def _start_recording(cls):
current_date_time_in_utc = datetime.now(pytz.utc)
with Database.get_write_lock():
db_session = Database.create_session()
try:
for scheduled_recording in DatabaseAccess.query_scheduled_recordings(
db_session):
scheduled_recording_start_date_time_in_utc = scheduled_recording.start_date_time_in_utc
if current_date_time_in_utc > scheduled_recording_start_date_time_in_utc:
scheduled_recording.status = RecordingStatus.LIVE.value
with cls._live_recordings_to_recording_thread_lock:
cls._live_recordings_to_recording_thread[
scheduled_recording.id] = RecordingThread(
scheduled_recording)
cls._live_recordings_to_recording_thread[
scheduled_recording.id].start()
db_session.commit()
cls._set_start_recording_timer(db_session)
except Exception:
(type_, value_, traceback_) = sys.exc_info()
logger.error('\n'.join(
traceback.format_exception(type_, value_, traceback_)))
db_session.rollback()
finally:
db_session.close()
def scrub_password(cls, provider_name, password):
if cls._determine_password_state(password) == PasswordState.DECRYPTED:
if cls._fernet is None:
fernet_key = Fernet.generate_key()
cls._fernet = Fernet(fernet_key)
with Database.get_write_lock():
db_session = Database.create_session()
try:
db_session.add(
Setting('password_encryption_key',
fernet_key.decode()))
db_session.commit()
except Exception:
(type_, value_, traceback_) = sys.exc_info()
logger.error('\n'.join(
traceback.format_exception(type_, value_,
traceback_)))
db_session.rollback()
finally:
db_session.close()
encrypted_password = cls._encrypt_password(password)
logger.debug('Scrubbed {0} password\n'
'Encrypted password => {1}'.format(
provider_name, encrypted_password))
else:
if cls._fernet:
try:
cls.decrypt_password(password)
encrypted_password = password
logger.debug(
'Decryption key loaded is valid for the encrypted {0} password'
.format(provider_name))
except InvalidToken:
logger.error(
'Decryption key loaded is not valid for the encrypted {0} password\n'
'Please re-enter your cleartext password in the configuration file\n'
'Configuration file path => {0}\n'
'Exiting...'.format(
provider_name,
Configuration.get_configuration_file_path))
sys.exit()
else:
logger.error(
'{0} password is encrypted, but no decryption key was found\n'
'Please re-enter your cleartext password in the configuration file\n'
'Configuration file path => {0}\n'
'Exiting...'.format(
provider_name,
Configuration.get_configuration_file_path))
sys.exit()
return encrypted_password
def start_proxy(
cls,
configuration_file_path,
optional_settings_file_path,
db_file_path,
log_file_path,
recordings_directory_path,
certificate_file_path,
key_file_path,
):
Configuration.set_configuration_file_path(configuration_file_path)
OptionalSettings.set_optional_settings_file_path(
optional_settings_file_path)
Database.set_database_file_path(db_file_path)
Logging.set_log_file_path(log_file_path)
PVR.set_recordings_directory_path(recordings_directory_path)
SecurityManager.set_certificate_file_path(certificate_file_path)
SecurityManager.set_key_file_path(key_file_path)
ProvidersController.initialize()
OptionalSettings.read_optional_settings_file()
Database.initialize()
SecurityManager.initialize()
Configuration.read_configuration_file()
CacheManager.initialize()
HTMLTemplateEngine.initialize()
HTTPRequestHandler.initialize()
PVR.initialize()
Configuration.start_configuration_file_watchdog_observer()
OptionalSettings.start_optional_settings_file_watchdog_observer()
Logging.start_logging_configuration_file_watchdog_observer()
cls.start_http_server()
cls.start_https_server()
PVR.start()
while not cls._shutdown_proxy_event.is_set():
if cls._http_server_thread:
cls._http_server_thread.join()
if cls._https_server_thread:
cls._https_server_thread.join()
cls._shutdown_proxy_event.wait(0.5)
