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OAuth 2.0

Overview

ThingsBoard allows you to provide Single Sign-On functionality for your customers and automatically create tenants, customers, or sub customers using external user management platforms, that supports the OAuth 2.0 protocol.
A list of platforms that supports the OAuth 2.0 protocol: Google, Auth0, Okta, Azure, etc.

OAuth 2.0 authentication flow

ThingsBoard supports the Authorization Code grant type to exchange an authorization code for an access token.
Once the user returns to the ThingsBoard client via redirect URL, the platform will get the authorization code from the URL and will use it to request an access token from the external user management platform. Using the basic mapper or custom mapper, external user info object will be converted from external platform into ThingsBoard internal OAuth 2.0 user. After this, the regular ThingsBoard authorization flow will happen.

Setting Up Authentication via an external provider

Since the 3.8 release, OAuth 2.0 clients are configured separately from the domain allowing to reuse of the configured client and making the settings clearer. To use authentication through an external provider, first configure OAuth 2.0 client with all necessary credentials. After that, add a new domain or use an existing one and update OAuth 2.0 client list with new oauth 2.0 client.

Operations with domain

Adding domain

Follow these steps to add a new domain:

  • On the “Domains” tab of the “OAuth 2.0 client” page, click the “plus” icon to add new domain;
  • Provide your domain name and OAuth 2.0 client;
  • Click “Add” to finalize adding the domain.
On the "Domains" tab of the "OAuth 2.0 client" page, click the "plus" icon to add a new domain. Provide your domain name and OAuth 2.0 client. Then, click "Add".
On the "Domains" tab of the "OAuth 2.0 client" page, click the "plus" icon to add a new domain. Provide your domain name and OAuth 2.0 client. Then, click "Add".
Domain added.
Domain added.

Editing domain

To update the settings for an existing domain, follow these steps:

  • Click on the domain to view its details;
  • Switch to editing mode by clicking the large orange button;
  • Make the required modifications;
  • Confirm and save your changes by clicking the “Apply changes” button.
Click on the domain to view its details. Switch to editing mode by clicking the large orange button;
Click on the domain to view its details. Switch to editing mode by clicking the large orange button;
Make the required modifications. Then confirm and save the changes by clicking the "Apply Changes" button.
Make the required modifications. Then confirm and save the changes by clicking the "Apply Changes" button.

Deleting domain

To remove domain, following the steps:

  • Click the “trash” icon in the domain’s row you wish to remove;
  • Confirm the deletion by clicking “Yes”.
Click the "trash" icon in the domain's row you wish to remove;
Click the "trash" icon in the domain's row you wish to remove;
Confirm the deletion by clicking "Yes".
Confirm the deletion by clicking "Yes".

Operations with OAuth 2.0 client

Adding OAuth 2.0 client

Follow these steps to add a new OAuth 2.0 client to ThingsBoard:

  • Navigate to the “OAuth 2.0 clients” tab on the “OAuth 2.0” page, and click the “plus” icon to add a new OAuth 2.0 client;
  • Enter a descriptive title for the client;
  • Select the authentication provider from the dropdown menu;
  • Specify which platforms are allowed or select all;
  • Provide the Client ID and Client Secret obtained from your authentication provider;
  • Configure advanced settings as necessary;
  • Click “Add” to finalize the addition of the new OAuth 2.0 client.
Navigate to the "OAuth 2.0 clients" tab on the "OAuth 2.0" page. Click the "plus" icon to add a new OAuth 2.0 client;
Navigate to the "OAuth 2.0 clients" tab on the "OAuth 2.0" page. Click the "plus" icon to add a new OAuth 2.0 client;
Enter a descriptive title for the client, and select the authentication provider from the dropdown menu. Provide the Client ID and Client Secret obtained from your authentication provider. Configure advanced settings as necessary. Then, click "Add".
Enter a descriptive title for the client, and select the authentication provider from the dropdown menu. Provide the Client ID and Client Secret obtained from your authentication provider. Configure advanced settings as necessary. Then, click "Add".
New OAuth 2.0 client added.
New OAuth 2.0 client added.

Editing OAuth 2.0 client

To update the settings for an existing OAuth 2.0 client, follow these steps:

  • Click on the OAuth 2.0 client to view its details;
  • Switch to editing mode by clicking the large orange button;
  • Make the required modifications;
  • Confirm and save your changes by clicking the “Apply changes” button.
Click on the OAuth 2.0 client to view its details. Switch to editing mode by clicking the large orange button;
Click on the OAuth 2.0 client to view its details. Switch to editing mode by clicking the large orange button;
Make the required modifications. Then confirm and save the changes by clicking the "Apply changes" button.
Make the required modifications. Then confirm and save the changes by clicking the "Apply changes" button.

