The R13B03 release.OTP_R13B03

1 files changed, 281 insertions, 0 deletions

diff --git a/lib/inets/src/http_lib/http_request.erl b/lib/inets/src/http_lib/http_request.erl
new file mode 100644
index 0000000000..c214aca4a4
--- /dev/null
+++ b/lib/inets/src/http_lib/http_request.erl
@@ -0,0 +1,281 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2005-2009. 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(http_request).
+
+-include("http_internal.hrl").
+
+-export([headers/2, http_headers/1, is_absolut_uri/1]).
+
+%%-------------------------------------------------------------------------
+%% headers(HeaderList, #http_request_h{}) -> #http_request_h{}
+%%   HeaderList - ["HeaderField:Value"]     	
+%%   HeaderField - string()
+%%   Value - string()	
+%%                                   
+%% Description: Creates a http_request_h-record used internally to
+%%              handle http-headers.
+%%-------------------------------------------------------------------------
+headers([], Headers) ->
+    Headers;
+headers([Header | Tail], Headers) ->  
+    case lists:splitwith(fun($:) -> false; (_) -> true end, Header) of
+	{Key, [$: | Value]}  ->
+	    headers(Tail, headers(http_util:to_lower(string:strip(Key)), 
+				  string:strip(Value), Headers));
+	{_, []} -> 
+	    Report = io_lib:format("Ignored invalid HTTP-header: ~p~n", 
+				   [Header]),
+	    error_logger:error_report(Report),
+	    headers(Tail, Headers)
+    end.
+
+%%-------------------------------------------------------------------------
+%% headers(#http_request_h{}) -> HeaderList
+%%   HeaderList - ["HeaderField:Value"]     	
+%%   HeaderField - string()
+%%   Value - string()	
+%%                                   
+%% Description: Creates a HTTP header string.
+%%-------------------------------------------------------------------------
+http_headers(Headers = #http_request_h{other = Other}) ->
+    HeaderFields = record_info(fields, http_request_h) -- [other],
+    HeaderStr = lists:foldl(fun(Key, Acc) -> 
+				    case key_value_str(Key, Headers) of
+					undefined ->
+					    Acc;
+					Str ->
+					    [Str | Acc]
+				    end
+			    end,
+			    [], HeaderFields),
+    
+    lists:flatten([HeaderStr | headers_other(Other, [])]).
+
+%%-------------------------------------------------------------------------
+%% is_absolut_uri(URI) -> true | false
+%%   URI - string()	
+%%                                   
+%% Description: Checks if an URI is absolute or relative
+%%-------------------------------------------------------------------------
+is_absolut_uri("http://" ++ _) ->
+    true;
+is_absolut_uri("https://" ++ _) ->
+    true;
+is_absolut_uri(_) ->
+    false.
+
+%%%========================================================================
+%%% Internal functions
+%%%========================================================================
+
+%%% --- Request headers
+headers("accept", Value, Headers) ->
+    Headers#http_request_h{accept = Value};
+headers("accept-charset", Value, Headers) ->
+    Headers#http_request_h{'accept-charset' = Value};
+headers("accept-encoding", Value, Headers) ->
+    Headers#http_request_h{'accept-encoding' = Value};
+headers("accept-language", Value, Headers) ->
+    Headers#http_request_h{'accept-language' = Value};
+headers("authorization", Value, Headers) ->
+    Headers#http_request_h{authorization = Value};
+headers("expect", Value, Headers) ->
+    Headers#http_request_h{expect = Value};
+headers("from", Value, Headers) ->
+    Headers#http_request_h{from = Value};
+headers("host", Value, Headers) ->
+    Headers#http_request_h{host = Value};
+headers("if-match", Value, Headers) ->
+    Headers#http_request_h{'if-match' = Value};
+headers("if-modified-since", Value, Headers) ->
+    Headers#http_request_h{'if-modified-since' = Value};
+headers("if-none-match", Value, Headers) ->
+    Headers#http_request_h{'if-none-match' = Value};
+headers("if-range", Value, Headers) ->
+    Headers#http_request_h{'if-range' = Value};
+headers("if-unmodified-since", Value, Headers) ->
+    Headers#http_request_h{'if-unmodified-since' = Value};
+headers("max-forwards", Value, Headers) ->
+    Headers#http_request_h{'max-forwards' = Value};
+headers("proxy-authorization", Value, Headers) ->
+    Headers#http_request_h{'proxy-authorization' = Value};
+headers("range", Value, Headers) ->
+    Headers#http_request_h{range = Value};
+headers("referer", Value, Headers) ->
+    Headers#http_request_h{referer = Value};
+headers("te", Value, Headers) ->
+    Headers#http_request_h{te = Value};
+headers("user-agent", Value, Headers) ->
+    Headers#http_request_h{'user-agent' = Value};
+
+%% General-Headers
+headers("cache-control", Value, Headers) ->
+    Headers#http_request_h{'cache-control' = Value};
+headers("connection", Value, Headers) ->
+    Headers#http_request_h{connection = Value};
+headers("date", Value, Headers) ->
+    Headers#http_request_h{date = Value};
+headers("pragma", Value, Headers) ->
+    Headers#http_request_h{pragma = Value};
+headers("trailer", Value, Headers) ->
+    Headers#http_request_h{trailer = Value};
+headers("transfer-encoding", Value, Headers) ->
+    Headers#http_request_h{'transfer-encoding' = Value};
+headers("upgrade", Value, Headers) ->		
+    Headers#http_request_h{upgrade = Value};
+headers("via", Value, Headers) ->
+    Headers#http_request_h{via = Value};
+headers("warning", Value, Headers) ->
+    Headers#http_request_h{warning = Value};
+
+%% Entity header
