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Added restrictions for UsageStatsManager
Refs #1757
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package biz.bokhorst.xprivacy; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
|
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| import android.app.usage.ConfigurationStats; | ||
| import android.app.usage.UsageStats; | ||
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| import biz.bokhorst.xprivacy.XHook; | ||
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| public class XUsageStatsManager extends XHook { | ||
| private Methods mMethod; | ||
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| private XUsageStatsManager(Methods method, String restrictionName) { | ||
| super(restrictionName, method.name(), null); | ||
| mMethod = method; | ||
| } | ||
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| public String getClassName() { | ||
| if (mMethod.name().startsWith("Srv_")) | ||
| return "com.android.server.usage.UserUsageStatsService"; | ||
| else | ||
| return "android.app.usage.UsageStatsManager"; | ||
| } | ||
|
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| // @formatter:off | ||
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| // public Map<String, UsageStats> queryAndAggregateUsageStats(long beginTime, long endTime) | ||
| // public List<ConfigurationStats> queryConfigurations(int intervalType, long beginTime, long endTime) | ||
| // public UsageEvents queryEvents(long beginTime, long endTime) | ||
| // public List<UsageStats> queryUsageStats(int intervalType, long beginTime, long endTime) | ||
| // https://developer.android.com/reference/android/app/usage/UsageStatsManager.html | ||
|
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| // List<ConfigurationStats> queryConfigurationStats(int userId, int bucketType, long beginTime, long endTime) | ||
| // UsageEvents queryEvents(int userId, long beginTime, long endTime) | ||
| // List<UsageStats> queryUsageStats(int userId, int bucketType, long beginTime, long endTime) | ||
| // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/5.0.0_r1/com/android/server/usage/UsageStatsService.java | ||
|
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| private enum Methods { | ||
| queryAndAggregateUsageStats, queryConfigurations, queryEvents, queryUsageStats, | ||
| Srv_queryConfigurationStats, Srv_queryEvents, Srv_queryUsageStats | ||
| }; | ||
|
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| // @formatter:on | ||
|
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| public static List<XHook> getInstances() { | ||
| List<XHook> listHook = new ArrayList<XHook>(); | ||
| listHook.add(new XUsageStatsManager(Methods.queryAndAggregateUsageStats, PrivacyManager.cSystem)); | ||
| listHook.add(new XUsageStatsManager(Methods.queryConfigurations, PrivacyManager.cSystem)); | ||
| listHook.add(new XUsageStatsManager(Methods.queryEvents, PrivacyManager.cSystem)); | ||
| listHook.add(new XUsageStatsManager(Methods.queryUsageStats, PrivacyManager.cSystem)); | ||
|
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| listHook.add(new XUsageStatsManager(Methods.Srv_queryConfigurationStats, PrivacyManager.cSystem)); | ||
| listHook.add(new XUsageStatsManager(Methods.Srv_queryEvents, PrivacyManager.cSystem)); | ||
| listHook.add(new XUsageStatsManager(Methods.Srv_queryUsageStats, PrivacyManager.cSystem)); | ||
| return listHook; | ||
| } | ||
|
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| @Override | ||
| protected void before(XParam param) throws Throwable { | ||
| switch (mMethod) { | ||
| case queryAndAggregateUsageStats: | ||
| case queryConfigurations: | ||
| case queryUsageStats: | ||
| case Srv_queryConfigurationStats: | ||
| case Srv_queryUsageStats: | ||
| // Do nothing | ||
| break; | ||
| case queryEvents: | ||
| if (isRestricted(param)) | ||
| if (param.args.length > 1) { | ||
| param.args[0] = 0; | ||
| param.args[1] = 0; | ||
| } | ||
| break; | ||
|
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| case Srv_queryEvents: | ||
| if (isRestricted(param)) | ||
| if (param.args.length > 2) { | ||
| param.args[1] = 0; | ||
| param.args[2] = 0; | ||
| } | ||
| break; | ||
| } | ||
| } | ||
|
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| @Override | ||
| protected void after(XParam param) throws Throwable { | ||
| switch (mMethod) { | ||
| case queryAndAggregateUsageStats: | ||
| if (isRestricted(param)) | ||
| param.setResult(new HashMap<String, UsageStats>()); | ||
| break; | ||
| case queryConfigurations: | ||
| case Srv_queryConfigurationStats: | ||
| if (isRestricted(param)) | ||
| param.setResult(new ArrayList<ConfigurationStats>()); | ||
| break; | ||
| case queryEvents: | ||
| case Srv_queryEvents: | ||
| // Do nothing | ||
| break; | ||
| case queryUsageStats: | ||
| case Srv_queryUsageStats: | ||
| if (isRestricted(param)) | ||
| param.setResult(new ArrayList<UsageStats>()); | ||
| break; | ||
| } | ||
| } | ||
| } |