Merge pull request #537 from wordpress-mobile/crash/xml-rpc-media-sizes

XML-RPC: Use stringForKeyPath when accessing image sizes from remote metadata

Author: Gerardo Pacheco

WordPressKit.podspec

@@ -2,7 +2,7 @@
 
 Pod::Spec.new do |s|
   s.name          = 'WordPressKit'
-  s.version       = '4.57.0'
+  s.version       = '4.57.1'
 
   s.summary       = 'WordPressKit offers a clean and simple WordPress.com and WordPress.org API.'
   s.description   = <<-DESC

WordPressKit/MediaServiceRemoteXMLRPC.m

@@ -273,12 +273,12 @@ - (RemoteMedia *)remoteMediaFromXMLRPCDictionary:(NSDictionary*)xmlRPC
     }
     remoteMedia.file = [link lastPathComponent] ?: [[xmlRPC objectForKeyPath:@"file"] lastPathComponent];
 
-    if ([xmlRPC valueForKeyPath:@"metadata.sizes.large.file"] != nil) {
-        remoteMedia.largeURL = [NSURL URLWithString: [NSString stringWithFormat:@"%@%@", remoteMedia.url.URLByDeletingLastPathComponent, [xmlRPC valueForKeyPath:@"metadata.sizes.large.file"]]];
+    if ([xmlRPC stringForKeyPath:@"metadata.sizes.large.file"] != nil) {
+        remoteMedia.largeURL = [NSURL URLWithString: [NSString stringWithFormat:@"%@%@", remoteMedia.url.URLByDeletingLastPathComponent, [xmlRPC stringForKeyPath:@"metadata.sizes.large.file"]]];
     }
 
-    if ([xmlRPC valueForKeyPath:@"metadata.sizes.medium.file"] != nil) {
-        remoteMedia.mediumURL = [NSURL URLWithString: [NSString stringWithFormat:@"%@%@", remoteMedia.url.URLByDeletingLastPathComponent, [xmlRPC valueForKeyPath:@"metadata.sizes.medium.file"]]];
+    if ([xmlRPC stringForKeyPath:@"metadata.sizes.medium.file"] != nil) {
+        remoteMedia.mediumURL = [NSURL URLWithString: [NSString stringWithFormat:@"%@%@", remoteMedia.url.URLByDeletingLastPathComponent, [xmlRPC stringForKeyPath:@"metadata.sizes.medium.file"]]];
     }
 
     if (xmlRPC[@"date_created_gmt"] != nil) {