Initial commit: Backup der Webseiten
- zoesch.de - blitzkiste.net - gruene-hassberge (norbert.zoesch.de) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Felix Zösch
691
zoesch.de/galerie/include/ws_core.inc.php
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691
zoesch.de/galerie/include/ws_core.inc.php
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@@ -0,0 +1,691 @@
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<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2016 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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/**** WEB SERVICE CORE CLASSES************************************************
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* PwgServer - main object - the link between web service methods, request
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* handler and response encoder
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* PwgRequestHandler - base class for handlers
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* PwgResponseEncoder - base class for response encoders
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* PwgError, PwgNamedArray, PwgNamedStruct - can be used by web service functions
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* as return values
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*/
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define( 'WS_PARAM_ACCEPT_ARRAY', 0x010000 );
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define( 'WS_PARAM_FORCE_ARRAY', 0x030000 );
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define( 'WS_PARAM_OPTIONAL', 0x040000 );
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define( 'WS_TYPE_BOOL', 0x01 );
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define( 'WS_TYPE_INT', 0x02 );
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define( 'WS_TYPE_FLOAT', 0x04 );
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define( 'WS_TYPE_POSITIVE', 0x10 );
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define( 'WS_TYPE_NOTNULL', 0x20 );
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define( 'WS_TYPE_ID', WS_TYPE_INT | WS_TYPE_POSITIVE | WS_TYPE_NOTNULL);
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define( 'WS_ERR_INVALID_METHOD', 501 );
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define( 'WS_ERR_MISSING_PARAM', 1002 );
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define( 'WS_ERR_INVALID_PARAM', 1003 );
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define( 'WS_XML_ATTRIBUTES', 'attributes_xml_');
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/**
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* PwgError object can be returned from any web service function implementation.
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*/
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class PwgError
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{
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private $_code;
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private $_codeText;
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function __construct($code, $codeText)
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{
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if ($code>=400 and $code<600)
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{
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set_status_header($code, $codeText);
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}
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$this->_code = $code;
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$this->_codeText = $codeText;
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}
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function code() { return $this->_code; }
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function message() { return $this->_codeText; }
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}
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/**
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* Simple wrapper around an array (keys are consecutive integers starting at 0).
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* Provides naming clues for xml output (xml attributes vs. xml child elements?)
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* Usually returned by web service function implementation.
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*/
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class PwgNamedArray
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{
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/*private*/ var $_content;
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/*private*/ var $_itemName;
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/*private*/ var $_xmlAttributes;
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/**
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* Constructs a named array
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* @param arr array (keys must be consecutive integers starting at 0)
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* @param itemName string xml element name for values of arr (e.g. image)
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* @param xmlAttributes array of sub-item attributes that will be encoded as
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* xml attributes instead of xml child elements
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*/
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function __construct($arr, $itemName, $xmlAttributes=array() )
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{
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$this->_content = $arr;
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$this->_itemName = $itemName;
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$this->_xmlAttributes = array_flip($xmlAttributes);
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}
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}
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/**
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* Simple wrapper around a "struct" (php array whose keys are not consecutive
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* integers starting at 0). Provides naming clues for xml output (what is xml
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* attributes and what is element)
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*/
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class PwgNamedStruct
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{
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/*private*/ var $_content;
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/*private*/ var $_xmlAttributes;
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/**
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* Constructs a named struct (usually returned by web service function
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* implementation)
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* @param name string - containing xml element name
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* @param content array - the actual content (php array)
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* @param xmlAttributes array - name of the keys in $content that will be
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* encoded as xml attributes (if null - automatically prefer xml attributes
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* whenever possible)
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*/
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function __construct($content, $xmlAttributes=null, $xmlElements=null )
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{
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$this->_content = $content;
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if ( isset($xmlAttributes) )
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{
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$this->_xmlAttributes = array_flip($xmlAttributes);
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}
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else
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{
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$this->_xmlAttributes = array();
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foreach ($this->_content as $key=>$value)
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{
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if (!empty($key) and (is_scalar($value) or is_null($value)) )
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{
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if ( empty($xmlElements) or !in_array($key,$xmlElements) )
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{
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$this->_xmlAttributes[$key]=1;
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}
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}
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}
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}
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}
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}
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/**
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* Abstract base class for request handlers.
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*/
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abstract class PwgRequestHandler
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{
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/** Virtual abstract method. Decodes the request (GET or POST) handles the
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* method invocation as well as response sending.
