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server.l
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server.l
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(de my-htHead ()
(char)
(setq *RequestUrl (till " " T))
(char)
(setq *RequestHttpVersion (till "^M^J" T))
(line)
# now the headers
(while
(case (lowc (till " ^M^J" T))
("host:" (setq *RequestHost (glue "" (cdr (line)))))
("referer:" (setq *RequestReferer (glue "" (cdr (line)))))
("content-length:" (setq *RequestContentLength (format (glue "" (cdr (line))))))
(T (<> (line T) ""))
) )
(let (a (chop *RequestUrl) i (or (index "?" a) (inc (length a))))
(setq *RequestPathname (glue "" (head (dec i) a)))
(setq *RequestQuery (glue "" (tail (- i) a)))
)
(my-htQuery *RequestQuery)
)
(de _my-htQuerySegment (segment GlobalVar)
(put GlobalVar
(intern (ht:Pack (replace (car (split segment "=")) "+" " ") T))
(ht:Pack (replace (cadr (split segment "=")) "+" " ") T) )
#(show '*RequestGet)
)
(de my-htQuery (query)
(mapcar
'( (tx)
(_my-htQuerySegment tx '*RequestGet))
(split (chop query) "&") ) )
(de my-htPayload ()
(setq *RequestPayload
(if *RequestContentLength
(glue "" (ht:Read *RequestContentLength))
(line T) ) )
(mapcar
'( (tx)
(_my-htQuerySegment tx '*RequestPost))
(split (chop *RequestPayload) "&") )
)
(de server-dump-debug ()
(prinl "*RequestMethod:" *RequestMethod "; *RequestHttpVersion:" *RequestHttpVersion)
(prinl "*RequestUrl:" *RequestUrl "; *RequestPathname:" *RequestPathname "; *RequestQuery:" *RequestQuery)
(prinl "*RequestHost:" *RequestHost)
(prinl "*RequestPayload:" *RequestPayload)
(prinl "*RequestContentLength:" *RequestContentLength)
(show '*RequestHeadersSingular)
)
# similar to (prog)
(de dev-mini-server Args
(in NIL
(my-htHead) )
(html)
(when Args
(mapcar '((Arg) (prinl (eval Arg) "<br>")) Args)
(bye) )
)
(de my-server (WebRoot AvailablePages AssetsRoot AvailableAssets)
(off *RequestMethod *RequestHttpVersion
*RequestUrl # whole uri
*RequestPathname # pathname part of uri, without the trailing "?"
*RequestQuery # query string part of uri, without the leading "?"
*RequestGet # the parsed/interpreted query, access with (get)
*RequestPost # the parsed/interpreted POST payload, access with (get)
*RequestHost *RequestReferer *RequestContentLength
*RequestPayload # request payload string
*RequestHeadersSingular # this is technically wrong, because some headers can be repeated
)
(in NIL
(case (setq *RequestMethod (till " " T))
("GET" (my-htHead))
("POST" (my-htHead) (my-htPayload))
(T (prinl "unsupported HTTP method: \"" @ "\"") (bye))
)
)
# (server-dump-debug)
(let (
local (pack (tail -1 (chop *RequestPathname)))
asset (text "@1/@2" AssetsRoot local)
canon (text "@1-@2", *RequestMethod local)
canon (if (= canon "GET-")
(car AvailablePages)
canon )
filepn (text "@1/@2.l", WebRoot canon) )
(when (index local AvailableAssets)
(serve-one-file asset)
(bye) )
(when (index canon AvailablePages)
(script filepn)
(bye) )
(http-response-not-found)
(bye) )
)
(de serve-one-file (pathname)
(http-status-ok)
(mapcar wr (in pathname
(make
(while (rd 1)
(link @) ) ) ) )
(bye)
)
(de http-status (code message)
(prinl (text "@1 @2 @3" *RequestHttpVersion, code, message))
(prinl "")
)
(de http-response (code message)
(http-status code message)
(prinl "<!DOCTYPE html>")
(prinl "<html>")
(prinl "<head>")
(prinl (text " <title>HTTP @1 @2</title>" code message))
(prinl "</head>")
(prinl "<body>")
(prinl (text "<center><h1>HTTP @1 @2</h1></center>" code message))
)
(de http-status-ok ()
(http-status 200 "OK")
)
(de http-response-not-found ()
(http-response 404 "Not Found")
)