[gforth] / gforth / httpd.fs  

gforth: gforth/httpd.fs

Diff for /gforth/httpd.fs between version 1.1 and 1.2

version 1.1, Sun Mar 26 20:38:17 2000 UTC version 1.2, Sun Apr 2 20:18:27 2000 UTC
Line 6 
Line 6 
   
 Variable url  Variable url
 Variable protocol  Variable protocol
   Variable data
   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  Table constant values
   Table 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-% ( -- )  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:  commands set-current
 rest: Via:  
 rest: X-Forwarded-For:  : GET   url get rework-% protocol get-rest >values data on  ;
 rest: Cache-Control:  : HEAD  url get rework-% protocol get-rest >values data off ;
 rest: Connection:  
 rest: Referer:  \ 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:
   
 definitions  definitions
   
 s" close" connection $!  
 s" /nosuchfile" url $!  
 s" HTTP/1.0" protocol $!  s" HTTP/1.0" protocol $!
   
 Variable maxnum  Variable maxnum
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   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 )
     s" /nosuchfile" url $!
     s" close" connection $!
   infile-id push-file loadfile !  0 loadline ! blk off    infile-id push-file loadfile !  0 loadline ! blk off
   http/1.0 1 set-order  ['] refill-loop catch    commands 1 set-order  command? on  ['] refill-loop catch
   only forth also  pop-file ;    only forth also  pop-file ;
   
 \ Keep-Alive handling                                  26mar00py  \ Keep-Alive handling                                  26mar00py
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   over swap r@ read-file throw over swap type    over swap r@ read-file throw over swap type
   free r> close-file throw throw ;    free r> close-file throw throw ;
   
 : transparent:  Create ,"  DOES>  >r  >file  : 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 ;
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 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
       2 pick &405 = IF ." Allow: GET, HEAD" cr  THEN  lastrequest
     ." <HTML><HEAD><TITLE>" 2 pick . 2dup type ." </TITLE></HEAD>" cr      ." <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"
       ELSE  &400 s" Bad Request"  THEN  html-error
     ." <P>Your browser sent a request that this server could not understand.</P>" cr      ." <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      ." <P>Invalid request in: <CODE>" error-stack cell+ 2@ swap type
     ." </CODE></P>" cr .trailer ;      ." </CODE></P>" cr .trailer ;
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     IF  url $@ 1 /string rework-htmldir      IF  url $@ 1 /string 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  outfile-id flush-file throw ;
   
 : httpd  ( n -- )  maxnum !  : httpd  ( n -- )  maxnum !
   BEGIN  http  maxnum @ 0=  UNTIL ;    BEGIN  http  maxnum @ 0=  UNTIL ;
   
 ( script? [IF] ) &100 httpd bye ( [THEN] )  script? [IF]  &100 httpd bye  [THEN]

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