152 lines
7.0 KiB
PHP
152 lines
7.0 KiB
PHP
<?php
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namespace Admin\Model;
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use Think\Model;
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class WxCrawlerModel extends Model{
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/** @var 代理 */
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protected $agent = array(
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"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
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"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
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"Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
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"Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
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"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
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"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
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"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
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"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",
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"Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
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"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",
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"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",
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"Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
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"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
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"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
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"Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",
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);
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public $host = '';
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public $header = '';
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public $referer = '';
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public $antiLeech = '';
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public function __construct($host='', $referer='', $proxy=false)
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{
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/** @var 初始化curl信息 */
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$this->header = $this->agent[rand(0,count($this->agent) - 1)];
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$this->referer = empty($referer)?'http://weixin.sogou.com/' : $referer;
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$this->host = empty($host)?'weixin.sogou.com' : $host;
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/** @var 处理微信图片的防盗链 */
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$this->antiLeech = '/Public/Home/GetWeChatImg.php?url=';
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$this->antiLeech = 'http://'.$_SERVER['SERVER_NAME'].'/Public/Home/GetWeChatImg.php?url=';
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}
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/**
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* 爬取内容
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* @author bignerd
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* @since 2016-08-16T10:13:58+0800
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* @param $url
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*/
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public function _get($url)
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{
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// $ch=curl_init($url);
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// $options = [
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// CURLOPT_USERAGENT => $this->agent,
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// CURLOPT_REFERER => $this->referer,
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// ];
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// curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
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// curl_setopt($ch,CURLOPT_BINARYTRANSFER,true);
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// curl_setopt($ch,CURLOPT_TIMEOUT,60);
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// $output=curl_exec($ch);
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// return $output;
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$html = file_get_contents($url);
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return $html;
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}
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public function crawByUrl($url)
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{
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$content = $this->_get($url);
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$basicInfo = $this->articleBasicInfo($content);
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list($content_html, $content_text) = $this->contentHandle($content);
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$result= array_merge($basicInfo,array('content_html' => $content_html,'content_text' => $content_text));
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$result[cover]=$result[cover]?$this->antiLeech.$result[cover]:"";
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return $result;
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}
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/**
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* 处理微信文章源码，提取文章主体，处理图片链接
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* @author bignerd
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* @since 2016-08-16T15:59:27+0800
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* @param $content 抓取的微信文章源码
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* @return [带图html文本，无图html文本]
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*/
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public function contentHandle($content)
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{
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$content_html_pattern = '/<div class="rich_media_content " id="js_content" style="visibility: hidden;">(.*?)<\/div>/s';
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preg_match_all($content_html_pattern, $content, $html_matchs);
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$content_html = $html_matchs[1][0];
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/** @var 带图片html文本 */
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$content_html = preg_replace_callback('/data-src="(.*?)"/', function($matches){
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//如果包含qq视频，则正常返回
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if(strstr($matches[1],"v.qq.com")){
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return 'src='.$matches[1];
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}else{
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return 'src='.$this->antiLeech.urlencode($matches[1]);
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}
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}, $content_html);
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/** @var 无图html文本 */
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$content_text = preg_replace('/<img.*?>/s','',$content_html);
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return array($content_html,$content_text);
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}
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/**
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* 获取文章的基本信息
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* @author bignerd
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* @since 2016-08-16T17:16:32+0800
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* @param $content 文章详情源码
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* @return $basicInfo
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*/
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public function articleBasicInfo($content)
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{
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//待获取item
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$item = array(
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'ct' => 'date',//发布时间
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'msg_title' => 'title',//标题
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'msg_desc' => 'digest',//描述
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'msg_link' => 'content_url',//文章链接
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'msg_cdn_url' => 'cover',//封面图片链接
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'nickname' => 'wechatname',//公众号名称
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);
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$basicInfo = array(
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'author' => '',
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'copyright_stat' => '',
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);
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foreach ($item as $k => $v) {
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$pattern = '/ var '.$k.' = "(.*?)";/s';
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preg_match_all($pattern,$content,$matches);
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if(array_key_exists(1, $matches) && !empty($matches[1][0])){
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$basicInfo[$v] = $this->htmlTransform($matches[1][0]);
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}else{
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$basicInfo[$v] = '';
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}
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}
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/** 获取作者 */
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preg_match('/<em class="rich_media_meta rich_media_meta_text">(.*?)<\/em>/s', $content, $matchAuthor);
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if(!empty($matchAuthor[1])) $basicInfo['author'] = $matchAuthor[1];
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/** 文章类型 */
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preg_match('/<span id="copyright_logo" class="rich_media_meta meta_original_tag">(.*?)<\/span>/s', $content, $matchType);
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if(!empty($matchType[1])) $basicInfo['copyright_stat'] = $matchType[1];
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return $basicInfo;
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}
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/**
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* 特殊字符转换
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* @author bignerd
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* @since 2016-08-16T17:30:52+0800
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* @param $string
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* @return $string
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*/
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public function htmlTransform($string)
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{
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$string = str_replace('"','"',$string);
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$string = str_replace('&','&',$string);
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$string = str_replace('amp;','',$string);
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$string = str_replace('<','<',$string);
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$string = str_replace('>','>',$string);
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$string = str_replace(' ',' ',$string);
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$string = str_replace("\\", '',$string);
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return $string;
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}
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}
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