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piler/webui/model/search/message.php
Janos SUTO 781fadb85e gui: add cc address to message view 
Signed-off-by: Janos SUTO <sj@acts.hu>
2017-07-05 22:28:47 +02:00

677 lines
20 KiB
PHP
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<?php
require 'Zend/Mime/Decode.php';
require 'Zend/Exception.php';
class ModelSearchMessage extends Model {
public $encoding_aliases = array(
'GB2312' => 'GBK',
'GB231280' => 'GBK'
);
public $message;
private $verification = 0;
public function get_boundary($line='') {
$parts = explode(";", $line);
for($i=0; $i<count($parts); $i++) {
if(stristr($parts[$i], "boundary")) {
$parts[$i] = preg_replace("/boundary\s{0,}=\s{0,}/i", "boundary=", $parts[$i]);
$parts[$i] = preg_replace("/\"\;{0,1}/", "", $parts[$i]);
$parts[$i] = preg_replace("/\'/", "", $parts[$i]);
$b = explode("boundary=", $parts[$i]);
return rtrim($b[count($b)-1]);
}
}
return "";
}
public function verify_message($piler_id = '', $data = '') {
if($piler_id == '') { return 0; }
$q = $this->db->query("SELECT `size`, `hlen`, `digest`, `bodydigest`,`attachments` FROM " . TABLE_META . " WHERE piler_id=?", array($piler_id));
$digest = $q->row['digest'];
$bodydigest = $q->row['bodydigest'];
$size = $q->row['size'];
$hlen = $q->row['hlen'];
$attachments = $q->row['attachments'];
$_digest = openssl_digest($data, "SHA256");
$_bodydigest = openssl_digest(substr($data, $hlen), "SHA256");
if($_digest == $digest && $_bodydigest == $bodydigest) {
if(TSA_PUBLIC_KEY_FILE) {
$id = $this->get_id_by_piler_id($piler_id);
if($this->check_rfc3161_timestamp_for_id($id) == 1) { return 1; }
}
else { return 1; }
}
return 0;
}
public function get_raw_message($id = '') {
$s = '';
if($id == '' || !preg_match("/^([0-9a-f]+)$/", $id)) { return $s; }
if(LOG_LEVEL >= DEBUG) { syslog(LOG_INFO, DECRYPT_BINARY . " $id"); }
$handle = popen(DECRYPT_BINARY . " $id", "r");
while(($buf = fread($handle, DECRYPT_BUFFER_LENGTH))) {
$s .= $buf;
}
pclose($handle);
if($s == '') {
$handle = popen(DECRYPT_BINARY . " $id nocrypt", "r");
while(($buf = fread($handle, DECRYPT_BUFFER_LENGTH))) {
$s .= $buf;
}
pclose($handle);
}
if(ENABLE_ON_THE_FLY_VERIFICATION == 0) {
$this->verification = $this->verify_message($id, $s);
}
if(Registry::get('auditor_user') == 0 && HEADER_LINE_TO_HIDE) {
$s = preg_replace("/" . HEADER_LINE_TO_HIDE . ".{1,}(\n(\ |\t){1,}.{1,}){0,}" . "\n/i", "", $s);
}
return $s;
}
public function get_attachment($piler_id = '', $attachment_id = '') {
$data = '';
if($piler_id == '' || $attachment_id == '' || !preg_match("/^([0-9a-f]+)$/", $piler_id) || !preg_match("/^([0-9m]+)$/", $attachment_id)) { return $data; }
if(LOG_LEVEL >= DEBUG) { syslog(LOG_INFO, DECRYPT_ATTACHMENT_BINARY . " $piler_id $attachment_id"); }
$handle = popen(DECRYPT_ATTACHMENT_BINARY . " $piler_id $attachment_id", "r");
while(($buf = fread($handle, DECRYPT_BUFFER_LENGTH))){
$data .= $buf;
}
pclose($handle);
/* check if it's a base64 encoded stuff */
$s = substr($data, 0, 4096);
$s = preg_replace("/(\r|\n)/", "", $s);
if(!preg_match("/\s/", $s)) {
return base64_decode(preg_replace("/\s/", "", $data));
}
return $data;
}
public function get_message_headers($id = '') {
$headers = '';
$msg = $this->get_raw_message($id);
Zend_Mime_Decode::splitMessageRaw($msg, $headers, $body);
$has_journal = $this->remove_journal($headers);
$headers = $this->escape_lt_gt_symbols($headers);
return array('headers' => $headers, 'has_journal' => $has_journal);
}
public function get_message_journal($id = '') {
$data = '&lt; &gt;';
$boundary = '';
$msg = $this->get_raw_message($id);
$hdr = substr($msg, 0, 8192);
$s = preg_split("/\n/", $hdr);
while(list($k, $v) = each($s)) {
