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Merge keybase-proof branch

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This commit is contained in:
Dominik Schürmann
2015-02-27 01:18:18 +01:00
parent a70d80483d 5c54ab1a0d
commit 6dce7c88d8
10 changed files with 987 additions and 11 deletions
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5
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvActivity.java
View File

@@ -144,6 +144,11 @@ public class ViewKeyAdvActivity extends BaseActivity implements
mTabsAdapter.addTab(ViewKeyAdvCertsFragment.class,
certsBundle, getString(R.string.key_view_tab_certs));
Bundle trustBundle = new Bundle();
trustBundle.putParcelable(ViewKeyTrustFragment.ARG_DATA_URI, dataUri);
mTabsAdapter.addTab(ViewKeyTrustFragment.class,
trustBundle, getString(R.string.key_view_tab_keybase));
// update layout after operations
mSlidingTabLayout.setViewPager(mViewPager);
}

460
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyTrustFragment.java Normal file
View File

@@ -0,0 +1,460 @@
/*
* Copyright (C) 2014 Tim Bray <tbray@textuality.com>
*
* 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 android.app.ProgressDialog;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Typeface;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.text.style.StyleSpan;
import android.text.style.URLSpan;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import com.textuality.keybase.lib.KeybaseException;
import com.textuality.keybase.lib.Proof;
import com.textuality.keybase.lib.User;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.service.KeychainIntentService;
import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.util.Log;
import java.util.ArrayList;
import java.util.Date;
import java.util.Hashtable;
import java.util.List;
public class ViewKeyTrustFragment extends LoaderFragment implements
LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_DATA_URI = "uri";
private View mStartSearch;
private TextView mTrustReadout;
private TextView mReportHeader;
private TableLayout mProofListing;
private LayoutInflater mInflater;
private View mProofVerifyHeader;
private TextView mProofVerifyDetail;
private static final int LOADER_ID_DATABASE = 1;
// for retrieving the key we’re working on
private Uri mDataUri;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.view_key_trust_fragment, getContainer());
mInflater = inflater;
mTrustReadout = (TextView) view.findViewById(R.id.view_key_trust_readout);
mStartSearch = view.findViewById(R.id.view_key_trust_search_cloud);
mStartSearch.setEnabled(false);
mReportHeader = (TextView) view.findViewById(R.id.view_key_trust_cloud_narrative);
mProofListing = (TableLayout) view.findViewById(R.id.view_key_proof_list);
mProofVerifyHeader = view.findViewById(R.id.view_key_proof_verify_header);
mProofVerifyDetail = (TextView) view.findViewById(R.id.view_key_proof_verify_detail);
mReportHeader.setVisibility(View.GONE);
mProofListing.setVisibility(View.GONE);
mProofVerifyHeader.setVisibility(View.GONE);
mProofVerifyDetail.setVisibility(View.GONE);
return root;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
if (dataUri == null) {
Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
getActivity().finish();
return;
}
mDataUri = dataUri;
// retrieve the key from the database
getLoaderManager().initLoader(LOADER_ID_DATABASE, null, this);
}
static final String[] TRUST_PROJECTION = new String[]{
KeyRings._ID, KeyRings.FINGERPRINT, KeyRings.IS_REVOKED, KeyRings.EXPIRY,
KeyRings.HAS_ANY_SECRET, KeyRings.VERIFIED
};
static final int INDEX_TRUST_FINGERPRINT = 1;
static final int INDEX_TRUST_IS_REVOKED = 2;
static final int INDEX_TRUST_EXPIRY = 3;
static final int INDEX_UNIFIED_HAS_ANY_SECRET = 4;
static final int INDEX_VERIFIED = 5;
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
setContentShown(false);
switch (id) {
case LOADER_ID_DATABASE: {
Uri baseUri = KeyRings.buildUnifiedKeyRingUri(mDataUri);
return new CursorLoader(getActivity(), baseUri, TRUST_PROJECTION, null, null, null);
}
// decided to just use an AsyncTask for keybase, but maybe later
default:
return null;
}
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
/* TODO better error handling? May cause problems when a key is deleted,
* because the notification triggers faster than the activity closes.
