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/*
* Copyright (c) 2014 DeNA Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include "h2o.h"
#include "h2o/configurator.h"
struct expires_configurator_t {
h2o_configurator_t super;
h2o_expires_args_t **args;
h2o_expires_args_t *_args_stack[H2O_CONFIGURATOR_NUM_LEVELS + 1];
};
static int on_config_expires(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node)
{
struct expires_configurator_t *self = (void *)cmd->configurator;
uint64_t value;
char unit[32];
if (strcasecmp(node->data.scalar, "OFF") == 0) {
free(*self->args);
*self->args = NULL;
} else if (sscanf(node->data.scalar, "%" SCNu64 " %31s", &value, unit) == 2) {
/* convert value to seconds depending on the unit */
if (strncasecmp(unit, H2O_STRLIT("second")) == 0) {
/* ok */
} else if (strncasecmp(unit, H2O_STRLIT("minute")) == 0) {
value *= 60;
} else if (strncasecmp(unit, H2O_STRLIT("hour")) == 0) {
value *= 60 * 60;
} else if (strncasecmp(unit, H2O_STRLIT("day")) == 0) {
value *= 24 * 60 * 60;
} else if (strncasecmp(unit, H2O_STRLIT("month")) == 0) {
value *= 30 * 24 * 60 * 60;
} else if (strncasecmp(unit, H2O_STRLIT("year")) == 0) {
value *= 365 * 30 * 24 * 60 * 60;
} else {
/* TODO add support for H2O_EXPIRES_MODE_MAX_ABSOLUTE that sets the Expires header? */
h2o_configurator_errprintf(cmd, node, "unknown unit:`%s` (see --help)", unit);
return -1;
}
/* save the value */
if (*self->args == NULL)
*self->args = h2o_mem_alloc(sizeof(**self->args));
(*self->args)->mode = H2O_EXPIRES_MODE_MAX_AGE;
(*self->args)->data.max_age = value;
} else {
h2o_configurator_errprintf(cmd, node,
"failed to parse the value, should be in form of: `<number> <unit>` or `OFF` (see --help)");
return -1;
}
return 0;
}
static int on_config_enter(h2o_configurator_t *_self, h2o_configurator_context_t *ctx, yoml_t *node)
{
struct expires_configurator_t *self = (void *)_self;
if (self->args[0] != NULL) {
/* duplicate */
assert(self->args[0]->mode == H2O_EXPIRES_MODE_MAX_AGE);
self->args[1] = h2o_mem_alloc(sizeof(**self->args));
*self->args[1] = *self->args[0];
} else {
self->args[1] = NULL;
}
++self->args;
return 0;
}
static int on_config_exit(h2o_configurator_t *_self, h2o_configurator_context_t *ctx, yoml_t *node)
{
struct expires_configurator_t *self = (void *)_self;
if (*self->args != NULL) {
/* setup */
if (ctx->pathconf != NULL) {
h2o_expires_register(ctx->pathconf, *self->args);
}
/* destruct */
assert((*self->args)->mode == H2O_EXPIRES_MODE_MAX_AGE);
free(*self->args);
*self->args = NULL;
}
--self->args;
return 0;
}
void h2o_expires_register_configurator(h2o_globalconf_t *conf)
{
struct expires_configurator_t *c = (void *)h2o_configurator_create(conf, sizeof(*c));
/* set default vars */
c->args = c->_args_stack;
/* setup handlers */
c->super.enter = on_config_enter;
c->super.exit = on_config_exit;
h2o_configurator_define_command(&c->super, "expires", H2O_CONFIGURATOR_FLAG_ALL_LEVELS | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR,
on_config_expires);
}
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