Merge pull request #364 from zod/essbee-profile-intent

Add intent receiver for profiles

@zod and @EssBee59 
Many thanks for your work.

brouter-routing-app/src/main/AndroidManifest.xml

@@ -16,33 +16,87 @@
         android:label="@string/app_name"
         android:allowBackup="false"
         android:preserveLegacyExternalStorage="true">
-        <activity android:name=".BRouterActivity"
+        <activity
+            android:name=".BRouterActivity"
             android:label="@string/app_name"
             android:exported="true"
-            android:screenOrientation="unspecified" 
+            android:screenOrientation="unspecified"
             android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".BInstallerActivity"
+        <activity
+            android:name=".BInstallerActivity"
             android:label="@string/app_name"
             android:screenOrientation="landscape"
             android:launchMode="singleTask"
             android:exported="true"
-            android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
+            android:theme="@android:style/Theme.NoTitleBar.Fullscreen"></activity>
+        <activity
+            android:name=".BImportActivity"
+            android:label="Import Profile"
+            android:exported="true"
+            android:theme="@android:style/Theme.NoTitleBar">
+            <!-- some apps (bluemail) do not recognize the .brf file extention, startactivity+intent is done for attachement with text/plain -->
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:scheme="file" />
+                <data android:scheme="content" />
+                <data android:mimeType="text/plain" />
+            </intent-filter>
+
+            <!-- general intent to register .brf files -->
+            <intent-filter
+                android:label="@string/app_name"
+                android:priority="50">
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="file" />
+                <data android:scheme="content" />
+                <data android:host="*" />
+                <data android:pathPattern=".*\\.brf" />
+                <data android:pathPattern=".*\\..*\\.brf" />
+                <data android:pathPattern=".*\\..*\\..*\\.brf" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\.brf" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\.brf" />
+            </intent-filter>
+
+            <intent-filter
+                android:label="@string/app_name"
+                android:priority="50">
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="file" />
+                <data android:scheme="content" />
+                <data android:host="*" />
+                <data android:mimeType="*/*" />
+                <data android:pathPattern=".*\\.brf" />
+                <data android:pathPattern=".*\\..*\\.brf" />
+                <data android:pathPattern=".*\\..*\\..*\\.brf" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\.brf" />
+                <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\.brf" />
+            </intent-filter>
         </activity>
+
         <service
             android:exported="true"
             android:name=".BRouterService"
             android:enabled="true"
             android:process=":brouter_service" />
-        <service android:name="btools.routingapp.DownloadService"
+        <service
+            android:name="btools.routingapp.DownloadService"
             android:label="Download Service"
             android:icon="@mipmap/ic_launcher"
-            android:enabled="true"
-            />
+            android:enabled="true" />
 
