[wordpress主题]WordPress实现发布/更新文章、提交/审核评论自动清理VeryCloud缓存教程

下面分享一下部署方法。
PHP

/**
* WordPress 发布/更新文章、提交/审核评论自动清理VeryCloud CDN缓存（首页、分类以及当前文章） By 张戈博客
*
* 转载请保留出处，谢谢合作！
**/
 
//发布、更新文章刷新缓存
add_action("publish_post", "refresh_By_Publish", 0);
//提交评论刷新缓存
add_action("comment_post", "refresh_By_Comments",0);
//审核评论刷新缓存
add_action("comment_unapproved_to_approved", "refresh_By_Approved",0);
 
define("CRYPT_SALT", "verycloud#cryptpass");
$cdn_provider = array(
 "verycdn" => array(
  "push" => "https://api3.verycloud.cn/API/cdn/refresh",
  "token" => "https://api3.verycloud.cn/API/OAuth/authorize",
  "username" => "此处填写verycloud用户名",
  "password" => "此处填写verycloud密码",
 ),
);
 
//发布文章更新文章、分类和首页的缓存函数
function refresh_By_Publish($post_ID)
{
    $pageurl    = get_permalink($post_ID);
    $homeurl    = home_url();
   
    $category   = get_the_category();
    if($category[0]){
        //如果文章属于多个分类，默认只刷新第一个分类地址
        $caturl = get_category_link($category[0]->term_id );
        $url    = $pageurl . "," . $caturl . "," . $homeurl;
    } else {
        $url    = $pageurl . "," . $homeurl;
    }
   
    $data = array(
  "type" => "file",
  "urls" => $url
 );
    refresh($data);
}
 
//提交评论刷新当前文章CDN缓存
function refresh_By_Comments($comment_id)
{
    $comment = get_comment($comment_id);
    $url = get_permalink($comment->comment_post_ID);
   
    $data = array(
  "type" => "file",
  "urls" => $url,
 );
    refresh($data);
}
 
//审核评论刷新当前文章CDN缓存
function refresh_By_Approved($comment)
{
    $url = get_permalink($comment->comment_post_ID);
    $data = array(
  "type" => "file",
  "urls" => $url,
 );
    refresh($data);
}
 
function post_data($url, $data, $type = "POST") {
    $ch = curl_init();
 
    // 使用TLS1.0
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1 
 
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 1 );
    curl_setopt($ch, CURLOPT_POST, true);
 
    if ( $type == "POST" ) {
 $parm_string = http_build_query($data, "&");
 curl_setopt($ch, CURLOPT_POSTFIELDS, $parm_string);
    } else {
 curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    }
    $output = curl_exec($ch);
    curl_close($ch);
    return $output;
}
 
//生成tokens
function get_verycdn_token() {
 global $cdn_provider;
 $post_data["username"] = $cdn_provider["verycdn"]["username"];
 $post_data["password"] = encrypt($cdn_provider["verycdn"]["password"]);
 
 $res = post_data($cdn_provider["verycdn"]["token"], $post_data);
 
 $result = json_decode($res);
 return $result->access_token;
 //var_dump($post_data);
 //var_dump($result);
}
 
function encrypt($txtStream) {
        //以下行中的字符串可能需要找客服提供，具体请自行试试。
 $lockstream = "st=lDEFABCNOPyzghi_jQRST-UwxkVWXYZabcdefIJK6/7nopqr89LMmGH012345uv";
 $lockLen = strlen($lockstream);
 $lockCount = rand(0, $lockLen-1);
 $randomLock = $lockstream[$lockCount];
 $password = md5(CRYPT_SALT . $randomLock);
 $txtStream = base64_encode($txtStream);
 $tmpStream = "";
 $i = 0; $j = 0; $k = 0;
 for($i = 0; $i < strlen($txtStream); $i++) {
  $k = ($k == strlen($password)) ? 0 : $k;
  $j = (strpos($lockstream, $txtStream[$i]) + $lockCount + ord($password[$k])) % ($lockLen);
  $tmpStream .= $lockstream[$j];
  $k++;
 }
 return $tmpStream . $randomLock;
}
 
/**
* 提交刷新
* @param $data
* @return array
*/
function refresh($data) {
   global $cdn_provider;
    $token = get_verycdn_token();
    if(!$token) {
      return array(
        "code" => 0,
        "message" => "unable to get token"
      );
    }
    //刷新类型 file 文件 dir 目录
    $type = isset($data["type"]) && !empty($data["type"]) ? trim($data["type"]) : "";
    //刷新url
    $urls = isset($data["urls"]) && !empty($data["urls"]) ? $data["urls"] : "";
    //url分隔符，多个url使用该符号分隔，默认,
    $partition = isset($data["partition"]) && !empty($data["partition"]) ? trim($data["partition"]) : ",";
    if(empty($type) || empty($urls)) {
      return array(
        "code" => 0,
        "message" => "type and urls are required",
      );
    }
 
    $url = $cdn_provider["verycdn"]["push"];
 
    $send_data = array(
      "token" => $token,
      "type" => $type,
      "urls" => $urls,
      "partition" => $partition
    );
 
    $return = post_data($url, $send_data);
    return $return;
}
将以上代码粘贴到WordPress主题functions.php中，然后将 19，20行对应的中文改成VeryCloud的用户名和密码，保存即可。
Ps：貌似VC的缓存刷新API暂时还没完全公开，如果需要部署这个功能，需要联系客服，然后告知需要使用这个刷新CDN缓存的API，然后提供以下用户名给他就好了。而且代码中的lockstream的值可能需要VC客服提供，如果发现上述代码无法成功，请自行咨询VC客服。
部署好了之后，可以去更新文章或提交评论，然后登陆VeryCloud云分发后台，即可看到提交记录

文章地址：https://zhangge.net/5090.html

[wordpress主题]WordPress实现发布/更新文章、提交/审核评论自动清理VeryCloud缓存教程

http://m.bbyears.com/wangyezhizuo/97299.html

推荐访问:wordpress教程 wordpress大学