def resolve_profile_url(url, resolve=True):
"""Resolves a profile URL to be added to a source.
Args:
url: string
resolve: boolean, whether to make HTTP requests to follow redirects, etc.
Returns: string, resolved URL, or None
"""
final, _, ok = util.get_webmention_target(url, resolve=resolve)
if not ok:
return None
final = final.lower()
if util.schemeless(final).startswith(util.schemeless(url.lower())):
# redirected to a deeper path. use the original higher level URL. #652
final = url
# If final has a path segment check if root has a matching rel=me.
match = re.match(r'^(https?://[^/]+)/.+', final)
if match and resolve:
root = match.group(1)
try:
resp = util.requests_get(root)
resp.raise_for_status()
data = util.mf2py_parse(resp.text, root)
me_urls = data.get('rels', {}).get('me', [])
if final in me_urls:
final = root
except requests.RequestException:
logging.warning("Couldn't fetch %s, preserving path in %s",
root, final, exc_info=True)
return final
def resolve_profile_url(url, resolve=True):
"""Resolves a profile URL to be added to a source.
Args:
url: string
resolve: boolean, whether to make HTTP requests to follow redirects, etc.
Returns: string, resolved URL, or None
"""
final, _, ok = util.get_webmention_target(url, resolve=resolve)
if not ok:
return None
final = final.lower()
if util.schemeless(final).startswith(util.schemeless(url.lower())):
# redirected to a deeper path. use the original higher level URL. #652
final = url
# If final has a path segment check if root has a matching rel=me.
match = re.match(r'^(https?://[^/]+)/.+', final)
if match and resolve:
root = match.group(1)
try:
resp = util.requests_get(root)
resp.raise_for_status()
data = util.mf2py_parse(resp.text, root)
me_urls = data.get('rels', {}).get('me', [])
if final in me_urls:
final = root
except requests.RequestException:
logging.warning("Couldn't fetch %s, preserving path in %s",
root, final, exc_info=True)
return final
def _find_source(self, source_cls, url, domain):
"""Returns the source that should publish a post URL, or None if not found.
Args:
source_cls: :class:`models.Source` subclass for this silo
url: string
domain: string, url's domain
Returns: :class:`models.Source`
"""
domain = domain.lower()
sources = source_cls.query().filter(
source_cls.domains == domain).fetch(100)
if not sources:
self.error(
"Could not find <b>%(type)s</b> account for <b>%(domain)s</b>. Check that your %(type)s profile has %(domain)s in its <em>web site</em> or <em>link</em> field, then try signing up again."
% {
'type': source_cls.GR_CLASS.NAME,
'domain': domain
})
return
current_url = ''
sources_ready = []
best_match = None
for source in sources:
logging.info('Source: %s , features %s, status %s, poll status %s',
source.bridgy_url(self), source.features,
source.status, source.poll_status)
if source.status != 'disabled' and 'publish' in source.features:
# use a source that has a domain_url matching the url provided,
# including path. find the source with the closest match.
sources_ready.append(source)
schemeless_url = util.schemeless(url.lower()).strip('/')
for domain_url in source.domain_urls:
schemeless_domain_url = util.schemeless(
domain_url.lower()).strip('/')
if (schemeless_url.startswith(schemeless_domain_url)
and len(domain_url) > len(current_url)):
current_url = domain_url
best_match = source
if best_match:
return best_match
elif sources_ready:
self.error(
'No account found that matches %s. Check that <a href="%s/about#profile-link">the web site URL is in your silo profile</a>, then <a href="%s/">sign up again</a>.'
% (self.request.host_url, util.pretty_link(url),
self.request.host_url))
else:
self.error(
'Publish is not enabled for your account. <a href="%s/">Try signing up!</a>'
% self.request.host_url)
def test_schemeless(self):
for expected, url in (
('', ''),
('/path', '/path'),
('//foo', '//foo'),
('//foo', 'http://foo'),
('//foo.bar/baz', 'http://foo.bar/baz'),
('//foo.bar/baz', 'https://foo.bar/baz'),
):
self.assertEqual(expected, util.schemeless(url))
self.assertEqual('foo', util.schemeless('http://foo/', slashes=False))
self.assertEqual('foo/bar', util.schemeless('http://foo/bar/', slashes=False))
def _urls_and_domains(self, auth_entity, user_url):
"""Returns this user's valid (not webmention-blacklisted) URLs and domains.
