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dumbproxy HMAC auth on HAProxy 3.0+
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| global | |
| log /dev/log local0 | |
| log /dev/log local1 notice | |
| chroot /var/lib/haproxy | |
| stats socket /run/haproxy/admin.sock mode 660 level admin | |
| stats timeout 30s | |
| user haproxy | |
| group haproxy | |
| daemon | |
| # Default SSL material locations | |
| ca-base /etc/ssl/certs | |
| crt-base /etc/ssl/private | |
| # See: https://ssl-config.mozilla.org/#server=haproxy&server-version=2.0.3&config=intermediate | |
| ssl-default-bind-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384 | |
| ssl-default-bind-ciphersuites TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256 | |
| ssl-default-bind-options ssl-min-ver TLSv1.2 no-tls-tickets | |
| set-var proc.hmac_key str(14Eg31ZAUSfVe4mFJWDGx3sLVeef5XC4ojfkXWE4KA4=) | |
| defaults | |
| log global | |
| mode http | |
| option httplog | |
| option dontlognull | |
| timeout connect 5000 | |
| timeout client 50000 | |
| timeout server 50000 | |
| errorfile 400 /etc/haproxy/errors/400.http | |
| errorfile 403 /etc/haproxy/errors/403.http | |
| errorfile 408 /etc/haproxy/errors/408.http | |
| errorfile 500 /etc/haproxy/errors/500.http | |
| errorfile 502 /etc/haproxy/errors/502.http | |
| errorfile 503 /etc/haproxy/errors/503.http | |
| errorfile 504 /etc/haproxy/errors/504.http | |
| frontend main | |
| bind :8080 | |
| mode http | |
| option http-use-proxy-header | |
| http-request set-var(txn.raw_auth_expire) http_auth_pass,ub64dec,bytes(0,8) | |
| http-request set-var(txn.auth_expire) var(txn.raw_auth_expire),be2hex,hex2i | |
| http-request set-var(txn.auth_current_ts) date | |
| http-request set-var(txn.auth_tag) http_auth_pass,ub64dec,bytes(8,32) | |
| http-request set-var-fmt(txn.hmac_input) "%{+bin}o%[str(dumbproxy grant token v1)]%[http_auth_user]%[var(txn.raw_auth_expire)]" | |
| http-request set-var(txn.auth_expected_tag) var(txn.hmac_input),hmac(sha256,proc.hmac_key) | |
| acl tag_ok var(txn.auth_tag),secure_memcmp(txn.auth_expected_tag) | |
| acl tag_expired var(txn.auth_expire),sub(txn.auth_current_ts) -m int le 0 | |
| http-request auth realm "Private Area" unless !tag_expired tag_ok | |
| default_backend proxy | |
| backend proxy | |
| server proxy 127.0.0.1:8181 |
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Important
Requires HAProxy 3.0+