UploadedFile::fileExtension() - Code Metrics - Inspection of "Feature: PSR-7 upload validator" - auraphp/Aura.Filter - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — 2.x (#118)

by jake

created 2016-04-10 23:14 UTC

UploadedFile::fileExtension() A

↳ Parent: UploadedFile

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	6
ccs	4
cts	4
cp	1
rs	9.4285
cc	1
eloc	4
nc	1
nop	2
crap	1

<?php
/**
 *
 * This file is part of Aura for PHP.
 *
 * @license http://opensource.org/licenses/bsd-license.php BSD
 *
 */
namespace Aura\Filter\Rule\Validate;

use Psr\Http\Message\UploadedFileInterface;

/**
 *
 * Validates that the value is a PSR7 UploadedFile with various properties
 *
 * @package Aura.Filter
 *
 */
class UploadedFile
{

    const REQUIRED       = 'required';
    const FILE_EXTENSION = 'fileExtension';
    const FILE_MEDIA     = 'fileMedia';
    const SIZE_MAX       = 'sizeMax';
    const SIZE_MIN       = 'sizeMin';

    protected $rules = array(
        self::REQUIRED,
        self::FILE_EXTENSION,
        self::FILE_MEDIA,
        self::SIZE_MAX,
        self::SIZE_MIN,
    );


    /**
     *
     * Validates the presenece and properites if a PSR7 FileUploadInterface
     *
     * valid options:
     *  - required      : bool require file is uploaded
     *  - fileExtension : array or strign of acceptable file extensions
     *  - fileMedia     : array or strign of acceptable file media types
     *  - sizeMax       : bytes or human readable string
     *  - sizeMin       : bytes or human readable string
     *
     * @param object $subject The subject to be filtered.
     *
     * @param string $field The subject field name.
     *
     * @return bool True if valid, false if not.
     *
     */
    public function __invoke($subject, $field, array $options)
    {
        $value = $subject->$field;

        if (! $this->isRequired($options)
            && ! $this->fileWasUploaded($value)
        ) {
            return true;
        }

        foreach ($this->rules as $rule) {
            if (array_key_exists($rule, $options)) {
                if (! $this->$rule($value, $options[$rule])) {
                    return false;
                }
            }
        }
        // looks like we're ok!
        return true;
    }

    /**
     * If the file required to be uploaded?
     *
     * @param array $options the options passed tot the filter
     *
     * @return bool
     *
     * @access protected
     */
    protected function isRequired(array $options)
    {
        return (
            isset($options[self::REQUIRED])
            && $options[self::REQUIRED] == true
        );
    }

    /**
     * Is value an instance of a PSR7 UploadedFileInterface?
     *
     * @param mixed $value value being validated
     *
     * @return bool
     *
     * @access protected
     */
    protected function isUploadedFile($value)
    {
        return ($value instanceof UploadedFileInterface);
    }

    /**
     * Was a file uploaded ?
     *
     * @param mixed $value value being validated
     *
     * @return bool
     *
     * @access protected
     */
    protected function fileWasUploaded($value)
    {
        if (! $this->isUploadedFile($value)) {
            return false;
        }

        if ($value->getError() !==  UPLOAD_ERR_OK) {
            return false;
        }

        return true;
    }

    /**
     * Required Rule Test
     *
     * @param mixed $value  value being validated
     * @param bool  $option if the file is required
     *
     * @return bool
     *
     * @access protected
     */
    protected function required($value, $option)
    {
        if ($option === false) {
            return true;
        }

        return $this->fileWasUploaded($value);
    }

    /**
     * FileExtension Rule Test
     *
     * @param mixed        $value value being validated
     * @param string|array $exts  array or string of valid extensions
     *
     * @return bool
     *
     * @access protected
     */
    protected function fileExtension($value, $exts)
    {
        $filename = $value->getClientFilename();
        $ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
        return in_array($ext, array_map('strtolower', (array) $exts));
    }

