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-rw-r--r--src/ibrowse/ibrowse_lib.erl292
1 files changed, 129 insertions, 163 deletions
diff --git a/src/ibrowse/ibrowse_lib.erl b/src/ibrowse/ibrowse_lib.erl
index 6c7b1546..fbb9c34b 100644
--- a/src/ibrowse/ibrowse_lib.erl
+++ b/src/ibrowse/ibrowse_lib.erl
@@ -1,11 +1,10 @@
%%% File : ibrowse_lib.erl
%%% Author : Chandrashekhar Mullaparthi <chandrashekhar.mullaparthi@t-mobile.co.uk>
-%%% Description :
+%%% Description :
%%% Created : 27 Feb 2004 by Chandrashekhar Mullaparthi <chandrashekhar.mullaparthi@t-mobile.co.uk>
%% @doc Module with a few useful functions
-module(ibrowse_lib).
--vsn('$Id: ibrowse_lib.erl,v 1.6 2008/03/27 01:35:50 chandrusf Exp $ ').
-author('chandru').
-ifdef(debug).
-compile(export_all).
@@ -14,22 +13,22 @@
-include("ibrowse.hrl").
-export([
- get_trace_status/2,
- do_trace/2,
- do_trace/3,
- url_encode/1,
- decode_rfc822_date/1,
- status_code/1,
- dec2hex/2,
- drv_ue/1,
- drv_ue/2,
- encode_base64/1,
- decode_base64/1,
- get_value/2,
- get_value/3,
- parse_url/1,
- printable_date/0
- ]).
+ get_trace_status/2,
+ do_trace/2,
+ do_trace/3,
+ url_encode/1,
+ decode_rfc822_date/1,
+ status_code/1,
+ dec2hex/2,
+ drv_ue/1,
+ drv_ue/2,
+ encode_base64/1,
+ decode_base64/1,
+ get_value/2,
+ get_value/3,
+ parse_url/1,
+ printable_date/0
+ ]).
get_trace_status(Host, Port) ->
ibrowse:get_config_value({trace, Host, Port}, false).
@@ -39,10 +38,10 @@ drv_ue(Str) ->
drv_ue(Str, Port).
drv_ue(Str, Port) ->
case erlang:port_control(Port, 1, Str) of
- [] ->
- Str;
- Res ->
- Res
+ [] ->
+ Str;
+ Res ->
+ Res
end.
%% @doc URL-encodes a string based on RFC 1738. Returns a flat list.
@@ -72,10 +71,10 @@ d2h(N) -> N+$a-10.
decode_rfc822_date(String) when is_list(String) ->
case catch decode_rfc822_date_1(string:tokens(String, ", \t\r\n")) of
- {'EXIT', _} ->
- {error, invalid_date};
- Res ->
- Res
+ {'EXIT', _} ->
+ {error, invalid_date};
+ Res ->
+ Res
end.
% TODO: Have to handle the Zone
@@ -86,15 +85,15 @@ decode_rfc822_date_1([Day,Month,Year, Time,_Zone]) ->
MonthI = month_int(Month),
YearI = list_to_integer(Year),
TimeTup = case string:tokens(Time, ":") of
- [H,M] ->
- {list_to_integer(H),
- list_to_integer(M),
- 0};
- [H,M,S] ->
- {list_to_integer(H),
- list_to_integer(M),
- list_to_integer(S)}
- end,
+ [H,M] ->
+ {list_to_integer(H),
+ list_to_integer(M),
+ 0};
+ [H,M,S] ->
+ {list_to_integer(H),
+ list_to_integer(M),
+ list_to_integer(S)}
+ end,
{{YearI,MonthI,DayI}, TimeTup}.
month_int("Jan") -> 1;
@@ -110,7 +109,7 @@ month_int("Oct") -> 10;
month_int("Nov") -> 11;
month_int("Dec") -> 12.
