|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* slince upload handler library |
|
4
|
|
|
* @author Tao <[email protected]> |
|
5
|
|
|
*/ |
|
6
|
|
|
namespace Slince\Upload; |
|
7
|
|
|
|
|
8
|
|
|
use Slince\Upload\Exception\UploadException; |
|
9
|
|
|
use Slince\Upload\Rule\RuleInterface; |
|
10
|
|
|
use Slince\Upload\Rule\SystemRule; |
|
11
|
|
|
|
|
12
|
|
|
class Uploader |
|
13
|
|
|
{ |
|
14
|
|
|
/** |
|
15
|
|
|
* Whether to overwrite if there is a file with the same name |
|
16
|
|
|
* @var boolean |
|
17
|
|
|
*/ |
|
18
|
|
|
protected $override = false; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* The saved path of the uploaded files |
|
22
|
|
|
* @var string |
|
23
|
|
|
*/ |
|
24
|
|
|
protected $savePath = './'; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* Whether to enable random file name |
|
28
|
|
|
* @var boolean |
|
29
|
|
|
*/ |
|
30
|
|
|
protected $isRandName = false; |
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* The rules collection |
|
34
|
|
|
* @var RuleInterface[] |
|
35
|
|
|
*/ |
|
36
|
|
|
protected $rules = []; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* File name generator |
|
40
|
|
|
* @var callable |
|
41
|
|
|
*/ |
|
42
|
|
|
protected $filenameGenerator; |
|
43
|
|
|
|
|
44
|
|
|
public function __construct($path = './') |
|
45
|
|
|
{ |
|
46
|
|
|
$this->setSavePath($path); |
|
47
|
|
|
$this->addRule(new SystemRule()); |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* Sets override mode |
|
52
|
|
|
* @param boolean $override |
|
53
|
|
|
*/ |
|
54
|
|
|
public function setOverride($override) |
|
55
|
|
|
{ |
|
56
|
|
|
$this->override = $override; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Gets whether to enabled override mode |
|
61
|
|
|
* @return boolean |
|
62
|
|
|
*/ |
|
63
|
|
|
public function getOverride() |
|
64
|
|
|
{ |
|
65
|
|
|
return $this->override; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* Set saved path for uploaded files |
|
70
|
|
|
* @param string $path |
|
71
|
|
|
* @throws UploadException |
|
72
|
|
|
*/ |
|
73
|
|
|
public function setSavePath($path) |
|
74
|
|
|
{ |
|
75
|
|
|
if (!file_exists($path)) { |
|
76
|
|
|
@mkdir($path, 0777, true); |
|
|
|
|
|
|
77
|
|
|
} |
|
78
|
|
|
if (!is_dir($path)) { |
|
79
|
|
|
throw new UploadException(sprintf('Path "%s" is not valid', $path)); |
|
80
|
|
|
} |
|
81
|
|
|
$this->savePath = rtrim($path, '\\/') . DIRECTORY_SEPARATOR; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* Get the saved path of uploaded files |
|
86
|
|
|
* @return string |
|
87
|
|
|
*/ |
|
88
|
|
|
public function getSavePath() |
|
89
|
|
|
{ |
|
90
|
|
|
return $this->savePath; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* Sets whether to enable rand-name mode |
|
95
|
|
|
* @param $result |
|
96
|
|
|
*/ |
|
97
|
|
|
public function setRandName($result) |
|
98
|
|
|
{ |
|
99
|
|
|
$this->isRandName = (boolean)$result; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
/** |
|
103
|
|
|
* Sets whether to enable rand-name mode |
|
104
|
|
|
* @param boolean $result |
|
105
|
|
|
* @deprecated Use "setRandName" instead |
|
106
|
|
|
*/ |
|
107
|
|
|
public function setIsRandName($result) |
|
108
|
|
|
{ |
|
109
|
|
|
