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authorrvelices <rv-github@modusoptimus.com>2007-01-06 11:13:08 +0000
committerrvelices <rv-github@modusoptimus.com>2007-01-06 11:13:08 +0000
commitf992150313a63d30aeda6e5f3dcd64fc62a06adb (patch)
tree6295bead230ea82610b53a09a9d52b15a6991768 /include
parent6314122c5d610f2fbc9fc5c60dec32f7f901a2bb (diff)
Web service first version.
git-svn-id: http://piwigo.org/svn/trunk@1698 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to '')
-rw-r--r--include/ws_core.inc.php611
-rw-r--r--include/ws_functions.inc.php716
-rw-r--r--include/ws_protocols/json_encoder.php90
-rw-r--r--include/ws_protocols/php_encoder.php57
-rw-r--r--include/ws_protocols/rest_encoder.php285
-rw-r--r--include/ws_protocols/rest_handler.php60
-rw-r--r--include/ws_protocols/xmlrpc_encoder.php118
7 files changed, 1937 insertions, 0 deletions
diff --git a/include/ws_core.inc.php b/include/ws_core.inc.php
new file mode 100644
index 000000000..61c94b295
--- /dev/null
+++ b/include/ws_core.inc.php
@@ -0,0 +1,611 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $
+// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $
+// | last modifier : $Author: rvelices $
+// | revision : $Rev: 1678 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+/**** WEB SERVICE CORE CLASSES************************************************
+ * PwgServer - main object - the link between web service methods, request
+ * handler and response encoder
+ * PwgRequestHandler - base class for handlers
+ * PwgResponseEncoder - base class for response encoders
+ * PwgError, PwgNamedArray, PwgNamedStruct - can be used by web service functions
+ * as return values
+ */
+
+
+define( 'WS_PARAM_ACCEPT_ARRAY', 0x010000 );
+define( 'WS_PARAM_FORCE_ARRAY', 0x030000 );
+define( 'WS_PARAM_OPTIONAL', 0x040000 );
+
+define( 'WS_ERR_INVALID_METHOD', 1001 );
+define( 'WS_ERR_MISSING_PARAM', 1002 );
+define( 'WS_ERR_INVALID_PARAM', 1003 );
+
+define( 'WS_XML_ATTRIBUTES', 'attributes_xml_');
+define( 'WS_XML_CONTENT', 'content_xml_');
+
+/**
+ * PwgError object can be returned from any web service function implementation.
+ */
+class PwgError
+{
+ var $_code;
+ var $_codeText;
+
+ function PwgError($code, $codeText)
+ {
+ $this->_code = $code;
+ $this->_codeText = $codeText;
+ }
+
+ function code() { return $this->_code; }
+ function message() { return $this->_codeText; }
+}
+
+/**
+ * Simple wrapper around an array (keys are consecutive integers starting at 0).
+ * Provides naming clues for xml output (xml attributes vs. xml child elements?)
+ * Usually returned by web service function implementation.
+ */
+class PwgNamedArray
+{
+ /*private*/ var $_content;
+ /*private*/ var $_itemName;
+ /*private*/ var $_xmlAttributes;
+
+ /**
+ * Constructs a named array
+ * @param arr array (keys must be consecutive integers starting at 0)
+ * @param itemName string xml element name for values of arr (e.g. image)
+ * @param xmlAttributes array of sub-item attributes that will be encoded as
+ * xml attributes instead of xml child elements
+ */
+ function PwgNamedArray(&$arr, $itemName, $xmlAttributes=array() )
+ {
+ $this->_content = $arr;
+ $this->_itemName = $itemName;
+ $this->_xmlAttributes = array_flip($xmlAttributes);
+ }
+}
+/**
+ * Simple wrapper around a "struct" (php array whose keys are not consecutive
+ * integers starting at 0). Provides naming clues for xml output (what is xml
+ * attributes and what is element)
+ */
+class PwgNamedStruct
+{
+ /*private*/ var $_content;
+ /*private*/ var $_name;
+ /*private*/ var $_xmlAttributes;
+
+ /**
+ * Constructs a named struct (usually returned by web service function
+ * implementation)
+ * @param name string - containing xml element name
+ * @param content array - the actual content (php array)
+ * @param xmlAttributes array - name of the keys in $content that will be
+ * encoded as xml attributes (if null - automatically prefer xml attributes
+ * whenever possible)
+ */
+ function PwgNamedStruct($name, $content, $xmlAttributes=null, $xmlElements=null )
+ {
+ $this->_name = $name;
+ $this->_content = $content;
+ if ( isset($xmlAttributes) )
+ {
+ $this->_xmlAttributes = array_flip($xmlAttributes);
+ }
+ else
+ {
+ $this->_xmlAttributes = array();
+ foreach ($this->_content as $key=>$value)
+ {
+ if (!empty($key) and (is_scalar($value) or is_null($value)) )
+ {
+ if ( empty($xmlElements) or !in_array($key,$xmlElements) )
+ {
+ $this->_xmlAttributes[$key]=1;
+ }
+ }
+ }
+ }
+ }
+}
+
+
+/**
+ * Replace array_walk_recursive()
+ *
+ * @category PHP
+ * @package PHP_Compat
+ * @link http://php.net/function.array_walk_recursive
+ * @author Tom Buskens <ortega@php.net>
+ * @author Aidan Lister <aidan@php.net>
+ * @version $Revision: 1.7 $
+ * @since PHP 5
+ * @require PHP 4.0.6 (is_callable)
+ */
+if (!function_exists('array_walk_recursive')) {
+ function array_walk_recursive(&$input, $funcname)
+ {
+ if (!is_callable($funcname)) {
+ if (is_array($funcname)) {
+ $funcname = $funcname[0] . '::' . $funcname[1];
+ }
+ user_error('array_walk_recursive() Not a valid callback ' . $user_func,
+ E_USER_WARNING);
+ return;
+ }
+
+ if (!is_array($input)) {
+ user_error('array_walk_recursive() The argument should be an array',
+ E_USER_WARNING);
+ return;
+ }
+
+ $args = func_get_args();
+
+ foreach ($input as $key => $item) {
+ if (is_array($item)) {
+ array_walk_recursive($item, $funcname, $args);
+ $input[$key] = $item;
+ } else {
+ $args[0] = &$item;
+ $args[1] = &$key;
+ call_user_func_array($funcname, $args);
+ $input[$key] = $item;
+ }
+ }
+ }
+}
+
+/**
+ * Abstract base class for request handlers.
+ */
+class PwgRequestHandler
+{
+ /** Virtual abstract method. Decodes the request (GET or POST) handles the
+ * method invocation as well as response sending.
+ */
+ function handleRequest(&$server) { assert(false); }
+}
+
+/**
+ *
+ * Base class for web service response encoder.
