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path: root/lib/inets/test/httpd_basic_SUITE.erl
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%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 2007-2014. All Rights Reserved.
%% 
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%% 
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%% 
%% %CopyrightEnd%
%%
%%
-module(httpd_basic_SUITE).

-include_lib("kernel/include/file.hrl").
-include_lib("common_test/include/ct.hrl").
-include("inets_test_lib.hrl").


%% Note: This directive should only be used in test suites.
-compile(export_all).

-define(URL_START, "http://localhost:").

suite() -> [{ct_hooks,[ts_install_cth]}].

all() -> 
    [
     uri_too_long_414, 
     header_too_long_413,
     erl_script_nocache_opt,
     script_nocache,
     escaped_url_in_error_body,
     script_timeout,
     slowdose,
     keep_alive_timeout
    ].

groups() -> 
    [].

init_per_group(_GroupName, Config) ->
    Config.

end_per_group(_GroupName, Config) ->
    Config.


%%--------------------------------------------------------------------
%% Function: init_per_suite(Config) -> Config
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%% Description: Initiation before the whole suite
%%
%% Note: This function is free to add any key/value pairs to the Config
%% variable, but should NOT alter/remove any existing entries.
%%--------------------------------------------------------------------
init_per_suite(Config) ->
    tsp("init_per_suite -> entry with"
	"~n   Config: ~p", [Config]),
    inets_test_lib:stop_apps([inets]),
    inets_test_lib:start_apps([inets]),
    PrivDir = ?config(priv_dir, Config),
    DataDir = ?config(data_dir, Config),

    Dummy = 
"<HTML>
<HEAD>
<TITLE>/index.html</TITLE>
</HEAD>
<BODY>
DUMMY
</BODY>
</HTML>",

    DummyFile = filename:join([PrivDir,"dummy.html"]),
    CgiDir =  filename:join(PrivDir, "cgi-bin"),
    ok = file:make_dir(CgiDir),
    {CgiPrintEnv, CgiSleep} = case test_server:os_type() of
				  {win32, _} ->
				      {"printenv.bat", "cgi_sleep.exe"};
				  _ ->
				      {"printenv.sh", "cgi_sleep"}
			      end,
    lists:foreach(
      fun(Cgi) ->
	      inets_test_lib:copy_file(Cgi, DataDir, CgiDir),
	      AbsCgi = filename:join([CgiDir, Cgi]),
	      {ok, FileInfo} = file:read_file_info(AbsCgi),
	      ok = file:write_file_info(AbsCgi, FileInfo#file_info{mode = 8#00755})
      end, [CgiPrintEnv, CgiSleep]),
    {ok, Fd}  = file:open(DummyFile, [write]),
    ok        = file:write(Fd, Dummy),
    ok        = file:close(Fd), 
    HttpdConf = [{port,          0}, 
		 {ipfamily,      inet}, 
		 {server_name,   "httpd_test"}, 
		 {server_root,   PrivDir},
		 {document_root, PrivDir}, 
		 {bind_address,  "localhost"}],

    [{httpd_conf, HttpdConf}, {cgi_dir, CgiDir},
     {cgi_printenv, CgiPrintEnv}, {cgi_sleep, CgiSleep} |  Config].

%%--------------------------------------------------------------------
%% Function: end_per_suite(Config) -> _
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%% Description: Cleanup after the whole suite
%%--------------------------------------------------------------------
end_per_suite(_Config) ->
    tsp("end_per_suite -> entry with"
	"~n   Config: ~p", [_Config]),
    inets:stop(),
    ok.

%%--------------------------------------------------------------------
%% Function: init_per_testcase(Case, Config) -> Config
% Case - atom()
%%   Name of the test case that is about to be run.
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%%
%% Description: Initiation before each test case
%%
%% Note: This function is free to add any key/value pairs to the Config
%% variable, but should NOT alter/remove any existing entries.
%%--------------------------------------------------------------------
init_per_testcase(Case, Config) ->
    tsp("init_per_testcase(~w) -> entry with"
	"~n   Config: ~p", [Case, Config]),
    Config.


