Diff for /gforth/httpd.fs between versions 1.1 and 1.10

version 1.1, 2000/03/26 20:38:17 version 1.10, 2001/11/11 22:33:31
Line 1 Line 1
 #! /usr/local/bin/gforth  #! /usr/local/bin/gforth
   
   \ Copyright (C) 2000 Free Software Foundation, Inc.
   
   \ This file is part of Gforth.
   
   \ Gforth is free software; you can redistribute it and/or
   \ modify it under the terms of the GNU General Public License
   \ as published by the Free Software Foundation; either version 2
   \ of the License, or (at your option) any later version.
   
   \ This program is distributed in the hope that it will be useful,
   \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   \ GNU General Public License for more details.
   
   \ You should have received a copy of the GNU General Public License
   \ along with this program; if not, write to the Free Software
   \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
 warnings off  warnings off
   
 include string.fs  require string.fs
   
 Variable url  Variable url
   Variable posted
   Variable url-args
 Variable protocol  Variable protocol
   Variable data
   Variable active
   Variable command?
   
 : get ( addr -- )  name rot $! ;  : get ( addr -- )  name rot $! ;
 : get-rest ( addr -- )  source >in @ /string dup >in +! rot $! ;  : get-rest ( addr -- )  source >in @ /string dup >in +! rot $! ;
   
 Table constant http/1.0  wordlist constant values
   wordlist constant commands
   
 : rest:  ( -- )  name  : value:  ( -- )  name
   Forth definitions 2dup 1- nextname Variable    Forth definitions 2dup 1- nextname Variable
   http/1.0 set-current nextname here cell - Create ,    values set-current nextname here cell - Create ,
   DOES> @ get-rest ;    DOES> @ get-rest ;
   : >values  values 1 set-order command? off ;
   
 \ HTTP protocol                                        26mar00py  \ HTTP protocol commands                               26mar00py
   
 http/1.0 set-current  : rework-% ( add -- ) { url }  base @ >r hex
       0 url $@len 0 ?DO
 : GET               url get protocol get-rest ;          url $@ drop I + c@ dup '% = IF
 rest: User-Agent:              drop 0. url $@ I 1+ /string
 rest: Pragma:              2 min dup >r >number r> swap - >r 2drop
 rest: Host:          ELSE  0 >r  THEN  over url $@ drop + c!  1+
 rest: Accept:      r> 1+ +LOOP  url $!len
 rest: Accept-Encoding:      r> base ! ;
 rest: Accept-Language:  
 rest: Accept-Charset:  : rework-? ( addr -- )
 rest: Via:      dup >r $@ '? $split url-args $! nip r> $!len ;
 rest: X-Forwarded-For:  
 rest: Cache-Control:  : get-url ( -- ) url get protocol get-rest
 rest: Connection:      url rework-? url rework-% >values ;
 rest: Referer:  
   commands set-current
   
   : GET   get-url data on  active off ;
   : POST  get-url data on  active on  ;
   : HEAD  get-url data off active off ;
   
   \ HTTP protocol values                                 26mar00py
   
   values set-current
   
   value: User-Agent:
   value: Pragma:
   value: Host:
   value: Accept:
   value: Accept-Encoding:
   value: Accept-Language:
   value: Accept-Charset:
   value: Via:
   value: X-Forwarded-For:
   value: Cache-Control:
   value: Connection:
   value: Referer:
   value: Content-Type:
   value: Content-Length:
   
 definitions  definitions
   
 s" close" connection $!  
 s" /nosuchfile" url $!  
 s" HTTP/1.0" protocol $!  
   
 Variable maxnum  Variable maxnum
   
 : ?cr ( -- )  : ?cr ( -- )
Line 49  Variable maxnum Line 94  Variable maxnum
   BEGIN  refill ?cr  WHILE  interpret  >in @ 0=  UNTIL    BEGIN  refill ?cr  WHILE  interpret  >in @ 0=  UNTIL
   true  ELSE  maxnum off false  THEN ;    true  ELSE  maxnum off false  THEN ;
 : get-input ( -- flag ior )  : get-input ( -- flag ior )
   infile-id push-file loadfile !  0 loadline ! blk off    s" /nosuchfile" url $!  s" HTTP/1.0" protocol $!
   http/1.0 1 set-order  ['] refill-loop catch    s" close" connection $!
   only forth also  pop-file ;    infile-id push-file loadfile !  loadline off  blk off
     commands 1 set-order  command? on  ['] refill-loop catch
 \ Keep-Alive handling                                  26mar00py    active @ IF  s" " posted $! Content-Length $@ snumber? drop
         posted $!len  posted $@ infile-id read-file throw drop
 : .connection ( -- )    THEN  only forth also  pop-file ;
   ." Connection: "  
   connection $@ s" Keep-Alive" compare 0= maxnum @ 0> and  
   IF  connection $@ type cr  
       ." Keep-Alive: timeout=15, max=" maxnum @ 0 .r cr  
       -1 maxnum +!  ELSE  ." close" cr maxnum off  THEN ;  
   
 \ Use Forth as server-side script language             26mar00py  
   
 : $> ( -- )  
     BEGIN  source >in @ /string s" <$" search  0= WHILE  
         type cr refill  0= UNTIL  EXIT  THEN  
     nip source >in @ /string rot - dup 2 + >in +! type ;  
 : <HTML> ( -- )  ." <HTML>" $> ;  
   
 \ Rework HTML directory                                26mar00py  \ Rework HTML directory                                26mar00py
   
Line 95  Variable htmldir Line 127  Variable htmldir
   r@ file-size throw drop    r@ file-size throw drop
   ." Accept-Ranges: bytes" cr    ." Accept-Ranges: bytes" cr
   ." Content-Length: " dup 0 .r cr r> ;    ." Content-Length: " dup 0 .r cr r> ;
 : transparent ( size fd -- ) >r  : transparent ( size fd -- ) { fd }
   dup allocate throw swap      $4000 allocate throw swap dup 0 ?DO
   over swap r@ read-file throw over swap type          2dup over swap $4000 min fd read-file throw type
   free r> close-file throw throw ;          $4000 - $4000 +LOOP  drop
       free fd close-file throw throw ;
   
   \ Keep-Alive handling                                  26mar00py
   
 : transparent:  Create ,"  DOES>  >r  >file  : .connection ( -- )
     ." Connection: "
     connection $@ s" Keep-Alive" compare 0= maxnum @ 0> and
     IF  connection $@ type cr
         ." Keep-Alive: timeout=15, max=" maxnum @ 0 .r cr
         -1 maxnum +!  ELSE  ." close" cr maxnum off  THEN ;
   
   : transparent: ( addr u -- ) Create  here over 1+ allot place
     DOES>  >r  >file
   .connection    .connection
   ." Content-Type: "  r> count type cr cr    ." Content-Type: "  r> count type cr cr
   transparent ;    data @ IF  transparent  ELSE  nip close-file throw  THEN ;
   
 \ mime types                                           26mar00py  \ mime types                                           26mar00py
   
   : mime-read ( addr u -- )  r/o open-file throw
       push-file loadfile !  0 loadline ! blk off
       BEGIN  refill  WHILE  name
           BEGIN  >in @ >r name nip  WHILE
               r> >in ! 2dup transparent:  REPEAT
           2drop rdrop
       REPEAT  loadfile @ close-file pop-file throw ;
   
 : lastrequest  : lastrequest
   ." Connection: close" cr maxnum off    ." Connection: close" cr maxnum off
   ." Content-Type: text/html" cr cr ;    ." Content-Type: text/html" cr cr ;
Line 114  Variable htmldir Line 165  Variable htmldir
 wordlist constant mime  wordlist constant mime
 mime set-current  mime set-current
   
 : shtml ( addr u -- )  lastrequest  included ;  : shtml ( addr u -- )  lastrequest
       data @ IF  included  ELSE  2drop  THEN ;
   
 transparent: html text/html"  s" application/pgp-signature" transparent: sig
 transparent: gif image/gif"  s" application/x-bzip2" transparent: bz2
 transparent: jpg image/jpeg"  s" application/x-gzip" transparent: gz
 transparent: png image/png"  s" /etc/mime.types" mime-read
 transparent: gz application/x-gzip"  
 transparent: bz2 application/x-bzip2"  
 transparent: exe application/octet-stream"  
 transparent: class application/octet-stream"  
 transparent: sig application/pgp-signature"  
 transparent: txt text/plain"  
   
 definitions  definitions
   
 lastxt @ Alias txt  s" text/plain" transparent: txt
   
 \ http errors                                          26mar00py  \ http errors                                          26mar00py
   
