amigan/blasphem
amigan/blasphem
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pre-model

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This commit is contained in:
Daniel 2022-12-18 09:55:08 -05:00
parent 3038750206
commit 9224b21db7
7 changed files with 117 additions and 66 deletions
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18
pkg/auth/authenticator.go
View file

@ -25,7 +25,7 @@ var (
type Authenticator struct {
store AuthStore
flows *AuthFlowManager
sessions AccessSessionStore
authCodes authCodeStore
providers map[string]provider.AuthProvider
}
@ -60,7 +60,7 @@ func (a *Authenticator) InitAuth(s storage.Store) error {
a.flows = NewAuthFlowManager()
a.sessions.init()
a.authCodes.init()
var err error
a.store, err = a.newAuthStore(s)
@ -91,24 +91,24 @@ func (a *Authenticator) ProvidersHandler(c echo.Context) error {
return c.JSON(http.StatusOK, providers)
}
func (a *Authenticator) Check(f *LoginFlow, req *http.Request, rm map[string]interface{}) (provider.ProviderUser, error) {
func (a *Authenticator) Check(f *LoginFlow, req *http.Request, rm map[string]interface{}) (user provider.ProviderUser, clientID string, err error) {
cID, hasCID := rm["client_id"]
cIDStr, cidIsStr := cID.(string)
if !hasCID || !cidIsStr || cIDStr == "" || cIDStr != string(f.ClientID) {
return nil, ErrInvalidAuth
clientID, cidIsStr := cID.(string)
if !hasCID || !cidIsStr || clientID == "" || clientID != string(f.ClientID) {
return nil, clientID, ErrInvalidAuth
}
p := a.Provider(f.Handler.String())
if p == nil {
return nil, ErrInvalidAuth
return nil, clientID, ErrInvalidAuth
}
user, success := p.ValidateCreds(req, rm)
if success {
log.Info().Interface("user", user.UserData()).Msg("Login success")
return user, nil
return user, clientID, nil
}
return nil, ErrInvalidAuth
return nil, clientID, ErrInvalidAuth
}

6
pkg/auth/flow.go
View file

@ -104,16 +104,18 @@ func (f *LoginFlow) progress(a *Authenticator, c echo.Context) error {
return c.JSON(http.StatusBadRequest, f.ShowForm([]string{err.Error()}))
}
user, err := a.Check(f, c.Request(), rm)
user, clientID, err := a.Check(f, c.Request(), rm)
switch err {
case nil:
creds := a.store.Credential(user)
finishedFlow := flow.Result{}
a.flows.Remove(f)
copier.Copy(&finishedFlow, f)
finishedFlow.Type = flow.TypeCreateEntry
finishedFlow.Title = common.AppNamePtr()
finishedFlow.Version = common.IntPtr(1)
finishedFlow.Result = a.NewAccessToken(c.Request(), user)
finishedFlow.Result = a.NewAuthCode(ClientID(clientID), creds)
f.redirect(c)

30
pkg/auth/provider/provider.go
View file

@ -24,9 +24,39 @@ func Register(providerName string, f func(storage.Store) (AuthProvider, error))
Providers[providerName] = f
}
type Credentials struct {
ID CredID `json:"id"`
UserID UserID `json:"user_id"`
AuthProviderType string `json:"auth_provider_type"`
AuthProviderID *string `json:"auth_provider_id"`
DataRaw *json.RawMessage `json:"data,omitempty"`
user ProviderUser `json:"-"`
}
func (cred *Credentials) MarshalJSON() ([]byte, error) {
type CredAlias Credentials // alias so ø method set and we don't recurse
nCd := (*CredAlias)(cred)
if cred.user != nil {
providerData := cred.user.UserData()
if providerData != nil {
b, err := json.Marshal(providerData)
if err != nil {
return nil, err
}
dr := json.RawMessage(b)
nCd.DataRaw = &dr
}
}
return json.Marshal(nCd)
}
type ProviderUser interface {
// TODO: make sure this is sane with all the ProviderUser and UserData type stuff
UserData() ProviderUser
Credentials() *Credentials
}
type AuthProviderBase struct {

