Python tornado.httputil._encode_header() Examples
The following are 9
code examples of tornado.httputil._encode_header().
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tornado.httputil
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Example #1
| Source File: websocket.py From tornado-zh with MIT License | 4 votes |
|
def _accept_connection(self):
subprotocol_header = ''
subprotocols = self.request.headers.get("Sec-WebSocket-Protocol", '')
subprotocols = [s.strip() for s in subprotocols.split(',')]
if subprotocols:
selected = self.handler.select_subprotocol(subprotocols)
if selected:
assert selected in subprotocols
subprotocol_header = ("Sec-WebSocket-Protocol: %s\r\n"
% selected)
extension_header = ''
extensions = self._parse_extensions_header(self.request.headers)
for ext in extensions:
if (ext[0] == 'permessage-deflate' and
self._compression_options is not None):
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors('server', ext[1])
if ('client_max_window_bits' in ext[1] and
ext[1]['client_max_window_bits'] is None):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]['client_max_window_bits']
extension_header = ('Sec-WebSocket-Extensions: %s\r\n' %
httputil._encode_header(
'permessage-deflate', ext[1]))
break
if self.stream.closed():
self._abort()
return
self.stream.write(tornado.escape.utf8(
"HTTP/1.1 101 Switching Protocols\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Sec-WebSocket-Accept: %s\r\n"
"%s%s"
"\r\n" % (self._challenge_response(),
subprotocol_header, extension_header)))
self._run_callback(self.handler.open, *self.handler.open_args,
**self.handler.open_kwargs)
self._receive_frame()
Example #2
| Source File: websocket.py From tornado-zh with MIT License | 4 votes |
|
def _accept_connection(self):
subprotocol_header = ''
subprotocols = self.request.headers.get("Sec-WebSocket-Protocol", '')
subprotocols = [s.strip() for s in subprotocols.split(',')]
if subprotocols:
selected = self.handler.select_subprotocol(subprotocols)
if selected:
assert selected in subprotocols
subprotocol_header = ("Sec-WebSocket-Protocol: %s\r\n"
% selected)
extension_header = ''
extensions = self._parse_extensions_header(self.request.headers)
for ext in extensions:
if (ext[0] == 'permessage-deflate' and
self._compression_options is not None):
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors('server', ext[1])
if ('client_max_window_bits' in ext[1] and
ext[1]['client_max_window_bits'] is None):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]['client_max_window_bits']
extension_header = ('Sec-WebSocket-Extensions: %s\r\n' %
httputil._encode_header(
'permessage-deflate', ext[1]))
break
if self.stream.closed():
self._abort()
return
self.stream.write(tornado.escape.utf8(
"HTTP/1.1 101 Switching Protocols\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Sec-WebSocket-Accept: %s\r\n"
"%s%s"
"\r\n" % (self._challenge_response(),
subprotocol_header, extension_header)))
self._run_callback(self.handler.open, *self.handler.open_args,
**self.handler.open_kwargs)
self._receive_frame()
Example #3
| Source File: websocket.py From opendevops with GNU General Public License v3.0 | 4 votes |
|
def _accept_connection(self, handler: WebSocketHandler) -> None:
subprotocol_header = handler.request.headers.get("Sec-WebSocket-Protocol")
if subprotocol_header:
subprotocols = [s.strip() for s in subprotocol_header.split(",")]
else:
subprotocols = []
self.selected_subprotocol = handler.select_subprotocol(subprotocols)
if self.selected_subprotocol:
assert self.selected_subprotocol in subprotocols
handler.set_header("Sec-WebSocket-Protocol", self.selected_subprotocol)
extensions = self._parse_extensions_header(handler.request.headers)
for ext in extensions:
if ext[0] == "permessage-deflate" and self._compression_options is not None:
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors("server", ext[1], self._compression_options)
if (
"client_max_window_bits" in ext[1]
and ext[1]["client_max_window_bits"] is None
):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]["client_max_window_bits"]
handler.set_header(
"Sec-WebSocket-Extensions",
httputil._encode_header("permessage-deflate", ext[1]),
)
break
handler.clear_header("Content-Type")
handler.set_status(101)
handler.set_header("Upgrade", "websocket")
handler.set_header("Connection", "Upgrade")
handler.set_header("Sec-WebSocket-Accept", self._challenge_response(handler))
handler.finish()
self.stream = handler._detach_stream()
self.start_pinging()
try:
open_result = handler.open(*handler.open_args, **handler.open_kwargs)
if open_result is not None:
await open_result
except Exception:
handler.log_exception(*sys.exc_info())
self._abort()
return
await self._receive_frame_loop()
Example #4
| Source File: websocket.py From teleport with Apache License 2.0 | 4 votes |
