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62 changes: 62 additions & 0 deletions
62
...c/main/java/org/matrix/android/sdk/internal/crypto/model/MXInboundMegolmSessionWrapper.kt
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|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * Copyright 2022 The Matrix.org Foundation C.I.C. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.matrix.android.sdk.internal.crypto.model | ||
|
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| import org.matrix.android.sdk.api.crypto.MXCRYPTO_ALGORITHM_MEGOLM | ||
| import org.matrix.android.sdk.api.extensions.tryOrNull | ||
| import org.matrix.android.sdk.internal.crypto.MegolmSessionData | ||
| import org.matrix.olm.OlmInboundGroupSession | ||
| import timber.log.Timber | ||
|
|
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| data class MXInboundMegolmSessionWrapper( | ||
| // olm object | ||
| val session: OlmInboundGroupSession, | ||
| // data about the session | ||
| val sessionData: InboundGroupSessionData | ||
| ) { | ||
| // shortcut | ||
| val roomId = sessionData.roomId | ||
| val senderKey = sessionData.senderKey | ||
| val safeSessionId = tryOrNull("Fail to get megolm session Id") { session.sessionIdentifier() } | ||
|
|
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| /** | ||
| * Export the inbound group session keys. | ||
| * @param index the index to export. If null, the first known index will be used | ||
| * @return the inbound group session as MegolmSessionData if the operation succeeds | ||
| */ | ||
| internal fun exportKeys(index: Long? = null): MegolmSessionData? { | ||
| return try { | ||
| val keysClaimed = sessionData.keysClaimed ?: return null | ||
| val wantedIndex = index ?: session.firstKnownIndex | ||
|
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| MegolmSessionData( | ||
| senderClaimedEd25519Key = sessionData.keysClaimed?.get("ed25519"), | ||
| forwardingCurve25519KeyChain = sessionData.forwardingCurve25519KeyChain?.toList().orEmpty(), | ||
| sessionKey = session.export(wantedIndex), | ||
| senderClaimedKeys = keysClaimed, | ||
| roomId = sessionData.roomId, | ||
| sessionId = session.sessionIdentifier(), | ||
| senderKey = senderKey, | ||
| algorithm = MXCRYPTO_ALGORITHM_MEGOLM, | ||
| sharedHistory = sessionData.sharedHistory | ||
| ) | ||
| } catch (e: Exception) { | ||
| Timber.e(e, "## Failed to export megolm : sessionID ${tryOrNull { session.sessionIdentifier() }} failed") | ||
| null | ||
| } | ||
| } | ||
| } |
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44 changes: 44 additions & 0 deletions
44
...id/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/SafeObjectInputStream.kt
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2020 The Matrix.org Foundation C.I.C. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.matrix.android.sdk.internal.crypto.store.db | ||
|
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| import java.io.IOException | ||
| import java.io.InputStream | ||
| import java.io.ObjectInputStream | ||
| import java.io.ObjectStreamClass | ||
|
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| /** | ||
| * Package has been renamed from `im.vector.matrix.android` to `org.matrix.android.sdk` | ||
| * so ensure deserialization of previously stored objects still works | ||
| * | ||
| * Ref: https://stackoverflow.com/questions/3884492/how-can-i-change-package-for-a-bunch-of-java-serializable-classes | ||
| */ | ||
| internal class SafeObjectInputStream(inputStream: InputStream) : ObjectInputStream(inputStream) { | ||
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| init { | ||
| enableResolveObject(true) | ||
| } | ||
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| @Throws(IOException::class, ClassNotFoundException::class) | ||
| override fun readClassDescriptor(): ObjectStreamClass { | ||
| val read = super.readClassDescriptor() | ||
| if (read.name.startsWith("im.vector.matrix.android.")) { | ||
| return ObjectStreamClass.lookup(Class.forName(read.name.replace("im.vector.matrix.android.", "org.matrix.android.sdk."))) | ||
| } | ||
| return read | ||
| } | ||
| } |
113 changes: 113 additions & 0 deletions
113
...ava/org/matrix/android/sdk/internal/crypto/store/db/model/OlmInboundGroupSessionEntity.kt
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| /* | ||
| * Copyright 2020 The Matrix.org Foundation C.I.C. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.matrix.android.sdk.internal.crypto.store.db.model | ||
|
