1 | <?php |
---|
2 | // +-----------------------------------------------------------------------+ |
---|
3 | // | Piwigo - a PHP based photo gallery | |
---|
4 | // +-----------------------------------------------------------------------+ |
---|
5 | // | Copyright(C) 2008-2013 Piwigo Team http://piwigo.org | |
---|
6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
---|
7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
---|
8 | // +-----------------------------------------------------------------------+ |
---|
9 | // | This program is free software; you can redistribute it and/or modify | |
---|
10 | // | it under the terms of the GNU General Public License as published by | |
---|
11 | // | the Free Software Foundation | |
---|
12 | // | | |
---|
13 | // | This program is distributed in the hope that it will be useful, but | |
---|
14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
---|
15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
---|
16 | // | General Public License for more details. | |
---|
17 | // | | |
---|
18 | // | You should have received a copy of the GNU General Public License | |
---|
19 | // | along with this program; if not, write to the Free Software | |
---|
20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
---|
21 | // | USA. | |
---|
22 | // +-----------------------------------------------------------------------+ |
---|
23 | |
---|
24 | /**** WEB SERVICE CORE CLASSES************************************************ |
---|
25 | * PwgServer - main object - the link between web service methods, request |
---|
26 | * handler and response encoder |
---|
27 | * PwgRequestHandler - base class for handlers |
---|
28 | * PwgResponseEncoder - base class for response encoders |
---|
29 | * PwgError, PwgNamedArray, PwgNamedStruct - can be used by web service functions |
---|
30 | * as return values |
---|
31 | */ |
---|
32 | |
---|
33 | |
---|
34 | define( 'WS_PARAM_ACCEPT_ARRAY', 0x010000 ); |
---|
35 | define( 'WS_PARAM_FORCE_ARRAY', 0x030000 ); |
---|
36 | define( 'WS_PARAM_OPTIONAL', 0x040000 ); |
---|
37 | |
---|
38 | define( 'WS_TYPE_BOOL', 0x01 ); |
---|
39 | define( 'WS_TYPE_INT', 0x02 ); |
---|
40 | define( 'WS_TYPE_FLOAT', 0x04 ); |
---|
41 | define( 'WS_TYPE_POSITIVE', 0x10 ); |
---|
42 | define( 'WS_TYPE_NOTNULL', 0x20 ); |
---|
43 | define( 'WS_TYPE_ID', WS_TYPE_INT | WS_TYPE_POSITIVE | WS_TYPE_NOTNULL); |
---|
44 | |
---|
45 | define( 'WS_ERR_INVALID_METHOD', 501 ); |
---|
46 | define( 'WS_ERR_MISSING_PARAM', 1002 ); |
---|
47 | define( 'WS_ERR_INVALID_PARAM', 1003 ); |
---|
48 | |
---|
49 | define( 'WS_XML_ATTRIBUTES', 'attributes_xml_'); |
---|
50 | |
---|
51 | /** |
---|
52 | * PwgError object can be returned from any web service function implementation. |
---|
53 | */ |
---|
54 | class PwgError |
---|
55 | { |
---|
56 | private $_code; |
---|
57 | private $_codeText; |
---|
58 | |
---|
59 | function PwgError($code, $codeText) |
---|
60 | { |
---|
61 | if ($code>=400 and $code<600) |
---|
62 | { |
---|
63 | set_status_header($code, $codeText); |
---|
64 | } |
---|
65 | |
---|
66 | $this->_code = $code; |
---|
67 | $this->_codeText = $codeText; |
---|
68 | } |
---|
69 | |
---|
70 | function code() { return $this->_code; } |
---|
71 | function message() { return $this->_codeText; } |
---|
72 | } |
---|
73 | |
---|
74 | /** |
---|
75 | * Simple wrapper around an array (keys are consecutive integers starting at 0). |
---|
76 | * Provides naming clues for xml output (xml attributes vs. xml child elements?) |
---|
77 | * Usually returned by web service function implementation. |
---|
78 | */ |
---|
79 | class PwgNamedArray |
---|
