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feat(Facebook): Add Hide sponsored stories patch (#3627)

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Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
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PantlessCoding 2024-10-17 11:36:35 -04:00 committed by GitHub
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6
api/revanced-patches.api
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@ -263,6 +263,12 @@ public final class app/revanced/patches/duolingo/debug/EnableDebugMenuPatch : ap
public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
}
public final class app/revanced/patches/facebook/ads/mainfeed/HideSponsoredStoriesPatch : app/revanced/patcher/patch/BytecodePatch {
public static final field INSTANCE Lapp/revanced/patches/facebook/ads/mainfeed/HideSponsoredStoriesPatch;
public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
}
public final class app/revanced/patches/facebook/ads/story/HideStoryAdsPatch : app/revanced/patcher/patch/BytecodePatch {
public static final field INSTANCE Lapp/revanced/patches/facebook/ads/story/HideStoryAdsPatch;
public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V

96
src/main/kotlin/app/revanced/patches/facebook/ads/mainfeed/HideSponsoredStoriesPatch.kt Normal file
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@ -0,0 +1,96 @@
package app.revanced.patches.facebook.ads.mainfeed
import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
import app.revanced.patcher.extensions.or
import app.revanced.patcher.patch.BytecodePatch
import app.revanced.patcher.patch.annotation.CompatiblePackage
import app.revanced.patcher.patch.annotation.Patch
import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
import app.revanced.patches.facebook.ads.mainfeed.fingerprints.BaseModelMapperFingerprint
import app.revanced.patches.facebook.ads.mainfeed.fingerprints.GetSponsoredDataModelTemplateFingerprint
import app.revanced.patches.facebook.ads.mainfeed.fingerprints.GetStoryVisibilityFingerprint
import app.revanced.util.exception
import app.revanced.util.resultOrThrow
import com.android.tools.smali.dexlib2.AccessFlags
import com.android.tools.smali.dexlib2.builder.MutableMethodImplementation
import com.android.tools.smali.dexlib2.iface.instruction.formats.Instruction31i
import com.android.tools.smali.dexlib2.immutable.ImmutableMethod
import com.android.tools.smali.dexlib2.immutable.ImmutableMethodParameter
@Patch(
name = "Hide 'Sponsored Stories'",
compatiblePackages = [CompatiblePackage("com.facebook.katana")],
)
@Suppress("unused")
object HideSponsoredStoriesPatch : BytecodePatch(
setOf(GetStoryVisibilityFingerprint, GetSponsoredDataModelTemplateFingerprint, BaseModelMapperFingerprint),
) {
private const val GRAPHQL_STORY_TYPE = "Lcom/facebook/graphql/model/GraphQLStory;"
override fun execute(context: BytecodeContext) {
GetStoryVisibilityFingerprint.result?.apply {
val sponsoredDataModelTemplateMethod = GetSponsoredDataModelTemplateFingerprint.resultOrThrow().method
val baseModelMapperMethod = BaseModelMapperFingerprint.resultOrThrow().method
val baseModelWithTreeType = baseModelMapperMethod.returnType
// The "SponsoredDataModelTemplate" methods has the ids in its body to extract sponsored data
// from GraphQL models, but targets the wrong derived type of "BaseModelWithTree". Since those ids
// could change in future version, we need to extract them and call the base implementation directly.
val getSponsoredDataHelperMethod = ImmutableMethod(
classDef.type,
"getSponsoredData",
listOf(ImmutableMethodParameter(GRAPHQL_STORY_TYPE, null, null)),
baseModelWithTreeType,
AccessFlags.PRIVATE or AccessFlags.STATIC,
null,
null,
MutableMethodImplementation(4),
).toMutable().apply {
// Extract the ids of the original method. These ids seem to correspond to model types for
// GraphQL data structure. They are then fed to a method of BaseModelWithTree that populate
// and cast the requested GraphQL subtype. The Ids are found in the two first "CONST" instructions.
val constInstructions = sponsoredDataModelTemplateMethod.implementation!!.instructions
.asSequence()
.filterIsInstance<Instruction31i>()
.take(2)
.toList()
val storyTypeId = constInstructions[0].narrowLiteral
val sponsoredDataTypeId = constInstructions[1].narrowLiteral
addInstructions(
"""
const-class v2, $baseModelWithTreeType
const v1, $storyTypeId
const v0, $sponsoredDataTypeId
invoke-virtual {p0, v2, v1, v0}, $baseModelMapperMethod
move-result-object v0
check-cast v0, $baseModelWithTreeType
return-object v0
""",
)
}
mutableClass.methods.add(getSponsoredDataHelperMethod)
// Check if the parameter type is GraphQLStory and if sponsoredDataModelGetter returns a non-null value.
// If so, hide the story by setting the visibility to StoryVisibility.GONE.
mutableMethod.addInstructionsWithLabels(
scanResult.patternScanResult!!.startIndex,
"""
instance-of v0, p0, $GRAPHQL_STORY_TYPE
if-eqz v0, :resume_normal
invoke-static {p0}, $getSponsoredDataHelperMethod
move-result-object v0
if-eqz v0, :resume_normal
const-string v0, "GONE"
return-object v0
:resume_normal
nop
""",
)
} ?: throw GetStoryVisibilityFingerprint.exception
}
}

