diff options
Diffstat (limited to 'lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_responsecontrol.erl')
| -rw-r--r-- | lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_responsecontrol.erl | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_responsecontrol.erl b/lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_responsecontrol.erl deleted file mode 100644 index c946098120..0000000000 --- a/lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_responsecontrol.erl +++ /dev/null @@ -1,337 +0,0 @@ -%% ``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 via the world wide web 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. -%% -%% The Initial Developer of the Original Code is Ericsson Utvecklings AB. -%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings -%% AB. All Rights Reserved.'' -%% -%% $Id: mod_responsecontrol.erl,v 1.1 2008/12/17 09:53:35 mikpe Exp $ -%% - --module(mod_responsecontrol). --export([do/1]). - --include("httpd.hrl"). - - -do(Info) -> - ?DEBUG("do -> response_control",[]), - case httpd_util:key1search(Info#mod.data,status) of - %% A status code has been generated! - {StatusCode,PhraseArgs,Reason} -> - {proceed,Info#mod.data}; - %% No status code has been generated! - undefined -> - case httpd_util:key1search(Info#mod.data,response) of - %% No response has been generated! - undefined -> - case do_responsecontrol(Info) of - continue -> - {proceed,Info#mod.data}; - Response -> - {proceed,[Response|Info#mod.data]} - end; - %% A response has been generated or sent! - Response -> - {proceed,Info#mod.data} - end - end. - - -%%---------------------------------------------------------------------- -%%Control that the request header did not contians any limitations -%%wheather a response shall be createed or not -%%---------------------------------------------------------------------- - -do_responsecontrol(Info) -> - ?DEBUG("do_response_control -> Request URI: ~p",[Info#mod.request_uri]), - Path = mod_alias:path(Info#mod.data, Info#mod.config_db, - Info#mod.request_uri), - case file:read_file_info(Path) of - {ok, FileInfo} -> - control(Path,Info,FileInfo); - _ -> - %% The requested asset is not a plain file and then it must - %% be generated everytime its requested - continue - end. - -%%---------------------------------------------------------------------- -%%Control the If-Match, If-None-Match, and If-Modified-Since -%%---------------------------------------------------------------------- - - -%% If a client sends more then one of the if-XXXX fields in a request -%% The standard says it does not specify the behaviuor so I specified it :-) -%% The priority between the fields is -%% 1.If-modified -%% 2.If-Unmodified -%% 3.If-Match -%% 4.If-Nomatch - -%% This means if more than one of the fields are in the request the -%% field with highest priority will be used - -%%If the request is a range request the If-Range field will be the winner. - -control(Path,Info,FileInfo)-> - case control_range(Path,Info,FileInfo) of - undefined -> - case control_Etag(Path,Info,FileInfo) of - undefined -> - case control_modification(Path,Info,FileInfo) of - continue -> - continue; - ReturnValue -> - send_return_value(ReturnValue,FileInfo) - end; - continue -> - continue; - ReturnValue -> - send_return_value(ReturnValue,FileInfo) - end; - Response-> - Response - end. - -%%---------------------------------------------------------------------- -%%If there are both a range and an if-range field control if -%%---------------------------------------------------------------------- -control_range(Path,Info,FileInfo) -> - case httpd_util:key1search(Info#mod.parsed_header,"range") of - undefined-> - undefined; - _Range -> - case httpd_util:key1search(Info#mod.parsed_header,"if-range") of - undefined -> - undefined; - EtagOrDate -> - control_if_range(Path,Info,FileInfo,EtagOrDate) - end - end. - -control_if_range(Path,Info,FileInfo,EtagOrDate) -> - case httpd_util:convert_request_date(strip_date(EtagOrDate)) of - bad_date -> - FileEtag=httpd_util:create_etag(FileInfo), - case FileEtag of - EtagOrDate -> - continue; - _ -> - {if_range,send_file} - end; - ErlDate -> - %%We got the date in the request if it is - case control_modification_data(Info,FileInfo#file_info.mtime,"if-range") of - modified -> - {if_range,send_file}; - _UnmodifiedOrUndefined-> - continue - end - end. - -%%---------------------------------------------------------------------- -%%Controls the values of the If-Match and I-None-Mtch -%%---------------------------------------------------------------------- -control_Etag(Path,Info,FileInfo)-> - FileEtag=httpd_util:create_etag(FileInfo), - %%Control if the E-Tag for the resource matches one of the Etags in - %%the -if-match header field - case control_match(Info,FileInfo,"if-match",FileEtag) of - nomatch -> - %%None of the Etags in the if-match field matched the current - %%Etag for the resource return a 304 - {412,Info,Path}; - match -> - continue; - undefined -> - case