110 lines
3.7 KiB
Python
110 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright © 2022, Andreas Brinner.
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# Permission is hereby granted, free of charge, to any
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# person obtaining a copy of this software and associated
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# documentation files (the "Software"), to deal in the
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# Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the
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# Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice
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# shall be included in all copies or substantial portions of
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# the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
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# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import os
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import json
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import base64
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import requests
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from html.parser import HTMLParser
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from urllib.parse import urlparse
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from nikola.plugin_categories import ShortcodePlugin
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SUBMIT_FORM_JS_PATH = os.path.join(os.path.dirname(__file__), 'submit_form.js')
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class FormDataParser(HTMLParser):
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def __init__(self, *args, **argv):
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self.data = {}
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HTMLParser.__init__(self, *args, **argv)
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def handle_starttag(self, tag, attrs):
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if tag == "input":
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data = dict(attrs)
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if "id" in data and "value" in data:
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self.data[data["id"]] = json.loads(base64.b64decode(data["value"]))
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class Plugin(ShortcodePlugin):
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"""Plugin for nextcloud_forms directive."""
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name = "nextcloud_forms"
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def get_public_form_data(self, link):
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try:
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data = requests.get(link).text
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except requests.exceptions.RequestException:
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self.logger.error('Cannot get form data from url={0}', link)
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parser = FormDataParser()
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parser.feed(data)
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return parser.data
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def generate_ocs_url(self, link):
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"""Generate the OCS API base url from the given link.
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see also:
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https://github.com/nextcloud/nextcloud-router/blob/master/lib/index.ts#L29"
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"""
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url = urlparse(link)
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return "{}://{}/ocs/v2.php/apps/forms".format(url.scheme, url.netloc)
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def set_site(self, site):
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super(type(self), self).set_site(site)
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with open(SUBMIT_FORM_JS_PATH, "r") as fd:
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submit_form_js = "<script>{}</script>".format(fd.read())
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site.template_hooks['body_end'].append(submit_form_js)
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def handler(self, link, template="nextcloud_forms.tmpl",
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site=None, data=None, lang=None, post=None, **argv):
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"""Create HTML for Nextcloud Forms formular."""
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form_data = self.get_public_form_data(link)
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endpoint = self.generate_ocs_url(link)
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endpoint += "/api/v1.1/submission/insert"
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form = form_data.get("initial-state-forms-form")
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if not form:
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self.logger.error('No form defintion fond in url={}'.format(link))
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template_deps = site.template_system.template_deps(template, site.GLOBAL_CONTEXT)
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template_data = site.GLOBAL_CONTEXT.copy()
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template_data.update({
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'lang': lang,
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'form': form,
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'endpoint': endpoint,
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'initial_state': form_data,
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'success_data': data,
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})
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output = site.template_system.render_template(
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template, None, template_data)
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return output, template_deps + [__file__, SUBMIT_FORM_JS_PATH]
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