Refactor DeviceVerification prefix classes to KeyVerification where needed. And move key verification related classes into the same module KeyVerification.

2026-04-20 00:24:43 +02:00 · 2020-03-18 17:39:26 +01:00
parent a8f28e0ec0
commit d6296b3150
91 changed files with 819 additions and 803 deletions
@@ -0,0 +1,79 @@
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import UIKit
+import Reusable
+
+struct UserVerificationSessionStatusViewData {
+    let deviceId: String
+    let sessionName: String
+    let isTrusted: Bool
+}
+
+final class UserVerificationSessionStatusCell: UITableViewCell, NibReusable, Themable {
+
+    // MARK: - Properties
+    
+    // MARK: Outlets
+    
+    @IBOutlet private weak var statusImageView: UIImageView!
+    @IBOutlet private weak var sessionNameLabel: UILabel!
+    @IBOutlet private weak var statusTextLabel: UILabel!
+    
+    // MARK: Private
+    
+    private var viewData: UserVerificationSessionStatusViewData?
+    private var theme: Theme?
+    
+    // MARK: - Public
+    
+    func fill(viewData: UserVerificationSessionStatusViewData) {
+        self.viewData = viewData
+        
+        let statusText: String
+        let statusImage: UIImage
+        
+        if viewData.isTrusted {
+            statusImage = Asset.Images.encryptionTrusted.image
+            statusText = VectorL10n.userVerificationSessionsListSessionTrusted
+        } else {
+            statusImage = Asset.Images.encryptionWarning.image
+            statusText = VectorL10n.userVerificationSessionsListSessionUntrusted            
+        }
+        
+        self.statusImageView.image = statusImage
+        self.statusTextLabel.text = statusText
+        self.sessionNameLabel.text = viewData.sessionName
+        
+        self.updateStatusTextColor()
+    }
+    
+    func update(theme: Theme) {
+        self.theme = theme
+        self.backgroundColor = theme.headerBackgroundColor
+        self.sessionNameLabel.textColor = theme.textPrimaryColor
+        self.updateStatusTextColor()
+    }
+    
+    // MARK: - Private
+    
+    private func updateStatusTextColor() {
+        guard let viewData = self.viewData, let theme = self.theme else {
+            return
+        }
+        self.statusTextLabel.textColor = viewData.isTrusted ? theme.tintColor : theme.warningColor
+    }
+}
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina6_1" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14490.49"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <tableViewCell contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" rowHeight="37" id="KGk-i7-Jjw" customClass="UserVerificationSessionStatusCell" customModule="Riot" customModuleProvider="target">
+            <rect key="frame" x="0.0" y="0.0" width="307" height="37"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+            <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="KGk-i7-Jjw" id="H2p-sc-9uM">
+                <rect key="frame" x="0.0" y="0.0" width="307" height="36.5"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="V5p-pi-DJj">
+                        <rect key="frame" x="0.0" y="0.0" width="307" height="36.5"/>
+                        <subviews>
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="encryption_warning" translatesAutoresizingMaskIntoConstraints="NO" id="4Ja-9R-o9i" customClass="encryption_warning">
+                                <rect key="frame" x="20" y="11.5" width="14" height="14"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" secondItem="4Ja-9R-o9i" secondAttribute="height" multiplier="1:1" id="Ivd-S1-mib"/>
+                                    <constraint firstAttribute="width" constant="14" id="n0o-Xb-nnn"/>
+                                </constraints>
+                            </imageView>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Riot iOS" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="MkZ-9n-kCS">
+                                <rect key="frame" x="44" y="10" width="174.5" height="16.5"/>
