def update_feed_details(self, data: Dict, feed: Feed) -> None:
"""
Updates the title and description of a feed if they have been sent
with the notification.
:param data: deserialized JSON
:type data: Dict
:param feed: The Feed to be updated
:type feed: Feed
:return: Feed object
"""
feed.title = data.get("title")
if data.get("description"):
feed.description = data["description"]
if data.get("home_page_url"):
feed.site_url = data["home_page_url"]
if data.get("favicon"):
feed.site_icon_url = data["favicon"]
if data.get("feed_url"):
feed.update_feed_topic(data["feed_url"])
if data.get("expired") and bool(data.get("expired")) == True:
feed.set_expired()
if data.get("hubs"):
feed.handle_websub(data["hubs"])
def test_fetch_feed_no_new_content(session, capture_signal_notification_received):
feed = Feed(topic="http://test.com/feed.rss")
body = "<rss></rss>"
feed.new_content(body)
responses.add(
responses.GET,
feed.topic,
body=body,
status=200,
content_type="application/rss+xml",
)
result = FeedFetcher.fetch_feed(feed)
assert result is False
assert feed.last_status_code == 200
assert not feed.etag
assert not feed.last_modified
assert feed.next_scheduled_update > Feed.current_timestamp()
assert len(capture_signal_notification_received) == 0
stats = FeedStats.query.filter_by(feed_id=feed.id).first()
assert stats
assert stats.status_code == 200
assert stats.new_entries == 0
assert stats.updated_entries == 0
assert stats.type == FetchType.PULL
assert stats.latency > 0
assert stats.parse_time == 0
def test_fetch_feed_not_modified_last_modified(
session, capture_signal_notification_received
):
feed = Feed(topic="http://test.com/feed.rss")
content_hash = "adfasdfasd"
feed.content_hash = content_hash
modified = datetime(2017, 6, 6, 12, 0, 0)
responses.add(
responses.GET,
feed.topic,
body=None,
status=304,
adding_headers={"last-modified": create_modified_header(modified)},
content_type="application/rss+xml",
)
result = FeedFetcher.fetch_feed(feed)
assert result is False
assert feed.last_status_code == 304
assert not feed.etag
assert feed.last_modified == modified
assert feed.content_hash == content_hash
assert feed.next_scheduled_update > Feed.current_timestamp()
assert len(capture_signal_notification_received) == 0
stats = FeedStats.query.filter_by(feed_id=feed.id).first()
assert stats
assert stats.status_code == 304
assert stats.new_entries == 0
assert stats.updated_entries == 0
assert stats.type == FetchType.PULL
assert stats.latency > 0
assert stats.parse_time == 0
def test_unsubscribe_raises_error(session):
topic = "http://test.com"
with pytest.raises(SubscriberError):
subscriber.unsubscribe(topic=topic)
feed = Feed(topic=topic).save()
with pytest.raises(SubscriberError):
subscriber.unsubscribe(topic=topic)
feed.is_push = True
with pytest.raises(SubscriberError):
subscriber.unsubscribe(topic=topic)
feed.hub = "http://test.com/hub"
with pytest.raises(SubscriberError):
subscriber.unsubscribe(topic=topic)
feed.status = STATUS.UNSUBSCRIBED
with pytest.raises(SubscriberError):
subscriber.unsubscribe(topic=topic)
def create_feed(self, url, hub=None, find_feed=True):
"""
Creates a Feed, searching the website for a feed and PuSH links if find_feed is True.
:param url: The URL of a website or feed.
:param hub: The URL of the PuSH hub to use.
:param find_feed: Set to True to search the website for a feed and override the url
if feed is found.