     </application>
 </manifest>

brouter-routing-app/src/main/java/btools/routingapp/BImportActivity.java

@@ -0,0 +1,158 @@
+package btools.routingapp;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.OpenableColumns;
+import android.text.format.Formatter;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.annotation.Nullable;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+public class BImportActivity extends Activity {
+  // profile size is generally < 30 kb, so set max size to 100 kb
+  private static final int MAX_PROFILE_SIZE = 100000;
+  private EditText mTextFilename;
+  private Button mButtonImport;
+  private String mProfileData;
+  private EditText mTextProfile;
+
+  @Override
+  protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    setContentView(R.layout.import_intent);
+    mTextFilename = findViewById(R.id.editTextFilename);
+    mButtonImport = findViewById(R.id.buttonImport);
+    mButtonImport.setEnabled(false);
+    mButtonImport.setOnClickListener(view -> importProfile());
+    mTextProfile = findViewById(R.id.editTextProfile);
+
+    Intent intent = getIntent();
+    String action = intent.getAction();
+    if (Intent.ACTION_VIEW.equals(action)) {
+      parseIntent(intent);
+    }
+  }
+
+  private boolean isBuiltinProfile(String filename) {
+    String[] builtinProfiles = new ServerConfig(this).getProfiles();
+    for (String builtinProfile : builtinProfiles) {
+      if (filename.equals(builtinProfile)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  private boolean isInvalidProfileFilename(String filename) {
+    return !filename.endsWith(".brf");
+  }
+
+  private void parseIntent(Intent intent) {
+    if (intent.getData() == null) {
+      return;
+    }
+
+    StringBuilder resultMessage = new StringBuilder();
+    Uri dataUri = intent.getData();
+
+    // by some apps (bluemail) the file name must be "extracted" from the URI, as example with the following code
+    // see https://stackoverflow.com/questions/14364091/retrieve-file-path-from-caught-downloadmanager-intent
+    // URI example ==>  dat=content://me.bluemail.mail.attachmentprovider/a2939069-76b5-44e4-8cbd-94485d0fd4ff/cc32b61d-97a6-4871-b67f-945d1d1d43c8/VIEW
+    String filename = null;
+    long filesize = 0L;
+    try (Cursor cursor = this.getContentResolver().query(intent.getData(), new String[]{
+      OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE}, null, null, null)) {
+      if (cursor != null && cursor.moveToFirst()) {
+        filename = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+        filesize = cursor.getLong(cursor.getColumnIndex(OpenableColumns.SIZE));
+      }
+    }
+    // is the file extention ".brf" in the file name
+    if (filename == null || isInvalidProfileFilename(filename)) {
+      resultMessage.append("ERROR: File extention must be \".brf\"\n");
+      displayMessage(resultMessage.toString());
+      return;
+    }
+
+    if (filesize > MAX_PROFILE_SIZE) {
+      String errorMessage = String.format("ERROR: File size (%s) exceeds limit (%s)\n",
+        Formatter.formatFileSize(this, filesize),
+        Formatter.formatFileSize(this, MAX_PROFILE_SIZE));
+      displayMessage(errorMessage);
+      return;
+    }
+
+    try (
+      InputStream inputStream = getContentResolver().openInputStream(dataUri);
+      BufferedReader br = new BufferedReader(new InputStreamReader(inputStream))) {
+      StringBuilder sb = new StringBuilder();
+      String line = br.readLine();
+
+      while (line != null) {
+        sb.append(line);
+        sb.append(System.getProperty("line.separator"));
+        line = br.readLine();
+      }
+      mProfileData = sb.toString();
+    } catch (IOException e) {
+      resultMessage.append(String.format("ERROR: failed to load profile content (%s)", e.getMessage()));
+      displayMessage(resultMessage.toString());
+    }
+
+    if (!mProfileData.contains("---context:global") || (!mProfileData.contains("---context:way"))) {
+      resultMessage.append("ERROR: this file is not a valid brouter-profile\n");
+      displayMessage(resultMessage.toString());
+      return;
+    }
+
+    mTextFilename.setText(filename);
+    mTextProfile.setText(mProfileData);
+    mButtonImport.setEnabled(true);
+  }
+
+  void displayMessage(String message) {
+    Toast.makeText(this, message, Toast.LENGTH_LONG).show();
+  }
+
+  boolean importProfile() {
+    String filename = mTextFilename.getText().toString();
+    if (isInvalidProfileFilename(filename)) {
+      displayMessage("ERROR: File extention must be \".brf\"\n");
+      return false;
+    } else if (isBuiltinProfile(filename)) {
+      displayMessage("ERROR: Built-in profile exists\n");
+      return false;
+    }
+
+    writeProfile(filename, mProfileData);
+    return true;
+  }
+
+  void writeProfile(String filename, String profileData) {
+    File baseDir = ConfigHelper.getBaseDir(this);
+
+    try {
+      File file = new File(baseDir, "brouter/profiles2/" + filename);
+      FileOutputStream stream = new FileOutputStream(file);
+      stream.write(profileData.getBytes());
+      stream.close();
+      displayMessage("Profile successfully imported");
+    } catch (IOException e) {
+      displayMessage(String.format("Profile import failed: %s", e.getMessage()));
+    }
+  }
+
+}

brouter-routing-app/src/main/java/btools/routingapp/DownloadService.java

@@ -11,14 +11,11 @@ import android.os.HandlerThread;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
-import android.os.StatFs;
 import android.util.Log;
 import android.widget.Toast;
 
-import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileOutputStream;
-import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -35,11 +32,7 @@ public class DownloadService extends Service implements ProgressListener  {
 
     private static final boolean DEBUG = false;
 
-    String segmenturl = "https://brouter.de/brouter/segments4/";
-    String lookupurl = "https://brouter.de/brouter/profile2/";
-    String profilesurl = "https://brouter.de/brouter/profile2/";
-    String checkLookup = "lookups.dat";
-    String checkProfiles = "";
+    private ServerConfig mServerConfig;
 
     private NotificationHelper mNotificationHelper;
     private List<String> mUrlList;
@@ -78,6 +71,7 @@ public class DownloadService extends Service implements ProgressListener  {
     public void onCreate() {
         if (DEBUG) Log.d("SERVICE", "onCreate");
         serviceState = true;
+        mServerConfig = new ServerConfig(getApplicationContext());
 
         HandlerThread thread = new HandlerThread("ServiceStartArguments", 1);
         thread.start();
@@ -109,38 +103,6 @@ public class DownloadService extends Service implements ProgressListener  {
             List<String> urlparts = extra.getStringArrayList("urlparts");
             mUrlList = urlparts;
             baseDir = dir;
-
-            File configFile = new File (dir, "segments4/serverconfig.txt");
-            if ( configFile.exists() ) {
-                try {
-                    BufferedReader br = new BufferedReader( new FileReader( configFile ) );
-                    for ( ;; )
-                    {
-                        String line = br.readLine();
-                        if ( line == null ) break;
-                        if ( line.trim().startsWith( "segment_url=" ) ) {
-                            segmenturl = line.substring(12);
-                        }
-                        else if ( line.trim().startsWith( "lookup_url=" ) ) {
-                            lookupurl = line.substring(11);
-                        }
-                        else if ( line.trim().startsWith( "profiles_url=" ) ) {
-                            profilesurl = line.substring(13);
-                        }
-                        else if ( line.trim().startsWith( "check_lookup=" ) ) {
-                            checkLookup = line.substring(13);
-                        }
-                        else if ( line.trim().startsWith( "check_profiles=" ) ) {
-                            checkProfiles = line.substring(15);
-                        }
-                    }
-                    br.close();
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-
-            }
-
         }
 
