mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-24 16:23:40 +01:00
New option directory_indices, and improve logging (thanks to Brian Cully)(EJAB-932)
SVN Revision: 2180
This commit is contained in:
Badlop
parent
1bcc001615
commit
c4e80abeac
@ -52,10 +52,16 @@
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-define(STRING2LOWER, httpd_util).
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-endif.
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-record(state, {host, docroot, accesslog, accesslogfd}).
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-record(state, {host, docroot, accesslog, accesslogfd, directory_indices}).
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-define(PROCNAME, ejabberd_mod_http_fileserver).
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%% Response is {DataSize, Code, [{HeaderKey, HeaderValue}], Data}
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-define(HTTP_ERR_FILE_NOT_FOUND, {-1, 404, [], "Not found"}).
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-define(HTTP_ERR_FORBIDDEN, {-1, 403, [], "Forbidden"}).
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-compile(export_all).
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%%====================================================================
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%% gen_mod callbacks
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%%====================================================================
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@ -100,11 +106,12 @@ start_link(Host, Opts) ->
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%%--------------------------------------------------------------------
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init([Host, Opts]) ->
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try initialize(Host, Opts) of
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{DocRoot, AccessLog, AccessLogFD} ->
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{DocRoot, AccessLog, AccessLogFD, DirectoryIndices} ->
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{ok, #state{host = Host,
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accesslog = AccessLog,
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accesslogfd = AccessLogFD,
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docroot = DocRoot}}
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docroot = DocRoot,
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directory_indices = DirectoryIndices}}
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catch
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throw:Reason ->
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{stop, Reason}
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@ -118,7 +125,8 @@ initialize(Host, Opts) ->
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check_docroot_is_readable(DRInfo, DocRoot),
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AccessLog = gen_mod:get_opt(accesslog, Opts, undefined),
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AccessLogFD = try_open_log(AccessLog, Host),
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{DocRoot, AccessLog, AccessLogFD}.
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DirectoryIndices = gen_mod:get_opt(directory_indices, Opts, []),
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{DocRoot, AccessLog, AccessLogFD, DirectoryIndices}.
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check_docroot_defined(DocRoot, Host) ->
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case DocRoot of
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@ -168,7 +176,7 @@ try_open_log(FN, Host) ->
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%% Description: Handling call messages
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%%--------------------------------------------------------------------
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handle_call({serve, LocalPath}, _From, State) ->
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Reply = serve(LocalPath, State#state.docroot),
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Reply = serve(LocalPath, State#state.docroot, State#state.directory_indices),
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{reply, Reply, State};
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handle_call(_Request, _From, State) ->
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{reply, ok, State}.
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@ -179,8 +187,8 @@ handle_call(_Request, _From, State) ->
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%% {stop, Reason, State}
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%% Description: Handling cast messages
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%%--------------------------------------------------------------------
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handle_cast({add_to_log, Code, Request}, State) ->
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add_to_log(State#state.accesslogfd, Code, Request),
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handle_cast({add_to_log, FileSize, Code, Request}, State) ->
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add_to_log(State#state.accesslogfd, FileSize, Code, Request),
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{noreply, State};
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handle_cast(reopen_log, State) ->
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FD2 = reopen_log(State#state.accesslog, State#state.accesslogfd),
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@ -227,34 +235,46 @@ code_change(_OldVsn, State, _Extra) ->
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process(LocalPath, Request) ->
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?DEBUG("Requested ~p", [LocalPath]),
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try gen_server:call(get_proc_name(Request#request.host), {serve, LocalPath}) of
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Result ->
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{Code, _, _} = Result,
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add_to_log(Code, Request),
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Result
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{FileSize, Code, Headers, Contents} ->
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add_to_log(FileSize, Code, Request),
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{Code, Headers, Contents}
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catch
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exit:{noproc, _} ->
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ejabberd_web:error(not_found)
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end.
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serve(LocalPath, DocRoot) ->
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serve(LocalPath, DocRoot, DirectoryIndices) ->
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FileName = filename:join(filename:split(DocRoot) ++ LocalPath),
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case file:read_file(FileName) of
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{ok, FileContents} ->
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?DEBUG("Delivering content.", []),
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{200,
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[{"Server", "ejabberd"},
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{"Last-Modified", last_modified(FileName)},
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{"Content-Type", content_type(FileName)}],
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FileContents};
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{error, Error} ->
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?DEBUG("Delivering error: ~p", [Error]),
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case Error of
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eacces -> {403, [], "Forbidden"};
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enoent -> {404, [], "Not found"};
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_Else -> {404, [], atom_to_list(Error)}
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end
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case file:read_file_info(FileName) of
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{error, enoent} -> ?HTTP_ERR_FILE_NOT_FOUND;
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{error, eacces} -> ?HTTP_ERR_FORBIDDEN;
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{ok, #file_info{type = directory}} -> serve_index(FileName, DirectoryIndices);
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{ok, FileInfo} -> serve_file(FileInfo, FileName)
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end.