+                                <fontDescription key="fontDescription" type="system" weight="medium" pointSize="17"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="252" verticalHuggingPriority="251" horizontalCompressionResistancePriority="752" text="Trusted" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="wsp-qe-DLy">
+                                <rect key="frame" x="228.5" y="8" width="58.5" height="21"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <color key="textColor" red="0.01176470588" green="0.70196078429999997" blue="0.50588235290000005" alpha="1" colorSpace="calibratedRGB"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        <constraints>
+                            <constraint firstItem="MkZ-9n-kCS" firstAttribute="leading" secondItem="4Ja-9R-o9i" secondAttribute="trailing" constant="10" id="29O-OV-c6O"/>
+                            <constraint firstItem="4Ja-9R-o9i" firstAttribute="leading" secondItem="V5p-pi-DJj" secondAttribute="leading" constant="20" id="Gcu-EC-b72"/>
+                            <constraint firstItem="wsp-qe-DLy" firstAttribute="centerY" secondItem="MkZ-9n-kCS" secondAttribute="centerY" id="JQR-uR-OSm"/>
+                            <constraint firstAttribute="bottom" secondItem="MkZ-9n-kCS" secondAttribute="bottom" constant="10" id="Ohk-Zx-SaA"/>
+                            <constraint firstAttribute="trailing" secondItem="wsp-qe-DLy" secondAttribute="trailing" constant="20" id="Onn-ew-tSg"/>
+                            <constraint firstItem="4Ja-9R-o9i" firstAttribute="centerY" secondItem="MkZ-9n-kCS" secondAttribute="centerY" id="U88-nG-bpa"/>
+                            <constraint firstItem="wsp-qe-DLy" firstAttribute="leading" secondItem="MkZ-9n-kCS" secondAttribute="trailing" constant="10" id="VdB-e0-Ru9"/>
+                            <constraint firstItem="MkZ-9n-kCS" firstAttribute="top" secondItem="V5p-pi-DJj" secondAttribute="top" constant="10" id="lx8-Ae-MX8"/>
+                        </constraints>
+                    </view>
+                </subviews>
+                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                <constraints>
+                    <constraint firstItem="V5p-pi-DJj" firstAttribute="top" secondItem="H2p-sc-9uM" secondAttribute="top" id="3rQ-mA-tnY"/>
+                    <constraint firstItem="V5p-pi-DJj" firstAttribute="leading" secondItem="H2p-sc-9uM" secondAttribute="leading" id="PDK-oM-MhJ"/>
+                    <constraint firstAttribute="bottom" secondItem="V5p-pi-DJj" secondAttribute="bottom" id="dj0-s9-48N"/>
+                    <constraint firstAttribute="trailing" secondItem="V5p-pi-DJj" secondAttribute="trailing" id="lp6-TZ-ycQ"/>
+                </constraints>
+            </tableViewCellContentView>
+            <viewLayoutGuide key="safeArea" id="njF-e1-oar"/>
+            <connections>
+                <outlet property="sessionNameLabel" destination="MkZ-9n-kCS" id="atH-sc-sJx"/>
+                <outlet property="statusImageView" destination="4Ja-9R-o9i" id="n6o-LV-b3O"/>
+                <outlet property="statusTextLabel" destination="wsp-qe-DLy" id="4dV-vY-pmR"/>
+            </connections>
+            <point key="canvasLocation" x="-72" y="26"/>
+        </tableViewCell>
+    </objects>
+    <resources>
+        <image name="encryption_warning" width="16" height="16"/>
+    </resources>
+</document>
@@ -0,0 +1,70 @@
+// File created from ScreenTemplate
+// $ createScreen.sh UserVerification UserVerificationSessionsStatus
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+import UIKit
+
+final class UserVerificationSessionsStatusCoordinator: UserVerificationSessionsStatusCoordinatorType {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    private let session: MXSession
+    private var userVerificationSessionsStatusViewModel: UserVerificationSessionsStatusViewModelType
+    private let userVerificationSessionsStatusViewController: UserVerificationSessionsStatusViewController
+    
+    // MARK: Public
+
+    // Must be used only internally
+    var childCoordinators: [Coordinator] = []
+    
+    weak var delegate: UserVerificationSessionsStatusCoordinatorDelegate?