:return: Feed
"""
topic = url
parsed_feed = None
if find_feed:
app.logger.info(u'Finding feed for url {0}'.format(url))
data = get_feed(url)
app.logger.info(u'Found feed {0} with hub {1} for url {2}'
.format(data[1], data[0], url))
if data[0]:
if not hub:
hub = data[0]
if data[1]:
topic = data[1]
if data[2]:
parsed_feed = data[2]
if not hub:
hub = app.config['DEFAULT_HUB']
app.logger.info(u'Creating Feed with topic {0} and hub {1}'
.format(topic, hub))
feed = Feed(topic=topic, hub=hub)
if parsed_feed:
try:
url = parsed_feed.feed['link']
domain = get_domain(url)
if domain:
app.logger.info('Set site_url for Feed {0} to {1}'
.format(feed, domain))
feed.site_url = domain
except:
pass
db.session.add(feed)
if parsed_feed:
app.logger.info(u'Feed creation for topic {0} parsed a feed, '
'sending notification'.format(topic))
notification_received.send(self,
feed=feed,
content_type='application/rss+xml',
content=parsed_feed,
parsed=True)
db.session.commit()
return feed
def send_subscribe_feed():
"""
Subscribes to a single feed.
"""
requested_url = request.get_json()
app.logger.info(u'User: {0} requested Subscription to feed: {0}'
.format(current_user, requested_url))
# Only subscribe if feed was found by search_feed method and
# loaded in session, otherwise return empty result.
if requested_url not in session['feed_urls']:
app.logger.warning(u'Requested url: {0} was not found in session'
.format(requested_url))
return jsonify({'subcribed': None})
print(session['feeds'])
feed_info_schema = FeedInfoSchema(many=True)
feedinfos = feed_info_schema.load(session['feeds'])
print(feedinfos.data)
feedinfo = None
for f in feedinfos.data:
f1 = feed_info_schema.make_feedinfo(f)
print(f1)
if f1.url == requested_url:
feedinfo = f1
if not feedinfo:
app.logger.warning(u'Requested url: {0} was not found in session'
.format(requested_url))
return jsonify({'subcribed': None})
feed = Feed.query.filter_by(topic=feedinfo.url).first()
if not feed:
feed = Feed(topic=feedinfo.url,
hub=feedinfo.hub or app.config['DEFAULT_HUB'])
feed.update_from_feedinfo(feedinfo)
app.logger.info(u'User: {0} created Feed: {1}'
.format(current_user, feed))
else:
if feed.status == STATUS.SUBSCRIBED:
feedinfo.subscribed = True
return jsonify({'subcribed': feedinfo})
db.session.add(feed)
result = subscriber.subscribe(feed.topic, find_feed=False)
return jsonify({'subscribed': feedinfo.url, 'message': result[1]})
def test_get_scheduled_feeds(session):
timestamp = Feed.current_timestamp()
feed_to_fetch_1 = FeedFactory(next_scheduled_update=timestamp - 1000)
feed_to_fetch_2 = FeedFactory(next_scheduled_update=timestamp - 100000)
feed_future_fetch = FeedFactory(next_scheduled_update=timestamp + 100)
feed_is_push = FeedFactory(next_scheduled_update=timestamp - 1000, is_push=True)
feed_is_inactive = FeedFactory(next_scheduled_update=timestamp - 1000, active=False)
to_fetch = FeedFetcher.get_scheduled_feeds()
assert len(to_fetch) == 3
TestCase().assertCountEqual(
to_fetch, [feed_to_fetch_1, feed_to_fetch_2, feed_is_push]
)
feed_to_fetch_2.next_scheduled_update = timestamp + 1000
feed_to_fetch_3 = FeedFactory(next_scheduled_update=timestamp - 100)
to_fetch = FeedFetcher.get_scheduled_feeds()
assert len(to_fetch) == 3
TestCase().assertCountEqual(
to_fetch, [feed_to_fetch_1, feed_to_fetch_3, feed_is_push]
)
to_fetch = FeedFetcher.get_scheduled_feeds(1)
assert len(to_fetch) == 1
def process_feed_info(self, feed_info: StatusFeedInfo, feed: Feed) -> None:
"""
Get and update feed with feed_info details.
