PHP实战：SAE实时日志接口SDK用法示例

class SaeApiHandler{
  /**
  *  定义accessKey
  */
  private $accessKey;
  /**
  *  定义secretKey
  */
  private $secretKey;
  /**
  *  定义时间戳
  */
  private $timestamp;
  /**
  *  构造函数
  */
  public function __construct($key,$sec){
    $this->accessKey = $key;
    $this->secretKey = $sec;
    $this->timestamp = time();
  }
  /**
  *  重载get方法
  */
  public function __call($name,$arg){
    $ret = array();
    if (is_array($arg[0])) {
      $len = count($arg);
      for ($i=0; $i < $len; $i++) {
        $ret[$i] = $arg[$i]['fop'] ? $this->$name($arg[$i]['service'],$arg[$i]['date'],$arg[$i]['ident'],$arg[$i]['fop']):$this->$name($arg[$i]['service'],$arg[$i]['date'],$arg[$i]['ident']);
      }
    }else{
      $ret = $arg[3] ? $this->$name($arg[0],$arg[1],$arg[2],$arg[3]) : $this->get($arg[0],$arg[1],$arg[2]);
    }
    return $ret;
  }
  /**
  *  获取日志
  *  @param string 需要的日志
  *  @param string 时间
  *  @param string 日志类型
  *  @param string 过滤符
  *  @return array
  */
  private function getLog($service,$date,$ident,$fop=null){
    if ($fop) {
      $uri = '/log/'.$service.'/'.$date.'/'.$_SERVER['HTTP_APPVERSION'].'-'.$ident.'.log?'.$fop;
    }else{
      $uri = '/log/'.$service.'/'.$date.'/'.$_SERVER['HTTP_APPVERSION'].'-'.$ident.'.log';
    }
    $ret = explode(PHP_EOL,$this->get($uri));
    array_splice($ret,0,7);
    array_pop($ret);
    return $ret;
  }
  private function get($uri){
    $host = 'http://g.sae.sina.com.cn'.$uri;
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,$host);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $this->saeHeader($uri));
    curl_setopt($ch, CURLOPT_HEADER, 1);
    $ret = curl_exec($ch);
    curl_close($ch);
    return $ret;
  }
  /**
  *  SAE请求头
  *  @return array
  */
  private function saeHeader($uri){
    return array(
        'Host: g.sae.sina.com.cn',
        'Accept: text/plain',
        'x-sae-accesskey: '.$this->accessKey,
        'x-sae-timestamp: '.$this->timestamp,
        'Authorization: '. $this->getAuthorization($uri)
      );
  }
  /**
  *  获取gAuthorization
  */
  private function getAuthorization($uri){
    $header = array(
        'x-sae-timestamp' => $this->timestamp,
        'x-sae-accesskey' => strtolower($this->accessKey)
      );
    ksort($header);
    $sae_header = array('GET',$uri);
    foreach ($header as $key => $value) {
      $sae_header[count($sae_header)] = $key.':'.$value;
    }
    $ret = implode(PHP_EOL, $sae_header);
    $auth = 'SAEV1_HMAC_SHA256 '.base64_encode(hash_hmac('sha256',$ret,$this->secretKey,true));
    return $auth;
  }
}

$test = new SaeApiHandler(SAE_ACCESSKEY,SAE_SECRETKEY);
$arr1 = array(
  'service'=>'http',
  'date'=>'2015-07-03',
  'ident'=>'access',
  'fop'=>'head/1/5'
  );
$arr2 = array(
  'service'=>'http',
  'date'=>'2015-07-03',
  'ident'=>'access',
  'fop'=>'head/1/5'
  );
$ret = $test->getLog($arr1,$arr2);
var_dump($ret);