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-rw-r--r--src/cowboy_dispatcher.erl52
-rw-r--r--src/cowboy_http_protocol.erl48
-rw-r--r--src/cowboy_http_req.erl6
-rw-r--r--src/cowboy_http_websocket.erl18
4 files changed, 82 insertions, 42 deletions
diff --git a/src/cowboy_dispatcher.erl b/src/cowboy_dispatcher.erl
index 05faa38..4769da0 100644
--- a/src/cowboy_dispatcher.erl
+++ b/src/cowboy_dispatcher.erl
@@ -24,17 +24,20 @@
-export_type([bindings/0, path_tokens/0, dispatch_rules/0]).
+-include_lib("kernel/include/inet.hrl").
-include_lib("eunit/include/eunit.hrl").
%% API.
--spec split_host(Host::string()) -> Tokens::path_tokens().
+-spec split_host(Host::string())
+ -> {Tokens::path_tokens(), Host::string(), Port::undefined | ip_port()}.
split_host(Host) ->
- Host2 = case string:chr(Host, $:) of
- 0 -> Host;
- N -> lists:sublist(Host, N - 1)
- end,
- string:tokens(Host2, ".").
+ case string:chr(Host, $:) of
+ 0 -> {string:tokens(Host, "."), Host, undefined};
+ N ->
+ {Host2, [$:|Port]} = lists:split(N - 1, Host),
+ {string:tokens(Host2, "."), Host2, list_to_integer(Port)}
+ end.
-spec split_path(Path::string())
-> {Tokens::path_tokens(), Path::string(), Qs::string()}.
@@ -119,19 +122,38 @@ list_match([], [], Binds) ->
split_host_test_() ->
%% {Host, Result}
Tests = [
- {"", []},
- {".........", []},
- {"*", ["*"]},
- {"cowboy.dev-extend.eu", ["cowboy", "dev-extend", "eu"]},
- {"dev-extend..eu", ["dev-extend", "eu"]},
- {"dev-extend.eu", ["dev-extend", "eu"]},
- {"dev-extend.eu:8080", ["dev-extend", "eu"]},
+ {"", {[], "", undefined}},
+ {".........", {[], ".........", undefined}},
+ {"*", {["*"], "*", undefined}},
+ {"cowboy.dev-extend.eu", {["cowboy", "dev-extend", "eu"],
+ "cowboy.dev-extend.eu", undefined}},
+ {"dev-extend..eu",
+ {["dev-extend", "eu"], "dev-extend..eu", undefined}},
+ {"dev-extend.eu", {["dev-extend", "eu"], "dev-extend.eu", undefined}},
+ {"dev-extend.eu:8080", {["dev-extend", "eu"], "dev-extend.eu", 8080}},
{"a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z",
- ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
- "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]}
+ {["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
+ "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"],
+ "a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z", undefined}}
],
[{H, fun() -> R = split_host(H) end} || {H, R} <- Tests].
+split_host_fail_test_() ->
+ Tests = [
+ "dev-extend.eu:owns",
+ "dev-extend.eu: owns",
+ "dev-extend.eu:42fun",
+ "dev-extend.eu: 42fun",
+ "dev-extend.eu:42 fun",
+ "dev-extend.eu:fun 42",
+ "dev-extend.eu: 42",
+ ":owns",
+ ":42 fun"
+ ],
+ [{H, fun() -> case catch split_host(H) of
+ {'EXIT', _Reason} -> ok
+ end end} || H <- Tests].
+
split_path_test_() ->
%% {Path, Result, QueryString}
Tests = [
diff --git a/src/cowboy_http_protocol.erl b/src/cowboy_http_protocol.erl
index b68980d..602ea6a 100644
--- a/src/cowboy_http_protocol.erl
+++ b/src/cowboy_http_protocol.erl
@@ -89,8 +89,6 @@ request({http_error, _Any}, State) ->
error_terminate(400, State).
-spec wait_header(Req::#http_req{}, State::#state{}) -> ok.
-%% @todo We don't want to wait T at each header...
-%% We want to wait T total until we reach the body.
wait_header(Req, State=#state{socket=Socket,
transport=Transport, timeout=T}) ->
case Transport:recv(Socket, 0, T) of
@@ -101,22 +99,19 @@ wait_header(Req, State=#state{socket=Socket,
-spec header({http_header, I::integer(), Field::http_header(), R::term(),
Value::string()} | http_eoh, Req::#http_req{}, State::#state{}) -> ok.
-header({http_header, _I, 'Host', _R, RawHost}, Req=#http_req{path=Path,
- host=undefined}, State=#state{dispatch=Dispatch}) ->
+header({http_header, _I, 'Host', _R, RawHost}, Req=#http_req{
+ transport=Transport, host=undefined}, State) ->
RawHost2 = string_to_lower(RawHost),
- Host = cowboy_dispatcher:split_host(RawHost2),
- %% @todo We probably want to filter the Host and Path here to allow
- %% things like url rewriting.
