阿里云短信验证码发送类 [ 2.0 版本 ]

<?php

namespace api\helper;

use Yii;

/**
 * 阿里云短信验证码发送类
 * @author chenbin
 *
 */

class Sms {
    // 保存错误信息
    public $error;
    // Access Key ID
    private $accessKeyId = '';
    // Access Access Key Secret
    private $accessKeySecret = '';
    // 签名
    private $signName = '';
    // 模版ID
    private $templateCode = '';
    public function __construct($cofig = array()) {
        $cofig = array (
                'accessKeyId' => Yii::$app->params['basic']['accessKeyId'],
                'accessKeySecret' => Yii::$app->params['basic']['accessKeySecret'],
                'signName' => Yii::$app->params['basic']['signName'],
                'templateCode' => Yii::$app->params['basic']['templateCode'] 
        );
        // 配置参数
        $this->accessKeyId = $cofig ['accessKeyId'];
        $this->accessKeySecret = $cofig ['accessKeySecret'];
        $this->signName = $cofig ['signName'];
        $this->templateCode = $cofig ['templateCode'];
    }
    private function percentEncode($string) {
        $string = urlencode ( $string );
        $string = preg_replace ( '/\+/', '%20', $string );
        $string = preg_replace ( '/\*/', '%2A', $string );
        $string = preg_replace ( '/%7E/', '~', $string );
        return $string;
    }
    /**
     * 签名
     *
     * @param unknown $parameters            
     * @param unknown $accessKeySecret            
     * @return string
     */
    private function computeSignature($parameters, $accessKeySecret) {
        ksort ( $parameters );
        $canonicalizedQueryString = '';
        foreach ( $parameters as $key => $value ) {
            $canonicalizedQueryString .= '&' . $this->percentEncode ( $key ) . '=' . $this->percentEncode ( $value );
        }
        $stringToSign = 'GET&%2F&' . $this->percentencode ( substr ( $canonicalizedQueryString, 1 ) );
        $signature = base64_encode ( hash_hmac ( 'sha1', $stringToSign, $accessKeySecret . '&', true ) );
        return $signature;
    }
    /**
     * @param unknown $mobile            
     * @param unknown $verify_code            
     *
     */
    public function send_verify($mobile, $verify_code) {
        date_default_timezone_set('Etc/GMT-8');
        $params = array (
                'SignName' => $this->signName,
                'Format' => 'JSON',
                'Version' => '2017-05-25',
                'AccessKeyId' => $this->accessKeyId,
                'SignatureVersion' => '1.0',
                'SignatureMethod' => 'HMAC-SHA1',
                'SignatureNonce' => uniqid(),
                'Timestamp' => gmdate('Y-m-d\TH:i:s\Z'),
                'Action' => 'SendSms',
                'TemplateCode' => $this->templateCode,
                'PhoneNumbers' => $mobile,
                'TemplateParam' => '{"code":"' . $verify_code . '"}' 
        );
        //var_dump($params);die;
        // 计算签名并把签名结果加入请求参数
        $params ['Signature'] = $this->computeSignature( $params, $this->accessKeySecret );
        // 发送请求（此处作了修改）
        //$url = 'https://sms.aliyuncs.com/?' . http_build_query ( $params );
        $url = 'http://dysmsapi.aliyuncs.com/?' . http_build_query ( $params );

        $ch = curl_init ();
        curl_setopt($ch,CURLOPT_URL, $url );
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER, FALSE );
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST, FALSE );
        curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt($ch,CURLOPT_TIMEOUT, 10 );
        $result = curl_exec($ch);
        curl_close($ch);
        $result = json_decode($result, true);
        //var_dump($result);die;
        if (isset($result['Code'])) {
            $this->error = $this->getErrorMessage($result['Code']);
            return false;
        }
        return true;
    }
    /**
     * 获取详细错误信息
     *
     * @param unknown $status            
     */
    public function getErrorMessage($status) {
        // 阿里云的短信 乱八七糟的(其实是用的阿里大于)
        // https://api.alidayu.com/doc2/apiDetail?spm=a3142.7629140.1.19.SmdYoA&apiId=25450
        $message = array (
                'InvalidDayuStatus.Malformed' => '账户短信开通状态不正确',
                'InvalidSignName.Malformed' => '短信签名不正确或签名状态不正确',
                'InvalidTemplateCode.MalFormed' => '短信模板Code不正确或者模板状态不正确',
                'InvalidRecNum.Malformed' => '目标手机号不正确，单次发送数量不能超过100',
                'InvalidParamString.MalFormed' => '短信模板中变量不是json格式',
                'InvalidParamStringTemplate.Malformed' => '短信模板中变量与模板内容不匹配',
                'InvalidSendSms' => '触发业务流控',
                'InvalidDayu.Malformed' => '变量不能是url，可以将变量固化在模板中' 
        );
        if (isset ( $message [$status] )) {
            return $message [$status];
        }
        return $status;
    }
}