epicyon/webapp_media.py

343 lines
13 KiB
Python

__filename__ = "webapp_media.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.3.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@libreserver.org"
__status__ = "Production"
__module_group__ = "Timeline"
import os
from utils import valid_url_prefix
def load_peertube_instances(base_dir: str, peertube_instances: []) -> None:
"""Loads peertube instances from file into the given list
"""
peertube_list = None
peertube_instances_filename = base_dir + '/accounts/peertube.txt'
if os.path.isfile(peertube_instances_filename):
with open(peertube_instances_filename, 'r',
encoding='utf-8') as fp_inst:
peertube_str = fp_inst.read()
if peertube_str:
peertube_str = peertube_str.replace('\r', '')
peertube_list = peertube_str.split('\n')
if not peertube_list:
return
for url in peertube_list:
if url in peertube_instances:
continue
peertube_instances.append(url)
def _add_embedded_video_from_sites(translate: {}, content: str,
peertube_instances: [],
width: int, height: int) -> str:
"""Adds embedded videos
"""
if '>vimeo.com/' in content:
url = content.split('>vimeo.com/')[1]
if '<' in url:
url = url.split('<')[0]
content += \
"<center>\n<span itemprop=\"video\">\n" + \
"<iframe loading=\"lazy\" decoding=\"async\" " + \
"src=\"https://player.vimeo.com/video/" + \
url + "\" width=\"" + str(width) + \
"\" height=\"" + str(height) + \
"\" frameborder=\"0\" allow=\"" + \
"fullscreen\" allowfullscreen " + \
"tabindex=\"10\"></iframe>\n" + \
"</span>\n</center>\n"
return content
video_site = 'https://www.youtube.com'
if 'https://m.youtube.com' in content:
content = content.replace('https://m.youtube.com', video_site)
if '"' + video_site in content:
url = content.split('"' + video_site)[1]
if '"' in url:
url = url.split('"')[0]
if '/channel/' not in url and '/playlist' not in url:
url = url.replace('/watch?v=', '/embed/')
if '&' in url:
url = url.split('&')[0]
if '?utm_' in url:
url = url.split('?utm_')[0]
content += \
"<center>\n<span itemprop=\"video\">\n" + \
"<iframe loading=\"lazy\" " + \
"decoding=\"async\" src=\"" + \
video_site + url + "\" width=\"" + str(width) + \
"\" height=\"" + str(height) + \
"\" frameborder=\"0\" allow=\"fullscreen\" " + \
"allowfullscreen tabindex=\"10\"></iframe>\n" + \
"</span></center>\n"
return content
video_site = 'https://youtu.be/'
if '"' + video_site in content:
url = content.split('"' + video_site)[1]
if '"' in url:
url = url.split('"')[0]
if '/channel/' not in url and '/playlist' not in url:
url = 'embed/' + url
if '&' in url:
url = url.split('&')[0]
if '?utm_' in url:
url = url.split('?utm_')[0]
video_site = 'https://www.youtube.com/'
content += \
"<center>\n<span itemprop=\"video\">\n" + \
"<iframe loading=\"lazy\" " + \
"decoding=\"async\" src=\"" + \
video_site + url + "\" width=\"" + str(width) + \
"\" height=\"" + str(height) + \
"\" frameborder=\"0\" allow=\"fullscreen\" " + \
"allowfullscreen tabindex=\"10\"></iframe>\n" + \
"</span></center>\n"
return content
invidious_sites = (
'https://invidious.snopyta.org',
'https://yewtu.be',
'https://tube.connect.cafe',
'https://invidious.kavin.rocks',
'https://invidiou.site',
'https://invidious.tube',
'https://invidious.xyz',
'https://invidious.zapashcanon.fr',
'http://c7hqkpkpemu6e7emz5b4vy' +
'z7idjgdvgaaa3dyimmeojqbgpea3xqjoid.onion',
'http://axqzx4s6s54s32yentfqojs3x5i7faxza6xo3ehd4' +
'bzzsg2ii4fv2iid.onion'
)
for video_site in invidious_sites:
if '"' + video_site in content:
url = content.split('"' + video_site)[1]
if '"' in url:
url = url.split('"')[0].replace('/watch?v=', '/embed/')
if '&' in url:
url = url.split('&')[0]
if '?utm_' in url:
url = url.split('?utm_')[0]
# explicitly turn off autoplay
if '?' in url:
if '&autoplay=' not in url:
url += '&autoplay=0'
else:
url = url.replace('&autoplay=1', '&autoplay=0')
else:
if '?autoplay=' not in url:
url += '?autoplay=0'
else:
url = url.replace('?autoplay=1', '?autoplay=0')
content += \
"<center>\n<span itemprop=\"video\">\n" + \
"<iframe loading=\"lazy\" " + \
"decoding=\"async\" src=\"" + \
video_site + url + "\" width=\"" + \
str(width) + "\" height=\"" + str(height) + \
"\" frameborder=\"0\" allow=\"fullscreen\" " + \
"allowfullscreen tabindex=\"10\"></iframe>\n" + \
"</span>\n</center>\n"
return content
video_site = 'https://media.ccc.de'
if '"' + video_site in content:
url = content.split('"' + video_site)[1]
if '"' in url:
url = url.split('"')[0]
video_site_settings = ''
if '#' in url:
video_site_settings = '#' + url.split('#', 1)[1]
url = url.split('#')[0]
if not url.endswith('/oembed'):
url = url + '/oembed'
url += video_site_settings
content += \
"<center>\n<span itemprop=\"video\">\n" + \
"<iframe loading=\"lazy\" " + \
"decoding=\"async\" src=\"" + \
video_site + url + "\" width=\"" + \
str(width) + "\" height=\"" + str(height) + \
"\" frameborder=\"0\" allow=\"fullscreen\" " + \
"allowfullscreen tabindex=\"10\"></iframe>\n" + \
"</span>\n</center>\n"
return content
if '"https://' in content:
if peertube_instances:
