guichet/config.go

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/*
config handles reading the config.json file at the root and processing the settings
*/
package main
import (
"encoding/json"
"flag"
"io/ioutil"
"log"
"os"
)
type ConfigFile struct {
HttpBindAddr string `json:"http_bind_addr"`
LdapServerAddr string `json:"ldap_server_addr"`
LdapTLS bool `json:"ldap_tls"`
BaseDN string `json:"base_dn"`
UserBaseDN string `json:"user_base_dn"`
UserNameAttr string `json:"user_name_attr"`
GroupBaseDN string `json:"group_base_dn"`
GroupNameAttr string `json:"group_name_attr"`
MailingBaseDN string `json:"mailing_list_base_dn"`
MailingNameAttr string `json:"mailing_list_name_attr"`
MailingGuestsBaseDN string `json:"mailing_list_guest_user_base_dn"`
InvitationBaseDN string `json:"invitation_base_dn"`
InvitationNameAttr string `json:"invitation_name_attr"`
InvitedMailFormat string `json:"invited_mail_format"`
InvitedAutoGroups []string `json:"invited_auto_groups"`
WebAddress string `json:"web_address"`
MailFrom string `json:"mail_from"`
SMTPServer string `json:"smtp_server"`
SMTPUsername string `json:"smtp_username"`
SMTPPassword string `json:"smtp_password"`
AdminAccount string `json:"admin_account"`
GroupCanInvite string `json:"group_can_invite"`
GroupCanAdmin string `json:"group_can_admin"`
S3AdminEndpoint string `json:"s3_admin_endpoint"`
S3AdminToken string `json:"s3_admin_token"`
S3Endpoint string `json:"s3_endpoint"`
S3AccessKey string `json:"s3_access_key"`
S3SecretKey string `json:"s3_secret_key"`
S3Region string `json:"s3_region"`
S3Bucket string `json:"s3_bucket"`
Org string `json:"org"`
}
var configFlag = flag.String("config", "./config.json", "Configuration file path")
var config *ConfigFile
func readConfig() ConfigFile {
// Default configuration values for certain fields
config_file := ConfigFile{
HttpBindAddr: ":9991",
LdapServerAddr: "ldap://127.0.0.1:389",
UserNameAttr: "uid",
GroupNameAttr: "gid",
InvitationNameAttr: "cn",
InvitedAutoGroups: []string{},
Org: "ResDigita",
}
_, err := os.Stat(*configFlag)
if os.IsNotExist(err) {
log.Fatalf("Could not find Guichet configuration file at %s. Please create this file, for exemple starting with config.json.exemple and customizing it for your deployment.", *configFlag)
}
if err != nil {
log.Fatal(err)
}
bytes, err := ioutil.ReadFile(*configFlag)
if err != nil {
log.Fatal(err)
}
err = json.Unmarshal(bytes, &config_file)
if err != nil {
log.Fatal(err)
}
return config_file
}