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52 lines
1009 B
52 lines
1009 B
package main
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"github.com/spf13/pflag"
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)
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type config struct {
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ListenAddr string `json:"listenAddr"`
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Ldap ldapConfig `json:"ldap"`
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}
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type ldapConfig struct {
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URL string `json:"url"`
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StartTLS bool `json:"starttls"`
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UserFormat string `json:"userformat"`
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}
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func parseConfig() (config, error) {
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configFile := "config.json"
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pflag.StringVarP(&configFile, "config", "c", configFile, "Path to configuration file.")
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pflag.Parse()
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var c config
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file, err := os.Open(configFile)
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if err != nil {
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return c, fmt.Errorf("can not open configuration file: %s", err)
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}
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if err := json.NewDecoder(file).Decode(&c); err != nil {
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return c, fmt.Errorf("can not parse configuration: %s", err)
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}
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if c.ListenAddr == "" {
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c.ListenAddr = ":8080"
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}
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if c.Ldap.URL == "" {
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return c, errors.New("ldap.url can not be empty")
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}
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if c.Ldap.UserFormat == "" {
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return c, errors.New("ldap.userformat can not be empty")
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}
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return c, nil
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}
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