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%% Troll through the directory indices attempting to find one which
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%% works, if none can be found, return a 404.
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serve_index(_FileName, []) ->
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?HTTP_ERR_FILE_NOT_FOUND;
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serve_index(FileName, [Index | T]) ->
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IndexFileName = filename:join([FileName] ++ [Index]),
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case file:read_file_info(IndexFileName) of
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{error, _Error} -> serve_index(FileName, T);
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{ok, #file_info{type = directory}} -> serve_index(FileName, T);
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{ok, FileInfo} -> serve_file(FileInfo, IndexFileName)
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end.
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%% Assume the file exists if we got this far and attempt to read it in
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%% and serve it up.
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serve_file(FileInfo, FileName) ->
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?DEBUG("Delivering: ~s", [FileName]),
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{ok, FileContents} = file:read_file(FileName),
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{FileInfo#file_info.size,
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200, [{"Server", "ejabberd"},
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{"Last-Modified", last_modified(FileInfo)},
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{"Content-Type", content_type(FileName)}],
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FileContents}.
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%%----------------------------------------------------------------------
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%% Log file
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%%----------------------------------------------------------------------
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@ -279,16 +299,15 @@ reopen_log(FN, FD) ->
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reopen_log(Host) ->
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gen_server:cast(get_proc_name(Host), reopen_log).
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add_to_log(Code, Request) ->
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add_to_log(FileSize, Code, Request) ->
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gen_server:cast(get_proc_name(Request#request.host),
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{add_to_log, Code, Request}).
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{add_to_log, FileSize, Code, Request}).
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add_to_log(undefined, _Code, _Request) ->
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add_to_log(undefined, _FileSize, _Code, _Request) ->
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ok;
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add_to_log(File, Code, Request) ->
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add_to_log(File, FileSize, Code, Request) ->
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{{Year, Month, Day}, {Hour, Minute, Second}} = calendar:local_time(),
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%% TODO: This IP address conversion supports only IPv4, not IPv6
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IP = join(tuple_to_list(element(1, Request#request.ip)), "."),
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IP = ip_to_string(element(1, Request#request.ip)),
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Path = join(Request#request.path, "/"),
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Query = case join(lists:map(fun(E) -> lists:concat([element(1, E), "=", element(2, E)]) end,
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Request#request.q), "&") of
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@ -297,6 +316,8 @@ add_to_log(File, Code, Request) ->
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String ->
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[$? | String]
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end,
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UserAgent = find_header('User-Agent', Request#request.headers, "-"),
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Referer = find_header('Referer', Request#request.headers, "-"),
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%% Pseudo Combined Apache log format:
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%% 127.0.0.1 - - [28/Mar/2007:18:41:55 +0200] "GET / HTTP/1.1" 302 303 "-" "tsung"
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%% TODO some fields are harcoded/missing:
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@ -304,12 +325,16 @@ add_to_log(File, Code, Request) ->
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%% Month should be 3*letter, not integer 1..12
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%% Missing time zone = (`+' | `-') 4*digit
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%% Missing protocol version: HTTP/1.1
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%% Missing size of the object, not including response headers. If no content: "-"
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%% Missing Referer HTTP request header
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%% Missing User-Agent HTTP request header.
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%% For reference: http://httpd.apache.org/docs/2.2/logs.html
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io:format(File, "~s - - [~p/~p/~p:~p:~p:~p] \"~s /~s~s\" ~p -1 \"-\" \"-\"~n",
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[IP, Day, Month, Year, Hour, Minute, Second, Request#request.method, Path, Query, Code]).
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io:format(File, "~s - - [~p/~p/~p:~p:~p:~p] \"~s /~s~s\" ~p ~p ~p ~p~n",
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[IP, Day, Month, Year, Hour, Minute, Second, Request#request.method, Path, Query, Code,
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FileSize, Referer, UserAgent]).
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find_header(Header, Headers, Default) ->
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case lists:keysearch(Header, 1, Headers) of
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{value, {_, Value}} -> Value;
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false -> Default
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end.
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%%----------------------------------------------------------------------
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%% Utilities
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@ -340,7 +365,14 @@ content_type(Filename) ->
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_Else -> "application/octet-stream"
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end.
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last_modified(FileName) ->
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{ok, FileInfo} = file:read_file_info(FileName),
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last_modified(FileInfo) ->
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Then = FileInfo#file_info.mtime,
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httpd_util:rfc1123_date(Then).
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%% Convert IP address tuple to string representation. Accepts either
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%% IPv4 or IPv6 address tuples.
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ip_to_string(Address) when size(Address) == 4 ->
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join(tuple_to_list(Address), ".");
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ip_to_string(Address) when size(Address) == 8 ->
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Parts = lists:map(fun (Int) -> io_lib:format("~.16B", [Int]) end, tuple_to_list(Address)),
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?STRING2LOWER:to_lower(lists:flatten(join(Parts, ":"))).
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