initial commint

.gitignore

@@ -0,0 +1,14 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+/keystore.properties

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

@@ -0,0 +1,38 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.arsylk.xdiscord"
+        minSdkVersion 22
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+    }
+    signingConfigs {
+        def keystoreProperties = new Properties()
+        keystoreProperties.load(new FileInputStream(rootProject.file('keystore.properties')))
+        release {
+            keyAlias keystoreProperties.getProperty('keyAlias')
+            keyPassword keystoreProperties.getProperty('keyPassword')
+            storeFile file(keystoreProperties.getProperty('storeFile'))
+            storePassword keystoreProperties.getProperty('storePassword')
+        }
+    }
+    buildTypes {
+        release {
+            signingConfig signingConfigs.release
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    compileOnly 'de.robv.android.xposed:api:82'
+    compileOnly 'de.robv.android.xposed:api:82:sources'
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          xmlns:tools="http://schemas.android.com/tools"
+          package="com.arsylk.xdiscord">
+
+    <application
+            android:label="@string/app_name"
+            android:icon="@mipmap/ic_launcher"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            tools:ignore="GoogleAppIndexingWarning">
+
+        <meta-data
+                android:name="xposedmodule"
+                android:value="true" />
+        <meta-data
+                android:name="xposeddescription"
+                android:value="Enables nitro emoticons in Discord" />
+        <meta-data
+                android:name="xposedminversion"
+                android:value="53" />
+
+    </application>
+</manifest>

app/src/main/assets/xposed_init

@@ -0,0 +1 @@
+com.arsylk.xdiscord.XposedInit

app/src/main/java/com/arsylk/xdiscord/Hooks/MessageEntry.java

@@ -0,0 +1,39 @@
+package com.arsylk.xdiscord.Hooks;
+
+import android.util.Pair;
+import com.arsylk.xdiscord.XposedInit;
+import de.robv.android.xposed.XC_MethodHook;
+import de.robv.android.xposed.XposedBridge;
+import de.robv.android.xposed.XposedHelpers;
+
+import java.util.HashMap;
+
+
+public abstract class MessageEntry {
+    public static class AllConstructorsHook extends XC_MethodHook {
+        @Override
+        protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+            Object thisObject = param.thisObject;
+            XposedHelpers.setBooleanField(thisObject, "animateEmojis", true);
+
+            Object messageObject = XposedHelpers.getObjectField(thisObject, "message");
+            String messageContent = (String) XposedHelpers.getObjectField(messageObject, "content");
+            if(XposedHelpers.getAdditionalInstanceField(messageContent, "xHandled") == null) {
+                HashMap allEmojis = (HashMap) XposedHelpers.getAdditionalStaticField(XposedInit.StoreEmojiCustom, "allEmojis");
+                if(allEmojis != null) {
+                    for(Object value : allEmojis.values()) {
+                        Pair pair = (Pair) value;
+                        String regexString = (String) pair.first, replaceString = (String) pair.second;
+
+                        if(!messageContent.contains(replaceString))
+                            messageContent = messageContent.replaceAll(regexString, (replaceString+" "));
+                    }
+                }
+
+                XposedHelpers.setAdditionalInstanceField(messageContent, "xHandled", true);
+                XposedHelpers.setObjectField(messageObject,"content", messageContent);
+                XposedHelpers.setObjectField(thisObject, "message", messageObject);
+            }
+        }
+    }
+}

app/src/main/java/com/arsylk/xdiscord/Hooks/ModelEmojiCustom.java

@@ -0,0 +1,26 @@
+package com.arsylk.xdiscord.Hooks;
+
+import de.robv.android.xposed.XC_MethodReplacement;
+import de.robv.android.xposed.XposedHelpers;
+
+
+public abstract class ModelEmojiCustom {
+    public static class IsAvailableHook extends XC_MethodReplacement {
+        @Override
+        protected Object replaceHookedMethod(MethodHookParam param) throws Throwable {
+            Object thisObject = param.thisObject;
+            XposedHelpers.setObjectField(thisObject, "available", Boolean.TRUE);
+
+            return Boolean.TRUE;
+        }
+    }
+    public static class IsUsableHook extends XC_MethodReplacement {
+        @Override
+        protected Object replaceHookedMethod(MethodHookParam param) throws Throwable {
+            Object thisObject = param.thisObject;
+            XposedHelpers.setObjectField(thisObject, "isUsable", Boolean.TRUE);
+
+            return Boolean.TRUE;
+        }
+    }
+}

