Move IZRR function to public

ZertoApiWrapper/Public/Invoke-ZertoRestRequest.ps1

@@ -0,0 +1,89 @@
+function Invoke-ZertoRestRequest {
+    [cmdletbinding()]
+    param(
+        [ValidateSet("GET", "PUT", "POST", "DELETE")]
+        [string]$method = "GET",
+        [Parameter(Mandatory)]
+        [ValidateNotNullOrEmpty()]
+        [string]$uri,
+        [ValidateNotNullOrEmpty()]
+        [string]$apiVersion = "v1",
+        [ValidateNotNullOrEmpty()]
+        [string]$body,
+        [ValidateNotNullOrEmpty()]
+        [string]$contentType = "application/json",
+        [PSCredential]$credential,
+        [switch]$returnHeaders
+    )
+    $callerErrorActionPreference = $ErrorActionPreference
+    # If the ZVM server and Port not defined, Stop Call
+    if ( -not ((Test-Path variable:script:zvmServer) -and (Test-Path variable:script:zvmPort)) ) {
+        Throw "Zerto Connection does not Exist. Please run Connect-ZertoServer first to establish a connection"
+    }
+
+    # If the Headers exist and the Last action was more than 30 minutes ago, Session is Expired
+    if ( (Test-Path variable:script:zvmHeaders) -and $([datetime]$script:zvmLastAction).addMinutes(30) -lt $(get-date) ) {
+        Throw "Authorization Token has Expired. Please re-authorize to the Zerto Virtual Manager"
+    } else {
+
+        # Build the URI to be submitted
+        $submittedURI = "https://{0}:{1}/{2}/{3}" -f $script:zvmServer, $script:zvmPort, $apiVersion, $uri
+        try {
+            # Set the zvmLastAction time and try to submit the REST Request
+            $script:zvmLastAction = (get-date).Ticks
+            # If running PwSh - Use this Invoke-RestMethod with passed Variables
+            if ($PSVersionTable.PSVersion.Major -ge 6) {
+                $apiRequestResults = Invoke-RestMethod -Uri $submittedURI -Headers $script:zvmHeaders -Method $method -Body $body -ContentType $contentType -Credential $credential -SkipCertificateCheck -ResponseHeadersVariable responseHeaders -TimeoutSec 100
+            } else {
+                # If running PowerShell 5.1 --> Do the Following
+                # Check to see if All Certs are Trusted. If not, Create the Policy to Trust All Certificates
+                if ([System.Net.ServicePointManager]::CertificatePolicy.GetType().Name -ne "TrustAllCertsPolicy") {
+                    Try {
+                        $type = @'
+using System.Net;
+using System.Security.Cryptography.X509Certificates;
+public class TrustAllCertsPolicy : ICertificatePolicy {
+    public bool CheckValidationResult( ServicePoint srvPoint, X509Certificate certificate, WebRequest request, int certificateProblem) {
+        return true;
+    }
+}
+'@
+                        Add-Type -TypeDefinition $type -ErrorAction SilentlyContinue
+                    } Catch {
+                        if ($error[0].Exception -ne "Cannot add type. The type name 'TrustAllCertsPolicy already exists.") {
+                            Write-Debug $error[0]
+                        }
+                    }
+                    [System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
+
+                }
+                # If we are authenticating to the ZVM, Use this block to use Invoke-WebRequest and format the Headers as expected.
+                if ($uri -eq "session/add" -and $method -eq "POST") {
+                    $apiRequestResults = Invoke-WebRequest -Uri $submittedURI -Headers $script:zvmHeaders -Method $method -Body $body -ContentType $contentType -Credential $credential -TimeoutSec 100
+                    $responseHeaders = @{ }
+                    $responseHeaders['x-zerto-session'] = @($apiRequestResults.Headers['x-zerto-session'])
+                } elseif ($method -ne "GET") {
+                    # If the Method is something other than 'GET' use this call with a body parameter
+                    $apiRequestResults = Invoke-RestMethod -Uri $submittedURI -Headers $script:zvmHeaders -Method $method -Body $body -ContentType $contentType -Credential $credential -TimeoutSec 100
+                } else {
+                    # If the Method we are calling is 'GET' use this call without a body parameter
+                    $apiRequestResults = Invoke-RestMethod -Uri $submittedURI -Headers $script:zvmHeaders -Method $method -ContentType $contentType -Credential $credential -TimeoutSec 100
+                }
+            }
+        } catch {
+            # If an error is encountered, Catch
+            Write-Error -ErrorRecord $_ -ErrorAction $callerErrorActionPreference
+        }
+
+        # If the calling function does not need the headers (Default Action) return the results of the API Call
+        if (-not $returnHeaders) {
+            return $apiRequestResults
+        } else {
+            #If Headers are required, build a PS Custom Object with the Results and the Headers
+            $apiRequestAndHeaderResults = New-Object -TypeName psobject
+            $apiRequestAndHeaderResults | Add-Member -MemberType NoteProperty -Name "apiRequestResults" -Value $apiRequestResults
+            $apiRequestAndHeaderResults | Add-Member -MemberType NoteProperty -Name "Headers" -Value $responseHeaders
+            return $apiRequestAndHeaderResults
+        }
+    }
+}