-%% @doc Given a status code, returns an atom describing the status code.
+%% @doc Given a status code, returns an atom describing the status code.
%% @spec status_code(StatusCode::status_code()) -> StatusDescription
%% status_code() = string() | integer()
%% StatusDescription = atom()
@@ -178,86 +177,25 @@ dec2hex(M,N,Ack) -> dec2hex(M-1,N bsr 4,[d2h(N band 15)|Ack]).
%% In = string() | binary()
%% Out = string() | binary()
encode_base64(List) when is_list(List) ->
- encode_base64_1(list_to_binary(List));
+ binary_to_list(base64:encode(List));
encode_base64(Bin) when is_binary(Bin) ->
- List = encode_base64_1(Bin),
- list_to_binary(List).
-
-encode_base64_1(<<A:6, B:6, C:6, D:6, Rest/binary>>) ->
- [int_to_b64(A), int_to_b64(B),
- int_to_b64(C), int_to_b64(D) | encode_base64_1(Rest)];
-encode_base64_1(<<A:6, B:6, C:4>>) ->
- [int_to_b64(A), int_to_b64(B), int_to_b64(C bsl 2), $=];
-encode_base64_1(<<A:6, B:2>>) ->
- [int_to_b64(A), int_to_b64(B bsl 4), $=, $=];
-encode_base64_1(<<>>) ->
- [].
+ base64:encode(Bin).
%% @doc Implements the base64 decoding algorithm. The output data type matches in the input data type.
%% @spec decode_base64(In) -> Out | exit({error, invalid_input})
%% In = string() | binary()
%% Out = string() | binary()
decode_base64(List) when is_list(List) ->
- decode_base64_1(List, []);
+ binary_to_list(base64:decode(List));
decode_base64(Bin) when is_binary(Bin) ->
- List = decode_base64_1(binary_to_list(Bin), []),
- list_to_binary(List).
-
-decode_base64_1([H | T], Acc) when ((H == $\t) or
- (H == 32) or
- (H == $\r) or
- (H == $\n)) ->
- decode_base64_1(T, Acc);
-
-decode_base64_1([$=, $=], Acc) ->
- lists:reverse(Acc);
-decode_base64_1([$=, _ | _], _Acc) ->
- exit({error, invalid_input});
-
-decode_base64_1([A1, B1, $=, $=], Acc) ->
- A = b64_to_int(A1),
- B = b64_to_int(B1),
- Oct1 = (A bsl 2) bor (B bsr 4),
- decode_base64_1([], [Oct1 | Acc]);
-decode_base64_1([A1, B1, C1, $=], Acc) ->
- A = b64_to_int(A1),
- B = b64_to_int(B1),
- C = b64_to_int(C1),
- Oct1 = (A bsl 2) bor (B bsr 4),
- Oct2 = ((B band 16#f) bsl 6) bor (C bsr 2),
- decode_base64_1([], [Oct2, Oct1 | Acc]);
-decode_base64_1([A1, B1, C1, D1 | T], Acc) ->
- A = b64_to_int(A1),
- B = b64_to_int(B1),
- C = b64_to_int(C1),
- D = b64_to_int(D1),
- Oct1 = (A bsl 2) bor (B bsr 4),
- Oct2 = ((B band 16#f) bsl 4) bor (C bsr 2),
- Oct3 = ((C band 2#11) bsl 6) bor D,
- decode_base64_1(T, [Oct3, Oct2, Oct1 | Acc]);
-decode_base64_1([], Acc) ->
- lists:reverse(Acc).
-
-%% Taken from httpd_util.erl
-int_to_b64(X) when X >= 0, X =< 25 -> X + $A;
-int_to_b64(X) when X >= 26, X =< 51 -> X - 26 + $a;
-int_to_b64(X) when X >= 52, X =< 61 -> X - 52 + $0;
-int_to_b64(62) -> $+;
-int_to_b64(63) -> $/.