if(preg_match("/boundary\s{0,}=\s{0,}\"{0,}([\w\_\-\@\.]+)\"{0,}/i", $v, $m)) {
if(isset($m[1])) { $boundary = $m[1]; break; }
}
}
$p = strstr($msg, "\nX-MS-Journal-Report:");
$msg = '';
if($p) {
$s = preg_split("/\n/", $p);
$i=0; $j=0; $data = '';
while(list($k, $v) = each($s)) {
if(strstr($v, $boundary)) { $i++; }
if($i > 0 && preg_match("/^\s{1,}$/", $v)) { $j++; }
if($j == 1) {
$data .= "$v\n";
}
if($i >= 2) { break; }
}
$p = '';
$data = $this->escape_lt_gt_symbols($data);
}
return $data;
}
public function remove_journal(&$msg = '') {
$p = $q = '';
$boundary = '';
$has_journal = 0;
$hdr = substr($msg, 0, 4096);
$s = preg_split("/\n/", $hdr);
while(list($k, $v) = each($s)) {
if(preg_match("/boundary\s{0,}=\s{0,}\"{0,}([\w\_\-\@\.]+)\"{0,}/i", $v, $m)) {
if(isset($m[1])) { $boundary = $m[1]; break; }
}
}
$p = strstr($msg, "\nX-MS-Journal-Report:");
if($p) {
$has_journal = 1;
$msg = '';
$q = strstr($p, "Received: from");
if($q) {
$p = '';
$msg = $q;
$q = '';
}
else {
$msg = $p;
$p = '';
}
if($boundary) {
$msg = substr($msg, 0, strlen($msg) - strlen($boundary) - 6);
}
}
return $has_journal;
}
public function extract_message($id = '', $terms = '') {
$from = "From: ";
$to = "To: ";
$cc = "Cc: ";
$subject = "Subject: ";
$date = "Date: ";
$msg = $this->get_raw_message($id);
$has_journal = $this->remove_journal($msg);
Zend_Mime_Decode::splitMessage($msg, $headers, $body);
$boundary = $this->get_boundary($headers['content-type']);
if(is_array($headers['from'])) { $headers['from'] = $headers['from'][0]; }
if(is_array($headers['to'])) { $headers['to'] = $headers['to'][0]; }
if(is_array($headers['cc'])) { $headers['cc'] = $headers['cc'][0]; }
if(is_array($headers['subject'])) { $headers['subject'] = $headers['subject'][0]; }
if(is_array($headers['date'])) { $headers['date'] = $headers['date'][0]; }
if(isset($headers['from'])) $from .= $this->escape_lt_gt_symbols($headers['from']);
if(isset($headers['to'])) $to .= $this->escape_lt_gt_symbols($headers['to']);
if(isset($headers['cc'])) $cc .= $this->escape_lt_gt_symbols($headers['cc']);
if(isset($headers['subject'])) $subject .= $this->escape_lt_gt_symbols($headers['subject']);
if(isset($headers['date'])) $date .= $headers['date'];
$this->message = array(
'text/plain' => '',
'text/html' => ''
);
$this->extract_textuals_from_mime_parts($headers, $body, $boundary);
return array('from' => $from,
'to' => $to,
'cc' => $cc,
'subject' => $this->highlight_search_terms($subject, $terms),
'date' => $date,
'message' => $this->message['text/html'] ? $this->message['text/html'] : $this->message['text/plain'],
'has_journal' => $has_journal,
'verification' => $this->verification
);
}
private function extract_textuals_from_mime_parts($headers = array(), $body = '', $boundary = '') {
$mime_parts = array();
if($boundary) {
try {
$mime_parts = Zend_Mime_Decode::splitMessageStruct($body, $boundary);
}
catch (Exception $e) {
syslog(LOG_INFO, "Caught exception: " . $e->getMessage());
}
} else {
$mime_parts[] = array('header' => $headers, 'body' => $body);
}
require_once DIR_SYSTEM . 'helper/HTMLPurifier.standalone.php';
$config = HTMLPurifier_Config::createDefault();
$config->set('URI', 'DisableExternal', 'true');
$config->set('URI', 'DisableExternalResources', 'true');
$config->set('Cache.SerializerPath', DIR_BASE . 'tmp');
$purifier = new HTMLPurifier($config);
for($i=0; $i<count($mime_parts); $i++) {
$mime = array(
'content-type' => '',
'encoding' => ''
);
if(isset($mime_parts[$i]['header']['content-type'])) {
$mime['content-type'] = Zend_Mime_Decode::splitContentType($mime_parts[$i]['header']['content-type']);
}
/*
Fix the mime type for some emails having a single textual body part
without the Content-type header.
