Move method to JsonCanonicalizer and fix test compilation

matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/session/room/timeline/ChunkEntityTest.kt

@@ -59,7 +59,7 @@ internal class ChunkEntityTest : InstrumentedTest {
             val chunk: ChunkEntity = realm.createObject()
             val fakeEvent = createFakeMessageEvent()
             chunk.add("roomId", fakeEvent, PaginationDirection.FORWARDS)
-            chunk.events.size shouldEqual 1
+            chunk.timelineEvents.size shouldEqual 1
         }
     }
 
@@ -70,7 +70,7 @@ internal class ChunkEntityTest : InstrumentedTest {
             val fakeEvent = createFakeMessageEvent()
             chunk.add("roomId", fakeEvent, PaginationDirection.FORWARDS)
             chunk.add("roomId", fakeEvent, PaginationDirection.FORWARDS)
-            chunk.events.size shouldEqual 1
+            chunk.timelineEvents.size shouldEqual 1
         }
     }
 
@@ -126,7 +126,7 @@ internal class ChunkEntityTest : InstrumentedTest {
             chunk1.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS)
             chunk2.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS)
             chunk1.merge("roomId", chunk2, PaginationDirection.BACKWARDS)
-            chunk1.events.size shouldEqual 60
+            chunk1.timelineEvents.size shouldEqual 60
         }
     }
 
@@ -142,7 +142,7 @@ internal class ChunkEntityTest : InstrumentedTest {
             chunk1.addAll("roomId", eventsForChunk1, PaginationDirection.FORWARDS)
             chunk2.addAll("roomId", eventsForChunk2, PaginationDirection.BACKWARDS)
             chunk1.merge("roomId", chunk2, PaginationDirection.BACKWARDS)
-            chunk1.events.size shouldEqual 40
+            chunk1.timelineEvents.size shouldEqual 40
             chunk1.isLastForward.shouldBeTrue()
         }
     }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/CryptoManager.kt

@@ -48,7 +48,6 @@ import im.vector.matrix.android.internal.crypto.actions.SetDeviceVerificationAct
 import im.vector.matrix.android.internal.crypto.algorithms.IMXEncrypting
 import im.vector.matrix.android.internal.crypto.algorithms.megolm.MXMegolmEncryptionFactory
 import im.vector.matrix.android.internal.crypto.algorithms.olm.MXOlmEncryptionFactory
-import im.vector.matrix.android.internal.crypto.attachments.ElementToDecrypt
 import im.vector.matrix.android.internal.crypto.keysbackup.KeysBackup
 import im.vector.matrix.android.internal.crypto.model.ImportRoomKeysResult
 import im.vector.matrix.android.internal.crypto.model.MXDeviceInfo
@@ -74,12 +73,12 @@ import im.vector.matrix.android.internal.session.room.membership.RoomMembers
 import im.vector.matrix.android.internal.session.sync.model.SyncResponse
 import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.configureWith
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
 import im.vector.matrix.android.internal.util.MatrixCoroutineDispatchers
 import im.vector.matrix.android.internal.util.fetchCopied
 import kotlinx.coroutines.*
 import org.matrix.olm.OlmManager
 import timber.log.Timber
-import java.io.File
 import java.util.*
 import java.util.concurrent.atomic.AtomicBoolean
 import javax.inject.Inject
@@ -766,7 +765,7 @@ internal class CryptoManager @Inject constructor(
     private suspend fun uploadDeviceKeys(): Try<KeysUploadResponse> {
         // Prepare the device keys data to send
         // Sign it
-        val canonicalJson = MoshiProvider.getCanonicalJson(Map::class.java, getMyDevice().signalableJSONDictionary())
+        val canonicalJson = JsonCanonicalizer.getCanonicalJson(Map::class.java, getMyDevice().signalableJSONDictionary())
         getMyDevice().signatures = objectSigner.signObject(canonicalJson)
 
