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timestamp & duplicated message

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This commit is contained in:
Ryan ZHAO
2021-02-16 15:24:21 +11:00
parent e14b5b9f33
commit b517555a45
5 changed files with 34 additions and 7 deletions
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3
libsession/src/main/java/org/session/libsession/messaging/StorageProtocol.kt
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@@ -86,9 +86,10 @@ interface StorageProtocol {
fun removeLastDeletionServerID(group: Long, server: String)
// Message Handling
fun isMessageDuplicated(timestamp: Long, sender: String): Boolean
fun getReceivedMessageTimestamps(): Set<Long>
fun addReceivedMessageTimestamp(timestamp: Long)
fun removeReceivedMessageTimestamps(timestamps: Set<Long>)
// fun removeReceivedMessageTimestamps(timestamps: Set<Long>)
// Returns the IDs of the saved attachments.
fun persistAttachments(messageId: Long, attachments: List<Attachment>): List<Long>

2
libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageReceiver.kt
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@@ -50,7 +50,7 @@ object MessageReceiver {
// If the message failed to process the first time around we retry it later (if the error is retryable). In this case the timestamp
// will already be in the database but we don't want to treat the message as a duplicate. The isRetry flag is a simple workaround
// for this issue.
if (storage.getReceivedMessageTimestamps().contains(envelope.timestamp) && !isRetry) throw Error.DuplicateMessage
if (storage.isMessageDuplicated(envelope.timestamp, envelope.source) && !isRetry) throw Error.DuplicateMessage
storage.addReceivedMessageTimestamp(envelope.timestamp)
// Decrypt the contents
val ciphertext = envelope.content ?: throw Error.NoData