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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 <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <unistd.h>
#include "server.h"
sqlite3 *db;
struct Statements stmt;
static void prepareAll(void) {
#define X(name, query) dbPrepare(&stmt.name, query);
ENUM_STMTS
#undef X
}
static void finalizeAll(void) {
#define X(name, query) sqlite3_finalize(stmt.name);
ENUM_STMTS
#undef X
sqlite3_close(db);
}
const char *Pages[PagesLen] = {
#define X(page, path) [page] = path,
ENUM_PAGES
#undef X
};
const struct kvalid Keys[KeysLen] = {
#define X(key, name, valid) [key] = { valid, name },
ENUM_KEYS
#undef X
};
static enum kcgi_err stylesheet(struct kreq *req) {
if (req->mime != KMIME_TEXT_CSS) return httpFail(req, KHTTP_404);
enum kcgi_err error = 0
|| httpHead(req, KHTTP_200, KMIME_TEXT_CSS)
|| khttp_head(
req, kresps[KRESP_CACHE_CONTROL],
"public, max-age=86400, immutable"
)
|| khttp_body(req);
if (req->method == KMETHOD_HEAD) return error;
return error || khttp_puts(req, CSS);
}
static enum kcgi_err dispatch(struct kreq *req) {
if (req->method != KMETHOD_HEAD && req->method != KMETHOD_GET) {
return httpFail(req, KHTTP_405);
}
switch (req->page) {
case Networks: return networksPage(req);
case Contexts: return contextsPage(req);
case Events: return eventsPage(req);
case Search: return searchPage(req);
case Stylesheet: return stylesheet(req);
default: return httpFail(req, KHTTP_404);
}
}
#define ENV "SCOOPER_"
int main(int argc, char *argv[]) {
const char *path = NULL;
bool test = false;
const char *val;
if ((val = getenv(ENV "DATABASE"))) path = val;
if ((val = getenv(ENV "GAP"))) eventsGap = strtol(val, NULL, 10);
if ((val = getenv(ENV "LIMIT"))) eventsLimit = strtol(val, NULL, 10);
if ((val = getenv(ENV "OVERLAP"))) eventsOverlap = strtol(val, NULL, 10);
if ((val = getenv(ENV "PUBLIC"))) contextsPublic = (val[0] != '0');
if ((val = getenv(ENV "RECENT"))) contextsRecent = strtol(val, NULL, 10);
if ((val = getenv(ENV "STYLESHEET"))) htmlStylesheet = val;
for (int opt; 0 < (opt = getopt(argc, argv, "cg:l:o:pr:s:"));) {
switch (opt) {
break; case 'c': test = true;
break; case 'g': eventsGap = strtol(optarg, NULL, 10);
break; case 'l': eventsLimit = strtol(optarg, NULL, 10);
break; case 'o': eventsOverlap = strtol(optarg, NULL, 10);
break; case 'p': contextsPublic = true;
break; case 'r': contextsRecent = strtol(optarg, NULL, 10);
break; case 's': htmlStylesheet = optarg;
break; default: return EX_USAGE;
}
}
if (optind < argc) path = argv[optind];
if (!path) errx(EX_USAGE, "database path required");
int error = sqlite3_open_v2(path, &db, SQLITE_OPEN_READONLY, NULL);
if (error) errx(EX_NOINPUT, "%s: %s", path, sqlite3_errmsg(db));
atexit(finalizeAll);
sqlite3_stmt *check;
error = sqlite3_prepare_v2(
db, SQL(PRAGMA user_version;), -1, &check, NULL
);
if (error) errx(EX_SOFTWARE, "%s", sqlite3_errmsg(db));
error = sqlite3_step(check);
if (error != SQLITE_ROW) errx(EX_SOFTWARE, "%s", sqlite3_errmsg(db));
int version = sqlite3_column_int(check, 0);
if (version < DatabaseVersionMin || version > DatabaseVersionMax) {
errx(EX_DATAERR, "unsupported database version %d", version);
}
sqlite3_finalize(check);
prepareAll();
if (test) return EX_OK;
if (khttp_fcgi_test()) {
struct kfcgi *fcgi;
enum kcgi_err error = khttp_fcgi_init(
&fcgi, Keys, KeysLen, Pages, PagesLen, Networks
);
if (error) errx(EX_CONFIG, "khttp_fcgi_init: %s", kcgi_strerror(error));
for (
struct kreq req;
KCGI_OK == (error = khttp_fcgi_parse(fcgi, &req));
khttp_free(&req)
) {
error = dispatch(&req);
if (error && error != KCGI_HUP) break;
}
if (error != KCGI_EXIT) {
errx(EX_PROTOCOL, "khttp_fcgi_parse: %s", kcgi_strerror(error));
}
khttp_fcgi_free(fcgi);
} else {
struct kreq req;
enum kcgi_err error = khttp_parse(
&req, Keys, KeysLen, Pages, PagesLen, Networks
);
if (error) errx(EX_PROTOCOL, "khttp_parse: %s", kcgi_strerror(error));
error = dispatch(&req);
if (error) errx(EX_PROTOCOL, "%s", kcgi_strerror(error));
khttp_free(&req);
}
}
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