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IndieAuth #25

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h4kor merged 19 commits from auth into master 2022-11-07 19:38:21 +00:00
Conversation 0 Commits 19 Files Changed 26 +54 -29
5 changed files with 54 additions and 29 deletions
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Showing only changes of commit 9389cc0266 - Show all commits

18
cmd/owl/web/auth_test.go
View File

@ -75,7 +75,7 @@ func TestAuthPostCorrectPassword(t *testing.T) {
func TestAuthPostWithIncorrectCode(t *testing.T) {
repo, user := getSingleUserTestRepo()
user.ResetPassword("testpassword")
user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "")
user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "", "profile")
// Create Request and Response
form := url.Values{}
@ -97,7 +97,7 @@ func TestAuthPostWithIncorrectCode(t *testing.T) {
func TestAuthPostWithCorrectCode(t *testing.T) {
repo, user := getSingleUserTestRepo()
user.ResetPassword("testpassword")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "", "profile")
// Create Request and Response
form := url.Values{}
@ -135,7 +135,7 @@ func TestAuthPostWithCorrectCodeAndPKCE(t *testing.T) {
h := sha256.New()
h.Write([]byte(code_verifier))
code_challenge := base64.RawURLEncoding.EncodeToString(h.Sum(nil))
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "S256")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "S256", "profile")
form := url.Values{}
form.Add("code", code)
@ -173,7 +173,7 @@ func TestAuthPostWithCorrectCodeAndWrongPKCE(t *testing.T) {
h := sha256.New()
h.Write([]byte(code_verifier + "wrong"))
code_challenge := base64.RawURLEncoding.EncodeToString(h.Sum(nil))
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "S256")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "S256", "profile")
form := url.Values{}
form.Add("code", code)
@ -200,7 +200,7 @@ func TestAuthPostWithCorrectCodePKCEPlain(t *testing.T) {
// Create Request and Response
code_verifier := "test_code_verifier"
code_challenge := code_verifier
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "plain")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "plain", "profile")
form := url.Values{}
form.Add("code", code)
@ -227,7 +227,7 @@ func TestAuthPostWithCorrectCodePKCEPlainWrong(t *testing.T) {
// Create Request and Response
code_verifier := "test_code_verifier"
code_challenge := code_verifier + "wrong"
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "plain")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", code_challenge, "plain", "profile")
form := url.Values{}
form.Add("code", code)
@ -343,7 +343,7 @@ func TestAuthRedirectUriSameHost(t *testing.T) {
func TestAccessTokenCorrectPassword(t *testing.T) {
repo, user := getSingleUserTestRepo()
user.ResetPassword("testpassword")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "")
code, _ := user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "", "profile create")
// Create Request and Response
form := url.Values{}
@ -367,11 +367,13 @@ func TestAccessTokenCorrectPassword(t *testing.T) {
AccessToken string `json:"access_token"`
ExpiresIn int `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
Scope string `json:"scope"`
}
var response responseType
json.Unmarshal(rr.Body.Bytes(), &response)
assertions.AssertEqual(t, response.Me, user.FullUrl())
assertions.AssertEqual(t, response.TokenType, "Bearer")
assertions.AssertEqual(t, response.Scope, "profile create")
assertions.Assert(t, response.ExpiresIn > 0, "ExpiresIn should be greater than 0")
assertions.Assert(t, len(response.AccessToken) > 0, "AccessToken should be greater than 0")
}
@ -379,7 +381,7 @@ func TestAccessTokenCorrectPassword(t *testing.T) {
func TestAccessTokenWithIncorrectCode(t *testing.T) {
repo, user := getSingleUserTestRepo()
user.ResetPassword("testpassword")
user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "")
user.GenerateAuthCode("http://example.com", "http://example.com/response", "", "", "profile")
// Create Request and Response
form := url.Values{}