+    
+    // MARK: - Setup
+    
+    init(session: MXSession, userId: String) {
+        self.session = session
+        
+        let userVerificationSessionsStatusViewModel = UserVerificationSessionsStatusViewModel(session: self.session, userId: userId)
+        let userVerificationSessionsStatusViewController = UserVerificationSessionsStatusViewController.instantiate(with: userVerificationSessionsStatusViewModel)
+        self.userVerificationSessionsStatusViewModel = userVerificationSessionsStatusViewModel
+        self.userVerificationSessionsStatusViewController = userVerificationSessionsStatusViewController
+    }
+    
+    // MARK: - Public methods
+    
+    func start() {            
+        self.userVerificationSessionsStatusViewModel.coordinatorDelegate = self
+    }
+    
+    func toPresentable() -> UIViewController {
+        return self.userVerificationSessionsStatusViewController
+    }
+}
+
+// MARK: - UserVerificationSessionsStatusViewModelCoordinatorDelegate
+extension UserVerificationSessionsStatusCoordinator: UserVerificationSessionsStatusViewModelCoordinatorDelegate {
+    func userVerificationSessionsStatusViewModel(_ viewModel: UserVerificationSessionsStatusViewModelType, didSelectDeviceWithId deviceId: String, for userId: String) {
+        self.delegate?.userVerificationSessionsStatusCoordinator(self, didSelectDeviceWithId: deviceId, for: userId)
+    }
+    
+    func userVerificationSessionsStatusViewModelDidClose(_ viewModel: UserVerificationSessionsStatusViewModelType) {
+        self.delegate?.userVerificationSessionsStatusCoordinatorDidClose(self)
+    }
+}
@@ -0,0 +1,29 @@
+// File created from ScreenTemplate
+// $ createScreen.sh UserVerification UserVerificationSessionsStatus
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+protocol UserVerificationSessionsStatusCoordinatorDelegate: class {
+    func userVerificationSessionsStatusCoordinatorDidClose(_ coordinator: UserVerificationSessionsStatusCoordinatorType)
+    func userVerificationSessionsStatusCoordinator(_ coordinator: UserVerificationSessionsStatusCoordinatorType, didSelectDeviceWithId deviceId: String, for userId: String)
+}
+
+/// `UserVerificationSessionsStatusCoordinatorType` is a protocol describing a Coordinator that handle key backup setup passphrase navigation flow.
+protocol UserVerificationSessionsStatusCoordinatorType: Coordinator, Presentable {
+    var delegate: UserVerificationSessionsStatusCoordinatorDelegate? { get }
+}
@@ -0,0 +1,26 @@
+// File created from ScreenTemplate
+// $ createScreen.sh UserVerification UserVerificationSessionsStatus
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+/// UserVerificationSessionsStatusViewController view actions exposed to view model
+enum UserVerificationSessionsStatusViewAction {
+    case loadData
+    case selectSession(deviceId: String)
+    case close
+}
@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="le3-e8-C1h">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14490.49"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--User Verification Sessions Status View Controller-->
+        <scene sceneID="G1j-dD-ArC">
+            <objects>
+                <viewController id="le3-e8-C1h" customClass="UserVerificationSessionsStatusViewController" customModule="Riot" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="IXd-J2-Vex">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Kfr-Ho-krK">
+                                <rect key="frame" x="0.0" y="20" width="375" height="108"/>
+                                <subviews>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="NBJ-A1-IP0">
+                                        <rect key="frame" x="325" y="20" width="30" height="30"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="30" id="jda-sE-4Uz"/>
+                                            <constraint firstAttribute="height" constant="30" id="rPb-uQ-Tyt"/>
+                                        </constraints>
+                                        <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                        <state key="normal" image="close_button"/>
+                                        <connections>
+                                            <action selector="closeButtonAction:" destination="le3-e8-C1h" eventType="touchUpInside" id="4JW-Rl-hIk"/>
+                                        </connections>
+                                    </button>
+                                    <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="encryption_warning" translatesAutoresizingMaskIntoConstraints="NO" id="rZH-h1-WTw">
