def find_mention_item(self, items):
"""Returns the mf2 item that mentions (or replies to, likes, etc) the target.
May modify the items arg, e.g. may set or replace content.html or
content.value.
Args:
items: sequence of mf2 item dicts
Returns:
mf2 item dict or None
"""
# find target URL in source
for item in items:
props = item.setdefault('properties', {})
# find first non-empty content element
content = props.setdefault('content', [{}])[0]
text = content.get('html') or content.get('value')
for type in 'in-reply-to', 'like', 'like-of', 'repost', 'repost-of':
urls = [urlparse.urldefrag(u)[0] for u in
microformats2.get_string_urls(props.get(type, []))]
if self.any_target_in(urls):
break
else:
if text and self.any_target_in(text):
type = 'post'
url = first_value(props, 'url') or self.source_url
name = first_value(props, 'name') or first_value(props, 'summary')
text = content['html'] = ('mentioned this in %s.' %
util.pretty_link(url, text=name, max_length=280))
else:
type = None
if type:
# found the target!
rsvp = first_value(props, 'rsvp')
if rsvp:
self.entity.type = 'rsvp'
if not text:
content['value'] = 'RSVPed %s.' % rsvp
else:
self.entity.type = {'in-reply-to': 'comment',
'like-of': 'like',
'repost-of': 'repost',
}.get(type, type)
if not text:
content['value'] = {'comment': 'replied to this.',
'like': 'liked this.',
'repost': 'reposted this.',
}[self.entity.type]
return item
# check children in case this is eg an h-feed
found = self.find_mention_item(item.get('children', []))
if found:
return found
return None
def find_mention_item(self, data):
"""Returns the mf2 item that mentions (or replies to, likes, etc) the target.
May modify the data arg, e.g. may set or replace content.html or
content.value.
Args:
data: mf2 data dict
Returns:
mf2 item dict or None
"""
# find target URL in source
for item in data.get('items', []):
props = item.setdefault('properties', {})
# find first non-empty content element
content = props.setdefault('content', [{}])[0]
text = content.get('html') or content.get('value')
for type in 'in-reply-to', 'like', 'like-of', 'repost', 'repost-of':
urls = [
urlparse.urldefrag(u)[0]
for u in microformats2.get_string_urls(props.get(type, []))
]
if self.any_target_in(urls):
break
else:
if not text or not self.any_target_in(text):
continue
type = 'post'
url = first_value(props, 'url') or self.source_url
name = first_value(props, 'name') or first_value(
props, 'summary')
text = content['html'] = (
'mentioned this in %s.' %
util.pretty_link(url, text=name, max_length=280))
if type:
# found the target!
rsvp = first_value(props, 'rsvp')
if rsvp:
self.entity.type = 'rsvp'
if not text:
content['value'] = 'RSVPed %s.' % rsvp
else:
self.entity.type = {
'in-reply-to': 'comment',
'like-of': 'like',
'repost-of': 'repost',
}.get(type, type)
if not text:
content['value'] = {
'comment': 'replied to this.',
'like': 'liked this.',
'repost': 'reposted this.',
}[self.entity.type]
return item
return None
def find_mention_item(self, items):
"""Returns the mf2 item that mentions (or replies to, likes, etc) the target.
May modify the items arg, e.g. may set or replace content.html or
content.value.
Args:
items: sequence of mf2 item dicts
Returns:
mf2 item dict or None
"""
# find target URL in source
for item in items:
props = item.setdefault('properties', {})
# find first non-empty content element
content = props.setdefault('content', [{}])[0]
text = content.get('html') or content.get('value')
for type in 'in-reply-to', 'like', 'like-of', 'repost', 'repost-of':
urls = [urllib.parse.urldefrag(u)[0] for u in
microformats2.get_string_urls(props.get(type, []))]
if self.any_target_in(urls):
break
else:
if text and self.any_target_in(text):
type = 'post'
url = get_first(props, 'url') or self.source_url
name = get_first(props, 'name') or get_first(props, 'summary')
text = content['html'] = f'mentioned this in {util.pretty_link(url, text=name, max_length=280)}.'
else:
type = None
if type:
# found the target!
rsvp = get_first(props, 'rsvp')
if rsvp:
self.entity.type = 'rsvp'
if not text:
content['value'] = f'RSVPed {rsvp}.'
else:
self.entity.type = {'in-reply-to': 'comment',
'like-of': 'like',
'repost-of': 'repost',
}.get(type, type)
if not text:
content['value'] = {'comment': 'replied to this.',
'like': 'liked this.',
'repost': 'reposted this.',
}[self.entity.type]
return item
# check children in case this is eg an h-feed
found = self.find_mention_item(item.get('children', []))
if found:
return found
return None
def find_mention_item(self, data):
"""Returns the mf2 item that mentions (or replies to, likes, etc) the target.
