2024-10-01 15:11:03 +02:00
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<#
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2024-01-15 10:52:40 +01:00
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.SYNOPSIS
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Checks credentials
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.DESCRIPTION
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This PowerShell script asks for credentials and checks them against saved ones ("$HOME\my.credentials" by default).
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.PARAMETER TargetFile
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Specifies the target file ("$HOME\my.credentials" by default)
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.EXAMPLE
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PS> ./check-credentials.ps1
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Enter username and password, please.
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2024-10-01 13:37:53 +02:00
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✅ Your credentials are correct.
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2024-01-15 10:52:40 +01:00
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([string]$TargetFile = "$HOME\my.credentials")
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try {
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Write-Host "Enter username and password, please." -foreground red
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$credsFromUser = Get-Credential
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$secureString = Get-Content "$TargetFile" | ConvertTo-SecureString
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$credsFromFile = New-Object System.Management.Automation.PSCredential($credsFromUser.UserName, $secureString)
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if ($credsFromUser.UserName -ne $credsFromFile.UserName) { throw "Sorry, your username is wrong." }
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$pw1 = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($credsFromUser.Password))
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$pw2 = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($credsFromFile.Password))
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if ($pw1 -cne $pw2) { throw "Sorry, your password is wrong." }
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2024-10-01 13:37:53 +02:00
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"✅ Your credentials are correct."
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2024-01-15 10:52:40 +01:00
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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