mozilla
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gecko-dev
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Bug 1356693 - infer: fix RESOURCE_LEAK's in base r=walkingice 

MozReview-Commit-ID: Gm9GqOk37UZ

--HG--
extra : rebase_source : 762eac583f5d017aa0ccfa96a669d72c57f6f5bd
This commit is contained in:
Andrzej Hunt 2017-04-19 08:26:38 -07:00
Родитель 5108247dc0
Коммит 9614743c8f
5 изменённых файлов: 62 добавлений и 28 удалений
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7
mobile/android/base/java/org/mozilla/gecko/ANRReporter.java
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@ -22,6 +22,7 @@ import java.util.regex.Pattern;
import org.json.JSONObject;
import org.mozilla.gecko.annotation.WrapForJNI;
import org.mozilla.gecko.AppConstants.Versions;
import org.mozilla.gecko.util.IOUtils;
import org.mozilla.gecko.util.StringUtils;
import org.mozilla.gecko.util.ThreadUtils;
@ -154,8 +155,10 @@ public final class ANRReporter extends BroadcastReceiver
.command("/system/bin/getprop", "dalvik.vm.stack-trace-file")
.redirectErrorStream(true)
.start();
BufferedReader buf = null;
try {
BufferedReader buf = new BufferedReader(
buf = new BufferedReader(
new InputStreamReader(
propProc.getInputStream(), StringUtils.UTF_8), TRACES_LINE_SIZE);
String propVal = buf.readLine();
@ -176,6 +179,8 @@ public final class ANRReporter extends BroadcastReceiver
}
} finally {
propProc.destroy();
IOUtils.safeStreamClose(buf);
}
} catch (IOException e) {
Log.w(LOGTAG, e);

16
mobile/android/base/java/org/mozilla/gecko/db/SuggestedSites.java
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@ -41,7 +41,9 @@ import org.mozilla.gecko.Locales;
import org.mozilla.gecko.R;
import org.mozilla.gecko.distribution.Distribution;
import org.mozilla.gecko.restrictions.Restrictions;
import org.mozilla.gecko.util.IOUtils;
import org.mozilla.gecko.util.RawResource;
import org.mozilla.gecko.util.StringUtils;
import org.mozilla.gecko.util.ThreadUtils;
import org.mozilla.gecko.preferences.GeckoPreferences;
@ -268,7 +270,7 @@ public class SuggestedSites {
return;
}
OutputStreamWriter osw = null;
OutputStreamWriter outputStreamWriter = null;
try {
final JSONArray jsonSites = new JSONArray();
@ -276,20 +278,14 @@ public class SuggestedSites {
jsonSites.put(site.toJSON());
}
osw = new OutputStreamWriter(new FileOutputStream(f), "UTF-8");
outputStreamWriter = new OutputStreamWriter(new FileOutputStream(f), StringUtils.UTF_8);
final String jsonString = jsonSites.toString();
osw.write(jsonString, 0, jsonString.length());
outputStreamWriter.write(jsonString, 0, jsonString.length());
} catch (Exception e) {
Log.e(LOGTAG, "Failed to save suggested sites", e);
} finally {
if (osw != null) {
try {
osw.close();
} catch (IOException e) {
// Ignore.
}
}
IOUtils.safeStreamClose(outputStreamWriter);
}
}

11
mobile/android/base/java/org/mozilla/gecko/distribution/Distribution.java
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@ -649,7 +649,16 @@ public class Distribution {
return null;
}
return new JarInputStream(new BufferedInputStream(connection.getInputStream()), true);
final BufferedInputStream bufferedInputStream = new BufferedInputStream(connection.getInputStream());
try {
return new JarInputStream(bufferedInputStream, true);
} catch (IOException e) {
// Thrown e.g. if JarInputStream can't parse the input as a valid Zip.
// In that case we need to ensure the bufferedInputStream gets closed since it won't
// be used anywhere (while still passing the Exception up the stack).
bufferedInputStream.close();
throw e;
}
}
private static void recordFetchTelemetry(final Exception exception) {

