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;;; Copyright © 2019 - 2022 Jakob L. Kreuze <zerodaysfordays@sdf.org>
;;;
;;; 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/>.
(define-module (jakob dynamic capabilities comment-form)
#:use-module (gcrypt base64)
#:use-module (haunt html)
#:use-module (ice-9 match)
#:use-module (jakob builder blog)
#:use-module (jakob dynamic captcha)
#:use-module (jakob dynamic util)
#:use-module (jakob theme)
#:use-module (jakob utils sxml)
#:use-module (json)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (web request)
#:use-module (web response)
#:use-module (web uri)
#:export (render-comment-form
render-comment-form-success
render-comment-form-failure
get-comment-form))
(define* (render-comment-form slug #:key (header-level 'h1) (captcha-id "") captcha-image)
`(div (@ (id "comment-form"))
(,header-level "Comment form")
(form (@ (id "comment-input") (action "/api/comment") (method "post"))
(input (@ (type "text") (name "slug") (hidden #t) (value ,slug)))
(input (@ (type "text") (id "captcha-id") (name "captcha-id") (hidden #t) (autocomplete "off") (value ,captcha-id)))
(fieldset (@ (id "commenter-info"))
(legend "Commenter Info")
(label (@ (for "name")) "Name:")
(input (@ (type "text") (id "name") (name "name") (required #t) (size 24)))
(label (@ (for "email")) "Email (optional, used for Gravatar):")
(input (@ (type "text") (id "email") (name "email") (size 24)))
(label (@ (for "url")) "Webpage URL (optional):")
(input (@ (type "text") (id "url") (name "url") (size 24))))
(fieldset (@ (id "comment-content"))
(legend "Comment")
(label (@ (for "subject")) "Subject (optional):")
(input (@ (type "text") (id "subject") (name "subject") (size 24)))
(label (@ (for "comment")) "Comment :")
(textarea (@ (id "coment") (name "comment") (rows 4) (cols 50))))
(fieldset (@ (id "comment-captcha"))
(legend "Captcha")
(label (@ (for "captcha")) "Please evaluate the following definite integral:")
(img (@ (id "captcha-image")
(src ,(if captcha-image
(format #f "data:image/jpeg;charset=utf-8;base64,~a"
(base64-encode captcha-image))
""))))
(input (@ (type "text") (id "captcha") (name "captcha") (size 24)))
(button (@ (id "pow-trigger") (hidden #t))
"Too hard? (Or unable to see the challenge?) Click here.")
(input (@ (type "text") (id "captcha-alt") (name "captcha-alt") (hidden #t)))
(input (@ (type "text") (id "captcha-alt-id") (name "captcha-alt-id") (hidden #t)))
(input (@ (type "submit") (id "submit-form") (value "Submit")))))
,(script "dynamic-comment-form.js")
,(script "proof-of-work.js")))
(define (render-comment-form-success slug)
`((div (h1 "Success!")
(meta (@ (http-equiv "refresh")
(content "1; url=https://jakob.space"))))))
(define (get-comment-form request body)
"API endpoint handler for querying for the comments on a particular post
This is a wrapper around `get-comments-by-slug'."
(let-values (((captcha-id captcha-image) (new-captcha!)))
(let* ((path-encoded (uri-path (request-uri request)))
(path (split-and-decode-uri-path path-encoded))
(slug (last path))
(form (render-comment-form slug
#:captcha-id captcha-id
#:captcha-image captcha-image)))
(values '((content-type . (text/html)))
(sxml->html-string
(theme #:content form #:title "Comment prompt"))))))
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