r/http.h at de80b013c00c95e53893bdaabfcfb449d84ecee8

 #ifndef CALPACA_HTTP_H
 #define CALPACA_HTTP_H
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <openssl/ssl.h>
 #include <openssl/err.h>
 #include "auth.h"
 #include <json-c/json.h>
 void init_openssl()
 {
     SSL_load_error_strings();
     OpenSSL_add_ssl_algorithms();
 }
 void cleanup_openssl()
 {
     EVP_cleanup();
 }
 SSL_CTX *create_context()
 {
     const SSL_METHOD *method = TLS_method();
     SSL_CTX *ctx = SSL_CTX_new(method);
     SSL_CTX_load_verify_locations(ctx, "/etc/ssl/certs/ca-certificates.crt", NULL);
     return ctx;
 }
 SSL_CTX *create_context2()
 {
     const SSL_METHOD *method;
     SSL_CTX *ctx;
     method = TLS_client_method();
     ctx = SSL_CTX_new(method);
     if (!ctx)
     {
         perror("Unable to create SSL context");
         ERR_print_errors_fp(stderr);
         exit(EXIT_FAILURE);
     }
     return ctx;
 }
 int create_socket(const char *hostname, int port)
 {
     struct hostent *host;
     struct sockaddr_in addr;
     host = gethostbyname(hostname);
     if (!host)
     {
         perror("Unable to resolve host");
         exit(EXIT_FAILURE);
     }
     int sock = socket(AF_INET, SOCK_STREAM, 0);
     if (sock < 0)
     {
         perror("Unable to create socket");
         exit(EXIT_FAILURE);
     }
     addr.sin_family = AF_INET;
     addr.sin_port = htons(port);
     addr.sin_addr.s_addr = *(long *)(host->h_addr);
     if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) != 0)
     {
         perror("Unable to connect to host");
         close(sock);
         exit(EXIT_FAILURE);
     }
     return sock;
 }
 char *http_post(const char *hostname, char *url, char *data)
 {
     init_openssl();
     int port = 443;
     SSL_CTX *ctx = create_context();
     int sock = create_socket(hostname, port);
     SSL *ssl = SSL_new(ctx);
     SSL_set_connect_state(ssl);
     SSL_set_tlsext_host_name(ssl, hostname);
     SSL_set_fd(ssl, sock);
     int buffer_size = 4096;
     char *buffer = (char *)malloc(buffer_size);
     if (SSL_connect(ssl) <= 0)
     {
         ERR_print_errors_fp(stderr);
     }
     else
     {
         //printf("Connected with %s encryption\n", SSL_get_cipher(ssl));
         size_t len = strlen(data);
         char *request = (char *)malloc(len + 4096);
         request[0] = 0;
         sprintf(request,
                 "POST %s HTTP/1.1\r\n"
                 "Content-Length: %ld\r\n"
                 "Content-Type: application/json\r\n"
                 "Host: api.openai.com\r\n"
                 "Authorization: Bearer %s\r\n"
                 "Connection: close\r\n\r\n%s",
                 url, len, api_key, data);
         SSL_write(ssl, request, strlen(request));
          free(request);
         int bytes;
         int bytes_total = 0;
         while ((bytes = SSL_read(ssl, buffer + bytes_total, buffer_size - 1)) > 0)
         {
             if (bytes <= 0)
             {
                 break;
             }
             bytes_total += bytes;
             buffer = realloc(buffer, bytes_total + buffer_size);
             buffer[bytes_total] = '\0';
         }
         buffer[bytes_total] = '\0';
     }
     SSL_free(ssl);
     close(sock);
     SSL_CTX_free(ctx);
     cleanup_openssl();
     return buffer;
 }
 char *http_get(const char *hostname, char *url)
 {
     init_openssl();
     int port = 443;
     SSL_CTX *ctx = create_context();
     int sock = create_socket(hostname, port);
     SSL *ssl = SSL_new(ctx);
     SSL_set_connect_state(ssl);
     SSL_set_tlsext_host_name(ssl, hostname);
     SSL_set_fd(ssl, sock);
     int buffer_size = 4096;
     char *buffer = (char *)malloc(buffer_size * sizeof(char));
     if (SSL_connect(ssl) <= 0)
     {
         ERR_print_errors_fp(stderr);
     }
     else
     {
         //printf("Connected with %s encryption\n", SSL_get_cipher(ssl));
         char request[buffer_size];
         request[0] = 0;
         sprintf(request,
                 "GET %s HTTP/1.1\r\n"
                 "Host: api.openai.com\r\n"
                 "Authorization: Bearer %s\r\n"
                 "Connection: close\r\n\r\n",
                 url, api_key);
         SSL_write(ssl, request, strlen(request));
         int bytes;
         int bytes_total = 0;
         while ((bytes = SSL_read(ssl, buffer + bytes_total, buffer_size - 1)) > 0)
         {
             if (bytes <= 0)
             {
                 break;
             }
             bytes_total += bytes;
             buffer = realloc(buffer, bytes_total + buffer_size);
             buffer[bytes_total] = '\0';
         }
     }
     SSL_free(ssl);
     close(sock);
     SSL_CTX_free(ctx);
     cleanup_openssl();
     return buffer;
 }
 #endif