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API for Authentication and Authorization

API for Authentication

Create User

POST https://auth-staging.sagebase.org/auth/v1/user
{"email":"demouser@sagebase.org", "firstName":"demo", "lastName":"user", "displayName":"Demo User"}

Successful Response:

HTTP/1.1 201 Created

Missing password or user ID already exists:

HTTP/1.1 400 Bad Request

Note:  As a side effect this will send an email to the given address, prompting the user to set their password.

Get User

Retrieves the user based on the session token header, which is required.  Note:  the "password" field will be null, since retrieving a user's password is not permitted.

GET https://auth-staging.sagebase.org/auth/v1/user

HTTP/1.1 200 OK
Content-Type: application/json
{
  "displayName": "Demo User",
  "email": "demouser@sagebase.org",
  "firstName": "demo",
  "lastName": "user",
  "password": null
}

Update User

PUT https://auth-staging.sagebase.org/auth/v1/user
sessionToken:<sessionToken>
{"firstName":"demo", "lastName":"user", "displayName":"Demo User"}

 where <sessionToken> is that returned by "Initiate Session", below.  This service updates the user who is authenticated by the session token.

Note the authentication service manage the properties shown (principally the userId and password) while the repository services (below) manage other related user attributes.

Successful Response:

HTTP/1.1 204 No Content

Error Response, if the session token is missing or does not match userId:

HTTP/1.1 400 Bad Request
Content-Type: application/json
{"reason":"Not authorized."}

Send Change-Password Email

POST https://auth-staging.sagebase.org/auth/v1/userPasswordEmail
{"email":"demouser@sagebase.org"}

Successful Response:

HTTP/1.1 204 No Content

If the email address is not in the user database:

HTTP/1.1 400 Bad Request

Note: The email template is in the auth-util package, in the file resetpasswordEmail.txt. The reset link, along with the smtp parameters, is in the file authutil.properties.

Send Set-API-Password Email

POST https://auth-staging.sagebase.org/auth/v1/apiPasswordEmail
{"email":"demouser@sagebase.org"}

Successful Response:

HTTP/1.1 204 No Content

If the email address is not in the user database:

HTTP/1.1 400 Bad Request

Note: The email template is in the auth-util package, in the file setAPIpasswordEmail.txt. The reset link, along with the smtp parameters, is in the file authutil.properties.

Set Password

POST https://auth-staging.sagebase.org/auth/v1/userPassword
{"email":"demouser@sagebase.org", "password":"foobar"}

Successful Response:

HTTP/1.1 204 No Content

Note:  Session token is required in request header.

Create Secret Key for HMAC Authentication

POST https://auth-staging.sagebase.org/auth/v1/secretKey
{"email":"demouser@sagebase.org"}

Successful Response:

HTTP/1.1 201 {"secretKey":"0Ocy/cW/3WIdZg3Up9dguO4Kh5smBKpN7iWXAvVQqekGD3gT4nc7PWwlfOhcL+KW6W4PjXtgPQNhiP7yrwjfwQ=="}

Note:  Session token is required in request header.

Initiate Session (Login)

Request:

POST https://auth-staging.sagebase.org/auth/v1/session
{"email":"demouser@sagebase.org", "password":"demouser-pw"}

Successful Response:

HTTP/1.1 201 Created
Content-Type: application/json
{"displayName":"Demo User","sessionToken":"AYcOhWIm9NdOC6BdzzzisQ00"}

Error Response, if the user authentication details are incorrect:

HTTP/1.1 400 Bad Request
AuthenticationURL: https://auth-staging.sagebase.org/auth/v1/session
Content-Type: application/json
{"reason":"Unable to authenticate."}

Session token is valid for a period of time, currently set to 24 hours.

Refresh Token (reset timer)

Request:

PUT https://auth-staging.sagebase.org/auth/v1/session
{"sessionToken":"AYcOhWIm9NdOC6BdzzzisQ00"}

Successful Response:

HTTP/1.1 204 No Content

Error Response, if the session token is invalid:

HTTP/1.1 404 Not Found
{"reason":"Unable to validate session."}

Terminate Session (Logout)

 Note: Sessions initiated by multiple clients for the same user around the same time will receive identical "single sign on" tokens.  Since session termination is linked to the session token, terminating the session for one client via this command will have the side effect of terminating all sessions.  An alternative is for the client simply to delete its own copy of the token.

