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Environment variables
Empty. Not supported in WebSockets.
Empty. Not supported in WebSockets.
Empty. Not supported in WebSockets.
The string websocketd-CGI/0.1.
Future enhancements may change the version.
Example:
GATEWAY_INTERFACE=websocketd-CGI/0.1
HTTP Cookies, if present.
Example:
HTTP_COOKIE=session=1234; prefs=foo`
The base URL of the origin site that initiated the WebSocket.
Example:
HTTP_ORIGIN=https://github.com/
TODO
TODO
Everything after the ? in the URL.
Example: If the requested WebSocket URL is ws://localhost:1234/somedir/myscript.py?name=me&msg=hello%20world, then:
QUERY_STRING=name=me&msg=hello%20world
IP address of remote WebSocket client.
Example:
REMOTE_ADDR=123.123.123.123
Reverse DNS lookup of remote WebSocket client.
Example:
REMOTE_HOST=somemachine.someisp.com
If the reverse DNS lookup fails, or if --reverselookup=false is specified on the websocketd command line, this value will fallback to the same value of REMOTE_ADDR.
Empty. Not supported in WebSockets.
Source port of remote WebSocket client.
Example:
REMOTE_PORT=52696
(Non standard)
Empty. Not supported in WebSockets.
The HTTP request method. For WebSockets, this is always GET.
Example:
REQUEST_METHOD=GET
The original request URI, as sent by the WebSocket client. This does not include scheme, host or port.
Example: If the requested WebSocket URL is ws://localhost:1234/somedir/myscript.py?name=me&msg=hello%20world, then:
REQUEST_URI=/somedir/myscript.py?name=me&msg=hello%20world
(Non standard)
TODO
The hostname of the server, as specified in the URL.
Example:
SERVER_NAME=www.example.com
The listening port of the server.
Example:
SERVER_PORT=8080
The HTTP protocol, as specified by the client.
Example:
SERVER_PROTOCOL=HTTP/1.1
The string websocketd/x.x.x.x, where x.x.x.x is the version of the websocketd program.
Example:
SERVER_SOFTWARE=websocketd/1.0.0.0
A unique string associated with each WebSocket connection. It can be used for logging and debugging purposes.
The ID should be treated as an opaque payload. It must be treated as a string, not a number. The implementation may change over time.
The ID is only guaranteed to unique within a single websocketd process.
Example:
UNIQUE_ID=45462465645449101442
(Non standard)
Per the CGI specification, all HTTP headers will be set as environment variables. The header name will be transformed:
- String converted to upper-case
- Dashes
-converted to underscores_ - Prefixed with
HTTP_
e.g. If the HTTP header Sec-WebSocket-Version: 13 is present, then:
HTTP_SEC_WEBSOCKET_VERSION=13
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