人脸评分微信接口-PHP源码

valid();
}else{
    $wechatObj->responseMsg();
}

class wechatCallbackapiTest{
    public function valid(){
        $echoStr = $_GET["echostr"];
        //valid signature , option
        if($this->checkSignature()){
            echo $echoStr;
            exit;
        }
    }

    public function responseMsg(){
        //get post data, May be due to the different environments
        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

        //extract post data
        if (!empty($postStr)){
                /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
                   the best way is to check the validity of xml by yourself */
                libxml_disable_entity_loader(true);
                $postObj      = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                $fromUsername = $postObj->FromUserName;
                $toUsername   = $postObj->ToUserName;
                $keyword      = trim($postObj->Content);
                $imgUrl       = $postObj->PicUrl;
                $Event        = $postObj->Event;
                $EventKey     = $postObj->EventKey;
                $MsgType      = $postObj->MsgType;
                $time         = time();

                $itemTpl = "
                     
                     
                     
                     
                     ";

                if($MsgType == "image"){
                    $item_str = sprintf($itemTpl, "颜值报告单", face($imgUrl), $imgUrl, MESSAGE_URL);

                    $xmlTpl = "
                     
                     
                     %s
                     
                     %s
                     $item_str
                     ";
                    $resultStr = sprintf($xmlTpl, $fromUsername, $toUsername, $time, 1);
                    echo $resultStr;
                }
               
        }else {
            echo "";
            exit;
        }
    }
        
    private function checkSignature(){
        // you must define TOKEN by yourself
        if (!defined("TOKEN")){
            throw new Exception('TOKEN is not defined!');
        }
        
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];
                
        $token = TOKEN;
        $tmpArr = array($token, $timestamp, $nonce);
        // use SORT_STRING rule
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );
        
        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }

}

// 调用人脸识别的API返回识别结果
function face($imgUrl){
    // face++ 链接 
    $jsonStr   =curl_get_contents(DETECT_URL.API_KEY.API_SECRET."&url=".$imgUrl.ATTRIBUTE);
    $replyDic  = json_decode($jsonStr,true);
    $faceArray = $replyDic['face'];
    
    $resultStr = "";
        
    for ($i= 0;$i< count($faceArray); $i++){
        
        $resultStr .= "<----第".($i+1)."张脸---->\n";

        $tempFace   = $faceArray[$i];
        $faceId     = $tempFace['face_id'];

        $tempAttr = $tempFace['attribute'];
        // 年龄：包含年龄分析结果
        // value的值为一个非负整数表示估计的年龄, range表示估计年龄的正负区间
        $tempAge = $tempAttr['age'];
        // 性别：包含性别分析结果
        // value的值为Male/Female, confidence表示置信度
        $tempGenger = $tempAttr['gender'];
        // 种族：包含人种分析结果
        // value的值为Asian/White/Black, confidence表示置信度
        $tempRace = $tempAttr['race'];
        // 微笑：包含微笑程度分析结果
        //value的值为0-100的实数，越大表示微笑程度越高
        $tempSmiling = $tempAttr['smiling'];
       
        // 返回性别
        $sex=$tempGenger['value'];
        if($sex === "Male")  {
            $resultStr .= "性别：男\n";
        } else if($sex === "Female")  {
            $resultStr .= "性别：女\n";
        }

        //返回年龄
        $maxAge = $tempAge['value'] + ($tempAge['range'])/2;
        $age=ceil($maxAge);
        $resultStr .= "年龄：".$age."岁左右吧~ \n";

        //返回种族
        if($tempRace['value'] === "Asian")  {
            $resultStr .= "肤色：很健康哦~\n";
        }
        else if($tempRace['value'] === "White") {
            $resultStr .= "肤色：皮肤好白哟！^ 3^\n";
        }
        else if($tempRace['value'] === "Black")  {
            $resultStr .= " 肤色：你有点黑？！！！\n";
        }