$this->setRandName($result); |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* Checks whether the rand-name mode is used |
|
114
|
|
|
* @return boolean |
|
115
|
|
|
*/ |
|
116
|
|
|
public function isRandName() |
|
117
|
|
|
{ |
|
118
|
|
|
return $this->isRandName; |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* Checks whether the rand-name mode is used |
|
123
|
|
|
* @return boolean |
|
124
|
|
|
* @deprecated Use "isRandName" instead |
|
125
|
|
|
*/ |
|
126
|
|
|
public function getIsRandName() |
|
127
|
|
|
{ |
|
128
|
|
|
return $this->isRandName(); |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
/** |
|
132
|
|
|
* Set filename generator |
|
133
|
|
|
* @param callable $generator |
|
134
|
|
|
*/ |
|
135
|
|
|
public function setFilenameGenerator(callable $generator) |
|
136
|
|
|
{ |
|
137
|
|
|
$this->filenameGenerator = $generator; |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
/** |
|
141
|
|
|
* Gets the current filename generator |
|
142
|
|
|
* @return string |
|
143
|
|
|
*/ |
|
144
|
|
|
public function getFilenameGenerator() |
|
145
|
|
|
{ |
|
146
|
|
|
if (is_null($this->filenameGenerator)) { |
|
147
|
|
|
$this->filenameGenerator = $this->isRandName ? $this->makeDefaultRandFilenameGenerator() |
|
148
|
|
|
: $this->makeDefaultOriginFilenameGenerator(); |
|
149
|
|
|
} |
|
150
|
|
|
return $this->filenameGenerator; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* Add a rule |
|
155
|
|
|
* @param RuleInterface $rule |
|
156
|
|
|
*/ |
|
157
|
|
|
public function addRule(RuleInterface $rule) |
|
158
|
|
|
{ |
|
159
|
|
|
$this->rules[] = $rule; |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
/** |
|
163
|
|
|
* Gets all rules |
|
164
|
|
|
* @return array |
|
165
|
|
|
*/ |
|
166
|
|
|
public function getRules() |
|
167
|
|
|
{ |
|
168
|
|
|
return (array)$this->rules; |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
/** |
|
172
|
|
|
* Process upload |
|
173
|
|
|
* @param array $files |
|
174
|
|
|
* @throws UploadException |
|
175
|
|
|
* @return FileInfo|FileInfo[]; |
|
|
|
|
|
|
176
|
|
|
*/ |
|
177
|
|
|
public function process($files) |
|
178
|
|
|
{ |
|
179
|
|
|
if (empty($files)) { |
|
180
|
|
|
throw new UploadException('File array is not valid'); |
|
181
|
|
|
} |
|
182
|
|
|
//multi files |
|
183
|
|
|
if (is_array($files['name'])) { |
|
184
|
|
|
$_files = []; |
|
185
|
|
|
foreach ($files['name'] as $key => $fileName) { |
|
186
|
|
|
$file = array( |
|
187
|
|
|
'error' => $files['error'][$key], |
|
188
|
|
|
'name' => $fileName, |
|
189
|
|
|
'size' => $files['size'][$key], |
|
190
|
|
|
'tmp_name' => $files['tmp_name'][$key], |
|
191
|
|
|
'type' => $files['type'][$key] |
|
192
|
|
|
); |
|
193
|
|
|
$_files[] = $this->processUpload($file); |
|
194
|
|
|
} |
|
195
|
|
|
return $_files; |
|
196
|
|
|
} else { |
|
197
|
|
|
return $this->processUpload($files); |
|
198
|
|
|
} |
|
199
|
|
|
} |
|
200
|
|
|
|
|
201
|
|
|
/** |
|
202
|
|
|
* Process the uploaded file |
|
203
|
|
|
* @param array $info |
|
204
|
|
|
* @return FileInfo; |
|
|
|
|
|
|
205
|
|
|
*/ |
|
206
|
|
|
protected function processUpload(array $info) |
|
207
|
|
|
{ |
|
208
|
|
|
$file = FileInfo::fromArray($info); |
|
209
|
|
|
if ($this->validateUploadedFile($file)) { |
|
210
|
|
|
$newFilePath = $this->generateFilename($file); |
