing so that other users can in turn trust
them.

However, for other users, it's okay to use the looser verification check that
also includes locally verified devices.
This commit is contained in:
J. Ryan Stinnett 2020-01-21 12:03:46 +00:00
parent a7231d7336
commit b3d56b378e
1 changed files with 22 additions and 3 deletions
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25
src/components/views/right_panel/UserInfo.js
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@ -64,10 +64,17 @@ const _getE2EStatus = (cli, userId, devices) => {
const hasUnverifiedDevice = devices.some((device) => device.isUnverified());
return hasUnverifiedDevice ? "warning" : "verified";
}
const isMe = userId === cli.getUserId();
const userVerified = cli.checkUserTrust(userId).isCrossSigningVerified();
const allDevicesVerified = devices.every(device => {
const { deviceId } = device;
return cli.checkDeviceTrust(userId, deviceId).isCrossSigningVerified();
// For your own devices, we use the stricter check of cross-signing
// verification to encourage everyone to trust their own devices via
// cross-signing so that other users can then safely trust you.
// For other people's devices, the more general verified check that
// includes locally verified devices can be used.
const deviceTrust = cli.checkDeviceTrust(userId, deviceId);
return isMe ? deviceTrust.isCrossSigningVerified() : deviceTrust.isVerified();
});
if (allDevicesVerified) {
return userVerified ? "verified" : "normal";
@ -128,8 +135,14 @@ function verifyUser(user) {
function DeviceItem({userId, device}) {
const cli = useContext(MatrixClientContext);
const isMe = userId === cli.getUserId();
const deviceTrust = cli.checkDeviceTrust(userId, device.deviceId);
const isVerified = SettingsStore.isFeatureEnabled("feature_cross_signing") ?
// For your own devices, we use the stricter check of cross-signing
// verification to encourage everyone to trust their own devices via
// cross-signing so that other users can then safely trust you.
// For other people's devices, the more general verified check that
// includes locally verified devices can be used.
const isVerified = (isMe && SettingsStore.isFeatureEnabled("feature_cross_signing")) ?
deviceTrust.isCrossSigningVerified() :
deviceTrust.isVerified();
@ -172,6 +185,7 @@ function DevicesSection({devices, userId, loading}) {
if (devices === null) {
return _t("Unable to load device list");
}
const isMe = userId === cli.getUserId();
const deviceTrusts = devices.map(d => cli.checkDeviceTrust(userId, d.deviceId));
const unverifiedDevices = [];
@ -180,7 +194,12 @@ function DevicesSection({devices, userId, loading}) {
for (let i = 0; i < devices.length; ++i) {
const device = devices[i];
const deviceTrust = deviceTrusts[i];
const isVerified = SettingsStore.isFeatureEnabled("feature_cross_signing") ?
// For your own devices, we use the stricter check of cross-signing
// verification to encourage everyone to trust their own devices via
// cross-signing so that other users can then safely trust you.
// For other people's devices, the more general verified check that
// includes locally verified devices can be used.
const isVerified = (isMe && SettingsStore.isFeatureEnabled("feature_cross_signing")) ?
deviceTrust.isCrossSigningVerified() :
deviceTrust.isVerified();