 : .ok   ." HTTP/1.1 200 OK" cr ;  : .server ( -- )  ." Server: Gforth httpd/0.1 ("
       s" os-class" environment? IF  type  THEN  ." )" cr ;
   : .ok  ( -- ) ." HTTP/1.1 200 OK" cr .server ;
 : html-error ( n addr u -- )  : html-error ( n addr u -- )
     ." HTTP/1.1 " 2 pick . 2dup type cr lastrequest      ." HTTP/1.1 " 2 pick . 2dup type cr .server
     ." <HTML><HEAD><TITLE>" 2 pick . 2dup type ." </TITLE></HEAD>" cr      2 pick &405 = IF ." Allow: GET, HEAD, POST" cr  THEN
       lastrequest
       ." <HTML><HEAD><TITLE>" 2 pick . 2dup type
       ." </TITLE></HEAD>" cr
     ." <BODY><H1>" type drop ." </H1>" cr ;      ." <BODY><H1>" type drop ." </H1>" cr ;
 : .trailer ( -- )  : .trailer ( -- )
     ." <HR><ADDRESS>Gforth httpd 0.1</ADDRESS>" cr      ." <HR><ADDRESS>Gforth httpd 0.1</ADDRESS>" cr
     ." </BODY></HTML>" cr ;      ." </BODY></HTML>" cr ;
 : .nok  &400 s" Bad Request" html-error  : .nok ( -- ) command? @ IF  &405 s" Method Not Allowed"
     ." <P>Your browser sent a request that this server could not understand.</P>" cr      ELSE  &400 s" Bad Request"  THEN  html-error
     ." <P>Invalid request in: <CODE>" error-stack cell+ 2@ swap type      ." <P>Your browser sent a request that this server "
       ." could not understand.</P>" cr
       ." <P>Invalid request in: <CODE>"
       error-stack cell+ 2@ swap type
     ." </CODE></P>" cr .trailer ;      ." </CODE></P>" cr .trailer ;
 : .nofile  &404 s" Not Found" html-error  : .nofile ( -- ) &404 s" Not Found" html-error
     ." <P>The requested URL <CODE>" url $@ type      ." <P>The requested URL <CODE>" url $@ type
     ." </CODE> was not found on this server</P>" cr .trailer ;      ." </CODE> was not found on this server</P>" cr .trailer ;
   
 \ http server                                          26mar00py  \ http server                                          26mar00py
   
 : http  get-input  IF  .nok  ELSE  Defer redirect?  ( addr u -- addr' u' t / f )
     IF  url $@ 1 /string rework-htmldir  Defer redirect ( addr u -- )
   :noname 2drop false ; IS redirect?
   
   : http ( -- )  get-input  IF  .nok  ELSE
       IF  url $@ 1 /string 2dup redirect? IF  redirect 2drop  ELSE
           rework-htmldir
         dup 0< IF  drop .nofile          dup 0< IF  drop .nofile
         ELSE  .ok  2dup >mime mime search-wordlist          ELSE  .ok  2dup >mime mime search-wordlist
             IF  catch IF  maxnum off THEN  ELSE  txt  THEN              0= IF  ['] txt  THEN  catch IF  maxnum off THEN
         THEN  THEN  THEN  outfile-id flush-file throw ;          THEN  THEN  THEN  THEN  outfile-id flush-file throw ;
   
 : httpd  ( n -- )  maxnum !  : httpd  ( n -- )  maxnum !
   BEGIN  http  maxnum @ 0=  UNTIL ;    BEGIN  ['] http catch  maxnum @ 0= or  UNTIL ;
   
   script? [IF]  :noname &100 httpd bye ; is bootmessage  [THEN]
   
   \ Use Forth as server-side script language             26mar00py
   
   : $> ( -- )
       BEGIN  source >in @ /string s" <$" search  0= WHILE
           type cr refill  0= UNTIL  EXIT  THEN
       nip source >in @ /string rot - dup 2 + >in +! type ;
   : <HTML> ( -- )  ." <HTML>" $> ;
   
   \ provide transparent proxying
   
 ( script? [IF] ) &100 httpd bye ( [THEN] )  include ./proxy.fs

Removed from v.1.1  
changed lines
  Added in v.1.10


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