server.py 21.7 KB
Newer Older
1
from flask import Flask, g, request, url_for, redirect, session, render_template, flash, Response, make_response
2
from werkzeug.routing import Rule
3
from functools import wraps
Julian Rother's avatar
Julian Rother committed
4
from datetime import date, timedelta, datetime, time, MINYEAR
5
import os
6
import sys
Julian Rother's avatar
Julian Rother committed
7
import hashlib
8
import random
9
import traceback
10
import string
11
from socket import gethostname
Julian Rother's avatar
Julian Rother committed
12
from ipaddress import ip_address, ip_network
13
import math
Julian Rother's avatar
Julian Rother committed
14
import locale
15
import base64
16
import json
Julian Rother's avatar
Julian Rother committed
17
18

locale.setlocale(locale.LC_ALL, 'de_DE.utf8')
19

20
app = Flask(__name__)
21

22
config = app.config
23
config.from_pyfile('config.py.example', silent=True)
24
25
26
if sys.argv[0].endswith('run.py'): 
	config['SQLITE_INIT_DATA'] = True
	config['DEBUG'] = True
27
config.from_pyfile('config.py', silent=True)
Andreas Valder's avatar
Andreas Valder committed
28
29
30
31
32
33
34
35
36
37
if sys.argv[0].endswith('tests.py'):
	print('running in test mode')
	import tempfile
	# ensure we always use a clean sqlite db for tests
	config['DB_ENGINE'] = 'sqlite'
	config['SQLITE_DB'] = tempfile.mktemp(prefix='flasktestingtmp')
	print('DB File: {}'.format(config['SQLITE_DB']))
	config['SQLITE_INIT_DATA'] = True
	config['SQLITE_INIT_SCHEMA'] = True
	config['DEBUG'] = True
38
	config['DISABLE_SCHEDULER'] = True
Andreas Valder's avatar
Andreas Valder committed
39
40
if config['DEBUG']:
	app.jinja_env.auto_reload = True
Andreas Valder's avatar
Andreas Valder committed
41

42
43
if not config.get('SECRET_KEY', None):
	config['SECRET_KEY'] = os.urandom(24)
Julian Rother's avatar
Julian Rother committed
44

45
from db import query, modify, show, searchquery
46
from mail import notify_mods, notify_admins
47
from ldap import ldapauth
48
from legacy import legacy_index
49
from scheduler import sched_func
Julian Rother's avatar
Julian Rother committed
50

51
mod_endpoints = []
Julian Rother's avatar
Julian Rother committed
52

53
def mod_required(func):
54
	mod_endpoints.append(func.__name__)
55
56
	@wraps(func)
	def decorator(*args, **kwargs):
57
		if not ismod():
58
59
60
61
62
63
			flash('Diese Funktion ist nur für Moderatoren verfügbar!')
			return redirect(url_for('login', ref=request.url))
		else:
			return func(*args, **kwargs)
	return decorator

64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
def evalperm(perms):
	cperms = []
	lperms = []
	vperms = []
	for perm in perms:
		if perm['course_id']:
			cperms.append(perm)
		elif perm['lecture_id']:
			lperms.append(perm)
		elif perm['video_id']:
			vperms.append(perm)
	if vperms:
		return vperms
	elif lperms:
	 	return lperms
	elif cperms:
		return cperms
	return [{'type': 'public'}]
82

83
from template_helper import *
84

85
app.jinja_env.globals['navbar'] = []
86
87
88
89
90
# iconlib can be 'bootstrap'
# ( see: http://getbootstrap.com/components/#glyphicons )
# or 'fa'
# ( see: http://fontawesome.io/icons/ )
def register_navbar(name, iconlib='bootstrap', icon=None):
91
	def wrapper(func):
92
		endpoint = func.__name__
93
		app.jinja_env.globals['navbar'].append((endpoint, name, iconlib, icon, not endpoint in mod_endpoints))
94
95
96
		return func
	return wrapper