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*/
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abstract function handleRequest(&$service);
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}
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/**
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*
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* Base class for web service response encoder.
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*/
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abstract class PwgResponseEncoder
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{
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/** encodes the web service response to the appropriate output format
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* @param response mixed the unencoded result of a service method call
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*/
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abstract function encodeResponse($response);
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/** default "Content-Type" http header for this kind of response format
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*/
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abstract function getContentType();
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/**
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* returns true if the parameter is a 'struct' (php array type whose keys are
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* NOT consecutive integers starting with 0)
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*/
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static function is_struct(&$data)
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{
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if (is_array($data) )
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{
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if (range(0, count($data) - 1) !== array_keys($data) )
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{ # string keys, unordered, non-incremental keys, .. - whatever, make object
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return true;
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}
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}
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return false;
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}
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/**
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* removes all XML formatting from $response (named array, named structs, etc)
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* usually called by every response encoder, except rest xml.
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*/
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static function flattenResponse(&$value)
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{
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self::flatten($value);
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}
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private static function flatten(&$value)
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{
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if (is_object($value))
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{
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$class = strtolower( @get_class($value) );
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if ($class == 'pwgnamedarray')
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{
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$value = $value->_content;
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}
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if ($class == 'pwgnamedstruct')
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{
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$value = $value->_content;
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}
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}
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if (!is_array($value))
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return;
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if (self::is_struct($value))
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{
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if ( isset($value[WS_XML_ATTRIBUTES]) )
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{
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$value = array_merge( $value, $value[WS_XML_ATTRIBUTES] );
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unset( $value[WS_XML_ATTRIBUTES] );
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}
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}
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foreach ($value as $key=>&$v)
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{
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self::flatten($v);
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}
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}
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}
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class PwgServer
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{
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var $_requestHandler;
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var $_requestFormat;
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var $_responseEncoder;
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var $_responseFormat;
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var $_methods = array();
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function __construct()
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{
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}
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/**
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* Initializes the request handler.
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*/
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function setHandler($requestFormat, &$requestHandler)
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{
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$this->_requestHandler = &$requestHandler;
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$this->_requestFormat = $requestFormat;
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}
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/**
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* Initializes the request handler.
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*/
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function setEncoder($responseFormat, &$encoder)
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{
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$this->_responseEncoder = &$encoder;
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$this->_responseFormat = $responseFormat;
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}
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/**
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* Runs the web service call (handler and response encoder should have been
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* created)
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*/
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function run()
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{
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if ( is_null($this->_responseEncoder) )
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{
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set_status_header(400);
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@header("Content-Type: text/plain");
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echo ("Cannot process your request. Unknown response format.
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Request format: ".@$this->_requestFormat." Response format: ".@$this->_responseFormat."\n");
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var_export($this);
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die(0);
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}
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if ( is_null($this->_requestHandler) )
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{
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$this->sendResponse( new PwgError(400, 'Unknown request format') );
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return;
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}
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// add reflection methods
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$this->addMethod(
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'reflection.getMethodList',
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array('PwgServer', 'ws_getMethodList')
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);
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$this->addMethod(
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'reflection.getMethodDetails',
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array('PwgServer', 'ws_getMethodDetails'),
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array('methodName')
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);
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trigger_notify('ws_add_methods', array(&$this) );
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uksort( $this->_methods, 'strnatcmp' );
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$this->_requestHandler->handleRequest($this);
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}
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/**
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* Encodes a response and sends it back to the browser.
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*/
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function sendResponse($response)
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{
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$encodedResponse = $this->_responseEncoder->encodeResponse($response);
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$contentType = $this->_responseEncoder->getContentType();
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@header('Content-Type: '.$contentType.'; charset='.get_pwg_charset());
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print_r($encodedResponse);
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trigger_notify('sendResponse', $encodedResponse );
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}
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/**
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* Registers a web service method.
