cleanup layouts, prepare layouts for new key view

1 files changed, 396 insertions, 0 deletions

diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
new file mode 100644
index 000000000..5bc30ccc5
--- /dev/null
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
@@ -0,0 +1,396 @@
+/*
+ * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2013 Bahtiar 'kalkin' Gadimov
+ *
+ * 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 java.util.ArrayList;
+import java.util.Date;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.spongycastle.openpgp.PGPPublicKey;
+import org.spongycastle.openpgp.PGPPublicKeyRing;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.Id;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.compatibility.ClipboardReflection;
+import org.sufficientlysecure.keychain.helper.ExportHelper;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
+import org.sufficientlysecure.keychain.ui.dialog.ShareNfcDialogFragment;
+import org.sufficientlysecure.keychain.ui.dialog.ShareQrCodeDialogFragment;
+import org.sufficientlysecure.keychain.util.Log;
+
+import android.annotation.SuppressLint;
+import android.content.Intent;
+import android.net.Uri;
+import android.nfc.NdefMessage;
+import android.nfc.NdefRecord;
+import android.nfc.NfcAdapter;
+import android.nfc.NfcAdapter.CreateNdefMessageCallback;
+import android.nfc.NfcAdapter.OnNdefPushCompleteCallback;
+import android.nfc.NfcEvent;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.text.format.DateFormat;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.actionbarsherlock.app.SherlockFragmentActivity;
+import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuItem;
+import com.beardedhen.androidbootstrap.BootstrapButton;
+
+@SuppressLint("NewApi")
+public class ViewKeyActivity extends SherlockFragmentActivity implements CreateNdefMessageCallback,
+        OnNdefPushCompleteCallback {
+
+    ExportHelper mExportHelper;
+
+    private Uri mDataUri;
+
+    private PGPPublicKey mPublicKey;
+
+    private TextView mAlgorithm;
+    private TextView mFingerint;
+    private TextView mExpiry;
+    private TextView mCreation;
+    private BootstrapButton mActionEncrypt;
+
+    private ListView mUserIds;
+    private ListView mKeys;
+
+    // NFC
+    private NfcAdapter mNfcAdapter;
+    private byte[] mSharedKeyringBytes;
+    private static final int NFC_SENT = 1;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mExportHelper = new ExportHelper(this);
+
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
+
+        setContentView(R.layout.view_key_activity);
+
+        mFingerint = (TextView) findViewById(R.id.fingerprint);
+        mExpiry = (TextView) findViewById(R.id.expiry);
+        mCreation = (TextView) findViewById(R.id.creation);
+        mAlgorithm = (TextView) findViewById(R.id.algorithm);
+        mActionEncrypt = (BootstrapButton) findViewById(R.id.action_encrypt);
+        mUserIds = (ListView) findViewById(R.id.user_ids);
+        mKeys = (ListView) findViewById(R.id.keys);
+
+        Intent intent = getIntent();
+        mDataUri = intent.getData();
+        if (mDataUri == null) {
+            Log.e(Constants.TAG, "Intent data missing. Should be Uri of key!");
+            finish();
+            return;
+        } else {
+            Log.d(Constants.TAG, "uri: " + mDataUri);
+            loadData(mDataUri);
+            initNfc(mDataUri);
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        super.onCreateOptionsMenu(menu);
+        getSupportMenuInflater().inflate(R.menu.key_view, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+        case R.id.menu_key_view_update:
+            updateFromKeyserver(mDataUri);
+            return true;
+        case R.id.menu_key_view_sign:
+            signKey(mDataUri);
+            return true;
+        case R.id.menu_key_view_export_keyserver:
+            uploadToKeyserver(mDataUri);
+            return true;
+        case R.id.menu_key_view_export_file:
+            mExportHelper.showExportKeysDialog(mDataUri, Id.type.public_key, Constants.path.APP_DIR
+                    + "/pubexport.asc");
+            return true;
+        case R.id.menu_key_view_share_default:
+            shareKey(mDataUri);
+            return true;
+        case R.id.menu_key_view_share_qr_code:
+            shareKeyQrCode(mDataUri);
+            return true;
+        case R.id.menu_key_view_share_nfc:
+            shareNfc();
+            return true;
