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#define _POSIX_C_SOURCE 200112L
#include "cptc.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <curl/curl.h>
#include <curl/easy.h>
static size_t write_function(void *contents, size_t size, size_t nmemb, void *userp)
{
size_t realsize = size * nmemb;
struct {char *buf; size_t size;} *mem = userp;
mem->buf = realloc(mem->buf, mem->size + realsize + 1);
if (!mem->buf)
{
perror("realloc()");
return 0;
}
memcpy(&(mem->buf[mem->size]), contents, realsize);
mem->size += realsize;
mem->buf[mem->size] = 0;
return realsize;
}
char *CPTC_downloadAvatar(long long uid, const char *filenamebuf)
{
char *avatar, link[256], auth[128], *ret;
CURL *curl;
CURLcode res;
FILE *fp;
struct {char *buf; size_t size;} buffer;
buffer.buf = malloc(1);
buffer.size = 0;
curl = curl_easy_init();
if (curl)
{
snprintf(link, sizeof(link), "https://discord.com/api/v9/users/%lld", uid);
snprintf(auth, sizeof(auth), "Authorization: %s", CPTC_token);
curl_easy_setopt(curl, CURLOPT_URL, link);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_function);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, curl_slist_append(NULL, auth));
res = curl_easy_perform(curl);
if (res != CURLE_OK)
{
fprintf(stderr, "curl_easy_perform(): %s\n", curl_easy_strerror(res));
curl_easy_cleanup(curl);
free(buffer.buf);
return NULL;
}
curl_easy_cleanup(curl);
} else
{
free(buffer.buf);
return NULL;
}
avatar = strstr(buffer.buf, "avatar\":\"") + 9;
if (!(avatar - 9))
{
fprintf(stderr, "User %lld has no avatar\n", uid);
free(buffer.buf);
return NULL;
}
*strchr(avatar, '"') = '\0';
fp = fopen(filenamebuf, "w");
if (!fp)
{
perror("fopen()");
free(buffer.buf);
return NULL;
}
curl = curl_easy_init();
if (curl)
{
snprintf(link, sizeof(link), "https://cdn.discordapp.com/avatars/%lld/%s.png", uid, avatar);
curl_easy_setopt(curl, CURLOPT_URL, link);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, curl_slist_append(NULL, auth));
res = curl_easy_perform(curl);
if (res != CURLE_OK)
{
fprintf(stderr, "curl_easy_perform(): %s\n", curl_easy_strerror(res));
curl_easy_cleanup(curl);
fclose(fp);
free(buffer.buf);
return NULL;
}
curl_easy_cleanup(curl);
} else
{
fclose(fp);
free(buffer.buf);
return NULL;
}
fclose(fp);
ret = malloc(strlen(filenamebuf) + 1);
memcpy(ret, filenamebuf, strlen(filenamebuf) + 1);
free(buffer.buf);
return ret;
}
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