feat(Spotify): Add Unlock premium patch (#4644)

Co-authored-by: Nuckyz <61953774+Nuckyz@users.noreply.github.com>
Co-authored-by: Brosssh <tiabroch@gmail.com>

extensions/spotify/build.gradle.kts

@@ -0,0 +1,3 @@
+dependencies {
+    compileOnly(project(":extensions:spotify:stub"))
+}

extensions/spotify/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest/>

extensions/spotify/src/main/java/app/revanced/extension/spotify/misc/UnlockPremiumPatch.java

@@ -0,0 +1,37 @@
+package app.revanced.extension.spotify.misc;
+
+import com.spotify.remoteconfig.internal.AccountAttribute;
+
+import java.util.Map;
+import java.util.Objects;
+
+/**
+ * @noinspection unused
+ */
+public final class UnlockPremiumPatch {
+    private static final Map<String, Object> OVERRIDES = Map.of(
+            // Disables player and app ads.
+            "ads", false,
+            // Works along on-demand, allows playing any song without restriction.
+            "player-license", "premium",
+            // Disables shuffle being initially enabled when first playing a playlist.
+            "shuffle", false,
+            // Allows playing any song on-demand, without a shuffled order.
+            "on-demand", true,
+            // Allows adding songs to queue and removes the smart shuffle mode restriction, 
+            // allowing to pick any of the other modes.
+            "pick-and-shuffle", false,
+            // Disables shuffle-mode streaming-rule, which forces songs to be played shuffled 
+            // and breaks the player when other patches are applied.
+            "streaming-rules", "",
+            // Enables premium UI in settings and removes the premium button in the nav-bar.
+            "nft-disabled", "1"
+    );
+
+    public static void overrideAttribute(Map<String, AccountAttribute> attributes) {
+        for (var entry : OVERRIDES.entrySet()) {
+            var attribute = Objects.requireNonNull(attributes.get(entry.getKey()));
+            attribute.value_ = entry.getValue();
+        }
+    }
+}

extensions/spotify/stub/build.gradle.kts

@@ -0,0 +1,17 @@
+plugins {
+    id(libs.plugins.android.library.get().pluginId)
+}
+
+android {
+    namespace = "app.revanced.extension"
+    compileSdk = 34
+
+    defaultConfig {
+        minSdk = 26
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+}

extensions/spotify/stub/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest/>

extensions/spotify/stub/src/main/java/com/spotify/remoteconfig/internal/AccountAttribute.java

@@ -0,0 +1,5 @@
+package com.spotify.remoteconfig.internal;
+
+public final class AccountAttribute {
+    public Object value_;
+}

patches/api/patches.api

@@ -816,6 +816,10 @@ public final class app/revanced/patches/spotify/lite/ondemand/OnDemandPatchKt {
 	public static final fun getOnDemandPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/spotify/misc/UnlockPremiumPatchKt {
+	public static final fun getUnlockPremiumPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/spotify/misc/fix/SpoofSignaturePatchKt {
 	public static final fun getSpoofSignaturePatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }

patches/src/main/kotlin/app/revanced/patches/spotify/misc/Fingerprints.kt

@@ -0,0 +1,18 @@
+package app.revanced.patches.spotify.misc
+
+import app.revanced.patcher.fingerprint
+
+internal val accountAttributeFingerprint = fingerprint {
+    custom { _, c -> c.endsWith("internal/AccountAttribute;") }
+}
+
+internal val productStateProtoFingerprint = fingerprint {
+    returns("Ljava/util/Map;")
+    custom { _, classDef ->
+        classDef.endsWith("ProductStateProto;")
+    }
+}
+
+internal val buildQueryParametersFingerprint = fingerprint {
+    strings("trackRows", "device_type:tablet")
+}

