Initial commit of the sources

7 files changed, 720 insertions, 0 deletions

diff --git a/AirPlayService.py b/AirPlayService.py
new file mode 100644
index 0000000..dee6dde
--- /dev/null
+++ b/AirPlayService.py
@@ -0,0 +1,232 @@
+# -*- coding: utf-8 -*-
+
+import asyncore
+import platform
+import socket
+import threading
+import time
+from datetime import datetime, date
+from urlparse import urlparse
+from ZeroconfService import ZeroconfService
+
+__all__ = ["BaseAirPlayRequest", "AirPlayService", "AirPlayProtocolHandler"]
+
+class BaseAirPlayRequest(object):
+	def read_from_socket(self, socket):
+		data = socket.recv(1024)
+		if not data:
+			return False
+
+		# we split the message into HTTP headers and content body
+		message = data.split("\r\n\r\n", 1)
+		headers = message[0]
+		headerlines = headers.splitlines()
+
+		# parse request headers
+		command = headerlines[0].split()
+		self.type = command[0]
+		self.uri = command[1]
+		self.version = command[2]
+		del headerlines[0]
+		self.headers = self.parse_headers(headerlines)
+
+		# parse any uri query parameters
+		self.params = None
+		if (self.uri.find('?')):
+			url = urlparse(self.uri)
+			if (url[4] is not ""):
+				self.params = dict([part.split('=') for part in url[4].split('&')])
+				self.uri = url[2]
+
+		# parse message body
+		if (int(self.headers['Content-Length']) > 0):
+			self.body = message[1]
+			# read more data if we have to
+			if len(self.body) < int(self.headers['Content-Length']):
+				while 1:
+					data = socket.recv(8192)
+					if not data:
+						break
+					self.body = self.body + data
+
+		return True
+
+	def parse_headers(self, lines):
+		headers = {}
+		for line in lines:
+			if line:
+				name, value = line.split(": ", 1)
+				headers[name.strip()] = value.strip()
+		return headers
+
+class AirPlayProtocolHandler(asyncore.dispatcher_with_send):
+	def __init__(self, socket, service):
+		asyncore.dispatcher_with_send.__init__(self, socket)
+		self.service = service
+
+	def handle_read(self):
+		# read from the socket and parse a HTTP request
+		request = BaseAirPlayRequest()
+		if (not request.read_from_socket(self)):
+			return
+
+		answer = ""
+
+		# process the request and run the appropriate callback
+		if (request.uri.find('/play')>-1):
+			parsedbody = request.parse_headers(request.body.splitlines())
+			self.service.play(parsedbody['Content-Location'], float(parsedbody['Start-Position']))
+			answer = self.create_request()
+		elif (request.uri.find('/stop')>-1):
+			self.service.stop(request.headers)
+			answer = self.create_request()
+		elif (request.uri.find('/scrub')>-1):
+			if request.type == 'GET':
+				d, p = self.service.get_scrub()
+				content = "duration: " + str(float(d))
+				content += "\nposition: " + str(float(p))
+				answer = self.create_request(200, content)
+			elif request.type == 'POST':
+				self.service.set_scrub(float(request.params['position']))
+				answer = self.create_request()
+		elif (request.uri.find('/reverse')>-1):
+			self.service.reverse(request.headers)
+			answer = self.create_request(101)
+		elif (request.type == 'POST' and request.uri.find('/rate')>-1):
+			self.service.rate(float(request.params['value']))
+			answer = self.create_request()
+		elif (request.type == 'PUT' and request.uri.find('/photo')>-1):
+			self.photo(request.body, request.headers['X-Apple-Transition'])
+			answer = self.create_request()
+		else:
+			print "ERROR: AirPlay - Unable to handle request \"%s\"" % (request.uri)
+			answer = self.create_request(404)
+
+		if(answer is not ""):
+			self.send(answer)
+
+	def getDateTime(self):
+		today = datetime.now()
+		datestr = today.strftime("%a, %d %b %Y %H:%M:%S")
+		return datestr+" GMT"
+
+	def create_request(self, status = 200, body = ""):
+		clength = len(bytes(body))
+		if (status == 200):
+			answer = "HTTP/1.1 200 OK"
+		elif (status == 404):
+			answer = "HTTP/1.1 404 Not Found"
+		elif (status == 101):
+			answer = "HTTP/1.1 101 Switching Protocols"
+			answer += "\nUpgrade: PTTH/1.0"
+			answer += "\nConnection: Upgrade"
+		answer += "\nDate: " + self.getDateTime()
+		answer += "\nContent-Length: " + str(clength)
+		answer +="\n\n"
+		answer += body
+		return answer
+
+	def get_scrub(self):
+		return False
+
+	def set_scrub(self, position):
+		return False
+
+	def play(self, location, position):
+		return False
+
+	def stop(self, info):
+		return False
+
+	def reverse(self, info):
+		return True
+
+	def photo(self, data, transition):
+		return False
+
+	def rate(self, speed):
+		return False
+
+	def volume(self, info):
