From 8cd60eea36bd49514ed1c42bf362dce7e9675fca Mon Sep 17 00:00:00 2001
From: Valerio Mazza <92364106+vlemazza@users.noreply.github.com>
Date: Wed, 5 Jul 2023 22:19:44 +0200
Subject: [PATCH] feat(slideforreddit): add `change-oauth-client-id` patch
 (#2571)

---
 .../fingerprints/GetClientIdFingerprint.kt    | 11 ++++++
 .../api/patch/ChangeOAuthClientIdPatch.kt     | 36 +++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/fingerprints/GetClientIdFingerprint.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/patch/ChangeOAuthClientIdPatch.kt

diff --git a/src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/fingerprints/GetClientIdFingerprint.kt b/src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/fingerprints/GetClientIdFingerprint.kt
new file mode 100644
index 0000000000..9caed98521
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/fingerprints/GetClientIdFingerprint.kt
@@ -0,0 +1,11 @@
+package app.revanced.patches.reddit.customclients.slide.api.fingerprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+
+object GetClientIdFingerprint : MethodFingerprint(
+    customFingerprint = custom@{ methodDef, classDef ->
+        if (!classDef.type.endsWith("Credentials;")) return@custom false
+
+        methodDef.name == "getClientId"
+    }
+)
\ No newline at end of file
diff --git a/src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/patch/ChangeOAuthClientIdPatch.kt b/src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/patch/ChangeOAuthClientIdPatch.kt
new file mode 100644
index 0000000000..90a9372fcc
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/reddit/customclients/slide/api/patch/ChangeOAuthClientIdPatch.kt
@@ -0,0 +1,36 @@
+package app.revanced.patches.reddit.customclients.slide.api.patch
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Package
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
+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.boostforreddit.api.fingerprints.GetClientIdFingerprint
+
+@ChangeOAuthClientIdPatchAnnotation
+@Description("Changes the OAuth client ID. " +
+        "The OAuth application type has to be \"Installed app\" " +
+        "and the redirect URI has to be set to \"http://www.ccrama.me\".")
+@Compatibility([Package("me.ccrama.redditslide")])
+class ChangeOAuthClientIdPatch : AbstractChangeOAuthClientIdPatch(
+    "http://www.ccrama.me", Options, listOf(GetClientIdFingerprint)
+) {
+    override fun List<MethodFingerprintResult>.patch(context: BytecodeContext): PatchResult {
+        first().mutableMethod.addInstructions(
+            0,
+    """
+                     const-string v0, "$clientId"
+                     return-object v0
+                """
+        )
+
+        return PatchResultSuccess()
+    }
+
+    companion object Options : AbstractChangeOAuthClientIdPatch.Options.ChangeOAuthClientIdOptionsContainer()
+}