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/*
* Copyright (c) 2015 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 <assert.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include "h2o.h"
struct st_expires_t {
h2o_filter_t super;
int mode;
h2o_iovec_t value;
};
static void on_setup_ostream(h2o_filter_t *_self, h2o_req_t *req, h2o_ostream_t **slot)
{
struct st_expires_t *self = (void *)_self;
switch (req->res.status) {
case 200:
case 201:
case 204:
case 206:
case 301:
case 302:
case 303:
case 304:
case 307:
switch (self->mode) {
case H2O_EXPIRES_MODE_ABSOLUTE:
h2o_set_header(&req->pool, &req->res.headers, H2O_TOKEN_EXPIRES, self->value.base, self->value.len, 0);
break;
case H2O_EXPIRES_MODE_MAX_AGE:
h2o_set_header_token(&req->pool, &req->res.headers, H2O_TOKEN_CACHE_CONTROL, self->value.base, self->value.len);
break;
default:
assert(0);
break;
}
break;
default:
break;
}
h2o_setup_next_ostream(req, slot);
}
void h2o_expires_register(h2o_pathconf_t *pathconf, h2o_expires_args_t *args)
{
struct st_expires_t *self = (void *)h2o_create_filter(pathconf, sizeof(*self));
self->super.on_setup_ostream = on_setup_ostream;
self->mode = args->mode;
switch (args->mode) {
case H2O_EXPIRES_MODE_ABSOLUTE:
self->value = h2o_strdup(NULL, args->data.absolute, SIZE_MAX);
break;
case H2O_EXPIRES_MODE_MAX_AGE:
self->value.base = h2o_mem_alloc(128);
self->value.len = sprintf(self->value.base, "max-age=%" PRIu64, args->data.max_age);
break;
default:
assert(0);
break;
}
}
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