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Add UTF-8 support to example file_server

LH: I have fixed issues in the PR and incorporated changes
from a sister PR by @djankovic (git author: Dom J). I also
made sure the UTF-8 files were readable without Chinese
fonts and added their downloading to the examples test suite.
lin 2 years ago
parent
commit
4f26d6a573

+ 8 - 0
examples/file_server/priv/中文/中文.html

@@ -0,0 +1,8 @@
+<html>
+  <head>
+    <meta charset='utf-8'>
+  </head>
+  <body>
+    中文!
+  </body>
+</html>

+ 6 - 2
examples/file_server/src/directory_h.erl

@@ -8,6 +8,7 @@
 -export([allowed_methods/2]).
 -export([resource_exists/2]).
 -export([content_types_provided/2]).
+-export([charsets_provided/2]).
 
 %% Callback Callbacks
 -export([list_json/2]).
@@ -31,12 +32,15 @@ content_types_provided(Req, State) ->
 		{{<<"application">>, <<"json">>, []}, list_json}
 	], Req, State}.
 
+charsets_provided(Req, State) ->
+	{[<<"utf-8">>], Req, State}.
+
 list_json(Req, {Path, Fs}) ->
-	Files = [ <<(list_to_binary(F))/binary>> || F <- Fs ],
+	Files = [unicode:characters_to_binary(F) || F <- Fs],
 	{jsx:encode(Files), Req, Path}.
 
 list_html(Req, {Path, Fs}) ->
-	Body = [[ links(Path, F) || F <- [".."|Fs] ]],
+	Body = [[links(Path, unicode:characters_to_binary(F)) || F <- [".."|Fs]]],
 	HTML = [<<"<!DOCTYPE html><html><head><title>Index</title></head>",
 		"<body>">>, Body, <<"</body></html>\n">>],
 	{HTML, Req, Path}.

+ 2 - 1
examples/file_server/src/file_server_app.erl

@@ -15,7 +15,8 @@ start(_Type, _Args) ->
 		{'_', [
 			{"/[...]", cowboy_static, {priv_dir, file_server, "", [
 				{mimetypes, cow_mimetypes, all},
-				{dir_handler, directory_h}
+				{dir_handler, directory_h},
+				{charset, <<"utf-8">>}
 			]}}
 		]}
 	]),

+ 4 - 1
test/examples_SUITE.erl

@@ -372,13 +372,16 @@ file_server(Config) ->
 do_file_server(Transport, Protocol, Config) ->
 	%% Directory.
 	{200, DirHeaders, <<"<!DOCTYPE html><html>", _/bits >>} = do_get(Transport, Protocol, "/", Config),
-	{_, <<"text/html">>} = lists:keyfind(<<"content-type">>, 1, DirHeaders),
+	{_, <<"text/html; charset=utf-8">>} = lists:keyfind(<<"content-type">>, 1, DirHeaders),
 	_ = do_rest_get(Transport, Protocol, "/", <<"application/json">>, undefined, Config),
 	%% Files.
 	{200, _, _} = do_get(Transport, Protocol, "/small.mp4", Config),
 	{200, _, _} = do_get(Transport, Protocol, "/small.ogv", Config),
 	{200, _, _} = do_get(Transport, Protocol, "/test.txt", Config),
 	{200, _, _} = do_get(Transport, Protocol, "/video.html", Config),
+	{200, _, _} = do_get(Transport, Protocol,
+		["/", cow_uri:urlencode(<<"中文"/utf8>>), "/", cow_uri:urlencode(<<"中文.html"/utf8>>)],
+		Config),
 	ok.
 
 %% Markdown middleware.