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-rw-r--r--lib/inets/src/http_server/mod_esi.erl137
1 files changed, 56 insertions, 81 deletions
diff --git a/lib/inets/src/http_server/mod_esi.erl b/lib/inets/src/http_server/mod_esi.erl
index b21af1418c..9fbedce6aa 100644
--- a/lib/inets/src/http_server/mod_esi.erl
+++ b/lib/inets/src/http_server/mod_esi.erl
@@ -31,7 +31,6 @@
-include("httpd.hrl").
-include("httpd_internal.hrl").
--include("inets_internal.hrl").
-define(VMODULE,"ESI").
-define(DEFAULT_ERL_TIMEOUT,15000).
@@ -69,7 +68,6 @@ deliver(_SessionID, _Data) ->
%% Description: See httpd(3) ESWAPI CALLBACK FUNCTIONS
%%-------------------------------------------------------------------------
do(ModData) ->
- ?hdrt("do", []),
case proplists:get_value(status, ModData#mod.data) of
{_StatusCode, _PhraseArgs, _Reason} ->
{proceed, ModData#mod.data};
@@ -190,7 +188,6 @@ store({erl_script_nocache, Value}, _) ->
%%% Internal functions
%%%========================================================================
generate_response(ModData) ->
- ?hdrt("generate response", []),
case scheme(ModData#mod.request_uri, ModData#mod.config_db) of
{eval, ESIBody, Modules} ->
eval(ModData, ESIBody, Modules);
@@ -242,7 +239,6 @@ alias_match_str(Alias, eval_script_alias) ->
erl(#mod{method = Method} = ModData, ESIBody, Modules)
when (Method =:= "GET") orelse (Method =:= "HEAD") orelse (Method =:= "DELETE") ->
- ?hdrt("erl", [{method, Method}]),
case httpd_util:split(ESIBody,":|%3A|/",2) of
{ok, [ModuleName, FuncAndInput]} ->
case httpd_util:split(FuncAndInput,"[\?/]",2) of
@@ -273,14 +269,12 @@ erl(#mod{method = "PUT", entity_body = Body} = ModData,
generate_webpage(ModData, ESIBody, Modules,
list_to_atom(ModuleName),
FunctionName, {Input,Body},
- [{entity_body, Body} |
- script_elements(FuncAndInput, Input)]);
+ script_elements(FuncAndInput, Input));
{ok, [FunctionName]} ->
generate_webpage(ModData, ESIBody, Modules,
list_to_atom(ModuleName),
FunctionName, {undefined,Body},
- [{entity_body, Body} |
- script_elements(FuncAndInput, "")]);
+ script_elements(FuncAndInput, ""));
{ok, BadRequest} ->
{proceed,[{status,{400,none, BadRequest}} |
ModData#mod.data]}
@@ -290,12 +284,11 @@ erl(#mod{method = "PUT", entity_body = Body} = ModData,
end;
erl(#mod{method = "POST", entity_body = Body} = ModData, ESIBody, Modules) ->
- ?hdrt("erl", [{method, post}]),
case httpd_util:split(ESIBody,":|%3A|/",2) of
{ok,[ModuleName, Function]} ->
generate_webpage(ModData, ESIBody, Modules,
list_to_atom(ModuleName),
- Function, Body, [{entity_body, Body}]);
+ Function, Body, []);
{ok, BadRequest} ->
{proceed,[{status, {400, none, BadRequest}} | ModData#mod.data]}
end;
@@ -304,7 +297,6 @@ erl(#mod{request_uri = ReqUri,
method = "PATCH",
http_version = Version,
data = Data}, _ESIBody, _Modules) ->
- ?hdrt("erl", [{method, patch}]),
{proceed, [{status,{501,{"PATCH", ReqUri, Version},
?NICE("Erl mechanism doesn't support method PATCH")}}|
Data]}.
@@ -315,7 +307,6 @@ generate_webpage(ModData, ESIBody, [all], Module, FunctionName,
FunctionName, Input, ScriptElements);
generate_webpage(ModData, ESIBody, Modules, Module, FunctionName,
Input, ScriptElements) ->
- ?hdrt("generate webpage", []),
Function = list_to_atom(FunctionName),
case lists:member(Module, Modules) of
true ->
@@ -337,7 +328,6 @@ generate_webpage(ModData, ESIBody, Modules, Module, FunctionName,
%% Old API that waits for the dymnamic webpage to be totally generated
%% before anythig is sent back to the client.
