sftpgo/examples/OTP/authy/extauth/main.go
Nicola Murino ca3e15578e
Use new methods in the io and os packages instead of ioutil ones
ioutil is deprecated in Go 1.16 and SFTPGo is an application, not
a library, we have no reason to keep compatibility with old Go
versions.

Go 1.16 fix some cifs related issues too.
2021-02-25 21:53:04 +01:00

109 lines
2.5 KiB
Go

package main
import (
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"os"
"path/filepath"
"time"
)
type userMapping struct {
SFTPGoUsername string
AuthyID int64
AuthyAPIKey string
}
// we assume that the SFTPGo already exists, we only check the one time token.
// If you need to create the SFTPGo user more fields are needed here
type minimalSFTPGoUser struct {
Status int `json:"status,omitempty"`
Username string `json:"username"`
HomeDir string `json:"home_dir,omitempty"`
Permissions map[string][]string `json:"permissions"`
}
var (
mapping []userMapping
)
func init() {
// this is for demo only, you probably want to get this mapping dynamically, for example using a database query
mapping = append(mapping, userMapping{
SFTPGoUsername: "<SFTPGo username>",
AuthyID: 1234567,
AuthyAPIKey: "<your api key>",
})
}
func printResponse(username string) {
u := minimalSFTPGoUser{
Username: username,
Status: 1,
HomeDir: filepath.Join(os.TempDir(), username),
}
u.Permissions = make(map[string][]string)
u.Permissions["/"] = []string{"*"}
resp, _ := json.Marshal(u)
fmt.Printf("%v\n", string(resp))
if len(username) > 0 {
os.Exit(0)
} else {
os.Exit(1)
}
}
func main() {
// get credentials from env vars
username := os.Getenv("SFTPGO_AUTHD_USERNAME")
password := os.Getenv("SFTPGO_AUTHD_PASSWORD")
if len(password) == 0 {
// login method is not password
printResponse("")
return
}
for _, m := range mapping {
if m.SFTPGoUsername == username {
// mapping found we can now verify the token
url := fmt.Sprintf("https://api.authy.com/protected/json/verify/%v/%v", password, m.AuthyID)
req, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
log.Fatal(err)
}
req.Header.Set("X-Authy-API-Key", m.AuthyAPIKey)
httpClient := &http.Client{
Timeout: 10 * time.Second,
}
resp, err := httpClient.Do(req)
if err != nil {
printResponse("")
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
// status code 200 is expected
printResponse("")
}
var authyResponse map[string]interface{}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
printResponse("")
}
err = json.Unmarshal(respBody, &authyResponse)
if err != nil {
printResponse("")
}
if authyResponse["success"].(string) == "true" {
printResponse(username)
}
printResponse("")
break
}
}
// no mapping found
printResponse("")
}