Downloading and parsing fixes.

app/src/main/AndroidManifest.xml

@@ -6,7 +6,6 @@
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
-    <uses-permission android:name="android.permission.WAKE_LOCK"/>
 
     <application
         android:name=".base.BaseApplication"

app/src/main/java/gr/thmmy/mthmmy/activities/board/BoardActivity.java

@@ -280,9 +280,11 @@ public class BoardActivity extends BaseActivity implements BoardAdapter.OnLoadMo
                                 } else {
                                     pUrl = subBoardCol.select("a").first().attr("href");
                                     pTitle = subBoardCol.select("a").first().text();
+                                    if (subBoardCol.select("div.smalltext").first() != null) {
                                         pMods = subBoardCol.select("div.smalltext").first().text();
                                     }
                                 }
+                            }
                             parsedSubBoards.add(new Board(pUrl, pTitle, pMods, pStats, pLastPost, pLastPostUrl));
                         }
                     }

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicActivity.java

@@ -1,11 +1,15 @@
 package gr.thmmy.mthmmy.activities.topic;
 
+import android.Manifest;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
+import android.support.annotation.NonNull;
 import android.support.design.widget.FloatingActionButton;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.LinearLayoutManager;
@@ -58,6 +62,8 @@ public class TopicActivity extends BaseActivity {
      * The key to use when putting topic's title String to {@link TopicActivity}'s Bundle.
      */
     public static final String BUNDLE_TOPIC_TITLE = "TOPIC_TITLE";
+    private static final int PERMISSIONS_REQUEST_CODE = 69;
+    static boolean readWriteAccepted;
     private static TopicTask topicTask;
     //About posts
     private TopicAdapter topicAdapter;
@@ -99,6 +105,7 @@ public class TopicActivity extends BaseActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_topic);
+        requestPerms();
 
         Bundle extras = getIntent().getExtras();
         topicTitle = extras.getString(BUNDLE_TOPIC_TITLE);
@@ -176,11 +183,7 @@ public class TopicActivity extends BaseActivity {
         initDecrementButton(previousPage, SMALL_STEP);
         initIncrementButton(nextPage, SMALL_STEP);
         initIncrementButton(lastPage, LARGE_STEP);
-
+        paginationEnabled(false);
-        firstPage.setEnabled(false);
-        previousPage.setEnabled(false);
-        nextPage.setEnabled(false);
-        lastPage.setEnabled(false);
 
         //Gets posts
         topicTask = new TopicTask();
@@ -210,7 +213,36 @@ public class TopicActivity extends BaseActivity {
             topicTask.cancel(true);
     }
 
-    //--------------------------------------BOTTOM NAV BAR METHODS--------------------------------------
+    @Override
+    public void onRequestPermissionsResult(int permsRequestCode, @NonNull String[] permissions
+            , @NonNull int[] grantResults) {
+        switch (permsRequestCode) {
+            case PERMISSIONS_REQUEST_CODE:
+                readWriteAccepted = grantResults[0] == PackageManager.PERMISSION_GRANTED;
+                break;
+        }
+    }
+
+    private void requestPerms() { //Runtime permissions for devices with API >= 23
+        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
+            String[] PERMISSIONS_STORAGE = {
+                    Manifest.permission.READ_EXTERNAL_STORAGE,
+                    Manifest.permission.WRITE_EXTERNAL_STORAGE};
+
+            checkSelfPermission(PERMISSIONS_STORAGE[0]);
+            checkSelfPermission(PERMISSIONS_STORAGE[1]);
+            requestPermissions(PERMISSIONS_STORAGE, PERMISSIONS_REQUEST_CODE);
+        } else readWriteAccepted = true;
+    }
+
+    //--------------------------------------BOTTOM NAV BAR METHODS----------------------------------
+    private void paginationEnabled(boolean enabled) {
+        firstPage.setEnabled(enabled);
+        previousPage.setEnabled(enabled);
+        nextPage.setEnabled(enabled);
+        lastPage.setEnabled(enabled);
+    }
+
     private void initIncrementButton(ImageButton increment, final int step) {
         // Increment once for a click
         increment.setOnClickListener(new View.OnClickListener() {
@@ -335,7 +367,7 @@ public class TopicActivity extends BaseActivity {
 
         protected void onPreExecute() {
             progressBar.setVisibility(ProgressBar.VISIBLE);
-            paginationEnable(false);
+            paginationEnabled(false);
             if (replyFAB.getVisibility() != View.GONE) replyFAB.setEnabled(false);
         }
 
