scimgateway
Advanced tools
Author: Jarle Elshaug
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With SCIM Gateway we can manage users and groups by using REST based SCIM 1.1 or 2.0 protocol. Gateway translates incoming SCIM requests and expose CRUD functionality (create, read, update and delete user/group) towards destinations using endpoint specific protocols. In other words, none SCIM-endpoints will become SCIM-endpoints. Gateway do not require SCIM to be used, it's also an API Gateway that could be used for other things than user provisioning.
SCIM Gateway is a standalone product, however this document shows how the gateway could be used by products like Symatec/Broadcom/CA Identity Manager.
Using Identity Manager, we could setup one or more endpoints of type SCIM pointing to the gateway. Specific ports could then be used for each type of endpoint, and the SCIM Gateway would work like a "CA Connector Server" communicating with endpoints.
SCIM Gateway is based on the popular asynchronous event driven framework Node.js using JavaScript. It is cloud and firewall friendly using REST webservices. Runs on almost all operating systems, and may load balance between hosts (horizontal) and cpu's (vertical).
Following example plugins are included:
Loki (NoSQL Document-Oriented Database)
SCIM Gateway becomes a standalone SCIM endpoint
Demonstrates user provisioning towards document-oriented database
Using LokiJS for a fast, in-memory document-oriented database (much like MongoDB/PouchDB)
Default gives two predefined test users loaded using in-memory only (no persistence)
Configuration {"persistence": true} gives persistence file store (no test users)
Example of a fully functional SCIM Gateway plugin
MongoDB (NoSQL Document-Oriented Database)
Same as plugin "Loki", but using external MongoDB
Shows how to implement a highly configurable multi tenant or multi endpoint solution through baseEntity in URL
SCIM (REST Webservice)
Demonstrates user provisioning towards REST-Based endpoint (type SCIM)
Using plugin "Loki" as SCIM endpoint
Can be used as SCIM version-gateway e.g. 1.1=>2.0 or 2.0=>1.1
Can be used to chain several SCIM Gateway's
Forwardinc (SOAP Webservice)
Demonstrates user provisioning towards SOAP-Based endpoint
Using endpoint Forwardinc that comes with Broadcom/CA IM SDK (SDKWS) - wiki.ca.com
Shows how to implement a highly configurable multi tenant or multi endpoint solution through baseEntity in URL
MSSQL (MSSQL Database)
Demonstrates user provisioning towards MSSQL database
SAP HANA (SAP HANA Database)
Demonstrates SAP HANA specific user provisioning
Azure AD (REST Webservices)
Azure AD user provisioning including Azure license management (App Service plans) e.g. Office 365
Using Microsoft Graph API
Using customized SCIM attributes according to Microsoft Graph API
Includes Symantec/Broadcom/CA ConnectorXpress metafile for creating provisioning "Azure - ScimGateway" endpoint type
LDAP (Directory)
Fully functional LDAP plugin
Pre-configured for Microsoft Active Directory
Using endpointMapper (like plugin-azure-ad) for attribute flexibility
API (REST Webservices)
Demonstrates API Gateway/plugin functionality using post/put/patch/get/delete
None SCIM plugin, becomes what you want it to become.
Methods listed can also be used in standard SCIM plugins
Endpoint complexity could be put in this plugin, and client could instead communicate through Gateway using your own simplified REST specification.
One example of usage could be creation of tickets in ServiceDesk/HelpDesk and also the other way, closing a ticket could automatically approve/reject corresponding workflow in Identity Manager.
Node.js is a prerequisite and have to be installed on the server.
Download the windows installer (.msi 64-bit) and install using default options.
Open a command window (run as administrator)
Create your own package directory e.g. c:\my-scimgateway and install SCIM Gateway within this package.
mkdir c:\my-scimgateway
cd c:\my-scimgateway
npm init -y
npm install scimgateway
c:\my-scimgateway will now be <package-root>
index.js, lib and config directories containing example plugins have been copied to your package from the original scimgateway package located under node_modules.
If internet connection is blocked, we could install on another machine and copy the <package-root> folder.
node c:\my-scimgateway
Start a browser
http://localhost:8880/ping
=> Health check with a "hello" response
http://localhost:8880/Users
http://localhost:8880/Groups
=> Logon using gwadmin/password and two users and groups should be listed
http://localhost:8880/Users/bjensen
http://localhost:8880/Groups/Admins
or
http://localhost:8880/Users?filter=userName eq "bjensen"
http://localhost:8880/Groups?filter=displayName eq "Admins"
=> Lists all attributes for specified user/group
http://localhost:8880/Groups?filter=displayName eq "Admins"&excludedAttributes=members
http://localhost:8880/Groups?filter=members.value eq "bjensen"&attributes=id,displayName,members.value
http://localhost:8880/Users?filter=userName eq "bjensen"&attributes=userName,id,name.givenName
http://localhost:8880/Users?filter=meta.created ge "2010-01-01T00:00:00Z"&attributes=userName,name.familyName,meta.created
http://localhost:8880/Users?filter=emails.value co "@example.com"&attributes=userName,name.familyName,emails&sortBy=name.familyName&sortOrder=descending
=> Filtering and attribute examples
"Ctrl + c" to stop the SCIM Gateway
For more functionality using browser (post/patch/delete) a REST extension/add-on is needed.
Tip, take a look at mocha test scripts located in
node_modules\scimgateway\test\lib
Not needed after a fresh install
Check if newer versions are available:
cd c:\my-scimgateway
npm outdated
Lists current, wanted and latest version. No output on screen means we are running the latest version.
The best and easiest way to upgrade is renaming existing scimgateway package folder, create a new one and do a fresh installation. After the installation you copy index.js, config and lib folder (your customized plugins) from your previous installation to the new installation. You should also read the version history to see if your custom plugins needs to be updated.
Alternatives are:
Upgrade to latest minor version:
cd c:\my-scimgateway
npm install scimgateway
Note, always backup/copy c:\my-scimgateway before upgrading. Custom plugins and corresponding configuration files will not be affected.
