open Printf;;
open Http_types;;
module Stack = Continuationals.Stack
let rt_path () = Helm_registry.get "matita.rt_base_dir"
let libdir uid = (rt_path ()) ^ "/users/" ^ uid
let utf8_length = Netconversion.ustring_length `Enc_utf8
let utf8_parsed_text s floc =
let start, stop = HExtlib.loc_of_floc floc in
let len = stop - start in
let res = Netconversion.ustring_sub `Enc_utf8 start len s in
res, String.length res
(*** from matitaScript.ml ***)
(* let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$" *)
let eval_statement include_paths (* (buffer : GText.buffer) *) status (* script *)
statement
=
let ast,unparsed_text =
match statement with
| `Raw text ->
(* if Pcre.pmatch ~rex:only_dust_RE text then raise Margin; *)
let strm =
GrafiteParser.parsable_statement status
(Ulexing.from_utf8_string text) in
let ast = MatitaEngine.get_ast status include_paths strm in
ast, text
| `Ast (st, text) -> st, text
in
let floc = match ast with
| GrafiteAst.Executable (loc, _)
| GrafiteAst.Comment (loc, _) -> loc in
let _,lend = HExtlib.loc_of_floc floc in
let parsed_text, _parsed_text_len =
utf8_parsed_text unparsed_text (HExtlib.floc_of_loc (0,lend)) in
let byte_parsed_text_len = String.length parsed_text in
let unparsed_txt' =
String.sub unparsed_text byte_parsed_text_len
(String.length unparsed_text - byte_parsed_text_len)
in
let status =
MatitaEngine.eval_ast ~include_paths ~do_heavy_checks:false status ("",0,ast)
in
(status, parsed_text, unparsed_txt'),"",(*parsed_text_len*)
utf8_length parsed_text
let sequent_size = ref 40;;
let include_paths = ref [];;
(*
*
* ...
* ...
*
*
* ...
* *)
let output_status s =
let _,_,metasenv,subst,_ = s#obj in
let render_switch = function
| Stack.Open i -> "?" ^ (string_of_int i)
| Stack.Closed i -> "?" ^ (string_of_int i) ^ ""
in
let int_of_switch = function
| Stack.Open i | Stack.Closed i -> i
in
let sequent = function
| Stack.Open i ->
let meta = List.assoc i metasenv in
snd (ApplyTransformation.ntxt_of_cic_sequent
~metasenv ~subst ~map_unicode_to_tex:false !sequent_size s (i,meta))
| Stack.Closed _ -> "This goal has already been closed."
in
let render_sequent is_loc acc depth tag (pos,sw) =
let metano = int_of_switch sw in
let markup =
if is_loc then
(match depth, pos with
| 0, 0 -> "" ^ (render_switch sw) ^ ""
| 0, _ ->
Printf.sprintf "|%d: %s" pos (render_switch sw)
| 1, pos when Stack.head_tag s#stack = `BranchTag ->
Printf.sprintf "|%d : %s" pos (render_switch sw)
| _ -> render_switch sw)
else render_switch sw
in
prerr_endline "pippo1";
let markup =
Netencoding.Html.encode ~in_enc:`Enc_utf8 ~prefer_name:false () markup in
let markup = "" ^ markup ^ "" in
prerr_endline "pippo2";
let sequent =
Netencoding.Html.encode ~in_enc:`Enc_utf8 ~prefer_name:false () (sequent sw)
in
let txt0 = "" ^ sequent ^ "" in
"" ^ markup ^
txt0 ^ "" ^ acc
in
let res = "" ^
(Stack.fold
~env:(render_sequent true) ~cont:(render_sequent false)
~todo:(render_sequent false) "" s#stack) ^
""
in
prerr_endline ("sending metasenv:\n" ^ res); res
;;
(* let html_of_status s =
let _,_,metasenv,subst,_ = s#obj in
let txt = List.fold_left
(fun acc (nmeta,_ as meta) ->
let txt0 = snd (ApplyTransformation.ntxt_of_cic_sequent
~metasenv ~subst ~map_unicode_to_tex:false 80 s meta)
in
prerr_endline ("### txt0 = " ^ txt0);
("Goal ?" ^ (string_of_int nmeta) ^ "\n" ^ txt0)::acc)
[] metasenv
in
