Classes/MimeMapping.ps1
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<#
.SYNOPSIS A class to map file extensions to MIME types. .DESCRIPTION The MimeMapping class provides functionality to determine the MIME type of a file based on its extension. This class is created as an alternative to System.Web.MimeMapping, which does not work in PowerShell 7.x. .EXAMPLE $mimeType = [MimeMapping]::GetMimeType("example.txt") # Returns: "text/plain" .EXAMPLE $mimeType = [MimeMapping]::GetMimeType("unknown.xyz") # Returns: "application/octet-stream" .INPUTS .OUTPUTS System.String #> class MimeMapping { # Created this class to map file extensions to MIME types as System.Web.MimeMapping does not work in PowerShell 7.x static [string] GetMimeType([string]$path) { $extension = [System.IO.Path]::GetExtension($path).ToLower() if ([string]::IsNullOrEmpty($extension)) { return "application/octet-stream" } # Get the MIME type for the file extension try { $reg_key = [Microsoft.Win32.Registry]::ClassesRoot.OpenSubKey($extension) # If the registry key is found, return the MIME type if ($reg_key -and $reg_key.GetValue("Content Type")) { return $reg_key.GetValue("Content Type").ToString() } } catch { Write-Verbose "Error getting MIME type for $($extension): $_" } # If the MIME type is not found, return the default MIME type return "application/octet-stream" } } |