/*
 * This file is part of NetSurf, http://netsurf-browser.org/
 * Licensed under the GNU General Public License,
 *                http://www.opensource.org/licenses/gpl-license
 * Copyright 2003 James Bursa <bursa@users.sourceforge.net>
 */

/** \file
 * Fetching of data from a URL (interface).
 */

#ifndef _NETSURF_DESKTOP_FETCH_H_
#define _NETSURF_DESKTOP_FETCH_H_

#include <stdbool.h>
#include "curl/curl.h"
#include "netsurf/utils/config.h"

typedef enum {
              FETCH_TYPE,
              FETCH_PROGRESS,
              FETCH_DATA,
              FETCH_FINISHED,
              FETCH_ERROR,
              FETCH_REDIRECT,
              FETCH_NOTMODIFIED,
#ifdef WITH_AUTH
              FETCH_AUTH,
#endif
#ifdef WITH_SSL
              FETCH_CERT_ERR,
#endif
} fetch_msg;

struct content;
struct fetch;
struct form_successful_control;

struct cache_data {
	time_t req_time;	/**< Time of request */
	time_t res_time;	/**< Time of response */
	time_t date;		/**< Date: response header */
	time_t expires;		/**< Expires: response header */
#define INVALID_AGE -1
	int age;		/**< Age: response header */
	int max_age;		/**< Max-age Cache-control parameter */
	bool no_cache;		/**< no-cache Cache-control parameter */
	char *etag;		/**< Etag: response header */
	time_t last_modified;	/**< Last-Modified: response header */
};

#ifdef WITH_SSL
struct ssl_cert_info {
	long version;		/**< Certificate version */
	char not_before[32];	/**< Valid from date */
	char not_after[32];	/**< Valid to date */
	int sig_type;		/**< Signature type */
	long serial;		/**< Serial number */
	char issuer[256];	/**< Issuer details */
	char subject[256];	/**< Subject details */
	int cert_type;		/**< Certificate type */
};
#endif

extern bool fetch_active;
extern CURLM *fetch_curl_multi;

void fetch_init(void);
struct fetch * fetch_start(char *url, char *referer,
		void (*callback)(fetch_msg msg, void *p, const void *data,
				unsigned long size),
		void *p, bool only_2xx, char *post_urlenc,
		struct form_successful_control *post_multipart,
		bool cookies, char *headers[]);
void fetch_abort(struct fetch *f);
void fetch_poll(void);
void fetch_quit(void);
const char *fetch_filetype(const char *unix_path);
char *fetch_mimetype(const char *ro_path);
bool fetch_can_fetch(const char *url);
void fetch_change_callback(struct fetch *fetch,
		void (*callback)(fetch_msg msg, void *p, const void *data,
				unsigned long size),
		void *p);
long fetch_http_code(struct fetch *fetch);

#endif