diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java new file mode 100644 index 000000000..5630932b4 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java @@ -0,0 +1,560 @@ +package org.sufficientlysecure.keychain.ui.linked; + +import java.io.IOException; +import java.util.Collections; + +import android.content.Context; +import android.content.Intent; +import android.database.Cursor; +import android.graphics.PorterDuff; +import android.net.Uri; +import android.os.AsyncTask; +import android.os.Build; +import android.os.Bundle; +import android.os.Handler; +import android.os.Parcelable; +import android.support.annotation.Nullable; +import android.support.v4.app.FragmentManager; +import android.support.v4.app.FragmentManager.OnBackStackChangedListener; +import android.support.v4.app.LoaderManager; +import android.support.v4.content.CursorLoader; +import android.support.v4.content.Loader; +import android.view.LayoutInflater; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.ViewGroup; +import android.widget.ImageView; +import android.widget.TextSwitcher; +import android.widget.TextView; +import android.widget.ViewAnimator; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.Constants.key; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.operations.results.LinkedVerifyResult; +import org.sufficientlysecure.keychain.linked.LinkedTokenResource; +import org.sufficientlysecure.keychain.linked.LinkedAttribute; +import org.sufficientlysecure.keychain.linked.LinkedResource; +import org.sufficientlysecure.keychain.linked.UriAttribute; +import org.sufficientlysecure.keychain.operations.results.OperationResult; +import org.sufficientlysecure.keychain.provider.KeychainContract.Certs; +import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets; +import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables; +import org.sufficientlysecure.keychain.service.CertifyActionsParcel; +import org.sufficientlysecure.keychain.service.CertifyActionsParcel.CertifyAction; +import org.sufficientlysecure.keychain.ui.adapter.LinkedIdsAdapter; +import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter; +import org.sufficientlysecure.keychain.ui.base.CryptoOperationFragment; +import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment.ViewHolder.VerifyState; +import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; +import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State; +import org.sufficientlysecure.keychain.ui.util.Notify; +import org.sufficientlysecure.keychain.ui.util.Notify.Style; +import org.sufficientlysecure.keychain.ui.util.SubtleAttentionSeeker; +import org.sufficientlysecure.keychain.ui.widget.CertListWidget; +import org.sufficientlysecure.keychain.ui.widget.CertifyKeySpinner; +import org.sufficientlysecure.keychain.util.Log; + +public class LinkedIdViewFragment extends CryptoOperationFragment implements + LoaderManager.LoaderCallbacks<Cursor>, OnBackStackChangedListener { + + private static final String ARG_DATA_URI = "data_uri"; + private static final String ARG_LID_RANK = "rank"; + private static final String ARG_IS_SECRET = "verified"; + private static final String ARG_FINGERPRINT = "fingerprint"; + private static final int LOADER_ID_LINKED_ID = 1; + + private UriAttribute mLinkedId; + private LinkedTokenResource mLinkedResource; + private boolean mIsSecret; + + private Context mContext; + private byte[] mFingerprint; + + private AsyncTask mInProgress; + + private Uri mDataUri; + private ViewHolder mViewHolder; + private int mLidRank; + private OnIdentityLoadedListener mIdLoadedListener; + private long mCertifyKeyId; + + public static LinkedIdViewFragment newInstance(Uri dataUri, int rank, + boolean isSecret, byte[] fingerprint) throws IOException { + LinkedIdViewFragment frag = new LinkedIdViewFragment(); + + Bundle args = new Bundle(); + args.putParcelable(ARG_DATA_URI, dataUri); + args.putInt(ARG_LID_RANK, rank); + args.putBoolean(ARG_IS_SECRET, isSecret); + args.putByteArray(ARG_FINGERPRINT, fingerprint); + frag.setArguments(args); + + return frag; + } + + public LinkedIdViewFragment() { + // IMPORTANT: the id must be unique in the ViewKeyActivity CryptoOperationHelper id namespace! + // no initial progress message -> we handle progress ourselves! + super(5, null); + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + Bundle args = getArguments(); + mDataUri = args.getParcelable(ARG_DATA_URI); + mLidRank = args.getInt(ARG_LID_RANK); + + mIsSecret = args.getBoolean(ARG_IS_SECRET); + mFingerprint = args.getByteArray(ARG_FINGERPRINT); + + mContext = getActivity(); + + getLoaderManager().initLoader(LOADER_ID_LINKED_ID, null, this); + + } + + @Override + public Loader<Cursor> onCreateLoader(int id, Bundle args) { + switch (id) { + case LOADER_ID_LINKED_ID: + return new CursorLoader(getActivity(), mDataUri, + UserIdsAdapter.USER_PACKETS_PROJECTION, + Tables.USER_PACKETS + "." + UserPackets.RANK + + " = " + Integer.toString(mLidRank), null, null); + default: + return null; + } + } + + @Override + public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { + switch (loader.getId()) { + case LOADER_ID_LINKED_ID: + + // Nothing to load means break if we are *expected* to load + if (!cursor.moveToFirst()) { + if (mIdLoadedListener != null) { + Notify.create(getActivity(), "Error loading identity!", + Notify.LENGTH_LONG, Style.ERROR).show(); + finishFragment(); + } + // Or just ignore, this is probably some intermediate state during certify + break; + } + + try { + int certStatus = cursor.getInt(UserIdsAdapter.INDEX_VERIFIED); + + byte[] data = cursor.getBlob(UserIdsAdapter.INDEX_ATTRIBUTE_DATA); + UriAttribute linkedId = LinkedAttribute.fromAttributeData(data); + + loadIdentity(linkedId, certStatus); + + if (mIdLoadedListener != null) { + mIdLoadedListener.onIdentityLoaded(); + mIdLoadedListener = null; + } + + } catch (IOException e) { + Log.e(Constants.TAG, "error parsing identity", e); + Notify.create(getActivity(), "Error parsing identity!", + Notify.LENGTH_LONG, Style.ERROR).show(); + finishFragment(); + } + + break; + } + } + + public void finishFragment() { + new Handler().post(new Runnable() { + @Override + public void run() { + FragmentManager manager = getFragmentManager(); + manager.removeOnBackStackChangedListener(LinkedIdViewFragment.this); + manager.popBackStack("linked_id", FragmentManager.POP_BACK_STACK_INCLUSIVE); + } + }); + } + + public interface OnIdentityLoadedListener { + void onIdentityLoaded(); + } + + public void setOnIdentityLoadedListener(OnIdentityLoadedListener listener) { + mIdLoadedListener = listener; + } + + private void loadIdentity(UriAttribute linkedId, int certStatus) { + mLinkedId = linkedId; + + if (mLinkedId instanceof LinkedAttribute) { + LinkedResource res = ((LinkedAttribute) mLinkedId).mResource; + mLinkedResource = (LinkedTokenResource) res; + } + + if (!mIsSecret) { + switch (certStatus) { + case Certs.VERIFIED_SECRET: + KeyFormattingUtils.setStatusImage(mContext, mViewHolder.mLinkedIdHolder.vVerified, + null, State.VERIFIED, KeyFormattingUtils.DEFAULT_COLOR); + break; + case Certs.VERIFIED_SELF: + KeyFormattingUtils.setStatusImage(mContext, mViewHolder.mLinkedIdHolder.vVerified, + null, State.UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR); + break; + default: + KeyFormattingUtils.setStatusImage(mContext, mViewHolder.mLinkedIdHolder.vVerified, + null, State.INVALID, KeyFormattingUtils.DEFAULT_COLOR); + break; + } + } else { + mViewHolder.mLinkedIdHolder.vVerified.setImageResource(R.drawable.octo_link_24dp); + } + + mViewHolder.mLinkedIdHolder.setData(mContext, mLinkedId); + + setShowVerifying(false); + + // no resource, nothing further we can do… + if (mLinkedResource == null) { + mViewHolder.vButtonView.setVisibility(View.GONE); + mViewHolder.vButtonVerify.setVisibility(View.GONE); + return; + } + + if (mLinkedResource.isViewable()) { + mViewHolder.vButtonView.setVisibility(View.VISIBLE); + mViewHolder.vButtonView.setOnClickListener(new OnClickListener() { + @Override + public void onClick(View v) { + Intent intent = mLinkedResource.getViewIntent(); + if (intent == null) { + return; + } + getActivity().startActivity(intent); + } + }); + } else { + mViewHolder.vButtonView.setVisibility(View.GONE); + } + + } + + @Override + public void onLoaderReset(Loader<Cursor> loader) { + + } + + static class ViewHolder { + private final View vButtonView; + private final ViewAnimator vVerifyingContainer; + private final ViewAnimator vItemCertified; + private final View vKeySpinnerContainer; + LinkedIdsAdapter.ViewHolder mLinkedIdHolder; + + private ViewAnimator vButtonSwitcher; + private CertListWidget vLinkedCerts; + private CertifyKeySpinner vKeySpinner; + private final View vButtonVerify; + private final View vButtonRetry; + private final View vButtonConfirm; + + private final ViewAnimator vProgress; + private final TextSwitcher vText; + + ViewHolder(View root) { + vLinkedCerts = (CertListWidget) root.findViewById(R.id.linked_id_certs); + vKeySpinner = (CertifyKeySpinner) root.findViewById(R.id.cert_key_spinner); + vKeySpinnerContainer = root.findViewById(R.id.cert_key_spincontainer); + vButtonSwitcher = (ViewAnimator) root.findViewById(R.id.button_animator); + + mLinkedIdHolder = new LinkedIdsAdapter.ViewHolder(root); + + vButtonVerify = root.findViewById(R.id.button_verify); + vButtonRetry = root.findViewById(R.id.button_retry); + vButtonConfirm = root.findViewById(R.id.button_confirm); + vButtonView = root.findViewById(R.id.button_view); + + vVerifyingContainer = (ViewAnimator) root.findViewById(R.id.linked_verify_container); + vItemCertified = (ViewAnimator) root.findViewById(R.id.linked_id_certified); + + vProgress = (ViewAnimator) root.findViewById(R.id.linked_cert_progress); + vText = (TextSwitcher) root.findViewById(R.id.linked_cert_text); + } + + enum VerifyState { + VERIFYING, VERIFY_OK, VERIFY_ERROR, CERTIFYING + } + + void setVerifyingState(Context context, VerifyState state, boolean isSecret) { + switch (state) { + case VERIFYING: + vProgress.setDisplayedChild(0); + vText.setText(context.getString(R.string.linked_text_verifying)); + vKeySpinnerContainer.setVisibility(View.GONE); + break; + + case VERIFY_OK: + vProgress.setDisplayedChild(1); + if (!isSecret) { + showButton(2); + if (!vKeySpinner.isSingleEntry()) { + vKeySpinnerContainer.setVisibility(View.VISIBLE); + } + } else { + showButton(1); + vKeySpinnerContainer.setVisibility(View.GONE); + } + break; + + case VERIFY_ERROR: + showButton(1); + vProgress.setDisplayedChild(2); + vText.setText(context.getString(R.string.linked_text_error)); + vKeySpinnerContainer.setVisibility(View.GONE); + break; + + case CERTIFYING: + vProgress.setDisplayedChild(0); + vText.setText(context.getString(R.string.linked_text_confirming)); + vKeySpinnerContainer.setVisibility(View.GONE); + break; + } + } + + void showVerifyingContainer(Context context, boolean show, boolean isSecret) { + if (vVerifyingContainer.getDisplayedChild() == (show ? 1 : 0)) { + return; + } + + vVerifyingContainer.setInAnimation(context, show ? R.anim.fade_in_up : R.anim.fade_in_down); + vVerifyingContainer.setOutAnimation(context, show ? R.anim.fade_out_up : R.anim.fade_out_down); + vVerifyingContainer.setDisplayedChild(show ? 1 : 0); + + vItemCertified.setInAnimation(context, show ? R.anim.fade_in_up : R.anim.fade_in_down); + vItemCertified.setOutAnimation(context, show ? R.anim.fade_out_up : R.anim.fade_out_down); + vItemCertified.setDisplayedChild(show || isSecret ? 1 : 0); + } + + void showButton(int which) { + if (vButtonSwitcher.getDisplayedChild() == which) { + return; + } + vButtonSwitcher.setDisplayedChild(which); + } + + } + + private boolean mVerificationState = false; + /** Switches between the 'verifying' ui bit and certificate status. This method + * must behave correctly in all states, showing or hiding the appropriate views + * and cancelling pending operations where necessary. + * + * This method also handles back button functionality in combination with + * onBackStateChanged. + */ + void setShowVerifying(boolean show) { + if (!show) { + if (mInProgress != null) { + mInProgress.cancel(false); + mInProgress = null; + } + getFragmentManager().removeOnBackStackChangedListener(this); + new Handler().post(new Runnable() { + @Override + public void run() { + getFragmentManager().popBackStack("verification", + FragmentManager.POP_BACK_STACK_INCLUSIVE); + } + }); + + if (!mVerificationState) { + return; + } + mVerificationState = false; + + mViewHolder.showButton(0); + mViewHolder.vKeySpinnerContainer.setVisibility(View.GONE); + mViewHolder.showVerifyingContainer(mContext, false, mIsSecret); + return; + } + + if (mVerificationState) { + return; + } + mVerificationState = true; + + FragmentManager manager = getFragmentManager(); + manager.beginTransaction().addToBackStack("verification").commit(); + manager.executePendingTransactions(); + manager.addOnBackStackChangedListener(this); + mViewHolder.showVerifyingContainer(mContext, true, mIsSecret); + + } + + @Override + public void onBackStackChanged() { + setShowVerifying(false); + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) { + View root = inflater.inflate(R.layout.linked_id_view_fragment, null); + + mViewHolder = new ViewHolder(root); + root.setTag(mViewHolder); + + ((ImageView) root.findViewById(R.id.status_icon_verified)) + .setColorFilter(mContext.getResources().getColor(R.color.android_green_light), + PorterDuff.Mode.SRC_IN); + ((ImageView) root.findViewById(R.id.status_icon_invalid)) + .setColorFilter(mContext.getResources().getColor(R.color.android_red_light), + PorterDuff.Mode.SRC_IN); + + mViewHolder.vButtonVerify.setOnClickListener(new OnClickListener() { + @Override + public void onClick(View v) { + verifyResource(); + } + }); + mViewHolder.vButtonRetry.setOnClickListener(new OnClickListener() { + @Override + public void onClick(View v) { + verifyResource(); + } + }); + mViewHolder.vButtonConfirm.setOnClickListener(new OnClickListener() { + @Override + public void onClick(View v) { + initiateCertifying(); + } + }); + + { + Bundle args = new Bundle(); + args.putParcelable(CertListWidget.ARG_URI, Certs.buildLinkedIdCertsUri(mDataUri, mLidRank)); + args.putBoolean(CertListWidget.ARG_IS_SECRET, mIsSecret); + getLoaderManager().initLoader(CertListWidget.LOADER_ID_LINKED_CERTS, + args, mViewHolder.vLinkedCerts); + } + + return root; + } + + void verifyResource() { + + // only one at a time (no sync needed, mInProgress is only touched in ui thread) + if (mInProgress != null) { + return; + } + + setShowVerifying(true); + + mViewHolder.vKeySpinnerContainer.setVisibility(View.GONE); + mViewHolder.setVerifyingState(mContext, VerifyState.VERIFYING, mIsSecret); + + mInProgress = new AsyncTask<Void,Void,LinkedVerifyResult>() { + @Override + protected LinkedVerifyResult doInBackground(Void... params) { + long timer = System.currentTimeMillis(); + LinkedVerifyResult result = mLinkedResource.verify(getActivity(), mFingerprint); + + // ux flow: this operation should take at last a second + timer = System.currentTimeMillis() -timer; + if (timer < 1000) try { + Thread.sleep(1000 -timer); + } catch (InterruptedException e) { + // never mind + } + + return result; + } + + @Override + protected void onPostExecute(LinkedVerifyResult result) { + if (isCancelled()) { + return; + } + if (result.success()) { + mViewHolder.vText.setText(getString(mLinkedResource.getVerifiedText(mIsSecret))); + // hack to preserve bold text + ((TextView) mViewHolder.vText.getCurrentView()).setText( + mLinkedResource.getVerifiedText(mIsSecret)); + mViewHolder.setVerifyingState(mContext, VerifyState.VERIFY_OK, mIsSecret); + mViewHolder.mLinkedIdHolder.seekAttention(); + } else { + mViewHolder.setVerifyingState(mContext, VerifyState.VERIFY_ERROR, mIsSecret); + result.createNotify(getActivity()).show(); + } + mInProgress = null; + } + }.execute(); + + } + + private void initiateCertifying() { + + if (mIsSecret) { + return; + } + + // get the user's passphrase for this key (if required) + mCertifyKeyId = mViewHolder.vKeySpinner.getSelectedKeyId(); + if (mCertifyKeyId == key.none || mCertifyKeyId == key.symmetric) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { + SubtleAttentionSeeker.tintBackground(mViewHolder.vKeySpinnerContainer, 600).start(); + } else { + Notify.create(getActivity(), R.string.select_key_to_certify, Style.ERROR).show(); + } + return; + } + + mViewHolder.setVerifyingState(mContext, VerifyState.CERTIFYING, false); + cryptoOperation(); + + } + + @Override + public void onCryptoOperationCancelled() { + super.onCryptoOperationCancelled(); + + // go back to 'verified ok' + setShowVerifying(false); + + } + + @Nullable + @Override + public Parcelable createOperationInput() { + long masterKeyId = KeyFormattingUtils.convertFingerprintToKeyId(mFingerprint); + CertifyAction action = new CertifyAction(masterKeyId, null, + Collections.singletonList(mLinkedId.toUserAttribute())); + + // fill values for this action + CertifyActionsParcel parcel = new CertifyActionsParcel(mCertifyKeyId); + parcel.mCertifyActions.addAll(Collections.singletonList(action)); + + return parcel; + } + + @Override + public void onCryptoOperationSuccess(OperationResult result) { + result.createNotify(getActivity()).show(); + // no need to do anything else, we will get a loader refresh! + } + + @Override + public void onCryptoOperationError(OperationResult result) { + result.createNotify(getActivity()).show(); + } + + @Override + public boolean onCryptoSetProgress(String msg, int progress, int max) { + return true; + } + +} |