"""
if feed:
app.logger.info("Updating %s with info: %s", feed, feed_info)
feed.update_from_feed_info(feed_info)
db.session.add(feed)
if feed.excluded:
self.excluded.append(feed_info.url)
return None
if feed.active:
feed_info.subscribed = True
self.feed_info_list.append(feed_info)
self.urls.append(feed_info.url)
def test_feed_creation(session):
topic = "http://testing.com/feed"
hub = "https://push.superfeedr.com"
feed_format = "atom"
feed = Feed(topic=topic, hub=hub)
feed.save()
assert feed.topic == topic
assert feed.hub == hub
assert feed.feed_format == feed_format
assert feed.status == STATUS.UNSUBSCRIBED
assert feed.secret is not None
assert feed.unique_url is not None
secret = feed.secret
feed.create_secret()
assert feed.secret == secret
def test_feed_creation(self):
topic = 'http://testing.com/feed'
hub = 'https://push.superfeedr.com'
feed_format = 'json'
feed = Feed(topic=topic, hub=hub)
feed.save()
self.assertEqual(feed.topic, topic)
self.assertEqual(feed.hub, hub)
self.assertEqual(feed.feed_format, feed_format)
self.assertEqual(feed.status, STATUS.UNSUBSCRIBED)
self.assertIsNotNone(feed.secret)
self.assertIsNotNone(feed.unique_url)
secret = feed.secret
feed.create_secret()
self.assertEqual(feed.secret, secret)
def update_feed_version(self, data: Dict, feed: Feed) -> None:
"""
Sets the format of the Feed.
:param data: parsed XML feed
:type data: Dict
:param feed: A Feed object
:type feed: Feed
:return: Feed object
"""
feed.feed_format = data.get("version", "RSS/Atom")
def update_feed_version(self, data: Dict, feed: Feed) -> None:
"""
Sets the format of the Feed.
:param data: deserialized JSON
:type data: Dict
:param feed: A Feed object
:type feed: Feed
:return: Feed object
"""
feed.feed_format = "json"
def update_feed_details(self, data: Dict, feed: Feed) -> None:
"""
Updates the title and description of a feed if they have been sent
with the notification.
:param data: parsed XML feed
:type data: Dict
:param feed: The Feed to be updated
:type feed: Feed
:return: Feed object
"""
feed_data = data.get("feed")
if feed_data:
if feed_data.get("title"):
feed.title = feed_data["title"]
if feed_data.get("subtitle"):
feed.description = feed_data.get("subtitle")
elif feed_data.get("description"):
feed.description = feed_data.get("description")
def update_feed_details(self, data: Dict, feed: Feed) -> None:
"""
Updates the title and description of a feed if they have been sent
with the notification.
:param data: deserialized JSON
:type data: Dict
:param feed: The Feed to be updated
:type feed: Feed
:return: Feed object
"""
if data.get("title"):
feed.title = data.get("title")
if data.get("description"):
feed.description = data["description"]
elif data.get("subtitle"):
feed.description = data["subtitle"]
feed.feed_format = "json"
def test_fetch_feed(session, capture_signal_notification_received):
feed = Feed(topic="http://test.com/feed.rss")
body = "<rss></rss>"
responses.add(
responses.GET,
feed.topic,
body=body,
status=200,
content_type="application/rss+xml",
)
result = FeedFetcher.fetch_feed(feed)
assert result is True
assert feed.last_status_code == 200
assert not feed.etag
assert not feed.last_modified
assert feed.next_scheduled_update > Feed.current_timestamp()
captured_feed, captured_content = capture_signal_notification_received[0]
assert captured_feed.topic == feed.topic
assert captured_content == body
def test_feed_set_next_scheduled_update(session):
timestamp = Feed.current_timestamp()
feed = FeedFactory()
assert not feed.last_fetch
assert not feed.next_scheduled_update
feed.set_next_scheduled_update()
assert feed.next_scheduled_update > timestamp
assert feed.next_scheduled_update < timestamp + 4000
feed.last_fetch = datetime.utcnow()
feed.set_next_scheduled_update()
assert feed.next_scheduled_update > timestamp
assert feed.next_scheduled_update < timestamp + 4000
feed.last_fetch = datetime.utcnow() + timedelta(days=1)
feed.set_next_scheduled_update()
assert feed.next_scheduled_update > timestamp
feed.last_fetch = datetime.utcnow()
feed.set_next_scheduled_update(10000)
assert feed.next_scheduled_update > timestamp + 9500
assert feed.next_scheduled_update < timestamp + 11500
def create_feed(self, url, hub=None, find_feed=True):
"""
Creates a Feed, searching the website for a feed and PuSH links
if find_feed is True.
