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webparser.php
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webparser.php
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<?php
/**
* LMS Library
*
* @version $Id: webparser.php 302 2010-02-01 18:44:00Z Администратор $
* @copyright 2007
* @author Ilya Spesivtsev <macondos@gmail.com>
* @package WebParser
*/
/**
* Including depends
*/
if (!class_exists("Modular")) {
if (defined('LIB_MODULAR_PATH')) {
require_once LIB_MODULAR_PATH . "/modular.php";
}
}
class WebParser extends Modular{
var $_websites_config;
var $_customer_config;
var $moduleClassNamePreffix = 'SiteParser_';
function WebParser($websites_config = array(), $customer_config = array())
{
$this->_websites_config = $websites_config;
$this->_customer_config = $customer_config;
$this->moduleFileNamePreffix = dirname(__FILE__) . "/modules/";
}
function action($module, $actionName, $params){
if ($class_name = $this->loadModule($module)) {
$site_parser = new $class_name($this->_websites_config, $this->_customer_config);
return call_user_func_array(array(&$site_parser, $actionName), $params);
}
}
function constructPath($module,$action,$params){
if ($class_name = $this->loadModule($module)) {
$site_parser = new $class_name($this->_websites_config, $this->_customer_config);
return $site_parser->constructPath($action,$params);
}
}
function Parse($module,$what,$params){
if ($class_name = $this->loadModule($module)) {
$site_parser = new $class_name($this->_websites_config, $this->_customer_config);
return $site_parser->Parse($params['path'], $what);
}
}
}
class SiteParser {
var $host;
var $_websites_config;
var $_customer_config;
var $phpHttpRequestClient;
function SiteParser($websites_config = array(), $customer_config = array())
{
$this->_websites_config = $websites_config;
$this->_customer_config = $customer_config;
}
function compactTags($htmlText)
{
return preg_replace('/>(\s+)</i', '><', $htmlText);
}
function absUrl($path, $parentpath='', $encode=false){
//fixing problem in windows-system
$strTransform = array("\\"=>"/");
$path = strtr($path, $strTransform);
$parentpath = strtr($parentpath, $strTransform);
if ($encode){
$start = 0;
if (substr($path,0,7)=='http://') $start = 3;
$t = explode("/",$path);
for ($i=$start;$i<count($t);$i++) $t[$i] = rawurlencode ($t[$i]);
$path = implode("/",$t);
}
if (substr($parentpath,-1)!='/') $parentpath .= '/';
if ($path{0}=='/')
return 'http://' . $this->host . $path;
elseif (substr($path,0,7)=='http://')
return $path;
elseif($parentpath{0}=='/')
return 'http://' . $this->host . $parentpath . $path;
elseif (substr($parentpath,0,7)=='http://')
return $parentpath . $path;
}
/**
* @abstract
*/
function constructPath($params){
}
function getHttpRetriever($path){
//Including depends
if (!class_exists("http")) {
if (defined('LIB_HTTP_PATH')) {
require_once LIB_HTTP_PATH . "/http.php";
}
}
$httpClient = new http( HTTP_V11, false);
$parsedUrl = parse_url($path);
$httpClient->host = isset($parsedUrl['host']) ? $parsedUrl['host'] : $this->host;
$httpClient->port = isset($parsedUrl['port']) ? $parsedUrl['port'] : 80;
$path = $parsedUrl['path'] . (isset($parsedUrl['query'])? ('?'.$parsedUrl['query']) : '');
$proxySettings = isset($this->_websites_config[$this->host]['proxy']) ? $this->_websites_config[$this->host]['proxy'] : $this->_websites_config['default']['proxy'];
if ($proxySettings) {
$parsedUrl = parse_url($proxySettings);
$httpClient->use_proxy($parsedUrl['host'], $parsedUrl['port'], $parsedUrl['user'], $parsedUrl['pass']);
}
if (isset($this->_websites_config['default']['user_agent'])) {
$httpClient->user_agent = $this->_websites_config['default']['user_agent'];
}
if (isset($this->_websites_config[$this->host]['user_agent'])) {
$httpClient->user_agent = $this->_websites_config[$this->host]['user_agent'];
}
$connectionTimeout = isset($this->_websites_config[$this->host]['connection_timeout']) ? $this->_websites_config[$this->host]['connection_timeout'] : (isset($this->_websites_config['default']['connection_timeout'])? $this->_websites_config['default']['connection_timeout'] : 30);
$httpClient->connection_timeout = $connectionTimeout;
return $httpClient;
}
function getStructByUrl($url, $module, $context, $acceptedAttaches = array(), $followRidrects = false)
{
$res = false;
$request = array(
'action' => 'parseUrl',
'url' => $url,
'context' => $context,
'module' => $module,
'accepted_attaches' => $acceptedAttaches
);
$result = $this->execServiceAction($request);
if ($result['success']) {
$res = $result['response'];
} elseif (in_array($result['response'], array(404,500))) {
$httpClient = $this->getHttpRetriever($url);
$response = $httpClient->get($url, $followRidrects, '', true, true);
$request['action'] = 'parseResponse';
$request['response'] = $response;
$result = $this->execServiceAction($request);
if ($result['success']) {
$res = $result['response'];
}
} else {
trigger_error($result['response'] . ' ' . $result['message'], E_USER_WARNING);
}
if ($res && count($acceptedAttaches) && isset($res['suburls'])) {
foreach ($res['suburls'] as $attachName => $subUrlStruct) {
if (!isset($res['attaches'][$attachName])) {
list($subModule, $subContext, $subUrl) = $subUrlStruct;
$res['attaches'][$attachName] = $this->getStructByUrl($subUrl, $subModule, $subContext);
}
}
}
return $res;
}
function execServiceAction($request)
{
if (!$this->phpHttpRequestClient) {
$httpClient = $this->getHttpRetriever('http://lms.local/');
if (!class_exists("PhpHttpRequestClient")) {
if (defined('LIB_PHP_HTTP_REQUEST_PATH')) {
require_once LIB_PHP_HTTP_REQUEST_PATH . "/php_http_request_client.php";
}
}
$this->phpHttpRequestClient = new PhpHttpRequestClient($httpClient);
}
$params = array();
$params['view_method'] = 'php';
$logonRequest = array(
'action' => 'logon',
'username' => $this->_customer_config['login'],
'password' => $this->_customer_config['pass'],
'auth_provider_key' => 'local'
);
$logonRequestID = $this->_addParams($logonRequest, $params, 0);
$requestID = $this->_addParams($request, $params, $logonRequestID);
$response = $this->phpHttpRequestClient->query($this->_customer_config['parser_service'], $params);
if (strlen($response['text'])) echo $response['text'];
$result = $response['php'];
//print_r($params);
//print_r($result);
return $result[$requestID];
}
function _addParams($inParams, &$outParams, $lastActionNum=0){
$actionNum = $lastActionNum + 1;
foreach ($inParams as $paramKey=>$paramValue){
$outParams[$paramKey][$actionNum] = $paramValue;
}
return $actionNum;
}
}
?>