@@ -403,7 +435,7 @@ public class TopicActivity extends BaseActivity {
                     pageIndicator.setText(String.valueOf(thisPage) + "/" + String.valueOf(numberOfPages));
                     pageRequestValue = thisPage;
 
-                    paginationEnable(true);
+                    paginationEnabled(true);
 
                     if (topicTitle == null || Objects.equals(topicTitle, ""))
                         toolbar.setTitle(parsedTitle);
@@ -488,11 +520,4 @@ public class TopicActivity extends BaseActivity {
             }
         }
     }
-
-    private void paginationEnable(boolean enabled) {
-        firstPage.setEnabled(enabled);
-        previousPage.setEnabled(enabled);
-        nextPage.setEnabled(enabled);
-        lastPage.setEnabled(enabled);
-    }
 }

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicAdapter.java

@@ -10,7 +10,6 @@ import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.PowerManager;
 import android.support.annotation.NonNull;
 import android.support.v4.content.res.ResourcesCompat;
 import android.support.v7.widget.CardView;
@@ -93,7 +92,7 @@ class TopicAdapter extends RecyclerView.Adapter<TopicAdapter.MyViewHolder> {
      * Index of state indicator in the boolean array. If true quote button for this post is checked.
      */
     private static final int isQuoteButtonChecked = 2;
-    private final MaterialProgressBar progressBar;
+    //private final MaterialProgressBar progressBar;
     private DownloadTask downloadTask;
     private TopicActivity.TopicTask topicTask;
 
@@ -167,7 +166,7 @@ class TopicAdapter extends RecyclerView.Adapter<TopicAdapter.MyViewHolder> {
             //Initializes properties, array's values will be false by default
             viewProperties.add(new boolean[3]);
         }
-        this.progressBar = progressBar;
+        //this.progressBar = progressBar;
         downloadTask = new DownloadTask();
         this.topicTask = topicTask;
     }
@@ -244,8 +243,12 @@ class TopicAdapter extends RecyclerView.Adapter<TopicAdapter.MyViewHolder> {
                 attached.setOnClickListener(new View.OnClickListener() {
                     @Override
                     public void onClick(View view) {
+                        if (TopicActivity.readWriteAccepted) {
                             downloadTask = new DownloadTask();
                             downloadTask.execute(attachedFile);
+                        } else
+                            Toast.makeText(context, "Persmissions missing!", Toast.LENGTH_SHORT)
+                                    .show();
                     }
                 });
 
@@ -616,17 +619,11 @@ class TopicAdapter extends RecyclerView.Adapter<TopicAdapter.MyViewHolder> {
          * Debug Tag for logging debug output to LogCat
          */
         private static final String TAG = "DownloadTask"; //Separate tag for AsyncTask
-        private PowerManager.WakeLock mWakeLock;
 
         @Override
         protected void onPreExecute() {
             super.onPreExecute();
-            //Locks CPU to prevent going off
+            Toast.makeText(context, "Downloading", Toast.LENGTH_SHORT).show();
-            PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
-            mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
-                    getClass().getName());
-            mWakeLock.acquire();
-            progressBar.setVisibility(View.VISIBLE);
         }
 
         @Override
@@ -647,7 +644,10 @@ class TopicAdapter extends RecyclerView.Adapter<TopicAdapter.MyViewHolder> {
                 Report.e(TAG, "Error while trying to download a file", e);
                 return e.toString();
             } catch (OutOfMemoryError e) {
-                Report.e(TAG, "Error while trying to download a file", e);
+                Report.e(TAG, e.toString(), e);
+                return e.toString();
+            } catch (IllegalStateException e) {
+                Report.e(TAG, e.toString(), e);
                 return e.toString();
             }
             return null;
@@ -655,12 +655,10 @@ class TopicAdapter extends RecyclerView.Adapter<TopicAdapter.MyViewHolder> {
 