30
cmd/owl/web/handler.go
View File

@ -76,6 +76,7 @@ func userAuthHandler(repo *owl.Repository) func(http.ResponseWriter, *http.Reque
responseType := r.URL.Query().Get("response_type")
codeChallenge := r.URL.Query().Get("code_challenge")
codeChallengeMethod := r.URL.Query().Get("code_challenge_method")
scope := r.URL.Query().Get("scope")
// check if request is valid
missing_params := []string{}
@ -152,6 +153,7 @@ func userAuthHandler(repo *owl.Repository) func(http.ResponseWriter, *http.Reque
ClientId: clientId,
RedirectUri: redirectUri,
State: state,
Scope: scope,
ResponseType: responseType,
CodeChallenge: codeChallenge,
CodeChallengeMethod: codeChallengeMethod,
@ -171,14 +173,14 @@ func userAuthHandler(repo *owl.Repository) func(http.ResponseWriter, *http.Reque
}
}
func verifyAuthCodeRequest(user owl.User, w http.ResponseWriter, r *http.Request) bool {
func verifyAuthCodeRequest(user owl.User, w http.ResponseWriter, r *http.Request) (bool, owl.AuthCode) {
// get form data from post request
err := r.ParseForm()
if err != nil {
println("Error parsing form: ", err.Error())
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("Error parsing form"))
return false
return false, owl.AuthCode{}
}
code := r.Form.Get("code")
client_id := r.Form.Get("client_id")
@ -186,13 +188,12 @@ func verifyAuthCodeRequest(user owl.User, w http.ResponseWriter, r *http.Request
code_verifier := r.Form.Get("code_verifier")
// check if request is valid
valid := user.VerifyAuthCode(code, client_id, redirect_uri, code_verifier)
valid, authCode := user.VerifyAuthCode(code, client_id, redirect_uri, code_verifier)
if !valid {
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte("Invalid code"))
return false
}
return true
return valid, authCode
}
func userAuthProfileHandler(repo *owl.Repository) func(http.ResponseWriter, *http.Request, httprouter.Params) {
@ -204,7 +205,8 @@ func userAuthProfileHandler(repo *owl.Repository) func(http.ResponseWriter, *htt
return
}
if verifyAuthCodeRequest(user, w, r) {
valid, _ := verifyAuthCodeRequest(user, w, r)
if valid {
w.WriteHeader(http.StatusOK)
type ResponseProfile struct {
Name string `json:"name"`
@ -244,15 +246,23 @@ func userAuthTokenHandler(repo *owl.Repository) func(http.ResponseWriter, *http.
return
}
if verifyAuthCodeRequest(user, w, r) {
valid, authCode := verifyAuthCodeRequest(user, w, r)
if valid {
if authCode.Scope == "" {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("Empty scope, no token issued"))
return
}
type Response struct {
Me string `json:"me"`
TokenType string `json:"token_type"`
AccessToken string `json:"access_token"`
Scope string `json:"scope"`
ExpiresIn int `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
}
accessToken, duration, err := user.GenerateAccessToken()
accessToken, duration, err := user.GenerateAccessToken(authCode)
if err != nil {
println("Error generating access token: ", err.Error())
w.WriteHeader(http.StatusInternalServerError)
@ -263,6 +273,7 @@ func userAuthTokenHandler(repo *owl.Repository) func(http.ResponseWriter, *http.
Me: user.FullUrl(),
TokenType: "Bearer",
AccessToken: accessToken,
Scope: authCode.Scope,
ExpiresIn: duration,
}
jsonData, err := json.Marshal(response)
@ -301,6 +312,7 @@ func userAuthVerifyHandler(repo *owl.Repository) func(http.ResponseWriter, *http
state := r.FormValue("state")
code_challenge := r.FormValue("code_challenge")
code_challenge_method := r.FormValue("code_challenge_method")
scope := r.FormValue("scope")
// CSRF check
formCsrfToken := r.FormValue("csrf_token")
@ -336,7 +348,7 @@ func userAuthVerifyHandler(repo *owl.Repository) func(http.ResponseWriter, *http
} else {
// password is valid, generate code
code, err := user.GenerateAuthCode(
client_id, redirect_uri, code_challenge, code_challenge_method)
client_id, redirect_uri, code_challenge, code_challenge_method, scope)
if err != nil {
println("Error generating code: ", err.Error())
w.WriteHeader(http.StatusInternalServerError)