+		return False
+
+	def authorize(self, info):
+		return False
+
+	def event(self, info):
+		return False
+
+class AsyncoreThread(threading.Thread):
+	def __init__(self, timeout=30.0, use_poll=0,map=None):
+		self.flag = True
+		self.timeout = 30.0
+		self.use_poll = use_poll
+		self.map = map
+		threading.Thread.__init__(self, None, None, 'asyncore thread')
+
+	def run(self):
+		self.loop()
+
+	def loop(self):
+		if self.map is None:
+			self.map = asyncore.socket_map
+
+		if self.use_poll:
+			if hasattr(select, 'poll'):
+				poll_fun = asyncore.poll3
+			else:
+				poll_fun = asyncore.poll2
+		else:
+			poll_fun = asyncore.poll
+
+		while self.map and self.flag:
+			poll_fun(self.timeout,self.map)
+
+	def end(self):
+		self.flag=False
+		self.map=None
+
+class AirPlayService(asyncore.dispatcher):
+	def __init__(self, name=None, host="0.0.0.0", port=22555):
+		print "AirPlayService running"
+
+		# create socket server
+		asyncore.dispatcher.__init__(self)
+		self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
+		self.set_reuse_addr()
+		self.bind((host, port))
+		self.listen(5)
+		self.remote_clients = []
+
+		# create avahi service
+		if (name is None):
+			name = "Airplay Service on " + platform.node()
+		self.zeroconf_service = ZeroconfService(name, port=port, stype="_airplay._tcp", text=["Name="+name])
+
+		# publish avahi service
+		self.zeroconf_service.publish()
+
+		# do this so we do not block the main thread
+		self.thread = AsyncoreThread(timeout=30)
+		self.thread.is_finished = False
+		self.thread.start()
+
+	def handle_accept(self):
+		pair = self.accept()
+		if pair is None:
+			pass
+		else:
+			sock, addr = pair
+			self.remote_clients.append(AirPlayProtocolHandler(sock, self))
+
+	def handle_close(self):
+		self.close()
+
+	def __del__(self):
+		self.thread.end()
+		self.close()
+		del self.thread
+
+		# unpublish avahi service
+		self.zeroconf_service.unpublish()
+
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..08ddefd
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,340 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
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+
+  When we speak of free software, we are referring to freedom, not
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
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+You may charge a fee for the physical act of transferring a copy, and
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+  10. If you wish to incorporate parts of the Program into other free
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+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
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+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
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+free software which everyone can redistribute and change under these terms.
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+  To do so, attach the following notices to the program.  It is safest
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+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
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+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
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+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
+
diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..a69d425
--- /dev/null
+++ b/NEWS
@@ -0,0 +1,7 @@
+Version 1.0.0
+~~~~~~~~~~~~~
+
+* First public release
+* Changes:
+  - Implement all AirPlay video playback functionality
+
diff --git a/README b/README
new file mode 100644
index 0000000..94dde2c
--- /dev/null
+++ b/README
@@ -0,0 +1,27 @@
+Totem AirPlay Plugin
+--------------------------------------------------------------------------------
+
+A FOSS Python PoC implementation of the server side AirPlay Protocol.
+
+It announces the AirPlay service over avahi to any iOS devices capabable of
+AirPlay and allows a video to be played back in Totem easily.
+
+The playback can also be controlled from the iOS device including play/pause
+aswell as seeking to certain time offsets.
+
+AirPlay photo "playback" is not supported.
+
+Future versions could act as a client themself and allow Totem to stream
+media to iOS capable servers like the Apple TV 2 or other computers running
+Totem with AirPlay support.
+
+Installation
+--------------------------------------------------------------------------------
+
+To install the plugin simply symlink the source directory into your Totem's
+plugin directory.
