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
20 fry logging logging.insomniac calendar urls urls.encoding
30 FROM: mime.multipart => parse-multipart ;
33 : check-absolute ( url -- url )
34 dup path>> "/" head? [ "Bad request: URL" throw ] unless ; inline
36 : read-request-line ( request -- request )
37 read-crlf parse-request-line first3
38 [ >>method ] [ >url check-absolute >>url ] [ >>version ] tri* ;
40 : read-request-header ( request -- request )
41 read-header >>header ;
45 : parse-multipart-form-data ( string -- separator )
47 "=" split1 nip [ no-boundary ] unless* ;
51 : read-multipart-data ( request -- mime-parts )
52 [ "content-type" header ]
53 [ "content-length" header string>number ] bi
55 upload-limit get stream-throws limit-input
56 stream-eofs limit-input
58 parse-multipart-form-data parse-multipart ;
60 : read-content ( request -- bytes )
61 "content-length" header string>number read ;
63 : parse-content ( request content-type -- post-data )
64 [ <post-data> swap ] keep {
65 { "multipart/form-data" [ read-multipart-data >>params ] }
66 { "application/x-www-form-urlencoded" [ read-content query>assoc >>params ] }
67 [ drop read-content >>data ]
70 : read-post-data ( request -- request )
71 dup method>> "POST" = [
72 dup dup "content-type" header
73 ";" split1 drop parse-content >>post-data
76 : extract-host ( request -- request )
77 [ ] [ url>> ] [ "host" header parse-host ] tri
78 [ >>host ] [ >>port ] bi*
81 : extract-cookies ( request -- request )
82 dup "cookie" header [ parse-cookie >>cookies ] when* ;
84 : read-request ( -- request )
92 GENERIC: write-response ( response -- )
94 GENERIC: write-full-response ( request response -- )
96 : write-response-line ( response -- response )
98 [ "HTTP/" write version>> write bl ]
99 [ code>> present write bl ]
100 [ message>> write crlf ]
103 : unparse-content-type ( request -- content-type )
104 [ content-type>> "application/octet-stream" or ] [ content-charset>> ] bi
105 dup binary eq? [ drop ] [ encoding>name "; charset=" glue ] if ;
107 : ensure-domain ( cookie -- cookie )
109 url get host>> dup "localhost" =
113 : write-response-header ( response -- response )
114 #! We send one set-cookie header per cookie, because that's
115 #! what Firefox expects.
116 dup header>> >alist >vector
117 over unparse-content-type "content-type" pick set-at
119 ensure-domain unparse-set-cookie
120 "set-cookie" swap 2array over push
124 : write-response-body ( response -- response )
125 dup body>> call-template ;
127 M: response write-response ( respose -- )
129 write-response-header
133 M: response write-full-response ( request response -- )
135 swap method>> "HEAD" = [
136 [ content-charset>> encode-output ]
137 [ write-response-body ]
141 M: raw-response write-response ( respose -- )
146 M: raw-response write-full-response ( request response -- )
149 : post-request? ( -- ? ) request get method>> "POST" = ;
151 SYMBOL: responder-nesting
153 SYMBOL: main-responder
159 ! path is a sequence of path component strings
160 GENERIC: call-responder* ( path responder -- response )
162 TUPLE: trivial-responder response ;
164 C: <trivial-responder> trivial-responder
166 M: trivial-responder call-responder* nip response>> clone ;
168 main-responder [ <404> <trivial-responder> ] initialize
170 : invert-slice ( slice -- slice' )
171 dup slice? [ [ seq>> ] [ from>> ] bi head-slice ] [ drop { } ] if ;
173 : add-responder-nesting ( path responder -- )
174 [ invert-slice ] dip 2array responder-nesting get push ;
176 : call-responder ( path responder -- response )
177 [ add-responder-nesting ] [ call-responder* ] 2bi ;
179 : make-http-error ( error -- xml )
180 [ "Internal server error" f ] dip
181 [ print-error nl :c ] with-html-writer
184 : <500> ( error -- response )
185 500 "Internal server error" <trivial-response>
186 swap development? get [ make-http-error >>body ] [ drop ] if ;
188 : do-response ( response -- )
189 '[ request get _ write-full-response ]
191 [ \ do-response log-error ]
195 [ make-http-error ] [ drop "Response error" ] if
197 ] with-encoded-output
201 LOG: httpd-hit NOTICE
203 LOG: httpd-header NOTICE
205 : log-header ( request name -- )
206 [ nip ] [ header ] 2bi 2array httpd-header ;
208 : log-request ( request -- )
209 [ [ method>> ] [ url>> ] bi 2array httpd-hit ]
210 [ { "user-agent" "x-forwarded-for" } [ log-header ] with each ]
213 : split-path ( string -- path )
216 : request-params ( request -- assoc )
218 { "GET" [ url>> query>> ] }
219 { "HEAD" [ url>> query>> ] }
220 { "POST" [ post-data>> params>> ] }
225 : param ( name -- value )
228 : set-param ( value name -- )
231 : init-request ( request -- )
234 [ request-params >hashtable params set ] tri
235 V{ } clone responder-nesting set ;
237 : dispatch-request ( request -- response )
238 url>> path>> split-path main-responder get call-responder ;
240 : prepare-request ( request -- )
243 [ secure? "https" "http" ? >>protocol ]
244 [ port>> remap-port '[ _ or ] change-port ]
248 : valid-request? ( request -- ? )
249 url>> port>> remap-port
250 local-address get port>> remap-port = ;
252 : do-request ( request -- response )
259 [ dup valid-request? [ dispatch-request ] [ drop <400> ] if ]
261 ] [ [ \ do-request log-error ] [ <500> ] bi ] recover ;
263 : ?refresh-all ( -- )
264 development? get-global [ global [ refresh-all ] bind ] when ;
266 LOG: httpd-benchmark DEBUG
268 : ?benchmark ( quot -- )
270 [ benchmark ] [ first ] bi url get rot 3array
272 ] [ call ] if ; inline
274 TUPLE: http-server < threaded-server ;
276 SYMBOL: request-limit
278 64 1024 * request-limit set-global
280 M: http-server handle-client*
282 request-limit get stream-throws limit-input
284 [ read-request ] ?benchmark
285 [ do-request ] ?benchmark
286 [ do-response ] ?benchmark
289 : <http-server> ( -- server )
290 ascii http-server new-threaded-server
292 "http" protocol-port >>insecure
293 "https" protocol-port >>secure ;
301 : http-insomniac ( -- )
302 "http.server" { "httpd-hit" } schedule-insomniac ;
304 "http.server.filters" require
305 "http.server.dispatchers" require
306 "http.server.redirection" require
307 "http.server.static" require
308 "http.server.cgi" require