diff options
Diffstat (limited to 'src/main/java/eu/siacs/conversations/ui/TrustKeysActivity.java')
| -rw-r--r-- | src/main/java/eu/siacs/conversations/ui/TrustKeysActivity.java | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/TrustKeysActivity.java b/src/main/java/eu/siacs/conversations/ui/TrustKeysActivity.java new file mode 100644 index 00000000..cc4ba7b2 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/ui/TrustKeysActivity.java @@ -0,0 +1,337 @@ +package eu.siacs.conversations.ui; + +import android.content.Intent; +import android.os.Bundle; +import android.view.View; +import android.view.View.OnClickListener; +import android.widget.Button; +import android.widget.CompoundButton; +import android.widget.LinearLayout; +import android.widget.TextView; +import android.widget.Toast; + +import org.whispersystems.libaxolotl.IdentityKey; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import eu.siacs.conversations.R; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; +import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession; +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.entities.Conversation; +import eu.siacs.conversations.xmpp.OnKeyStatusUpdated; +import eu.siacs.conversations.xmpp.jid.InvalidJidException; +import eu.siacs.conversations.xmpp.jid.Jid; + +public class TrustKeysActivity extends XmppActivity implements OnKeyStatusUpdated { + private List<Jid> contactJids; + + private Account mAccount; + private Conversation mConversation; + private TextView keyErrorMessage; + private LinearLayout keyErrorMessageCard; + private TextView ownKeysTitle; + private LinearLayout ownKeys; + private LinearLayout ownKeysCard; + private LinearLayout foreignKeys; + private Button mSaveButton; + private Button mCancelButton; + + private AxolotlService.FetchStatus lastFetchReport = AxolotlService.FetchStatus.SUCCESS; + + private final Map<String, Boolean> ownKeysToTrust = new HashMap<>(); + private final Map<Jid,Map<String, Boolean>> foreignKeysToTrust = new HashMap<>(); + + private final OnClickListener mSaveButtonListener = new OnClickListener() { + @Override + public void onClick(View v) { + commitTrusts(); + finishOk(); + } + }; + + private final OnClickListener mCancelButtonListener = new OnClickListener() { + @Override + public void onClick(View v) { + setResult(RESULT_CANCELED); + finish(); + } + }; + + @Override + protected void refreshUiReal() { + invalidateOptionsMenu(); + populateView(); + } + + @Override + protected void onCreate(final Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.activity_trust_keys); + this.contactJids = new ArrayList<>(); + for(String jid : getIntent().getStringArrayExtra("contacts")) { + try { + this.contactJids.add(Jid.fromString(jid)); + } catch (InvalidJidException e) { + e.printStackTrace(); + } + } + + keyErrorMessageCard = (LinearLayout) findViewById(R.id.key_error_message_card); + keyErrorMessage = (TextView) findViewById(R.id.key_error_message); + ownKeysTitle = (TextView) findViewById(R.id.own_keys_title); + ownKeys = (LinearLayout) findViewById(R.id.own_keys_details); + ownKeysCard = (LinearLayout) findViewById(R.id.own_keys_card); + foreignKeys = (LinearLayout) findViewById(R.id.foreign_keys); + mCancelButton = (Button) findViewById(R.id.cancel_button); + mCancelButton.setOnClickListener(mCancelButtonListener); + mSaveButton = (Button) findViewById(R.id.save_button); + mSaveButton.setOnClickListener(mSaveButtonListener); + + + if (getActionBar() != null) { + getActionBar().setHomeButtonEnabled(true); + getActionBar().setDisplayHomeAsUpEnabled(true); + } + } + + private void populateView() { + setTitle(getString(R.string.trust_omemo_fingerprints)); + ownKeys.removeAllViews(); + foreignKeys.removeAllViews(); + boolean hasOwnKeys = false; + boolean hasForeignKeys = false; + for(final String fingerprint : ownKeysToTrust.keySet()) { + hasOwnKeys = true; + addFingerprintRowWithListeners(ownKeys, mAccount, fingerprint, false, + XmppAxolotlSession.Trust.fromBoolean(ownKeysToTrust.get(fingerprint)), false, + new CompoundButton.OnCheckedChangeListener() { + @Override + public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { + ownKeysToTrust.put(fingerprint, isChecked); + // own fingerprints have no impact on locked status. + } + }, + null, + null + ); + } + + synchronized (this.foreignKeysToTrust) { + for (Map.Entry<Jid, Map<String, Boolean>> entry : foreignKeysToTrust.entrySet()) { + hasForeignKeys = true; + final LinearLayout layout = (LinearLayout) getLayoutInflater().inflate(R.layout.keys_card, foreignKeys, false); + final Jid jid = entry.getKey(); + final TextView header = (TextView) layout.findViewById(R.id.foreign_keys_title); + final LinearLayout keysContainer = (LinearLayout) layout.findViewById(R.id.foreign_keys_details); + final TextView informNoKeys = (TextView) layout.findViewById(R.id.no_keys_to_accept); + header.setText(jid.toString()); + final Map<String, Boolean> fingerprints = entry.getValue(); + for (final String fingerprint : fingerprints.keySet()) { + addFingerprintRowWithListeners(keysContainer, mAccount, fingerprint, false, + XmppAxolotlSession.Trust.fromBoolean(fingerprints.get(fingerprint)), false, + new CompoundButton.OnCheckedChangeListener() { + @Override + public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { + fingerprints.put(fingerprint, isChecked); + lockOrUnlockAsNeeded(); + } + }, + null, + null + ); + } + if (fingerprints.size() == 0) { + informNoKeys.setVisibility(View.VISIBLE); + informNoKeys.setText(getString(R.string.no_keys_just_confirm,mAccount.getRoster().getContact(jid).getDisplayName())); + } else { + informNoKeys.setVisibility(View.GONE); + } + foreignKeys.addView(layout); + } + } + + ownKeysTitle.setText(mAccount.getJid().toBareJid().toString()); + ownKeysCard.setVisibility(hasOwnKeys ? View.VISIBLE : View.GONE); + foreignKeys.setVisibility(hasForeignKeys ? View.VISIBLE : View.GONE); + if(hasPendingKeyFetches()) { + setFetching(); + lock(); + } else { + if (!hasForeignKeys && hasNoOtherTrustedKeys()) { + keyErrorMessageCard.setVisibility(View.VISIBLE); + if (lastFetchReport == AxolotlService.FetchStatus.ERROR + || mAccount.getAxolotlService().fetchMapHasErrors(contactJids)) { + keyErrorMessage.setText(R.string.error_no_keys_to_trust_server_error); + } else { + keyErrorMessage.setText(R.string.error_no_keys_to_trust); + } + ownKeys.removeAllViews(); + ownKeysCard.setVisibility(View.GONE); + foreignKeys.removeAllViews(); + foreignKeys.setVisibility(View.GONE); + } + lockOrUnlockAsNeeded(); + setDone(); + } + } + + private boolean reloadFingerprints() { + List<Jid> acceptedTargets = mConversation == null ? new ArrayList<Jid>() : mConversation.getAcceptedCryptoTargets(); + ownKeysToTrust.clear(); + AxolotlService service = this.mAccount.getAxolotlService(); + Set<IdentityKey> ownKeysSet = service.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED); + for(final IdentityKey identityKey : ownKeysSet) { + if(!ownKeysToTrust.containsKey(identityKey)) { + ownKeysToTrust.put(identityKey.getFingerprint().replaceAll("\\s", ""), false); + } + } + synchronized (this.foreignKeysToTrust) { + foreignKeysToTrust.clear(); + for (Jid jid : contactJids) { + Set<IdentityKey> foreignKeysSet = service.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED, jid); + if (hasNoOtherTrustedKeys(jid) && ownKeysSet.size() == 0) { + foreignKeysSet.addAll(service.getKeysWithTrust(XmppAxolotlSession.Trust.UNTRUSTED, jid)); + } + Map<String, Boolean> foreignFingerprints = new HashMap<>(); + for (final IdentityKey identityKey : foreignKeysSet) { + if (!foreignFingerprints.containsKey(identityKey)) { + foreignFingerprints.put(identityKey.getFingerprint().replaceAll("\\s", ""), false); + } + } + if (foreignFingerprints.size() > 0 || !acceptedTargets.contains(jid)) { + foreignKeysToTrust.put(jid, foreignFingerprints); + } + } + } + return ownKeysSet.size() + foreignKeysToTrust.size() > 0; + } + + @Override + public void onBackendConnected() { + Intent intent = getIntent(); + this.mAccount = extractAccount(intent); + if (this.mAccount != null && intent != null) { + String uuid = intent.getStringExtra("conversation"); + this.mConversation = xmppConnectionService.findConversationByUuid(uuid); + reloadFingerprints(); + populateView(); + } + } + + private boolean hasNoOtherTrustedKeys() { + return mAccount == null || mAccount.getAxolotlService().anyTargetHasNoTrustedKeys(contactJids); + } + + private boolean hasNoOtherTrustedKeys(Jid contact) { + return mAccount == null || mAccount.getAxolotlService().getNumTrustedKeys(contact) == 0; + } + + private boolean hasPendingKeyFetches() { + return mAccount != null && mAccount.getAxolotlService().hasPendingKeyFetches(mAccount, contactJids); + } + + + @Override + public void onKeyStatusUpdated(final AxolotlService.FetchStatus report) { + if (report != null) { + lastFetchReport = report; + runOnUiThread(new Runnable() { + @Override + public void run() { + switch (report) { + case ERROR: + Toast.makeText(TrustKeysActivity.this,R.string.error_fetching_omemo_key,Toast.LENGTH_SHORT).show(); + break; + case SUCCESS_VERIFIED: + Toast.makeText(TrustKeysActivity.this,R.string.verified_omemo_key_with_certificate,Toast.LENGTH_LONG).show(); + break; + } + } + }); + + } + boolean keysToTrust = reloadFingerprints(); + if (keysToTrust || hasPendingKeyFetches() || hasNoOtherTrustedKeys()) { + refreshUi(); + } else { + runOnUiThread(new Runnable() { + @Override + public void run() { + finishOk(); + } + }); + + } + } + + private void finishOk() { + Intent data = new Intent(); + data.putExtra("choice", getIntent().getIntExtra("choice", ConversationActivity.ATTACHMENT_CHOICE_INVALID)); + setResult(RESULT_OK, data); + finish(); + } + + private void commitTrusts() { + for(final String fingerprint :ownKeysToTrust.keySet()) { + mAccount.getAxolotlService().setFingerprintTrust( + fingerprint, + XmppAxolotlSession.Trust.fromBoolean(ownKeysToTrust.get(fingerprint))); + } + List<Jid> acceptedTargets = mConversation == null ? new ArrayList<Jid>() : mConversation.getAcceptedCryptoTargets(); + synchronized (this.foreignKeysToTrust) { + for (Map.Entry<Jid, Map<String, Boolean>> entry : foreignKeysToTrust.entrySet()) { + Jid jid = entry.getKey(); + Map<String, Boolean> value = entry.getValue(); + if (!acceptedTargets.contains(jid)) { + acceptedTargets.add(jid); + } + for (final String fingerprint : value.keySet()) { + mAccount.getAxolotlService().setFingerprintTrust( + fingerprint, + XmppAxolotlSession.Trust.fromBoolean(value.get(fingerprint))); + } + } + } + if (mConversation != null && mConversation.getMode() == Conversation.MODE_MULTI) { + mConversation.setAcceptedCryptoTargets(acceptedTargets); + xmppConnectionService.updateConversation(mConversation); + } + } + + private void unlock() { + mSaveButton.setEnabled(true); + mSaveButton.setTextColor(getPrimaryTextColor()); + } + + private void lock() { + mSaveButton.setEnabled(false); + mSaveButton.setTextColor(getSecondaryTextColor()); + } + + private void lockOrUnlockAsNeeded() { + synchronized (this.foreignKeysToTrust) { + for (Jid jid : contactJids) { + Map<String, Boolean> fingerprints = foreignKeysToTrust.get(jid); + if (hasNoOtherTrustedKeys(jid) && (fingerprints == null || !fingerprints.values().contains(true))) { + lock(); + return; + } + } + } + unlock(); + + } + + private void setDone() { + mSaveButton.setText(getString(R.string.done)); + } + + private void setFetching() { + mSaveButton.setText(getString(R.string.fetching_keys)); + } +} |