Julian Rother's avatar
Cleanup    
Julian Rother committed
97
98
99
100
def render_endpoint(endpoint, flashtext=None, **kargs):
	if flashtext:
		flash(flashtext)
	# request.endpoint is used for navbar highlighting
101
	request.url_rule = Rule(request.path, endpoint=endpoint)
Julian Rother's avatar
Cleanup    
Julian Rother committed
102
103
	return app.view_functions[endpoint](**kargs)

104
105
106
107
108
109
110
def handle_errors(endpoint, text, code, *errors, **epargs):
	def wrapper(func):
		@wraps(func)
		def decorator(*args, **kwargs):
			try:
				return func(*args, **kwargs)
			except errors:
Julian Rother's avatar
Julian Rother committed
111
				if endpoint:
112
					return make_response(render_endpoint(endpoint, text, **epargs), code)
Julian Rother's avatar
Julian Rother committed
113
114
				else:
					return text, code
115
116
117
		return decorator
	return wrapper

Julian Rother's avatar
Cleanup    
Julian Rother committed
118
@app.errorhandler(404)
119
@app.route('/invalidpath')
Julian Rother's avatar
Julian Rother committed
120
def handle_not_found(e=None):
121
	return render_endpoint('index', 'Diese Seite existiert nicht!'), 404
Julian Rother's avatar
Cleanup    
Julian Rother committed
122

123
124
125
126
@app.errorhandler(500)
@app.errorhandler(Exception)
def handle_internal_error(e):
	traceback.print_exc()
127
	notify_admins('endpoint_exception', traceback=traceback.format_exc())
128
	return render_template('500.html'), 500
129

130
131
132
133
134
135
136
137
138
139
@sched_func(5*60, firstdelay=0)
def dump_error_page():
	if 'ERROR_PAGE' not in config:
		return
	request.url_rule = Rule(request.path, endpoint='handle_internal_error')
	text = render_template('500.html')
	f = open(config['ERROR_PAGE'], 'w')
	f.write(text)
	f.close()

140
def genlive(streams):
141
142
143
144
145
146
	for stream in streams:
		stream['visible'] = True
		stream['downloadable'] = False
		stream['path'] = 'pub/hls/%s.m3u8'%stream['livehandle']
		stream['file_size'] = 0
	return streams
147
148


149
@app.route('/')
150
@register_navbar('Home', icon='home')
151
def index():
152
	# handle legacy urls...
153
154
155
	result = legacy_index()
	if result:
		return result
156

