| | |
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| | | // remove any null-byte characters before parsing |
|---|
| | | $body = preg_replace('/\x00/', '', $body); |
|---|
| | | |
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| | | $base_url = ""; |
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| | | $last_style_pos = 0; |
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| | | $body_lc = strtolower($body); |
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| | | |
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| | | // check for <base href> |
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| | | if (preg_match(($base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i'), $body, $base_regs)) |
|---|
| | | $base_url = $base_regs[2]; |
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| | | |
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| | | // find STYLE tags |
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| | | while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos))) |
|---|
| | |
|---|
| | | $pos = strpos($body_lc, '>', $pos)+1; |
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| | | |
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| | | // replace all css definitions with #container [def] |
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| | | $styles = rcmail_mod_css_styles(substr($body, $pos, $pos2-$pos), $container_id); |
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| | | $styles = rcmail_mod_css_styles(substr($body, $pos, $pos2-$pos), $container_id, $base_url); |
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| | | |
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| | | $body = substr($body, 0, $pos) . $styles . substr($body, $pos2); |
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| | | $body_lc = strtolower($body); |
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| | |
|---|
| | | } |
|---|
| | | |
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| | | // resolve <base href> |
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| | | $base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i'; |
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| | | if (preg_match($base_reg, $body, $regs)) |
|---|
| | | if ($base_url) |
|---|
| | | { |
|---|
| | | $base_url = $regs[2]; |
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| | | $body = preg_replace('/(src|background|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$base_url').'\"'", $body); |
|---|
| | | $body = preg_replace('/(url\s*\()(["\']?)([\.\/]+[^"\'\)\s]+)(\2)\)/Uie', "'\\1\''.make_absolute_url('\\3', '$base_url').'\')'", $body); |
|---|
| | | $body = preg_replace($base_reg, '', $body); |
|---|
| | | } |
|---|
| | | |
|---|
| | | // modify HTML links to open a new window if clicked |
|---|
| | | $body = preg_replace('/<a\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1');", $body); |
|---|
| | | $body = preg_replace('/<(a|link)\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1','\\2', '$container_id');", $body); |
|---|
| | | |
|---|
| | | // add comments arround html and other tags |
|---|
| | | $out = preg_replace(array( |
|---|
| | |
|---|
| | | '<!--\\1-->', |
|---|
| | | $body); |
|---|
| | | |
|---|
| | | $out = preg_replace(array('/<body([^>]*)>/i', |
|---|
| | | '/<\/body>/i'), |
|---|
| | | array('<div class="rcmBody"\\1>', |
|---|
| | | '</div>'), |
|---|
| | | $out); |
|---|
| | | $out = preg_replace( |
|---|
| | | array( |
|---|
| | | '/<body([^>]*)>/i', |
|---|
| | | '/<\/body>/i', |
|---|
| | | ), |
|---|
| | | array( |
|---|
| | | '<div class="rcmBody"\\1>', |
|---|
| | | '</div>', |
|---|
| | | ), |
|---|
| | | $out); |
|---|
| | | |
|---|
| | | // quote <? of php and xml files that are specified as text/html |
|---|
| | | $out = preg_replace(array('/<\?/', '/\?>/'), array('<?', '?>'), $out); |
|---|
| | |
|---|
| | | |
|---|
| | | |
|---|
| | | // parse link attributes and set correct target |
|---|
| | | function rcmail_alter_html_link($in) |
|---|
| | | function rcmail_alter_html_link($tag, $attrs, $container_id) |
|---|
| | | { |
|---|
| | | $in = preg_replace('/=([^("|\'|\s)]+)(\s|$)/', '="\1"', $in); |
|---|
| | | $attrib = parse_attrib_string($in); |
|---|
| | | $attrib = parse_attrib_string($attrs); |
|---|
| | | |
|---|
| | | if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href'])) |
|---|
| | | $attrib['href'] = "./bin/modcss.php?u=" . urlencode($attrib['href']) . "&c=" . urlencode($container_id); |
|---|
| | | |
|---|
| | | if (stristr((string)$attrib['href'], 'mailto:')) |
|---|
| | | $attrib['onclick'] = sprintf("return %s.command('compose','%s',this)", |
|---|
| | | JS_OBJECT_NAME, |
|---|
| | | JQ(substr($attrib['href'], 7))); |
|---|
| | | else if (stristr((string)$attrib['href'], 'mailto:')) |
|---|
| | | $attrib['onclick'] = sprintf( |
|---|
| | | "return %s.command('compose','%s',this)", |
|---|
| | | JS_OBJECT_NAME, |
|---|
| | | JQ(substr($attrib['href'], 7))); |
|---|
| | | |
|---|
| | | else if (!empty($attrib['href']) && $attrib['href']{0}!='#') |
|---|
| | | $attrib['target'] = '_blank'; |
|---|
| | | |
|---|
| | | return '<a' . create_attrib_string($attrib, array('href', 'name', 'target', 'onclick', 'id', 'class', 'style', 'title')) . '>'; |
|---|
| | | } |
|---|
| | | |
|---|
| | | |
|---|
| | | // replace all css definitions with #container [def] |
|---|
| | | function rcmail_mod_css_styles($source, $container_id) |
|---|
| | | { |
|---|
| | | $a_css_values = array(); |
|---|
| | | $last_pos = 0; |
|---|
| | | |
|---|
| | | // cut out all contents between { and } |
|---|
| | | while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos))) |
|---|
| | | { |
|---|
| | | $key = sizeof($a_css_values); |
|---|
| | | $a_css_values[$key] = substr($source, $pos+1, $pos2-($pos+1)); |
|---|
| | | $source = substr($source, 0, $pos+1) . "<<str_replacement[$key]>>" . substr($source, $pos2, strlen($source)-$pos2); |
|---|
| | | $last_pos = $pos+2; |
|---|
| | | } |
|---|
| | | |
|---|
| | | // remove html commends and add #container to each tag selector. |
|---|
| | | // also replace body definition because we also stripped off the <body> tag |
|---|
| | | $styles = preg_replace(array('/(^\s*<!--)|(-->\s*$)/', '/(^\s*|,\s*|\}\s*)([a-z0-9\._][a-z0-9\.\-_]*)/im', '/<<str_replacement\[([0-9]+)\]>>/e', "/$container_id\s+body/i"), |
|---|
| | | array('', "\\1#$container_id \\2", "\$a_css_values[\\1]", "$container_id div.rcmBody"), |
|---|
| | | $source); |
|---|
| | | |
|---|
| | | return $styles; |
|---|
| | | return "<$tag" . create_attrib_string($attrib, array('href','name','target','onclick','id','class','style','title','rel','type','media')) . ' />'; |
|---|
| | | } |
|---|
| | | |
|---|
| | | |
|---|
