feat(twitter): Add download patch

src/main/kotlin/your/org/patches/twitter/download/DownloadPatch.kt

@@ -0,0 +1,65 @@
+package your.org.patches.twitter
+
+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.InstructionExtensions.getInstructions
+import app.revanced.patcher.extensions.InstructionExtensions.removeInstruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchException
+import app.revanced.patcher.patch.annotation.CompatiblePackage
+import app.revanced.patcher.patch.annotation.Patch
+import app.revanced.patcher.util.smali.ExternalLabel
+import com.android.tools.smali.dexlib2.Opcode
+import your.org.patches.twitter.download.fingerprints.DownloadPatchFingerprint
+import your.org.patches.twitter.download.fingerprints.FIleDownloaderFingerprint
+
+@Patch(
+    name = "Download patch",
+    description = "Unlocks the ability to download videos from Twitter",
+    compatiblePackages = [CompatiblePackage("com.twitter.android")]
+)
+object DownloadPatch : BytecodePatch(
+    setOf(DownloadPatchFingerprint, FIleDownloaderFingerprint)
+) {
+    override fun execute(context: BytecodeContext) {
+        val result = DownloadPatchFingerprint.result
+            ?: throw PatchException("DownloadPatchFingerprint not found")
+
+        val method = result.mutableMethod
+        val instructions = method.getInstructions()
+        instructions.forEach {
+            println(it.opcode)
+        }
+
+        val index = instructions.filter { it.opcode == Opcode.IF_EQ }[1].location.index
+
+        method.addInstructionsWithLabels(
+            index + 1,
+            """
+               const/4 v5, 0x2
+               
+               if-eq v4, v5, :cond_0  
+            """,
+            ExternalLabel("cond_0", method.getInstructions().first { it.opcode == Opcode.NEW_INSTANCE })
+        )
+
+        instructions.first { it.opcode == Opcode.IGET_BOOLEAN }.location.index.apply {
+            method.removeInstruction(this)
+            method.removeInstruction(this)
+        }
+
+        val f2Result = FIleDownloaderFingerprint.result
+            ?: throw PatchException("FIleDownloaderFingerprint not found")
+
+        print(f2Result.classDef.superclass)
+
+        f2Result.mutableClass.methods.forEach {
+            if (it.name == "a") {
+                // get first if
+                val i = it.getInstructions().first { inst -> inst.opcode == Opcode.IF_EQZ }.location.index
+                it.addInstructions(i, "const/4 v0, 0x1")
+            }
+        }
+    }
+}

src/main/kotlin/your/org/patches/twitter/download/fingerprints/DownloadPatchFingerprint.kt

@@ -0,0 +1,12 @@
+package your.org.patches.twitter.download.fingerprints
+
+import app.revanced.patcher.fingerprint.MethodFingerprint
+
+object DownloadPatchFingerprint : MethodFingerprint(
+    returnType = "V",
+    strings = listOf(
+        "media_options_sheet",
+        "resources.getString(R.string.post_video)",
+        "resources.getString(R.string.post_photo)"
+    )
+)

src/main/kotlin/your/org/patches/twitter/download/fingerprints/FIleDownloaderFingerprint.kt

@@ -0,0 +1,11 @@
+package your.org.patches.twitter.download.fingerprints
+
+import app.revanced.patcher.fingerprint.MethodFingerprint
+
+object FIleDownloaderFingerprint: MethodFingerprint(
+    returnType = "V",
+    strings = listOf(
+        "fileDownloader",
+        "dialogOpener"
+    )
+)