80 | { |
---|
81 | /*private*/ var $_content; |
---|
82 | /*private*/ var $_itemName; |
---|
83 | /*private*/ var $_xmlAttributes; |
---|
84 | |
---|
85 | /** |
---|
86 | * Constructs a named array |
---|
87 | * @param arr array (keys must be consecutive integers starting at 0) |
---|
88 | * @param itemName string xml element name for values of arr (e.g. image) |
---|
89 | * @param xmlAttributes array of sub-item attributes that will be encoded as |
---|
90 | * xml attributes instead of xml child elements |
---|
91 | */ |
---|
92 | function PwgNamedArray($arr, $itemName, $xmlAttributes=array() ) |
---|
93 | { |
---|
94 | $this->_content = $arr; |
---|
95 | $this->_itemName = $itemName; |
---|
96 | $this->_xmlAttributes = array_flip($xmlAttributes); |
---|
97 | } |
---|
98 | } |
---|
99 | /** |
---|
100 | * Simple wrapper around a "struct" (php array whose keys are not consecutive |
---|
101 | * integers starting at 0). Provides naming clues for xml output (what is xml |
---|
102 | * attributes and what is element) |
---|
103 | */ |
---|
104 | class PwgNamedStruct |
---|
105 | { |
---|
106 | /*private*/ var $_content; |
---|
107 | /*private*/ var $_xmlAttributes; |
---|
108 | |
---|
109 | /** |
---|
110 | * Constructs a named struct (usually returned by web service function |
---|
111 | * implementation) |
---|
112 | * @param name string - containing xml element name |
---|
113 | * @param content array - the actual content (php array) |
---|
114 | * @param xmlAttributes array - name of the keys in $content that will be |
---|
115 | * encoded as xml attributes (if null - automatically prefer xml attributes |
---|
116 | * whenever possible) |
---|
117 | */ |
---|
118 | function PwgNamedStruct($content, $xmlAttributes=null, $xmlElements=null ) |
---|
119 | { |
---|
120 | $this->_content = $content; |
---|
121 | if ( isset($xmlAttributes) ) |
---|
122 | { |
---|
123 | $this->_xmlAttributes = array_flip($xmlAttributes); |
---|
124 | } |
---|
125 | else |
---|
126 | { |
---|
127 | $this->_xmlAttributes = array(); |
---|
128 | foreach ($this->_content as $key=>$value) |
---|
129 | { |
---|
130 | if (!empty($key) and (is_scalar($value) or is_null($value)) ) |
---|
131 | { |
---|
132 | if ( empty($xmlElements) or !in_array($key,$xmlElements) ) |
---|
133 | { |
---|
134 | $this->_xmlAttributes[$key]=1; |
---|
135 | } |
---|
136 | } |
---|
137 | } |
---|
138 | } |
---|
139 | } |
---|
140 | } |
---|
141 | |
---|
142 | |
---|
143 | /** |
---|
144 | * Abstract base class for request handlers. |
---|
145 | */ |
---|
146 | abstract class PwgRequestHandler |
---|
147 | { |
---|
148 | /** Virtual abstract method. Decodes the request (GET or POST) handles the |
---|
149 | * method invocation as well as response sending. |
---|
150 | */ |
---|
151 | abstract function handleRequest(&$service); |
---|
152 | } |
---|
153 | |
---|
154 | /** |
---|
155 | * |
---|
156 | * Base class for web service response encoder. |
---|
157 | */ |
---|
158 | abstract class PwgResponseEncoder |
---|
159 | { |
---|
160 | /** encodes the web service response to the appropriate output format |
---|
161 | * @param response mixed the unencoded result of a service method call |
---|
162 | */ |
---|
163 | abstract function encodeResponse($response); |
---|
164 | |
---|
165 | /** default "Content-Type" http header for this kind of response format |
---|
166 | */ |
---|
167 | abstract function getContentType(); |
---|
168 | |
---|
169 | /** |
---|
170 | * returns true if the parameter is a 'struct' (php array type whose keys are |
---|
171 | * NOT consecutive integers starting with 0) |
---|
172 | */ |
---|
173 | static function is_struct(&$data) |