+ */
+class PwgResponseEncoder
+{
+ /** encodes the web service response to the appropriate output format
+ * @param response mixed the unencoded result of a service method call
+ */
+ function encodeResponse($response) { assert(false); }
+
+ /** default "Content-Type" http header for this kind of response format
+ */
+ function getContentType() { assert(false); }
+
+ /**
+ * returns true if the parameter is a 'struct' (php array type whose keys are
+ * NOT consecutive integers starting with 0)
+ */
+ function is_struct(&$data)
+ {
+ if (is_array($data) )
+ {
+ if (range(0, count($data) - 1) !== array_keys($data) )
+ { # string keys, unordered, non-incremental keys, .. - whatever, make object
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * removes all XML formatting from $response (named array, named structs, etc)
+ * usually called by every response encoder, except rest xml.
+ */
+ function flattenResponse(&$response)
+ {
+ PwgResponseEncoder::_mergeAttributesAndContent($response);
+ PwgResponseEncoder::_removeNamedArray($response);
+ PwgResponseEncoder::_removeNamedStruct($response);
+ if (is_array($response))
+ { // need to call 2 times (first time might add new arrays)
+ array_walk_recursive($response, array('PwgResponseEncoder', '_remove_named_callback') );
+ array_walk_recursive($response, array('PwgResponseEncoder', '_remove_named_callback') );
+ }
+//print_r($response);
+ PwgResponseEncoder::_mergeAttributesAndContent($response);
+ }
+
+ /*private*/ function _remove_named_callback(&$value, $key)
+ {
+ do
+ {
+ $changed = 0;
+ $changed += PwgResponseEncoder::_removeNamedArray($value);
+ $changed += PwgResponseEncoder::_removeNamedStruct($value);
+ // print_r('walk '.$key."<br/>\n");
+ }
+ while ($changed);
+ }
+
+ /*private*/ function _mergeAttributesAndContent(&$value)
+ {
+ if ( !is_array($value) )
+ return;
+/* $first_key = '';
+ if (count($value)) { $ak = array_keys($value); $first_key = $ak[0]; }
+
+ print_r( '_mergeAttributesAndContent is_struct='.PwgResponseEncoder::is_struct($value)
+ .' count='.count($value)
+ .' first_key='.$first_key
+ ."<br/>\n"
+ );*/
+ $ret = 0;
+ if (PwgResponseEncoder::is_struct($value))
+ {
+ if ( isset($value[WS_XML_ATTRIBUTES]) )
+ {
+ $value = array_merge( $value, $value[WS_XML_ATTRIBUTES] );
+ unset( $value[WS_XML_ATTRIBUTES] );
+ $ret=1;
+ }
+ if ( isset($value[WS_XML_CONTENT]) )
+ {
+ $cont_processed = 0;
+ if ( count($value)==1 )
+ {
+ $value = $value[WS_XML_CONTENT];
+ $cont_processed=1;
+ }
+ else
+ {
+ if (PwgResponseEncoder::is_struct($value[WS_XML_CONTENT]))
+ {
+ $value = array_merge( $value, $value[WS_XML_CONTENT] );
+ unset( $value[WS_XML_CONTENT] );
+ $cont_processed=1;
+ }
+ }
+ $ret += $cont_processed;
+ if (!$cont_processed)
+ {
+ $value['_content'] = $value[WS_XML_CONTENT];
+ unset( $value[WS_XML_CONTENT] );
+ $ret++;
+ }
+ }
+ }
+
+ foreach ($value as $key=>$v)
+ {
+ if ( PwgResponseEncoder::_mergeAttributesAndContent($v) )
+ {
+ $value[$key]=$v;
+ $ret++;
+ }
+ }
+ return $ret;
+ }
+
+ /*private*/ function _removeNamedArray(&$value)
+ {
+ if ( strtolower( get_class($value) ) =='pwgnamedarray')
+ {
+ $value = $value->_content;
+ return 1;
+ }
+ return 0;
+ }
+
+ /*private*/ function _removeNamedStruct(&$value)
+ {
+ if ( strtolower( get_class($value) ) =='pwgnamedstruct')
+ {
+ if ( isset($value->_content['']) )
+ {
+ $unknown = $value->_content[''];
+ unset( $value->_content[''] );
+ $value->_content[$value->_name] = $unknown;
+ }
+ $value = $value->_content;
+ return 1;
+ }
+ return 0;
+ }
+}
+
+
+
+class PwgServer
+{
+ var $_requestHandler;
+ var $_requestFormat;
+ var $_responseEncoder;
+ var $_responseFormat;
+
+ var $_methods;
+ var $_methodSignatures;
+
+ function PwgServer()
+ {
+ $methods = array();
+ }
+
+ /**
+ * Initializes the request handler.
+ */
+ function setHandler($requestFormat, &$requestHandler)
+ {
+ $this->_requestHandler = &$requestHandler;
+ $this->_requestFormat = $requestFormat;
+ }
+
+ /**
+ * Initializes the request handler.
+ */
+ function setEncoder($responseFormat, &$encoder)
+ {
+ $this->_responseEncoder = &$encoder;
+ $this->_responseFormat = $responseFormat;
+ }
+
+ /**
+ * Runs the web service call (handler and response encoder should have been
+ * created)
+ */
+ function run()
+ {
+ if ( is_null($this->_responseEncoder) )
+ {
+ @header("HTTP/1.1 500 Server error");
+ @header("Status: 500 Server error");
+ @header("Content-Type: text/plain");
+ echo ("Cannot process your request. Unknown response format.
+Request format: ".@$this->_requestFormat." handler:".$this->_requestHandler."
+Response format: ".@$this->_responseFormat." encoder:".$this->_responseEncoder."
+ ");
+ var_export($this);
+ die(0);
+ }
+
+ if ( is_null($this->_requestHandler) )
+ {
+ $this->sendResponse(
+ new PwgError(500, 'Unknown request format')
+ );
+ return;
+ }
+
+ $this->addMethod('reflection.getMethodList',
+ array('PwgServer', 'ws_getMethodList'),
+ null, '' );
+ $this->addMethod('reflection.getMethodDetails',
+ array('PwgServer', 'ws_getMethodDetails'),
+ array('methodName'),'');
+
+ trigger_action('ws_add_methods', array(&$this) );
+ uksort( $this->_methods, 'strnatcmp' );
+ $this->_requestHandler->handleRequest($this);
+ }
+
+ /**
+ * Encodes a response and sends it back to the browser.
+ */
+ function sendResponse($response)
+ {
+ $encodedResponse = $this->_responseEncoder->encodeResponse($response);
+ $contentType = $this->_responseEncoder->getContentType();
+
+ @header('Content-Type: '.$contentType);
+ print_r($encodedResponse);
+ }
+
+ /**
+ * Registers a web service method.