To force a major upgrade (version x.*.* => y.*.*) that will brake compability with any existing custom plugins, we have to include the @latest suffix in the install command: npm install scimgateway@latest
postinstallWhen maintaining a set of modifications it useful to disable the postinstall operations to keep your changes intact by setting the property scimgateway_postinstall_skip = true in .npmrc or by setting environment SCIMGATEWAY_POSTINSTALL_SKIP = true
index.js defines one or more plugins to be started. We could comment out those we do not need. Default configuration only starts the loki plugin.
const loki = require('./lib/plugin-loki')
// const mongodb = require('./lib/plugin-mongodb')
// const scim = require('./lib/plugin-scim')
// const forwardinc = require('./lib/plugin-forwardinc')
// const mssql = require('./lib/plugin-mssql')
// const saphana = require('./lib/plugin-saphana') // prereq: npm install hdb
// const azureAD = require('./lib/plugin-azure-ad')
// const ldap = require('./lib/plugin-ldap')
// const api = require('./lib/plugin-api')
Each endpoint plugin needs a JavaScript file (.js) and a configuration file (.json). They both must have the same naming prefix. For SAP Hana endpoint we have:
lib\plugin-saphana.js
config\plugin-saphana.json
Edit specific plugin configuration file according to your needs.
Below shows an example of config\plugin-saphana.json
{
"scimgateway": {
"port": 8884,
"localhostonly": false,
"payloadSize": null,
"scim": {
"version": "2.0",
"customSchema": null,
"skipTypeConvert" : false,
"usePutSoftSync" : false
},
"log": {
"loglevel": {
"file": "debug",
"console": "error"
},
"customMasking": []
},
"auth": {
"basic": [
{
"username": "gwadmin",
"password": "password",
"readOnly": false,
"baseEntities": []
}
],
"bearerToken": [
{
"token": null,
"readOnly": false,
"baseEntities": []
}
],
"bearerJwtAzure": [
{
"tenantIdGUID": null,
"readOnly": false,
"baseEntities": []
}
],
"bearerJwt": [
{
"secret": null,
"publicKey": null,
"options": {
"issuer": null
},
"readOnly": false,
"baseEntities": []
}
],
"bearerOAuth": [
{
"client_id": null,
"client_secret": null,
"readOnly": false,
"baseEntities": []
}
],
"passThrough": {
"enabled": false,
"readOnly": false,
"baseEntities": []
}
},
"certificate": {
"key": null,
"cert": null,
"ca": null,
"pfx": {
"bundle": null,
"password": null
}
},
"ipAllowList": [],
"emailOnError": {
"smtp": {
"enabled": false,
"host": null,
"port": 587,
"proxy": null,
"authenticate": true,
"username": null,
"password": null,
"sendInterval": 15,
"to": null,
"cc": null
}
}
},
"endpoint": {
"host": "hostname",
"port": 30015,
"username": "username",
"password": "password",
"saml_provider": "saml_provider_name"
}
}
Configuration file have two main JSON objects: scimgateway and endpoint
Definitions in scimgateway object have fixed attributes, but values can be modified. This object is used by the core functionality of the SCIM Gateway.
Definitions in endpoint object are customized according to our plugin code. Plugin typically need this information for communicating with endpoint
port - Gateway will listen on this port number. Clients (e.g. Provisioning Server) will be using this port number for communicating with the gateway.
localhostonly - true or false. False means gateway accepts incoming requests from all clients. True means traffic from only localhost (127.0.0.1) is accepted (gateway must then be installed on the CA Connector Server).
payloadSize - if not defined, default "1mb" will be used. There are cases which large groups could exceed default size and you may want to increase by setting your own size
scim.version - "1.1" or "2.0". Default is "2.0". For Symantec/Broadcom/CA Identity Manager "1.1" should be used.
scim.customSchema - filename of JSON file located in <package-root>\config\schemas containing custom schema attributes, see configuration notes
scim.skipTypeConvert - true or false, default false. Multivalue attributes supporting types e.g. emails, phoneNumbers, ims, photos, addresses, entitlements and x509Certificates (but not roles, groups and members) will be become "type converted objects" when sent to modifyUser and createUser. This for simplicity of checking attributes included and also for the endpointMapper method (used by plugin-ldap and plugin-azure-ad), e.g.:
"emails": {
"work": {"value": "jsmith@example.com", "type": "work"},
"home": {"value": "", "type": "home", "operation": "delete"},
"undefined": {"value": "jsmith@hotmail.com"}
}
skipTypeConvert set to true gives attribute "as-is": array, allow duplicate types including blank, but values to be deleted have been marked with "operation": "delete"
"emails": [
{"value": "jsmith@example.com", "type": "work"},
{"value": "john.smith.org", "type": "home", "operation": "delete"},
{"value": "jsmith@hotmail.com"}
]
scim.usePutSoftSync - true or false, default false. PUT /Users/bjensen will replace the user bjensen with body content. If body contains groups, usePutSoftsync=true will prevent removing any existing groups that are not included in body.groups
log.loglevel.file - off, error, info, or debug. Output to plugin-logfile e.g. logs\plugin-saphana.log
log.loglevel.console - off, error, info, or debug. Output to stdout and errors to stderr.
log.customMasking - array of attributes to be masked e.g. "customMasking": ["SSN", "weight"]. By default SCIM Gateway includes masking of some standard attributes like password.
auth - Contains one or more authentication/authorization methods used by clients for accessing gateway - may also include:
GET requests for corresponding admin userbaseEntity allowed for this user e.g. ["client-a"] - empty array allowing all.auth.basic - Array of one ore more basic authentication objects - Basic Authentication with username/password. Note, we set a clear text password that will become encrypted when gateway is started.
auth.bearerToken - Array of one or more bearer token objects - Shared token/secret (supported by Azure). Clear text value will become encrypted when gateway is started.
auth.bearerJwtAzure - Array of one or more JWT used by Azure SyncFabric. tenantIdGUID must be set to Azure Active Directory Tenant ID.
auth.bearerJwt - Array of one or more standard JWT objects. Using secret or publicKey for signature verification. publicKey should be set to the filename of public key or certificate pem-file located in <package-root>\config\certs. Clear text secret will become encrypted when gateway is started. options.issuer is mandatory. Other options may also be included according to jsonwebtoken npm package definition.
