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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at http://mozilla.org/MPL/2.0/.
*/
// This should be in util/, but is here because of build dependency issues.
package org.mozilla.gecko.mozglue;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import java.util.ArrayList;
/**
* External applications can pass values into Intents that can cause us to crash: in defense,
* we wrap {@link Intent} and catch the exceptions they may force us to throw. See bug 1090385
* for more.
*/
public class SafeIntent {
private static final String LOGTAG = "Gecko" + SafeIntent.class.getSimpleName();
private final Intent intent;
public SafeIntent(final Intent intent) {
this.intent = intent;
}
public boolean hasExtra(String name) {
try {
return intent.hasExtra(name);
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't determine if intent had an extra: OOM. Malformed?");
return false;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't determine if intent had an extra.", e);
return false;
}
}
public boolean getBooleanExtra(final String name, final boolean defaultValue) {
try {
return intent.getBooleanExtra(name, defaultValue);
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't get intent extras: OOM. Malformed?");
return defaultValue;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't get intent extras.", e);
return defaultValue;
}
}
public int getIntExtra(final String name, final int defaultValue) {
try {
return intent.getIntExtra(name, defaultValue);
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't get intent extras: OOM. Malformed?");
return defaultValue;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't get intent extras.", e);
return defaultValue;
}
}
public String getStringExtra(final String name) {
try {
return intent.getStringExtra(name);
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't get intent extras: OOM. Malformed?");
return null;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't get intent extras.", e);
return null;
}
}
public Bundle getBundleExtra(final String name) {
try {
return intent.getBundleExtra(name);
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't get intent extras: OOM. Malformed?");
return null;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't get intent extras.", e);
return null;
}
}
public String getAction() {
return intent.getAction();
}
public String getDataString() {
try {
return intent.getDataString();
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't get intent data string: OOM. Malformed?");
return null;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't get intent data string.", e);
return null;
}
}
public ArrayList<String> getStringArrayListExtra(final String name) {
try {
return intent.getStringArrayListExtra(name);
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't get intent data string: OOM. Malformed?");
return null;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't get intent data string.", e);
return null;
}
}
public Uri getData() {
try {
return intent.getData();
} catch (OutOfMemoryError e) {
Log.w(LOGTAG, "Couldn't get intent data: OOM. Malformed?");
return null;
} catch (RuntimeException e) {
Log.w(LOGTAG, "Couldn't get intent data.", e);
return null;
}
}
public Intent getUnsafe() {
return intent;
}
}
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