1 files changed, 205 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysQrCodeFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysQrCodeFragment.java
new file mode 100644
index 000000000..8b553d273
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysQrCodeFragment.java
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+import com.google.zxing.integration.android.IntentResult;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.beardedhen.androidbootstrap.BootstrapButton;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.util.IntentIntegratorSupportV4;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.util.ArrayList;
+import java.util.Locale;
+
+public class ImportKeysQrCodeFragment extends Fragment {
+
+    private ImportKeysActivity mImportActivity;
+    private BootstrapButton mButton;
+    private TextView mText;
+    private ProgressBar mProgress;
+
+    private String[] mScannedContent;
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static ImportKeysQrCodeFragment newInstance() {
+        ImportKeysQrCodeFragment frag = new ImportKeysQrCodeFragment();
+
+        Bundle args = new Bundle();
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    /**
+     * Inflate the layout for this fragment
+     */
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.import_keys_qr_code_fragment, container, false);
+
+        mButton = (BootstrapButton) view.findViewById(R.id.import_qrcode_button);
+        mText = (TextView) view.findViewById(R.id.import_qrcode_text);
+        mProgress = (ProgressBar) view.findViewById(R.id.import_qrcode_progress);
+
+        mButton.setOnClickListener(new OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                // scan using xzing's Barcode Scanner
+                new IntentIntegratorSupportV4(ImportKeysQrCodeFragment.this).initiateScan();
+            }
+        });
+
+        return view;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mImportActivity = (ImportKeysActivity) getActivity();
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode & 0xFFFF) {
+            case IntentIntegratorSupportV4.REQUEST_CODE: {
+                IntentResult scanResult = IntentIntegratorSupportV4.parseActivityResult(requestCode,
+                        resultCode, data);
+                if (scanResult != null && scanResult.getFormatName() != null) {
+                    String scannedContent = scanResult.getContents();
+
+                    Log.d(Constants.TAG, "scannedContent: " + scannedContent);
+
+                    // look if it's fingerprint only
+                    if (scannedContent.toLowerCase(Locale.ENGLISH).startsWith(Constants.FINGERPRINT_SCHEME)) {
+                        importFingerprint(Uri.parse(scanResult.getContents()));
+                        return;
+                    }
+
+                    // look if it is the whole key
+                    String[] parts = scannedContent.split(",");
+                    if (parts.length == 3) {
+                        importParts(parts);
+                        return;
+                    }
+
+                    // is this a full key encoded as qr code?
+                    if (scannedContent.startsWith("-----BEGIN PGP")) {
+                        mImportActivity.loadCallback(scannedContent.getBytes(), null, null, null);
+                        return;
+                    }
+
+                    // fail...
+                    Toast.makeText(getActivity(), R.string.import_qr_code_wrong, Toast.LENGTH_LONG)
+                            .show();
+                }
+
+                break;
+            }
+
+            default:
+                super.onActivityResult(requestCode, resultCode, data);
+
+                break;
+        }
+    }
+
+    public void importFingerprint(Uri dataUri) {
+        mImportActivity.loadFromFingerprintUri(null, dataUri);
+    }
+
+    private void importParts(String[] parts) {
+        int counter = Integer.valueOf(parts[0]);
+        int size = Integer.valueOf(parts[1]);
+        String content = parts[2];
+
+        Log.d(Constants.TAG, "" + counter);
+        Log.d(Constants.TAG, "" + size);
+        Log.d(Constants.TAG, "" + content);
+
+        // first qr code -> setup
+        if (counter == 0) {
+            mScannedContent = new String[size];
+            mProgress.setMax(size);
+            mProgress.setVisibility(View.VISIBLE);
+            mText.setVisibility(View.VISIBLE);
+        }
+
+        if (mScannedContent == null || counter > mScannedContent.length) {
+            Toast.makeText(getActivity(), R.string.import_qr_code_start_with_one, Toast.LENGTH_LONG)
+                    .show();
+            return;
+        }
+
+        // save scanned content
+        mScannedContent[counter] = content;
+
+        // get missing numbers
+        ArrayList<Integer> missing = new ArrayList<Integer>();
+        for (int i = 0; i < mScannedContent.length; i++) {
+            if (mScannedContent[i] == null) {
+                missing.add(i);
+            }
+        }
+
+        // update progress and text
+        int alreadyScanned = mScannedContent.length - missing.size();
+        mProgress.setProgress(alreadyScanned);
+
+        String missingString = "";
+        for (int m : missing) {
+            if (!missingString.equals("")) {
+                missingString += ", ";
+            }
+            missingString += String.valueOf(m + 1);
+        }
+
+        String missingText = getResources().getQuantityString(R.plurals.import_qr_code_missing,
+                missing.size(), missingString);
+        mText.setText(missingText);
+
+        // finished!
+        if (missing.size() == 0) {
+            mText.setText(R.string.import_qr_code_finished);
+            String result = "";
+            for (String in : mScannedContent) {
+                result += in;
+            }
+            mImportActivity.loadCallback(result.getBytes(), null, null, null);
+        }
+    }
+
+}