Add delegated permissions step

scripts/New-PublicClientApplication.ps1

@@ -4,7 +4,6 @@
 param(
     [Alias("n")]
     [string]$AppName,
-    [switch]$UsePowershellModules,
     [Alias("h")]
     [switch]$Help
 )
@@ -16,7 +15,6 @@ function Show-Usage {
     Write-Host "Usage: ./New-PublicClientApplication.ps1 -AppName <name>"
     Write-Host "Options:"
     Write-Host "  -AppName, -n <name>  Application display name (required)"
-    Write-Host "  -UsePowershellModules Use Az.Accounts/Az.Resources cmdlets instead of Azure CLI"
     Write-Host "  -Help, -h            Show this help message and exit"
 }
 
@@ -85,109 +83,66 @@ $azureServiceMgmtScopeId = "41094075-9dad-400e-a0bd-54e686782033"
 $azureDevOpsAppId = "499b84ac-1321-427f-aa17-267ca6975798"
 $azureDevOpsScopeId = "ee69721e-6c3a-468f-a9ec-302d16a4c599"
 
-if ($UsePowershellModules) {
-    if (-not (Get-Command Get-AzADApplication -ErrorAction SilentlyContinue)) {
-        throw "Get-AzADApplication cmdlet not found. Install Az.Resources."
-    }
-    if (-not (Get-Command New-AzADApplication -ErrorAction SilentlyContinue)) {
-        throw "New-AzADApplication cmdlet not found. Install Az.Resources."
-    }
-    if (-not (Get-Command Update-AzADApplication -ErrorAction SilentlyContinue)) {
-        throw "Update-AzADApplication cmdlet not found. Install Az.Resources."
-    }
+if (-not (Get-Command az -ErrorAction SilentlyContinue)) {
+    throw "Azure CLI 'az' is required."
+}
 
-    $azContext = Get-AzContext
-    if ($null -eq $azContext) {
-        throw "No Azure context found. Run Connect-AzAccount first."
-    }
+# Find the app by name
+$existingAppId = az ad app list --display-name $AppName --query "[0].appId" -o tsv
+if ($LASTEXITCODE -ne 0) {
+    throw "Failed to query existing applications."
+}
+if (-not [string]::IsNullOrWhiteSpace($existingAppId)) {
+    Write-Error "Application '$AppName' already exists."
+    exit 1
+}
 
-    $existingApp = Get-AzADApplication -DisplayName $AppName -First 1
-    if ($null -ne $existingApp) {
-        Write-Error "Application '$AppName' already exists."
-        exit 1
-    }
+# Create the app
+$appId = az ad app create --display-name $AppName --query "appId" -o tsv
+if ($LASTEXITCODE -ne 0 -or [string]::IsNullOrWhiteSpace($appId)) {
+    throw "Failed to create application '$AppName'."
+}
 
-    $requiredResourceAccess = Get-RequiredResourceAccess `
-        -M365GraphAppId $m365GraphAppId `
-        -M365GraphScopeId $m365GraphScopeId `
-        -AzureDevOpsAppId $azureDevOpsAppId `
-        -AzureDevOpsScopeId $azureDevOpsScopeId `
-        -AzureServiceMgmtAppId $azureServiceMgmtAppId `
-        -AzureServiceMgmtScopeId $azureServiceMgmtScopeId
+$requiredResourceAccess = Get-RequiredResourceAccess `
+    -M365GraphAppId $m365GraphAppId `
+    -M365GraphScopeId $m365GraphScopeId `
+    -AzureDevOpsAppId $azureDevOpsAppId `
+    -AzureDevOpsScopeId $azureDevOpsScopeId `
+    -AzureServiceMgmtAppId $azureServiceMgmtAppId `
+    -AzureServiceMgmtScopeId $azureServiceMgmtScopeId | ConvertTo-Json -Depth 10 -Compress
 
-    $webConfig = @{
-        implicitGrantSettings = @{
-            enableAccessTokenIssuance = $true
-            enableIdTokenIssuance = $true
-        }
-    }
+$publicClientRedirectUris = @(
+    "http://localhost",
+    "msal${appId}://auth"
+) | ConvertTo-Json -Compress
 
