Implement I2P integration

.gitmodules

@@ -5,3 +5,6 @@
 [submodule "external/quirc"]
 	path = external/quirc
 	url = https://github.com/dlbeer/quirc/
+[submodule "external/i2pd"]
+	path = external/i2pd
+	url = https://github.com/PurpleI2P/i2pd

external/CMakeLists.txt

@@ -1,3 +1,5 @@
+file(GLOB I2PD_SOURCES "i2pd/daemon/*.cpp" "i2pd/libi2pd/*.cpp" "i2pd/libi2pd_client/*.cpp" "i2pd/i18n/*.cpp")
+
 add_library(quirc STATIC
     quirc/lib/decode.c
     quirc/lib/identify.c
@@ -6,3 +8,9 @@ add_library(quirc STATIC
 )
 set_target_properties(quirc PROPERTIES POSITION_INDEPENDENT_CODE ON)
 target_include_directories(quirc PUBLIC quirc/lib)
+
+add_library(i2pd STATIC
+        ${I2PD_SOURCES}
+)
+set_target_properties(i2pd PROPERTIES POSITION_INDEPENDENT_CODE ON)
+target_include_directories(i2pd PUBLIC i2pd/daemon i2pd/libi2pd i2pd/libi2pd_client i2pd/i18n)

main.qml

@@ -714,6 +714,39 @@ ApplicationWindow {
         // Pause refresh while starting daemon
         currentWallet.pauseRefresh();
 
+        if (persistentSettings.protectConnectionMode > 0) {
+            var defaultArgs = ["--detach","--data-dir","--bootstrap-daemon-address","--prune-blockchain","--no-sync","--check-updates","--non-interactive","--max-concurrency","--tx-proxy=i2p,127.0.0.1:4447"]
+            var customDaemonArgsArray = flags.split(' ');
+            var flag = "";
+            var allArgs = [];
+            var i2pdArgs = ["--tx-proxy i2p,127.0.0.1:4447"];
+            //create an array (allArgs) of ['--arg value','--arg2','--arg3']
+            for (let i = 0; i < customDaemonArgsArray.length; i++) {
+                if(!customDaemonArgsArray[i].startsWith("--")) {
+                    flag += " " + customDaemonArgsArray[i]
+                } else {
+                    if(flag){
+                        allArgs.push(flag)
+                    }
+                    flag = customDaemonArgsArray[i]
+                }
+            }
+            allArgs.push(flag)
+            //pop from allArgs if value is inside the deleteme array (defaultArgs)
+            allArgs = allArgs.filter( ( el ) => !defaultArgs.includes( el.split(" ")[0] ) )
+            //append required i2pd flags
+            for (let i = 0; i < i2pdArgs.length; i++) {
+                if(!allArgs.includes(i2pdArgs[i])) {
+                    allArgs.push(i2pdArgs[i])
+                    continue
+                }
+            }
+
+            flags = allArgs.join(" ");
+
+            i2pdManager.start();
+        }
+
         const noSync = appWindow.walletMode === 0;
         const bootstrapNodeAddress = persistentSettings.walletMode < 2 ? "auto" : persistentSettings.bootstrapNodeAddress
         daemonManager.start(flags, persistentSettings.nettype, persistentSettings.blockchainDataDir, bootstrapNodeAddress, noSync, persistentSettings.pruneBlockchain);
@@ -730,6 +763,9 @@ ApplicationWindow {
             if (splash) {
                 hideProcessingSplash();
             }
+            if (persistentSettings.protectConnectionMode > 0) {
+                i2pdManager.stop();
+            }
             callback(result);
         });
     }
@@ -1450,6 +1486,8 @@ ApplicationWindow {
 
         property string proxyAddress: "127.0.0.1:9050"
         property bool proxyEnabled: isTails
+
+        property int protectConnectionMode: 0
         function getProxyAddress() {
             if ((socksProxyFlagSet && socksProxyFlag == "") || !proxyEnabled) {
                 return "";
@@ -2176,6 +2214,7 @@ ApplicationWindow {
         // Close wallet non async on exit
         daemonManager.exit();
         p2poolManager.exit();
+        i2pdManager.exit();
         closeWallet(Qt.quit);
     }
 

pages/settings/Settings.qml

@@ -81,6 +81,11 @@ ColumnLayout {
             text: qsTr("Info") + translationManager.emptyString
             onSelected: settingsStateView.state = "Info"
         }
+        MoneroComponents.NavbarItem {
+            active: settingsStateView.state == "Network"
+            text: qsTr("Network") + translationManager.emptyString
+            onSelected: settingsStateView.state = "Network"
+        }
     }
 
     Rectangle{
@@ -92,6 +97,7 @@ ColumnLayout {
         property SettingsNode settingsNodeView: SettingsNode { }
         property SettingsLog settingsLogView: SettingsLog { }
         property SettingsInfo settingsInfoView: SettingsInfo { }
+        property SettingsNetwork settingsNetworkView: SettingsNetwork { }
         Layout.fillWidth: true
         Layout.preferredHeight: settingsHeight
         color: "transparent"
@@ -133,6 +139,10 @@ ColumnLayout {
                 name: "Info"
                 PropertyChanges { target: settingsStateView; currentView: settingsStateView.settingsInfoView }
                 PropertyChanges { target: settingsPage; settingsHeight: settingsStateView.settingsInfoView.infoHeight + 140 }
+            }, State {
+                name: "Network"
+                PropertyChanges { target: settingsStateView; currentView: settingsStateView.settingsNetworkView }
+                PropertyChanges { target: settingsPage; settingsHeight: settingsStateView.settingsNetworkView.networkHeight + 140 }
             }
         ]
 

pages/settings/SettingsNetwork.qml

@@ -0,0 +1,141 @@
+// Copyright (c) 2014-2024, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import QtQuick 2.9
+import QtQuick.Layouts 1.1
+import QtQuick.Controls 2.0
+import QtQuick.Dialogs 1.2
+
+import moneroComponents.I2PDManager 1.0
+import moneroComponents.DaemonManager 1.0
+
+import "../../components" as MoneroComponents
+
+Rectangle {
+    color: "transparent"
+    Layout.fillWidth: true
+    property alias networkHeight: networkLayout.height
+
+    ColumnLayout {
+        id: networkLayout
+        Layout.fillWidth: true
+        anchors.left: parent.left
+        anchors.top: parent.top
+        anchors.right: parent.right
+        anchors.margins: 20
+        anchors.topMargin: 0
+        spacing: 30
+
+        MoneroComponents.Label {
+            id: networkTitleLabel
+            fontSize: 24
+            text: qsTr("Network traffic protection") + translationManager.emptyString
+        }
+
+        MoneroComponents.TextPlain {
+            id: networkMainLabel
+            text: qsTr("Your wallet communicates with a set node and other nodes on the\nMonero network. This communication can be used to identify you.\nUse the options below to protect your privacy. Please check your\nlocal laws and internet policies before protecting your connection\nusing i2p, an anonymizing software.") + translationManager.emptyString
+            wrapMode: Text.Wrap
+            Layout.fillWidth: true
+            font.family: MoneroComponents.Style.fontRegular.name
+            font.pixelSize: 14
+            color: MoneroComponents.Style.defaultFontColor
+        }
+
+        ColumnLayout {
+            id: modeButtonsColumn
+            Layout.topMargin: 8
+
+            MoneroComponents.RadioButton {
+                id: handleProtectButton
+                text: qsTr("Protect my network connection") + translationManager.emptyString
+                fontSize: 16
+                enabled: !checked
+                checked: persistentSettings.protectConnectionMode > 0
+                onClicked: {
+                    handleProtectButton.checked = true;
+                    handleUnprotectButton.checked = false;
+                    persistentSettings.protectConnectionMode = 1;
+                    startI2PD();
+                }
+            }
+
+            MoneroComponents.RadioButton {
+                id: handleUnprotectButton
+                text: qsTr("Do not protect my connection") + translationManager.emptyString
+                fontSize: 16
+                enabled: !checked
+                checked: persistentSettings.protectConnectionMode === 0
+                onClicked: {
+                    handleUnprotectButton.checked = true;
+                    handleProtectButton.checked = false;
+                    persistentSettings.protectConnectionMode = 0;
+                    stopI2PD();
+                }
+            }
+        }
+
+        RowLayout
+        {
+            MoneroComponents.Label {
+                id: networkProtectionStatusLabel
+                fontSize: 20
+                text: qsTr("Status: ") + translationManager.emptyString
+            }
+
+            MoneroComponents.Label {
+                id: networkProtectionStatus
+                fontSize: 20
+                text: qsTr("Unprotected") + translationManager.emptyString
+            }
+        }
+    }
+
+    function startI2PD()
+    {
+        appWindow.stopDaemon(function() {
+            appWindow.startDaemon("")
+        });
+    }
+
+    function stopI2PD()
+    {
+        appWindow.stopDaemon(function() {
+            appWindow.startDaemon("")
+        });
+    }
+
+    function onI2PDStatus(isRunning)
+    {
+
+    }
+
+    Component.onCompleted: {
+        //i2pdManager.i2pdStatus.connect(onI2PDStatus); // figure out a way to keep up to date on the status
+    }
+}

qml.qrc

@@ -185,6 +185,7 @@
         <file>pages/settings/SettingsLog.qml</file>
         <file>pages/settings/SettingsLayout.qml</file>
         <file>pages/settings/SettingsInfo.qml</file>
+        <file>pages/settings/SettingsNetwork.qml</file>
         <file>components/WarningBox.qml</file>
         <file>images/miningxmr.png</file>
         <file>images/miningxmr@2x.png</file>
@@ -222,6 +223,7 @@
         <file>wizard/WizardSummaryItem.qml</file>
         <file>wizard/WizardModeSelection.qml</file>
         <file>wizard/WizardModeRemoteNodeWarning.qml</file>
+        <file>wizard/WizardProtectConnection1.qml</file>
         <file>wizard/WizardModeBootstrap.qml</file>
         <file>wizard/WizardMenuItem.qml</file>
         <file>js/Wizard.js</file>

src/CMakeLists.txt

@@ -1,4 +1,5 @@
 add_subdirectory(QR-Code-scanner)
+add_subdirectory(i2pd)
 add_subdirectory(openpgp)
 add_subdirectory(zxcvbn-c)
 
@@ -100,6 +101,7 @@ target_include_directories(monero-wallet-gui PUBLIC
 	${CMAKE_CURRENT_SOURCE_DIR}
 	${CMAKE_CURRENT_SOURCE_DIR}/daemon
     ${CMAKE_CURRENT_SOURCE_DIR}/p2pool
+    ${CMAKE_CURRENT_SOURCE_DIR}/i2pd
 	${CMAKE_CURRENT_SOURCE_DIR}/libwalletqt
 	${CMAKE_CURRENT_SOURCE_DIR}/model
 	${CMAKE_CURRENT_SOURCE_DIR}/QR-Code-scanner
@@ -132,6 +134,7 @@ target_link_libraries(monero-wallet-gui
     easylogging
     ${QT5_LIBRARIES}
     ${EXTRA_LIBRARIES}
+    i2p
     openpgp
     qrdecoder
     translations

src/i2pd/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_library(i2p STATIC
+        I2PDManager.cpp
+)
+find_package(ZLIB)
+target_link_libraries(i2p PRIVATE i2pd ZLIB::ZLIB)