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Update ReST.ps1 to use MSAL for auth token retrieval #11

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Merged
soocho-MSFT merged 6 commits into from
Nov 29, 2021
Merged

Update ReST.ps1 to use MSAL for auth token retrieval #11

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a9f1248
Update ReST.ps1
ditiwari-0512 Oct 8, 2021
b4f0a26
Update ReST.ps1
ditiwari-0512 Oct 8, 2021
937932f
Update ReST.ps1
ditiwari-0512 Oct 18, 2021
fc07a3a
Update README.md
ditiwari-0512 Oct 18, 2021
3784a14
Update ReST.ps1
ditiwari-0512 Nov 18, 2021
5bf4a40
Updated sample url example to contoso url in permissions scopes
ditiwari-0512 Nov 22, 2021
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -19,7 +19,7 @@ The Project REST Basic Operations demonstrates how to create and update a projec
To use this Project Online REST code sample, you need the following:
* An Office 365 tenant with a Project license
* PowerShell v4.0
* Latest ADAL.NET library. It is available as a Nuget Package from [here](https://www.nuget.org/packages/Microsoft.IdentityModel.Clients.ActiveDirectory/)
* Latest MSAL .Net library. It is available as a Nuget Package from [here](https://www.nuget.org/packages/Microsoft.Identity.Client/)
* For the files downloaded, please run "Unblock-File *" to unblock accessing the file.

###Modules
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31 changes: 18 additions & 13 deletions ReST.ps1
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Expand Up @@ -10,33 +10,36 @@ Set-StrictMode -Version "Latest" # http://technet.microsoft.com/en-us/library/dd
$global:accessHeader = ''
$global:digestValue = ''

[Reflection.Assembly]::LoadFrom("$($PSScriptRoot)\Microsoft.IdentityModel.Clients.ActiveDirectory.dll") | Out-Null
[Reflection.Assembly]::LoadFrom("$($PSScriptRoot)\Microsoft.Identity.Client.dll") | Out-Null

function Get-AADAuthToken([Uri] $Uri)
function Get-AuthToken([Uri] $Uri)
{
# NOTE: Create an azure app and update $clientId and $redirectUri below
# NOTE: Create an azure app and update $clientId,$tenantId and $redirectUri below
$clientId = ""
$redirectUri = "https://login.microsoftonline.com/common/oauth2/nativeclient"
$tenantId = ""
$redirectUri = ""
# user's PJO login account
$user = ""
$scopes = New-Object System.Collections.Generic.List[string]
# Project.Write Permission scope for app eg:"https://contoso.sharepoint.com/Project.Write"
$writeScope = ""
$scopes.Add($writeScope)
$pcaConfig = [Microsoft.Identity.Client.PublicClientApplicationBuilder]::Create($clientId).WithTenantId($tenantId).WithRedirectUri($redirectUri);

$authority = "https://login.microsoftonline.com/common"
$resource = $Uri.GetLeftPart([System.UriPartial]::Authority);

$promptBehavior = [Microsoft.IdentityModel.Clients.ActiveDirectory.PromptBehavior]::Always
$platformParam = New-Object "Microsoft.IdentityModel.Clients.ActiveDirectory.PlatformParameters" -ArgumentList $promptBehavior
$authenticationContext = New-Object "Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext" -ArgumentList $authority, $False
$authenticationResult = $authenticationContext.AcquireTokenAsync($resource, $clientId, $redirectUri, $platformParam).Result
$authenticationResult = $pcaConfig.Build().AcquireTokenInteractive($scopes).WithPrompt([Microsoft.Identity.Client.Prompt]::NoPrompt).WithLoginHint($user).ExecuteAsync().Result;

return $authenticationResult
}

# Gets Auth Token using MSAL library.
function Set-SPOAuthenticationTicket([string] $siteUrl)
{
$siteUri = New-Object Uri -ArgumentList $siteUrl

$authResult = Get-AADAuthToken -Uri $siteUri
$authResult = Get-AuthToken -Uri $siteUri
if ($authResult -ne $null)
{
$global:accessHeader = $authResult.AccessTokenType + " " + $authResult.AccessToken
$global:accessHeader = $authResult.CreateAuthorizationHeader()
}

if ([String]::IsNullOrEmpty($global:accessHeader))
Expand Down Expand Up @@ -67,6 +70,8 @@ function Build-ReSTRequest([string] $siteUrl, [string]$endpoint, [string]$method

# set Authorization header
$req.Headers.Add("Authorization", $global:accessHeader)
# handle ETag
$req.Headers.Add("If-Match", "*")

if (-not $isDigestRequest)
{
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