Rename TelegramCore source folder

2025-12-22 22:25:57 +00:00 · 2019-10-29 00:13:20 +04:00
parent d1e57a24bb
commit d2e57174a7
341 changed files with 9 additions and 69 deletions
--- a/submodules/TelegramCore/Sources/SecretChatLayerNegotiation.swift
+++ b/submodules/TelegramCore/Sources/SecretChatLayerNegotiation.swift
@@ -0,0 +1,67 @@
+import Foundation
+#if os(macOS)
+    import PostboxMac
+    import SwiftSignalKitMac
+#else
+    import Postbox
+    import SwiftSignalKit
+#endif
+
+import SyncCore
+
+private let topSupportedLayer: SecretChatSequenceBasedLayer = .layer101
+
+func secretChatCommonSupportedLayer(remoteLayer: Int32) -> SecretChatSequenceBasedLayer {
+    switch remoteLayer {
+        case 46:
+            return .layer46
+        case 73:
+            return .layer73
+        case 101:
+            return .layer101
+        default:
+            return topSupportedLayer
+    }
+}
+
+func secretChatAddReportCurrentLayerSupportOperationAndUpdateRequestedLayer(transaction: Transaction, peerId: PeerId, state: SecretChatState) -> SecretChatState {
+    switch state.embeddedState {
+        case .basicLayer:
+            var updatedState = state
+            updatedState = addSecretChatOutgoingOperation(transaction: transaction, peerId: peerId, operation: .reportLayerSupport(layer: .layer8, actionGloballyUniqueId: arc4random64(), layerSupport: topSupportedLayer.rawValue), state: updatedState)
+            return updatedState
+        case let .sequenceBasedLayer(sequenceState):
+            var updatedState = state
+            updatedState = addSecretChatOutgoingOperation(transaction: transaction, peerId: peerId, operation: .reportLayerSupport(layer: sequenceState.layerNegotiationState.activeLayer.secretChatLayer, actionGloballyUniqueId: arc4random64(), layerSupport: topSupportedLayer.rawValue), state: updatedState)
+            updatedState =  updatedState.withUpdatedEmbeddedState(.sequenceBasedLayer(sequenceState.withUpdatedLayerNegotiationState(sequenceState.layerNegotiationState.withUpdatedLocallyRequestedLayer(topSupportedLayer.rawValue))))
+            return updatedState
+        default:
+            return state
+    }
+}
+
+func secretChatCheckLayerNegotiationIfNeeded(transaction: Transaction, peerId: PeerId, state: SecretChatState) -> SecretChatState {
+    switch state.embeddedState {
+        case let .sequenceBasedLayer(sequenceState):
+            if sequenceState.layerNegotiationState.activeLayer != topSupportedLayer {
+                var updatedState = state
+                
+                if let remotelyRequestedLayer = sequenceState.layerNegotiationState.remotelyRequestedLayer {
+                    let updatedSequenceState = sequenceState.withUpdatedLayerNegotiationState(sequenceState.layerNegotiationState.withUpdatedActiveLayer(secretChatCommonSupportedLayer(remoteLayer: remotelyRequestedLayer)))
+                    updatedState = updatedState.withUpdatedEmbeddedState(.sequenceBasedLayer(updatedSequenceState))
+                }
+                
+                if (sequenceState.layerNegotiationState.locallyRequestedLayer ?? 0) < topSupportedLayer.rawValue {
+                    updatedState = secretChatAddReportCurrentLayerSupportOperationAndUpdateRequestedLayer(transaction: transaction, peerId: peerId, state: updatedState)
+                }
+                
+                return updatedState
+            } else {
+                return state
+            }
+        case .basicLayer:
+            return state
+        default:
+            return state
+    }
+}