         @Override
         protected void onPostExecute(String result) {
-            mWakeLock.release();
+            if (result != null) {
-            if (result != null)
+                Toast.makeText(context, "Download failed!", Toast.LENGTH_SHORT).show();
-                Toast.makeText(context, result, Toast.LENGTH_SHORT).show();
+                Toast.makeText(context, result, Toast.LENGTH_LONG).show();
-            else
+            }
-                Toast.makeText(context, "Download complete", Toast.LENGTH_SHORT).show();
-            progressBar.setVisibility(View.INVISIBLE);
         }
     }
 }

app/src/main/java/gr/thmmy/mthmmy/session/SessionManager.java

@@ -27,11 +27,10 @@ import okhttp3.RequestBody;
 import okhttp3.Response;
 
 /**
-    This class handles all session related operations (e.g. login, logout)
+ * This class handles all session related operations (e.g. login, logout)
-    and stores data to SharedPreferences (session information and cookies).
+ * and stores data to SharedPreferences (session information and cookies).
  */
-public class SessionManager
+public class SessionManager {
-{
     //Class TAG
     private static final String TAG = "SessionManager";
 
@@ -66,8 +65,7 @@ public class SessionManager
 
     //Constructor
     public SessionManager(OkHttpClient client, PersistentCookieJar cookieJar,
-                          SharedPrefsCookiePersistor cookiePersistor, SharedPreferences sharedPrefs)
+                          SharedPrefsCookiePersistor cookiePersistor, SharedPreferences sharedPrefs) {
-    {
         this.client = client;
         this.cookiePersistor = cookiePersistor;
         this.cookieJar = cookieJar;
@@ -75,18 +73,17 @@ public class SessionManager
     }
 
     //------------------------------------AUTH BEGINS----------------------------------------------
+
     /**
      * Login function with two options: (username, password) or nothing (using saved cookies).
      * Always call it in a separate thread.
      */
-    public int login(String... strings)
+    public int login(String... strings) {
-    {
         Report.i(TAG, "Logging in...");
 
         //Build the login request for each case
         Request request;
-        if (strings.length == 2)
+        if (strings.length == 2) {
-        {
             clearSessionData();
 
             String loginName = strings[0];
@@ -101,9 +98,7 @@ public class SessionManager
                     .url(loginUrl)
                     .post(formBody)
                     .build();
-        }
+        } else {
-        else
-        {
             request = new Request.Builder()
                     .url(loginUrl)
                     .build();
@@ -125,20 +120,16 @@ public class SessionManager
                 sharedPrefs.edit().putBoolean(LOGIN_SCREEN_AS_DEFAULT, false).apply();
                 sharedPrefs.edit().putString(USERNAME, extractUserName(document)).apply();
                 String avatar = extractAvatarLink(document);
-                if (avatar!=null)
+                if (avatar != null) {
-                {
                     sharedPrefs.edit().putBoolean(HAS_AVATAR, true).apply();
                     sharedPrefs.edit().putString(AVATAR_LINK, extractAvatarLink(document)).apply();
-                }
+                } else
-                else
                     sharedPrefs.edit().putBoolean(HAS_AVATAR, false).apply();
 
                 sharedPrefs.edit().putString(LOGOUT_LINK, HttpUrl.parse(logoutButton.attr("href")).toString()).apply();
 
                 return SUCCESS;
-            }
+            } else {
-            else
-            {
                 Report.i(TAG, "Login failed.");
 
                 //Investigate login failure
@@ -159,16 +150,13 @@ public class SessionManager
                 return FAILURE;
             }
             //Handle exception
-        }
+        } catch (InterruptedIOException e) {
-        catch (InterruptedIOException e){
             Report.i(TAG, "Login InterruptedIOException");    //users cancels LoginTask
             return CANCELLED;
-        }
+        } catch (IOException e) {
-        catch (IOException e) {
             Report.w(TAG, "Login IOException", e);
             return CONNECTION_ERROR;
-        }
+        } catch (Exception e) {
-        catch (Exception e) {
             Report.w(TAG, "Login Exception (other)", e);
             return EXCEPTION;
         }
@@ -183,17 +171,14 @@ public class SessionManager
      * Always call it in a separate thread in a way that won't hinder performance (e.g. after
      * fragments' data are retrieved).
      */
-    public void validateSession()
+    public void validateSession() {
-    {
         Report.i(TAG, "Validating session...");
 
