From 7839218bbbf121e3ac909e4de60359e4b93394ad Mon Sep 17 00:00:00 2001
From: Fox2Code <fox2code@gmail.com>
Date: Fri, 28 Jan 2022 19:27:16 +0100
Subject: [PATCH] Add initial Androidacy WebView Activity implementation.

---
 app/src/main/AndroidManifest.xml              |  6 ++
 .../mmm/androidacy/AndoridacyActivity.java    | 66 +++++++++++++++++++
 .../fox2code/mmm/compat/CompatActivity.java   | 17 +++++
 .../java/com/fox2code/mmm/utils/Http.java     | 26 ++++++--
 app/src/main/res/layout/webview.xml           |  9 +++
 5 files changed, 119 insertions(+), 5 deletions(-)
 create mode 100644 app/src/main/java/com/fox2code/mmm/androidacy/AndoridacyActivity.java
 create mode 100644 app/src/main/res/layout/webview.xml

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f742f4d..d7a64c0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -70,6 +70,12 @@
             android:exported="false"
             android:theme="@style/Theme.MagiskModuleManager">
         </activity>
+        <activity
+            android:name=".androidacy.AndoridacyActivity"
+            android:parentActivityName=".MainActivity"
+            android:exported="false"
+            android:theme="@style/Theme.MagiskModuleManager">
+        </activity>
         <activity android:name="com.mikepenz.aboutlibraries.ui.LibsActivity"
             tools:node="remove"/>
         <provider
diff --git a/app/src/main/java/com/fox2code/mmm/androidacy/AndoridacyActivity.java b/app/src/main/java/com/fox2code/mmm/androidacy/AndoridacyActivity.java
new file mode 100644
index 0000000..f001c2c
--- /dev/null
+++ b/app/src/main/java/com/fox2code/mmm/androidacy/AndoridacyActivity.java
@@ -0,0 +1,66 @@
+package com.fox2code.mmm.androidacy;
+
+import android.annotation.SuppressLint;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.webkit.WebResourceRequest;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+import androidx.annotation.Nullable;
+
+import com.fox2code.mmm.R;
+import com.fox2code.mmm.compat.CompatActivity;
+import com.fox2code.mmm.utils.Http;
+import com.fox2code.mmm.utils.IntentHelper;
+
+/**
+ * Per Androidacy repo implementation agreement, no request of this WebView shall be modified.
+ */
+public class AndoridacyActivity extends CompatActivity {
+    private WebView webView;
+
+    @Override
+    @SuppressLint("SetJavaScriptEnabled")
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Intent intent = this.getIntent();
+        Uri uri;
+        if (intent == null || (uri = intent.getData()) == null
+                || !uri.getHost().endsWith(".androidacy.com")) {
+            this.forceBackPressed();
+            return;
+        }
+        this.setContentView(R.layout.webview);
+        this.hideActionBar();
+        this.webView = this.findViewById(R.id.webView);
+        WebSettings webSettings = this.webView.getSettings();
+        webSettings.setUserAgentString(Http.getAndroidacyUA());
+        webSettings.setDomStorageEnabled(true);
+        webSettings.setJavaScriptEnabled(true);
+        this.webView.setWebViewClient(new WebViewClient() {
+            @Override
+            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
+                if (request.isForMainFrame() && // Don't open non andoridacy urls inside WebView
+                        !request.getUrl().getHost().endsWith(".androidacy.com")) {
+                    IntentHelper.openUrl(view.getContext(), request.getUrl().toString());
+                    return true;
+                }
+                return false;
+            }
+        });
+        this.webView.loadUrl(uri.toString());
+    }
+
+    @Override
+    public void onBackPressed() {
+        WebView webView = this.webView;
+        if (webView != null && webView.canGoBack()) {
+            webView.goBack();
+        } else {
+            super.onBackPressed();
+        }
+    }
+}
diff --git a/app/src/main/java/com/fox2code/mmm/compat/CompatActivity.java b/app/src/main/java/com/fox2code/mmm/compat/CompatActivity.java
index ad0f596..9636090 100644
--- a/app/src/main/java/com/fox2code/mmm/compat/CompatActivity.java
+++ b/app/src/main/java/com/fox2code/mmm/compat/CompatActivity.java
@@ -134,6 +134,23 @@ public class CompatActivity extends AppCompatActivity {
         }
     }
 
+    public void hideActionBar() {
+        androidx.appcompat.app.ActionBar compatActionBar;
+        try {
+            compatActionBar = this.getSupportActionBar();
+        } catch (Exception e) {
+            Log.e(TAG, "Failed to call getSupportActionBar", e);
+            compatActionBar = null; // Allow fallback to builtin actionBar.
+        }
+        if (compatActionBar != null) {
+            compatActionBar.hide();
+        } else {
+            android.app.ActionBar actionBar = this.getActionBar();
+            if (actionBar != null)
+                actionBar.hide();
+        }
+    }
+
     public void setActionBarExtraMenuButton(@DrawableRes int drawableResId,
                                             MenuItem.OnMenuItemClickListener menuClickListener) {
         Objects.requireNonNull(menuClickListener);
diff --git a/app/src/main/java/com/fox2code/mmm/utils/Http.java b/app/src/main/java/com/fox2code/mmm/utils/Http.java
index e2158ef..20df1d6 100644
--- a/app/src/main/java/com/fox2code/mmm/utils/Http.java
+++ b/app/src/main/java/com/fox2code/mmm/utils/Http.java
@@ -7,6 +7,7 @@ import android.os.Build;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.util.Log;
+import android.webkit.CookieManager;
 
 import androidx.annotation.NonNull;
 
