|
// Written by retoor@molodetz.nl
|
|
|
|
// This code defines a simple HTTP client using libcurl in C, providing a function `curl_post` to make POST requests with JSON data, including authorization via a bearer token.
|
|
|
|
// Uses libcurl for HTTP requests and includes a custom "auth.h" for API key resolution.
|
|
|
|
// MIT License
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions: the above copyright
|
|
// notice and this permission notice shall be included in all copies or substantial
|
|
// portions of the Software. The Software is provided "as is", without warranty of
|
|
// any kind, express or implied, including but not limited to the warranties of
|
|
// merchantability, fitness for a particular purpose and noninfringement. In no
|
|
// event shall the authors or copyright holders be liable for any claim, damages
|
|
// or other liability, whether in an action of contract, tort or otherwise, arising
|
|
// from, out of or in connection with the software or the use or other dealings in
|
|
// the Software.
|
|
|
|
|
|
#ifndef HTTP_CURL
|
|
#define HTTP_CURL
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <curl/curl.h>
|
|
#include "auth.h"
|
|
|
|
struct ResponseBuffer {
|
|
char *data;
|
|
size_t size;
|
|
};
|
|
|
|
static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) {
|
|
size_t total_size = size * nmemb;
|
|
struct ResponseBuffer *response = (struct ResponseBuffer *)userp;
|
|
char *ptr = realloc(response->data, response->size + total_size + 1);
|
|
if (ptr == NULL) {
|
|
fprintf(stderr, "Failed to allocate memory for response\n");
|
|
return 0;
|
|
}
|
|
response->data = ptr;
|
|
memcpy(&(response->data[response->size]), contents, total_size);
|
|
response->size += total_size;
|
|
response->data[response->size] = '\0';
|
|
return total_size;
|
|
}
|
|
|
|
char *curl_post(const char *url, const char *data) {
|
|
CURL *curl;
|
|
CURLcode res;
|
|
struct ResponseBuffer response;
|
|
response.data = malloc(1);
|
|
response.size = 0;
|
|
curl = curl_easy_init();
|
|
if (curl) {
|
|
struct curl_slist *headers = NULL;
|
|
curl_easy_setopt(curl, CURLOPT_URL, url);
|
|
headers = curl_slist_append(headers, "Content-Type: application/json");
|
|
char *bearer_header = malloc(1337);
|
|
sprintf(bearer_header, "Authorization: Bearer %s", resolve_api_key());
|
|
headers = curl_slist_append(headers, bearer_header);
|
|
free(bearer_header);
|
|
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
|
|
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
|
|
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
|
|
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&response);
|
|
res = curl_easy_perform(curl);
|
|
if (res != CURLE_OK) {
|
|
fprintf(stderr, "An error occurred: %s\n", curl_easy_strerror(res));
|
|
}
|
|
curl_slist_free_all(headers);
|
|
curl_easy_cleanup(curl);
|
|
return response.data;
|
|
}
|
|
return NULL;
|
|
}
|
|
#endif |