1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  * @package Nette\Http
  7:  */
  8: 
  9: 
 10: 
 11: /**
 12:  * Provides access to individual files that have been uploaded by a client.
 13:  *
 14:  * @author     David Grudl
 15:  *
 16:  * @property-read string $name
 17:  * @property-read string $sanitizedName
 18:  * @property-read string $contentType
 19:  * @property-read int $size
 20:  * @property-read string $temporaryFile
 21:  * @property-read int $error
 22:  * @property-read bool $ok
 23:  * @property-read bool $image
 24:  * @property-read array $imageSize
 25:  * @property-read string $contents
 26:  * @package Nette\Http
 27:  */
 28: class NHttpUploadedFile extends NObject
 29: {
 30:     /** @var string */
 31:     private $name;
 32: 
 33:     /** @var string */
 34:     private $type;
 35: 
 36:     /** @var string */
 37:     private $size;
 38: 
 39:     /** @var string */
 40:     private $tmpName;
 41: 
 42:     /** @var int */
 43:     private $error;
 44: 
 45: 
 46:     public function __construct($value)
 47:     {
 48:         foreach (array('name', 'type', 'size', 'tmp_name', 'error') as $key) {
 49:             if (!isset($value[$key]) || !is_scalar($value[$key])) {
 50:                 $this->error = UPLOAD_ERR_NO_FILE;
 51:                 return; // or throw exception?
 52:             }
 53:         }
 54:         $this->name = $value['name'];
 55:         $this->size = $value['size'];
 56:         $this->tmpName = $value['tmp_name'];
 57:         $this->error = $value['error'];
 58:     }
 59: 
 60: 
 61:     /**
 62:      * Returns the file name.
 63:      * @return string
 64:      */
 65:     public function getName()
 66:     {
 67:         return $this->name;
 68:     }
 69: 
 70: 
 71:     /**
 72:      * Returns the sanitized file name.
 73:      * @return string
 74:      */
 75:     public function getSanitizedName()
 76:     {
 77:         return trim(NStrings::webalize($this->name, '.', FALSE), '.-');
 78:     }
 79: 
 80: 
 81:     /**
 82:      * Returns the MIME content type of an uploaded file.
 83:      * @return string
 84:      */
 85:     public function getContentType()
 86:     {
 87:         if ($this->isOk() && $this->type === NULL) {
 88:             $this->type = NMimeTypeDetector::fromFile($this->tmpName);
 89:         }
 90:         return $this->type;
 91:     }
 92: 
 93: 
 94:     /**
 95:      * Returns the size of an uploaded file.
 96:      * @return int
 97:      */
 98:     public function getSize()
 99:     {
100:         return $this->size;
101:     }
102: 
103: 
104:     /**
105:      * Returns the path to an uploaded file.
106:      * @return string
107:      */
108:     public function getTemporaryFile()
109:     {
110:         return $this->tmpName;
111:     }
112: 
113: 
114:     /**
115:      * Returns the path to an uploaded file.
116:      * @return string
117:      */
118:     public function __toString()
119:     {
120:         return (string) $this->tmpName;
121:     }
122: 
123: 
124:     /**
125:      * Returns the error code. {@link http://php.net/manual/en/features.file-upload.errors.php}
126:      * @return int
127:      */
128:     public function getError()
129:     {
130:         return $this->error;
131:     }
132: 
133: 
134:     /**
135:      * Is there any error?
136:      * @return bool
137:      */
138:     public function isOk()
139:     {
140:         return $this->error === UPLOAD_ERR_OK;
141:     }
142: 
143: 
144:     /**
145:      * Move uploaded file to new location.
146:      * @param  string
147:      * @return self
148:      */
149:     public function move($dest)
150:     {
151:         @mkdir(dirname($dest), 0777, TRUE); // @ - dir may already exist
152:         @unlink($dest); // @ - file may not exists
153:         if (!call_user_func(is_uploaded_file($this->tmpName) ? 'move_uploaded_file' : 'rename', $this->tmpName, $dest)) {
154:             throw new InvalidStateException("Unable to move uploaded file '$this->tmpName' to '$dest'.");
155:         }
156:         chmod($dest, 0666);
157:         $this->tmpName = $dest;
158:         return $this;
159:     }
160: 
161: 
162:     /**
163:      * Is uploaded file GIF, PNG or JPEG?
164:      * @return bool
165:      */
166:     public function isImage()
167:     {
168:         return in_array($this->getContentType(), array('image/gif', 'image/png', 'image/jpeg'), TRUE);
169:     }
170: 
171: 
172:     /**
173:      * Returns the image.
174:      * @return NImage
175:      */
176:     public function toImage()
177:     {
178:         return NImage::fromFile($this->tmpName);
179:     }
180: 
181: 
182:     /**
183:      * Returns the dimensions of an uploaded image as array.
184:      * @return array
185:      */
186:     public function getImageSize()
187:     {
188:         return $this->isOk() ? @getimagesize($this->tmpName) : NULL; // @ - files smaller than 12 bytes causes read error
189:     }
190: 
191: 
192:     /**
193:      * Get file contents.
194:      * @return string
195:      */
196:     public function getContents()
197:     {
198:         // future implementation can try to work around safe_mode and open_basedir limitations
199:         return $this->isOk() ? file_get_contents($this->tmpName) : NULL;
200:     }
201: 
202: }
203: