114 lines
2.8 KiB
Go
114 lines
2.8 KiB
Go
package authentication
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"sync"
|
|
|
|
"github.com/asaskevich/govalidator"
|
|
|
|
"gopkg.in/yaml.v2"
|
|
)
|
|
|
|
// FileUserProvider is a provider reading details from a file.
|
|
type FileUserProvider struct {
|
|
path *string
|
|
database *DatabaseModel
|
|
lock *sync.Mutex
|
|
}
|
|
|
|
// UserDetailsModel is the model of user details in the file database.
|
|
type UserDetailsModel struct {
|
|
HashedPassword string `yaml:"password" valid:"required"`
|
|
Email string `yaml:"email"`
|
|
Groups []string `yaml:"groups"`
|
|
}
|
|
|
|
// DatabaseModel is the model of users file database.
|
|
type DatabaseModel struct {
|
|
Users map[string]UserDetailsModel `yaml:"users" valid:"required"`
|
|
}
|
|
|
|
// NewFileUserProvider creates a new instance of FileUserProvider.
|
|
func NewFileUserProvider(filepath string) *FileUserProvider {
|
|
database, err := readDatabase(filepath)
|
|
if err != nil {
|
|
// Panic since the file does not exist when Authelia is starting.
|
|
panic(err)
|
|
}
|
|
return &FileUserProvider{
|
|
path: &filepath,
|
|
database: database,
|
|
lock: &sync.Mutex{},
|
|
}
|
|
}
|
|
|
|
func readDatabase(path string) (*DatabaseModel, error) {
|
|
content, err := ioutil.ReadFile(path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
db := DatabaseModel{}
|
|
err = yaml.Unmarshal(content, &db)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ok, err := govalidator.ValidateStruct(db)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !ok {
|
|
return nil, fmt.Errorf("The database format is invalid: %s", err.Error())
|
|
}
|
|
return &db, nil
|
|
}
|
|
|
|
// CheckUserPassword checks if provided password matches for the given user.
|
|
func (p *FileUserProvider) CheckUserPassword(username string, password string) (bool, error) {
|
|
if details, ok := p.database.Users[username]; ok {
|
|
hashedPassword := details.HashedPassword[7:] // Remove {CRYPT}
|
|
ok, err := CheckPassword(password, hashedPassword)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return ok, nil
|
|
}
|
|
return false, fmt.Errorf("User '%s' does not exist in database", username)
|
|
}
|
|
|
|
// GetDetails retrieve the groups a user belongs to.
|
|
func (p *FileUserProvider) GetDetails(username string) (*UserDetails, error) {
|
|
if details, ok := p.database.Users[username]; ok {
|
|
return &UserDetails{
|
|
Groups: details.Groups,
|
|
Emails: []string{details.Email},
|
|
}, nil
|
|
}
|
|
return nil, fmt.Errorf("User '%s' does not exist in database", username)
|
|
}
|
|
|
|
// UpdatePassword update the password of the given user.
|
|
func (p *FileUserProvider) UpdatePassword(username string, newPassword string) error {
|
|
details, ok := p.database.Users[username]
|
|
if !ok {
|
|
return fmt.Errorf("User '%s' does not exist in database", username)
|
|
}
|
|
|
|
hash := HashPassword(newPassword, nil)
|
|
details.HashedPassword = fmt.Sprintf("{CRYPT}%s", hash)
|
|
|
|
p.lock.Lock()
|
|
p.database.Users[username] = details
|
|
|
|
b, err := yaml.Marshal(p.database)
|
|
if err != nil {
|
|
p.lock.Unlock()
|
|
return err
|
|
}
|
|
err = ioutil.WriteFile(*p.path, b, 0644)
|
|
p.lock.Unlock()
|
|
return err
|
|
}
|