diff options
Diffstat (limited to 'lib/inets')
-rw-r--r-- | lib/inets/doc/src/notes.xml | 11 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_cookie.erl | 201 | ||||
-rw-r--r-- | lib/inets/test/httpc_cookie_SUITE.erl | 115 |
3 files changed, 221 insertions, 106 deletions
diff --git a/lib/inets/doc/src/notes.xml b/lib/inets/doc/src/notes.xml index 56257ebdd4..60559afc2e 100644 --- a/lib/inets/doc/src/notes.xml +++ b/lib/inets/doc/src/notes.xml @@ -56,12 +56,19 @@ <list> <item> - <p>[httpc] Parsing of expire date cookie should be more forgiving. + <p>[httpc] Parsing of a cookie expire date should be more forgiving. That is, if the parsing fails, the date should be ignored. - Also added support for (yet another) date format: "Tue Jan 01 08:00:01 2036 GMT". </p> + Also added support for (yet another) date format: + "Tue Jan 01 08:00:01 2036 GMT". </p> <p>Own Id: OTP-9433</p> </item> + <item> + <p>[httpc] Rewrote cookie parsing. Among other things solving + cookie processing from www.expedia.com. </p> + <p>Own Id: OTP-9434</p> + </item> + </list> </section> diff --git a/lib/inets/src/http_client/httpc_cookie.erl b/lib/inets/src/http_client/httpc_cookie.erl index e6e6c8cc81..1f4dd093d0 100644 --- a/lib/inets/src/http_client/httpc_cookie.erl +++ b/lib/inets/src/http_client/httpc_cookie.erl @@ -18,12 +18,32 @@ %% %% Description: Cookie handling according to RFC 2109 +%% The syntax for the Set-Cookie response header is +%% +%% set-cookie = "Set-Cookie:" cookies +%% cookies = 1#cookie +%% cookie = NAME "=" VALUE *(";" cookie-av) +%% NAME = attr +%% VALUE = value +%% cookie-av = "Comment" "=" value +%% | "Domain" "=" value +%% | "Max-Age" "=" value +%% | "Path" "=" value +%% | "Secure" +%% | "Version" "=" 1*DIGIT + + +%% application:start(inets). +%% httpc:set_options([{cookies, enabled}, {proxy, {{"www-proxy.ericsson.se",8080}, ["*.ericsson.se"]}}]). +%% (catch httpc:request("http://www.expedia.com")). + -module(httpc_cookie). -include("httpc_internal.hrl"). -export([open_db/3, close_db/1, insert/2, header/4, cookies/3]). -export([reset_db/1, which_cookies/1]). +-export([image_of/2, print/2]). -record(cookie_db, {db, session_db}). @@ -125,7 +145,7 @@ insert(#cookie_db{db = Db} = CookieDb, name = Name, path = Path, max_age = 0}) -> - ?hcrt("insert", [{domain, Key}, {name, Name}, {path, Path}]), + ?hcrt("insert cookie", [{domain, Key}, {name, Name}, {path, Path}]), Pattern = #http_cookie{domain = Key, name = Name, path = Path, _ = '_'}, case dets:match_object(Db, Pattern) of [] -> @@ -136,7 +156,7 @@ insert(#cookie_db{db = Db} = CookieDb, ok; insert(#cookie_db{db = Db} = CookieDb, #http_cookie{domain = Key, name = Name, path = Path} = Cookie) -> - ?hcrt("insert", [{cookie, Cookie}]), + ?hcrt("insert cookie", [{cookie, Cookie}]), Pattern = #http_cookie{domain = Key, name = Name, path = Path, @@ -163,6 +183,7 @@ header(CookieDb, Scheme, {Host, _}, Path) -> [] -> {"cookie", ""}; Cookies -> + %% print_cookies("Header Cookies", Cookies), {"cookie", cookies_to_string(Scheme, Cookies)} end. @@ -173,11 +194,20 @@ header(CookieDb, Scheme, {Host, _}, Path) -> %%-------------------------------------------------------------------- cookies(Headers, RequestPath, RequestHost) -> + ?hcrt("cookies", [{headers, Headers}, {request_path, RequestPath}, {request_host, RequestHost}]), + Cookies = parse_set_cookies(Headers, {RequestPath, RequestHost}), - accept_cookies(Cookies, RequestPath, RequestHost). + + %% print_cookies("Parsed Cookies", Cookies), + + AcceptedCookies = accept_cookies(Cookies, RequestPath, RequestHost), + + %% print_cookies("Accepted