/**
* Deprecated methods (to be removed)
*/
public static function unfold_flowed($text)
{
return rcube_mime::unfold_flowed($text);
}
/**
* Workhorse function that does actual conversion.
*
* @param string Plain text
*/
protected function _converter($text)
{
// make links and email-addresses clickable
$attribs = array('link_attribs' => array('rel' => 'noreferrer', 'target' => '_blank'));
$replacer = new $this->config['replacer']($attribs);
if ($this->config['flowed']) {
$flowed_char = 0x1;
$text = rcube_mime::unfold_flowed($text, chr($flowed_char));
}
// search for patterns like links and e-mail addresses and replace with tokens
if ($this->config['links']) {
$text = $replacer->replace($text);
}
// split body into single lines
$text = preg_split('/\\r?\\n/', $text);
$quote_level = 0;
$last = null;
// wrap quoted lines with <blockquote>
for ($n = 0, $cnt = count($text); $n < $cnt; $n++) {
$flowed = false;
if ($this->config['flowed'] && ord($text[$n][0]) == $flowed_char) {
$flowed = true;
$text[$n] = substr($text[$n], 1);
}
if ($text[$n][0] == '>' && preg_match('/^(>+ {0,1})+/', $text[$n], $regs)) {
$q = substr_count($regs[0], '>');
$text[$n] = substr($text[$n], strlen($regs[0]));
$text[$n] = $this->_convert_line($text[$n], $flowed || $this->config['wrap']);
$_length = strlen(str_replace(' ', '', $text[$n]));
if ($q > $quote_level) {
if ($last !== null) {
$text[$last] .= (!$length ? "\n" : '') . $replacer->get_replacement($replacer->add(str_repeat('<blockquote>', $q - $quote_level))) . $text[$n];
unset($text[$n]);
} else {
$text[$n] = $replacer->get_replacement($replacer->add(str_repeat('<blockquote>', $q - $quote_level))) . $text[$n];
$last = $n;
}
} else {
if ($q < $quote_level) {
$text[$last] .= (!$length ? "\n" : '') . $replacer->get_replacement($replacer->add(str_repeat('</blockquote>', $quote_level - $q))) . $text[$n];
unset($text[$n]);
} else {
$last = $n;
}
}
} else {
$text[$n] = $this->_convert_line($text[$n], $flowed || $this->config['wrap']);
$q = 0;
$_length = strlen(str_replace(' ', '', $text[$n]));
if ($quote_level > 0) {
$text[$last] .= (!$length ? "\n" : '') . $replacer->get_replacement($replacer->add(str_repeat('</blockquote>', $quote_level))) . $text[$n];
unset($text[$n]);
} else {
$last = $n;
}
}
$quote_level = $q;
$length = $_length;
}
if ($quote_level > 0) {
$text[$last] .= $replacer->get_replacement($replacer->add(str_repeat('</blockquote>', $quote_level)));
}
$text = join("\n", $text);
// colorize signature (up to <sig_max_lines> lines)
$len = strlen($text);
$sig_sep = "--" . $this->config['space'] . "\n";
$sig_max_lines = rcube::get_instance()->config->get('sig_max_lines', 15);
while (($sp = strrpos($text, $sig_sep, $sp ? -$len + $sp - 1 : 0)) !== false) {
if ($sp == 0 || $text[$sp - 1] == "\n") {
// do not touch blocks with more that X lines
if (substr_count($text, "\n", $sp) < $sig_max_lines) {
$text = substr($text, 0, max(0, $sp)) . '<span class="sig">' . substr($text, $sp) . '</span>';
}
break;
}
}
// insert url/mailto links and citation tags
$text = $replacer->resolve($text);
// replace line breaks
$text = str_replace("\n", $this->config['break'], $text);
return $this->config['begin'] . $text . $this->config['end'];
}
/**
* Test format=flowed unfolding (#1490284)
