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119 lines
3 KiB
PHP
119 lines
3 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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class StaticHtmlOutput_UrlRequest
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{
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protected $_url;
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protected $_response;
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public function __construct($url, $cleanMeta = false)
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{
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$this->_url = filter_var(trim($url), FILTER_VALIDATE_URL);
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$this->_cleanMeta = $cleanMeta;
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$response = wp_remote_get($this->_url,array('timeout'=>300)); //set a long time out
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$this->_response = '';
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if (is_wp_error($response)) {
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error_log('WP_ERROR');
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error_log(print_r($response, true));
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$this->_response = 'FAIL';
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} else {
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$this->_response = $response;
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}
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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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public function checkResponse()
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{
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return $this->_response;
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}
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public function setResponseBody($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'] = $newBody;
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}
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}
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public function getResponseBody()
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{
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return isset($this->_response['body']) ? $this->_response['body'] : '';
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}
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public function getContentType()
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{
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return isset($this->_response['headers']['content-type']) ? $this->_response['headers']['content-type'] : null;
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}
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public function isHtml()
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{
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return stripos($this->getContentType(), 'html') !== false;
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}
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public function isRewritable()
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{
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$contentType = $this->getContentType();
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return (stripos($contentType, 'html') !== false) || (stripos($contentType, 'text') !== false);
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}
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public function cleanup()
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{
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if ($this->isHtml())
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{
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if ($this->_cleanMeta)
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{
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$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($responseBody);
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}
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}
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}
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public function extractAllUrls($baseUrl)
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{
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$allUrls = array();
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// TODO: will this follow urls for JS/CSS easily by adjusting?
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if ($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 $allUrls;
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}
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public function replaceBaseUlr($oldBaseUrl, $newBaseUrl)
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{
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if ($this->isRewritable())
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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", $responseBody);
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/* fix for cases where URL has been escaped/modified, ie
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http:\/\/banana.com\/
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//banana.com
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https:// -> http:// */
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$oldDomain = parse_url($oldBaseUrl);
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$oldDomain = $oldDomain['host'];
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$newDomain = parse_url($newBaseUrl);
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$newDomain = $newDomain['host'];
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$responseBody = str_replace($oldDomain, $newDomain, $responseBody);
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$this->setResponseBody($responseBody);
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}
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}
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}
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