157
	start = date.today()
158
	end = start + timedelta(days=7)
159
	upcomming = query('''
160
		SELECT lectures.*, streams.active AS nowlive, "course" AS sep, courses.*
Andreas Valder's avatar
Andreas Valder committed
161
162
		FROM lectures
		JOIN courses ON (lectures.course_id = courses.id)
163
		LEFT JOIN streams ON lectures.id = streams.lecture_id
164
165
		WHERE (time > ?) AND (time < ?) AND (? OR (lectures.visible AND courses.visible AND courses.listed)) AND NOT lectures.norecording
		ORDER BY time ASC LIMIT 30''', start, end, ismod())
Andreas Valder's avatar
Andreas Valder committed
166
167
168
	for i in upcomming:
		i['date'] = i['time'].date()
	latestvideos=query('''
169
		SELECT lectures.*, "course" AS sep, courses.*
Andreas Valder's avatar
Andreas Valder committed
170
171
172
173
174
		FROM lectures
		LEFT JOIN videos ON (videos.lecture_id = lectures.id)
		LEFT JOIN courses on (courses.id = lectures.course_id)
		WHERE (? OR (courses.visible AND courses.listed AND lectures.visible AND videos.visible))
		GROUP BY videos.lecture_id
175
		ORDER BY MAX(videos.time_created) DESC
Andreas Valder's avatar
Andreas Valder committed
176
		LIMIT 6	''',ismod())
177
	livestreams = query('''SELECT streams.handle AS livehandle, lectures.*, "course" AS sep, courses.*
178
179
180
181
182
		FROM streams
		JOIN lectures ON lectures.id = streams.lecture_id
		JOIN courses ON courses.id = lectures.course_id
		WHERE streams.active AND (? OR (streams.visible AND courses.visible AND courses.listed AND lectures.visible))
		''', ismod())
Julian Rother's avatar
Julian Rother committed
183
	featured = query('SELECT * FROM featured WHERE (? OR visible) ORDER BY `order`', ismod())
184
	featured = list(filter(lambda x: not x['deleted'], featured))
Julian Rother's avatar
Julian Rother committed
185
186
187
188
	for item in featured:
		if item['type'] == 'courses':
			if item['param'] not in ['title', 'semester', 'organizer', 'subject']:
				continue
189
			item['courses'] = query('SELECT * FROM courses WHERE (visible AND listed) AND `%s` = ? ORDER BY `%s`'%(item['param'], item['param']), item['param2'])
Julian Rother's avatar
Julian Rother committed
190
191
		elif item['type'] == 'video':
			item['lecture'] = {'id': item['param']}
192
			streams = query('''SELECT streams.handle AS livehandle, streams.lecture_id, "formats" AS sep, formats.*
Julian Rother's avatar
Julian Rother committed
193
194
195
196
197
198
199
200
201
202
203
					FROM streams
					JOIN lectures ON lectures.id = streams.lecture_id
					JOIN formats ON formats.keywords = "hls"
					WHERE streams.active AND streams.visible AND lectures.id = ?
					''', item['param'])
			item['videos'] = query('''
					SELECT videos.*, "formats" AS sep, formats.*
					FROM videos
					JOIN formats ON (videos.video_format = formats.id)
					WHERE videos.lecture_id = ? AND videos.visible
					ORDER BY formats.prio DESC
204
					''', item['param'])+genlive(streams)
205
	return render_template('index.html', latestvideos=livestreams+latestvideos, upcomming=upcomming, featured=featured)
206

207
@app.route('/courses')
208
@register_navbar('Videos', icon='film')
209
def courses():
210
	courses = query('SELECT * FROM courses WHERE (? OR (visible AND listed)) ORDER BY lower(semester), lower(title)', ismod())
211
	chapters = {}
212
	for i in query('SELECT lectures.course_id AS id, COUNT(chapters.id) AS c FROM chapters JOIN lectures ON chapters.lecture_id = lectures.id WHERE NOT chapters.visible AND NOT chapters.deleted GROUP BY lectures.course_id'):
213
		chapters[i['id']] = i['c']
214
	for course in courses:
215
		course['chapter_count'] = chapters.get(course['id'], 0)
216
217
		if course['semester'] == '':
			course['semester'] = 'zeitlos'
Andreas Valder's avatar
Andreas Valder committed
218
	groupedby = request.args.get('groupedby')
Julian Rother's avatar
Julian Rother committed
219
	if groupedby not in ['title', 'semester', 'organizer', 'subject']:
Andreas Valder's avatar
Andreas Valder committed
220
		groupedby = 'semester'
221
	return render_template('courses.html', courses=courses, groupedby=groupedby)
Andreas Valder's avatar
Andreas Valder committed
222

