function banana_quote($line, $level, $mark = '>')
{
$lines = explode("\n", $line);
+ $quote = str_repeat($mark, $level);
foreach ($lines as &$line) {
- if ($level > 0 && substr($line, 0, strlen($mark)) != $mark) {
- $line = ' ' . $line;
- }
- for ($i = 0 ; $i < $level ; $i++) {
- $line = $mark . $line;
- }
+ $line = $quote . ' ' . $line;
}
return implode("\n", $lines);
}
$line = banana_removeQuotes($line, $level);
while (banana_isFlowed($line)) {
$lvl = 0;
- if (is_null($nl = array_shift($lines))) {
+ if (empty($lines)) {
break;
}
+ $nl = $lines[0];
$nl = banana_removeQuotes($nl, $lvl);
- $line .= $nl;
+ if ($lvl == $level) {
+ $line .= $nl;
+ array_shift($lines);
+ } else {
+ break;
+ }
}
$text .= banana_quote($line, $level) . "\n";
}
return $text;
}
-function banana_wordwrap($text, $quote_level)
+function banana_wordwrap($text, $quote_level = 0)
{
if ($quote_level > 0) {
- $length = Banana::$wrap - $quote_level - 1;
+ $length = Banana::$msgshow_wrap - $quote_level - 1;
return banana_quote(wordwrap($text, $length), $quote_level);
-
}
- return wordwrap($text, Banana::$wrap);
+ return wordwrap($text, Banana::$msgshow_wrap);
}
function banana_catchFormats($text)
{
- $formatting = Array('/' => 'em', // match / first in order not to match closing markups </...> <> </>
- '_' => 'u',
- '*' => 'strong');
- $url = Banana::$url_regexp;
- preg_match_all("/$url/i", $text, $urls);
- $text = str_replace($urls[0], "&&&urls&&&", $text);
- foreach ($formatting as $limit=>$mark) {
- $limit = preg_quote($limit, '/');
- $text = preg_replace("/$limit\\b(.*?)\\b$limit/s",
+ $formatting = Array('em' => array('\B\/\b', '\b\/\B'),
+ 'u' => array('\b_', '_\b'),
+ 'strong' => array('\B\*\b', '\b\*\B'));
+ $url = Banana::$msgshow_url;
+ preg_match_all("/$url/ui", $text, $urls);
+ $urls = $urls[0];
+ $replace = $urls;
+ rsort($replace);
+ $text = str_replace($replace, "&&&urls&&&", $text);
+ foreach ($formatting as $mark=>$limit) {
+ list($ll, $lr) = $limit;
+ $text = preg_replace('/' . $ll . '(\w+?)' . $lr . '/us',
"<$mark>\\1</$mark>", $text);
}
- return preg_replace('/&&&urls&&&/e', 'array_shift($urls[0])', $text);
+ return preg_replace('/&&&urls&&&/e', 'array_shift($urls)', $text);
+}
+
+/** Build a flowed text from plain text
+ */
+function banana_flow($text)
+{
+ $lines = explode("\n", $text);
+ $text = '';
+ while (!is_null($line = array_shift($lines))) {
+ if ($line != '-- ') {
+ $level = 0;
+ $line = banana_removeQuotes($line, $level);
+ $text .= rtrim(str_replace("\n", " \n", banana_wordwrap($line, $level))) . "\n";
+ } else {
+ $text .= $line . "\n";
+ }
+ }
+ return $text;
}
// {{{ URL Catcher tools
function banana__cutlink($link)
{
$link = banana_html_entity_decode($link, ENT_QUOTES);
- if (strlen($link) > Banana::$wrap) {
- $link = substr($link, 0, Banana::$wrap - 3) . "...";
+ if (strlen($link) > Banana::$msgshow_wrap) {
+ $link = substr($link, 0, Banana::$msgshow_wrap - 3) . "...";
}
return banana_htmlentities($link, ENT_QUOTES);
}
$mid = '<' . $email . '>';
if (isset(Banana::$spool->ids[$mid])) {
return Banana::$page->makeLink(Array('group' => Banana::$group,
- 'artid' => Banana::$spool->ids[$mid],
+ 'artid' => Banana::$spool->ids[$mid]->id,
'text' => $email));
} elseif (strpos($email, '$') !== false) {
return $email;
function banana_catchURLs($text)
{
- $url = Banana::$url_regexp;
+ $url = Banana::$msgshow_url;
$res = preg_replace("/&(lt|gt|quot);/", " &\\1; ", $text);
