5 from urllib
.parse
import urlparse
6 #from flask_login import current_user, login_required
7 from flask_login
import LoginManager
, UserMixin
, current_user
, login_user
, logout_user
, login_required
8 from flask
import Blueprint
, render_template
, request
, redirect
, flash
, url_for
, jsonify
, g
, current_app
9 from werkzeug
.exceptions
import NotFound
, BadGateway
11 from ..common
.common
import *
12 from ..common
.anticaptcha
import submit_captcha
15 frontend
= Blueprint('youtube', __name__
,
16 template_folder
='templates',
17 static_folder
='static',
18 static_url_path
='/static/yt')
22 return redirect(url_for('.feed'), code
=302)
24 @frontend.route('/feed/subscriptions')
25 # disabled for guest user: @login_required
27 if current_user
.is_anonymous
:
29 if 'welcome_message' in cf
['frontend']:
30 flash(cf
['frontend']['welcome_message'], "welcome")
32 token
= current_user
.token
33 page
= request
.args
.get('page', 0, type=int)
34 with sqlite3
.connect(cf
['global']['database']) as conn
:
37 SELECT videos.id, channel_id, name, title, length, livestream, premiere, published, playlist_videos.playlist_id, display
39 JOIN channels ON videos.channel_id = channels.id
40 LEFT JOIN playlist_videos ON (videos.id = playlist_videos.video_id)
41 LEFT JOIN flags ON (videos.id = flags.video_id) AND (flags.user = ?)
42 WHERE (channel_id IN (SELECT channel_id FROM subscriptions WHERE user=? AND type = 'channel')
43 OR playlist_videos.playlist_id IN (SELECT channel_id FROM subscriptions WHERE user=? AND type = 'playlist')
44 OR flags.display = 'pinned')
45 AND flags.display IS NOT 'hidden'
46 ORDER BY (display = 'pinned') DESC, crawled DESC
48 OFFSET 36*?""", (token
, token
, token
, page
))
51 'channel_id': channel_id
,
55 'livestream': livestream
,
57 'published': published
,
59 'pinned': display
== 'pinned',
60 } for (video_id
, channel_id
, author
, title
, length
, livestream
, premiere
, published
, playlist
, display
) in c
.fetchall()]
61 return render_template('index.html.j2', rows
=rows
, page
=page
)
63 @frontend.route('/watch')
65 if current_user
.is_anonymous
:
68 token
= current_user
.token
70 if not 'v' in request
.args
:
71 return "missing video id", 400
72 if len(request
.args
.get('v')) != 11:
73 return "malformed video id", 400
76 'content-type': 'text/plain',
77 'Link': "<data:text/css,body%7Bcolor:%23eee;background:%23333%7D>; rel=stylesheet;"
80 video_id
= request
.args
.get('v')
81 show
= request
.args
.get("show")
82 video_url
, stream_map
, metadata
, error
, errdetails
= get_video_info(video_id
, metaOnly
=(show
== 'meta'))
84 proxy_on
= getattr(g
, 'proxy_on', None)
86 False: "Log in to use proxy.", # proxy for logged-in users only
87 None: "", # proxy disabled globally
88 True: "", # proxy is available to this user
90 extra
= {'geolocked':'local=1', 'livestream':'raw=0'}.get(error
,'')
91 invidious_url
= f
"https://invidious.snopyta.org/watch?v={video_id}&{extra}"
93 'banned': "Instance is being rate limited.",
94 'malformed': "Video ID is invalid.",
95 'geolocked': f
"This video is geolocked. {proxy_msg}",
96 'livestream': f
"Livestreams disabled. {proxy_msg}",
97 'agegated': "Unable to bypass age-restriction.",
98 'no-url': "No muxed stream available.",
99 'exhausted': errdetails
or "Couldn't extract video URLs.",
100 'player': errdetails
,
103 # if the video is geolocked, and the proxy is enabled, we can still play
104 # it, if the video is available in the instance server's region:
105 if error
== 'geolocked' and video_url
and proxy_on
:
106 videoplayback
= url_for('proxy.videoplayback')
107 query
= urlparse(video_url
).query
108 video_url
= f
"{videoplayback}?{query}"
109 for t
in ('adaptive_video', 'adaptive_audio', 'muxed'):
110 for s
in stream_map
[t
]:
111 query
= urlparse(s
['url']).query
112 s
['url'] = f
"{videoplayback}?{query}"
115 # if the proxy is enabled, we can also play livestreams:
116 if error
== 'livestream' and proxy_on
:
117 # Note: hlsManifestUrl's hostname will be replaced client-side
118 video_url
= stream_map
['hlsManifestUrl']
121 # if the instance is blocked, try submitting a job to the anti captcha service:
122 if error
== 'banned' and cf
['captcha']['api_key']:
123 r2
= requests
.get(f
'https://www.youtube.com/watch?v={video_id}&hl=en&gl=US')
124 status
= submit_captcha(r2
)
126 raise Exception("we are banned, but captcha wasn't triggered!")
