1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* @author Todd Burry <[email protected]> |
4
|
|
|
* @copyright 2009-2018 Vanilla Forums Inc. |
5
|
|
|
* @license MIT |
6
|
|
|
*/ |
7
|
|
|
|
8
|
|
|
namespace Garden\Schema; |
9
|
|
|
|
10
|
|
|
/** |
11
|
|
|
* An class for collecting validation errors. |
12
|
|
|
*/ |
13
|
|
|
class Validation { |
14
|
|
|
/** |
15
|
|
|
* @var array |
16
|
|
|
*/ |
17
|
|
|
private $errors = []; |
18
|
|
|
|
19
|
|
|
/** |
20
|
|
|
* @var string |
21
|
|
|
*/ |
22
|
|
|
private $mainMessage = ''; |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* @var int |
26
|
|
|
*/ |
27
|
|
|
private $mainNumber = 0; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* @var bool Whether or not fields should be translated. |
31
|
|
|
*/ |
32
|
|
|
private $translateFieldNames = false; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* Add an error. |
36
|
|
|
* |
37
|
|
|
* @param string $field The name and path of the field to add or an empty string if this is a global error. |
38
|
|
|
* @param string $error The message code. |
39
|
|
|
* @param array $options An array of additional information to add to the error entry or a numeric error code. |
40
|
|
|
* |
41
|
|
|
* - **messageCode**: A specific message translation code for the final error. |
42
|
82 |
|
* - **number**: An error number for the error. |
43
|
82 |
|
* - Error specific fields can be added to format a custom error message. |
44
|
|
|
* @return $this |
45
|
82 |
|
*/ |
46
|
|
|
public function addError(string $field, string $error, $options = []) { |
47
|
|
|
if (empty($error)) { |
48
|
|
|
throw new \InvalidArgumentException('The error code cannot be empty.', 500); |
49
|
82 |
|
} elseif (!in_array(gettype($options), ['integer', 'array'], true)) { |
50
|
82 |
|
throw new \InvalidArgumentException('$options must be an integer or array.', 500); |
51
|
|
|
} |
52
|
|
|
if (is_int($options)) { |
|
|
|
|
53
|
82 |
|
trigger_error('Passing an integer for $options in Validation::addError() is deprecated.', E_USER_DEPRECATED); |
54
|
2 |
|
$options = ['number' => $options]; |
55
|
2 |
|
} elseif (isset($options['status'])) { |
56
|
|
|
trigger_error('Validation::addError() expects $options[\'number\'], not $options[\'status\'].', E_USER_DEPRECATED); |
57
|
82 |
|
$options['number'] = $options['status']; |
58
|
1 |
|
unset($options['status']); |
59
|
1 |
|
} |
60
|
|
|
|
61
|
82 |
|
$row = ['error' => $error] + $options; |
62
|
82 |
|
$this->errors[$field][] = $row; |
63
|
|
|
|
64
|
|
|
return $this; |
65
|
82 |
|
} |
66
|
82 |
|
|
67
|
|
|
/** |
68
|
82 |
|
* Get the error number. |
69
|
4 |
|
* |
70
|
|
|
* The number is an HTTP response code and should be of the 4xx variety. |
71
|
79 |
|
* |
72
|
|
|
* @return int Returns an error number. |
73
|
|
|
*/ |
74
|
82 |
|
public function getNumber(): int { |
75
|
|
|
if ($status = $this->getMainNumber()) { |
76
|
82 |
|
return $status; |
77
|
|
|
} |
78
|
|
|
|
79
|
|
|
if ($this->isValid()) { |
80
|
|
|
return 200; |
81
|
|
|
} |
82
|
|
|
|
83
|
|
|
// There was no status so loop through the errors and look for the highest one. |
84
|
|
|
$maxNumber = 0; |
85
|
|
|
foreach ($this->getRawErrors() as $error) { |
86
|
75 |
|
if (isset($error['number']) && $error['number'] > $maxNumber) { |
87
|
75 |
|
$maxNumber = $error['number']; |
88
|
1 |
|
} |
89
|
|
|
} |
90
|
|
|
|
91
|
74 |
|
return $maxNumber?: 400; |
92
|
1 |
|
} |
93
|
|
|
|
94
|
|
|
/** |
95
|
|
|
* Get or set the error status code. |
96
|
73 |
|
* |
97
|
73 |
|
* The status code is an http response code and should be of the 4xx variety. |
98
|
73 |
