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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__)
#define khttp_urlpartx(...) kutil_urlpartx(NULL, __VA_ARGS__)
#endif
// Why does it return (const unsigned char *)?
#define sqlite3_column_text(...) (const char *)sqlite3_column_text(__VA_ARGS__)
#define SQL(...) #__VA_ARGS__
#define ENUM_PAGES \
X(Networks, "networks") \
X(Contexts, "contexts") \
X(Events, "events") \
X(Search, "search") \
X(Stylesheet, "stylesheet")
extern const char *CSS;
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(Before, "before", kvalid_stringne) \
X(Tidy, "tidy", kvalid_int) \
X(Query, "query", kvalid_stringne) \
X(Offset, "offset", kvalid_int) \
X(Export, "export", NULL)
enum Key {
#define X(key, name, valid) key,
ENUM_KEYS
#undef X
KeysLen,
};
extern const struct kvalid Keys[KeysLen];
extern int contextsRecent;
extern bool contextsPublic;
extern const char *NetworksQuery;
extern const char *ContextsQuery;
extern const char *ContextsMOTDQuery;
enum kcgi_err networksPage(struct kreq *req);
enum kcgi_err contextsPage(struct kreq *req);
extern int eventsGap;
extern int eventsOverlap;
extern int eventsLimit;
extern const char *EventsTopicQuery;
extern const char *EventsAfterQuery;
extern const char *EventsBeforeQuery;
extern const char *SearchQuery;
enum kcgi_err eventsPage(struct kreq *req);
enum kcgi_err searchPage(struct kreq *req);
extern sqlite3 *db;
#define ENUM_STMTS \
X(networks, NetworksQuery) \
X(contexts, ContextsQuery) \
X(motd, ContextsMOTDQuery) \
X(topic, EventsTopicQuery) \
X(eventsAfter, EventsAfterQuery) \
X(eventsBefore, EventsBeforeQuery) \
X(search, SearchQuery)
extern struct Statements {
#define X(name, query) sqlite3_stmt *name;
ENUM_STMTS
#undef X
} stmt;
static inline void dbPrepare(sqlite3_stmt **stmt, const char *query) {
int error = sqlite3_prepare_v3(
db, query, -1, SQLITE_PREPARE_PERSISTENT, stmt, NULL
);
if (error) errx(EX_SOFTWARE, "%s: %s", sqlite3_errmsg(db), query);
}
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));
}
enum {
DatabaseVersionMin = 4,
DatabaseVersionMax = 5,
};
#define ENUM_TYPE \
X(Privmsg, "privmsg") \
X(Notice, "notice") \
X(Action, "action") \
X(Join, "join") \
X(Part, "part") \
X(Quit, "quit") \
X(Kick, "kick") \
X(Nick, "nick") \
X(Topic, "topic") \
X(Ban, "ban") \
X(Unban, "unban")
enum Type {
#define X(id, name) id,
ENUM_TYPE
#undef X
TypesLen,
};
struct Event {
int64_t event;
time_t time;
const char *network;
const char *context;
enum Type type;
const char *nick;
const char *user;
const char *host;
const char *target;
const char *message;
};
extern const char *htmlStylesheet;
enum kcgi_err htmlHead(
struct khtmlreq *html, struct kreq *req, const char *title
);
enum kcgi_err htmlHidden(struct khtmlreq *html, struct kreq *req, enum Key key);
enum kcgi_err htmlNav(struct khtmlreq *html, struct kreq *req);
enum kcgi_err htmlIRC(struct khtmlreq *html, const char *str);
enum kcgi_err htmlEvent(
struct khtmlreq *html, struct kreq *req, struct Event *event
);
enum kcgi_err htmlFooter(struct khtmlreq *html, struct kreq *req);
static inline enum kcgi_err
httpHead(struct kreq *req, enum khttp http, enum kmime mime) {
enum kcgi_err error = 0
|| khttp_head(req, kresps[KRESP_STATUS], "%s", khttps[http])
|| khttp_head(req, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[mime]);
if (req->fieldmap[Export]) {
error = error || khttp_head(
req, kresps[KRESP_CONTENT_DISPOSITION],
"attachment; filename=\"%s.%s\"", req->pagename, ksuffixes[mime]
);
}
return error;
}
static inline enum kcgi_err
httpRedirect(struct kreq *req, const char *url) {
return httpHead(req, KHTTP_302, KMIME_TEXT_PLAIN)
|| khttp_head(req, kresps[KRESP_LOCATION], "%s", url)
|| khttp_body(req)
|| khttp_printf(req, "%s\n", url);
}
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]);
}
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