feat: add friend source spoof

mapper/src/main/kotlin/me/rhunk/snapmapper/impl/FriendRelationshipChangerMapper.kt

@@ -0,0 +1,27 @@
+package me.rhunk.snapmapper.impl
+
+import me.rhunk.snapmapper.AbstractClassMapper
+import me.rhunk.snapmapper.MapperContext
+import me.rhunk.snapmapper.ext.findConstString
+import me.rhunk.snapmapper.ext.getClassName
+import me.rhunk.snapmapper.ext.isEnum
+
+class FriendRelationshipChangerMapper : AbstractClassMapper() {
+    override fun run(context: MapperContext) {
+        for (classDef in context.classes) {
+            classDef.methods.firstOrNull { it.name == "<init>" }?.implementation?.findConstString("FriendRelationshipChangerImpl")?.takeIf { it } ?: continue
+            val addFriendMethod = classDef.methods.first {
+                it.parameterTypes.size > 4 &&
+                context.getClass(it.parameterTypes[1])?.isEnum() == true &&
+                context.getClass(it.parameterTypes[2])?.isEnum() == true &&
+                context.getClass(it.parameterTypes[3])?.isEnum() == true &&
+                it.parameters[4].type == "Ljava/lang/String;"
+            }
+
+            context.addMapping("FriendRelationshipChanger",
+                "class" to classDef.getClassName(),
+                "addFriendMethod" to addFriendMethod.name
+            )
+        }
+    }
+}

mapper/src/test/kotlin/me/rhunk/snapenhance/mapper/tests/TestMappings.kt

@@ -24,6 +24,7 @@ class TestMappings {
             FriendsFeedEventDispatcherMapper::class,
             CompositeConfigurationProviderMapper::class,
             ScoreUpdateMapper::class,
+            FriendRelationshipChangerMapper::class,
         )
 
         val gson = GsonBuilder().setPrettyPrinting().create()