mirror of
https://github.com/alibaba/higress.git
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136 lines
3.8 KiB
C++
136 lines
3.8 KiB
C++
/*
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* Copyright (c) 2022 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <assert.h>
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#include <string>
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#include <unordered_set>
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#include "common/route_rule_matcher.h"
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#define ASSERT(_X) assert(_X)
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#ifndef NULL_PLUGIN
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#include "proxy_wasm_intrinsics.h"
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#else
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#include "include/proxy-wasm/null_plugin.h"
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namespace proxy_wasm {
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namespace null_plugin {
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namespace key_auth {
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#endif
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struct Consumer {
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std::string name;
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std::unordered_set<std::string> credentials;
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std::optional<std::vector<std::string>> keys;
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std::optional<bool> in_query = std::nullopt;
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std::optional<bool> in_header = std::nullopt;
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// std::string debugString() const {
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// std::string msg;
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// msg += "name: " + name + "\n";
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// msg += " keys: \n";
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// if (keys.has_value()) {
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// for (const auto& item : keys.value()) {
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// msg += " - " + item + "\n";
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// }
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// }
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// msg += " credentials: \n";
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// for (const auto& item : credentials) {
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// msg += " - " + item + "\n";
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// }
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// return msg;
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// }
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};
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struct KeyAuthConfigRule {
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std::vector<Consumer> consumers;
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std::unordered_set<std::string> credentials;
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std::unordered_map<std::string, std::string> credential_to_name;
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std::string realm = "MSE Gateway";
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std::vector<std::string> keys;
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bool in_query = true;
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bool in_header = true;
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// std::string debugString(std::string prompt="") const {
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// std::string msg;
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// msg += prompt + "\n";
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// msg += "realm: " + realm + "\n";
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// msg += "keys: \n";
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// for (const auto& item : keys) {
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// msg += "- " + item + "\n";
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// }
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// msg += "credentials: \n";
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// for (const auto& item : credentials) {
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// msg += "- " + item + "\n";
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// }
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// msg += "credential_to_name: \n";
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// for (const auto& item : credential_to_name) {
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// msg += "- " + item.first + ": " + item.second + "\n";
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// }
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// msg += "consumers: \n";
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// for (const auto& item : consumers) {
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// msg += "- " + item.debugString();
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// }
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// return msg;
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// }
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};
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// PluginRootContext is the root context for all streams processed by the
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// thread. It has the same lifetime as the worker thread and acts as target for
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// interactions that outlives individual stream, e.g. timer, async calls.
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class PluginRootContext : public RootContext,
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public RouteRuleMatcher<KeyAuthConfigRule> {
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public:
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PluginRootContext(uint32_t id, std::string_view root_id)
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: RootContext(id, root_id) {}
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~PluginRootContext() {}
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bool onConfigure(size_t) override;
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bool checkPlugin(const KeyAuthConfigRule&,
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const std::optional<std::unordered_set<std::string>>&);
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bool configure(size_t);
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private:
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bool parsePluginConfig(const json&, KeyAuthConfigRule&) override;
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std::string extractCredential(bool in_header, bool in_query,
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const std::string& key);
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};
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// Per-stream context.
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class PluginContext : public Context {
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public:
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explicit PluginContext(uint32_t id, RootContext* root) : Context(id, root) {}
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FilterHeadersStatus onRequestHeaders(uint32_t, bool) override;
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private:
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inline PluginRootContext* rootContext() {
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return dynamic_cast<PluginRootContext*>(this->root());
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}
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};
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#ifdef NULL_PLUGIN
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} // namespace key_auth
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} // namespace null_plugin
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} // namespace proxy_wasm
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#endif
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