---|
174 | { |
---|
175 | if (is_array($data) ) |
---|
176 | { |
---|
177 | if (range(0, count($data) - 1) !== array_keys($data) ) |
---|
178 | { # string keys, unordered, non-incremental keys, .. - whatever, make object |
---|
179 | return true; |
---|
180 | } |
---|
181 | } |
---|
182 | return false; |
---|
183 | } |
---|
184 | |
---|
185 | /** |
---|
186 | * removes all XML formatting from $response (named array, named structs, etc) |
---|
187 | * usually called by every response encoder, except rest xml. |
---|
188 | */ |
---|
189 | static function flattenResponse(&$value) |
---|
190 | { |
---|
191 | self::flatten($value); |
---|
192 | } |
---|
193 | |
---|
194 | private static function flatten(&$value) |
---|
195 | { |
---|
196 | if (is_object($value)) |
---|
197 | { |
---|
198 | $class = strtolower( @get_class($value) ); |
---|
199 | if ($class == 'pwgnamedarray') |
---|
200 | { |
---|
201 | $value = $value->_content; |
---|
202 | } |
---|
203 | if ($class == 'pwgnamedstruct') |
---|
204 | { |
---|
205 | $value = $value->_content; |
---|
206 | } |
---|
207 | } |
---|
208 | |
---|
209 | if (!is_array($value)) |
---|
210 | return; |
---|
211 | |
---|
212 | if (self::is_struct($value)) |
---|
213 | { |
---|
214 | if ( isset($value[WS_XML_ATTRIBUTES]) ) |
---|
215 | { |
---|
216 | $value = array_merge( $value, $value[WS_XML_ATTRIBUTES] ); |
---|
217 | unset( $value[WS_XML_ATTRIBUTES] ); |
---|
218 | } |
---|
219 | } |
---|
220 | |
---|
221 | foreach ($value as $key=>&$v) |
---|
222 | { |
---|
223 | self::flatten($v); |
---|
224 | } |
---|
225 | } |
---|
226 | } |
---|
227 | |
---|
228 | |
---|
229 | |
---|
230 | class PwgServer |
---|
231 | { |
---|
232 | var $_requestHandler; |
---|
233 | var $_requestFormat; |
---|
234 | var $_responseEncoder; |
---|
235 | var $_responseFormat; |
---|
236 | |
---|
237 | var $_methods = array(); |
---|
238 | |
---|
239 | function PwgServer() |
---|
240 | { |
---|
241 | } |
---|
242 | |
---|
243 | /** |
---|
244 | * Initializes the request handler. |
---|
245 | */ |
---|
246 | function setHandler($requestFormat, &$requestHandler) |
---|
247 | { |
---|
248 | $this->_requestHandler = &$requestHandler; |
---|
249 | $this->_requestFormat = $requestFormat; |
---|
250 | } |
---|
251 | |
---|
252 | /** |
---|
253 | * Initializes the request handler. |
---|
254 | */ |
---|
255 | function setEncoder($responseFormat, &$encoder) |
---|
256 | { |
---|
257 | $this->_responseEncoder = &$encoder; |
---|
258 | $this->_responseFormat = $responseFormat; |
---|
259 | } |
---|
260 | |
---|
261 | /** |
---|
262 | * Runs the web service call (handler and response encoder should have been |
---|
263 | * created) |
---|
264 | */ |
---|
265 | function run() |
---|
266 | { |
---|
267 | if ( is_null($this->_responseEncoder) ) |
---|
268 | { |
---|
269 | set_status_header(400); |
---|
270 | @header("Content-Type: text/plain"); |
---|
271 | echo ("Cannot process your request. Unknown response format. |
---|
272 | Request format: ".@$this->_requestFormat." Response format: ".@$this->_responseFormat."\n"); |
---|
273 | var_export($this); |
---|
274 | die(0); |
---|
275 | } |
---|
276 | |
---|
277 | if ( is_null($this->_requestHandler) ) |
---|
278 | { |
---|
279 | $this->sendResponse( new PwgError(400, 'Unknown request format') ); |
---|
280 | return; |
---|
281 | } |
---|
282 | |
---|
283 | // add reflection methods |
---|
284 | $this->addMethod( |
---|
285 | 'reflection.getMethodList', |
---|
286 | array('PwgServer', 'ws_getMethodList') |
---|
287 | ); |
---|
288 | $this->addMethod( |
---|
289 | 'reflection.getMethodDetails', |
---|