- case cowboy_dispatcher:match(Host, Path, Dispatch) of
- {ok, Handler, Opts, Binds} ->
- wait_header(Req#http_req{
- host=Host, raw_host=RawHost2, bindings=Binds,
- headers=[{'Host', RawHost2}|Req#http_req.headers]},
- State#state{handler={Handler, Opts}});
- {error, notfound, host} ->
- error_terminate(400, State);
- {error, notfound, path} ->
- error_terminate(404, State)
+ case catch cowboy_dispatcher:split_host(RawHost2) of
+ {Host, RawHost3, undefined} ->
+ Port = default_port(Transport:name()),
+ dispatch(Req#http_req{host=Host, raw_host=RawHost3, port=Port,
+ headers=[{'Host', RawHost3}|Req#http_req.headers]}, State);
+ {Host, RawHost3, Port} ->
+ dispatch(Req#http_req{host=Host, raw_host=RawHost3, port=Port,
+ headers=[{'Host', RawHost3}|Req#http_req.headers]}, State);
+ {'EXIT', _Reason} ->
+ error_terminate(400, State)
end;
%% Ignore Host headers if we already have it.
header({http_header, _I, 'Host', _R, _V}, Req, State) ->
@@ -137,6 +132,21 @@ header(http_eoh, Req, State) ->
header({http_error, _String}, _Req, State) ->
error_terminate(500, State).
+-spec dispatch(Req::#http_req{}, State::#state{}) -> ok.
+dispatch(Req=#http_req{host=Host, path=Path},
+ State=#state{dispatch=Dispatch}) ->
+ %% @todo We probably want to filter the Host and Path here to allow
+ %% things like url rewriting.
+ case cowboy_dispatcher:match(Host, Path, Dispatch) of
+ {ok, Handler, Opts, Binds} ->
+ wait_header(Req#http_req{bindings=Binds},
+ State#state{handler={Handler, Opts}});
+ {error, notfound, host} ->
+ error_terminate(400, State);
+ {error, notfound, path} ->
+ error_terminate(404, State)
+ end.
+
-spec handler_init(Req::#http_req{}, State::#state{}) -> ok.
handler_init(Req, State=#state{
transport=Transport, handler={Handler, Opts}}) ->
@@ -227,6 +237,10 @@ connection_to_atom(Connection) ->
_Any -> keepalive
end.
+-spec default_port(TransportName::atom()) -> 80 | 443.
+default_port(ssl) -> 443;
+default_port(_) -> 80.
+
%% More efficient implementation of string:to_lower.
%% We are excluding a few characters on purpose.
-spec string_to_lower(string()) -> string().
diff --git a/src/cowboy_http_req.erl b/src/cowboy_http_req.erl
index 569bb9b..f0fc15c 100644
--- a/src/cowboy_http_req.erl
+++ b/src/cowboy_http_req.erl
@@ -17,7 +17,7 @@
-export([
method/1, version/1, peer/1,
- host/1, raw_host/1,
+ host/1, raw_host/1, port/1,
path/1, raw_path/1,
qs_val/2, qs_val/3, qs_vals/1, raw_qs/1,
binding/2, binding/3, bindings/1,
@@ -63,6 +63,10 @@ host(Req) ->
raw_host(Req) ->
{Req#http_req.raw_host, Req}.
+-spec port(Req::#http_req{}) -> {Port::ip_port(), Req::#http_req{}}.
+port(Req) ->
+ {Req#http_req.port, Req}.
+
-spec path(Req::#http_req{})
-> {Path::cowboy_dispatcher:path_tokens(), Req::#http_req{}}.
path(Req) ->
diff --git a/src/cowboy_http_websocket.erl b/src/cowboy_http_websocket.erl
index 4cd24dc..0150a6f 100644
--- a/src/cowboy_http_websocket.erl
+++ b/src/cowboy_http_websocket.erl
@@ -81,9 +81,9 @@ upgrade_error(Req=#http_req{socket=Socket, transport=Transport}) ->
-spec websocket_handshake(State::#state{}, Req::#http_req{},
HandlerState::term()) -> ok.
websocket_handshake(State=#state{origin=Origin, challenge=Challenge},
- Req=#http_req{transport=Transport, raw_host=Host, raw_path=Path},
- HandlerState) ->
- Location = websocket_location(Transport:name(), Host, Path),
+ Req=#http_req{transport=Transport, raw_host=Host, port=Port,
+ raw_path=Path}, HandlerState) ->
+ Location = websocket_location(Transport:name(), Host, Port, Path),
{ok, Req2} = cowboy_http_req:reply(
"101 WebSocket Protocol Handshake",
[{"Connection", "Upgrade"},
@@ -94,12 +94,12 @@ websocket_handshake(State=#state{origin=Origin, challenge=Challenge},
handler_loop(State#state{messages=Transport:messages()},
Req2, HandlerState, <<>>).
--spec websocket_location(TransName::atom(), Host::string(), Path::string())
- -> string().
-websocket_location(ssl, Host, Path) ->
- "wss://" ++ Host ++ Path;
-websocket_location(_Any, Host, Path) ->
- "ws://" ++ Host ++ Path.
+-spec websocket_location(TransName::atom(), Host::string(),
+ Port::ip_port(), Path::string()) -> string().
+websocket_location(ssl, Host, Port, Path) ->
+ "wss://" ++ Host ++ ":" ++ integer_to_list(Port) ++ Path;
+websocket_location(_Any, Host, Port, Path) ->
+ "ws://" ++ Host ++ ":" ++ integer_to_list(Port) ++ Path.
-spec handler_loop(State::#state{}, Req::#http_req{},
HandlerState::term(), SoFar::binary()) -> ok.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 10:53:59 +0000