- $res = preg_replace("/$url/ie", "'\\1'.banana__cleanurl('\\2').'\\3'", $res);
+ $res = preg_replace("/$url/uie", "'\\1'.banana__cleanurl('\\2').'\\3'", $res);
$res = preg_replace('/(["\[])?(?:mailto:|news:)?([a-z0-9.\-+_\$]+@([\-.+_]?[a-z0-9])+)(["\]])?/ie',
"'\\1' . banana__catchMailLink('\\2') . '\\4'",
$res);
$text = banana_catchURLs($text);
$text = banana_catchQuotes($text, $strict);
$text = banana_catchSignature($text);
- return banana_cleanHtml('<pre>' . $text . '</pre>');
+ return '<pre>' . $text . '</pre>';
}
function banana_wrap($text, $base_level = 0, $strict = true)
while (!is_null($line = array_shift($lines))) {
$lvl = 0;
$line = banana_removeQuotes($line, $lvl, $strict);
- if($lvl != $level && !empty($buffer)) {
- $text .= banana_wordwrap(implode("\n", $buffer), $level + $base_level) . "\n";
+ if($lvl != $level) {
+ if (!empty($buffer)) {
+ $text .= banana_wordwrap(implode("\n", $buffer), $level + $base_level) . "\n";
+ $buffer = array();
+ }
$level = $lvl;
- $buffer = array();
}
$buffer[] = $line;
}
return $text;
}
-function banana_formatPlainText(BananaMimePart &$part, $base_level = 0)
+function banana_formatPlainText(BananaMimePart $part, $base_level = 0)
{
$text = $part->getText();
if ($part->isFlowed()) {
$text = banana_unflowed($text);
}
- $text = banana_wrap($text, $base_level, $part->isFlowed());
- return banana_plainTextToHtml($text, $part->isFlowed());
+ if (function_exists('hook_formatPart') && ($ret = hook_formatPart($text, $part, $base_level))) {
+ return $ret;
+ } else {
+ $text = banana_wrap($text, $base_level, $part->isFlowed());
+ return banana_plainTextToHtml($text, $part->isFlowed());
+ }
}
-function banana_quotePlainText(BananaMimePart &$part)
+function banana_quotePlainText(BananaMimePart $part)
{
$text = $part->getText();
if ($part->isFlowed()) {
$text = banana_unflowed($text);
}
- return banana_wrap($text, 1);
+ return banana_quote($text, 1);
}
// }}}
$stripAttrib = 'javascript:|onclick|ondblclick|onmousedown|onmouseup|onmouseover|'.
'onmousemove|onmouseout|onkeypress|onkeydown|onkeyup';
return stripslashes(preg_replace("/$stripAttrib/i", '', $tagSource));
-}
-
+}
+
+function banana_cleanStyles($tag, $attributes)
+{
+ static $td_style, $conv, $size_conv;
+ if (!isset($td_style)) {
+ $conv = array('style' => 'style', 'width' => 'width', 'height' => 'height', 'border' => 'border-size',
+ 'size' => 'font-size', 'align' => 'text-align', 'valign' => 'vertical-align', 'face' => 'font',
+ 'bgcolor' => 'background-color', 'color' => 'color', 'style' => 'style',
+ 'cellpadding' => 'padding', 'cellspacing' => 'border-spacing');
+ $size_conv = array(1 => 'xx-small', 2 => 'x-small', 3 => 'small', 4 => 'medium', 5 => 'large',
+ 6 => 'x-large', 7 => 'xx-large',
+ '-2' => 'xx-small', '-1' => 'x-small', '+1' => 'medium', '+2' => 'large',
+ '+3' => 'x-large', '+4' => 'xx-large');
+ $td_style = array();
+ }
+ if ($tag == 'table') {
+ array_unshift($td_style, '');
+ }
+ if ($tag == '/table') {
+ array_shift($td_style);
+ }
+ if ($tag{0} == '/') {
+ return '';
+ }
+ if ($tag == 'td') {
+ $style = $td_style[0];
+ } else {
+ $style = '';
+ }
+ $attributes = str_replace(array("\n", "\r"), ' ', stripslashes($attributes));
+ $attributes = str_replace(array('= "', '= \''), array('="', '=\''), $attributes);
+ foreach ($conv as $att=>$stl) {
+ $pattern = '/\b' . preg_quote($att, '/') . '=([\'"])?(.+?)(?(1)\1|(?:$| ))/i';
+ if (preg_match($pattern, $attributes, $matches)) {
+ $attributes = preg_replace($pattern, '', $attributes);