-
-%% Taken from httpd_util.erl
-b64_to_int(X) when X >= $A, X =< $Z -> X - $A;
-b64_to_int(X) when X >= $a, X =< $z -> X - $a + 26;
-b64_to_int(X) when X >= $0, X =< $9 -> X - $0 + 52;
-b64_to_int($+) -> 62;
-b64_to_int($/) -> 63.
+ base64:decode(Bin).
get_value(Tag, TVL, DefVal) ->
case lists:keysearch(Tag, 1, TVL) of
- false ->
- DefVal;
- {value, {_, Val}} ->
- Val
+ false ->
+ DefVal;
+ {value, {_, Val}} ->
+ Val
end.
get_value(Tag, TVL) ->
@@ -271,92 +209,120 @@ parse_url([$:, $/, $/ | _], get_protocol, Url, []) ->
{invalid_uri_1, Url};
parse_url([$:, $/, $/ | T], get_protocol, Url, TmpAcc) ->
Prot = list_to_atom(lists:reverse(TmpAcc)),
- parse_url(T, get_username,
- Url#url{protocol = Prot},
- []);
-parse_url([$/ | T], get_username, Url, TmpAcc) ->
+ parse_url(T, get_username,
+ Url#url{protocol = Prot},
+ []);
+parse_url([H | T], get_username, Url, TmpAcc) when H == $/;
+ H == $? ->
+ Path = case H of
+ $/ ->
+ [$/ | T];
+ $? ->
+ [$/, $? | T]
+ end,
%% No username/password. No port number
Url#url{host = lists:reverse(TmpAcc),
- port = default_port(Url#url.protocol),
- path = [$/ | T]};
+ port = default_port(Url#url.protocol),
+ path = Path};
parse_url([$: | T], get_username, Url, TmpAcc) ->
%% It is possible that no username/password has been
%% specified. But we'll continue with the assumption that there is
%% a username/password. If we encounter a '@' later on, there is a
%% username/password indeed. If we encounter a '/', it was
%% actually the hostname
- parse_url(T, get_password,
- Url#url{username = lists:reverse(TmpAcc)},
- []);
+ parse_url(T, get_password,
+ Url#url{username = lists:reverse(TmpAcc)},
+ []);
parse_url([$@ | T], get_username, Url, TmpAcc) ->
- parse_url(T, get_host,
- Url#url{username = lists:reverse(TmpAcc),
- password = ""},
- []);
+ parse_url(T, get_host,
+ Url#url{username = lists:reverse(TmpAcc),
+ password = ""},
+ []);
parse_url([$@ | T], get_password, Url, TmpAcc) ->
- parse_url(T, get_host,
- Url#url{password = lists:reverse(TmpAcc)},
- []);
-parse_url([$/ | T], get_password, Url, TmpAcc) ->
+ parse_url(T, get_host,
+ Url#url{password = lists:reverse(TmpAcc)},
+ []);
+parse_url([H | T], get_password, Url, TmpAcc) when H == $/;
+ H == $? ->
%% Ok, what we thought was the username/password was the hostname
%% and portnumber
#url{username=User} = Url,
Port = list_to_integer(lists:reverse(TmpAcc)),
+ Path = case H of
+ $/ ->
+ [$/ | T];
+ $? ->
+ [$/, $? | T]
+ end,
Url#url{host = User,
- port = Port,
- username = undefined,
- password = undefined,
- path = [$/ | T]};
+ port = Port,
+ username = undefined,
+ password = undefined,
+ path = Path};
parse_url([$: | T], get_host, #url{} = Url, TmpAcc) ->
- parse_url(T, get_port,
- Url#url{host = lists:reverse(TmpAcc)},
- []);
-parse_url([$/ | T], get_host, #url{protocol=Prot} = Url, TmpAcc) ->