*/
else if (count($mime_parts) == 1) {
$mime['content-type']['type'] = 'text/plain';
}
if(in_array($mime['content-type']['type'], array('multipart/mixed', 'multipart/related', 'multipart/alternative')))
$this->extract_textuals_from_mime_parts($mime_parts[$i]['header'], $mime_parts[$i]['body'], $mime['content-type']['boundary']);
if(isset($mime_parts[$i]['header']['content-transfer-encoding']))
$mime['encoding'] = $mime_parts[$i]['header']['content-transfer-encoding'];
if(in_array($mime['content-type']['type'], array('text/plain', 'text/html')))
$this->message[$mime['content-type']['type']] .= $this->fix_mime_body_part($purifier, $mime, $mime_parts[$i]['body']);
}
}
private function fix_mime_body_part($purifier, $mime = array(), $body = '') {
if($mime['encoding'] == 'quoted-printable')
$body = Zend_Mime_Decode::decodeQuotedPrintable($body);
if($mime['encoding'] == 'base64')
$body = base64_decode($body);
if(strtolower($mime['content-type']['charset']) != 'utf-8')
$body = iconv($mime['content-type']['charset'], 'utf-8' . '//IGNORE', $body);
if(strtolower($mime['content-type']['type']) == 'text/plain') {
$body = $this->escape_lt_gt_symbols($body);
$body = preg_replace("/\n/", "<br />\n", $body);
$body = "\n" . $this->print_nicely($body);
}
if(strtolower($mime['content-type']['type']) == 'text/html') {
$body = $purifier->purify($body);
}
return $body;
}
private function escape_lt_gt_symbols($s = '') {
$s = preg_replace("/</", "&lt;", $s);
$s = preg_replace("/>/", "&gt;", $s);
return $s;
}
private function highlight_search_terms($s = '', $terms = '', $html = 0) {
$fields = array("from:", "to:", "subject:", "body:");
$terms = preg_replace("/(\,|\s){1,}/", " ", $terms);
$a = explode(" ", $terms);
$terms = array();
while(list($k, $v) = each($a)) {
if(strlen($v) >= 3 && !in_array($v, $fields)) {
$v = preg_replace("/\*/", "", $v);
if($v) { array_push($terms, $v); }
}
}
if(count($terms) <= 0) { return $s; }
if($html == 0) {
while(list($k, $v) = each($terms)) {
$s = preg_replace("/$v/i", "<span class=\"message_highlight\">$v</span>", $s);
}
return $s;
}
$tokens = preg_split("/\</", $s);
$s = '';
while(list($k, $token) = each($tokens)) {
$pos = strpos($token, ">");
if($pos > 0) {
$len = strlen($token);
$s .= '<' . substr($token, 0, $pos) . '>';
if($len > $pos+1) {
$str = substr($token, $pos+1, $len);
reset($terms);
while(list($k, $v) = each($terms)) {
$str = preg_replace("/$v/i", "<span class=\"message_highlight\">$v</span>", $str);
}
$s .= $str;
}
}
}
return $s;
}
private function print_nicely($chunk) {
$k = 0;
$nice_chunk = "";
$x = explode(" ", $chunk);
for($i=0; $i<count($x); $i++){
$nice_chunk .= $x[$i] . " ";
$k += strlen($x[$i]);
if(strstr($x[$i], "\n")){ $k = 0; }
if($k > 70){ $nice_chunk .= "\n"; $k = 0; }
}
return $nice_chunk;
}
public function NiceSize($size) {
if($size < 1000) return "1k";
if($size < 100000) return round($size/1000) . "k";
return sprintf("%.1f", $size/1000000) . "M";
}
public function get_piler_id_by_id($id = 0) {
$query = $this->db->query("SELECT `piler_id` FROM `" . TABLE_META . "` WHERE id=?", array($id));
if(isset($query->row['piler_id'])) { return $query->row['piler_id']; }
return '';
}
public function get_id_by_piler_id($piler_id = '') {