@@ -28,12 +29,11 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Locale;
+import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.TimeUnit;
 
 import okhttp3.Cache;
-import okhttp3.ConnectionSpec;
 import okhttp3.Cookie;
 import okhttp3.CookieJar;
 import okhttp3.Dns;
@@ -50,6 +50,7 @@ public class Http {
     private static final OkHttpClient httpClient;
     private static final OkHttpClient httpClientWithCache;
     private static final FallBackDNS fallbackDNS;
+    private static final String androidacyUA;
 
     static {
         MainApplication mainApplication = MainApplication.getINSTANCE();
@@ -66,6 +67,7 @@ public class Http {
             }
             throw error;
         }
+        CookieManager.getInstance().setAcceptCookie(true);
         OkHttpClient.Builder httpclientBuilder = new OkHttpClient.Builder();
         // Default is 10, extend it a bit for slow mobile connections.
         httpclientBuilder.connectTimeout(15, TimeUnit.SECONDS);
@@ -93,7 +95,7 @@ public class Http {
                 return Dns.SYSTEM.lookup(s);
             };
             httpclientBuilder.dns(dns);
-            httpclientBuilder.cookieJar(new CDNCookieJar());
+            httpclientBuilder.cookieJar(new CDNCookieJar(false));
             dns = new DnsOverHttps.Builder().client(httpclientBuilder.build()).url(
                     Objects.requireNonNull(HttpUrl.parse("https://cloudflare-dns.com/dns-query")))
                     .bootstrapDnsHosts(cloudflareBootstrap).resolvePrivateAddresses(true).build();
@@ -101,7 +103,7 @@ public class Http {
             Log.e(TAG, "Failed to init DoH", e);
         }
         httpclientBuilder.cookieJar(CookieJar.NO_COOKIES);
-        final String androidacyUA = // User-Agent format was agreed on telegram
+        androidacyUA = // User-Agent format was agreed on telegram
                 "Mozilla/5.0 (Linux; Android " + Build.VERSION.RELEASE + "; " + Build.DEVICE +")" +
                 " AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Mobile Safari/537.36"
                 + " FoxMmm/" + BuildConfig.VERSION_CODE;
@@ -125,11 +127,11 @@ public class Http {
                 "camo.githubusercontent.com", "user-images.githubusercontent.com",
                 "cdn.jsdelivr.net", "img.shields.io", "magisk-modules-repo.github.io",
                 "www.androidacy.com", "api.androidacy.com"));
+        httpclientBuilder.cookieJar(new CDNCookieJar(true));
         httpClient = httpclientBuilder.build();
         httpclientBuilder.cache(new Cache(
                 new File(mainApplication.getCacheDir(), "http_cache"),
                 16L * 1024L * 1024L)); // 16Mib of cache
-        httpclientBuilder.cookieJar(new CDNCookieJar());
         httpClientWithCache = httpclientBuilder.build();
         Log.i(TAG, "Initialized Http successfully!");
     }
@@ -208,6 +210,10 @@ public class Http {
         }
     }
 
+    public static String getAndroidacyUA() {
+        return androidacyUA;
+    }
+
     /**
      * Cookie jar that allow CDN cookies, reset on app relaunch
      * Note: An argument can be made that it allow tracking but
@@ -219,11 +225,21 @@ public class Http {
      * */
     private static class CDNCookieJar implements CookieJar {
         private final HashMap<String, Cookie> cookieMap = new HashMap<>();
+        private final boolean androidacySupport;
+
+        private CDNCookieJar(boolean androidacySupport) {
+            this.androidacySupport = androidacySupport;
+        }
 
         @NonNull
         @Override
         public List<Cookie> loadForRequest(@NonNull HttpUrl httpUrl) {
             if (!httpUrl.isHttps()) return Collections.emptyList();
+            if (this.androidacySupport && httpUrl.host().endsWith(".androidacy.com")) {
+                String cookies = CookieManager.getInstance().getCookie(httpUrl.uri().toString());
+                if (cookies == null || cookies.isEmpty()) return Collections.emptyList();
+
+            }
             Cookie cookies = cookieMap.get(httpUrl.url().getHost());
             return cookies == null || cookies.expiresAt() < System.currentTimeMillis() ?
                     Collections.emptyList() : Collections.singletonList(cookies);
diff --git a/app/src/main/res/layout/webview.xml b/app/src/main/res/layout/webview.xml
new file mode 100644
index 0000000..5174fc5
--- /dev/null
+++ b/app/src/main/res/layout/webview.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <WebView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:id="@+id/webView" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file