diff options
Diffstat (limited to 'org_apg/src/org/apg/ui/KeyListActivity.java')
| -rw-r--r-- | org_apg/src/org/apg/ui/KeyListActivity.java | 768 |
1 files changed, 768 insertions, 0 deletions
diff --git a/org_apg/src/org/apg/ui/KeyListActivity.java b/org_apg/src/org/apg/ui/KeyListActivity.java new file mode 100644 index 000000000..6c76f02bc --- /dev/null +++ b/org_apg/src/org/apg/ui/KeyListActivity.java @@ -0,0 +1,768 @@ +/* + * Copyright (C) 2010 Thialfihar <thi@thialfihar.org> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apg.ui; + +import org.apg.Apg; +import org.apg.Constants; +import org.apg.FileDialog; +import org.apg.Id; +import org.apg.InputData; +import org.apg.provider.KeyRings; +import org.apg.provider.Keys; +import org.apg.provider.UserIds; +import org.spongycastle.openpgp.PGPException; +import org.spongycastle.openpgp.PGPPublicKeyRing; +import org.spongycastle.openpgp.PGPSecretKeyRing; +import org.apg.R; + +import android.app.AlertDialog; +import android.app.Dialog; +import android.app.SearchManager; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.database.Cursor; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteQueryBuilder; +import android.net.Uri; +import android.os.Bundle; +import android.os.Message; +import android.view.LayoutInflater; +import android.view.MenuItem; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.ViewGroup; +import android.widget.BaseExpandableListAdapter; +import android.widget.Button; +import android.widget.ExpandableListView; +import android.widget.ExpandableListView.ExpandableListContextMenuInfo; +import android.widget.ImageView; +import android.widget.TextView; +import android.widget.Toast; + +import java.io.ByteArrayInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.util.Vector; + +public class KeyListActivity extends BaseActivity { + protected ExpandableListView mList; + protected KeyListAdapter mListAdapter; + protected View mFilterLayout; + protected Button mClearFilterButton; + protected TextView mFilterInfo; + + protected int mSelectedItem = -1; + protected int mTask = 0; + + protected String mImportFilename = Constants.path.APP_DIR + "/"; + protected String mExportFilename = Constants.path.APP_DIR + "/"; + + protected String mImportData; + protected boolean mDeleteAfterImport = false; + + protected int mKeyType = Id.type.public_key; + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.key_list); + + setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL); + + mList = (ExpandableListView) findViewById(R.id.list); + registerForContextMenu(mList); + + mFilterLayout = findViewById(R.id.layout_filter); + mFilterInfo = (TextView) mFilterLayout.findViewById(R.id.filterInfo); + mClearFilterButton = (Button) mFilterLayout.findViewById(R.id.btn_clear); + + mClearFilterButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + handleIntent(new Intent()); + } + }); + + handleIntent(getIntent()); + } + + @Override + protected void onNewIntent(Intent intent) { + super.onNewIntent(intent); + handleIntent(intent); + } + + protected void handleIntent(Intent intent) { + String searchString = null; + if (Intent.ACTION_SEARCH.equals(intent.getAction())) { + searchString = intent.getStringExtra(SearchManager.QUERY); + if (searchString != null && searchString.trim().length() == 0) { + searchString = null; + } + } + + if (searchString == null) { + mFilterLayout.setVisibility(View.GONE); + } else { + mFilterLayout.setVisibility(View.VISIBLE); + mFilterInfo.setText(getString(R.string.filterInfo, searchString)); + } + + if (mListAdapter != null) { + mListAdapter.cleanup(); + } + mListAdapter = new KeyListAdapter(this, searchString); + mList.setAdapter(mListAdapter); + + if (Apg.Intent.IMPORT.equals(intent.getAction())) { + if ("file".equals(intent.getScheme()) && intent.getDataString() != null) { + mImportFilename = Uri.decode(intent.getDataString().replace("file://", "")); + } else { + mImportData = intent.getStringExtra(Apg.EXTRA_TEXT); + } + importKeys(); + } + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case Id.menu.option.import_keys: { + showDialog(Id.dialog.import_keys); + return true; + } + + case Id.menu.option.export_keys: { + showDialog(Id.dialog.export_keys); + return true; + } + + default: { + return super.onOptionsItemSelected(item); + } + } + } + + @Override + public boolean onContextItemSelected(MenuItem menuItem) { + ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) menuItem.getMenuInfo(); + int type = ExpandableListView.getPackedPositionType(info.packedPosition); + int groupPosition = ExpandableListView.getPackedPositionGroup(info.packedPosition); + + if (type != ExpandableListView.PACKED_POSITION_TYPE_GROUP) { + return super.onContextItemSelected(menuItem); + } + + switch (menuItem.getItemId()) { + case Id.menu.export: { + mSelectedItem = groupPosition; + showDialog(Id.dialog.export_key); + return true; + } + + case Id.menu.delete: { + mSelectedItem = groupPosition; + showDialog(Id.dialog.delete_key); + return true; + } + + default: { + return super.onContextItemSelected(menuItem); + } + } + } + + @Override + protected Dialog onCreateDialog(int id) { + boolean singleKeyExport = false; + + switch (id) { + case Id.dialog.delete_key: { + final int keyRingId = mListAdapter.getKeyRingId(mSelectedItem); + mSelectedItem = -1; + // TODO: better way to do this? + String userId = "<unknown>"; + Object keyRing = Apg.getKeyRing(keyRingId); + if (keyRing != null) { + if (keyRing instanceof PGPPublicKeyRing) { + userId = Apg.getMainUserIdSafe(this, + Apg.getMasterKey((PGPPublicKeyRing) keyRing)); + } else { + userId = Apg.getMainUserIdSafe(this, + Apg.getMasterKey((PGPSecretKeyRing) keyRing)); + } + } + + AlertDialog.Builder builder = new AlertDialog.Builder(this); + builder.setTitle(R.string.warning); + builder.setMessage(getString( + mKeyType == Id.type.public_key ? R.string.keyDeletionConfirmation + : R.string.secretKeyDeletionConfirmation, userId)); + builder.setIcon(android.R.drawable.ic_dialog_alert); + builder.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + deleteKey(keyRingId); + removeDialog(Id.dialog.delete_key); + } + }); + builder.setNegativeButton(android.R.string.cancel, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + removeDialog(Id.dialog.delete_key); + } + }); + return builder.create(); + } + + case Id.dialog.import_keys: { + return FileDialog.build(this, getString(R.string.title_importKeys), + getString(R.string.specifyFileToImportFrom), mImportFilename, + new FileDialog.OnClickListener() { + public void onOkClick(String filename, boolean checked) { + removeDialog(Id.dialog.import_keys); + mDeleteAfterImport = checked; + mImportFilename = filename; + importKeys(); + } + + public void onCancelClick() { + removeDialog(Id.dialog.import_keys); + } + }, getString(R.string.filemanager_titleOpen), + getString(R.string.filemanager_btnOpen), + getString(R.string.label_deleteAfterImport), Id.request.filename); + } + + case Id.dialog.export_key: { + singleKeyExport = true; + // break intentionally omitted, to use the Id.dialog.export_keys dialog + } + + case Id.dialog.export_keys: { + String title = (singleKeyExport ? getString(R.string.title_exportKey) + : getString(R.string.title_exportKeys)); + + final int thisDialogId = (singleKeyExport ? Id.dialog.export_key + : Id.dialog.export_keys); + + return FileDialog.build(this, title, + getString(mKeyType == Id.type.public_key ? R.string.specifyFileToExportTo + : R.string.specifyFileToExportSecretKeysTo), mExportFilename, + new FileDialog.OnClickListener() { + public void onOkClick(String filename, boolean checked) { + removeDialog(thisDialogId); + mExportFilename = filename; + exportKeys(); + } + + public void onCancelClick() { + removeDialog(thisDialogId); + } + }, getString(R.string.filemanager_titleSave), + getString(R.string.filemanager_btnSave), null, Id.request.filename); + } + + default: { + return super.onCreateDialog(id); + } + } + } + + public void importKeys() { + showDialog(Id.dialog.importing); + mTask = Id.task.import_keys; + startThread(); + } + + public void exportKeys() { + showDialog(Id.dialog.exporting); + mTask = Id.task.export_keys; + startThread(); + } + + @Override + public void run() { + String error = null; + Bundle data = new Bundle(); + Message msg = new Message(); + + try { + InputStream importInputStream = null; + OutputStream exportOutputStream = null; + long size = 0; + if (mTask == Id.task.import_keys) { + if (mImportData != null) { + byte[] bytes = mImportData.getBytes(); + size = bytes.length; + importInputStream = new ByteArrayInputStream(bytes); + } else { + File file = new File(mImportFilename); + size = file.length(); + importInputStream = new FileInputStream(file); + } + } else { + exportOutputStream = new FileOutputStream(mExportFilename); + } + + if (mTask == Id.task.import_keys) { + data = Apg.importKeyRings(this, mKeyType, new InputData(importInputStream, size), + this); + } else { + Vector<Integer> keyRingIds = new Vector<Integer>(); + if (mSelectedItem == -1) { + keyRingIds = Apg + .getKeyRingIds(mKeyType == Id.type.public_key ? Id.database.type_public + : Id.database.type_secret); + } else { + int keyRingId = mListAdapter.getKeyRingId(mSelectedItem); + keyRingIds.add(keyRingId); + mSelectedItem = -1; + } + data = Apg.exportKeyRings(this, keyRingIds, exportOutputStream, this); + } + } catch (FileNotFoundException e) { + error = getString(R.string.error_fileNotFound); + } catch (IOException e) { + error = "" + e; + } catch (PGPException e) { + error = "" + e; + } catch (Apg.GeneralException e) { + error = "" + e; + } + + mImportData = null; + + if (mTask == Id.task.import_keys) { + data.putInt(Constants.extras.STATUS, Id.message.import_done); + } else { + data.putInt(Constants.extras.STATUS, Id.message.export_done); + } + + if (error != null) { + data.putString(Apg.EXTRA_ERROR, error); + } + + msg.setData(data); + sendMessage(msg); + } + + protected void deleteKey(int keyRingId) { + Apg.deleteKey(keyRingId); + refreshList(); + } + + protected void refreshList() { + mListAdapter.rebuild(true); + mListAdapter.notifyDataSetChanged(); + } + + @Override + public void doneCallback(Message msg) { + super.doneCallback(msg); + + Bundle data = msg.getData(); + if (data != null) { + int type = data.getInt(Constants.extras.STATUS); + switch (type) { + case Id.message.import_done: { + removeDialog(Id.dialog.importing); + + String error = data.getString(Apg.EXTRA_ERROR); + if (error != null) { + Toast.makeText(KeyListActivity.this, getString(R.string.errorMessage, error), + Toast.LENGTH_SHORT).show(); + } else { + int added = data.getInt("added"); + int updated = data.getInt("updated"); + int bad = data.getInt("bad"); + String message; + if (added > 0 && updated > 0) { + message = getString(R.string.keysAddedAndUpdated, added, updated); + } else if (added > 0) { + message = getString(R.string.keysAdded, added); + } else if (updated > 0) { + message = getString(R.string.keysUpdated, updated); + } else { + message = getString(R.string.noKeysAddedOrUpdated); + } + Toast.makeText(KeyListActivity.this, message, Toast.LENGTH_SHORT).show(); + if (bad > 0) { + AlertDialog.Builder alert = new AlertDialog.Builder(this); + + alert.setIcon(android.R.drawable.ic_dialog_alert); + alert.setTitle(R.string.warning); + alert.setMessage(this.getString(R.string.badKeysEncountered, bad)); + + alert.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.cancel(); + } + }); + alert.setCancelable(true); + alert.create().show(); + } else if (mDeleteAfterImport) { + // everything went well, so now delete, if that was turned on + setDeleteFile(mImportFilename); + showDialog(Id.dialog.delete_file); + } + } + refreshList(); + break; + } + + case Id.message.export_done: { + removeDialog(Id.dialog.exporting); + + String error = data.getString(Apg.EXTRA_ERROR); + if (error != null) { + Toast.makeText(KeyListActivity.this, getString(R.string.errorMessage, error), + Toast.LENGTH_SHORT).show(); + } else { + int exported = data.getInt("exported"); + String message; + if (exported == 1) { + message = getString(R.string.keyExported); + } else if (exported > 0) { + message = getString(R.string.keysExported, exported); + } else { + message = getString(R.string.noKeysExported); + } + Toast.makeText(KeyListActivity.this, message, Toast.LENGTH_SHORT).show(); + } + break; + } + + default: { + break; + } + } + } + } + + protected class KeyListAdapter extends BaseExpandableListAdapter { + private LayoutInflater mInflater; + private Vector<Vector<KeyChild>> mChildren; + private SQLiteDatabase mDatabase; + private Cursor mCursor; + private String mSearchString; + + private class KeyChild { + public static final int KEY = 0; + public static final int USER_ID = 1; + public static final int FINGER_PRINT = 2; + + public int type; + public String userId; + public long keyId; + public boolean isMasterKey; + public int