290 | array('PwgServer', 'ws_getMethodDetails'), |
---|
291 | array('methodName') |
---|
292 | ); |
---|
293 | |
---|
294 | trigger_action('ws_add_methods', array(&$this) ); |
---|
295 | uksort( $this->_methods, 'strnatcmp' ); |
---|
296 | $this->_requestHandler->handleRequest($this); |
---|
297 | } |
---|
298 | |
---|
299 | /** |
---|
300 | * Encodes a response and sends it back to the browser. |
---|
301 | */ |
---|
302 | function sendResponse($response) |
---|
303 | { |
---|
304 | $encodedResponse = $this->_responseEncoder->encodeResponse($response); |
---|
305 | $contentType = $this->_responseEncoder->getContentType(); |
---|
306 | |
---|
307 | @header('Content-Type: '.$contentType.'; charset='.get_pwg_charset()); |
---|
308 | print_r($encodedResponse); |
---|
309 | trigger_action('sendResponse', $encodedResponse ); |
---|
310 | } |
---|
311 | |
---|
312 | /** |
---|
313 | * Registers a web service method. |
---|
314 | * @param methodName string - the name of the method as seen externally |
---|
315 | * @param callback mixed - php method to be invoked internally |
---|
316 | * @param params array - map of allowed parameter names with options |
---|
317 | * @option mixed default (optional) |
---|
318 | * @option int flags (optional) |
---|
319 | * possible values: WS_PARAM_ALLOW_ARRAY, WS_PARAM_FORCE_ARRAY, WS_PARAM_OPTIONAL |
---|
320 | * @option int type (optional) |
---|
321 | * possible values: WS_TYPE_BOOL, WS_TYPE_INT, WS_TYPE_FLOAT, WS_TYPE_ID |
---|
322 | * WS_TYPE_POSITIVE, WS_TYPE_NOTNULL |
---|
323 | * @option int|float maxValue (optional) |
---|
324 | * @param description string - a description of the method. |
---|
325 | * @param include_file string - a file to be included befaore the callback is executed |
---|
326 | * @param options array |
---|
327 | * @option bool hidden (optional) - if true, this method won't be visible by reflection.getMethodList |
---|
328 | * @option bool admin_only (optional) |
---|
329 | * @option bool post_only (optional) |
---|
330 | */ |
---|
331 | function addMethod($methodName, $callback, $params=array(), $description='', $include_file='', $options=array()) |
---|
332 | { |
---|
333 | if (!is_array($params)) |
---|
334 | { |
---|
335 | $params = array(); |
---|
336 | } |
---|
337 | |
---|
338 | if ( range(0, count($params) - 1) === array_keys($params) ) |
---|
339 | { |
---|
340 | $params = array_flip($params); |
---|
341 | } |
---|
342 | |
---|
343 | foreach( $params as $param=>$data) |
---|
344 | { |
---|
345 | if ( !is_array($data) ) |
---|
346 | { |
---|
347 | $params[$param] = array('flags'=>0,'type'=>0); |
---|
348 | } |
---|
349 | else |
---|
350 | { |
---|
351 | if ( !isset($data['flags']) ) |
---|
352 | { |
---|
353 | $data['flags'] = 0; |
---|
354 | } |
---|
355 | if ( array_key_exists('default', $data) ) |
---|
356 | { |
---|
357 | $data['flags'] |= WS_PARAM_OPTIONAL; |
---|
358 | } |
---|
359 | if ( !isset($data['type']) ) |
---|
360 | { |
---|
361 | $data['type'] = 0; |
---|
362 | } |
---|
363 | $params[$param] = $data; |
---|
364 | } |
---|
365 | } |
---|
366 | |
---|
367 | $this->_methods[$methodName] = array( |
---|
368 | 'callback' => $callback, |
---|
369 | 'description' => $description, |
---|
370 | 'signature' => $params, |
---|
371 | 'include' => $include_file, |
---|
372 | 'options' => $options, |
---|
373 | ); |
---|
374 | } |
---|
375 | |
---|
376 | function hasMethod($methodName) |
---|
377 | { |
---|
378 | return isset($this->_methods[$methodName]); |
---|
379 | } |
---|
380 | |
---|
381 | function getMethodDescription($methodName) |
---|
382 | { |
---|
383 | $desc = @$this->_methods[$methodName]['description']; |
---|
