Private/Authorization/Get-Jwt.ps1
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function Get-Jwt { <# .SYNOPSIS Retrieves the JWT from the API .DESCRIPTION Logs into the API Token endpoint and gets the JWT using the oauth credentials .INPUTS None. This does not accept pipeline input. .OUTPUTS token & expiration of token .NOTES This function is only meant for use within other Nexthink functions. #> [CmdletBinding()] param () $uri = $CONFIG._API.BASE + $API_PATHS.OAUTH # Invoke-WebRequests usually displays a progress bar. The $ProgressPreference variable determines whether this is displayed (default value = Continue) $ProgressPreference = 'SilentlyContinue' try { $credentials = Get-ClientCredentials -Target $CONFIG.NexthinkAPI.OAuthCredentialEntry $basicHeader = Get-StringAsBase64 -InputString "$($credentials.clientId):$($credentials.clientSecret)" $headers = $BASE_API.headers $headers.Authorization = "Basic " + $basicHeader $response = Invoke-WebRequest -Uri $uri -Method 'POST' -Headers $headers -UseBasicParsing if ($response.StatusCode -ne '200') { $message = "Error sending request to get the JWT token with status code: $($response.StatusCode)" Write-CustomLog -Message Write-CustomLog -Message "Unable to access $($uri) Endpoint. Details: $($_.Exception.Message)" -Severity 'ERROR' -Severity 'ERROR' throw $message } $parsedResponse = ConvertFrom-Json $([String]::new($response.Content)) $tokenDate = [DateTime]$response.Headers.Date Write-CustomLog -Message "Retrieved JWT: $parsedResponse" -Severity 'DEBUG' @{token = $parsedResponse.access_token; expires = $tokenDate.AddSeconds($parsedResponse.expires_in)} } catch [net.webexception], [io.ioexception] { $message = "Unable to access $($uri) Endpoint. Details: $($_.Exception.Message)" Write-CustomLog -Message $message -Severity 'ERROR' throw $message } catch { $message = "An error occurred that could not be resolved. Details: $($_.Exception.Message)" Write-CustomLog -Message $message -Severity 'ERROR' throw $message } $ProgressPreference = 'Continue' } |