+ $val = $matches[2];
+ if ($att == 'cellspacing' && strpos($style, 'border-collapse') === false) {
+ $style = "border-collapse: separate; border-spacing: $val $val; " . $style;
+ } elseif ($att == 'cellpadding' && $tag == 'table') {
+ $td_style[0] = "$stl: {$val}px; ";
+ } elseif ($att == 'style') {
+ $val = rtrim($val, ' ;');
+ $style .= "$val; ";
+ } elseif ($att == 'size') {
+ $val = $size_conv[$val];
+ $style = "$stl: $val; " . $style;
+ } elseif (is_numeric($val)) {
+ $style = "$stl: {$val}px; " . $style;
+ } else {
+ $style = "$stl: $val; " . $style;
+ }
+ }
+ }
+ if (!empty($style)) {
+ $style = 'style="' . $style . '" ';
+ }
+ return ' ' . $style . trim($attributes);
+}
+
+function banana__filterCss($text)
+{
+ $text = preg_replace("/(,[\s\n\r]*)/s", '\1 .banana .message .body .html ', $text);
+ return '.banana .message .body .html ' . $text;
+}
+
+function banana_filterCss($css)
+{
+ preg_match_all("/(^|\n|,\s*)\s*([\#\.@\w][^;\{\}\<]*?[\{])/s", $css, $matches);
+ $css = preg_replace("/(^|\n)\s*([\#\.@\w][^;\{\}\<]*?)([\{])/se", '"\1" . banana__filterCss("\2") . "\3"', $css);
+ $css = preg_replace('/ body\b/i', '', $css);
+ if (!Banana::$msgshow_externalimages) {
+ if (preg_match('!url\([^:\)]+:(//|\\\).*?\)!i', $css)) {
+ $css = preg_replace('!url\([^:\)]+:(//|\\\).*?\)!i', 'url(invalid-image.png)', $css);
+ Banana::$msgshow_hasextimages = true;
+ }
+ }
+ return $css;
+}
+
/**
* @return string
* @param string
* @desc Strip forbidden tags and delegate tag-source check to removeEvilAttributes()
*/
-function banana_cleanHtml($source)
+function banana_cleanHtml($source, $to_xhtml = false)
{
- $allowedTags = '<h1><b><i><a><ul><li><pre><hr><blockquote><img><br><font><div>'
- . '<p><small><big><sup><sub><code><em><strong><table><tr><td><th>';
- $source = strip_tags($source, $allowedTags);
- $source = preg_replace('/<(.*?)>/ie', "'<'.banana_removeEvilAttributes('\\1').'>'", $source);
-
if (function_exists('tidy_repair_string')) {
- $tidy_on = Array(
- 'drop-empty-paras', 'drop-proprietary-attributes',
- 'hide-comments', 'logical-emphasis', 'output-xhtml',
- 'replace-color', 'show-body-only'
- );
- $tidy_off = Array('join-classes', 'clean'); // 'clean' may be a good idea, but it is too aggressive
-
- foreach($tidy_on as $opt) {
- tidy_setopt($opt, true);
+ $tidy_config = array('drop-empty-paras' => true,
+ 'drop-proprietary-attributes' => true,
+ 'hide-comments' => true,
+ 'logical-emphasis' => true,
+ 'output-xhtml' => true,
+ 'replace-color' => true,
+ 'join-classes' => false,
+ 'clean' => false,
+ 'show-body-only' => false,
+ 'alt-text' => '[ inserted by TIDY ]',
+ 'wrap' => 120);
+ if (function_exists('tidy_setopt')) { // Tidy 1.0
+ foreach ($tidy_config as $field=>$value) {
+ tidy_setopt($field, $value);
+ }
+ tidy_set_encoding('utf8');
+ $source = tidy_repair_string($source);
+
+ } else { // Tidy 2.0
+ $source = tidy_repair_string($source, $tidy_config, 'utf8');
}
- foreach($tidy_off as $opt) {
- tidy_setopt($opt, false);
+ }
+
+ // To XHTML
+ if ($to_xhtml) {
+ // catch inline CSS
+ $css = null;
+ if (preg_match('/<head.*?>(.*?)<\/head>/is', $source, $matches)) {
+ $source = preg_replace('/<head.*?>.*?<\/head>/is', '', $source);
+ preg_match_all('/<style(?:.*?type="text\/css".*?)?>(.*?)<\/style>/is', $matches[1], $matches);
+ foreach ($matches[1] as &$match) {
+ $css .= $match;
+ }
+ $css = banana_filterCss($css);
+ Banana::$page->addCssInline($css);
}
