def render(self, request):
"""You know what you doing."""
self.restat()
if self.type is None:
self.type, self.encoding = getTypeAndEncoding(
self.basename(), self.contentTypes, self.contentEncodings,
self.defaultType)
if not self.exists():
return self.childNotFound.render(request)
if self.isdir():
return self.redirect(request)
#for content-length
fsize = size = self.getFileSize()
# request.setHeader('accept-ranges','bytes')
if self.type:
request.setHeader('content-type', self.type)
if self.encoding:
request.setHeader('content-encoding', self.encoding)
try:
f = self.openForReading()
except IOError, e:
import errno
if e[0] == errno.EACCES:
return error.ForbiddenResource().render(request)
else:
raise
def render(self, request):
#print ""
#print "BufferFile", request
# FIXME detect when request is REALLY finished
if request is None or request.finished :
print "No request to render!"
return ''
"""You know what you doing."""
self.restat()
if self.type is None:
self.type, self.encoding = static.getTypeAndEncoding(self.basename(),
self.contentTypes,
self.contentEncodings,
self.defaultType)
if not self.exists():
return self.childNotFound.render(request)
if self.isdir():
return self.redirect(request)
#for content-length
if (self.target_size > 0):
fsize = size = int(self.target_size)
else:
fsize = size = int(self.getFileSize())
#print fsize
if size == int(self.getFileSize()):
request.setHeader('accept-ranges','bytes')
if self.type:
request.setHeader('content-type', self.type)
if self.encoding:
request.setHeader('content-encoding', self.encoding)
try:
f = self.openForReading()
except IOError, e:
import errno
if e[0] == errno.EACCES:
return error.ForbiddenResource().render(request)
else:
raise
def renderHTTP(self, ctx):
"""You know what you doing."""
self.fp.restat()
if self.type is None:
self.type, self.encoding = getTypeAndEncoding(
self.fp.basename(), self.contentTypes, self.contentEncodings,
self.defaultType)
if not self.fp.exists():
return rend.FourOhFour()
request = inevow.IRequest(ctx)
if self.fp.isdir():
return self.redirect(request)
# fsize is the full file size
# size is the length of the part actually transmitted
fsize = size = self.getFileSize()
request.setHeader('accept-ranges', 'bytes')
if self.type:
request.setHeader('content-type', self.type)
if self.encoding:
request.setHeader('content-encoding', self.encoding)
try:
f = self.openForReading()
except IOError, e:
import errno
if e[0] == errno.EACCES:
return error.ForbiddenResource().render(request)
else:
raise
def forbiddenResource(self, *args):
return error.ForbiddenResource(*args)
def directoryListing(self):
return error.ForbiddenResource()
# Create a new random session name and redirect to it.
sessionName = hexlify(pack("<L", getrandbits(47)))
request.redirect("/session/" + sessionName)
request.finish()
return server.NOT_DONE_YET
if __name__ == "__main__":
root = RootResource()
# Mount the directories containing our static files
staticDir = static.File("./static/")
staticDir.putChild("algorithm", static.File("../algorithm/"))
staticDir.directoryListing = lambda: error.ForbiddenResource()
root.putChild("static", staticDir)
# Create a resource that spawns new sessions as they are accessed
root.putChild("session", SessionDispatcherResource())
# Create a transport endpoint that can be accessed using a WebSocket
site = WebSocketSite(root)
site.addHandler("/transport", TransportHandler)
# Start listening
listener = reactor.listenTCP(PORT, site)
print "EXPERIMENTAL SERVER - Do not use in production environments!"
print "Read the README file before using this."
print
def render(self, request):
#print ""
#print "BufferFile", request
# FIXME detect when request is REALLY finished
if request is None or request.finished:
print("No request to render!")
return ''
"""You know what you doing."""
self.restat()
if self.type is None:
self.type, self.encoding = static.getTypeAndEncoding(
self.basename(), self.contentTypes, self.contentEncodings,
self.defaultType)
if not self.exists():
return self.childNotFound.render(request)
if self.isdir():
return self.redirect(request)
#for content-length
if (self.target_size > 0):
fsize = size = int(self.target_size)
else:
fsize = size = int(self.getFileSize())
#print fsize
if size == int(self.getFileSize()):
request.setHeader('accept-ranges', 'bytes')
if self.type:
request.setHeader('content-type', self.type)
if self.encoding:
request.setHeader('content-encoding', self.encoding)
try:
f = self.openForReading()
except IOError as e:
import errno
if e[0] == errno.EACCES:
return error.ForbiddenResource().render(request)
else:
raise
if request.setLastModified(self.getmtime()) is http.CACHED:
return ''
trans = True
range = request.getHeader('range')
#print "StaticFile", range
tsize = size
if range is not None:
# This is a request for partial data...
bytesrange = range.split('=')
assert bytesrange[0] == 'bytes', \
"Syntactically invalid http range header!"
start, end = bytesrange[1].split('-', 1)
if start:
start = int(start)
# Are we requesting something beyond the current size of the file?
if (start >= self.getFileSize()):
# Retry later!
print(bytesrange)
print(
"Requesting data beyond current scope -> postpone rendering!"
)
self.upnp_retry = reactor.callLater(
1.0, self.render, request)
return server.NOT_DONE_YET
f.seek(start)
if end:
#print ":%s" % end
end = int(end)
else:
end = size - 1
else:
lastbytes = int(end)
if size < lastbytes:
lastbytes = size
start = size - lastbytes
f.seek(start)
fsize = lastbytes
end = size - 1
size = end + 1
fsize = end - int(start) + 1
# start is the byte offset to begin, and end is the byte offset
# to end.. fsize is size to send, tsize is the real size of
# the file, and size is the byte position to stop sending.
if fsize <= 0:
request.setResponseCode(http.REQUESTED_RANGE_NOT_SATISFIABLE)
fsize = tsize
trans = False
else:
request.setResponseCode(http.PARTIAL_CONTENT)
request.setHeader(
'content-range',
"bytes %s-%s/%s " % (str(start), str(end), str(tsize)))
#print "StaticFile", start, end, tsize
request.setHeader('content-length', str(fsize))
if request.method == 'HEAD' or trans == False:
# pretend we're a HEAD request, so content-length
# won't be overwritten.
request.method = 'HEAD'
return ''
#print "StaticFile out", request.headers, request.code
# return data
# size is the byte position to stop sending, not how many bytes to send
BufferFileTransfer(f, size - f.tell(), request)
# and make sure the connection doesn't get closed
return server.NOT_DONE_YET