Dev add device checker (#108)

* Added device checker

* Localization

* Moved `isJailbroken`. Added tests

* Class renaming

* Removed comments

* Fixed xcsscheme

* Fix naming

* Renamed class

Trust.xcodeproj/project.pbxproj

@@ -264,6 +264,11 @@
 		61F8AA951FCA4C9300488C6E /* BigIntTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F8AA941FCA4C9300488C6E /* BigIntTests.swift */; };
 		61FC5ECF1FCFBAE500CCB12A /* EtherNumberFormatter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61FC5ECE1FCFBAE500CCB12A /* EtherNumberFormatter.swift */; };
 		61FC5ED11FCFBDEB00CCB12A /* EtherNumberFormatterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61FC5ED01FCFBDEB00CCB12A /* EtherNumberFormatterTests.swift */; };
+		CCA4FE331FD3655900749AE4 /* CheckDeviceCoordinatorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CCA4FE321FD3655900749AE4 /* CheckDeviceCoordinatorTests.swift */; };
+		CCA4FE361FD4282400749AE4 /* DeviceChecker.swift in Sources */ = {isa = PBXBuildFile; fileRef = CCA4FE351FD4282400749AE4 /* DeviceChecker.swift */; };
+		CCA4FE381FD428B300749AE4 /* JailbreakChecker.swift in Sources */ = {isa = PBXBuildFile; fileRef = CCA4FE371FD428B300749AE4 /* JailbreakChecker.swift */; };
+		CCA4FE3A1FD42B4100749AE4 /* FakeJailbreakChecker.swift in Sources */ = {isa = PBXBuildFile; fileRef = CCA4FE391FD42B4100749AE4 /* FakeJailbreakChecker.swift */; };
+		CCCD74FD1FD2D38D004A087D /* CheckDeviceCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = CCCD74FC1FD2D38D004A087D /* CheckDeviceCoordinator.swift */; };
 		D9F052FDC5B72E024DD05F0D /* Pods_TrustTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A48A17FC2CC895AF2BB871D0 /* Pods_TrustTests.framework */; };
 /* End PBXBuildFile section */
 
