installed plugin Infinite Uploads version 2.0.8

wp-content/plugins/infinite-uploads/inc/class-infinite-uploads-image-editor-imagick.php

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+<?php
+
+class Infinite_Uploads_Image_Editor_Imagick extends WP_Image_Editor_Imagick {
+
+	protected $temp_file_to_cleanup = null;
+
+	/**
+	 * Hold on to a reference of all temp local files.
+	 *
+	 * These are cleaned up on __destruct.
+	 *
+	 * @var array
+	 */
+	protected $temp_files_to_cleanup = [];
+
+	/**
+	 * Loads image from $this->file into new Imagick Object.
+	 *
+	 * @return true|WP_Error True if loaded; WP_Error on failure.
+	 */
+	public function load() {
+		if ( $this->image instanceof Imagick ) {
+			return true;
+		}
+
+		if ( ! is_file( $this->file ) && ! preg_match( '|^https?://|', $this->file ) ) {
+			return new WP_Error( 'error_loading_image', __( 'File doesn&#8217;t exist?' ), $this->file );
+		}
+
+		$upload_dir = wp_upload_dir();
+
+		if ( strpos( $this->file, $upload_dir['basedir'] ) !== 0 ) {
+			return parent::load();
+		}
+
+		$temp_filename = tempnam( get_temp_dir(), 'infinite-uploads' );
+		$this->temp_files_to_cleanup[] = $temp_filename;
+
+		copy( $this->file, $temp_filename );
+		$this->remote_filename = $this->file;
+		$this->file = $temp_filename;
+
+		$result = parent::load();
+
+		$this->file = $this->remote_filename;
+		return $result;
+	}
+
+	/**
+	 * Imagick by default can't handle iu:// paths
+	 * for saving images. We have instead save it to a file file,
+	 * then copy it to the iu:// path as a workaround.
+	 */
+	protected function _save( $image, $filename = null, $mime_type = null ) {
+		list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
+
+		if ( ! $filename ) {
+			$filename = $this->generate_filename( null, null, $extension );
+		}
+
+		$upload_dir = wp_upload_dir();
+
+		if ( strpos( $filename, $upload_dir['basedir'] ) === 0 ) {
+			$temp_filename = tempnam( get_temp_dir(), 'infinite-uploads' );
+		}
+
+		$save = parent::_save( $image, $temp_filename, $mime_type );
+
+		if ( is_wp_error( $save ) ) {
+			unlink( $temp_filename );
+			return $save;
+		}
+
+		$copy_result = copy( $save['path'], $filename );
+
+		unlink( $save['path'] );
+		unlink( $temp_filename );
+
+		if ( ! $copy_result ) {
+			return new WP_Error( 'unable-to-copy-to-s3', 'Unable to copy the temp image to the cloud' );
+		}
+
+		return [
+			'path'      => $filename,
+			'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
+			'width'     => $this->size['width'],
+			'height'    => $this->size['height'],
+			'mime-type' => $mime_type,
+		];
+	}
+
+	public function __destruct() {
+		array_map( 'unlink', $this->temp_files_to_cleanup );
+		parent::__destruct();
+	}
+}