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100 lines
2.5 KiB
100 lines
2.5 KiB
// Copyright 2021 The frp Authors
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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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package config
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import (
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"bytes"
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"fmt"
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"os"
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"path/filepath"
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)
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func ParseClientConfig(filePath string) (
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cfg ClientCommonConf,
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pxyCfgs map[string]ProxyConf,
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visitorCfgs map[string]VisitorConf,
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err error,
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) {
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var content []byte
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content, err = GetRenderedConfFromFile(filePath)
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if err != nil {
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return
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}
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configBuffer := bytes.NewBuffer(nil)
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configBuffer.Write(content)
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// Parse common section.
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cfg, err = UnmarshalClientConfFromIni(content)
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if err != nil {
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return
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}
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cfg.Complete()
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if err = cfg.Validate(); err != nil {
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err = fmt.Errorf("Parse config error: %v", err)
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return
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}
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// Aggregate proxy configs from include files.
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var buf []byte
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buf, err = getIncludeContents(cfg.IncludeConfigFiles)
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if err != nil {
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err = fmt.Errorf("getIncludeContents error: %v", err)
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return
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}
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configBuffer.WriteString("\n")
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configBuffer.Write(buf)
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// Parse all proxy and visitor configs.
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pxyCfgs, visitorCfgs, err = LoadAllProxyConfsFromIni(cfg.User, configBuffer.Bytes(), cfg.Start)
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if err != nil {
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return
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}
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return
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}
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// getIncludeContents renders all configs from paths.
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// files format can be a single file path or directory or regex path.
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func getIncludeContents(paths []string) ([]byte, error) {
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out := bytes.NewBuffer(nil)
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for _, path := range paths {
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absDir, err := filepath.Abs(filepath.Dir(path))
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if err != nil {
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return nil, err
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}
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if _, err := os.Stat(absDir); os.IsNotExist(err) {
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return nil, err
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}
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files, err := os.ReadDir(absDir)
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if err != nil {
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return nil, err
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}
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for _, fi := range files {
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if fi.IsDir() {
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continue
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}
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absFile := filepath.Join(absDir, fi.Name())
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if matched, _ := filepath.Match(filepath.Join(absDir, filepath.Base(path)), absFile); matched {
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tmpContent, err := GetRenderedConfFromFile(absFile)
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if err != nil {
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return nil, fmt.Errorf("render extra config %s error: %v", absFile, err)
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}
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out.Write(tmpContent)
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out.WriteString("\n")
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}
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}
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}
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return out.Bytes(), nil
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}
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