diff options
Diffstat (limited to 'lib/inets/src/http_server/mod_dir.erl')
-rw-r--r-- | lib/inets/src/http_server/mod_dir.erl | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/lib/inets/src/http_server/mod_dir.erl b/lib/inets/src/http_server/mod_dir.erl new file mode 100644 index 0000000000..cdc7cc01e4 --- /dev/null +++ b/lib/inets/src/http_server/mod_dir.erl @@ -0,0 +1,284 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1997-2009. 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(mod_dir). +-export([do/1]). + +-include("httpd.hrl"). + +%% do + +do(Info) -> + ?DEBUG("do -> entry",[]), + case Info#mod.method of + "GET" -> + case proplists:get_value(status, Info#mod.data) of + %% A status code has been generated! + {_StatusCode, _PhraseArgs, _Reason} -> + {proceed,Info#mod.data}; + %% No status code has been generated! + undefined -> + case proplists:get_value(response, Info#mod.data) of + %% No response has been generated! + undefined -> + do_dir(Info); + %% A response has been generated or sent! + _Response -> + {proceed,Info#mod.data} + end + end; + %% Not a GET method! + _ -> + {proceed,Info#mod.data} + end. + +do_dir(Info) -> + ?DEBUG("do_dir -> Request URI: ~p",[Info#mod.request_uri]), + Path = mod_alias:path(Info#mod.data,Info#mod.config_db, + Info#mod.request_uri), + DefaultPath = mod_alias:default_index(Info#mod.config_db,Path), + %% Is it a directory? + case file:read_file_info(DefaultPath) of + {ok,FileInfo} when FileInfo#file_info.type == directory -> + DecodedRequestURI = + httpd_util:decode_hex(Info#mod.request_uri), + ?DEBUG("do_dir -> ~n" + " Path: ~p~n" + " DefaultPath: ~p~n" + " DecodedRequestURI: ~p", + [Path,DefaultPath,DecodedRequestURI]), + case dir(DefaultPath,string:strip(DecodedRequestURI,right,$/), + Info#mod.config_db) of + {ok, Dir} -> + LastModified = + case (catch httpd_util:rfc1123_date( + FileInfo#file_info.mtime)) of + Date when is_list(Date) -> + [{"date", Date}]; + _ -> %% This will rarly happen, but could happen + %% if a computer is wrongly configured. + [] + end, + Head=[{content_type,"text/html"}, + {content_length, + integer_to_list(httpd_util:flatlength(Dir))}, + {code,200} | LastModified], + {proceed,[{response,{response, Head, Dir}}, + {mime_type,"text/html"} | Info#mod.data]}; + {error, Reason} -> + ?ERROR("do_dir -> dir operation failed: ~p",[Reason]), + {proceed, + [{status,{404,Info#mod.request_uri,Reason}}| + Info#mod.data]} + end; + {ok, _FileInfo} -> + ?DEBUG("do_dir -> ~n" + " Path: ~p~n" + " DefaultPath: ~p~n" + " FileInfo: ~p", + [Path,DefaultPath,FileInfo]), + {proceed,Info#mod.data}; + {error,Reason} -> + ?LOG("do_dir -> failed reading file info (~p) for: ~p", + [Reason,DefaultPath]), + Status = httpd_file:handle_error(Reason, "access", Info, + DefaultPath), + {proceed, [{status, Status}| Info#mod.data]} + end. + +dir(Path,RequestURI,ConfigDB) -> + case file:list_dir(Path) of + {ok,FileList} -> + SortedFileList=lists:sort(FileList), + {ok,[header(Path,RequestURI), + body(Path,RequestURI,ConfigDB,SortedFileList), + footer(Path,SortedFileList)]}; + {error,Reason} -> + {error,?NICE("Can't open directory "++Path++": "++ + file:format_error(Reason))} + end. + +%% header + +header(Path,RequestURI) -> + Header = "<HTML>\n<HEAD>\n<TITLE>Index of "++ RequestURI ++ + "</TITLE>\n</HEAD>\n<BODY>\n<H1>Index of "++ + RequestURI ++ "</H1>\n<PRE><IMG SRC=\"" ++ icon(blank) ++ + "\" ALT=" "> Name Last modified " + "Size Description <HR>\n", + case inets_regexp:sub(RequestURI,"[^/]*\$","") of + {ok,"/",_} -> + Header; + {ok,ParentRequestURI,_} -> + {ok,ParentPath,_} = + inets_regexp:sub(string:strip(Path,right,$/),"[^/]*\$",""), + Header++format(ParentPath,ParentRequestURI) + end. + +format(Path,RequestURI) -> + {ok,FileInfo}=file:read_file_info(Path), + {{Year, Month, Day},{Hour, Minute, _Second}} = FileInfo#file_info.mtime, + io_lib:format("<IMG SRC=\"~s\" ALT=\"[~s]\">" + " <A HREF=\"~s\">Parent directory</A> " + " ~2.2.0w-~s-~w ~2.2.0w:~2.2.0w -\n", + [icon(back),"DIR",RequestURI,Day, + httpd_util:month(Month),Year,Hour,Minute]). + +%% body + +body(_Path, _RequestURI, _ConfigDB, []) -> + []; +body(Path, RequestURI, ConfigDB, [Entry | Rest]) -> + [format(Path, RequestURI, ConfigDB, Entry)| + body(Path, RequestURI, ConfigDB, Rest)]. + +format(Path,RequestURI,ConfigDB,Entry) -> + case file:read_file_info(Path++"/"++Entry) of + {ok,FileInfo} when FileInfo#file_info.type == directory -> + {{Year, Month, Day},{Hour, Minute, _Second}} = + FileInfo#file_info.mtime, + EntryLength=length(Entry), + if + EntryLength > 21 -> + io_lib:format("<IMG SRC=\"~s\" ALT=\"[~s]\"> " + "<A HREF=\"~s\">~-21.s..