+ * @param methodName string - the name of the method as seen externally
+ * @param callback mixed - php method to be invoked internally
+ * @param params array - map of allowed parameter names with optional default
+ * values and parameter flags. Example of $params:
+ * array( 'param1' => array('default'=>523, 'flags'=>WS_PARAM_FORCE_ARRAY) ) .
+ * Possible parameter flags are:
+ * WS_PARAM_ALLOW_ARRAY - this parameter can be an array
+ * WS_PARAM_FORCE_ARRAY - if this parameter is scalar, force it to an array
+ * before invoking the method
+ * @param description string - a description of the method.
+ */
+ function addMethod($methodName, $callback, $params=array(), $description, $include_file='')
+ {
+ $this->_methods[$methodName] = $callback;
+ $this->_methodDescriptions[$methodName] = $description;
+
+ if (!is_array($params))
+ {
+ $params = array();
+ }
+
+ if ( range(0, count($params) - 1) === array_keys($params) )
+ {
+ $params = array_flip($params);
+ }
+
+ foreach( $params as $param=>$options)
+ {
+ if ( !is_array($options) )
+ {
+ $params[$param] = array('flags'=>0);
+ }
+ else
+ {
+ $flags = isset($options['flags']) ? $options['flags'] : 0;
+ if ( array_key_exists('default', $options) )
+ {
+ $flags |= WS_PARAM_OPTIONAL;
+ }
+ $options['flags'] = $flags;
+ $params[$param] = $options;
+ }
+ }
+ $this->_methodSignatures[$methodName] = $params;
+ }
+
+ function hasMethod($methodName)
+ {
+ return isset($this->_methods[$methodName]);
+ }
+
+ function getMethodDescription($methodName)
+ {
+ $desc = @$this->_methodDescriptions[$methodName];
+ return isset($desc) ? $desc : '';
+ }
+
+ function getMethodSignature($methodName)
+ {
+ $signature = @$this->_methodSignatures[$methodName];
+ return isset($signature) ? $signature : array();
+ }
+
+ /*static*/ function isPost()
+ {
+ return isset($HTTP_RAW_POST_DATA) or !empty($_POST);
+ }
+
+ /*static*/ function makeArrayParam(&$param)
+ {
+ if ( $param==null )
+ {
+ $param = array();
+ }
+ else
+ {
+ if (! is_array($param) )
+ {
+ $param = array($param);
+ }
+ }
+ }
+
+ /**
+ * 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)
+ {
+ $callback = @$this->_methods[$methodName];
+
+ if ( $callback==null )
+ {
+ return new PwgError(WS_ERR_INVALID_METHOD, 'Method name "'.$methodName.'" is not valid');
+ }
+
+ // parameter check and data coercion !
+ $signature = @$this->_methodSignatures[$methodName];
+ $missing_params = array();
+ foreach($signature as $name=>$options)
+ {
+ $flags = $options['flags'];
+ if ( !array_key_exists($name, $params) )
+ {// parameter not provided in the request
+ if ( !($flags&WS_PARAM_OPTIONAL) )
+ {
+ $missing_params[] = $name;
+ }
+ else if ( array_key_exists('default',$options) )
+ {
+ $params[$name] = $options['default'];
+ if ( ($flags&WS_PARAM_FORCE_ARRAY) )
+ {
+ $this->makeArrayParam( $params[$name] );
+ }
+ }
+ }
+ else
+ {// parameter provided - do some basic checks
+ $the_param = $params[$name];
+ if ( is_array($the_param) and ($flags&WS_PARAM_ACCEPT_ARRAY)==0 )
+ {
+ return new PwgError(WS_ERR_INVALID_PARAM, $name.' must be scalar' );
+ }
+ if ( ($flags&WS_PARAM_FORCE_ARRAY) )
+ {
+ $this->makeArrayParam( $the_param );
+ }
+ $params[$name] = $the_param;
+ }
+ }
+ if (count($missing_params))
+ {
+ return new PwgError(WS_ERR_MISSING_PARAM, 'Missing parameters: '.implode(',',$missing_params));
+ }
+
+ $result = call_user_func_array($callback, array($params, &$this) );
+ return $result;
+ }
+
+ /**
+ * WS reflection method implementation: lists all available methods
+ */
+ /*static*/ function ws_getMethodList($params, &$service)
+ {
+ return array('methods' => new PwgNamedArray( array_keys($service->_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(),
+ );
+ $signature = $service->getMethodSignature($methodName);
+ foreach ($signature as $name => $options)
+ {
+ $param_data = array(
+ 'name' => $name,
+ 'optional' => ($options['flags']&WS_PARAM_OPTIONAL)?true:false,
+ );
+ if (isset($options['default']))
+ {
+ $param_data['defaultValue'] = $options['default'];
+ }
+ $res['params'][] = $param_data;
+ }
+ return $res;
+ }
+}
+?>
diff --git a/include/ws_functions.inc.php b/include/ws_functions.inc.php
new file mode 100644
index 000000000..7e1f1a1ba
--- /dev/null
+++ b/include/ws_functions.inc.php
@@ -0,0 +1,716 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $
+// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $
+// | last modifier : $Author: rvelices $
+// | revision : $Rev: 1678 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+/**** IMPLEMENTATION OF WEB SERVICE METHODS ***********************************/
+
+/**
+ * returns a "standard" (for our web service) array of sql where clauses that
+ * filters the images (images table only)
+ */
+function ws_std_image_sql_filter( $params, $tbl_name='' )
+{
+ $clauses = array();
+ if ( is_numeric($params['f_min_rate']) )
+ {
+ $clauses[] = $tbl_name.'average_rate>'.$params['f_min_rate'];
+ }
+ if ( is_numeric($params['f_max_rate']) )
+ {
+ $clauses[] = $tbl_name.'average_rate<='.$params['f_max_rate'];
+ }
+ if ( is_numeric($params['f_min_hit']) )
+ {
+ $clauses[] = $tbl_name.'hit>'.$params['f_min_hit'];
+ }
+ if ( is_numeric($params['f_max_hit']) )
+ {
+ $clauses[] = $tbl_name.'hit<='.$params['f_max_hit'];
+ }
+ if ( isset($params['f_min_date_posted']) )
+ {
+ $clauses[] = $tbl_name."date_available>='".$params['f_min_date_posted']."'";
+ }
+ if ( isset($params['f_max_date_posted']) )
+ {
+ $clauses[] = $tbl_name."date_available<'".$params['f_max_date_posted']."'";
+ }
+ if ( isset($params['f_min_date_created']) )