Deleting OAuth 2.0 client

Remove clients that are no longer needed or are obsolete:

  • Click the “trash can” icon in the client’s row you wish to remove;
  • Confirm the deletion by clicking “Yes”.
Click the "trash" icon in the client's row you wish to remove;
Click the "trash" icon in the client's row you wish to remove;
Confirm the deletion by clicking "Yes".
Confirm the deletion by clicking "Yes".

Login with Google

In this sample, we will be using authentication via Google. The user is going to be logged into the Tenant, and the Tenant name is going to be equal to the user’s email. If the Tenant does not exist in the system, the new Tenant will be created.

As a second step, we are going to add a new external provider for authentication - Auth0. In this case, the User is going to be logged into the Tenant which name is going to be equal to a user email domain name. Additionally, for every user, we are going to create a new Customer and the Customer name is going to be equal to a user email.

To map that external user info from Google and Auth0 platform, we are going to use a built-in basic mapper.

If basic mapper functionality doesn’t fit your business needs, you can configure the custom mapper, so that you are able to add an implementation that fits your specific needs.

Preparations

To use Google OAuth 2.0 authentication platform for Login, you need to set up a project in the Google API Console to obtain OAuth 2.0 credentials.

Please, follow the instructions on the OpenID Connect page or follow the steps below to configure the OAuth 2.0 Client. After completing the instructions above, you should have a new OAuth Client with credentials consisting of a Client ID and a Client Secret.

  • Go to the “Credentials” page in the left menu and select “OAuth client ID” from the “Create credentials” dropdown menu;
  • Enter a OAuth client name, and add the ThingsBoard default redirect URI (if you use ThingsBoard installed locally), which we are going to use in this example, to the “Authorized Redirect URIs” section:
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http://localhost:8080/login/oauth2/code/
  • Click “Create”.

OAuth client created. You now have credentials consisting of a Client ID and a Client secret

Go to the "Credentials" page in the left menu and select "OAuth client ID" from the "Create credentials" dropdown menu;
Go to the "Credentials" page in the left menu and select "OAuth client ID" from the "Create credentials" dropdown menu;
Enter a OAuth client name, and add the ThingsBoard default redirect URI (if you use ThingsBoard installed locally), which we are going to use in this example, to the "Authorized Redirect URIs" section. Click "Create";
Enter a OAuth client name, and add the ThingsBoard default redirect URI (if you use ThingsBoard installed locally), which we are going to use in this example, to the "Authorized Redirect URIs" section. Click "Create";
OAuth client created. You now have credentials consisting of a Client ID and a Client secret;
OAuth client created. You now have credentials consisting of a Client ID and a Client secret;

Configuring Google provider in ThingsBoard

To add new OAuth 2.0 client follow the steps below:

  • Login to your ThingsBoard instance as System Administrator;
  • Navigate to the “Domains” tab, and click “plus” icon;
  • Your domain name and redirect URI template are already specified here. Now we need to add an OAuth 2.0 client. Click “Create” to begin;
  • Enter the title and select “Google” as the provider. If necessary, specify the allowed platforms, or leave all;
  • Now, enter the Client ID and Client secret from the Google API Console. Then, expand the “Advanced settings” menu;

  • Let’s make the settings for the “General” block. Use this link to see the list of up-to-date URLs like “Access Token URI”, “Authorization URI”, etc. Select “POST” in the “Client authentication method” field. Then check the “Allow user creation” checkbox. Add to the scope field: “email”, “openid”, and “profile”;

  • Go to the “Mapper” block. Select the “Basic” mapper type and “Custom” tenant name strategy. Specify %{email} as tenant name pattern (more details about these properties are described below in the “Basic mapper” part);