- tidy_setopt('alt-text', '[ inserted by TIDY ]');
- tidy_setopt('wrap', '120');
- tidy_set_encoding('utf8');
- return tidy_repair_string($source);
+
+ // clean DTD
+ $source = str_replace('<font', '<span', $source);
+ $source = preg_replace('/<u\b/', '<span style="text-decoration: underline"', $source);
+ $source = preg_replace('/<\/(font|u)>/', '</span>', $source);
+ $source = str_replace('<body', $css ? '<div class="html"' : '<div class="html default"', $source);
+ $source = str_replace('</body>', '</div>', $source);
}
- return $source;
+ $allowedTags = '<h1><h2><h3><b><i><a><ul><li><pre><hr><blockquote><img><br><div><span>'
+ . '<p><small><big><sup><sub><code><em><strong><table><tr><td><th>';
+ $source = strip_tags($source, $allowedTags);
+
+ // Use inlined style instead of old html attributes
+ if ($to_xhtml) {
+ $source = preg_replace('/<(\/?\w+)(.*?)(\/?>)/muise', "'<\\1' . banana_cleanStyles('\\1', '\\2') . '\\3'", $source);
+ }
+ return preg_replace('/<(.*?)>/ie', "'<'.banana_removeEvilAttributes('\\1').'>'", $source);
}
function banana_catchHtmlSignature($res)
function banana_hideExternalImages($text)
{
- return preg_replace("/<img[^>]*?src=['\"](?!cid).*?>/i",
- Banana::$page->makeImg(array('img' => 'invalid')),
- $text);
+ if (preg_match("/<img([^>]*?)src=['\"](?!cid).*?['\"](.*?)>/i", $text)) {
+ Banana::$msgshow_hasextimages = true;
+ return preg_replace("/<img([^>]*?)src=['\"](?!cid).*?['\"](.*?)>/i",
+ '<img\1src="invalid"\2>',
+ $text);
+ }
+ return $text;
}
function banana_catchPartLinks($text)
{
- return preg_replace('/cid:([^\'" ]+)/e', "banana__linkAttachment('\\1')", $text);
+ $article = Banana::$page->makeURL(array('group' => Banana::$group, 'artid' => Banana::$artid, 'part' => Banana::$part));
+ $article = banana_htmlentities($article);
+ $text = preg_replace('/cid:([^\'" ]+)/e', "banana__linkAttachment('\\1')", $text);
+ $text = preg_replace('/href="(#.*?)"/i', 'href="' . $article . '\1"', $text);
+ return $text;
}
// {{{ HTML to Plain Text tools
$res = trim(strip_tags($res, '<div><br><p><blockquote>'));
$res = preg_replace("@</?(br|p|div).*?>@si", "\n", $res);
$res = banana__convertQuotes($res);
- return banana_html_entity_decode($res);
+ return banana_html_entity_decode($res);
}
-function banana_formatHtml(BananaMimePart &$part)
+function banana_formatHtml(BananaMimePart $part)
{
$text = $part->getText();
$text = banana_catchHtmlSignature($text);
- $text = banana_hideExternalImages($text);
+ if (!Banana::$msgshow_externalimages) {
+ $text = banana_hideExternalImages($text);
+ }
$text = banana_catchPartLinks($text);
- return banana_cleanHtml($text);
+ return banana_cleanHtml($text, true);
}
-function banana_quoteHtml(BananaMimePart &$part)
+function banana_quoteHtml(BananaMimePart $part)
{
$text = $part->getText();
$text = banana_htmlToPlainText($text);
- return banana_wrap($text, 1);
+ return banana_quote($text, 1);
}
// }}}
return banana_cleanHtml($source);
}
-function banana_formatRichText(BananaMimePart &$part)
+function banana_formatRichText(BananaMimePart $part)
{
$text = $part->getText();
$text = banana_richtextToHtml($text);
return banana_cleanHtml($text);
}
+function banana_quoteRichtText(BananaMimePart $part)
+{
+ $text = $part->getText();
+ $text = banana_richtextToHtml($text);
+ $text = banana_htmlToPlainText($text);
+ return banana_quote($text, 1);
+}
+
// }}}
-// vim:set et sw=4 sts=4 ts=4:
+// vim:set et sw=4 sts=4 ts=4 fenc=utf-8:
?>
projects / banana.git / blobdiff