Converts the auth entity's user_json to an ActivityStreams actor and uses
its 'urls' and 'url' fields. May be overridden by subclasses.
Args:
auth_entity: :class:`oauth_dropins.models.BaseAuth`
user_url: string, optional URL passed in when authorizing
Returns:
([string url, ...], [string domain, ...])
"""
actor = self.gr_source.user_to_actor(json.loads(auth_entity.user_json))
logging.debug('Converted to actor: %s', json.dumps(actor, indent=2))
candidates = util.trim_nulls(
util.uniquify([user_url] + microformats2.object_urls(actor)))
if len(candidates) > MAX_AUTHOR_URLS:
logging.info(
'Too many profile links! Only resolving the first %s: %s',
MAX_AUTHOR_URLS, candidates)
urls = []
for i, url in enumerate(candidates):
final, domain, ok = util.get_webmention_target(
url, resolve=i < MAX_AUTHOR_URLS)
if ok:
final = final.lower()
if util.schemeless(final).startswith(
util.schemeless(url.lower())):
# redirected to a deeper path. use the original higher level URL. #652
final = url
# If final has a path segment check if root has a matching rel=me.
match = re.match(r'^(https?://[^/]+)/.+', final)
if match and i < MAX_AUTHOR_URLS:
root = match.group(1)
resp = util.requests_get(root)
resp.raise_for_status()
data = util.mf2py_parse(resp.text, root)
me_urls = data.get('rels', {}).get('me', [])
if final in me_urls:
final = root
urls.append(final)
urls = util.dedupe_urls(urls) # normalizes domains to lower case
domains = [util.domain_from_link(url) for url in urls]
return urls, domains
def _find_source(self, source_cls, url, domain):
"""Returns the source that should publish a post URL, or None if not found.
Args:
source_cls: :class:`models.Source` subclass for this silo
url: string
domain: string, url's domain
Returns: :class:`models.Source`
"""
domain = domain.lower()
if util.domain_or_parent_in(domain, util.DOMAINS):
return self.error(
f'Source URL should be on your own site, not {domain}')
sources = source_cls.query().filter(
source_cls.domains == domain).fetch(100)
if not sources:
msg = f'Could not find <b>{source_cls.GR_CLASS.NAME}</b> account for <b>{domain}</b>. Check that your {source_cls.GR_CLASS.NAME} profile has {domain} in its <em>web site</em> or <em>link</em> field, then try signing up again.'
return self.error(msg, html=msg)
current_url = ''
sources_ready = []
best_match = None
for source in sources:
logging.info(
f'Source: {source.bridgy_url()} , features {source.features}, status {source.status}, poll status {source.poll_status}'
)
if source.status != 'disabled' and 'publish' in source.features:
# use a source that has a domain_url matching the url provided,
# including path. find the source with the closest match.
sources_ready.append(source)
schemeless_url = util.schemeless(url.lower()).strip('/')
for domain_url in source.domain_urls:
schemeless_domain_url = util.schemeless(
domain_url.lower()).strip('/')
if (schemeless_url.startswith(schemeless_domain_url)
and len(domain_url) > len(current_url)):
current_url = domain_url
best_match = source
if best_match:
return best_match
if sources_ready:
msg = f'No account found that matches {util.pretty_link(url)}. Check that <a href="{util.host_url("/about#profile-link")}">the web site URL is in your silo profile</a>, then <a href="{request.host_url}">sign up again</a>.'
else:
msg = f'Publish is not enabled for your account. <a href="{request.host_url}">Try signing up!</a>'
self.error(msg, html=msg)
def search_for_links(self):
"""Searches for activities with links to any of this source's web sites.