384 | return isset($desc) ? $desc : ''; |
---|
385 | } |
---|
386 | |
---|
387 | function getMethodSignature($methodName) |
---|
388 | { |
---|
389 | $signature = @$this->_methods[$methodName]['signature']; |
---|
390 | return isset($signature) ? $signature : array(); |
---|
391 | } |
---|
392 | |
---|
393 | /** |
---|
394 | * @since 2.6 |
---|
395 | */ |
---|
396 | function getMethodOptions($methodName) |
---|
397 | { |
---|
398 | $options = @$this->_methods[$methodName]['options']; |
---|
399 | return isset($options) ? $options : array(); |
---|
400 | } |
---|
401 | |
---|
402 | static function isPost() |
---|
403 | { |
---|
404 | return isset($HTTP_RAW_POST_DATA) or !empty($_POST); |
---|
405 | } |
---|
406 | |
---|
407 | static function makeArrayParam(&$param) |
---|
408 | { |
---|
409 | if ( $param==null ) |
---|
410 | { |
---|
411 | $param = array(); |
---|
412 | } |
---|
413 | else |
---|
414 | { |
---|
415 | if ( !is_array($param) ) |
---|
416 | { |
---|
417 | $param = array($param); |
---|
418 | } |
---|
419 | } |
---|
420 | } |
---|
421 | |
---|
422 | static function checkType(&$param, $type, $name) |
---|
423 | { |
---|
424 | $opts = array(); |
---|
425 | $msg = ''; |
---|
426 | if ( self::hasFlag($type, WS_TYPE_POSITIVE | WS_TYPE_NOTNULL) ) |
---|
427 | { |
---|
428 | $opts['options']['min_range'] = 1; |
---|
429 | $msg = ' positive and not null'; |
---|
430 | } |
---|
431 | else if ( self::hasFlag($type, WS_TYPE_POSITIVE) ) |
---|
432 | { |
---|
433 | $opts['options']['min_range'] = 0; |
---|
434 | $msg = ' positive'; |
---|
435 | } |
---|
436 | |
---|
437 | if ( is_array($param) ) |
---|
438 | { |
---|
439 | if ( self::hasFlag($type, WS_TYPE_BOOL) ) |
---|
440 | { |
---|
441 | foreach ($param as &$value) |
---|
442 | { |
---|
443 | if ( ($value = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)) === null ) |
---|
444 | { |
---|
445 | return new PwgError(WS_ERR_INVALID_PARAM, $name.' must only contain booleans' ); |
---|
446 | } |
---|
447 | } |
---|
448 | unset($value); |
---|
449 | } |
---|
450 | else if ( self::hasFlag($type, WS_TYPE_INT) ) |
---|
451 | { |
---|
452 | foreach ($param as &$value) |
---|
453 | { |
---|
454 | if ( ($value = filter_var($value, FILTER_VALIDATE_INT, $opts)) === false ) |
---|
455 | { |
---|
456 | return new PwgError(WS_ERR_INVALID_PARAM, $name.' must only contain'.$msg.' integers' ); |
---|
457 | } |
---|
458 | } |
---|
459 | unset($value); |
---|
460 | } |
---|
461 | else if ( self::hasFlag($type, WS_TYPE_FLOAT) ) |
---|
462 | { |
---|
463 | foreach ($param as &$value) |
---|
464 | { |
---|
465 | if ( |
---|
466 | ($value = filter_var($value, FILTER_VALIDATE_FLOAT)) === false |
---|
467 | or ( isset($opts['options']['min_range']) and $value < $opts['options']['min_range'] ) |
---|
468 | ) { |
---|
469 | return new PwgError(WS_ERR_INVALID_PARAM, $name.' must only contain'.$msg.' floats' ); |
---|
470 | } |
---|
471 | } |
---|
472 | unset($value); |
---|
473 | } |
---|
474 | } |
---|
475 | else if ( $param !== '' ) |
---|
476 | { |
---|
477 | if ( self::hasFlag($type, WS_TYPE_BOOL) ) |
---|
478 | { |
---|
479 | if ( ($param = filter_var($param, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)) === null ) |
---|
480 | { |
---|
481 | return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be a boolean' ); |
---|
482 | } |
---|
483 | } |
---|
484 | else if ( self::hasFlag($type, WS_TYPE_INT) ) |
---|
485 | { |
---|
486 | if ( ($param = filter_var($param, FILTER_VALIDATE_INT, $opts)) === false ) |
---|
487 | { |
---|
488 | return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be an'.$msg.' integer' ); |
---|
489 | } |
---|
490 | } |
---|