|
* |
99
|
73 |
|
* @return int Returns the current status code. |
100
|
|
|
* @deprecated |
101
|
|
|
*/ |
102
|
|
|
public function getStatus(): int { |
103
|
73 |
|
trigger_error("Validation::getStatus() is deprecated. Use Validation::getNumber() instead.", E_USER_DEPRECATED); |
104
|
|
|
return $this->getNumber(); |
105
|
|
|
} |
106
|
|
|
|
107
|
|
|
/** |
108
|
|
|
* Get the message for this exception. |
109
|
|
|
* |
110
|
|
|
* @return string Returns the exception message. |
111
|
76 |
|
*/ |
112
|
76 |
|
public function getMessage(): string { |
113
|
1 |
|
if ($message = $this->getMainMessage()) { |
114
|
|
|
return $message; |
115
|
|
|
} |
116
|
75 |
|
|
117
|
|
|
return $this->getConcatMessage(); |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* Gets all of the errors as a flat array. |
122
|
|
|
* |
123
|
|
|
* The errors are internally stored indexed by field. This method flattens them for final error returns. |
124
|
|
|
* |
125
|
|
|
* @return array Returns all of the errors. |
126
|
4 |
|
*/ |
127
|
4 |
|
public function getErrors(): array { |
128
|
4 |
|
$result = []; |
129
|
4 |
|
foreach ($this->getRawErrors() as $field => $error) { |
130
|
|
|
$result[] = $this->pluckError(['field' => $field] + $error); |
131
|
4 |
|
} |
132
|
|
|
return $result; |
133
|
|
|
} |
134
|
|
|
|
135
|
|
|
/** |
136
|
|
|
* Get the errors for a specific field. |
137
|
|
|
* |
138
|
|
|
* @param string $field The full path to the field. |
139
|
|
|
* @return array Returns an array of errors. |
140
|
6 |
|
*/ |
141
|
6 |
|
public function getFieldErrors(string $field): array { |
142
|
|
|
if (empty($this->errors[$field])) { |
143
|
|
|
return []; |
144
|
6 |
|
} else { |
145
|
6 |
|
$result = []; |
146
|
6 |
|
foreach ($this->errors[$field] as $error) { |
147
|
|
|
$result[] = $this->pluckError($error + ['field' => $field]); |
148
|
6 |
|
} |
149
|
|
|
return $result; |
150
|
|
|
} |
151
|
|
|
} |
152
|
|
|
|
153
|
|
|
/** |
154
|
|
|
* Gets all of the errors as a flat array. |
155
|
|
|
* |
156
|
|
|
* The errors are internally stored indexed by field. This method flattens them for final error returns. |
157
|
|
|
* |
158
|
|
|
* @return \Traversable Returns all of the errors. |
159
|
103 |
|
*/ |
160
|
103 |
|
protected function getRawErrors() { |
161
|
79 |
|
foreach ($this->errors as $field => $errors) { |
162
|
79 |
|
foreach ($errors as $error) { |
163
|
|
|
yield $field => $error; |
164
|
|
|
} |
165
|
103 |
|
} |
166
|
|
|
} |
167
|
|
|
|
168
|
|
|
/** |
169
|
|
|
* Check whether or not the validation is free of errors. |
170
|
|
|
* |
171
|
|
|
* @return bool Returns true if there are no errors, false otherwise. |
172
|
210 |
|
*/ |
173
|
210 |
|
public function isValid(): bool { |
174
|
|
|
return empty($this->errors); |
175
|
|
|
} |
176
|
|
|
|
177
|
|
|
/** |
178
|
|
|
* Check whether or not a particular field is has errors. |
179
|
|
|
* |
180
|
|
|
* @param string $field The name of the field to check for validity. |
181
|
|
|
* @return bool Returns true if the field has no errors, false otherwise. |
182
|
107 |
|
*/ |
183
|
107 |
|
public function isValidField(string $field): bool { |
184
|
107 |
|
$result = empty($this->errors[$field]); |
185
|
|
|
return $result; |
186
|
|
|
} |
187
|
|
|
|
188
|
|
|
/** |
189
|
|
|
* Get the error count, optionally for a particular field. |
190
|
|
|
* |
191
|
|
|
* @param string $field The name of a field or an empty string for all errors. |
192
|
|
|
* @return int Returns the error count. |
193
|
57 |
|
*/ |
194
|
57 |
|
public function getErrorCount($field = '') { |
195
|
31 |
|
if (empty($field)) { |
