Update connection to work with expired token

ZertoApiWrapper/Private/Invoke-ZertoRestRequest.ps1

@@ -15,19 +15,14 @@ function Invoke-ZertoRestRequest {
         Write-Error -Message "Zerto Connection does not Exist. Please run Connect-ZertoServer first to establish a connection"
         break
     }
-    if ( Test-Path variable:script:zvmHeaders ) {
-        $headers = $script:zvmHeaders
-    } else {
-        $headers = $null
-    }
     if ( (Test-Path variable:script:zvmHeaders) -and $([datetime]$script:zvmLastAction).addMinutes(30) -lt $(get-date) ) {
-        Write-Error -Message "Authorization Token has Expired or Does not exist in Env variables. Please re-authorize to the Zerto Virtual Manager"
+        Write-Error -Message "Authorization Token has Expired. Please re-authorize to the Zerto Virtual Manager"
         break
     } else {
         $submittedURI = "https://{0}:{1}/{2}/{3}" -f $script:zvmServer, $script:zvmPort, $apiVersion, $uri
         try {
             $script:zvmLastAction = (get-date).Ticks
-            $apiRequestResults = Invoke-RestMethod -Uri $submittedURI -Headers $headers -Method $method -Body $body -ContentType $contentType -Credential $credential -SkipCertificateCheck -ResponseHeadersVariable responseHeaders -TimeoutSec 100
+            $apiRequestResults = Invoke-RestMethod -Uri $submittedURI -Headers $script:zvmHeaders -Method $method -Body $body -ContentType $contentType -Credential $credential -SkipCertificateCheck -ResponseHeadersVariable responseHeaders -TimeoutSec 100
         } catch {
             Write-Error -ErrorRecord $_ -ErrorAction $callerErrorActionPreference
         }

ZertoApiWrapper/Public/Connect-ZertoServer.ps1

@@ -16,20 +16,20 @@ function Connect-ZertoServer {
             HelpMessage = "Valid credentials to connect to the Zerto Management Server"
         )]
         [System.Management.Automation.PSCredential]
-        $credential
+        $credential,
+        [switch]$returnHeaders
     )
     Set-Variable -Name zvmServer -Scope Script -Value $zertoServer
     Set-Variable -Name zvmPort -Scope Script -Value $zertoPort
     Set-Variable -Name zvmLastAction -Scope Script -Value $(get-date).Ticks
-    # $zertoConnectionInformation = @{"zertoServer" = $zertoServer; "zertoPort" = $zertoPort; "LastAction" = $(get-date).Ticks}
+    Set-Variable -Name zvmHeaders -Scope Script -Value $null
-    # Set-Item Env:zertoConnectionInformation -Value ($zertoConnectionInformation | ConvertTo-Json -Compress)
     $body = '{"AuthenticationMethod": "1"}'
     $uri = "session/add"
     $results = Invoke-ZertoRestRequest -uri $uri -credential $credential -returnHeaders -body $body -method POST
     $zertoAuthorizationHeaders = @{"x-zerto-session" = $results.Headers['x-zerto-session'][0].ToString(); "Accept" = "application/json"}
     Set-Variable -Name zvmHeaders -Scope Script -Value $zertoAuthorizationHeaders
-    # Set-Item Env:zertoAuthorizationHeaders -Value ($zertoAuthorizationHeaders | ConvertTo-Json -Compress)
     Set-Variable -Name zvmLocalInfo -Scope Script -Value (Get-ZertoLocalSite)
-    # Set-Item Env:zertoLocalSiteInfo -Value ($zertoLocalSiteInfo | ConvertTo-Json -Compress)
+    if ($returnHeaders) {
         return $zertoAuthorizationHeaders
     }
+}