</A>" + "~2.2.0w-~s-~w ~2.2.0w:~2.2.0w" + " -\n", [icon(folder),"DIR", + RequestURI++"/"++Entry++"/", + Entry, + Day, httpd_util:month(Month), + Year,Hour,Minute]); + true -> + io_lib:format("<IMG SRC=\"~s\" ALT=\"[~s]\">" + " <A HREF=\"~s\">~s</A>~*.*c~2.2.0" + "w-~s-~w ~2.2.0w:~2.2.0w -\n", + [icon(folder),"DIR",RequestURI ++ "/" ++ + Entry ++ "/",Entry, + 23-EntryLength,23-EntryLength,$ ,Day, + httpd_util:month(Month),Year,Hour,Minute]) + end; + {ok,FileInfo} -> + {{Year, Month, Day},{Hour, Minute,_Second}} = + FileInfo#file_info.mtime, + Suffix=httpd_util:suffix(Entry), + MimeType=httpd_util:lookup_mime(ConfigDB,Suffix,""), + EntryLength=length(Entry), + if + EntryLength > 21 -> + io_lib:format("<IMG SRC=\"~s\" ALT=\"[~s]\">" + " <A HREF=\"~s\">~-21.s..</A>~2.2.0" + "w-~s-~w ~2.2.0w:~2.2.0w~8wk ~s\n", + [icon(Suffix, MimeType), Suffix, RequestURI + ++"/"++Entry, Entry,Day, + httpd_util:month(Month),Year,Hour,Minute, + trunc(FileInfo#file_info.size/1024+1), + MimeType]); + true -> + io_lib:format("<IMG SRC=\"~s\" ALT=\"[~s]\"> " + "<A HREF=\"~s\">~s</A>~*.*c~2.2.0w-~s-~w" + " ~2.2.0w:~2.2.0w~8wk ~s\n", + [icon(Suffix, MimeType), Suffix, RequestURI + ++ "/" ++ Entry, Entry, 23-EntryLength, + 23-EntryLength, $ ,Day, + httpd_util:month(Month),Year,Hour,Minute, + trunc(FileInfo#file_info.size/1024+1), + MimeType]) + end; + {error, _Reason} -> + "" + end. + +%% footer + +footer(Path,FileList) -> + case lists:member("README",FileList) of + true -> + {ok,Body}=file:read_file(Path++"/README"), + "</PRE>\n<HR>\n<PRE>\n"++binary_to_list(Body)++ + "\n</PRE>\n</BODY>\n</HTML>\n"; + false -> + "</PRE>\n</BODY>\n</HTML>\n" + end. + +%% +%% Icon mappings are hard-wired ala default Apache (Ugly!) +%% + +icon(Suffix,MimeType) -> + case icon(Suffix) of + undefined -> + case MimeType of + [$t,$e,$x,$t,$/|_] -> + "/icons/text.gif"; + [$i,$m,$a,$g,$e,$/|_] -> + "/icons/image2.gif"; + [$a,$u,$d,$i,$o,$/|_] -> + "/icons/sound2.gif"; + [$v,$i,$d,$e,$o,$/|_] -> + "/icons/movie.gif"; + _ -> + "/icons/unknown.gif" + end; + Icon -> + Icon + end. + +icon(blank) -> "/icons/blank.gif"; +icon(back) -> "/icons/back.gif"; +icon(folder) -> "/icons/folder.gif"; +icon("bin") -> "/icons/binary.gif"; +icon("exe") -> "/icons/binary.gif"; +icon("hqx") -> "/icons/binhex.gif"; +icon("tar") -> "/icons/tar.gif"; +icon("wrl") -> "/icons/world2.gif"; +icon("wrl.gz") -> "/icons/world2.gif"; +icon("vrml") -> "/icons/world2.gif"; +icon("vrm") -> "/icons/world2.gif"; +icon("iv") -> "/icons/world2.gif"; +icon("Z") -> "/icons/compressed.gif"; +icon("z") -> "/icons/compressed.gif"; +icon("tgz") -> "/icons/compressed.gif"; +icon("gz") -> "/icons/compressed.gif"; +icon("zip") -> "/icons/compressed.gif"; +icon("ps") -> "/icons/a.gif"; +icon("ai") -> "/icons/a.gif"; +icon("eps") -> "/icons/a.gif"; +icon("html") -> "/icons/layout.gif"; +icon("shtml") -> "/icons/layout.gif"; +icon("htm") -> "/icons/layout.gif"; +icon("pdf") -> "/icons/layout.gif"; +icon("txt") -> "/icons/text.gif"; +icon("erl") -> "/icons/burst.gif"; +icon("c") -> "/icons/c.gif"; +icon("pl") -> "/icons/p.gif"; +icon("py") -> "/icons/p.gif"; +icon("for") -> "/icons/f.gif"; +icon("dvi") -> "/icons/dvi.gif"; +icon("uu") -> "/icons/uuencoded.gif"; +icon("conf") -> "/icons/script.gif"; +icon("sh") -> "/icons/script.gif"; +icon("shar") -> "/icons/script.gif"; +icon("csh") -> "/icons/script.gif"; +icon("ksh") -> "/icons/script.gif"; +icon("tcl") -> "/icons/script.gif"; +icon("tex") -> "/icons/tex.gif"; +icon("core") -> "/icons/tex.gif"; +icon(_) -> undefined. + + |