1
embed/auth.html
View File

@ -10,5 +10,6 @@
<input type="hidden" name="csrf_token" value="{{.CsrfToken}}">
<input type="hidden" name="code_challenge" value="{{.CodeChallenge}}">
<input type="hidden" name="code_challenge_method" value="{{.CodeChallengeMethod}}">
<input type="hidden" name="scope" value="{{.Scope}}">
<input type="submit" value="Login">
</form>

1
renderer.go
View File

@ -25,6 +25,7 @@ type AuthRequestData struct {
ClientId string
RedirectUri string
State string
Scope string
ResponseType string
CodeChallenge string
CodeChallengeMethod string

21
user.go
View File

@ -39,11 +39,15 @@ type AuthCode struct {
RedirectUri string `yaml:"redirect_uri"`
CodeChallenge string `yaml:"code_challenge"`
CodeChallengeMethod string `yaml:"code_challenge_method"`
Scope string `yaml:"scope"`
Created time.Time `yaml:"created"`
}
type AccessToken struct {
Token string `yaml:"token"`
Scope string `yaml:"scope"`
ClientId string `yaml:"client_id"`
RedirectUri string `yaml:"redirect_uri"`
Created time.Time `yaml:"created"`
ExpiresIn int `yaml:"expires_in"`
}
@ -306,6 +310,7 @@ func (user User) addAuthCode(code AuthCode) error {
func (user User) GenerateAuthCode(
client_id string, redirect_uri string,
code_challenge string, code_challenge_method string,
scope string,
) (string, error) {
// generate code
code := GenerateRandomString(32)
@ -315,28 +320,29 @@ func (user User) GenerateAuthCode(
RedirectUri: redirect_uri,
CodeChallenge: code_challenge,
CodeChallengeMethod: code_challenge_method,
Scope: scope,
Created: time.Now(),
})
}
func (user User) VerifyAuthCode(
code string, client_id string, redirect_uri string, code_verifier string,
) bool {
) (bool, AuthCode) {
codes := user.getAuthCodes()
for _, c := range codes {
if c.Code == code && c.ClientId == client_id && c.RedirectUri == redirect_uri {
if c.CodeChallengeMethod == "plain" {
return c.CodeChallenge == code_verifier
return c.CodeChallenge == code_verifier, c
} else if c.CodeChallengeMethod == "S256" {
// hash code_verifier
hash := sha256.Sum256([]byte(code_verifier))
return c.CodeChallenge == base64.RawURLEncoding.EncodeToString(hash[:])
return c.CodeChallenge == base64.RawURLEncoding.EncodeToString(hash[:]), c
} else if c.CodeChallengeMethod == "" {
return true
return true, c
}
}
}
return false
return false, AuthCode{}
}
func (user User) getAccessTokens() []AccessToken {
@ -351,12 +357,15 @@ func (user User) addAccessToken(code AccessToken) error {
return saveToYaml(user.AccessTokensFile(), codes)
}
func (user User) GenerateAccessToken() (string, int, error) {
func (user User) GenerateAccessToken(authCode AuthCode) (string, int, error) {
// generate code
token := GenerateRandomString(32)
duration := 24 * 60 * 60
return token, duration, user.addAccessToken(AccessToken{
Token: token,
ClientId: authCode.ClientId,
RedirectUri: authCode.RedirectUri,
Scope: authCode.Scope,
ExpiresIn: duration,
Created: time.Now(),
})