*/
// Avoid NullPointerExceptions...
if (data.getCount() == 0) {
return;
}
boolean nothingSpecial = true;
StringBuilder message = new StringBuilder();
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
if (data.moveToFirst()) {
if (data.getInt(INDEX_UNIFIED_HAS_ANY_SECRET) != 0) {
message.append(getString(R.string.key_trust_it_is_yours)).append("\n");
nothingSpecial = false;
} else if (data.getInt(INDEX_VERIFIED) != 0) {
message.append(getString(R.string.key_trust_already_verified)).append("\n");
nothingSpecial = false;
}
// If this key is revoked, don’t trust it!
if (data.getInt(INDEX_TRUST_IS_REVOKED) != 0) {
message.append(getString(R.string.key_trust_revoked)).
append(getString(R.string.key_trust_old_keys));
nothingSpecial = false;
} else {
Date expiryDate = new Date(data.getLong(INDEX_TRUST_EXPIRY) * 1000);
if (!data.isNull(INDEX_TRUST_EXPIRY) && expiryDate.before(new Date())) {
// if expired, don’t trust it!
message.append(getString(R.string.key_trust_expired)).
append(getString(R.string.key_trust_old_keys));
nothingSpecial = false;
}
}
if (nothingSpecial) {
message.append(getString(R.string.key_trust_maybe));
}
final byte[] fp = data.getBlob(INDEX_TRUST_FINGERPRINT);
final String fingerprint = KeyFormattingUtils.convertFingerprintToHex(fp);
if (fingerprint != null) {
mStartSearch.setEnabled(true);
mStartSearch.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mStartSearch.setEnabled(false);
new DescribeKey().execute(fingerprint);
}
});
}
}
mTrustReadout.setText(message);
setContentShown(true);
}
/**
* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
* We need to make sure we are no longer using it.
*/
public void onLoaderReset(Loader<Cursor> loader) {
// no-op in this case I think
}
class ResultPage {
String mHeader;
final List<CharSequence> mProofs;
public ResultPage(String header, List<CharSequence> proofs) {
mHeader = header;
mProofs = proofs;
}
}
// look for evidence from keybase in the background, make tabular version of result
//
private class DescribeKey extends AsyncTask<String, Void, ResultPage> {
@Override
protected ResultPage doInBackground(String... args) {
String fingerprint = args[0];
final ArrayList<CharSequence> proofList = new ArrayList<CharSequence>();
final Hashtable<Integer, ArrayList<Proof>> proofs = new Hashtable<Integer, ArrayList<Proof>>();
try {
User keybaseUser = User.findByFingerprint(fingerprint);
for (Proof proof : keybaseUser.getProofs()) {
Integer proofType = proof.getType();
appendIfOK(proofs, proofType, proof);
}
// a one-liner in a modern programming language
for (Integer proofType : proofs.keySet()) {
Proof[] x = {};
Proof[] proofsFor = proofs.get(proofType).toArray(x);
if (proofsFor.length > 0) {
SpannableStringBuilder ssb = new SpannableStringBuilder();
ssb.append(getProofNarrative(proofType)).append(" ");
int i = 0;
while (i < proofsFor.length - 1) {
appendProofLinks(ssb, fingerprint, proofsFor[i]);
ssb.append(", ");
i++;
}
appendProofLinks(ssb, fingerprint, proofsFor[i]);
proofList.add(ssb);
}
}
} catch (KeybaseException ignored) {
}
return new ResultPage(getString(R.string.key_trust_results_prefix), proofList);
}
private SpannableStringBuilder appendProofLinks(SpannableStringBuilder ssb, final String fingerprint, final Proof proof) throws KeybaseException {
int startAt = ssb.length();
String handle = proof.getHandle();
ssb.append(handle);
ssb.setSpan(new URLSpan(proof.getServiceUrl()), startAt, startAt + handle.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
if (haveProofFor(proof.getType())) {
ssb.append("\u00a0[");
startAt = ssb.length();
String verify = getString(R.string.keybase_verify);
ssb.append(verify);
ClickableSpan clicker = new ClickableSpan() {
@Override
public void onClick(View view) {
verify(proof, fingerprint);
}
};