+ {
+ $clauses[] = $tbl_name."date_creation>='".$params['f_min_date_created']."'";
+ }
+ if ( isset($params['f_max_date_created']) )
+ {
+ $clauses[] = $tbl_name."date_creation<'".$params['f_max_date_created']."'";
+ }
+ if ( is_numeric($params['f_min_ratio']) )
+ {
+ $clauses[] = $tbl_name.'width/'.$tbl_name.'height>'.$params['f_min_ratio'];
+ }
+ if ( is_numeric($params['f_max_ratio']) )
+ {
+ $clauses[] = $tbl_name.'width/'.$tbl_name.'height<='.$params['f_max_ratio'];
+ }
+ if ( $params['f_with_thumbnail'] )
+ {
+ $clauses[] = $tbl_name.'tn_ext IS NOT NULL';
+ }
+ return $clauses;
+}
+
+/**
+ * returns a "standard" (for our web service) ORDER BY sql clause for images
+ */
+function ws_std_image_sql_order( $params, $tbl_name='' )
+{
+ $ret = '';
+ if ( empty($params['order']) )
+ {
+ return $ret;
+ }
+ $matches = array();
+ preg_match_all('/([a-z_]+) *(?:(asc|desc)(?:ending)?)? *(?:, *|$)/i',
+ $params['order'], $matches);
+ for ($i=0; $i<count($matches[1]); $i++)
+ {
+ switch ($matches[1][$i])
+ {
+ case 'date_created':
+ $matches[1][$i] = 'date_creation'; break;
+ case 'date_posted':
+ $matches[1][$i] = 'date_available'; break;
+ case 'rand': case 'random':
+ $matches[1][$i] = 'RAND()'; break;
+ }
+ $sortable_fields = array('id', 'file', 'name', 'hit', 'average_rate',
+ 'date_creation', 'date_available', 'RAND()' );
+ if ( in_array($matches[1][$i], $sortable_fields) )
+ {
+ if (!empty($ret))
+ $ret .= ', ';
+ if ($matches[1][$i] != 'RAND()' )
+ {
+ $ret .= $tbl_name;
+ }
+ $ret .= $matches[1][$i];
+ $ret .= ' '.$matches[2][$i];
+ }
+ }
+ return $ret;
+}
+
+/**
+ * returns an array map of urls (thumb/element) for image_row - to be returned
+ * in a standard way by different web service methods
+ */
+function ws_std_get_urls($image_row)
+{
+ $ret = array(
+ 'tn_url' => get_thumbnail_url($image_row),
+ 'element_url' => get_element_url($image_row)
+ );
+ global $user;
+ if ($user['enabled_high'] and $image_row['has_high'] )
+ {
+ $ret['high_url'] = get_high_url($image_row);
+ }
+ return $ret;
+}
+
+
+function ws_getVersion($params, &$service)
+{
+ return PHPWG_VERSION;
+}
+
+/**
+ * returns images per category (wb service method)
+ */
+function ws_categories_getImages($params, &$service)
+{
+ @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
+ global $user, $conf;
+
+ $images = array();
+
+ //------------------------------------------------- get the related categories
+ $where_clauses = array();
+ foreach($params['cat_id'] as $cat_id)
+ {
+ $cat_id = (int)$cat_id;
+ if ($cat_id<=0)
+ continue;
+ if ($params['recursive'])
+ {
+ $where_clauses[] = 'uppercats REGEXP \'(^|,)'.$cat_id.'(,|$)\'';
+ }
+ else
+ {
+ $where_clauses[] = 'id='.$cat_id;
+ }
+ }
+ if (!empty($where_clauses))
+ {
+ $where_clauses = array( '('.
+ implode('
+ OR ', $where_clauses) . ')'
+ );
+ }
+ $where_clauses[] = 'id NOT IN ('.$user['forbidden_categories'].')';
+
+ $query = '
+SELECT id, name, image_order
+ FROM '.CATEGORIES_TABLE.'
+ WHERE '. implode('
+ AND ', $where_clauses);
+ $result = pwg_query($query);
+ $cats = array();
+ while ($row = mysql_fetch_assoc($result))
+ {
+ $row['id'] = (int)$row['id'];
+ $cats[ $row['id'] ] = $row;
+ }
+
+ //-------------------------------------------------------- get the images
+ if ( !empty($cats) )
+ {
+ $where_clauses = ws_std_image_sql_filter( $params, 'i.' );
+ $where_clauses[] = 'category_id IN ('
+ .implode(',', array_keys($cats) )
+ .')';
+ $order_by = ws_std_image_sql_order($params, 'i.');
+ if (empty($order_by))
+ {// TODO check for category order by (image_order)
+ $order_by = $conf['order_by'];
+ }
+ else
+ {
+ $order_by = 'ORDER BY '.$order_by;
+ }
+ $query = '
+SELECT i.*, GROUP_CONCAT(category_id) cat_ids
+ FROM '.IMAGES_TABLE.' i
+ INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON i.id=image_id
+ WHERE '. implode('
+ AND ', $where_clauses).'
+GROUP BY i.id
+'.$order_by.'
+LIMIT '.$params['per_page']*$params['page'].','.$params['per_page'];
+
+ $result = pwg_query($query);
+ while ($row = mysql_fetch_assoc($result))
+ {
+ $image = array();
+ foreach ( array('id', 'width', 'height', 'hit') as $k )
+ {
+ if (isset($row[$k]))
+ {
+ $image[$k] = (int)$row[$k];
+ }
+ }
+ foreach ( array('name', 'file') as $k )
+ {
+ $image[$k] = $row[$k];
+ }
+ $image = array_merge( $image, ws_std_get_urls($row) );
+
+ $image_cats = array();
+ foreach ( explode(',', $row['cat_ids']) as $cat_id )
+ {
+ $url = make_index_url(
+ array(
+ 'category' => $cat_id,
+ 'cat_name' => $cats[$cat_id]['name'],
+ )
+ );
+ $page_url = make_picture_url(
+ array(
+ 'category' => $cat_id,
+ 'cat_name' => $cats[$cat_id]['name'],
+ 'image_id' => $row['id'],
+ 'image_file' => $row['file'],
+ )
+ );
+ array_push( $image_cats, array(
+ WS_XML_ATTRIBUTES => array (
+ 'id' => (int)$cat_id,
+ 'url' => $url,
+ 'page_url' => $page_url,
+ )
+ )
+ );
+ }
+
+ $image['categories'] = new PwgNamedArray(
+ $image_cats,'category', array('id','url','page_url')
+ );
+ array_push($images, $image);
+ }
+ }
+
+ return array( 'images' =>
+ array (
+ WS_XML_ATTRIBUTES =>
+ array(
+ 'page' => $params['page'],
+ 'per_page' => $params['per_page'],
+ 'count' => count($images)
+ ),
+ WS_XML_CONTENT => new PwgNamedArray($images, 'image',
+ array('id', 'tn_url', 'element_url', 'file','width','height','hit') )
+ )
+ );
+}
+
+/**
+ * returns a list of categories
+ */
+function ws_categories_getList($params, &$service)
+{
+ global $user;
+
+ $query = '
+SELECT id, name, uppercats, global_rank,
+ max_date_last, count_images AS nb_images, count_categories AS nb_categories
+ FROM '.CATEGORIES_TABLE.'
+ INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.' ON id=cat_id';
+
+ $where = array();
+ $where[]= 'user_id='.$user['id'];
+ if ($params['cat_id']>0)
+ {
+ $where[] = 'uppercats REGEXP \'(^|,)'.
+ (int)($params['cat_id'])
+ .'(,|$)\'';
+ }
+
+ if (!$params['recursive'])
+ {
+ if ($params['cat_id']>0)
+ $where[] = 'id_uppercat='.(int)($params['cat_id']);
+ else
+ $where[] = 'id_uppercat IS NULL';
+ }
+
+ if ($params['public'])
+ {
+ $where[] = 'status = "public"';
+ }
+ else
+ {
+ $where[] = 'id NOT IN ('.$user['forbidden_categories'].')';
+ }
+
+ $query .= '
+ WHERE '. implode('
+ AND ', $where);
+ $query .= '
+ORDER BY global_rank';
+
+ $result = pwg_query($query);
+
+ $cats = array();
+ while ($row = mysql_fetch_assoc($result))
+ {
+ $row['url'] = make_index_url(
+ array(
+ 'category' => $row['id'],
+ 'cat_name' => $row['name'],
+ )
+ );
+ foreach( array('id','nb_images','nb_categories') as $key)
+ {
+ $row[$key] = (int)$row[$key];
+ }
+ array_push($cats, $row);
+ }
+ usort($cats, 'global_rank_compare');
+ return array(
+ 'categories' =>
+ new PwgNamedArray($cats,'category',
+ array('id','url','nb_images','nb_categories','max_date_last')
+ )
+ );
+}
+
+function ws_images_getInfo($params, &$service)
+{
+ @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
+ global $user;
+ $params['image_id'] = (int)$params['image_id'];
+ if ( $params['image_id']<=0 )
+ {
+ return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id");
+ }
+ $query='
+SELECT * FROM '.IMAGES_TABLE.'
+ WHERE id='.$params['image_id'].'
+LIMIT 1';
+ $image_row = mysql_fetch_assoc(pwg_query($query));
+ if ($image_row==null)
+ {
+ return new PwgError(999, "image_id not found");
+ }
+ array_merge( $image_row, ws_std_get_urls($image_row) );
+
+ //-------------------------------------------------------- related categories
+ $query = '
+SELECT c.id,c.name,c.uppercats,c.global_rank
+ FROM '.IMAGE_CATEGORY_TABLE.'
+ INNER JOIN '.CATEGORIES_TABLE.' c ON category_id = id
+ WHERE image_id = '.$image_row['id'].'
+ AND category_id NOT IN ('.$user['forbidden_categories'].')
+;';
+ $result = pwg_query($query);
+ $related_categories = array();
+ while ($row = mysql_fetch_assoc($result))
+ {
+ $row['url'] = make_index_url(
+ array(
+ 'category' => $row['id'],
+ 'cat_name' => $row['name'],
+ )
+ );
+
+ $row['page_url'] = make_picture_url(
+ array(
+ 'image_id' => $image_row['id'],
+ 'image_file' => $image_row['file'],
+ 'category' => $row['id'],
+ 'cat_name' => $row['name'],
+ )
+ );
+ array_push($related_categories, $row);
+ }
+ usort($related_categories, 'global_rank_compare');
+ if ( empty($related_categories) )
+ {
+ return new PwgError(401, 'Access denied');
+ }
+
+ //-------------------------------------------------------------- related tags
+ $query = '
+SELECT id, name, url_name
+ FROM '.IMAGE_TAG_TABLE.'
+ INNER JOIN '.TAGS_TABLE.' ON tag_id = id
+ WHERE image_id = '.$image_row['id'].'
+;';
+ $result = pwg_query($query);
+ $related_tags = array();
+ while ($row = mysql_fetch_assoc($result))
+ {
+ $row['url'] = make_index_url(
+ array(
+ 'tags' => array($row)
+ )
+ );
+ $row['page_url'] = make_picture_url(
+ array(
+ 'image_id' => $image_row['id'],
+ 'image_file' => $image_row['file'],
+ 'tags' => array($row),
+ )
+ );
+ array_push($related_tags, $row);
+ }
+ //---------------------------------------------------------- related comments
+ $query = '
+SELECT COUNT(id) nb_comments
+ FROM '.COMMENTS_TABLE.'
+ WHERE image_id = '.$image_row['id'];
+ list($nb_comments) = array_from_query($query, 'nb_comments');
+
+ $query = '
+SELECT id, date, author, content
+ FROM '.COMMENTS_TABLE.'
+ WHERE image_id = '.$image_row['id'].'
+ AND validated="true"';
+ $query .= '
+ ORDER BY date DESC
+ LIMIT 0, 5';
+
+ $result = pwg_query($query);
+ $related_comments = array();
+ while ($row = mysql_fetch_assoc($result))
+ {
+ array_push($related_comments, $row);
+ }
+
+ //------------------------------------------------------------- related rates
+ $query = '
+SELECT COUNT(rate) AS count
+ , ROUND(AVG(rate),2) AS average
+ , ROUND(STD(rate),2) AS stdev
+ FROM '.RATE_TABLE.'
+ WHERE element_id = '.$image_row['id'].'
+;';
+ $row = mysql_fetch_assoc(pwg_query($query));
+
+ $ret = $image_row;
+ $ret['rates'] = array( WS_XML_ATTRIBUTES => $row );
+ $ret['categories'] = new PwgNamedArray($related_categories, 'category', array('id','url', 'page_url') );
+ $ret['tags'] = new PwgNamedArray($related_tags, 'tag', array('id','url_name','url','page_url') );
+ $ret['comments'] = array(
+ WS_XML_ATTRIBUTES => array('nb_comments' => $nb_comments),
+ WS_XML_CONTENT => new PwgNamedArray($related_comments, 'comment', array('id') )
+ );
+ unset($ret['path']);
+ unset($ret['storage_category_id']);
+ return new PwgNamedStruct('image',$ret, null, array('name','comment') );
+}
+
+
+function ws_session_login($params, &$service)
+{
+ global $conf;
+
+ if (!$service->isPost())
+ {
+ return new PwgError(400, "This method requires POST");
+ }
+
+ $username = $params['username'];
+ // retrieving the encrypted password of the login submitted
+ $query = '
+SELECT '.$conf['user_fields']['id'].' AS id,
+ '.$conf['user_fields']['password'].' AS password
+ FROM '.USERS_TABLE.'
