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Gargron
420 Stars 74 Forks MIT License 169 Commits 5 Opened issues

Description

PHP FileUpload library that supports chunked uploads

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FileUpload

Build Status

PHP FileUpload library that supports chunked uploads. Adopted from the procedural script included with jQuery-File-Upload, designed to work with that JavaScript plugin, with normal forms, and to be embeddable into any application/architecture.

Installing

This package is available via Composer:

{
  "require": {
    "gargron/fileupload": "~1.4.0"
  }
}

Requirements

  • Ensure that the PHP extension "php_fileinfo" is enabled;

  • Your php.ini must have the next directive:

file_uploads = On

Status

The unit test suite covers simple uploads and the library "works on my machine", as it were. You are welcome to contribute.

You can grep the source code for

TODO
to find things you could help finishing.

Usage

// Simple validation (max file size 2MB and only two allowed mime types)
$validator = new FileUpload\Validator\Simple('2M', ['image/png', 'image/jpg']);

// Simple path resolver, where uploads will be put $pathresolver = new FileUpload\PathResolver\Simple('/my/uploads/dir');

// The machine's filesystem $filesystem = new FileUpload\FileSystem\Simple();

// FileUploader itself $fileupload = new FileUpload\FileUpload($_FILES['files'], $_SERVER);

// Adding it all together. Note that you can use multiple validators or none at all $fileupload->setPathResolver($pathresolver); $fileupload->setFileSystem($filesystem); $fileupload->addValidator($validator);

// Doing the deed list($files, $headers) = $fileupload->processAll();

// Outputting it, for example like this foreach($headers as $header => $value) { header($header . ': ' . $value); }

echo json_encode(['files' => $files]);

foreach($files as $file){ //Remeber to check if the upload was completed if ($file->completed) { echo $file->getRealPath();

    // Call any method on an SplFileInfo instance
    var_dump($file->isFile());
}

}

Alternative usage via factory

$factory = new FileUploadFactory(
    new PathResolver\Simple('/my/uploads/dir'), 
    new FileSystem\Simple(), 
    [
        new FileUpload\Validator\MimeTypeValidator(['image/png', 'image/jpg']),
        new FileUpload\Validator\SizeValidator('3M', '1M') 
        // etc
    ]
);

$instance = $factory->create($_FILES['files'], $_SERVER);

Validators

There are currently 4 validators shipped with

FileUpload
:
  • Simple
    ```php // Simple validation (max file size 2MB and only two allowed mime types) $validator = new FileUpload\Validator\Simple('2M', ['image/png', 'image/jpg']);
 - `MimeTypeValidator` 
 ```php
 $mimeTypeValidator = new FileUpload\Validator\MimeTypeValidator(['image/png', 'image/jpg']);
  • SizeValidator
    php
    // The 1st parameter is the maximum size while the 2nd is the minimum size
    $sizeValidator = new FileUpload\Validator\SizeValidator('3M', '1M');
    
  • DimensionValidator
    ```php $config = [ 'width' => 400, 'height' => 500 ]; // Can also contain 'minwidth', 'maxwidth', 'minheight' and 'maxheight'

$dimensionValidator = new FileUpload\Validator\DimensionValidator($config); ```

Remember to register new validator(s) by

$fileuploadInstance->addValidator($validator);

If you want you can use the common human readable format for filesizes like '1M', '1G', just pass the string as the first argument.

$validator = new FileUpload\Validator\Simple('10M', ['image/png', 'image/jpg']);

Here is a listing of the possible values (B => B; KB => K; MB => M; GB => G). These values are binary convention so basing on 1024.

FileNameGenerator

With the

FileNameGenerator
you have the possibility to change the filename the uploaded files will be saved as.
$fileupload = new FileUpload\FileUpload($_FILES['files'], $_SERVER);
$filenamegenerator = new FileUpload\FileNameGenerator\Simple();
$fileupload->setFileNameGenerator($filenamegenerator);
  • Custom
    php
    $customGenerator = new FileUpload\FileNameGenerator\Custom($provider);
    //$provider can be a string (in which case it is returned as is)
    //It can also be a callable or a closure which receives arguments in the other of $source_name, $type, $tmp_name, $index, $content_range, FileUpload $upload
    
  • MD5
    php
    $md5Generator = new FileUpload\FileNameGenerator\MD5($allowOverride);
    //$allowOverride should be a boolean. A true value would overwrite the file if it exists while a false value would not allow the file to be uploaded since it already exists.
    
  • Random
    ```php $randomGenerator = new FileUpload\FileNameGenerator\Random($length); //Where $length is the maximum length of the generator random name
- `Simple`
```php
$simpleGenerator = new FileUpload\FileNameGenerator\Simple();
//Saves a file by it's original name

  • Slug
    php
    $slugGenerator = new FileUpload\FileNameGenerator\Slug();
    //This generator slugifies the name of the uploaded file(s)
    
    > Remember to register new validator(s) by
    $fileuploadInstance->setFileNameGenerator($generator);

Every call to

setFileNameGenerator
overrides the currently set
$generator

Callbacks

Currently implemented events:

  • completed
    php
    $fileupload->addCallback('completed', function(FileUpload\File $file) {
    // Whoosh!
    });
    
  • beforeValidation
    php
    $fileUploader->addCallback('beforeValidation', function (FileUpload\File $file) {
    // About to validate the upload;
    });
    
  • afterValidation
    php
    $fileUploader->addCallback('afterValidation', function (FileUpload\File $file) {
    // Yay, we got only valid uploads
    });
    

Extending

The reason why the path resolver, the validators and the file system are abstracted, is so you can write your own, fitting your own needs (and also, for unit testing). The library is shipped with a bunch of "simple" implementations which fit the basic needs. You could write a file system implementation that works with Amazon S3, for example.

License

Licensed under the MIT license, see

LICENSE
file.

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