How to use cURL to send Cookies

Question

I read that Send cookies with curl works  but not for me   I have a REST endpoint as   class LoginResource restful Resource       def get self           print session          if  USER TOKEN  in session              return  OK          return  not authorized   401   When I try to access as   curl -v -b   Downloads cookies txt -c   Downloads cookies txt http   127 0 0 1 5000    About to connect   to 127 0 0 1 port 5000   0      Trying 127 0 0 1      connected   Connected to 127 0 0 1  127 0 0 1  port 5000   0   gt  GET   HTTP 1 1  gt  User-Agent  curl 7 27 0  gt  Host  127 0 0 1 5000  gt  Accept       gt    HTTP 1 0  assume close after body  lt  HTTP 1 0 401 UNAUTHORIZED  lt  Content-Type  application json  lt  Content-Length  16  lt  Server  Werkzeug 0 8 3 Python 2 7 2  lt  Date  Sun  14 Apr 2013 04 45 45 GMT  lt    Closing connection  0  not authorized     Where my   Downloads cookies txt is   cat   Downloads cookies txt USER TOKEN in   and the server receives nothing   127 0 0 1 - -  13 Apr 2013 21 43 52   GET   HTTP 1 1  401 - 127 0 0 1 - -  13 Apr 2013 21 45 30   GET   HTTP 1 1  401 -  lt SecureCookieSession    gt   lt SecureCookieSession    gt  127 0 0 1 - -  13 Apr 2013 21 45 45   GET   HTTP 1 1  401 -   What is that I am missing

User · Answer

curl -H   lt header file gt   lt host gt  Since curl 7 55 headers from file are supported with   lt file gt  echo  Cookie  USER TOKEN Yes   gt   tmp cookie curl -H   tmp cookie  lt host gt  docs  amp  commit

User · Answer

I m using Debian  and I was unable to use tilde for the path  Originally I was using curl -c  quot   cookie quot  http   localhost 5000 login -d username myname password mypassword  I had to change this to  curl -c  quot  tmp cookie quot  http   localhost 5000 login -d username myname password mypassword  -c creates the cookie  -b uses the cookie so then I d use for instance  curl -b  quot  tmp cookie quot  http   localhost 5000 getData

User · Answer

If you have made that request in your application already  and see it logged in Google Dev Tools  you can use the copy cURL command from the context menu when right-clicking on the request in the network tab  Copy -  Copy as cURL  It will contain all headers  cookies  etc

User · Answer

You can refer to https   curl haxx se docs http-cookies html for a complete tutorial of how to work with cookies  You can use   curl -c  path to cookiefile http   yourhost    to write to a cookie file and start engine and to use cookie you can use   curl -b  path to cookiefile  http   yourhost    to read cookies from and start the cookie engine  or if it isn t a file it will pass on the given string

User · Answer

This worked for me   curl -v --cookie  USER TOKEN Yes  http   127 0 0 1 5000    I could see the value in backend using  print request cookies

User · Answer

You are using a wrong format in your cookie file  As curl documentation states  it uses an old Netscape cookie file format  which is different from the format used by web browsers  If you need to create a curl cookie file manually  this post should help you  In your example the file should contain following line  127 0 0 1   FALSE       FALSE   0   USER TOKEN  in   having 7 TAB-separated fields meaning domain  tailmatch  path  secure  expires  name  value

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