128 message
= "right now" if status
is True else f
"{int(status)} seconds ago"
129 raise BadGateway(f
"""
130 {errdetails} An attempt at getting unblocked has been made {message}.
131 Please try again in 30 seconds.
136 msg
= errdetails
if error
=='player' else f
"{error.upper()}: {errdetails}"
137 return f
"{msg}\n\nRedirecting to Invidious.", 502, {
138 'Refresh': f
'2; URL={invidious_url}&raw=1',
140 return redirect(video_url
, code
=307)
142 if error
and not metadata
:
143 return {'error': True, error
: errdetails
}, 400 # TODO: better (test _CpR4o81XQc)
144 return jsonify(metadata
)
145 elif show
== "audio":
146 # sorting: we want to prioritize mp4a over opus, and sort by highest quality first
147 # todo: geolocking; prefer open format?
148 if error
and not stream_map
:
149 msg
= errdetails
if error
=='player' else f
"{error.upper()}: {errdetails}"
150 return msg
, 400, plaintextheaders
# TODO: nicer
151 stream
= next(iter(sorted(
152 stream_map
['adaptive_audio'],
153 key
=lambda e
: ('opus' not in e
['mimeType'], e
['bitrate']),
156 return redirect(stream
)
158 # this is the subset of (useful) keys that are not present in the
159 # Android API response. the special key '_' contains ready-to-use
160 # parsed versions of that data.
161 if error
and not metadata
:
162 return {'error': True, error
: errdetails
}, 400 # TODO: better (test _CpR4o81XQc)
163 parsed
= microformat_parser(metadata
)
164 return {'microformat': metadata
.get('microformat'),'cards':metadata
.get('cards'), '_':parsed
}
166 if error
and not metadata
: # e.g. malformed, private/deleted video, ...
167 return render_template('video-error.html.j2', video_id
=video_id
,
168 video_error
=error
, errdetails
=errdetails
, invidious_url
=invidious_url
)
169 meta
= prepare_metadata(metadata
)
170 with sqlite3
.connect(cf
['global']['database']) as conn
:
174 SELECT 1 FROM subscriptions WHERE channel_id = ? AND user = ?
176 SELECT 1 FROM flags WHERE video_id = ? AND display = 'pinned' AND user = ?
177 ))""", (meta
['channel_id'], token
, video_id
, token
))
178 (is_subscribed
, is_pinned
) = c
.fetchone()
179 return render_template('watch.html.j2',
180 video_id
=video_id
, video_url
=video_url
, stream_map
=stream_map
,
181 video_error
=error
, errdetails
=errdetails
, invidious_url
=invidious_url
,
182 is_pinned
=is_pinned
, is_subscribed
=is_subscribed
,
185 @frontend.route('/embed/videoseries')
186 def embed_videoseries():
187 return redirect(url_for('.playlist', list=request
.args
.get('list')))
188 @frontend.route('/embed/<video_id>', strict_slashes
=False)
190 if video_id
== "videoseries":
191 return redirect(url_for('.playlist', list=request
.args
.get('list')))
193 return redirect(url_for('.watch', v
=video_id
, t
=request
.args
.get('start')))
195 @frontend.route('/<something>', strict_slashes
=False)
196 def plain_user_or_video(something
):
197 # yt.com interprets this as a username, but we also want to catch youtu.be
198 # short-urls. so we check if it's a channel by querying the RSS feed (this
199 # shoudn't be rate-limited); if that fails, check if it looks like a video
200 # id; or finally give up.
201 if '.' not in something
and channel_exists(something
):
202 # periods are not valid in usernames, vanity urls or ucids, but common
203 # in urls that get crawled by bots (e.g. index.php). failing early
204 # reduces the amount of invalid channel names getting looked up.
205 return redirect(url_for('.channel', channel_id
=something
))
206 elif re
.match(r
"^[-_0-9A-Za-z]{11}$", something
): # looks like a video id
207 return redirect(url_for('.watch', v
=something
, t
=request
.args
.get('t')))
208 else: # ¯\_(ツ)_/¯
209 # XXX: something == 'thethoughtemporium' -> 404s
210 raise NotFound("Note: some usernames not recognized; try searching it")
212 @frontend.route('/channel/<channel_id>/<subpage>')
213 @frontend.route('/user/<channel_id>/<subpage>')
214 @frontend.route('/c/<channel_id>/<subpage>')
215 @frontend.route('/channel/<channel_id>/')
216 @frontend.route('/user/<channel_id>/')
217 @frontend.route('/c/<channel_id>/')
218 def channel(channel_id
, _
=None):
219 token
= getattr(current_user
, 'token', 'guest')
221 if re
.match(r
"(UC[A-Za-z0-9_-]{22})", channel_id
):
222 xmlfeed
= fetch_xml("channel_id", channel_id
)
224 xmlfeed
= fetch_xml("user", channel_id
)
227 return "not found or something", 404 # XXX
228 title
, author
, videos
, channel_id
, _
= parse_xml(xmlfeed
)
230 with sqlite3
.connect(cf
['global']['database']) as conn
:
235 WHERE channel_id = ? AND user = ?
236 """, (channel_id
, token
))
237 (is_subscribed
,) = c
.fetchone()
239 return render_template('xmlfeed.html.j2', title
=author
, rows
=videos
,
240 is_subscribed
=is_subscribed
, channel_id
=channel_id
)
242 @frontend.route('/playlist')
244 playlist_id
= request
.args
.get('list')
246 return "bad list id", 400 # todo
248 xmlfeed
= fetch_xml("playlist_id", playlist_id
)
250 return "not found or something", 404 # XXX
251 title
, author
, videos
, _
, _
= parse_xml(xmlfeed
)
252 return render_template('xmlfeed.html.j2', title
=f
"{title} by {author}", rows
=videos
)
254 @frontend.route('/api/timedtext')
256 r
= requests
.get("https://www.youtube.com/api/timedtext", request
.args
.to_dict())
257 # Note: in srv1 format, xmlentities are double-encoded m( a smart quote is
258 # even worse: it's '&39;<smartquote>' wtf!? (at least vvt seems ok)
260 return "error: {r.text}", 400 # TODO: better
262 if request
.args
.get('fmt') == 'vtt' and request
.args
.get('kind') == 'asr':
263 # autocaptions are extremely confusing, and stuck in the lower-left corner. fix it up a bit
264 retval
= re
.sub(r
"<.+?>", "", retval
) # remove inline html-like markup that times each word/adds styles
265 retval
= retval
.replace("align:start position:0%", "") # let browser position the text itself
266 # each subtitle-line is repeated twice (first on the lower line, then
267 # on the next "frame" on the upper line). we want to remove the
268 # repetition, as that's confusing without word and line animations:
269 lines
= retval
.split('\n')
270 retval
= '\n'.join([line
for line
, prev
in zip(lines
, ['']+lines
) if not " --> " in prev
])
271 return retval
, {'Content-Type': r
.headers
.get("Content-Type")}
273 @frontend.route('/manage/subscriptions')
274 # disabled for guest user: @login_required
275 def subscription_manager():
276 if current_user
.is_anonymous
:
279 token
= current_user
.token
280 with sqlite3
.connect(cf
['global']['database']) as conn
:
281 #with conn.cursor() as c:
284 SELECT subscriptions.channel_id, name, type,
285 (subscribed_until < datetime('now')) AS obsolete
287 LEFT JOIN (SELECT name, id FROM channels
289 SELECT name, id FROM playlists
290 ) AS channels ON channels.id = subscriptions.channel_id
291 left JOIN websub ON channels.id = websub.channel_id
293 AND subscriptions.type IN ('channel', 'playlist')
294 ORDER BY obsolete=0, name COLLATE NOCASE ASC""", (token
,))
296 'channel_id': channel_id
,
297 'author': author
or channel_id
,
299 'subscribed_until': subscribed_until
300 } for (channel_id
, author
, type, subscribed_until
) in c
.fetchall()]
301 return render_template('subscription_manager.html.j2', rows
=rows
)
303 @frontend.route('/feed/subscriptions', methods
=['POST'])
306 token
= current_user
.token
307 action
= next(request
.form
.keys(), None)
308 if action
in ['pin', 'unpin', 'hide', 'unhide']:
309 video_id
= request
.form
.get(action
)
316 with sqlite3
.connect(cf
['global']['database']) as conn
:
318 store_video_metadata(video_id
) # only needed for pinning
320 INSERT OR REPLACE INTO flags (user, video_id, display)
322 """, (token
, video_id
, display
))
323 undo_flash(video_id
, action
)
325 flash("unsupported action", "error")
326 return redirect(request
.url
, code
=303)
328 @frontend.route('/manage/subscriptions', methods
=['POST'])
330 def manage_subscriptions():
331 token
= current_user
.token
332 if 'subscribe' in request
.form
:
333 some_id
= request
.form
.get("subscribe")
334 match
= re
.search(r
"(UC[A-Za-z0-9_-]{22})", some_id
)
336 some_id
= match
.group(1)
339 match
= re
.search(r
"((?:PL|LL|EC|UU|FL|UL|OL)[A-Za-z0-9_-]{10,})", some_id
)
340 if match
: # NOTE: PL-playlists are 32chars, others differ in length.
