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50 lines
2.1 KiB
Swift
50 lines
2.1 KiB
Swift
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public extension Message {
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enum Destination {
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case contact(publicKey: String)
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case closedGroup(groupPublicKey: String)
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case legacyOpenGroup(channel: UInt64, server: String)
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case openGroup(
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roomToken: String,
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server: String,
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whisperTo: String? = nil,
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whisperMods: Bool = false,
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fileIds: [String]? = nil
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)
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case openGroupInbox(server: String, openGroupPublicKey: String, blindedPublicKey: String)
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static func from(_ thread: TSThread, fileIds: [String]? = nil) -> Message.Destination {
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if let thread = thread as? TSContactThread {
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if SessionId.Prefix(from: thread.contactSessionID()) == .blinded {
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guard let server: String = thread.originalOpenGroupServer, let publicKey: String = thread.originalOpenGroupPublicKey else {
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preconditionFailure("Attempting to send message to blinded id without the Open Group information")
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}
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return .openGroupInbox(
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server: server,
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openGroupPublicKey: publicKey,
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blindedPublicKey: thread.contactSessionID()
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)
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}
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return .contact(publicKey: thread.contactSessionID())
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}
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if let thread = thread as? TSGroupThread, thread.isClosedGroup {
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let groupID = thread.groupModel.groupId
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let groupPublicKey = LKGroupUtilities.getDecodedGroupID(groupID)
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return .closedGroup(groupPublicKey: groupPublicKey)
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}
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if let thread = thread as? TSGroupThread, thread.isOpenGroup {
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let openGroup: OpenGroup = Storage.shared.getOpenGroup(for: thread.uniqueId!)!
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return .openGroup(roomToken: openGroup.room, server: openGroup.server, fileIds: fileIds)
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}
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preconditionFailure("TODO: Handle legacy closed groups.")
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}
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}
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}
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