         // For now, we set the device id explicitly, as we may not be using the

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/MXOlmDevice.kt

@@ -28,6 +28,7 @@ import im.vector.matrix.android.internal.crypto.model.OlmSessionWrapper
 import im.vector.matrix.android.internal.crypto.store.IMXCryptoStore
 import im.vector.matrix.android.internal.di.MoshiProvider
 import im.vector.matrix.android.internal.session.SessionScope
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
 import im.vector.matrix.android.internal.util.convertFromUTF8
 import im.vector.matrix.android.internal.util.convertToUTF8
 import org.matrix.olm.*
@@ -728,7 +729,7 @@ internal class MXOlmDevice @Inject constructor(
     @Throws(Exception::class)
     fun verifySignature(key: String, jsonDictionary: Map<String, Any>, signature: String) {
         // Check signature on the canonical version of the JSON
-        olmUtility!!.verifyEd25519Signature(signature, key, MoshiProvider.getCanonicalJson<Map<*, *>>(Map::class.java, jsonDictionary))
+        olmUtility!!.verifyEd25519Signature(signature, key, JsonCanonicalizer.getCanonicalJson(Map::class.java, jsonDictionary))
     }
 
     /**

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/OneTimeKeysUploader.kt

@@ -22,8 +22,8 @@ import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.internal.crypto.model.MXKey
 import im.vector.matrix.android.internal.crypto.model.rest.KeysUploadResponse
 import im.vector.matrix.android.internal.crypto.tasks.UploadKeysTask
-import im.vector.matrix.android.internal.di.MoshiProvider
 import im.vector.matrix.android.internal.session.SessionScope
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
 import org.matrix.olm.OlmAccount
 import timber.log.Timber
 import java.util.*
@@ -158,7 +158,7 @@ internal class OneTimeKeysUploader @Inject constructor(
                 k["key"] = curve25519Map.getValue(key_id)
 
                 // the key is also signed
-                val canonicalJson = MoshiProvider.getCanonicalJson(Map::class.java, k)
+                val canonicalJson = JsonCanonicalizer.getCanonicalJson(Map::class.java, k)
 
                 k["signatures"] = objectSigner.signObject(canonicalJson)
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/actions/MessageEncrypter.kt

@@ -22,8 +22,7 @@ import im.vector.matrix.android.internal.crypto.MXCRYPTO_ALGORITHM_OLM
 import im.vector.matrix.android.internal.crypto.MXOlmDevice
 import im.vector.matrix.android.internal.crypto.model.MXDeviceInfo
 import im.vector.matrix.android.internal.crypto.model.rest.EncryptedMessage
-import im.vector.matrix.android.internal.di.MoshiProvider
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
-import im.vector.matrix.android.internal.session.SessionScope
 import im.vector.matrix.android.internal.util.convertToUTF8
 import timber.log.Timber
 import java.util.*
@@ -81,7 +80,7 @@ internal class MessageEncrypter @Inject constructor(private val credentials: Cre
                 recipientsKeysMap["ed25519"] = deviceInfo.fingerprint()!!
                 payloadJson["recipient_keys"] = recipientsKeysMap
 
-                val payloadString = convertToUTF8(MoshiProvider.getCanonicalJson(Map::class.java, payloadJson))
+                val payloadString = convertToUTF8(JsonCanonicalizer.getCanonicalJson(Map::class.java, payloadJson))
                 ciphertext[deviceKey] = olmDevice.encryptMessage(deviceKey, sessionId!!, payloadString!!)!!
             }
         }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/algorithms/megolm/MXMegolmEncryption.kt

@@ -36,7 +36,7 @@ import im.vector.matrix.android.internal.crypto.model.MXUsersDevicesMap
 import im.vector.matrix.android.internal.crypto.repository.WarnOnUnknownDeviceRepository
 import im.vector.matrix.android.internal.crypto.store.IMXCryptoStore
 import im.vector.matrix.android.internal.crypto.tasks.SendToDeviceTask
-import im.vector.matrix.android.internal.di.MoshiProvider
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
 import im.vector.matrix.android.internal.util.convertToUTF8
 import timber.log.Timber
 import java.util.*
@@ -263,7 +263,7 @@ internal class MXMegolmEncryption(
 
             // Get canonical Json from
 
-            val payloadString = convertToUTF8(MoshiProvider.getCanonicalJson(Map::class.java, payloadJson))
+            val payloadString = convertToUTF8(JsonCanonicalizer.getCanonicalJson(Map::class.java, payloadJson))
             val ciphertext = olmDevice.encryptGroupMessage(session.sessionId, payloadString!!)
 
             val map = HashMap<String, Any>()

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/keysbackup/KeysBackup.kt

@@ -55,6 +55,7 @@ import im.vector.matrix.android.internal.task.Task
 import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.TaskThread
 import im.vector.matrix.android.internal.task.configureWith
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
 import im.vector.matrix.android.internal.util.MatrixCoroutineDispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
@@ -176,7 +177,7 @@ internal class KeysBackup @Inject constructor(
                         megolmBackupAuthData.publicKey = publicKey
                     }
 
-                    val canonicalJson = MoshiProvider.getCanonicalJson(Map::class.java, megolmBackupAuthData.signalableJSONDictionary())
+                    val canonicalJson = JsonCanonicalizer.getCanonicalJson(Map::class.java, megolmBackupAuthData.signalableJSONDictionary())
 
                     megolmBackupAuthData.signatures = objectSigner.signObject(canonicalJson)
 
@@ -456,7 +457,7 @@ internal class KeysBackup @Inject constructor(
 
                     if (trust) {
                         // Add current device signature
-                        val canonicalJson = MoshiProvider.getCanonicalJson(Map::class.java, authData.signalableJSONDictionary())
+                        val canonicalJson = JsonCanonicalizer.getCanonicalJson(Map::class.java, authData.signalableJSONDictionary())
 
                         val deviceSignatures = objectSigner.signObject(canonicalJson)
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/verification/IncomingSASVerificationTransaction.kt

@@ -29,8 +29,8 @@ import im.vector.matrix.android.internal.crypto.model.rest.KeyVerificationMac
 import im.vector.matrix.android.internal.crypto.model.rest.KeyVerificationStart
 import im.vector.matrix.android.internal.crypto.store.IMXCryptoStore
 import im.vector.matrix.android.internal.crypto.tasks.SendToDeviceTask
-import im.vector.matrix.android.internal.di.MoshiProvider
 import im.vector.matrix.android.internal.task.TaskExecutor
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
 import timber.log.Timber
 
 internal class IncomingSASVerificationTransaction(
@@ -147,7 +147,7 @@ internal class IncomingSASVerificationTransaction(
 
         //The hash commitment is the hash (using the selected hash algorithm) of the unpadded base64 representation of QB,
         // concatenated with the canonical JSON representation of the content of the m.key.verification.start message
-        val concat = getSAS().publicKey + MoshiProvider.getCanonicalJson(KeyVerificationStart::class.java, startReq!!)
+        val concat = getSAS().publicKey + JsonCanonicalizer.getCanonicalJson(KeyVerificationStart::class.java, startReq!!)
         accept.commitment = hashUsingAgreedHashMethod(concat) ?: ""
         //we need to send this to other device now
         state = SasVerificationTxState.SendingAccept

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/verification/OutgoingSASVerificationRequest.kt

@@ -27,8 +27,8 @@ import im.vector.matrix.android.internal.crypto.model.rest.KeyVerificationMac
 import im.vector.matrix.android.internal.crypto.model.rest.KeyVerificationStart
 import im.vector.matrix.android.internal.crypto.store.IMXCryptoStore
 import im.vector.matrix.android.internal.crypto.tasks.SendToDeviceTask
-import im.vector.matrix.android.internal.di.MoshiProvider
 import im.vector.matrix.android.internal.task.TaskExecutor
+import im.vector.matrix.android.internal.util.JsonCanonicalizer
 import timber.log.Timber
 
 internal class OutgoingSASVerificationRequest(
@@ -164,7 +164,7 @@ internal class OutgoingSASVerificationRequest(
         // in Bob’s m.key.verification.key and the content of Alice’s m.key.verification.start message.
 
