diff options
Diffstat (limited to 'lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_include.erl')
| -rw-r--r-- | lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_include.erl | 726 |
1 files changed, 0 insertions, 726 deletions
diff --git a/lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_include.erl b/lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_include.erl deleted file mode 100644 index c93e0a4f59..0000000000 --- a/lib/dialyzer/test/r9c_tests_SUITE_data/src/inets/mod_include.erl +++ /dev/null @@ -1,726 +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_include.erl,v 1.1 2008/12/17 09:53:35 mikpe Exp $ -%% --module(mod_include). --export([do/1,parse/2,config/6,include/6,echo/6,fsize/6,flastmod/6,exec/6]). - --include("httpd.hrl"). - --define(VMODULE,"INCLUDE"). --include("httpd_verbosity.hrl"). - -%% do - -do(Info) -> - ?vtrace("do",[]), - case Info#mod.method of - "GET" -> - 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 -> - do_include(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_include(Info) -> - ?vtrace("do_include -> entry with" - "~n URI: ~p",[Info#mod.request_uri]), - Path = mod_alias:path(Info#mod.data,Info#mod.config_db, - Info#mod.request_uri), - Suffix = httpd_util:suffix(Path), - case httpd_util:lookup_mime_default(Info#mod.config_db,Suffix) of - "text/x-server-parsed-html" -> - HeaderStart = - httpd_util:header(200, "text/html", Info#mod.connection), - ?vtrace("do_include -> send ~p", [Path]), - case send_in(Info,Path,HeaderStart,file:read_file_info(Path)) of - {ok, ErrorLog, Size} -> - ?vtrace("do_include -> sent ~w bytes", [Size]), - {proceed,[{response,{already_sent,200,Size}}, - {mime_type,"text/html"}| - lists:append(ErrorLog,Info#mod.data)]}; - {error, Reason} -> - ?vlog("send in failed:" - "~n Reason: ~p" - "~n Path: ~p" - "~n Info: ~p", - [Reason,Info,Path]), - {proceed, - [{status,send_error(Reason,Info,Path)}|Info#mod.data]} - end; - _ -> %% Unknown mime type, ignore - {proceed,Info#mod.data} - end. - - -%% -%% config directive -%% - -config(Info, Context, ErrorLog, TagList, ValueList, R) -> - case verify_tags("config",[errmsg,timefmt,sizefmt], - TagList,ValueList) of - ok -> - {ok,update_context(TagList,ValueList,Context),ErrorLog,"",R}; - {error,Reason} -> - {ok,Context,[{internal_info,Reason}|ErrorLog], - httpd_util:key1search(Context,errmsg,""),R} - end. - -update_context([],[],Context) -> - Context; -update_context([Tag|R1],[Value|R2],Context) -> - update_context(R1,R2,[{Tag,Value}|Context]). - -verify_tags(Command,ValidTags,TagList,ValueList) when length(TagList)==length(ValueList) -> - verify_tags(Command,ValidTags,TagList); -verify_tags(Command,ValidTags,TagList,ValueList) -> - {error,?NICE(Command++" directive has spurious tags")}. - -verify_tags(Command, ValidTags, []) -> - ok; -verify_tags(Command, ValidTags, [Tag|Rest]) -> - case lists:member(Tag, ValidTags) of - true -> - verify_tags(Command, ValidTags, Rest); - false -> - {error,?NICE(Command++" directive has a spurious tag ("++ - atom_to_list(Tag)++")")} - end. - -%% -%% include directive -%% - -include(Info,Context,ErrorLog,[virtual],[VirtualPath],R) -> - Aliases = httpd_util:multi_lookup(Info#mod.config_db,alias), - {_, Path, _AfterPath} = - mod_alias:real_name(Info#mod.config_db, VirtualPath, Aliases), - include(Info,Context,ErrorLog,R,Path); -include(Info, Context, ErrorLog, [file], [FileName], R) -> - Path = file(Info#mod.config_db, Info#mod.request_uri, FileName), - include(Info, Context, ErrorLog, R, Path); -include(Info, Context, ErrorLog, TagList, ValueList, R) -> - {ok, Context, - [{internal_info,?NICE("include directive has a spurious tag")}| - ErrorLog], httpd_util:key1search(Context, errmsg, ""), R}. - -include(Info, Context, ErrorLog, R, Path) -> - ?DEBUG("include -> read file: ~p",[Path]), - case file:read_file(Path) of - {ok, Body} -> - ?DEBUG("include -> size(Body): ~p",[size(Body)]), - {ok, NewContext, NewErrorLog, Result} = - parse(Info, binary_to_list(Body), Context, ErrorLog, []), - {ok, Context, NewErrorLog, Result, R}; - {error, Reason} -> - {ok, Context, - [{internal_info, ?NICE("Can't open "++Path)}|ErrorLog], - httpd_util:key1search(Context, errmsg, ""), R} - end. - -file(ConfigDB, RequestURI, FileName) -> - Aliases = httpd_util:multi_lookup(ConfigDB, alias), - {_, Path, _AfterPath} - = mod_alias:real_name(ConfigDB, RequestURI, Aliases), - Pwd = filename:dirname(Path), - filename:join(Pwd, FileName). - -%% -%% echo directive -%% - -echo(Info,Context,ErrorLog,[var],["DOCUMENT_NAME"],R) -> - {ok,Context,ErrorLog,document_name(Info#mod.data,Info#mod.config_db, - Info#mod.request_uri),R}; -echo(Info,Context,ErrorLog,[var],["DOCUMENT_URI"],R) -> - {ok,Context,ErrorLog,document_uri(Info#mod.config_db, - Info#mod.request_uri),R}; -echo(Info,Context,ErrorLog,[var],["QUERY_STRING_UNESCAPED"],R) -> - {ok,Context,ErrorLog,query_string_unescaped(Info#mod.request_uri),R}; -echo(Info,Context,ErrorLog,[var],["DATE_LOCAL"],R) -> - {ok,Context,ErrorLog,date_local(),R}; -echo(Info,Context,ErrorLog,[var],["DATE_GMT"],R) -> - {ok,Context,ErrorLog,date_gmt(),R}; -echo(Info,Context,ErrorLog,[var],["LAST_MODIFIED"],R) -> - {ok,Context,ErrorLog,last_modified(Info#mod.data,Info#mod.config_db, - Info#mod.request_uri),R}; -echo(Info,Context,ErrorLog,TagList,ValueList,R) -> - {ok,Context, - [{internal_info,?NICE("echo directive has a spurious tag")}| - ErrorLog],"(none)",R}. - -document_name(Data,ConfigDB,RequestURI) -> - Path = mod_alias:path(Data,ConfigDB,RequestURI), - case regexp:match(Path,"[^/]*\$") of - {match,Start,Length} -> - string:substr(Path,Start,Length); - nomatch -> - "(none)" - end. - -document_uri(ConfigDB, RequestURI) -> - Aliases = httpd_util:multi_lookup(ConfigDB, alias), - {Path, AfterPath} = - case mod_alias:real_name(ConfigDB, RequestURI, Aliases) of - {_, Name, {[], []}} -> - {Name, ""}; - {_, Name, {PathInfo, []}} -> - {Name, "/"++PathInfo}; - {_, Name, {PathInfo, QueryString}} -> - {Name, "/"++PathInfo++"?"++QueryString}; - {_, Name, _} -> - {Name, ""}; - Gurka -> - io:format("Gurka: ~p~n", [Gurka]) - end, - VirtualPath = string:substr(RequestURI, 1, - length(RequestURI)-length(AfterPath)), - {match, Start, Length} = regexp:match(Path,"[^/]*\$"), - FileName = string:substr(Path,Start,Length), - case regexp:match(VirtualPath, FileName++"\$") of - {match, _, _} -> - httpd_util:decode_hex(VirtualPath)++AfterPath; - nomatch -> - string:strip(httpd_util:decode_hex(VirtualPath),right,$/)++ - "/"++FileName++AfterPath - end. - -query_string_unescaped(RequestURI) -> - case regexp:match(RequestURI,"[\?].