ssb.setSpan(clicker, startAt, startAt + verify.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ssb.append("]");
}
return ssb;
}
@Override
protected void onPostExecute(ResultPage result) {
super.onPostExecute(result);
if (result.mProofs.isEmpty()) {
result.mHeader = getActivity().getString(R.string.key_trust_no_cloud_evidence);
}
mStartSearch.setVisibility(View.GONE);
mReportHeader.setVisibility(View.VISIBLE);
mProofListing.setVisibility(View.VISIBLE);
mReportHeader.setText(result.mHeader);
int rowNumber = 1;
for (CharSequence s : result.mProofs) {
TableRow row = (TableRow) mInflater.inflate(R.layout.view_key_keybase_proof, null);
TextView number = (TextView) row.findViewById(R.id.proof_number);
TextView text = (TextView) row.findViewById(R.id.proof_text);
number.setText(Integer.toString(rowNumber++) + ". ");
text.setText(s);
text.setMovementMethod(LinkMovementMethod.getInstance());
mProofListing.addView(row);
}
// mSearchReport.loadDataWithBaseURL("file:///android_res/drawable/", s, "text/html", "UTF-8", null);
}
}
private String getProofNarrative(int proofType) {
int stringIndex;
switch (proofType) {
case Proof.PROOF_TYPE_TWITTER: stringIndex = R.string.keybase_narrative_twitter; break;
case Proof.PROOF_TYPE_GITHUB: stringIndex = R.string.keybase_narrative_github; break;
case Proof.PROOF_TYPE_DNS: stringIndex = R.string.keybase_narrative_dns; break;
case Proof.PROOF_TYPE_WEB_SITE: stringIndex = R.string.keybase_narrative_web_site; break;
case Proof.PROOF_TYPE_HACKERNEWS: stringIndex = R.string.keybase_narrative_hackernews; break;
case Proof.PROOF_TYPE_COINBASE: stringIndex = R.string.keybase_narrative_coinbase; break;
case Proof.PROOF_TYPE_REDDIT: stringIndex = R.string.keybase_narrative_reddit; break;
default: stringIndex = R.string.keybase_narrative_unknown;
}
return getActivity().getString(stringIndex);
}
private void appendIfOK(Hashtable<Integer, ArrayList<Proof>> table, Integer proofType, Proof proof) throws KeybaseException {
ArrayList<Proof> list = table.get(proofType);
if (list == null) {
list = new ArrayList<Proof>();
table.put(proofType, list);
}
list.add(proof);
}
// which proofs do we have working verifiers for?
private boolean haveProofFor(int proofType) {
switch (proofType) {
case Proof.PROOF_TYPE_TWITTER: return true;
case Proof.PROOF_TYPE_GITHUB: return true;
case Proof.PROOF_TYPE_DNS: return true;
case Proof.PROOF_TYPE_WEB_SITE: return true;
case Proof.PROOF_TYPE_HACKERNEWS: return true;
case Proof.PROOF_TYPE_COINBASE: return true;
case Proof.PROOF_TYPE_REDDIT: return true;
default: return false;
}
}
private void verify(final Proof proof, final String fingerprint) {
Intent intent = new Intent(getActivity(), KeychainIntentService.class);
Bundle data = new Bundle();
intent.setAction(KeychainIntentService.ACTION_VERIFY_KEYBASE_PROOF);
data.putString(KeychainIntentService.KEYBASE_PROOF, proof.toString());
data.putString(KeychainIntentService.KEYBASE_REQUIRED_FINGERPRINT, fingerprint);
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
mProofVerifyDetail.setVisibility(View.GONE);
// Create a new Messenger for the communication back after proof work is done
//
KeychainIntentServiceHandler handler = new KeychainIntentServiceHandler(getActivity(),
getString(R.string.progress_verifying_signature), ProgressDialog.STYLE_HORIZONTAL) {
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
Bundle returnData = message.getData();
String msg = returnData.getString(KeychainIntentServiceHandler.DATA_MESSAGE);
SpannableStringBuilder ssb = new SpannableStringBuilder();
if ((msg != null) && msg.equals("OK")) {
//yay
String proofUrl = returnData.getString(KeychainIntentServiceHandler.KEYBASE_PROOF_URL);
String presenceUrl = returnData.getString(KeychainIntentServiceHandler.KEYBASE_PRESENCE_URL);
String presenceLabel = returnData.getString(KeychainIntentServiceHandler.KEYBASE_PRESENCE_LABEL);
String proofLabel;
switch (proof.getType()) {
case Proof.PROOF_TYPE_TWITTER:
proofLabel = getString(R.string.keybase_twitter_proof);
break;
case Proof.PROOF_TYPE_DNS:
proofLabel = getString(R.string.keybase_dns_proof);
break;
case Proof.PROOF_TYPE_WEB_SITE:
proofLabel = getString(R.string.keybase_web_site_proof);
break;
case Proof.PROOF_TYPE_GITHUB:
proofLabel = getString(R.string.keybase_github_proof);
break;
case Proof.PROOF_TYPE_REDDIT:
proofLabel = getString(R.string.keybase_reddit_proof);
break;
default:
proofLabel = getString(R.string.keybase_a_post);
break;
}
ssb.append(getString(R.string.keybase_proof_succeeded));
StyleSpan bold = new StyleSpan(Typeface.BOLD);
ssb.setSpan(bold, 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ssb.append("\n\n");
int length = ssb.length();
ssb.append(proofLabel);
if (proofUrl != null) {
URLSpan postLink = new URLSpan(proofUrl);
ssb.setSpan(postLink, length, length + proofLabel.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
if (Proof.PROOF_TYPE_DNS == proof.getType()) {
ssb.append(" ").append(getString(R.string.keybase_for_the_domain)).append(" ");
} else {
ssb.append(" ").append(getString(R.string.keybase_fetched_from)).append(" ");
}
length = ssb.length();
URLSpan presenceLink = new URLSpan(presenceUrl);
ssb.append(presenceLabel);
ssb.setSpan(presenceLink, length, length + presenceLabel.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
if (Proof.PROOF_TYPE_REDDIT == proof.getType()) {
ssb.append(", ").
append(getString(R.string.keybase_reddit_attribution)).
append(" “").append(proof.getHandle()).append("”, ");
}
ssb.append(" ").append(getString(R.string.keybase_contained_signature));
} else {
// verification failed!
msg = returnData.getString(KeychainIntentServiceHandler.DATA_ERROR);
ssb.append(getString(R.string.keybase_proof_failure));
if (msg == null) {
msg = getString(R.string.keybase_unknown_proof_failure);
}
StyleSpan bold = new StyleSpan(Typeface.BOLD);
ssb.setSpan(bold, 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ssb.append("\n\n").append(msg);
}
mProofVerifyHeader.setVisibility(View.VISIBLE);
mProofVerifyDetail.setVisibility(View.VISIBLE);
mProofVerifyDetail.setMovementMethod(LinkMovementMethod.getInstance());
mProofVerifyDetail.setText(ssb);
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(handler);
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
handler.showProgressDialog(getActivity());
// start service with intent
getActivity().startService(intent);
}
}

18
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
View File

@@ -213,8 +213,24 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
// destroyLoader view from holder
holder.userIdsList.removeAllViews();
// we want conventional gpg UserIDs first, then Keybase ”proofs”
HashMap<String, HashSet<String>> mergedUserIds = entry.getMergedUserIds();
for (Map.Entry<String, HashSet<String>> pair : mergedUserIds.entrySet()) {
ArrayList<Map.Entry<String, HashSet<String>>> sortedIds = new ArrayList<Map.Entry<String, HashSet<String>>>(mergedUserIds.entrySet());
java.util.Collections.sort(sortedIds, new java.util.Comparator<Map.Entry<String, HashSet<String>>>() {
@Override
public int compare(Map.Entry<String, HashSet<String>> entry1, Map.Entry<String, HashSet<String>> entry2) {
// sort keybase UserIds after non-Keybase
boolean e1IsKeybase = entry1.getKey().contains(":");
boolean e2IsKeybase = entry2.getKey().contains(":");
if (e1IsKeybase != e2IsKeybase) {
return (e1IsKeybase) ? 1 : -1;
}
return entry1.getKey().compareTo(entry2.getKey());
}
});
for (Map.Entry<String, HashSet<String>> pair : sortedIds) {
String cUserId = pair.getKey();
HashSet<String> cEmails = pair.getValue();