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/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
** See the GNU Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/
#ifndef ZABBIX_ZBXHTTP_H
#define ZABBIX_ZBXHTTP_H
#include "zbxcommon.h"
#define ZBX_HTTPFIELD_HEADER 0
#define ZBX_HTTPFIELD_VARIABLE 1
#define ZBX_HTTPFIELD_POST_FIELD 2
#define ZBX_HTTPFIELD_QUERY_FIELD 3
#define ZBX_POSTTYPE_RAW 0
#define ZBX_POSTTYPE_FORM 1
#define ZBX_POSTTYPE_JSON 2
#define ZBX_POSTTYPE_XML 3
#define ZBX_POSTTYPE_NDJSON 4
#define ZBX_RETRIEVE_MODE_CONTENT 0
#define ZBX_RETRIEVE_MODE_HEADERS 1
#define ZBX_RETRIEVE_MODE_BOTH 2
int zbx_http_punycode_encode_url(char **url);
char *zbx_determine_charset(const char *content_type, char *body, size_t size);
#ifdef HAVE_LIBCURL
typedef struct
{
char *data;
size_t allocated;
size_t offset;
}
zbx_http_response_t;
typedef struct
{
CURL *easyhandle;
struct curl_slist *headers_slist;
zbx_http_response_t body;
zbx_http_response_t header;
char errbuf[CURL_ERROR_SIZE];
int max_attempts;
unsigned char retrieve_mode;
unsigned char output_format;
}
zbx_http_context_t;
size_t zbx_curl_write_cb(void *ptr, size_t size, size_t nmemb, void *userdata);
size_t zbx_curl_ignore_cb(void *ptr, size_t size, size_t nmemb, void *userdata);
typedef size_t (*zbx_curl_cb_t)(void *ptr, size_t size, size_t nmemb, void *userdata);
int zbx_http_prepare_callbacks(CURL *easyhandle, zbx_http_response_t *header, zbx_http_response_t *body,
zbx_curl_cb_t header_cb, zbx_curl_cb_t body_cb, char *errbuf, char **error);
int zbx_http_prepare_ssl(CURL *easyhandle, const char *ssl_cert_file, const char *ssl_key_file,
const char *ssl_key_password, unsigned char verify_peer, unsigned char verify_host,
const char *config_source_ip, const char *config_ssl_ca_location, const char *config_ssl_cert_location,
const char *config_ssl_key_location, char **error);
int zbx_http_prepare_auth(CURL *easyhandle, unsigned char authtype, const char *username, const char *password,
const char *token, char **error);
char *zbx_http_parse_header(char **headers);
int zbx_http_req(const char *url, const char *header, long timeout, const char *ssl_cert_file,
const char *ssl_key_file, const char *config_source_ip, const char *config_ssl_ca_location,
const char *config_ssl_cert_location, const char *config_ssl_key_location, char **out,
const char *post_data, long *response_code, char **error);
#define HTTP_REQUEST_GET 0
#define HTTP_REQUEST_POST 1
#define HTTP_REQUEST_PUT 2
#define HTTP_REQUEST_HEAD 3
#define HTTP_STORE_RAW 0
#define HTTP_STORE_JSON 1
void zbx_http_context_create(zbx_http_context_t *context);
void zbx_http_context_destroy(zbx_http_context_t *context);
int zbx_http_request_prepare(zbx_http_context_t *context, unsigned char request_method, const char *url,
const char *query_fields, char *headers,
const char *posts, unsigned char retrieve_mode, const char *http_proxy, unsigned char follow_redirects,
int timeout, int max_attempts, const char *ssl_cert_file, const char *ssl_key_file,
const char *ssl_key_password, unsigned char verify_peer, unsigned char verify_host,
unsigned char authtype, const char *username, const char *password, const char *token,
unsigned char post_type, unsigned char output_format, const char *config_source_ip,
const char *config_ssl_ca_location, const char *config_ssl_cert_location,
const char *config_ssl_key_location, char **error);
CURLcode zbx_http_request_sync_perform(CURL *easyhandle, zbx_http_context_t *context, int attempt_interval,
int check_response_code);
int zbx_http_handle_response(CURL *easyhandle, zbx_http_context_t *context, CURLcode err, long *response_code,
char **out, char **error);
int zbx_handle_response_code(char *status_codes, long response_code, const char *out, char **error);
void zbx_http_convert_to_utf8(CURL *easyhandle, char **data, size_t *size, size_t *allocated);
#define ZBX_HTTP_IGNORE_RESPONSE_CODE 0
#define ZBX_HTTP_CHECK_RESPONSE_CODE 1
#endif
#endif
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