veb,vweb: make the MIME type checks case insensitive (allow for servi…

…ng static file.JPG) (fix #22425) (#22483)

vlib/veb/static_handler.v

@@ -104,7 +104,7 @@ pub fn (mut sh StaticHandler) serve_static(url string, file_path string) ! {
 // `url` is the access path on the site, `file_path` is the real path to the file
 // `host` is the host to serve the file from
 pub fn (mut sh StaticHandler) host_serve_static(host string, url string, file_path string) ! {
-	ext := os.file_ext(file_path)
+	ext := os.file_ext(file_path).to_lower()
 
 	// Rudimentary guard against adding files not in mime_types.
 	if ext !in sh.static_mime_types && ext !in mime_types {

vlib/veb/tests/static_handler_test.v

@@ -119,3 +119,10 @@ fn test_custom_folder_mount() {
 	assert x.status() == .ok
 	assert x.body == 'root'
 }
+
+fn test_upper_case_mime_type() {
+	x := http.get('${localserver}/upper_case.TXT')!
+
+	assert x.status() == .ok
+	assert x.body == 'body'
+}

vlib/veb/tests/testdata/upper_case.TXT

@@ -0,0 +1 @@
+body

vlib/veb/veb.v

@@ -845,7 +845,7 @@ fn serve_if_static[A, X](app &A, mut user_context X, url urllib.URL, host string
 	static_file := app.static_files[asked_path] or { return false }
 
 	// StaticHandler ensures that the mime type exists on either the App or in veb
-	ext := os.file_ext(static_file)
+	ext := os.file_ext(static_file).to_lower()
 	mut mime_type := app.static_mime_types[ext] or { mime_types[ext] }
 
 	static_host := app.static_hosts[asked_path] or { '' }

vlib/x/vweb/static_handler.v

@@ -104,7 +104,7 @@ pub fn (mut sh StaticHandler) serve_static(url string, file_path string) ! {
 // `url` is the access path on the site, `file_path` is the real path to the file
 // `host` is the host to serve the file from
 pub fn (mut sh StaticHandler) host_serve_static(host string, url string, file_path string) ! {
-	ext := os.file_ext(file_path)
+	ext := os.file_ext(file_path).to_lower()
 
 	// Rudimentary guard against adding files not in mime_types.
 	if ext !in sh.static_mime_types && ext !in mime_types {

vlib/x/vweb/tests/static_handler_test.v

@@ -119,3 +119,10 @@ fn test_custom_folder_mount() {
 	assert x.status() == .ok
 	assert x.body == 'root'
 }
+
+fn test_upper_case_mime_type() {
+	x := http.get('${localserver}/upper_case.TXT')!
+
+	assert x.status() == .ok
+	assert x.body == 'body'
+}

vlib/x/vweb/tests/testdata/upper_case.TXT

@@ -0,0 +1 @@
+body

vlib/x/vweb/vweb.v

@@ -981,7 +981,7 @@ fn serve_if_static[A, X](app &A, mut user_context X, url urllib.URL, host string
 	static_file := app.static_files[asked_path] or { return false }
 
 	// StaticHandler ensures that the mime type exists on either the App or in vweb
-	ext := os.file_ext(static_file)
+	ext := os.file_ext(static_file).to_lower()
 	mut mime_type := app.static_mime_types[ext] or { mime_types[ext] }
 
 	static_host := app.static_hosts[asked_path] or { '' }