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| import io.realm.RealmObject | ||
| import io.realm.annotations.PrimaryKey | ||
| import org.matrix.android.sdk.internal.crypto.model.InboundGroupSessionData | ||
| import org.matrix.android.sdk.internal.crypto.model.MXInboundMegolmSessionWrapper | ||
| import org.matrix.android.sdk.internal.crypto.store.db.deserializeFromRealm | ||
| import org.matrix.android.sdk.internal.crypto.store.db.serializeForRealm | ||
| import org.matrix.android.sdk.internal.di.MoshiProvider | ||
| import org.matrix.olm.OlmInboundGroupSession | ||
| import timber.log.Timber | ||
|
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| internal fun OlmInboundGroupSessionEntity.Companion.createPrimaryKey(sessionId: String?, senderKey: String?) = "$sessionId|$senderKey" | ||
|
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| internal open class OlmInboundGroupSessionEntity( | ||
| // Combined value to build a primary key | ||
| @PrimaryKey var primaryKey: String? = null, | ||
|
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| // denormalization for faster querying (these fields are in the inboundGroupSessionDataJson) | ||
| var sessionId: String? = null, | ||
| var senderKey: String? = null, | ||
| var roomId: String? = null, | ||
|
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| // Deprecated, used for migration / olmInboundGroupSessionData contains Json | ||
| // keep it in case of problem to have a chance to recover | ||
| var olmInboundGroupSessionData: String? = null, | ||
|
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| // Stores the session data in an extensible format | ||
| // to allow to store data not yet supported for later use | ||
| var inboundGroupSessionDataJson: String? = null, | ||
|
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| // The pickled session | ||
| var serializedOlmInboundGroupSession: String? = null, | ||
|
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| // Flag that indicates whether or not the current inboundSession will be shared to | ||
| // invited users to decrypt past messages | ||
| var sharedHistory: Boolean = false, | ||
| // Indicate if the key has been backed up to the homeserver | ||
| var backedUp: Boolean = false | ||
| ) : | ||
| RealmObject() { | ||
|
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| fun store(wrapper: MXInboundMegolmSessionWrapper) { | ||
| this.serializedOlmInboundGroupSession = serializeForRealm(wrapper.session) | ||
| this.inboundGroupSessionDataJson = adapter.toJson(wrapper.sessionData) | ||
| this.roomId = wrapper.sessionData.roomId | ||
| this.senderKey = wrapper.sessionData.senderKey | ||
| this.sessionId = wrapper.session.sessionIdentifier() | ||
| this.sharedHistory = wrapper.sessionData.sharedHistory | ||
| } | ||
| // fun getInboundGroupSession(): OlmInboundGroupSessionWrapper2? { | ||
| // return try { | ||
| // deserializeFromRealm<OlmInboundGroupSessionWrapper2?>(olmInboundGroupSessionData) | ||
| // } catch (failure: Throwable) { | ||
| // Timber.e(failure, "## Deserialization failure") | ||
| // return null | ||
| // } | ||
| // } | ||
| // | ||
| // fun putInboundGroupSession(olmInboundGroupSessionWrapper: OlmInboundGroupSessionWrapper2?) { | ||
| // olmInboundGroupSessionData = serializeForRealm(olmInboundGroupSessionWrapper) | ||
| // } | ||
|
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| fun getOlmGroupSession(): OlmInboundGroupSession? { | ||
| return try { | ||
| deserializeFromRealm(serializedOlmInboundGroupSession) | ||
| } catch (failure: Throwable) { | ||
| Timber.e(failure, "## Deserialization failure") | ||
| return null | ||
| } | ||
| } | ||
|
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| fun getData(): InboundGroupSessionData? { | ||
| return try { | ||
| inboundGroupSessionDataJson?.let { | ||
| adapter.fromJson(it) | ||
| } | ||
| } catch (failure: Throwable) { | ||
| Timber.e(failure, "## Deserialization failure") | ||
| return null | ||
| } | ||
| } | ||
|
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| fun toModel(): MXInboundMegolmSessionWrapper? { | ||
| val data = getData() ?: return null | ||
| val session = getOlmGroupSession() ?: return null | ||
| return MXInboundMegolmSessionWrapper( | ||
| session = session, | ||
| sessionData = data | ||
| ) | ||
| } | ||
|
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| companion object { | ||
| private val adapter = MoshiProvider.providesMoshi() | ||
| .adapter(InboundGroupSessionData::class.java) | ||
| } | ||
| } |