从laravel直接上传到s3

Question

我目前在宅基地使用laravel 5.1进行本地开发。我正在研究已建立的laravel源代码。我更改了文件系统配置以使用S3。我在将代码直接上传到s3或上传到s3时遇到问题。这是当前的代码：

<?php
class ImageHandler {

public static function uploadImage($image, $folder, $filename = '', $type = 'upload'){
    return call_user_func ( Config::get('site.media_upload_function'), array('image' => $image, 'folder' => $folder, 'filename' => $filename, 'type' => $type) );
}

public static function getImage($image, $size = ''){
    $img = ''; // placeholder image

    $image_url = Config::get('site.uploads_dir') . 'images/';

    if($size == ''){
        $img = $image;
    } else {

        switch($size){
            case 'large':
                $img = str_replace('.' . pathinfo($image, PATHINFO_EXTENSION), '-large.' . pathinfo($image, PATHINFO_EXTENSION), $image);
                break;
            case 'medium':
                $img = str_replace('.' . pathinfo($image, PATHINFO_EXTENSION), '-medium.' . pathinfo($image, PATHINFO_EXTENSION), $image);
                break;
            case 'small':
                $img = str_replace('.' . pathinfo($image, PATHINFO_EXTENSION), '-small.' . pathinfo($image, PATHINFO_EXTENSION), $image);
                break;
            default:
                $img = $image;
                break;
        }
    }

    return $image_url . $img;

}


public static function upload($args){

    // Lets get all these Arguments and assign them!
    $image = $args['image'];
    $folder = $args['folder'];
    $filename = $args['filename']; 
    $type = $args['type'];

    // Hey if the folder we want to put them in is images. Let's give them a month and year folder
    if($folder == 'images'){
        $month_year = date('FY').'/';
    } else {
        $month_year = '';
    }

    // Check it out! This is the upload folder
    $upload_folder = 'content/uploads/' . $folder . '/'.$month_year;


    if ( @getimagesize($image) ){

        // if the folder doesn't exist then create it.
        if (!file_exists($upload_folder)) {
            mkdir($upload_folder, 0777, true);
        }

        if($type =='upload'){

            $filename =  $image->getClientOriginalName();

            // if the file exists give it a unique name
            while (file_exists($upload_folder.$filename)) {
                $filename =  uniqid() . '-' . $filename;
            }


            $uploadSuccess = $image->move($upload_folder, $filename);

            if(strpos($filename, '.gif') > 0){
                $new_filename = str_replace('.gif', '-animation.gif', $filename);
                copy($upload_folder . $filename, $upload_folder . $new_filename);
            }

        } else if($type = 'url'){

            $file = file_get_contents($image);

            if(strpos($image, '.gif') > 0){
                $extension = '-animation.gif';
            } else {
                $extension = '.jpg';
            }


            $filename = $filename . $extension;

            if (file_exists($upload_folder.$filename)) {
                $filename =  uniqid() . '-' . $filename . $extension;
            }

            if(strpos($image, '.gif') > 0){
                file_put_contents($upload_folder.$filename, $file);
                $filename = str_replace('-animation.gif', '.gif', $filename);
            }

            file_put_contents($upload_folder.$filename, $file);

        }


        $settings = Setting::first();

        $img = Image::make($upload_folder . $filename);

        if($folder == 'images'){
            $img->resize(1280, null, function ($constraint) {
                $constraint->aspectRatio();
            });

            Image::make($upload_folder . $filename)->resize(960, null, function ($constraint) {
                $constraint->aspectRatio();
            })->save($upload_folder . pathinfo($filename, PATHINFO_FILENAME) . '-large.' . pathinfo($filename, PATHINFO_EXTENSION));

            Image::make($upload_folder . $filename)->resize(640, null, function ($constraint) {
                $constraint->aspectRatio();
            })->save($upload_folder . pathinfo($filename, PATHINFO_FILENAME) . '-medium.' . pathinfo($filename, PATHINFO_EXTENSION));

            Image::make($upload_folder . $filename)->resize(320, null, function ($constraint) {
                $constraint->aspectRatio();
            })->save($upload_folder . pathinfo($filename, PATHINFO_FILENAME) . '-small.' . pathinfo($filename, PATHINFO_EXTENSION));

        } else if($folder == 'avatars'){
            $img->resize(300, null, function ($constraint) {
                $constraint->aspectRatio();
            });
        }

        $img->save($upload_folder . $filename);

        return $month_year . $filename;

    } else {
        return false;
    }
}

如何编辑此代码以便将文件直接上传到我的s3存储桶？