diff options
Diffstat (limited to 'program/steps/mail/func.inc')
-rw-r--r-- | program/steps/mail/func.inc | 187 |
1 files changed, 114 insertions, 73 deletions
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc index f54d4facd..2e85a4097 100644 --- a/program/steps/mail/func.inc +++ b/program/steps/mail/func.inc @@ -19,7 +19,6 @@ */ -require_once('lib/enriched.inc'); require_once('include/rcube_smtp.inc'); $EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i'; @@ -611,22 +610,128 @@ function rcmail_get_mailbox_name_text() return rcmail_localize_foldername($RCMAIL->imap->get_mailbox_name()); } +/** + * Sets message is_safe flag according to 'show_images' option value + * + * @param object rcube_message Message + */ +function rcmail_check_safe(&$message) +{ + global $RCMAIL; + + $show_images = $RCMAIL->config->get('show_images'); + if (!$message->is_safe + && !empty($show_images) + && $message->has_html_part()) + { + switch($show_images) { + case '1': // known senders only + $CONTACTS = new rcube_contacts($DB, $_SESSION['user_id']); + if ($CONTACTS->search('email', $message->sender['mailto'], true, false)->count) { + $message->set_safe(true); + } + break; + case '2': // always + $message->set_safe(true); + break; + } + } +} + +/** + * Cleans up the given message HTML Body (for displaying) + * + * @param string HTML + * @param array Display parameters + * @param array CID map replaces (inline images) + * @return string Clean HTML + */ +function rcmail_wash_html($html, $p = array(), $cid_replaces) +{ + global $REMOTE_OBJECTS; + + $p += array('safe' => false, 'inline_html' => true); + + // special replacements (not properly handled by washtml class) + $html_search = array( + '/(<\/nobr>)(\s+)(<nobr>)/i', // space(s) between <NOBR> + '/(<[\/]*st1:[^>]+>)/i', // Microsoft's Smart Tags <ST1> + '/<\/?rte_text>/i', // Rich Text Editor tags (#1485647) + '/<title>.*<\/title>/i', // PHP bug #32547 workaround: remove title tag + '/<html[^>]*>/im', // malformed html: remove html tags (#1485139) + '/<\/html>/i', // malformed html: remove html tags (#1485139) + '/^[\xFE\xFF\xBB\xBF\x00]+((?:<\!doctype|\<html))/im', // remove byte-order mark (only outlook?) + ); + $html_replace = array( + '\\1'.' '.'\\3', + '', + '', + '', + '', + '', + '\\1', + ); + $html = preg_replace($html_search, $html_replace, $html); + + // charset was converted to UTF-8 in rcube_imap::get_message_part() -> change charset specification in HTML accordingly + $charset_pattern = '/(\s+content=[\'"]?\w+\/\w+;\s*charset)=([a-z0-9-_]+)/i'; + if (preg_match($charset_pattern, $html)) { + $html = preg_replace($charset_pattern, '\\1='.RCMAIL_CHARSET, $html); + } + else { + // add head for malformed messages, washtml cannot work without that + if (!preg_match('/<head[^>]*>(.*)<\/head>/Uims', $html)) + $html = '<head></head>'. $html; + $html = substr_replace($html, '<meta http-equiv="content-type" content="text/html; charset='.RCMAIL_CHARSET.'" />', intval(stripos($html, '<head>')+6), 0); + } + + // turn relative into absolute urls + $html = rcmail_resolve_base($html); + + // clean HTML with washhtml by Frederic Motte + $wash_opts = array( + 'show_washed' => false, + 'allow_remote' => $p['safe'], + 'blocked_src' => "./program/blocked.gif", + 'charset' => RCMAIL_CHARSET, + 'cid_map' => $cid_replaces, + 'html_elements' => array('body'), + ); + + if (!