UploadCatch.php in UEditor - 百度编辑器 8

Namespace

Drupal\ueditor\Uploader

File

src/Uploader/UploadCatch.php

<?php

namespace Drupal\ueditor\Uploader;

use Drupal\ueditor\Uploader\Upload;

/**
 * Class UploadCatch
 * 图片远程抓取
 *
 * @package Drupal\ueditor\Uploader
 */
class UploadCatch extends Upload {
  public function doUpload() {
    $imgUrl = strtolower(str_replace("&amp;", "&", $this->config['imgUrl']));

    //http开头验证
    if (strpos($imgUrl, "http") !== 0) {
      $this->stateInfo = $this
        ->getStateInfo("ERROR_HTTP_LINK");
      return;
    }

    //获取请求头并检测死链
    $heads = get_headers($imgUrl);
    if (!(stristr($heads[0], "200") && stristr($heads[0], "OK"))) {
      $this->stateInfo = $this
        ->getStateInfo("ERROR_DEAD_LINK");
      return;
    }

    //格式验证(扩展名验证和Content-Type验证)
    $fileType = strtolower(strrchr($imgUrl, '.'));
    list($fileType, $vars) = explode('?', $fileType);
    if (!in_array($fileType, $this->config['allowFiles']) || stristr($heads['Content-Type'], "image")) {
      $this->stateInfo = $this
        ->getStateInfo("ERROR_HTTP_CONTENTTYPE");
      return;
    }

    //打开输出缓冲区并获取远程图片
    ob_start();
    $context = stream_context_create(array(
      'http' => array(
        'follow_location' => false,
      ),
    ));
    readfile($imgUrl, false, $context);
    $img = ob_get_contents();
    ob_end_clean();
    preg_match("/[\\/]([^\\/]*)[\\.]?[^\\.\\/]*\$/", $imgUrl, $m);
    $this->oriName = $m ? $m[1] : "";
    $this->fileSize = strlen($img);
    $this->fileType = $this
      ->getFileExt();
    $this->fullName = $this
      ->getFullName();
    $this->savePath = ueditor_get_savepath($this->fullName);
    $this->filePath = $this
      ->getFilePath();
    $this->fileName = $this
      ->getFileName();
    $dirname = dirname($this->filePath);

    //检查文件大小是否超出限制
    if (!$this
      ->checkSize($this->config['type'])) {
      $this->stateInfo = $this
        ->getStateInfo("ERROR_SIZE_EXCEED");
      return;
    }

    //创建目录失败
    if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) {
      $this->stateInfo = $this
        ->getStateInfo("ERROR_CREATE_DIR");
      return;
    }
    else {
      if (!is_writeable($dirname)) {
        $this->stateInfo = $this
          ->getStateInfo("ERROR_DIR_NOT_WRITEABLE");
        return;
      }
    }
    $filedata = $this
      ->savefileToDrupal($img, $this->savePath);

    //移动文件
    if ($filedata) {

      //移动成功
      $success = FALSE;
      $use_watermark = $this->global_settings['ueditor_watermark'];
      if ($use_watermark && $this->config['type'] == 'image') {
        $success = $this
          ->addWatermark($this->filePath);
      }
      else {
        $success = TRUE;
      }
      if ($success === TRUE) {
        $this->stateInfo = $this->stateMap[0];
      }
      else {
        $this->stateInfo = $this
          ->getStateInfo($success);
      }
    }
    else {

      //移动失败
      $this->stateInfo = $this
        ->getStateInfo("ERROR_WRITE_CONTENT");
    }
  }

}

Classes

Name	Description
UploadCatch	Class UploadCatch 图片远程抓取