1 ! Copyright (C) 2005, 2008 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors assocs kernel math math.parser namespaces make
4 sequences io io.sockets io.streams.string io.files io.timeouts
5 strings splitting calendar continuations accessors vectors
6 math.order hashtables byte-arrays destructors
14 fry ascii urls urls.encoding present
18 : write-request-line ( request -- request )
21 [ url>> relative-url present write bl ]
22 [ "HTTP/" write version>> write crlf ]
25 : url-host ( url -- string )
26 [ host>> ] [ port>> ] bi dup "http" protocol-port =
27 [ drop ] [ ":" swap number>string 3append ] if ;
29 : write-request-header ( request -- request )
30 dup header>> >hashtable
31 over url>> host>> [ over url>> url-host "host" pick set-at ] when
33 [ raw>> length "content-length" pick set-at ]
34 [ content-type>> "content-type" pick set-at ]
37 over cookies>> [ unparse-cookie "cookie" pick set-at ] unless-empty
40 GENERIC: >post-data ( object -- post-data )
42 M: post-data >post-data ;
44 M: string >post-data utf8 encode "application/octet-stream" <post-data> ;
46 M: byte-array >post-data "application/octet-stream" <post-data> ;
48 M: assoc >post-data assoc>query ascii encode "application/x-www-form-urlencoded" <post-data> ;
52 : unparse-post-data ( request -- request )
53 [ >post-data ] change-post-data ;
55 : write-post-data ( request -- request )
56 dup method>> [ "POST" = ] [ "PUT" = ] bi or
57 [ dup post-data>> [ raw>> write ] when* ] when ;
59 : write-request ( request -- )
68 : read-response-line ( response -- response )
69 read-crlf parse-response-line first3
70 [ >>version ] [ >>code ] [ >>message ] tri* ;
72 : read-response-header ( response -- response )
74 dup "set-cookie" header parse-set-cookie >>cookies
75 dup "content-type" header [
78 [ >>content-charset ] bi*
81 : read-response ( -- response )
84 read-response-header ;
88 ERROR: too-many-redirects ;
90 M: too-many-redirects summary
92 [ "Redirection limit of " % max-redirects # " exceeded" % ] "" make ;
94 DEFER: with-http-request
100 : redirect-url ( request url -- request )
101 '[ _ >url derive-url ensure-port ] change-url ;
103 : redirect? ( response -- ? )
104 code>> 300 399 between? ;
106 : do-redirect ( quot: ( chunk -- ) response -- response )
108 redirects get max-redirects < [
110 swap "location" header redirect-url
111 "GET" >>method swap with-http-request
112 ] [ too-many-redirects ] if ; inline recursive
114 : read-chunk-size ( -- n )
115 read-crlf ";" split1 drop [ blank? ] trim-right
116 hex> [ "Bad chunk size" throw ] unless* ;
118 : read-chunked ( quot: ( chunk -- ) -- )
119 read-chunk-size dup zero?
121 read [ swap call ] [ drop ] 2bi
122 read-crlf B{ } assert= read-chunked
123 ] if ; inline recursive
125 : read-unchunked ( quot: ( chunk -- ) -- )
126 8192 read-partial dup [
127 [ swap call ] [ drop read-unchunked ] 2bi
128 ] [ 2drop ] if ; inline recursive
130 : read-response-body ( quot response -- )
132 "transfer-encoding" header "chunked" =
133 [ read-chunked ] [ read-unchunked ] if ; inline
135 : <request-socket> ( -- stream )
136 request get url>> url-addr ascii <client> drop
137 1 minutes over set-timeout ;
141 : with-http-request ( request quot: ( chunk -- ) -- response )
147 [ request get write-request ]
151 read-response dup redirect? [ t ] [
153 [ read-response-body ]
160 [ do-redirect ] [ nip ] if
161 ] with-variable ; inline recursive
163 : success? ( code -- ? ) 200 299 between? ;
165 ERROR: download-failed response data ;
167 M: download-failed error.
168 "HTTP request failed:" print nl
169 [ response>> . ] [ data>> . ] bi ;
171 : check-response* ( response data -- response data )
172 over code>> success? [ download-failed ] unless ;
174 : check-response ( response -- response )
175 f check-response* drop ;
177 : http-request ( request -- response data )
178 [ [ % ] with-http-request ] B{ } make
179 over content-charset>> decode check-response* ;
181 : <client-request> ( url -- request )
182 <request> swap >url ensure-port >>url ;
184 : <client-data-request> ( data url -- request )
185 <client-request> swap >>post-data ;
187 : <get-request> ( url -- request )
188 <client-request> "GET" >>method ;
190 : http-get ( url -- response data )
191 <get-request> http-request ;
193 : with-http-get ( url quot -- response )
194 [ <get-request> ] dip with-http-request check-response ; inline
196 : <delete-request> ( url -- request )
197 <client-request> "DELETE" >>method ;
199 : http-delete ( url -- response data )
200 <delete-request> http-request ;
202 : <trace-request> ( url -- request )
203 <client-request> "TRACE" >>method ;
205 : http-trace ( url -- response data )
206 <trace-request> http-request ;
208 : download-name ( url -- name )
209 present file-name "?" split1 drop "/" ?tail drop ;
211 : download-to ( url file -- )
212 binary [ [ write ] with-http-get drop ] with-file-writer ;
214 : download ( url -- )
215 dup download-name download-to ;
217 : <post-request> ( post-data url -- request )
218 <client-data-request> "POST" >>method ;
220 : http-post ( post-data url -- response data )
221 <post-request> http-request ;
223 : <put-request> ( data url -- request )
224 <client-data-request> "PUT" >>method ;
226 : http-put ( data url -- response data )
227 <put-request> http-request ;
229 USING: vocabs vocabs.loader ;
231 "debugger" vocab [ "http.client.debugger" require ] when