if($piler_id == '') { return -1; }
$query = $this->db->query("SELECT `id` FROM `" . TABLE_META . "` WHERE piler_id=?", array($piler_id));
if(isset($query->row['id'])) { return $query->row['id']; }
return -1;
}
public function get_subject_id_by_id($id = 0) {
$query = $this->db->query("SELECT `subject` FROM `" . TABLE_META . "` WHERE id=?", array($id));
if(isset($query->row['subject'])) { return $query->row['subject']; }
return '';
}
public function get_metadata_by_id($id = 0) {
$query = $this->db->query("SELECT * FROM `" . TABLE_META . "` WHERE id=?", array($id));
if(isset($query->row['piler_id'])) { return $query->row; }
return '';
}
public function fix_subject($s = '') {
if($s == '') { $s = 'nosubject'; }
return preg_replace("/^\-{1,}/", "", preg_replace("/\W{1,}/", "-", $s));
}
public function get_attachment_by_id($id = 0) {
if($id <= 0) { return array(); }
$query = $this->db->query("SELECT id, piler_id, attachment_id, name, type, ptr FROM " . TABLE_ATTACHMENT . " WHERE id=?", array($id));
if(isset($query->row)) {
$metaid = $this->get_id_by_piler_id($query->row['piler_id']);
if($metaid > 0 && $this->model_search_search->check_your_permission_by_id($metaid) == 1) {
if($query->row['ptr'] > 0) {
$query = $this->db->query("SELECT id, piler_id, attachment_id, name, type FROM " . TABLE_ATTACHMENT . " WHERE id=?", array($query->row['ptr']));
}
$attachment = $this->get_attachment($query->row['piler_id'], $query->row['attachment_id']);
return array('filename' => fix_evolution_mime_name_crap($query->row['name']), 'piler_id' => $query->row['piler_id'], 'attachment' => $attachment);
}
}
return array();
}
public function check_rfc3161_timestamp_for_id($id = 0) {
$s = '';
$computed_hash = '';
/*
* determine which entry in the timestamp table holds the aggregated hash value,
* then compute the aggregated hash value for the digests between start_id and stop_id.
* If the hashes are the same, then verify by the public key as well
*/
$query = $this->db->query("SELECT `start_id`, `stop_id`, `hash_value`, `response_time`, `response_string` FROM " . TABLE_TIMESTAMP . " WHERE start_id <= ? AND stop_id >= ?", array($id, $id));
if(isset($query->row['start_id']) && isset($query->row['stop_id'])) {
if(MEMCACHED_ENABLED) {
$cache_key = "rfc3161_" . $query->row['start_id'] . "+" . $query->row['stop_id'];
$memcache = Registry::get('memcache');
$computed_hash = $memcache->get($cache_key);
}
if($computed_hash == '') {
$query2 = $this->db->query("SELECT digest FROM " . TABLE_META . " WHERE id >= ? AND id <= ?", array($query->row['start_id'], $query->row['stop_id']));
foreach($query2->rows as $q) {
$s .= $q['digest'];
}
$computed_hash = sha1($s);
if(MEMCACHED_ENABLED) {
$memcache->add($cache_key, $computed_hash, 0, MEMCACHED_TTL);
}
}
if($query->row['hash_value'] == $computed_hash) {
$validate = TrustedTimestamps::validate($query->row['hash_value'], $query->row['response_string'], $query->row['response_time'], TSA_PUBLIC_KEY_FILE);
if($validate == true) { return 1; }
}
}
return 0;
}
public function get_attachment_list($piler_id = 0) {
$data = array();
if($piler_id == '') { return array(); }
$query = $this->db->query("SELECT id, name, type, ptr FROM " . TABLE_ATTACHMENT . " WHERE piler_id=?", array($piler_id));