erl_scheme_webpage_whole(Mod, Func, Env, Input, ModData) ->
- ?hdrt("erl_scheme_webpage_whole", [{module, Mod}, {function, Func}]),
case (catch Mod:Func(Env, Input)) of
{'EXIT',{undef, _}} ->
{proceed, [{status, {404, ModData#mod.request_uri, "Not found"}}
@@ -349,33 +339,27 @@ erl_scheme_webpage_whole(Mod, Func, Env, Input, ModData) ->
{Headers, Body} =
httpd_esi:parse_headers(lists:flatten(Response)),
Length = httpd_util:flatlength(Body),
- case httpd_esi:handle_headers(Headers) of
- {proceed, AbsPath} ->
- {proceed, [{real_name, httpd_util:split_path(AbsPath)}
- | ModData#mod.data]};
- {ok, NewHeaders, StatusCode} ->
- send_headers(ModData, StatusCode,
- [{"content-length",
- integer_to_list(Length)}| NewHeaders]),
- case ModData#mod.method of
- "HEAD" ->
- {proceed, [{response, {already_sent, 200, 0}} |
- ModData#mod.data]};
- _ ->
- httpd_response:send_body(ModData,
- StatusCode, Body),
- {proceed, [{response, {already_sent, 200,
- Length}} |
- ModData#mod.data]}
- end
- end
+ {ok, NewHeaders, StatusCode} = httpd_esi:handle_headers(Headers),
+ send_headers(ModData, StatusCode,
+ [{"content-length",
+ integer_to_list(Length)}| NewHeaders]),
+ case ModData#mod.method of
+ "HEAD" ->
+ {proceed, [{response, {already_sent, 200, 0}} |
+ ModData#mod.data]};
+ _ ->
+ httpd_response:send_body(ModData,
+ StatusCode, Body),
+ {proceed, [{response, {already_sent, 200,
+ Length}} |
+ ModData#mod.data]}
+ end
end.
%% New API that allows the dynamic wepage to be sent back to the client
%% in small chunks at the time during generation.
erl_scheme_webpage_chunk(Mod, Func, Env, Input, ModData) ->
process_flag(trap_exit, true),
- ?hdrt("erl_scheme_webpage_chunk", [{module, Mod}, {function, Func}]),
Self = self(),
%% Spawn worker that generates the webpage.
%% It would be nicer to use erlang:function_exported/3 but if the
@@ -386,7 +370,9 @@ erl_scheme_webpage_chunk(Mod, Func, Env, Input, ModData) ->
{'EXIT', {undef,_}} ->
%% Will force fallback on the old API
exit(erl_scheme_webpage_chunk_undefined);
- _ ->
+ {continue, _} = Continue ->
+ exit(Continue);
+ _ ->
ok
end
end),
@@ -400,38 +386,39 @@ deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid) ->
deliver_webpage_chunk(ModData, Pid, Timeout).
deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid, Timeout) ->
- ?hdrt("deliver_webpage_chunk", [{timeout, Timeout}]),
case receive_headers(Timeout) of
{error, Reason} ->
%% Happens when webpage generator callback/3 is undefined
- ?hdrv("deliver_webpage_chunk - failed receiving headers",
- [{reason, Reason}]),
{error, Reason};
+ {continue, _} = Continue ->
+ Continue;
{Headers, Body} ->
- case httpd_esi:handle_headers(Headers) of
- {proceed, AbsPath} ->
- {proceed, [{real_name, httpd_util:split_path(AbsPath)}
- | ModData#mod.data]};
- {ok, NewHeaders, StatusCode} ->
- IsDisableChunkedSend =
- httpd_response:is_disable_chunked_send(Db),
- case (ModData#mod.http_version =/= "HTTP/1.1") or
- (IsDisableChunkedSend) of
- true ->
- send_headers(ModData, StatusCode,
- [{"connection", "close"} |
- NewHeaders]);
- false ->
- send_headers(ModData, StatusCode,
- [{"transfer-encoding",
- "chunked"} | NewHeaders])
- end,
- handle_body(Pid, ModData, Body, Timeout, length(Body),
- IsDisableChunkedSend)
- end;
- timeout ->
- ?hdrv("deliver_webpage_chunk - timeout", []),
- send_headers(ModData, 504, [{"connection", "close"}]),
+ {ok, NewHeaders, StatusCode} = httpd_esi:handle_headers(Headers),
+ %% All 1xx (informational), 204 (no content), and 304 (not modified)
+ %% responses MUST NOT include a message-body, and thus are always
+ %% terminated by the first empty line after the header fields.
+ %% This implies that chunked encoding MUST NOT be used for these
+ %% status codes.
