Peer to peer implementation

build.gradle

@@ -32,7 +32,7 @@ buildscript {
     versions.coroutinesAndroid = '1.5.2'
     versions.gson = '2.9.0'
     versions.legacyV4 = '1.0.0'
-    versions.tooltip = '1.0.0-alpha06-SNAPSHOT'
+    versions.tooltip = '0.2.0'
     versions.retrofit2KotliCoroutinesAdapter = '0.9.2'
     versions.desugar = '1.1.5'
     versions.multidex = '2.0.1'
@@ -102,6 +102,7 @@ buildscript {
         classpath "com.google.firebase:firebase-crashlytics-gradle:$versions.crashlyticsGradle"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
         classpath 'com.google.dagger:hilt-android-gradle-plugin:2.50'
+        classpath "org.jetbrains.kotlin:kotlin-serialization:$versions.kotlin"
     }
 }
 

mobile/build.gradle

@@ -5,6 +5,7 @@ plugins {
     id 'dagger.hilt.android.plugin'
     id 'com.google.firebase.crashlytics'
     id 'com.google.gms.google-services'
+    id 'org.jetbrains.kotlin.plugin.serialization'
 }
 
 android {
@@ -14,8 +15,8 @@ android {
         minSdkVersion versions.minSdk
         compileSdkVersion versions.compileSdk
         targetSdkVersion versions.targetSdk
-        versionCode 211
-        versionName "2.17.0"
+        versionCode 212
+        versionName "3.0.0"
         multiDexEnabled true
 
         ndk {
@@ -88,7 +89,7 @@ android {
     }
     packagingOptions {
         exclude 'META-INF/DEPENDENCIES'
-
+        exclude 'META-INF/versions/9/OSGI-INF/MANIFEST.MF'
     }
     namespace 'org.horizontal.tella.mobile'
 }
@@ -233,6 +234,21 @@ dependencies {
     implementation "com.github.nextcloud-deps.hwsecurity:hwsecurity-fido:$versions.fidoVersion"
     implementation "com.github.nextcloud-deps.hwsecurity:hwsecurity-fido2:$versions.fidoVersion"
 
+    //QR CODE SCAN/GENERATE LIBRARY
+    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
+
+    //ktor imp
+    implementation("io.ktor:ktor-serialization-kotlinx-json:2.3.9")
+    implementation("io.ktor:ktor-server-core:2.3.9")
+    implementation("io.ktor:ktor-server-netty:2.3.9")
+    implementation("io.ktor:ktor-server-content-negotiation:2.3.9")
+    implementation("io.ktor:ktor-server-cio:2.3.9")
+    implementation "io.ktor:ktor-server-call-logging:2.3.9" // or your current version
+
+
+    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3' // Use the latest version
+
+
 }
 
 def getLocalProperties() {

mobile/proguard-rules.pro

@@ -246,4 +246,7 @@
 -if class androidx.credentials.CredentialManager
 -keep class androidx.credentials.playservices.** {
   *;
-}
+}
+
+-keep class org.bouncycastle.** { *; }
+-dontwarn org.bouncycastle.**

mobile/src/main/AndroidManifest.xml

@@ -34,6 +34,7 @@
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
+    <uses-permission android:name="android.permission.NEARBY_WIFI_DEVICES" />
 
     <queries>
         <intent>
@@ -49,9 +50,9 @@
         android:icon="@mipmap/tella_icon"
         android:label="@string/app_name"
         android:largeHeap="true"
+        android:localeConfig="@xml/locales_config"
         android:networkSecurityConfig="@xml/configure_localhost_media_file_http_server"
         android:roundIcon="@mipmap/tella_icon_round"
-        android:localeConfig="@xml/locales_config"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true"
@@ -502,6 +503,7 @@
 
         <activity
             android:name=".views.activity.MainActivity"
+            android:launchMode="singleTop"
             android:configChanges="keyboard|keyboardHidden|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
             android:theme="@style/AppTheme.NoActionBar" />
         <activity
@@ -698,6 +700,12 @@
 
         </activity>
 
+        <activity
+            android:name=".views.fragment.peertopeer.activity.PeerToPeerActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:theme="@style/AppTheme.NoActionBar"
+            android:windowSoftInputMode="adjustResize" />
+
     </application>
 