+                                        <rect key="frame" x="20" y="23" width="24" height="24"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" secondItem="rZH-h1-WTw" secondAttribute="height" multiplier="1:1" id="RgU-aV-cmS"/>
+                                            <constraint firstAttribute="height" constant="24" id="v0F-Dp-CmF"/>
+                                        </constraints>
+                                    </imageView>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Warning" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="fcs-Vl-AtB">
+                                        <rect key="frame" x="54" y="23" width="261" height="24"/>
+                                        <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="20"/>
+                                        <nil key="textColor"/>
+                                        <nil key="highlightedColor"/>
+                                    </label>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Messages with this user in this room are end-to-end encrypted and can’t be read by third parties." textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Vfc-7p-LLs">
+                                        <rect key="frame" x="20" y="62" width="335" height="36"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                        <nil key="textColor"/>
+                                        <nil key="highlightedColor"/>
+                                    </label>
+                                </subviews>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <constraints>
+                                    <constraint firstItem="NBJ-A1-IP0" firstAttribute="leading" secondItem="fcs-Vl-AtB" secondAttribute="trailing" constant="10" id="0cd-68-5tR"/>
+                                    <constraint firstItem="fcs-Vl-AtB" firstAttribute="leading" secondItem="rZH-h1-WTw" secondAttribute="trailing" constant="10" id="75Z-TB-Hhj"/>
+                                    <constraint firstItem="fcs-Vl-AtB" firstAttribute="centerY" secondItem="NBJ-A1-IP0" secondAttribute="centerY" id="DVH-2n-tXo"/>
+                                    <constraint firstItem="Vfc-7p-LLs" firstAttribute="trailing" secondItem="NBJ-A1-IP0" secondAttribute="trailing" id="KQg-I1-5FP"/>
+                                    <constraint firstItem="rZH-h1-WTw" firstAttribute="centerY" secondItem="fcs-Vl-AtB" secondAttribute="centerY" id="N8y-sA-Am7"/>
+                                    <constraint firstItem="NBJ-A1-IP0" firstAttribute="top" secondItem="Kfr-Ho-krK" secondAttribute="top" constant="20" id="VUJ-Jj-UjR"/>
+                                    <constraint firstAttribute="trailing" secondItem="NBJ-A1-IP0" secondAttribute="trailing" constant="20" id="ZH0-2n-XKy"/>
+                                    <constraint firstItem="rZH-h1-WTw" firstAttribute="leading" secondItem="Kfr-Ho-krK" secondAttribute="leading" constant="20" id="gPw-ja-veq"/>
+                                    <constraint firstItem="Vfc-7p-LLs" firstAttribute="top" secondItem="fcs-Vl-AtB" secondAttribute="bottom" constant="15" id="qh5-nR-1EN"/>
+                                    <constraint firstAttribute="bottom" secondItem="Vfc-7p-LLs" secondAttribute="bottom" constant="10" id="t5D-ht-cSc"/>
+                                    <constraint firstItem="Vfc-7p-LLs" firstAttribute="leading" secondItem="rZH-h1-WTw" secondAttribute="leading" id="zAt-yf-7HQ"/>
+                                </constraints>
+                            </view>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Sessions" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="uMA-Dt-xTz">
+                                <rect key="frame" x="20" y="133" width="335" height="24"/>
+                                <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="20"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="-1" estimatedRowHeight="-1" sectionHeaderHeight="28" sectionFooterHeight="28" translatesAutoresizingMaskIntoConstraints="NO" id="drr-Gd-5wA">
+                                <rect key="frame" x="0.0" y="167" width="375" height="500"/>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <connections>
+                                    <outlet property="dataSource" destination="le3-e8-C1h" id="Xmr-jN-S8s"/>
+                                    <outlet property="delegate" destination="le3-e8-C1h" id="Y5J-nA-Ynp"/>
+                                </connections>