196
|
32 |
|
return iterator_count($this->getRawErrors()); |
197
|
32 |
|
} elseif (empty($this->errors[$field])) { |
198
|
|
|
return 0; |
199
|
|
|
} else { |
200
|
|
|
return count($this->errors[$field]); |
201
|
|
|
} |
202
|
|
|
} |
203
|
|
|
|
204
|
|
|
/** |
205
|
|
|
* Get the error message for an error row. |
206
|
|
|
* |
207
|
|
|
* @param array $error The error row. |
208
|
|
|
* @return string Returns a formatted/translated error message. |
209
|
77 |
|
*/ |
210
|
77 |
|
private function formatErrorMessage(array $error) { |
211
|
71 |
|
if (isset($error['messageCode'])) { |
212
|
7 |
|
$messageCode = $error['messageCode']; |
213
|
|
|
} elseif (isset($error['message'])) { |
214
|
|
|
return $error['message']; |
215
|
7 |
|
} else { |
216
|
|
|
$messageCode = $error['error']; |
217
|
|
|
} |
218
|
|
|
|
219
|
77 |
|
// Massage the field name for better formatting. |
220
|
76 |
|
$msg = $this->formatMessage($messageCode, $error); |
221
|
76 |
|
return $msg; |
222
|
76 |
|
} |
223
|
1 |
|
|
224
|
|
|
/** |
225
|
76 |
|
* Format a value for output in a message. |
226
|
3 |
|
* |
227
|
|
|
* @param mixed $value The value to format. |
228
|
|
|
* @return string Returns the formatted value. |
229
|
|
|
*/ |
230
|
|
|
protected function formatValue($value): string { |
231
|
|
|
if (is_string($value) && mb_strlen($value) > 20) { |
232
|
3 |
|
$value = mb_substr($value, 0, 20).'…'; |
233
|
2 |
|
} |
234
|
|
|
|
235
|
|
|
if (is_scalar($value)) { |
236
|
77 |
|
return json_encode($value); |
237
|
77 |
|
} else { |
238
|
|
|
return $this->translate('value'); |
239
|
|
|
} |
240
|
|
|
} |
241
|
|
|
|
242
|
|
|
/** |
243
|
|
|
* Expand and translate a message format against an array of values. |
244
|
|
|
* |
245
|
|
|
* @param string $format The message format. |
246
|
|
|
* @param array $context The context arguments to apply to the message. |
247
|
77 |
|
* @return string Returns a formatted string. |
248
|
77 |
|
*/ |
249
|
|
|
private function formatMessage($format, $context = []) { |
250
|
|
|
$format = $this->translate($format); |
251
|
74 |
|
|
252
|
74 |
|
$msg = preg_replace_callback('`({[^{}]+})`', function ($m) use ($context) { |
253
|
74 |
|
$args = array_filter(array_map('trim', explode(',', trim($m[1], '{}')))); |
254
|
77 |
|
$field = array_shift($args); |
255
|
77 |
|
|
256
|
|
|
switch ($field) { |
257
|
|
|
case 'value': |
258
|
|
|
return $this->formatValue($context[$field] ?? null); |
259
|
|
|
case 'field': |
260
|
|
|
$field = $context['field'] ?: 'value'; |
261
|
|
|
if ($this->getTranslateFieldNames()) { |
262
|
|
|
return $this->translate($field); |
263
|
|
|
} else { |
264
|
|
|
return $field; |
265
|
74 |
|
} |
266
|
74 |
|
default: |
267
|
3 |
|
return $this->formatField(isset($context[$field]) ? $context[$field] : null, $args); |
268
|
74 |
|
} |
269
|
|
|
}, $format); |
270
|
74 |
|
return $msg; |
271
|
|
|
} |
272
|
74 |
|
|
273
|
73 |
|
/** |
274
|
18 |
|
* Translate an argument being placed in an error message. |
275
|
14 |
|
* |
276
|
5 |
|
* @param mixed $value The argument to translate. |
277
|
5 |
|
* @param array $args Formatting arguments. |
278
|
5 |
|
* @return string Returns the translated string. |
279
|
|
|
*/ |
280
|
|
|
private function formatField($value, array $args = []) { |
281
|
|
|
if ($value === null) { |
282
|
|
|
$r = $this->translate('null'); |
283
|
|
|
} elseif ($value === true) { |
284
|
|
|
$r = $this->translate('true'); |
285
|
74 |
|
} elseif ($value === false) { |
286
|
|
|
$r = $this->translate('false'); |
287
|
74 |
|
} elseif (is_string($value)) { |
288
|
10 |
|
$r = $this->translate($value); |