  • Click “Add” to confirm adding the OAuth 2 client;
  • OAuth client is added. Click “Add” to confirm adding domain.
Login to your ThingsBoard instance as System Administrator. Navigate to the "Domains" tab, and click "plus" icon;
Login to your ThingsBoard instance as System Administrator. Navigate to the "Domains" tab, and click "plus" icon;
Your domain name and redirect URI template are already specified here. Now we need to add an OAuth 2.0 client. Click "Create" to begin;
Your domain name and redirect URI template are already specified here. Now we need to add an OAuth 2.0 client. Click "Create" to begin;
Enter the title and select "Google" as the provider. If necessary, specify the allowed platforms, or leave all. Now, enter the Client ID and Client secret from the Google API Console. Then, expand the "Advanced settings" menu;
Enter the title and select "Google" as the provider. If necessary, specify the allowed platforms, or leave all. Now, enter the Client ID and Client secret from the Google API Console. Then, expand the "Advanced settings" menu;
Let's make the settings for the "General" block. Select "POST" in the "Client authentication method" field. Then check the "Allow user creation" checkbox. Add to the scope field: "email", "openid", and "profile";
Let's make the settings for the "General" block. Select "POST" in the "Client authentication method" field. Then check the "Allow user creation" checkbox. Add to the scope field: "email", "openid", and "profile";
Go to the "Mapper" block. Select the "Basic" mapper type and "Custom" tenant name strategy. Specify %{email} as "Tenant name pattern" (more details about these properties are described below in the "Basic mapper" part). Click "Add" to confirm adding the OAuth 2 client;
Go to the "Mapper" block. Select the "Basic" mapper type and "Custom" tenant name strategy. Specify %{email} as "Tenant name pattern" (more details about these properties are described below in the "Basic mapper" part). Click "Add" to confirm adding the OAuth 2 client;
OAuth client is added. Click "Add" to confirm adding domain.
OAuth client is added. Click "Add" to confirm adding domain.

Now, navigate to the Login screen. We will see an additional “Login with Google” option. Once we click it and select one of our Google account, we are going to be logged into ThingsBoard with our Google’s email as a Tenant Administrator email.

Navigate to the Login screen. We will see an additional "Login with Google" option;
Navigate to the Login screen. We will see an additional "Login with Google" option;
Once we click it and select one of our Google account, we are going to be logged into ThingsBoard with our Google’s email as a Tenant Administrator email;
Once we click it and select one of our Google account, we are going to be logged into ThingsBoard with our Google’s email as a Tenant Administrator email;

Login with Auth0

In this guide we will configure the OAuth with the OAuth0 for the authentication. In this case User is going to be logged into the Tenant which name is going to be equal to user’s email domain name.
Additionally, for every user we are going to create a new Customer and Customer name is going to be user’s email

To map those external user infos from Auth0 platform we are going to use built-in basic mapper.

If basic mapper functionality will not fit your business needs, you can configure the custom mapper so that you are able to add an implementation that fits under your specific needs.

Preparations

Now let’s add one more provider to our list - Auth0. This time we are going to create customers for our users inside a single domain tenant.

To apply the configurations properly, we first need to obtain OAuth 2.0 credentials:

  • First, we go to the OAuth0 Management Console. Open the “Applications” page, and click “ Create Application” button;
  • Name your application “ThingBoard”, and choose the application type - “Regular Web Applications”;
  • Afters, you need to choose the technology being used. Please, choose the “Java Spring Boot” technology;
  • Once your application is created, you are redirected to the application details page. Navigate to the “Settings” tab to find the Client ID and Client Secret;
  • In the allowed Callback URLs field, update the redirect URI using the format:
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http://domain:port/login/oauth2/code/

* where under the domain, please, specify the current domain of yours and for the port please specify the port to have an HTTP access to the ThingsBoard instance of yours. For the example reasons, my domain is the localhost, and the port is being the default ThingsBoard installation port 8080.

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http://localhost:8080/login/oauth2/code/
Doc info icon

Please note that it is not necessary to update the Application login URI.

  • In the “Advanced Settings” section, you can find all necessary URLs (endpoints) required for configuring OAuth 2.0;
  • Click “Save Changes” button.
To apply the configurations properly, we first need to obtain OAuth 2.0 credentials. Therefore, we first go to the OAuth0 Management Console. Open the "Applications" page, and click " Create Application" button;
To apply the configurations properly, we first need to obtain OAuth 2.0 credentials. Therefore, we first go to the OAuth0 Management Console. Open the "Applications" page, and click " Create Application" button;
Name your application "ThingBoard", and choose the application type - "Regular Web Applications";
Name your application "ThingBoard", and choose the application type - "Regular Web Applications";
Afters, you need to choose the technology being used. Please, choose the "Java Spring Boot" technology;
Afters, you need to choose the technology being used. Please, choose the "Java Spring Boot" technology;
Once your application is created, you are redirected to the application details page. Navigate to the "Settings" tab to find the Client ID and Client Secret;
Once your application is created, you are redirected to the application details page. Navigate to the "Settings" tab to find the Client ID and Client Secret;
As well, please update your allowed Callback URLs;
As well, please update your allowed Callback URLs;
In the "Advanced Settings" section you will be able to find all the required URLs (endpoints) for OAuth 2.0 configuration. Click "Save Changes" button.
In the "Advanced Settings" section you will be able to find all the required URLs (endpoints) for OAuth 2.0 configuration. Click "Save Changes" button.