+headers("allow", Value, Headers) ->
+    Headers#http_request_h{allow = Value};
+headers("content-encoding", Value, Headers) ->
+    Headers#http_request_h{'content-encoding' = Value};
+headers("content-language", Value, Headers) ->
+    Headers#http_request_h{'content-language' = Value};
+headers("content-length", Value, Headers) ->
+    Headers#http_request_h{'content-length' = Value};
+headers("content-location", Value, Headers) ->
+    Headers#http_request_h{'content-location' = Value};
+headers("content-md5", Value, Headers) ->
+    Headers#http_request_h{'content-md5' = Value};
+headers("content-range", Value, Headers) ->
+    Headers#http_request_h{'content-range' = Value};
+headers("content-type", Value, Headers) ->
+    Headers#http_request_h{'content-type' = Value};
+headers("expires", Value, Headers) ->
+    Headers#http_request_h{expires = Value};
+headers("last-modified", Value, Headers) ->
+    Headers#http_request_h{'last-modified' = Value};
+headers(Key, Value, Headers) ->
+    Headers#http_request_h{other=
+			   [{Key, Value} | Headers#http_request_h.other]}.
+
+key_value_str(Key = 'cache-control', Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.'cache-control');
+key_value_str(Key = connection, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.connection);
+key_value_str(Key = date, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.date);
+key_value_str(Key = pragma, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.pragma);
+key_value_str(Key = trailer, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.trailer);
+key_value_str(Key = 'transfer-encoding', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'transfer-encoding');
+key_value_str(Key = upgrade, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.upgrade);
+key_value_str(Key = via, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.via);
+key_value_str(Key = warning, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.warning);
+key_value_str(Key = accept, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.accept);
+key_value_str(Key = 'accept-charset', Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.'accept-charset');
+key_value_str(Key = 'accept-encoding', Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.'accept-encoding');
+key_value_str(Key = 'accept-language', Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.'accept-language');
+key_value_str(Key = authorization, Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.authorization);
+key_value_str(Key = expect, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.expect);
+key_value_str(Key = from, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.from);
+key_value_str(Key = host, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.host);
+key_value_str(Key = 'if-match', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'if-match');
+key_value_str(Key = 'if-modified-since', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'if-modified-since');
+key_value_str(Key = 'if-none-match', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'if-none-match');
+key_value_str(Key = 'if-range', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'if-range');
+key_value_str(Key = 'if-unmodified-since', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'if-unmodified-since');
+key_value_str(Key = 'max-forwards', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'max-forwards');
+key_value_str(Key = 'proxy-authorization', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'proxy-authorization');
+key_value_str(Key = range, Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.range);
+key_value_str(Key = referer, Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.referer);
+key_value_str(Key = te, Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.te);
+key_value_str(Key = 'user-agent', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'user-agent');
+key_value_str(Key = allow, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.allow);
+key_value_str(Key = 'content-encoding', Headers) ->
+    key_value_str(atom_to_list(Key), 
+		    Headers#http_request_h.'content-encoding');
+key_value_str(Key = 'content-language', Headers) ->
+    key_value_str(atom_to_list(Key), 
+		    Headers#http_request_h.'content-language');
+key_value_str(Key = 'content-length', Headers) ->
+    case Headers#http_request_h.'content-length' of
+	"0" ->
+	    undefined;
+	_ -> 
+	    key_value_str(atom_to_list(Key), 
+			    Headers#http_request_h.'content-length')
+    end;
+key_value_str(Key = 'content-location', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'content-location');
+key_value_str(Key = 'content-md5', Headers) ->
+    key_value_str(atom_to_list(Key),
+		    Headers#http_request_h.'content-md5');
+key_value_str(Key = 'content-range', Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.'content-range');
+key_value_str(Key = 'content-type', Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.'content-type');
+key_value_str(Key = expires, Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.expires);
+key_value_str(Key = 'last-modified', Headers) ->
+    key_value_str(atom_to_list(Key), Headers#http_request_h.'last-modified');
+key_value_str(_, undefined) ->
+    undefined;
+key_value_str(Key, Value)  ->
+    Key ++ ": " ++ Value ++ ?CRLF.
+
+headers_other([], Headers) ->
+    Headers;
+headers_other([{Key,Value} | Rest], Headers) ->
+    Header = Key ++ ": " ++ Value ++ ?CRLF,
+    headers_other(Rest, [Header | Headers]).