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few fixes and new func IsURL

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This commit is contained in:
dyoder
2023-10-12 22:00:22 -04:00
parent 45b3b17ac7
commit 4e3b7e4683
1 changed files with 22 additions and 23 deletions
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Tools.ps1
+17 -18
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@@ -169,15 +169,15 @@ Function Get-Version {
# Determines whether a URL is valid # Determines whether a URL is valid
Function IsURLValid { Function IsURLValid {
param([Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$URL) param([Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$URL)
Try { Try { $status = [System.Net.WebRequest]::Create($URL).GetResponse().StatusCode }
$HTTPRequest = [System.Net.WebRequest]::Create($URL) Catch { Write-Error $_.Exception.Message ; Return $false }
$HTTPResponse = $HTTPRequest.GetResponse() If ( $status -eq 404 ) { Return $false }
$HTTPStatus = [int]$HTTPResponse.StatusCode Return $true
$HTTPResponse.Close()
} }
Catch { }
If ($HTTPStatus -ne 404) { Return $true } Function IsURL {
Else { Return $false } param([Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$Value)
Return $value -match "https?:\/\/"
} }
# Downloads a file from a URL # Downloads a file from a URL
@@ -186,21 +186,19 @@ Function Download-File {
[Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$URL, [Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$URL,
[Parameter(Mandatory=$false,ValueFromPipeline=$false)][string]$File [Parameter(Mandatory=$false,ValueFromPipeline=$false)][string]$File
) )
If ( !($File) ) { $File = '{0}{1}' -f (Get-TempPath), (Split-Path $URL -Leaf) } $URI = Get-AbsoluteURI -URL $URL
$URL = Get-AbsoluteURI -URL $URL If ( $null -eq $URI ) { Return }
If ( IsURLValid $URL ) { If ( [string]::IsNullOrEmpty($File) ) { $File = '{0}{1}' -f (Get-TempPath), (Split-Path $URL -Leaf) }
If ( Test-Path $File ) { If ( Test-Path $File ) {
Write-Output "Deleting existing file: ""${File}""" Write-Output "Deleting existing file: ""${File}"""
Try { Remove-Item $File -Force } Try { Remove-Item $File -Force }
Catch { Write-Error $_.Exception.Message } Catch { Write-Error $_.Exception.Message ; Return }
} }
Write-Output "Downloading ""${URL}"" to ""${File}""" Write-Output "Downloading ""${URI}"" to ""${File}"""
Try { (New-Object System.Net.WebClient).DownloadFile($URL,$File) } Try { (New-Object System.Net.WebClient).DownloadFile($URI,$File) }
Catch { Write-Error $_.Exception.Message } Catch { Write-Error $_.Exception.Message ; Return }
If ( Test-Path "${File}" ) { Return "${File}" } If ( Test-Path "${File}" ) { Return "${File}" }
Else { Write-Output "Downloaded file does not exist at ""${File}""" ; Return $false } Else { Write-Output "Downloaded file does not exist at ""${File}""" ; Return }
}
Else { Write-Output "URL is not valid or file cannot be reached: ${URL}" }
} }
# Install a program from a provided path # Install a program from a provided path
@@ -822,6 +820,7 @@ Function ZeroPad-Decimal {
# Function to follow a URL and return the absolute URI of the result (whether redirected or not) # Function to follow a URL and return the absolute URI of the result (whether redirected or not)
Function Get-AbsoluteURI { Function Get-AbsoluteURI {
param([string]$URL) param([string]$URL)
If ( !(IsURLValid $URL) ) { Return }
Return [System.Net.HttpWebRequest]::Create($URL).GetResponse().ResponseUri.AbsoluteUri Return [System.Net.HttpWebRequest]::Create($URL).GetResponse().ResponseUri.AbsoluteUri
} }