 </manifest>

mobile/src/main/assets/testDemo.txt

@@ -0,0 +1 @@
+                                       This is a test yo

mobile/src/main/java/org/horizontal/tella/mobile/MyApplication.java

@@ -8,9 +8,11 @@
 import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
+import android.net.http.HttpResponseCache;
 import android.os.Build;
 import android.os.StrictMode;
 import android.os.Bundle;
+import android.util.Log;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
@@ -19,6 +21,7 @@
 import androidx.appcompat.app.AppCompatDelegate;
 import androidx.hilt.work.HiltWorkerFactory;
 import androidx.lifecycle.ProcessLifecycleOwner;
+import androidx.multidex.MultiDex;
 import androidx.multidex.MultiDexApplication;
 import androidx.work.Configuration;
 
@@ -36,6 +39,7 @@
 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
 
 import org.horizontal.tella.mobile.data.KeyRxVault;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.hzontal.shared_ui.data.CommonPrefs;
 
 import org.conscrypt.Conscrypt;
@@ -53,6 +57,7 @@
 import java.io.File;
 import java.lang.ref.WeakReference;
 import java.security.NoSuchAlgorithmException;
+import java.security.Provider;
 import java.security.Security;
 import java.util.Arrays;
 
@@ -101,8 +106,6 @@ public class MyApplication extends MultiDexApplication implements IUnlockRegistr
     Vault.Config vaultConfig;
     private static final String TAG = MyApplication.class.getSimpleName();
     public static final String DOT = ".";
-    public static final OwnCloudVersion MINIMUM_SUPPORTED_SERVER_VERSION = OwnCloudVersion.nextcloud_17;
-    private static WeakReference<Context> appContext;
     private long startTime;
     private long totalTimeSpent = 0; // Store total time spent in the app
     private int activityReferences = 0;
@@ -168,6 +171,7 @@ public static void resetKeys() {
 
     @Override
     protected void attachBaseContext(Context newBase) {
+        MultiDex.install(this);
         CommonPrefs.getInstance().init(newBase);
         SharedPrefs.getInstance().init(newBase);
         super.attachBaseContext(LocaleManager.getInstance().getLocalizedContext(newBase));
@@ -240,6 +244,7 @@ public void accept(Throwable throwable) {
         TellaKeysUI.initialize(mainKeyStore, mainKeyHolder, unlockRegistry, this, Preferences.getFailedUnlockOption(), Preferences.getUnlockRemainingAttempts(), Preferences.isShowUnlockRemainingAttempts());
         insertConscrypt();
         enableStrictMode();
+        setupBouncyCastleProvider();
     }
 
     private void configureCrashlytics() {
@@ -443,4 +448,15 @@ private void enableStrictMode() {
     }
 
 
+    private void setupBouncyCastleProvider() {
+        try {
+            if (Security.getProvider("BC") == null) {
+                Security.addProvider(new BouncyCastleProvider());
+                Timber.i("BouncyCastle provider registered");
+            }
+        } catch (Exception e) {
+            Timber.e(e, "Failed to register BouncyCastle provider");
+        }
+    }
+
 }

mobile/src/main/java/org/horizontal/tella/mobile/certificate/CertificateGenerator.kt

@@ -0,0 +1,69 @@
+package org.horizontal.tella.mobile.certificate
+
+import org.bouncycastle.asn1.x500.X500Name
+import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter
+import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder
+import org.bouncycastle.jce.provider.BouncyCastleProvider
+import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder
+import java.security.KeyPair
+import java.security.KeyPairGenerator
+import java.security.Security
+import java.security.cert.X509Certificate
+import java.util.Date
+
+object CertificateGenerator {
+
+    init {
+        if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {
+            Security.addProvider(BouncyCastleProvider())
+        }
+    }
+
+    fun generateCertificate(
+        commonName: String = "Tella Android",
+        organization: String = "Tella",
+        validityDays: Int = 7,
+        ipAddress: String
+    ): Pair<KeyPair, X509Certificate> {
+        require(ipAddress.isNotBlank()) { "IP address must not be empty when generating a certificate." }
+
+        val keyGen = KeyPairGenerator.getInstance("RSA")
+        keyGen.initialize(2048)
+        val keyPair = keyGen.generateKeyPair()
+
+        val now = Date()
+        val validTo = Date(now.time + validityDays * 86400000L)
+
+        val issuer = X500Name("CN=$commonName,O=$organization")
+        val subject = issuer
+
+        val serialNumber = CertificateUtils.generateSerialNumber()
+
+        val certBuilder = JcaX509v3CertificateBuilder(
+            issuer, serialNumber, now, validTo, subject, keyPair.public
+        )
+
+        val san = org.bouncycastle.asn1.x509.GeneralNames(
+            org.bouncycastle.asn1.x509.GeneralName(
+                org.bouncycastle.asn1.x509.GeneralName.iPAddress, ipAddress
+            )
+        )
+        certBuilder.addExtension(
+            org.bouncycastle.asn1.x509.Extension.subjectAlternativeName,
+            false,
+            san
+        )
+
+        val signer = JcaContentSignerBuilder("SHA256withRSA")
+            .build(keyPair.private)
+
+        val holder = certBuilder.build(signer)
+
+        val certificate = JcaX509CertificateConverter()
+            .getCertificate(holder)
+
+        return Pair(keyPair, certificate)
+    }
+
+
+}