May modify the data arg, e.g. may set or replace content.html or
content.value.
Args:
data: mf2 data dict
Returns:
mf2 item dict or None
"""
# find target URL in source
for item in data.get('items', []):
props = item.setdefault('properties', {})
# find first non-empty content element
content = props.setdefault('content', [{}])[0]
text = content.get('html') or content.get('value')
for type in 'in-reply-to', 'like', 'like-of', 'repost', 'repost-of':
urls = [urlparse.urldefrag(u)[0] for u in
microformats2.get_string_urls(props.get(type, []))]
if self.any_target_in(urls):
break
else:
if not text or not self.any_target_in(text):
continue
type = 'post'
url = first_value(props, 'url') or self.source_url
name = first_value(props, 'name') or first_value(props, 'summary')
text = content['html'] = ('mentioned this in %s.' %
util.pretty_link(url, text=name))
if type:
# found the target!
rsvp = first_value(props, 'rsvp')
if rsvp:
self.entity.type = 'rsvp'
if not text:
content['value'] = 'RSVPed %s.' % rsvp
else:
self.entity.type = {'in-reply-to': 'comment',
'like-of': 'like',
'repost-of': 'repost',
}.get(type, type)
if not text:
content['value'] = {'comment': 'replied to this.',
'like': 'liked this.',
'repost': 'reposted this.',
}[self.entity.type]
return item
return None
def test_get_string_urls(self):
for expected, objs in (
([], []),
(['asdf'], ['asdf']),
([], [{'type': 'h-ok'}]),
([], [{'properties': {'url': ['nope']}}]),
([], [{'type': ['h-ok'], 'properties': {'no': 'url'}}]),
(['good1', 'good2'], ['good1',
{'type': ['h-ok']},
{'type': ['h-ok'], 'properties': {'url': ['good2']}}]),
(['nested'], [{'type': ['h-ok'], 'properties': {'url': [
{'type': ['h-nested'], 'url': ['nested']}]}}]),
):
self.assertEquals(expected, microformats2.get_string_urls(objs))
def expand_target_urls(self, activity):
"""Expand the inReplyTo or object fields of an ActivityStreams object
by fetching the original and looking for rel=syndication URLs.
This method modifies the dict in place.
Args:
activity: an ActivityStreams dict of the activity being published
"""
for field in ('inReplyTo', 'object'):
# microformats2.json_to_object de-dupes, no need to do it here
objs = activity.get(field)
if not objs:
continue
if isinstance(objs, dict):
objs = [objs]
augmented = list(objs)
for obj in objs:
url = obj.get('url')
if not url:
continue
# get_webmention_target weeds out silos and non-HTML targets
# that we wouldn't want to download and parse
url, _, ok = util.get_webmention_target(url)
if not ok:
continue
# fetch_mf2 raises a fuss if it can't fetch a mf2 document;
# easier to just grab this ourselves than add a bunch of
# special-cases to that method
logging.debug('expand_target_urls fetching field=%s, url=%s',
field, url)
try:
resp = util.requests_get(url)
resp.raise_for_status()
data = util.mf2py_parse(resp.text, url)
except AssertionError:
raise # for unit tests
except BaseException:
# it's not a big deal if we can't fetch an in-reply-to url
logging.warning(
'expand_target_urls could not fetch field=%s, url=%s',
field,
url,
exc_info=True)
continue
synd_urls = data.get('rels', {}).get('syndication', [])
# look for syndication urls in the first h-entry
queue = collections.deque(data.get('items', []))
while queue:
item = queue.popleft()
item_types = set(item.get('type', []))
if 'h-feed' in item_types and 'h-entry' not in item_types:
queue.extend(item.get('children', []))
continue
# these can be urls or h-cites
synd_urls += microformats2.get_string_urls(
item.get('properties', {}).get('syndication', []))
logging.debug(
'expand_target_urls found rel=syndication for url=%s: %r',
url, synd_urls)
augmented += [{'url': u} for u in synd_urls]
activity[field] = augmented
def expand_target_urls(self, activity):
"""Expand the inReplyTo or object fields of an ActivityStreams object
by fetching the original and looking for rel=syndication URLs.
