1 ! Copyright (C) 2003, 2009 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
19 fry logging logging.insomniac calendar urls urls.encoding
29 FROM: mime.multipart => parse-multipart ;
32 : check-absolute ( url -- url )
33 dup path>> "/" head? [ "Bad request: URL" throw ] unless ; inline
35 : read-request-line ( request -- request )
36 read-crlf parse-request-line first3
37 [ >>method ] [ >url check-absolute >>url ] [ >>version ] tri* ;
39 : read-request-header ( request -- request )
40 read-header >>header ;
44 : parse-multipart-form-data ( string -- separator )
46 "=" split1 nip [ no-boundary ] unless* ;
50 : read-multipart-data ( request -- mime-parts )
51 [ "content-type" header ]
52 [ "content-length" header string>number ] bi
54 upload-limit get stream-throws limit-input
55 stream-eofs limit-input
57 parse-multipart-form-data parse-multipart ;
59 : read-content ( request -- bytes )
60 "content-length" header string>number read ;
62 : parse-content ( request content-type -- post-data )
63 [ <post-data> swap ] keep {
64 { "multipart/form-data" [ read-multipart-data >>params ] }
65 { "application/x-www-form-urlencoded" [ read-content query>assoc >>params ] }
66 [ drop read-content >>data ]
69 : read-post-data ( request -- request )
70 dup method>> "POST" = [
71 dup dup "content-type" header
72 ";" split1 drop parse-content >>post-data
75 : extract-host ( request -- request )
76 [ ] [ url>> ] [ "host" header parse-host ] tri
77 [ >>host ] [ >>port ] bi*
80 : extract-cookies ( request -- request )
81 dup "cookie" header [ parse-cookie >>cookies ] when* ;
83 : read-request ( -- request )
91 GENERIC: write-response ( response -- )
93 GENERIC: write-full-response ( request response -- )
95 : write-response-line ( response -- response )
97 [ "HTTP/" write version>> write bl ]
98 [ code>> present write bl ]
99 [ message>> write crlf ]
102 : unparse-content-type ( request -- content-type )
103 [ content-type>> "application/octet-stream" or ] [ content-charset>> ] bi
104 dup binary eq? [ drop ] [ encoding>name "; charset=" glue ] if ;
106 : ensure-domain ( cookie -- cookie )
108 url get host>> dup "localhost" =
112 : write-response-header ( response -- response )
113 #! We send one set-cookie header per cookie, because that's
114 #! what Firefox expects.
115 dup header>> >alist >vector
116 over unparse-content-type "content-type" pick set-at
118 ensure-domain unparse-set-cookie
119 "set-cookie" swap 2array over push
123 : write-response-body ( response -- response )
124 dup body>> call-template ;
126 M: response write-response ( respose -- )
128 write-response-header
132 M: response write-full-response ( request response -- )
134 swap method>> "HEAD" = [
135 [ content-charset>> encode-output ]
136 [ write-response-body ]
140 M: raw-response write-response ( respose -- )
145 M: raw-response write-full-response ( request response -- )
148 : post-request? ( -- ? ) request get method>> "POST" = ;
150 SYMBOL: responder-nesting
152 SYMBOL: main-responder
158 ! path is a sequence of path component strings
159 GENERIC: call-responder* ( path responder -- response )
161 TUPLE: trivial-responder response ;
163 C: <trivial-responder> trivial-responder
165 M: trivial-responder call-responder* nip response>> clone ;
167 main-responder [ <404> <trivial-responder> ] initialize
169 : invert-slice ( slice -- slice' )
170 dup slice? [ [ seq>> ] [ from>> ] bi head-slice ] [ drop { } ] if ;
172 : add-responder-nesting ( path responder -- )
173 [ invert-slice ] dip 2array responder-nesting get push ;
175 : call-responder ( path responder -- response )
176 [ add-responder-nesting ] [ call-responder* ] 2bi ;
178 : make-http-error ( error -- xml )
179 [ "Internal server error" f ] dip
180 [ print-error nl :c ] with-html-writer
183 : <500> ( error -- response )
184 500 "Internal server error" <trivial-response>
185 swap development? get [ make-http-error >>body ] [ drop ] if ;
187 : do-response ( response -- )
188 '[ request get _ write-full-response ]
190 [ \ do-response log-error ]
194 [ make-http-error ] [ drop "Response error" ] if
196 ] with-encoded-output
200 LOG: httpd-hit NOTICE
202 LOG: httpd-header NOTICE
204 : log-header ( request name -- )
205 [ nip ] [ header ] 2bi 2array httpd-header ;
207 : log-request ( request -- )
208 [ [ method>> ] [ url>> ] bi 2array httpd-hit ]
209 [ { "user-agent" "x-forwarded-for" } [ log-header ] with each ]
212 : split-path ( string -- path )
215 : init-request ( request -- )
216 [ request set ] [ url>> url set ] bi
217 V{ } clone responder-nesting set ;
219 : dispatch-request ( request -- response )
220 url>> path>> split-path main-responder get call-responder ;
222 : prepare-request ( request -- )
225 [ secure? "https" "http" ? >>protocol ]
226 [ port>> remap-port '[ _ or ] change-port ]
230 : valid-request? ( request -- ? )
231 url>> port>> remap-port
232 local-address get port>> remap-port = ;
234 : do-request ( request -- response )
241 [ dup valid-request? [ dispatch-request ] [ drop <400> ] if ]
243 ] [ [ \ do-request log-error ] [ <500> ] bi ] recover ;
245 : ?refresh-all ( -- )
246 development? get-global [ global [ refresh-all ] bind ] when ;
248 LOG: httpd-benchmark DEBUG
250 : ?benchmark ( quot -- )
252 [ benchmark ] [ first ] bi url get rot 3array
254 ] [ call ] if ; inline
256 TUPLE: http-server < threaded-server ;
258 SYMBOL: request-limit
260 64 1024 * request-limit set-global
262 M: http-server handle-client*
264 request-limit get stream-throws limit-input
266 [ read-request ] ?benchmark
267 [ do-request ] ?benchmark
268 [ do-response ] ?benchmark
271 : <http-server> ( -- server )
272 ascii http-server new-threaded-server
274 "http" protocol-port >>insecure
275 "https" protocol-port >>secure ;
283 : http-insomniac ( -- )
284 "http.server" { "httpd-hit" } schedule-insomniac ;
286 "http.server.filters" require
287 "http.server.dispatchers" require
288 "http.server.redirection" require
289 "http.server.static" require
290 "http.server.cgi" require