misc - default pages for default server

src/common/core/misc/confs/default-server-http/errors.conf

@@ -0,0 +1,32 @@
+{% set default_errors = ["400", "401", "403", "404", "405", "413", "429", "500", "501", "502", "503", "504"] %}
+
+{% for default_error in default_errors %}
+	{% if not default_error + "=" in ERRORS +%}
+		{% if default_error == "405" +%}
+error_page 405 =200 @405;
+		{% else +%}
+error_page {{ default_error }} @{{ default_error }};
+		{% endif +%}
+location @{{ default_error }} {
+	auth_basic off;
+	internal;
+	modsecurity off;
+	default_type 'text/html';
+	content_by_lua_block {
+		local logger = require "logger"
+		local errors = require "errors.errors"
+		local html, err
+		if ngx.status == 200 then
+			html, err = errors.error_html(tostring(405))
+		else
+			html, err = errors.error_html(tostring(ngx.status))
+		end
+		if not html then
+			logger.log(ngx.ERR, "ERRORS", "Error while computing HTML error template for {{ default_error }} : " .. err)
+		else
+			ngx.say(html)
+		end
+	}
+}
+	{% endif %}
+{% endfor %}