Configuration.join_configuration_file_watchdog_observer()
OptionalSettings.join_optional_settings_file_watchdog_observer()
Logging.join_logging_configuration_file_watchdog_observer()
def initialize_temporary(cls):
cls._temporary_database_file_path = os.path.join(os.path.dirname(Database.get_database_file_path()),
DarkMediaConstants.TEMPORARY_DB_FILE_NAME)
super().initialize_temporary()
Base.metadata.create_all(cls._temporary_engine)
def initialize(cls):
cls._database_file_path = os.path.join(os.path.dirname(Database.get_database_file_path()),
DarkMediaConstants.DB_FILE_NAME)
super().initialize()
Base.metadata.create_all(cls._engine)
def initialize(cls):
with Database.get_write_lock():
db_session = Database.create_session()
try:
cls._initialize_recordings(db_session)
db_session.commit()
except Exception:
(type_, value_, traceback_) = sys.exc_info()
logger.error('\n'.join(
traceback.format_exception(type_, value_, traceback_)))
db_session.rollback()
finally:
db_session.close()
def generate_vod_recording_playlist_m3u8(cls, client_uuid, recording_id,
http_token):
db_session = Database.create_session()
try:
vod_playlist_m3u8_object = M3U8()
vod_playlist_m3u8_object.media_sequence = 0
vod_playlist_m3u8_object.version = '3'
vod_playlist_m3u8_object.target_duration = 0
vod_playlist_m3u8_object.playlist_type = 'VOD'
for segment_row in DatabaseAccess.query_segment_pickle(
db_session, recording_id):
segment = pickle.loads(segment_row.pickle)
if segment.duration > vod_playlist_m3u8_object.target_duration:
vod_playlist_m3u8_object.target_duration = math.ceil(
segment.duration)
vod_playlist_m3u8_object.add_segment(segment)
return re.sub(
r'(\.ts\?)(.*)', r'\1client_uuid={0}&http_token={1}&\2'.format(
client_uuid,
urllib.parse.quote(http_token) if http_token else ''),
'{0}\n'
'{1}'.format(vod_playlist_m3u8_object.dumps(),
'#EXT-X-ENDLIST'))
finally:
db_session.close()
def get_recordings(cls):
recordings = []
db_session = Database.create_session()
try:
for recording in DatabaseAccess.query_recordings(db_session):
recordings.append(recording)
finally:
db_session.close()
return recordings
def _initialize_fernet_key(cls):
db_session = Database.create_session()
try:
password_encryption_key_setting = DatabaseAccess.query_setting(
db_session, 'password_encryption_key')
if password_encryption_key_setting is not None:
fernet_key = password_encryption_key_setting.value.encode()
cls._fernet = Fernet(fernet_key)
finally:
db_session.close()
def generate_vod_index_playlist_m3u8(cls, is_server_secure,
client_ip_address, client_uuid,
http_token):
playlist_m3u8 = []
client_ip_address_type = Utility.determine_ip_address_type(
client_ip_address)
server_hostname = Configuration.get_configuration_parameter(
'SERVER_HOSTNAME_{0}'.format(client_ip_address_type.value))
server_port = Configuration.get_configuration_parameter(
'SERVER_HTTP{0}_PORT'.format('S' if is_server_secure else ''))
db_session = Database.create_session()
try:
for persistent_recording in DatabaseAccess.query_persisted_recordings(
db_session):
playlist_m3u8.append(
'#EXTINF:-1,{0} - [{1} - {2}]\n'
'{3}\n'.format(
persistent_recording.program_title,
persistent_recording.start_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime(
'%Y-%m-%d %H:%M:%S%z'),
persistent_recording.end_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime(
'%Y-%m-%d %H:%M:%S%z'),
cls.generate_vod_recording_playlist_url(
is_server_secure,
server_hostname,
server_port,
client_uuid,
persistent_recording.id,
http_token,
),
))
finally:
db_session.close()
if playlist_m3u8:
playlist_m3u8 = '#EXTM3U\n{0}'.format(''.join(playlist_m3u8))
logger.debug('Generated VOD playlist.m3u8')
else:
logger.debug(
'No persistent recordings found. VOD playlist.m3u8 will not be generated'
)
return playlist_m3u8
