多说评论实时同步回数据库

多说评论实时同步回数据库，依赖Http库，随便找一个就行

/**
* 多说 实时同步评论回本地数据库 API
*/
namespace Home\Controller;
use Think\Controller;
class DuoshuoController extends Controller {
public function duoshuo(){

if (check_signature($_POST)) {

$Comment = M('comment');
$where['name'] = array('in','last_log_id');
$last_log_id = M('setting')->where($where)->getField('value');
Vendor('CurlHTTP.Http');

$limit = 20;

$params = array(
'limit' => $limit,
'order' => 'asc',
);


$posts = array();

if (!$last_log_id)
$last_log_id = 0;

$params['since_id'] = $last_log_id;
$params['short_name'] = C(DUOSHUO_SHORT_NAME);
$params['secret'] = C(DUOSHUO_SECRET);
$http_client = new \Http();
$response = $http_client->request('http://api.duoshuo.com/log/list.json', $params ,'GET');

$response = json_decode($response,true);

if (!isset($response['response'])) {
//处理错误,错误消息$response['message'], $response['code']
file_log("签名错误");
} else {
//遍历返回的response，你可以根据action决定对这条评论的处理方式。
foreach($response['response'] as $k => $log){
switch($log['action']){
case 'create':
foreach ($log['meta'] as $key => $value) {
$create[$key]['post_id'] = $log['meta']['post_id'];
$create[$key]['thread_id'] = $log['meta']['thread_id'];
$create[$key]['author_id'] = $log['meta']['author_id'];
$create[$key]['author_name'] = $log['meta']['author_name'];
$create[$key]['author_email'] = $log['meta']['author_email'];
$create[$key]['author_url'] = $log['meta']['author_url'];
$create[$key]['author_key'] = $log['meta']['author_key'];
$create[$key]['ip'] = $log['meta']['ip'];
$create[$key]['created_at'] = $log['meta']['created_at'];
$create[$key]['message'] = $log['meta']['message'];
$create[$key]['status'] = $log['meta']['status'];
$create[$key]['type'] = $log['meta']['type'];
if($log['meta']['parent_id'] != ""){
$create[$key]['parent_id'] = $log['meta']['parent_id'];
}
$create[$key]['thread_key'] = $log['meta']['thread_key'];
$create[$key]['user_id'] = $log['user_id'];
$create[$key]['date'] = $log['date'];
}
break;
case 'approve':
//这条评论是通过的评论
foreach ($log['meta'] as $key => $value) {
$approve[$key]['post_id'] .= $value.",";
}
break;
case 'spam':
//这条评论是标记垃圾的评论
foreach ($log['meta'] as $key => $value) {
$spam[$key]['post_id'] .= $value.",";
}
break;
case 'delete':
//这条评论是删除的评论
foreach ($log['meta'] as $key => $value) {
$delete[$key]['post_id'] .= $value.",";
}
break;
case 'delete-forever':
//彻底删除的评论
foreach ($log['meta'] as $key => $value) {
$delete_forever[$key]['post_id'] .= $value.",";
}
break;
default:
break;
}
// 更新处理数据
switch($log['action']){
case 'create':
foreach ($create as $key => $value) {
if($value != ""){
$Comment->add($value);
}
break;
}
case 'approve':
//这条评论是通过的评论
foreach ($approve as $key => $value) {
if($value != ""){
$Comment->where(array('post_id'=>array('in',''. substr($value['post_id'], 0,-1) .'')))->setField('status','approved');
}
}
break;
case 'spam':
//这条评论是标记垃圾的评论
foreach ($spam as $key => $value) {
if($value != ""){
$Comment->where(array('post_id'=>array('in',''. substr($value['post_id'], 0,-1) .'')))->setField('status','spam');
}
}
break;
case 'delete':
//这条评论是删除的评论
foreach ($delete as $key => $value) {
if($value != ""){
$Comment->where(array('post_id'=>array('in',''. substr($value['post_id'], 0,-1) .'')))->setField('status','delete');
}
}
break;
case 'delete-forever':
//彻底删除的评论
foreach ($delete_forever as $key => $value) {
if($value != ""){
$Comment->where(array('post_id'=>array('in',''. substr($value['post_id'], 0,-1) .'')))->delete();
}
}
break;
default:
break;
}
//更新last_log_id，记得维护last_log_id。（如update你的数据库）
if (strlen($log['log_id']) > strlen($last_log_id) || strcmp($log['log_id'], $last_log_id) > 0) {
M('setting')->where(array('name'=>"last_log_id"))->setField('value',$log['log_id']);
}
}
}

}

}
}/**
*
* 多说检查签名
*
*/
function check_signature($input){

$signature = $input['signature'];
unset($input['signature']);

ksort($input);
$baseString = http_build_query($input, null, '&');
$expectSignature = base64_encode(hmacsha1($baseString, C(DUOSHUO_SECRET)));
if ($signature !== $expectSignature) {
return false;
}
return true;
}


// from: http://www.php.net/manual/en/function.sha1.php#39492
// Calculate HMAC-SHA1 according to RFC2104
// http://www.ietf.org/rfc/rfc2104.txt
// 多说
function hmacsha1($data, $key) {
if (function_exists('hash_hmac'))
return hash_hmac('sha1', $data, $key, true);

$blocksize=64;
if (strlen($key)>$blocksize)
$key=pack('H*', sha1($key));
$key=str_pad($key,$blocksize,chr(0x00));
$ipad=str_repeat(chr(0x36),$blocksize);
$opad=str_repeat(chr(0x5c),$blocksize);
$hmac = pack(
'H*',sha1(
($key^$opad).pack(
'H*',sha1(
($key^$ipad).$data
)
)
)
);
return $hmac;
}配置

//多说
'DUOSHUO_SECRET'=>'78bd15a3d4fb3000657741a1319bbbbe',
'DUOSHUO_SHORT_NAME'=>'muxu',

参考 http://dev.duoshuo.com/threads/50037b11b66af78d0c000009


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