+        case R.id.menu_key_view_share_clipboard:
+            copyToClipboard(mDataUri);
+            return true;
+        case R.id.menu_key_view_delete: {
+            // Message is received after key is deleted
+            Handler returnHandler = new Handler() {
+                @Override
+                public void handleMessage(Message message) {
+                    if (message.what == DeleteKeyDialogFragment.MESSAGE_OKAY) {
+                        setResult(RESULT_CANCELED);
+                        finish();
+                    }
+                }
+            };
+
+            mExportHelper.deleteKey(mDataUri, Id.type.public_key, returnHandler);
+            return true;
+        }
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void loadData(Uri dataUri) {
+        PGPPublicKeyRing ring = (PGPPublicKeyRing) ProviderHelper.getPGPKeyRing(this, dataUri);
+        mPublicKey = ring.getPublicKey();
+
+        mFingerint.setText(PgpKeyHelper.shortifyFingerprint(PgpKeyHelper
+                .convertFingerprintToHex(mPublicKey.getFingerprint())));
+        String[] mainUserId = splitUserId("");
+
+        Date expiryDate = PgpKeyHelper.getExpiryDate(mPublicKey);
+        if (expiryDate == null) {
+            mExpiry.setText("");
+        } else {
+            mExpiry.setText(DateFormat.getDateFormat(getApplicationContext()).format(expiryDate));
+        }
+
+        mCreation.setText(DateFormat.getDateFormat(getApplicationContext()).format(
+                PgpKeyHelper.getCreationDate(mPublicKey)));
+        mAlgorithm.setText(PgpKeyHelper.getAlgorithmInfo(mPublicKey));
+
+        mActionEncrypt.setOnClickListener(new OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                long[] encryptionKeyIds = new long[] { mPublicKey.getKeyID() };
+                Intent intent = new Intent(ViewKeyActivity.this, EncryptActivity.class);
+                intent.setAction(EncryptActivity.ACTION_ENCRYPT);
+                intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds);
+                // used instead of startActivity set actionbar based on callingPackage
+                startActivityForResult(intent, 0);
+            }
+        });
+    }
+
+    /**
+     * TODO: does this duplicate functionality from elsewhere? put in helper!
+     */
+    private String[] splitUserId(String userId) {
+        String[] result = new String[] { "", "", "" };
+        Log.v("UserID", userId);
+
+        Pattern withComment = Pattern.compile("^(.*) [(](.*)[)] <(.*)>$");
+        Matcher matcher = withComment.matcher(userId);
+        if (matcher.matches()) {
+            result[0] = matcher.group(1);
+            result[1] = matcher.group(2);
+            result[2] = matcher.group(3);
+            return result;
+        }
+
+        Pattern withoutComment = Pattern.compile("^(.*) <(.*)>$");
+        matcher = withoutComment.matcher(userId);
+        if (matcher.matches()) {
+            result[0] = matcher.group(1);
+            result[1] = matcher.group(2);
+            return result;
+        }
+        return result;
+    }
+
+    private void uploadToKeyserver(Uri dataUri) {
+        long keyRingRowId = Long.valueOf(dataUri.getLastPathSegment());
+
+        Intent uploadIntent = new Intent(this, KeyServerUploadActivity.class);
+        uploadIntent.setAction(KeyServerUploadActivity.ACTION_EXPORT_KEY_TO_SERVER);
+        uploadIntent.putExtra(KeyServerUploadActivity.EXTRA_KEYRING_ROW_ID, (int) keyRingRowId);
+        startActivityForResult(uploadIntent, Id.request.export_to_server);
+    }
+
+    private void updateFromKeyserver(Uri dataUri) {
+        long updateKeyId = 0;
+        PGPPublicKeyRing updateRing = (PGPPublicKeyRing) ProviderHelper
+                .getPGPKeyRing(this, dataUri);
+
+        if (updateRing != null) {
+            updateKeyId = PgpKeyHelper.getMasterKey(updateRing).getKeyID();
+        }
+        if (updateKeyId == 0) {
+            Log.e(Constants.TAG, "this shouldn't happen. KeyId == 0!");
+            return;
+        }
+
+        Intent signIntent = new Intent(this, SignKeyActivity.class);
+        signIntent.putExtra(SignKeyActivity.EXTRA_KEY_ID, updateKeyId);
+        startActivity(signIntent);
+
+        Intent queryIntent = new Intent(this, KeyServerQueryActivity.class);
+        queryIntent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID_AND_RETURN);
+        queryIntent.putExtra(KeyServerQueryActivity.EXTRA_KEY_ID, updateKeyId);
+
+        // TODO: lookup??
