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-rw-r--r--lib/inets/src/http_client/httpc_response.erl225
1 files changed, 162 insertions, 63 deletions
diff --git a/lib/inets/src/http_client/httpc_response.erl b/lib/inets/src/http_client/httpc_response.erl
index 91638f5d2e..92dc9b0e02 100644
--- a/lib/inets/src/http_client/httpc_response.erl
+++ b/lib/inets/src/http_client/httpc_response.erl
@@ -83,7 +83,6 @@ whole_body(Body, Length) ->
%% result(Response, Request) ->
%% Response - {StatusLine, Headers, Body}
%% Request - #request{}
-%% Session - #tcp_session{}
%%
%% Description: Checks the status code ...
%%-------------------------------------------------------------------------
@@ -190,7 +189,7 @@ parse_status_code(<<?CR, ?LF, Rest/binary>>, StatusCodeStr,
MaxHeaderSize, Result, true) ->
parse_headers(Rest, [], [], MaxHeaderSize,
[" ", list_to_integer(lists:reverse(
- string:strip(StatusCodeStr)))
+ string:trim(StatusCodeStr)))
| Result], true);
parse_status_code(<<?SP, Rest/binary>>, StatusCodeStr,
@@ -377,58 +376,173 @@ status_server_error_50x(Response, Request) ->
{stop, {Request#request.id, Msg}}.
-redirect(Response = {StatusLine, Headers, Body}, Request) ->
+redirect(Response = {_, Headers, _}, Request) ->
{_, Data} = format_response(Response),
case Headers#http_response_h.location of
- undefined ->
- transparent(Response, Request);
- RedirUrl ->
- UrlParseOpts = [{ipv6_host_with_brackets,
- Request#request.ipv6_host_with_brackets}],
- case uri_parse(RedirUrl, UrlParseOpts) of
- {error, no_scheme} when
- (Request#request.settings)#http_options.relaxed ->
- NewLocation = fix_relative_uri(Request, RedirUrl),
- redirect({StatusLine, Headers#http_response_h{
- location = NewLocation},
- Body}, Request);
- {error, Reason} ->
- {ok, error(Request, Reason), Data};
- %% Automatic redirection
- {ok, {Scheme, _, Host, Port, Path, Query}} ->
- HostPort = http_request:normalize_host(Scheme, Host, Port),
- NewHeaders =
- (Request#request.headers)#http_request_h{host = HostPort},
- NewRequest =
- Request#request{redircount =
- Request#request.redircount+1,
- scheme = Scheme,
- headers = NewHeaders,
- address = {Host,Port},
- path = Path,
- pquery = Query,
- abs_uri =
- atom_to_list(Scheme) ++ "://" ++
- Host ++ ":" ++
- integer_to_list(Port) ++
- Path ++ Query},
- {redirect, NewRequest, Data}
- end
+ undefined ->
+ transparent(Response, Request);
+ RedirUrl ->
+ Brackets = Request#request.ipv6_host_with_brackets,
+ case uri_string:parse(RedirUrl) of
+ {error, Reason, _} ->
+ {ok, error(Request, Reason), Data};
+ %% Automatic redirection
+ URI ->
+ {Host, Port0} = Request#request.address,
+ Port = maybe_to_integer(Port0),
+ Path = Request#request.path,
+ Scheme = atom_to_list(Request#request.scheme),
+ Query = Request#request.pquery,
+ URIMap = resolve_uri(Scheme, Host, Port, Path, Query, URI),
+ TScheme = list_to_atom(maps:get(scheme, URIMap)),
+ THost = http_util:maybe_add_brackets(maps:get(host, URIMap), Brackets),
+ TPort = maps:get(port, URIMap),
+ TPath = maps:get(path, URIMap),
+ TQuery = maps:get(query, URIMap, ""),
+ NewURI = uri_string:normalize(
+ uri_string:recompose(URIMap)),
+ HostPort = http_request:normalize_host(TScheme, THost, TPort),
+ NewHeaders =
+ (Request#request.headers)#http_request_h{host = HostPort},
+ NewRequest =
+ Request#request{redircount =
+ Request#request.redircount+1,
+ scheme = TScheme,
+ headers = NewHeaders,
+ address = {THost,TPort},
+ path = TPath,
+ pquery = TQuery,
+ abs_uri = NewURI},
+ {redirect, NewRequest, Data}
+ end
+ end.
+
+
+%% RFC3986 - 5.2.2. Transform References
+resolve_uri(Scheme, Host, Port, Path, Query, URI) ->
+ resolve_uri(Scheme, Host, Port, Path, Query, URI, #{}).
