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#!/usr/bin/env python2
import os, mimetypes, json, cgi, recode, time, urllib, events, db, itertools
from config import config
from directory import Directory, File
from session import Session
class Application(object):
# Application handlers
def files(self, environ, start_response, path):
full_path = os.path.join(config.get('music_root'), *path[1:])
if not os.path.exists(full_path) or '..' in path:
start_response('404 Not Found', [])
return []
if os.path.isdir(full_path):
start_response('200 OK', [('Content-Type', 'text/html; charset=UTF-8')])
return (str(x) for x in Directory(full_path).listdir())
else:
return File(full_path).send(environ, start_response)
def static(self, environ, start_response, path):
filename = os.path.join('static', *path[1:])
if not os.path.exists(filename) or '..' in path:
start_response('404 Not Found', [])
return []
mime = mimetypes.guess_type(filename, strict = False)[0] or 'application/octet-stream'
start_response('200 OK', [('Content-Type', mime)])
return open(filename, 'rb')
def cache(self, environ, start_response, path):
args = cgi.FieldStorage(environ = environ)
path = os.path.join(*path[1:])
path = os.path.join(config.get('music_root'), path)
track = int(args.getvalue('track')) if 'track' in args else None
try:
session = db.Session()
t = db.Track.find(session, path, track)
except:
start_response('404 Not Fonud', [])
return []
finally:
session.close()
cache_path = File(path, track = track).get_cache_path()
if not os.path.exists(cache_path) or '..' in path:
start_response('404 Not Found', [])
return []
f = File(cache_path, True)
return f.send(environ, start_response)
# JSON handlers
def json_list(self, environ, start_response, path):
args = cgi.FieldStorage(environ = environ)
directory = args.getvalue('directory') if 'directory' in args else ''
if directory[-1:] == '/':
directory = directory[:-1]
directory = os.path.join(config.get('music_root'), directory)
if directory[-1:] == '/':
directory = directory[:-1]
contents = []
try:
session = db.Session()
directory = db.Directory.get(session, directory)
directories = (Directory(d.path) for d in directory.children)
tracks = (File(t.get_path(), track = t.file_index, metadata = t.get_metadata()) for t in directory.tracks)
contents = [x.json() for x in itertools.chain(directories, tracks)]
finally:
session.close()
start_response('200 OK', [('Content-Type', 'text/plain')])
return json.dumps(contents)
def json_recode(self, environ, start_response, path):
args = cgi.FieldStorage(environ = environ)
path = args.getvalue('path') if 'path' in args else ''
path = os.path.join(config.get('music_root'), path)
track = int(args.getvalue('track')) if 'track' in args else None
try:
session = db.Session()
t = db.Track.find(session, path, track)
except:
start_response('404 Not Fonud', [])
return []
finally:
session.close()
f = File(path, track = track)
# see json_play()
if not os.path.splitext(path)[1] in ('.mp3', '.ogg'):
decoder = 'ffmpeg'
encoder = config.get('encoder')
f.start_recode(decoder, encoder)
start_response('200 OK', [('Content-Type', 'text/plain')])
return []
def json_play(self, environ, start_response, path):
args = cgi.FieldStorage(environ = environ)
rel_path = args.getvalue('path')
path = os.path.join(config.get('music_root'), rel_path)
track = int(args.getvalue('track')) if 'track' in args else None
try:
session = db.Session()
t = db.Track.find(session, path, track)
except:
start_response('404 Not Fonud', [])
return []
finally:
session.close()
f = File(path, track = track)
# TODO: replace this with some sane logic
if not os.path.splitext(path)[1] in ('.mp3', '.ogg'):
cache_path = f.get_cache_path()
decoder = 'ffmpeg'
encoder = config.get('encoder')
if not os.path.exists(cache_path):
f.start_recode(decoder, encoder, environ['sessionid'])
else:
events.event_pub.play(environ['sessionid'], '/cache/{0}{1}'.format(rel_path, ('?track=' + str(track) if track else '')))
else:
events.event_pub.play(environ['sessionid'], '/files/{0}'.format(rel_path))
start_response('200 OK', [('Content-Type', 'text/plain')])
return []
handlers = {
'files': files,
'static': static,
'cache': cache,
'list': json_list,
'recode': json_recode,
'play': json_play,
'events': events.EventSubscriber,
}
# WSGI handler
def __call__(self, environ, start_response):
path = urllib.unquote(environ['PATH_INFO'])
path = path.split('/')[1:]
module = path[0] or None
if not module:
module = 'static'
path = ['static', 'index.html']
if module in self.handlers:
return Session(self.handlers[module])(self, environ, start_response, path)
start_response('404 Not Found', [('Content-Type', 'text/plain')])
return [str(path)]
if __name__ == '__main__':
import sys
if len(sys.argv) == 3:
from flup.server.fcgi import WSGIServer
WSGIServer(Application(), bindAddress = (sys.argv[1], int(sys.argv[2]))).run()
else:
from wsgiref.simple_server import make_server, WSGIServer
# enable IPv6
WSGIServer.address_family |= 10
httpd = make_server('', 8000, Application())
httpd.serve_forever()
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