Request:

DELETE https://auth-staging.sagebase.org/auth/v1/session
{"sessionToken":"AYcOhWIm9NdOC6BdzzzisQ00"}

Response:

HTTP/1.1 204 NO CONTENT

Sample commands, issued from cURL:

Create User:
curl -k -H "Content-Type:application/json" -H "Accept:application/json" -d "{\"email\":\"demouser@sagebase.org\", \"firstName\":\"demo\", \"lastName\":\"user\", \"displayName\":\"Demo User\"}" -X POST https://auth-staging.sagebase.org/auth/v1/user

Update User:
curl -k -H "Content-Type:application/json" -H "Accept:application/json" -d "{\"email\":\"demouser@sagebase.org\", \"firstName\":\"NEWdemo\", \"lastName\":\"NEWuser\", \"displayName\":\"NEWDemo User\"}" -X PUT https://auth-staging.sagebase.org/auth/v1/user

Send Change Password Email:
curl -k -H "Content-Type:application/json" -H "Accept:application/json" -d "{\"email\":\"demouser@sagebase.org\"}" -X POST https://auth-staging.sagebase.org/auth/v1/userPasswordEmail

Login:
curl -k -H "Content-Type:application/json" -H "Accept:application/json" -d "{\"email\":\"demouser@sagebase.org\", \"password\":\"demouser-pw\"}" -X POST https://auth-staging.sagebase.org/auth/v1/session

Refresh session token:

curl -k -H "Content-Type:application/json" -H "Accept:application/json" -d "{\"sessionToken\":\"QYNoamrOKK0dBhjZOFfbAg00\"}" -X PUT https://auth-staging.sagebase.org/auth/v1/session

Logout:
curl -k -H "Content-Type:application/json" -H "Accept:application/json" -d "{\"sessionToken\":\"QYNoamrOKK0dBhjZOFfbAg00\"}" -X DELETE https://auth-staging.sagebase.org/auth/v1/session

Access repository services anonymously:
curl -H Accept:application/json https://repo-staging.sagebase.org/repo/v1/dataset/test

Access repository services with session token (obtained by logging in):
curl -H Accept:application/json -H sessionToken:AprxPRzpmaPm7FXzV1ik0w00 https://repo-staging.sagebase.org/repo/v1/dataset/test

Authentication of Requests to Platform

Authentication via Session Token

Requests shall include a header named "sessionToken" whose value is that returned by the Initiate Session request, above. (The session will timeout eventually, with a nominal duration of 24 hours.)

Authentication via Secret Key

Request shall include the following headers:

userId: demouser@sagebase.org
signatureTimestamp: 2011-07-16T19:20:30.45+01:00 (i.e. in ISO8601 format including time zone)
signature: <signature>

where <signature> is the HMAC-SHA1 hash created using the shared secret key generated above, and the hashed data is the concatenation:
userId + url + signatureTimestamp

Authentication Failure

For requests that fail to be authenticated the response will include the headers:

WWW-Authenticate: authenticate Crowd

and a plain text body:  "The token provided was invalid or expired."

API for Authorization

Default groups

Currently, there are two default groups that can be used to set permissions:

Group Name

Description

PUBLIC

All users belong to this group. This is the only group that the anonymous@sagebase.org user belongs to. The anonymous user is used for anyone that has not logged in to Synapse. Therefore, granting permission to PUBLIC will grant that permission to everyone including users that have not logged in.

AUTHENTICATED_USERS

All users that have logged in will automatically belong to this group. Therefore, granting permissions to AUTHENTICATED_USERS will grant that permission to any user that has logged in to Synapse.

Get the users who can be added to a resource's ACL

GET https://repo-staging.sagebase.org/repo/v1/user

[
  {"name":"anonymous@sagebase.org","id":"3","creationDate":1307402971000,"uri":null,"etag":null,"individual":true},
  {"name":"foo@sagebase.org","id":"4","creationDate":1307403226000,"uri":null,"etag":null,"individual":true}
]

Get the groups who can be added to a resource's ACL

GET https://repo-staging.sagebase.org/repo/v1/userGroup

[
  {"name":"AUTHENTICATED_USERS","id":"1","creationDate":1307141423000,"uri":null,"etag":null,"individual":false},
  {"name":"PUBLIC","id":"2","creationDate":1307141423000,"uri":null,"etag":null,"individual":false},
  {"name":"Federation Group","id":"3","creationDate":1307141423000,"uri":null,"etag":null,"individual":false}
]

Note: The "name" fields returned from /user and /userGroup are used in the "groupName" fields in the ACLs shown below.

Get Access Control List for a Resource

Returns the ACL for the node responsible for the given node's permissions. Note: In the following example, 'id' is the id of the node to which permissions are attached; there is one 'resourceAccess' entry per UserGroup (aka 'principal') having access to the resource; 'groupName' is the name of the UserGroup object; 'accessType' is the list of types of access the given UserGroup has to the given resource.