String.concat "\n\n" txt
;; *)
let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*";;
let first_line s =
let s = Pcre.replace ~rex:heading_nl_RE s in
try
let nl_pos = String.index s '\n' in
String.sub s 0 nl_pos
with Not_found -> s
;;
let read_file fname =
let chan = open_in fname in
let lines = ref [] in
(try
while true do
lines := input_line chan :: !lines
done;
with End_of_file -> close_in chan);
String.concat "\n" (List.rev !lines)
;;
let load_index outchan =
let s = read_file "index.html" in
Http_daemon.respond ~headers:["Content-Type", "text/html"] ~code:(`Code 200) ~body:s outchan
;;
let load_doc filename outchan =
let s = read_file filename in
let is_png =
try String.sub filename (String.length filename - 4) 4 = ".png"
with Invalid_argument _ -> false
in
let contenttype = if is_png then "image/png" else "text/html" in
Http_daemon.respond ~headers:["Content-Type", contenttype] ~code:(`Code 200) ~body:s outchan
;;
let retrieve (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
(try
let sid = Uuidm.of_string (Netcgi.Cookie.value (env#cookie "session")) in
let sid = HExtlib.unopt sid in
let uid = MatitaAuthentication.user_of_session sid in
cgi # set_header
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\""
();
let filename = libdir uid ^ "/" ^ (cgi # argument_value "file") in
prerr_endline ("reading file " ^ filename);
let body =
Netencoding.Html.encode ~in_enc:`Enc_utf8 ~prefer_name:false ()
(read_file filename) in
prerr_endline ("sending:\nBEGIN\n" ^ body ^ "\nEND");
let body = "" ^ body ^ "" in
let baseuri, incpaths =
try
let root, baseuri, _fname, _tgt =
Librarian.baseuri_of_script ~include_paths:[] filename in
let includes =
try
Str.split (Str.regexp " ")
(List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
with Not_found -> []
in
let rc = root :: includes in
List.iter (HLog.debug) rc; baseuri, rc
with
Librarian.NoRootFor _ | Librarian.FileNotFound _ -> "",[] in
include_paths := incpaths;
let status = MatitaAuthentication.get_status sid in
MatitaAuthentication.set_status sid (status#set_baseuri baseuri);
cgi#out_channel#output_string body;
with
| Not_found _ ->
cgi # set_header
~status:`Internal_server_error
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\""
());
cgi#out_channel#commit_work()
;;
let advance0 sid text =
let status = MatitaAuthentication.get_status sid in
let history = MatitaAuthentication.get_history sid in
let (st,new_statements,new_unparsed),(* newtext TODO *) _,parsed_len =
(* try *)
eval_statement !include_paths (*buffer*) status (`Raw text)
(* with End_of_file -> raise Margin *)
in
MatitaAuthentication.set_status sid st;
MatitaAuthentication.set_history sid (st::history);
parsed_len, new_unparsed, st
let register (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
assert (cgi#arguments <> []);
let uid = cgi#argument_value "userid" in
let userpw = cgi#argument_value "password" in
(try
MatitaAuthentication.add_user uid userpw;
env#set_output_header_field "Location" "/index.html"
with
| MatitaAuthentication.UsernameCollision _ ->
cgi#set_header
~cache:`No_cache
~content_type:"text/html; charset=\"utf-8\""
();
cgi#out_channel#output_string
"
Error: User id collision!"
| MatitaFilesystem.SvnError msg ->
cgi#set_header
~cache:`No_cache
~content_type:"text/html; charset=\"utf-8\""
();
cgi#out_channel#output_string
("
Error: Svn checkout failed!