Cookies", AcceptedCookies), + + AcceptedCookies. %%-------------------------------------------------------------------- @@ -266,7 +296,8 @@ cookies_to_string(_, [], CookieStrs) -> lists:flatten(lists:reverse(CookieStrs)) end; -cookies_to_string(https, [#http_cookie{secure = true} = Cookie| Cookies], +cookies_to_string(https = Scheme, + [#http_cookie{secure = true} = Cookie| Cookies], CookieStrs) -> Str = case Cookies of [] -> @@ -274,7 +305,7 @@ cookies_to_string(https, [#http_cookie{secure = true} = Cookie| Cookies], _ -> cookie_to_string(Cookie) ++ "; " end, - cookies_to_string(https, Cookies, [Str | CookieStrs]); + cookies_to_string(Scheme, Cookies, [Str | CookieStrs]); cookies_to_string(Scheme, [#http_cookie{secure = true}| Cookies], CookieStrs) -> @@ -303,63 +334,54 @@ add_domain(Str, #http_cookie{domain_default = true}) -> add_domain(Str, #http_cookie{domain = Domain}) -> Str ++ "; $Domain=" ++ Domain. -parse_set_cookies(OtherHeaders, DefaultPathDomain) -> - SetCookieHeaders = - lists:foldl(fun({"set-cookie", Value}, Acc) -> - [string:tokens(Value, ",")| Acc]; - (_, Acc) -> - Acc - end, [], OtherHeaders), - - lists:flatten( - lists:map(fun(CookieHeader) -> - NewHeader = fix_netscape_cookie(CookieHeader, []), - parse_set_cookie(NewHeader, [], DefaultPathDomain) - end, - SetCookieHeaders)). - -parse_set_cookie([], AccCookies, _) -> - AccCookies; -parse_set_cookie([CookieHeader | CookieHeaders], AccCookies, - Defaults = {DefaultPath, DefaultDomain}) -> - [CookieStr | Attributes] = case string:tokens(CookieHeader, ";") of - [CStr] -> - [CStr, ""]; - [CStr | Attr] -> - [CStr, Attr] - end, - Pos = string:chr(CookieStr, $=), - Name = string:substr(CookieStr, 1, Pos - 1), - Value = string:substr(CookieStr, Pos + 1), - Cookie = #http_cookie{name = string:strip(Name), - value = string:strip(Value)}, - NewAttributes = parse_set_cookie_attributes(Attributes), - TmpCookie = cookie_attributes(NewAttributes, Cookie), +parse_set_cookies(CookieHeaders, DefaultPathDomain) -> + SetCookieHeaders = [Value || {"set-cookie", Value} <- CookieHeaders], + Cookies = [parse_set_cookie(SetCookieHeader, DefaultPathDomain) || + SetCookieHeader <- SetCookieHeaders], + %% print_cookies("Parsed Cookies", Cookies), + Cookies. + +parse_set_cookie(CookieHeader, {DefaultPath, DefaultDomain}) -> + %% io:format("Raw Cookie: ~s~n", [CookieHeader]), + Pos = string:chr(CookieHeader, $=), + Name = string:substr(CookieHeader, 1, Pos - 1), + {Value, Attrs} = + case string:substr(CookieHeader, Pos + 1) of + [$;|ValueAndAttrs] -> + {"", string:tokens(ValueAndAttrs, ";")}; + ValueAndAttrs -> + [V | A] = string:tokens(ValueAndAttrs, ";"), + {V, A} + end, + Cookie = #http_cookie{name = string:strip(Name), + value = string:strip(Value)}, + Attributes = parse_set_cookie_attributes(Attrs), + TmpCookie = cookie_attributes(Attributes, Cookie), %% Add runtime defult values if necessary - NewCookie = domain_default(path_default(TmpCookie, DefaultPath), - DefaultDomain), - parse_set_cookie(CookieHeaders, [NewCookie | AccCookies], Defaults). - -parse_set_cookie_attributes([]) -> - []; -parse_set_cookie_attributes([Attributes]) -> - lists:map(fun(Attr) -> - [AttrName, AttrValue] = - case string:tokens(Attr, "=") of - %% All attributes have the form - %% Name=Value except "secure"! - [Name] -> - [Name, ""]; - [Name, Value] -> - [Name, Value]; - %% Anything not expected will be - %% disregarded - _ -> - ["Dummy",""] - end, - {http_util:to_lower(string:strip(AttrName)), - string:strip(AttrValue)} - end, Attributes). + NewCookie = domain_default(path_default(TmpCookie, DefaultPath), + DefaultDomain), + NewCookie. + +parse_set_cookie_attributes(Attributes) when is_list(Attributes) -> + [parse_set_cookie_attribute(A) || A <- Attributes]. + +parse_set_cookie_attribute(Attribute) -> + {AName, AValue} = + case string:tokens(Attribute, "=") of + %% All attributes have the form + %% Name=Value except "secure"! + [Name] -> + {Name, ""}; + [Name, Value] -> + {Name, Value}; + %% Anything not expected will be + %% disregarded + _ -> + {"Dummy", ""} + end, + StrippedName = http_util:to_lower(string:strip(AName)), + StrippedValue = string:strip(AValue), + {StrippedName, StrippedValue}. cookie_attributes([], Cookie) -> Cookie; @@ -481,20 +503,43 @@ path_sort(Cookies)-> lists:reverse(lists:keysort(#http_cookie.path, Cookies)). -%% Informally, the Set-Cookie response header comprises the token -%% Set-Cookie:, followed by a comma-separated list of one or more -%% cookies. Netscape cookies expires attribute may also have a, -%% in this case the header list will have been incorrectly split -%% in parse_set_cookies/2 this functions fix that problem. -fix_netscape_cookie([Cookie1, Cookie2 | Rest], Acc) -> - case inets_regexp:match(string:to_lower(Cookie1), "expires=") of - {_, _, _} -> - fix_netscape_cookie(Rest, [Cookie1 ++ Cookie2 | Acc]); - nomatch -> - fix_netscape_cookie([Cookie2 |Rest], [Cookie1| Acc]) - end; -fix_netscape_cookie([Cookie | Rest], Acc) -> - fix_netscape_cookie(Rest, [Cookie | Acc]); - -fix_netscape_cookie([], Acc) -> - Acc. +%% print_cookies(Header, Cookies) -> +%% io:format("~s:~n", [Header]), +%% Prefix = " ", +%% lists:foreach(fun(Cookie) -> print(Prefix, Cookie) end, Cookies). + +image_of(Prefix, + #http_cookie{domain = Domain, + domain_default = DomainDef, + name = Name, + value = Value, + comment = Comment, + max_age = MaxAge, + path = Path, + path_default = PathDef, + secure = Sec, + version = Version}) -> + lists:flatten( + io_lib:format("~sCookie ~s: " + "~n~s Value: ~p" + "~n~s Domain: ~p" + "~n~s DomainDef: ~p" + "~n~s Comment: ~p" + "~n~s MaxAge: ~p" + "~n~s Path: ~p" + "~n~s PathDef: ~p" + "~n~s Secure: ~p" + "~n~s Version: ~p", + [Prefix, Name, + Prefix, Value, + Prefix, Domain, + Prefix, DomainDef, + Prefix, Comment, + Prefix, MaxAge, + Prefix, Path, + Prefix, PathDef, + Prefix, Sec, + Prefix, Version])). + +print(Prefix, Cookie) when is_record(Cookie, http_cookie) -> + io:format("~s~n", [image_of(Prefix, Cookie)]). diff --git a/lib/inets/test/httpc_cookie_SUITE.erl b/lib/inets/test/httpc_cookie_SUITE.erl index feef5f1eea..866fa9d525 100644 --- a/lib/inets/test/httpc_cookie_SUITE.erl +++ b/lib/inets/test/httpc_cookie_SUITE.erl @@ -119,10 +119,18 @@ end_per_testcase(Case, Config) -> suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [session_cookies_only, netscape_cookies, cookie_cancel, - cookie_expires, persistent_cookie, domain_cookie, - secure_cookie, update_cookie, update_cookie_session, - cookie_attributes]. + [ + session_cookies_only, + netscape_cookies, + cookie_cancel, + cookie_expires, + persistent_cookie, + domain_cookie, + secure_cookie, + update_cookie, + update_cookie_session, + cookie_attributes + ]. groups() -> []. @@ -305,38 +313,93 @@ secure_cookie(Config) when is_list(Config) -> tsp("secure_cookie -> done"), ok. +expect_cookie_header(No, ExpectedCookie) -> + case httpc:cookie_header(?URL) of + {"cookie", ExpectedCookie} -> + ok; + {"cookie", BadCookie} -> + io:format("Bad Cookie ~w: " + "~n Expected: ~s" + "~n Received: ~s" + "~n", [No, ExpectedCookie, BadCookie]), + exit({bad_cookie_header, No, ExpectedCookie, BadCookie}) + end. + +print_cookies(Pre) -> + io:format("~s: ", [Pre]), + print_cookies2(httpc:which_cookies()). + +print_cookies2([]) -> + ok; +print_cookies2([{cookies, Cookies}|Rest]) -> + print_cookies3("Cookies", Cookies), + print_cookies2(Rest); +print_cookies2([{session_cookies, Cookies}|Rest]) -> + print_cookies3("Session Cookies", Cookies), + print_cookies2(Rest); +print_cookies2([_|Rest]) -> + print_cookies2(Rest). + +print_cookies3(Header, []) -> + io:format(" ~s: []", [Header]); +print_cookies3(Header, Cookies) -> + io:format(" ~s: ", [Header]), + Prefix = " ", + PrintCookie = + fun(Cookie) -> + io:format("~s", [httpc_cookie:image_of(Prefix, Cookie)]) + end, + lists:foreach(PrintCookie, Cookies). + update_cookie(doc)-> - ["Test that a cookie can be updated."]; + ["Test that a (plain) cookie can be updated."]; update_cookie(suite) -> []; -update_cookie(Config) when is_list(Config)-> - SetCookieHeaders = [{"set-cookie", "test_cookie=true; path=/;" - "max-age=6500"}, - {"set-cookie", "test_cookie2=true; path=/;" - "max-age=6500"}], - http:verify_cookies(SetCookieHeaders, ?URL), - {"cookie", "$Version=0; test_cookie2=true; $Path=/; " - "test_cookie=true; $Path=/"} = http:cookie_header(?URL), - NewSetCookieHeaders = [{"set-cookie", "test_cookie=false; " - "path=/;max-age=6500"}], - http:verify_cookies(NewSetCookieHeaders, ?URL), - {"cookie", "$Version=0; test_cookie2=true; $Path=/; " - "test_cookie=false; $Path=/"} = http:cookie_header(?URL). - +update_cookie(Config) when is_list(Config) -> + print_cookies("Cookies before store"), + + SetCookieHeaders = + [{"set-cookie", "test_cookie=true; path=/; max-age=6500"}, + {"set-cookie", "test_cookie2=true; path=/; max-age=6500"}], + httpc:store_cookies(SetCookieHeaders, ?URL), + print_cookies("Cookies after first store"), + ExpectCookie1 = + "$Version=0; " + "test_cookie=true; $Path=/; " + "test_cookie2=true; $Path=/", + expect_cookie_header(1, ExpectCookie1), + + NewSetCookieHeaders = + [{"set-cookie", "test_cookie=false; path=/; max-age=6500"}], + httpc:store_cookies(NewSetCookieHeaders, ?URL), + print_cookies("Cookies after second store"), + ExpectCookie2 = + "$Version=0; " + "test_cookie2=true; $Path=/; " + "test_cookie=false; $Path=/", + expect_cookie_header(2, ExpectCookie2). + update_cookie_session(doc)-> - ["Test that a cookie can be updated."]; + ["Test that a session cookie can be updated."]; update_cookie_session(suite) -> []; update_cookie_session(Config) when is_list(Config)-> + print_cookies("Cookies before store"), + SetCookieHeaders = [{"set-cookie", "test_cookie=true; path=/"}, {"set-cookie", "test_cookie2=true; path=/"}], - http:verify_cookies(SetCookieHeaders, ?URL), - {"cookie", "$Version=0; test_cookie2=true; $Path=/; " - "test_cookie=true; $Path=/"} = http:cookie_header(?URL), + httpc:store_cookies(SetCookieHeaders, ?URL), + print_cookies("Cookies after first store"), + ExpectedCookie1 = + "$Version=0; test_cookie=true; $Path=/; test_cookie2=true; $Path=/", + expect_cookie_header(1, ExpectedCookie1), + NewSetCookieHeaders = [{"set-cookie", "test_cookie=false; path=/"}], - http:verify_cookies(NewSetCookieHeaders, ?URL), - {"cookie", "$Version=0; test_cookie2=true; $Path=/; " - "test_cookie=false; $Path=/"} = http:cookie_header(?URL). + httpc:store_cookies(NewSetCookieHeaders, ?URL), + print_cookies("Cookies after second store"), + ExpectedCookie2 = + "$Version=0; test_cookie2=true; $Path=/; test_cookie=false; $Path=/", + expect_cookie_header(2, ExpectedCookie2). cookie_attributes(doc) -> |