-        if(isLoggedIn())
+        if (isLoggedIn()) {
-        {
             int loginResult = login();
             if (loginResult != FAILURE)
                 return;
-        }
+        } else if (isLoginScreenDefault())
-        else if(isLoginScreenDefault())
             return;
 
         sharedPrefs.edit().putBoolean(LOGIN_SCREEN_AS_DEFAULT, true).apply();
@@ -203,8 +188,7 @@ public class SessionManager
     /**
      * Call this function when user explicitly chooses to continue as a guest (UI thread).
      */
-    public void guestLogin()
+    public void guestLogin() {
-    {
         Report.i("TAG", "Continuing as a guest, as chosen by the user.");
         clearSessionData();
         sharedPrefs.edit().putBoolean(LOGIN_SCREEN_AS_DEFAULT, false).apply();
@@ -214,8 +198,7 @@ public class SessionManager
     /**
      * Logout function. Always call it in a separate thread.
      */
-    public int logout()
+    public int logout() {
-    {
         Report.i(TAG, "Logging out...");
 
         Request request = new Request.Builder()
@@ -271,15 +254,18 @@ public class SessionManager
         return sharedPrefs.getBoolean(LOGIN_SCREEN_AS_DEFAULT, true);
     }
 
+    //TODO FIX METHOD, THIS MIGHT BE A SECURITY FLAW!! SEE ISSUE #2 MERGED WITH #16
+    public String getCookieHeader() {
+        return cookiePersistor.loadAll().get(0).toString();
+    }
+
     //--------------------------------------GETTERS END---------------------------------------------
 
     //------------------------------------OTHER FUNCTIONS-------------------------------------------
-    private void setPersistentCookieSession()
+    private void setPersistentCookieSession() {
-    {
         List<Cookie> cookieList = cookieJar.loadForRequest(indexUrl);
 
-        if (cookieList.size() == 2)
+        if (cookieList.size() == 2) {
-        {
             if ((cookieList.get(0).name().equals("THMMYgrC00ki3"))
                     && (cookieList.get(1).name().equals("PHPSESSID"))) {
                 Cookie.Builder builder = new Cookie.Builder();
@@ -295,8 +281,7 @@ public class SessionManager
         }
     }
 
-    private void clearSessionData()
+    private void clearSessionData() {
-    {
         cookieJar.clear();
         sharedPrefs.edit().clear().apply(); //Clear session data
         sharedPrefs.edit().putString(USERNAME, guestName).apply();
@@ -305,8 +290,7 @@ public class SessionManager
     }
 
     @Nullable
-    private String extractUserName(Document doc)
+    private String extractUserName(Document doc) {
-    {
         if (doc != null) {
             Elements user = doc.select("div[id=myuser] > h3");
 
@@ -324,8 +308,7 @@ public class SessionManager
     }
 
     @Nullable
-    private String extractAvatarLink(Document doc)
+    private String extractAvatarLink(Document doc) {
-    {
         if (doc != null) {
             Elements avatar = doc.select("#ava img");
 

app/src/main/java/gr/thmmy/mthmmy/utils/FileManager/ThmmyFile.java

@@ -1,10 +1,18 @@
 package gr.thmmy.mthmmy.utils.FileManager;
 
+import android.app.DownloadManager;
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.Uri;
 import android.os.Environment;
 import android.os.StatFs;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.util.Log;
 import android.webkit.MimeTypeMap;
+import android.widget.Toast;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -12,6 +20,7 @@ import java.io.IOException;
 import java.net.URL;
 import java.util.Objects;
 
+import gr.thmmy.mthmmy.base.BaseActivity;
 import mthmmy.utils.Report;
 import okhttp3.Request;
 import okhttp3.Response;
@@ -22,6 +31,7 @@ import static gr.thmmy.mthmmy.base.BaseActivity.getClient;
  * Used for downloading and storing a file from the forum using {@link okhttp3}.
  * <p>Class has one constructor, {@link #ThmmyFile(URL, String, String)}.
  */
+@SuppressWarnings("unused")
 public class ThmmyFile {
     /**
      * Debug Tag for logging debug output to LogCat
@@ -46,8 +56,8 @@ public class ThmmyFile {
     }
 