223
224
@app.route('/<handle>')
@app.route('/<int:id>')
225
@handle_errors('courses', 'Diese Veranstaltung existiert nicht!', 404, IndexError)
226
227
def course(id=None, handle=None):
	if id:
228
		course = query('SELECT * FROM courses WHERE id = ? AND (? OR visible)', id, ismod())[0]
229
	else:
230
		course = query('SELECT * FROM courses WHERE handle = ? AND (? OR visible)', handle, ismod())[0]
231
232
	course['perm'] = query('SELECT * FROM perm WHERE (NOT perm.deleted) AND course_id = ? ORDER BY type', course['id'])
	perms = query('SELECT perm.* FROM perm JOIN lectures ON (perm.lecture_id = lectures.id) WHERE (NOT perm.deleted) AND lectures.course_id = ? ORDER BY perm.type', course['id'])
233
	chapters = {}
Andreas Valder's avatar
Andreas Valder committed
234
	for i in query('SELECT lectures.id AS id, COUNT(chapters.id) AS c FROM chapters JOIN lectures ON chapters.lecture_id = lectures.id WHERE lectures.course_id = ? AND NOT chapters.visible AND NOT chapters.deleted GROUP BY chapters.lecture_id;', course['id']):
235
		chapters[i['id']] = i['c']
236
	lectures = query('SELECT * FROM lectures WHERE course_id = ? AND (? OR visible) ORDER BY time, duration DESC', course['id'], ismod())
237
	for lecture in lectures:
238
		lecture['perm'] = []
239
		lecture['perm'] += course['perm']
240
		lecture['course'] = course
241
		lecture['chapter_count'] = chapters.get(lecture['id'], 0)
242
243
244
		for perm in perms:
			if perm['lecture_id'] == lecture['id']:
				lecture['perm'].append(perm)
Andreas Valder's avatar
Andreas Valder committed
245
	videos = query('''
246
			SELECT videos.*, (videos.downloadable AND courses.downloadable) as downloadable, "formats" AS sep, formats.*
Andreas Valder's avatar
Andreas Valder committed
247
248
249
250
251
252
			FROM videos
			JOIN lectures ON (videos.lecture_id = lectures.id)
			JOIN formats ON (videos.video_format = formats.id)
			JOIN courses ON (lectures.course_id = courses.id)
			WHERE lectures.course_id= ? AND (? OR videos.visible)
			ORDER BY lectures.time, formats.prio DESC
253
			''', course['id'], ismod())
254
	livestreams = query('''SELECT streams.handle AS livehandle, streams.lecture_id, "formats" AS sep, formats.*
255
256
257
258
259
			FROM streams
			JOIN lectures ON lectures.id = streams.lecture_id
			JOIN formats ON formats.keywords = "hls"
			WHERE streams.active AND (? OR streams.visible) AND lectures.course_id = ?
			''', ismod(), course['id'])
260
261
262
	chapters = []
	if course['coursechapters']:
		chapters = query('SELECT chapters.* FROM chapters JOIN lectures ON lectures.id = chapters.lecture_id WHERE lectures.course_id = ? AND NOT chapters.deleted AND chapters.visible ORDER BY time ASC', course['id'])
263
	videos += genlive(livestreams)
264
	return render_template('course.html', course=course, lectures=lectures, videos=videos, chapters=chapters)
Andreas Valder's avatar
Andreas Valder committed
265

Andreas Valder's avatar
Andreas Valder committed
266
@app.route('/faq')
267
@register_navbar('FAQ', icon='question-sign')
Andreas Valder's avatar
Andreas Valder committed
268
def faq():
269
	return render_template('faq.html')
Andreas Valder's avatar
Andreas Valder committed
270