%%--------------------------------------------------------------------
%% Function: end_per_testcase(Case, Config) -> _
%% Case - atom()
%%   Name of the test case that is about to be run.
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%% Description: Cleanup after each test case
%%--------------------------------------------------------------------
end_per_testcase(Case, Config) ->
    tsp("end_per_testcase(~w) -> entry with"
	"~n   Config: ~p", [Case, Config]),
    Config.


%%-------------------------------------------------------------------------
%% Test cases starts here.
%%-------------------------------------------------------------------------
uri_too_long_414(doc) ->
    ["Test that too long uri's get 414 HTTP code"];
uri_too_long_414(suite) ->
    [];
uri_too_long_414(Config) when is_list(Config) ->
    HttpdConf =   ?config(httpd_conf, Config),    
    {ok, Pid} = inets:start(httpd, [{port, 0}, {max_uri_size, 10} 
				    | HttpdConf]),
    Info = httpd:info(Pid),
    Port = proplists:get_value(port, Info),
    Address = proplists:get_value(bind_address, Info),
    ok = httpd_test_lib:verify_request(ip_comm, Address, Port, node(), 
 				       "GET /morethantenchars "
 				       "HTTP/1.1\r\n\r\n",
 				       [{statuscode, 414},
					%% Server will send lowest version
					%% as it will not get to the 
					%% client version
					%% before aborting
 				        {version, "HTTP/0.9"}]),    
    inets:stop(httpd, Pid).
    

%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------

header_too_long_413(doc) ->
    ["Test that too long headers's get 413 HTTP code"];
header_too_long_413(suite) ->
    [];
header_too_long_413(Config) when is_list(Config) ->
    HttpdConf = ?config(httpd_conf, Config), 
    {ok, Pid} = inets:start(httpd, [{port, 0}, {max_header_size, 10}
				    | HttpdConf]),
    Info = httpd:info(Pid),
    Port = proplists:get_value(port, Info),
    Address = proplists:get_value(bind_address, Info),
    ok = httpd_test_lib:verify_request(ip_comm, Address, Port, node(), 
 				       "GET index.html "
 				       "HTTP/1.1\r\n"
				       "Connection:close \r\n\r\n ",
 				       [{statuscode, 413},
 				        {version, "HTTP/1.1"}]),
    inets:stop(httpd, Pid).
   
%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------

erl_script_nocache_opt(doc) ->
    ["Test that too long headers's get 413 HTTP code"];
erl_script_nocache_opt(suite) ->
    [];
erl_script_nocache_opt(Config) when is_list(Config) ->
    HttpdConf   = ?config(httpd_conf, Config),
    {ok, Pid}   = inets:start(httpd, [{port, 0}, {erl_script_nocache, true} | HttpdConf]),
    Info        = httpd:info(Pid),
    Port        = proplists:get_value(port,         Info),
    _Address    = proplists:get_value(bind_address, Info),
    URL1        = ?URL_START ++ integer_to_list(Port),
    case httpc:request(get, {URL1 ++ "/dummy.html", []},
		       [{url_encode,  false},
			{version,     "HTTP/1.0"}],
		       [{full_result, false}]) of
	{ok, {200, _}} ->
	    ok
    end,
    inets:stop(httpd, Pid).

%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------

script_nocache(doc) ->
    ["Test nocache option for mod_cgi and mod_esi"];
script_nocache(suite) ->
    [];
script_nocache(Config) when is_list(Config) ->
    Normal = {no_header, "cache-control"},
    NoCache = {header, "cache-control", "no-cache"},
    verify_script_nocache(Config, false, false, Normal, Normal),
    verify_script_nocache(Config, true, false, NoCache, Normal),
    verify_script_nocache(Config, false, true, Normal, NoCache),
    verify_script_nocache(Config, true, true, NoCache, NoCache),
    ok.

