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/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <err.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>
#include <sysexits.h>
#include <kcgi.h>
#include <kcgihtml.h>
#include <sqlite3.h>
#if KCGI_VMAJOR == 0 && KCGI_VMINOR < 12
#define khttp_urlpart(...) kutil_urlpart(NULL, __VA_ARGS__)
#endif
#define SQL(...) #__VA_ARGS__
enum { DatabaseVersion = 4 };
extern sqlite3 *db;
extern const char *NetworksQuery;
extern const char *ContextsQuery;
extern const char *EventsQuery;
extern const char *SearchQuery;
extern struct Statements {
sqlite3_stmt *networks;
sqlite3_stmt *contexts;
sqlite3_stmt *events;
sqlite3_stmt *search;
} stmt;
static inline void dbClose(void) {
if (stmt.networks) sqlite3_finalize(stmt.networks);
if (stmt.contexts) sqlite3_finalize(stmt.contexts);
if (stmt.events) sqlite3_finalize(stmt.events);
if (stmt.search) sqlite3_finalize(stmt.search);
sqlite3_close(db);
}
static inline int dbParam(sqlite3_stmt *stmt, const char *param) {
int index = sqlite3_bind_parameter_index(stmt, param);
if (index) return index;
errx(EX_SOFTWARE, "no such parameter %s: %s", param, sqlite3_sql(stmt));
}
static inline void
dbBindInt(sqlite3_stmt *stmt, const char *param, sqlite3_int64 value) {
if (!sqlite3_bind_int64(stmt, dbParam(stmt, param), value)) return;
errx(EX_SOFTWARE, "sqlite3_bind_int64: %s", sqlite3_errmsg(db));
}
static inline void
dbBindText(sqlite3_stmt *stmt, const char *param, const char *value) {
if (!sqlite3_bind_text(stmt, dbParam(stmt, param), value, -1, NULL)) return;
errx(EX_SOFTWARE, "sqlite3_bind_text: %s", sqlite3_errmsg(db));
}
#define ENUM_PAGES \
X(Networks, "networks") \
X(Contexts, "contexts") \
X(Events, "events") \
X(Search, "search")
enum {
#define X(page, path) page,
ENUM_PAGES
#undef X
PagesLen,
};
extern const char *Pages[PagesLen];
#define ENUM_KEYS \
X(Network, "network", kvalid_stringne) \
X(Context, "context", kvalid_stringne) \
X(After, "after", kvalid_stringne) \
X(Query, "query", kvalid_stringne)
enum {
#define X(key, name, valid) key,
ENUM_KEYS
#undef X
KeysLen,
};
extern const struct kvalid Keys[KeysLen];
extern bool pagePublic;
enum kcgi_err pageNetworks(struct kreq *req);
enum kcgi_err pageContexts(struct kreq *req);
enum kcgi_err pageEvents(struct kreq *req);
enum kcgi_err pageSearch(struct kreq *req);
static inline enum kcgi_err
httpHead(struct kreq *req, enum khttp http, enum kmime mime) {
return khttp_head(req, kresps[KRESP_STATUS], "%s", khttps[http])
|| khttp_head(req, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[mime]);
}
static inline enum kcgi_err httpFail(struct kreq *req, enum khttp http) {
return httpHead(req, http, KMIME_TEXT_PLAIN)
|| khttp_body(req)
|| khttp_printf(req, "%s\n", khttps[http]);
}
extern const char *htmlStylesheet;
enum kcgi_err htmlHead(struct khtmlreq *html, const char *title);
enum kcgi_err htmlNav(
struct khtmlreq *html, const char *network, const char *context
);
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