利用PHP和百度ai实现文本以及图片的审核

  1 class Sentive
  2 
  3 {
  4 
  5   protected $accessTokenUrl = ‘https://aip.baidubce.com/oauth/2.0/token‘;//获取token url
  6 
  7   protected $textUrl = ‘https://aip.baidubce.com/rest/2.0/antispam/v2/spam‘;//文本审核url
  8 
  9   protected $imgUrl = ‘https://aip.baidubce.com/api/v1/solution/direct/img_censor‘;//图片审核url
 10 
 11   protected $avatarUrl = ‘https://aip.baidubce.com/rest/2.0/solution/v1/face_audit‘;//头像审核url
 12 
 13   protected $grant_type;
 14 
 15   protected $client_id;
 16 
 17   protected $client_secret;
 18 
 19   function __construct()
 20 
 21   {
 22 
 23     $this->grant_type = ‘client_credentials‘;
 24 
 25     $this->client_id = ‘xxx‘;//API Key
 26 
 27     $this->client_secret = ‘xxx‘;//Secret Key
 28 
 29   }
 30 
 31   static function request($url = ‘‘, $param = ‘‘)
 32 
 33   {
 34 
 35     if (empty($url) || empty($param)) {
 36 
 37       return false;
 38 
 39     }
 40 
 41     $postUrl = $url;
 42 
 43     $curlPost = $param;
 44 
 45     $curl = curl_init();//初始化curl
 46 
 47     curl_setopt($curl, CURLOPT_URL, $postUrl);//抓取指定网页
 48 
 49     curl_setopt($curl, CURLOPT_HEADER, 0);//设置header
 50 
 51     curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
 52 
 53     curl_setopt($curl, CURLOPT_POST, 1);//post提交方式
 54 
 55     curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
 56 
 57     $data = curl_exec($curl);//运行curl
 58 
 59     curl_close($curl);
 60 
 61     return $data;
 62 
 63   }
 64 
 65   static function request_post($url = ‘‘, $param = array(), $type)
 66 
 67   {
 68 
 69     if (empty($url) || empty($param)) {
 70 
 71       return false;
 72 
 73     }
 74 
 75     $postUrl = $url;
 76 
 77     $curlPost = $param;
 78 
 79     $curl = curl_init();
 80 
 81     curl_setopt($curl, CURLOPT_URL, $postUrl);
 82 
 83     curl_setopt($curl, CURLOPT_HEADER, 0);
 84 
 85     // 要求结果为字符串
 86 
 87     curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 88 
 89     // post方式
 90 
 91     curl_setopt($curl, CURLOPT_POST, 1);
 92 
 93     curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 94 
 95     curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
 96 
 97     if ($type == "text") {
 98 
 99       curl_setopt($curl, CURLOPT_HTTPHEADER, array(‘Content-Type: application/x-www-form-urlencoded‘));
100 
101     } else {
102 
103       curl_setopt($curl, CURLOPT_HTTPHEADER, array(‘Content-Type: application/json;charset=utf-8‘));
104 
105     }
106 
107     curl_setopt($curl, CURLINFO_HEADER_OUT, true);
108 
109     $data = curl_exec($curl);
110 
111     $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
112 
113     if ($code === 0) {
114 
115       throw new \Exception(curl_error($curl));
116 
117     }
118 
119     curl_close($curl);
120 
121     return $data;
122 
123   }
124 
125   //获取token
126 
127   public function getToken()
128 
129   {
130 
131     new Redis();
132 
133     $post_data[‘grant_type‘] = $this->grant_type;
134 
135     $post_data[‘client_id‘] = $this->client_id;
136 
137     $post_data[‘client_secret‘] = $this->client_secret;
138 
139     $o = "";
140 
141     foreach ($post_data as $k => $v) {
142 
143       $o .= "$k=" . urlencode($v) . "&";
144 
145     }
146 
147     $post_data = substr($o, 0, -1);
148 
149     $res = self::request($this->accessTokenUrl, $post_data);
150 
151     $redis->setkey("filterToken", json_decode($res, true)[‘access_token‘]);
152 
153     return json_decode($res, true)[‘access_token‘];
154 
155   }
156 
157   //文本审核
158 
159   public function textVerify($data)
160 
161   {
162 
163     new Redis();
164 
165     $token = $redis->get("filterToken");
166 
167     if (empty($token)) {
168 
169       $token = $this->getToken();
170 
171     }
172 
173     $curl = $this->textUrl . "?access_token=" . $token;
174 
175     $result = self::request_post($curl, $data, "text");
176 
177     return json_decode($result, true);
178 
179   }
180 
181   //图片审核
182 
183   public function imgVerify($img)
184 
185   {
186 
187     $redis = new Redis();
188 
189     $token = $redis->get("filterToken");
190 
191     if (empty($token)) {
192 
193       $token = $this->getToken();
194 
195     }
196 
197     $curl = $this->imgUrl . "?access_token=" . $token;
198 
199     $bodys = array(
200 
201       ‘image‘ => $img,
202 
203       ‘scenes‘ => array("ocr",
204 
205         "face", "public", "politician", "antiporn", "terror", "webimage", "disgust",
206 
207         ‘watermark‘)
208 
209     );
210 
211     $bodys = json_encode($bodys);
212 
213     $result = self::request_post($curl, $bodys, "img");
214 
215     return json_decode($result, true);
216 
217   }
218 
219   //头像审核
220 
221   public function avatarVerify($img)
222 
223   {
224 
225     $redis = new Redis();
226 
227     $token = $redis->get("filterToken");
228 
229     if (empty($token)) {
230 
231       $token = $this->getToken();
232 
233     }
234 
235     $curl = $this->avatarUrl . "?access_token=" . $token;
236 
237     $bodys = array(
238 
239       "configId" => "1",
240 
241       "images" => $img
242 
243     );
244 
245     $result = self::request_post($curl, $bodys, "text");
246 
247     return json_decode($result, true);
248 
249   }
250 
251 }