+ WHERE '.$conf['user_fields']['username'].' = \''.$username.'\'
+;';
+ $row = mysql_fetch_assoc(pwg_query($query));
+
+ if ($row['password'] == $conf['pass_convert']($params['password']))
+ {
+ log_user($row['id'], false);
+ return true;
+ }
+ return new PwgError(999, 'Invalid username/password');
+}
+
+function ws_session_logout($params, &$service)
+{
+ global $user, $conf;
+ if (!$user['is_the_guest'])
+ {
+ $_SESSION = array();
+ session_unset();
+ session_destroy();
+ setcookie(session_name(),'',0,
+ ini_get('session.cookie_path'),
+ ini_get('session.cookie_domain')
+ );
+ setcookie($conf['remember_me_name'], '', 0, cookie_path());
+ }
+ return true;
+}
+
+function ws_session_getStatus($params, &$service)
+{
+ global $user;
+ $res = array();
+ $res['username'] = $user['is_the_guest'] ? 'guest' : $user['username'];
+ $res['status'] = $user['status'];
+ return $res;
+}
+
+
+function ws_tags_getList($params, &$service)
+{
+ global $user;
+ $tags = get_available_tags(explode(',', $user['forbidden_categories']));
+ if ($params['sort_by_counter'])
+ {
+ usort($tags, create_function('$a,$b', 'return -$a["counter"]+$b["counter"];') );
+ }
+ else
+ {
+ usort($tags, 'name_compare');
+ }
+ for ($i=0; $i<count($tags); $i++)
+ {
+ $tags[$i]['id'] = (int)$tags[$i]['tag_id'];
+ $tags[$i]['counter'] = (int)$tags[$i]['counter'];
+ unset($tags[$i]['tag_id']);
+ $tags[$i]['url'] = make_index_url(
+ array(
+ 'section'=>'tags',
+ 'tags'=>array($tags[$i])
+ )
+ );
+ }
+ return array('tags' => new PwgNamedArray($tags, 'tag', array('id','url_name','url', 'counter' )) );
+}
+
+function ws_tags_getImages($params, &$service)
+{
+ @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
+ global $user, $conf;
+
+ // first build all the tag_ids we are interested in
+ $tag_ids = array();
+ $tags = get_available_tags();
+ $tags_by_id = array();
+ for( $i=0; $i<count($tags); $i++ )
+ {
+ $tags[$i]['tag_id']=(int)$tags[$i]['tag_id'];
+ $tags[$i]['id']=(int)$tags[$i]['tag_id']; //required by make_xxx_url
+ }
+ foreach( $tags as $tag )
+ {
+ $tags_by_id[ $tag['tag_id'] ] = $tag;
+ if (
+ in_array($tag['name'], $params['tag_name'])
+ or
+ in_array($tag['url_name'], $params['tag_url_name'])
+ )
+ {
+ $tag_ids[] = $tag['tag_id'];
+ }
+ }
+ unset($tags);
+
+ foreach( $params['tag_id'] as $tag_id )
+ {
+ if ( (int)$tag_id > 0 )
+ {
+ $tag_ids[] = $tag_id;
+ }
+ }
+
+ $tag_ids = array_unique( $tag_ids );
+
+ $image_ids = array();
+ $image_tag_map = array();
+
+ if ( !empty($tag_ids) )
+ { // build list of image ids with associated tags per image
+ if ($params['tag_mode_and'])
+ {
+ $image_ids = get_image_ids_for_tags( $tag_ids );
+ }
+ else
+ {
+ $query = '
+SELECT image_id, GROUP_CONCAT(tag_id) tag_ids
+ FROM '.IMAGE_TAG_TABLE.'
+ WHERE tag_id IN ('.implode(',',$tag_ids).')
+ GROUP BY image_id';
+ $result = pwg_query($query);
+ while ( $row=mysql_fetch_assoc($result) )
+ {
+ $row['image_id'] = (int)$row['image_id'];
+ array_push( $image_ids, $row['image_id'] );
+ $image_tag_map[ $row['image_id'] ] = explode(',', $row['tag_ids']);
+ }
+ }
+ }
+
+ $images = array();
+ if ( !empty($image_ids))
+ {
+ $where_clauses = ws_std_image_sql_filter($params);
+ $where_clauses[] = 'category_id NOT IN ('.$user['forbidden_categories'].')';
+ $where_clauses[] = 'id IN ('.implode(',',$image_ids).')';
+ $order_by = ws_std_image_sql_order($params);
+ if (empty($order_by))
+ {
+ $order_by = $conf['order_by'];
+ }
+ else
+ {
+ $order_by = 'ORDER BY '.$order_by;
+ }
+
+ $query = '
+SELECT DISTINCT i.* FROM '.IMAGES_TABLE.' i
+ INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON i.id=image_id
+ WHERE '. implode('
+ AND ', $where_clauses).'
+'.$order_by.'
+LIMIT '.$params['per_page']*$params['page'].','.$params['per_page'];
+
+ $result = pwg_query($query);
+ while ($row = mysql_fetch_assoc($result))
+ {
+ foreach ( array('id', 'width', 'height', 'hit') as $k )
+ {
+ if (isset($row[$k]))
+ {
+ $image[$k] = (int)$row[$k];
+ }
+ }
+ foreach ( array('name', 'file') as $k )
+ {
+ $image[$k] = $row[$k];
+ }
+ $image = array_merge( $image, ws_std_get_urls($row) );
+
+ $image_tag_ids = ($params['tag_mode_and']) ? $tag_ids : $image_tag_map[$image['id']];
+ $image_tags = array();
+ foreach ($image_tag_ids as $tag_id)
+ {
+ $url = make_index_url(
+ array(
+ 'section'=>'tags',
+ 'tags'=> array($tags_by_id[$tag_id])
+ )
+ );
+ $page_url = make_picture_url(
+ array(
+ 'section'=>'tags',
+ 'tags'=> array($tags_by_id[$tag_id]),
+ 'image_id' => $row['id'],
+ 'image_file' => $row['file'],
+ )
+ );
+ array_push($image_tags, array(
+ 'id' => (int)$tag_id,
+ 'url' => $url,
+ 'page_url' => $page_url,
+ )
+ );
+ }
+ $image['tags'] = new PwgNamedArray($image_tags, 'tag',
+ array('id','url_name','url','page_url')
+ );
+ array_push($images, $image);
+ }
+ }
+
+ return array( 'images' =>
+ array (
+ WS_XML_ATTRIBUTES =>
+ array(
+ 'page' => $params['page'],
+ 'per_page' => $params['per_page'],
+ 'count' => count($images)
+ ),
+ WS_XML_CONTENT => new PwgNamedArray($images, 'image',
+ array('id', 'tn_url', 'element_url', 'file','width','height','hit') )
+ )
+ );
+}
+
+?>
diff --git a/include/ws_protocols/json_encoder.php b/include/ws_protocols/json_encoder.php
new file mode 100644
index 000000000..ffeb59954
--- /dev/null
+++ b/include/ws_protocols/json_encoder.php
@@ -0,0 +1,90 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $
+// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $
+// | last modifier : $Author: rvelices $
+// | revision : $Rev: 1678 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+
+#_____________________ PHP 5.2