algorithm; + public int keySize; + public boolean canSign; + public boolean canEncrypt; + public String fingerPrint; + + public KeyChild(long keyId, boolean isMasterKey, int algorithm, int keySize, + boolean canSign, boolean canEncrypt) { + this.type = KEY; + this.keyId = keyId; + this.isMasterKey = isMasterKey; + this.algorithm = algorithm; + this.keySize = keySize; + this.canSign = canSign; + this.canEncrypt = canEncrypt; + } + + public KeyChild(String userId) { + type = USER_ID; + this.userId = userId; + } + + public KeyChild(String fingerPrint, boolean isFingerPrint) { + type = FINGER_PRINT; + this.fingerPrint = fingerPrint; + } + } + + public KeyListAdapter(Context context, String searchString) { + mSearchString = searchString; + + mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); + mDatabase = Apg.getDatabase().db(); + SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); + qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " + "(" + + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " + Keys.TABLE_NAME + "." + + Keys.KEY_RING_ID + " AND " + Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + + " = '1'" + ") " + " INNER JOIN " + UserIds.TABLE_NAME + " ON " + "(" + + Keys.TABLE_NAME + "." + Keys._ID + " = " + UserIds.TABLE_NAME + "." + + UserIds.KEY_ID + " AND " + UserIds.TABLE_NAME + "." + UserIds.RANK + + " = '0')"); + + if (searchString != null && searchString.trim().length() > 0) { + String[] chunks = searchString.trim().split(" +"); + qb.appendWhere("EXISTS (SELECT tmp." + UserIds._ID + " FROM " + UserIds.TABLE_NAME + + " AS tmp WHERE " + "tmp." + UserIds.KEY_ID + " = " + Keys.TABLE_NAME + + "." + Keys._ID); + for (int i = 0; i < chunks.length; ++i) { + qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE "); + qb.appendWhereEscapeString("%" + chunks[i] + "%"); + } + qb.appendWhere(")"); + } + + mCursor = qb.query(mDatabase, new String[] { KeyRings.TABLE_NAME + "." + KeyRings._ID, // 0 + KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1 + UserIds.TABLE_NAME + "." + UserIds.USER_ID, // 2 + }, KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?", new String[] { "" + + (mKeyType == Id.type.public_key ? Id.database.type_public + : Id.database.type_secret) }, null, null, UserIds.TABLE_NAME + "." + + UserIds.USER_ID + " ASC"); + + // content provider way for reference, might have to go back to it sometime: + /* + * Uri contentUri = null; if (mKeyType == Id.type.secret_key) { contentUri = + * Apg.CONTENT_URI_SECRET_KEY_RINGS; } else { contentUri = + * Apg.CONTENT_URI_PUBLIC_KEY_RINGS; } mCursor = getContentResolver().query( contentUri, + * new String[] { DataProvider._ID, // 0 DataProvider.MASTER_KEY_ID, // 1 + * DataProvider.USER_ID, // 2 }, null, null, null); + */ + + startManagingCursor(mCursor); + rebuild(false); + } + + public void cleanup() { + if (mCursor != null) { + stopManagingCursor(mCursor); + mCursor.close(); + } + } + + public void rebuild(boolean requery) { + if (requery) { + mCursor.requery(); + } + mChildren = new Vector<Vector<KeyChild>>(); + for (int i = 0; i < mCursor.getCount(); ++i) { + mChildren.add(null); + } + } + + protected Vector<KeyChild> getChildrenOfGroup(int groupPosition) { + Vector<KeyChild> children = mChildren.get(groupPosition); + if (children != null) { + return children; + } + + mCursor.moveToPosition(groupPosition); + children = new Vector<KeyChild>(); + Cursor c = mDatabase.query(Keys.TABLE_NAME, new String[] { Keys._ID, // 0 + Keys.KEY_ID, // 1 + Keys.IS_MASTER_KEY, // 2 + Keys.ALGORITHM, // 3 + Keys.KEY_SIZE, // 4 + Keys.CAN_SIGN, // 5 + Keys.CAN_ENCRYPT, // 6 + }, Keys.KEY_RING_ID + " = ?", new String[] { mCursor.getString(0) }, null, null, + Keys.RANK + " ASC"); + + int masterKeyId = -1; + long fingerPrintId = -1; + for (int i = 0; i < c.getCount(); ++i) { + c.moveToPosition(i); + children.add(new KeyChild(c.getLong(1), c.getInt(2) == 1, c.getInt(3), c.getInt(4), + c.getInt(5) == 1, c.getInt(6) == 1)); + if (i == 0) { + masterKeyId = c.getInt(0); + fingerPrintId = c.getLong(1); + } + } + c.close(); + + if (masterKeyId != -1) { + children.insertElementAt(new KeyChild(Apg.getFingerPrint(fingerPrintId), true), 0); + c = mDatabase.query(UserIds.TABLE_NAME, new String[] { UserIds.USER_ID, // 0 + }, UserIds.KEY_ID + " = ? AND " + UserIds.RANK + " > 0", new String[] { "" + + masterKeyId }, null, null, UserIds.RANK + " ASC"); + + for (int i = 0; i < c.getCount(); ++i) { + c.moveToPosition(i); + children.add(new KeyChild(c.getString(0))); + } + c.close(); + } + + mChildren.set(groupPosition, children); + return children; + } + + public boolean hasStableIds() { + return true; + } + + public boolean isChildSelectable(int groupPosition, int childPosition) { + return true; + } + + public int getGroupCount() { + return mCursor.getCount(); + } + + public Object getChild(int groupPosition, int childPosition) { + return null; + } + + public long getChildId(int groupPosition, int childPosition) { + return childPosition; + } + + public int getChildrenCount(int groupPosition) { + return getChildrenOfGroup(groupPosition).size(); + } + + public Object getGroup(int position) { + return position; + } + + public long getGroupId(int position) { + mCursor.moveToPosition(position); + return mCursor.getLong(1); // MASTER_KEY_ID + } + + public int getKeyRingId(int position) { + mCursor.moveToPosition(position); + return mCursor.getInt(0); // _ID + } + + public View getGroupView(int groupPosition, boolean isExpanded, View convertView, + ViewGroup parent) { + mCursor.moveToPosition(groupPosition); + + View view = mInflater.inflate(R.layout.key_list_group_item, null); + view.setBackgroundResource(android.R.drawable.list_selector_background); + + TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId); + mainUserId.setText(""); + TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest); + mainUserIdRest.setText(""); + + String userId = mCursor.getString(2); // USER_ID + if (userId != null) { + String chunks[] = userId.split(" <", 2); + userId = chunks[0]; + if (chunks.length > 1) { + mainUserIdRest.setText("<" + chunks[1]); + } + mainUserId.setText(userId); + } + + if (mainUserId.getText().length() == 0) { + mainUserId.setText(R.string.unknownUserId); + } + + if (mainUserIdRest.getText().length() == 0) { + mainUserIdRest.setVisibility(View.GONE); + } + return view; + } + + public View getChildView(int groupPosition, int childPosition, boolean isLastChild, + View convertView, ViewGroup parent) { + mCursor.moveToPosition(groupPosition); + + Vector<KeyChild> children = getChildrenOfGroup(groupPosition); + + KeyChild child = children.get(childPosition); + View view = null; + switch (child.type) { + case KeyChild.KEY: { + if (child.isMasterKey) { + view = mInflater.inflate(R.layout.key_list_child_item_master_key, null); + } else { + view = mInflater.inflate(R.layout.key_list_child_item_sub_key, null); + } + + TextView keyId = (TextView) view.findViewById(R.id.keyId); + String keyIdStr = Apg.getSmallFingerPrint(child.keyId); + keyId.setText(keyIdStr); + TextView keyDetails = (TextView) view.findViewById(R.id.keyDetails); + String algorithmStr = Apg.getAlgorithmInfo(child.algorithm, child.keySize); + keyDetails.setText("(" + algorithmStr + ")"); + + ImageView encryptIcon = (ImageView) view.findViewById(R.id.ic_encryptKey); + if (!child.canEncrypt) { + encryptIcon.setVisibility(View.GONE); + } + + ImageView signIcon = (ImageView) view.findViewById(R.id.ic_signKey); + if (!child.canSign) { + signIcon.setVisibility(View.GONE); + } + break; + } + + case KeyChild.USER_ID: { + view = mInflater.inflate(R.layout.key_list_child_item_user_id, null); + TextView userId = (TextView) view.findViewById(R.id.userId); + userId.setText(child.userId); + break; + } + + case KeyChild.FINGER_PRINT: { + view = mInflater.inflate(R.layout.key_list_child_item_user_id, null); + TextView userId = (TextView) view.findViewById(R.id.userId); + userId.setText(getString(R.string.fingerprint) + ":\n" + + child.fingerPrint.replace(" ", "\n")); + break; + } + } + return view; + } + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + switch (requestCode) { + case Id.request.filename: { + if (resultCode == RESULT_OK && data != null) { + String filename = data.getDataString(); + if (filename != null) { + // Get rid of URI prefix: + if (filename.startsWith("file://")) { + filename = filename.substring(7); + } + // replace %20 and so on + filename = Uri.decode(filename); + + FileDialog.setFilename(filename); + } + } + return; + } + + default: { + break; + } + } + super.onActivityResult(requestCode, resultCode, data); + } +} |