contact-forms / classes / Element / File.php

File.php in Contact Forms by Cimatti 1.9.2, at classes/Element/File.php

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1	<?php
2	class AccuaForm_Element_File extends Element_File {
3	protected $destPath;
4	protected $alreadySubmittedText;
5	protected $validExtensions = array('txt','doc','rtf','pdf','jpg','jpeg','png','zip','gz','bz','bz2');
6	protected $maxSize;
7	protected $limitsText;
8	protected $errorsText;
9
10	public function __construct($label, $name, array $properties = null) {
11	$this->alreadySubmittedText = __("File already submitted.", 'contact-forms');
12	$this->limitsText = __("Maximum filesize: %size%. Allowed extensions: %extensions%.", 'contact-forms');
13	$this->errorsText = array(
14	'upload' => __('Upload failed, please retry. If the problem persists please contact us', 'contact-forms'),
15	'size' => __('Uploaded file is too big', 'contact-forms'),
16	'empty' => __('Uploaded file is empty', 'contact-forms'),
17	'name' => __('File name is not valid. Please rename it avoiding unusual characters', 'contact-forms'),
18	'ext' => __('File extension not allowed. Allowed extensions are %extensions%', 'contact-forms'),
19	);
20	$this->destPath = realpath(ABSPATH . '/wp-content/uploads/accua-forms').'/';
21	$this->maxSize = self::file_upload_max_size();
22	parent::__construct($label, $name, $properties);
23	}
24
25	public function __sleep() {
26	return array("attributes", "label", "validation", 'alreadySubmittedText', 'validExtensions', 'maxSize', 'limitsText', 'errorsText', 'destPath');
27	}
28
29	public function render() {
30	if(empty($this->attributes["value"])){
31	parent::render();
32	if ($this->limitsText !== ''){
33	if ($this->validExtensions) {
34	$validExtensions = implode(', ', $this->validExtensions);
35	} else {
36	$validExtensions = '*';
37	}
38	$search = array('%size%', '%extensions%');
39	$replace = array(self::format_size($this->maxSize),$validExtensions);
40	echo '<br /><small>', str_replace($search, $replace, $this->limitsText), '</small>';
41	}
42	} else {
43	echo $this->alreadySubmittedText;
44	}
45	}
46
47	public function getAlreadySubmittedText() {
48	return $this->alreadySubmittedText;
49	}
50
51	public static function format_size($size) {
52	if ($size >= 1073741824) {
53	return round($size/1073741824, 2).' GB';
54	} else if ($size >= 1048576) {
55	return round($size/1048576, 2).' MB';
56	} else if ($size >= 1024) {
57	return round($size/1024, 2).' KB';
58	} else if ($size > 0) {
59	return round($size).' B';
60	} else {
61	return '-';
62	}
63	}
64
65	public static function parse_size($value) {
66	$value = strtolower( trim( $value ) );
67	$bytes = (float) $value;
68
69	if ( false !== strpos( $value, 'g' ) ) {
70	$bytes = 1073741824; // 1024 1024 * 1024
71	} elseif ( false !== strpos( $value, 'm' ) ) {
72	$bytes = 1048576; // 1024 1024
73	} elseif ( false !== strpos( $value, 'k' ) ) {
74	$bytes *= 1024;
75	}
76
77	return min( $bytes, PHP_INT_MAX );
78	}
79
80	public static function file_upload_max_size() {
81	static $max_size = -1;
82
83	if ($max_size < 0) {
84	$max_size = wp_max_upload_size();
85	}
86	return $max_size;
87	}
88
89	public function setMaxSize($size) {
90	$phpMaxSize = self::file_upload_max_size();
91	$size = self::parse_size($size);
92	return $this->maxSize = ($phpMaxSize < $size) ? $phpMaxSize : $size;
93	}
94
95	public function setErrorsText($errors){
96	if(is_array($errors)) {
97	$this->errorsText = $errors + $this->errorsText;
98	}
99	}
100
101	public function setDestPath($path) {
102	if (substr($path,0,1) !== '/') {
103	$path = ABSPATH . '/' . $path;
104	}
105	if (!is_dir($path)){
106	@ mkdir($path, 0777, true);
107	}
108	return $this->destPath = realpath($path) . '/';
109	}
110
111	public function handle_upload($filedata){
112	$valid = true;
113	$file = array(
114	'dest_path' => $this->destPath,
115	);
116
117	if (!empty($filedata['error'])){
118	$valid = false;
119	switch($filedata['error']){
120	case UPLOAD_ERR_INI_SIZE:
121	case UPLOAD_ERR_FORM_SIZE:
122	$file['errors'][] = $this->errorsText['size'];
123	break;
124	default:
125	$file['errors'][] = $this->errorsText['upload'];
126	}
127	} else if ($filedata['size'] <= 0) {
128	$valid = false;
129	$file['errors'][] = $this->errorsText['empty'];
130	} else if ($this->maxSize > 0 && $filedata['size'] > $this->maxSize) {
131	$valid = false;
132	$file['errors'][] = $this->errorsText['size'];
133	} else {
134	$file['size'] = $filedata['size'];
135	}
136
137	if (isset($filedata['name']) && $filedata['name'] !== ''){
138	$file['name'] = $filedata['name'];
139	if ((strpos($file['name'], "\0") !== false) \|\| (strpbrk($file['name'], "\1\2\3\4\5\6\7\10\11\12\13\14\15\16\17\20\21\22\23\24\25\26\27\30\31\32\33\34\35\36\37\177\\/:*?\"<>\|") !== false) ) {
140	$valid = false;
141	$file['errors'][] = $this->errorsText['name'];
142	} else if ($this->validExtensions) {
143	$ext = strrchr($file['name'], '.');
144	$ext = ($ext === false) ? '' : strtolower(ltrim($ext, '.'));
145	if (!in_array($ext, $this->validExtensions, true)) {
146	$valid = false;
147	$file['errors'][] = str_replace('%extensions%', implode(', ',$this->validExtensions), $this->errorsText['ext']);
148	}
149	}
150	} else {
151	$file['name'] = '';
152	if ($valid) {
153	$valid = false;
154	$file['errors'][] = $this->errorsText['name'];
155	}
156	}
157
158	if ($valid) {
159	if (!is_dir($this->destPath)){
160	@ mkdir($this->destPath, 0777, true);
161	}
162
163	do {
164	$tmpname = 'tmp' . mt_rand() . '_' . $file['name'];
165	} while (is_file($this->destPath.$tmpname));
166
167	@ $valid = move_uploaded_file($filedata['tmp_name'], $this->destPath.$tmpname);
168	if ($valid) {
169	$file['tmp_name'] = $tmpname;
170	} else {
171	$file['errors'][] = $this->errorsText['upload'];
172	}
173
174	}
175
176	return $file;
177	}
178	}
179