Detect start of font file

content.py

@@ -623,6 +623,7 @@ def saveMediaInFormPOST(mediaBytes, debug: bool,
         'OTTO': 'application/x-font-opentype'
     }
     detectedExtension = None
+    isFont = False
     for extension, contentType in extensionList.items():
         searchStr = b'Content-Type: ' + contentType.encode('utf8', 'ignore')
         mediaLocation = mediaBytes.find(searchStr)
@@ -648,11 +649,15 @@ def saveMediaInFormPOST(mediaBytes, debug: bool,
                     detectedExtension = 'woff2'
                 elif extension == 'OTTO':
                     detectedExtension = 'otf'
+                isFont = True
                 break
 
     if not filename:
         return None, None
 
+    if isFont:
+        startPos = mediaLocation
+    else:
         # locate the beginning of the image, after any
         # carriage returns
         startPos = mediaLocation + len(searchStr)