README

Cryptographic support for zbateson/mail-mime-parser -- provides base classes and interfaces for encryption, decryption, signing, and verification of MIME email messages.

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composer require zbateson/mmp-crypt

Sponsors

👁 SecuMailer

A huge thank you to all my sponsors. <3

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Requirements

PHP 8.1 or newer, and zbateson/mail-mime-parser 4.x.

Description

This is the base package for mail-mime-parser's cryptographic plugin system. It provides:

• IMimeCrypt -- interface for encryption/decryption/signing/verification implementations
• AbstractMimeCrypt -- base class implementing IMimeCrypt with stream handling
• EncryptedMessage / EncryptedMimePart -- message/part classes that transparently expose decrypted content via getStream(), with getEncryptedStream() for accessing the original encrypted data

On its own, this package doesn't perform any cryptographic operations. Install an implementation package:

• zbateson/mmp-crypt-smime -- S/MIME via PHP's OpenSSL extension
• zbateson/mmp-crypt-gpg -- PGP/MIME via the PECL gnupg extension

Usage

use ZBateson\MailMimeParser\Message;

// Parsing an encrypted message automatically uses the registered
// IMimeCrypt implementation to decrypt it.
$message = Message::from($rawEmail, false);

// If the message was encrypted, it will be an EncryptedMessage instance.
// getStream() / getTextContent() / etc. return decrypted content by default.
echo $message->getTextContent();

// Access the original encrypted stream if needed
if ($message instanceof \ZBateson\MmpCrypt\EncryptedMessage) {
 $encryptedStream = $message->getEncryptedStream();
}

License

BSD licensed - please see license agreement.