Improve handling of remote image/jpeg resources (#9278)

Add jpe, jif, and jfif to image/jpeg extensions.
For remote image/jpeg without extension, always use jpg extension.

Closes #9275

media/mediaType.go

@@ -177,7 +177,7 @@ var (
 
 	// Common image types
 	PNGType  = newMediaType("image", "png", []string{"png"})
-	JPEGType = newMediaType("image", "jpeg", []string{"jpg", "jpeg"})
+	JPEGType = newMediaType("image", "jpeg", []string{"jpg", "jpeg", "jpe", "jif", "jfif"})
 	GIFType  = newMediaType("image", "gif", []string{"gif"})
 	TIFFType = newMediaType("image", "tiff", []string{"tif", "tiff"})
 	BMPType  = newMediaType("image", "bmp", []string{"bmp"})

resources/images/config.go

@@ -34,6 +34,9 @@ var (
 	imageFormats = map[string]Format{
 		".jpg":  JPEG,
 		".jpeg": JPEG,
+		".jpe":  JPEG,
+		".jif":  JPEG,
+		".jfif": JPEG,
 		".png":  PNG,
 		".tif":  TIFF,
 		".tiff": TIFF,

resources/resource_factories/create/create.go

@@ -226,28 +226,30 @@ func (c *Client) FromRemote(uri string, options map[string]interface{}) (resourc
 		}
 	}
 
-	var contentType string
+	var extension string
 	if arr, _ := mime.ExtensionsByType(res.Header.Get("Content-Type")); len(arr) == 1 {
-		contentType = arr[0]
+		extension = arr[0]
 	}
 
-	// If content type was not determined by header, look for a file extention
-	if contentType == "" {
+	// If extension was not determined by header, look for a file extention
+	if extension == "" {
 		if ext := path.Ext(filename); ext != "" {
-			contentType = ext
+			extension = ext
 		}
 	}
 
-	// If content type was not determined by header or file extention, try using content itself
-	if contentType == "" {
+	// If extension was not determined by header or file extention, try using content itself
+	if extension == "" {
 		if ct := http.DetectContentType(body); ct != "application/octet-stream" {
-			if arr, _ := mime.ExtensionsByType(ct); arr != nil {
-				contentType = arr[0]
+			if ct == "image/jpeg" {
+				extension = ".jpg"
+			} else if arr, _ := mime.ExtensionsByType(ct); arr != nil {
+				extension = arr[0]
 			}
 		}
 	}
 
-	resourceID = filename[:len(filename)-len(path.Ext(filename))] + "_" + resourceID + contentType
+	resourceID = filename[:len(filename)-len(path.Ext(filename))] + "_" + resourceID + extension
 
 	return c.rs.New(
 		resources.ResourceSourceDescriptor{