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#define _POSIX_C_SOURCE 200809L
#include <err.h>
#include <string.h>
#include <stdbool.h>
#include <jansson.h>
#include "http.h"
#include "config.h"
#include "log.h"
#define CLIENT_NAME "ap_client"
#define REGISTER_URL "https://%s/api/v1/apps"
struct register_response {
char *client_id;
char *client_secret;
};
static char *get_register_url(const char *domain)
{
char *url;
size_t size;
size = strlen(REGISTER_URL) + strlen(domain) - 1;
url = malloc(size);
if (!url) {
err(1, NULL);
return NULL;
}
sprintf(url, REGISTER_URL, domain);
return url;
}
static char *get_register_req()
{
char *req;
json_t *json_root;
json_root = json_pack_ex(NULL, 1, "{s:s, s:s, s:s}", "client_name",
CLIENT_NAME, "redirect_uris", "urn:ietf:wg:oauth:2.0:oob", "scopes",
"read write push");
if (!json_root) {
return NULL;
}
req = json_dumps(json_root, 0);
json_decref(json_root);
return req;
}
static struct register_response *get_register_resp(const char *data)
{
struct register_response *resp;
json_t *json_root;
json_t *cid, *csec;
json_root = json_loads(data, 0, NULL);
if (!json_root) {
return NULL;
}
if (!json_is_object(json_root)) {
json_decref(json_root);
return NULL;
}
cid = json_object_get(json_root, "client_id");
csec = json_object_get(json_root, "client_secret");
if (!json_is_string(cid) || !json_is_string(csec)) {
json_decref(json_root);
return NULL;
}
resp = calloc(1, sizeof(struct register_response));
resp->client_id = strdup(json_string_value(cid));
resp->client_secret = strdup(json_string_value(csec));
json_decref(json_root);
return resp;
}
int register_app(const char *domain)
{
char *url, *req_data, *resp_data;
struct register_response *resp;
if (!domain || !*domain) {
log_msg(LOG_WARNING, "register_app", "invalid argument");
return -1;
}
url = get_register_url(domain);
if (!url) {
return -1;
}
req_data = get_register_req();
if (!req_data) {
free(url);
return -1;
}
resp_data = post_request(url, req_data);
free(url);
free(req_data);
if (!resp_data) {
log_msg(LOG_WARNING, "register_app", "register request failed");
return -1;
}
resp = get_register_resp(resp_data);
free(resp_data);
if (!resp) {
log_msg(LOG_WARNING, "register_app", "invalid response");
return -1;
}
config_set_client_id(resp->client_id);
config_set_client_secret(resp->client_secret);
config_set_instance_url(domain);
free(resp->client_id);
free(resp->client_secret);
free(resp);
return 0;
}
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