Configuring OAuth0 provider in ThingsBoard

Now let’s add Auth0 as an OAuth 2.0 client of ThingsBoard:

  • Access your ThingsBoard instance using your System Administrator credentials;
  • Navigate to the “OAuth 2.0 clients” tab, and click “plus” icon to add a new client;
  • Enter a descriptive title for the client, and select “Custom” as the provider from the dropdown;
  • If necessary, specify the allowed platforms, or leave all;
  • Now enter the Client ID and Client secret obtained from the OAuth0 Management Console;

  • In the “General” block of the “Advanced settings” section, fill in all the necessary URLs, choose “POST” for the client authentication method, and enter “Auth0” as the provider label. Next, check the “Allow user creation” box. Add the following scopes in the scope field: “openid”, “email”, “profile”;

  • Proceed to the “Mapper” block. Select the “Basic” mapper type and “Domain” tenant name strategy. Specify %{email} as “Customer name pattern” (more details about these properties are described below in the “Basic mapper” part);

  • Click Add to confirm and finalize the addition of your new OAuth 2.0 client.

One more OAuth client added.

Access your ThingsBoard instance using your System Administrator credentials. Navigate to the "OAuth 2.0 clients" tab, and click "plus" icon to add a new client;
Access your ThingsBoard instance using your System Administrator credentials. Navigate to the "OAuth 2.0 clients" tab, and click "plus" icon to add a new client;
Enter a descriptive title for the client, and select "Custom" as the provider. Now enter the "Client ID" and "Client secret" obtained from the OAuth0 Management Console. In the "General" block of the "Advanced settings" section, fill in all the necessary URLs, choose "POST" for the client authentication method, and enter "Auth0" as the provider label. Next, check the "Allow user creation" box. Add the following scopes in the scope field: "openid", "email", "profile";
Enter a descriptive title for the client, and select "Custom" as the provider. Now enter the "Client ID" and "Client secret" obtained from the OAuth0 Management Console. In the "General" block of the "Advanced settings" section, fill in all the necessary URLs, choose "POST" for the client authentication method, and enter "Auth0" as the provider label. Next, check the "Allow user creation" box. Add the following scopes in the scope field: "openid", "email", "profile";
Proceed to the "Mapper" block. Select the "Basic" mapper type and "Domain" tenant name strategy. Specify %{email} as "Customer name pattern" (more details about these properties are described below in the "Basic mapper" part). Click "Add" to confirm adding the OAuth 2 client;
Proceed to the "Mapper" block. Select the "Basic" mapper type and "Domain" tenant name strategy. Specify %{email} as "Customer name pattern" (more details about these properties are described below in the "Basic mapper" part). Click "Add" to confirm adding the OAuth 2 client;
One more OAuth client added.
One more OAuth client added.


Now we need to add the OAuth client to the domain. You can add a new domain or update an existing one. In this example, we will update the existing one. To do this, perform the following steps:

  • Navigate to the “Domains” tab, locate and click the domain you added previously;
  • Click the large orange button to enter the domain editing mode;
  • Find the field for adding OAuth clients. Add the “OAuth0” client alongside the existing “OAuth2 authentication with Google” client. Make sure to save the changes to update your domain settings.

We have successfully updated the domain settings. Now it contains both providers used in our example:

Navigate to the "Domains" tab, locate and click the domain you added previously;
Navigate to the "Domains" tab, locate and click the domain you added previously;
Click the large orange button to enter the domain editing mode;
Click the large orange button to enter the domain editing mode;
Find the field for adding OAuth clients. Add the "OAuth0" client alongside the existing "OAuth2 authentication with Google" client. Make sure to save the changes to update your domain settings;
Find the field for adding OAuth clients. Add the "OAuth0" client alongside the existing "OAuth2 authentication with Google" client. Make sure to save the changes to update your domain settings;
We have successfully updated the domain settings. Now it contains both providers used in our example.
We have successfully updated the domain settings. Now it contains both providers used in our example.


Navigate to the login screen. You will find two available login methods: Google and Auth0. Click on the “Login with Auth0” button. This method allows you to quickly and securely log in to the system as a Customer User using your Auth0 credentials.

Navigate to the login screen. You will find two available login methods: Google and Auth0. Click on the "Login with Auth0" button. Use your Auth0 credentials to log in as a Customer User. This method allows you to quickly and securely log into the system using your Auth0 credentials;
Navigate to the login screen. You will find two available login methods: Google and Auth0. Click on the "Login with Auth0" button. Use your Auth0 credentials to log in as a Customer User. This method allows you to quickly and securely log into the system using your Auth0 credentials;
You have logged into ThingsBoard as a Customer User.
You have logged into ThingsBoard as a Customer User.

