upload.php

<?php
include_once("../config.php");
include_once("resizeimage.php");
error_reporting(E_ALL);
$user_id = $_SESSION['account'][0]->id;
$id = intval($_POST['id']);
$type = $_POST['type'];  //listing  //condo //community     //timeline

$standard_width = 1280;
$ratio = .70;

$store_path = ABSPATH."assets/files/";   //Official Directory for all Images
$store_type_path = $store_path.$type."/"; // Path of the type of Image
$store_type_source_path = $store_type_path.$id."/";// Individual Image Group Path
$store_db_path = $type."/".$id."/";
$allowed_ext = array('jpg', 'jpeg', 'png', 'gif', 'pdf','doc','xls','docx','xlsx','pps','pptx'); 

// Valida si no existe el directorio con el ID del member en la ruta /gdata/condoimages/
if (is_writable($store_path) && (!file_exists($store_type_path))) {
    if (!mkdir($store_type_path, 0777))
        die("Unable to create photo upload directory, please check permission in $store_path");
    chmod($store_type_path, 0777);
}
// Valida si no existe el directorio del condo la ruta /gdata/condoimages/ + el directorio del member
if (is_writable($store_type_path) && (!file_exists($store_type_source_path))) {
    if (!mkdir($store_type_source_path, 0777))
        die("Unable to create photo upload directory, please check permision in $store_path");
    chmod($store_type_source_path, 0777);
}


function ResizeImage($original,$new_name,$width,$height){

    $rimg = new RESIZEIMAGE($original);
    $rimg->resize_limitwh($width, $height, $new_name);
    $rimg->close();

}

if (strtolower($_SERVER['REQUEST_METHOD']) != 'post') {
    exit_status('Error! Wrong HTTP method!');
}

if (array_key_exists('pic', $_FILES) && $_FILES['pic']['error'] == 0) {

    $pic = $_FILES['pic'];
    $ext = get_extension($pic['name']);
    

    if (!in_array($ext, $allowed_ext)) {
        exit_status('Only ' . implode(',', $allowed_ext) . ' files are allowed!');
    }


    $unique_file_name = sanitizeFilename($pic['name']);
    $raw_file_name = substr($unique_file_name, 0, strpos($unique_file_name, "."));
    $db_alt_name = ucwords(preg_replace("/-/"," ",substr($pic['name'], 0, strpos($pic['name'], "."))));
    
    $small_unique_file_name = $raw_file_name . "-xs.$ext";
    $med_unique_file_name = $raw_file_name . "-md.$ext";
    $reg_unique_file_name = $raw_file_name . "-reg.$ext";
    $org_unique_file_name = $raw_file_name .".$ext";
    $thumb_unique_file_name = $raw_file_name . "-tmb.$ext";



    $image = array("name"   => $store_db_path.$unique_file_name,
                  "description" => $db_alt_name,
                  "user_id"    => $user_id,
                  $type."_id"   => $id
    );


    $file_path = $store_type_source_path."/";
    $original_file = $file_path.$org_unique_file_name;
    $response = $imagedb->addImage($image);

    if (!$response) {
        exit_status('something went wrong with your upload!');
    } else {
        // guardo en db -- entonces mover el archivo.
        if (move_uploaded_file($pic['tmp_name'], $original_file)) {
          if($ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif'){
            ResizeImage($original_file,$file_path.$reg_unique_file_name,$standard_width,floor($standard_width*$ratio));
            ResizeImage($original_file,$file_path.$med_unique_file_name,720,floor(720*$ratio));
            ResizeImage($original_file,$file_path.$small_unique_file_name,420,floor(420*$ratio));
            ResizeImage($original_file,$file_path.$thumb_unique_file_name,150,floor(150*$ratio));
          }

            MoveFilestoAWS($store_type_source_path);
            exit_status('File was uploaded...');
        }
    }


}

function MoveFilestoAWS($file_path){

    global $store_db_path;

    $adapter = new \League\Flysystem\Adapter\Local($file_path);
    $filesystem = new \League\Flysystem\Filesystem($adapter);