+                            </tableView>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        <constraints>
+                            <constraint firstItem="drr-Gd-5wA" firstAttribute="leading" secondItem="IXd-J2-Vex" secondAttribute="leading" id="52r-4B-JdK"/>
+                            <constraint firstItem="Kfr-Ho-krK" firstAttribute="trailing" secondItem="Eud-3V-Vqw" secondAttribute="trailing" id="9Zg-EV-cHL"/>
+                            <constraint firstItem="Eud-3V-Vqw" firstAttribute="trailing" secondItem="uMA-Dt-xTz" secondAttribute="trailing" constant="20" id="Amb-5F-Ors"/>
+                            <constraint firstAttribute="trailing" secondItem="drr-Gd-5wA" secondAttribute="trailing" id="Awf-hM-uzJ"/>
+                            <constraint firstItem="drr-Gd-5wA" firstAttribute="top" secondItem="uMA-Dt-xTz" secondAttribute="bottom" constant="10" id="H1a-sI-AbP"/>
+                            <constraint firstAttribute="bottom" secondItem="drr-Gd-5wA" secondAttribute="bottom" id="Nhh-Ps-Upr"/>
+                            <constraint firstItem="Kfr-Ho-krK" firstAttribute="top" secondItem="Eud-3V-Vqw" secondAttribute="top" id="Wxs-Uw-xoA"/>
+                            <constraint firstItem="uMA-Dt-xTz" firstAttribute="leading" secondItem="Eud-3V-Vqw" secondAttribute="leading" constant="20" id="an1-BC-BP0"/>
+                            <constraint firstItem="uMA-Dt-xTz" firstAttribute="top" secondItem="Kfr-Ho-krK" secondAttribute="bottom" constant="5" id="wok-Oq-W0z"/>
+                            <constraint firstItem="Eud-3V-Vqw" firstAttribute="leading" secondItem="Kfr-Ho-krK" secondAttribute="leading" id="xjg-JA-ZUT"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="Eud-3V-Vqw"/>
+                    </view>
+                    <connections>
+                        <outlet property="badgeImageImageView" destination="rZH-h1-WTw" id="M2a-7i-OoW"/>
+                        <outlet property="closeButton" destination="NBJ-A1-IP0" id="AYv-b7-fFp"/>
+                        <outlet property="informationLabel" destination="Vfc-7p-LLs" id="em9-jE-1wo"/>
+                        <outlet property="sessionsTableViewTitle" destination="uMA-Dt-xTz" id="vFU-UV-jMO"/>
+                        <outlet property="tableView" destination="drr-Gd-5wA" id="Cs0-pF-wwB"/>
+                        <outlet property="titleLabel" destination="fcs-Vl-AtB" id="iGp-kn-QfJ"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dBA-Zm-evE" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-463.19999999999999" y="-80.50974512743629"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="close_button" width="16" height="16"/>
+        <image name="encryption_warning" width="16" height="16"/>
+    </resources>
+</document>
@@ -0,0 +1,234 @@
+// File created from ScreenTemplate
+// $ createScreen.sh UserVerification UserVerificationSessionsStatus
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import UIKit
+
+final class UserVerificationSessionsStatusViewController: UIViewController {
+    
+    // MARK: - Constants
+    
+    private enum Constants {
+        static let estimatedRowHeight: CGFloat = 40.0
+    }
+    
+    // MARK: - Properties
+    
+    // MARK: Outlets
+    
+    @IBOutlet private weak var badgeImageImageView: UIImageView!
+    @IBOutlet private weak var titleLabel: UILabel!
+    @IBOutlet private weak var closeButton: UIButton!
+    @IBOutlet private weak var informationLabel: UILabel!
+    @IBOutlet private weak var sessionsTableViewTitle: UILabel!
+    @IBOutlet private weak var tableView: UITableView!
+    
+    // MARK: Private
+
+    private var viewModel: UserVerificationSessionsStatusViewModelType!
+    private var theme: Theme!
+    private var errorPresenter: MXKErrorPresentation!
+    private var activityIndicatorPresenter: ActivityIndicatorPresenter!
+    private var sessionsStatusViewData: [UserVerificationSessionStatusViewData] = []
+    private var userEncryptionTrustLevel: UserEncryptionTrustLevel = .unknown
+
+    // MARK: - Setup
+    
+    class func instantiate(with viewModel: UserVerificationSessionsStatusViewModelType) -> UserVerificationSessionsStatusViewController {
+        let viewController = StoryboardScene.UserVerificationSessionsStatusViewController.initialScene.instantiate()
+        viewController.viewModel = viewModel
+        viewController.theme = ThemeService.shared().theme
+        return viewController
+    }
+    
+    // MARK: - Life cycle
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        // Do any additional setup after loading the view.