Twitter search supports OR:
https://dev.twitter.com/rest/public/search
...but it only returns complete(ish) results if we strip scheme from URLs,
ie search for example.com instead of http://example.com/, and that also
returns false positivies, so we check that the returned tweets actually have
matching links. https://github.com/snarfed/bridgy/issues/565
Returns:
sequence of ActivityStreams activity dicts
"""
urls = set(
util.schemeless(util.fragmentless(url), slashes=False)
for url in self.domain_urls
if not util.in_webmention_blacklist(util.domain_from_link(url)))
if not urls:
return []
query = ' OR '.join(urls)
candidates = self.get_activities(search_query=query,
group_id=gr_source.SEARCH,
etag=self.last_activities_etag,
fetch_replies=False,
fetch_likes=False,
fetch_shares=False,
count=50)
# filter out retweets and search false positives that don't actually link to us
results = []
for candidate in candidates:
if candidate.get('verb') == 'share':
continue
obj = candidate['object']
tags = obj.get('tags', [])
atts = obj.get('attachments', [])
for url in urls:
if (any(
util.schemeless(t.get('url', ''),
slashes=False).startswith(url)
for t in tags + atts)):
results.append(candidate)
break
return results
def _urls_and_domains(self, auth_entity, user_url):
"""Returns this user's valid (not webmention-blacklisted) URLs and domains.
Converts the auth entity's user_json to an ActivityStreams actor and uses
its 'urls' and 'url' fields. May be overridden by subclasses.
Args:
auth_entity: :class:`oauth_dropins.models.BaseAuth`
user_url: string, optional URL passed in when authorizing
Returns:
([string url, ...], [string domain, ...])
"""
actor = self.gr_source.user_to_actor(json.loads(auth_entity.user_json))
logging.debug('Converted to actor: %s', json.dumps(actor, indent=2))
candidates = util.trim_nulls(util.uniquify(
[user_url] + microformats2.object_urls(actor)))
if len(candidates) > MAX_AUTHOR_URLS:
logging.info('Too many profile links! Only resolving the first %s: %s',
MAX_AUTHOR_URLS, candidates)
urls = []
for i, url in enumerate(candidates):
final, domain, ok = util.get_webmention_target(url, resolve=i < MAX_AUTHOR_URLS)
if ok:
final = final.lower()
if util.schemeless(final).startswith(util.schemeless(url.lower())):
# redirected to a deeper path. use the original higher level URL. #652
final = url
# If final has a path segment check if root has a matching rel=me.
match = re.match(r'^(https?://[^/]+)/.+', final)
if match and i < MAX_AUTHOR_URLS:
root = match.group(1)
resp = util.requests_get(root)
resp.raise_for_status()
data = util.mf2py_parse(resp.text, root)
me_urls = data.get('rels', {}).get('me', [])
if final in me_urls:
final = root
urls.append(final)
urls = util.dedupe_urls(urls) # normalizes domains to lower case
domains = [util.domain_from_link(url) for url in urls]
return urls, domains
def _find_source(self, source_cls, url, domain):
"""Returns the source that should publish a post URL, or None if not found.
Args:
source_cls: :class:`models.Source` subclass for this silo
url: string
domain: string, url's domain
Returns: :class:`models.Source`
"""
domain = domain.lower()
sources = source_cls.query().filter(source_cls.domains == domain).fetch(100)
if not sources:
self.error("Could not find <b>%(type)s</b> account for <b>%(domain)s</b>. Check that your %(type)s profile has %(domain)s in its <em>web site</em> or <em>link</em> field, then try signing up again." %
{'type': source_cls.GR_CLASS.NAME, 'domain': domain})
return
current_url = ''
sources_ready = []
best_match = None
for source in sources:
logging.info('Source: %s , features %s, status %s, poll status %s',
source.bridgy_url(self), source.features, source.status,
source.poll_status)
if source.status != 'disabled' and 'publish' in source.features:
