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refactoring ftp client

db4
Doug Coleman 2008-05-11 17:25:25 -05:00
parent 8017364b1a
commit a8a61fb23c
1 changed files with 46 additions and 42 deletions
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88
extra/ftp/client/client.factor
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@ -19,21 +19,32 @@ TUPLE: ftp-response n strings ;
"anonymous" >>user
"lol@test.com" >>password ;
: read-epsv ( stream -- port )
dup stream-readln dup print
"|" split 2 tail* first string>number ;
: add-response-line ( ftp-response string -- ftp-response )
over strings>> push ;
: read-until-command ( stream ftp-response -- n )
: (ftp-response-code) ( str -- n )
3 head string>number ;
: ftp-response-code ( string -- n/f )
dup fourth CHAR: - = [ drop f ] [ (ftp-response-code) ] if ;
: last-code ( ftp-response -- n )
strings>> peek (ftp-response-code) ;
: read-response-until ( stream ftp-response n -- ftp-response )
>r over stream-readln
[ add-response-line ] [ ftp-response-code ] bi
r> tuck = [ drop nip ] [ read-response-until ] if ;
: read-response ( stream -- ftp-response )
<ftp-response>
over stream-readln
" " split1 drop string>number dup number? [
nip
] [
drop read-until-command
] if ;
[ add-response-line ] [ fourth CHAR: - = ] bi
[ dup last-code read-response-until ]
[ nip ] if dup last-code >>n ;
: ftp-read ( ftp-client -- ftp-response )
stream>> <ftp-response> [ read-until-command ] keep
dup strings>> peek " " split1 ;
stream>> read-response ;
: ftp-send ( str ftp-client -- )
stream>>
@ -48,24 +59,29 @@ TUPLE: ftp-response n strings ;
: ftp-user ( ftp-client -- n ) dup user>> "USER " prepend ftp-command ;
: ftp-password ( ftp-client -- n ) dup password>> "PASS " prepend ftp-command ;
: ftp-set-binary ( ftp-client -- n ) "TYPE I" ftp-command ;
: ftp-set-ascii ( ftp-client -- n ) "TYPE A" ftp-command ;
! : ftp-set-ascii ( ftp-client -- n ) "TYPE A" ftp-command ;
: ftp-system ( ftp-client -- n ) "SYST" ftp-command ;
: ftp-features ( ftp-client -- n ) "FEAT" ftp-command ;
: ftp-pwd ( ftp-client -- n ) "PWD" ftp-command ;
: ftp-list ( ftp-client -- n ) "LIST" ftp-command ;
: ftp-quit ( ftp-client -- n ) "QUIT" ftp-command ;
: ftp-epsv ( ftp-client -- n str ) "EPSV" ftp-command ;
: ftp-cwd ( ftp-client directory -- n ) "CWD " prepend ftp-command ;
: ftp-retr ( ftp-client filename -- n ) "RETR " prepend ftp-command ;
: parse-epsv ( ftp-response -- port )
strings>> first
"|" split 2 tail* first string>number ;
: ftp-epsv ( ftp-client -- n ) "EPSV" ftp-command ;
M: ftp-client dispose ( ftp-client -- )
[ "QUIT" ftp-command ] [ stream>> dispose ] bi ;
[ "QUIT" ftp-command drop ] [ stream>> dispose ] bi ;
ERROR: ftp-error got expected ;
: ftp-assert ( m n -- )
2dup = [ 2drop ] [ ftp-error ] if ;
: ftp-assert ( ftp-response n -- )
2dup >r n>> r> = [ 2drop ] [ ftp-error ] if ;
: ftp-connect ( ftp-client -- stream )
: ftp-connect ( ftp-client -- )
dup
[ host>> ] [ port>> ] bi <inet> ascii <client>
>>stream drop ;
@ -79,29 +95,17 @@ ERROR: ftp-error got expected ;
[ ftp-set-binary 200 ftp-assert ]
} cleave ;
: list ( stream -- )
dup ftp-epsv
dup read-epsv
! host get swap <inet> binary <client>
over ftp-list
over read-until-command drop
contents write
read-until-command drop ;
: list ( ftp-client -- ftp-response )
dup ftp-epsv dup 229 ftp-assert
>r dup host>> r> parse-epsv <inet> ascii <client>
over ftp-list 150 ftp-assert
lines <ftp-response> swap >>strings
>r ftp-read 226 ftp-assert r> ;
: ftp-get ( ftp-client filename -- )
over ftp-epsv 229 ftp-assert
;
! : ftp-get ( path stream -- )
! dup ftp-epsv
! dup read-epsv
! ! host get swap <inet> binary <client>
! >r [ ftp-retr ] 2keep dup read-until-command drop r>
! rot binary <file-writer> stream-copy
! read-until-command drop ;
: ftp-interact ( stream -- )
readln over ftp-send read-until-command drop ;
: ftp-get ( ftp-client filename -- ftp-response )
over ftp-epsv dup 229 ftp-assert
pick host>> swap parse-epsv <inet> binary <client>
swap tuck
[ dupd ftp-retr 150 ftp-assert ]
[ binary <file-writer> stream-copy ] 2bi*
ftp-read dup 226 ftp-assert ;