if(!isset($query->rows)) { return array(); }
foreach($query->rows as $q) {
$q['name'] = fix_evolution_mime_name_crap($q['name']);
array_push($data, $q);
}
return $data;
}
public function is_message_spam($id = 0) {
$spam = 0;
if($id > 0 && DEFAULT_RETENTION > 30) {
$query = $this->db->query("SELECT spam FROM " . TABLE_META . " WHERE id=?", array($id));
if(isset($query->row['spam'])) { $spam = $query->row['spam']; }
}
return $spam;
}
public function not_spam($id = 0) {
if($id > 0) {
$query = $this->db->query("UPDATE " . TABLE_META . " SET spam=0, retained=? WHERE id=?", array(NOW + (DEFAULT_RETENTION*86400), $id));
}
}
public function mark_as_private($id = 0) {
if($id > 0) {
$query = $this->db->query("INSERT INTO " . TABLE_PRIVATE . " (id) VALUES(?)", array($id));
}
return 1;
}
public function unmark_as_private($id = 0) {
if($id > 0) {
$query = $this->db->query("DELETE FROM " . TABLE_PRIVATE . " WHERE id=?", array($id));
}
return 1;
}
public function get_message_tag($id = '', $uid = 0) {
if($id == '' || $uid <= 0) { return ''; }
$query = $this->db->query("SELECT `tag` FROM " . TABLE_TAG . " WHERE uid=? AND id=?", array($uid, $id));
if(isset($query->row['tag'])) { return strip_tags($query->row['tag']); }
return '';
}
public function add_message_tag($id = '', $uid = 0, $tag = '') {
if($id == '' || $uid <= 0) { return 0; }
if($tag == '') {
$query = $this->db->query("DELETE FROM " . TABLE_TAG . " WHERE uid=? AND id=?", array($uid, $id));
} else {
$query = $this->db->query("UPDATE " . TABLE_TAG . " SET tag=? WHERE uid=? AND id=?", array($tag, $uid, $id));
if($this->db->countAffected() == 0) {
$query = $this->db->query("INSERT INTO " . TABLE_TAG . " (id, uid, tag) VALUES(?,?,?)", array($id, $uid, $tag));
}
}
return 1;
}
public function bulk_add_message_tag($ids = array(), $uid = 0, $tag = '', $q = '') {
$arr = array_merge(array($uid), $ids);
$query = $this->db->query("DELETE FROM " . TABLE_TAG . " WHERE uid=? AND id IN ($q)", $arr);
if($tag) {
foreach ($ids as $id) {
$query = $this->db->query("INSERT INTO " . TABLE_TAG . " (id, uid, tag) VALUES(?,?,?)", array($id, $uid, $tag));
}
}
}
public function get_message_note($id = '', $uid = 0) {
if($id == '' || $uid <= 0) { return ''; }
$query = $this->db->query("SELECT `note` FROM " . TABLE_NOTE . " WHERE uid=? AND id=?", array($uid, $id));
if(isset($query->row['note'])) { return strip_tags(urldecode($query->row['note'])); }
return '';
}
public function add_message_note($id = '', $uid = 0, $note = '') {
if($id == '' || $uid <= 0) { return 0; }
if($note == '') {
$query = $this->db->query("DELETE FROM " . TABLE_NOTE . " WHERE uid=? AND id=?", array($uid, $id));
} else {
$query = $this->db->query("UPDATE " . TABLE_NOTE . " SET note=? WHERE uid=? AND id=?", array($note, $uid, $id));
if($this->db->countAffected() == 0) {
$query = $this->db->query("INSERT INTO " . TABLE_NOTE . " (id, uid, note) VALUES(?,?,?)", array($id, $uid, $note));
}
}
return 1;
}
public function get_message_private($id = 0) {
if($id == 0) { return 0; }
$query = $this->db->query("SELECT `id` FROM " . TABLE_PRIVATE . " WHERE id=?", array($id));
if(isset($query->row['id'])) { return 1; }
return 0;
}
}
?>
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