1 files changed, 123 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/lib/handler/configurator/expires.c b/web/server/h2o/libh2o/lib/handler/configurator/expires.c
new file mode 100644
index 00000000..01d404dd
--- /dev/null
+++ b/web/server/h2o/libh2o/lib/handler/configurator/expires.c
@@ -0,0 +1,123 @@
+/*
+ * 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);
+}