forked from tslocum/twins
84 lines
1.6 KiB
Go
84 lines
1.6 KiB
Go
package main
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import (
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"errors"
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"io/ioutil"
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"log"
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"os"
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"regexp"
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"github.com/kballard/go-shellquote"
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"gopkg.in/yaml.v3"
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)
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type serveConfig struct {
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// Path to match
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Path string
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// Resource to serve
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Root string
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Proxy string
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Command string
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r *regexp.Regexp
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cmd []string
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}
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type serverConfig struct {
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Cert string
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Key string
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Hostname string
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Port int
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Serve []*serveConfig
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}
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var config = &serverConfig{
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Hostname: "localhost",
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Port: 1965,
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}
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func readconfig(configPath string) error {
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if configPath == "" {
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return errors.New("file unspecified")
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}
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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return errors.New("file not found")
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}
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configData, err := ioutil.ReadFile(configPath)
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if err != nil {
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return err
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}
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err = yaml.Unmarshal(configData, &config)
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if err != nil {
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return err
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}
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for _, serve := range config.Serve {
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if serve.Path == "" {
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log.Fatal("path must be specified in serve entry")
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} else if (serve.Root != "" && (serve.Proxy != "" || serve.Command != "")) ||
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(serve.Proxy != "" && (serve.Root != "" || serve.Command != "")) ||
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(serve.Command != "" && (serve.Root != "" || serve.Proxy != "")) {
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log.Fatal("only one root, reverse proxy or command may specified in a serve entry")
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}
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if serve.Path[0] == '^' {
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serve.r = regexp.MustCompile(serve.Path)
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} else if serve.Path[len(serve.Path)-1] == '/' {
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serve.Path = serve.Path[:len(serve.Path)-1]
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}
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if serve.Command != "" {
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serve.cmd, err = shellquote.Split(serve.Command)
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if err != nil {
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log.Fatalf("failed to parse command %s: %s", serve.cmd, err)
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}
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}
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}
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return nil
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}
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