+%%
+resolve_uri(Scheme, Host, Port, Path, Query, URI, Map0) ->
+ case maps:is_key(scheme, URI) of
+ true ->
+ Port = get_port(URI),
+ maybe_add_query(
+ Map0#{scheme => maps:get(scheme, URI),
+ host => maps:get(host, URI),
+ port => Port,
+ path => maps:get(path, URI)},
+ URI);
+ false ->
+ Map = Map0#{scheme => Scheme},
+ resolve_authority(Host, Port, Path, Query, URI, Map)
+ end.
+
+
+get_port(URI) ->
+ Scheme = maps:get(scheme, URI),
+ case maps:get(port, URI, undefined) of
+ undefined ->
+ get_default_port(Scheme);
+ Port ->
+ Port
+ end.
+
+
+get_default_port("http") ->
+ 80;
+get_default_port("https") ->
+ 443.
+
+
+resolve_authority(Host, Port, Path, Query, RelURI, Map) ->
+ case maps:is_key(host, RelURI) of
+ true ->
+ Port = get_port(RelURI),
+ maybe_add_query(
+ Map#{host => maps:get(host, RelURI),
+ port => Port,
+ path => maps:get(path, RelURI)},
+ RelURI);
+ false ->
+ Map1 = Map#{host => Host,
+ port => Port},
+ resolve_path(Path, Query, RelURI, Map1)
+ end.
+
+
+maybe_add_query(Map, RelURI) ->
+ case maps:is_key(query, RelURI) of
+ true ->
+ Map#{query => maps:get(query, RelURI)};
+ false ->
+ Map
+ end.
+
+
+resolve_path(Path, Query, RelURI, Map) ->
+ case maps:is_key(path, RelURI) of
+ true ->
+ Path1 = calculate_path(Path, maps:get(path, RelURI)),
+ maybe_add_query(
+ Map#{path => Path1},
+ RelURI);
+ false ->
+ Map1 = Map#{path => Path},
+ resolve_query(Query, RelURI, Map1)
+ end.
+
+
+calculate_path(BaseP, RelP) ->
+ case starts_with_slash(RelP) of
+ true ->
+ RelP;
+ false ->
+ merge_paths(BaseP, RelP)
+ end.
+
+
+starts_with_slash([$/|_]) ->
+ true;
+starts_with_slash(<<$/,_/binary>>) ->
+ true;
+starts_with_slash(_) ->
+ false.
+
+
+%% RFC3986 - 5.2.3. Merge Paths
+merge_paths("", RelP) ->
+ [$/|RelP];
+merge_paths(BaseP, RelP) when is_list(BaseP) ->
+ do_merge_paths(lists:reverse(BaseP), RelP);
+merge_paths(BaseP, RelP) when is_binary(BaseP) ->
+ B = binary_to_list(BaseP),
+ R = binary_to_list(RelP),
+ Res = merge_paths(B, R),
+ list_to_binary(Res).
+
+
+do_merge_paths([$/|_] = L, RelP) ->
+ lists:reverse(L) ++ RelP;
+do_merge_paths([_|T], RelP) ->
+ do_merge_paths(T, RelP).
+
+
+resolve_query(Query, RelURI, Map) ->
+ case maps:is_key(query, RelURI) of
+ true ->
+ Map#{query => maps:get(query, RelURI)};
+ false ->
+ Map#{query => Query}
end.
-maybe_to_list(Port) when is_integer(Port) ->
- integer_to_list(Port);
-maybe_to_list(Port) when is_list(Port) ->
+
+maybe_to_integer(Port) when is_list(Port) ->
+ {Port1, _} = string:to_integer(Port),
+ Port1;
+maybe_to_integer(Port) when is_integer(Port) ->
Port.
-%%% Guessing that we received a relative URI, fix it to become an absoluteURI
-fix_relative_uri(Request, RedirUrl) ->
- {Server, Port0} = Request#request.address,
- Port = maybe_to_list(Port0),
- Path = Request#request.path,
- atom_to_list(Request#request.scheme) ++ "://" ++ Server ++ ":" ++ Port
- ++ Path ++ RedirUrl.
-
+
error(#request{id = Id}, Reason) ->
{Id, {error, Reason}}.
@@ -478,18 +592,3 @@ format_response({StatusLine, Headers, Body}) ->
{Body, <<>>}
end,
{{StatusLine, http_response:header_list(Headers), NewBody}, Data}.
-
-%%--------------------------------------------------------------------------
-%% These functions is just simple wrappers to parse specifically HTTP URIs
-%%--------------------------------------------------------------------------
-
-scheme_defaults() ->
- [{http, 80}, {https, 443}].
-
-uri_parse(URI, Opts) ->
- http_uri:parse(URI, [{scheme_defaults, scheme_defaults()} | Opts]).
-
-
-%%--------------------------------------------------------------------------
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 11:42:51 +0000