app/src/main/java/com/arsylk/xdiscord/Hooks/ModelMessage.java

@@ -0,0 +1,37 @@
+package com.arsylk.xdiscord.Hooks;
+
+import android.util.Pair;
+import com.arsylk.xdiscord.XposedInit;
+import de.robv.android.xposed.XC_MethodReplacement;
+import de.robv.android.xposed.XposedBridge;
+import de.robv.android.xposed.XposedHelpers;
+
+import java.util.HashMap;
+
+public abstract class ModelMessage {
+    public static class GetContentHook extends XC_MethodReplacement {
+        @Override
+        protected Object replaceHookedMethod(MethodHookParam param) throws Throwable {
+            Object thisObject = param.thisObject;
+
+            String content = (String) XposedHelpers.getObjectField(thisObject, "content");
+            if(XposedHelpers.getAdditionalInstanceField(content, "xHandled") == null) {
+                HashMap allEmojis = (HashMap) XposedHelpers.getAdditionalStaticField(XposedInit.StoreEmojiCustom, "allEmojis");
+                if(allEmojis != null) {
+                    for(Object value : allEmojis.values()) {
+                        Pair pair = (Pair) value;
+                        String regexString = (String) pair.first, replaceString = (String) pair.second;
+
+                        content = content.replaceAll(regexString, replaceString);
+                    }
+                }
+
+                XposedBridge.log(content);
+                XposedHelpers.setAdditionalInstanceField(content, "xHandled", true);
+                XposedHelpers.setObjectField(thisObject,"content", content);
+            }
+
+            return content;
+        }
+    }
+}

app/src/main/java/com/arsylk/xdiscord/Hooks/StoreEmojiCustom.java

@@ -0,0 +1,38 @@
+package com.arsylk.xdiscord.Hooks;
+
+import android.util.Pair;
+import com.arsylk.xdiscord.XposedInit;
+import de.robv.android.xposed.XC_MethodHook;
+import de.robv.android.xposed.XposedHelpers;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public abstract class StoreEmojiCustom {
+    public static class UpdateAvailableGuildEmojisHook extends XC_MethodHook {
+        @Override
+        protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+            Object thisObject = param.thisObject;
+
+            HashMap<String, Pair<String, String>> allEmojis = new HashMap<>();
+            HashMap allGuildEmojis = (HashMap) XposedHelpers.getObjectField(thisObject, "allGuildEmojis");
+            if(allGuildEmojis != null) {
+                for(Object allGuildEmojisValue : allGuildEmojis.values()) {
+                    if(allGuildEmojisValue != null) {
+                        for(Object emoji : ((Map) allGuildEmojisValue).values()) {
+                            String emojiIdStr = (String) XposedHelpers.callMethod(emoji, "getIdStr");
+                            String emojiRegex = (String) XposedHelpers.callMethod(emoji, "getColonRegex");
+                            String emojiReplace = (String) XposedHelpers.callMethod(emoji, "getMessageContentReplacement");
+
+                            allEmojis.put(emojiIdStr, new Pair<>(emojiRegex, emojiReplace));
+                        }
+                    }
+                }
+            }
+
+
+
+            XposedHelpers.setAdditionalStaticField(XposedInit.StoreEmojiCustom, "allEmojis", allEmojis);
+        }
+    }
+}