271
272
273
274
@app.route('/<course>/<int:id>')
@app.route('/<int:courseid>/<int:id>')
@app.route('/<course>/<int:id>/embed', endpoint='embed')
@app.route('/<int:courseid>/<int:id>/embed', endpoint='embed')
275
@handle_errors('course', 'Diese Vorlesung existiert nicht!', 404, IndexError)
276
def lecture(id, course=None, courseid=None):
Andreas Valder's avatar
Andreas Valder committed
277
278
	lecture = query('SELECT * FROM lectures WHERE id = ? AND (? OR visible)', id, ismod())[0]
	videos = query('''
279
			SELECT videos.*, (videos.downloadable AND courses.downloadable) as downloadable, "formats" AS sep, formats.*
Andreas Valder's avatar
Andreas Valder committed
280
281
			FROM videos
			JOIN formats ON (videos.video_format = formats.id)
282
283
284
285
			JOIN courses ON (courses.id = ?)
			WHERE videos.lecture_id = ? AND (? OR videos.visible)
			ORDER BY formats.prio DESC
			''', lecture['course_id'], lecture['id'], ismod())
286
	livestreams = query('''SELECT streams.handle AS livehandle, streams.lecture_id, "formats" AS sep, formats.*
287
288
289
290
291
292
			FROM streams
			JOIN lectures ON lectures.id = streams.lecture_id
			JOIN formats ON formats.keywords = "hls"
			WHERE streams.active AND (? OR streams.visible) AND lectures.id = ?
			''', ismod(), id)
	videos += genlive(livestreams)
293
	perms = query('SELECT perm.* FROM perm WHERE ((NOT perm.deleted) AND (perm.lecture_id = ? OR perm.course_id = ?))',
294
			lecture['id'], lecture['course_id'])
295
	if not videos:
296
297
298
299
300
301
		if lecture['live'] and lecture['time'] > datetime.now()-timedelta(minutes=30) and lecture['time']-timedelta(hours=20) < datetime.now():
			flash('Der Livestream beginnt um '+human_time(lecture['time'])+' Uhr.')
		elif lecture['time'] > datetime.now():
			flash('Diese Vorlesung hat noch nicht stattgefunden!')
		else:
			flash('Zu dieser Vorlesung wurden noch keine Videos veröffentlicht!')
302
	courses = query('SELECT * FROM courses WHERE id = ? AND (? OR visible)', lecture['course_id'], ismod())
303
304
	if not courses:
		return render_endpoint('courses', 'Diese Veranstaltung existiert nicht!'), 404
305
	chapters = query('SELECT * FROM chapters WHERE lecture_id = ? AND NOT deleted AND (? OR visible) ORDER BY time ASC', id, ismod())
306
307
308
309
310
	username = password = None
	if request.authorization:
		username = request.authorization.username
		password = request.authorization.password
	if not checkperm(perms, username=username, password=password):
311
		mode, text = permdescr(perms)
312
		if mode == 'rwth':
313
			flash(text+'. <a target="_blank" class="reloadonclose" href="'+url_for('start_rwthauth')+'">Hier authorisieren</a>.', category='player')
314
		elif mode == 'l2p':
315
			if 'l2p_courses' in session:
316
				flash(text+'. Du bist kein Teilnehmer des L2P-Kurses! <a target="_blank" class="reloadonclose" href="'+url_for('start_l2pauth')+'">Kurse aktualisieren</a>.', category='player')
317
			else:
318
				flash(text+'. <a target="_blank" class="reloadonclose" href="'+url_for('start_l2pauth')+'">Hier authorisieren</a>.', category='player')
319
		else:
320
			flash(text+'.', category='player')
321
	return render_template('embed.html' if request.endpoint == 'embed' else 'lecture.html', course=courses[0], lecture=lecture, videos=videos, chapters=chapters, seek=request.args.get('t'))
Andreas Valder's avatar
Andreas Valder committed
322