+                
+        self.setupViews()
+        self.vc_removeBackTitle()
+        self.activityIndicatorPresenter = ActivityIndicatorPresenter()
+        self.errorPresenter = MXKErrorAlertPresentation()
+        
+        self.registerThemeServiceDidChangeThemeNotification()
+        self.update(theme: self.theme)
+        
+        self.viewModel.viewDelegate = self
+
+        self.viewModel.process(viewAction: .loadData)
+    }
+    
+    override var preferredStatusBarStyle: UIStatusBarStyle {
+        return self.theme.statusBarStyle
+    }
+    
+    override func viewDidLayoutSubviews() {
+        super.viewDidLayoutSubviews()
+        
+        self.closeButton.layer.cornerRadius = self.closeButton.frame.size.width/2
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        
+        if let selectedIndexPath = self.tableView.indexPathForSelectedRow {
+            self.tableView.deselectRow(at: selectedIndexPath, animated: animated)
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func update(theme: Theme) {
+        self.theme = theme
+        
+        self.view.backgroundColor = theme.headerBackgroundColor
+        
+        if let navigationBar = self.navigationController?.navigationBar {
+            theme.applyStyle(onNavigationBar: navigationBar)
+        }
+        
+        self.closeButton.vc_setBackgroundColor(theme.headerTextSecondaryColor, for: .normal)
+        self.titleLabel.textColor = theme.textPrimaryColor
+        self.informationLabel.textColor = theme.textPrimaryColor
+        self.sessionsTableViewTitle.textColor = theme.textPrimaryColor
+    }
+    
+    private func registerThemeServiceDidChangeThemeNotification() {
+        NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
+    }
+    
+    @objc private func themeDidChange() {
+        self.update(theme: ThemeService.shared().theme)
+    }
+    
+    private func setupViews() {
+        self.closeButton.layer.masksToBounds = true
+        self.setupTableView()
+        self.updateTitleViews()
+        
+        self.sessionsTableViewTitle.text = VectorL10n.userVerificationSessionsListTableTitle
+        self.informationLabel.text = VectorL10n.userVerificationSessionsListInformation
+    }
+    
+    private func setupTableView() {
+        self.tableView.rowHeight = UITableView.automaticDimension
+        self.tableView.estimatedRowHeight = Constants.estimatedRowHeight
+        self.tableView.separatorStyle = .none
+        self.tableView.tableFooterView = UIView()
+        self.tableView.alwaysBounceVertical = false
+        
+        self.tableView.register(cellType: UserVerificationSessionStatusCell.self)
+    }
+    
+    private func render(viewState: UserVerificationSessionsStatusViewState) {
+        switch viewState {
+        case .loading:
+            self.renderLoading()
+        case .loaded(userTrustLevel: let userTrustLevel, sessionsStatusViewData: let sessionsStatusViewData):
+            self.renderLoaded(userTrustLevel: userTrustLevel, sessionsStatusViewData: sessionsStatusViewData)
+        case .error(let error):
+            self.render(error: error)
+        }
+    }
+
+    private func renderLoading() {
+        self.tableView.isUserInteractionEnabled = false
+        self.activityIndicatorPresenter.presentActivityIndicator(on: self.view, animated: true)
+    }
+    
+    private func renderLoaded(userTrustLevel: UserEncryptionTrustLevel, sessionsStatusViewData: [UserVerificationSessionStatusViewData]) {
+        self.activityIndicatorPresenter.removeCurrentActivityIndicator(animated: true)
+        self.tableView.isUserInteractionEnabled = true
+        
+        self.userEncryptionTrustLevel = userTrustLevel
+        self.sessionsStatusViewData = sessionsStatusViewData
+        
+        self.updateTitleViews()
+        self.tableView.reloadData()
+    }
+    
+    private func render(error: Error) {
+        self.activityIndicatorPresenter.removeCurrentActivityIndicator(animated: true)
+        self.tableView.isUserInteractionEnabled = true
+        self.errorPresenter.presentError(from: self, forError: error, animated: true, handler: nil)
+    }
+    
+    private func updateTitleViews() {
+        
+        let badgeImage: UIImage
+        let title: String
+        
+        switch self.userEncryptionTrustLevel {
+        case .trusted:
+            badgeImage = Asset.Images.encryptionTrusted.image
+            title = VectorL10n.userVerificationSessionsListUserTrustLevelTrustedTitle
+        case .warning:
+            badgeImage = Asset.Images.encryptionWarning.image
+            title = VectorL10n.userVerificationSessionsListUserTrustLevelWarningTitle
+        default:
+            badgeImage = Asset.Images.encryptionNormal.image
+            title = VectorL10n.userVerificationSessionsListUserTrustLevelUnknownTitle
+        }
+        
+        self.badgeImageImageView.image = badgeImage
+        self.titleLabel.text = title
+    }
+    
+    // MARK: - Actions
+
+    @IBAction private func closeButtonAction(_ sender: Any) {
+        self.viewModel.process(viewAction: .close)
+    }
+}
+