control_match(Info,FileInfo,"if-none-match",FileEtag) of - nomatch -> - continue; - match -> - case Info#mod.method of - "GET" -> - {304,Info,Path}; - "HEAD" -> - {304,Info,Path}; - _OtherrequestMethod -> - {412,Info,Path} - end; - undefined -> - undefined - end - end. - -%%---------------------------------------------------------------------- -%%Control if there are any Etags for HeaderField in the request if so -%%Control if they match the Etag for the requested file -%%---------------------------------------------------------------------- -control_match(Info,FileInfo,HeaderField,FileEtag)-> - case split_etags(httpd_util:key1search(Info#mod.parsed_header,HeaderField)) of - undefined-> - undefined; - Etags-> - %%Control that the match any star not is availible - case lists:member("*",Etags) of - true-> - match; - false-> - compare_etags(FileEtag,Etags) - end - end. - -%%---------------------------------------------------------------------- -%%Split the etags from the request -%%---------------------------------------------------------------------- -split_etags(undefined)-> - undefined; -split_etags(Tags) -> - string:tokens(Tags,", "). - -%%---------------------------------------------------------------------- -%%Control if the etag for the file is in the list -%%---------------------------------------------------------------------- -compare_etags(Tag,Etags) -> - case lists:member(Tag,Etags) of - true -> - match; - _ -> - nomatch - end. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% %% -%%Control if the file is modificated %% -%% %% -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -%%---------------------------------------------------------------------- -%%Control the If-Modified-Since and If-Not-Modified-Since header fields -%%---------------------------------------------------------------------- -control_modification(Path,Info,FileInfo)-> - ?DEBUG("control_modification() -> entry",[]), - case control_modification_data(Info,FileInfo#file_info.mtime,"if-modified-since") of - modified-> - continue; - unmodified-> - {304,Info,Path}; - undefined -> - case control_modification_data(Info,FileInfo#file_info.mtime,"if-unmodified-since") of - modified -> - {412,Info,Path}; - _ContinueUndefined -> - continue - end - end. - -%%---------------------------------------------------------------------- -%%Controls the date from the http-request if-modified-since and -%%if-not-modified-since against the modification data of the -%%File -%%---------------------------------------------------------------------- -%%Info is the record about the request -%%ModificationTime is the time the file was edited last -%%Header Field is the name of the field to control - -control_modification_data(Info,ModificationTime,HeaderField)-> - case strip_date(httpd_util:key1search(Info#mod.parsed_header,HeaderField)) of - undefined-> - undefined; - LastModified0 -> - LastModified=httpd_util:convert_request_date(LastModified0), - ?DEBUG("control_modification_data() -> " - "~n Request-Field: ~s" - "~n FileLastModified: ~p" - "~n FieldValue: ~p", - [HeaderField,ModificationTime,LastModified]), - case LastModified of - bad_date -> - undefined; - _ -> - FileTime=calendar:datetime_to_gregorian_seconds(ModificationTime), - FieldTime=calendar:datetime_to_gregorian_seconds(LastModified), - if - FileTime=<FieldTime -> - ?DEBUG("File unmodified~n", []), - unmodified; - FileTime>=FieldTime -> - ?DEBUG("File modified~n", []), - modified - end - end - end. - -%%---------------------------------------------------------------------- -%%Compare to dates on the form {{YYYY,MM,DD},{HH,MIN,SS}} -%%If the first date is the biggest returns biggest1 (read biggestFirst) -%%If the first date is smaller -% compare_date(Date,bad_date)-> -% bad_date; - -% compare_date({D1,T1},{D2,T2})-> -% case compare_date1(D1,D2) of -% equal -> -% compare_date1(T1,T2); -% GTorLT-> -% GTorLT -% end. - -% compare_date1({T1,T2,T3},{T12,T22,T32}) when T1>T12 -> -% bigger1; -% compare_date1({T1,T2,T3},{T1,T22,T32}) when T2>T22 -> -% bigger1; -% compare_date1({T1,T2,T3},{T1,T2,T32}) when T3>T32 -> -% bigger1; -% compare_date1({T1,T2,T3},{T1,T2,T3})-> -% equal; -% compare_date1(_D1,_D2)-> -% smaller1. - - -%% IE4 & NS4 sends an extra '; length=xxxx' string at the end of the If-Modified-Since -%% header, we detect this and ignore it (the RFCs does not mention this). -strip_date(undefined) -> - undefined; -strip_date([]) -> - []; -strip_date([$;,$ |Rest]) -> - []; -strip_date([C|Rest]) -> - [C|strip_date(Rest)]. - -send_return_value({412,_,_},FileInfo)-> - {status,{412,none,"Precondition Failed"}}; - -send_return_value({304,Info,Path},FileInfo)-> - Suffix=httpd_util:suffix(Path), - MimeType = httpd_util:lookup_mime_default(Info#mod.config_db,Suffix,"text/plain"), - Header = [{code,304}, - {etag,httpd_util:create_etag(FileInfo)}, - {content_length,0}, - {last_modified,httpd_util:rfc1123_date(FileInfo#file_info.mtime)}], - {response,{response,Header,nobody}}. - - - - - - - - - - - - - - - - - |