class form-data
Overview
This class can be used to post forms using the multipart/form-data content-type. It can be used to act as a posting client, to post forms to websites, e.g. a MediaWiki.
Synopsys
(require (planet "bot.scm" ("oesterholt" "webbot.plt" 1 0))
(define F (form-data))
(-> F form-add 'name "A name")
(-> F form-add 'file (build-path "my-file.txt"))
(let ((p (-> F form-post (string->url "http://test.form.org/post-it.php"))))
(display (read-string 1000000 p))
(close-input-port p))
(exit)
Derived classes
Constructor: (form-data)
Takes no arguments
Public members
(cookies)
Returns the curren stored cookies, as they would be send to the http server.
(cookie c)
Returns #f, if c is not found, the value of the cookie of c otherwise
(cookie-match c)
Returns #f, if c is not matched, the value of the cookie of c otherwise
(form-add name value)
This member can be used to add a (form) field to be posted. It automatically does the right thing given it's input value. If value is of type path? the form will add the file to be uploaded; otherwise the string representation of the input value is taken (using format .
Input parameters: name:<symbol> , value:<anytype> .
Returns : this
(form-clear)
Clears the form. New fields can be added.
Returns : this
(form->bytes)
Converts the form to a 'bytes' representation.
Returns : The converted form
(form-post url)
Posts the form to the given url
Input parameters: url:<url|string> (see the net collection)
Returns : <input-port> (can be used to read the results of the post
(post url)
Posts the form to the given url
Input parameters: url:<url|string> (see the net collection)
Returns : <input-port> (can be used to read the results of the post
(get url)
Gets the page given by url :<url|string>
(basic-auth uid pass)
Sets uid and password for basic authorization.
(read-page port)
Reads the whole contents from the port returned by 'form-post' or 'post'