auth.bearerOAuth - Array of one or more Client Credentials OAuth configuration objects. client_id and client_secret are mandatory. client_secret value will become encrypted when gateway is started. OAuth token request url is /oauth/token e.g. http://localhost:8880/oauth/token
auth.passThrough - Setting auth.passThrough.enabled=true will bypass SCIM Gateway authentication. Gateway will instead pass ctx containing authentication header to the plugin. Plugin could then use this information for endpoint authentication and we don't have any password/token stored at the gateway. Note, this also requires plugin binary having scimgateway.authPassThroughAllowed = true and endpoint logic for handling/passing ctx.request.header.authorization
certificate - If not using TLS certificate, set "key", "cert" and "ca" to null. When using TLS, "key" and "cert" have to be defined with the filename corresponding to the primary-key and public-certificate. Both files must be located in the <package-root>\config\certs directory e.g:
"certificate": {
"key": "key.pem",
"cert": "cert.pem",
"ca": null
}
Example of how to make a self signed certificate:
openssl req -nodes -newkey rsa:2048 -x509 -sha256 -days 3650 -keyout key.pem -out cert.pem -subj "/O=Testing/OU=SCIM Gateway/CN=<FQDN>" -config "<path>\openssl.cnf"
<FQDN> is Fully Qualified Domain Name of the host having SCIM Gateway installed
Note, when using Broadcom/CA Provisioning, the "certificate authority - CA" also have to be imported on the Connector Server. For self-signed certificate CA and the certificate (public key) is the same.
PFX / PKCS#12 bundle can be used instead of key/cert/ca e.g:
"pfx": {
"bundle": "certbundle.pfx",
"password": "password"
}
Note, we should normally use certificate (https) for communicating with SCIM Gateway unless we install ScimGatway locally on the manager (e.g. on the CA Connector Server). When installed on the manager, we could use http://localhost:port or http://127.0.0.1:port which will not be passed down to the data link layer for transmission. We could then also set {"localhostonly": true}
ipAllowList - Array of one or more IPv4/IPv6 subnets (CIDR) allowed for incoming traffic. E.g. using Azure AD as IdP, we would like to restrict access to IP addresses used by Azure AD. Azure IP-range can be downloaded from: https://azureipranges.azurewebsites.net, enter AzureActiveDirectory in the search list and select JSON download. Copy the "addressPrefixes" array content and paste into ipAllowList array. CIDR single IP-host syntax is a.b.c.d/32. Note, front-end HTTP proxy or a load balancer must include client IP-address in the X-Forwarded-For header. Configuration example:
"ipAllowList": [
"13.64.151.161/32",
"13.66.141.64/27",
...
"2603:1056:2000::/48",
"2603:1057:2::/48"
]
emailOnError - Contains configuration for sending error notifications by email. Note, only the first error will be sent until sendInterval have passed
emailOnError.smtp.enabled - true or false, value set to true will enable email notifications
emailOnError.smtp.host - Mailserver e.g. "smtp.office365.com"
emailOnError.smtp.port - Port used by mailserver e.g. 587, 25 or 465
emailOnError.smtp.proxy - If using mailproxy e.g. "http://proxy-host:1234"
emailOnError.smtp.authenticate - true or false, set to true will use username/password authentication
emailOnError.smtp.username - Mail account for authentication and also the sender of the email, e.g. "user@outlook.com"
emailOnError.smtp.password - Mail account password
emailOnError.smtp.sendInterval - Mail notifications on error are deferred until sendInterval minutes have passed since the last notification. Default 15 minutes
emailOnError.smtp.to - Comma separated list of recipients email addresses e.g: "someone@example.com"
emailOnError.smtp.cc - Comma separated list of cc email addresses
endpoint - Contains endpoint specific configuration according to our plugin code.
Setting environment variable SEED will override default password seeding logic.
All configuration can be set based on environment variables. Syntax will then be "process.env.<ENVIRONMENT>" where <ENVIRONMENT> is the environment variable used. E.g. scimgateway.port could have value "process.env.PORT", then using environment variable PORT.
All configuration can be set based on corresponding JSON-content (dot notation) in external file using plugin name as parent JSON object. Syntax will then be "process.file.<path>" where <path> is the file used. E.g. endpoint.password could have value "process.file./var/run/vault/secrets.json"
Indivudual Secrets can be contained in plain text files. Syntax will then be "process.text.<path>" where <path> is the file which contains raw (UTF-8) character value. E.g. endpoint.password could have value "process.text./var/run/vault/endpoint.password". This enables that the config file itself be loaded from a ConfigMap while specific values are mounted either from secrets.json style files as mentioned above OR from traditional secrets files mounted in the file system, one value per file.
Example:
{
"scimgateway": {
...
"port": "process.env.PORT",
...
"loglevel": {
"file": "process.env.LOG_LEVEL_FILE",
...
"auth": {
"basic": [
{
"username": "process.file./var/run/vault/secrets.json",
"password": "process.file./var/run/vault/secrets.json"
},
...
],
"bearerJwt": [
"secret": "process.text./var/run/vault/jwt.secret",
"publicKey": "process.text./var/run/vault/jwt.pub",
...
],
...
},
"endpoint": {
...
"username": "process.file./var/run/vault/secrets.json",
"password": "process.file./var/run/vault/secrets.json",
...
}
}
secrets.json for plugin-forwardinc - example (dot notation):
{
"plugin-forwardinc.scimgateway.auth.basic[0].username": "gwadmin",
"plugin-forwardinc.scimgateway.auth.basic[0].password": "password",
"plugin-forwardinc.endpoint.username": "superuser",
"plugin-forwardinc.endpoint.password": "secret"
}
Custom schema attributes can be added by plugin configuration scim.customSchema having value set to filename of a JSON schema-file located in <package-root>/config/schemas e.g:
"scim": {
"version": "2.0",
"customSchema": "plugin-forwardinc-schema.json"
},
JSON file have following syntax:
[
{
"name": "User",
"attributes": [...]
},
{
"name": "Group",
"attributes": [...]
}
]
Where array attributes contains custom attribute objects according to SCIM 1.1 or 2.0 spesification e.g:
"attributes": [
{
"name": "musicPreference",
"type": "string",
"multiValued": false,
"description": "Music Preferences",
"readOnly": false,
"required": false,
"caseExact": false
},
{
"name": "populations",
"type": "complex",
"multiValued": true,
"multiValuedAttributeChildName": "population",
"description": "Population array",
"readOnly": false,
"required": false,
"caseExact": false,
"subAttributes": [
{
"name": "value",
"type": "string",
"multiValued": false,
"description": "Population value",
"readOnly": false,
"required": true,
"caseExact": false
}
]
}
]
Note, custom schema attributes will be merged into core:1.0/2.0 schema, and names must not conflict with standard SCIM attribute names.