+ IsDisableChunkedSend =
+ httpd_response:is_disable_chunked_send(Db) orelse
+ StatusCode =:= 204 orelse %% No Content
+ StatusCode =:= 304 orelse %% Not Modified
+ (100 =< StatusCode andalso StatusCode =< 199), %% Informational
+ case (ModData#mod.http_version =/= "HTTP/1.1") or
+ (IsDisableChunkedSend) of
+ true ->
+ send_headers(ModData, StatusCode,
+ [{"connection", "close"} |
+ NewHeaders]);
+ false ->
+ send_headers(ModData, StatusCode,
+ [{"transfer-encoding",
+ "chunked"} | NewHeaders])
+ end,
+ handle_body(Pid, ModData, Body, Timeout, length(Body),
+ IsDisableChunkedSend);
+ timeout ->
+ send_headers(ModData, 504, [{"connection", "close"}]),
httpd_socket:close(ModData#mod.socket_type, ModData#mod.socket),
{proceed,[{response, {already_sent, 200, 0}} | ModData#mod.data]}
end.
@@ -439,16 +426,14 @@ deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid, Timeout) ->
receive_headers(Timeout) ->
receive
{esi_data, Chunk} ->
- ?hdrt("receive_headers - received esi data (esi)", []),
httpd_esi:parse_headers(lists:flatten(Chunk));
{ok, Chunk} ->
- ?hdrt("receive_headers - received esi data (ok)", []),
httpd_esi:parse_headers(lists:flatten(Chunk));
{'EXIT', Pid, erl_scheme_webpage_chunk_undefined} when is_pid(Pid) ->
- ?hdrd("receive_headers - exit:chunk-undef", []),
{error, erl_scheme_webpage_chunk_undefined};
- {'EXIT', Pid, Reason} when is_pid(Pid) ->
- ?hdrv("receive_headers - exit", [{reason, Reason}]),
+ {'EXIT', Pid, {continue, _} = Continue} when is_pid(Pid) ->
+ Continue;
+ {'EXIT', Pid, Reason} when is_pid(Pid) ->
exit({mod_esi_linked_process_died, Pid, Reason})
after Timeout ->
timeout
@@ -463,7 +448,6 @@ handle_body(_, #mod{method = "HEAD"} = ModData, _, _, Size, _) ->
{proceed, [{response, {already_sent, 200, Size}} | ModData#mod.data]};
handle_body(Pid, ModData, Body, Timeout, Size, IsDisableChunkedSend) ->
- ?hdrt("handle_body - send chunk", [{timeout, Timeout}, {size, Size}]),
httpd_response:send_chunk(ModData, Body, IsDisableChunkedSend),
receive
{esi_data, Data} when is_binary(Data) ->
@@ -543,7 +527,6 @@ eval(#mod{request_uri = ReqUri,
method = "PUT",
http_version = Version,
data = Data}, _ESIBody, _Modules) ->
- ?hdrt("eval", [{method, put}]),
{proceed,[{status,{501,{"PUT", ReqUri, Version},
?NICE("Eval mechanism doesn't support method PUT")}}|
Data]};
@@ -552,7 +535,6 @@ eval(#mod{request_uri = ReqUri,
method = "DELETE",
http_version = Version,
data = Data}, _ESIBody, _Modules) ->
- ?hdrt("eval", [{method, delete}]),
{proceed,[{status,{501,{"DELETE", ReqUri, Version},
?NICE("Eval mechanism doesn't support method DELETE")}}|
Data]};
@@ -561,14 +543,12 @@ eval(#mod{request_uri = ReqUri,
method = "POST",
http_version = Version,
data = Data}, _ESIBody, _Modules) ->
- ?hdrt("eval", [{method, post}]),
{proceed,[{status,{501,{"POST", ReqUri, Version},
?NICE("Eval mechanism doesn't support method POST")}}|
Data]};
eval(#mod{method = Method} = ModData, ESIBody, Modules)
when (Method =:= "GET") orelse (Method =:= "HEAD") ->
- ?hdrt("eval", [{method, Method}]),
case is_authorized(ESIBody, Modules) of
true ->
case generate_webpage(ESIBody) of
@@ -578,15 +558,10 @@ eval(#mod{method = Method} = ModData, ESIBody, Modules)
{ok, Response} ->
{Headers, _} =
httpd_esi:parse_headers(lists:flatten(Response)),
- case httpd_esi:handle_headers(Headers) of
- {ok, _, StatusCode} ->
- {proceed,[{response, {StatusCode, Response}} |
- ModData#mod.data]};
- {proceed, AbsPath} ->
- {proceed, [{real_name, AbsPath} |
- ModData#mod.data]}
- end
- end;
+ {ok, _, StatusCode} =httpd_esi:handle_headers(Headers),
+ {proceed,[{response, {StatusCode, Response}} |
+ ModData#mod.data]}
+ end;
false ->
{proceed,[{status,
{403, ModData#mod.request_uri,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-15 01:58:28 +0000