CURL

curl: transfer a url

curl GET

  • Access a url 
    curl www.cheeger.com
  • Access a https url 
    # -k (--insecure) to fetch with TSL
curl -k https://www.cheeger.com
  • Additional headers 
    curl -H "content-type: application/json" -H ...
  • Basic Authentication 
    curl -u user:password www.cheeger.com
  • with JWT Token 
    curl -H 'Accept: application/json' -H "Authorization: Bearer ${TOKEN}" https://my.restful.api/path
  • with referer 
    curl -e localhost localhost/some/other/path
  • verbose details headers, -v(–verbose) 
    # A line starting with '>' means "header data" sent by curl, '<' means "header data" received
curl -kv https://www.cheeger.com
  • Display response headers 
     curl --head -k https://www.cheeger.com
  • use proxy for connecting 
    curl --proxy yourproxy:port http://www.cheeger.com

curl POST

  • POST with single field 
    curl -XPOST www.cheeger.com -d oneKey=simpleValu
  • POST with json data 
    curl -XPOST www.cheeger.com -d '{"id":"1","name":"my name"}'
  • POST with json data in a local file 
    curl -X POST -H "Content-Type: application/json" -d @../path/to/data DESTINATION
  • POST with formdata, -F/–form <name=content>, e.g. 
    curl \
-F "filename=new image" \
-F "filetype=image" \
-F "file=@/home/user1/Desktop/test.jpg" \
localhost:8000/upload

curl with proxy

curl --header "X-Forwarded-For: 1.1.1.1" http_url

curl on behalf of 1.1.1.1