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class.tencentai.php
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<?php
/**
* 腾讯AI SDK
* Author：Simon<[email protected]>
* Date：2017/11/30
*/
class TencentAI
{
const API_URL_PREFIX = 'https://api.ai.qq.com/fcgi-bin';
/* 自然语言处理：基本文本分析 */
const TEXTTRANS_URL = '/nlp/nlp_texttrans'; //文字自动翻译接口
/* 计算机视觉：图片特效 */
const FACECOSMETIC_URL = '/ptu/ptu_facecosmetic'; //人脸美妆接口
const FACEDECORATION_URL = '/ptu/ptu_facedecoration'; //人脸变妆接口
const IMGFILTER_URL = '/ptu/ptu_imgfilter'; //滤镜接口
const FACEMERGE_URL = '/ptu/ptu_facemerge'; //人脸融合接口
const FACESTICKER_URL = '/ptu/ptu_facesticker'; //大头贴接口
const FACEAGE_URL = '/ptu/ptu_faceage'; //颜龄检测接口
private $app_id;
private $app_key;
private $nonce_str; //随机字符串，1~32字节即可
private $time_stamp;
public $error_code;
public $error_msg;
private $parameters; //参数配置
public $debug; //默认为false，不开启调试模式；true开启调试模式，写入日志
public function __construct($options)
{
$this->app_id = isset($options['app_id']) ? $options['app_id'] : '';
$this->app_key = isset($options['app_key']) ? $options['app_key'] : '';
$this->nonce_str = self::createNonceStr(32);
$this->time_stamp = time();
$this->error_code = 0;
$this->error_msg = '';
$this->debug = isset($options['debug']) ? $options['debug'] : false;
$this->logcallback = isset($options['logcallback']) ? $options['logcallback'] : '';
$this->parameters = [];
}
/**
* 人脸融合
* @param string $model 人脸图片模板，更多参见官网文档，可自定义上传
* @param string $image 用户图片base64码，<500KB，需要去除前缀`data:image/jpeg;base64,`
* @link https://ai.qq.com/doc/facemerge.shtml
* @return string 加工后的图片base64码，需要增加前缀`data:image/jpeg;base64,`才能显示
*/
public function faceMerge($model = 1, $image)
{
if (empty($model)) {
$this->error_msg = '未选择素材模板~';
return false;
}
if (empty($image)) {
$this->error_msg = '未上传人脸图片~';
return false;
}
$this->parameters = [
'app_id' => $this->app_id,
'nonce_str' => $this->nonce_str,
'time_stamp' => $this->time_stamp,
'model' => $model,
'image' => $image,
];
$this->getSignature(); //添加签名
$result = $this->http_post(self::API_URL_PREFIX . self::FACEMERGE_URL, $this->parameters);
if (false === $result) {
return false;
}
$json = json_decode($result, true);
if (empty($json) || intval($json['ret']) > 0) {
$this->error_code = $json['ret'];
$this->error_msg = $json['msg'];
return false;
}
return $json['data']['image'];
}
/**
* 人脸美妆
* @param string $cosmetic 美妆模板，更多参见官网文档，可自定义上传
* @param string $image 用户图片base64码，<500KB，需要去除前缀`data:image/jpeg;base64,`
* @link https://ai.qq.com/doc/facecosmetic.shtml
* @return string 加工后的图片base64码，需要增加前缀`data:image/jpeg;base64,`才能显示
*/
public function faceCosmetic($cosmetic = 1, $image)
{
if (empty($cosmetic)) {
$this->error_msg = '未选择美妆模板~';
return false;
}
if (empty($image)) {
$this->error_msg = '未上传人脸图片~';
return false;
}
$this->parameters = [
'app_id' => $this->app_id,
'nonce_str' => $this->nonce_str,
'time_stamp' => $this->time_stamp,
'cosmetic' => $cosmetic,
'image' => $image,
];
$this->getSignature(); //添加签名
$result = $this->http_post(self::API_URL_PREFIX . self::FACECOSMETIC_URL, $this->parameters);
if (false === $result) {
return false;
}
$json = json_decode($result, true);
if (empty($json) || intval($json['ret']) > 0) {
