1 ! Copyright (C) 2003, 2010 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: kernel accessors sequences arrays namespaces splitting
4 vocabs.loader destructors assocs debugger continuations
5 combinators vocabs.refresh tools.time math math.parser present
21 fry logging logging.insomniac calendar urls urls.encoding
34 FROM: mime.multipart => parse-multipart ;
37 : check-absolute ( url -- url )
38 dup path>> "/" head? [ "Bad request: URL" throw ] unless ; inline
40 : read-request-line ( request -- request )
41 read-?crlf [ dup "" = ] [ drop read-?crlf ] while
42 parse-request-line first3
43 [ >>method ] [ >url check-absolute >>url ] [ >>version ] tri* ;
45 : read-request-header ( request -- request )
46 read-header >>header ;
50 : parse-multipart-form-data ( string -- separator )
52 "=" split1 nip [ no-boundary ] unless* ;
56 request-limit [ 64 1024 * ] initialize
60 upload-limit [ 200,000,000 ] initialize
62 : read-multipart-data ( request -- mime-parts )
63 [ "content-type" header ]
64 [ "content-length" header string>number ] bi
66 upload-limit get [ min ] when* limited-input
68 parse-multipart-form-data parse-multipart ;
70 : read-content ( request -- bytes )
71 "content-length" header string>number read ;
73 : parse-content ( request content-type -- post-data )
74 [ <post-data> swap ] keep {
75 { "multipart/form-data" [ read-multipart-data >>params ] }
76 { "application/x-www-form-urlencoded" [ read-content query>assoc >>params ] }
77 [ drop read-content >>data ]
80 : read-post-data ( request -- request )
81 dup method>> "POST" = [
82 dup dup "content-type" header
83 ";" split1 drop parse-content >>post-data
86 : extract-host ( request -- request )
87 [ ] [ url>> ] [ "host" header parse-host ] tri
88 [ >>host ] [ >>port ] bi*
91 : extract-cookies ( request -- request )
92 dup "cookie" header [ parse-cookie >>cookies ] when* ;
94 : read-request ( -- request )
102 GENERIC: write-response ( response -- )
104 GENERIC: write-full-response ( request response -- )
106 : write-response-line ( response -- response )
108 [ "HTTP/" write version>> write bl ]
109 [ code>> present write bl ]
110 [ message>> write crlf ]
113 : unparse-content-type ( request -- content-type )
114 [ content-type>> ] [ content-charset>> ] bi
115 over mime-type-encoding encoding>name or
116 [ "application/octet-stream" or ] dip
117 [ "; charset=" glue ] when* ;
119 : ensure-domain ( cookie -- cookie )
121 url get host>> dup "localhost" =
125 : write-response-header ( response -- response )
126 #! We send one set-cookie header per cookie, because that's
127 #! what Firefox expects.
128 dup header>> >alist >vector
129 over unparse-content-type "content-type" pick set-at
131 ensure-domain unparse-set-cookie
132 "set-cookie" swap 2array suffix!
136 : write-response-body ( response -- response )
137 dup body>> call-template ;
139 M: response write-response ( respose -- )
141 write-response-header
145 M: response write-full-response ( request response -- )
147 swap method>> "HEAD" = [
148 [ content-encoding>> encode-output ]
149 [ write-response-body ]
153 M: raw-response write-response ( respose -- )
158 M: raw-response write-full-response ( request response -- )
161 : post-request? ( -- ? ) request get method>> "POST" = ;
163 SYMBOL: responder-nesting
165 SYMBOL: main-responder
171 ! path is a sequence of path component strings
172 GENERIC: call-responder* ( path responder -- response )
174 TUPLE: trivial-responder response ;
176 C: <trivial-responder> trivial-responder
178 M: trivial-responder call-responder* nip response>> clone ;
180 main-responder [ <404> <trivial-responder> ] initialize
182 : invert-slice ( slice -- slice' )
183 dup slice? [ [ seq>> ] [ from>> ] bi head-slice ] [ drop { } ] if ;
185 : add-responder-nesting ( path responder -- )
186 [ invert-slice ] dip 2array responder-nesting get push ;
188 : call-responder ( path responder -- response )
189 [ add-responder-nesting ] [ call-responder* ] 2bi ;
191 : make-http-error ( error -- xml )
192 [ "Internal server error" f ] dip
193 [ print-error nl :c ] with-html-writer
196 : <500> ( error -- response )
197 500 "Internal server error" <trivial-response>
198 swap development? get [ make-http-error >>body ] [ drop ] if ;
200 : do-response ( response -- )
201 '[ request get _ write-full-response ]
203 [ \ do-response log-error ]
207 [ make-http-error ] [ drop "Response error" ] if
209 ] with-encoded-output
213 LOG: httpd-hit NOTICE
215 LOG: httpd-header NOTICE
217 : log-header ( request name -- )
218 [ nip ] [ header ] 2bi 2array httpd-header ;
220 : log-request ( request -- )
221 [ [ method>> ] [ url>> ] bi 2array httpd-hit ]
222 [ { "user-agent" "x-forwarded-for" } [ log-header ] with each ]
225 : split-path ( string -- path )
228 : request-params ( request -- assoc )
230 { "GET" [ url>> query>> ] }
231 { "HEAD" [ url>> query>> ] }
232 { "POST" [ post-data>> params>> ] }
237 : param ( name -- value )
240 : set-param ( value name -- )
243 : init-request ( request -- )
246 [ request-params >hashtable params set ] tri
247 V{ } clone responder-nesting set ;
249 : dispatch-request ( request -- response )
250 url>> path>> split-path main-responder get call-responder ;
252 : prepare-request ( request -- )
255 [ secure? "https" "http" ? >>protocol ]
256 [ port>> remap-port '[ _ or ] change-port ]
260 : valid-request? ( request -- ? )
261 url>> port>> remap-port
262 local-address get port>> remap-port = ;
264 : do-request ( request -- response )
271 [ dup valid-request? [ dispatch-request ] [ drop <400> ] if ]
273 ] [ [ \ do-request log-error ] [ <500> ] bi ] recover ;
275 : ?refresh-all ( -- )
276 development? get-global [ [ refresh-all ] with-global ] when ;
278 LOG: httpd-benchmark DEBUG
280 : ?benchmark ( quot -- )
282 [ benchmark ] [ first ] bi url get rot 3array
284 ] [ call ] if ; inline
286 TUPLE: http-server < threaded-server ;
288 M: http-server handle-client*
291 request-limit get limited-input
292 [ read-request ] ?benchmark
293 [ do-request ] ?benchmark
294 [ do-response ] ?benchmark
297 : <http-server> ( -- server )
298 ascii http-server new-threaded-server
300 "http" protocol-port >>insecure
301 "https" protocol-port >>secure ;
303 : httpd ( port -- http-server )
309 : http-insomniac ( -- )
310 "http.server" { "httpd-hit" } schedule-insomniac ;
312 "http.server.filters" require
313 "http.server.dispatchers" require
314 "http.server.redirection" require
315 "http.server.static" require
316 "http.server.cgi" require