|
def _accept_connection(self):
subprotocol_header = self.request.headers.get("Sec-WebSocket-Protocol")
if subprotocol_header:
subprotocols = [s.strip() for s in subprotocol_header.split(',')]
else:
subprotocols = []
self.selected_subprotocol = self.handler.select_subprotocol(subprotocols)
if self.selected_subprotocol:
assert self.selected_subprotocol in subprotocols
self.handler.set_header("Sec-WebSocket-Protocol", self.selected_subprotocol)
extensions = self._parse_extensions_header(self.request.headers)
for ext in extensions:
if (ext[0] == 'permessage-deflate' and
self._compression_options is not None):
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors('server', ext[1], self._compression_options)
if ('client_max_window_bits' in ext[1] and
ext[1]['client_max_window_bits'] is None):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]['client_max_window_bits']
self.handler.set_header("Sec-WebSocket-Extensions",
httputil._encode_header(
'permessage-deflate', ext[1]))
break
self.handler.clear_header("Content-Type")
self.handler.set_status(101)
self.handler.set_header("Upgrade", "websocket")
self.handler.set_header("Connection", "Upgrade")
self.handler.set_header("Sec-WebSocket-Accept", self._challenge_response())
self.handler.finish()
self.handler._attach_stream()
self.stream = self.handler.stream
self.start_pinging()
open_result = self._run_callback(self.handler.open, *self.handler.open_args,
**self.handler.open_kwargs)
if open_result is not None:
yield open_result
yield self._receive_frame_loop()
Example #5
| Source File: websocket.py From teleport with Apache License 2.0 | 4 votes |
|
def _accept_connection(self, handler: WebSocketHandler) -> None:
subprotocol_header = handler.request.headers.get("Sec-WebSocket-Protocol")
if subprotocol_header:
subprotocols = [s.strip() for s in subprotocol_header.split(",")]
else:
subprotocols = []
self.selected_subprotocol = handler.select_subprotocol(subprotocols)
if self.selected_subprotocol:
assert self.selected_subprotocol in subprotocols
handler.set_header("Sec-WebSocket-Protocol", self.selected_subprotocol)
extensions = self._parse_extensions_header(handler.request.headers)
for ext in extensions:
if ext[0] == "permessage-deflate" and self._compression_options is not None:
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors("server", ext[1], self._compression_options)
if (
"client_max_window_bits" in ext[1]
and ext[1]["client_max_window_bits"] is None
):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]["client_max_window_bits"]
handler.set_header(
"Sec-WebSocket-Extensions",
httputil._encode_header("permessage-deflate", ext[1]),
)
break
handler.clear_header("Content-Type")
handler.set_status(101)
handler.set_header("Upgrade", "websocket")
handler.set_header("Connection", "Upgrade")
handler.set_header("Sec-WebSocket-Accept", self._challenge_response(handler))
handler.finish()
self.stream = handler._detach_stream()
self.start_pinging()
try:
open_result = handler.open(*handler.open_args, **handler.open_kwargs)
if open_result is not None:
await open_result
except Exception:
handler.log_exception(*sys.exc_info())
self._abort()
return
await self._receive_frame_loop()
Example #6
| Source File: websocket.py From teleport with Apache License 2.0 | 4 votes |
|
def _accept_connection(self, handler: WebSocketHandler) -> None:
subprotocol_header = handler.request.headers.get("Sec-WebSocket-Protocol")
if subprotocol_header:
subprotocols = [s.strip() for s in subprotocol_header.split(",")]
else:
subprotocols = []
self.selected_subprotocol = handler.select_subprotocol(subprotocols)
if self.selected_subprotocol:
assert self.selected_subprotocol in subprotocols
handler.set_header("Sec-WebSocket-Protocol", self.selected_subprotocol)
extensions = self._parse_extensions_header(handler.request.headers)
for ext in extensions:
if ext[0] == "permessage-deflate" and self._compression_options is not None:
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors("server", ext[1], self._compression_options)
if (
"client_max_window_bits" in ext[1]
and ext[1]["client_max_window_bits"] is None
):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]["client_max_window_bits"]
handler.set_header(
"Sec-WebSocket-Extensions",
httputil._encode_header("permessage-deflate", ext[1]),
)
break
handler.clear_header("Content-Type")
handler.set_status(101)
handler.set_header("Upgrade", "websocket")
handler.set_header("Connection", "Upgrade")
handler.set_header("Sec-WebSocket-Accept", self._challenge_response(handler))
handler.finish()
self.stream = handler._detach_stream()
self.start_pinging()
try:
open_result = handler.open(*handler.open_args, **handler.open_kwargs)
if open_result is not None:
await open_result
except Exception:
handler.log_exception(*sys.exc_info())
self._abort()
return
