cloudflare=""
recaptcha=""

# Cloudflare test
cloudflare=`echo "$content"	 | grep "<title>Attention Required! | Cloudflare</title>"`
if [[ -n "${cloudflare}" ]]
then
	error "Cloudflare blocked the request."
    
	if [[ -n "${proxy}" ]]
	then
		warn "Are you using Tor? If so, try using rsstube again with the -t option."
	fi
fi

# general Google reCAPTCHA
recaptcha=`echo "$content" | grep "google.com/recaptcha/api"`
if [[ -n "${recaptcha}" ]]
then
	error "reCAPTCHA requested"
fi

# HTTP errors
http_response=`echo "$content" | head -1 | xargs`
http_response=${http_response#* }

# print appropriate status code
case $http_response in
	# 2xx success
	200) response_message="200 OK" ;;
	
	# 3xx redirection should already be handled by curl -L flag
	301) response_message="301 Moved Permanently" ;;
	302) response_message="302 Found" ;;
	303) response_message="303 See Other" ;;
	307) response_message="307 Temporary Redirect" ;;
	308) response_message="308 Permanent Redirect" ;;
	
	# 4xx client errors
	400) response_message="400 Bad Request" ;;
	401) response_message="401 Unauthorized" ;;
	402) response_message="402 Payment Required" ;;
	403) response_message="403 Forbidden" ;;
	404) response_message="404 Not Found" ;;
	405) response_message="405 Method Not Allowed" ;;
	406) response_message="406 Not Acceptable" ;;
	407) response_message="407 Proxy Authentication Required" ;;
	408) response_message="408 Request Timeout" ;;
	409) response_message="409 Conflict" ;;
	410) response_message="410 Gone" ;;
	411) response_message="411 Length Required" ;;
	412) response_message="412 Precondition Failed" ;;
	413) response_message="413 Payload Too Large" ;;
	414) response_message="414 URI Too Long" ;;
	415) response_message="415 Unsupported Media Type" ;;
	416) response_message="416 Range Not Satisfiable" ;;
	417) response_message="417 Expectation Failed" ;;
	418) response_message="418 I'm a teapot" ;;
	421) response_message="421 Misdirected Request" ;;
	422) response_message="422 Unprocessable Entity" ;;
	423) response_message="423 Locked" ;;
	424) response_message="424 Failed Dependency" ;;
	425) response_message="425 Too Early" ;;
	426) response_message="426 Upgrade Required" ;;
	428) response_message="428 Precondition Required" ;;
	429) response_message="429 Too Many Requests" ;;
	431) response_message="431 Request Header Fields Too Large" ;;
	451) response_message="451 Unavailable For Legal Reasons" ;;
	
	# 5xx server errors
	500) response_message="500 Internal Server Error" ;;
	501) response_message="501 Not Implemented" ;;
	502) response_message="502 Bad Gateway" ;;
	503) response_message="503 Service Unavailable" ;;
	504) response_message="504 Gateway Timeout" ;;
	505) response_message="505 HTTP Version Not Supported" ;;
	506) response_message="506 Variant Also Negotiates" ;;
	507) response_message="507 Insufficient Storage" ;;
	508) response_message="508 Loop Detected" ;;
	510) response_message="510 Not Extended" ;;
	511) response_message="511 Network Authentication Required" ;;
esac

response_message="Server responded ${response_message}"
case ${response_message:17:1} in
	2) notify "$response_message" ;;
	3) warn "$response_message" ;;
	4|5) error "$response_message" ;;
esac