:param url: The URL of a website or feed.
:param hub: The URL of the PuSH hub to use.
:param find_feed: Set to True to search the website for a feed
and override the url if feed is found.
:return: Feed
"""
topic = url
parsed_feed = None
if find_feed:
app.logger.info("Finding feed for url %s", url)
data = get_feed(url)
app.logger.info(
"Found feed %s with hub %s for url %s", data[1], data[0], url
)
if data[0]:
if not hub:
hub = data[0]
if data[1]:
topic = data[1]
if data[2]:
parsed_feed = data[2]
if not hub:
hub = app.config.get("DEFAULT_HUB")
app.logger.info("Creating Feed with topic %s and hub %s", topic, hub)
feed = Feed(topic=topic, hub=hub)
if parsed_feed:
try:
url = parsed_feed.feed.get("link")
domain = get_domain(url)
if domain:
app.logger.info("Set site_url for %s to %s", feed, domain)
feed.site_url = domain
except Exception as e:
app.logger.error("Error getting domain for %s: %s", feed, e)
pass
db.session.add(feed)
if parsed_feed:
app.logger.info(
"Feed creation for topic %s parsed a feed, " "sending notification",
topic,
)
notification_received.send(
self,
feed=feed,
content_type="application/rss+xml",
content=parsed_feed,
parsed=True,
)
db.session.commit()
return feed
def test_feed_create_secret(self):
feed = Feed(topic='test', hub='testhub')
feed.create_secret()
self.assertIsNotNone(feed.secret)
def index(self):
current_time = datetime.utcnow()
dayago = current_time - timedelta(days=1)
weekago = current_time - timedelta(weeks=1)
monthago = current_time - timedelta(days=31)
yearago = current_time - timedelta(days=365)
immediate_subs = get_count(
db.session.query(Subscription.id)
.join(Period, Subscription.periods)
.filter(Period.name == PERIOD.IMMEDIATE, Subscription.active == True)
)
daily_subs = get_count(
db.session.query(Subscription.id)
.join(Period, Subscription.periods)
.filter(Period.name == PERIOD.DAILY, Subscription.active == True)
)
weekly_subs = get_count(
db.session.query(Subscription.id)
.join(Period, Subscription.periods)
.filter(Period.name == PERIOD.WEEKLY, Subscription.active == True)
)
monthly_subs = get_count(
db.session.query(Subscription.id)
.join(Period, Subscription.periods)
.filter(Period.name == PERIOD.MONTHLY, Subscription.active == True)
)
active_users = get_count(db.session.query(User.id).filter_by(active=True))
admin_users = get_count(
db.session.query(User.id)
.join(Role, User.roles)
.filter(Role.name == "admin")
)
entries_last_day = get_count(
db.session.query(Entry).filter(Entry.published > dayago)
)
entries_last_week = get_count(
db.session.query(Entry).filter(Entry.published > weekago)
)
entries_last_month = get_count(
db.session.query(Entry).filter(Entry.published > monthago)
)
entries_last_year = get_count(
db.session.query(Entry).filter(Entry.published > yearago)
)
authors_subscribed = get_count(
db.session.query(Author)
.join(Subscription)
.filter(Subscription.active == True)
)
subscribed_feeds = get_count(
db.session.query(Feed).filter(Feed.status == STATUS.SUBSCRIBED)
)
unsubscribed_feeds = get_count(
db.session.query(Feed).filter(Feed.status == STATUS.UNSUBSCRIBED)
)
default_hub_feeds = get_count(
db.session.query(Feed).filter(Feed.hub == app.config["DEFAULT_HUB"])
)
fetch_feeds = get_count(
