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Avoid usage of !!

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This commit is contained in:
Benoit Marty 2020-10-30 14:29:44 +01:00
parent 1fcbf7ed42
commit 14e7e5e9fd
1 changed files with 23 additions and 25 deletions
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48
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/OlmInboundGroupSessionWrapper2.kt
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@ -48,15 +48,12 @@ class OlmInboundGroupSessionWrapper2 : Serializable {
*/
val firstKnownIndex: Long?
get() {
if (null != olmInboundGroupSession) {
try {
return olmInboundGroupSession!!.firstKnownIndex
} catch (e: Exception) {
Timber.e(e, "## getFirstKnownIndex() : getFirstKnownIndex failed")
}
return try {
return olmInboundGroupSession?.firstKnownIndex
} catch (e: Exception) {
Timber.e(e, "## getFirstKnownIndex() : getFirstKnownIndex failed")
null
}
return null
}
/**
@ -90,11 +87,13 @@ class OlmInboundGroupSessionWrapper2 : Serializable {
@Throws(Exception::class)
constructor(megolmSessionData: MegolmSessionData) {
try {
olmInboundGroupSession = OlmInboundGroupSession.importSession(megolmSessionData.sessionKey!!)
if (olmInboundGroupSession!!.sessionIdentifier() != megolmSessionData.sessionId) {
throw Exception("Mismatched group session Id")
}
val safeSessionKey = megolmSessionData.sessionKey ?: throw Exception("invalid data")
olmInboundGroupSession = OlmInboundGroupSession.importSession(safeSessionKey)
.also {
if (it.sessionIdentifier() != megolmSessionData.sessionId) {
throw Exception("Mismatched group session Id")
}
}
senderKey = megolmSessionData.senderKey
keysClaimed = megolmSessionData.senderClaimedKeys
@ -120,16 +119,18 @@ class OlmInboundGroupSessionWrapper2 : Serializable {
return null
}
val wantedIndex = index ?: olmInboundGroupSession!!.firstKnownIndex
val safeOlmInboundGroupSession = olmInboundGroupSession ?: return null
val wantedIndex = index ?: safeOlmInboundGroupSession.firstKnownIndex
MegolmSessionData(
senderClaimedEd25519Key = keysClaimed?.get("ed25519"),
forwardingCurve25519KeyChain = ArrayList(forwardingCurve25519KeyChain!!),
forwardingCurve25519KeyChain = forwardingCurve25519KeyChain?.toList().orEmpty(),
senderKey = senderKey,
senderClaimedKeys = keysClaimed,
roomId = roomId,
sessionId = olmInboundGroupSession!!.sessionIdentifier(),
sessionKey = olmInboundGroupSession!!.export(wantedIndex),
sessionId = safeOlmInboundGroupSession.sessionIdentifier(),
sessionKey = safeOlmInboundGroupSession.export(wantedIndex),
algorithm = MXCRYPTO_ALGORITHM_MEGOLM
)
} catch (e: Exception) {
@ -145,14 +146,11 @@ class OlmInboundGroupSessionWrapper2 : Serializable {
* @return the exported data
*/
fun exportSession(messageIndex: Long): String? {
if (null != olmInboundGroupSession) {
try {
return olmInboundGroupSession!!.export(messageIndex)
} catch (e: Exception) {
Timber.e(e, "## exportSession() : export failed")
}
return try {
return olmInboundGroupSession?.export(messageIndex)
} catch (e: Exception) {
Timber.e(e, "## exportSession() : export failed")
null
}
return null
}
}