Private/Invoke-WebContent.ps1
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Function Invoke-WebContent { <# .SYNOPSIS Return content from Invoke-WebRequest. #> [OutputType([Microsoft.PowerShell.Commands.WebResponseObject])] [CmdletBinding()] Param( [Parameter(Mandatory = $True, Position = 0)] [ValidateNotNullOrEmpty()] [System.String] $Uri, [Parameter(Position = 1)] [ValidateNotNullOrEmpty()] [System.String] $ContentType, [Parameter(Position = 2)] [ValidateNotNullOrEmpty()] [System.Collections.Hashtable] $Headers, [Parameter(Position = 3)] [ValidateNotNullOrEmpty()] [System.String] $UserAgent = [Microsoft.PowerShell.Commands.PSUserAgent]::Chrome, [Parameter()] [System.Management.Automation.SwitchParameter] $Raw, [Parameter()] [System.Management.Automation.SwitchParameter] $TrustCertificate ) # Use TLS 1.2 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 Write-Verbose -Message "$($MyInvocation.MyCommand): reading: $Uri." # Disable the Invoke-WebRequest progress bar for faster downloads If ($PSBoundParameters.ContainsKey('Verbose')) { $ProgressPreference = "Continue" } Else { $ProgressPreference = "SilentlyContinue" } # Set ErrorAction If ($script:resourceStrings.Preferences.ErrorAction) { $errorAction = $script:resourceStrings.Preferences.ErrorAction } Else { $errorAction = "SilentlyContinue" } If ($TrustCertificate.IsPresent) { If (Test-PSCore) { Write-Warning -Message "$($MyInvocation.MyCommand): Running PowerShell Core. Skipping System.Security.Cryptography.X509Certificates." } Else { Add-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; } } "@ [System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy } } try { If ($Raw.IsPresent) { $tempFile = New-TemporaryFile Write-Verbose -Message "$($MyInvocation.MyCommand): Using temp file $tempFile]." $iwrParams = @{ Uri = $Uri OutFile = $tempFile UserAgent = $UserAgent UseBasicParsing = $True ErrorAction = $errorAction } If ($ContentType.IsPresent) { $iwrParams.ContentType = $ContentType } If ($Headers.IsPresent) { $iwrParams.Headers = $Headers } $Response = Invoke-WebRequest @iwrParams $Content = Get-Content -Path $TempFile } Else { $iwrParams = @{ Uri = $Uri UserAgent = $UserAgent UseBasicParsing = $True ErrorAction = $errorAction } If ($ContentType.IsPresent) { $iwrParams.ContentType = $ContentType } If ($Headers.IsPresent) { $iwrParams.Headers = $Headers } $Response = Invoke-WebRequest @iwrParams $Content = $Response.Content } } catch [System.Net.WebException] { Write-Warning -Message "$($MyInvocation.MyCommand): Error at: $Uri." Write-Warning -Message ([string]::Format("Error : {0}", $_.Exception.Message)) } catch [System.Exception] { Write-Warning -Message "$($MyInvocation.MyCommand): Error at: $Uri." Write-Warning -Message "$($MyInvocation.MyCommand): failed to invoke request to: $Uri." } finally { Write-Verbose -Message "$($MyInvocation.MyCommand): Returning object of length [$($Content.Length)]." Write-Output -InputObject $Content } } |