         mNotificationHelper.startNotification(this);
@@ -185,7 +147,7 @@ public class DownloadService extends Service implements ProgressListener  {
         int count = 1;
         int size = mUrlList.size();
         for (String part: mUrlList) {
-            String url = segmenturl + part  + ".rd5";
+            String url = mServerConfig.getSegmentUrl() + part  + ".rd5";
             if (DEBUG) Log.d("BR", "downlaod " + url);
 
             result = download(count, size, url);
@@ -386,7 +348,7 @@ public class DownloadService extends Service implements ProgressListener  {
 
     private String checkScripts() {
 
-        String[] sa = checkLookup.split(",");
+        String[] sa = mServerConfig.getLookups();
         for (String f: sa) {
             if (f.length()>0) {
                 File file = new File(baseDir + "profiles2", f);
@@ -394,7 +356,7 @@ public class DownloadService extends Service implements ProgressListener  {
             }
         }
 
-        sa = checkProfiles.split(",");
+        sa = mServerConfig.getProfiles();
         for (String f : sa) {
             if (f.length()>0) {
                 File file = new File(baseDir + "profiles2", f);
@@ -410,12 +372,12 @@ public class DownloadService extends Service implements ProgressListener  {
     }
 
     private String checkOrDownloadLookup(String fileName, File f) {
-        String url = lookupurl + fileName;
+        String url = mServerConfig.getLookupUrl() + fileName;
         return downloadScript(url, f);
     }
 
     private String checkOrDownloadScript(String fileName, File f) {
-        String url = profilesurl + fileName;
+        String url = mServerConfig.getProfilesUrl() + fileName;
         return downloadScript(url, f);
     }
 

brouter-routing-app/src/main/java/btools/routingapp/ServerConfig.java

@@ -0,0 +1,66 @@
+package btools.routingapp;
+
+import android.content.Context;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+
+public class ServerConfig {
+  private String mSegmentUrl = "https://brouter.de/brouter/segments4/";
+  private String mLookupsUrl = "https://brouter.de/brouter/profiles2/";
+  private String mProfilesUrl = "https://brouter.de/brouter/profiles2/";
+
+  private String[] mLookups = new String[]{"lookups.dat"};
+  private String[] mProfiles = new String[0];
+
+  public ServerConfig(Context ctx) {
+    File configFile = new File(ConfigHelper.getBaseDir(ctx), "/brouter/segments4/serverconfig.txt");
+    if (configFile.exists()) {
+      try {
+        BufferedReader br = new BufferedReader(new FileReader(configFile));
+        for (; ; ) {
+          String line = br.readLine();
+          if (line == null) break;
+          if (line.trim().startsWith("segment_url=")) {
+            mSegmentUrl = line.substring(12);
+          } else if (line.trim().startsWith("lookup_url=")) {
+            mLookupsUrl = line.substring(11);
+          } else if (line.trim().startsWith("profiles_url=")) {
+            mProfilesUrl = line.substring(13);
+          } else if (line.trim().startsWith("check_lookup=")) {
+            mLookups = line.substring(13).split(",");
+          } else if (line.trim().startsWith("check_profiles=")) {
+            mProfiles = line.substring(15).split(",");
+          }
+        }
+        br.close();
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+
+    }
+  }
+
+  public String getSegmentUrl() {
+    return mSegmentUrl;
+  }
+
+  public String getLookupUrl() {
+    return mLookupsUrl;
+  }
+
+  public String getProfilesUrl() {
+    return mProfilesUrl;
+  }
+
+  public String[] getLookups() {
+    return mLookups;
+  }
+
+  public String[] getProfiles() {
+    return mProfiles;
+  }
+
+}

brouter-routing-app/src/main/res/layout/import_intent.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="8dp"
+    tools:context=".BImportActivity">
+
+    <Button
+        android:id="@+id/buttonImport"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentBottom="true"
+        android:text="@string/import_profile"
+        android:layout_alignParentEnd="true" />
+
+    <EditText
+        android:id="@+id/editTextFilename"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:ems="10"
+        android:hint="@string/profile_filename_example"
+        android:importantForAutofill="no"
+        android:inputType="textUri"
+        android:minHeight="48dp" />
+
+    <EditText
+        android:id="@+id/editTextProfile"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_above="@id/buttonImport"
+        android:layout_below="@id/editTextFilename"
+        android:ems="8"
+        android:enabled="false"
+        android:gravity="start|top"
+        android:inputType="none"
+        android:minHeight="48dp"
+        android:importantForAutofill="no" />
+
+</RelativeLayout>
+

brouter-routing-app/src/main/res/values/strings.xml

@@ -16,4 +16,6 @@
 
 <resources>
     <string name="app_name">BRouter</string>
+    <string name="import_profile">Import Profile</string>
+    <string name="profile_filename_example">filename.brf</string>
 </resources>