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 ClientID This is the registered ClientID in AzureAD .PARAMETER ClientSecret This is the key of the registered app in AzureAD .PARAMETER TenantID This is your Office 365 Tenant Domain .EXAMPLE $graphToken = New-MSGraphAPIToken -ClientID <ClientID> -ClientSecret <ClientSecret> -TenantID <TenantID> The above example gets a new token using the ClientID, ClientSecret and TenantID combination .NOTES General notes #> param( [parameter(mandatory=$true)] [string]$ClientID, [parameter(mandatory=$true)] [string]$ClientSecret, [parameter(mandatory=$true)] [string]$TenantID ) $body = @{grant_type="client_credentials";scope="https://graph.microsoft.com/.default";client_id=$ClientID;client_secret=$ClientSecret} $oauth = Invoke-RestMethod -Method Post -Uri https://login.microsoftonline.com/$TenantID/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 ClientID This is the registered ClientID in AzureAD .PARAMETER ClientSecret This is the key of the registered app in AzureAD .PARAMETER TenantID This is your Office 365 TenantID .EXAMPLE $graphToken = New-OutlookRestAPIToken -ClientID <ClientID> -ClientSecret <ClientSecret> -TenantID <TenantID> The above example gets a new token using the ClientID, ClientSecret and TenantID combination .NOTES General notes #> param( [parameter(mandatory=$true)] [string]$ClientID, [parameter(mandatory=$true)] [string]$ClientSecret, [parameter(mandatory=$true)] [string]$TenantID ) $body = @{grant_type="client_credentials";scope="https://outlook.office.com/.default";client_id=$ClientID;client_secret=$ClientSecret} $oauth = Invoke-RestMethod -Method Post -Uri https://login.microsoftonline.com/$TenantID/oauth2/v2.0/token -Body $body $token = @{'Authorization'="$($oauth.token_type) $($oauth.access_token)"} Return $token } |