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* @param methodName string - the name of the method as seen externally
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* @param callback mixed - php method to be invoked internally
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* @param params array - map of allowed parameter names with options
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* @option mixed default (optional)
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* @option int flags (optional)
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* possible values: WS_PARAM_ALLOW_ARRAY, WS_PARAM_FORCE_ARRAY, WS_PARAM_OPTIONAL
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* @option int type (optional)
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* possible values: WS_TYPE_BOOL, WS_TYPE_INT, WS_TYPE_FLOAT, WS_TYPE_ID
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* WS_TYPE_POSITIVE, WS_TYPE_NOTNULL
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||||
* @option int|float maxValue (optional)
|
||||
* @param description string - a description of the method.
|
||||
* @param include_file string - a file to be included befaore the callback is executed
|
||||
* @param options array
|
||||
* @option bool hidden (optional) - if true, this method won't be visible by reflection.getMethodList
|
||||
* @option bool admin_only (optional)
|
||||
* @option bool post_only (optional)
|
||||
*/
|
||||
function addMethod($methodName, $callback, $params=array(), $description='', $include_file='', $options=array())
|
||||
{
|
||||
if (!is_array($params))
|
||||
{
|
||||
$params = array();
|
||||
}
|
||||
|
||||
if ( range(0, count($params) - 1) === array_keys($params) )
|
||||
{
|
||||
$params = array_flip($params);
|
||||
}
|
||||
|
||||
foreach( $params as $param=>$data)
|
||||
{
|
||||
if ( !is_array($data) )
|
||||
{
|
||||
$params[$param] = array('flags'=>0,'type'=>0);
|
||||
}
|
||||
else
|
||||
{
|
||||
if ( !isset($data['flags']) )
|
||||
{
|
||||
$data['flags'] = 0;
|
||||
}
|
||||
if ( array_key_exists('default', $data) )
|
||||
{
|
||||
$data['flags'] |= WS_PARAM_OPTIONAL;
|
||||
}
|
||||
if ( !isset($data['type']) )
|
||||
{
|
||||
$data['type'] = 0;
|
||||
}
|
||||
$params[$param] = $data;
|
||||
}
|
||||
}
|
||||
|
||||
$this->_methods[$methodName] = array(
|
||||
'callback' => $callback,
|
||||
'description' => $description,
|
||||
'signature' => $params,
|
||||
'include' => $include_file,
|
||||
'options' => $options,
|
||||
);
|
||||
}
|
||||
|
||||
function hasMethod($methodName)
|
||||
{
|
||||
return isset($this->_methods[$methodName]);
|
||||
}
|
||||
|
||||
function getMethodDescription($methodName)
|
||||
{
|
||||
$desc = @$this->_methods[$methodName]['description'];
|
||||
return isset($desc) ? $desc : '';
|
||||
}
|
||||
|
||||
function getMethodSignature($methodName)
|
||||
{
|
||||
$signature = @$this->_methods[$methodName]['signature'];
|
||||
return isset($signature) ? $signature : array();
|
||||
}
|
||||
|
||||
/**
|
||||
* @since 2.6
|
||||
*/
|
||||
function getMethodOptions($methodName)
|
||||
{
|
||||
$options = @$this->_methods[$methodName]['options'];
|
||||
return isset($options) ? $options : array();
|
||||
}
|
||||
|
||||
static function isPost()
|
||||
{
|
||||
return isset($HTTP_RAW_POST_DATA) or !empty($_POST);
|
||||
}
|
||||
|
||||
static function makeArrayParam(&$param)
|
||||
{
|
||||
if ( $param==null )
|
||||
{
|
||||
$param = array();
|
||||
}
|
||||
else
|
||||
{
|
||||
if ( !is_array($param) )
|
||||
{
|
||||
$param = array($param);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static function checkType(&$param, $type, $name)
|
||||
{
|
||||
$opts = array();
|
||||
$msg = '';
|
||||
if ( self::hasFlag($type, WS_TYPE_POSITIVE | WS_TYPE_NOTNULL) )
|
||||
{
|
||||
$opts['options']['min_range'] = 1;
|
||||
$msg = ' positive and not null';
|
||||
}
|
||||
else if ( self::hasFlag($type, WS_TYPE_POSITIVE) )