103
pkg/auth/session.go
View file

@ -10,6 +10,8 @@ import (
"dynatron.me/x/blasphem/internal/common"
"dynatron.me/x/blasphem/internal/generate"
"dynatron.me/x/blasphem/pkg/auth/provider"
"github.com/rs/zerolog/log"
)
type (
@ -38,62 +40,78 @@ func (rt *RefreshToken) IsValid() bool {
return rt.JWTKey != ""
}
type AccessSessionStore struct {
s map[AccessTokenID]*AccessToken
type authCodeStore struct {
s map[authCodeTuple]flowResult
lastCull time.Time
}
type AccessTokenID string
type authCodeTuple struct {
ClientID ClientID
Code AuthCode
}
func (t *AccessTokenID) IsValid() bool {
func (t *authCodeTuple) IsValid() bool {
// TODO: more validation than this
return *t != ""
return t.Code != ""
}
type AccessToken struct { // TODO: jwt bro
ID AccessTokenID
Ctime time.Time
Expires time.Time
Addr string
user provider.ProviderUser `json:"-"`
type flowResult struct {
Time time.Time
Cred *Credentials
// TODO: remove this comment below \/
//user provider.ProviderUser `json:"-"`
}
func (ss *AccessSessionStore) init() {
ss.s = make(map[AccessTokenID]*AccessToken)
// OAuth 4.2.1 spec recommends 10 minutes
const authCodeExpire = 10 * time.Minute
func (f *flowResult) IsValid(now time.Time) bool {
if now.After(f.Time.Add(authCodeExpire)) {
return false
}
return true
}
func (ss *authCodeStore) init() {
ss.s = make(map[authCodeTuple]flowResult)
}
const cullInterval = 5 * time.Minute
func (ss *AccessSessionStore) cull() {
func (ss *authCodeStore) cull() {
if now := time.Now(); now.Sub(ss.lastCull) > cullInterval {
for k, v := range ss.s {
if now.After(v.Expires) {
if !v.IsValid(now) {
delete(ss.s, k)
}
}
}
}
func (ss *AccessSessionStore) register(t *AccessToken) {
func (ss *authCodeStore) store(clientID ClientID, cred *Credentials) string {
log.Info().Msgf("store cred is %+v", cred)
ss.cull()
ss.s[t.ID] = t
code := generate.UUID()
ss.s[authCodeTuple{clientID, AuthCode(code)}] = flowResult{Time: time.Now(), Cred: cred}
return code
}
func (ss *AccessSessionStore) verify(tr *TokenRequest, r *http.Request) (provider.ProviderUser, bool) {
if t, hasToken := ss.s[tr.Code]; hasToken {
func (ss *authCodeStore) verify(tr *TokenRequest, r *http.Request) (*Credentials, bool) {
key := authCodeTuple{tr.ClientID, tr.Code}
if t, hasCode := ss.s[key]; hasCode {
defer delete(ss.s, key)
// TODO: JWT
if t.Expires.After(time.Now()) {
return t.user, true
} else {
delete(ss.s, t.ID)
if t.IsValid(time.Now()) {
return t.Cred, true
}
}
return nil, false
}
type Credential struct {
type Credentials struct {
ID CredID `json:"id"`
UserID UserID `json:"user_id"`
AuthProviderType string `json:"auth_provider_type"`
@ -102,8 +120,8 @@ type Credential struct {
user provider.ProviderUser `json:"-"`
}
func (cred *Credential) MarshalJSON() ([]byte, error) {
type CredAlias Credential // alias so ø method set and we don't recurse
func (cred *Credentials) MarshalJSON() ([]byte, error) {
type CredAlias Credentials // alias so ø method set and we don't recurse
nCd := (*CredAlias)(cred)
if cred.user != nil {
@ -122,35 +140,19 @@ func (cred *Credential) MarshalJSON() ([]byte, error) {
return json.Marshal(nCd)
}
func (a *Authenticator) verifyAndGetCredential(tr *TokenRequest, r *http.Request) *Credential {
user, success := a.sessions.verify(tr, r)
func (a *Authenticator) verifyAndGetCredential(tr *TokenRequest, r *http.Request) *Credentials {
cred, success := a.authCodes.verify(tr, r)
if !success {
return nil
}
cred := a.store.Credential(user)
return cred
}
const defaultExpiration = 15 * time.Minute
func (a *Authenticator) NewAccessToken(r *http.Request, user provider.ProviderUser) AccessTokenID {
id := AccessTokenID(generate.UUID())
now := time.Now()
t := &AccessToken{
ID: id,
Ctime: now,
Expires: now.Add(defaultExpiration),
Addr: r.RemoteAddr,
user: user,
}
a.sessions.register(t)
return id
func (a *Authenticator) NewAuthCode(clientID ClientID, cred *Credentials) string {
return a.authCodes.store(clientID, cred)
}
type GrantType string
@ -167,9 +169,14 @@ func (c *ClientID) IsValid() bool {
return *c != ""
}
type AuthCode string
func (ac *AuthCode) IsValid() bool {
return *ac != ""
}
type TokenRequest struct {
ClientID ClientID `form:"client_id"`
Code AccessTokenID `form:"code"`
Code AuthCode `form:"code"`
GrantType GrantType `form:"grant_type"`
}