@@ -555,6 +560,11 @@
 		A3B747245A27436E621E7E41 /* Pods-TrustUITests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-TrustUITests.release.xcconfig"; path = "Pods/Target Support Files/Pods-TrustUITests/Pods-TrustUITests.release.xcconfig"; sourceTree = "<group>"; };
 		A48A17FC2CC895AF2BB871D0 /* Pods_TrustTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_TrustTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		B13A87D3BA5167741E5D0801 /* Pods-Trust.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Trust.release.xcconfig"; path = "Pods/Target Support Files/Pods-Trust/Pods-Trust.release.xcconfig"; sourceTree = "<group>"; };
+		CCA4FE321FD3655900749AE4 /* CheckDeviceCoordinatorTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CheckDeviceCoordinatorTests.swift; sourceTree = "<group>"; };
+		CCA4FE351FD4282400749AE4 /* DeviceChecker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeviceChecker.swift; sourceTree = "<group>"; };
+		CCA4FE371FD428B300749AE4 /* JailbreakChecker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JailbreakChecker.swift; sourceTree = "<group>"; };
+		CCA4FE391FD42B4100749AE4 /* FakeJailbreakChecker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FakeJailbreakChecker.swift; sourceTree = "<group>"; };
+		CCCD74FC1FD2D38D004A087D /* CheckDeviceCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CheckDeviceCoordinator.swift; sourceTree = "<group>"; };
 		DDF643F2D99BCE8E6139C057 /* Pods-TrustTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-TrustTests.release.xcconfig"; path = "Pods/Target Support Files/Pods-TrustTests/Pods-TrustTests.release.xcconfig"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -662,6 +672,7 @@
 		2912CD0E1F6A830700C6CBE3 /* TrustTests */ = {
 			isa = PBXGroup;
 			children = (
+				CCA4FE301FD3652100749AE4 /* Core */,
 				299B5E3C1FD143300051361C /* Export */,
 				299B5E351FCBCDE10051361C /* Transfer */,
 				2931122F1FC971A400966EEA /* Exchange */,
@@ -1524,6 +1535,8 @@
 		29FC9BC31F830880000209CD /* Core */ = {
 			isa = PBXGroup;
 			children = (
+				CCA4FE341FD427CA00749AE4 /* Helpers */,
+				CCCD74FF1FD2D95F004A087D /* Coordinators */,
 				2931120E1FC4ADBE00966EEA /* ViewModels */,
 				29FC9BC41F830880000209CD /* Initializers */,
 			);
@@ -1604,6 +1617,7 @@
 				2961BD081FB14B6D00C4B840 /* Config.swift */,
 				298542FF1FBEAE2F00CB5081 /* ChainState.swift */,
 				293112321FC971F600966EEA /* ExchangeToken.swift */,
+				CCA4FE391FD42B4100749AE4 /* FakeJailbreakChecker.swift */,
 			);
 			path = Factories;
 			sourceTree = "<group>";
@@ -1647,6 +1661,39 @@
 			name = Pods;
 			sourceTree = "<group>";
 		};
+		CCA4FE301FD3652100749AE4 /* Core */ = {
+			isa = PBXGroup;
+			children = (
+				CCA4FE311FD3653300749AE4 /* Coordinators */,
+			);
+			path = Core;
+			sourceTree = "<group>";
+		};
+		CCA4FE311FD3653300749AE4 /* Coordinators */ = {
+			isa = PBXGroup;
+			children = (
+				CCA4FE321FD3655900749AE4 /* CheckDeviceCoordinatorTests.swift */,
+			);
+			path = Coordinators;
+			sourceTree = "<group>";
+		};
+		CCA4FE341FD427CA00749AE4 /* Helpers */ = {
+			isa = PBXGroup;
+			children = (
+				CCA4FE351FD4282400749AE4 /* DeviceChecker.swift */,
+				CCA4FE371FD428B300749AE4 /* JailbreakChecker.swift */,
+			);
+			path = Helpers;
+			sourceTree = "<group>";
+		};
+		CCCD74FF1FD2D95F004A087D /* Coordinators */ = {
+			isa = PBXGroup;
+			children = (
+				CCCD74FC1FD2D38D004A087D /* CheckDeviceCoordinator.swift */,
+			);
+			path = Coordinators;
+			sourceTree = "<group>";
+		};
 		FAD3F374A5C639BD900944DB /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
@@ -2170,6 +2217,7 @@
 				293112281FC8174B00966EEA /* ExchangeConfig.swift in Sources */,
 				2932045C1F8DCD6E0095B7C1 /* CurrencyRate.swift in Sources */,
 				291F52A51F6B762300B369AB /* EtherServiceRequest.swift in Sources */,
+				CCA4FE361FD4282400749AE4 /* DeviceChecker.swift in Sources */,
 				298542FB1FBEA03300CB5081 /* SendInputErrors.swift in Sources */,
 				29EB102A1F6CBD23000907A4 /* UIAlertController.swift in Sources */,
 				293112151FC5550000966EEA /* ExchangeTokensCoordinator.swift in Sources */,
@@ -2236,12 +2284,14 @@
 				298542F31FBD594D00CB5081 /* SettingsViewModel.swift in Sources */,
 				29B6AED11F7C881D00EC6DE3 /* TransactionCost.swift in Sources */,
 				296106CA1F764AB60006164B /* TokensDataStore.swift in Sources */,
+				CCA4FE381FD428B300749AE4 /* JailbreakChecker.swift in Sources */,
 				291A1B651F974E8600ADEC80 /* WalletEntryPoint.swift in Sources */,
 				2959960E1FAB05C200DB66A8 /* TransactionsEmptyView.swift in Sources */,
 				29BB94931F6FC380009B09CC /* BalanceViewModel.swift in Sources */,
 				292F75A91F88865A00585F8E /* TouchRegistrar.swift in Sources */,
 				29D03F1D1F712183006E548C /* Button.swift in Sources */,
 				291794FF1F95F5CE00539A30 /* Web3Request.swift in Sources */,
+				CCCD74FD1FD2D38D004A087D /* CheckDeviceCoordinator.swift in Sources */,
 				29E2E33E1F7A2423000CF94A /* TransactionHeaderView.swift in Sources */,
 				291F52BF1F6C874E00B369AB /* AccountsViewController.swift in Sources */,
 				2963B6AF1F9823E6003063C1 /* UnconfirmedTransaction.swift in Sources */,
@@ -2264,6 +2314,7 @@
 				293112311FC971B600966EEA /* ExchangeTokensCoordinatorTests.swift in Sources */,
 				61F8AA951FCA4C9300488C6E /* BigIntTests.swift in Sources */,
 				299573A41FA27A15006F17FD /* TestKeyStore.swift in Sources */,
+				CCA4FE3A1FD42B4100749AE4 /* FakeJailbreakChecker.swift in Sources */,
 				29F114F81FA8165200114A29 /* SendCoordinatorTests.swift in Sources */,
 				293112331FC971F600966EEA /* ExchangeToken.swift in Sources */,
 				299573A21FA1F369006F17FD /* QRURLParserTests.swift in Sources */,
@@ -2276,6 +2327,7 @@
 				298543001FBEAE2F00CB5081 /* ChainState.swift in Sources */,
 				299B5E3F1FD143400051361C /* BackupViewModelTests.swift in Sources */,
 				29AD8A0E1F93FF28008E10E7 /* WalletSession.swift in Sources */,
+				CCA4FE331FD3655900749AE4 /* CheckDeviceCoordinatorTests.swift in Sources */,
 				29FF13011F75EAD900AFD326 /* FakeKeystore.swift in Sources */,
 				29FC9BCC1F831860000209CD /* PaymentCoordinator.swift in Sources */,
 				2961BD091FB14B6D00C4B840 /* Config.swift in Sources */,