# use a source that has a domain_url matching the url provided,
# including path. find the source with the closest match.
sources_ready.append(source)
schemeless_url = util.schemeless(url.lower()).strip('/')
for domain_url in source.domain_urls:
schemeless_domain_url = util.schemeless(domain_url.lower()).strip('/')
if (schemeless_url.startswith(schemeless_domain_url) and
len(domain_url) > len(current_url)):
current_url = domain_url
best_match = source
if best_match:
return best_match
elif sources_ready:
self.error(
'No account found that matches %s. Check that <a href="/about#profile-link">the web site URL is in your silo profile</a>, then <a href="/">sign up again</a>.' %
util.pretty_link(url))
else:
self.error('Publish is not enabled for your account. <a href="/">Try signing up!</a>')
def test_schemeless(self):
for expected, url in (
('', util.schemeless('')),
('/path', util.schemeless('/path')),
('//foo', util.schemeless('//foo')),
('//foo', util.schemeless('http://foo')),
('//foo.bar/baz', util.schemeless('http://foo.bar/baz')),
('//foo.bar/baz', util.schemeless('https://foo.bar/baz'))):
self.assertEqual(expected, util.schemeless(url))
def search_for_links(self):
"""Searches for activities with links to any of this source's web sites.
Returns:
sequence of ActivityStreams activity dicts
"""
urls = {util.schemeless(util.fragmentless(url), slashes=False)
for url in self.domain_urls
if not util.in_webmention_blocklist(util.domain_from_link(url))}
if not urls:
return []
# Search syntax: https://www.reddit.com/wiki/search
url_query = ' OR '.join(f'site:"{u}" OR selftext:"{u}"' for u in urls)
return self.get_activities(
search_query=url_query, group_id=gr_source.SEARCH, etag=self.last_activities_etag,
fetch_replies=False, fetch_likes=False, fetch_shares=False, count=50)
def search_for_links(self):
"""Searches for activities with links to any of this source's web sites.
Returns:
sequence of ActivityStreams activity dicts
"""
urls = set(
util.schemeless(util.fragmentless(url), slashes=False)
for url in self.domain_urls
if not util.in_webmention_blocklist(util.domain_from_link(url)))
if not urls:
return []
url_query = ' OR '.join([f'"{u}"' for u in urls])
return self.get_activities(search_query=url_query,
group_id=gr_source.SEARCH,
etag=self.last_activities_etag,
fetch_replies=True,
fetch_likes=False,
fetch_shares=False,
count=50)
def search_for_links(self):
"""Searches for activities with links to any of this source's web sites.
Twitter search supports OR:
https://dev.twitter.com/rest/public/search
...but it only returns complete(ish) results if we strip scheme from URLs,
ie search for example.com instead of http://example.com/, and that also
returns false positivies, so we check that the returned tweets actually have
matching links. https://github.com/snarfed/bridgy/issues/565
Returns:
sequence of ActivityStreams activity dicts
"""
urls = set(util.fragmentless(url) for url in self.domain_urls
if not util.in_webmention_blacklist(util.domain_from_link(url)))
if not urls:
return []
query = ' OR '.join('"%s"' % util.schemeless(url, slashes=False) for url in urls)
candidates = self.get_activities(
search_query=query, group_id=gr_source.SEARCH, etag=self.last_activities_etag,
fetch_replies=False, fetch_likes=False, fetch_shares=False, count=50)
# filter out retweets and search false positives that don't actually link to us
results = []
for candidate in candidates:
if candidate.get('verb') == 'share':
continue
obj = candidate['object']
tags = obj.get('tags', [])
atts = obj.get('attachments', [])
for url in urls:
if (url in obj.get('content', '') or
any(t.get('url', '').startswith(url) for t in tags + atts)):
id = candidate['id']
results.append(candidate)
break
return results
def _run(self):
"""Returns CreationResult on success, None otherwise."""
