Created
January 14, 2020 12:50
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#!/bin/bash | |
# https://stackoverflow.com/a/47609921/1497139 | |
# Usage corstest -v http://example.com | |
#ansi colors | |
#http://www.csc.uvic.ca/~sae/seng265/fall04/tips/s265s047-tips/bash-using-colors.html | |
blue='\033[0;34m' | |
red='\033[0;31m' | |
green='\033[0;32m' # '\e[1;32m' is too bright for white bg. | |
endColor='\033[0m' | |
# | |
# a colored message | |
# params: | |
# 1: l_color - the color of the message | |
# 2: l_msg - the message to display | |
# | |
color_msg() { | |
local l_color="$1" | |
local l_msg="$2" | |
echo -e "${l_color}$l_msg${endColor}" | |
} | |
# | |
# show the usage | |
# | |
usage() { | |
echo "usage: [-v] $0 url" | |
echo " -v |--verbose: show curl result" | |
exit 1 | |
} | |
if [ $# -lt 1 ] | |
then | |
usage | |
fi | |
# commandline option | |
while [ "$1" != "" ] | |
do | |
url=$1 | |
shift | |
# optionally show usage | |
case $url in | |
-v|--verbose) | |
verbose=true; | |
;; | |
esac | |
done | |
if [ "$verbose" = "true" ] | |
then | |
curl -s -X GET $url -H 'Cache-Control: no-cache' --head | |
fi | |
origin=$(curl -s -X GET $url -H 'Cache-Control: no-cache' --head | grep Access-Control) | |
if [ $? -eq 0 ] | |
then | |
color_msg $green "$url $origin" | |
else | |
color_msg $red "$url does not support CORS" | |
color_msg $blue "you might want to visit https://enable-cors.org/ to find out how to enable CORS" | |
fi |
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