Gateway can now be started from a command window running in administrative mode
3 ways to start:
node c:\my-scimgateway
node c:\my-scimgateway\index.js
<package-root>node .
Ctrl+c to stop
Start Windows Task Scheduler (taskschd.msc), right click on "Task Scheduler Library" and choose "Create Task"
General tab:
-----------
Name = SCIM Gateway
User account = SYSTEM
Run with highest privileges
Triggers tab:
-------------
Begin the task = At startup
Actions tab:
------------
Action = Start a program
Program/script = c:\Program Files\nodejs\node.exe
Arguments = c:\my-scimgateway
Settings - tab:
---------------
Stop the task if runs longer than = Disabled (greyed out)
Verification:
<pakage-root>\logsOn Linux systems we may also run SCIM Gateway as a Docker image (using docker-compose)
Install SCIM Gateway within your own package and copy provided docker files:
mkdir /opt/my-scimgateway
cd /opt/my-scimgateway
npm init -y
npm install scimgateway
cp ./config/docker/* .
docker-compose.yml <== Here is where you would set the exposed port and environment
Dockerfile <== Main dockerfile
DataDockerfile <== Handles volume mapping
docker-compose-debug.yml <== Debugging
Create a scimgateway user on your Linux VM.
adduser scimgateway
Create a directory on your VM host for the scimgateway configs:
mkdir /home/scimgateway/config
Copy your updated configuration file e.g. /opt/my-scimgateway/config/plugin-loki.json to /home/scimgateway/config. Use scp to perform the copy.
NOTE: /home/scimgateway/config is where all important configuration and loki datastore will reside outside of the running docker container. If you upgrade scimgateway you won't lose your configurations and data.
Build docker images and start it up
docker-compose up --build -d
NOTE: Add the -d flag to run the command above detached.
Be sure to confirm that port 8880 is available with a simple http request
If using default plugin-loki and we have configured {"persistence": true}, we could confirm scimgateway created loki.db:
su scimgateway
cd /home/scimgateway/config
ls loki.db
To list running containers information:
docker ps
To list available images:
docker images
To view the logs:
docker logs scimgateway
To execute command within your running container:
docker exec scimgateway <bash command>
To stop scimgateway:
docker-compose stop
To restart scimgateway:
docker-compose start
To debug running container (using Visual Studio Code):
docker-compose -f docker-compose.yml -f docker-compose-debug.yml up -d
Start Visual Studio Code and follow these debugging instructions
To upgrade scimgateway docker image (remove the old stuff before running docker-compose up --build):
docker rm scimgateway
docker rm $(docker ps -a -q); docker rmi $(docker images -q -f "dangling=true")
Azure AD could do automatic user provisioning by synchronizing users towards SCIM Gateway, and gateway plugins will update endpoints.
Plugin configuration file must include SCIM Version "2.0" (scimgateway.scim.version) and either Bearer Token (scimgateway.auth.bearerToken[x].token) or Azure Tenant ID GUID (scimgateway.auth.bearerJwtAzure[x].tenantIdGUID) or both:
scimgateway: {
"scim": {
"version": "2.0",
...
},
...
"auth": {
"bearerToken": [
{
"token": "shared-secret"
}
],
"bearerJwtAzure": [
{
"tenantIdGUID": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}
]
}
...
}
token configuration must correspond with "Secret Token" defined in Azure AD
tenantIdGUID configuration must correspond with Azure Active Directory Tenant ID
In Azure Portal:
Azure-Azure Active Directory-Enterprise Application-<My Application>-Provisioning-Secret Token
Note, when "Secret Token" is left blank, Azure will use JWT (tenantIdGUID)
Azure-Azure Active Directory-Overview-Tenant ID
User mappings attributes between AD and SCIM also needs to be configured
Azure-Azure Active Directory-Enterprise Application-<My Application>-Provisioning-Edit attribute mappings-Mappings
Azure AD default SCIM attribute mapping for USER must have:
userPrincipalName mapped to userName (matching precedence #1)
Azure AD default SCIM attribute mapping for GROUP must have:
displayName mapped to displayName (matching precedence #1)
members mapped to members
Some notes related to Azure AD:
Azure Active Directory SCIM documentation
For using OAuth/JWT credentials, Azure configuration "Secret Token" (bearer token) should be blank. Plugin configuration must then include bearerJwtAzure.tenantIdGUID. Click "Test Connection" in Azure to verify
Azure AD do a regular check for a "none" existing user/group. This check seems to be a "keep alive" to verify connection.
Azure AD first checks if user/group exists, if not exist they will be created (no explore of all users like CA Identity Manager)
Deleting a user in Azure AD sends a modify user {"active":"False"} which means user should be disabled. This logic is default set in attribute mappings expression rule Switch([IsSoftDeleted], , "False", "True", "True", "False"). Standard SCIM "DELETE" method seems not to be used.
Using Symantec/Broadcom/CA Identity Manger, plugin configuration file must include SCIM Version "1.1" (scimgateway.scim.version).
In the Provisioning Manager we have to use
Endpoint type = SCIM (DYN Endpoint)
or create our own custom endpoint type based on this one
SCIM endpoint configuration example for Loki plugin (plugin-loki)
Endpoint Name = Loki-8880
User Name = gwadmin
Password = password
SCIM Authentication Method = HTTP Basic Authentication
SCIM Based URL = http://localhost:8880
or:
SCIM Based URL = http://localhost:8880/<baseEntity>
Username, password and port must correspond with plugin configuration file. For "Loki" plugin it will be config\plugin-loki.json
"SCIM Based URL" refer to the FQDN (or localhost) having SCIM Gateway installed. Portnumber must be included. Use HTTPS instead of HTTP if SCIM Gateway configuration includes certificates.
"baseEntity" is optional. This is a parameter used for multi tenant or multi endpoint solutions. We could create several endpoints having same base url with unique baseEntity. e.g:
http://localhost:8880/client-a
http://localhost:8880/client-b
Each baseEntity should then be defined in the plugin configuration file with custom attributes needed. Please see examples in plugin-forwardinc.json
IM 12.6 SP7 (and above) also supports pagination for SCIM endpoint (data transferred in bulks - endpoint explore of users). Loki plugin supports pagination. Other plugin may ignore this setting.
Using plugin-azure-ad we could do user provisioning towards Azure AD including license management e.g. O365
For testing purposes we could get an Azure free account and in addition the free Office 365 for testing license management through Azure.
There are two alternative ways of configuring Azure AD. Alternative #1 is probably best and easiest
For some odd reasons Application needs to be member of "User administrator" for having privileges to manage office/mobile phone on users that is member of any administrator roles
Also note, enable/disable user (accountEnabled - through Graph API) will fail if user have an "Administrator" role other than above mentioned "User Administrator" e.g. "Group Administrator"/"Application Administrator". To be sure we can enable/disable all users, application needs to be member of "Global administrator" - 62e90394-69f5-4237-9190-012177145e10.
Edit index.js
Uncomment startup of plugin-azure-ad, other plugins could be comment out if not needed
const azureAD = require('./lib/plugin-azure-ad')
Edit plugin-azure-ad.json
Note, for Symantec/Broadcom/CA Provisioning we have to use SCIM version 1.1
scimgateway: {
"scim": {
"version": "1.1"
},
username and password used to connect the SCIM Gateway must be defined.
"auth": {
"basic": [
{
"username": "gwadmin",
"password": "password",
"readOnly": false,
"baseEntities": []
}
],
Update tenantIdGUID, clientID and clientSecret according to what you copied from the previous Azure AD configuration.
If using proxy, set proxy.host to "http://<FQDN-ProxyHost>:<port>" e.g "http://proxy.mycompany.com:3128"
"endpoint": {
"entity": {
"undefined": {
"tenantIdGUID": "DomainName or DirectoryID (GUID)",
"clientId": "Application ID",
"clientSecret": "Generated application key value",
"proxy": {
"host": null,
"username": null,
"password": null
}
}
}
}
Note, clientSecret and any proxy.password will become encrypted in this file on the first Azure connection.
For multi-tenant or multi-endpoint support, we may add several entities:
"endpoint": {
"entity": {
"undefined": {
...
},
"client-a": {
...
},
"client-b": {
...
}
}
}
For additional details, see baseEntity description.
Note, we should normally use certificate (https) for communicating with SCIM Gateway unless we install gateway locally on the manager (e.g. on the CA Connector Server). When installed on the manager, we could use http://localhost:port or http://127.0.0.1:port which will not be passed down to the data link layer for transmission. We could then also set {"localhostonly": true}
Create a new endpoint type "Azure - ScimGateway"
index.jsplugin-azure-ad.json must also be knownNote, metafile "Azure - ScimGateway.xml" is based on CA "Azure - WSL7" with some minor adjustments like using Microsoft Graph API attributes instead of Azure AD Graph attributes.
Provisioning Manager configuration
Endpoint type = Azure - ScimGateway (DYN Endpoint)
Endpoint configuration example:
Endpoint Name = AzureAD-8881
User Name = gwadmin
Password = password
SCIM Authentication Method = HTTP Basic Authentication
SCIM Based URL = http://localhost:8881
or
SCIM Based URL = http://localhost:8881/<baseEntity>
For details, please see section "CA Identity Manager as IdP using SCIM Gateway"
Create = POST http://localhost:8880/Users
(body contains the user information)
Update = PATCH http://localhost:8880/Users/<id>
(body contains the attributes to be updated)
Search/Read = GET http://localhost:8880/Users?userName eq
"userID"&attributes=<comma separated list of scim-schema defined attributes>
Search/explore all users:
GET http://localhost:8880/Users?attributes=userName
Delete = DELETE http://localhost:8880/Users/<id>
Discovery:
GET http://localhost:8880/ServiceProviderConfigs
Specification compliance, authentication schemes, data models.
GET http://localhost:8880/Schemas
Introspect resources and attribute extensions.
Note:
SCIM Gateway also works as an API Gateway when using url /api or /<baseEntity>/api
Following methods for the none SCIM based api-plugin are supported:
GET /api
GET /api?queries
GET /api/{id}
POST /api + body
PUT /api/{id} + body
PATCH /api/{id} + body
DELETE /api/{id}
These methods can also be used in standard SCIM plugins
Please see example plugin: plugin-api.js
For JavaScript coding editor you may use Visual Studio Code
Preparation:
lib\plugin-mssql.js and config\plugin-mssql.json and rename both copies to your plugin name prefix e.g. plugin-mine.js and plugin-mine.json (for SOAP Webservice endpoint we might use plugin-forwardinc as a template)let mine = require('./lib/plugin-mine');Now we are ready for custom coding by editing plugin-mine.js Coding should be done step by step and each step should be verified and tested before starting the next (they are all highlighted by comments in existing code).
Template used by CA Provisioning role should only include endpoint supported attributes defined in our plugin. Template should therefore have no links to global user for none supported attributes (e.g. remove %UT% from "Job Title" if our endpoint/code do not support title)
CA Provisioning using default SCIM endpoint do not support SCIM Enterprise User Schema Extension (having attributes like employeeNumber, costCenter, organization, division, department and manager). If we need these or other attributes not found in CA Provisioning, we could define our own by using the free-text "type" definition in the multivalue entitlements or roles attribute. In the template entitlements definition, we could for example define type=Company and set value to %UCOMP%. Please see plugin-forwardinc.js using Company as a multivalue "type" definition.
Using CA Connector Xpress we could create a new SCIM endpoint type based on the original SCIM. We could then add/remove attributes and change from default assign "user to groups" to assign "groups to user". There are also other predefined endpoints based on the original SCIM. You may take a look at "ServiceNow - WSL7" and "Zendesk - WSL7".
For project setup:
Using Connector Xpress based on the original SCIM endpoint.
Delete defaults:
Group - Associations - with User Account
Group - Attributes - members
User Account - Attributes - Group Membership
Create new attribute:
User Account - Attributes: Groups - Flexi DN - Multivalue - groups
Create User - Group associations:
User Account - Accociations - Direct association with = Group
User Account - Accociations - with Group
Note, "Include a Reverse Association" - not needed if we don't need Group object functionality e.g list/add/remove group members
User Attribute = Physical Attribute = Groups
Match Group = By Attribute = ID
Objects Must Exist
Use DNs in Attribute = activated (toggled on)
Include a Reverse Association (if needed)
Group Attribute = Virtual Attribute = User Membership
Match User Account = By Attribute = User Name
Note, groups should be capability attribute (updated when account is synchronized with template):
advanced options - Synchronized = enabled (toggled on)
Plugins should have following initialization:
// mandatory plugin initialization - start
const path = require('path')
let ScimGateway = null
try {
ScimGateway = require('scimgateway')
} catch (err) {
ScimGateway = require('./scimgateway')
}
let scimgateway = new ScimGateway()
let pluginName = path.basename(__filename, '.js')
let configDir = path.join(__dirname, '..', 'config')
let configFile = path.join(`${configDir}`, `${pluginName}.json`)
let config = require(configFile).endpoint
let validScimAttr = [] // empty array - all attrbutes are supported by endpoint
// add any external config process.env and process.file
config = scimgateway.processExtConfig(pluginName, config)
// mandatory plugin initialization - end
scimgateway.getUsers = async (baseEntity, getObj, attributes) => {
let ret = {
"Resources": [],
"totalResults": null
}
...
return ret
}
<baseurl>/client1 gives baseEntity=client1)scimgateway.deleteUser = async (baseEntity, id) => {
...
return null
}
scimgateway.modifyUser = async (baseEntity, id, attrObj) => {
...
return null
}
scimgateway.getGroups = async (baseEntity, getObj, attributes) => {
let ret = {
"Resources": [],
"totalResults": null
}
...
return ret
}
<baseurl>/client1 gives baseEntity=client1)scimgateway.createGroup = async (baseEntity, groupObj) => {
...
return null
})
scimgateway.deleteGroup = async (baseEntity, id) => {
...
return null
}
scimgateway.modifyGroup = async (baseEntity, id, attrObj) => {
...
return null
}
MIT © Jarle Elshaug
[Added]
authPassThrough for passing the authentication directly to plugin without being processed by scimgateway
Plugin configuration prerequisites: auth.passThrough.enabled=true
"auth": {
...
"passThrough": {
"enabled": true,
"readOnly": false,
"baseEntities": []
}
...
}
Plugin binary prerequisites:
scimgateway.authPassThroughAllowed = true
// also need endpoint logic for handling/passing ctx.request.header.authorization
For upgrading existing custom plugins, above mention prerequisites needs to be included and in addition all plugin methods must include the ctx parameter e.g.:
scimgateway.getUsers = async (baseEntity, getObj, attributes, ctx)
// tip, see provided example plugins
[Fixed]
log.loglevel.file not defined or set to "off". This fix will allow SCIM Gateway to run on systems having read-only disk like Google Cloud App Engine Standard[Added]
[Fixed]
[Added]
payloadSize. If not defined, default "1mb" will be used. There are cases which large groups could exceed default size and you may want to increase by setting your own size e.g. "5mb"[Fixed]
GET /Users, scimgateway automatically adds groups if not included by plugin. This operation calls plugin getGroups having attributes=['members.value', 'id', 'displayName']. Now, members.value is excluded. This attribute was in use and could cause unneeded load when having many group members.[Fixed]
config\resources\Azure - ScimGateway.xml now using standard text on manager attribute instead of selection dialogbox.[Fixed]
config\resources\Azure - ScimGateway.xml introduced in v.4.1.7 had some missing logicNote, this version breaks compability with previous versions of plugin-azure-ad
[Added]
config\resources\Azure - ScimGateway.xml for defining the Azure endpoint, have been updated with some new attributes according to plugin-azure-ad.json attribute mappings[Added]
[Added]
SCIM Gateway related news:
[Fixed]
addresses did not correctly catch duplicate entriesscim.usePutSoftsync=true will also prevent removing any existing roles that are not included in body.roles ref. v4.1.3[Fixed]
[Added]
PUT (Replace User) now includes group handling. Using configuration scim.usePutSoftsync=true will prevent removing any existing groups that are not included in body.groups
Example:
PUT /Users/bjensen
{
...
"groups": [
{"value":"Employees","display":"Employees"},
{"value":"Admins","display":"Admins"}
],
...
}
[Added]
endpointMapper supporting one to many mappings using a comma separated list of attributes in the mapTo
Configuration example:
"map": {
"user": {
"PersonnelNumber": {
"mapTo": "id,userName",
"type": "string"
},
...
}
}
[Added]
plugin-ldap support userFilter/groupFilter configuration for restricting scope
Configuration example:
{
...
"userFilter": "(memberOf=CN=grp1,OU=Groups,DC=test,DC=com)(!(memberOf=CN=Domain Admins,CN=Users,DC=test,DC=com))",
"groupFilter": "(!(cn=grp2))",
...
}
[Added]
Supporting OAuth Client Credentials authentication
Configuration example:
"bearerOAuth": [
{
"client_id": "my_client_id",
"client_secret": "my_client_secret",
"readOnly": false,
"baseEntities": []
}
]
In example above, client using SCIM Gateway must have OAuth configuration:
client_id = my_client_id
client_secret = my_client_secret
token request url = http(s)://<host>:<port>/oauth/token
[Added]
create user/group supporting externalId
plugin-restful renamed to plugin-scim
plugin-ldap having improved SID/GUID support for Active Directory, also supporting domain map of userPrincipalName e.g. Azure AD => Active Directory
"userPrincipalName": {
"mapTo": "userName",
"type": "string",
"mapDomain": {
"inbound": "test.onmicrosoft.com",
"outbound": "my-company.com"
}
postinstall copying example plugins may be skipped by setting the property scimgateway_postinstall_skip = true in .npmrc or by setting environment SCIMGATEWAY_POSTINSTALL_SKIP = true
Secrets now also support key-value storage. The key defined in plugin configuration have syntax process.text.<path> where <path> is the file which contains raw (UTF-8) character value. E.g. configuration endpoint.password could have value process.text./var/run/vault/endpoint.password, and the corresponding file contains the secret. Thanks to Raymond Augé
[MAJOR]
getUsers() replacing deprecated exploreUsers(), getUser() and getGroupUsers()getGroups() replacing deprecated exploreGroups(), getGroup() and getGroupMembers()baseEntity allowed for corresponding admin userNote, using this major version require existing custom plugins to be upgraded. If you do not want to upgrade your custom plugins, the old version have to be installed using: npm install scimgateway@3.2.11
How to upgrade your custom plugins:
Replace: scimgateway.exploreUsers = async (baseEntity, attributes, startIndex, count) => {
With: scimgateway.getUsers = async (baseEntity, getObj, attributes) => {
See comments in provided plugins regarding the new getObj. Also note that attributes is now an array and not a comma separated string like previous versions
In the very beginning, add:
// mandatory if-else logic - start
if (getObj.operator) {
if (getObj.operator === 'eq' && ['id', 'userName', 'externalId'].includes(getObj.attribute)) {
// mandatory - unique filtering - single unique user to be returned - correspond to getUser() in versions < 4.x.x
} else if (getObj.operator === 'eq' && getObj.attribute === 'group.value') {
// optional - only used when groups are member of users, not default behavior - correspond to getGroupUsers() in versions < 4.x.x
throw new Error(`${action} error: not supporting groups member of user filtering: ${getObj.rawFilter}`)
} else {
// optional - simpel filtering
throw new Error(`${action} error: not supporting simpel filtering: ${getObj.rawFilter}`)
}
} else if (getObj.rawFilter) {
// optional - advanced filtering having and/or/not - use getObj.rawFilter
throw new Error(`${action} error: not supporting advanced filtering: ${getObj.rawFilter}`)
} else {
// mandatory - no filtering (!getObj.operator && !getObj.rawFilter) - all users to be returned - correspond to exploreUsers() in versions < 4.x.x
}
// mandatory if-else logic - end
In the new getUsers() replacing exploreUsers() "as-is", we then need some logic in the last "else" statement listed above.
We also need to add logic from existing getGroup() and getGroupMembers()
Please have a look at provieded plugins to see different ways of doing this logic.
Replace: scimgateway.exploreGroups = async (baseEntity, attributes, startIndex, count) => {
With: scimgateway.getGroups = async (baseEntity, getObj, attributes) => {
In the very beginning, add:
// mandatory if-else logic - start
if (getObj.operator) {
if (getObj.operator === 'eq' && ['id', 'displayName', 'externalId'].includes(getObj.attribute)) {
// mandatory - unique filtering - single unique user to be returned - correspond to getUser() in versions < 4.x.x
} else if (getObj.operator === 'eq' && getObj.attribute === 'members.value') {
// mandatory - return all groups the user 'id' (getObj.value) is member of - correspond to getGroupMembers() in versions < 4.x.x
// Resources = [{ id: <id-group>> , displayName: <displayName-group>, members [{value: <id-user>}] }]
} else {
// optional - simpel filtering
throw new Error(`${action} error: not supporting simpel filtering: ${getObj.rawFilter}`)
}
} else if (getObj.rawFilter) {
// optional - advanced filtering having and/or/not - use getObj.rawFilter
throw new Error(`${action} error: not supporting advanced filtering: ${getObj.rawFilter}`)
} else {
// mandatory - no filtering (!getObj.operator && !getObj.rawFilter) - all groups to be returned - correspond to exploreGroups() in versions < 4.x.x
}
// mandatory if-else logic - end
In the new getGroups() replacing exploreGroups() "as-is", we then need some logic in the last "else" statement listed above.
We also need to add logic from existing getGroup() and getGroupMembers()
Please have a look at provieded plugins to see different ways of doing this logic.
Delete deprecated exploreUsers(), getUser(), getGroupUsers(), exploreGroups(), getGroup() and getGroupMembers()
[Fixed]
[Fixed]
[Added]
[Fixed]
[Fixed]
objectGUID introduced in v.3.2.7 had some missing logic[Added]
plugin-ldap supports using Active Directory objectGUID instead of dn mapped to id
configuration example:
"objectGUID": {
"mapTo": "id",
"type": "string"
}
[Fixed]
[Fixed]
[Fixed]
scim.skipTypeConvert = true[Added]
new configuration scim.skipTypeConvert allowing overriding the default behaviour "type converted object" when set to true. See attribute list for details
scimgateway.isMultivalue used by plugin-loki have been changed, and custom plugins using this method must be updated
old syntax:
scimgateway.isMultivalue('User', key)
new syntax:
scimgateway.isMultiValueTypes(key)
[Fixed]
[Fixed]
find instead of findOne to ensure returning unique user[Fixed]
groups (when "user member of groups") e.g. GET /Users/bjensen should return all user attributes including the virtual groups attribute. Now this user attribute will be automatically handled by scimgateway if not included in the plugin response.[Added]
[Fixed]
[Added]
[Added]
ipAllowList for restricting access to allowlisted IP addresses or subnets e.g. Azure AD IP-range
Configuration example:
"ipAllowList": [
"13.66.60.119/32",
"13.66.143.220/30",
...
"2603:1056:2000::/48",
"2603:1057:2::/48"
]
Example plugins now configured for SCIM v2.0 instead of v1.1
New configuration:
"scim": {
"version": "2.0"
}
Old configuration:
"scim": {
"version": "1.1"
}
[Added]
pre_post_Action[Fixed]
[Fixed]
[Fixed]
[Added]
[Fixed]
[Fixed]
[Added]
getApi supports body (apiObj).
Old syntax:
scimgateway.getApi = async (baseEntity, id, apiQuery) => {
New syntax:
scimgateway.getApi = async (baseEntity, id, apiQuery, apiObj) => {
[MAJOR]
scimgateway.scim.customUniqueAttrMapping - replaced by getObj logic[UPGRADE]
Note, this is a major upgrade (^2.x.x => ^3.x.x) that will brake compatibility with any existing custom plugins. To force a major upgrade, suffix @latest must be include in the npm install command, but it's recommended to do a fresh install and copy any custom plugins instead of upgrading an existing package
Old syntax:
scimgateway.getUser = async (baseEntity, userName, attributes) => {
scimgateway.getGroup = async (baseEntity, displayName, attributes) => {
scimgateway.modifyGroupMembers = async (baseEntity, id, members) => {
New syntax:
scimgateway.getUser = async (baseEntity, getObj, attributes) => {
const userName = getObj.identifier // gives v2.x compatibility
scimgateway.getGroup = async (baseEntity, getObj, attributes) => {
const displayName = getObj.identifier // gives v2.x compatibility
scimgateway.modifyGroup = async (baseEntity, id, attrObj) => {
// attrObj.members corresponds to members in deprecated modifyGroupMembers
getUser comments:
getObj = { filter: <filterAttribute>, identifier: <identifier> }
e.g: getObj = { filter: 'userName', identifier: 'bjensen'}
filter: userName and id must be supported
getGroup comments:
getObj = { filter: <filterAttribute>, identifier: <identifier> }
e.g: getObj = { filter: 'displayName', identifier: 'GroupA' }
filter: displayName and id must be supported
Please see provided example plugins
Using the new getObj parameter gives more flexibility in the way of lookup a user e.g:
http://localhost:8880/Users?filter=emails.value eq "jsmith@example.com"&attributes=userName,name.givenName
getObj = { filter: 'emails.value', identifier: 'jsmith@example.com'}
attributes = 'userName,name.givenName'
Configuration file, auth settings have changed and now using arrays allowing more than one user/object to be set. "readOnly": true can also be set for allowing read only access for a spesific user (does not apply to bearerJwtAzure).
