mirror of
https://bitbucket.org/jsuto/piler.git
synced 2024-11-08 15:41:59 +01:00
504 lines
15 KiB
PHP
504 lines
15 KiB
PHP
<?php
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require_once DIR_SYSTEM . 'helper/mime.php';
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class ModelSearchMessage extends Model {
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public $encoding_aliases = array(
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'GB2312' => 'GBK',
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'GB231280' => 'GBK'
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);
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public $message;
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private $verification = 0;
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public function verify_message($piler_id = '', $data = '') {
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if($piler_id == '') { return 0; }
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$q = $this->db->query("SELECT `size`, `hlen`, `digest`, `bodydigest`,`attachments` FROM " . TABLE_META . " WHERE piler_id=?", array($piler_id));
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$digest = $q->row['digest'];
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$bodydigest = $q->row['bodydigest'];
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$size = $q->row['size'];
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$hlen = $q->row['hlen'];
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$attachments = $q->row['attachments'];
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$_digest = openssl_digest($data, "SHA256");
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$_bodydigest = openssl_digest(substr($data, $hlen), "SHA256");
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if($_digest == $digest && $_bodydigest == $bodydigest) {
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if(TSA_PUBLIC_KEY_FILE) {
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$id = $this->get_id_by_piler_id($piler_id);
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if($this->check_rfc3161_timestamp_for_id($id) == 1) { return 1; }
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}
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else { return 1; }
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}
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return 0;
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}
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public function get_raw_message($id = '') {
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$s = '';
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if($id == '' || !preg_match("/^([0-9a-f]+)$/", $id)) { return $s; }
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if(LOG_LEVEL >= DEBUG) { syslog(LOG_INFO, DECRYPT_BINARY . " $id"); }
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$handle = popen(DECRYPT_BINARY . " $id", "r");
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while(($buf = fread($handle, DECRYPT_BUFFER_LENGTH))) {
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$s .= $buf;
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}
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pclose($handle);
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if($s == '') {
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$handle = popen(DECRYPT_BINARY . " $id nocrypt", "r");
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while(($buf = fread($handle, DECRYPT_BUFFER_LENGTH))) {
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$s .= $buf;
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}
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pclose($handle);
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}
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if(ENABLE_ON_THE_FLY_VERIFICATION == 0) {
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$this->verification = $this->verify_message($id, $s);
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}
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if(Registry::get('auditor_user') == 0 && HEADER_LINE_TO_HIDE) {
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$s = preg_replace("/" . HEADER_LINE_TO_HIDE . ".{1,}(\n(\ |\t){1,}.{1,}){0,}" . "\n/i", "", $s);
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}
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if(Registry::get('auditor_user') == 0){
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$s = preg_replace("/X-Piler-Envelope-To:.{1,}\n/", "", $s);
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}
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return $s;
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}
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public function get_attachment($piler_id = '', $attachment_id = '') {
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$data = '';
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if($piler_id == '' || $attachment_id == '' || !preg_match("/^([0-9a-f]+)$/", $piler_id) || !preg_match("/^([0-9m]+)$/", $attachment_id)) { return $data; }
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if(LOG_LEVEL >= DEBUG) { syslog(LOG_INFO, DECRYPT_ATTACHMENT_BINARY . " $piler_id $attachment_id"); }
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$handle = popen(DECRYPT_ATTACHMENT_BINARY . " $piler_id $attachment_id", "r");
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while(($buf = fread($handle, DECRYPT_BUFFER_LENGTH))){
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$data .= $buf;
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}
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pclose($handle);
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/* check if it's a base64 encoded stuff */
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$s = substr($data, 0, 4096);
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$s = preg_replace("/(\r|\n)/", "", $s);
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if(!preg_match("/\s/", $s)) {
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return base64_decode(preg_replace("/\s/", "", $data));
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}
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return $data;
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}
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public function get_message_headers($id = '') {
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$headers = '';
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$has_journal = 0;
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$msg = $this->get_raw_message($id);
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Piler_Mime_Decode::splitMessageRaw($msg, $headers, $journal, $body);
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if($journal) { $has_journal = 1; }
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$headers = Piler_Mime_Decode::escape_lt_gt_symbols($headers);
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return array('headers' => $headers, 'has_journal' => $has_journal);
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}
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public function get_message_journal($id = '') {
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$msg = $this->get_raw_message($id);
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Piler_Mime_Decode::splitMessageRaw($msg, $headers, $journal, $body);
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return Piler_Mime_Decode::escape_lt_gt_symbols($journal);
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}
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public function extract_message($id = '', $terms = '') {
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if(LOCALIZE_MESSAGE_HEADERS_IN_PREVIEW) {
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$lang = Registry::get('language');
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$from = $lang->data['text_from'] . ": ";
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$to = $lang->data['text_to'] . ": ";
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$cc = "Cc: ";
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$subject = $lang->data['text_subject'] . ": ";
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$date = $lang->data['text_date'] . ": ";
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} else {
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$from = "From: ";
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$to = "To: ";
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$cc = "Cc: ";
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$subject = "Subject: ";
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$date = "Date: ";
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}
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$msg = $this->get_raw_message($id);
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$has_journal = Piler_Mime_Decode::removeJournal($msg);
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Piler_Mime_Decode::splitMessage($msg, $headers, $body);
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for($i=0; $i<count(Piler_Mime_Decode::HEADER_FIELDS); $i++) {
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if(isset($headers[Piler_Mime_Decode::HEADER_FIELDS[$i]]) && is_array($headers[Piler_Mime_Decode::HEADER_FIELDS[$i]])) {
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$headers[Piler_Mime_Decode::HEADER_FIELDS[$i]] = $headers[Piler_Mime_Decode::HEADER_FIELDS[$i][0]];
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}
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if(Piler_Mime_Decode::HEADER_FIELDS[$i] == 'date') {
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${Piler_Mime_Decode::HEADER_FIELDS[$i]} .= $headers[Piler_Mime_Decode::HEADER_FIELDS[$i]];
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} else {
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${Piler_Mime_Decode::HEADER_FIELDS[$i]} .= Piler_Mime_Decode::escape_lt_gt_symbols($headers[Piler_Mime_Decode::HEADER_FIELDS[$i]]);
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}
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}
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Piler_Mime_Decode::parseMessage($msg, $parts);
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require_once DIR_SYSTEM . 'helper/HTMLPurifier.standalone.php';
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$config = HTMLPurifier_Config::createDefault();
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$config->set('URI.DisableExternal', 'true');
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$config->set('URI.DisableExternalResources', 'true');
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$config->set('Cache.SerializerPath', DIR_BASE . 'tmp');
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$purifier = new HTMLPurifier($config);
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$this->message = array(
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'text/plain' => '',
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'text/html' => ''
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);
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for($i=0; $i<count($parts); $i++) {
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$body = Piler_Mime_Decode::fixMimeBodyPart($parts[$i]['headers'], $parts[$i]['body']);
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if($parts[$i]['headers']['content-type']['type'] == 'text/html') {
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$this->message['text/html'] .= $purifier->purify($body);
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}
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else {
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$this->message['text/plain'] .= $body;
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}
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}
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return array('from' => $from,
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'to' => $to,
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'cc' => $cc,
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'subject' => $this->highlight_search_terms($subject, $terms),
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'date' => $date,
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'message' => $this->message['text/html'] ? $this->message['text/html'] : $this->message['text/plain'],
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'has_journal' => $has_journal,
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'verification' => $this->verification
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);
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}
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private function highlight_search_terms($s = '', $terms = '', $html = 0) {
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$fields = array("from:", "to:", "subject:", "body:");
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$terms = preg_replace("/(\,|\s){1,}/", " ", $terms);
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$a = explode(" ", $terms);
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$terms = array();
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while(list($k, $v) = each($a)) {
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if(strlen($v) >= 3 && !in_array($v, $fields)) {
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$v = preg_replace("/\*/", "", $v);
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if($v) { array_push($terms, $v); }
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}
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}
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if(count($terms) <= 0) { return $s; }
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if($html == 0) {
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while(list($k, $v) = each($terms)) {
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$s = preg_replace("/$v/i", "<span class=\"mssghglght\">$v</span>", $s);
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}
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return $s;
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}
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$tokens = preg_split("/\</", $s);
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$s = '';
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while(list($k, $token) = each($tokens)) {
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$pos = strpos($token, ">");
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if($pos > 0) {
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$len = strlen($token);
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$s .= '<' . substr($token, 0, $pos) . '>';
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if($len > $pos+1) {
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$str = substr($token, $pos+1, $len);
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reset($terms);
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while(list($k, $v) = each($terms)) {
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$str = preg_replace("/$v/i", "<span class=\"mssghglght\">$v</span>", $str);
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}
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$s .= $str;
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}
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}
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}
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return $s;
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}
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public function get_piler_id_by_id($id = 0) {
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$query = $this->db->query("SELECT `piler_id` FROM `" . TABLE_META . "` WHERE id=?", array($id));
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if(isset($query->row['piler_id'])) { return $query->row['piler_id']; }
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return '';
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}
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public function get_id_by_piler_id($piler_id = '') {
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if($piler_id == '') { return -1; }
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$query = $this->db->query("SELECT `id` FROM `" . TABLE_META . "` WHERE piler_id=?", array($piler_id));
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if(isset($query->row['id'])) { return $query->row['id']; }
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return -1;
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}
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public function get_subject_id_by_id($id = 0) {
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$query = $this->db->query("SELECT `subject` FROM `" . TABLE_META . "` WHERE id=?", array($id));
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if(isset($query->row['subject'])) { return $query->row['subject']; }
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return '';
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}
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public function get_metadata_by_id($id = 0) {
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$query = $this->db->query("SELECT * FROM `" . TABLE_META . "` WHERE id=?", array($id));
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if(isset($query->row['piler_id'])) { return $query->row; }
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return '';
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}
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public function fix_subject($s = '') {
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if($s == '') { $s = 'nosubject'; }
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return preg_replace("/^\-{1,}/", "", preg_replace("/\W{1,}/", "-", $s));
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}
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public function get_attachment_by_id($id = 0) {
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if($id <= 0) { return array(); }
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$query = $this->db->query("SELECT id, piler_id, attachment_id, name, type, ptr FROM " . TABLE_ATTACHMENT . " WHERE id=?", array($id));
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if(isset($query->row)) {
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$metaid = $this->get_id_by_piler_id($query->row['piler_id']);
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if($metaid > 0 && $this->model_search_search->check_your_permission_by_id($metaid) == 1) {
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if($query->row['ptr'] > 0) {
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$query = $this->db->query("SELECT id, piler_id, attachment_id, name, type FROM " . TABLE_ATTACHMENT . " WHERE id=?", array($query->row['ptr']));
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}
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$attachment = $this->get_attachment($query->row['piler_id'], $query->row['attachment_id']);
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return array('filename' => fix_evolution_mime_name_crap($query->row['name']), 'piler_id' => $query->row['piler_id'], 'attachment' => $attachment);
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}
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}
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return array();
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}
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public function check_rfc3161_timestamp_for_id($id = 0) {
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$s = '';
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$computed_hash = '';
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/*
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* determine which entry in the timestamp table holds the aggregated hash value,
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* then compute the aggregated hash value for the digests between start_id and stop_id.
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* If the hashes are the same, then verify by the public key as well
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*/
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$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, $id));
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if(isset($query->row['start_id']) && isset($query->row['stop_id'])) {
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if(MEMCACHED_ENABLED) {
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$cache_key = "rfc3161_" . $query->row['start_id'] . "+" . $query->row['stop_id'];
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$memcache = Registry::get('memcache');
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$computed_hash = $memcache->get($cache_key);
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}
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if($computed_hash == '') {
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$query2 = $this->db->query("SELECT digest FROM " . TABLE_META . " WHERE id >= ? AND id <= ?", array($query->row['start_id'], $query->row['stop_id']));
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foreach($query2->rows as $q) {
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$s .= $q['digest'];
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}
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$computed_hash = sha1($s);
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if(MEMCACHED_ENABLED) {
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$memcache->add($cache_key, $computed_hash, 0, MEMCACHED_TTL);
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}
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}
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if($query->row['hash_value'] == $computed_hash) {
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$validate = TrustedTimestamps::validate($query->row['hash_value'], $query->row['response_string'], $query->row['response_time'], TSA_PUBLIC_KEY_FILE);
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if($validate == true) { return 1; }
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}
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}
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return 0;
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}
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public function get_attachment_list($piler_id = 0) {
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$data = array();
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if($piler_id == '') { return array(); }
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$query = $this->db->query("SELECT id, name, type, ptr FROM " . TABLE_ATTACHMENT . " WHERE piler_id=?", array($piler_id));
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if(!isset($query->rows)) { return array(); }
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foreach($query->rows as $q) {
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$q['name'] = fix_evolution_mime_name_crap($q['name']);
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array_push($data, $q);
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}
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return $data;
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}
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public function is_message_spam($id = 0) {
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$spam = 0;
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if($id > 0 && DEFAULT_RETENTION > 30) {
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$query = $this->db->query("SELECT spam FROM " . TABLE_META . " WHERE id=?", array($id));
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if(isset($query->row['spam'])) { $spam = $query->row['spam']; }
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}
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return $spam;
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}
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public function not_spam($id = 0) {
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if($id > 0) {
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$query = $this->db->query("UPDATE " . TABLE_META . " SET spam=0, retained=? WHERE id=?", array(NOW + (DEFAULT_RETENTION*86400), $id));
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}
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}
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public function mark_as_private($id = 0) {
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if($id > 0) {
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$query = $this->db->query("INSERT INTO " . TABLE_PRIVATE . " (id) VALUES(?)", array($id));
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}
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return 1;
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}
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public function unmark_as_private($id = 0) {
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if($id > 0) {
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$query = $this->db->query("DELETE FROM " . TABLE_PRIVATE . " WHERE id=?", array($id));
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}
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return 1;
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}
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public function get_message_tag($id = '', $uid = 0) {
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if($id == '' || $uid <= 0) { return ''; }
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$query = $this->db->query("SELECT `tag` FROM " . TABLE_TAG . " WHERE uid=? AND id=?", array($uid, $id));
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if(isset($query->row['tag'])) { return strip_tags($query->row['tag']); }
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return '';
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}
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public function add_message_tag($id = '', $uid = 0, $tag = '') {
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if($id == '' || $uid <= 0) { return 0; }
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if($tag == '') {
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$query = $this->db->query("DELETE FROM " . TABLE_TAG . " WHERE uid=? AND id=?", array($uid, $id));
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} else {
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$query = $this->db->query("UPDATE " . TABLE_TAG . " SET tag=? WHERE uid=? AND id=?", array($tag, $uid, $id));
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if($this->db->countAffected() == 0) {
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$query = $this->db->query("INSERT INTO " . TABLE_TAG . " (id, uid, tag) VALUES(?,?,?)", array($id, $uid, $tag));
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}
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}
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return 1;
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}
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public function bulk_add_message_tag($ids = array(), $uid = 0, $tag = '', $q = '') {
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$arr = array_merge(array($uid), $ids);
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$query = $this->db->query("DELETE FROM " . TABLE_TAG . " WHERE uid=? AND id IN ($q)", $arr);
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if($tag) {
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foreach ($ids as $id) {
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$query = $this->db->query("INSERT INTO " . TABLE_TAG . " (id, uid, tag) VALUES(?,?,?)", array($id, $uid, $tag));
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}
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}
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}
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public function get_message_note($id = '', $uid = 0) {
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if($id == '' || $uid <= 0) { return ''; }
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$query = $this->db->query("SELECT `note` FROM " . TABLE_NOTE . " WHERE uid=? AND id=?", array($uid, $id));
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if(isset($query->row['note'])) { return strip_tags(urldecode($query->row['note'])); }
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return '';
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}
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public function add_message_note($id = '', $uid = 0, $note = '') {
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if($id == '' || $uid <= 0) { return 0; }
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if($note == '') {
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$query = $this->db->query("DELETE FROM " . TABLE_NOTE . " WHERE uid=? AND id=?", array($uid, $id));
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} else {
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$query = $this->db->query("UPDATE " . TABLE_NOTE . " SET note=? WHERE uid=? AND id=?", array($note, $uid, $id));
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if($this->db->countAffected() == 0) {
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$query = $this->db->query("INSERT INTO " . TABLE_NOTE . " (id, uid, note) VALUES(?,?,?)", array($id, $uid, $note));
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}
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}
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return 1;
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}
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public function get_message_private($id = 0) {
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if($id == 0) { return 0; }
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$query = $this->db->query("SELECT `id` FROM " . TABLE_PRIVATE . " WHERE id=?", array($id));
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if(isset($query->row['id'])) { return 1; }
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return 0;
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}
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}
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