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最近做直播平台试用了一下阿里的直播服务，阿里的sdk写的有点绕，自己建了一个基类去实现签名提交和创建推拉流地址
请求和加签名的基类：
<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2016/12/8 0008
* Time: 11:05
*/
class Aliyun{
private $accessKeyId = ""; //密钥ID
private $accessKeySecret = ""; //密钥
public $version = "2014-11-11"; //API版本号
public $format = "JSON"; //返回值类型
private $domainParameters = "";
public $video_host=''; //推流域名
public $appName="test"; //应用名
public $privateKey=""; //鉴权
public $vhost=""; //加速域名
public $msg;
/**
* 访问阿ali接口进行请求并返回ali返回值
* @param array $apiParams 接口自定义参数
* @param string $credential 传值方式默认get
* @param string $domain 请求地址
*/
public function aliApi($apiParams,$credential="GET", $domain="cdn.aliyuncs.com")
{
date_default_timezone_set("GMT");
$apiParams['Format'] = $this->format;
$apiParams['SignatureMethod'] = "HMAC-SHA1";//签名算法
$apiParams['SignatureNonce'] = rand(100000,999999);//随机数
$apiParams['SignatureVersion'] = '1.0';//签名算法版本
$apiParams['TimeStamp'] =date('Y-m-d\TH:i:s\Z');//请求时间
$apiParams['Version'] = $this->version;
$apiParams["AccessKeyId"]=$this->accessKeyId;
$accessSecret = $this->accessKeySecret;
$apiParams["Signature"] = $this->computeSignature($credential,$apiParams,$accessSecret);
if($credential == "POST") {
$requestUrl = "https://". $domain . "/";
foreach ($apiParams as $apiParamKey => $apiParamValue)
{
$this->putDomainParameters($apiParamKey,$apiParamValue);
}
$url= $requestUrl;
}
else {
$requestUrl = "http://". $domain . "/?";
foreach ($apiParams as $apiParamKey => $apiParamValue)
{
$requestUrl .= "$apiParamKey=" . urlencode($apiParamValue) . "&";
}
$url= substr($requestUrl, 0, -1);
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false); //处理http证书问题
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$ret = curl_exec($ch);
if (false === $ret) {
$ret = curl_errno($ch);
$this->message = 'curl方法出错，错误号：'.$ret;
return false;
}
curl_close($ch);
if( $this->format == "JSON")
return json_decode($ret,true);
elseif($this->format =="XML"){
return $this->xmlToArray($ret);
}else
return $ret;
}
/**
* 计算签名
* @param $credential
* @param $parameters
* @param $accessKeySecret
* @return string
*/
private function computeSignature($credential,$parameters, $accessKeySecret)
{
ksort($parameters);
$canonicalizedQueryString = '';
foreach($parameters as $key => $value)
{
$canonicalizedQueryString .= '&' . $this->percentEncode($key). '=' . $this->percentEncode($value);
}
$stringToSign = $credential.'&%2F&' . $this->percentencode(substr($canonicalizedQueryString, 1));
$signature = $this->signString($stringToSign, $accessKeySecret."&");
return $signature;
}
/**
* url编码
* @param $str
* @return mixed|string
*/
protected function percentEncode($str)
{
$res = urlencode($str);
$res = preg_replace('/\+/', '%20', $res);
$res = preg_replace('/\*/', '%2A', $res);
$res = preg_replace('/%7E/', '~', $res);
return $res;
}
/**
* get请求时无用没看
* @param $name
* @param $value
*/
public function putDomainParameters($name, $value)
{
$this->domainParameters[$name] = $value;
}
/**
* 对待加密字符串加密
* @param $source
* @param $accessSecret
* @return string
*/
public function signString($source, $accessSecret)
{
return base64_encode(hash_hmac('sha1', $source, $accessSecret, true));
}
/**
* xml转成数组
* @param $xml
* @return mixed
*/
function xmlToArray($xml){
//禁止引用外部xml实体
libxml_disable_entity_loader(true);
$xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
$val = json_decode(json_encode($xmlstring),true);
return $val;
}
}<?php
/**
* Created by PhpStorm.
* User: ForeverTime
* Date: 2016/12/10
* Time: 16:27
*/
class Ali_Lite{
protected $config;
protected $aliLive;
public function __construct()
{
include_once 'Aliyun.php';
$this -> aliLive = new Aliyun();
}
/**
* 查询在线人数
* @param $domainName 直播域名
* @param $appName 应用名
* @param $streamName 推流名
*/
public function describeLiveStreamOnlineUserNum($domainName,$appName,$streamName){
$apiParams = array(
'Action'=>'DescribeLiveStreamOnlineUserNum',
'DomainName'=>$domainName,
'AppName'=>$appName,
'StreamName'=>$streamName,
);
return $this -> aliLive -> aliApi($apiParams,$credential="GET", $domain="cdn.aliyuncs.com");
}
/**
* 获取某个域名或应用下的直播流操作记录
* @param $domainName 域名
* @param $appName 应用名
* @param $streamName 推流名
*/
public function describeLiveStreamsControlHistory($domainName,$appName,$startTime,$endTime){
$apiParams = array(
'Action'=>'DescribeLiveStreamsControlHistory',
'DomainName'=>$domainName,
'AppName'=>$appName,
'StartTime'=>$startTime,
'EndTime'=>$endTime,
);
return $this -> aliLive -> aliApi($apiParams,$credential="GET", $domain="cdn.aliyuncs.com");
}
/**
* 查看指定域名下（或者指定域名下某个应用）的所有正在推的流的信息
* @param $domainName 域名
* @param $appName 应用名
* @return bool|int|mixed
*/
public function describeLiveStreamsOnlineList($domainName,$appName){
$apiParams = array(
'Action'=>'DescribeLiveStreamsOnlineList',
'DomainName'=>$domainName,
'AppName'=>$appName,
);
return $this -> aliLive -> aliApi($apiParams,$credential="GET", $domain="cdn.aliyuncs.com");
}
/**
* 查询推流黑名单列表
* @param $domainName 域名
* @return bool|int|mixed
*/
public function describeLiveStreamsBlockList($domainName){
$apiParams = array(
'Action'=>'DescribeLiveStreamsBlockList',
'DomainName'=>$domainName,
);
return $this -> aliLive -> aliApi($apiParams,$credential="GET", $domain="cdn.aliyuncs.com");
}
/**
* 生成推流地址
* @param $streamName 用户专有名
* @param $vhost 加速域名
* @param $time 有效时间单位秒
*/
public function getPushSteam($streamName,$vhost,$time=3600){
$time = time()+$time;
$videohost = $this->aliLive->video_host;
$appName=$this->aliLive->appName;
$privateKey=$this->aliLive->privateKey;
if($privateKey){
$auth_key =md5('/'.$appName.'/'.$streamName.'-'.$time.'-0-0-'.$privateKey);
$url =$videohost.'/'.$appName.'/'.$streamName.'?vhost='.$vhost.'&auth_key='.$time.'-0-0-'.$auth_key;
}else{
$url = $videohost.'/'.$appName.'/'.$streamName.'?vhost='.$vhost;
}
return $url;
}
/**
* 生成拉流地址
* @param $streamName 用户专有名
* @param $vhost 加速域名
* @param $type 视频格式 支持rtmp、flv、m3u8三种格式
*/
public function getPullSteam($streamName,$vhost,$time=3600,$type='rtmp'){
$time = time()+$time;
$appName=$this->aliLive->appName;
$privateKey=$this->aliLive->privateKey;
$url='';
switch ($type){
case 'rtmp':
$host = 'rtmp://'.$vhost;
$url = '/'.$appName.'/'.$streamName;
break;
case 'flv':
$host = 'http://'.$vhost;
$url = '/'.$appName.'/'.$streamName.'.flv';
break;
case 'm3u8':
$host = 'http://'.$vhost;
$url = '/'.$appName.'/'.$streamName.'.m3u8';
break;
}
if($privateKey){
$auth_key =md5($url.'-'.$time.'-0-0-'.$privateKey);
$url = $host.$url.'?auth_key='.$time.'-0-0-'.$auth_key;
}else{
$url = $host.$url;
}
return $url;
}
/**
* 禁止推流接口
* @param $domainName 您的加速域名
* @param $appName 应用名称
* @param $streamName 流名称
* @param $liveStareamName 用于指定主播推流还是客户端拉流, 目前支持”publisher” (主播推送)
* @param $resumeTime 恢复流的时间 UTC时间 格式：2015-12-01T17:37:00Z
* @return bool|int|mixed
*/
public function forbid($streamName,$resumeTime,$domainName='www.test.com',$appName='xnl',$liveStreamType='publisher'){
$apiParams = array(
'Action'=>'ForbidLiveStream',
'DomainName'=>$domainName,
'AppName'=>$appName,
'StreamName'=>$streamName,
'LiveStreamType'=>$liveStreamType,
'ResumeTime'=>$resumeTime
);
return $this -> aliLive -> aliApi($apiParams,$credential="GET", $domain="cdn.aliyuncs.com");
}
/**
* 恢复直播流推送
* @param $streamName 流名称
* @param string $appName 应用名称
* @param string $liveStreamType 用于指定主播推流还是客户端拉流, 目前支持”publisher” (主播推送)
* @param string $domainName 您的加速域名
*/
public function resumeLive($streamName,$domainName='www.test.top',$appName='xnl',$liveStreamType='publisher'){
$apiParams = array(
'Action'=>'ResumeLiveStream',
'DomainName'=>$domainName,
'AppName'=>$appName,
'StreamName'=>$streamName,
'LiveStreamType'=>$liveStreamType,
);
return $this -> aliLive -> aliApi($apiParams,$credential="GET", $domain="cdn.aliyuncs.com");
}
}