341 some_id
= match
.group(1)
344 flash("not a valid/subscribable URI", "error")
345 return redirect(request
.url
, code
=303)
346 with sqlite3
.connect(cf
['global']['database']) as conn
:
347 #with conn.cursor() as c:
350 INSERT OR IGNORE INTO subscriptions (user, channel_id, type)
352 """, (token
, some_id
, id_type
))
353 # TODO: sql-error-handling, asynchronically calling update-subs.pl
354 undo_flash(some_id
, 'subscribe')
356 elif 'unsubscribe' in request
.form
:
357 some_id
= request
.form
.get("unsubscribe")
358 with sqlite3
.connect(cf
['global']['database']) as conn
:
359 #with conn.cursor() as c:
362 DELETE FROM subscriptions
363 WHERE user = ? AND channel_id = ?
364 """, (token
, some_id
))
365 # TODO: sql-error-handling, report success
366 undo_flash(some_id
, 'unsubscribe')
369 flash("unsupported action", "error")
371 return redirect(request
.url
, code
=303)
373 @frontend.route('/vi/<vid>/<res>.jpg')
374 def redirect_thumbnails(vid
, res
):
375 return redirect(f
"https://i.ytimg.com{request.path}", code
=301)
378 def redirect_youtube_dot_com(state
):
380 This is executed when the blueprint is loaded dynamically builds a number
381 of routes so that URLs like
382 https://subscriptions.gir.st/https://www.youtube.com/watch?v=dQw4w9WgXcQ
383 redirect to the /watch page. Works with /watch, /embed/ and youtu.be short
384 links, with or without protocl and/or 'www'.
386 def real_redirect_youtube_dot_com(video_id
=None):
387 if not re
.match(r
"^[-_0-9A-Za-z]{11}$", video_id
or ''): video_id
= None
388 if not video_id
: video_id
= request
.args
.get('v')
389 return redirect(url_for('.watch', v
=video_id
))
391 for protocol
in ("", "http://", "https://"):
392 for prefix
in ("", "www.", "m."):
393 for domain
in ("youtube.com", "youtu.be", "youtube-nocookie.com"):
394 for urlpath
in ("/watch", "/embed/<video_id>", "/<video_id>"):
395 if domain
!= "youtu.be" and urlpath
== "/<video_id>":
396 continue # that's a channel, not a video
397 frontend
.add_url_rule(
398 f
"/{protocol}{prefix}{domain}{urlpath}",
399 view_func
=real_redirect_youtube_dot_com
,
403 def undo_flash(thing_id
, action
):
404 undo_action
, past_action
= {
405 'pin': ('unpin', 'pinned'),
406 'unpin': ('pin', 'unpinned'),
407 'hide': ('unhide', 'hidden'),
408 'unhide': ('hide', 'unhidden'),
409 'subscribe': ('unsubscribe', 'subscribed'),
410 'unsubscribe': ('subscribe', 'unsubscribed'),
412 if 'subscribe' in action
and thing_id
.startswith('UC'):
414 thing_url
= url_for('.channel', channel_id
=thing_id
)
415 elif 'subscribe' in action
:
417 thing_url
= url_for('.playlist', playlist_id
=thing_id
)
420 thing_url
= url_for('.watch', v
=thing_id
)
422 <form method=post><input type=hidden name="{undo_action}" value="{thing_id}">
423 <a href="{thing_url}">{thing}</a> {past_action}.
424 <label><input type="submit" hidden>
425 <span style="text-decoration:underline;cursor:pointer">undo</span>.
426 </label></form>''', "info")
428 @frontend.app_template_filter('format_date')
430 import datetime
# can't import at top level, because it is inherited from common
431 (y
,m
,d
) = (int(n
) for n
in s
.split('T')[0].split(' ')[0].split('-')) # iso-dates can seperate date from time with space or 'T'
432 M
= '_ Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec'.split()
433 if y
== datetime
.datetime
.now().year
:
436 return f
"{M[m]} '{y%100}"
438 @frontend.app_template_filter('format_time')
445 return '%d:%02d:%02d' % (h
,m
,s
) if h
else '%02d:%02d' % (m
,s
)
447 @frontend.app_template_filter('timeoffset')
451 match
= re
.match(r
"^(\d+)s?$", s
) # e.g. 2040s
453 return match
.group(1)
454 match
= re
.match(r
"^(?:(\d+)h)?(?:(\d+)m)?(?:(\d+)s)?$", s
) # e.g. 34m, 1h23s
456 return ":".join([n
.zfill(2) for n
in match
.groups('0')])