def find_target_post(target_url):
current_app.logger.debug("looking for target post at %s", target_url)
# follow redirects if necessary
redirect_url = urllib.request.urlopen(target_url).geturl()
if redirect_url and redirect_url != target_url:
current_app.logger.debug("followed redirection to %s", redirect_url)
target_url = redirect_url
parsed_url = urllib.parse.urlparse(target_url)
if not parsed_url:
current_app.logger.warn("Could not parse target_url of received webmention: %s", target_url)
return None
try:
# FIXME this is a less-than-perfect fix for hosting from a
# subdirectory. The url_map may have some clever work-around.
parsed_site_root = urllib.parse.urlparse(get_settings().site_url)
site_prefix = parsed_site_root.path
if site_prefix.endswith("/"):
site_prefix = site_prefix[:-1]
if not parsed_url.path.startswith(parsed_site_root.path):
raise NotFound
urls = current_app.url_map.bind(get_settings().site_url)
path = parsed_url.path[len(site_prefix) :]
current_app.logger.debug("target path with no prefix %s", path)
endpoint, args = urls.match(path)
current_app.logger.debug("found match for target url %r: %r", endpoint, args)
except NotFound:
current_app.logger.warn("Webmention could not find target for %s", parsed_url.path)
return None
post = None
if endpoint == "views.post_by_path":
year = args.get("year")
month = args.get("month")
slug = args.get("slug")
post = Post.load_by_path("{}/{:02d}/{}".format(year, month, slug))
elif endpoint == "views.post_by_date":
post_type = args.get("post_type")
year = args.get("year")
month = args.get("month")
day = args.get("day")
index = args.get("index")
post = Post.load_by_date(post_type, year, month, day, index)
elif endpoint == "views.post_by_old_date":
post_type = args.get("post_type")
yymmdd = args.get("yymmdd")
year = int("20" + yymmdd[0:2])
month = int(yymmdd[2:4])
day = int(yymmdd[4:6])
post = Post.load_by_date(post_type, year, month, day, index)
elif endpoint == "views.post_by_id":
dbid = args.get("dbid")
post = Post.load_by_id(dbid)
if not post:
current_app.logger.warn("Webmention target points to unknown post: {}".format(args)),
return post
def find_target_post(target_url):
current_app.logger.debug("looking for target post at %s", target_url)
# follow redirects if necessary
redirect_url = urllib.request.urlopen(target_url).geturl()
if redirect_url and redirect_url != target_url:
current_app.logger.debug("followed redirection to %s", redirect_url)
target_url = redirect_url
parsed_url = urllib.parse.urlparse(target_url)
if not parsed_url:
current_app.logger.warn(
"Could not parse target_url of received webmention: %s",
target_url)
return None
try:
# FIXME this is a less-than-perfect fix for hosting from a
# subdirectory. The url_map may have some clever work-around.
parsed_site_root = urllib.parse.urlparse(get_settings().site_url)
site_prefix = parsed_site_root.path
if site_prefix.endswith('/'):
site_prefix = site_prefix[:-1]
if not parsed_url.path.startswith(parsed_site_root.path):
raise NotFound
urls = current_app.url_map.bind(get_settings().site_url)
path = parsed_url.path[len(site_prefix):]
current_app.logger.debug('target path with no prefix %s', path)
endpoint, args = urls.match(path)
current_app.logger.debug('found match for target url %r: %r', endpoint,
args)
except NotFound:
current_app.logger.warn('Webmention could not find target for %s',
parsed_url.path)
return None
post = None
if endpoint == 'views.post_by_path':
year = args.get('year')
month = args.get('month')
slug = args.get('slug')
post = Post.load_by_path('{}/{:02d}/{}'.format(year, month, slug))
elif endpoint == 'views.post_by_date':
post_type = args.get('post_type')
year = args.get('year')
month = args.get('month')
day = args.get('day')
index = args.get('index')
post = Post.load_by_date(post_type, year, month, day, index)
elif endpoint == 'views.post_by_old_date':
post_type = args.get('post_type')
yymmdd = args.get('yymmdd')
year = int('20' + yymmdd[0:2])
month = int(yymmdd[2:4])
day = int(yymmdd[4:6])
post = Post.load_by_date(post_type, year, month, day, index)
elif endpoint == 'views.post_by_id':
dbid = args.get('dbid')
post = Post.load_by_id(dbid)
if not post:
current_app.logger.warn(
"Webmention target points to unknown post: {}".format(args)),
return post
