Add WinAuth importer

Fix WinAuthImporter

app/src/main/java/com/beemdevelopment/aegis/importers/DatabaseImporter.java

@@ -38,6 +38,7 @@ public abstract class DatabaseImporter {
         _importers.put("FreeOTP+", FreeOtpPlusImporter.class);
         _importers.put("Google Authenticator", GoogleAuthImporter.class);
         _importers.put("Steam", SteamImporter.class);
+        _importers.put("WinAuth", WinAuthImporter.class);
 
         _appImporters = new LinkedHashMap<>();
         _appImporters.put("Authy", AuthyImporter.class);

app/src/main/java/com/beemdevelopment/aegis/importers/WinAuthImporter.java

@@ -0,0 +1,83 @@
+package com.beemdevelopment.aegis.importers;
+
+import android.content.Context;
+import com.beemdevelopment.aegis.db.DatabaseEntry;
+import com.beemdevelopment.aegis.otp.GoogleAuthInfo;
+import com.beemdevelopment.aegis.otp.GoogleAuthInfoException;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+
+public class WinAuthImporter extends DatabaseImporter {
+    public WinAuthImporter(Context context) {
+        super(context);
+    }
+
+    @Override
+    protected String getAppPkgName() {
+        return null;
+    }
+
+    @Override
+    protected String getAppSubPath() {
+        return null;
+    }
+
+    @Override
+    public WinAuthImporter.State read(FileReader reader) throws DatabaseImporterException {
+        ArrayList<String> lines = new ArrayList<>();
+
+        try {
+            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(reader.getStream()));
+            String line;
+
+            while ((line = bufferedReader.readLine()) != null) {
+                lines.add(line);
+            }
+        } catch (IOException e) {
+            throw new DatabaseImporterException(e);
+        }
+
+        return new State(lines);
+    }
+
+    public static class State extends DatabaseImporter.State {
+        private ArrayList<String> _lines;
+
+        private State(ArrayList<String> lines) {
+            super(false);
+            _lines = lines;
+        }
+
+        @Override
+        public Result convert() {
+            Result result = new Result();
+
+            for (String line : _lines) {
+                try {
+                    DatabaseEntry entry = convertEntry(line);
+                    result.addEntry(entry);
+                } catch (DatabaseImporterEntryException e) {
+                    result.addError(e);
+                }
+            }
+
+            return result;
+        }
+
+        private static DatabaseEntry convertEntry(String line) throws DatabaseImporterEntryException {
+            try {
+                GoogleAuthInfo info = GoogleAuthInfo.parseUri(line);
+                DatabaseEntry databaseEntry = new DatabaseEntry(info);
+                databaseEntry.setIssuer(databaseEntry.getName());
+                databaseEntry.setName("WinAuth");
+
+                return databaseEntry;
+            } catch (GoogleAuthInfoException e) {
+                throw new DatabaseImporterEntryException(e, line);
+            }
+        }
+    }
+}