Office365TokenGet.psm1
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Function New-MSGraphAPIToken { <# .SYNOPSIS Acquire authentication token for MS Graph API .DESCRIPTION If you have a registered app in Azure AD, this function can help you get the authentication token from the MS Graph API endpoint. Each token is valid for 60 minutes. .PARAMETER appID This is the registered appID in AzureAD .PARAMETER appKey This is the key of the registered app in AzureAD .PARAMETER domain This is your Office 365 Tenant Domain .EXAMPLE $graphToken = New-MSGraphAPIToken -appID <appID> -appKey <appKey> -domain <tenant domain> The above example gets a new token using the appID, appKey and tenant domain combination .NOTES General notes #> param( [parameter(mandatory=$true)] [string]$appID, [parameter(mandatory=$true)] [string]$appKey, [parameter(mandatory=$true)] [string]$domain ) $body = @{grant_type="client_credentials";scope="https://graph.microsoft.com/.default";client_id=$appID;client_secret=$appKey} $oauth = Invoke-RestMethod -Method Post -Uri https://login.microsoftonline.com/$domain/oauth2/v2.0/token -Body $body $token = @{'Authorization'="$($oauth.token_type) $($oauth.access_token)"} Return $token } Function New-OutlookRestAPIToken { <# .SYNOPSIS Acquire authentication token for Outlook REST API .DESCRIPTION If you have a registered app in Azure AD, this function can help you get the authentication token from the Outlook REST API endpoint. Each token is valid for 60 minutes. .PARAMETER appID This is the registered appID in AzureAD .PARAMETER appKey This is the key of the registered app in AzureAD .PARAMETER domain This is your Office 365 Tenant Domain .EXAMPLE $graphToken = New-OutlookRestAPIToken -appID <appID> -appKey <appKey> -domain <tenant domain> The above example gets a new token using the appID, appKey and tenant domain combination .NOTES General notes #> param( [parameter(mandatory=$true)] [string]$appID, [parameter(mandatory=$true)] [string]$appKey, [parameter(mandatory=$true)] [string]$domain ) $body = @{grant_type="client_credentials";scope="https://outlook.office.com/.default";client_id=$appID;client_secret=$appKey} $oauth = Invoke-RestMethod -Method Post -Uri https://login.microsoftonline.com/$domain/oauth2/v2.0/token -Body $body $token = @{'Authorization'="$($oauth.token_type) $($oauth.access_token)"} Return $token } |