verify_script_nocache(Config, CgiNoCache, EsiNoCache, CgiOption, EsiOption) ->
    HttpdConf = ?config(httpd_conf, Config),
    CgiScript = ?config(cgi_printenv, Config),
    CgiDir = ?config(cgi_dir, Config),
    {ok, Pid} = inets:start(httpd, [{port, 0},
				    {script_alias,
				     {"/cgi-bin/", CgiDir ++ "/"}},
				    {script_nocache, CgiNoCache},
				    {erl_script_alias,
				     {"/cgi-bin/erl", [httpd_example,io]}},
				    {erl_script_nocache, EsiNoCache}
				    | HttpdConf]),
    Info = httpd:info(Pid),
    Port = proplists:get_value(port, Info),
    Address = proplists:get_value(bind_address, Info),
    ok = httpd_test_lib:verify_request(ip_comm, Address, Port, node(),
				       "GET /cgi-bin/" ++ CgiScript ++
					   " HTTP/1.0\r\n\r\n",
				       [{statuscode, 200},
					CgiOption,
					{version, "HTTP/1.0"}]),
    ok = httpd_test_lib:verify_request(ip_comm, Address, Port, node(),
				       "GET /cgi-bin/erl/httpd_example:get "
				       "HTTP/1.0\r\n\r\n",
				       [{statuscode, 200},
					EsiOption,
					{version, "HTTP/1.0"}]),
    inets:stop(httpd, Pid).


%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------

escaped_url_in_error_body(doc) ->
    ["Test Url-encoding see OTP-8940"];
escaped_url_in_error_body(suite) ->
    [];
escaped_url_in_error_body(Config) when is_list(Config) ->
    %% <CONDITIONAL-SKIP>
    %% This skip is due to a problem on windows with long path's
    %% If a path is too long file:open fails with, for example, eio.
    %% Until that problem is fixed, we skip this case...
    Skippable = [win32],
    Condition = fun() -> ?OS_BASED_SKIP(Skippable) end,
    ?NON_PC_TC_MAYBE_SKIP(Config, Condition),
    %% </CONDITIONAL-SKIP>

    tsp("escaped_url_in_error_body -> entry"),
    HttpdConf   = ?config(httpd_conf, Config),
    {ok, Pid}   = inets:start(httpd, [{port, 0} | HttpdConf]),
    Info        = httpd:info(Pid),
    Port        = proplists:get_value(port,         Info),
    _Address    = proplists:get_value(bind_address, Info),

    %% Request 1
    tss(1000), 
    tsp("escaped_url_in_error_body -> request 1"),
    URL1        = ?URL_START ++ integer_to_list(Port),
    %% Make sure the server is ok, by making a request for a valid page
    case httpc:request(get, {URL1 ++ "/dummy.html", []},
		       [{url_encode,  false}, 
			{version,     "HTTP/1.0"}],
		       [{full_result, false}]) of
	{ok, {200, _}} ->
	    %% Don't care about the the body, just that we get a ok response
	    ok;
	{ok, {StatusCode1, Body1}} ->
	    tsf({unexpected_ok_1, StatusCode1, Body1})
    end,

    %% Request 2
    tss(1000), 
    tsp("escaped_url_in_error_body -> request 2"),
    %% Make sure the server is ok, by making a request for a valid page
    case httpc:request(get, {URL1 ++ "/dummy.html", []},
		       [{url_encode,  true}, 
			{version,     "HTTP/1.0"}],
		       [{full_result, false}]) of
	{ok, {200, _}} ->
	    %% Don't care about the the body, just that we get a ok response
	    ok;
	{ok, {StatusCode2, Body2}} ->
	    tsf({unexpected_ok_2, StatusCode2, Body2})
    end,

    %% Request 3
    tss(1000), 
    tsp("escaped_url_in_error_body -> request 3"),
    %% Ask for a non-existing page(1)
    Path            = "/<b>this_is_bold<b>",
    HTMLEncodedPath = http_util:html_encode(Path),
    URL2            = URL1 ++ Path,
    case httpc:request(get, {URL2, []},
		       [{url_encode,  true}, 
			{version,     "HTTP/1.0"}],
		       [{full_result, false}]) of
	{ok, {404, Body3}} ->
	    case find_URL_path(string:tokens(Body3, " ")) of
		HTMLEncodedPath ->
		    ok;
		BadPath3 ->
		    tsf({unexpected_path_3, HTMLEncodedPath, BadPath3})
	    end;
	{ok, UnexpectedOK3} ->
	    tsf({unexpected_ok_3, UnexpectedOK3})
    end,

