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"""
MIT License
Copyright (C) 2023 ROCKY4546
https://github.com/rocky4546
This file is part of Cabernet
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the “Software”), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute,
sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.
"""
import io
import logging
import urllib.request
from io import StringIO
from xml.sax.saxutils import escape
import lib.common.utils as utils
from lib.clients.channels.templates import ch_templates
from lib.common.decorators import getrequest
from lib.db.db_channels import DBChannels
import lib.image_size.get_image_size as get_image_size
from lib.common.decorators import handle_url_except
@getrequest.route('/playlist')
def playlist(_webserver):
_webserver.send_response(302)
_webserver.send_header('Location', _webserver.path.replace('playlist', 'channels.m3u'))
_webserver.end_headers()
@getrequest.route('/channels.m3u')
def channels_m3u(_webserver):
_webserver.do_mime_response(200, 'audio/x-mpegurl', get_channels_m3u(
_webserver.config, _webserver.stream_url,
_webserver.query_data['name'],
_webserver.query_data['instance'],
_webserver.plugins.plugins
))
@getrequest.route('/lineup.xml')
def lineup_xml(_webserver):
_webserver.do_mime_response(200, 'application/xml', get_channels_xml(
_webserver.config, _webserver.stream_url,
_webserver.query_data['name'],
_webserver.query_data['instance'],
_webserver.plugins.plugins
))
@getrequest.route('/lineup.json')
def lineup_json(_webserver):
_webserver.do_mime_response(200, 'application/json', get_channels_json(
_webserver.config, _webserver.stream_url,
_webserver.query_data['name'],
_webserver.query_data['instance'],
_webserver.plugins.plugins
))
def get_channels_m3u(_config, _base_url, _namespace, _instance, _plugins):
format_descriptor = '#EXTM3U'
record_marker = '#EXTINF'
ch_obj = ChannelsURL(_config, _base_url)
db = DBChannels(_config)
ch_data = db.get_channels(_namespace, _instance)
fakefile = StringIO()
fakefile.write(
'%s\n' % format_descriptor
)
sids_processed = []
for sid, sid_data_list in ch_data.items():
for sid_data in sid_data_list:
if sid in sids_processed:
continue
if not sid_data['enabled'] \
or not _plugins.get(sid_data['namespace']) \
or not _plugins[sid_data['namespace']].enabled:
continue
if not _plugins[sid_data['namespace']] \
.plugin_obj.instances[sid_data['instance']].enabled:
continue
config_section = utils.instance_config_section(sid_data['namespace'], sid_data['instance'])
if not _config[config_section]['enabled']:
continue
sids_processed.append(sid)
stream = _config[config_section]['player-stream_type']
if stream == 'm3u8redirect' and sid_data['json'].get('stream_url'):
uri = sid_data['json']['stream_url']
else:
uri = ch_obj.set_uri(sid_data)
# NOTE tvheadend supports '|' separated names in two attributes
# either 'group-title' or 'tvh-tags'
# if a ';' is used in group-title, tvheadend will use the
# entire string as a tag
groups = sid_data['namespace']
inst_group = _config[config_section]['channel-group_name']
if inst_group is not None:
groups += '|' + inst_group
if sid_data['group_tag']:
groups += '|' + '|'.join([sid_data['group_tag']])
if sid_data['json']['HD']:
if sid_data['json']['group_hdtv']:
groups += '|' + sid_data['json']['group_hdtv']
elif sid_data['json']['group_sdtv']:
groups += '|' + sid_data['json']['group_sdtv']
updated_chnum = utils.wrap_chnum(
str(sid_data['display_number']), sid_data['namespace'],
sid_data['instance'], _config)
service_name = ch_obj.set_service_name(sid_data)
fakefile.write(
'%s\n' % (
record_marker + ':-1' + ' ' +
'channelID="' + sid + '" ' +
'tvg-num="' + updated_chnum + '" ' +
'tvg-chno="' + updated_chnum + '" ' +
'tvg-name="' + sid_data['display_name'] + '" ' +
'tvg-id="' + sid + '" ' +
(('tvg-logo="' + sid_data['thumbnail'] + '" ')
if sid_data['thumbnail'] else '') +
'group-title="' + groups + '",' + service_name
)
)
fakefile.write(
'%s\n' % (
(
uri
)
)
)
return fakefile.getvalue()
def get_channels_json(_config, _base_url, _namespace, _instance, _plugins):
db = DBChannels(_config)
ch_obj = ChannelsURL(_config, _base_url)
ch_data = db.get_channels(_namespace, _instance)
return_json = ''
sids_processed = []
for sid, sid_data_list in ch_data.items():
for sid_data in sid_data_list:
if sid in sids_processed:
continue
sids_processed.append(sid)
if not sid_data['enabled']:
continue
if not _plugins.get(sid_data['namespace']):
continue
if not _plugins[sid_data['namespace']].enabled:
continue
if not _plugins[sid_data['namespace']] \
.plugin_obj.instances[sid_data['instance']].enabled:
continue
config_section = utils.instance_config_section(sid_data['namespace'], sid_data['instance'])
if not _config[config_section]['enabled']:
continue