+// MARK: - UITableViewDataSource
+extension UserVerificationSessionsStatusViewController: UITableViewDataSource {
+    
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return self.sessionsStatusViewData.count
+    }
+    
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(for: indexPath, cellType: UserVerificationSessionStatusCell.self)
+        
+        let viewData = self.sessionsStatusViewData[indexPath.row]
+        
+        cell.update(theme: self.theme)
+        cell.fill(viewData: viewData)
+        
+        return cell
+    }
+}
+
+// MARK: - UITableViewDelegate
+extension UserVerificationSessionsStatusViewController: UITableViewDelegate {
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        let viewData = self.sessionsStatusViewData[indexPath.row]
+        self.viewModel.process(viewAction: .selectSession(deviceId: viewData.deviceId))
+    }
+}
+
+// MARK: - UserVerificationSessionsStatusViewModelViewDelegate
+extension UserVerificationSessionsStatusViewController: UserVerificationSessionsStatusViewModelViewDelegate {
+
+    func userVerificationSessionsStatusViewModel(_ viewModel: UserVerificationSessionsStatusViewModelType, didUpdateViewState viewSate: UserVerificationSessionsStatusViewState) {
+        self.render(viewState: viewSate)
+    }
+}
@@ -0,0 +1,148 @@
+// File created from ScreenTemplate
+// $ createScreen.sh UserVerification UserVerificationSessionsStatus
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+enum UserVerificationSessionsStatusViewModelError: Error {
+    case unknown
+}
+
+final class UserVerificationSessionsStatusViewModel: UserVerificationSessionsStatusViewModelType {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+
+    private let session: MXSession
+    private let userId: String
+    private var currentOperation: MXHTTPOperation?
+    private var userTrustLevel: UserEncryptionTrustLevel
+    
+    // MARK: Public
+
+    weak var viewDelegate: UserVerificationSessionsStatusViewModelViewDelegate?
+    weak var coordinatorDelegate: UserVerificationSessionsStatusViewModelCoordinatorDelegate?
+    
+    // MARK: - Setup
+    
+    init(session: MXSession, userId: String) {
+        self.session = session
+        self.userId = userId
+        self.userTrustLevel = .unknown
+    }
+    
+    deinit {
+        self.currentOperation?.cancel()
+    }
+    
+    // MARK: - Public
+    
+    func process(viewAction: UserVerificationSessionsStatusViewAction) {
+        switch viewAction {
+        case .loadData:
+            self.loadData()
+        case .selectSession(deviceId: let deviceId):
+            self.coordinatorDelegate?.userVerificationSessionsStatusViewModel(self, didSelectDeviceWithId: deviceId, for: self.userId)
+        case .close:
+            self.coordinatorDelegate?.userVerificationSessionsStatusViewModelDidClose(self)
+        }
+    }
+    
+    // MARK: - Private
+
+    private func loadData() {
+        
+        let sessionsStatusViewData = self.getSessionStatusViewDataListFromCache(for: self.userId)
+        self.update(viewState: .loaded(userTrustLevel: self.userTrustLevel, sessionsStatusViewData: sessionsStatusViewData))
+        
+        self.fetchSessionStatus()
+    }
+    
+    private func update(viewState: UserVerificationSessionsStatusViewState) {
+        self.viewDelegate?.userVerificationSessionsStatusViewModel(self, didUpdateViewState: viewState)
+    }
+    
+    private func fetchSessionStatus() {
+        self.update(viewState: .loading)
+        
+        self.currentOperation = self.getSessionStatusViewDataList(for: self.userId) { result in
+            switch result {
+            case .success(let sessionsStatusViewData):
+                
+                let isUserTrusted = sessionsStatusViewData.contains(where: { sessionsStatusViewData -> Bool in
+                    return sessionsStatusViewData.isTrusted == false
+                }) == false
+                
+                let userTrustLevel: UserEncryptionTrustLevel = isUserTrusted ? .trusted : .warning
+                
+                self.update(viewState: .loaded(userTrustLevel: userTrustLevel, sessionsStatusViewData: sessionsStatusViewData))
+            case .failure(let error):
+                self.update(viewState: .error(error))
+            }
+        }
+    }
+    
+    private func getSessionStatusViewDataListFromCache(for userId: String) -> [UserVerificationSessionStatusViewData] {
+        let deviceInfoList = self.getDevicesFromCache(for: self.userId)
+        return self.sessionStatusViewDataList(from: deviceInfoList)
+    }
+    
+    private func getDevicesFromCache(for userId: String) -> [MXDeviceInfo] {
+        guard let deviceInfoMap = self.session.crypto.devices(forUser: self.userId) else {
+            return []
+        }
+        return Array(deviceInfoMap.values)
+    }
+    
+    @discardableResult
+    private func getSessionStatusViewDataList(for userId: String, completion: @escaping (Result<[UserVerificationSessionStatusViewData], Error>) -> Void) -> MXHTTPOperation? {
+        
+        let httpOperation: MXHTTPOperation?