    $s3Client = \Aws\S3\S3Client::factory([
        'credentials' => [
            'key'       => AWS_ACCESS_KEY_ID,
            'secret'    => AWS_SECRET_ACCESS_KEY,
        ],
        'region' => 'us-east-1',
        'version' => 'latest'
    ]);

    $s3Adapter = new \League\Flysystem\AwsS3v3\AwsS3Adapter($s3Client, AWS_BUCKET_NAME);
    $s3 = new \League\Flysystem\Filesystem($s3Adapter,['visibility' => \League\Flysystem\AdapterInterface::VISIBILITY_PUBLIC]);

    $files = $filesystem->listContents();

    foreach($files as $f){

        try {
            if ($s3->has($store_db_path . $f['basename']))
                $s3->delete($store_db_path . $f['basename']);

            $upload = $s3->write($store_db_path . $f['basename'], $filesystem->read($f['path']));

            if ($upload) {
                $filesystem->delete($f['path']);
            }
        }catch (\Exception $e) {
            die($e->getMessage());
        }
    }

    rmdir($file_path);

}

exit_status('Something went wrong with your upload!');


// Helper functions

function exit_status ($str)
{
    echo json_encode(array('status' => $str));
    exit;
}

function get_extension ($file_name){
    $ext = explode('.', $file_name);
    $ext = array_pop($ext);
    return strtolower($ext);
}

function sanitizeFilename($f) {
    // a combination of various methods
    // we don't want to convert html entities, or do any url encoding
    // we want to retain the "essence" of the original file name, if possible
    // char replace table found at:
    // http://www.php.net/manual/en/function.strtr.php#98669
    $replace_chars = array(
        'Š'=>'S', 'š'=>'s', 'Ð'=>'Dj','Ž'=>'Z', 'ž'=>'z', 'À'=>'A', 'Á'=>'A', 'Â'=>'A', 'Ã'=>'A', 'Ä'=>'A',
        'Å'=>'A', 'Æ'=>'A', 'Ç'=>'C', 'È'=>'E', 'É'=>'E', 'Ê'=>'E', 'Ë'=>'E', 'Ì'=>'I', 'Í'=>'I', 'Î'=>'I',
        'Ï'=>'I', 'Ñ'=>'N', 'Ò'=>'O', 'Ó'=>'O', 'Ô'=>'O', 'Õ'=>'O', 'Ö'=>'O', 'Ø'=>'O', 'Ù'=>'U', 'Ú'=>'U',
        'Û'=>'U', 'Ü'=>'U', 'Ý'=>'Y', 'Þ'=>'B', 'ß'=>'Ss','à'=>'a', 'á'=>'a', 'â'=>'a', 'ã'=>'a', 'ä'=>'a',
        'å'=>'a', 'æ'=>'a', 'ç'=>'c', 'è'=>'e', 'é'=>'e', 'ê'=>'e', 'ë'=>'e', 'ì'=>'i', 'í'=>'i', 'î'=>'i',
        'ï'=>'i', 'ð'=>'o', 'ñ'=>'n', 'ò'=>'o', 'ó'=>'o', 'ô'=>'o', 'õ'=>'o', 'ö'=>'o', 'ø'=>'o', 'ù'=>'u',
        'ú'=>'u', 'û'=>'u', 'ý'=>'y', 'ý'=>'y', 'þ'=>'b', 'ÿ'=>'y', 'ƒ'=>'f'
    );
    $f = strtr($f, $replace_chars);
    // convert & to "and", @ to "at", and # to "number"
    $f = preg_replace(array('/[\&]/', '/[\@]/', '/[\#]/'), array('-and-', '-at-', '-number-'), $f);
    $f = preg_replace('/[^(\x20-\x7F)]*/','', $f); // removes any special chars we missed
    $f = str_replace(' ', '-', $f); // convert space to hyphen
    $f = str_replace('\'', '', $f); // removes apostrophes
    $f = preg_replace('/[^\w\-\.]+/', '', $f); // remove non-word chars (leaving hyphens and periods)
    $f = preg_replace('/[\-]+/', '-', $f); // converts groups of hyphens into one
    return strtolower($f);
}

?>