mobile/src/main/java/org/horizontal/tella/mobile/certificate/CertificateUtils.kt

@@ -0,0 +1,75 @@
+package org.horizontal.tella.mobile.certificate
+
+import android.util.Base64
+import org.bouncycastle.asn1.x500.X500Name
+import org.bouncycastle.asn1.x509.Extension
+import org.bouncycastle.asn1.x509.GeneralName
+import org.bouncycastle.asn1.x509.GeneralNames
+import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter
+import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder
+import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder
+import java.math.BigInteger
+import java.security.KeyPair
+import java.security.SecureRandom
+import java.security.cert.CertificateFactory
+import java.security.cert.X509Certificate
+import java.security.KeyStore
+import java.util.Date
+import java.util.UUID
+import javax.net.ssl.KeyManagerFactory
+import javax.net.ssl.SSLContext
+import javax.net.ssl.TrustManagerFactory
+import javax.net.ssl.X509TrustManager
+
+object CertificateUtils {
+
+
+    fun generateKeyPair(): KeyPair {
+        val keyPairGenerator = java.security.KeyPairGenerator.getInstance("RSA")
+        keyPairGenerator.initialize(2048)
+        return keyPairGenerator.generateKeyPair()
+    }
+
+    fun generateSelfSignedCertificate(keyPair: KeyPair, ipAddress: String): X509Certificate {
+        val now = Date()
+        val until = Date(now.time + 365L * 24 * 60 * 60 * 1000) // Valid for 1 year
+
+        val serial = BigInteger(128, SecureRandom())
+        val dn = X500Name("CN=Tella P2P, O=Tella, C=US")
+
+        val certBuilder = JcaX509v3CertificateBuilder(
+            dn, serial, now, until, dn, keyPair.public
+        )
+
+        val san = GeneralNames(
+            GeneralName(GeneralName.iPAddress, ipAddress)
+        )
+
+        certBuilder.addExtension(
+            Extension.subjectAlternativeName, false, san
+        )
+
+        val signer = JcaContentSignerBuilder("SHA256WithRSAEncryption").build(keyPair.private)
+
+        val certHolder = certBuilder.build(signer)
+        return JcaX509CertificateConverter().setProvider(org.bouncycastle.jce.provider.BouncyCastleProvider())
+            .getCertificate(certHolder)
+    }
+
+
+    fun generateSerialNumber(): BigInteger {
+        return BigInteger(128, SecureRandom())
+    }
+
+    fun certificateToPem(certificate: X509Certificate): String {
+        val encoded = Base64.encodeToString(certificate.encoded, Base64.NO_WRAP)
+        return "-----BEGIN CERTIFICATE-----\n$encoded\n-----END CERTIFICATE-----"
+    }
+
+    fun getPublicKeyHash(certificate: X509Certificate): String {
+        val digest = java.security.MessageDigest.getInstance("SHA-256")
+        val hash = digest.digest(certificate.encoded)
+        return hash.joinToString("") { "%02x".format(it) } // <-- fix here
+    }
+
+}

mobile/src/main/java/org/horizontal/tella/mobile/data/database/DataSource.java

@@ -5,7 +5,6 @@
 import android.content.Context;
 import android.database.Cursor;
 import android.text.TextUtils;
-
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;