$this->error_code = $json['ret'];
$this->error_msg = $json['msg'];
return false;
}
return $json['data']['image'];
}
/**
* 人脸变妆
* @param string $decoration 变妆模板，更多参见官网文档，可自定义上传
* @param string $image 用户图片base64码，<500KB，需要去除前缀`data:image/jpeg;base64,`
* @link https://ai.qq.com/doc/facedecoration.shtml
* @return string 加工后的图片base64码，需要增加前缀`data:image/jpeg;base64,`才能显示
*/
public function faceDecoration($decoration = 1, $image)
{
if (empty($decoration)) {
$this->error_msg = '未选择变妆模板~';
return false;
}
if (empty($image)) {
$this->error_msg = '未上传人脸图片~';
return false;
}
$this->parameters = [
'app_id' => $this->app_id,
'nonce_str' => $this->nonce_str,
'time_stamp' => $this->time_stamp,
'decoration' => $decoration,
'image' => $image,
];
$this->getSignature(); //添加签名
$result = $this->http_post(self::API_URL_PREFIX . self::FACEDECORATION_URL, $this->parameters);
if (false === $result) {
return false;
}
$json = json_decode($result, true);
if (empty($json) || intval($json['ret']) > 0) {
$this->error_code = $json['ret'];
$this->error_msg = $json['msg'];
return false;
}
return $json['data']['image'];
}
/**
* 图片滤镜
* @param string $filter 滤镜特效模板，更多参见官网文档，可自定义上传
* @param string $image 用户图片base64码，<500KB，需要去除前缀`data:image/jpeg;base64,`
* @link https://ai.qq.com/doc/facedecoration.shtml
* @return string 加工后的图片base64码，需要增加前缀`data:image/jpeg;base64,`才能显示
*/
public function imgFilter($filter = 1, $image)
{
if (empty($filter)) {
$this->error_msg = '未选择滤镜特效~';
return false;
}
if (empty($image)) {
$this->error_msg = '未上传图片~';
return false;
}
$this->parameters = [
'app_id' => $this->app_id,
'nonce_str' => $this->nonce_str,
'time_stamp' => $this->time_stamp,
'filter' => $filter,
'image' => $image,
];
$this->getSignature(); //添加签名
$result = $this->http_post(self::API_URL_PREFIX . self::IMGFILTER_URL, $this->parameters);
if (false === $result) {
return false;
}
$json = json_decode($result, true);
if (empty($json) || intval($json['ret']) > 0) {
$this->error_code = $json['ret'];
$this->error_msg = $json['msg'];
return false;
}
return $json['data']['image'];
}
/**
* 大头贴
* @param string $sticker 大头贴模板，更多参见官网文档，可自定义上传
* @param string $image 用户图片base64码，<500KB，需要去除前缀`data:image/jpeg;base64,`
* @link https://ai.qq.com/doc/facesticker.shtml
* @return string 加工后的图片base64码，需要增加前缀`data:image/jpeg;base64,`才能显示
*/
public function faceSticker($sticker = 2, $image)
{
if (empty($sticker)) {
$this->error_msg = '未选择大头贴模板~';
return false;
}
if (empty($image)) {
$this->error_msg = '未上传图片~';
return false;
}
$this->parameters = [
'app_id' => $this->app_id,
'nonce_str' => $this->nonce_str,
'time_stamp' => $this->time_stamp,
'sticker' => $sticker,
'image' => $image,
];
$this->getSignature(); //添加签名
$result = $this->http_post(self::API_URL_PREFIX . self::FACESTICKER_URL, $this->parameters);
if (false === $result) {
return false;
}
$json = json_decode($result, true);
if (empty($json) || intval($json['ret']) > 0) {
$this->error_code = $json['ret'];
$this->error_msg = $json['msg'];
return false;
}
return $json['data']['image'];
}
/**
* 颜龄检测
* @param string $image 用户图片base64码，<500KB，需要去除前缀`data:image/jpeg;base64,`
* @link https://ai.qq.com/doc/facesticker.shtml
* @return string 加工后的图片base64码，需要增加前缀`data:image/jpeg;base64,`才能显示