+ parse_url(T, get_port,
+ Url#url{host = lists:reverse(TmpAcc)},
+ []);
+parse_url([H | T], get_host, #url{protocol=Prot} = Url, TmpAcc) when H == $/;
+ H == $? ->
+ Path = case H of
+ $/ ->
+ [$/ | T];
+ $? ->
+ [$/, $? | T]
+ end,
Url#url{host = lists:reverse(TmpAcc),
- port = default_port(Prot),
- path = [$/ | T]};
-parse_url([$/ | T], get_port, #url{protocol=Prot} = Url, TmpAcc) ->
+ port = default_port(Prot),
+ path = Path};
+parse_url([H | T], get_port, #url{protocol=Prot} = Url, TmpAcc) when H == $/;
+ H == $? ->
+ Path = case H of
+ $/ ->
+ [$/ | T];
+ $? ->
+ [$/, $? | T]
+ end,
Port = case TmpAcc of
- [] ->
- default_port(Prot);
- _ ->
- list_to_integer(lists:reverse(TmpAcc))
- end,
- Url#url{port = Port, path = [$/ | T]};
+ [] ->
+ default_port(Prot);
+ _ ->
+ list_to_integer(lists:reverse(TmpAcc))
+ end,
+ Url#url{port = Port, path = Path};
parse_url([H | T], State, Url, TmpAcc) ->
parse_url(T, State, Url, [H | TmpAcc]);
parse_url([], get_host, Url, TmpAcc) when TmpAcc /= [] ->
Url#url{host = lists:reverse(TmpAcc),
- port = default_port(Url#url.protocol),
- path = "/"};
+ port = default_port(Url#url.protocol),
+ path = "/"};
parse_url([], get_username, Url, TmpAcc) when TmpAcc /= [] ->
Url#url{host = lists:reverse(TmpAcc),
- port = default_port(Url#url.protocol),
- path = "/"};
+ port = default_port(Url#url.protocol),
+ path = "/"};
parse_url([], get_port, #url{protocol=Prot} = Url, TmpAcc) ->
Port = case TmpAcc of
- [] ->
- default_port(Prot);
- _ ->
- list_to_integer(lists:reverse(TmpAcc))
- end,
- Url#url{port = Port,
- path = "/"};
+ [] ->
+ default_port(Prot);
+ _ ->
+ list_to_integer(lists:reverse(TmpAcc))
+ end,
+ Url#url{port = Port,
+ path = "/"};
parse_url([], get_password, Url, TmpAcc) ->
%% Ok, what we thought was the username/password was the hostname
%% and portnumber
#url{username=User} = Url,
Port = case TmpAcc of
- [] ->
- default_port(Url#url.protocol);
- _ ->
- list_to_integer(lists:reverse(TmpAcc))
- end,
+ [] ->
+ default_port(Url#url.protocol);
+ _ ->
+ list_to_integer(lists:reverse(TmpAcc))
+ end,
Url#url{host = User,
- port = Port,
- username = undefined,
- password = undefined,
- path = "/"};
+ port = Port,
+ username = undefined,
+ password = undefined,
+ path = "/"};
parse_url([], State, Url, TmpAcc) ->
{invalid_uri_2, State, Url, TmpAcc}.
@@ -387,13 +353,13 @@ do_trace(Fmt, Args) ->
-ifdef(DEBUG).
do_trace(_, Fmt, Args) ->
io:format("~s -- (~s) - "++Fmt,
- [printable_date(),
- get(ibrowse_trace_token) | Args]).
+ [printable_date(),
+ get(ibrowse_trace_token) | Args]).
-else.
do_trace(true, Fmt, Args) ->
io:format("~s -- (~s) - "++Fmt,
- [printable_date(),
- get(ibrowse_trace_token) | Args]);
+ [printable_date(),
+ get(ibrowse_trace_token) | Args]);
do_trace(_, _, _) ->
ok.
-endif.
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-26 01:30:26 +0000