mirror of
https://bitbucket.org/jsuto/piler.git
synced 2024-12-25 20:00:12 +01:00
673 lines
20 KiB
PHP
673 lines
20 KiB
PHP
<?php
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require 'Zend/Mime/Decode.php';
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require 'Zend/Exception.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 $verification = 0;
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public function get_boundary($line='') {
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$parts = explode(";", $line);
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for($i=0; $i<count($parts); $i++) {
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if(stristr($parts[$i], "boundary")) {
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$parts[$i] = preg_replace("/boundary\s{0,}=\s{0,}/i", "boundary=", $parts[$i]);
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$parts[$i] = preg_replace("/\"\;{0,1}/", "", $parts[$i]);
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$parts[$i] = preg_replace("/\'/", "", $parts[$i]);
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$b = explode("boundary=", $parts[$i]);
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return rtrim($b[count($b)-1]);
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}
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}
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return "";
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}
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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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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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$headers = '';
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$msg = $this->get_raw_message($id);
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Zend_Mime_Decode::splitMessageRaw($msg, $headers, $body);
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$has_journal = $this->remove_journal($headers);
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$headers = $this->escape_lt_gt_symbols($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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$data = '< >';
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$boundary = '';
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$msg = $this->get_raw_message($id);
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$hdr = substr($msg, 0, 8192);
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$s = preg_split("/\n/", $hdr);
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while(list($k, $v) = each($s)) {
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if(preg_match("/boundary\s{0,}=\s{0,}\"{0,}([\w\_\-\@\.]+)\"{0,}/i", $v, $m)) {
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if(isset($m[1])) { $boundary = $m[1]; break; }
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}
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}
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$p = strstr($msg, "\nX-MS-Journal-Report:");
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$msg = '';
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if($p) {
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$s = preg_split("/\n/", $p);
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$i=0; $j=0; $data = '';
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while(list($k, $v) = each($s)) {
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if(strstr($v, $boundary)) { $i++; }
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if($i > 0 && preg_match("/^\s{1,}$/", $v)) { $j++; }
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if($j == 1) {
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$data .= "$v\n";
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}
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if($i >= 2) { break; }
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}
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$p = '';
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$data = $this->escape_lt_gt_symbols($data);
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}
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return $data;
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}
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public function remove_journal(&$msg = '') {
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$p = $q = '';
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$boundary = '';
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$has_journal = 0;
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$hdr = substr($msg, 0, 4096);
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$s = preg_split("/\n/", $hdr);
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while(list($k, $v) = each($s)) {
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if(preg_match("/boundary\s{0,}=\s{0,}\"{0,}([\w\_\-\@\.]+)\"{0,}/i", $v, $m)) {
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if(isset($m[1])) { $boundary = $m[1]; break; }
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}
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}
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$p = strstr($msg, "\nX-MS-Journal-Report:");
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if($p) {
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$has_journal = 1;
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$msg = '';
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$q = strstr($p, "Received: from");
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if($q) {
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$p = '';
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$msg = $q;
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$q = '';
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}
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else {
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$msg = $p;
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$p = '';
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}
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if($boundary) {
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$msg = substr($msg, 0, strlen($msg) - strlen($boundary) - 6);
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}
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}
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return $has_journal;
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}
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public function extract_message($id = '', $terms = '') {
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$from = "From: ";
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$to = "To: ";
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$subject = "Subject: ";
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$date = "Date: ";
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$msg = $this->get_raw_message($id);
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$has_journal = $this->remove_journal($msg);
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Zend_Mime_Decode::splitMessage($msg, $headers, $body);
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$boundary = $this->get_boundary($headers['content-type']);
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if(is_array($headers['from'])) { $headers['from'] = $headers['from'][0]; }
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if(is_array($headers['to'])) { $headers['to'] = $headers['to'][0]; }
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if(is_array($headers['subject'])) { $headers['subject'] = $headers['subject'][0]; }
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if(is_array($headers['date'])) { $headers['date'] = $headers['date'][0]; }
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if(isset($headers['from'])) $from .= $this->escape_lt_gt_symbols($headers['from']);
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if(isset($headers['to'])) $to .= $this->escape_lt_gt_symbols($headers['to']);
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if(isset($headers['subject'])) $subject .= $this->escape_lt_gt_symbols($headers['subject']);
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if(isset($headers['date'])) $date .= $headers['date'];
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$this->message = array(
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'text/plain' => '',
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'text/html' => ''
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);
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$this->extract_textuals_from_mime_parts($headers, $body, $boundary);
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return array('from' => $from,
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'to' => $to,
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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' => $this->verification
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);
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}
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private function extract_textuals_from_mime_parts($headers = array(), $body = '', $boundary = '') {
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$mime_parts = array();
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if($boundary) {
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try {
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$mime_parts = Zend_Mime_Decode::splitMessageStruct($body, $boundary);
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}
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catch (Exception $e) {
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syslog(LOG_INFO, "Caught exception: " . $e->getMessage());
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}
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} else {
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$mime_parts[] = array('header' => $headers, 'body' => $body);
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}
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require_once DIR_SYSTEM . 'helper/HTMLPurifier.standalone.php';
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$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($config);
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for($i=0; $i<count($mime_parts); $i++) {
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$mime = array(
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'content-type' => '',
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'encoding' => ''
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);
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if(isset($mime_parts[$i]['header']['content-type'])) {
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$mime['content-type'] = Zend_Mime_Decode::splitContentType($mime_parts[$i]['header']['content-type']);
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}
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/*
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Fix the mime type for some emails having a single textual body part
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without the Content-type header.
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*/
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else if (count($mime_parts) == 1) {
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$mime['content-type']['type'] = 'text/plain';
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}
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if(in_array($mime['content-type']['type'], array('multipart/mixed', 'multipart/related', 'multipart/alternative')))
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$this->extract_textuals_from_mime_parts($mime_parts[$i]['header'], $mime_parts[$i]['body'], $mime['content-type']['boundary']);
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if(isset($mime_parts[$i]['header']['content-transfer-encoding']))
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$mime['encoding'] = $mime_parts[$i]['header']['content-transfer-encoding'];
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if(in_array($mime['content-type']['type'], array('text/plain', 'text/html')))
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$this->message[$mime['content-type']['type']] .= $this->fix_mime_body_part($purifier, $mime, $mime_parts[$i]['body']);
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}
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}
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private function fix_mime_body_part($purifier, $mime = array(), $body = '') {
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if($mime['encoding'] == 'quoted-printable')
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$body = Zend_Mime_Decode::decodeQuotedPrintable($body);
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if($mime['encoding'] == 'base64')
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$body = base64_decode($body);
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if(strtolower($mime['content-type']['charset']) != 'utf-8')
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$body = iconv($mime['content-type']['charset'], 'utf-8' . '//IGNORE', $body);
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if(strtolower($mime['content-type']['type']) == 'text/plain') {
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$body = $this->escape_lt_gt_symbols($body);
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$body = preg_replace("/\n/", "<br />\n", $body);
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$body = "\n" . $this->print_nicely($body);
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}
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if(strtolower($mime['content-type']['type']) == 'text/html') {
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$body = $purifier->purify($body);
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}
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return $body;
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}
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private function escape_lt_gt_symbols($s = '') {
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$s = preg_replace("/</", "<", $s);
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$s = preg_replace("/>/", ">", $s);
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return $s;
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}
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private function highlight_search_terms($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=\"message_highlight\">$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=\"message_highlight\">$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 $s;
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}
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private function print_nicely($chunk) {
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$k = 0;
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$nice_chunk = "";
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$x = explode(" ", $chunk);
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for($i=0; $i<count($x); $i++){
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$nice_chunk .= $x[$i] . " ";
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$k += strlen($x[$i]);
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if(strstr($x[$i], "\n")){ $k = 0; }
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if($k > 70){ $nice_chunk .= "\n"; $k = 0; }
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}
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return $nice_chunk;
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}
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public function NiceSize($size) {
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if($size < 1000) return "1k";
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if($size < 100000) return round($size/1000) . "k";
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return sprintf("%.1f", $size/1000000) . "M";
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}
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public function get_piler_id_by_id($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'];
|
|
$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;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|