New syntax is:
"auth": {
"basic": [
{
"username": "gwadmin",
"password": "password",
"readOnly": false
}
],
"bearerToken": [
{
"token": null,
"readOnly": false
}
],
"bearerJwtAzure": [
{
"tenantIdGUID": null
}
],
"bearerJwt": [
{
"secret": null,
"publicKey": null,
"options": {
"issuer": null
},
"readOnly": false
}
]
}
[Fixed]
[Fixed]
[Added]
Log masking of custom defined attributes.
customMasking may include an array of attributes to be masked
e.g. "customMasking": ["SSN", "weight"]
Note, configurationfiles must be changed (old syntax still supported)
old syntax:
"loglevel": {
"file": "debug",
"console": "error"
},
new syntax:
"log": {
"loglevel": {
"file": "debug",
"console": "error"
},
"customMasking": []
},
By default SCIM Gateway includes masking of standard attributes like password
[Fixed]
Thanks to Luca Moretto
[Fixed]
[Fixed]
url.parse[Fixed]
err.name = 'DuplicateKeyError') when failing on creating a duplicate user[Added]
[Fixed]
err.name = 'DuplicateKeyError' now gives correct status code 409 instead of defult 500 (see plugin-loki.js)[Fixed]
loglevel.colorize is not needed)[Fixed]
[Added]
[Fixed]
[Added]
scim.customSchema having value set to filename of a JSON schema-file located in <package-root>/config/schemas[UPGRADE]
Configurationfiles for custom plugins should be changed
old syntax:
"scimversion": "1.1",
new syntax:
"scim": {
"version": "1.1",
"customSchema": null
},
Note, "1.1" is default, if using "2.0" the new syntax must be used.
[Fixed]
[MAJOR]
[UPGRADE]
Note, this is a major upgrade (^1.x.x => ^2.x.x) and will brake compatibility with any existing custom plugins. To force a major upgrade, suffix @latest must be include in the npm install command, but it's recommended to do a fresh install and copy any custom plugins instead of upgrading an existing package
cd c:\my-scimgateway
npm install scimgateway@latest
Custom plugins needs some changes (please see included example plugins)
scimgateway.on(xxx, function (..., callback) replaced with scimgateway.xxx = async (...) returning a result or throwing an errordoRequest method having endpoint failover logic through array baseUrls/baseServiceEndpoints defined in corresponding plugin configuration file.attributes included in exploreUsers and exploreGroups method[Fixed]
[UPGRADE]
getUser and getGroup methods needs to be updated. If user/group not found then return callback(null, null) instead of callback(err)[Fixed]
[Added]
[UPGRADE]
Configurationfiles for custom plugins should be changed
old syntax:
loglevel: "debug"
new syntax:
"loglevel": {
"file": "debug",
"console": "error",
"colorize": true
}
[Fixed]
[Fixed]
[UPGRADE]
[Fixed]
[Fixed]
[Fixed]
[Added]
[Added]
[UPGRADE]
Configuration files for custom plugins must include the emailOnError object for enabling error notifications by email. Please see the syntax in provided example plugins and details described in the "Configuration" section of this document.
[Added]
[Fixed]
[Added]
[Fixed]
Thanks to ywchuang
[Added]
[Fixed]
[Fixed]
[Fixed]
[Fixed]
[Added]
[UPGRADE]
Method getGroupMembers must be updated for all custom plugins
Replace:
scimgateway.on('getGroupMembers', function (baseEntity, id, attributes, startIndex, count, callback) {
...
let ret = {
'Resources' : [],
'totalResults' : null
}
...
ret.Resources.push(userGroup)
...
callback(null, ret)
With:
scimgateway.on('getGroupMembers', function (baseEntity ,id ,attributes, callback) {
...
let arrRet = []
...
arrRet.push(userGroup)
...
callback(null, arrRet)
[Added]
[Added]
[UPGRADE]
config/plugin-xxx.json needs to be updated regarding the new scimgateway.auth section:
[Added]
config\docker includes docker configuration examples[Added]
SEED overrides default password seeding"process.env.XXX" lets environment variable XXX define the port[UPGRADE]
config/plugin-xxx.json needs to be updated:
[Added]
plugin-lokiplugin-testmode[UPGRADE]
lib/plugin-testmode.js and config/plugin-testmode.json[Fixed]
[Added]
Mocha test scripts for automated testing of plugin-testmode
Automated tests run on Travis-ci.org (click on build badge)
Thanks to Jeffrey Gilbert
[Fixed]
[Added]
[UPGRADE]
[Fixed]
[Added]
[Added]
[UPGRADE]
scimgateway.on('createGroup',... Please see example plugins for details.[Fixed]
[Added]
plugin-mssqlscimgateway.getArrayObject[Fixed]
[Fixed]
[UPGRADE]
scimgateway.on('getGroupMembers',... New arguments have been added "startIndex" and "count". Also a new return variable "ret". Please see example plugins for details.[Fixed]
[Added]
plugin-restful[Added]
<Base URL>/[baseEntity] for multi tenant or multi endpoint flexibility[UPGRADE]
[Doc]
[Fixed]
Initial version
FAQs
Using SCIM protocol as a gateway for user provisioning to other endpoints
The npm package scimgateway receives a total of 302 weekly downloads. As such, scimgateway popularity was classified as not popular.
We found that scimgateway demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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