323
324
325
326
327
328
329

@app.route('/search')
def search():
	if 'q' not in request.args:
		return redirect(url_for('index'))
	q = request.args['q']
	courses = searchquery(q, '*', ['title', 'short', 'organizer', 'subject', 'description'],
330
			'courses', 'WHERE (? OR (visible AND listed)) GROUP BY id ORDER BY _score DESC, semester DESC LIMIT 20', ismod())
Julian Rother's avatar
Julian Rother committed
331
332
333
334
335
	#lectures = searchquery(q, 'lectures.*, courses.visible AS coursevisible, courses.listed, "course" AS sep, courses.*',
	#			['lectures.title', 'lectures.comment', 'lectures.speaker', 'courses.short'],
	#			'lectures LEFT JOIN courses on (courses.id = lectures.course_id)',
	#			'WHERE (? OR (coursevisible AND listed AND visible)) GROUP BY id ORDER BY _score DESC, time DESC LIMIT 30', ismod())
	lectures = searchquery(q, 'lectures.*, courses.visible AS coursevisible, courses.listed, courses.id AS courses_id, courses.visible AS courses_visible, courses.listed AS courses_listed, courses.title AS courses_title, courses.short AS courses_short, courses.handle AS courses_handle, courses.organizer AS courses_organizer, courses.subject AS courses_subject, courses.credits AS courses_credits, courses.created_by AS courses_created_by, courses.time_created AS courses_time_created, courses.time_updated AS courses_time_updated, courses.semester AS courses_semester, courses.downloadable AS courses_downloadable, courses.embedinvisible AS courses_embedinvisible, courses.description AS courses_description, courses.internal AS courses_internal, courses.responsible AS courses_responsible',
336
337
			['lectures.title', 'lectures.comment', 'lectures.speaker', 'courses.short'],
			'lectures LEFT JOIN courses on (courses.id = lectures.course_id)',
338
			'WHERE (? OR (coursevisible AND listed AND visible)) GROUP BY id ORDER BY _score DESC, time DESC LIMIT 30', ismod())
Julian Rother's avatar
Julian Rother committed
339
340
341
342
343
	for lecture in lectures:
		lecture['course'] = {}
		for key in lecture:
			if key.startswith('courses_'):
				lecture['course'][key[8:]] = lecture[key]
344
	return render_template('search.html', searchtext=request.args['q'], courses=courses, lectures=lectures)
Andreas Valder's avatar
Andreas Valder committed
345

346
def check_mod(user, groups):
347
348
349
350
351
352
	if not user:
		return False
	for group in config['LDAP_GROUPS']:
		if group in groups:
			return True
	return False
353

354
@app.route('/internal/login', methods=['GET', 'POST'])
Julian Rother's avatar
Julian Rother committed
355
def login():
356
357
	if request.method == 'GET':
		return render_template('login.html')
358
359
	userinfo, groups = ldapauth(request.form.get('user'), request.form.get('password'))
	user = userinfo.get('uid')
360
	if not check_mod(user, groups):
361
		flash('Login fehlgeschlagen!')
Andreas Valder's avatar
Andreas Valder committed
362
		return make_response(render_template('login.html'), 403)
363
	session['user'] = userinfo
364
365
	dbuser = query('SELECT * FROM users WHERE name = ?', user)
	if not dbuser:
Julian Rother's avatar
Julian Rother committed
366
		modify('INSERT INTO users (name, realname, fsacc, level, calendar_key, rfc6238) VALUES (?, ?, ?, 1, "", "")', user, session['user']['givenName'], user)
367
368
		dbuser = query('SELECT * FROM users WHERE name = ?', user)
	session['user']['dbid'] = dbuser[0]['id']
369
	session['_csrf_token'] = ''.join(random.SystemRandom().choice(string.ascii_letters + string.digits) for _ in range(64))
Andreas Valder's avatar
Andreas Valder committed
370
	session.permanent = True
Julian Rother's avatar
Julian Rother committed
371
	return redirect(request.values.get('ref', url_for('index')))
Julian Rother's avatar
Julian Rother committed
372

373
@app.route('/internal/logout', methods=['GET', 'POST'])
Julian Rother's avatar
Julian Rother committed
374
def logout():
375
	session.pop('user', None)
Julian Rother's avatar
Julian Rother committed
376
	return redirect(request.values.get('ref', url_for('index')))
Julian Rother's avatar
Julian Rother committed
377

