GLEGram 12.5 — Initial public release

Based on Swiftgram 12.5 (Telegram iOS 12.5).
All GLEGram features ported and organized in GLEGram/ folder.

Features: Ghost Mode, Saved Deleted Messages, Content Protection Bypass,
Font Replacement, Fake Profile, Chat Export, Plugin System, and more.

See CHANGELOG_12.5.md for full details.

GLEGram/SGLocalPremium/Sources/SGLocalPremium.swift

@@ -0,0 +1,81 @@
+import Foundation
+import SwiftSignalKit
+
+// MARK: - GLEGram Local Premium
+
+public class SGLocalPremium {
+    public static let shared = SGLocalPremium()
+
+    private var currentAccountId: String?
+    public var currentAccountPeerId: (id: Int64, namespace: Int32)?
+
+    private init() {}
+
+    // MARK: - Account Configuration
+
+    public func setAccountPeerId(_ peerId: Int64, namespace: Int32) {
+        self.currentAccountId = "\(namespace)_\(peerId)"
+        self.currentAccountPeerId = (id: peerId, namespace: namespace)
+    }
+
+    private func accountKey(_ key: String) -> String {
+        guard let accountId = currentAccountId else {
+            return key
+        }
+        return "\(key)_\(accountId)"
+    }
+
+    // MARK: - Main Setting (Per-Account)
+
+    public var emulatePremium: Bool {
+        get {
+            return UserDefaults.standard.bool(forKey: accountKey("localPremiumEmulate"))
+        }
+        set {
+            UserDefaults.standard.set(newValue, forKey: accountKey("localPremiumEmulate"))
+            UserDefaults.standard.synchronize()
+        }
+    }
+
+    // MARK: - Computed Properties
+
+    public var showPremiumBadge: Bool { return emulatePremium }
+    public var unlimitedPinnedChats: Bool { return emulatePremium }
+    public var unlimitedFolders: Bool { return emulatePremium }
+    public var unlimitedChatsPerFolder: Bool { return emulatePremium }
+    public var unlimitedSavedMessageTags: Bool { return emulatePremium }
+    public var allowFolderReordering: Bool { return emulatePremium }
+    public var shouldDisableServerSync: Bool { return emulatePremium }
+
+    // MARK: - Limit Overrides
+
+    public func getMaxPinnedChatCount(_ original: Int32) -> Int32 {
+        if unlimitedPinnedChats {
+            return Int32.max
+        }
+        return original
+    }
+
+    public func getMaxFoldersCount(_ original: Int32) -> Int32 {
+        if unlimitedFolders {
+            return Int32.max
+        }
+        return original
+    }
+
+    public func getMaxFolderChatsCount(_ original: Int32) -> Int32 {
+        if unlimitedChatsPerFolder {
+            return Int32.max
+        }
+        return original
+    }
+
+    // MARK: - Folder Reordering
+
+    public func canReorderAllChats(isPremium: Bool) -> Bool {
+        if isPremium {
+            return true
+        }
+        return allowFolderReordering
+    }
+}