lowercase urlFileName before checking suffixes

bbkane · bbkane · commit 2644a98cb8bc · 2024-03-11T20:17:58.000-07:00
diff --git a/grab.go b/grab.go
@@ -135,7 +135,7 @@ func validateImageURL(fullURL string) (string, error) {
 	urlFileName := segments[len(segments)-1]
 	allowedImageExtensions := []string{".jpg", ".jpeg", ".png"}
 	for _, suffix := range allowedImageExtensions {
-		if strings.HasSuffix(urlFileName, suffix) {
+		if strings.HasSuffix(strings.ToLower(urlFileName), suffix) {
 			return urlFileName, nil
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -135,7 +135,7 @@ func validateImageURL(fullURL string) (string, error) {`
`135`	`135`	`urlFileName := segments[len(segments)-1]`
`136`	`136`	`allowedImageExtensions := []string{".jpg", ".jpeg", ".png"}`
`137`	`137`	`for _, suffix := range allowedImageExtensions {`
`138`		`- if strings.HasSuffix(urlFileName, suffix) {`
	`138`	`+ if strings.HasSuffix(strings.ToLower(urlFileName), suffix) {`
`139`	`139`	`return urlFileName, nil`
`140`	`140`	`}`
`141`	`141`