GET https://repo-staging.sagebase.org/repo/v1/{resource_type}/{rid}/acl

{"id":"1",
 "creationDate":1307141851484,
 "uri":null,
 "etag":"0",
 "createdBy":"admin",
 "resourceAccess":[
	{"id":"1",
	 "groupName":"PUBLIC",
	 "accessType":["READ","CHANGE_PERMISSIONS","DELETE","UPDATE","CREATE"]
	}
 ],
 "modifiedBy":"admin",
 "modifiedOn":1307141851483
}

Create Access Control List for a Resource

Note: This is only used when the resource 'rid' currently inherits its access control list from an ancestor. This request causes 'rid' to cease ACL inheritance and instead use the ACL passed in with the request.

POST https://repo-staging.sagebase.org/repo/v1/{resource_type}/{rid}/acl
{"id":"{rid}",
 "resourceAccess":[
	{"groupName":"PUBLIC",
	 "accessType":["READ","CHANGE_PERMISSIONS","DELETE","UPDATE","CREATE"]
	}
 ]
}

Update Access Control List for a Resource

Note: This is only used when a "resourceId" already specifies its access control list (does not inherit from an ancestor).

PUT https://repo-staging.sagebase.org/repo/v1/{resource_type}/{rid}/acl
{"id":"1",
 "etag":"0",
 "resourceAccess":[
	{"id":"1",
	 "groupName":"PUBLIC",
	 "accessType":["READ","CHANGE_PERMISSIONS","DELETE","UPDATE","CREATE"]
	}
 ],
}

Delete Access Control List for a Resource

This deletes the given object's ACL, restoring its dependence on its owner's permissions.

DELETE https://repo-staging.sagebase.org/repo/v1/{resource_type}/{rid}/acl

Ask whether there is access to a Resource

Note: The query is asked for the user who is implied by the session token, or 'anonymous' if there is no token.

GET https://repo-staging.sagebase.org/repo/v1/{resource_type}/{rid}/access?accessType={accessType}

{"result":true}

More Examples

Add a particular user with full access and identified individuals with read-only access to a project.

Get Request:

curl -H sessionToken:XXXXXXXXXXXXXXXXXX -H Content-Type:application/json -k  https://repo-staging.sagebase.org/repo/v1/project/498/acl

Get Response:

{
   "id":"3",
   "creationDate":1308274656084,
   "etag":"0",
   "createdBy":"nicole.deflaux@sagebase.org",
   "resourceAccess":[
      {
         "id":"4",
         "groupName":"AUTHENTICATED_USERS",
         "accessType":[
            "DELETE",
            "CHANGE_PERMISSIONS",
            "UPDATE",
            "READ",
            "CREATE"
         ]
      }
   ],
   "modifiedBy":"nicole.deflaux@sagebase.org",
   "modifiedOn":1308274656084,
   "uri":"/repo/v1/project/498/acl"
}

Update Request:

curl -H sessionToken:XXXXXXXXX -H Content-Type:application/json -X PUT -d '{
   "id":"3",
   "creationDate":1308274656084,
   "etag":"0",
   "createdBy":"nicole.deflaux@sagebase.org",
   "resourceAccess":[
      {
         "groupName":"AUTHENTICATED_USERS",
         "accessType":[
            "READ"
         ]
      },
      {
         "groupName":"nicole.deflaux@sagebase.org",
         "accessType":[
            "DELETE",
            "CHANGE_PERMISSIONS",
            "UPDATE",
            "READ",
            "CREATE"
         ]
      },
      {
         "groupName":"someuser@sagebase.org",
         "accessType":[
            "DELETE",
            "CHANGE_PERMISSIONS",
            "UPDATE",
            "READ",
            "CREATE"
         ]
      }
   ],
   "modifiedBy":"nicole.deflaux@sagebase.org",
   "modifiedOn":1308274656084,
   "uri":"/repo/v1/project/498/acl"
}' https://repo-staging.sagebase.org/repo/v1/project/498/acl

Update Response:

{
   "id":"3",
   "creationDate":1308274656084,
   "etag":"0",
   "createdBy":"nicole.deflaux@sagebase.org",
   "resourceAccess":[
      {
         "id":null,
         "groupName":"someuser@sagebase.org",
         "accessType":[
            "DELETE",
            "UPDATE",
            "CHANGE_PERMISSIONS",
            "READ",
            "CREATE"
         ]
      },
      {
         "id":null,
         "groupName":"nicole.deflaux@sagebase.org",
         "accessType":[
            "DELETE",
            "UPDATE",
            "CHANGE_PERMISSIONS",
            "READ",
            "CREATE"
         ]
      },
      {
         "id":null,
         "groupName":"AUTHENTICATED_USERS",
         "accessType":[
            "READ"
         ]
      }
   ],
   "modifiedBy":"nicole.deflaux@sagebase.org",
   "modifiedOn":1308274656084,
   "uri":"/repo/v1/project/498/acl"
}
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