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executable file 149 lines (131 sloc) 4.881 kb
#!/usr/bin/python -u
#
# droiddemo.py, Copyright 2010, The Beanstalks Project ehf.
# http://beanstalks-project.net/
#
# This is a proof-of-concept PageKite enabled HTTP server for Android.
# It has been developed and tested in the SL4A Python environment.
#
DOMAIN='phone.bre.pagekite.me'
SECRET='ba4e5430'
SOURCE='/sdcard/sl4a/scripts/droiddemo.py'
#
#############################################################################
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#############################################################################
#
import android
import pagekite
import os
from urllib import unquote
try:
from urlparse import parse_qs, urlparse
except Exception, e:
from cgi import parse_qs
from urlparse import urlparse
class UiRequestHandler(pagekite.UiRequestHandler):
CAMERA_PATH = '/sdcard/dcim/.thumbnails'
HOME = ('<html><head>\n'
'<script type=text/javascript>'
'lastImage = "";'
'function getImage() {'
'xhr = new XMLHttpRequest();'
'xhr.open("GET", "/latest-image.txt", true);'
'xhr.onreadystatechange = function() {'
'if (xhr.readyState == 4) {'
'if (xhr.responseText && xhr.responseText != lastImage) {'
'document.getElementById("i").src = lastImage = xhr.responseText;'
'}'
'setTimeout("getImage()", 2000);'
'}'
'};'
'xhr.send(null);'
'}'
'</script>\n'
'</head><body onLoad="getImage();" style="text-align: center;">\n'
'<h1>Android photos!</h1>\n'
'<img id=i height=80% src="http://www.android.com/images/opensourceproject.gif">\n'
'<br><a href="/droiddemo.py">source code</a>'
'| <a href="/status.html">kite status</a>\n'
'</body></head>')
def listFiles(self):
mtimes = {}
for item in os.listdir(self.CAMERA_PATH):
iname = '%s/%s' % (self.CAMERA_PATH, item)
if iname.endswith('.jpg'):
mtimes[iname] = os.path.getmtime(iname)
files = mtimes.keys()
files.sort(lambda x,y: cmp(mtimes[x], mtimes[y]))
return files
def do_GET(self):
(scheme, netloc, path, params, query, frag) = urlparse(self.path)
p = unquote(path)
if p.endswith('.jpg') and p.startswith(self.CAMERA_PATH) and ('..' not in p):
try:
jpgfile = open(p)
self.send_response(200)
self.send_header('Content-Type', 'image/jpeg')
self.send_header('Content-Length', '%s' % os.path.getsize(p))
self.send_header('Cache-Control', 'max-age: 36000')
self.send_header('Expires', 'Sat, 1 Jan 2011 12:00:00 GMT')
self.send_header('Last-Modified', 'Wed, 1 Sep 2011 12:00:00 GMT')
self.end_headers()
data = jpgfile.read()
while data:
try:
sent = self.wfile.write(data[0:15000])
data = data[15000:]
except Exception:
pass
return
except Exception, e:
print '%s' % e
pass
if path == '/latest-image.txt':
flist = self.listFiles()
self.begin_headers(200, 'text/plain')
self.end_headers()
self.wfile.write(flist[-1])
return
elif path == '/droiddemo.py':
try:
pyfile = open(SOURCE)
self.begin_headers(200, 'text/plain')
self.end_headers()
self.wfile.write(pyfile.read().replace(SECRET, 'mysecret'))
except IOError, e:
self.begin_headers(404, 'text/plain')
self.end_headers()
self.wfile.write('Could not read %s: %s' % (SOURCE, e))
return
elif path == '/':
self.begin_headers(200, 'text/html')
self.end_headers()
self.wfile.write(self.HOME)
return
return pagekite.UiRequestHandler.do_GET(self)
class DroidKite(pagekite.PageKite):
def __init__(self, droid):
pagekite.PageKite.__init__(self)
self.droid = droid
self.ui_request_handler = UiRequestHandler
def Start(host, secret):
ds = DroidKite(android.Android())
ds.Configure(['--defaults',
'--httpd=localhost:9999',
'--backend=http:%s:localhost:9999:%s' % (host, secret)])
ds.Start()
Start(DOMAIN, SECRET)
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