378
@app.route('/internal/auth')
379
380
381
382
def auth(): # For use with nginx auth_request
	if 'X-Original-Uri' not in request.headers:
		return 'Internal Server Error', 500
	url = request.headers['X-Original-Uri'].lstrip(config['VIDEOPREFIX'])
Julian Rother's avatar
Julian Rother committed
383
384
	if request.cookies.get('tracking', '') and request.cookies['tracking'].isdigit():
		cookie = int(request.cookies['tracking'])
385
	else:
Julian Rother's avatar
Julian Rother committed
386
		cookie = random.getrandbits(8*8-1)
387
	if url.endswith('jpg') or ismod():
388
		return "OK", 200
389
390
	if url.startswith('pub/hls/'):
		handle = url[len('pub/hls/'):].split('_')[0].split('.')[0]
391
		perms = query('''SELECT lectures.id AS lecture, perm.*
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
				FROM streams
				JOIN lectures ON (streams.lecture_id = lectures.id)
				JOIN courses ON (lectures.course_id = courses.id)
				LEFT JOIN perm ON ((lectures.id = perm.lecture_id OR courses.id = perm.course_id) AND NOT perm.deleted)
				WHERE streams.handle = ?
				AND (courses.visible AND lectures.visible AND streams.visible)
				ORDER BY perm.video_id DESC, perm.lecture_id DESC, perm.course_id DESC''', handle)
	else:
		perms = query('''SELECT videos.path, videos.id AS vid, perm.*
				FROM videos
				JOIN lectures ON (videos.lecture_id = lectures.id)
				JOIN courses ON (lectures.course_id = courses.id)
				LEFT JOIN perm ON ((videos.id = perm.video_id OR lectures.id = perm.lecture_id OR courses.id = perm.course_id) AND NOT perm.deleted)
				WHERE videos.path = ?
				AND (courses.visible AND lectures.visible AND videos.visible)
				ORDER BY perm.video_id DESC, perm.lecture_id DESC, perm.course_id DESC''',
				url)
409
	if not perms:
410
		return "Not found", 404
411
	auth = request.authorization
412
413
414
415
	username = password = None
	if auth:
		username = auth.username
		password = auth.password
416
	if checkperm(perms, username=username, password=password):
417
		try:
418
419
			if not url.startswith('pub/hls/'):
				modify('INSERT INTO log (id, `time`, `date`, video, source) VALUES (?, ?, ?, ?, 1)', cookie, datetime.now(), datetime.combine(date.today(), time()), perms[0]['vid'])
420
421
422
423
			elif url.endswith('.ts'):
				fmt = url.split('_')[-1].split('-')[0]
				seg = url.split('.')[0].split('-')[-1]
				modify('INSERT INTO hlslog (id, `time`, segment, lecture, handle, format) VALUES (?, ?, ?, ?, ?, ?)', cookie, datetime.now(), seg, perms[0]['lecture'], handle, fmt)
424
425
426
		except:
			pass
		r = make_response('OK', 200)
Julian Rother's avatar
Julian Rother committed
427
		r.set_cookie('tracking', str(cookie), max_age=2147483647) # Many many years
428
		return r
429
	password_auth = False
430
431
	for perm in perms:
		if perm['type'] == 'password':
432
433
434
			password_auth = True
			break
	if password_auth:
435
436
		return Response("Login required", 401, {'WWW-Authenticate': 'Basic realm="Login Required"'})
	return "Not allowed", 403
Andreas Valder's avatar
Andreas Valder committed
437

Julian Rother's avatar
Julian Rother committed
438
439
440
441
@app.route('/files/<filename>')
def files(filename):
	return redirect(config['VIDEOPREFIX']+'/'+filename)

Andreas Valder's avatar
Andreas Valder committed
442
@app.route('/sitemap.xml')
Andreas Valder's avatar
Andreas Valder committed
443
444
445
446
447
448
449
450
451
452
def sitemap():
	pages=[]
	# static pages
	for rule in app.url_map.iter_rules():
		if 'GET' in rule.methods and len(rule.arguments)==0:
			if rule.endpoint not in mod_endpoints:
				pages.append([rule.rule])
	for i in query('select * from courses where visible and listed'):
		pages.append([url_for('course',handle=i['handle'])])
		for j in query('select * from lectures where (course_id = ? and visible)',i['id']):
453
			pages.append([url_for('lecture',course=i['handle'],id=j['id'])])
Andreas Valder's avatar
Andreas Valder committed
454
455
456
457


	return Response(render_template('sitemap.xml', pages=pages), 200, {'Content-Type': 'application/atom+xml'} )

