roundcubemail/plugins/enigma/lib/enigma_mime_message.php
protected function contentHeaders()
    {
        $this->checkParams();

        $eol = $this->build_params['eol'] ?: "\r\n";

        // multipart message: and boundary
        if (!empty($this->build_params['boundary'])) {
            $boundary = $this->build_params['boundary'];
        }
        else if (!empty($this->headers['Content-Type'])
            && preg_match('/boundary="([^"]+)"/', $this->headers['Content-Type'], $m)
        ) {
            $boundary = $m[1];
        }
        else {
            $boundary = '=_' . md5(rand() . microtime());
        }

        $this->build_params['boundary'] = $boundary;

        if ($this->type == self::PGP_SIGNED) {
            $headers['Content-Type'] = "multipart/signed;$eol"
                ." protocol=\"application/pgp-signature\";$eol"
                ." boundary=\"$boundary\"";

            if ($this->micalg) {
                $headers['Content-Type'] .= ";{$eol} micalg=pgp-" . $this->micalg;
            }
        }
        else if ($this->type == self::PGP_ENCRYPTED) {
            $headers['Content-Type'] = "multipart/encrypted;$eol"
                ." protocol=\"application/pgp-encrypted\";$eol"
                ." boundary=\"$boundary\"";
        }

        return $headers;
    }
protected function contentHeaders()
    {
        $this->checkParams();

        $eol = $this->build_params['eol'] ?: "\r\n";

        // multipart message: and boundary
        if (!empty($this->build_params['boundary'])) {
            $boundary = $this->build_params['boundary'];
        }
        else if (!empty($this->headers['Content-Type'])
            && preg_match('/boundary="([^"]+)"/', $this->headers['Content-Type'], $m)
        ) {
            $boundary = $m[1];
        }
        else {
            $boundary = '=_' . md5(rand() . microtime());
        }

        $this->build_params['boundary'] = $boundary;

        if ($this->type == self::PGP_SIGNED) {
            $headers['Content-Type'] = "multipart/signed;$eol"
                ." protocol=\"application/pgp-signature\";$eol"
                ." boundary=\"$boundary\"";

            if ($this->micalg) {
                $headers['Content-Type'] .= ";{$eol} micalg=pgp-" . $this->micalg;
            }
        }
        else if ($this->type == self::PGP_ENCRYPTED) {
            $headers['Content-Type'] = "multipart/encrypted;$eol"
                ." protocol=\"application/pgp-encrypted\";$eol"
                ." boundary=\"$boundary\"";
        }

        return $headers;
    }
protected function contentHeaders ( ) { $ this -> checkParams ( ) ; $ eol = $ this -> build_params [ 'eol' ] ? : "\r\n" ; // multipart message: and boundary if ( ! empty ( $ this -> build_params [ 'boundary' ] ) ) { $ boundary = $ this -> build_params [ 'boundary' ] ; } else if ( ! empty ( $ this -> headers [ 'Content-Type' ] ) && preg_match ( '/boundary="([^"]+)"/' , $ this -> headers [ 'Content-Type' ] , $ m ) ) { $ boundary = $ m [ 1 ] ; } else { $ boundary = '=_' . md5 ( rand ( ) . microtime ( ) ) ; } $ this -> build_params [ 'boundary' ] = $ boundary ; if ( $ this -> type == self :: PGP_SIGNED ) { $ headers [ 'Content-Type' ] = "multipart/signed;$eol" . " protocol=\"application/pgp-signature\";$eol" . " boundary=\"$boundary\"" ; if ( $ this -> micalg ) { $ headers [ 'Content-Type' ] .= ";{$eol} micalg=pgp-" . $ this -> micalg ; } } else if ( $ this -> type == self :: PGP_ENCRYPTED ) { $ headers [ 'Content-Type' ] = "multipart/encrypted;$eol" . " protocol=\"application/pgp-encrypted\";$eol" . " boundary=\"$boundary\"" ; } return $ headers ; }
Get Content-Type and Content-Transfer-Encoding headers of the message

@return array Headers array
Get Content - Type and Content - Transfer - Encoding headers of the message