factor/library/httpd/http-common.factor

125 lines
3.6 KiB
Factor

! :folding=indent:collapseFolds=1:
! $Id$
!
! Copyright (C) 2003, 2004 Slava Pestov.
! Copyright (C) 2004 Chris Double.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
IN: httpd
USE: kernel
USE: lists
USE: logging
USE: namespaces
USE: parser
USE: stdio
USE: streams
USE: strings
USE: unparser
USE: url-encoding
: print-header ( alist -- )
[ unswons write ": " write url-encode print ] each ;
: response ( header msg -- )
"HTTP/1.0 " write print print-header ;
: error-body ( error -- body )
"<html><body><h1>" swap "</h1></body></html>" cat3 print ;
: error-head ( error -- )
dup log-error
[ [[ "Content-Type" "text/html" ]] ] over response ;
: httpd-error ( error -- )
#! This must be run from handle-request
error-head
"head" "method" get = [ terpri error-body ] unless ;
: bad-request ( -- )
[
! Make httpd-error print a body
"get" "method" set
"400 Bad request" httpd-error
] with-scope ;
: serving-html ( -- )
[ [[ "Content-Type" "text/html" ]] ]
"200 Document follows" response terpri ;
: serving-text ( -- )
[ [[ "Content-Type" "text/plain" ]] ]
"200 Document follows" response terpri ;
: redirect ( to -- )
"Location" swons unit
"301 Moved Permanently" response terpri ;
: directory-no/ ( -- )
[
"request" get , CHAR: / ,
"raw-query" get [ CHAR: ? , , ] when*
] make-string redirect ;
: header-line ( alist line -- alist )
": " split1 dup [ cons swons ] [ 2drop ] ifte ;
: (read-header) ( alist -- alist )
read dup
f-or-"" [ drop ] [ header-line (read-header) ] ifte ;
: read-header ( -- alist )
[ ] (read-header) ;
: content-length ( alist -- length )
"Content-Length" swap assoc parse-number ;
: query>alist ( query -- alist )
dup [
"&" split [
"=" split1
dup [ url-decode ] when swap
dup [ url-decode ] when swap cons
] map
] when ;
: read-post-request ( header -- alist )
content-length dup [ read# query>alist ] when ;
: log-user-agent ( alist -- )
"User-Agent" swap assoc* [
unswons [ , ": " , , ] make-string log
] when* ;
: prepare-url ( url -- url )
#! This is executed in the with-request namespace.
"?" split1
dup "raw-query" set query>alist "query" set
dup "request" set ;
: prepare-header ( -- )
read-header dup "header" set
dup log-user-agent
read-post-request "response" set ;