db.session.query(Feed.id).filter(
Feed.status == STATUS.FETCH, Feed.active == True
)
)
daily_emails = get_count(
db.session.query(Email)
.join(Period, Email.period)
.filter(Period.name == PERIOD.DAILY)
)
weekly_emails = get_count(
db.session.query(Email)
.join(Period, Email.period)
.filter(Period.name == PERIOD.WEEKLY)
)
monthly_emails = get_count(
db.session.query(Email)
.join(Period, Email.period)
.filter(Period.name == PERIOD.MONTHLY)
)
current_timestamp = Feed.current_timestamp()
return self.render(
"admin/home.html",
userCount=get_count(db.session.query(User)),
feedCount=get_count(db.session.query(Feed)),
entryCount=get_count(db.session.query(Entry)),
authorCount=get_count(db.session.query(Author)),
subscriptionCount=get_count(db.session.query(Subscription)),
emailCount=get_count(db.session.query(Email)),
daily_emails=daily_emails,
weekly_emails=weekly_emails,
monthly_emails=monthly_emails,
immediate_subs=immediate_subs,
daily_subs=daily_subs,
weekly_subs=weekly_subs,
monthly_subs=monthly_subs,
active_users=active_users,
admin_users=admin_users,
entries_last_year=entries_last_year,
entries_last_day=entries_last_day,
entries_last_week=entries_last_week,
entries_last_month=entries_last_month,
authors_subscribed=authors_subscribed,
subscribed_feeds=subscribed_feeds,
unsubscribed_feeds=unsubscribed_feeds,
default_hub_feeds=default_hub_feeds,
fetch_feeds=fetch_feeds,
current_timestamp=current_timestamp,
current_datetime=datetime.utcnow(),
)
def create_or_activate_feed(
cls, url: str = "", hub: str = "", feedinfo: StatusFeedInfo = None, user=None
):
"""
Creates a Feed, or sets an existing Feed to active.
If hub then sets the Feed to use Websub.
If feedinfo then updates the Feed information from feedinfo.
If user then sets Feed user.
:param hub: Websub hub URL
:param user: User who created the feed
:param url: Feed URL
:param feedinfo: StatusFeedInfo object
:return: Feed
"""
if not url and not feedinfo and not feedinfo.url:
raise AttributeError("Must have either Url or StatusFeedInfo")
if feedinfo:
url = url if url else feedinfo.url
if not hub and feedinfo.hubs:
hub = feedinfo.hubs[0]
if not validators.url(url):
raise ValueError("URL arg is not a valid URL")
app.logger.info("Creating or activating Feed with URL %s", url)
feed = Feed.query.filter_by(topic=url).first()
if feed:
app.logger.info("%s activated", feed)
else:
feed = Feed(topic=url)
if user:
app.logger.info("%s created by %s", feed, user)
feed.user = user
else:
app.logger.info("%s created", feed)
if feedinfo:
feed.update_from_feed_info(feedinfo)
# Sets the Feed to use Websub
if hub:
feed.hub = hub
feed.is_push = True
# If not Websub feed then set Feed as Fetch only
if not feed.is_push:
feed.fetch = True
# Set the Feed to fetch on the next fetch task
feed.set_next_scheduled_update(frequency=0, range_percent=0)
feed.active = True
feed.save()
return feed
def fetch_feed(cls, feed: Feed, force: bool = False) -> bool:
"""
Fetch a single Feed.
Will attempt to fetch latest version of Feed. Statistics will be saved and next fetch
scheduled regardless of fetch success. If fetch failed or there is no change in the feed, then
no notification_received signal will be sent and the process will exit.
