<?php
class Api_Sms{
  const EXPIRE_SEC = 1800;    // 過期時間間隔
  const RESEND_SEC = 60;     // 重發(fā)時間間隔
  const ONE_DAY_FREQ = 5;    // 每日向同一個手機號發(fā)短信的次數(shù)
  const ONE_DAY_IMEI_COUNT = 3; // 每日向同一個手機號發(fā)送短信的IMEI個數(shù)
 
  public $error = array();
 
 
  /**
   * 向指定手機號發(fā)送驗證碼
   * @param $mobile
   * @param $imei
   * @return bool
   */
  public function sendVerifyCode($mobile, $imei) {
    if(!$this->isMobile($mobile)) {
      $this->error = array('code' => -1, 'msg' => '這個手機號很奇葩哦，請正確輸入后重試');
      return false;
    }
 
    $redis = Api_Common::redis();
    $vcKey = 'VC_'.$mobile;
    $limitKey = 'VC_LIMIT_'.$mobile;
 
    // 驗證碼重發(fā)限制
    $data = json_decode($redis->get($vcKey), true);
    if($data && time() < $data['resend_expire']) {
      $this->error = array('code' => -1, 'msg' => '短信已在1分鐘內(nèi)發(fā)出，請耐心等待');
      return false;
    }
 
    // 手機號及IMEI限制
    $sendCnt = $redis->zScore($limitKey, $imei);
    if($sendCnt && $sendCnt >= self::ONE_DAY_FREQ) {
      $this->error = array('code' => -1, 'msg' => '沒收到短信?請稍等或檢查短信是否被屏蔽');
      return false;
    }
    $imeiCnt = $redis->zCard($limitKey);
    if($imeiCnt >= self::ONE_DAY_IMEI_COUNT && !$sendCnt) {
      $this->error = array('code' => -1, 'msg' => '已超過驗證碼發(fā)送設(shè)備限制');
      return false;
    }
 
    // 獲取驗證碼
    if(!$data) {
      $vc = strval(rand(100000, 999999));
      $data = array('vc' => $vc, 'resend_expire' => 0);
      $redis->set($vcKey, json_encode($data));
      $redis->expire($vcKey, self::EXPIRE_SEC); // 設(shè)置驗證碼過期時間
    }
    $vc = $data['vc'];
 
    $content = '安全驗證碼：'.$vc;
    $result = $this->send($mobile, $content);
    if($result) {
      // 重設(shè)重發(fā)時限
      $data['resend_expire'] = time() + self::RESEND_SEC;
      $ttl = $redis->ttl($vcKey);
      $redis->set($vcKey, json_encode($data));
      $redis->expire($vcKey, $ttl);
 
      // 設(shè)置手機號與IMEI限制
      $redis->zIncrBy($limitKey, 1, $imei);
      $redis->expireAt($limitKey, strtotime(date('Y-m-d',strtotime('+1 day'))));
    }
    return $result;
  }
 
  /**
   * 向指定手機號發(fā)送短信
   * @param $mobile
   * @param $content
   * @return bool
   */
  public function send($mobile, $content){
    // TODO 調(diào)用具體服務(wù)商API
    return true;
  }
 
  /**
   * 判斷是否為合法手機號
   * @param $mobile
   * @return bool
   */
  private function isMobile($mobile) {
    if(preg_match('/^1\d{10}$/', $mobile))
      return true;
    return false;
  }
 
  /**
   * 驗證短信驗證碼
   * @param $mobile
   * @param $vc
   * @return bool
   */
  public function checkVerifyCode($mobile, $vc) {
    $vcKey = 'VC_'.$mobile;
    $vcData = json_decode(Api_Common::redis()->get($vcKey), true);
    if($vcData && $vcData['vc'] === $vc) {
      return true;
    }
    return false;
  }
 
  /**
   * 清除驗證碼
   * @param $mobile
   */
  public function cleanVerifyCode($mobile) {
    $redis = Api_Common::redis();
    $vcKey = 'VC_'.$mobile;
    $limitKey = 'VC_LIMIT_'.$mobile;
    $redis->del($vcKey);
    $redis->del($limitKey);
  }
}

<?
/*--------------------------------
功能:   中國短信網(wǎng)PHP HTTP接口 發(fā)送短信
修改日期:  2009-04-08
說明:   http://http.c123.com/tx/?uid=用戶賬號&pwd=MD5位32密碼&mobile=號碼&content=內(nèi)容
狀態(tài):
  100 發(fā)送成功
  101 驗證失敗
  102 短信不足
  103 操作失敗
  104 非法字符
  105 內(nèi)容過多
  106 號碼過多
  107 頻率過快
  108 號碼內(nèi)容空
  109 賬號凍結(jié)
  110 禁止頻繁單條發(fā)送
  111 系統(tǒng)暫定發(fā)送
  112 號碼不正確
  120 系統(tǒng)升級
--------------------------------*/
$uid = '9999';   //用戶賬號
$pwd = '9999';   //密碼
$mobile = '13912341234,13312341234,13512341234,02122334444';  //號碼
$content = '中國短信網(wǎng)PHP HTTP接口';    //內(nèi)容
//即時發(fā)送
$res = sendSMS($uid,$pwd,$mobile,$content);
echo $res;
 
//定時發(fā)送
/*
$time = '2010-05-27 12:11';
$res = sendSMS($uid,$pwd,$mobile,$content,$time);
echo $res;
*/
function sendSMS($uid,$pwd,$mobile,$content,$time='',$mid='')
{
  $http = 'http://http.c123.com/tx/';
  $data = array
    (
    'uid'=>$uid,         //用戶賬號
    'pwd'=>strtolower(md5($pwd)),  //MD5位32密碼
    'mobile'=>$mobile,        //號碼
    'content'=>$content,     //內(nèi)容
    'time'=>$time,    //定時發(fā)送
    'mid'=>$mid           //子擴展號
    );
  $re= postSMS($http,$data);     //POST方式提交
  if( trim($re) == '100' )
  {
    return "發(fā)送成功!";
  }
  else
  {
    return "發(fā)送失敗! 狀態(tài)：".$re;
  }
}
 
function postSMS($url,$data='')
{
  $row = parse_url($url);
  $host = $row['host'];
  $port = $row['port'] ? $row['port']:80;
  $file = $row['path'];
  while (list($k,$v) = each($data)) 
  {
    $post .= rawurlencode($k)."=".rawurlencode($v)."&"; //轉(zhuǎn)URL標(biāo)準(zhǔn)碼
  }
  $post = substr( $post , 0 , -1 );
  $len = strlen($post);
  $fp = @fsockopen( $host ,$port, $errno, $errstr, 10);
  if (!$fp) {
    return "$errstr ($errno)\n";
  } else {
    $receive = '';
    $out = "POST $file HTTP/1.1\r\n";
    $out .= "Host: $host\r\n";
    $out .= "Content-type: application/x-www-form-urlencoded\r\n";
    $out .= "Connection: Close\r\n";
    $out .= "Content-Length: $len\r\n\r\n";
    $out .= $post;   
    fwrite($fp, $out);
    while (!feof($fp)) {
      $receive .= fgets($fp, 128);
    }
    fclose($fp);
    $receive = explode("\r\n\r\n",$receive);
    unset($receive[0]);
    return implode("",$receive);
  }
}
?>