|
211
|
|
|
$result = $this->moveUploadedFile($file, $newFilePath); |
|
212
|
|
|
if ($result) { |
|
213
|
|
|
$file->setPath($newFilePath); |
|
214
|
|
|
$file->setHasError(false); |
|
215
|
|
|
} else { |
|
216
|
|
|
$file->setHasError(true); |
|
217
|
|
|
} |
|
218
|
|
|
} |
|
219
|
|
|
return $file; |
|
220
|
|
|
} |
|
221
|
|
|
|
|
222
|
|
|
/** |
|
223
|
|
|
* Validates the uploaded file |
|
224
|
|
|
* @param FileInfo $file |
|
225
|
|
|
* @return boolean |
|
226
|
|
|
*/ |
|
227
|
|
|
protected function validateUploadedFile(FileInfo $file) |
|
228
|
|
|
{ |
|
229
|
|
|
foreach ($this->rules as $rule) { |
|
230
|
|
|
if (!$rule->validate($file)) { |
|
231
|
|
|
$file->setErrorCode($rule->getErrorCode()); |
|
232
|
|
|
$file->setErrorMsg($rule->getErrorMsg()); |
|
233
|
|
|
return false; |
|
234
|
|
|
} |
|
235
|
|
|
} |
|
236
|
|
|
return true; |
|
237
|
|
|
} |
|
238
|
|
|
|
|
239
|
|
|
/** |
|
240
|
|
|
* Moves the uploaded file |
|
241
|
|
|
* Illegal upload files and other unsolicited causes can not be moved to throw an exception |
|
242
|
|
|
* @param FileInfo $file |
|
243
|
|
|
* @param string $newFilePath |
|
244
|
|
|
* @return boolean |
|
245
|
|
|
* @throws UploadException |
|
246
|
|
|
*/ |
|
247
|
|
|
protected function moveUploadedFile(FileInfo $file, $newFilePath) |
|
248
|
|
|
{ |
|
249
|
|
|
$tmpName = $file->getTmpName(); |
|
250
|
|
|
if (is_uploaded_file($tmpName)) { |
|
251
|
|
|
if (!file_exists($newFilePath) || $this->override) { |
|
252
|
|
|
if (!@move_uploaded_file($tmpName, $newFilePath)) { |
|
253
|
|
|
throw new UploadException('Failed to move file'); |
|
254
|
|
|
} |
|
255
|
|
|
return true; |
|
256
|
|
|
} else { |
|
257
|
|
|
$file->setErrorCode(ErrorStore::ERROR_SAME_NAME_FILE); |
|
258
|
|
|
$file->setErrorMsg(sprintf('File "%s" already exists', $file->getOriginName())); |
|
259
|
|
|
return false; |
|
260
|
|
|
} |
|
261
|
|
|
} |
|
262
|
|
|
throw new UploadException('The uploaded file is invalid'); |
|
263
|
|
|
} |
|
264
|
|
|
|
|
265
|
|
|
/** |
|
266
|
|
|
* Makes default rand filename generator |
|
267
|
|
|
* @return callable |
|
268
|
|
|
*/ |
|
269
|
|
|
protected function makeDefaultRandFilenameGenerator() |
|
270
|
|
|
{ |
|
271
|
|
|
return function (FileInfo $file) { |
|
272
|
|
|
return $this->savePath . time() . rand(10, 99) . '.' . $file->getExtension(); |
|
273
|
|
|
}; |
|
274
|
|
|
} |
|
275
|
|
|
|
|
276
|
|
|
/** |
|
277
|
|
|
* Makes default origin filename generator |
|
278
|
|
|
* @return callable |
|
279
|
|
|
*/ |
|
280
|
|
|
protected function makeDefaultOriginFilenameGenerator() |
|
281
|
|
|
{ |
|
282
|
|
|
return function (FileInfo $file) { |
|
283
|
|
|
return $this->savePath . $file->getOriginName(); |
|
284
|
|
|
}; |
|
285
|
|
|
} |
|
286
|
|
|
|
|
287
|
|
|
/** |
|
288
|
|
|
* Generates an new file path |
|
289
|
|
|
* @param FileInfo $file |
|
290
|
|
|
* @return string |
|
291
|
|
|
*/ |
|
292
|
|
|
protected function generateFilename(FileInfo $file) |
|
293
|
|
|
{ |
|
294
|
|
|
$generator = $this->getFilenameGenerator(); |
|
295
|
|
|
$path = call_user_func($generator, $file); |
|
296
|
|
|
return $path; |
|
297
|
|
|
} |
|
298
|
|
|
} |
|
299
|
|
|
|
If you suppress an error, we recommend checking for the error condition explicitly: