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protect olm account access

This commit is contained in:
Valere 2022-02-28 09:25:25 +01:00
parent 33f9bc52cb
commit 9df5f17132
2 changed files with 44 additions and 18 deletions
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51
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/MXOlmDevice.kt
View File

@ -106,13 +106,13 @@ internal class MXOlmDevice @Inject constructor(
}
try {
deviceCurve25519Key = store.getOlmAccount().identityKeys()[OlmAccount.JSON_KEY_IDENTITY_KEY]
deviceCurve25519Key = doWithOlmAccount { it.identityKeys()[OlmAccount.JSON_KEY_IDENTITY_KEY] }
} catch (e: Exception) {
Timber.e(e, "## MXOlmDevice : cannot find ${OlmAccount.JSON_KEY_IDENTITY_KEY} with error")
}
try {
deviceEd25519Key = store.getOlmAccount().identityKeys()[OlmAccount.JSON_KEY_FINGER_PRINT_KEY]
deviceEd25519Key = doWithOlmAccount { it.identityKeys()[OlmAccount.JSON_KEY_FINGER_PRINT_KEY] }
} catch (e: Exception) {
Timber.e(e, "## MXOlmDevice : cannot find ${OlmAccount.JSON_KEY_FINGER_PRINT_KEY} with error")
}
@ -123,7 +123,7 @@ internal class MXOlmDevice @Inject constructor(
*/
fun getOneTimeKeys(): Map<String, Map<String, String>>? {
try {
return store.getOlmAccount().oneTimeKeys()
return doWithOlmAccount { it.oneTimeKeys() }
} catch (e: Exception) {
Timber.e(e, "## getOneTimeKeys() : failed")
}
@ -135,7 +135,18 @@ internal class MXOlmDevice @Inject constructor(
* @return The maximum number of one-time keys the olm account can store.
*/
fun getMaxNumberOfOneTimeKeys(): Long {
return store.getOlmAccount().maxOneTimeKeys()
return doWithOlmAccount { it.maxOneTimeKeys() }
}
/**
* Olm account access should be synchronized
*/
private fun <T> doWithOlmAccount(block: (OlmAccount) -> T): T {
return store.getOlmAccount().let { olmAccount ->
synchronized(olmAccount) {
block.invoke(olmAccount)
}
}
}
/**
@ -145,7 +156,7 @@ internal class MXOlmDevice @Inject constructor(
*/
fun getFallbackKey(): MutableMap<String, MutableMap<String, String>>? {
try {
return store.getOlmAccount().fallbackKey()
return doWithOlmAccount { it.fallbackKey() }
} catch (e: Exception) {
Timber.e("## getFallbackKey() : failed")
}
@ -160,8 +171,10 @@ internal class MXOlmDevice @Inject constructor(
fun generateFallbackKeyIfNeeded(): Boolean {
try {
if (!hasUnpublishedFallbackKey()) {
store.getOlmAccount().generateFallbackKey()
doWithOlmAccount {
it.generateFallbackKey()
store.saveOlmAccount()
}
return true
}
} catch (e: Exception) {
@ -176,8 +189,10 @@ internal class MXOlmDevice @Inject constructor(
fun forgetFallbackKey() {
try {
store.getOlmAccount().forgetFallbackKey()
doWithOlmAccount {
it.forgetFallbackKey()
store.saveOlmAccount()
}
} catch (e: Exception) {
Timber.e("## forgetFallbackKey() : failed")
}
@ -203,7 +218,7 @@ internal class MXOlmDevice @Inject constructor(
*/
fun signMessage(message: String): String? {
try {
return store.getOlmAccount().signMessage(message)
return doWithOlmAccount { it.signMessage(message) }
} catch (e: Exception) {
Timber.e(e, "## signMessage() : failed")
}
@ -216,8 +231,10 @@ internal class MXOlmDevice @Inject constructor(
*/
fun markKeysAsPublished() {
try {
store.getOlmAccount().markOneTimeKeysAsPublished()
doWithOlmAccount {
it.markOneTimeKeysAsPublished()
store.saveOlmAccount()
}
} catch (e: Exception) {
Timber.e(e, "## markKeysAsPublished() : failed")
}
@ -230,8 +247,10 @@ internal class MXOlmDevice @Inject constructor(
*/
fun generateOneTimeKeys(numKeys: Int) {
try {
store.getOlmAccount().generateOneTimeKeys(numKeys)
doWithOlmAccount {
it.generateOneTimeKeys(numKeys)
store.saveOlmAccount()
}
} catch (e: Exception) {
Timber.e(e, "## generateOneTimeKeys() : failed")
}
@ -251,7 +270,9 @@ internal class MXOlmDevice @Inject constructor(
try {
olmSession = OlmSession()
olmSession.initOutboundSession(store.getOlmAccount(), theirIdentityKey, theirOneTimeKey)
doWithOlmAccount { olmAccount ->
olmSession.initOutboundSession(olmAccount, theirIdentityKey, theirOneTimeKey)
}
val olmSessionWrapper = OlmSessionWrapper(olmSession, 0)
@ -292,7 +313,9 @@ internal class MXOlmDevice @Inject constructor(
try {
try {
olmSession = OlmSession()
olmSession.initInboundSessionFrom(store.getOlmAccount(), theirDeviceIdentityKey, ciphertext)
doWithOlmAccount { olmAccount ->
olmSession.initInboundSessionFrom(olmAccount, theirDeviceIdentityKey, ciphertext)
}
} catch (e: Exception) {
Timber.e(e, "## createInboundSession() : the session creation failed")
return null
@ -301,8 +324,10 @@ internal class MXOlmDevice @Inject constructor(
Timber.v("## createInboundSession() : sessionId: ${olmSession.sessionIdentifier()}")
try {
store.getOlmAccount().removeOneTimeKeys(olmSession)
doWithOlmAccount { olmAccount ->
olmAccount.removeOneTimeKeys(olmSession)
store.saveOlmAccount()
}
} catch (e: Exception) {
Timber.e(e, "## createInboundSession() : removeOneTimeKeys failed")
}

1
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt
View File

@ -246,6 +246,7 @@ internal class RealmCryptoStore @Inject constructor(
return olmAccount!!
}
@Synchronized
override fun getOrCreateOlmAccount(): OlmAccount {
doRealmTransaction(realmConfiguration) {
val metaData = it.where<CryptoMetadataEntity>().findFirst()