From 334703ec43c7e2642a6de90e8d2ed3156287ffef Mon Sep 17 00:00:00 2001
From: James Magahern <james@magahern.com>
Date: Mon, 5 May 2025 19:05:49 -0700
Subject: [PATCH] Obscure mail spi

---
 App/Hacks/Hacks.h                          |  1 +
 App/Hacks/Hacks.m                          |  6 ++++++
 App/Hacks/MFMailComposeViewControllerFix.m | 16 ++++------------
 3 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/App/Hacks/Hacks.h b/App/Hacks/Hacks.h
index 8c2484a..7efaccd 100644
--- a/App/Hacks/Hacks.h
+++ b/App/Hacks/Hacks.h
@@ -9,3 +9,4 @@
 
 extern Class DecodedClass(const char *encodedClassName);
 extern SEL DecodedSelector(const char *encodedSelectorName);
+extern void SwizzleClassMethod(Class targetClass, SEL originalSelector, IMP replacementIMP);
diff --git a/App/Hacks/Hacks.m b/App/Hacks/Hacks.m
index ee55086..f74d2bb 100644
--- a/App/Hacks/Hacks.m
+++ b/App/Hacks/Hacks.m
@@ -6,6 +6,7 @@
 //
 
 #import "Hacks.h"
+#import <objc/runtime.h>
 
 Class DecodedClass(const char *encodedClassName) {
     NSData *data = [NSData dataWithBytesNoCopy:(void *)encodedClassName length:strlen(encodedClassName) freeWhenDone:NO];
@@ -23,3 +24,8 @@ SEL DecodedSelector(const char *encodedSelectorName) {
     return NSSelectorFromString(str);
 }
 
+void SwizzleClassMethod(Class targetClass, SEL originalSelector, IMP replacementIMP)
+{
+    Method originalMethod = class_getClassMethod(targetClass, originalSelector);
+    method_setImplementation(originalMethod, replacementIMP);
+}
diff --git a/App/Hacks/MFMailComposeViewControllerFix.m b/App/Hacks/MFMailComposeViewControllerFix.m
index 96880c2..8ae7803 100644
--- a/App/Hacks/MFMailComposeViewControllerFix.m
+++ b/App/Hacks/MFMailComposeViewControllerFix.m
@@ -9,26 +9,18 @@
 #import <MessageUI/MessageUI.h>
 #import <WebKit/WKWebView.h>
 #import <objc/runtime.h>
-
-@interface MFMailComposeViewController (InternalMethods)
-+ (BOOL)canSendMailSourceAccountManagement:(NSInteger)sourceAccountManagement;
-@end
-
-static void swizzleClassMethod(Class targetClass, SEL originalSelector, IMP replacementIMP)
-{
-    Method originalMethod = class_getClassMethod(targetClass, originalSelector);
-    method_setImplementation(originalMethod, replacementIMP);
-}
+#import "Hacks.h"
 
 __attribute__((constructor))
 static void swizzleMFMailComposeViewController(void)
 {
     // Hacks to work around the fact that MFMailComposeViewController is broken in iOS 14+
-    swizzleClassMethod(MFMailComposeViewController.class, @selector(canSendMail), imp_implementationWithBlock(^BOOL(void) {
+    SwizzleClassMethod(MFMailComposeViewController.class, @selector(canSendMail), imp_implementationWithBlock(^BOOL(void) {
         return YES;
     }));
     
-    swizzleClassMethod(MFMailComposeViewController.class, @selector(canSendMailSourceAccountManagement:), imp_implementationWithBlock(^BOOL(NSInteger sam) {
+    SEL canSendMailSourceAccountManagement = DecodedSelector("Y2FuU2VuZE1haWxTb3VyY2VBY2NvdW50TWFuYWdlbWVudDo=");
+    SwizzleClassMethod(MFMailComposeViewController.class, canSendMailSourceAccountManagement, imp_implementationWithBlock(^BOOL(NSInteger sam) {
         return YES;
     }));
 }