20
pkg/auth/store.go
View file

@ -6,6 +6,8 @@ import (
"dynatron.me/x/blasphem/pkg/auth/provider"
"dynatron.me/x/blasphem/pkg/storage"
"github.com/rs/zerolog/log"
)
const (
@ -14,20 +16,20 @@ const (
type AuthStore interface {
User(UserID) *User
Credential(provider.ProviderUser) *Credential
Credential(provider.ProviderUser) *Credentials
}
type authStore struct {
Users []User `json:"users"`
Groups []Group `json:"groups"`
Credentials []Credential `json:"credentials"`
Credentials []Credentials `json:"credentials"`
Refresh []RefreshToken `json:"refresh_tokens"`
userMap map[UserID]*User
providerUsers map[provider.ProviderUser]*Credential
providerUsers map[provider.ProviderUser]*Credentials
}
func (as *authStore) Credential(p provider.ProviderUser) *Credential {
func (as *authStore) Credential(p provider.ProviderUser) *Credentials {
c, have := as.providerUsers[p]
if !have {
return nil
@ -41,7 +43,7 @@ func (a *Authenticator) newAuthStore(s storage.Store) (as *authStore, err error)
err = s.Get(AuthStoreKey, as)
as.userMap = make(map[UserID]*User)
as.providerUsers = make(map[provider.ProviderUser]*Credential)
as.providerUsers = make(map[provider.ProviderUser]*Credentials)
for _, u := range as.Users {
as.userMap[u.ID] = &u
@ -67,6 +69,14 @@ func (a *Authenticator) newAuthStore(s storage.Store) (as *authStore, err error)
}
as.providerUsers[c.user] = &c
}
u, hasUser := as.userMap[c.UserID]
if !hasUser {
log.Error().Str("userid", string(c.UserID)).Msg("no such userid in map")
continue
}
u.Creds = append(u.Creds, c)
}
// remove invalid RefreshTokens

4
pkg/auth/user.go
View file

@ -18,6 +18,8 @@ type User struct {
GroupIDs []GroupID `json:"group_ids"`
Data interface{} `json:"data,omitempty"`
UserMetadata
Creds []Credentials `json:"-"`
}
type UserMetadata struct {
@ -36,7 +38,7 @@ func (u *User) allowedToAuth() error {
return nil
}
func (a *Authenticator) getOrCreateUser(c *Credential) (*User, error) {
func (a *Authenticator) getOrCreateUser(c *Credentials) (*User, error) {
log.Debug().Interface("userdata", c).Msg("getOrCreateUser")
u := a.store.User(c.UserID)
if u == nil {

2
pkg/flow/flow.go
View file

@ -181,7 +181,7 @@ func (fs *FlowManager) Remove(f Handler) {
delete(fs.flows, f.FlowID())
}
const cullAge = time.Minute * 30
const cullAge = time.Minute * 10
func (fs FlowStore) cull() {
for k, v := range fs {