Julian Rother's avatar
Julian Rother committed
458
459
460
461
462
463
464
465
466
@app.route('/internal/dbstatus')
@register_navbar('DB-Status', icon='ok')
@mod_required
def dbstatus():
	hosts = set()
	clusters = {}
	status = {}
	variables = {}
	for host in config.get('MYSQL_DBSTATUS_HOSTS', [])+[config.get('MYSQL_HOST', None)]:
Andreas Valder's avatar
Andreas Valder committed
467
468
469
470
471
		try:
			for _host in show('SHOW VARIABLES LIKE "wsrep_cluster_address"', host=host)['wsrep_cluster_address'][len('gcomm://'):].split(','):
				hosts.add(_host)
		except:
			pass
Julian Rother's avatar
Julian Rother committed
472
	for host in sorted(list(hosts)):
Julian Rother's avatar
Julian Rother committed
473
474
475
476
477
478
479
480
481
482
483
484
		try:
			status[host] = show('SHOW GLOBAL STATUS LIKE "wsrep%"', host=host)
			variables[host] = show('SHOW GLOBAL VARIABLES LIKE "wsrep%"', host=host)
		except:
			status[host] = {'wsrep_cluster_state_uuid': '', 'wsrep_local_state_comment': 'Not reachable', 'wsrep_cluster_conf_id': '0', 'wsrep_cluster_status': 'Unknown'}
			variables[host] = {'wsrep_node_name': host, 'wsrep_cluster_name': 'unknown'}
		cluster = variables[host]['wsrep_cluster_name']+'-'+status[host]['wsrep_cluster_conf_id']
		if cluster not in clusters:
			clusters[cluster] = []
		clusters[cluster].append(host)
	return render_template('dbstatus.html', clusters=clusters, statuses=status, vars=variables), 200

485
486
487
488
489
490
job_handlers = {}
def job_handler(*types, state='finished'):
	def wrapper(func):
		for jobtype in types:
			if jobtype not in job_handlers:
				job_handlers[jobtype] = {}
Julian Rother's avatar
Julian Rother committed
491
			if state not in job_handlers[jobtype]:
492
493
				job_handlers[jobtype][state] = []
			job_handlers[jobtype][state].append(func)
Julian Rother's avatar
Julian Rother committed
494
		return func
495
496
	return wrapper

497
498
499
def date_json_handler(obj):
	return obj.isoformat() if hasattr(obj, 'isoformat') else obj

500
def schedule_job(jobtype, data=None, priority=0, queue="default"):
501
502
	if not data:
		data = {}
503
504
	modify('INSERT INTO jobs (type, priority, queue, data, time_created) VALUES (?, ?, ?, ?, ?)',
			jobtype, priority, queue, json.dumps(data, default=date_json_handler), datetime.now())
505
506
507
508
509
510
511
512
513
514
515
516
517

edit_handlers = {}
def edit_handler(*tables, field=None):
	def wrapper(func):
		for table in tables:
			if table not in edit_handlers:
				edit_handlers[table] = {}
			if field not in edit_handlers[table]:
				edit_handlers[table][field] = []
			edit_handlers[table][field].append(func)
		return func
	return wrapper

Andreas Valder's avatar
Andreas Valder committed
518
import edit
Julian Rother's avatar
Julian Rother committed
519
import feeds
520
import importer
521
import stats
522
523
if 'ICAL_URL' in config:
	import meetings
524
import l2pauth
525
import jobs
Julian Rother's avatar
Julian Rother committed
526
import sorter
527
import encoding
Andreas Valder's avatar
Andreas Valder committed
528
import timetable
Andreas Valder's avatar
Andreas Valder committed
529
import chapters
530
import icalexport
531
import livestreams