21
src/main/kotlin/app/revanced/patches/facebook/ads/mainfeed/fingerprints/BaseModelMapperFingerprint.kt Normal file
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@ -0,0 +1,21 @@
package app.revanced.patches.facebook.ads.mainfeed.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.MethodFingerprint
import com.android.tools.smali.dexlib2.AccessFlags
import com.android.tools.smali.dexlib2.Opcode
internal object BaseModelMapperFingerprint : MethodFingerprint(
accessFlags = (AccessFlags.PUBLIC or AccessFlags.FINAL),
parameters = listOf("Ljava/lang/Class","I","I"),
returnType = "Lcom/facebook/graphql/modelutil/BaseModelWithTree;",
opcodes = listOf(
Opcode.SGET_OBJECT,
Opcode.INVOKE_STATIC,
Opcode.MOVE_RESULT_OBJECT,
Opcode.CONST_4,
Opcode.IF_EQ
)
)

23
src/main/kotlin/app/revanced/patches/facebook/ads/mainfeed/fingerprints/GetSponsoredDataModelTemplateFingerprint.kt Normal file
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@ -0,0 +1,23 @@
package app.revanced.patches.facebook.ads.mainfeed.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.MethodFingerprint
import com.android.tools.smali.dexlib2.AccessFlags
import com.android.tools.smali.dexlib2.Opcode
internal object GetSponsoredDataModelTemplateFingerprint : MethodFingerprint(
accessFlags = (AccessFlags.PUBLIC or AccessFlags.FINAL),
parameters = listOf(),
returnType = "L",
opcodes = listOf(
Opcode.CONST,
Opcode.CONST,
Opcode.INVOKE_STATIC,
Opcode.MOVE_RESULT_OBJECT,
Opcode.RETURN_OBJECT
),
customFingerprint = { methodDef, classDef ->
classDef.type == "Lcom/facebook/graphql/model/GraphQLFBMultiAdsFeedUnit;"
}
)

23
src/main/kotlin/app/revanced/patches/facebook/ads/mainfeed/fingerprints/GetStoryVisibilityFingerprint.kt Normal file
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@ -0,0 +1,23 @@
package app.revanced.patches.facebook.ads.mainfeed.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.MethodFingerprint
import com.android.tools.smali.dexlib2.AccessFlags
import com.android.tools.smali.dexlib2.Opcode
import com.android.tools.smali.dexlib2.iface.Annotation
import com.android.tools.smali.dexlib2.iface.value.StringEncodedValue
internal object GetStoryVisibilityFingerprint : MethodFingerprint(
returnType = "Ljava/lang/String;",
accessFlags = (AccessFlags.PUBLIC or AccessFlags.STATIC),
opcodes = listOf(
Opcode.INSTANCE_OF,
Opcode.IF_NEZ,
Opcode.INSTANCE_OF,
Opcode.IF_NEZ,
Opcode.INSTANCE_OF,
Opcode.IF_NEZ,
Opcode.CONST
),
strings = listOf("This should not be called for base class object"),
)