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 strings splitting calendar continuations accessors vectors
5 math.order hashtables byte-arrays destructors
6 io io.sockets io.streams.string io.files io.timeouts
7 io.pathnames io.encodings io.encodings.string io.encodings.ascii
8 io.encodings.utf8 io.encodings.8-bit io.encodings.binary
9 io.streams.duplex fry ascii urls urls.encoding present
13 : write-request-line ( request -- request )
16 [ url>> relative-url present write bl ]
17 [ "HTTP/" write version>> write crlf ]
20 : url-host ( url -- string )
21 [ host>> ] [ port>> ] bi dup "http" protocol-port =
22 [ drop ] [ ":" swap number>string 3append ] if ;
24 : write-request-header ( request -- request )
25 dup header>> >hashtable
26 over url>> host>> [ over url>> url-host "host" pick set-at ] when
28 [ raw>> length "content-length" pick set-at ]
29 [ content-type>> "content-type" pick set-at ]
32 over cookies>> [ unparse-cookie "cookie" pick set-at ] unless-empty
35 GENERIC: >post-data ( object -- post-data )
37 M: post-data >post-data ;
39 M: string >post-data utf8 encode "application/octet-stream" <post-data> ;
41 M: byte-array >post-data "application/octet-stream" <post-data> ;
43 M: assoc >post-data assoc>query ascii encode "application/x-www-form-urlencoded" <post-data> ;
47 : unparse-post-data ( request -- request )
48 [ >post-data ] change-post-data ;
50 : write-post-data ( request -- request )
51 dup method>> [ "POST" = ] [ "PUT" = ] bi or [ dup post-data>> raw>> write ] when ;
53 : write-request ( request -- )
62 : read-response-line ( response -- response )
63 read-crlf parse-response-line first3
64 [ >>version ] [ >>code ] [ >>message ] tri* ;
66 : read-response-header ( response -- response )
68 dup "set-cookie" header parse-set-cookie >>cookies
69 dup "content-type" header [
72 [ >>content-charset ] bi*
75 : read-response ( -- response )
78 read-response-header ;
82 ERROR: too-many-redirects ;
86 DEFER: (with-http-request)
90 : redirect-url ( request url -- request )
91 '[ _ >url derive-url ensure-port ] change-url ;
93 : redirect? ( response -- ? )
94 code>> 300 399 between? ;
96 : do-redirect ( quot: ( chunk -- ) response -- response )
98 redirects get max-redirects < [
100 swap "location" header redirect-url
101 "GET" >>method swap (with-http-request)
102 ] [ too-many-redirects ] if ; inline recursive
104 : read-chunk-size ( -- n )
105 read-crlf ";" split1 drop [ blank? ] trim-right
106 hex> [ "Bad chunk size" throw ] unless* ;
108 : read-chunked ( quot: ( chunk -- ) -- )
109 read-chunk-size dup zero?
111 read [ swap call ] [ drop ] 2bi
112 read-crlf B{ } assert= read-chunked
113 ] if ; inline recursive
115 : read-unchunked ( quot: ( chunk -- ) -- )
116 8192 read-partial dup [
117 [ swap call ] [ drop read-unchunked ] 2bi
118 ] [ 2drop ] if ; inline recursive
120 : read-response-body ( quot response -- )
122 "transfer-encoding" header "chunked" =
123 [ read-chunked ] [ read-unchunked ] if ; inline
125 : <request-socket> ( -- stream )
126 request get url>> url-addr ascii <client> drop
127 1 minutes over set-timeout ;
129 : (with-http-request) ( request quot: ( chunk -- ) -- response )
135 [ request get write-request ]
139 read-response dup redirect? [ t ] [
141 [ read-response-body ]
148 [ do-redirect ] [ nip ] if
149 ] with-variable ; inline recursive
153 : success? ( code -- ? ) 200 299 between? ;
155 ERROR: download-failed response ;
157 : check-response ( response -- response )
158 dup code>> success? [ download-failed ] unless ;
160 : with-http-request ( request quot -- response )
161 (with-http-request) check-response ; inline
163 : http-request ( request -- response data )
164 [ [ % ] with-http-request ] B{ } make
165 over content-charset>> decode ;
167 : <get-request> ( url -- request )
170 swap >url ensure-port >>url ;
172 : http-get ( url -- response data )
173 <get-request> http-request ;
175 : with-http-get ( url quot -- response )
176 [ <get-request> ] dip with-http-request ; inline
178 : download-name ( url -- name )
179 present file-name "?" split1 drop "/" ?tail drop ;
181 : download-to ( url file -- )
182 binary [ [ write ] with-http-get drop ] with-file-writer ;
184 : download ( url -- )
185 dup download-name download-to ;
187 : <post-request> ( post-data url -- request )
190 swap >url ensure-port >>url
193 : http-post ( post-data url -- response data )
194 <post-request> http-request ;
196 USING: vocabs vocabs.loader ;
198 "debugger" vocab [ "http.client.debugger" require ] when