+if (! function_exists('json_encode')) {
+ function json_encode($data) {
+ switch (gettype($data)) {
+ case 'boolean':
+ return ($data ? 'true' : 'false');
+ case 'null':
+ case 'NULL':
+ return 'null';
+ case 'integer':
+ case 'double':
+ return $data;
+ case 'string':
+ return '"'. str_replace(array("\\",'"',"/","\n","\r","\t"), array("\\\\",'\"',"\\/","\\n","\\r","\\t"), $data) .'"';
+ case 'object':
+ case 'array':
+ if ($data === array()) return '[]'; # empty array
+ if (range(0, count($data) - 1) !== array_keys($data) ) { # string keys, unordered, non-incremental keys, .. - whatever, make object
+ $out = "\n".'{';
+ foreach($data as $key => $value) {
+ $out .= json_encode((string) $key) . ':' . json_encode($value) . ',';
+ }
+ $out = substr($out, 0, -1) . "\n". '}';
+ }else{
+ # regular array
+ $out = "\n".'[' . join("\n".',', array_map('json_encode', $data)) ."\n".']';
+ }
+ return $out;
+ }
+ }
+}
+
+class PwgJsonEncoder extends PwgResponseEncoder
+{
+ function encodeResponse($response)
+ {
+ $respClass = strtolower( get_class($response) );
+ if ($respClass=='pwgerror')
+ {
+ return json_encode(
+ array(
+ 'stat' => 'fail',
+ 'err' => $response->code(),
+ 'message' => $response->message(),
+ )
+ );
+ }
+ parent::flattenResponse($response);
+ return json_encode(
+ array(
+ 'stat' => 'ok',
+ 'result' => $response,
+ )
+ );
+ }
+
+ function getContentType()
+ {
+ return 'text/plain';
+ }
+}
+
+?>
diff --git a/include/ws_protocols/php_encoder.php b/include/ws_protocols/php_encoder.php
new file mode 100644
index 000000000..f12df2594
--- /dev/null
+++ b/include/ws_protocols/php_encoder.php
@@ -0,0 +1,57 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $
+// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $
+// | last modifier : $Author: rvelices $
+// | revision : $Rev: 1678 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+class PwgSerialPhpEncoder extends PwgResponseEncoder
+{
+ function encodeResponse($response)
+ {
+ $respClass = strtolower( get_class($response) );
+ if ($respClass=='pwgerror')
+ {
+ return serialize(
+ array(
+ 'stat' => 'fail',
+ 'err' => $response->code(),
+ 'message' => $response->message(),
+ )
+ );
+ }
+ parent::flattenResponse($response);
+ return serialize(
+ array(
+ 'stat' => 'ok',
+ 'result' => $response
+ )
+ );
+ }
+
+ function getContentType()
+ {
+ return 'text/plain';
+ }
+}
+
+?>
diff --git a/include/ws_protocols/rest_encoder.php b/include/ws_protocols/rest_encoder.php
new file mode 100644
index 000000000..c66cf2536
--- /dev/null
+++ b/include/ws_protocols/rest_encoder.php
@@ -0,0 +1,285 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $
+// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $
+// | last modifier : $Author: rvelices $
+// | revision : $Rev: 1678 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+
+class PwgXmlWriter
+{
+ var $_indent;
+ var $_indentStr;
+
+ var $_elementStack;
+ var $_lastTagOpen;
+ var $_indentLevel;
+
+ var $_encodedXml;
+
+ function PwgXmlWriter()
+ {
+ $this->_elementStack = array();
+ $this->_lastTagOpen = false;
+ $this->_indentLevel = 0;
+
+ $this->_encodedXml = '';
+ $this->_indent = true;
+ $this->_indentStr = "\t";
+ }
+
+ function &getOutput()
+ {
+ return $this->_encodedXml;
+ }
+
+
+ function start_element($name)
+ {
+ $this->_end_prev(false);
+ if (!empty($this->_elementStack))
+ {
+ $this->_eol_indent();
+ }
+ $this->_indentLevel++;
+ $this->_indent();
+ $this->_output( '<'.$name );
+ $this->_lastTagOpen = true;
+ array_push( $this->_elementStack, $name);
+ }
+
+ function end_element($x)
+ {
+ $close_tag = $this->_end_prev(true);
+ $name = array_pop( $this->_elementStack );
+ if ($close_tag)
+ {
+ $this->_indentLevel--;
+ $this->_indent();
+// $this->_eol_indent();
+ $this->_output('</'.$name.">");
+ }
+ }
+
+ function write_content($value)
+ {
+ $this->_end_prev(false);
+ $value = (string)$value;
+ $need_cdata = (strpos($value, "\r")!==false)?true:false;
+ if ($need_cdata)
+ {
+ $this->_output( '<![CDATA[' . $value . ']]>' );
+ }
+ else
+ {
+ $this->_output( htmlspecialchars( $value ) );
+ }
+ }
+
+ function write_attribute($name, $value)
+ {
+ $this->_output(' '.$name.'="'.$this->encode_attribute($value).'"');
+ }
+
+ function encode_attribute($value)
+ {
+ return htmlspecialchars( (string)$value);
+ }
+
+ function _end_prev($done)
+ {
+ $ret = true;
+ if ($this->_lastTagOpen)
+ {
+ if ($done)
+ {
+ $this->_indentLevel--;
+ $this->_output( ' />' );
+ //$this->_eol_indent();
+ $ret = false;
+ }
+ else
+ {
+ $this->_output( '>' );
+ }
+ $this->_lastTagOpen = false;
+ }
+ return $ret;
+ }
+
+ function _eol_indent()
+ {
+ if ($this->_indent)
+ $this->_output("\n");
+ }
+
+ function _indent()
+ {
+ if ($this->_indent and
+ $this->_indentLevel > count($this->_elementStack) )
+ {
+ $this->_output(
+ str_repeat( $this->_indentStr, count($this->_elementStack) )
+ );
+ }
+ }
+
+ function _output($raw_content)
+ {
+ $this->_encodedXml .= $raw_content;
+ }
+}
+
+class PwgRestEncoder extends PwgResponseEncoder
+{
+ function encodeResponse($response)
+ {
+ global $lang_info;
+ $respClass = strtolower( get_class($response) );
+ if ($respClass=='pwgerror')
+ {
+ $ret = '<?xml version="1.0"?>
+<rsp stat="fail">
+ <err code="'.$response->code().'" msg="'.htmlspecialchars($response->message()).'" />
+</rsp>';
+ return $ret;
+ }
+
+//parent::flattenResponse($response);
+
+ $this->_writer = new PwgXmlWriter();
+ $this->encode($response);
+ $ret = $this->_writer->getOutput();
+ $ret = '<?xml version="1.0" encoding="'.$lang_info['charset'].'" ?>
+<rsp stat="ok">
+'.$ret.'
