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/*
* Copyright (C) 2009 The Android Open Source Project
*
* 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 android.accounts;
import android.app.Activity;
import android.app.ActivityManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Process;
import android.os.RemoteException;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.internal.R;
import java.io.IOException;
/**
* @hide
*/
public class GrantCredentialsPermissionActivity extends Activity implements View.OnClickListener {
public static final String EXTRAS_ACCOUNT = "account";
public static final String EXTRAS_AUTH_TOKEN_TYPE = "authTokenType";
public static final String EXTRAS_RESPONSE = "response";
public static final String EXTRAS_REQUESTING_UID = "uid";
private Account mAccount;
private String mAuthTokenType;
private int mUid;
private int mCallingUid;
private Bundle mResultBundle = null;
protected LayoutInflater mInflater;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.grant_credentials_permission);
setTitle(R.string.grant_permissions_header_text);
mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
final Bundle extras = getIntent().getExtras();
if (extras == null) {
// we were somehow started with bad parameters. abort the activity.
setResult(Activity.RESULT_CANCELED);
finish();
return;
}
// Grant 'account'/'type' to mUID
mAccount = extras.getParcelable(EXTRAS_ACCOUNT);
mAuthTokenType = extras.getString(EXTRAS_AUTH_TOKEN_TYPE);
mUid = extras.getInt(EXTRAS_REQUESTING_UID);
final PackageManager pm = getPackageManager();
final String[] packages = pm.getPackagesForUid(mUid);
if (mAccount == null || mAuthTokenType == null || packages == null) {
// we were somehow started with bad parameters. abort the activity.
setResult(Activity.RESULT_CANCELED);
finish();
return;
}
try {
IBinder activityToken = getActivityToken();
mCallingUid = ActivityManager.getService().getLaunchedFromUid(activityToken);
} catch (RemoteException re) {
// Couldn't figure out caller details
Log.w(getClass().getSimpleName(), "Unable to get caller identity \n" + re);
}
if (!UserHandle.isSameApp(mCallingUid, Process.SYSTEM_UID) && mCallingUid != mUid) {
setResult(Activity.RESULT_CANCELED);
finish();
return;
}
String accountTypeLabel;
try {
accountTypeLabel = getAccountLabel(mAccount);
} catch (IllegalArgumentException e) {
// label or resource was missing. abort the activity.
setResult(Activity.RESULT_CANCELED);
finish();
return;
}
final TextView authTokenTypeView = findViewById(R.id.authtoken_type);
authTokenTypeView.setVisibility(View.GONE);
final AccountManagerCallback<String> callback = new AccountManagerCallback<String>() {
public void run(AccountManagerFuture<String> future) {
try {
final String authTokenLabel = future.getResult();
if (!TextUtils.isEmpty(authTokenLabel)) {
runOnUiThread(new Runnable() {
public void run() {
if (!isFinishing()) {
authTokenTypeView.setText(authTokenLabel);
authTokenTypeView.setVisibility(View.VISIBLE);
}
}
});
}
} catch (OperationCanceledException e) {
} catch (IOException e) {
} catch (AuthenticatorException e) {
}
}
};
if (!AccountManager.ACCOUNT_ACCESS_TOKEN_TYPE.equals(mAuthTokenType)) {
AccountManager.get(this).getAuthTokenLabel(mAccount.type,
mAuthTokenType, callback, null);
}
findViewById(R.id.allow_button).setOnClickListener(this);
findViewById(R.id.deny_button).setOnClickListener(this);
LinearLayout packagesListView = findViewById(R.id.packages_list);
for (String pkg : packages) {
String packageLabel;
try {
packageLabel = pm.getApplicationLabel(pm.getApplicationInfo(pkg, 0)).toString();
} catch (PackageManager.NameNotFoundException e) {
packageLabel = pkg;
}
packagesListView.addView(newPackageView(packageLabel));
}
((TextView) findViewById(R.id.account_name)).setText(mAccount.name);
((TextView) findViewById(R.id.account_type)).setText(accountTypeLabel);
}
private String getAccountLabel(Account account) {
final AuthenticatorDescription[] authenticatorTypes =
AccountManager.get(this).getAuthenticatorTypes();
for (int i = 0, N = authenticatorTypes.length; i < N; i++) {
final AuthenticatorDescription desc = authenticatorTypes[i];
if (desc.type.equals(account.type)) {
try {
return createPackageContext(desc.packageName, 0).getString(desc.labelId);
} catch (PackageManager.NameNotFoundException e) {
return account.type;
} catch (Resources.NotFoundException e) {
return account.type;
}
}
}
return account.type;
}
private View newPackageView(String packageLabel) {
View view = mInflater.inflate(R.layout.permissions_package_list_item, null);
((TextView) view.findViewById(R.id.package_label)).setText(packageLabel);
return view;
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.allow_button:
AccountManager.get(this).updateAppPermission(mAccount, mAuthTokenType, mUid, true);
Intent result = new Intent();
result.putExtra("retry", true);
setResult(RESULT_OK, result);
setAccountAuthenticatorResult(result.getExtras());
break;
case R.id.deny_button:
AccountManager.get(this).updateAppPermission(mAccount, mAuthTokenType, mUid, false);
setResult(RESULT_CANCELED);
break;
}
finish();
}
public final void setAccountAuthenticatorResult(Bundle result) {
mResultBundle = result;
}
/**
* Sends the result or a {@link AccountManager#ERROR_CODE_CANCELED} error if a
* result isn't present.
*/
public void finish() {
Intent intent = getIntent();
AccountAuthenticatorResponse response = intent.getParcelableExtra(EXTRAS_RESPONSE);
if (response != null) {
// send the result bundle back if set, otherwise send an error.
if (mResultBundle != null) {
response.onResult(mResultBundle);
} else {
response.onError(AccountManager.ERROR_CODE_CANCELED, "canceled");
}
}
super.finish();
}
}
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