Mapping of the external user into ThingsBoard internal user structure

Mapping of the external user info object into ThingsBoard user can be achieved using the Basic, Custom, GitHub, and Apple mappers.

Basic mapper

A basic mapper is able to merge an external OAuth 2.0 user info object into the ThingsBoard OAuth 2.0 user with a predefined set of rules.

To use a basic mapper, set mapper type “Basic”.

To use a basic mapper, set mapper type "Basic".
To use a basic mapper, set mapper type "Basic".

Here are the details of other properties:

  • Allow user creation. If this option is enable, then in case, the user account does not exist in the ThingsBoard yet, it will be created. If this option is disable, the user will get access denied error, in case, he tries to log in with an external OAuth 2.0 provider, but there is no user on ThingsBoard with those credentials.

  • Email attribute key. This is the key to the attributes from the external OAuth 2.0 user info that is going to be used as ThingsBoard user email property.

  • First name attribute key. - This is the key to the attributes from the external OAuth 2.0 user info that is going to be used as ThingsBoard user first name property.

  • Last name attribute key. - This is the key to the attributes from the external OAuth 2.0 user info that is going to be used as ThingsBoard user surname property.

  • Tenant name strategy. - this option specifies which tenant is going to be chosen for creating the user. A basic mapper provides three possible options strategy for a generating Tenant name from an external user info object - domain, email, or custom:
    • DOMAIN - the name of the Tenant will be extracted as the domain from the email of the user;
    • EMAIL - the name of the Tenant will be the user’s email;
    • CUSTOM - a custom pattern can be set for the Tenant name. Please see Tenant name pattern.

  • Tenant name pattern. In case, the Tenant name strategy is Custom you can specify the name of the Tenant, where the user is going to be created with a help of a custom pattern. You can use attributes from the external user info object to put them into the Tenant’s name. Please use %{attribute_key} as placeholder for the attribute value.

    Tenant pattern examples:

    • Demo Tenant # Hard coded Tenant name;
    • Demo Tenant %{email} # if the user’s email is “[email protected]”, the Tenant’s name will be the “Demo Tenant [email protected]”;
    • %{givenName} # if the user’s givenName attribute is “Demo User”, the Tenant name will be “Demo User”.

  • Customer name pattern. User can be created under specific Customer, and not under the Tenant if this pattern field is not empty. You can use attributes from the external user info object to put them into the Customer name. Please use %{attribute_key} as placeholder for the attribute value.

    Customer pattern examples:

    • Demo Customer # Hard coded Customer name;
    • Demo Customer %{email} # If the user’s “email” attribute is “[email protected]”, the Customer name will be “Demo Customer [email protected]”;
    • %{city} # If the user’s “city” attribute is “New York”, the Customer name will be “New York”.

  • Default dashboard name. A user will be redirected to a specific Dashboard if this field is not empty.

  • Always full screen. If this option is enable and Default dashboard name is not empty, the User will be redirected to a specific dashboard in a fullscreen mode.

Custom mapper

If the basic mapper functionality doesn’t cover your business needs, with the help of the custom mapper you are able to add an implementation that fits your specific goals.

A custom mapper designed as a separate microservice that is running nearby the ThingsBoard core microservice. ThingsBoard forwards all mapping requests to this microservice and expects as a response ThingsBoard OAuth 2.0 user object.

Please refer to this base implementation as a starting point for your custom mapper.

To use the custom mapper, set mapper type “Custom”.

To use the custom mapper, set mapper type "Custom".
To use the custom mapper, set mapper type "Custom".

Here are the details of other properties:

  • URL. URL of the custom mapper endpoint;
  • username. If the custom mapper endpoint configured with basic authorization, specify the username in this property;
  • password. If the custom mapper endpoint configured with basic authorization, specify the password in this property.

HaProxy configuration

If ThingsBoard is running under a load balancer like HAProxy please configure properly balance algorithm to make sure that the correct session is available on the ThingsBoard instance:

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backend tb-api-backend
  ...
  balance source # balance must be set to 'source'
  ...

As well please configure properly ACL mapping for HTTP and HTTPs requests:

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frontend http-in
  ...
  acl tb_api_acl path_beg /api/ /swagger /webjars /v2/ /static/rulenode/ /oauth2/ /login/oauth2/ # '/oauth2/ /login/oauth2/' added
  ...

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frontend https_in
  ...
  acl tb_api_acl path_beg /api/ /swagger /webjars /v2/ /static/rulenode/ /oauth2/ /login/oauth2/ # '/oauth2/ /login/oauth2/' added
  ...