491 | else if ( self::hasFlag($type, WS_TYPE_FLOAT) ) |
---|
492 | { |
---|
493 | if ( |
---|
494 | ($param = filter_var($param, FILTER_VALIDATE_FLOAT)) === false |
---|
495 | or ( isset($opts['options']['min_range']) and $param < $opts['options']['min_range'] ) |
---|
496 | ) { |
---|
497 | return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be a'.$msg.' float' ); |
---|
498 | } |
---|
499 | } |
---|
500 | } |
---|
501 | |
---|
502 | return null; |
---|
503 | } |
---|
504 | |
---|
505 | static function hasFlag($val, $flag) |
---|
506 | { |
---|
507 | return ($val & $flag) == $flag; |
---|
508 | } |
---|
509 | |
---|
510 | /** |
---|
511 | * Invokes a registered method. Returns the return of the method (or |
---|
512 | * a PwgError object if the method is not found) |
---|
513 | * @param methodName string the name of the method to invoke |
---|
514 | * @param params array array of parameters to pass to the invoked method |
---|
515 | */ |
---|
516 | function invoke($methodName, $params) |
---|
517 | { |
---|
518 | $method = @$this->_methods[$methodName]; |
---|
519 | |
---|
520 | if ( $method == null ) |
---|
521 | { |
---|
522 | return new PwgError(WS_ERR_INVALID_METHOD, 'Method name is not valid'); |
---|
523 | } |
---|
524 | |
---|
525 | if ( isset($method['options']['post_only']) and $method['options']['post_only'] and !self::isPost() ) |
---|
526 | { |
---|
527 | return new PwgError(405, 'This method requires HTTP POST'); |
---|
528 | } |
---|
529 | |
---|
530 | if ( isset($method['options']['admin_only']) and $method['options']['admin_only'] and !is_admin() ) |
---|
531 | { |
---|
532 | return new PwgError(401, 'Access denied'); |
---|
533 | } |
---|
534 | |
---|
535 | // parameter check and data correction |
---|
536 | $signature = $method['signature']; |
---|
537 | $missing_params = array(); |
---|
538 | |
---|
539 | foreach ($signature as $name => $options) |
---|
540 | { |
---|
541 | $flags = $options['flags']; |
---|
542 | |
---|
543 | // parameter not provided in the request |
---|
544 | if ( !array_key_exists($name, $params) ) |
---|
545 | { |
---|
546 | if ( !self::hasFlag($flags, WS_PARAM_OPTIONAL) ) |
---|
547 | { |
---|
548 | $missing_params[] = $name; |
---|
549 | } |
---|
550 | else if ( array_key_exists('default', $options) ) |
---|
551 | { |
---|
552 | $params[$name] = $options['default']; |
---|
553 | if ( self::hasFlag($flags, WS_PARAM_FORCE_ARRAY) ) |
---|
554 | { |
---|
555 | self::makeArrayParam($params[$name]); |
---|
556 | } |
---|
557 | } |
---|
558 | } |
---|
559 | // parameter provided but empty |
---|
560 | else if ( $params[$name]==='' and !self::hasFlag($flags, WS_PARAM_OPTIONAL) ) |
---|
561 | { |
---|
562 | $missing_params[] = $name; |
---|
563 | } |
---|
564 | // parameter provided - do some basic checks |
---|
565 | else |
---|
566 | { |
---|
567 | $the_param = $params[$name]; |
---|
568 | |
---|
569 | if ( is_array($the_param) and !self::hasFlag($flags, WS_PARAM_ACCEPT_ARRAY) ) |
---|
570 | { |
---|
571 | return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be scalar' ); |
---|
572 | } |
---|
573 | |
---|
574 | if ( self::hasFlag($flags, WS_PARAM_FORCE_ARRAY) ) |
---|
575 | { |
---|
576 | self::makeArrayParam($the_param); |
---|
577 | } |
---|
578 | |
---|
579 | if ( $options['type'] > 0 ) |
---|
580 | { |
---|
581 | if ( ($ret = self::checkType($the_param, $options['type'], $name)) !== null ) |
---|
582 | { |
---|
583 | return $ret; |
---|
584 | } |
---|
585 | } |
---|
586 | |
---|
587 | if ( isset($options['maxValue']) and $the_param>$options['maxValue']) |
---|
588 | { |
---|
589 | $the_param = $options['maxValue']; |
---|