    %% Request 4
    tss(1000), 
    tsp("escaped_url_in_error_body -> request 4"),
    %% Ask for a non-existing page(2)
    case httpc:request(get, {URL2, []}, 
		       [{url_encode,  false}, 
			{version,     "HTTP/1.0"}],
		       [{full_result, false}]) of
	{ok, {404, Body4}} ->
	    case find_URL_path(string:tokens(Body4, " ")) of
		HTMLEncodedPath ->
		    ok;
		BadPath4 ->
		    tsf({unexpected_path_4, HTMLEncodedPath, BadPath4})
	    end;
	{ok, UnexpectedOK4} ->
	    tsf({unexpected_ok_4, UnexpectedOK4})
    end, 
    tss(1000), 
    tsp("escaped_url_in_error_body -> stop inets"),
    inets:stop(httpd, Pid),
    tsp("escaped_url_in_error_body -> done"),    
    ok.


%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------

keep_alive_timeout(doc) ->
    ["Test the keep_alive_timeout option"];
keep_alive_timeout(suite) ->
    [];
keep_alive_timeout(Config) when is_list(Config) ->
    HttpdConf   = ?config(httpd_conf, Config),
    {ok, Pid}   = inets:start(httpd, [{port, 0}, {keep_alive, true}, {keep_alive_timeout, 2} | HttpdConf]),
    Info        = httpd:info(Pid),
    Port        = proplists:get_value(port,         Info),
    _Address    = proplists:get_value(bind_address, Info),
    {ok, S} = gen_tcp:connect("localhost", Port, []),
    receive
    after 3000 ->
	    {error, closed} = gen_tcp:send(S, "hey")
    end,
    inets:stop(httpd, Pid).

%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------

script_timeout(doc) ->
    ["Test the httpd script_timeout option"];
script_timeout(suite) ->
    [];
script_timeout(Config) when is_list(Config) ->
    verify_script_timeout(Config, 20, 200),
    verify_script_timeout(Config, 5, 403),
    ok.

verify_script_timeout(Config, ScriptTimeout, StatusCode) ->
    HttpdConf = ?config(httpd_conf, Config),
    CgiScript = ?config(cgi_sleep, Config),
    CgiDir = ?config(cgi_dir, Config),
    {ok, Pid} = inets:start(httpd, [{port, 0},
				    {script_alias,
				     {"/cgi-bin/", CgiDir ++ "/"}},
				    {script_timeout, ScriptTimeout}
				    | HttpdConf]),
    Info = httpd:info(Pid),
    Port = proplists:get_value(port, Info),
    Address = proplists:get_value(bind_address, Info),
    ok = httpd_test_lib:verify_request(ip_comm, Address, Port, node(),
				       "GET /cgi-bin/" ++ CgiScript ++
					   " HTTP/1.0\r\n\r\n",
				       [{statuscode, StatusCode},
					{version, "HTTP/1.0"}]),
    inets:stop(httpd, Pid).


%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------

slowdose(doc) ->
    ["Testing minimum bytes per second option"];
slowdose(Config) when is_list(Config) ->
    HttpdConf =   ?config(httpd_conf, Config),
    {ok, Pid} = inets:start(httpd, [{port, 0}, {minimum_bytes_per_second, 200}|HttpdConf]),
    Info = httpd:info(Pid),
    Port = proplists:get_value(port, Info),
    {ok, Socket} = gen_tcp:connect("localhost", Port, []),
    receive
    after 6000 ->
	    {error, closed} = gen_tcp:send(Socket, "Hey")
    end.
find_URL_path([]) ->
    "";
find_URL_path(["URL", URL | _]) ->
    URL;
find_URL_path([_ | Rest]) ->
    find_URL_path(Rest).


tsp(F) ->
    inets_test_lib:tsp(F).
tsp(F, A) ->
    inets_test_lib:tsp(F, A).

tsf(Reason) ->
    inets_test_lib:tsf(Reason).

tss(Time) ->
    inets_test_lib:tss(Time).




skip(Reason) ->
    {skip, Reason}.