def get_recording_program_title(cls, recording_id):
db_session = Database.create_session()
try:
recording = DatabaseAccess.query_recording(db_session,
recording_id)
if recording is not None:
program_title = recording.program_title
else:
program_title = 'Recording {0}'.format(recording_id)
return program_title
finally:
db_session.close()
def load_ts_file(cls, path, recording_id):
db_session = Database.create_session()
try:
segment_name = re.sub(r'/vod/(.*)\?.*', r'\1', path)
segment_row = DatabaseAccess.query_segment_directory_path(
db_session, segment_name, recording_id)
if segment_row is not None:
return Utility.read_file(os.path.join(
segment_row.directory_path, segment_name),
in_binary=True)
else:
raise SegmentNotFoundError
finally:
db_session.close()
def process_configuration_file_updates(cls):
with cls._lock.writer_lock:
message_to_log = []
purge_http_sessions = False
restart_http_server = False
restart_https_server = False
# <editor-fold desc="Detect and handle SERVER_PASSWORD change">
if cls._configuration[
'SERVER_PASSWORD'] != cls._previous_configuration[
'SERVER_PASSWORD']:
purge_http_sessions = True
message_to_log.append(
'Detected a change in the password option in the [Server] section\n'
'Old value => {0}\n'
'New value => {1}\n'.format(
cls._previous_configuration['SERVER_PASSWORD'],
cls._configuration['SERVER_PASSWORD']))
# </editor-fold>
# <editor-fold desc="Detect and handle SERVER_HOSTNAME_<LOOPBACK,PRIVATE,PUBLIC> change">
loopback_hostname_updated = False
private_hostname_updated = False
public_hostname_updated = False
if cls._configuration['SERVER_HOSTNAME_LOOPBACK'] != \
cls._previous_configuration['SERVER_HOSTNAME_LOOPBACK']:
loopback_hostname_updated = True
message_to_log.append(
'Detected a change in the loopback option in the [Hostnames] section\n'
'Old value => {0}\n'
'New value => {1}\n'.format(
cls.
_previous_configuration['SERVER_HOSTNAME_LOOPBACK'],
cls._configuration['SERVER_HOSTNAME_LOOPBACK']))
if cls._configuration[
'SERVER_HOSTNAME_PRIVATE'] != cls._previous_configuration[
'SERVER_HOSTNAME_PRIVATE']:
private_hostname_updated = True
message_to_log.append(
'Detected a change in the private option in the [Hostnames] section\n'
'Old value => {0}\n'
'New value => {1}\n'.format(
cls._previous_configuration['SERVER_HOSTNAME_PRIVATE'],
cls._configuration['SERVER_HOSTNAME_PRIVATE']))
if cls._configuration[
'SERVER_HOSTNAME_PUBLIC'] != cls._previous_configuration[
'SERVER_HOSTNAME_PUBLIC']:
public_hostname_updated = True
message_to_log.append(
'Detected a change in the public option in the [Hostnames] section\n'
'Old value => {0}\n'
'New value => {1}\n'.format(
cls._previous_configuration['SERVER_HOSTNAME_PUBLIC'],
cls._configuration['SERVER_HOSTNAME_PUBLIC']))
if loopback_hostname_updated or private_hostname_updated or public_hostname_updated:
restart_https_server = True
# </editor-fold>
# <editor-fold desc="Detect and handle SERVER_HTTP_PORT change">
if cls._configuration[
'SERVER_HTTP_PORT'] != cls._previous_configuration[
'SERVER_HTTP_PORT']:
restart_http_server = True
message_to_log.append(
'Detected a change in the http option in the [Ports] section\n'
'Old value => {0}\n'
'New value => {1}\n'.format(
cls._previous_configuration['SERVER_HTTP_PORT'],
cls._configuration['SERVER_HTTP_PORT']))
# </editor-fold>
# <editor-fold desc="Detect and handle SERVER_HTTPS_PORT change">
if cls._configuration[
'SERVER_HTTPS_PORT'] != cls._previous_configuration[
'SERVER_HTTPS_PORT']:
restart_https_server = True
message_to_log.append(
'Detected a change in the https option in the [Ports] section\n'
'Old value => {0}\n'
'New value => {1}\n'.format(
cls._previous_configuration['SERVER_HTTPS_PORT'],
cls._configuration['SERVER_HTTPS_PORT']))
# </editor-fold>
if purge_http_sessions:
from iptv_proxy.http_server import HTTPRequestHandler
message_to_log.append(
'Action => Purge all user HTTP/S sessions')
with Database.get_write_lock():
db_session = Database.create_session()
try:
HTTPRequestHandler.purge_http_sessions(db_session)
db_session.commit()
except Exception:
(type_, value_, traceback_) = sys.exc_info()
logger.error('\n'.join(
traceback.format_exception(type_, value_,
traceback_)))
db_session.rollback()
finally:
db_session.close()
if restart_http_server:
from iptv_proxy.controller import Controller
message_to_log.append('Action => Restart HTTP server')
Controller.shutdown_http_server()
Controller.start_http_server()
if restart_https_server:
from iptv_proxy.security import SecurityManager
message_to_log.append('Action => Restart HTTPS server')
if SecurityManager.get_auto_generate_self_signed_certificate():
SecurityManager.generate_self_signed_certificate()
from iptv_proxy.controller import Controller
Controller.shutdown_https_server()
Controller.start_https_server()
if message_to_log:
logger.debug('\n'.join(message_to_log))
for provider_name in sorted(
ProvidersController.get_providers_map_class()):
ProvidersController.get_provider_map_class(
provider_name).configuration_class(
).process_configuration_file_updates(
cls._configuration, cls._previous_configuration)
def run(self):
logger.info(
'Starting recording\n'
'Provider => {0}\n'
'Channel number => {1}\n'
'Channel name => {2}\n'
'Program title => {3}\n'
'Start date & time => {4}\n'
'End date & time => {5}'.format(
self._recording.provider, self._recording.channel_number,
self._recording.channel_name, self._recording.program_title,
self._recording.start_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime('%Y-%m-%d %H:%M:%S'),
self._recording.end_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime('%Y-%m-%d %H:%M:%S')))
self._create_recording_directory_tree()
try:
hls_client = HLSClient(self._id, self._recording.provider.lower(),
self._recording.channel_number)
playlist_m3u8_object = m3u8.loads(
hls_client.download_playlist_m3u8())
chunks_m3u8_object = None
try:
chunks_url = '/live/{0}/{1}'.format(
self._recording.provider.lower(),
playlist_m3u8_object.data['playlists'][0]['uri'])
except IndexError:
chunks_m3u8_object = playlist_m3u8_object
downloaded_segment_file_names = []
while not self._stop_recording_event.is_set():
try:
chunks_m3u8_object = m3u8.loads(
hls_client.download_chunks_m3u8(chunks_url))
except NameError:
if chunks_m3u8_object is None:
chunks_m3u8_object = m3u8.loads(
hls_client.download_playlist_m3u8())
chunks_m3u8_download_date_time_in_utc = datetime.now(pytz.utc)
chunks_m3u8_total_duration = 0
for (segment_index,
segment) in enumerate(chunks_m3u8_object.segments):
segment_url = '/live/{0}'.format(segment.uri)
segment_url_components = urllib.parse.urlparse(segment_url)
segment_file_name = re.sub(r'(/.*)?(/)(.*\.ts)', r'\3',
segment_url_components.path)
if segment_file_name not in downloaded_segment_file_names:
try:
ts_file_content = CacheManager.query_cache(
self._recording.channel_number,
segment_file_name.lower())
if ts_file_content is None:
ts_file_content = hls_client.download_ts_file(
segment_url)
CacheManager.update_cache(
self._recording.channel_number,
segment_file_name.lower(), ts_file_content)
logger.debug(
'Downloaded segment\n'
'Segment => {0}'.format(segment_file_name))
segment.uri = '{0}?recording_id={1}'.format(
segment_file_name,
urllib.parse.quote(self._recording.id))
downloaded_segment_file_names.append(
segment_file_name)
Utility.write_file(
ts_file_content,
os.path.join(self._recording_directory_path,
segment_file_name),
in_binary=True)
with Database.get_write_lock():
db_session = Database.create_session()
try:
db_session.add(
Segment(
segment_file_name,
self._recording.id,
pickle.dumps(segment,
protocol=pickle.
