def send_webmentions(handler, activity, **response_props):
"""Sends webmentions for an incoming Salmon slap or ActivityPub inbox delivery.
Args:
handler: RequestHandler
activity: dict, AS1 activity
response_props: passed through to the newly created Responses
"""
verb = activity.get('verb')
if verb and verb not in SUPPORTED_VERBS:
error(handler, '%s activities are not supported yet.' % verb)
# extract source and targets
source = activity.get('url') or activity.get('id')
obj = activity.get('object')
obj_url = util.get_url(obj)
targets = util.get_list(activity, 'inReplyTo')
if isinstance(obj, dict):
if not source:
source = obj_url or obj.get('id')
targets.extend(util.get_list(obj, 'inReplyTo'))
if verb in ('like', 'share'):
targets.append(obj_url)
targets = util.dedupe_urls(util.get_url(t) for t in targets)
if not source:
error(handler, "Couldn't find original post URL")
if not targets:
error(handler, "Couldn't find target URLs (inReplyTo or object)")
# send webmentions and store Responses
errors = []
for target in targets:
if not target:
continue
response = Response(source=source, target=target, direction='in',
**response_props)
response.put()
wm_source = response.proxy_url() if verb in ('like', 'share') else source
logging.info('Sending webmention from %s to %s', wm_source, target)
wm = send.WebmentionSend(wm_source, target)
if wm.send(headers=HEADERS):
logging.info('Success: %s', wm.response)
response.status = 'complete'
else:
logging.warning('Failed: %s', wm.error)
errors.append(wm.error)
response.status = 'error'
response.put()
if errors:
msg = 'Errors:\n' + '\n'.join(json.dumps(e, indent=2) for e in errors)
error(handler, msg, status=errors[0].get('http_status'))
def send_webmentions(activity_wrapped, proxy=None, **response_props):
"""Sends webmentions for an incoming Salmon slap or ActivityPub inbox delivery.
Args:
activity_wrapped: dict, AS1 activity
response_props: passed through to the newly created Responses
"""
activity = redirect_unwrap(activity_wrapped)
verb = activity.get('verb')
if verb and verb not in SUPPORTED_VERBS:
error(f'{verb} activities are not supported yet.')
# extract source and targets
source = activity.get('url') or activity.get('id')
obj = activity.get('object')
obj_url = util.get_url(obj)
targets = util.get_list(activity, 'inReplyTo')
if isinstance(obj, dict):
if not source or verb in ('create', 'post', 'update'):
source = obj_url or obj.get('id')
targets.extend(util.get_list(obj, 'inReplyTo'))
tags = util.get_list(activity_wrapped, 'tags')
obj_wrapped = activity_wrapped.get('object')
if isinstance(obj_wrapped, dict):
tags.extend(util.get_list(obj_wrapped, 'tags'))
for tag in tags:
if tag.get('objectType') == 'mention':
url = tag.get('url')
if url and url.startswith(request.host_url):
targets.append(redirect_unwrap(url))
if verb in ('follow', 'like', 'share'):
targets.append(obj_url)
targets = util.dedupe_urls(util.get_url(t) for t in targets)
if not source:
error("Couldn't find original post URL")
if not targets:
error(
"Couldn't find any target URLs in inReplyTo, object, or mention tags"
)
# send webmentions and store Responses
errors = [] # stores (code, body) tuples
for target in targets:
if util.domain_from_link(target) == util.domain_from_link(source):
logging.info(
f'Skipping same-domain webmention from {source} to {target}')
continue
response = Response(source=source,
target=target,
direction='in',
**response_props)
response.put()
wm_source = (response.proxy_url() if
verb in ('follow', 'like', 'share') or proxy else source)
logging.info(f'Sending webmention from {wm_source} to {target}')
try:
endpoint = webmention.discover(target, headers=HEADERS).endpoint
if endpoint:
webmention.send(endpoint, wm_source, target, headers=HEADERS)
response.status = 'complete'
logging.info('Success!')
else:
response.status = 'ignored'
logging.info('Ignoring.')
except BaseException as e:
errors.append(util.interpret_http_exception(e))
response.put()
if errors:
msg = 'Errors: ' + ', '.join(f'{code} {body}' for code, body in errors)
error(msg, status=int(errors[0][0] or 502))
def send_webmentions(handler, activity_wrapped, proxy=None, **response_props):
"""Sends webmentions for an incoming Salmon slap or ActivityPub inbox delivery.
Args:
handler: RequestHandler
activity_wrapped: dict, AS1 activity
response_props: passed through to the newly created Responses
"""
activity = common.redirect_unwrap(activity_wrapped)
verb = activity.get('verb')
if verb and verb not in SUPPORTED_VERBS:
error(handler, '%s activities are not supported yet.' % verb)
# extract source and targets
source = activity.get('url') or activity.get('id')
obj = activity.get('object')
obj_url = util.get_url(obj)
targets = util.get_list(activity, 'inReplyTo')
if isinstance(obj, dict):
if not source or verb in ('create', 'post', 'update'):
source = obj_url or obj.get('id')
targets.extend(util.get_list(obj, 'inReplyTo'))
tags = util.get_list(activity_wrapped, 'tags')
obj_wrapped = activity_wrapped.get('object')
if isinstance(obj_wrapped, dict):
tags.extend(util.get_list(obj_wrapped, 'tags'))
for tag in tags:
if tag.get('objectType') == 'mention':
url = tag.get('url')
if url and url.startswith(appengine_config.HOST_URL):
targets.append(redirect_unwrap(url))
if verb in ('follow', 'like', 'share'):
targets.append(obj_url)
targets = util.dedupe_urls(util.get_url(t) for t in targets)
if not source:
error(handler, "Couldn't find original post URL")
if not targets:
error(handler, "Couldn't find any target URLs in inReplyTo, object, or mention tags")
# send webmentions and store Responses
errors = []
for target in targets:
if util.domain_from_link(target) == util.domain_from_link(source):
logging.info('Skipping same-domain webmention from %s to %s',
source, target)
continue
response = Response(source=source, target=target, direction='in',
**response_props)
response.put()
wm_source = (response.proxy_url()
if verb in ('follow', 'like', 'share') or proxy
else source)
logging.info('Sending webmention from %s to %s', wm_source, target)
wm = send.WebmentionSend(wm_source, target)
if wm.send(headers=HEADERS):
logging.info('Success: %s', wm.response)
response.status = 'complete'
else:
logging.warning('Failed: %s', wm.error)
errors.append(wm.error)
response.status = 'error'
response.put()
if errors:
msg = 'Errors:\n' + '\n'.join(json.dumps(e, indent=2) for e in errors)
error(handler, msg, status=errors[0].get('http_status'))
