server.h

/*
 * Copyright (c) Kristaps Dzonsons <kristaps@bsd.lv>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#ifndef KCALDAV_H
#define KCALDAV_H

enum	xml {
	XML_CALDAV_CALENDAR,
	XML_CALDAV_CALENDAR_DATA,
	XML_CALDAV_COMP,
	XML_CALDAV_OPAQUE,
	XML_CALDAVSERV_PROXY_READ,
	XML_CALDAVSERV_PROXY_READ_FOR,
	XML_CALDAVSERV_PROXY_WRITE,
	XML_CALDAVSERV_PROXY_WRITE_FOR,
	XML_DAV_BIND,
	XML_DAV_COLLECTION,
	XML_DAV_HREF,
	XML_DAV_MULTISTATUS,
	XML_DAV_PRINCIPAL,
	XML_DAV_PRIVILEGE,
	XML_DAV_PROP,
	XML_DAV_PROPSTAT,
	XML_DAV_READ,
	XML_DAV_READ_CURRENT_USER_PRIVILEGE_SET,
	XML_DAV_RESOURCETYPE,
	XML_DAV_RESPONSE,
	XML_DAV_STATUS,
	XML_DAV_UNBIND,
	XML_DAV_WRITE,
	XML__MAX
};

enum	page {
	PAGE_DELCOLN = 0,
	PAGE_DELPROXY,
	PAGE_INDEX,
	PAGE_LOGOUT,
	PAGE_MODPROXY,
	PAGE_NEWCOLN,
	PAGE_SETCOLNPROPS,
	PAGE_SETEMAIL,
	PAGE_SETPASS,
	PAGE__MAX
};

enum	valid {
	VALID_BITS = 0,
	VALID_BODY,
	VALID_COLOUR,
	VALID_DESCRIPTION,
	VALID_EMAIL,
	VALID_ID,
	VALID_NAME,
	VALID_PASS,
	VALID_PATH,
	VALID__MAX
};

/*
 * Run-time configuration.
 */
struct	conf {
	char		*logfile; /* logfile or NULL (ptr needs free) */
	int		 verbose; /* assign to verbose */
};

/*
 * State carried through the system for a single operator.
 */
struct	state {
	struct prncpl	*prncpl; /* current user principal */
	struct prncpl	*rprncpl; /* requested user principal */
	struct coln	*cfg; /* (resource in?) requested collection */
	int		 proxy; /* permission of this proxy request */
	char		 caldir[PATH_MAX]; /* calendar root */
	char		*principal; /* principal in request */
	char		*collection; /* collection in request */
	char		*resource; /* resource in request */
	const char	*nonce; /* requested nonce */
};

typedef void (*principalfp)(struct kreq *, struct kxmlreq *);
typedef void (*collectionfp)(struct kreq *,
	struct kxmlreq *, const struct coln *);
typedef void (*resourcefp)(struct kreq *, 
	struct kxmlreq *, const struct coln *, const struct res *);

/*
 * This fully describes the properties that we handle and their various
 * callbacks and informational bits.
 */
struct	property {
	unsigned int	flags;
	collectionfp	cgetfp;
	resourcefp	rgetfp;
	principalfp	pgetfp;
};

int		 conf_read(const char *, struct conf *);

int		 xml_ical_putc(int, void *);
int		 http_ical_putc(int, void *);

void		 http_error(struct kreq *, enum khttp);
int		 http_paths(const char *, char **, char **, char **);
int		 http_safe_string(const char *);
const char	*http_etag_if_match(const char *, char **);

void		 method_delete(struct kreq *);
void		 method_get(struct kreq *);
void		 method_json(struct kreq *);
void		 method_options(struct kreq *);
void		 method_propfind(struct kreq *);
void		 method_proppatch(struct kreq *);
void		 method_put(struct kreq *);
void		 method_report(struct kreq *);

void		 kutil_err_noexit(struct kreq *,
			const char *, const char *, ...);
void		 kutil_errx_noexit(struct kreq *,
			const char *, const char *, ...);
void		 kutil_dbg(struct kreq *,
			const char *, const char *, ...);

extern const char *const xmls[XML__MAX];
extern const struct property properties[CALPROP__MAX];

#endif