factor/library/httpd/httpd.factor

78 lines
1.8 KiB
Factor

! Copyright (C) 2003, 2005 Slava Pestov.
! See http://factor.sf.net/license.txt for BSD license.
IN: httpd
USING: errors httpd-responder kernel lists logging namespaces
stdio streams strings threads url-encoding ;
: httpd-log-stream ( -- stream )
#! Set httpd-log-file to save httpd log to a file.
"httpd-log-file" get dup [
<file-reader>
] [
drop stdio get
] ifte ;
: (url>path) ( uri -- path )
url-decode "http://" ?str-head [
"/" split1 dup "" ? nip
] when ;
: url>path ( uri -- path )
"?" split1 dup [
>r (url>path) "?" r> cat3
] [
drop (url>path)
] ifte ;
: secure-path ( path -- path )
".." over str-contains? [ drop f ] when ;
: request-method ( cmd -- method )
[
[[ "GET" "get" ]]
[[ "POST" "post" ]]
[[ "HEAD" "head" ]]
] assoc [ "bad" ] unless* ;
: (handle-request) ( arg cmd -- url method )
request-method dup "method" set swap
prepare-url prepare-header ;
: handle-request ( arg cmd -- )
[ (handle-request) serve-responder ] with-scope ;
: parse-request ( request -- )
dup log
" " split1 dup [
" HTTP" split1 drop url>path secure-path dup [
swap handle-request
] [
2drop bad-request
] ifte
] [
2drop bad-request
] ifte ;
: httpd-client ( socket -- )
[
[
stdio get log-client read [ parse-request ] when*
] with-stream
] try ;
: httpd-connection ( socket -- )
"http-server" get accept [ httpd-client ] in-thread drop ;
: httpd-loop ( -- )
[ httpd-connection ] forever ;
: (httpd) ( port -- )
<server> "http-server" set [
httpd-loop
] [
"http-server" get fclose rethrow
] catch ;
: httpd ( port -- )
[ httpd-log-stream "log" set (httpd) ] with-scope ;