nasg/micropub.py

286 lines
7.8 KiB
Python
Executable file

#!/usr/bin/env python3
import os
import asyncio
import uvloop
from sanic import Sanic
import sanic.response
from sanic.log import log as logging
import os
import arrow
import frontmatter
import glob
import tempfile
from slugify import slugify
import glob
import shared
from nasg import BaseRenderable, Renderer, Singular
import requests
import urllib.parse
class NewEntry(BaseRenderable):
metamap = {
'summary': 'summary',
'name': 'title',
'in-reply-to': 'in-reply-to',
'repost-of': 'repost-of',
'bookmark-of': 'bookmark-of',
'like-of': 'favorite-of',
}
categorymap = {
'in-reply-to': 'note',
'repost-of': 'note',
'bookmark-of': 'bookmark',
'favorite-of': 'favorite'
}
slugmap = [
'slug',
'in-reply-to',
'repost-of',
'bookmark-of',
'like-of',
'title'
]
# needs self.mtime, self.target
def __init__(self, request):
self.dt = arrow.utcnow()
self.fm = frontmatter.loads('')
self.request = request
self.response = sanic.response.text("Unhandled error", status=500)
logging.debug(request.form)
def __try_adding_meta(self, lookfor, kname):
t = self.request.form.get(lookfor, None)
if t and len(t):
self.fm.metadata[kname] = self.request.form.get(lookfor)
@property
def path(self):
return os.path.abspath(os.path.join(
shared.config.get('source', 'contentdir'),
self.category,
"%s.md" % self.fname
))
@property
def target(self):
targetdir = os.path.abspath(os.path.join(
shared.config.get('target', 'builddir'),
self.fname
))
return os.path.join(targetdir, 'index.html')
@property
def category(self):
category = 'note'
for meta, cname in self.categorymap.items():
if meta in self.fm.metadata:
logging.debug('changing category to %s because we have %s', cname, meta)
category = cname
if 'summary' in self.fm.metadata:
if 'IT' in self.fm.metada['tags'] or 'it' in self.fm.metada['tags']:
category = 'article'
logging.debug('changing category to %s', category)
if 'journal' in self.fm.metada['tags'] or 'journal' in self.fm.metada['tags']:
category = 'journal'
logging.debug('changing category to %s', category)
return category
@property
def existing_tags(self):
if hasattr(self, '_existing_tags'):
return self._existing_tags
existing = glob.glob(os.path.join(
shared.config.get('target', 'builddir'),
"tag",
"*"
));
self._existing_tags = existing
return self._existing_tags
@property
def existing_slugs(self):
if hasattr(self, '_existing_slugs'):
return self._existing_slugs
existing = [os.path.splitext(i)[0] for i in list(map(
os.path.basename, glob.glob(
os.path.join(
shared.config.get('source', 'contentdir'),
"*",
"*.md"
)
)
))]
self._existing_slugs = existing
return self._existing_slugs
@property
def fname(self):
if hasattr(self, '_slug'):
return self._slug
slug = shared.baseN(self.dt.timestamp)
for maybe in self.slugmap:
val = self.request.form.get(maybe, None)
if not val:
continue
logging.debug('using %s for slug', maybe)
slug = shared.slugfname(val)
break
self._slug = slug
return self._slug
@property
def exists(self):
if self.fname in self.existing_slugs:
logging.warning("slug already exists: %s", slug)
return True
return False
#inc = 1
#while slug in slugs:
#slug = "%s-%d" % (slug, inc)
#inc = inc+1
#logging.warning("Using %s as slug instead", slug)
def run(self):
if not self.verify():
return
self.parse()
if self.exists:
self.response = sanic.response.text(
"update is not yet supported",
status=401
)
return
self.write()
#self.render()
def verify(self):
if 'q' in self.request.args:
if 'config' in self.request.args['q']:
self.response = sanic.response.json({
'tags': self.existing_tags
}, status=200)
return
if 'syndicate-to' in self.request.args['q']:
self.response = sanic.response.json({
'syndicate-to': []
}, status=200)
return
if not 'access_token' in self.request.form:
self.response = sanic.response.text(
"Mising access token",
status=401
)
return
token = self.request.form.get('access_token')
verify = requests.get(
'https://tokens.indieauth.com/token',
allow_redirects=False,
timeout=10,
headers={
'Content-Type': 'application/x-www-form-urlencoded',
'Authorization': 'Bearer %s' % (token)
});
if verify.status_code != requests.codes.ok:
self.response = sanic.response.text(
"Could not verify access token",
status=500
)
return False
response = urllib.parse.parse_qs(verify.text)
logging.debug(response)
if 'scope' not in response or 'me' not in response:
self.response = sanic.response.text(
"Could not verify access token 'me'",
status=401
)
return False
if '%s/' % (shared.config.get('site','url').rstrip()) not in response['me']:
self.response = sanic.response.text(
"You can't post to this domain.",
status=401
)
return False
if 'create' not in "%s" % response['scope']:
self.response = sanic.response.text(
"Invalid scope",
status=401
)
return False
return True
def parse(self):
self.fm.metadata['published'] = self.dt.format(shared.ARROWISO)
for lookfor, kname in self.metamap.items():
self.__try_adding_meta(lookfor, kname)
if self.request.form.get('content', None):
self.fm.content = self.request.form.get('content')
if self.request.form.get('category[]', None):
self.fm.metadata['tags'] = list(self.request.form['category[]'])
def write(self):
logging.info('writing incoming post to: %s', self.path)
with open (self.path, 'wt') as f:
f.write(frontmatter.dumps(self.fm))
self.response = sanic.response.text(
"Created",
status=201
)
#def render(self):
#singular = Singular(self.path)
#singular.render()
#self.response = sanic.response.text(
#"Post created",
#status = 201,
#headers = {
#'Location': "%s" % (singular.url)
#}
#)
#return
if __name__ == '__main__':
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
app = Sanic()
@app.route("/micropub", methods=["POST","GET"])
async def mpub(request):
r = NewEntry(request)
r.run()
return r.response
app.run(host="127.0.0.1", port=8004, debug=True)