+</rsp>';
+
+ return $ret;
+ }
+
+ function getContentType()
+ {
+ return 'text/xml';
+ }
+
+ function encode_array($data, $itemName, $xml_attributes=array())
+ {
+ foreach ($data as $item)
+ {
+ $this->_writer->start_element( $itemName );
+ $this->encode($item, $xml_attributes);
+ $this->_writer->end_element( $itemName );
+ }
+ }
+
+ function encode_struct($data, $skip_underscore, $xml_attributes=array())
+ {
+ foreach ($data as $name => $value)
+ {
+ if (is_numeric($name))
+ continue;
+ if ($skip_underscore and $name[0]=='_')
+ continue;
+ if ( is_null($value) )
+ continue; // null means we dont put it
+ if ( $name==WS_XML_ATTRIBUTES)
+ {
+ foreach ($value as $attr_name => $attr_value)
+ {
+ $this->_writer->write_attribute($attr_name, $attr_value);
+ }
+ unset($data[$name]);
+ }
+ else if ( isset($xml_attributes[$name]) )
+ {
+ $this->_writer->write_attribute($name, $value);
+ unset($data[$name]);
+ }
+ }
+
+ foreach ($data as $name => $value)
+ {
+ if (is_numeric($name))
+ continue;
+ if ($skip_underscore and $name[0]=='_')
+ continue;
+ if ( is_null($value) )
+ continue; // null means we dont put it
+ if ($name!=WS_XML_CONTENT)
+ $this->_writer->start_element($name);
+ $this->encode($value);
+ if ($name!=WS_XML_CONTENT)
+ $this->_writer->end_element($name);
+ }
+ }
+
+ function encode($data, $xml_attributes=array() )
+ {
+ switch (gettype($data))
+ {
+ case 'null':
+ case 'NULL':
+ $this->_writer->write_content('');
+ break;
+ case 'boolean':
+ $this->_writer->write_content($data ? '1' : '0');
+ break;
+ case 'integer':
+ case 'double':
+ $this->_writer->write_content($data);
+ break;
+ case 'string':
+ $this->_writer->write_content($data);
+ break;
+ case 'array':
+ $is_array = range(0, count($data) - 1) === array_keys($data);
+ if ($is_array)
+ {
+ $this->encode_array($data, 'item' );
+ }
+ else
+ {
+ $this->encode_struct($data, false, $xml_attributes);
+ }
+ break;
+ case 'object':
+ switch ( strtolower(get_class($data)) )
+ {
+ case 'pwgnamedarray':
+ $this->encode_array($data->_content, $data->_itemName, $data->_xmlAttributes);
+ break;
+ case 'pwgnamedstruct':
+ $this->encode_array( array($data->_content), $data->_name, $data->_xmlAttributes);
+ break;
+ default:
+ $this->encode_struct(get_object_vars($data), true);
+ break;
+ }
+ break;
+ default:
+ trigger_error("Invalid type ". gettype($data)." ".get_class($data), E_USER_WARNING );
+ }
+ }
+}
+
+?>
diff --git a/include/ws_protocols/rest_handler.php b/include/ws_protocols/rest_handler.php
new file mode 100644
index 000000000..184fc205a
--- /dev/null
+++ b/include/ws_protocols/rest_handler.php
@@ -0,0 +1,60 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $
+// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $
+// | last modifier : $Author: rvelices $
+// | revision : $Rev: 1678 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+class PwgRestRequestHandler
+{
+ function handleRequest(&$service)
+ {
+ $params = array();
+
+ $param_array = $service->isPost() ? $_POST : $_GET;
+ foreach ($param_array as $name => $value)
+ {
+ if ($name=='format')
+ continue;
+ if ($name=='method')
+ {
+ $method = $value;
+ }
+ else
+ {
+ $params[$name]=$value;
+ }
+ }
+
+ if ( empty($method) )
+ {
+ $service->sendResponse(
+ new PwgError(400, 'Missing "method" name')
+ );
+ return;
+ }
+ $resp = $service->invoke($method, $params);
+ $service->sendResponse($resp);
+ }
+}
+
+?>
diff --git a/include/ws_protocols/xmlrpc_encoder.php b/include/ws_protocols/xmlrpc_encoder.php
new file mode 100644
index 000000000..69919165e
--- /dev/null
+++ b/include/ws_protocols/xmlrpc_encoder.php
@@ -0,0 +1,118 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $
+// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $
+// | last modifier : $Author: rvelices $
+// | revision : $Rev: 1678 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+function xmlrpc_encode($data)
+{
+ switch (gettype($data))
+ {
+ case 'boolean':
+ return '<boolean>'.($data ? '1' : '0').'</boolean>';
+ case 'integer':
+ return '<int>'.$data.'</int>';
+ case 'double':
+ return '<double>'.$data.'</double>';
+ case 'string':
+ return '<string>'.htmlspecialchars($data).'</string>';
+ case 'object':
+ case 'array':
+ $is_array = range(0, count($data) - 1) === array_keys($data);
+ if ($is_array)
+ {
+ $return = '<array><data>'."\n";
+ foreach ($data as $item)
+ {
+ $return .= ' <value>'.xmlrpc_encode($item)."</value>\n";
+ }
+ $return .= '</data></array>';
+ }
+ else
+ {
+ $return = '<struct>'."\n";
+ foreach ($data as $name => $value)
+ {
+ $name = htmlspecialchars($name);
+ $return .= " <member><name>$name</name><value>";
+ $return .= xmlrpc_encode($value)."</value></member>\n";
+ }
+ $return .= '</struct>';
+ }
+ return $return;
+ }
+}
+
+class PwgXmlRpcEncoder extends PwgResponseEncoder
+{
+ function encodeResponse($response)
+ {
+ $respClass = strtolower( get_class($response) );
+ if ($respClass=='pwgerror')
+ {
+ $code = $response->code();
+ $msg = htmlspecialchars($response->message());
+ $ret = <<<EOD
+<methodResponse>
+ <fault>
+ <value>
+ <struct>
+ <member>
+ <name>faultCode</name>
+ <value><int>{$code}</int></value>
+ </member>
+ <member>
+ <name>faultString</name>
+ <value><string>{$msg}</string></value>
+ </member>
+ </struct>
+ </value>
+ </fault>
+</methodResponse>
+EOD;
+ return $ret;
+ }
+
+ parent::flattenResponse($response);
+ $ret = xmlrpc_encode($response);
+ $ret = <<<EOD
+<methodResponse>
+ <params>
+ <param>
+ <value>
+ $ret
+ </value>
+ </param>
+ </params>
+</methodResponse>
+EOD;
+ return $ret;
+ }
+
+ function getContentType()
+ {
+ return 'text/xml';
+ }
+}
+
+?>