Make LinkingIOS App extension safe

Libraries/LinkingIOS/RCTLinkingManager.m

@@ -90,7 +90,7 @@ - (void)handleOpenURLNotification:(NSNotification *)notification
                   resolve:(RCTPromiseResolveBlock)resolve
                   reject:(RCTPromiseRejectBlock)reject)
 {
-  BOOL opened = [RCTSharedApplication() openURL:URL];
+  BOOL opened = RCTLinkingIOSOpenUrl(URL);
   if (opened) {
     resolve(nil);
   } else {
@@ -114,7 +114,7 @@ - (void)handleOpenURLNotification:(NSNotification *)notification
   // simply resolving with NO
 
   // This can be expensive, so we deliberately don't call on main thread
-  BOOL canOpen = [RCTSharedApplication() canOpenURL:URL];
+  BOOL canOpen = RCTLinkingIOSCanOpenUrl(URL);
   resolve(@(canOpen));
 }
 

React/Base/RCTUtils.h

@@ -74,6 +74,12 @@ RCT_EXTERN NSString *const RCTErrorUnspecified;
 // Returns YES if React is running in a test environment
 RCT_EXTERN BOOL RCTRunningInTestEnvironment(void);
 
+// Returns the boolean output of UIApplication openUrl, or false if running in an App Extension
+RCT_EXTERN BOOL RCTLinkingIOSOpenUrl(NSURL *URL);
+
+// Returns the boolean output of UIApplication canOpenUrl, or false if running in an App Extension
+RCT_EXTERN BOOL RCTLinkingIOSCanOpenUrl(NSURL *URL);
+
 // Returns YES if React is running in an iOS App Extension
 RCT_EXTERN BOOL RCTRunningInAppExtension(void);
 

React/Base/RCTUtils.m

@@ -456,6 +456,22 @@ BOOL RCTRunningInAppExtension(void)
   return [[[[NSBundle mainBundle] bundlePath] pathExtension] isEqualToString:@"appex"];
 }
 
+BOOL RCTLinkingIOSOpenUrl(NSURL *URL)
+{
+    if (RCTRunningInAppExtension()) {
+        return false;
+    }
+    return [RCTSharedApplication() performSelector:@selector(openURL:) withObject: URL];
+}
+
+BOOL RCTLinkingIOSCanOpenUrl(NSURL *URL)
+{
+      if (RCTRunningInAppExtension()) {
+        return false;
+      }
+    return [RCTSharedApplication() performSelector:@selector(canOpenURL:) withObject: URL];
+}
+
 UIApplication *__nullable RCTSharedApplication(void)
 {
   if (RCTRunningInAppExtension()) {