    /**
     * FileMedia Rule Test
     *
     * @param mixed        $value  value being validated
     * @param string|array $medias array or string of valid media types
     *
     * @return bool
     *
     * @access protected
     */
    protected function fileMedia($value, $medias)
    {
        $media = $value->getClientMediaType();
        return in_array($media, (array) $medias);
    }

    /**
     * SizeMax Rule Test
     *
     * @param mixed $value value being validated
     * @param mixed $max   maximum file size
     *
     * @return bool
     *
     * @access protected
     */
    protected function sizeMax($value, $max)
    {
        $size = $value->getSize();
        return $size < $this->parseHumanSize($max);
    }

    /**
     * SizeMin
     *
     * @param mixed $value value being validated
     * @param mixed $min   minimum file size
     *
     * @return mixed
     *
     * @access protected
     */
    protected function sizeMin($value, $min)
    {
        $size = $value->getSize();
        return $size > $this->parseHumanSize($min);
    }

    /**
     * Parse human readable size to bytes
     *
     * @param mixed $size size indicator
     *
     * @return double|int
     *
     * @access public
     */
    public function parseHumanSize($size)
    {
        $number = substr($size, 0, -2);
        switch(strtoupper(substr($size, -2))){
        case "KB":
            return $number * 1024;
        case "MB":
            return $number * pow(1024, 2);
        case "GB":
            return $number * pow(1024, 3);
        case "TB":
            return $number * pow(1024, 4);
        case "PB":
            return $number * pow(1024, 5);
        default:
            return $size;
        }
    }
}


