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some work in progress regarding the mailhandling in tracker, moving some stuff to translation class from bofelamimail to be commonly available

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This commit is contained in:
Klaus Leithoff 2009-09-04 13:40:10 +00:00
parent f85cb3c0d0
commit 7272217d14
1 changed files with 174 additions and 0 deletions
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174
phpgwapi/inc/class.translation.inc.php
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@ -988,4 +988,178 @@ class translation
// no decoding function available
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$_string);
}
/**
* replace emailaddresses enclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
* always returns 1
*/
static function replaceEmailAdresses(&$text)
{
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
$text = preg_replace("/(<|&lt;)(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)/ie","'$2'", $text);
return 1;
}
/*
* strip tags out of the message completely with their content
* param $_body is the text to be processed
* param $tag is the tagname which is to be removed. Note, that only the name of the tag is to be passed to the function
* without the enclosing brackets
* param $endtag can be different from tag but should be used only, if begin and endtag are known to be different e.g.: <!-- -->
*/
static function replaceTagsCompletley(&$_body,$tag,$endtag='')
{
if ($tag) $tag = strtolower($tag);
if ($endtag == '' || empty($endtag) || !isset($endtag))
{
$endtag = $tag;
} else {
$endtag = strtolower($endtag);
}
// strip tags out of the message completely with their content
$taglen=strlen($tag);
$endtaglen=strlen($endtag);
if ($_body) {
$_body = preg_replace('~<'.$tag.'[^>]*?>(.*)</'.$endtag.'>~sim','',$_body);
// remove left over tags, unfinished ones, and so on
$_body = preg_replace('~<'.$tag.'[^>]*?>~si','',$_body);
}
}
static function convertHTMLToText($_html,$displayCharset=false,$stripcrl=false)
{
if ($displayCharset === false) $displayCharset = self::$system_charset;
#error_log($_html);
#print '<hr>';
#print "<pre>"; print htmlspecialchars($_html);
#print "</pre>";
#print "<hr>";
self::replaceTagsCompletley($_html,'style');
$Rules = array ('@<script[^>]*?>.*?</script>@si', // Strip out javascript
'@&(quot|#34);@i', // Replace HTML entities
'@&(amp|#38);@i', // Ampersand &
'@&(lt|#60);@i', // Less Than <
'@&(gt|#62);@i', // Greater Than >
'@&(nbsp|#160);@i', // Non Breaking Space
'@&(iexcl|#161);@i', // Inverted Exclamation point
'@&(cent|#162);@i', // Cent
'@&(pound|#163);@i', // Pound
'@&(copy|#169);@i', // Copyright
'@&(reg|#174);@i', // Registered
);
$Replace = array ('',
'"',
'+',
'<',
'>',
' ',
chr(161),
chr(162),
chr(163),
chr(169),
chr(174),
);
$_html = preg_replace($Rules, $Replace, $_html);
// removing carriage return linefeeds
if ($stripcrl === true ) $_html = preg_replace('@(\r\n)@i',' ',$_html);
$tags = array (
0 => '~<h[123][^>]*>\r*\n*~si',
1 => '~<h[456][^>]*>\r*\n*~si',
2 => '~<table[^>]*>\r*\n*~si',
3 => '~<tr[^>]*>\r*\n*~si',
4 => '~<li[^>]*>\r*\n*~si',
5 => '~<br[^>]*>\r*\n*~si',
6 => '~<br[^>]*>~si',
7 => '~<p[^>]*>\r*\n*~si',
8 => '~<div[^>]*>\r*\n*~si',
9 => '~<hr[^>]*>\r*\n*~si',
10 => '/<blockquote type="cite">/',
);
$Replace = array (
0 => "\r\n",
1 => "\r\n",
2 => "\r\n",
3 => "\r\n",
4 => "\r\n",
5 => "\r\n",
6 => "\r\n",
7 => "\r\n",
8 => "\r\n",
9 => "\r\n__________________________________________________\r\n",
10 => '#blockquote#type#cite#',
);
$_html = preg_replace($tags,$Replace,$_html);
$_html = preg_replace('~</t(d|h)>\s*<t(d|h)[^>]*>~si',' - ',$_html);
$_html = preg_replace('~<img[^>]+>~s','',$_html);
//convert hrefs to description -> URL
$_html = preg_replace('~<a[^>]+href=\"([^"]+)\"[^>]*>(.*)</a>~si','[$2 -> $1]',$_html);
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
#$_html = strip_tags($_html);
// reducing spaces
$_html = preg_replace('~ +~s',' ',$_html);
// we dont reduce whitespace at the start or the end of the line, since its used for structuring the document
#$_html = preg_replace('~^\s+~m','',$_html);
#$_html = preg_replace('~\s+$~m','',$_html);
// restoring the preserved blockquote
$_html = preg_replace('~#blockquote#type#cite#~s','<blockquote type="cite">',$_html);
$_html = html_entity_decode($_html, ENT_COMPAT, $displayCharset);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
self::replaceEmailAdresses($_html);
#error_log($text);
$pos = strpos($_html, 'blockquote');
#error_log("convert HTML2Text");
if($pos === false) {
return $_html;
} else {
$indent = 0;
$indentString = '';
$quoteParts = preg_split('/<blockquote type="cite">/', $_html, -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts as $quotePart) {
if($quotePart[1] > 0) {
$indent++;
$indentString .= '>';
}
$quoteParts2 = preg_split('/<\/blockquote>/', $quotePart[0], -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts2 as $quotePart2) {
if($quotePart2[1] > 0) {
$indent--;
$indentString = substr($indentString, 0, $indent);
}
$quoteParts3 = explode("\r\n", $quotePart2[0]);
foreach($quoteParts3 as $quotePart3) {
$allowedLength = 76-strlen("\r\n$indentString");
if (strlen($quotePart3) > $allowedLength) {
$s=explode(" ", $quotePart3);
$quotePart3 = "";
$linecnt = 0;
foreach ($s as $k=>$v) {
$cnt = strlen($v);
// only break long words within the wordboundaries,
if($cnt > $allowedLength) {
$v=wordwrap($v, $allowedLength, "\r\n$indentString", true);
}
// the rest should be broken at the start of the new word that exceeds the limit
if ($linecnt+$cnt > $allowedLength) {
$v="\r\n$indentString$v";
$linecnt = 0;
} else {
$linecnt += $cnt;
}
if (strlen($v)) $quotePart3 .= (strlen($quotePart3) ? " " : "").$v;
}
}
$asciiTextBuff[] = $indentString . $quotePart3 ;
}
}
}
return implode("\r\n",$asciiTextBuff);
}
}
}