368 lines
11 KiB
C++
368 lines
11 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2015 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "shrpx_mruby_module_request.h"
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#include <mruby/variable.h>
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#include <mruby/string.h>
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#include <mruby/hash.h>
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#include <mruby/array.h>
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#include "shrpx_downstream.h"
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#include "shrpx_upstream.h"
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#include "shrpx_client_handler.h"
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#include "shrpx_mruby.h"
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#include "shrpx_mruby_module.h"
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#include "shrpx_log.h"
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#include "util.h"
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#include "http2.h"
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namespace shrpx {
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namespace mruby {
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namespace {
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mrb_value request_init(mrb_state *mrb, mrb_value self) { return self; }
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} // namespace
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namespace {
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mrb_value request_get_http_version_major(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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const auto &req = downstream->request();
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return mrb_fixnum_value(req.http_major);
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}
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} // namespace
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namespace {
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mrb_value request_get_http_version_minor(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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const auto &req = downstream->request();
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return mrb_fixnum_value(req.http_minor);
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}
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} // namespace
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namespace {
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mrb_value request_get_method(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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const auto &req = downstream->request();
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auto method = http2::to_method_string(req.method);
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return mrb_str_new(mrb, method.c_str(), method.size());
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}
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} // namespace
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namespace {
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mrb_value request_set_method(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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auto &req = downstream->request();
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check_phase(mrb, data->phase, PHASE_REQUEST);
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const char *method;
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mrb_int n;
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mrb_get_args(mrb, "s", &method, &n);
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if (n == 0) {
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mrb_raise(mrb, E_RUNTIME_ERROR, "method must not be empty string");
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}
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auto token =
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http2::lookup_method_token(reinterpret_cast<const uint8_t *>(method), n);
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if (token == -1) {
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mrb_raise(mrb, E_RUNTIME_ERROR, "method not supported");
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}
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req.method = token;
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return self;
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}
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} // namespace
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namespace {
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mrb_value request_get_authority(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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const auto &req = downstream->request();
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return mrb_str_new(mrb, req.authority.c_str(), req.authority.size());
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}
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} // namespace
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namespace {
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mrb_value request_set_authority(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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auto &req = downstream->request();
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auto &balloc = downstream->get_block_allocator();
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check_phase(mrb, data->phase, PHASE_REQUEST);
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const char *authority;
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mrb_int n;
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mrb_get_args(mrb, "s", &authority, &n);
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if (n == 0) {
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mrb_raise(mrb, E_RUNTIME_ERROR, "authority must not be empty string");
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}
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req.authority =
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make_string_ref(balloc, StringRef{authority, static_cast<size_t>(n)});
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return self;
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}
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} // namespace
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namespace {
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mrb_value request_get_scheme(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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const auto &req = downstream->request();
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return mrb_str_new(mrb, req.scheme.c_str(), req.scheme.size());
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}
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} // namespace
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namespace {
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mrb_value request_set_scheme(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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auto &req = downstream->request();
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auto &balloc = downstream->get_block_allocator();
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check_phase(mrb, data->phase, PHASE_REQUEST);
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const char *scheme;
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mrb_int n;
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mrb_get_args(mrb, "s", &scheme, &n);
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if (n == 0) {
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mrb_raise(mrb, E_RUNTIME_ERROR, "scheme must not be empty string");
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}
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req.scheme =
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make_string_ref(balloc, StringRef{scheme, static_cast<size_t>(n)});
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return self;
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}
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} // namespace
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namespace {
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mrb_value request_get_path(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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const auto &req = downstream->request();
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return mrb_str_new(mrb, req.path.c_str(), req.path.size());
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}
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} // namespace
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namespace {
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mrb_value request_set_path(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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auto &req = downstream->request();
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auto &balloc = downstream->get_block_allocator();
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check_phase(mrb, data->phase, PHASE_REQUEST);
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const char *path;
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mrb_int pathlen;
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mrb_get_args(mrb, "s", &path, &pathlen);
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req.path =
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make_string_ref(balloc, StringRef{path, static_cast<size_t>(pathlen)});
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return self;
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}
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} // namespace
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namespace {
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mrb_value request_get_headers(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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const auto &req = downstream->request();
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return create_headers_hash(mrb, req.fs.headers());
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}
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} // namespace
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namespace {
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mrb_value request_mod_header(mrb_state *mrb, mrb_value self, bool repl) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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auto &req = downstream->request();
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auto &balloc = downstream->get_block_allocator();
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check_phase(mrb, data->phase, PHASE_REQUEST);
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mrb_value key, values;
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mrb_get_args(mrb, "So", &key, &values);
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if (RSTRING_LEN(key) == 0) {
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mrb_raise(mrb, E_RUNTIME_ERROR, "empty key is not allowed");
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}
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auto ai = mrb_gc_arena_save(mrb);
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key = mrb_funcall(mrb, key, "downcase", 0);
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auto keyref =
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make_string_ref(balloc, StringRef{RSTRING_PTR(key),
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static_cast<size_t>(RSTRING_LEN(key))});
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mrb_gc_arena_restore(mrb, ai);
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auto token = http2::lookup_token(keyref.byte(), keyref.size());
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if (repl) {
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size_t p = 0;
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auto &headers = req.fs.headers();
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for (size_t i = 0; i < headers.size(); ++i) {
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auto &kv = headers[i];
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if (kv.name == keyref) {
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continue;
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}
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if (i != p) {
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headers[p] = std::move(kv);
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}
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++p;
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}
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headers.resize(p);
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}
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if (mrb_array_p(values)) {
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auto n = RARRAY_LEN(values);
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for (int i = 0; i < n; ++i) {
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auto value = mrb_ary_ref(mrb, values, i);
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if (!mrb_string_p(value)) {
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mrb_raise(mrb, E_RUNTIME_ERROR, "value must be string");
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}
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req.fs.add_header_token(
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keyref,
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make_string_ref(balloc,
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StringRef{RSTRING_PTR(value),
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static_cast<size_t>(RSTRING_LEN(value))}),
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false, token);
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}
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} else if (mrb_string_p(values)) {
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req.fs.add_header_token(
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keyref,
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make_string_ref(balloc,
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StringRef{RSTRING_PTR(values),
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static_cast<size_t>(RSTRING_LEN(values))}),
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false, token);
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} else {
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mrb_raise(mrb, E_RUNTIME_ERROR, "value must be string");
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}
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return mrb_nil_value();
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}
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} // namespace
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namespace {
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mrb_value request_set_header(mrb_state *mrb, mrb_value self) {
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return request_mod_header(mrb, self, true);
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}
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} // namespace
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namespace {
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mrb_value request_add_header(mrb_state *mrb, mrb_value self) {
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return request_mod_header(mrb, self, false);
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}
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} // namespace
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namespace {
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mrb_value request_clear_headers(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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auto &req = downstream->request();
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check_phase(mrb, data->phase, PHASE_REQUEST);
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req.fs.clear_headers();
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return mrb_nil_value();
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}
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} // namespace
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namespace {
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mrb_value request_push(mrb_state *mrb, mrb_value self) {
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auto data = static_cast<MRubyAssocData *>(mrb->ud);
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auto downstream = data->downstream;
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auto upstream = downstream->get_upstream();
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const char *uri;
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mrb_int len;
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mrb_get_args(mrb, "s", &uri, &len);
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upstream->initiate_push(downstream, StringRef{uri, static_cast<size_t>(len)});
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return mrb_nil_value();
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}
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} // namespace
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void init_request_class(mrb_state *mrb, RClass *module) {
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auto request_class =
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mrb_define_class_under(mrb, module, "Request", mrb->object_class);
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mrb_define_method(mrb, request_class, "initialize", request_init,
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MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "http_version_major",
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request_get_http_version_major, MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "http_version_minor",
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request_get_http_version_minor, MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "method", request_get_method,
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MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "method=", request_set_method,
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MRB_ARGS_REQ(1));
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mrb_define_method(mrb, request_class, "authority", request_get_authority,
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MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "authority=", request_set_authority,
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MRB_ARGS_REQ(1));
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mrb_define_method(mrb, request_class, "scheme", request_get_scheme,
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MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "scheme=", request_set_scheme,
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MRB_ARGS_REQ(1));
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mrb_define_method(mrb, request_class, "path", request_get_path,
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MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "path=", request_set_path,
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MRB_ARGS_REQ(1));
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mrb_define_method(mrb, request_class, "headers", request_get_headers,
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MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "add_header", request_add_header,
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MRB_ARGS_REQ(2));
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mrb_define_method(mrb, request_class, "set_header", request_set_header,
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MRB_ARGS_REQ(2));
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mrb_define_method(mrb, request_class, "clear_headers", request_clear_headers,
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MRB_ARGS_NONE());
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mrb_define_method(mrb, request_class, "push", request_push, MRB_ARGS_REQ(1));
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}
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} // namespace mruby
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} // namespace shrpx
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