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I am trying to use Services 7.x-3.11, the latest stable available to authenticate and access Drupal 7.34. Accessing from mobile devices with Native coding. I want to keep the user authenticated forever. Is it possible?

Here is the workflow i am following.

First launch of app

  1. POST /services/session/token to retrieve CSRF Token
  2. POST myendpoint/system/connect with X-CSRF-Token header
  3. IF not Logged In Try Log in /myendpoint/user/login
  4. Log in Success and keep session_name=sessionid in Cookie Varible

Future Launches

  1. POST /services/session/token to retrieve CSRF Token
  2. POST myendpoint/system/connect with X-CSRF-Token header along with previousely saved session_name=sessionid as Cookie Header

From this point I am getting ["CSRF validation failed"] message. Am I missing something? Is the workflow correct?

2

Evidently the workflow has been simplified. I make a single call to /user/login. Here is an example:

{
  "method": "POST",
  "url": "http://HOSTNAME/SERVICE_PATH/user/login",
  "headers": {
    "Content-Type": "application/json",
    "Accept": "application/json",
    "Connection": "keep-alive"
  },
  "json": {
    "username": "USERNAME",
    "password": "PASSWORD"
  }
}

which returns:

Response: {
  "sessid": "waroHcB4h8rbU0yhZjh-zGLAquZYlpayC_kB38gx--I",
  "session_name": "SESSb4d5ba755bb4eb727d982993490e6681",
  "token": "MHT4hmagxHgf0lOYlkENGlTZGk2AZ96G3p3ZCCc2kvo",
...
}

Now the cookie is created by concating the session_name and sessid with the equal sign separating them. The X-CSRF-Token header is simply the token in the response. All future requests will reuse the X-CSRF-Token: and Cookie: headers:

Here is an example of a user profile request:

{
  "method": "POST",
  "url": "http://http://HOSTNAME/SERVICE_PATH/user/profile",
  "headers": {
    "Content-Type": "application/json",
    "Accept": "application/json",
    "Connection": "keep-alive",
    "X-CSRF-Token": "MHT4hmagxHgf0lOYlkENGlTZGk2AZ96G3p3ZCCc2kvo",
    "Cookie": "SESSb4d5ba755bb4eb727d982993490e6681=waroHcB4h8rbU0yhZjh-zGLAquZYlpayC_kB38gx--I"
  }
}

Short answer: call /user/login once, set and reuse the X-CSRF-Token: and Cookie: headers for all future REST calls.

  • 1
    Thank you for posting this! Virtually every piece of documentation available is out of date and doesn't reflect this. – Jon G - Megaphone Tech Feb 6 '18 at 8:24
  • I almost never use Drupal, and this information was so difficult to come by, that I sought out this question just to share. Glad it helped and I have no idea if it remains relevant. – Shannon Haworth May 17 at 16:24
1

Don't request for new CSRF token use the returned one for previous request.

You will find it in a key named token in the result returned.

Just request a new csrfCSRF token for the first time only.

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