Format C language code
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BaiduAIface.c
188
BaiduAIface.c
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <curl/curl.h>
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#include "cJSON.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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size_t access_token_callback(void *ptr, size_t size, size_t nmemb, void *stream)
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{
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char *buf = (char *)malloc(size * nmemb + 8 );
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memset(buf,'\0', size * nmemb + 8);
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strncpy(buf, ptr, size * nmemb);
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cJSON *json= cJSON_Parse(buf);
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char *access_token_result = (char *)stream;
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strncpy(access_token_result, cJSON_GetObjectItem(json, "access_token")->valuestring, 128);
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//printf("stream:%s\n",(char *)stream);
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cJSON_Delete(json);
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free(buf);
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return size * nmemb;
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}
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int post_access_token(char *access_token)
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{
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CURL *curl;
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CURLcode result_code;
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int error_code = 0;
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char url[256] = {0};
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char access_token_url[] = "https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials";
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char AK[] = "vEcmEHNhIBfmA5qGs5TtcA8R";
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char SK[] = "G4fk4L8p9QQGMqui4MkMWZ0fGkwWQoKE";
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char access_token_result[128] = {0};
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curl = curl_easy_init();
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if (curl) {
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//std::string url = access_token_url + "&client_id=" + AK + "&client_secret=" + SK;
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sprintf(url,"%s&client_id=%s&client_secret=%s",access_token_url,AK,SK);
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//printf("url: %s\n",url );
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curl_easy_setopt(curl, CURLOPT_URL, url);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, access_token_result);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, access_token_callback);
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result_code = curl_easy_perform(curl);
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if (result_code != CURLE_OK) {
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fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(result_code));
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return 1;
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}
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//printf("access_token_result:%s\n",access_token_result);
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strcpy(access_token, access_token_result);
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curl_easy_cleanup(curl);
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error_code = 0;
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} else {
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fprintf(stderr, "curl_easy_init() failed.");
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error_code = 1;
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}
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return error_code;
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}
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size_t faceMatch_callback(void *ptr, size_t size, size_t nmemb, void *stream) {
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// 获取到的body存放在ptr中，先将其转换为string格式
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char *buf = (char *)malloc(size * nmemb + 8 );
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memset(buf,'\0',size * nmemb + 8);
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strncpy(buf, ptr, size * nmemb);
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cJSON *json = cJSON_Parse(buf);
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printf("data:%s\n", cJSON_Print(json));
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if(strstr(cJSON_Print(json),"SUCCESS") ==NULL) {
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*((double *)stream) = 0;
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} else {
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cJSON *result = cJSON_GetObjectItem(json, "result");
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//printf("data:%s\n",cJSON_Print(result));
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double *faceMatch_result = (double *)stream;
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*faceMatch_result = cJSON_GetObjectItem(result, "score")->valuedouble;
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//printf("stream:%f\n",*faceMatch_result);
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}
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cJSON_Delete(json);
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free(buf);
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return size * nmemb;
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}
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/**
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* 人脸对比调用成功返回0，发生错误返回其他错误码
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*/
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int post_faceMatch(double *faceMatch, char *access_token, char *file1, char *file2)
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{
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//std::string url = request_url + "?access_token=" + access_token;
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char url[256] = {0};
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char request_url[] = "https://aip.baidubce.com/rest/2.0/face/v3/match";
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sprintf(url,"%s?access_token=%s", request_url, access_token);
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char *getbase64(char *photoname);
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char image[] = "\"image\": ";
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char image_type[] = "\"image_type\": \"BASE64\"";
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char *image1_base64 = getbase64(file1);
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char *image2_base64 = getbase64(file2);
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char *params = (char *)malloc(strlen(image1_base64) + strlen(image2_base64) + 2 * strlen(image) + 2 * strlen(image_type) + 128 );
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sprintf(params, "[{%s\"%s\", %s}, {%s\"%s\", %s}]", image, image1_base64, image_type, image, image2_base64, image_type);
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cJSON *json = cJSON_Parse(params);
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//printf("%s\n",cJSON_Print(json));
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//printf("param : %s\n",params);
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CURL *curl = NULL;
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CURLcode result_code;
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int is_success;
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curl = curl_easy_init();
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double faceMatch_result;
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if (curl) {
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curl_easy_setopt(curl, CURLOPT_URL, url);
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curl_easy_setopt(curl, CURLOPT_POST, 1);
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struct curl_slist *headers = NULL;
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headers = curl_slist_append(headers, "Content-Type:application/json;charset=UTF-8");
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
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//curl_easy_setopt(curl, CURLOPT_POSTFIELDS, params);
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, cJSON_Print(json));
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &faceMatch_result);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, faceMatch_callback);
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result_code = curl_easy_perform(curl);
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free(image1_base64);
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free(image2_base64);
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free(params);
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cJSON_Delete(json);
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if (result_code != CURLE_OK) {
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(result_code));
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is_success = 1;
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return is_success;
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}
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*faceMatch = faceMatch_result;
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curl_easy_cleanup(curl);
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is_success = 0;
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} else {
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fprintf(stderr, "curl_easy_init() failed.");
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is_success = 1;
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}
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return is_success;
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}
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char *getbase64(char *photoname)
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{
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char order[128] = {0};
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char file[32] = {0};
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char *base64 = NULL;
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sprintf(order,"base64 %s > %s_base64", photoname, photoname);
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system(order);
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sprintf(file,"%s_base64", photoname);
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int fd = open(file, O_RDWR);
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int len = lseek(fd,0, SEEK_END);
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lseek(fd, 0, SEEK_SET);
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base64 = (char *)malloc(len+1);
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read(fd, base64, len);
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base64[len] = '\0';
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//printf("%d\n",strlen(base64));
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return base64;
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}
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int main(int argc, char *argv[], char **envp)
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{
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if (argc != 3) {
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printf("%s file1 file2\n", argv[0]);
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exit(1);
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}
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char access_token[128];
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double faceMatch = 0; // 面部匹配
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post_access_token(access_token);
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//printf("access_token: %s\n", access_token);
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post_faceMatch(&faceMatch, access_token, argv[1], argv[2]);
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//printf("faceMatch : %f \n",faceMatch);
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if(faceMatch > 90) {
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printf("相似\n");
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} else {
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printf("不相似\n");
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}
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return 0;
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}
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