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bug 866957 - Collect and report WiFi AP info r=hannos,snorp

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This commit is contained in:
Brad Lassey 2013-06-04 11:09:54 -04:00
parent 95ad53b9f6
commit b8e52632df
2 changed files with 69 additions and 4 deletions
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2
mobile/android/base/AndroidManifest.xml.in
View File

@ -15,6 +15,8 @@
#include ../services/manifests/AnnouncementsAndroidManifest_permissions.xml.in
#include ../services/manifests/SyncAndroidManifest_permissions.xml.in
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.INTERNET"/>

71
mobile/android/base/GeckoApp.java
View File

@ -49,7 +49,9 @@ import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.location.Location;
import android.location.LocationListener;
import android.net.wifi.ScanResult;
import android.net.Uri;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
@ -101,13 +103,18 @@ import java.io.InputStreamReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
@ -2258,8 +2265,37 @@ abstract public class GeckoApp
return tm.getPhoneType();
}
// copied from http://code.google.com/p/sensor-data-collection-library/source/browse/src/main/java/TextFileSensorLog.java#223,
// which is apache licensed
private static final Set<Character> AD_HOC_HEX_VALUES =
new HashSet<Character>(Arrays.asList('2','6', 'a', 'e', 'A', 'E'));
private static final String OPTOUT_SSID_SUFFIX = "_nomap";
private static boolean shouldLog(final ScanResult sr) {
// We filter out any ad-hoc devices. Ad-hoc devices are identified by having a
// 2,6,a or e in the second nybble.
// See http://en.wikipedia.org/wiki/MAC_address -- ad hoc networks
// have the last two bits of the second nybble set to 10.
// Only apply this test if we have exactly 17 character long BSSID which should
// be the case.
final char secondNybble = sr.BSSID.length() == 17 ? sr.BSSID.charAt(1) : ' ';
if(AD_HOC_HEX_VALUES.contains(secondNybble)) {
return false;
} else if (sr.SSID != null && sr.SSID.endsWith(OPTOUT_SSID_SUFFIX)) {
return false;
} else {
return true;
}
}
private void collectAndReportLocInfo(Location location) {
final JSONObject locInfo = new JSONObject();
WifiManager wm = (WifiManager)getSystemService(Context.WIFI_SERVICE);
wm.startScan();
try {
JSONArray cellInfo = new JSONArray();
int radioType = getCellInfo(cellInfo);
@ -2274,8 +2310,35 @@ abstract public class GeckoApp
DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm'Z'");
locInfo.put("time", df.format(new Date(location.getTime())));
locInfo.put("cell", cellInfo);
} catch(JSONException jsonex) {}
MessageDigest digest = MessageDigest.getInstance("SHA-1");
JSONArray wifiInfo = new JSONArray();
List<ScanResult> aps = wm.getScanResults();
for (ScanResult ap : aps) {
if (!shouldLog(ap))
continue;
StringBuilder sb = new StringBuilder();
try {
byte[] result = digest.digest((ap.BSSID + ap.SSID).getBytes("UTF-8"));
for (byte b : result) sb.append(String.format("%02X", b));
JSONObject obj = new JSONObject();
obj.put("key", sb.toString());
obj.put("frequency", ap.frequency);
obj.put("signal", ap.level);
wifiInfo.put(obj);
} catch (UnsupportedEncodingException uee) {
Log.w(LOGTAG, "can't encode the key", uee);
}
}
locInfo.put("wifi", wifiInfo);
} catch (JSONException jsonex) {
Log.w(LOGTAG, "json exception", jsonex);
} catch (NoSuchAlgorithmException nsae) {
Log.w(LOGTAG, "can't creat a SHA1", nsae);
}
ThreadUtils.postToBackgroundThread(new Runnable() {
public void run() {
try {
@ -2293,14 +2356,14 @@ abstract public class GeckoApp
out.write(bytes);
out.flush();
} catch (JSONException jsonex) {
Log.e("GeckoCell", "error wrapping data as a batch", jsonex);
Log.e(LOGTAG, "error wrapping data as a batch", jsonex);
} catch (IOException ioex) {
Log.e("GeckoCell", "error submitting data", ioex);
Log.e(LOGTAG, "error submitting data", ioex);
} finally {
urlConnection.disconnect();
}
} catch (IOException ioex) {
Log.e("GeckoCell", "error submitting data", ioex);
Log.e(LOGTAG, "error submitting data", ioex);
}
}
});