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133 changes: 133 additions & 0 deletions
133
app/src/common/shared/org/mozilla/vrbrowser/browser/tracking/TrackingProtectionPolicy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| package org.mozilla.vrbrowser.browser.tracking; | ||
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| import androidx.annotation.IntDef; | ||
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| import org.mozilla.geckoview.ContentBlocking; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
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| public class TrackingProtectionPolicy { | ||
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| @IntDef(value = { ETP_NONE, ETP_DEFAULT, ETP_STRICT}) | ||
| public @interface ETP_Level {} | ||
| public static final int ETP_NONE = ContentBlocking.EtpLevel.NONE; | ||
| public static final int ETP_DEFAULT = ContentBlocking.EtpLevel.DEFAULT; | ||
| public static final int ETP_STRICT = ContentBlocking.EtpLevel.STRICT; | ||
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| private List<TrackingCategory> trackingCategory; | ||
| private CookiePolicy cookiePolicy; | ||
| private Boolean strictSocialTrackingProtection = null; | ||
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| private TrackingProtectionPolicy() { | ||
| trackingCategory = new ArrayList<>(); | ||
| } | ||
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| /** | ||
| * Strict policy. | ||
| * Combining the [TrackingCategory.STRICT] plus a cookiePolicy of [ACCEPT_NON_TRACKERS] | ||
| * This is the strictest setting and may cause issues on some web sites. | ||
| */ | ||
| public static TrackingProtectionPolicy strict() { | ||
| TrackingProtectionPolicy policy = new TrackingProtectionPolicy(); | ||
| policy.trackingCategory = Collections.singletonList(TrackingCategory.STRICT); | ||
| policy.cookiePolicy = CookiePolicy.ACCEPT_NON_TRACKERS; | ||
| policy.strictSocialTrackingProtection = true; | ||
| return policy; | ||
| } | ||
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| /** | ||
| * Recommended policy. | ||
| * Combining the [TrackingCategory.RECOMMENDED] plus a [CookiePolicy] of [ACCEPT_NON_TRACKERS]. | ||
| * This is the recommended setting. | ||
| */ | ||
| public static TrackingProtectionPolicy recommended() { | ||
| TrackingProtectionPolicy policy = new TrackingProtectionPolicy(); | ||
| policy.trackingCategory = Collections.singletonList(TrackingCategory.RECOMMENDED); | ||
| policy.cookiePolicy = CookiePolicy.ACCEPT_NON_TRACKERS; | ||
| policy.strictSocialTrackingProtection = false; | ||
| return policy; | ||
| } | ||
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| public static TrackingProtectionPolicy none() { | ||
| TrackingProtectionPolicy policy = new TrackingProtectionPolicy(); | ||
| policy.trackingCategory = Collections.singletonList(TrackingCategory.NONE); | ||
| policy.cookiePolicy = CookiePolicy.ACCEPT_ALL; | ||
| return policy; | ||
| } | ||
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| public enum TrackingCategory { | ||
| NONE(0), | ||
| AD(1 << 1), | ||
| ANALYTICS(1 << 2), | ||
| SOCIAL(1 << 3), | ||
| CONTENT(1 << 4), | ||
| TEST(1 << 5), | ||
| CRYPTOMINING(1 << 6), | ||
| FINGERPRINTING(1 << 7), | ||
| MOZILLA_SOCIAL(1 << 8), | ||
| SCRIPTS_AND_SUB_RESOURCES(1 << 9999), | ||
| RECOMMENDED(AD.value + ANALYTICS.value + SOCIAL.value + | ||
| TEST.value + MOZILLA_SOCIAL.value + CRYPTOMINING.value), | ||
| STRICT(RECOMMENDED.value + SCRIPTS_AND_SUB_RESOURCES.value + | ||
| FINGERPRINTING.value); | ||
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| private final int value; | ||
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| TrackingCategory(final int newValue) { | ||
| value = newValue; | ||
| } | ||
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| public int getValue() { return value; } | ||
| } | ||
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| public enum CookiePolicy { | ||
| ACCEPT_ALL(0), | ||
| ACCEPT_ONLY_FIRST_PARTY(1), | ||
| ACCEPT_NONE(2), | ||
| ACCEPT_VISITED(3), | ||
| ACCEPT_NON_TRACKERS(4); | ||
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| private final int value; | ||
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| CookiePolicy(final int newValue) { | ||
| value = newValue; | ||
| } | ||
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| public int getValue() { return value; } | ||
| } | ||
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| public List<TrackingCategory> getTrackingCategory() { | ||
| return trackingCategory; | ||
| } | ||
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| public Boolean getStrictSocialTrackingProtection() { | ||
| return strictSocialTrackingProtection; | ||
| } | ||
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| public CookiePolicy getCookiePolicy() { | ||
| return cookiePolicy; | ||
| } | ||
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| public int getAntiTrackingPolicy() { | ||
| /* | ||
| * The [TrackingProtectionPolicy.TrackingCategory.SCRIPTS_AND_SUB_RESOURCES] is an | ||
| * artificial category, created with the sole purpose of going around this bug | ||
| * https://bugzilla.mozilla.org/show_bug.cgi?id=1579264, for this reason we have to | ||
| * remove its value from the valid anti tracking categories, when is present. | ||
| */ | ||
| int total = trackingCategory.stream().mapToInt(TrackingCategory::getValue).sum(); | ||
| if (contains(TrackingCategory.SCRIPTS_AND_SUB_RESOURCES)) { | ||
| return total - TrackingProtectionPolicy.TrackingCategory.SCRIPTS_AND_SUB_RESOURCES.getValue(); | ||
| } else { | ||
| return total; | ||
| } | ||
| } | ||
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| public boolean contains(TrackingCategory category) { | ||
| int sum = trackingCategory.stream().mapToInt(TrackingCategory::getValue).sum(); | ||
| return (sum & category.getValue()) != 0; | ||
| } | ||
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| } |
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