app/src/main/java/com/arsylk/xdiscord/XposedInit.java

@@ -0,0 +1,81 @@
+package com.arsylk.xdiscord;
+
+import com.arsylk.xdiscord.Hooks.MessageEntry;
+import com.arsylk.xdiscord.Hooks.ModelEmojiCustom;
+import com.arsylk.xdiscord.Hooks.ModelMessage;
+import com.arsylk.xdiscord.Hooks.StoreEmojiCustom;
+import de.robv.android.xposed.IXposedHookLoadPackage;
+import de.robv.android.xposed.IXposedHookZygoteInit;
+import de.robv.android.xposed.XposedBridge;
+import de.robv.android.xposed.XposedHelpers;
+import de.robv.android.xposed.callbacks.XC_LoadPackage;
+
+import java.lang.reflect.Method;
+import java.util.Collection;
+
+
+public class XposedInit implements IXposedHookZygoteInit, IXposedHookLoadPackage {
+    public static final String DISCORD_PACKAGE = "com.discord";
+
+    public static Class StoreEmojiCustom = null;
+    private Method updateAvailableGuildEmojis = null;
+    public static Class ModelEmojiCustom = null;
+    private Method isAvailable = null, isUsable = null;
+    public static Class MessageEntry = null, ModelMessage = null;
+    private Method getContent = null;
+
+
+    @Override
+    public void initZygote(StartupParam startupParam) throws Throwable {
+    }
+
+    @Override
+    public void handleLoadPackage(XC_LoadPackage.LoadPackageParam lpparam) throws Throwable {
+        if(!lpparam.packageName.equals(DISCORD_PACKAGE))
+            return;
+        XposedBridge.log("Loaded app: " + lpparam.packageName);
+
+
+        if(!findClasses(lpparam)) {
+            XposedBridge.log("Failed to find necessary classes");
+            return;
+        }
+        XposedBridge.log("All necessary classes found");
+
+        if(!findMethods(lpparam)) {
+            XposedBridge.log("Failed to find necessary methods");
+            return;
+        }
+        XposedBridge.log("All necessary methods found");
+
+
+        // hook methods
+        XposedBridge.hookMethod(updateAvailableGuildEmojis, new StoreEmojiCustom.UpdateAvailableGuildEmojisHook());
+        XposedBridge.hookMethod(isAvailable, new ModelEmojiCustom.IsAvailableHook());
+        XposedBridge.hookMethod(isUsable, new ModelEmojiCustom.IsUsableHook());
+        // XposedBridge.hookMethod(getContent, new ModelMessage.GetContentHook());
+
+        // hook constructors
+        XposedBridge.hookAllConstructors(MessageEntry, new MessageEntry.AllConstructorsHook());
+    }
+
+    private boolean findClasses(XC_LoadPackage.LoadPackageParam lpparam) {
+        StoreEmojiCustom = XposedHelpers.findClassIfExists("com.discord.stores.StoreEmojiCustom", lpparam.classLoader);
+        ModelEmojiCustom = XposedHelpers.findClassIfExists("com.discord.models.domain.emoji.ModelEmojiCustom", lpparam.classLoader);
+        MessageEntry = XposedHelpers.findClassIfExists("com.discord.widgets.chat.list.entries.MessageEntry", lpparam.classLoader);
+        ModelMessage = XposedHelpers.findClassIfExists("com.discord.models.domain.ModelMessage", lpparam.classLoader);
+
+        return (StoreEmojiCustom != null && ModelEmojiCustom != null && MessageEntry != null && ModelMessage != null);
+    }
+
+    private boolean findMethods(XC_LoadPackage.LoadPackageParam lpparam) {
+        updateAvailableGuildEmojis = XposedHelpers.findMethodExactIfExists(StoreEmojiCustom,
+                "updateAvailableGuildEmojis",
+                long.class, "com.discord.models.domain.ModelGuildMember", Collection.class);
+        isAvailable = XposedHelpers.findMethodExactIfExists(ModelEmojiCustom, "isAvailable");
+        isUsable = XposedHelpers.findMethodExactIfExists(ModelEmojiCustom, "isUsable");
+        getContent = XposedHelpers.findMethodExactIfExists(ModelMessage, "getContent");
+
+        return (updateAvailableGuildEmojis != null && isAvailable != null && isUsable != null && getContent != null);
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+            android:fillType="evenOdd"
+            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:endX="78.5885"
+                    android:endY="90.9159"
+                    android:startX="48.7653"
+                    android:startY="61.0927"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1"/>
+</vector>