logging.info('Params: %s', self.request.params.items())
assert self.PREVIEW in (True, False)
# parse and validate target URL
try:
parsed = urlparse.urlparse(self.target_url())
except BaseException:
return self.error('Could not parse target URL %s' % self.target_url())
domain = parsed.netloc
path_parts = parsed.path.rsplit('/', 1)
source_cls = SOURCE_NAMES.get(path_parts[-1])
if (domain not in ('brid.gy', 'www.brid.gy', 'localhost:8080') or
len(path_parts) != 2 or path_parts[0] != '/publish' or not source_cls):
return self.error(
'Target must be brid.gy/publish/{facebook,flickr,twitter,instagram}')
elif source_cls == GooglePlusPage:
return self.error('Sorry, %s is not yet supported.' %
source_cls.GR_CLASS.NAME)
# resolve source URL
url, domain, ok = util.get_webmention_target(
self.source_url(), replace_test_domains=False)
# show nice error message if they're trying to publish a silo post
if domain in SOURCE_DOMAINS:
return self.error(
"Looks like that's a %s URL. Try one from your web site instead!" %
SOURCE_DOMAINS[domain].GR_CLASS.NAME)
elif not ok:
return self.error('Unsupported source URL %s' % url)
elif not domain:
return self.error('Could not parse source URL %s' % url)
# look up source by domain
domain = domain.lower()
sources = source_cls.query().filter(source_cls.domains == domain).fetch(100)
if not sources:
return self.error("Could not find <b>%(type)s</b> account for <b>%(domain)s</b>. Check that your %(type)s profile has %(domain)s in its <em>web site</em> or <em>link</em> field, then try signing up again." %
{'type': source_cls.GR_CLASS.NAME, 'domain': domain})
current_url = ''
for source in sources:
logging.info('Source: %s , features %s, status %s, poll status %s',
source.bridgy_url(self), source.features, source.status,
source.poll_status)
if source.status != 'disabled' and 'publish' in source.features:
# use a source that has a domain_url matching the url provided.
# look through each source to find the one with the closest match.
schemeless_url = util.schemeless(url.lower()).strip('/')
for domain_url in source.domain_urls:
schemeless_domain_url = util.schemeless(domain_url.lower()).strip('/')
if (schemeless_url.startswith(schemeless_domain_url) and
len(domain_url) > len(current_url)):
self.source = source
current_url = domain_url
if not self.source:
return self.error(
'Publish is not enabled for your account. Please visit https://brid.gy and sign up!')
content_param = 'bridgy_%s_content' % self.source.SHORT_NAME
if content_param in self.request.params:
return self.error('The %s parameter is not supported' % content_param)
# show nice error message if they're trying to publish their home page
for domain_url in self.source.domain_urls:
domain_url_parts = urlparse.urlparse(domain_url)
for source_url in url, self.source_url():
parts = urlparse.urlparse(source_url)
if (parts.netloc == domain_url_parts.netloc and
parts.path.strip('/') == domain_url_parts.path.strip('/') and
not parts.query):
return self.error(
"Looks like that's your home page. Try one of your posts instead!")
# done with the sanity checks, ready to fetch the source url. create the
# Publish entity so we can store the result.
entity = self.get_or_add_publish_entity(url)
if (entity.status == 'complete' and entity.type != 'preview' and
not self.PREVIEW and not appengine_config.DEBUG):
return self.error("Sorry, you've already published that page, and Bridgy Publish doesn't yet support updating or deleting existing posts. Details: https://github.com/snarfed/bridgy/issues/84")
self.entity = entity
# fetch source page
resp = self.fetch_mf2(url)
if not resp:
return
self.fetched, data = resp
# find rel-shortlink, if any
# http://microformats.org/wiki/rel-shortlink
# https://github.com/snarfed/bridgy/issues/173
soup = util.beautifulsoup_parse(self.fetched.text)
shortlinks = (soup.find_all('link', rel='shortlink') +
soup.find_all('a', rel='shortlink') +
soup.find_all('a', class_='shortlink'))
if shortlinks:
self.shortlink = shortlinks[0]['href']
# loop through each item and its children and try to preview/create it. if
# it fails, try the next one. break after the first one that works.
result = None
types = set()
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
elif not item_types & PUBLISHABLE_TYPES:
types = types.union(item_types)
continue
try:
result = self.attempt_single_item(item)
if self.entity.published:
break
if result.abort:
if result.error_plain:
self.error(result.error_plain, html=result.error_html, data=item)
return
# try the next item
for embedded in ('rsvp', 'invitee', 'repost', 'repost-of', 'like',
'like-of', 'in-reply-to'):
if embedded in item.get('properties', []):
item_types.add(embedded)
logging.info(
'Object type(s) %s not supported; error=%s; trying next.',
item_types, result.error_plain)
types = types.union(item_types)
queue.extend(item.get('children', []))
except BaseException, e:
code, body = util.interpret_http_exception(e)
if not code:
raise
msg = 'Error from %s API or your site: %s %s' % (
self.source.GR_CLASS.NAME, body or '', e)
return self.error(msg, status=code, mail=code not in ('502', '503', '504'))
def _run(self):
"""Returns CreationResult on success, None otherwise."""