*\$") of - {match,Start,Length} -> - %% Escape all shell-special variables with \ - escape(string:substr(RequestURI,Start+1,Length-1)); - nomatch -> - "(none)" - end. - -escape([]) -> []; -escape([$;|R]) -> [$\\,$;|escape(R)]; -escape([$&|R]) -> [$\\,$&|escape(R)]; -escape([$(|R]) -> [$\\,$(|escape(R)]; -escape([$)|R]) -> [$\\,$)|escape(R)]; -escape([$||R]) -> [$\\,$||escape(R)]; -escape([$^|R]) -> [$\\,$^|escape(R)]; -escape([$<|R]) -> [$\\,$<|escape(R)]; -escape([$>|R]) -> [$\\,$>|escape(R)]; -escape([$\n|R]) -> [$\\,$\n|escape(R)]; -escape([$ |R]) -> [$\\,$ |escape(R)]; -escape([$\t|R]) -> [$\\,$\t|escape(R)]; -escape([C|R]) -> [C|escape(R)]. - -date_local() -> - {{Year,Month,Day},{Hour,Minute,Second}}=calendar:local_time(), - %% Time format hard-wired to: "%a %b %e %T %Y" according to strftime(3) - io_lib:format("~s ~s ~2w ~2.2.0w:~2.2.0w:~2.2.0w ~w", - [httpd_util:day(calendar:day_of_the_week(Year,Month,Day)), - httpd_util:month(Month),Day,Hour,Minute,Second,Year]). - -date_gmt() -> - {{Year,Month,Day},{Hour,Minute,Second}}=calendar:universal_time(), - %% Time format hard-wired to: "%a %b %e %T %Z %Y" according to strftime(3) - io_lib:format("~s ~s ~2w ~2.2.0w:~2.2.0w:~2.2.0w GMT ~w", - [httpd_util:day(calendar:day_of_the_week(Year,Month,Day)), - httpd_util:month(Month),Day,Hour,Minute,Second,Year]). - -last_modified(Data,ConfigDB,RequestURI) -> - {ok,FileInfo}=file:read_file_info(mod_alias:path(Data,ConfigDB,RequestURI)), - {{Year,Month,Day},{Hour,Minute,Second}}=FileInfo#file_info.mtime, - io_lib:format("~s ~s ~2w ~2.2.0w:~2.2.0w:~2.2.0w ~w", - [httpd_util:day(calendar:day_of_the_week(Year,Month,Day)), - httpd_util:month(Month),Day,Hour,Minute,Second,Year]). - -%% -%% fsize directive -%% - -fsize(Info,Context,ErrorLog,[virtual],[VirtualPath],R) -> - Aliases=httpd_util:multi_lookup(Info#mod.config_db,alias), - {_,Path,AfterPath}= - mod_alias:real_name(Info#mod.config_db,VirtualPath,Aliases), - fsize(Info, Context, ErrorLog, R, Path); -fsize(Info,Context,ErrorLog,[file],[FileName],R) -> - Path=file(Info#mod.config_db,Info#mod.request_uri,FileName), - fsize(Info,Context,ErrorLog,R,Path); -fsize(Info,Context,ErrorLog,TagList,ValueList,R) -> - {ok,Context,[{internal_info,?NICE("fsize directive has a spurious tag")}| - ErrorLog],httpd_util:key1search(Context,errmsg,""),R}. - -fsize(Info,Context,ErrorLog,R,Path) -> - case file:read_file_info(Path) of - {ok,FileInfo} -> - case httpd_util:key1search(Context,sizefmt) of - "bytes" -> - {ok,Context,ErrorLog, - integer_to_list(FileInfo#file_info.size),R}; - "abbrev" -> - Size = integer_to_list(trunc(FileInfo#file_info.size/1024+1))++"k", - {ok,Context,ErrorLog,Size,R}; - Value-> - {ok,Context, - [{internal_info, - ?NICE("fsize directive has a spurious tag value ("++ - Value++")")}| - ErrorLog], - httpd_util:key1search(Context, errmsg, ""), R} - end; - {error,Reason} -> - {ok,Context,[{internal_info,?NICE("Can't open "++Path)}|ErrorLog], - httpd_util:key1search(Context,errmsg,""),R} - end. - -%% -%% flastmod directive -%% - -flastmod(Info, Context, ErrorLog, [virtual], [VirtualPath],R) -> - Aliases=httpd_util:multi_lookup(Info#mod.config_db,alias), - {_,Path,AfterPath}= - mod_alias:real_name(Info#mod.config_db,VirtualPath,Aliases), - flastmod(Info,Context,ErrorLog,R,Path); -flastmod(Info, Context, ErrorLog, [file], [FileName], R) -> - Path = file(Info#mod.config_db, Info#mod.request_uri, FileName), - flastmod(Info, Context, ErrorLog, R, Path); -flastmod(Info,Context,ErrorLog,TagList,ValueList,R) -> - {ok,Context,[{internal_info,?NICE("flastmod directive has a spurious tag")}| - ErrorLog],httpd_util:key1search(Context,errmsg,""),R}. - -flastmod(Info,Context,ErrorLog,R,File) -> - case file:read_file_info(File) of - {ok,FileInfo} -> - {{Yr,Mon,Day},{Hour,Minute,Second}}=FileInfo#file_info.mtime, - Result= - io_lib:format("~s ~s ~2w ~w:~w:~w ~w", - [httpd_util:day( - calendar:day_of_the_week(Yr,Mon, Day)), - httpd_util:month(Mon),Day,Hour,Minute,Second, Yr]), - {ok,Context,ErrorLog,Result,R}; - {error,Reason} -> - {ok,Context,[{internal_info,?NICE("Can't open "++File)}|ErrorLog], - httpd_util:key1search(Context,errmsg,""),R} - end. - -%% -%% exec directive -%% - -exec(Info,Context,ErrorLog,[cmd],[Command],R) -> - ?vtrace("exec cmd:~n Command: ~p",[Command]), - cmd(Info,Context,ErrorLog,R,Command); -exec(Info,Context,ErrorLog,[cgi],[RequestURI],R) -> - ?vtrace("exec cgi:~n RequestURI: ~p",[RequestURI]), - cgi(Info,Context,ErrorLog,R,RequestURI); -exec(Info,Context,ErrorLog,TagList,ValueList,R) -> - ?vtrace("exec with spurious tag:" - "~n TagList: ~p" - "~n ValueList: ~p", - [TagList,ValueList]), - {ok, Context, - [{internal_info,?NICE("exec directive has a spurious tag")}| - ErrorLog], httpd_util:key1search(Context,errmsg,""),R}. - -%% cmd - -cmd(Info, Context, ErrorLog, R, Command) -> - process_flag(trap_exit,true), - Env = env(Info), - Dir = filename:dirname(Command), - Port = (catch open_port({spawn,Command},[stream,{cd,Dir},{env,Env}])), - case Port of - P when port(P) -> - {NewErrorLog, Result} = proxy(Port, ErrorLog), - {ok, Context, NewErrorLog, Result, R}; - {'EXIT', Reason} -> - ?vlog("open port failed: exit" - "~n URI: ~p" - "~n Reason: ~p", - [Info#mod.request_uri,Reason]), - exit({open_port_failed,Reason, - [{uri,Info#mod.request_uri},{script,Command}, - {env,Env},{dir,Dir}]}); - O -> - ?vlog("open port failed: unknown result" - "~n URI: ~p" - "~n O: ~p", - [Info#mod.request_uri,O]), - exit({open_port_failed,O, - [{uri,Info#mod.request_uri},{script,Command}, - {env,Env},{dir,Dir}]}) - end. - -env(Info) -> - [{"DOCUMENT_NAME",document_name(Info#mod.data,Info#mod.config_db, - Info#mod.request_uri)}, - {"DOCUMENT_URI", document_uri(Info#mod.config_db, Info#mod.request_uri)}, - {"QUERY_STRING_UNESCAPED", query_string_unescaped(Info#mod.request_uri)}, - {"DATE_LOCAL", date_local()}, - {"DATE_GMT", date_gmt()}, - {"LAST_MODIFIED", last_modified(Info#mod.data, Info#mod.config_db, - Info#mod.request_uri)} - ]. - -%% cgi - -cgi(Info, Context, ErrorLog, R, RequestURI) -> - ScriptAliases = httpd_util:multi_lookup(Info#mod.config_db, script_alias), - case mod_alias:real_script_name(Info#mod.config_db, RequestURI, - ScriptAliases) of - {Script, AfterScript} -> - exec_script(Info,Script,AfterScript,ErrorLog,Context,R); - not_a_script -> - {ok, Context, - [{internal_info, ?NICE(RequestURI++" is not a script")}| - ErrorLog], httpd_util:key1search(Context, errmsg, ""),R} - end. - -remove_header([]) -> - []; -remove_header([$\n,$\n|Rest]) -> - Rest; -remove_header([C|Rest]) -> - remove_header(Rest). - - -exec_script(Info,Script,AfterScript,ErrorLog,Context,R) -> - process_flag(trap_exit,true), - Aliases = httpd_util:multi_lookup(Info#mod.config_db, alias), - {_, Path, AfterPath} = mod_alias:real_name(Info#mod.config_db, - Info#mod.request_uri, - Aliases), - Env = env(Info)++mod_cgi:env(Info, Path, AfterPath), - Dir = filename:dirname(Path), - Port = (catch open_port({spawn,Script},[stream,{env, Env},{cd, Dir}])), - case Port of - P when port(P) -> - %% Send entity body to port. - Res = case Info#mod.entity_body of - [] -> - true; - EntityBody -> - (catch port_command(Port,EntityBody)) - end, - case Res of - {'EXIT', Reason} -> - ?vlog("port send failed:" - "~n Port: ~p" - "~n URI: ~p" - "~n Reason: ~p", - [Port,Info#mod.request_uri,Reason]), - exit({open_cmd_failed,Reason, - [{mod,?MODULE},{port,Port}, - {uri,Info#mod.request_uri}, - {script,Script},{env,Env},{dir,Dir}, - {ebody_size,sz(Info#mod.entity_body)}]}); - true -> - {NewErrorLog, Result} = proxy(Port, ErrorLog), - {ok, Context, NewErrorLog, remove_header(Result), R} - end; - {'EXIT', Reason} -> - ?vlog("open port failed: exit" - "~n URI: ~p" - "~n Reason: ~p", - [Info#mod.request_uri,Reason]), - exit({open_port_failed,Reason, - [{mod,?MODULE},{uri,Info#mod.request_uri},{script,Script}, - {env,Env},{dir,Dir}]}); - O -> - ?vlog("open port failed: unknown result" - "~n URI: ~p" - "~n O: ~p", - [Info#mod.request_uri,O]), - exit({open_port_failed,O, - [{mod,?MODULE},{uri,Info#mod.request_uri},{script,Script}, - {env,Env},{dir,Dir}]}) - end. - - -%% -%% Port communication -%% - -proxy(Port,ErrorLog) -> - process_flag(trap_exit, true), - proxy(Port, ErrorLog, []). - -proxy(Port, ErrorLog, Result) -> - receive - {Port, {data, Response}} -> - proxy(Port, ErrorLog, lists:append(Result,Response)); - {'EXIT', Port, normal} when port(Port) -> - process_flag(trap_exit, false), - {ErrorLog, Result}; - {'EXIT', Port, Reason} when port(Port) -> - process_flag(trap_exit, false), - {[{internal_info, - ?NICE("Scrambled output from CGI-script")}|ErrorLog], - Result}; - {'EXIT', Pid, Reason} when pid(Pid) -> - process_flag(trap_exit, false), - {'EXIT', Pid, Reason}; - %% This should not happen! - WhatEver -> - process_flag(trap_exit, false), - {ErrorLog, Result} - end. - - -%% ------ -%% Temporary until I figure out a way to fix send_in_chunks -%% (comments and directives that start in one chunk but end -%% in another is not handled). -%% - -send_in(Info, Path,Head, {ok,FileInfo}) -> - case file:read_file(Path) of - {ok, Bin} -> - send_in1(Info, binary_to_list(Bin), Head, FileInfo); - {error, Reason} -> - ?vlog("failed reading file: ~p",[Reason]), - {error, {open,Reason}} - end; -send_in(Info,Path,Head,{error,Reason}) -> - ?vlog("failed open file: ~p",[Reason]), - {error, {open,Reason}}. - -send_in1(Info, Data,Head,FileInfo) -> - {ok, _Context, Err, ParsedBody} = parse(Info,Data,?DEFAULT_CONTEXT,[],[]), - Size = length(ParsedBody), - ?vdebug("send_in1 -> Size: ~p",[Size]), - Head1 = case Info#mod.http_version of - "HTTP/1.1"-> - Head ++ - "Content-Length: " ++ - integer_to_list(Size) ++ - "\r\nEtag:" ++ - httpd_util:create_etag(FileInfo,Size) ++"\r\n" ++ - "Last-Modified: " ++ - httpd_util:rfc1123_date(FileInfo#file_info.mtime) ++ - "\r\n\r\n"; - _-> - %% i.e http/1.0 and http/0.9 - Head ++ - "Content-Length: " ++ - integer_to_list(Size) ++ - "\r\nLast-Modified: " ++ - httpd_util:rfc1123_date(FileInfo#file_info.mtime) ++ - "\r\n\r\n" - end, - httpd_socket:deliver(Info#mod.socket_type,Info#mod.socket, - [Head1,ParsedBody]), - {ok, Err, Size}. - - - -%% -%% Addition