patches/src/main/kotlin/app/revanced/patches/spotify/misc/UnlockPremiumPatch.kt

@@ -0,0 +1,36 @@
+package app.revanced.patches.spotify.misc
+
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
+import app.revanced.patcher.patch.bytecodePatch
+import com.android.tools.smali.dexlib2.AccessFlags
+
+@Suppress("unused")
+val unlockPremiumPatch = bytecodePatch(
+    name = "Unlock Spotify Premium",
+    description = "Unlock Spotify Premium features. Server-sided features like downloading songs are still locked.",
+) {
+    compatibleWith("com.spotify.music")
+
+    extendWith("extensions/spotify.rve")
+
+    execute {
+        // Make _value accessible so that it can be overridden in the extension.
+        accountAttributeFingerprint.classDef.fields.first { it.name == "value_" }.apply {
+            accessFlags = accessFlags.or(AccessFlags.PUBLIC.value).and(AccessFlags.PRIVATE.value.inv())
+        }
+
+        // Override the attributes map in the getter method.
+        val attributesMapRegister = 0
+        val instantiateUnmodifiableMapIndex = 1
+        productStateProtoFingerprint.method.addInstruction(
+            instantiateUnmodifiableMapIndex,
+            "invoke-static { v$attributesMapRegister }," +
+                "Lapp/revanced/extension/spotify/misc/UnlockPremiumPatch;->overrideAttribute(Ljava/util/Map;)V",
+        )
+
+        // Add the query parameter trackRows to show popular tracks in the artist page.
+        val addQueryParameterIndex = buildQueryParametersFingerprint.stringMatches!!.first().index - 1
+        buildQueryParametersFingerprint.method.replaceInstruction(addQueryParameterIndex, "nop")
+    }
+}

patches/src/main/kotlin/app/revanced/patches/spotify/navbar/Fingerprints.kt

@@ -1,11 +0,0 @@
-package app.revanced.patches.spotify.navbar
-
-import app.revanced.patcher.fingerprint
-import app.revanced.util.literal
-import com.android.tools.smali.dexlib2.AccessFlags
-
-internal val addNavBarItemFingerprint = fingerprint {
-    accessFlags(AccessFlags.PUBLIC, AccessFlags.FINAL)
-    returns("V")
-    literal { showBottomNavigationItemsTextId }
-}

patches/src/main/kotlin/app/revanced/patches/spotify/navbar/PremiumNavbarTabPatch.kt

@@ -1,50 +1,12 @@
 package app.revanced.patches.spotify.navbar
 
-import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
 import app.revanced.patcher.patch.bytecodePatch
-import app.revanced.patcher.patch.resourcePatch
-import app.revanced.patches.shared.misc.mapping.get
-import app.revanced.patches.shared.misc.mapping.resourceMappingPatch
-import app.revanced.patches.shared.misc.mapping.resourceMappings
-
-internal var showBottomNavigationItemsTextId = -1L
-    private set
-internal var premiumTabId = -1L
-    private set
-
-private val premiumNavbarTabResourcePatch = resourcePatch {
-    dependsOn(resourceMappingPatch)
-
-    execute {
-        premiumTabId = resourceMappings["id", "premium_tab"]
-
-        showBottomNavigationItemsTextId = resourceMappings[
-            "bool",
-            "show_bottom_navigation_items_text",
-        ]
-    }
-}
+import app.revanced.patches.spotify.misc.unlockPremiumPatch
 
+@Deprecated("Superseded by unlockPremiumPatch", ReplaceWith("unlockPremiumPatch"))
 @Suppress("unused")
 val premiumNavbarTabPatch = bytecodePatch(
-    name = "Premium navbar tab",
     description = "Hides the premium tab from the navigation bar.",
 ) {
-    dependsOn(premiumNavbarTabResourcePatch)
-
-    compatibleWith("com.spotify.music")
-
-    // If the navigation bar item is the premium tab, do not add it.
-    execute {
-        addNavBarItemFingerprint.method.addInstructions(
-            0,
-            """
-                const v1, $premiumTabId
-                if-ne p5, v1, :continue
-                return-void
-                :continue
-                nop
-            """,
-        )
-    }
+    dependsOn(unlockPremiumPatch)
 }