*/
public function faceAge($image)
{
if (empty($image)) {
$this->error_msg = '未上传图片~';
return false;
}
$this->parameters = [
'app_id' => $this->app_id,
'nonce_str' => $this->nonce_str,
'time_stamp' => $this->time_stamp,
'image' => $image,
];
$this->getSignature(); //添加签名
$result = $this->http_post(self::API_URL_PREFIX . self::FACEAGE_URL, $this->parameters);
if (false === $result) {
return false;
}
$json = json_decode($result, true);
if (empty($json) || intval($json['ret']) > 0) {
$this->error_code = $json['ret'];
$this->error_msg = $json['msg'];
return false;
}
return $json['data']['image'];
}
/**
* 自动识别文字翻译
* @param string $text 文本句子
* @param integer $type 翻译类型，0为自动识别（中英文互转），更多参见官网文档
* @link https://ai.qq.com/doc/nlptrans.shtml
* @return string
*/
public function textTrans($text, $type = 0)
{
if (empty($text)) {
$this->error_msg = '未提供翻译文本~';
return false;
}
$this->parameters = [
'app_id' => $this->app_id,
'nonce_str' => $this->nonce_str,
'time_stamp' => $this->time_stamp,
'text' => $text,
'type' => $type,
];
$this->getSignature(); //添加签名
$result = $this->http_post(self::API_URL_PREFIX . self::TEXTTRANS_URL, $this->parameters);
if (false === $result) {
$this->error_msg = '请求接口失败~';
return false;
}
$json = json_decode($result, true);
if (empty($json) || intval($json['ret']) > 0) {
$this->error_code = $json['ret'];
$this->error_msg = $json['msg'];
return false;
}
return $json['data']['trans_text'];
}
/**
* 生成签名
* @link https://ai.qq.com/doc/auth.shtml
* @return string
*/
protected function getSignature()
{
/* 获得参数对列表N（字典升级排序） */
ksort($this->parameters, SORT_STRING);
/* 按URL键值拼接字符串T */
$string = http_build_query($this->parameters);
/* 拼接应用密钥，得到字符串S */
$string .= '&app_key=' . $this->app_key;
/* 计算MD5摘要，得到签名字符串，转化md5签名值大写 */
$signature = strtoupper(md5($string));
$this->parameters['sign'] = $signature;
return $signature;
}
/**
* 生成随机字符串
* @param integer $length 长度
* @return string
*/
protected static function createNonceStr($length = 16)
{
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
$str = '';
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
/**
* POST 请求
* @param string $url 请求地址
* @param array $param 待提交数据
* @param boolean $post_file 是否文件上传
* @return string
*/
protected function http_post($url, $param, $post_file = false)
{
$curl = curl_init();
if (false !== stripos($url, 'https://')) {
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1
}
if (PHP_VERSION_ID >= 50500 && class_exists('\CURLFile')) {
$is_curl_file = true;
} else {
$is_curl_file = false;
if (defined('CURLOPT_SAFE_UPLOAD')) {
curl_setopt($curl, CURLOPT_SAFE_UPLOAD, false);
}
}
$post_data = http_build_query($param);
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $post_data);
$http_result = curl_exec($curl);
$http_info = curl_getinfo($curl);
curl_close($curl);
if (200 !== intval($http_info['http_code'])) {
$this->error_msg = '请求提交失败~';
return false;
}
return $http_result;
}
/**
* 日志记录，可被重载
* @param mixed $log 输入日志
* @return mixed
*/
protected function log($log)
{
if ($this->debug && function_exists($this->logcallback)) {
if (is_array($log)) {
$log = print_r($log, true);
}
return call_user_func($this->logcallback, $log);
}
}
}