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paste.el
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paste.el
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;;; paste.el --- paste server with elnode
;; Copyright (C) 2012 Nic Ferrier
;; Author: Nic Ferrier <nferrier@ferrier.me.uk>
;; Keywords: hypermedia
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; A pastebin with Elnode.
;;; Code:
(elnode-app pasteel/dir elnode esxml creole uuid)
(defconst pasteel-store-dir "/tmp/pasteel")
(defun pasteel-paste (httpcon)
"Serve a paste."
(let ((creole-text
(with-current-buffer
(find-file-noselect
(concat
(file-name-as-directory pasteel-store-dir)
(elnode-http-mapping httpcon 1)))
(buffer-substring-no-properties (point-min)(point-max)))))
(elnode-http-start httpcon 200 '(content-type . "text/html"))
(with-stdout-to-elnode httpcon
(creole-wiki
creole-text
:destination t
:body-header "<h1>Your paste</h1>"
:css (concat pasteel/dir "pasteel.css")))))
(defun pasteel-bin (httpcon)
(elnode-method httpcon
(GET
(elnode-send-file httpcon (concat pasteel/dir "pasteel.html")))
(POST
(let* ((text (elnode-http-param httpcon "text"))
(type (elnode-http-param httpcon "type"))
(uuid (uuid-string))
(file (concat (file-name-as-directory pasteel-store-dir) uuid))
;; This could be useful for ensuring we don't repeat pastes?
(mac (base64-encode-string
(hmac-sha1
"test"
(base64-encode-string text))))
(creole-text
(format
"\n{{{\n##! %s\n%s\n}}}\n"
type
text)))
(unless (file-exists-p pasteel-store-dir)
(make-directory pasteel-store-dir t))
(with-temp-file file (insert creole-text))
(elnode-send-redirect httpcon (concat "/pasteel/" uuid))))))
(defun pasteel-handler (httpcon)
(elnode-hostpath-dispatcher
httpcon
`(("^[^/]*//pasteel.css$"
. ,(elnode-make-send-file (concat pasteel/dir "pasteel.css")))
("^[^/]*//pasteel/\\([^/]+\\)$" . pasteel-paste)
("^[^/]*/.*" . pasteel-bin))))
(provide 'paste)
;;; paste.el ends here