+        startActivityForResult(queryIntent, Id.request.look_up_key_id);
+    }
+
+    private void signKey(Uri dataUri) {
+        long keyId = 0;
+        PGPPublicKeyRing signKey = (PGPPublicKeyRing) ProviderHelper.getPGPKeyRing(this, dataUri);
+
+        if (signKey != null) {
+            keyId = PgpKeyHelper.getMasterKey(signKey).getKeyID();
+        }
+        if (keyId == 0) {
+            Log.e(Constants.TAG, "this shouldn't happen. KeyId == 0!");
+            return;
+        }
+
+        Intent signIntent = new Intent(this, SignKeyActivity.class);
+        signIntent.putExtra(SignKeyActivity.EXTRA_KEY_ID, keyId);
+        startActivity(signIntent);
+    }
+
+    private void shareKey(Uri dataUri) {
+        // get public keyring as ascii armored string
+        long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
+        ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this, dataUri,
+                new long[] { masterKeyId });
+
+        // let user choose application
+        Intent sendIntent = new Intent(Intent.ACTION_SEND);
+        sendIntent.putExtra(Intent.EXTRA_TEXT, keyringArmored.get(0));
+        sendIntent.setType("text/plain");
+        startActivity(Intent.createChooser(sendIntent,
+                getResources().getText(R.string.action_share_key_with)));
+    }
+
+    private void shareKeyQrCode(Uri dataUri) {
+        // get public keyring as ascii armored string
+        long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
+        ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this, dataUri,
+                new long[] { masterKeyId });
+
+        ShareQrCodeDialogFragment dialog = ShareQrCodeDialogFragment.newInstance(keyringArmored
+                .get(0));
+        dialog.show(getSupportFragmentManager(), "shareQrCodeDialog");
+    }
+
+    private void copyToClipboard(Uri dataUri) {
+        // get public keyring as ascii armored string
+        long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
+        ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this, dataUri,
+                new long[] { masterKeyId });
+
+        ClipboardReflection.copyToClipboard(this, keyringArmored.get(0));
+    }
+
+    private void shareNfc() {
+        ShareNfcDialogFragment dialog = ShareNfcDialogFragment.newInstance();
+        dialog.show(getSupportFragmentManager(), "shareNfcDialog");
+    }
+
+    /**
+     * NFC: Initialize NFC sharing if OS and device supports it
+     */
+    private void initNfc(Uri dataUri) {
+        // check if NFC Beam is supported (>= Android 4.1)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+            // Check for available NFC Adapter
+            mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
+            if (mNfcAdapter != null) {
+                // init nfc
+
+                // get public keyring as byte array
+                long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
+                mSharedKeyringBytes = ProviderHelper.getKeyRingsAsByteArray(this, dataUri,
+                        new long[] { masterKeyId });
+
+                // Register callback to set NDEF message
+                mNfcAdapter.setNdefPushMessageCallback(this, this);
+                // Register callback to listen for message-sent success
+                mNfcAdapter.setOnNdefPushCompleteCallback(this, this);
+            }
+        }
+    }
+
+    /**
+     * NFC: Implementation for the CreateNdefMessageCallback interface
+     */
+    @Override
+    public NdefMessage createNdefMessage(NfcEvent event) {
+        /**
+         * When a device receives a push with an AAR in it, the application specified in the AAR is
+         * guaranteed to run. The AAR overrides the tag dispatch system. You can add it back in to
+         * guarantee that this activity starts when receiving a beamed message. For now, this code
+         * uses the tag dispatch system.
+         */
+        NdefMessage msg = new NdefMessage(NdefRecord.createMime(Constants.NFC_MIME,
+                mSharedKeyringBytes), NdefRecord.createApplicationRecord(Constants.PACKAGE_NAME));
+        return msg;
+    }
+
+    /**
+     * NFC: Implementation for the OnNdefPushCompleteCallback interface
+     */
+    @Override
+    public void onNdefPushComplete(NfcEvent arg0) {
+        // A handler is needed to send messages to the activity when this
+        // callback occurs, because it happens from a binder thread
+        mNfcHandler.obtainMessage(NFC_SENT).sendToTarget();
+    }
+
+    /**
+     * NFC: This handler receives a message from onNdefPushComplete
+     */
+    private final Handler mNfcHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+            case NFC_SENT:
+                Toast.makeText(getApplicationContext(), R.string.nfc_successfull, Toast.LENGTH_LONG)
+                        .show();
+                break;
+            }
+        }
+    };
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (!mExportHelper.handleActivityResult(requestCode, resultCode, data)) {
+            super.onActivityResult(requestCode, resultCode, data);
+        }
+    }
+
+}