*/
function test_unfold_flowed2()
{
$flowed = "> culpa qui officia deserunt mollit anim id est laborum.\r\n" . "> \r\n" . "Sed ut perspiciatis unde omnis iste natus error \r\nsit voluptatem";
$unfolded = "> culpa qui officia deserunt mollit anim id est laborum.\r\n" . "> \r\n" . "Sed ut perspiciatis unde omnis iste natus error sit voluptatem";
$this->assertEquals($unfolded, rcube_mime::unfold_flowed($flowed), "Test correct unfolding of quoted lines [2]");
}
/**
* Test format=flowed unfolding
*/
function test_unfold_flowed()
{
$flowed = file_get_contents(TESTS_DIR . 'src/format-flowed.txt');
$unfolded = file_get_contents(TESTS_DIR . 'src/format-flowed-unfolded.txt');
$this->assertEquals($unfolded, rcube_mime::unfold_flowed($flowed), "Test correct unfolding of quoted lines");
}
/**
* Handler for message signing
*
* @param Mail_mime Original message
* @param int Encryption mode
*
* @return enigma_error On error returns error object
*/
function sign_message(&$message, $mode = null)
{
$mime = new enigma_mime_message($message, enigma_mime_message::PGP_SIGNED);
$from = $mime->getFromAddress();
// find private key
$key = $this->find_key($from, true);
if (empty($key)) {
return new enigma_error(enigma_error::KEYNOTFOUND);
}
// check if we have password for this key
$passwords = $this->get_passwords();
$pass = $passwords[$key->id];
if ($pass === null) {
// ask for password
$error = array('missing' => array($key->id => $key->name));
return new enigma_error(enigma_error::BADPASS, '', $error);
}
$key->password = $pass;
// select mode
switch ($mode) {
case self::SIGN_MODE_BODY:
$pgp_mode = Crypt_GPG::SIGN_MODE_CLEAR;
break;
case self::SIGN_MODE_MIME:
$pgp_mode = Crypt_GPG::SIGN_MODE_DETACHED;
break;
/*
case self::SIGN_MODE_SEPARATE:
$pgp_mode = Crypt_GPG::SIGN_MODE_NORMAL;
break;
*/
/*
case self::SIGN_MODE_SEPARATE:
$pgp_mode = Crypt_GPG::SIGN_MODE_NORMAL;
break;
*/
default:
if ($mime->isMultipart()) {
$pgp_mode = Crypt_GPG::SIGN_MODE_DETACHED;
} else {
$pgp_mode = Crypt_GPG::SIGN_MODE_CLEAR;
}
}
// get message body
if ($pgp_mode == Crypt_GPG::SIGN_MODE_CLEAR) {
// in this mode we'll replace text part
// with the one containing signature
$body = $message->getTXTBody();
$text_charset = $message->getParam('text_charset');
$line_length = $this->rc->config->get('line_length', 72);
// We can't use format=flowed for signed messages
if (strpos($text_charset, 'format=flowed')) {
list($charset, $params) = explode(';', $text_charset);
$body = rcube_mime::unfold_flowed($body);
$body = rcube_mime::wordwrap($body, $line_length, "\r\n", false, $charset);
$text_charset = str_replace(";\r\n format=flowed", '', $text_charset);
}
} else {
// here we'll build PGP/MIME message
$body = $mime->getOrigBody();
}
// sign the body
$result = $this->pgp_sign($body, $key, $pgp_mode);
if ($result !== true) {
if ($result->getCode() == enigma_error::BADPASS) {
// ask for password
$error = array('bad' => array($key->id => $key->name));
return new enigma_error(enigma_error::BADPASS, '', $error);
}
return $result;
}
// replace message body
if ($pgp_mode == Crypt_GPG::SIGN_MODE_CLEAR) {
$message->setTXTBody($body);
$message->setParam('text_charset', $text_charset);
} else {
$mime->addPGPSignature($body);
$message = $mime;
}
}