1		<?php
2		/**
3		*
4		* This file is part of Aura for PHP.
5		*
6		* @license http://opensource.org/licenses/bsd-license.php BSD
7		*
8		*/
9		namespace Aura\Filter\Rule\Validate;
10
11		use Psr\Http\Message\UploadedFileInterface;
12
13		/**
14		*
15		* Validates that the value is a PSR7 UploadedFile with various properties
16		*
17		* @package Aura.Filter
18		*
19		*/
20		class UploadedFile
21		{
22
23		const REQUIRED = 'required';
24		const FILE_EXTENSION = 'fileExtension';
25		const FILE_MEDIA = 'fileMedia';
26		const SIZE_MAX = 'sizeMax';
27		const SIZE_MIN = 'sizeMin';
28
29		protected $rules = array(
30		self::REQUIRED,
31		self::FILE_EXTENSION,
32		self::FILE_MEDIA,
33		self::SIZE_MAX,
34		self::SIZE_MIN,
35		);
36
37
38		/**
39		*
40		* Validates the presenece and properites if a PSR7 FileUploadInterface
41		*
42		* valid options:
43		* - required : bool require file is uploaded
44		* - fileExtension : array or strign of acceptable file extensions
45		* - fileMedia : array or strign of acceptable file media types
46		* - sizeMax : bytes or human readable string
47		* - sizeMin : bytes or human readable string
48		*
49		* @param object $subject The subject to be filtered.
50		*
51		* @param string $field The subject field name.
52		*
53		* @return bool True if valid, false if not.
54		*
55		*/
56	25	public function __invoke($subject, $field, array $options)
57		{
58	25	$value = $subject->$field;
59
60	25	if (! $this->isRequired($options)
61	25	&& ! $this->fileWasUploaded($value)
62	25	) {
63	5	return true;
64		}
65
66	20	foreach ($this->rules as $rule) {
67	20	if (array_key_exists($rule, $options)) {
68	20	if (! $this->$rule($value, $options[$rule])) {
69	10	return false;
70		}
71	10	}
72	18	}
73		// looks like we're ok!
74	10	return true;
75		}
76
77		/**
78		* If the file required to be uploaded?
79		*
80		* @param array $options the options passed tot the filter
81		*
82		* @return bool
83		*
84		* @access protected
85		*/
86	25	protected function isRequired(array $options)
87		{
88		return (
89	25	isset($options[self::REQUIRED])
90	25	&& $options[self::REQUIRED] == true
91	25	);
92		}
93
94		/**
95		* Is value an instance of a PSR7 UploadedFileInterface?
96		*
97		* @param mixed $value value being validated
98		*
99		* @return bool
100		*
101		* @access protected
102		*/
103	25	protected function isUploadedFile($value)
104		{
105	25	return ($value instanceof UploadedFileInterface);
106		}
107
108		/**
109		* Was a file uploaded ?
110		*
111		* @param mixed $value value being validated
112		*
113		* @return bool
114		*
115		* @access protected
116		*/
117	25	protected function fileWasUploaded($value)
118		{
119	25	if (! $this->isUploadedFile($value)) {
120	1	return false;
121		}
122
123	24	if ($value->getError() !== UPLOAD_ERR_OK) {
124	6	return false;
125		}
126
127	18	return true;
128		}
129
130		/**
131		* Required Rule Test
132		*
133		* @param mixed $value value being validated
134		* @param bool $option if the file is required
135		*
136		* @return bool
137		*
138		* @access protected
139		*/
140	4	protected function required($value, $option)
141		{
142	4	if ($option === false) {
143	1	return true;
144		}
145
146	3	return $this->fileWasUploaded($value);
147		}
148
149		/**
150		* FileExtension Rule Test
151		*
152		* @param mixed $value value being validated
153		* @param string\|array $exts array or string of valid extensions
154		*
155		* @return bool
156		*
157		* @access protected
158		*/
159	4	protected function fileExtension($value, $exts)
160		{
161	4	$filename = $value->getClientFilename();
162	4	$ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
163	4	return in_array($ext, array_map('strtolower', (array) $exts));
164		}
165
166		/**
167		* FileMedia Rule Test
168		*
169		* @param mixed $value value being validated
170		* @param string\|array $medias array or string of valid media types
171		*
172		* @return bool
173		*
174		* @access protected
175		*/
176	4	protected function fileMedia($value, $medias)
177		{
178	4	$media = $value->getClientMediaType();
179	4	return in_array($media, (array) $medias);
180		}
181
182		/**
183		* SizeMax Rule Test
184		*
185		* @param mixed $value value being validated
186		* @param mixed $max maximum file size
187		*
188		* @return bool
189		*
190		* @access protected
191		*/
192	4	protected function sizeMax($value, $max)
193		{
194	4	$size = $value->getSize();
195	4	return $size < $this->parseHumanSize($max);
196		}
197
198		/**
199		* SizeMin
200		*
201		* @param mixed $value value being validated
202		* @param mixed $min minimum file size
203		*
204		* @return mixed
205		*
206		* @access protected
207		*/
208	4	protected function sizeMin($value, $min)
209		{
210	4	$size = $value->getSize();
211	4	return $size > $this->parseHumanSize($min);
212		}
213
214		/**
215		* Parse human readable size to bytes
216		*
217		* @param mixed $size size indicator
218		*
219		* @return double\|int
220		*
221		* @access public
222		*/
223	9	public function parseHumanSize($size)
224		{
225	9	$number = substr($size, 0, -2);
226	9	switch(strtoupper(substr($size, -2))){
227	9	case "KB":
228	4	return $number * 1024;
229	6	case "MB":
230	2	return $number * pow(1024, 2);
231	5	case "GB":
232	1	return $number * pow(1024, 3);
233	5	case "TB":
234	1	return $number * pow(1024, 4);
235	5	case "PB":
236	1	return $number * pow(1024, 5);
237	4	default:
238	4	return $size;
239	4	}
240		}
241		}
242

auraphp / Aura.Filter

Pull Request — 2.x (#118)

UploadedFile::fileExtension() A

Complexity

Size

Duplication

Code Coverage

Importance

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