|
||||
{
|
||||
$opts['options']['min_range'] = 0;
|
||||
$msg = ' positive';
|
||||
}
|
||||
|
||||
if ( is_array($param) )
|
||||
{
|
||||
if ( self::hasFlag($type, WS_TYPE_BOOL) )
|
||||
{
|
||||
foreach ($param as &$value)
|
||||
{
|
||||
if ( ($value = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)) === null )
|
||||
{
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, $name.' must only contain booleans' );
|
||||
}
|
||||
}
|
||||
unset($value);
|
||||
}
|
||||
else if ( self::hasFlag($type, WS_TYPE_INT) )
|
||||
{
|
||||
foreach ($param as &$value)
|
||||
{
|
||||
if ( ($value = filter_var($value, FILTER_VALIDATE_INT, $opts)) === false )
|
||||
{
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, $name.' must only contain'.$msg.' integers' );
|
||||
}
|
||||
}
|
||||
unset($value);
|
||||
}
|
||||
else if ( self::hasFlag($type, WS_TYPE_FLOAT) )
|
||||
{
|
||||
foreach ($param as &$value)
|
||||
{
|
||||
if (
|
||||
($value = filter_var($value, FILTER_VALIDATE_FLOAT)) === false
|
||||
or ( isset($opts['options']['min_range']) and $value < $opts['options']['min_range'] )
|
||||
) {
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, $name.' must only contain'.$msg.' floats' );
|
||||
}
|
||||
}
|
||||
unset($value);
|
||||
}
|
||||
}
|
||||
else if ( $param !== '' )
|
||||
{
|
||||
if ( self::hasFlag($type, WS_TYPE_BOOL) )
|
||||
{
|
||||
if ( ($param = filter_var($param, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)) === null )
|
||||
{
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be a boolean' );
|
||||
}
|
||||
}
|
||||
else if ( self::hasFlag($type, WS_TYPE_INT) )
|
||||
{
|
||||
if ( ($param = filter_var($param, FILTER_VALIDATE_INT, $opts)) === false )
|
||||
{
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be an'.$msg.' integer' );
|
||||
}
|
||||
}
|
||||
else if ( self::hasFlag($type, WS_TYPE_FLOAT) )
|
||||
{
|
||||
if (
|
||||
($param = filter_var($param, FILTER_VALIDATE_FLOAT)) === false
|
||||
or ( isset($opts['options']['min_range']) and $param < $opts['options']['min_range'] )
|
||||
) {
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be a'.$msg.' float' );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
static function hasFlag($val, $flag)
|
||||
{
|
||||
return ($val & $flag) == $flag;
|
||||
}
|
||||
|
||||
/**
|
||||
* Invokes a registered method. Returns the return of the method (or
|
||||
* a PwgError object if the method is not found)
|
||||
* @param methodName string the name of the method to invoke
|
||||
* @param params array array of parameters to pass to the invoked method
|
||||
*/
|
||||
function invoke($methodName, $params)
|
||||
{
|
||||
$method = @$this->_methods[$methodName];
|
||||
|
||||
if ( $method == null )
|
||||
{
|
||||
return new PwgError(WS_ERR_INVALID_METHOD, 'Method name is not valid');
|
||||
}
|
||||
|
||||
if ( isset($method['options']['post_only']) and $method['options']['post_only'] and !self::isPost() )
|
||||
{
|
||||
return new PwgError(405, 'This method requires HTTP POST');
|
||||
}
|
||||
|
||||
if ( isset($method['options']['admin_only']) and $method['options']['admin_only'] and !is_admin() )
|
||||
{
|
||||
return new PwgError(401, 'Access denied');
|
||||
}
|
||||
|
||||
// parameter check and data correction
|
||||
$signature = $method['signature'];
|
||||
$missing_params = array();
|
||||
|
||||
foreach ($signature as $name => $options)
|
||||
{
|
||||
$flags = $options['flags'];
|
||||
|
||||
// parameter not provided in the request
|
||||
if ( !array_key_exists($name, $params) )
|
||||
{
|
||||
if ( !self::hasFlag($flags, WS_PARAM_OPTIONAL) )
|
||||
{
|
||||
$missing_params[] = $name;
|
||||
}
|
||||
else if ( array_key_exists('default', $options) )
|
||||
{
|
||||
$params[$name] = $options['default'];
|
||||
if ( self::hasFlag($flags, WS_PARAM_FORCE_ARRAY) )
|
||||
{
|
||||
self::makeArrayParam($params[$name]);
|
||||
}
|
||||
}
|
||||
}
|
||||