20
mobile/android/base/java/org/mozilla/gecko/switchboard/SwitchBoard.java
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@ -34,6 +34,7 @@ import org.json.JSONObject;
import org.json.JSONArray;
import org.mozilla.gecko.AppConstants;
import org.mozilla.gecko.util.HardwareUtils;
import org.mozilla.gecko.util.IOUtils;
import org.mozilla.gecko.util.ProxySelector;
import android.content.Context;
@ -378,27 +379,36 @@ public class SwitchBoard {
* @return Returns String from server or null when failed.
*/
@Nullable private static String readFromUrlGET(URL url) {
HttpURLConnection connection = null;
InputStreamReader inputStreamReader = null;
BufferedReader bufferReader = null;
try {
HttpURLConnection connection = (HttpURLConnection) ProxySelector.openConnectionWithProxy(url.toURI());
connection = (HttpURLConnection) ProxySelector.openConnectionWithProxy(url.toURI());
connection.setRequestProperty("User-Agent", HardwareUtils.isTablet() ?
AppConstants.USER_AGENT_FENNEC_TABLET :
AppConstants.USER_AGENT_FENNEC_MOBILE);
connection.setRequestMethod("GET");
connection.setUseCaches(false);
InputStream is = connection.getInputStream();
InputStreamReader inputStreamReader = new InputStreamReader(is);
BufferedReader bufferReader = new BufferedReader(inputStreamReader, 8192);
// BufferedReader(Reader, int) can throw, hence we need to keep a separate reference
// to the InputStreamReader in order to always be able to close it:
inputStreamReader = new InputStreamReader(connection.getInputStream());
bufferReader = new BufferedReader(inputStreamReader, 8192);
String line;
StringBuilder resultContent = new StringBuilder();
while ((line = bufferReader.readLine()) != null) {
resultContent.append(line);
}
bufferReader.close();
return resultContent.toString();
} catch (IOException | URISyntaxException e) {
e.printStackTrace();
} finally {
IOUtils.safeStreamClose(bufferReader);
IOUtils.safeStreamClose(inputStreamReader);
if (connection != null) {
connection.disconnect();
}
}
return null;

36
mobile/android/base/java/org/mozilla/gecko/updater/UpdateService.java
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@ -12,6 +12,7 @@ import org.mozilla.gecko.R;
import org.mozilla.apache.commons.codec.binary.Hex;
import org.mozilla.gecko.permissions.Permissions;
import org.mozilla.gecko.util.IOUtils;
import org.mozilla.gecko.util.ProxySelector;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
@ -48,6 +49,7 @@ import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
@ -373,6 +375,7 @@ public class UpdateService extends IntentService {
}
private UpdateInfo findUpdate(boolean force) {
URLConnection conn = null;
try {
URI uri = getUpdateURI(force);
@ -382,7 +385,8 @@ public class UpdateService extends IntentService {
}
DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
Document dom = builder.parse(ProxySelector.openConnectionWithProxy(uri).getInputStream());
conn = ProxySelector.openConnectionWithProxy(uri);
Document dom = builder.parse(conn.getInputStream());
NodeList nodes = dom.getElementsByTagName("update");
if (nodes == null || nodes.getLength() == 0)
@ -432,6 +436,14 @@ public class UpdateService extends IntentService {
} catch (Exception e) {
Log.e(LOGTAG, "failed to check for update: ", e);
return null;
} finally {
// conn isn't guaranteed to be an HttpURLConnection, hence we don't want to cast earlier
// in this method. However in our current implementation it usually is, so we need to
// make sure we close it in that case:
final HttpURLConnection httpConn = (HttpURLConnection) conn;
if (httpConn != null) {
httpConn.disconnect();
}
}
}
@ -551,6 +563,7 @@ public class UpdateService extends IntentService {
OutputStream output = null;
InputStream input = null;
URLConnection conn = null;
mDownloading = true;
mCancelDownload = false;
@ -563,7 +576,7 @@ public class UpdateService extends IntentService {
mWifiLock.acquire();
}
URLConnection conn = ProxySelector.openConnectionWithProxy(info.uri);
conn = ProxySelector.openConnectionWithProxy(info.uri);
int length = conn.getContentLength();
output = new BufferedOutputStream(new FileOutputStream(downloadFile));
@ -606,21 +619,22 @@ public class UpdateService extends IntentService {
Log.e(LOGTAG, "failed to download update: ", e);
return null;
} finally {
try {
if (input != null)
input.close();
} catch (java.io.IOException e) { }
try {
if (output != null)
output.close();
} catch (java.io.IOException e) { }
IOUtils.safeStreamClose(input);
IOUtils.safeStreamClose(output);
mDownloading = false;
if (mWifiLock.isHeld()) {
mWifiLock.release();
}
// conn isn't guaranteed to be an HttpURLConnection, hence we don't want to cast earlier
// in this method. However in our current implementation it usually is, so we need to
// make sure we close it in that case:
final HttpURLConnection httpConn = (HttpURLConnection) conn;
if (httpConn != null) {
httpConn.disconnect();
}
}
}