+
+This can be for instance: ~/.local/share/totem/plugins/airplay/
+
+Then restart Totem and activate the plugin. Obviously Totem must be compiled
+with Python support.
diff --git a/ZeroconfService.py b/ZeroconfService.py
new file mode 100644
index 0000000..7b3257b
--- /dev/null
+++ b/ZeroconfService.py
@@ -0,0 +1,28 @@
+import avahi
+import dbus
+
+__all__ = ["ZeroconfService"]
+
+class ZeroconfService(object):
+	def __init__(self, name, port, stype="_http._tcp", domain="", host="", text=""):
+		self.name = name
+		self.stype = stype
+		self.domain = domain
+		self.host = host
+		self.port = port
+		self.text = text
+
+	def publish(self):
+		bus = dbus.SystemBus()
+		server = dbus.Interface(bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
+
+		g = dbus.Interface(bus.get_object(avahi.DBUS_NAME, server.EntryGroupNew()), avahi.DBUS_INTERFACE_ENTRY_GROUP)
+		g.AddService(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, dbus.UInt32(0), self.name, self.stype, self.domain, self.host, dbus.UInt16(self.port), self.text)
+
+		g.Commit()
+		self.group = g
+
+	def unpublish(self):
+		if self.group is not None:
+			self.group.Reset()
+
diff --git a/airplay.py b/airplay.py
new file mode 100644
index 0000000..2493764
--- /dev/null
+++ b/airplay.py
@@ -0,0 +1,76 @@
+# -*- coding: utf-8 -*-
+
+import totem
+import platform
+import time
+from AirPlayService import AirPlayService
+
+class AirPlayPlugin (totem.Plugin):
+	def __init__ (self):
+		totem.Plugin.__init__ (self)
+		self.totem = None
+
+	def activate (self, totem_object):
+		self.service = AirPlayTotemPlayer(totem=totem_object,name="Totem on %s" % (platform.node()))
+
+	def deactivate (self, totem_object):
+		self.service.__del__()
+
+class AirPlayTotemPlayer(AirPlayService):
+	def __init__(self, totem, name=None, host="0.0.0.0", port=22555):
+		self.location = None
+		self.totem = totem
+		AirPlayService.__init__(self, name, host, port)
+
+	def __del__(self):
+		self.totem.action_stop()
+		AirPlayService.__del__(self)
+
+	# this returns current media duration and current seek time
+	def get_scrub(self):
+		# return self.totem.stream-length, self.totem.current-time
+		duration = float(self.totem.get_property('stream-length') / 1000)
+		position = float(self.totem.get_property('current-time') / 1000)
+		return duration, position
+
+	# this must seek to a certain time
+	def set_scrub(self, position):
+		if self.totem.is_seekable():
+			self.totem.action_seek_time(int(float(position) * 1000))
+
+	# this only sets the location and start position, it does not yet start to play
+	def play(self, location, position):
+		# start position is in percent
+		self.location	= [location, position]
+
+	# stop the playback completely
+	def stop(self, info):
+		self.totem.action_stop()
+
+	# reverse HTTP to PTTH
+	def reverse(self, info):
+		pass
+
+	# playback rate, 0.0 - 1.0
+	def rate(self, speed):
+		if (int(float(speed)) >= 1):
+			if self.location is not None:
+				# start playback and loading of media
+				self.totem.add_to_playlist_and_play(self.location[0], "AirPlay Video", False)
+				# wait until stream-length is loaded and is not zero
+				duration = 0
+				while (int(duration) == 0):
+					duration = float(self.totem.get_property('stream-length') / 1000)
+					time.sleep(1)
+				# we also get a start time from the device, so seek to it
+				targetoffset = float(duration * float(self.location[1]))
+				self.set_scrub(targetoffset)
+
+			if (not self.totem.is_playing()):
+				self.totem.action_play()
+
+			del self.location
+			self.location = None
+		else:
+			self.totem.action_pause()
+
diff --git a/airplay.totem-plugin b/airplay.totem-plugin
new file mode 100644
index 0000000..8446d58
--- /dev/null
+++ b/airplay.totem-plugin
@@ -0,0 +1,10 @@
+[Totem Plugin]
+Loader=python
+Module=airplay
+IAge=1
+Builtin=false
+Name=AirPlay Support
+Description=Playback of videos using Apple AirPlay.
+Authors=Martin S.
+Copyright=Copyright © 2010 Martin S.
+Website=http://www.libimobiledevice.org/