     /**
-     * This constructor only creates a ThmmyFile object and <b>does not download</b> the file. To download
+     * This constructor only creates a ThmmyFile object and <b>does not download</b> the file. To
-     * the file use {@link #download(Context)}!
+     * download the file use {@link #download(Context)} after you provide a url!
      *
      * @param fileUrl  {@link URL} object with file's url
      * @param filename {@link String} with desired file name
@@ -115,23 +125,64 @@ public class ThmmyFile {
     /**
      * Used to download the file. If download is successful file's extension and path will be assigned
      * to object's fields and can be accessed using getter methods.
-     * <p>File is stored in sdcard1/Android/data/Downloads/packageName</p>
      *
-     * @return the {@link File} if successful, null otherwise
+     * @return null if downloaded with the download service, otherwise the {@link File}
-     * @throws IOException       if the request could not be executed due to cancellation, a connectivity
+     * @throws IOException           if the request could not be executed due to cancellation, a
-     *                           problem or timeout. Because networks can fail during an exchange, it is possible that the
+     *                               connectivity problem or timeout. Because networks can fail
-     *                           remote server accepted the request before the failure.
+     *                               during an exchange, it is possible that the remote server
+     *                               accepted the request before the failure.
      * @throws SecurityException     if the requested file is not hosted by the forum.
+     * @throws IllegalStateException if file's url or filename is not yet set
      */
     @Nullable
-    public File download(Context context) throws IOException, SecurityException, OutOfMemoryError {
+    public File download(Context context) throws IOException, IllegalStateException, OutOfMemoryError {
-        if (fileUrl == null) {
+        if (fileUrl == null)
+            throw new IllegalStateException("Internal error!\nNo url was provided.");
+        else if (!Objects.equals(fileUrl.getHost(), "www.thmmy.gr"))
+            throw new SecurityException("Downloading files from other sources is not supported");
+        else if (filename == null || Objects.equals(filename, ""))
+            throw new IllegalStateException("Internal error!\nNo filename was provided.");
+
+        try {
+            downloadWithManager(context, fileUrl);
+        } catch (IllegalStateException e) {
+            return downloadWithoutManager(context, fileUrl);
+        }
         return null;
     }
-        if (!Objects.equals(fileUrl.getHost(), "www.thmmy.gr"))
-            throw new SecurityException("Downloading files from other sources is not supported");
 
-        Request request = new Request.Builder().url(fileUrl).build();
+    private void downloadWithManager(Context context, @NonNull URL pFileUrl) throws IllegalStateException, IOException {
+        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(pFileUrl.toString()));
+        request.addRequestHeader("Cookie", BaseActivity.getSessionManager().getCookieHeader());
+        request.setDescription("mThmmy");
+        request.setMimeType(MimeTypeMap.getSingleton().getMimeTypeFromExtension(
+                MimeTypeMap.getFileExtensionFromUrl(filename)));
+        request.setTitle(filename);
+        request.allowScanningByMediaScanner();
+        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+        try {
+            request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, filename);
+        } catch (IllegalStateException e) {
+            Report.d(TAG, "External directory not available!", e);
+            Log.d(TAG, "External directory not available!", e);
+            throw e;
+        }
+
+        DownloadManager manager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
+        manager.enqueue(request);
+        context.registerReceiver(new BroadcastReceiver() {
+            @Override
+            public void onReceive(Context context, Intent intent) {
+                Toast.makeText(context, "Download complete", Toast.LENGTH_SHORT).show();
+                context.unregisterReceiver(this);
+            }
+        }, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
+    }
+
+    @Nullable
+    private File downloadWithoutManager(Context context, @NonNull URL pFileUrl) throws IOException
+            , SecurityException, OutOfMemoryError {
+        Request request = new Request.Builder().url(pFileUrl).build();
 
         Response response = getClient().newCall(request).execute();
         if (!response.isSuccessful()) {
@@ -153,7 +204,8 @@ public class ThmmyFile {
     }
 
     @Nullable
-    private File getOutputMediaFile(Context context, String fileName, String fileInfo) throws OutOfMemoryError, IOException {
+    private File getOutputMediaFile(Context context, String fileName, String fileInfo) throws
+            OutOfMemoryError, IOException {
         File mediaStorageDir;
         String extState = Environment.getExternalStorageState();
         if (Environment.isExternalStorageRemovable() &&