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// Contains the model of the application data
package users
import (
"crypto/rand"
"errors"
"github.com/duo-labs/webauthn/protocol"
"github.com/duo-labs/webauthn/webauthn"
"github.com/go-pg/pg/v9/orm"
"golang.org/x/crypto/argon2"
"strconv"
"strings"
)
type User struct {
Id int64 `pg:",pk,unique"`
Email string `pg:",unique"`
Nick string
Name string
Password Argon2Parameters
ForcePasswordChange bool
Role string
TOTPSecret string
TOTPQRCode string
IsUsingTOTP bool
WebauthnCredentials []webauthn.Credential
WebauthnCredentialNames []*WebauthnCredentialName
IsUsingWebAuthn bool
Show2FANotice bool
Permissions Permissions
Badge Badge
ForcePasswordRotation bool
Force2FA bool
Disabled bool
}
type Argon2Parameters struct {
Type string
Salt []byte
Time uint32
Memory uint32
Threads uint8
KeyLen uint32
Hash []byte
}
func (a *Argon2Parameters) GenerateSalt(n uint32) error {
b := make([]byte, n)
_, err := rand.Read(b)
if err != nil {
return err
}
a.Salt = b
return nil
}
func (a *Argon2Parameters) GeneratePassword(password string) error {
if a.Salt == nil || a.Time == 0 || a.Memory == 0 || a.Threads == 0 || a.KeyLen == 0 {
return errors.New("Invalid parameters")
}
a.Hash = argon2.IDKey([]byte(password), a.Salt, a.Time, a.Memory, a.Threads, a.KeyLen)
return nil
}
func (u *User) UpdatePassword(password string) error {
err := u.Password.GeneratePassword(password)
if err != nil {
return err
}
return nil
}
func (u *User) CheckPassword(password string) bool {
return string(u.Password.Hash) == string(argon2.IDKey(
[]byte(password),
u.Password.Salt,
u.Password.Time,
u.Password.Memory,
u.Password.Threads,
u.Password.KeyLen))
}
type Permissions struct {
Glsa GlsaPermissions
CVETool CVEToolPermissions
Admin AdminPermissions
}
type GlsaPermissions struct {
View bool
UpdateBugs bool
Comment bool
Create bool
Edit bool
Approve bool
ApproveOwnGlsa bool
Decline bool
Delete bool
Release bool
Confidential bool
}
type CVEToolPermissions struct {
View bool
UpdateCVEs bool
Comment bool
AddPackage bool
ChangeState bool
AssignBug bool
CreateBug bool
}
type AdminPermissions struct {
View bool
CreateTemplates bool
ManageUsers bool
GlobalSettings bool
}
type WebauthnCredentialName struct {
Id []byte
Name string
}
type Badge struct {
Name string `pg:",pk"`
Description string
Color string
}
func (u User) IsUsing2FA() bool {
return u.IsUsingTOTP || u.IsUsingWebAuthn
}
// WebAuthnID returns the user's ID
func (u User) WebAuthnID() []byte {
return []byte(strconv.FormatInt(u.Id, 10))
}
// WebAuthnName returns the user's username
func (u User) WebAuthnName() string {
return strings.TrimRight(u.Nick, "@")
}
// WebAuthnDisplayName returns the user's display name
func (u User) WebAuthnDisplayName() string {
return strings.TrimRight(u.Nick, "@")
}
// WebAuthnIcon is not (yet) implemented
func (u User) WebAuthnIcon() string {
return ""
}
// WebAuthnCredentials returns credentials owned by the user
func (u User) WebAuthnCredentials() []webauthn.Credential {
return u.WebauthnCredentials
}
// CredentialExcludeList returns a CredentialDescriptor array filled
// with all the user's credentials
func (u User) CredentialExcludeList() []protocol.CredentialDescriptor {
credentialExcludeList := []protocol.CredentialDescriptor{}
for _, cred := range u.WebauthnCredentials {
descriptor := protocol.CredentialDescriptor{
Type: protocol.PublicKeyCredentialType,
CredentialID: cred.ID,
}
credentialExcludeList = append(credentialExcludeList, descriptor)
}
return credentialExcludeList
}
// AddCredential associates the credential to the user
func (u *User) AddCredential(cred webauthn.Credential, credentialName string) {
u.WebauthnCredentials = append(u.WebauthnCredentials, cred)
webauthnCredentialName := &WebauthnCredentialName{
Id: cred.ID,
Name: credentialName,
}
u.WebauthnCredentialNames = append(u.WebauthnCredentialNames, webauthnCredentialName)
}
func (u *User) CanEditCVEs() bool {
return u.Role == "admin" || u.Role == "editor"
}
func (u *User) Confidential() string {
confidential := "public"
if u.Permissions.Glsa.Confidential {
confidential = "confidential"
}
return confidential
}
func (u *User) CanAccess(query *orm.Query) *orm.Query {
return query.WhereGroup(func(q *orm.Query) (*orm.Query, error) {
q = q.WhereOr("permission = ?", "public").
WhereOr("permission = ?", u.Confidential())
return q, nil
})
}
|
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