BREAKING: update mautrix to 0.15.x

This commit is contained in:
Aine
2023-06-01 14:32:20 +00:00
parent a6b20a75ab
commit 2bdb8ca635
222 changed files with 7851 additions and 23986 deletions

View File

@@ -1,5 +1,5 @@
// Copyright (c) 2020 Nikos Filippakis
// Copyright (c) 2022 Tulir Asokan
// Copyright (c) 2023 Tulir Asokan
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -8,52 +8,72 @@
package crypto
import (
"context"
"maunium.net/go/mautrix/id"
)
// ResolveTrust resolves the trust state of the device from cross-signing.
func (mach *OlmMachine) ResolveTrust(device *id.Device) id.TrustState {
state, _ := mach.ResolveTrustContext(context.Background(), device)
return state
}
// ResolveTrustContext resolves the trust state of the device from cross-signing.
func (mach *OlmMachine) ResolveTrustContext(ctx context.Context, device *id.Device) (id.TrustState, error) {
if device.Trust == id.TrustStateVerified || device.Trust == id.TrustStateBlacklisted {
return device.Trust
return device.Trust, nil
}
theirKeys, err := mach.CryptoStore.GetCrossSigningKeys(device.UserID)
if err != nil {
mach.Log.Error("Error retrieving cross-singing key of user %v from database: %v", device.UserID, err)
return id.TrustStateUnset
mach.machOrContextLog(ctx).Error().Err(err).
Str("user_id", device.UserID.String()).
Msg("Error retrieving cross-signing key of user from database")
return id.TrustStateUnset, err
}
theirMSK, ok := theirKeys[id.XSUsageMaster]
if !ok {
mach.Log.Error("Master key of user %v not found", device.UserID)
return id.TrustStateUnset
mach.machOrContextLog(ctx).Error().
Str("user_id", device.UserID.String()).
Msg("Master key of user not found")
return id.TrustStateUnset, nil
}
theirSSK, ok := theirKeys[id.XSUsageSelfSigning]
if !ok {
mach.Log.Error("Self-signing key of user %v not found", device.UserID)
return id.TrustStateUnset
mach.machOrContextLog(ctx).Error().
Str("user_id", device.UserID.String()).
Msg("Self-signing key of user not found")
return id.TrustStateUnset, nil
}
sskSigExists, err := mach.CryptoStore.IsKeySignedBy(device.UserID, theirSSK.Key, device.UserID, theirMSK.Key)
if err != nil {
mach.Log.Error("Error retrieving cross-singing signatures for master key of user %v from database: %v", device.UserID, err)
return id.TrustStateUnset
mach.machOrContextLog(ctx).Error().Err(err).
Str("user_id", device.UserID.String()).
Msg("Error retrieving cross-signing signatures for master key of user from database")
return id.TrustStateUnset, err
}
if !sskSigExists {
mach.Log.Warn("Self-signing key of user %v is not signed by their master key", device.UserID)
return id.TrustStateUnset
mach.machOrContextLog(ctx).Error().
Str("user_id", device.UserID.String()).
Msg("Self-signing key of user is not signed by their master key")
return id.TrustStateUnset, nil
}
deviceSigExists, err := mach.CryptoStore.IsKeySignedBy(device.UserID, device.SigningKey, device.UserID, theirSSK.Key)
if err != nil {
mach.Log.Error("Error retrieving cross-singing signatures for master key of user %v from database: %v", device.UserID, err)
return id.TrustStateUnset
mach.machOrContextLog(ctx).Error().Err(err).
Str("user_id", device.UserID.String()).
Str("device_key", device.SigningKey.String()).
Msg("Error retrieving cross-signing signatures for device from database")
return id.TrustStateUnset, err
}
if deviceSigExists {
if mach.IsUserTrusted(device.UserID) {
return id.TrustStateCrossSignedVerified
if trusted, err := mach.IsUserTrusted(ctx, device.UserID); !trusted {
return id.TrustStateCrossSignedVerified, err
} else if theirMSK.Key == theirMSK.First {
return id.TrustStateCrossSignedTOFU
return id.TrustStateCrossSignedTOFU, nil
}
return id.TrustStateCrossSignedUntrusted
return id.TrustStateCrossSignedUntrusted, nil
}
return id.TrustStateUnset
return id.TrustStateUnset, nil
}
// IsDeviceTrusted returns whether a device has been determined to be trusted either through verification or cross-signing.
@@ -68,36 +88,42 @@ func (mach *OlmMachine) IsDeviceTrusted(device *id.Device) bool {
// IsUserTrusted returns whether a user has been determined to be trusted by our user-signing key having signed their master key.
// In the case the user ID is our own and we have successfully retrieved our cross-signing keys, we trust our own user.
func (mach *OlmMachine) IsUserTrusted(userID id.UserID) bool {
func (mach *OlmMachine) IsUserTrusted(ctx context.Context, userID id.UserID) (bool, error) {
csPubkeys := mach.GetOwnCrossSigningPublicKeys()
if csPubkeys == nil {
return false
return false, nil
}
if userID == mach.Client.UserID {
return true
return true, nil
}
// first we verify our user-signing key
ourUserSigningKeyTrusted, err := mach.CryptoStore.IsKeySignedBy(mach.Client.UserID, csPubkeys.UserSigningKey, mach.Client.UserID, csPubkeys.MasterKey)
if err != nil {
mach.Log.Error("Error retrieving our self-singing key signatures: %v", err)
return false
mach.machOrContextLog(ctx).Error().Err(err).Msg("Error retrieving our self-signing key signatures from database")
return false, err
} else if !ourUserSigningKeyTrusted {
return false
return false, nil
}
theirKeys, err := mach.CryptoStore.GetCrossSigningKeys(userID)
if err != nil {
mach.Log.Error("Error retrieving cross-singing key of user %v from database: %v", userID, err)
return false
mach.machOrContextLog(ctx).Error().Err(err).
Str("user_id", userID.String()).
Msg("Error retrieving cross-signing key of user from database")
return false, err
}
theirMskKey, ok := theirKeys[id.XSUsageMaster]
if !ok {
mach.Log.Error("Master key of user %v not found", userID)
return false
mach.machOrContextLog(ctx).Error().
Str("user_id", userID.String()).
Msg("Master key of user not found")
return false, nil
}
sigExists, err := mach.CryptoStore.IsKeySignedBy(userID, theirMskKey.Key, mach.Client.UserID, csPubkeys.UserSigningKey)
if err != nil {
mach.Log.Error("Error retrieving cross-singing signatures for master key of user %v from database: %v", userID, err)
return false
mach.machOrContextLog(ctx).Error().Err(err).
Str("user_id", userID.String()).
Msg("Error retrieving cross-signing signatures for master key of user from database")
return false, err
}
return sigExists
return sigExists, nil
}