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131 lines
No EOL
2.8 KiB
PHP
131 lines
No EOL
2.8 KiB
PHP
<?php
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/**
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* @package WP Static HTML Output
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*
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* Copyright (c) 2011 Leon Stafford
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*/
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/**
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* Url request class
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*/
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class StaticHtmlOutput_UrlRequest
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{
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/**
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* The URI resource
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* @var string
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*/
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protected $_url;
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/**
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* The raw response from the HTTP request
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* @var string
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*/
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protected $_response;
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/**
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* Constructor
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* @param string $url URI resource
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*/
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public function __construct($url)
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{
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$this->_url = filter_var($url, FILTER_VALIDATE_URL);
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$response = wp_remote_get($this->_url,array('timeout'=>300)); //set a long time out
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$this->_response = (is_wp_error($response) ? '' : $response);
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}
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/**
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* Returns the sanitized url
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* @return string
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*/
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public function getUrl()
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{
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return $this->_url;
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}
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/**
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* Allows to override the HTTP response body
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* @param string $newBody
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* @return void
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*/
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public function setResponseBody($newBody)
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{
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if (is_array($this->_response))
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{
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$this->_response['body'] = $newBody;
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}
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}
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/**
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* Returns the HTTP response body
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* @return string
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*/
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public function getResponseBody()
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{
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return isset($this->_response['body']) ? $this->_response['body'] : '';
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}
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/**
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* Returns the content type
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* @return string
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*/
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public function getContentType()
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{
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return isset($this->_response['headers']['content-type']) ? $this->_response['headers']['content-type'] : null;
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}
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/**
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* Checks if content type is html
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* @return bool
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*/
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public function isHtml()
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{
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return stripos($this->getContentType(), 'html') !== false;
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}
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/**
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* Removes WordPress-specific meta tags
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* @return void
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*/
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public function cleanup()
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{
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if ($this->isHtml())
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{
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$responseBody = preg_replace('/<link rel=["\' ](pingback|alternate|EditURI|wlwmanifest|index|profile|prev)["\' ](.*?)>/si', '', $this->getResponseBody());
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$responseBody = preg_replace('/<meta name=["\' ]generator["\' ](.*?)>/si', '', $responseBody);
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$this->setResponseBody($responseBody);
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}
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}
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/**
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* Extracts the list of unique urls
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* @param string $baseUrl Base url of site. Used to extract urls that relate only to the current site.
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* @return array
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*/
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public function extractAllUrls($baseUrl)
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{
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$allUrls = array();
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if ($this->isHtml() && preg_match_all('/' . str_replace('/', '\/', $baseUrl) . '[^"\'#\? ]+/i', $this->_response['body'], $matches))
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{
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$allUrls = array_unique($matches[0]);
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}
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return $allUrls;
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}
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/**
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* Replaces base url
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* @param string $oldBaseUrl
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* @param string $newBaseUrl
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* @return void
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*/
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public function replaceBaseUlr($oldBaseUrl, $newBaseUrl)
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{
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if ($this->isHtml())
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{
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$responseBody = str_replace($oldBaseUrl, $newBaseUrl, $this->getResponseBody());
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$responseBody = str_replace('<head>', "<head>\n<base href=\"" . esc_attr($newBaseUrl) . "\" />\n", $responseBody);
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$this->setResponseBody($responseBody);
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}
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}
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} |