to "Fuzzy" HTML parser. This is actually a ugly hack to -%% avoid putting to much data on the heap. To be rewritten... -%% - -% -define(CHUNK_SIZE, 4096). - -% send_in_chunks(Info, Path) -> -% ?DEBUG("send_in_chunks -> Path: ~p",[Path]), -% case file:open(Path, [read, raw]) of -% {ok, Stream} -> -% send_in_chunks(Info, Stream, ?DEFAULT_CONTEXT,[]); -% {error, Reason} -> -% ?ERROR("Failed open file: ~p",[Reason]), -% {error, {open,Reason}} -% end. - -% send_in_chunks(Info, Stream, Context, ErrorLog) -> -% case file:read(Stream, ?CHUNK_SIZE) of -% {ok, Data} -> -% ?DEBUG("send_in_chunks -> read ~p bytes",[length(Data)]), -% {ok, NewContext, NewErrorLog, ParsedBody}= -% parse(Info, Data, Context, ErrorLog, []), -% httpd_socket:deliver(Info#mod.socket_type, -% Info#mod.socket, ParsedBody), -% send_in_chunks(Info,Stream,NewContext,NewErrorLog); -% eof -> -% {ok, ErrorLog}; -% {error, Reason} -> -% ?ERROR("Failed read from file: ~p",[Reason]), -% {error, {read,Reason}} -% end. - - -%% -%% "Fuzzy" HTML parser -%% - -parse(Info,Body) -> - parse(Info, Body, ?DEFAULT_CONTEXT, [], []). - -parse(Info, [], Context, ErrorLog, Result) -> - {ok, Context, lists:reverse(ErrorLog), lists:reverse(Result)}; -parse(Info,[$<,$!,$-,$-,$#|R1],Context,ErrorLog,Result) -> - ?DEBUG("parse -> start command directive when length(R1): ~p",[length(R1)]), - case catch parse0(R1,Context) of - {parse_error,Reason} -> - parse(Info,R1,Context,[{internal_info,?NICE(Reason)}|ErrorLog], - [$#,$-,$-,$!,$<|Result]); - {ok,Context,Command,TagList,ValueList,R2} -> - ?DEBUG("parse -> Command: ~p",[Command]), - {ok,NewContext,NewErrorLog,MoreResult,R3}= - handle(Info,Context,ErrorLog,Command,TagList,ValueList,R2), - parse(Info,R3,NewContext,NewErrorLog,lists:reverse(MoreResult)++Result) - end; -parse(Info,[$<,$!,$-,$-|R1],Context,ErrorLog,Result) -> - ?DEBUG("parse -> start comment when length(R1) = ~p",[length(R1)]), - case catch parse5(R1,[],0) of - {parse_error,Reason} -> - ?ERROR("parse -> parse error: ~p",[Reason]), - parse(Info,R1,Context,[{internal_info,?NICE(Reason)}|ErrorLog],Result); - {Comment,R2} -> - ?DEBUG("parse -> length(Comment) = ~p, length(R2) = ~p", - [length(Comment),length(R2)]), - parse(Info,R2,Context,ErrorLog,Comment++Result) - end; -parse(Info,[C|R],Context,ErrorLog,Result) -> - parse(Info,R,Context,ErrorLog,[C|Result]). - -handle(Info,Context,ErrorLog,Command,TagList,ValueList,R) -> - case catch apply(?MODULE,Command,[Info,Context,ErrorLog,TagList,ValueList, - R]) of - {'EXIT',{undef,_}} -> - throw({parse_error,"Unknown command "++atom_to_list(Command)++ - " in parsed doc"}); - Result -> - Result - end. - -parse0([],Context) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse0([$-,$-,$>|R],Context) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse0([$ |R],Context) -> - parse0(R,Context); -parse0(String,Context) -> - parse1(String,Context,""). - -parse1([],Context,Command) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse1([$-,$-,$>|R],Context,Command) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse1([$ |R],Context,Command) -> - parse2(R,Context,list_to_atom(lists:reverse(Command)),[],[],""); -parse1([C|R],Context,Command) -> - parse1(R,Context,[C|Command]). - -parse2([],Context,Command,TagList,ValueList,Tag) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse2([$-,$-,$>|R],Context,Command,TagList,ValueList,Tag) -> - {ok,Context,Command,TagList,ValueList,R}; -parse2([$ |R],Context,Command,TagList,ValueList,Tag) -> - parse2(R,Context,Command,TagList,ValueList,Tag); -parse2([$=|R],Context,Command,TagList,ValueList,Tag) -> - parse3(R,Context,Command,[list_to_atom(lists:reverse(Tag))|TagList], - ValueList); -parse2([C|R],Context,Command,TagList,ValueList,Tag) -> - parse2(R,Context,Command,TagList,ValueList,[C|Tag]). - -parse3([],Context,Command,TagList,ValueList) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse3([$-,$-,$>|R],Context,Command,TagList,ValueList) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse3([$ |R],Context,Command,TagList,ValueList) -> - parse3(R,Context,Command,TagList,ValueList); -parse3([$"|R],Context,Command,TagList,ValueList) -> - parse4(R,Context,Command,TagList,ValueList,""); -parse3(String,Context,Command,TagList,ValueList) -> - throw({parse_error,"Premature EOF in parsed file"}). - -parse4([],Context,Command,TagList,ValueList,Value) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse4([$-,$-,$>|R],Context,Command,TagList,ValueList,Value) -> - throw({parse_error,"Premature EOF in parsed file"}); -parse4([$"|R],Context,Command,TagList,ValueList,Value) -> - parse2(R,Context,Command,TagList,[lists:reverse(Value)|ValueList],""); -parse4([C|R],Context,Command,TagList,ValueList,Value) -> - parse4(R,Context,Command,TagList,ValueList,[C|Value]). - -parse5([],Comment,Depth) -> - ?ERROR("parse5 -> unterminated comment of ~p bytes when Depth = ~p", - [length(Comment),Depth]), - throw({parse_error,"Premature EOF in parsed file"}); -parse5([$<,$!,$-,$-|R],Comment,Depth) -> - parse5(R,[$-,$-,$!,$<|Comment],Depth+1); -parse5([$-,$-,$>|R],Comment,0) -> - {">--"++Comment++"--!<",R}; -parse5([$-,$-,$>|R],Comment,Depth) -> - parse5(R,[$>,$-,$-|Comment],Depth-1); -parse5([C|R],Comment,Depth) -> - parse5(R,[C|Comment],Depth). - - -sz(B) when binary(B) -> {binary,size(B)}; -sz(L) when list(L) -> {list,length(L)}; -sz(_) -> undefined. - - -%% send_error - Handle failure to send the file -%% -send_error({open,Reason},Info,Path) -> open_error(Reason,Info,Path); -send_error({read,Reason},Info,Path) -> read_error(Reason,Info,Path). - - -%% open_error - Handle file open failure -%% -open_error(eacces,Info,Path) -> - open_error(403,Info,Path,""); -open_error(enoent,Info,Path) -> - open_error(404,Info,Path,""); -open_error(enotdir,Info,Path) -> - open_error(404,Info,Path, - ": A component of the file name is not a directory"); -open_error(emfile,_Info,Path) -> - open_error(500,none,Path,": To many open files"); -open_error({enfile,_},_Info,Path) -> - open_error(500,none,Path,": File table overflow"); -open_error(_Reason,_Info,Path) -> - open_error(500,none,Path,""). - -open_error(StatusCode,none,Path,Reason) -> - {StatusCode,none,?NICE("Can't open "++Path++Reason)}; -open_error(StatusCode,Info,Path,Reason) -> - {StatusCode,Info#mod.request_uri,?NICE("Can't open "++Path++Reason)}. - -read_error(_Reason,_Info,Path) -> - read_error(500,none,Path,""). - -read_error(StatusCode,none,Path,Reason) -> - {StatusCode,none,?NICE("Can't read "++Path++Reason)}; -read_error(StatusCode,Info,Path,Reason) -> - {StatusCode,Info#mod.request_uri,?NICE("Can't read "++Path++Reason)}. - - - - |