Simon Poirier poiriersimon

Powershell proficient and learning IoT and Python. Microsoft Employee, but nothing I post here is supported in anyway by Microsoft. Those are personal projects

6 followers · 3 following

Microsoft
Montreal, Canada
@[email protected]

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poiriersimon / TrapInvalidAuth.ps1

Created September 21, 2018 18:20

Sample Function to catch expired Token in Powershell ADAL and do a new request.

	function TrapInvalidAuth {
	Trap {
	if($_ -like "InvalidAuthenticationToken"){
	$authheader = GetAuthHeaders;Invoke-RestMethod -Uri $uri –Headers $authHeader –Method Get
	}
	}
	Invoke-RestMethod -Uri $uri –Headers $authHeader –Method Get
	}

	function GetAuthHeaders

poiriersimon / Microsoft Graph API Example - App with Secret.ps1

Created September 21, 2018 17:39

Microsoft Graph API Powershell Example - App with Secret

	#Require an AzureAD App with Microsoft Graph API and
	# App Permission
	# - Read mail in all mailboxes
	# Impersonation Permission
	# - Read user and shared mail
	# Don't forget to grant permission

	#Pre-reqs for REST API calls
	$ClientID = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
	$ClientSecret = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX="

poiriersimon / Manage Office 365 API Example.ps1

Last active September 21, 2018 17:40

Sample Powershell Script to check the Health of Office 365 Environment with Office 365 Management API

	#Create an Web Azure AD Application + Key
	#Permission - Office 365 Management APIs (both App and Impersonation)
	# - Read service health information for your organization
	# - Read activity data for your organization
	# Don't forget to click on Grant Permission
	# Based on https://github.com/OfficeDev/O365-InvestigationTooling/blob/master/O365InvestigationDataAcquisition.ps1

	#Pre-reqs for REST API calls
	$ClientID = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
	$ClientSecret = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXX"

poiriersimon / GraphAPI Example.ps1

Created September 21, 2018 17:36

Sample Powershell script to connect and use Microsoft Graph API

	#You need AzureAD Module (Save-Module AzureAD -Path C:\temp)
	function GetAuthHeaders
	{
	[cmdletbinding()]
	param(
	[Parameter(Mandatory = $true)]
	[string]$Tenant = "",
	[Parameter(Mandatory = $true)]
	[string]$UserPrincipalName = ""
	)

poiriersimon / ConnectEXOWithToken.ps1

Created September 21, 2018 17:34

Connect to Exchange Online Powershell ADAL without Click-to-Run

	#Ref : https://www.michev.info/Blog/Post/1771/hacking-your-way-around-modern-authentication-and-the-powershell-modules-for-office-365
	$TenantName = "TENANTNAME.onmicrosoft.com"
	$UserPrincipalName = "[email protected]"
	$resourceUri = "https://outlook.office365.com"
	$redirectUri = "urn:ietf:wg:oauth:2.0:oob"
	$clientid = "a0c73c16-a7e3-4564-9a95-2bdf47383716"

	#You need AzureAD Module (Save-Module AzureAD -Path C:\temp)
	Add-Type -Path C:\Temp\AzureAD\Microsoft.IdentityModel.Clients.ActiveDirectory.dll

poiriersimon / Office 365 EXO EWS with Cert Auth API Example.ps1

Last active March 26, 2025 05:50

Exchange Online EWS with Certificate Authentication

	#For this example you need an Azure App registered with a Self Sign Cert and a user with EWS Access to grab email.
	#You need AzureAD Module (Save-Module AzureAD -Path C:\temp)
	#You need EWS API 2.2 (www.microsoft.com/en-us/download/details.aspx?id=35371)
	#App need to have Office 365 API access to read email.
	# Permission under Office 365 Exchange Online:
	# Admin : Use Exchange Web Services with full access to all mailboxes
	# Delegate : Delegated permissions: full_access_as_user – Access mailbox as signed in user via Exc…
	# Cert : https://github.com/Azure-Samples/active-directory-dotnet-daemon-certificate-credential/blob/master/Manual-Configuration-Steps.md
	<#
	$cert=New-SelfSignedCertificate -Subject "CN=Office365APIDemo" -CertStoreLocation "Cert:\CurrentUser\My" -KeyExportPolicy Exportable -KeySpec Signature

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