HIGHEST_PROTOCOL),
self._recording_directory_path))
db_session.commit()
except Exception:
(type_, value_,
traceback_) = sys.exc_info()
logger.error('\n'.join(
traceback.format_exception(
type_, value_, traceback_)))
db_session.rollback()
finally:
db_session.close()
except requests.exceptions.HTTPError:
logger.error(
'Failed to download segment\n'
'Segment => {0}'.format(segment_file_name))
else:
logger.debug(
'Skipped segment since it was already downloaded\n'
'Segment => {0} '.format(segment_file_name))
chunks_m3u8_total_duration += segment.duration
current_date_time_in_utc = datetime.now(pytz.utc)
wait_duration = chunks_m3u8_total_duration - (
current_date_time_in_utc -
chunks_m3u8_download_date_time_in_utc).total_seconds()
if wait_duration > 0:
self._stop_recording_event.wait(wait_duration)
chunks_m3u8_object = None
self._recording.status = RecordingStatus.PERSISTED.value
db_session.merge(self._recording)
db_session.commit()
logger.info(
'Finished recording\n'
'Provider => {0}\n'
'Channel number => {1}\n'
'Channel name => {2}\n'
'Program title => {3}\n'
'Start date & time => {4}\n'
'End date & time => {5}'.format(
self._recording.provider, self._recording.channel_number,
self._recording.channel_name,
self._recording.program_title,
self._recording.start_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime('%Y-%m-%d %H:%M:%S'),
self._recording.end_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime(
'%Y-%m-%d %H:%M:%S')))
except (HLSPlaylistDownloadError, ProviderNotFoundError):
if self._stop_recording_event.is_set():
self._recording.status = RecordingStatus.PERSISTED.value
db_session.merge(self._recording)
db_session.commit()
logger.info(
'Finished recording\n'
'Provider => {0}\n'
'Channel number => {1}\n'
'Channel name => {2}\n'
'Program title => {3}\n'
'Start date & time => {4}\n'
'End date & time => {5}'.format(
self._recording.provider,
self._recording.channel_number,
self._recording.channel_name,
self._recording.program_title,
self._recording.start_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime(
'%Y-%m-%d %H:%M:%S'),
self._recording.end_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime(
'%Y-%m-%d %H:%M:%S')))
else:
logger.info(
'Canceling recording\n'
'Provider => {0}\n'
'Channel number => {1}\n'
'Channel name => {2}\n'
'Program title => {3}\n'
'Start date & time => {4}\n'
'End date & time => {5}'.format(
self._recording.provider,
self._recording.channel_number,
self._recording.channel_name,
self._recording.program_title,
self._recording.start_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime(
'%Y-%m-%d %H:%M:%S'),
self._recording.end_date_time_in_utc.astimezone(
tzlocal.get_localzone()).strftime(
'%Y-%m-%d %H:%M:%S')))
finally:
PVR.cleanup_live_recording(self._recording)