logging.info('Params: %s', self.request.params.items())
assert self.PREVIEW in (True, False)
# parse and validate target URL
try:
parsed = urlparse.urlparse(self.target_url())
except BaseException:
return self.error('Could not parse target URL %s' % self.target_url())
domain = parsed.netloc
path_parts = parsed.path.rsplit('/', 1)
source_cls = SOURCE_NAMES.get(path_parts[-1])
if (domain not in ('brid.gy', 'www.brid.gy', 'localhost:8080') or
len(path_parts) != 2 or path_parts[0] != '/publish' or not source_cls):
return self.error(
'Target must be brid.gy/publish/{facebook,flickr,twitter,instagram}')
elif source_cls == GooglePlusPage:
return self.error('Sorry, %s is not yet supported.' %
source_cls.GR_CLASS.NAME)
# resolve source URL
url, domain, ok = util.get_webmention_target(
self.source_url(), replace_test_domains=False)
# show nice error message if they're trying to publish a silo post
if domain in SOURCE_DOMAINS:
return self.error(
"Looks like that's a %s URL. Try one from your web site instead!" %
SOURCE_DOMAINS[domain].GR_CLASS.NAME)
elif not ok:
return self.error('Unsupported source URL %s' % url)
elif not domain:
return self.error('Could not parse source URL %s' % url)
# look up source by domain
domain = domain.lower()
sources = source_cls.query().filter(source_cls.domains == domain).fetch(100)
if not sources:
return self.error("Could not find <b>%(type)s</b> account for <b>%(domain)s</b>. Check that your %(type)s profile has %(domain)s in its <em>web site</em> or <em>link</em> field, then try signing up again." %
{'type': source_cls.GR_CLASS.NAME, 'domain': domain})
current_url = ''
for source in sources:
logging.info('Source: %s , features %s, status %s, poll status %s',
source.bridgy_url(self), source.features, source.status,
source.poll_status)
if source.status != 'disabled' and 'publish' in source.features:
# use a source that has a domain_url matching the url provided.
# look through each source to find the one with the closest match.
schemeless_url = util.schemeless(url.lower()).strip('/')
for domain_url in source.domain_urls:
schemeless_domain_url = util.schemeless(domain_url.lower()).strip('/')
if (schemeless_url.startswith(schemeless_domain_url) and
len(domain_url) > len(current_url)):
self.source = source
current_url = domain_url
if not self.source:
return self.error(
'Publish is not enabled for your account. Please visit https://brid.gy and sign up!')
content_param = 'bridgy_%s_content' % self.source.SHORT_NAME
if content_param in self.request.params:
return self.error('The %s parameter is not supported' % content_param)
# show nice error message if they're trying to publish their home page
for domain_url in self.source.domain_urls:
domain_url_parts = urlparse.urlparse(domain_url)
source_url_parts = urlparse.urlparse(self.source_url())
if (source_url_parts.netloc == domain_url_parts.netloc and
source_url_parts.path.strip('/') == domain_url_parts.path.strip('/') and
not source_url_parts.query):
return self.error(
"Looks like that's your home page. Try one of your posts instead!")