$p['inline_html']) { + $wash_opts['html_elements'] = array('html','head','title','body'); + } + if ($p['safe']) { + $wash_opts['html_elements'][] = 'link'; + $wash_opts['html_attribs'] = array('rel','type'); + } + + $washer = new washtml($wash_opts); + $washer->add_callback('form', 'rcmail_washtml_callback'); + + if ($p['safe']) { // allow CSS styles, will be sanitized by rcmail_washtml_callback() + $washer->add_callback('style', 'rcmail_washtml_callback'); + } + + $html = $washer->wash($html); + $REMOTE_OBJECTS = $washer->extlinks; + + return $html; +} + /** * Convert the given message part to proper HTML * which can be displayed the message view * * @param object rcube_message_part Message part - * @param bool True if external objects (ie. images ) are allowed - * @param bool True if part should be converted to plaintext + * @param array Display parameters array * @return string Formatted HTML string */ function rcmail_print_body($part, $p = array()) { - global $REMOTE_OBJECTS; - $p += array('safe' => false, 'plain' => false, 'inline_html' => true); - + // convert html to text/plain if ($part->ctype_secondary == 'html' && $p['plain']) { $txt = new html2text($part->body, false, true); @@ -635,77 +740,12 @@ function rcmail_print_body($part, $p = array()) } // text/html else if ($part->ctype_secondary == 'html') { - $html = $part->body; - - // special replacements (not properly handled by washtml class) - $html_search = array( - '/(<\/nobr>)(\s+)(<nobr>)/i', // space(s) between <NOBR> - '/(<[\/]*st1:[^>]+>)/i', // Microsoft's Smart Tags <ST1> - '/<\/?rte_text>/i', // Rich Text Editor tags (#1485647) - '/<title>.*<\/title>/i', // PHP bug #32547 workaround: remove title tag - '/<html[^>]*>/im', // malformed html: remove html tags (#1485139) - '/<\/html>/i', // malformed html: remove html tags (#1485139) - '/^[\xFE\xFF\xBB\xBF\x00]+((?:<\!doctype|\<html))/im', // remove byte-order mark (only outlook?) - ); - $html_replace = array( - '\\1'.' '.'\\3', - '', - '', - '', - '', - '', - '\\1', - ); - $html = preg_replace($html_search, $html_replace, $html); - - // charset was converted to UTF-8 in rcube_imap::get_message_part() -> change charset specification in HTML accordingly - $charset_pattern = '/(\s+content=[\'"]?\w+\/\w+;\s*charset)=([a-z0-9-_]+)/i'; - if (preg_match($charset_pattern, $html)) { - $html = preg_replace($charset_pattern, '\\1='.RCMAIL_CHARSET, $html); - } - else { - // add head for malformed messages, washtml cannot work without that - if (!preg_match('/<head[^>]*>(.*)<\/head>/Uims', $html)) - $html = '<head></head>'. $html; - $html = substr_replace($html, '<meta http-equiv="content-type" content="text/html; charset='.RCMAIL_CHARSET.'" />', intval(stripos($html, '<head>')+6), 0); - } - - // turn relative into absolute urls - $html = rcmail_resolve_base($html); - - // clean HTML with washhtml by Frederic Motte - $wash_opts = array( - 'show_washed' => false, - 'allow_remote' => $p['safe'], - 'blocked_src' => "./program/blocked.gif", - 'charset' => RCMAIL_CHARSET, - 'cid_map' => $part->replaces, - 'html_elements' => array('body'), - ); - - if (!$p['inline_html']) { - $wash_opts['html_elements'] = array('html','head','title','body'); - } - if ($p['safe']) { - $wash_opts['html_elements'][] = 'link'; - $wash_opts['html_attribs'] = array('rel','type'); - } - - $washer = new washtml($wash_opts); - $washer->add_callback('form', 'rcmail_washtml_callback'); - - if ($p['safe']) { // allow CSS styles, will be sanitized by rcmail_washtml_callback() - $washer->add_callback('style', 'rcmail_washtml_callback'); - } - - $body = $washer->wash($html); - $REMOTE_OBJECTS = $washer->extlinks; - - return $body; + return rcmail_wash_html($part->body, $p, $part->replaces); } // text/enriched else if ($part->ctype_secondary=='enriched') { $part->ctype_secondary = 'html'; + require_once('lib/enriched.inc'); return Q(enriched_to_html($part->body), 'show'); } else @@ -757,6 +797,7 @@ function rcmail_print_body($part, $p = array()) return html::tag('pre', array(), $body); } + /** * add a string to the replacement array and return a replacement string */ |