sids_processed.append(sid)
stream = _config[config_section]['player-stream_type']
if stream == 'm3u8redirect':
uri = sid_data['json']['stream_url']
else:
uri = ch_obj.set_uri(sid_data)
updated_chnum = utils.wrap_chnum(
str(sid_data['display_number']), sid_data['namespace'],
sid_data['instance'], _config)
return_json = return_json + ch_templates['jsonLineup'].format(
sid_data['json']['callsign'],
updated_chnum,
sid_data['display_name'],
uri,
sid_data['json']['HD'])
return_json = return_json + ','
return "[" + return_json[:-1] + "]"
def get_channels_xml(_config, _base_url, _namespace, _instance, _plugins):
db = DBChannels(_config)
ch_obj = ChannelsURL(_config, _base_url)
ch_data = db.get_channels(_namespace, _instance)
return_xml = ''
sids_processed = []
for sid, sid_data_list in ch_data.items():
for sid_data in sid_data_list:
if sid in sids_processed:
continue
if not sid_data['enabled']:
continue
if not _plugins.get(sid_data['namespace']):
continue
if not _plugins[sid_data['namespace']].enabled:
continue
if not _plugins[sid_data['namespace']] \
.plugin_obj.instances[sid_data['instance']].enabled:
continue
config_section = utils.instance_config_section(sid_data['namespace'], sid_data['instance'])
if not _config[config_section]['enabled']:
continue
sids_processed.append(sid)
stream = _config[config_section]['player-stream_type']
if stream == 'm3u8redirect':
uri = sid_data['json']['stream_url']
uri = escape(uri)
else:
uri = escape(ch_obj.set_uri(sid_data))
updated_chnum = utils.wrap_chnum(
str(sid_data['display_number']), sid_data['namespace'],
sid_data['instance'], _config)
return_xml = return_xml + ch_templates['xmlLineup'].format(
updated_chnum,
escape(sid_data['display_name']),
uri,
sid_data['json']['HD'])
return "<Lineup>" + return_xml + "</Lineup>"
class ChannelsURL:
def __init__(self, _config, _base_url):
self.logger = logging.getLogger(__name__)
self.config = _config
self.base_url = _base_url
def update_channels(self, _namespace, _query_data):
db = DBChannels(self.config)
ch_data = db.get_channels(_namespace, None)
results = 'Status Results<ul>'
for key, values in _query_data.items():
key_pair = key.split('-', 2)
uid = key_pair[0].replace('%2d', '-')
instance = key_pair[1]
name = key_pair[2]
value = values[0]
if name == 'enabled':
value = int(value)
db_value = None
ch_db = None
for ch_db in ch_data[uid]:
if ch_db['instance'] == instance:
db_value = ch_db[name]
break
if value != db_value:
if value is None:
lookup_name = self.translate_main2json(name)
if lookup_name is not None:
value = ch_db['json'][lookup_name]
if name == 'display_number':
config_section = utils.instance_config_section(ch_db['namespace'], instance)
start_ch = self.config[config_section].get('channel-start_ch_num')
if start_ch > -1:
results += ''.join(['<li>ERROR: Starting Ch Number setting is not default (-1) [', uid, '][', instance, '][', name, '] not changed', '</li>'])
continue
results += ''.join(['<li>Updated [', uid, '][', instance, '][', name, '] to ', str(value), '</li>'])
ch_db[name] = value
if name == 'thumbnail':
thumbnail_size = self.get_thumbnail_size(value)
ch_db['thumbnail_size'] = thumbnail_size
db.update_channel(ch_db)
results += '</ul><hr>'
return results
def translate_main2json(self, _name):
if _name == 'display_number':
return 'number'
elif _name == 'display_name':
return 'name'
elif _name == 'thumbnail':
return _name
else:
return None
@handle_url_except()
def get_thumbnail_size(self, _thumbnail):
thumbnail_size = (0, 0)
if _thumbnail is None or _thumbnail == '':
return thumbnail_size
h = {'User-Agent': utils.DEFAULT_USER_AGENT,
'Accept': '*/*',
'Accept-Encoding': 'identity',
'Connection': 'Keep-Alive'
}
req = urllib.request.Request(_thumbnail, headers=h)
with urllib.request.urlopen(req) as resp:
img_blob = resp.read()
fp = io.BytesIO(img_blob)
sz = len(img_blob)
thumbnail_size = get_image_size.get_image_size_from_bytesio(fp, sz)
return thumbnail_size
def set_service_name(self, _sid_data):
"""
Returns the service name used to sync with the EPG channel name
"""
updated_chnum = utils.wrap_chnum(
str(_sid_data['display_number']), _sid_data['namespace'],
_sid_data['instance'], self.config)
if self.config['epg']['epg_channel_number']:
return updated_chnum + \
' ' + _sid_data['display_name']
else:
return _sid_data['display_name']
def set_uri(self, _sid_data):
if self.config['epg']['epg_use_channel_number']:
updated_chnum = utils.wrap_chnum(
str(_sid_data['display_number']), _sid_data['namespace'],
_sid_data['instance'], self.config)
uri = '{}{}/{}/auto/v{}'.format(
'http://', self.base_url, _sid_data['namespace'], updated_chnum)
else:
uri = '{}{}/{}/watch/{}'.format(
'http://', self.base_url, _sid_data['namespace'], str(_sid_data['uid']))
return uri
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