"));
cgi#out_channel#commit_work()
;;
let login (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
assert (cgi#arguments <> []);
let uid = cgi#argument_value "userid" in
let userpw = cgi#argument_value "password" in
let pw,_ = MatitaAuthentication.lookup_user uid in
if pw = userpw then
begin
let _ = MatitaFilesystem.html_of_library uid in
let sid = MatitaAuthentication.create_session uid in
(* let cookie = Netcgi.Cookie.make "session" (Uuidm.to_string sid) in
cgi#set_header ~set_cookies:[cookie] (); *)
env#set_output_header_field
"Set-Cookie" ("session=" ^ (Uuidm.to_string sid));
env#set_output_header_field "Location" "/index.html"
end
else
begin
prerr_endline ("ERROR: received " ^ userpw ^ "but the password is " ^ pw);
cgi#set_header
~cache:`No_cache
~content_type:"text/html; charset=\"utf-8\""
();
cgi#out_channel#output_string
"Authentication error"
end;
cgi#out_channel#commit_work()
;;
let logout (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
(try
let sid = Uuidm.of_string (Netcgi.Cookie.value (env#cookie "session")) in
let sid = HExtlib.unopt sid in
MatitaAuthentication.logout_user sid;
cgi # set_header
~cache:`No_cache
~content_type:"text/html; charset=\"utf-8\""
();
let text = read_file (rt_path () ^ "/logout.html") in
cgi#out_channel#output_string text
with
| Not_found _ ->
cgi # set_header
~status:`Internal_server_error
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\""
());
cgi#out_channel#commit_work()
;;
(* returns the length of the executed text and an html representation of the
* current metasenv*)
let advance (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
(try
let sid = Uuidm.of_string (Netcgi.Cookie.value (env#cookie "session")) in
let sid = HExtlib.unopt sid in
cgi # set_header
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\""
();
let text = cgi#argument_value "body" in
prerr_endline ("body =\n" ^ text);
let parsed_len, new_unparsed, new_status = advance0 sid text in
let txt = output_status new_status in
let body =
"" ^ txt
^ ""
in
prerr_endline ("sending advance response:\n" ^ body);
cgi#out_channel#output_string body
with
| Not_found _ ->
cgi # set_header
~status:`Internal_server_error
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\""
());
cgi#out_channel#commit_work()
;;
let gotoBottom (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
(try
let sid = Uuidm.of_string (Netcgi.Cookie.value (env#cookie "session")) in
let sid = HExtlib.unopt sid in
let rec aux parsed_len text =
try
prerr_endline ("evaluating: " ^ first_line text);
let plen,new_unparsed,_new_status = advance0 sid text in
aux (parsed_len+plen) new_unparsed
with
| _ -> parsed_len
in
cgi # set_header
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\""
();
let text = cgi#argument_value "body" in
prerr_endline ("body =\n" ^ text);
let parsed_len = aux 0 text in
let status = MatitaAuthentication.get_status sid in
let txt = output_status status in
let body =
"" ^ txt
^ ""
in
prerr_endline ("sending goto bottom response:\n" ^ body);
cgi#out_channel#output_string body
with Not_found -> cgi#set_header ~status:`Internal_server_error
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\"" ());
cgi#out_channel#commit_work()
;;
let retract (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
(try
let sid = Uuidm.of_string (Netcgi.Cookie.value (env#cookie "session")) in
let sid = HExtlib.unopt sid in
cgi # set_header
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\""
();
let history = MatitaAuthentication.get_history sid in
let new_history,new_status =
match history with
_::(status::_ as history) ->
history, status
| [_] -> (prerr_endline "singleton";failwith "retract")
| _ -> (prerr_endline "nil"; assert false) in
NCicLibrary.time_travel new_status;
MatitaAuthentication.set_history sid new_history;