This method modifies the dict in place.
Args:
activity: an ActivityStreams dict of the activity being published
"""
for field in ('inReplyTo', 'object'):
# microformats2.json_to_object de-dupes, no need to do it here
objs = activity.get(field)
if not objs:
continue
if isinstance(objs, dict):
objs = [objs]
augmented = list(objs)
for obj in objs:
url = obj.get('url')
if not url:
continue
parsed = urllib.parse.urlparse(url)
# ignore home pages. https://github.com/snarfed/bridgy/issues/760
if parsed.path in ('', '/'):
continue
# get_webmention_target weeds out silos and non-HTML targets
# that we wouldn't want to download and parse
url, _, ok = util.get_webmention_target(url)
if not ok:
continue
logging.debug('expand_target_urls fetching field=%s, url=%s', field, url)
try:
mf2 = util.fetch_mf2(url)
except AssertionError:
raise # for unit tests
except BaseException:
# it's not a big deal if we can't fetch an in-reply-to url
logging.info('expand_target_urls could not fetch field=%s, url=%s',
field, url, stack_info=True)
continue
synd_urls = mf2['rels'].get('syndication', [])
# look for syndication urls in the first h-entry
queue = collections.deque(mf2.get('items', []))
while queue:
item = queue.popleft()
item_types = set(item.get('type', []))
if 'h-feed' in item_types and 'h-entry' not in item_types:
queue.extend(item.get('children', []))
continue
# these can be urls or h-cites
synd_urls += microformats2.get_string_urls(
item.get('properties', {}).get('syndication', []))
logging.debug('expand_target_urls found rel=syndication for url=%s: %r', url, synd_urls)
augmented += [{'url': u} for u in synd_urls]
activity[field] = augmented
def get(self, type, source_short_name, string_id, *ids):
source_cls = models.sources.get(source_short_name)
if not source_cls:
self.abort(
400, "Source type '%s' not found. Known sources: %s" %
(source_short_name, filter(None, models.sources.keys())))
self.source = source_cls.get_by_id(string_id)
if not self.source:
self.abort(
400, 'Source %s %s not found' % (source_short_name, string_id))
elif (self.source.status == 'disabled'
or ('listen' not in self.source.features
and 'email' not in self.source.features)):
self.abort(
400, 'Source %s is disabled for backfeed' %
self.source.bridgy_path())
format = self.request.get('format', 'html')
if format not in ('html', 'json'):
self.abort(400,
'Invalid format %s, expected html or json' % format)
for id in ids:
if not self.VALID_ID.match(id):
self.abort(404, 'Invalid id %s' % id)
label = '%s:%s %s %s' % (source_short_name, string_id, type, ids)
cache_key = 'H ' + label
obj = memcache.get(cache_key)
if obj and not appengine_config.DEBUG:
logging.info('Using cached object for %s', label)
else:
logging.info('Fetching %s', label)
try:
obj = self.get_item(*ids)
except models.DisableSource as e:
self.abort(
401,
"Bridgy's access to your account has expired. Please visit https://brid.gy/ to refresh it!"
)
except ValueError as e:
self.abort(400,
'%s error:\n%s' % (self.source.GR_CLASS.NAME, e))
except Exception as e:
# pass through all API HTTP errors if we can identify them
code, body = util.interpret_http_exception(e)
# temporary, trying to debug a flaky test failure
# eg https://circleci.com/gh/snarfed/bridgy/769
if code:
self.response.status_int = int(code)
self.response.headers['Content-Type'] = 'text/plain'
self.response.write('%s error:\n%s' %
(self.source.GR_CLASS.NAME, body))
return
else:
raise
memcache.set(cache_key, obj, time=CACHE_TIME)
if not obj:
self.abort(404, label)
if self.source.is_blocked(obj):
self.abort(410, 'That user is currently blocked')
# use https for profile pictures so we don't cause SSL mixed mode errors
# when serving over https.
author = obj.get('author', {})
image = author.get('image', {})
url = image.get('url')
if url:
image['url'] = util.update_scheme(url, self)
mf2_json = microformats2.object_to_json(obj, synthesize_content=False)
# try to include the author's silo profile url
author = first_props(mf2_json.get('properties', {})).get('author', {})
author_uid = first_props(author.get('properties', {})).get('uid', '')
if author_uid:
parsed = util.parse_tag_uri(author_uid)
if parsed:
silo_url = self.source.gr_source.user_url(parsed[1])
urls = author.get('properties', {}).setdefault('url', [])
if silo_url not in microformats2.get_string_urls(urls):
urls.append(silo_url)
# write the response!
self.response.headers['Access-Control-Allow-Origin'] = '*'
if format == 'html':
self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
url = obj.get('url', '')
self.response.out.write(
TEMPLATE.substitute({
'refresh':
(('<meta http-equiv="refresh" content="0;url=%s">' %
url) if url else ''),
'url':
url,
'body':
microformats2.json_to_html(mf2_json),
'title':
self.get_title(obj),
}))
elif format == 'json':
self.response.headers[
'Content-Type'] = 'application/json; charset=utf-8'
self.response.out.write(json.dumps(mf2_json, indent=2))
def get(self, type, source_short_name, string_id, *ids):
source_cls = models.sources.get(source_short_name)
if not source_cls:
self.abort(400, "Source type '%s' not found. Known sources: %s" %
(source_short_name, filter(None, models.sources.keys())))
self.source = source_cls.get_by_id(string_id)
if not self.source:
self.abort(400, 'Source %s %s not found' % (source_short_name, string_id))
elif self.source.status == 'disabled' or 'listen' not in self.source.features:
self.abort(400, 'Source %s is disabled for backfeed' % self.source.bridgy_path())
format = self.request.get('format', 'html')
if format not in ('html', 'json'):
self.abort(400, 'Invalid format %s, expected html or json' % format)
for id in ids:
if not self.VALID_ID.match(id):
self.abort(404, 'Invalid id %s' % id)
label = '%s:%s %s %s' % (source_short_name, string_id, type, ids)
cache_key = 'H ' + label
obj = memcache.get(cache_key)
if obj:
logging.info('Using cached object for %s', label)
else:
logging.info('Fetching %s', label)
try:
obj = self.get_item(*ids)
except models.DisableSource as e:
self.abort(401, "Bridgy's access to your account has expired. Please visit https://brid.gy/ to refresh it!")
except Exception as e:
# pass through all API HTTP errors if we can identify them
code, body = util.interpret_http_exception(e)
if not code and util.is_connection_failure(e):
code = 503
body = str(e)
if code:
self.response.status_int = int(code)
self.response.headers['Content-Type'] = 'text/plain'
self.response.write('%s error:\n%s' % (self.source.GR_CLASS.NAME, body))
return
else:
raise
memcache.set(cache_key, obj, time=CACHE_TIME)
if not obj:
self.abort(404, label)
# use https for profile pictures so we don't cause SSL mixed mode errors
# when serving over https.
author = obj.get('author', {})
image = author.get('image', {})
url = image.get('url')
if url:
image['url'] = util.update_scheme(url, self)
mf2_json = microformats2.object_to_json(obj, synthesize_content=False)
# try to include the author's silo profile url
author = first_props(mf2_json.get('properties', {})).get('author', {})
author_uid = first_props(author.get('properties', {})).get('uid', '')
if author_uid:
parsed = util.parse_tag_uri(author_uid)
if parsed:
silo_url = self.source.gr_source.user_url(parsed[1])
urls = author.get('properties', {}).setdefault('url', [])
if silo_url not in microformats2.get_string_urls(urls):
urls.append(silo_url)
# write the response!
self.response.headers['Access-Control-Allow-Origin'] = '*'
if format == 'html':
self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
self.response.out.write(TEMPLATE.substitute({
'url': obj.get('url', ''),
'body': microformats2.json_to_html(mf2_json),
'title': self.get_title(obj),
}))
elif format == 'json':
self.response.headers['Content-Type'] = 'application/json; charset=utf-8'
self.response.out.write(json.dumps(mf2_json, indent=2))
def expand_target_urls(self, activity):
"""Expand the inReplyTo or object fields of an ActivityStreams object
by fetching the original and looking for rel=syndication URLs.
This method modifies the dict in place.
Args:
activity: an ActivityStreams dict of the activity being published
"""
for field in ('inReplyTo', 'object'):
# microformats2.json_to_object de-dupes, no need to do it here
objs = activity.get(field)
if not objs:
continue
if isinstance(objs, dict):
objs = [objs]
augmented = list(objs)
for obj in objs:
url = obj.get('url')
if not url:
continue
# get_webmention_target weeds out silos and non-HTML targets
# that we wouldn't want to download and parse
url, _, ok = util.get_webmention_target(url)
if not ok:
continue
# fetch_mf2 raises a fuss if it can't fetch a mf2 document;
# easier to just grab this ourselves than add a bunch of
# special-cases to that method
logging.debug('expand_target_urls fetching field=%s, url=%s', field, url)
try:
resp = util.requests_get(url)
resp.raise_for_status()
data = mf2py.Parser(url=url, doc=resp.text).to_dict()
except AssertionError:
raise # for unit tests
except BaseException:
# it's not a big deal if we can't fetch an in-reply-to url
logging.warning('expand_target_urls could not fetch field=%s, url=%s',
field, url, exc_info=True)
continue
synd_urls = data.get('rels', {}).get('syndication', [])
# look for syndication urls in the first h-entry
queue = collections.deque(data.get('items', []))
while queue:
item = queue.popleft()
item_types = set(item.get('type', []))
if 'h-feed' in item_types and 'h-entry' not in item_types:
queue.extend(item.get('children', []))
continue
# these can be urls or h-cites
synd_urls += microformats2.get_string_urls(
item.get('properties', {}).get('syndication', []))
logging.debug('expand_target_urls found rel=syndication for url=%s: %r', url, synd_urls)
augmented += [{'url': u} for u in synd_urls]
activity[field] = augmented
class ItemHandler(webapp2.RequestHandler):
"""Fetches a post, repost, like, or comment and serves it as mf2 HTML or JSON.
"""
handle_exception = handlers.handle_exception
source = None
VALID_ID = re.compile(r'^[\w.+:@-]+$')
def head(self, *args):
"""Return an empty 200 with no caching directives."""
def get_item(self, id):
"""Fetches and returns an object from the given source.
To be implemented by subclasses.
Args:
source: bridgy.Source subclass
id: string
Returns: ActivityStreams object dict
"""
raise NotImplementedError()
def get_title(self, obj):
"""Returns the string to be used in the <title> tag.
Args:
obj: ActivityStreams object
"""
return obj.get('title') or obj.get('content') or 'Bridgy Response'
def get_post(self, id, **kwargs):
"""Fetch a post.
Args:
id: string, site-specific post id
is_event: bool
kwargs: passed through to get_activities
Returns: ActivityStreams object dict
"""
try:
posts = self.source.get_activities(activity_id=id,
user_id=self.source.key.id(),
**kwargs)
if posts:
return posts[0]
logging.warning('Source post %s not found', id)
except Exception as e:
util.interpret_http_exception(e)
def get(self, type, source_short_name, string_id, *ids):
source_cls = models.sources.get(source_short_name)
if not source_cls:
self.abort(
400, "Source type '%s' not found. Known sources: %s" %
(source_short_name, filter(None, models.sources.keys())))
self.source = source_cls.get_by_id(string_id)
if not self.source:
self.abort(
400, 'Source %s %s not found' % (source_short_name, string_id))
format = self.request.get('format', 'html')
if format not in ('html', 'json'):
self.abort(400,
'Invalid format %s, expected html or json' % format)
for id in ids:
if not self.VALID_ID.match(id):
self.abort(404, 'Invalid id %s' % id)
label = '%s:%s %s %s' % (source_short_name, string_id, type, ids)
cache_key = 'H ' + label
obj = memcache.get(cache_key)
if obj:
logging.info('Using cached object for %s', label)
else:
logging.info('Fetching %s', label)
try:
obj = self.get_item(*ids)
except Exception, e:
# pass through all API HTTP errors if we can identify them
code, body = util.interpret_http_exception(e)
if not code and util.is_connection_failure(e):
code = 503
body = str(e)
if code:
self.response.status_int = int(code)
self.response.headers['Content-Type'] = 'text/plain'
self.response.write('%s error:\n%s' %
(self.source.GR_CLASS.NAME, body))
return
else:
raise
memcache.set(cache_key, obj, time=CACHE_TIME)
if not obj:
self.abort(404, label)
# use https for profile pictures so we don't cause SSL mixed mode errors
# when serving over https.
author = obj.get('author', {})
image = author.get('image', {})
url = image.get('url')
if url:
image['url'] = util.update_scheme(url, self)
mf2_json = microformats2.object_to_json(obj, synthesize_content=False)
# try to include the author's silo profile url
author = first_props(mf2_json.get('properties', {})).get('author', {})
author_uid = first_props(author.get('properties', {})).get('uid', '')
if author_uid:
parsed = util.parse_tag_uri(author_uid)
if parsed:
silo_url = self.source.gr_source.user_url(parsed[1])
urls = author.get('properties', {}).setdefault('url', [])
if silo_url not in microformats2.get_string_urls(urls):
urls.append(silo_url)
# write the response!
self.response.headers['Access-Control-Allow-Origin'] = '*'
if format == 'html':
self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
self.response.out.write(
TEMPLATE.substitute({
'url':
obj.get('url', ''),
'body':
microformats2.json_to_html(mf2_json),
'title':
self.get_title(obj),
}))
elif format == 'json':
self.response.headers[
'Content-Type'] = 'application/json; charset=utf-8'
self.response.out.write(json.dumps(mf2_json, indent=2))
image = author.get('image', {})
url = image.get('url')
if url:
image['url'] = util.update_scheme(url, self)
mf2_json = microformats2.object_to_json(obj)
# try to include the author's silo profile url
author = first_props(mf2_json.get('properties', {})).get('author', {})
author_uid = first_props(author.get('properties', {})).get('uid', '')
if author_uid:
parsed = util.parse_tag_uri(author_uid)
if parsed:
silo_url = self.source.gr_source.user_url(parsed[1])
urls = author.get('properties', {}).setdefault('url', [])
if silo_url not in microformats2.get_string_urls(urls):
urls.append(silo_url)
# write the response!
self.response.headers['Access-Control-Allow-Origin'] = '*'
if format == 'html':
self.response.headers['Content-Type'] = 'text/html; charset=utf-8'
self.response.out.write(TEMPLATE.substitute({
'url': obj.get('url', ''),
'body': microformats2.json_to_html(mf2_json),
'title': obj.get('title', obj.get('content', 'Bridgy Response')),
}))
elif format == 'json':
self.response.headers['Content-Type'] = 'application/json; charset=utf-8'
self.response.out.write(json.dumps(mf2_json, indent=2))
def dispatch_request(self, site, key_id, **kwargs):
"""Handle HTTP request."""
source_cls = models.sources.get(site)
if not source_cls:
error(
f"Source type '{site}' not found. Known sources: {[s for s in models.sources.keys() if s]}"
)
self.source = source_cls.get_by_id(key_id)
if not self.source:
error(f'Source {site} {key_id} not found')
elif (self.source.status == 'disabled'
or 'listen' not in self.source.features):
error(
f'Source {self.source.bridgy_path()} is disabled for backfeed')
format = request.values.get('format', 'html')
if format not in ('html', 'json'):
error(f'Invalid format {format}, expected html or json')
for id in kwargs.values():
if not self.VALID_ID.match(id):
error(f'Invalid id {id}', 404)
try:
obj = self.get_item(**kwargs)
except models.DisableSource:
error(
"Bridgy's access to your account has expired. Please visit https://brid.gy/ to refresh it!",
401)
except ValueError as e:
error(f'{self.source.GR_CLASS.NAME} error: {e}')
if not obj:
error(f'Not found: {site}:{key_id} {kwargs}', 404)
if self.source.is_blocked(obj):
error('That user is currently blocked', 410)
# use https for profile pictures so we don't cause SSL mixed mode errors
# when serving over https.
author = obj.get('author', {})
image = author.get('image', {})
url = image.get('url')
if url:
image['url'] = util.update_scheme(url, request)
mf2_json = microformats2.object_to_json(obj, synthesize_content=False)
# try to include the author's silo profile url
author = first_props(mf2_json.get('properties', {})).get('author', {})
author_uid = first_props(author.get('properties', {})).get('uid', '')
if author_uid:
parsed = util.parse_tag_uri(author_uid)
if parsed:
urls = author.get('properties', {}).setdefault('url', [])
try:
silo_url = self.source.gr_source.user_url(parsed[1])
if silo_url not in microformats2.get_string_urls(urls):
urls.append(silo_url)
except NotImplementedError: # from gr_source.user_url()
pass
# write the response!
if format == 'html':
url = obj.get('url', '')
return TEMPLATE.substitute({
'refresh':
(f'<meta http-equiv="refresh" content="0;url={url}">'
if url else ''),
'url':
url,
'body':
microformats2.json_to_html(mf2_json),
'title':
obj.get('title') or obj.get('content') or 'Bridgy Response',
})
elif format == 'json':
return mf2_json