await self._receive_frame_loop()
Example #7
| Source File: websocket.py From pySINDy with MIT License | 4 votes |
|
def _accept_connection(self):
subprotocol_header = self.request.headers.get("Sec-WebSocket-Protocol")
if subprotocol_header:
subprotocols = [s.strip() for s in subprotocol_header.split(',')]
else:
subprotocols = []
self.selected_subprotocol = self.handler.select_subprotocol(subprotocols)
if self.selected_subprotocol:
assert self.selected_subprotocol in subprotocols
self.handler.set_header("Sec-WebSocket-Protocol", self.selected_subprotocol)
extensions = self._parse_extensions_header(self.request.headers)
for ext in extensions:
if (ext[0] == 'permessage-deflate' and
self._compression_options is not None):
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors('server', ext[1], self._compression_options)
if ('client_max_window_bits' in ext[1] and
ext[1]['client_max_window_bits'] is None):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]['client_max_window_bits']
self.handler.set_header("Sec-WebSocket-Extensions",
httputil._encode_header(
'permessage-deflate', ext[1]))
break
self.handler.clear_header("Content-Type")
self.handler.set_status(101)
self.handler.set_header("Upgrade", "websocket")
self.handler.set_header("Connection", "Upgrade")
self.handler.set_header("Sec-WebSocket-Accept", self._challenge_response())
self.handler.finish()
self.handler._attach_stream()
self.stream = self.handler.stream
self.start_pinging()
open_result = self._run_callback(self.handler.open, *self.handler.open_args,
**self.handler.open_kwargs)
if open_result is not None:
yield open_result
yield self._receive_frame_loop()
Example #8
| Source File: websocket.py From EventGhost with GNU General Public License v2.0 | 4 votes |
|
def _accept_connection(self):
subprotocol_header = ''
subprotocols = self.request.headers.get("Sec-WebSocket-Protocol", '')
subprotocols = [s.strip() for s in subprotocols.split(',')]
if subprotocols:
selected = self.handler.select_subprotocol(subprotocols)
if selected:
assert selected in subprotocols
subprotocol_header = ("Sec-WebSocket-Protocol: %s\r\n"
% selected)
extension_header = ''
extensions = self._parse_extensions_header(self.request.headers)
for ext in extensions:
if (ext[0] == 'permessage-deflate' and
self._compression_options is not None):
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors('server', ext[1])
if ('client_max_window_bits' in ext[1] and
ext[1]['client_max_window_bits'] is None):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]['client_max_window_bits']
extension_header = ('Sec-WebSocket-Extensions: %s\r\n' %
httputil._encode_header(
'permessage-deflate', ext[1]))
break
if self.stream.closed():
self._abort()
return
self.stream.write(tornado.escape.utf8(
"HTTP/1.1 101 Switching Protocols\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Sec-WebSocket-Accept: %s\r\n"
"%s%s"
"\r\n" % (self._challenge_response(),
subprotocol_header, extension_header)))
self._run_callback(self.handler.open, *self.handler.open_args,
**self.handler.open_kwargs)
self._receive_frame()
Example #9
| Source File: websocket.py From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International | 4 votes |
|
def _accept_connection(self, handler: WebSocketHandler) -> None:
subprotocol_header = handler.request.headers.get("Sec-WebSocket-Protocol")
if subprotocol_header:
subprotocols = [s.strip() for s in subprotocol_header.split(",")]
else:
subprotocols = []
self.selected_subprotocol = handler.select_subprotocol(subprotocols)
if self.selected_subprotocol:
assert self.selected_subprotocol in subprotocols
handler.set_header("Sec-WebSocket-Protocol", self.selected_subprotocol)
extensions = self._parse_extensions_header(handler.request.headers)
for ext in extensions:
if ext[0] == "permessage-deflate" and self._compression_options is not None:
# TODO: negotiate parameters if compression_options
# specifies limits.
self._create_compressors("server", ext[1], self._compression_options)
if (
"client_max_window_bits" in ext[1]
and ext[1]["client_max_window_bits"] is None
):
# Don't echo an offered client_max_window_bits
# parameter with no value.
del ext[1]["client_max_window_bits"]
handler.set_header(
"Sec-WebSocket-Extensions",
httputil._encode_header("permessage-deflate", ext[1]),
)
break
handler.clear_header("Content-Type")
handler.set_status(101)
handler.set_header("Upgrade", "websocket")
handler.set_header("Connection", "Upgrade")
handler.set_header("Sec-WebSocket-Accept", self._challenge_response(handler))
handler.finish()
self.stream = handler._detach_stream()
self.start_pinging()
try:
open_result = handler.open(*handler.open_args, **handler.open_kwargs)
if open_result is not None:
await open_result
except Exception:
handler.log_exception(*sys.exc_info())
self._abort()
return
await self._receive_frame_loop()