        //返回微笑度
        $smiling = intval($tempSmiling['value']);
        $smile = round($tempSmiling['value'],3);
        $resultStr .= "微笑：".$smile."％\n";

        if($count<3){
            //计算颜值
            $yanzhi=getYanZhi($faceId,$smiling);
            $resultStr .= "外貌协会专家评分：".$yanzhi."分\n\n";
            $resultStr .= "\xe2\x9c\xa8小编想说：\n";
            switch ($yanzhi){
                case $yanzhi>94:
                    $resultStr .="这颜值，爆表了！\n";
                    break;
                case $yanzhi>87:
                    $resultStr .="你这么好看，咋不上天呢！\n";
                    break;
                case $yanzhi>82:
                    $resultStr .="百看不厌，继续加油！\n";
                    break;
                case $yanzhi>72:
                    $resultStr .="还好，还能看！\n";
                    break;
                case $yanzhi>67:
                    $resultStr .="哎，只是丑的不明显！\n";
                    break;
                case $yanzhi>62:
                    $resultStr .="如果有钱，可以去整整！\n";
                    break;
                default:
                    $resultStr .="让我静静，你家没镜子么？\n";
            }
        }

    //图片中两个人时，计算相似度
    if(count($faceArray) === 2){  
        // 获取face_id  
        $tempFace1 = $faceArray[0];  
        $tempId1 = $tempFace1['face_id'];  
        $tempFace2 = $faceArray[1];  
        $tempId2 = $tempFace2['face_id'];  

        // face++ 链接  
        $jsonStr1 = curl_get_contents(COMPARE_URL.API_KEY.API_SECRET."&face_id2=".$tempId2 ."&face_id1=".$tempId1);   
        $replyDic1 = json_decode($jsonStr1,true);  

        //取出相似程度  
        $tempResult = $replyDic1['similarity'];  
        
        $tempSimilarity = $replyDic1['component_similarity'];  
        $tempEye = $tempSimilarity['eye'];  
        $tempEyebrow = $tempSimilarity['eyebrow'];  
        $tempMouth = $tempSimilarity['mouth'];  
        $tempNose = $tempSimilarity['nose'];  

        $resultStr .= "<----相似分析---->\n";  
        $resultStr .= "眼睛：".round($tempEye,3)."％\n";  
        $resultStr .= "眉毛：".round($tempEyebrow,3)."％\n";  
        $resultStr .= "嘴巴：".round($tempMouth,3)."％\n";  
        $resultStr .= "鼻子：".round($tempNose,3)."％\n"; 
        
        $resultStr .= "\n<----匹配结果---->\n两人相似程度：".round($tempResult,3)."％\n";  

        if($tempResult>70){
            $resultStr .="哇塞！绝对的夫妻相了！\n";
        }elseif ($tempResult>50){
            $resultStr .="哎哟，长得挺像！你们快点在一起吧！\n";
        }else{
            $resultStr .="0.0 长得不太一样哦。\n";
        }
     
    }  

    //如果没有检测到人脸
    if($resultStr === ""){
        $resultStr = "对不起,俺没有识别出来，请换张正脸照试试=.=";
    }

  return $resultStr;
}


//颜值算法
function getYanZhi($faceId,$smiling){
    $t1=microtime(1);
    $jsonStr = curl_get_contents(LANDMARK_URL.API_KEY.API_SECRET."&face_id=".$faceId.TYPE);
    $t2=microtime(1);
    if(($t2-$t1)>1.5){
        return 75.632;
    }

    if ($jsonStr!=false) {
        $replyDic = json_decode($jsonStr,true);

        $result = $replyDic['result'];
        $landmarkArry = $result[0];
        $landmark =$landmarkArry['landmark'];

        $right_eyebrow_left_corner  =$landmark['right_eyebrow_left_corner'];
        $left_eyebrow_right_corner  =$landmark['left_eyebrow_right_corner'];

        $left_eye_left_corner       =$landmark['left_eye_left_corner'];
        $left_eye_right_corner      =$landmark['left_eye_right_corner'];

        $mouth_left_corner          =$landmark['mouth_left_corner'];
        $mouth_right_corner         =$landmark['mouth_right_corner'];

        $nose_left                  =$landmark['nose_left'];
        $nose_right                 =$landmark['nose_right'];
        $nose_contour_lower_middle  =$landmark['nose_contour_lower_middle'];

