PowerShell

Set a MIME Body from Transfer-Encoded Text

Demonstrates the Chilkat Mime.SetBodyFromEncoded method, which sets the body from already transfer-encoded text. The first argument is the encoding (base64 or quoted-printable) and the second is the encoded text.

Background: Sometimes you already hold content in its encoded form — a Base64 string from a database or another API — and re-decoding just to have Chilkat re-encode it is wasteful. This method stores the encoded text as-is and records the matching transfer encoding, so the body is correct without a needless round trip. Only the standard reversible encodings, Base64 and quoted-printable, are accepted.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

#  Demonstrates the Mime.SetBodyFromEncoded method, which sets the body from already transfer-
#  encoded text.  The 1st argument is the encoding ("base64" or "quoted-printable") and the 2nd is
#  the encoded text.

$mime = New-Object Chilkat.Mime

$mime.ContentType = "text/plain"

#  The body is provided already Base64-encoded; Chilkat stores it without re-encoding.
$base64Body = "SGVsbG8sIHRoaXMgaXMgdGhlIGJvZHku"
$success = $mime.SetBodyFromEncoded("base64",$base64Body)
if ($success -eq $false) {
    $($mime.LastErrorText)
    exit
}

#  The decoded body is the original text.
$decoded = $mime.GetBodyDecoded()
if ($mime.LastMethodSuccess -eq $false) {
    $($mime.LastErrorText)
    exit
}

$($decoded)