         //check commitment
-        val concat = vKey.key + MoshiProvider.getCanonicalJson(KeyVerificationStart::class.java, startReq!!)
+        val concat = vKey.key + JsonCanonicalizer.getCanonicalJson(KeyVerificationStart::class.java, startReq!!)
         val otherCommitment = hashUsingAgreedHashMethod(concat) ?: ""
 
         if (accepted!!.commitment.equals(otherCommitment)) {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/helper/ChunkEntityHelper.kt

@@ -16,6 +16,7 @@
 
 package im.vector.matrix.android.internal.database.helper
 
+import androidx.annotation.VisibleForTesting
 import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.room.send.SendState
@@ -102,7 +103,8 @@ internal fun ChunkEntity.updateSenderDataFor(eventIds: List<String>) {
     }
 }
 
-private fun ChunkEntity.add(roomId: String,
+@VisibleForTesting
+internal fun ChunkEntity.add(roomId: String,
                              event: Event,
                              direction: PaginationDirection,
                              stateIndexOffset: Int = 0,

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/di/MoshiProvider.kt

@@ -23,7 +23,6 @@ import im.vector.matrix.android.internal.network.parsing.UriMoshiAdapter
 import im.vector.matrix.android.internal.session.sync.model.UserAccountData
 import im.vector.matrix.android.internal.session.sync.model.UserAccountDataDirectMessages
 import im.vector.matrix.android.internal.session.sync.model.UserAccountDataFallback
-import im.vector.matrix.android.internal.util.JsonCanonicalizer
 
 
 object MoshiProvider {
@@ -50,19 +49,6 @@ object MoshiProvider {
         return moshi
     }
 
-    // TODO Move
-    fun <T> getCanonicalJson(type: Class<T>, o: T): String {
-        val adapter = moshi.adapter<T>(type)
-
-        val json = adapter.toJson(o)
-
-        // Canonicalize manually
-        val can = JsonCanonicalizer.canonicalize(json)
-
-        val jsonSafe = can.replace("\\/", "/")
-
-        return jsonSafe
-    }
 }
 
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/util/JsonCanonicalizer.kt

@@ -16,6 +16,8 @@
 
 package im.vector.matrix.android.internal.util
 
+import androidx.annotation.VisibleForTesting
+import im.vector.matrix.android.internal.di.MoshiProvider
 import org.json.JSONArray
 import org.json.JSONException
 import org.json.JSONObject
@@ -28,22 +30,24 @@ import java.util.*
  */
 object JsonCanonicalizer {
 
-    fun canonicalize(json: String): String {
+    fun <T> getCanonicalJson(type: Class<T>, o: T): String {
-        var can: String? = null
+        val adapter = MoshiProvider.providesMoshi().adapter<T>(type)
-        try {
-            val _json = JSONObject(json)
 
-            can = _canonicalize(_json)
+        // Canonicalize manually
+        return canonicalize(adapter.toJson(o))
+                .replace("\\/", "/")
+    }
+
+    @VisibleForTesting
+    fun canonicalize(jsonString: String): String {
+        return try {
+            val jsonObject = JSONObject(jsonString)
+
+            canonicalizeRecursive(jsonObject)
         } catch (e: JSONException) {
             Timber.e(e, "Unable to canonicalize")
+            jsonString
         }
-
-        if (can == null) {
-            Timber.e("Error")
-            return json
-        }
-
-        return can
     }
 
     /**
@@ -52,11 +56,8 @@ object JsonCanonicalizer {
      * @param src the src
      * @return the canonicalize element
      */
-    private fun _canonicalize(src: Any?): String? {
+    private fun canonicalizeRecursive(src: Any): String {
         // sanity check
-        if (null == src) {
-            return null
-        }
 
         when (src) {
             is JSONArray  -> {
@@ -65,7 +66,7 @@ object JsonCanonicalizer {
                 val result = StringBuilder("[")
 
                 for (i in 0 until srcArray!!.length()) {
-                    result.append(_canonicalize(srcArray.get(i)))
+                    result.append(canonicalizeRecursive(srcArray.get(i)))
                     if (i < srcArray.length() - 1) {
                         result.append(",")
                     }
@@ -89,7 +90,7 @@ object JsonCanonicalizer {
                             .append(attribute.value)
                             .append("\"")
                             .append(":")
-                            .append(_canonicalize(src[attribute.value]))
+                            .append(canonicalizeRecursive(src[attribute.value]))
 
                     if (attribute.index < attributes.size - 1) {
                         result.append(",")