# only create an embedded video for a limited set of
# peertube sites.
peertube_sites = peertube_instances
else:
# A default minimal set of peertube instances
# Also see https://peertube_isolation.frama.io/list/ for
# adversarial instances. Nothing in that list should be
# in the defaults below.
peertube_sites = (
'share.tube',
'visionon.tv',
'anarchy.tube',
'peertube.fr',
'video.nerdcave.site',
'kolektiva.media',
'peertube.social',
'videos.lescommuns.org'
)
for site in peertube_sites:
site = site.strip()
if not site:
continue
if len(site) < 5:
continue
if '.' not in site:
continue
site_str = site
if site.startswith('http://'):
site = site.replace('http://', '')
elif site.startswith('https://'):
site = site.replace('https://', '')
if site.endswith('.onion') or site.endswith('.i2p'):
site_str = 'http://' + site
else:
site_str = 'https://' + site
site_str = '"' + site_str
if site_str not in content:
continue
url = content.split(site_str)[1]
if '"' not in url:
continue
url = url.split('"')[0]
if '/c/' in url:
# don't try to embed peertube channel page
continue
if '?sort=' in url:
# don't try to embed a sorted list
continue
if '/w/' in url:
if '/videos/' not in url:
url = url.replace('/w/', '/videos/embed/')
else:
url = url.replace('/w/', '/embed/')
url = url.replace('/watch/', '/embed/')
content += \
"<center>\n<span itemprop=\"video\">\n" + \
"<iframe loading=\"lazy\" decoding=\"async\" " + \
"sandbox=\"allow-same-origin " + \
"allow-scripts\" src=\"https://" + \
site + url + "\" width=\"" + str(width) + \
"\" height=\"" + str(height) + \
"\" frameborder=\"0\" allow=\"" + \
"fullscreen\" allowfullscreen tabindex=\"10\">' + \
'</iframe>\n" + \
"</span>\n</center>\n"
return content
return content
def _add_embedded_audio(translate: {}, content: str) -> str:
"""Adds embedded audio for mp3/ogg/opus
"""
if not ('.mp3' in content or
'.ogg' in content or
'.opus' in content or
'.flac' in content):
return content
if '<audio ' in content:
return content
extension = '.mp3'
if '.ogg' in content:
extension = '.ogg'
elif '.opus' in content:
extension = '.opus'
elif '.flac' in content:
extension = '.flac'
words = content.strip('\n').split(' ')
for wrd in words:
if extension not in wrd:
continue
wrd = wrd.replace('href="', '').replace('">', '')
if wrd.endswith('.'):
wrd = wrd[:-1]
if wrd.endswith('"'):
wrd = wrd[:-1]
if wrd.endswith(';'):
wrd = wrd[:-1]
if wrd.endswith(':'):
wrd = wrd[:-1]
if not wrd.endswith(extension):
continue
if not valid_url_prefix(wrd):
continue
content += \
'<center>\n<span itemprop="audio">' + \
'<audio controls tabindex="10">\n' + \
'<source src="' + wrd + '" type="audio/' + \
extension.replace('.', '') + '">' + \
translate['Your browser does not support the audio element.'] + \
'</audio>\n</span>\n</center>\n'
return content
def _add_embedded_video(translate: {}, content: str) -> str:
"""Adds embedded video for mp4/webm/ogv
"""
if not ('.mp4' in content or '.webm' in content or '.ogv' in content):
return content
if '<video ' in content:
return content
extension = '.mp4'
if '.webm' in content:
extension = '.webm'
elif '.ogv' in content:
extension = '.ogv'
words = content.strip('\n').split(' ')
for wrd in words:
if extension not in wrd:
continue
wrd = wrd.replace('href="', '').replace('">', '')
if wrd.endswith('.'):
wrd = wrd[:-1]
if wrd.endswith('"'):
wrd = wrd[:-1]
if wrd.endswith(';'):
wrd = wrd[:-1]
if wrd.endswith(':'):
wrd = wrd[:-1]
if not wrd.endswith(extension):
continue
if not valid_url_prefix(wrd):
continue
content += \
'<center><span itemprop="video">\n' + \
'<figure id="videoContainer" ' + \
'data-fullscreen="false">\n' + \
' <video id="video" controls ' + \
'preload="metadata" tabindex="10">\n' + \
'<source src="' + wrd + '" type="video/' + \
extension.replace('.', '') + '">\n' + \
translate['Your browser does not support the video element.'] + \
'</video>\n</figure>\n</span>\n</center>\n'
return content
def add_embedded_elements(translate: {}, content: str,
peertube_instances: []) -> str:
"""Adds embedded elements for various media types
"""
content = _add_embedded_video_from_sites(translate, content,
peertube_instances, 400, 300)
content = _add_embedded_audio(translate, content)
return _add_embedded_video(translate, content)