:param feed: Feed to be fetched
:param force: Always fetch regardless of last-modified values
:return: True if fetch was successful with new content
"""
fetched: bool = False
content: str = ""
content_length: int = 0
response_url: str = ""
headers: dict = {}
status_code: int = 500
encoding: str = ""
app.logger.info("Fetching %s", feed)
start = time.perf_counter()
try:
with requests.get(
feed.topic,
headers=feed.fetch_headers(force),
timeout=(3.05, 10),
stream=True,
) as response:
# Capture response variables before raising any exceptions
status_code = response.status_code
headers = response.headers
encoding = response.encoding or "utf-8"
# Only set content if content length is acceptable, else raise ContentLengthException
content_length = int(response.headers.get("Content-Length", 0))
if content_length < app.config.get("MAX_FEED_LENGTH"):
content = response.text
else:
raise ContentLengthException()
response.raise_for_status()
except requests.Timeout as t:
app.logger.warning("Timeout fetching Feed %s: %s", feed, t)
except requests.ConnectionError as c:
app.logger.warning("ConnectionError fetching feed %s: %s", feed, c)
except requests.RequestException as e:
app.logger.warning("Error fetching Feed %s: %s", feed, e)
except ContentLengthException:
app.logger.warning("TOO BIG: feed=%s size=%s", feed, content_length)
else:
fetched = True
request_time_ms = int((time.perf_counter() - start) * 1000)
# Read content length from content only if available and required
if content and content_length == 0:
content_length = utf8len(content)
app.logger.info(
"FETCHED: topic=%s duration=%dms status=%s size=%sb",
feed.topic,
request_time_ms,
status_code,
content_length,
)
feed.last_status_code = status_code
feed.last_fetch = datetime.utcnow()
feed.set_next_scheduled_update()
stats = FeedStats.create_stats(
feed.id,
FetchType.PULL,
status_code=status_code,
latency=request_time_ms,
content_length=content_length,
)
# Set feed to inactive if Feed is Gone
if status_code == 410:
feed.gone = True
# Exit if Feed not successfully fetched
if not fetched:
return cls.no_change(feed, stats)
# Set Feed ETag from response
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
etag = headers.get("etag")
if etag:
feed.etag = etag
# Set Feed Last-Modified from response
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Last-Modified
last_modified = headers.get("last-modified")
if last_modified:
feed.last_modified = feed.set_last_modified(last_modified)
# Save and return if not modified code received
if status_code == 304:
return cls.no_change(feed, stats)
# Check if content hash is new
new_content = feed.new_content(content, encoding or "UTF-8")
# Save and return if no new content and not forcing update
if not new_content and not force:
return cls.no_change(feed, stats)
db.session.commit()
# Set content-location header to final url if not already set
if "content-location" not in headers:
headers["content-location"] = response_url
notification_received.send(
cls,
feed=feed,
content_type=parse_options_header(headers.get("content-type")),
content=content,
encoding=encoding,
stats=stats,
headers=headers_to_dict(headers),
)
return True
def test_feed_create_secret(session):
feed = Feed(topic="test", hub="testhub")
feed.create_secret()
assert feed.secret is not None
def create_feed_from_feed_info(feed_info, hub=None, feed_format=None):
if not hub:
if feed_info.hub:
hub = feed_info.hub
else:
hub = app.config.get("DEFAULT_HUB")
feed = Feed.query.filter_by(topic=feed_info.url).first()
if not feed:
feed = Feed(topic=feed_info.url, hub=hub)
feed.create_unique_url()
feed.create_secret()
feed.feed_format = feed_format if feed_format else feed.feed_format
if not feed.callback_url:
feed.callback_url = get_public_url(feed)
feed.site_url = (feed_info.site_url,)
feed.description = (feed_info.descripton,)
feed.site_name = (feed_info.site_name,)
feed.title = (feed_info.title,)
feed.site_icon_link = feed_info.site_icon_link
return feed