// parameter provided but empty
|
||||
else if ( $params[$name]==='' and !self::hasFlag($flags, WS_PARAM_OPTIONAL) )
|
||||
{
|
||||
$missing_params[] = $name;
|
||||
}
|
||||
// parameter provided - do some basic checks
|
||||
else
|
||||
{
|
||||
$the_param = $params[$name];
|
||||
|
||||
if ( is_array($the_param) and !self::hasFlag($flags, WS_PARAM_ACCEPT_ARRAY) )
|
||||
{
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be scalar' );
|
||||
}
|
||||
|
||||
if ( self::hasFlag($flags, WS_PARAM_FORCE_ARRAY) )
|
||||
{
|
||||
self::makeArrayParam($the_param);
|
||||
}
|
||||
|
||||
if ( $options['type'] > 0 )
|
||||
{
|
||||
if ( ($ret = self::checkType($the_param, $options['type'], $name)) !== null )
|
||||
{
|
||||
return $ret;
|
||||
}
|
||||
}
|
||||
|
||||
if ( isset($options['maxValue']) and $the_param>$options['maxValue'])
|
||||
{
|
||||
$the_param = $options['maxValue'];
|
||||
}
|
||||
|
||||
$params[$name] = $the_param;
|
||||
}
|
||||
}
|
||||
|
||||
if (count($missing_params))
|
||||
{
|
||||
return new PwgError(WS_ERR_MISSING_PARAM, 'Missing parameters: '.implode(',',$missing_params));
|
||||
}
|
||||
|
||||
$result = trigger_change('ws_invoke_allowed', true, $methodName, $params);
|
||||
if ( strtolower( @get_class($result) )!='pwgerror')
|
||||
{
|
||||
if ( !empty($method['include']) )
|
||||
{
|
||||
include_once( $method['include'] );
|
||||
}
|
||||
$result = call_user_func_array($method['callback'], array($params, &$this) );
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* WS reflection method implementation: lists all available methods
|
||||
*/
|
||||
static function ws_getMethodList($params, &$service)
|
||||
{
|
||||
$methods = array_filter($service->_methods,
|
||||
create_function('$m', 'return empty($m["options"]["hidden"]) || !$m["options"]["hidden"];'));
|
||||
return array('methods' => new PwgNamedArray( array_keys($methods),'method' ) );
|
||||
}
|
||||
|
||||
/**
|
||||
* WS reflection method implementation: gets information about a given method
|
||||
*/
|
||||
static function ws_getMethodDetails($params, &$service)
|
||||
{
|
||||
$methodName = $params['methodName'];
|
||||
|
||||
if (!$service->hasMethod($methodName))
|
||||
{
|
||||
return new PwgError(WS_ERR_INVALID_PARAM, 'Requested method does not exist');
|
||||
}
|
||||
|
||||
$res = array(
|
||||
'name' => $methodName,
|
||||
'description' => $service->getMethodDescription($methodName),
|
||||
'params' => array(),
|
||||
'options' => $service->getMethodOptions($methodName),
|
||||
);
|
||||
|
||||
foreach ($service->getMethodSignature($methodName) as $name => $options)
|
||||
{
|
||||
$param_data = array(
|
||||
'name' => $name,
|
||||
'optional' => self::hasFlag($options['flags'], WS_PARAM_OPTIONAL),
|
||||
'acceptArray' => self::hasFlag($options['flags'], WS_PARAM_ACCEPT_ARRAY),
|
||||
'type' => 'mixed',
|
||||
);
|
||||
|
||||
if (isset($options['default']))
|
||||
{
|
||||
$param_data['defaultValue'] = $options['default'];
|
||||
}
|
||||
if (isset($options['maxValue']))
|
||||
{
|
||||
$param_data['maxValue'] = $options['maxValue'];
|
||||
}
|
||||
if (isset($options['info']))
|
||||
{
|
||||
$param_data['info'] = $options['info'];
|
||||
}
|
||||
|
||||
if ( self::hasFlag($options['type'], WS_TYPE_BOOL) )
|
||||
{
|
||||
$param_data['type'] = 'bool';
|
||||
}
|
||||
else if ( self::hasFlag($options['type'], WS_TYPE_INT) )
|
||||
{
|
||||
$param_data['type'] = 'int';
|
||||
}
|
||||
else if ( self::hasFlag($options['type'], WS_TYPE_FLOAT) )
|
||||
{
|
||||
$param_data['type'] = 'float';
|
||||
}
|
||||
if ( self::hasFlag($options['type'], WS_TYPE_POSITIVE) )
|
||||
{
|
||||
$param_data['type'].= ' positive';
|
||||
}
|
||||
if ( self::hasFlag($options['type'], WS_TYPE_NOTNULL) )
|
||||
{
|
||||
$param_data['type'].= ' notnull';
|
||||
}
|
||||
|
||||
$res['params'][] = $param_data;
|
||||
}
|
||||
return $res;
|
||||
}
|
||||
}
|
||||
?>
|
||||
Reference in New Issue
Block a user