SSO for tabs and message extension
The Microsoft Entra single sign-on (Microsoft Entra SSO) helps to authenticate users in Teams.
Key aspects of Microsoft Entra SSO:
- Allows the user to sign in automatically after the first sign in.
- Allows the user to sign in to other devices without entering credentials again.
- Obtains token for the signed in user.
This step-by-step guide helps you to create tabs and message extensions enabling Microsoft Entra SSO authentication. You'll see the following output:
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Hands-on LabEnsure that you install the following tools and set up your development environment:
Install | For using... | |
---|---|---|
Microsoft Teams | Microsoft Teams to collaborate with everyone you work with through apps for chat, meetings, and calls all in one place. | |
Microsoft 365 developer account | Access to Teams account with the appropriate permissions to install an app. | |
.NET Core SDK | Customized bindings for local debugging and Azure Functions app deployments. If you haven't installed the latest version, install the portable version. | |
Visual Studio 2022 | You can install the enterprise version in Visual Studio 2022, and install the ASP.NET and web development workloads. Use the latest version. | |
Dev tunnel | Teams app features (conversational bots, message extensions, and incoming webhooks) need inbound connections. A tunnel connects your development system to Teams. Dev tunnel is a powerful tool to securely open your localhost to the internet and control who has access. Dev tunnel is available in Visual Studio 2022 version 17.7.0 or later. or You can also use ngrok as a tunnel to connect your development system to Teams. It isn't required for apps that only include tabs. This package is installed within the project directory (using npm devDependencies ). |
Note
After downloading ngrok, sign up and install authtoken.
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Hands-on LabOpen Microsoft-Teams-Samples.
Select Code.
From the dropdown menu, select Open with GitHub Desktop.
Select Clone.
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Hands-on LabThe following steps help you to create and register your bot in Azure portal:
- Create and register your Azure app.
- Create client secret to enable SSO authentication of the bot.
- Add Teams channel to deploy the bot.
- Create a tunnel to your web server's endpoints using dev tunnel (recommended) or ngrok.
- Add messaging endpoint to the dev tunnel that you created.
Add App registration
Go to Azure portal.
Select App registrations.
Select + New registration.
Enter the name of your app.
Select Accounts in any organizational directory (Any Microsoft Entra ID tenant - Multitenant).
Select Register.
Your app is registered in Microsoft Entra ID. The app overview page appears.
Note
Save the app ID from Application (client) ID and Directory (tenant) ID for further use.
Create a tunnel
Open Visual Studio.
Select Create a new project.
In the search box, enter ASP.NET. From the search results, select ASP.NET Core Web App.
Select Next.
Enter Project name and select Next.
Select Create.
An overview window appears.
In the debug dropdown list, select Dev Tunnels (no active tunnel) > Create a Tunnel....
A pop-up window appears.
Update the following details in the pop-up window:
- Account: Enter a Microsoft or GitHub account.
- Name: Enter a name for your tunnel.
- Tunnel Type: From the dropdown list, select Temporary.
- Access: From the dropdown list, select Public.
Select OK.
A pop-up window appears showing that dev tunnel is successfully created.
Select OK.
You can find the tunnel you've created in the debug dropdown list as follows:
Select F5 to run the application in the debug mode.
If a Security Warning dialog appears, select Yes.
A pop-up window appears.
Select Continue.
The dev tunnel home page opens in a new browser window and the dev tunnel is now active.
Go to Visual Studio, select View > Output.
From the Output console dropdown menu, select Dev Tunnels.
The Output console shows the dev tunnel URL.
Add a web authentication
In the left pane, under Manage, select Authentication.
Select Add a platform > Web.
Enter the redirect URI for your app by appending
auth-end
to the fully qualified domain name. For example,https://your-devtunnel-domain/auth-end
orhttps://your-ngrok-domain/auth-end
.Under Implicit grant and hybrid flows, select the Access tokens and ID tokens checkboxes.
Select Configure.
Under Web, select Add URI.
Enter
https://token.botframework.com/.auth/web/redirect
.Select Save.
Create a client secret
In the left pane, under Manage, select Certificates & secrets.
Under Client secrets, select + New client secret.
The Add a client secret window appears.
Enter Description.
Select Add.
Under Value, select Copy to clipboard to save the client secret value for further use.
Add API permissions
In the left pane, select API permissions.
Select + Add a permission.
Select Microsoft Graph.
Select Delegated permissions.
Select User > User.Read.
Select Add permissions.
Note
- If an app isn't granted IT admin consent, users must provide consent the first time they use an app.
- Users need to consent to the API permissions only if the Microsoft Entra app is registered in a different tenant.
Add Application ID URI
In the left pane, under Manage, select Expose an API.
Next to Application ID URI, select Add.
Update the Application ID URI in the
api://your-devtunnel-domain/botid-{AppID}
orapi://your-ngrok-domain/botid-{AppID}
format and select Save.The following image shows the domain name:
Add a scope
In the left pane, under Manage, select Expose an API.
Select + Add a scope.
Enter access_as_user as the Scope name.
Under Who can consent?, select Admins and users.
Update the values for the rest of the fields as follows:
Enter Teams can access the user’s profile as Admin consent display name.
Enter Allows Teams to call the app’s web APIs as the current user as Admin consent description.
Enter Teams can access the user profile and make requests on the user’s behalf as User consent display name.
Enter Enable Teams to call this app’s APIs with the same rights as the user as User consent description.
Ensure that State is set to Enabled.
Select Add scope.
The following image shows the fields and the values:
Note
The Scope name must match with the Application ID URI with
/access_as_user
appended at the end.