-    # Create first to obtain appId needed for msal<appId>://auth redirect URI.
-    $newApp = New-AzADApplication `
-        -DisplayName $AppName `
-        -SignInAudience "AzureADMyOrg" `
-        -IsFallbackPublicClient `
-        -PublicClientRedirectUri @("http://localhost") `
-        -RequiredResourceAccess $requiredResourceAccess `
-        -Web $webConfig
+# Configure app to match "Azure Node Playground Public".
+az ad app update `
+    --id $appId `
+    --set `
+    "signInAudience=AzureADMyOrg" `
+    "isFallbackPublicClient=true" `
+    "requiredResourceAccess=$requiredResourceAccess" `
+    "publicClient.redirectUris=$publicClientRedirectUris" `
+    "web.implicitGrantSettings.enableAccessTokenIssuance=true" `
+    "web.implicitGrantSettings.enableIdTokenIssuance=true" | Out-Null
 
-    if ($null -eq $newApp -or [string]::IsNullOrWhiteSpace($newApp.AppId)) {
-        throw "Failed to create application '$AppName' via Az.Resources."
-    }
+if ($LASTEXITCODE -ne 0) {
+    throw "Failed to configure application '$AppName'."
+}
 
-    $appId = $newApp.AppId
+# Azure CLI is used to grant admin consent.
 
-    Update-AzADApplication `
-        -ApplicationId $appId `
-        -SignInAudience "AzureADMyOrg" `
-        -IsFallbackPublicClient `
-        -RequiredResourceAccess $requiredResourceAccess `
-        -PublicClientRedirectUri @("http://localhost", "msal${appId}://auth") `
-        -Web $webConfig | Out-Null
-} else {
-    # Find the app by name
-    $existingAppId = az ad app list --display-name $AppName --query "[0].appId" -o tsv
-    if ($LASTEXITCODE -ne 0) {
-        throw "Failed to query existing applications."
-    }
-    if (-not [string]::IsNullOrWhiteSpace($existingAppId)) {
-        Write-Error "Application '$AppName' already exists."
-        exit 1
-    }
+# Ensure service principal exists before granting tenant-wide admin consent.
+az ad sp create --id $appId | Out-Null
+if ($LASTEXITCODE -ne 0) {
+    throw "Failed to ensure service principal exists for '$AppName' ($appId)."
+}
 
-    # Create the app
-    $appId = az ad app create --display-name $AppName --query "appId" -o tsv
-    if ($LASTEXITCODE -ne 0 -or [string]::IsNullOrWhiteSpace($appId)) {
-        throw "Failed to create application '$AppName'."
-    }
-
-    $requiredResourceAccess = Get-RequiredResourceAccess `
-        -M365GraphAppId $m365GraphAppId `
-        -M365GraphScopeId $m365GraphScopeId `
-        -AzureDevOpsAppId $azureDevOpsAppId `
-        -AzureDevOpsScopeId $azureDevOpsScopeId `
-        -AzureServiceMgmtAppId $azureServiceMgmtAppId `
-        -AzureServiceMgmtScopeId $azureServiceMgmtScopeId | ConvertTo-Json -Depth 10 -Compress
-
-    $publicClientRedirectUris = @(
-        "http://localhost",
-        "msal${appId}://auth"
-    ) | ConvertTo-Json -Compress
-
-    # Configure app to match "Azure Node Playground Public".
-    az ad app update `
-        --id $appId `
-        --set `
-        "signInAudience=AzureADMyOrg" `
-        "isFallbackPublicClient=true" `
-        "requiredResourceAccess=$requiredResourceAccess" `
-        "publicClient.redirectUris=$publicClientRedirectUris" `
-        "web.implicitGrantSettings.enableAccessTokenIssuance=true" `
-        "web.implicitGrantSettings.enableIdTokenIssuance=true" | Out-Null
-
-    if ($LASTEXITCODE -ne 0) {
-        throw "Failed to configure application '$AppName'."
-    }
+# Grant admin consent for configured delegated permissions.
+az ad app permission admin-consent --id $appId | Out-Null
+if ($LASTEXITCODE -ne 0) {
+    throw "Failed to grant admin consent for '$AppName' ($appId)."
 }
 
 Write-Host "Created application '$AppName'"