590 | } |
---|
591 | |
---|
592 | $params[$name] = $the_param; |
---|
593 | } |
---|
594 | } |
---|
595 | |
---|
596 | if (count($missing_params)) |
---|
597 | { |
---|
598 | return new PwgError(WS_ERR_MISSING_PARAM, 'Missing parameters: '.implode(',',$missing_params)); |
---|
599 | } |
---|
600 | |
---|
601 | $result = trigger_event('ws_invoke_allowed', true, $methodName, $params); |
---|
602 | if ( strtolower( @get_class($result) )!='pwgerror') |
---|
603 | { |
---|
604 | if ( !empty($method['include']) ) |
---|
605 | { |
---|
606 | include_once( $method['include'] ); |
---|
607 | } |
---|
608 | $result = call_user_func_array($method['callback'], array($params, &$this) ); |
---|
609 | } |
---|
610 | |
---|
611 | return $result; |
---|
612 | } |
---|
613 | |
---|
614 | /** |
---|
615 | * WS reflection method implementation: lists all available methods |
---|
616 | */ |
---|
617 | static function ws_getMethodList($params, &$service) |
---|
618 | { |
---|
619 | $methods = array_filter($service->_methods, |
---|
620 | create_function('$m', 'return empty($m["options"]["hidden"]) || !$m["options"]["hidden"];')); |
---|
621 | return array('methods' => new PwgNamedArray( array_keys($methods),'method' ) ); |
---|
622 | } |
---|
623 | |
---|
624 | /** |
---|
625 | * WS reflection method implementation: gets information about a given method |
---|
626 | */ |
---|
627 | static function ws_getMethodDetails($params, &$service) |
---|
628 | { |
---|
629 | $methodName = $params['methodName']; |
---|
630 | |
---|
631 | if (!$service->hasMethod($methodName)) |
---|
632 | { |
---|
633 | return new PwgError(WS_ERR_INVALID_PARAM, 'Requested method does not exist'); |
---|
634 | } |
---|
635 | |
---|
636 | $res = array( |
---|
637 | 'name' => $methodName, |
---|
638 | 'description' => $service->getMethodDescription($methodName), |
---|
639 | 'params' => array(), |
---|
640 | 'options' => $service->getMethodOptions($methodName), |
---|
641 | ); |
---|
642 | |
---|
643 | foreach ($service->getMethodSignature($methodName) as $name => $options) |
---|
644 | { |
---|
645 | $param_data = array( |
---|
646 | 'name' => $name, |
---|
647 | 'optional' => self::hasFlag($options['flags'], WS_PARAM_OPTIONAL), |
---|
648 | 'acceptArray' => self::hasFlag($options['flags'], WS_PARAM_ACCEPT_ARRAY), |
---|
649 | 'type' => 'mixed', |
---|
650 | ); |
---|
651 | |
---|
652 | if (isset($options['default'])) |
---|
653 | { |
---|
654 | $param_data['defaultValue'] = $options['default']; |
---|
655 | } |
---|
656 | if (isset($options['maxValue'])) |
---|
657 | { |
---|
658 | $param_data['maxValue'] = $options['maxValue']; |
---|
659 | } |
---|
660 | if (isset($options['info'])) |
---|
661 | { |
---|
662 | $param_data['info'] = $options['info']; |
---|
663 | } |
---|
664 | |
---|
665 | if ( self::hasFlag($options['type'], WS_TYPE_BOOL) ) |
---|
666 | { |
---|
667 | $param_data['type'] = 'bool'; |
---|
668 | } |
---|
669 | else if ( self::hasFlag($options['type'], WS_TYPE_INT) ) |
---|
670 | { |
---|
671 | $param_data['type'] = 'int'; |
---|
672 | } |
---|
673 | else if ( self::hasFlag($options['type'], WS_TYPE_FLOAT) ) |
---|
674 | { |
---|
675 | $param_data['type'] = 'float'; |
---|
676 | } |
---|
677 | if ( self::hasFlag($options['type'], WS_TYPE_POSITIVE) ) |
---|
678 | { |
---|
679 | $param_data['type'].= ' positive'; |
---|
680 | } |
---|
681 | if ( self::hasFlag($options['type'], WS_TYPE_NOTNULL) ) |
---|
682 | { |
---|
683 | $param_data['type'].= ' notnull'; |
---|
684 | } |
---|
685 | |
---|
686 | $res['params'][] = $param_data; |
---|
687 | } |
---|
688 | return $res; |
---|
689 | } |
---|
690 | } |
---|
691 | ?> |
---|