# done with the sanity checks, ready to fetch the source url. create the
# Publish entity so we can store the result.
entity = self.get_or_add_publish_entity(url)
if (entity.status == 'complete' and entity.type != 'preview' and
not self.PREVIEW and not appengine_config.DEBUG):
return self.error("Sorry, you've already published that page, and Bridgy Publish doesn't yet support updating or deleting existing posts. Ping Ryan if you want that feature!")
self.entity = entity
# fetch source page
resp = self.fetch_mf2(url)
if not resp:
return
self.fetched, data = resp
# find rel-shortlink, if any
# http://microformats.org/wiki/rel-shortlink
# https://github.com/snarfed/bridgy/issues/173
soup = util.beautifulsoup_parse(self.fetched.text)
shortlinks = (soup.find_all('link', rel='shortlink') +
soup.find_all('a', rel='shortlink') +
soup.find_all('a', class_='shortlink'))
if shortlinks:
self.shortlink = shortlinks[0]['href']
# loop through each item and its children and try to preview/create it. if
# it fails, try the next one. break after the first one that works.
result = None
types = set()
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
elif not item_types & PUBLISHABLE_TYPES:
continue
try:
result = self.attempt_single_item(item)
if self.entity.published:
break
if result.abort:
if result.error_plain:
self.error(result.error_plain, html=result.error_html, data=item)
return
# try the next item
for embedded in ('rsvp', 'invitee', 'repost', 'repost-of', 'like',
'like-of', 'in-reply-to'):
if embedded in item.get('properties', []):
item_types.add(embedded)
logging.info(
'Object type(s) %s not supported; error=%s; trying next.',
item_types, result.error_plain)
types = types.union(item_types)
queue.extend(item.get('children', []))
except BaseException, e:
code, body = util.interpret_http_exception(e)
mail = True
if (not code or code == 500) and util.is_connection_failure(e):
code = 502
mail=False
msg = '%s API error: %s %s' % (self.source.GR_CLASS.NAME, body or '', e)
return self.error(msg, status=code or 500, mail=mail)
def add_original_post_urls(self, post, obj, prop):
"""Extracts original post URLs and adds them to an object, in place.
If the post object has upstreamDuplicates, *only* they are considered
original post URLs and added as tags with objectType 'article', and the
post's own links and 'article' tags are added with objectType 'mention'.
Args:
post: ActivityStreams post object to get original post URLs from
obj: ActivityStreams post object to add original post URLs to
prop: string property name in obj to add the original post URLs to
"""
original_post_discovery.discover(self.source, post, fetch_hfeed=False)
tags = [tag for tag in post['object'].get('tags', [])
if 'url' in tag and tag['objectType'] == 'article']
upstreams = post['object'].get('upstreamDuplicates', [])
if not isinstance(obj.setdefault(prop, []), list):
obj[prop] = [obj[prop]]
if upstreams:
obj[prop] += [{'url': url, 'objectType': 'article'} for url in upstreams]
obj.setdefault('tags', []).extend(
[{'url': tag.get('url'), 'objectType': 'mention'} for tag in tags])
else:
obj[prop] += tags
# check for redirects, and if there are any follow them and add final urls
# in addition to the initial urls.
seen = set()
tags = obj.get('tags', [])
for url_list in obj[prop], tags:
for url_obj in url_list:
url = util.clean_webmention_url(url_obj.get('url', ''))
if not url or url in seen:
continue
seen.add(url)
# when debugging locally, replace my (snarfed.org) URLs with localhost
url_obj['url'] = url = util.replace_test_domains_with_localhost(url)
resolved, _, send = util.get_webmention_target(url)
if send and resolved != url and resolved not in seen:
seen.add(resolved)
url_list.append({'url': resolved, 'objectType': url_obj.get('objectType')})
# if the http version of a link is in upstreams but the https one is just a
# mention, or vice versa, promote them both to upstream.
# https://github.com/snarfed/bridgy/issues/290
#
# TODO: for links that came from resolving redirects above, this doesn't
# also catch the initial pre-redirect link. ah well.
prop_schemeful = set(tag['url'] for tag in obj[prop] if tag.get('url'))
prop_schemeless = set(util.schemeless(url) for url in prop_schemeful)
for url_obj in copy.copy(tags):
url = url_obj.get('url', '')
schemeless = util.schemeless(url)
if schemeless in prop_schemeless and url not in prop_schemeful:
obj[prop].append(url_obj)
tags.remove(url_obj)
prop_schemeful.add(url)
logging.info('After original post discovery, urls are: %s', seen)