Add client application
In the left pane, under Manage, select Expose an API.
Under Authorized client applications, identify the applications that you want to authorize for your app’s web application.
Select + Add a client application.
Add Teams mobile or desktop and Teams web application.
For Teams mobile or desktop: Enter the Client ID as
1fec8e78-bce4-4aaf-ab1b-5451cc387264
.For Teams web: Enter the Client ID as
5e3ce6c0-2b1f-4285-8d4b-75ee78787346
.
Select the Authorized scopes checkbox.
Select Add application.
The following image displays the Client Id:
Update the manifest
In the left pane, select Manifest.
Set the value for the
accessTokenAcceptedVersion
to2
and select Save.
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Hands-on LabCreate an Azure bot resource
Note
If you're already testing your bot in Teams, sign out of this app and Teams. To see this change, sign in again.
Go to Home.
Select + Create a resource.
In the search box, enter Azure Bot.
Select Enter.
Select Azure Bot.
Select Create.
Enter the bot name in Bot handle.
Select your Subscription from the dropdown list.
Select your Resource group from the dropdown list.
If you don't have an existing resource group, you can create a new resource group. To create a new resource group, follow these steps:
- Select Create new.
- Enter the resource name and select OK.
- Select a location from New resource group location dropdown list.
Under Pricing, select Change plan.
Select FO Free > Select.
Under Microsoft App ID, select Type of App as Multi Tenant.
In the Creation type, select Use existing app registration.
Enter the App ID.
Note
You can't create more than one bot with the same Microsoft App ID.
Select Review + create.
After the validation passes, select Create.
The bot takes a few minutes to provision.
Select Go to resource.
You've successfully created your Azure bot.
Add a Teams channel
In the left pane, select Channels.
Under Available Channels, select Microsoft Teams.
Select the checkbox to accept the Terms of Service.
Select Agree.
Select Apply.
To add a messaging endpoint
Use the dev tunnel URL in the Output console as the messaging endpoint.
In the left pane, under Settings, select Configuration.
Update the Messaging endpoint in the format
https://your-devtunnel-domain/api/messages
.Select Apply.
You've successfully set up a bot in Azure Bot service.
Note
If the Application Insights Instrumentation key shows an error, update with App ID.
Add an OAuth connection settings
In the left pane, select Configuration.
Select Add OAuth Connection Settings.
Under New Connection Setting, update the following details:
- Name: Enter a name for your new connection setting. You can use the name in the settings of your bot service code.
- Service Provider: From the dropdown list, select Azure Active Directory v2.
- Client id: Update your Microsoft App ID.
- Client secret: Update the client secrets Value.
- Token Exchange URL: Update the Application ID URI.
- Tenant ID: Enter Common.
- Scopes: Enter User.Read.
Select Save.
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Hands-on LabGo to the appsettings.json file in the cloned repository.
Open the appsettings.json file in Visual Studio.
Update the following information:
- Replace
"MicrosoftAppId"
to your bot's Microsoft App ID. - Replace
"MicrosoftAppPassword"
to your bot's client secrets Value. - Replace
"SiteUrl"
to your ngrok URL. - Replace
"ConnectionName"
to the name of OAuth connection setting. - Replace
"TenantId"
to the tenant ID of the tenant where the app is used. - Replace
"ClientId"
to your bot's Microsoft App ID. - Replace
"AppSecret"
to your bot's client secrets Value. - Replace
"ApplicationIdURI"
in the form ofapi://*******.ngrok.io/botid-{AppID}
.
- Replace
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Hands-on LabGo to the manifest.json file in the cloned repository.
Open the manifest.json file in Visual Studio and make the following changes:
Replace
DOMAIN-NAME
with your ngrok URL.Replace
YOUR-MICROSOFT-APP-ID
with your bot's Microsoft App ID.Note
Depending on the scenario
[YOUR-MICROSOFT-APP-ID]
and[DOMAIN-NAME]
may occur multiple times.Replace
resource
asapi://*******.ngrok.io/botid-{AppID}
.
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Hands-on LabTo build and run the service, use Visual Studio or Command line.
Open Visual Studio.
Select File > Open > Project/Solution....
In the csharp folder, select App SSO Sample.csproj file.
Press F5 to run the project.
Select Yes if the following dialog appears:
A webpage appears with a message Your bot is ready!
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Hands-on LabIn your cloned repository, go to csharp > App SSO Sample > TeamsAppManifest.
Create a .zip file with the following files that are present in the Manifest folder:
- manifest.json
- icon-outline.png
- icon-color.png
In the Teams client, select the Apps icon.
Select Manage your apps.
Select Upload an app.
Look for the option to Upload a custom app. If you see the option, custom app upload is enabled.
Note
Contact your Teams administrator, if you don't find the option to upload a custom app.
Select Open to upload the .zip file that you created in the Manifest folder.
Select Add.
Send a message to the bot.
The bot performs SSO and displays profile card along with option prompt to view token.
Select Yes to view token or No to continue with chat.
If SSO isn't performed, then the bot performs default authentication method for your tab.
To sign in, if SSO isn't performed:
In the left pane of the Teams, select More added apps (●●●).
Select your new SSO application.
Select sign in.
Enter your credentials in Sign in window and select Next.
Select Accept.
Select your profile under search box. You'll see the following output:
Send
https://profile.botframework.com
to the application to get a profile card.
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Hands-on LabDid you come up with output like this?
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Hands-on LabYou've completed the tutorial to get started with SSO for tab and message extension app.
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