feat(baconreader): add `change-oauth-client-id` patch (#2535)

Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>

src/main/kotlin/app/revanced/patches/reddit/customclients/baconreader/api/fingerprints/GetAuthorizationUrlFingerprint.kt

@@ -0,0 +1,7 @@
+package app.revanced.patches.reddit.customclients.baconreader.api.fingerprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+
+object GetAuthorizationUrlFingerprint: MethodFingerprint(
+    strings = listOf("client_id=zACVn0dSFGdWqQ"),
+)

src/main/kotlin/app/revanced/patches/reddit/customclients/baconreader/api/fingerprints/GetClientIdFingerprint.kt

@@ -0,0 +1,12 @@
+package app.revanced.patches.reddit.customclients.baconreader.api.fingerprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+
+object GetClientIdFingerprint : MethodFingerprint(
+    strings = listOf("client_id=zACVn0dSFGdWqQ"),
+    customFingerprint = custom@{ methodDef, classDef ->
+        if (!classDef.type.endsWith("RedditOAuth;")) return@custom false
+
+        methodDef.name == "getAuthorizeUrl"
+    }
+)

src/main/kotlin/app/revanced/patches/reddit/customclients/baconreader/api/fingerprints/RequestTokenFingerprint.kt

@@ -0,0 +1,7 @@
+package app.revanced.patches.reddit.customclients.baconreader.api.fingerprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+
+object RequestTokenFingerprint : MethodFingerprint(
+    strings = listOf("zACVn0dSFGdWqQ", "kDm2tYpu9DqyWFFyPlNcXGEni4k"), // App ID and secret.
+)

src/main/kotlin/app/revanced/patches/reddit/customclients/baconreader/api/patch/ChangeOAuthClientIdPatch.kt

@@ -0,0 +1,47 @@
+package app.revanced.patches.reddit.customclients.baconreader.api.patch
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprintResult
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patches.reddit.customclients.AbstractChangeOAuthClientIdPatch
+import app.revanced.patches.reddit.customclients.ChangeOAuthClientIdPatchAnnotation
+import app.revanced.patches.reddit.customclients.baconreader.api.fingerprints.GetAuthorizationUrlFingerprint
+import app.revanced.patches.reddit.customclients.baconreader.api.fingerprints.RequestTokenFingerprint
+import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
+
+
+@ChangeOAuthClientIdPatchAnnotation
+@Compatibility([Package("com.onelouder.baconreader")])
+class ChangeOAuthClientIdPatch : AbstractChangeOAuthClientIdPatch(
+    "http://baconreader.com/auth", Options, listOf(GetAuthorizationUrlFingerprint, RequestTokenFingerprint)
+) {
+
+    override fun List<MethodFingerprintResult>.patch(context: BytecodeContext): PatchResult {
+        fun MethodFingerprintResult.patch(replacementString: String) {
+            val clientIdIndex = scanResult.stringsScanResult!!.matches.first().index
+
+            mutableMethod.apply {
+                val clientIdRegister = getInstruction<OneRegisterInstruction>(clientIdIndex).registerA
+                replaceInstruction(
+                    clientIdIndex,
+                    "const-string v$clientIdRegister, \"$replacementString\""
+                )
+            }
+        }
+
+        // Patch client id in authorization url.
+        first().patch("client_id=$clientId")
+
+        // Patch client id for access token request.
+        last().patch(clientId!!)
+
+        return PatchResultSuccess()
+    }
+
+    companion object Options : AbstractChangeOAuthClientIdPatch.Options.ChangeOAuthClientIdOptionsContainer()
+}