289
|
10 |
|
} elseif (is_numeric($value)) { |
290
|
10 |
|
$r = $value; |
291
|
10 |
|
} elseif (is_array($value)) { |
292
|
10 |
|
$argArray = array_map([$this, 'formatField'], $value); |
293
|
|
|
$r = implode(', ', $argArray); |
294
|
|
|
} elseif ($value instanceof \DateTimeInterface) { |
295
|
74 |
|
$r = $value->format('c'); |
296
|
|
|
} else { |
297
|
|
|
$r = $value; |
298
|
|
|
} |
299
|
|
|
|
300
|
|
|
$format = array_shift($args); |
301
|
|
|
switch ($format) { |
302
|
|
|
case 'plural': |
303
|
|
|
$singular = array_shift($args); |
304
|
|
|
$plural = array_shift($args) ?: $singular.'s'; |
305
|
|
|
$count = is_array($value) ? count($value) : $value; |
306
|
|
|
$r = $count == 1 ? $singular : $plural; |
307
|
78 |
|
break; |
308
|
78 |
|
} |
309
|
|
|
|
310
|
69 |
|
return (string)$r; |
311
|
|
|
} |
312
|
77 |
|
|
313
|
|
|
/** |
314
|
|
|
* Translate a string. |
315
|
|
|
* |
316
|
|
|
* This method doesn't do any translation itself, but is meant for subclasses wanting to add translation ability to |
317
|
|
|
* this class. |
318
|
|
|
* |
319
|
|
|
* @param string $str The string to translate. |
320
|
|
|
* @return string Returns the translated string. |
321
|
|
|
*/ |
322
|
|
|
public function translate(string $str): string { |
323
|
2 |
|
if (substr($str, 0, 1) === '@') { |
324
|
2 |
|
// This is a literal string that bypasses translation. |
325
|
|
|
return substr($str, 1); |
326
|
2 |
|
} else { |
327
|
2 |
|
return $str; |
328
|
2 |
|
} |
329
|
|
|
} |
330
|
2 |
|
|
331
|
1 |
|
/** |
332
|
|
|
* Merge another validation object with this one. |
333
|
1 |
|
* |
334
|
|
|
* @param Validation $validation The validation object to merge. |
335
|
2 |
|
* @param string $name The path to merge to. Use this parameter when the validation object is meant to be a subset of this one. |
336
|
|
|
* @return $this |
337
|
|
|
*/ |
338
|
|
|
public function merge(Validation $validation, $name = '') { |
339
|
2 |
|
$paths = $validation->errors; |
340
|
|
|
|
341
|
|
|
foreach ($paths as $path => $errors) { |
342
|
|
|
foreach ($errors as $error) { |
343
|
|
|
if (strlen($name) > 0) { |
344
|
|
|
// We are merging a sub-schema error that did not occur on a particular property of the sub-schema. |
345
|
|
|
if ($path === '') { |
346
|
|
|
$fullPath = $name; |
347
|
|
|
} else { |
348
|
|
|
$fullPath = "{$name}/{$path}"; |
349
|
|
|
} |
350
|
76 |
|
$this->addError($fullPath, $error['error'], $error); |
351
|
76 |
|
} |
352
|
|
|
} |
353
|
|
|
} |
354
|
|
|
return $this; |
355
|
|
|
} |
356
|
|
|
|
357
|
|
|
/** |
358
|
|
|
* Get the main error message. |
359
|
|
|
* |
360
|
1 |
|
* If set, this message will be returned as the error message. Otherwise the message will be set from individual |
361
|
1 |
|
* errors. |
362
|
1 |
|
* |
363
|
|
|
* @return string Returns the main message. |
364
|
|
|
*/ |
365
|
|
|
public function getMainMessage() { |
366
|
|
|
return $this->mainMessage; |
367
|
|
|
} |
368
|
|
|
|
369
|
|
|
/** |
370
|
75 |
|
* Set the main error message. |
371
|
75 |
|
* |
372
|
|
|
* @param string $message The new message. |
373
|
|
|
* @return $this |
374
|
|
|
*/ |
375
|
|
|
public function setMainMessage($message) { |
376
|
|
|
$this->mainMessage = $message; |
377
|
|
|
return $this; |
378
|
|
|
} |
379
|
|
|
|
380
|
1 |
|
/** |
381
|
1 |
|
* Get the main error number. |
382
|
1 |
|
* |
383
|
|
|
* @return int Returns an HTTP response code or zero to indicate it should be calculated. |
384
|
|
|
*/ |
385
|
|
|
public function getMainNumber(): int { |
386
|
|
|
return $this->mainNumber; |
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