MatitaAuthentication.set_status sid new_status;
prerr_endline ("after retract history.length = " ^
string_of_int (List.length new_history));
let body = output_status new_status in
cgi#out_channel#output_string body
with _ -> cgi#set_header ~status:`Internal_server_error
~cache:`No_cache
~content_type:"text/xml; charset=\"utf-8\"" ());
cgi#out_channel#commit_work()
;;
let viewLib (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
let env = cgi#environment in
let sid = Uuidm.of_string (Netcgi.Cookie.value (env#cookie "session")) in
let sid = HExtlib.unopt sid in
cgi # set_header
~cache:`No_cache
~content_type:"text/html; charset=\"utf-8\""
();
let uid = MatitaAuthentication.user_of_session sid in
let html = MatitaFilesystem.html_of_library uid in
cgi#out_channel#output_string
((*
"\n" ^
"XML Tree Control\n" ^
"\n" ^
"\n" ^
"\n" ^ *)
html (* ^ "\n" *) );
cgi#out_channel#commit_work()
;;
let resetLib (cgi : Netcgi1_compat.Netcgi_types.cgi_activation) =
let cgi = Netcgi1_compat.Netcgi_types.of_compat_activation cgi in
MatitaAuthentication.reset ();
cgi # set_header
~cache:`No_cache
~content_type:"text/html; charset=\"utf-8\""
();
cgi#out_channel#output_string
("\n" ^
"Matitaweb Reset\n" ^
"
Reset completed
");
cgi#out_channel#commit_work()
open Netcgi1_compat.Netcgi_types;;
(**********************************************************************)
(* Create the webserver *)
(**********************************************************************)
let start() =
let (opt_list, cmdline_cfg) = Netplex_main.args() in
let use_mt = ref true in
let opt_list' =
[ "-mt", Arg.Set use_mt,
" Use multi-threading instead of multi-processing"
] @ opt_list in
Arg.parse
opt_list'
(fun s -> raise (Arg.Bad ("Don't know what to do with: " ^ s)))
"usage: netplex [options]";
let parallelizer =
if !use_mt then
Netplex_mt.mt() (* multi-threading *)
else
Netplex_mp.mp() in (* multi-processing *)
(*
let adder =
{ Nethttpd_services.dyn_handler = (fun _ -> process1);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
*)
let do_advance =
{ Nethttpd_services.dyn_handler = (fun _ -> advance);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let do_retract =
{ Nethttpd_services.dyn_handler = (fun _ -> retract);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let goto_bottom =
{ Nethttpd_services.dyn_handler = (fun _ -> gotoBottom);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let retrieve =
{ Nethttpd_services.dyn_handler = (fun _ -> retrieve);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let do_register =
{ Nethttpd_services.dyn_handler = (fun _ -> register);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let do_login =
{ Nethttpd_services.dyn_handler = (fun _ -> login);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let do_logout =
{ Nethttpd_services.dyn_handler = (fun _ -> logout);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let do_viewlib =
{ Nethttpd_services.dyn_handler = (fun _ -> viewLib);
dyn_activation = Nethttpd_services.std_activation `Std_activation_buffered;
dyn_uri = None; (* not needed *)
dyn_translator = (fun _ -> ""); (* not needed *)
dyn_accept_all_conditionals = false;
} in
let nethttpd_factory =
Nethttpd_plex.nethttpd_factory
~handlers:[ "advance", do_advance
; "retract", do_retract
; "bottom", goto_bottom
; "open", retrieve
; "register", do_register
; "login", do_login
; "logout", do_logout
; "viewlib", do_viewlib]
() in
MatitaInit.initialize_all ();
MatitaAuthentication.deserialize ();
Netplex_main.startup
parallelizer
Netplex_log.logger_factories (* allow all built-in logging styles *)
Netplex_workload.workload_manager_factories (* ... all ways of workload management *)
[ nethttpd_factory ] (* make this nethttpd available *)
cmdline_cfg
;;
Sys.set_signal Sys.sigpipe Sys.Signal_ignore;
start();;