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#include <cjson/cJSON.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "auth.h"
#include "common/config.h"
#include "common/http.h"
#define USER_STR "user="
#define PASS_STR "&password="
static char * authToken = NULL;
const char * // returns authToken if ok, NULL otherwise
restapi_login(const char* username, const char* password)
{
http_init();
size_t user_str_len = strlen(USER_STR);
size_t user_len = strlen(username);
size_t pass_str_len = strlen(PASS_STR);
size_t pass_len = strlen(password);
char* login_args = malloc(user_str_len + user_len + pass_str_len + pass_len + 1);
strcpy(login_args, USER_STR);
strcpy(login_args + user_str_len, username);
strcpy(login_args + user_str_len + user_len, PASS_STR);
strcpy(login_args + user_str_len + user_len + pass_str_len, password);
const char* buffer = http_post("/api/v1/login", login_args);
free(login_args);
if (buffer == NULL) {
fprintf(stderr, "Error while authenticating, http post didn't return any data.\n");
return NULL;
}
cJSON* json = cJSON_Parse(buffer);
if (json == NULL) {
const char *error_ptr = cJSON_GetErrorPtr();
if (error_ptr != NULL)
fprintf(stderr, "Json parsing error before: %s\n", error_ptr);
fprintf(stderr, "Error while authenticating, couldn't parse json output :\n%s\n", buffer);
goto login_json_cleanup;
}
const cJSON* status = cJSON_GetObjectItemCaseSensitive(json, "status");
if (cJSON_IsString(status) && status->valuestring != NULL && strcmp(status->valuestring, "success") == 0) {
cJSON* data = cJSON_GetObjectItemCaseSensitive(json, "data");
if (!cJSON_IsObject(data)) {
fprintf(stderr, "Error while authenticating, couldn't parse json output :\n%s\n", buffer);
goto login_json_cleanup;
}
cJSON* userId = cJSON_GetObjectItemCaseSensitive(data, "userId");
cJSON* jauthToken = cJSON_GetObjectItemCaseSensitive(data, "authToken");
if (!cJSON_IsString(userId) || userId->valuestring == NULL || !cJSON_IsString(jauthToken) || jauthToken->valuestring == NULL) {
fprintf(stderr, "Error while authenticating, couldn't parse json output :\n%s\n", buffer);
goto login_json_cleanup;
}
printf("userid: %s\nauthtoken: %s\n", userId->valuestring, jauthToken->valuestring);
http_add_header("X-User-Id", userId->valuestring);
http_add_header("X-Auth-Token", jauthToken->valuestring);
http_add_header("Content-type", "application/json");
http_add_header("Expect", "");
authToken = malloc(strlen(jauthToken->valuestring) + 1);
strcpy(authToken, jauthToken->valuestring);
} else {
const cJSON* msg = cJSON_GetObjectItemCaseSensitive(json, "message");
if (cJSON_IsString(msg) && msg->valuestring != NULL)
fprintf(stderr, "Error while authenticating: %s\n", msg->valuestring);
else
fprintf(stderr, "Error while authenticating.\n%s\n", buffer);
}
login_json_cleanup:
cJSON_Delete(json);
return authToken;
}
void restapi_logout(void)
{
(void) http_post("/api/v1/logout", NULL);
http_clean();
free(authToken);
}
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