        $right_eye_left_corner      =$landmark['right_eye_left_corner'];
        $right_eye_right_corner     =$landmark['right_eye_right_corner'];

        $contour_left1              =$landmark['contour_left1'];
        $contour_right1             =$landmark['contour_right1'];
        $contour_chin               =$landmark['contour_chin'];
        $contour_left6              =$landmark['contour_left6'];
        $contour_right6             =$landmark['contour_right6'];

        //计算两眉头间的距离
        $c1=distance($left_eyebrow_right_corner['x'],$left_eyebrow_right_corner['y'],$right_eyebrow_left_corner['x'],$right_eyebrow_left_corner['y']);

        //眉毛之间的中点坐标;
        $c1_x=($right_eyebrow_left_corner['x']-$left_eyebrow_right_corner['x'])/2+$left_eyebrow_right_corner['x'];
        $c1_y=($right_eyebrow_left_corner['y']-$left_eyebrow_right_corner['y'])/2+$left_eyebrow_right_corner['y'];

        //眉毛中点到鼻子最低处的距离
        $c2 = distance($nose_contour_lower_middle['x'],$nose_contour_lower_middle['y'],$c1_x,$c1_y);

        //眼角之间的距离
        $c3 = distance($left_eye_right_corner['x'],$left_eye_right_corner['y'],$right_eye_left_corner['x'],$right_eye_left_corner['y']);

        //鼻子的宽度
        $c4 = distance($nose_left['x'],$nose_left['y'],$nose_right['x'],$nose_right['y']);

        //脸的宽度
        $c5 = distance($contour_left1['x'],$contour_left1['y'],$contour_right1['x'],$contour_right1['y']);

        //下巴到鼻子下方的高度
        $c6 = distance($contour_chin['x'],$contour_chin['y'],$nose_contour_lower_middle['x'],$nose_contour_lower_middle['y']);

        //眼睛的大小
        $c7_left = distance($left_eye_left_corner['x'],$left_eye_left_corner['y'],$left_eye_right_corner['x'],$left_eye_right_corner['y']);
        $c7_right = distance($right_eye_left_corner['x'],$right_eye_left_corner['y'],$right_eye_right_corner['x'],$right_eye_right_corner['y']);

        //嘴巴的大小
        $c8 = distance($mouth_left_corner['x'],$mouth_left_corner['y'],$mouth_right_corner['x'],$mouth_right_corner['y']);

        //嘴巴处的face大小
        $c9 = distance($contour_left6['x'],$contour_left6['y'],$contour_right6['x'],$contour_right6['y']);

        /* 开始计算步骤 */
        $yourmark = 100;
        $mustm = 0;

        //眼角距离为脸宽的1/5，
        $mustm += abs(($c3/$c5)*100 - 25);

        //鼻子宽度为脸宽的1/5
        $mustm += abs(($c4/$c5)*100 - 25);

        //眼睛的宽度，应为同一水平脸部宽度的!/5
        $eyepj = ($c7_left+$c7_right)/2;
        $mustm += abs($eyepj/$c5*100 - 25);

        //理想嘴巴宽度应为同一脸部宽度的1/2
        $mustm += abs(($c8/$c9)*100 - 50);


        //下巴到鼻子下方的高度 == 眉毛中点到鼻子最低处的距离
        $mustm += abs($c6 - $c2);

        return round($yourmark-$mustm+$smiling/10,3);
    }else{
        return 60;
    }

}

//两点之间的距离
function distance($px1,$py1,$px2,$py2){
    return sqrt(abs(pow($px2 - $px1,2)) + abs(pow($py2 - $py1,2)));
}


function curl_get_contents($url) {
    $ch = curl_init();
    curl_setopt( $ch , CURLOPT_URL,$url);
    curl_setopt( $ch , CURLOPT_RETURNTRANSFER,1);
    curl_setopt( $ch , CURLOPT_TIMEOUT,1);
    curl_setopt( $ch , CURLOPT_CONNECTTIMEOUT,1.5);
    $result = curl_exec($ch);
    return $result;
}

?>