/** |
390
|
77 |
|
* Set the main error number. |
391
|
77 |
|
* |
392
|
|
|
* @param int $status An HTTP response code or zero. |
393
|
|
|
* @return $this |
394
|
|
|
*/ |
395
|
|
|
public function setMainNumber(int $status) { |
396
|
|
|
$this->mainNumber = $status; |
397
|
|
|
return $this; |
398
|
|
|
} |
399
|
|
|
|
400
|
3 |
|
/** |
401
|
3 |
|
* Get the main error number. |
402
|
3 |
|
* |
403
|
|
|
* @return int Returns an HTTP response code or zero to indicate it should be calculated. |
404
|
|
|
* @deprecated |
405
|
|
|
*/ |
406
|
|
|
public function getMainStatus(): int { |
407
|
|
|
trigger_error("Validation::getMainStatus() is deprecated. Use Validation::getMainNumber() instead.", E_USER_DEPRECATED); |
408
|
|
|
return $this->mainNumber; |
409
|
|
|
} |
410
|
|
|
|
411
|
10 |
|
/** |
412
|
10 |
|
* Set the main error number. |
413
|
10 |
|
* |
414
|
10 |
|
* @param int $status An HTTP response code or zero. |
415
|
10 |
|
* @return $this |
416
|
|
|
* @deprecated |
417
|
10 |
|
*/ |
418
|
10 |
|
public function setMainStatus(int $status) { |
419
|
|
|
trigger_error("Validation::setMainStatus() is deprecated. Use Validation::getMainNumber() instead.", E_USER_DEPRECATED); |
420
|
|
|
$this->mainNumber = $status; |
421
|
|
|
return $this; |
422
|
|
|
} |
423
|
|
|
|
424
|
|
|
|
425
|
|
|
/** |
426
|
|
|
* Whether or not fields should be translated. |
427
|
75 |
|
* |
428
|
75 |
|
* @return bool Returns **true** if field names are translated or **false** otherwise. |
429
|
|
|
*/ |
430
|
|
|
public function getTranslateFieldNames() { |
431
|
75 |
|
return $this->translateFieldNames; |
432
|
75 |
|
} |
433
|
75 |
|
|
434
|
|
|
/** |
435
|
|
|
* Set whether or not fields should be translated. |
436
|
|
|
* |
437
|
75 |
|
* @param bool $translate Whether or not fields should be translated. |
438
|
75 |
|
* @return $this |
439
|
2 |
|
*/ |
440
|
|
|
public function setTranslateFieldNames($translate) { |
441
|
75 |
|
$this->translateFieldNames = $translate; |
442
|
|
|
return $this; |
443
|
75 |
|
} |
444
|
|
|
|
445
|
|
|
/** |
446
|
|
|
* Format a raw error row for consumption. |
447
|
|
|
* |
448
|
|
|
* @param array $error The error to format. |
449
|
|
|
* @return array Returns the error stripped of default values. |
450
|
|
|
*/ |
451
|
|
|
private function pluckError(array $error) { |
452
|
|
|
$row = array_intersect_key( |
453
|
|
|
$error, |
454
|
|
|
['field' => 1, 'error' => 1, 'number' => 1] |
455
|
|
|
) + ['number' => 400]; |
456
|
|
|
|
457
|
|
|
$row['message'] = $this->formatErrorMessage($error); |
458
|
|
|
return $row; |
459
|
|
|
} |
460
|
|
|
|
461
|
|
|
/** |
462
|
|
|
* Generate a global error string by concatenating field errors. |
463
|
|
|
* |
464
|
|
|
* @param string|null $field The name of a field to concatenate errors for. |
465
|
|
|
* @return string Returns an error message. |
466
|
|
|
*/ |
467
|
|
|
public function getConcatMessage($field = null): string { |
468
|
|
|
$sentence = $this->translate('%s.'); |
469
|
|
|
|
470
|
|
|
$errors = $field === null ? $this->getRawErrors() : ($this->errors[$field] ?? []); |
471
|
|
|
|
472
|
|
|
// Generate the message by concatenating all of the errors together. |
473
|
|
|
$messages = []; |
474
|
|
|
foreach ($errors as $field => $error) { |
475
|
|
|
$message = $this->formatErrorMessage($error + ['field' => $field]); |
476
|
|
|
if (preg_match('`\PP$`u', $message)) { |
477
|
|
|
$message = sprintf($sentence, $message); |
478
|
|
|
} |
479
|
|
|
$messages[] = $message; |
480
|
|
|
} |
481
|
|
|
return implode(' ', $messages); |
482
|
|
|
} |
483
|
|
|
} |
484
|
|
|
|