222 lines
6.9 KiB
PHP
222 lines
6.9 KiB
PHP
<?php
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/**
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* tpshop
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* ============================================================================
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* 版权所有 2015-2027 深圳搜豹网络科技有限公司，并保留所有权利。
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* 网站地址: http://www.tp-shop.cn
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* ----------------------------------------------------------------------------
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* 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和使用 .
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* 不允许对程序代码以任何形式任何目的的再发布。
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* ============================================================================
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* Author: lhb
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* Date: 2017-05-19
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*/
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namespace app\common\logic;
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use OSS\OssClient;
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use OSS\Core\OssException;
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require_once './vendor/aliyun-oss-php-sdk/autoload.php';
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/**
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* Class OssLogic
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* 对象存储逻辑类
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*/
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class OssLogic
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{
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static private $initConfigFlag = false;
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static private $accessKeyId = '';
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static private $accessKeySecret = '';
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static private $endpoint = '';
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static private $bucket = '';
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/** @var \OSS\OssClient */
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static private $ossClient = null;
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static private $errorMsg = '';
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static private $waterPos = [
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1 => 'nw', //标识左上角水印
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2 => 'north', //标识上居中水印
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3 => 'ne', //标识右上角水印
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4 => 'west', //标识左居中水印
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5 => 'center', //标识居中水印
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6 => 'east', //标识右居中水印
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7 => 'sw', //标识左下角水印
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8 => 'south', //标识下居中水印
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9 => 'se', //标识右下角水印
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];
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public function __construct()
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{
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self::initConfig();
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}
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/**
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* 获取错误信息，一旦其他接口返回false时，可调用此接口查看具体错误信息
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* @return string
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*/
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public function getError()
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{
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return self::$errorMsg;
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}
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static private function initConfig()
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{
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if (self::$initConfigFlag) {
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return;
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}
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$c = [];
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$configItems = 'oss_key_id,oss_key_secret,oss_endpoint,oss_bucket';
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$config = M('config')->field('name,value')->where('name', 'IN', $configItems)->select();
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foreach ($config as $v) {
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$c[$v['name']] = $v['value'];
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}
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self::$accessKeyId = $c['oss_key_id'] ?: '';
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self::$accessKeySecret = $c['oss_key_secret'] ?: '';
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self::$endpoint = $c['oss_endpoint'] ?: '';
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self::$bucket = $c['oss_bucket'] ?: '';
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self::$initConfigFlag = true;
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}
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static private function getOssClient()
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{
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if (!self::$ossClient) {
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self::initConfig();
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try {
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self::$ossClient = new OssClient(self::$accessKeyId, self::$accessKeySecret, self::$endpoint, false);
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} catch (OssException $e) {
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self::$errorMsg = "创建oss对象失败，".$e->getMessage();
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return null;
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}
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}
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return self::$ossClient;
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}
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public function getSiteUrl()
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{
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return "http://" .self::$bucket . "." . self::$endpoint;
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}
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public function uploadFile($filePath, $object = null)
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{
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$ossClient = self::getOssClient();
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if (!$ossClient) {
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return false;
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}
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if (is_null($object)) {
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$object = $filePath;
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}
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try {
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$ossClient->uploadFile(self::$bucket, $object, $filePath);
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} catch (OssException $e) {
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self::$errorMsg = "oss上传文件失败，".$e->getMessage();
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return false;
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}
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return $this->getSiteUrl().'/'.$object;
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}
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/**
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* 获取商品图片的url
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* @param type $originalImg
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* @param type $width
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* @param type $height
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* @param type $defaultImg
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* @return type
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*/
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public function getGoodsThumbImageUrl($originalImg, $width, $height, $defaultImg = '')
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{
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if (!$this->isOssUrl($originalImg)) {
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return $defaultImg;
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}
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// 图片缩放（等比缩放）
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$url = $originalImg."?x-oss-process=image/resize,m_pad,h_$height,w_$width";
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$water = tpCache('water');
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if ($water['is_mark']) {
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if ($width > $water['mark_width'] && $height > $water['mark_height']) {
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if ($water['mark_type'] == 'img') {
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if ($this->isOssUrl($water['mark_img'])) {
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$url = $this->withImageWaterUrl($url, $water['mark_img'], $water['mark_degree'], $water['sel']);
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}
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} else {
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$url = $this->withTextWaterUrl($url, $water['mark_txt'], $water['mark_txt_size'], $water['mark_txt_color'], $water['mark_degree'], $water['sel']);
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}
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}
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}
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return $url;
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}
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/**
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* 获取商品相册的url
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* @param type $originalImg
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* @param type $width
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* @param type $height
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* @param type $defaultImg
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* @return type
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*/
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public function getGoodsAlbumThumbUrl($originalImg, $width, $height, $defaultImg = '')
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{
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if (!($originalImg && strpos($originalImg, 'http') === 0 && strpos($originalImg, 'aliyuncs.com'))) {
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return $defaultImg;
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}
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// 图片缩放（等比缩放）
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$url = $originalImg."?x-oss-process=image/resize,m_pad,h_$height,w_$width";
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return $url;
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}
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/**
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* 链接加上文本水印参数（文字水印(方针黑体，黑色)）
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* @param string $url
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* @param type $text
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* @param type $size
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* @param type $posSel
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* @return string
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*/
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private function withTextWaterUrl($url, $text, $size, $color, $transparency, $posSel)
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{
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$color = $color ?: '#000000';
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if (!preg_match('/^#[0-9a-fA-F]{6}$/', $color)) {
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$color = '#000000';
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}
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$color = ltrim($color, '#');
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$text_encode = urlsafe_b64encode($text);
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$url .= ",image/watermark,text_{$text_encode},type_ZmFuZ3poZW5naGVpdGk,color_{$color},size_{$size},t_{$transparency},g_" . self::$waterPos[$posSel];
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return $url;
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}
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/**
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* 链接加上图片水印参数
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* @param string $url
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* @param type $image
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* @param type $transparency
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* @param type $posSel
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* @return string
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*/
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private function withImageWaterUrl($url, $image, $transparency, $posSel)
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{
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$image = ltrim(parse_url($image, PHP_URL_PATH), '/');
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$image_encode = urlsafe_b64encode($image);
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$url .= ",image/watermark,image_{$image_encode},t_{$transparency},g_" . self::$waterPos[$posSel];
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return $url;
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}
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/**
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* 是否是oss的链接
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* @param type $url
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* @return boolean
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*/
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public function isOssUrl($url)
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{
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if ($url && strpos($url, 'http') === 0 && strpos($url, 'aliyuncs.com')) {
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return true;
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}
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return false;
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}
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} |