Trust/Core/Coordinators/CheckDeviceCoordinator.swift

@@ -0,0 +1,42 @@
+// Copyright SIX DAY LLC. All rights reserved.
+
+import Foundation
+import UIKit
+
+class CheckDeviceCoordinator: Coordinator {
+    var coordinators: [Coordinator] = []
+
+    let navigationController: UINavigationController
+
+    let jailbreakChecker: JailbreakChecker
+
+    lazy var alertViewController: UIAlertController = {
+        let controller = UIAlertController(
+            title: NSLocalizedString("jailbreak.title", value: "DEVICE SECURITY COMPROMISED", comment: ""),
+            message: NSLocalizedString(
+                "jailbreak.message",
+                value: "Any 'jailbreak' app can access Trust's keychain data and steal your bitcoin! Wipe this wallet immediately and restore on a secure device",
+                comment: ""
+            ),
+            preferredStyle: UIAlertControllerStyle.alert
+        )
+
+        controller.addAction(UIAlertAction(title: NSLocalizedString("jailbreak.submit", value: "Got it", comment: ""), style: .default))
+
+        return controller
+    }()
+
+    init(
+        navigationController: UINavigationController,
+        jailbreakChecker: JailbreakChecker
+    ) {
+        self.navigationController = navigationController
+        self.jailbreakChecker = jailbreakChecker
+    }
+
+    func start() {
+        if jailbreakChecker.isJailbroken() {
+            navigationController.present(alertViewController, animated: true, completion: nil)
+        }
+    }
+}

Trust/Core/Helpers/DeviceChecker.swift

@@ -0,0 +1,22 @@
+// Copyright SIX DAY LLC. All rights reserved.
+
+import Foundation
+
+class DeviceChecker: JailbreakChecker {
+    func isJailbroken() -> Bool {
+        if TARGET_IPHONE_SIMULATOR == 1 {
+            return false
+        }
+
+        let list: [String] = [
+            "/Applications/Cydia.app",
+            "/Library/MobileSubstrate/MobileSubstrate.dylib",
+            "/bin/bash",
+            "/usr/sbin  /sshd",
+            "/etc/apt",
+            "/private/var/lib/apt/",
+        ]
+
+        return !list.filter { FileManager.default.fileExists(atPath: $0) }.isEmpty
+    }
+}

Trust/Core/Helpers/JailbreakChecker.swift

@@ -0,0 +1,7 @@
+// Copyright SIX DAY LLC. All rights reserved.
+
+import Foundation
+
+protocol JailbreakChecker {
+    func isJailbroken() -> Bool
+}

Trust/InCoordinator.swift

@@ -31,6 +31,8 @@ class InCoordinator: Coordinator {
 
     func start() {
         showTabBar(for: account)
+
+        checkDevice()
     }
 
     func showTabBar(for account: Account) {
@@ -107,6 +109,17 @@ class InCoordinator: Coordinator {
         removeCoordinator(coordinator)
         showTabBar(for: account)
     }
+
+    func checkDevice() {
+        let deviceChecker = CheckDeviceCoordinator(
+            navigationController: navigationController,
+            jailbreakChecker: DeviceChecker()
+        )
+
+        deviceChecker.start()
+
+        addCoordinator(deviceChecker)
+    }
 }
 
 extension InCoordinator: TransactionCoordinatorDelegate {

TrustTests/Core/Coordinators/CheckDeviceCoordinatorTests.swift

@@ -0,0 +1,32 @@
+// Copyright SIX DAY LLC. All rights reserved.
+
+import XCTest
+@testable import Trust
+
+class CheckDeviceCoordinatorTests: XCTestCase {
+    func testStartPositive() {
+        let navigationController = FakeNavigationController()
+
+        let coordinator = CheckDeviceCoordinator(
+            navigationController: navigationController,
+            jailbreakChecker: FakeJailbreakChecker(jailbroken: true)
+        )
+
+        coordinator.start()
+
+        XCTAssertTrue(navigationController.presentedViewController is UIAlertController)
+    }
+
+    func testStartNegative() {
+        let navigationController = FakeNavigationController()
+
+        let coordinator = CheckDeviceCoordinator(
+            navigationController: navigationController,
+            jailbreakChecker: FakeJailbreakChecker(jailbroken: false)
+        )
+
+        coordinator.start()
+
+        XCTAssertFalse(navigationController.presentedViewController is UIAlertController)
+    }
+}

TrustTests/Factories/FakeJailbreakChecker.swift

@@ -0,0 +1,16 @@
+// Copyright SIX DAY LLC. All rights reserved.
+
+import Foundation
+@testable import Trust
+
+class FakeJailbreakChecker: JailbreakChecker {
+    let jailbroken: Bool
+
+    init(jailbroken: Bool) {
+        self.jailbroken = jailbroken
+    }
+
+    func isJailbroken() -> Bool {
+        return jailbroken
+    }
+}