m

volumes/snippets/enable-vouch-no-subdomain.conf

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+
+# send all requests to the `/validate` endpoint for authorization
+auth_request /validate;
+
+location = /validate {
+    # forward the /validate request to Vouch Proxy
+    proxy_pass http://vouch:9090/validate;
+
+    # be sure to pass the original host header
+    proxy_set_header Host $http_host;
+
+    # Vouch Proxy only acts on the request headers
+    proxy_pass_request_body off;
+    proxy_set_header Content-Length "";
+
+    # optionally add X-Vouch-User as returned by Vouch Proxy along with the request
+    auth_request_set $auth_resp_x_vouch_user $upstream_http_x_vouch_user;
+
+    # these return values are used by the @error401 call
+    auth_request_set $auth_resp_jwt $upstream_http_x_vouch_jwt;
+    auth_request_set $auth_resp_err $upstream_http_x_vouch_err;
+    auth_request_set $auth_resp_failcount $upstream_http_x_vouch_failcount;
+}
+
+# if validate returns `401 not authorized` then forward the request to the error401block
+error_page 401 = @error401;
+
+location @error401 {
+    # redirect to Vouch Proxy for login
+    return 302 https://vouch.yourdomain.com:9090/login?url=$scheme://$http_host$request_uri&vouch-failcount=$auth_resp_failcount&X-Vouch-Token=$auth_resp_jwt&error=$auth_resp_err;
+}