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#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <cJSON.h>
#include <curl/curl.h>
#include <init.h>
#include <log.h>
#include <subsys.h>
extern int http_get(char *url);
char *gateway_url;
int net_subsystem(void)
{
print(LOG_INFO "net: starting net subsystem");
return 0;
}
void net_get_gateway_url()
{
int fd = http_get("https://discord.com/api/gateway/bot");
if(fd < 0) {
print(LOG_ERR "net: failed to get gateway url (error %d)", -fd);
goto assume;
}
char buf[512];
int buf_length = read(fd, buf, 512);
close(fd);
cJSON *gateway_info = cJSON_ParseWithLength(buf, buf_length);
cJSON *gateway_url_json = cJSON_GetObjectItemCaseSensitive(gateway_info, "url");
if(!cJSON_IsString(gateway_url_json) || gateway_url_json->valuestring == NULL) {
print(LOG_ERR "net: cannot get gateway url from api (token invalid?)");
cJSON_Delete(gateway_info);
goto assume;
}
char *gateway_url = calloc(strlen(gateway_url_json->valuestring) + 1, sizeof(char));
strcpy(gateway_url, gateway_url_json->valuestring);
print(LOG_DEBUG "net: using gateway url %s", gateway_url);
free(gateway_url);
cJSON_Delete(gateway_info);
return;
assume:
print(LOG_DEBUG "net: assuming gateway url wss://gateway.discord.gg");
gateway_url = calloc(strlen("wss://gateway.discord.gg") + 1, sizeof(char));
strcpy(gateway_url, "wss://gateway.discord.gg");
return;
}
l1_initcall(net_get_gateway_url);
void net_initcall()
{
start_subsystem(net_subsystem);
}
l2_initcall(net_initcall);
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