27 lines
No EOL
1.4 KiB
Text
27 lines
No EOL
1.4 KiB
Text
# Connection header for WebSocket reverse proxy
|
|
|
|
map $http_upgrade $connection_upgrade {
|
|
default upgrade;
|
|
"" close;
|
|
}
|
|
|
|
map $remote_addr $proxy_forwarded_elem {
|
|
|
|
# IPv4 addresses can be sent as-is
|
|
~^[0-9.]+$ "for=$remote_addr";
|
|
|
|
# IPv6 addresses need to be bracketed and quoted
|
|
~^[0-9A-Fa-f:.]+$ "for=\"[$remote_addr]\"";
|
|
|
|
# Unix domain socket names cannot be represented in RFC 7239 syntax
|
|
default "for=unknown";
|
|
}
|
|
|
|
map $http_forwarded $proxy_add_forwarded {
|
|
|
|
# If the incoming Forwarded header is syntactically valid, append to it
|
|
"~^(,[ \\t]*)*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*([ \\t]*,([ \\t]*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*)?)*$" "$http_forwarded, $proxy_forwarded_elem";
|
|
|
|
# Otherwise, replace it
|
|
default "$proxy_forwarded_elem";
|
|
} |