+        
+        httpOperation = self.session.crypto.downloadKeys([self.userId], forceDownload: false, success: { ( usersDeviceMap: MXUsersDevicesMap<MXDeviceInfo>?, usersCrossSigningMap: [String : MXCrossSigningInfo]?) in
+            
+            let sessionsViewData: [UserVerificationSessionStatusViewData]
+            
+            if let usersDeviceMap = usersDeviceMap, let userDeviceInfoMap = Array(usersDeviceMap.map.values).first {
+                let deviceInfoList = Array(userDeviceInfoMap.values)
+                sessionsViewData = self.sessionStatusViewDataList(from: deviceInfoList)
+            } else {
+                sessionsViewData = []
+            }
+            
+            completion(.success(sessionsViewData))
+            
+        }, failure: { error in
+            
+            let finalError = error ?? UserVerificationSessionsStatusViewModelError.unknown
+            completion(.failure(finalError))
+        })
+        
+        return httpOperation
+    }
+    
+    private func sessionStatusViewData(from deviceInfo: MXDeviceInfo) -> UserVerificationSessionStatusViewData {
+        return UserVerificationSessionStatusViewData(deviceId: deviceInfo.deviceId, sessionName: deviceInfo.displayName ?? "", isTrusted: deviceInfo.trustLevel.isVerified)
+    }
+    
+    private func sessionStatusViewDataList(from deviceInfoList: [MXDeviceInfo]) -> [UserVerificationSessionStatusViewData] {
+        return deviceInfoList.map { (deviceInfo) -> UserVerificationSessionStatusViewData in
+            return self.sessionStatusViewData(from: deviceInfo)
+        }
+    }
+}
@@ -0,0 +1,37 @@
+// File created from ScreenTemplate
+// $ createScreen.sh UserVerification UserVerificationSessionsStatus
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+protocol UserVerificationSessionsStatusViewModelViewDelegate: class {
+    func userVerificationSessionsStatusViewModel(_ viewModel: UserVerificationSessionsStatusViewModelType, didUpdateViewState viewSate: UserVerificationSessionsStatusViewState)
+}
+
+protocol UserVerificationSessionsStatusViewModelCoordinatorDelegate: class {
+    func userVerificationSessionsStatusViewModel(_ viewModel: UserVerificationSessionsStatusViewModelType, didSelectDeviceWithId deviceId: String, for userId: String)
+    func userVerificationSessionsStatusViewModelDidClose(_ viewModel: UserVerificationSessionsStatusViewModelType)
+}
+
+/// Protocol describing the view model used by `UserVerificationSessionsStatusViewController`
+protocol UserVerificationSessionsStatusViewModelType {
+            
+    var viewDelegate: UserVerificationSessionsStatusViewModelViewDelegate? { get set }
+    var coordinatorDelegate: UserVerificationSessionsStatusViewModelCoordinatorDelegate? { get set }
+    
+    func process(viewAction: UserVerificationSessionsStatusViewAction)
+}
@@ -0,0 +1,26 @@
+// File created from ScreenTemplate
+// $ createScreen.sh UserVerification UserVerificationSessionsStatus
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+/// UserVerificationSessionsStatusViewController view state
+enum UserVerificationSessionsStatusViewState {
+    case loading
+    case loaded(userTrustLevel: UserEncryptionTrustLevel, sessionsStatusViewData: [UserVerificationSessionStatusViewData])
+    case error(Error)
+}