Merge pull request #146 from pusher/no-infer-username
Do not infer username from email
This commit is contained in:
commit
908ac24257
@ -1,7 +1,16 @@
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# Vx.x.x (Pre-release)
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## Breaking Changes
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- [#146](https://github.com/pusher/oauth2_proxy/pull/146) Use full email address as `User` if the auth response did not contain a `User` field (@gargath)
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- This change modifies the contents of the `X-Forwarded-User` header supplied by the proxy for users where the auth response from the IdP did not contain
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a username.
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In that case, this header used to only contain the local part of the user's email address (e.g. `john.doe` for `john.doe@example.com`) but now contains
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the user's full email address instead.
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## Changes since v3.2.0
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- [#146](https://github.com/pusher/oauth2_proxy/pull/146) Use full email address as `User` if the auth response did not contain a `User` field (@gargath)
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- [#144](https://github.com/pusher/oauth2_proxy/pull/144) Use GO 1.12 for ARM builds (@kskewes)
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- [#142](https://github.com/pusher/oauth2_proxy/pull/142) ARM Docker USER fix (@kskewes)
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- [#52](https://github.com/pusher/oauth2_proxy/pull/52) Logging Improvements (@MisterWil)
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2
Makefile
2
Makefile
@ -75,7 +75,7 @@ docker-push-all: docker-push
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.PHONY: test
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test: dep lint
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$(GO) test -v -race $(go list ./... | grep -v /vendor/)
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$(GO) test -v -race ./...
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.PHONY: release
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release: lint test
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@ -291,8 +291,7 @@ func TestBasicAuthPassword(t *testing.T) {
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opts.Validate()
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providerURL, _ := url.Parse(providerServer.URL)
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const emailAddress = "michael.bland@gsa.gov"
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const username = "michael.bland"
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const emailAddress = "john.doe@example.com"
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opts.provider = NewTestProvider(providerURL, emailAddress)
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proxy := NewOAuthProxy(opts, func(email string) bool {
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@ -335,7 +334,9 @@ func TestBasicAuthPassword(t *testing.T) {
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rw = httptest.NewRecorder()
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proxy.ServeHTTP(rw, req)
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expectedHeader := "Basic " + base64.StdEncoding.EncodeToString([]byte(username+":"+opts.BasicAuthPassword))
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// The username in the basic auth credentials is expected to be equal to the email address from the
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// auth response, so we use the same variable here.
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expectedHeader := "Basic " + base64.StdEncoding.EncodeToString([]byte(emailAddress+":"+opts.BasicAuthPassword))
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assert.Equal(t, expectedHeader, rw.Body.String())
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providerServer.Close()
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}
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@ -654,13 +655,13 @@ func (p *ProcessCookieTest) LoadCookiedSession() (*providers.SessionState, time.
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func TestLoadCookiedSession(t *testing.T) {
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pcTest := NewProcessCookieTestWithDefaults()
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startSession := &providers.SessionState{Email: "michael.bland@gsa.gov", AccessToken: "my_access_token"}
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startSession := &providers.SessionState{Email: "john.doe@example.com", AccessToken: "my_access_token"}
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pcTest.SaveSession(startSession, time.Now())
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session, _, err := pcTest.LoadCookiedSession()
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assert.Equal(t, nil, err)
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assert.Equal(t, startSession.Email, session.Email)
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assert.Equal(t, "michael.bland", session.User)
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assert.Equal(t, "john.doe@example.com", session.User)
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assert.Equal(t, startSession.AccessToken, session.AccessToken)
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}
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@ -29,6 +29,12 @@ type GoogleProvider struct {
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GroupValidator func(string) bool
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}
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type claims struct {
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Subject string `json:"sub"`
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Email string `json:"email"`
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EmailVerified bool `json:"email_verified"`
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}
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// NewGoogleProvider initiates a new GoogleProvider
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func NewGoogleProvider(p *ProviderData) *GoogleProvider {
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p.ProviderName = "Google"
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@ -64,7 +70,7 @@ func NewGoogleProvider(p *ProviderData) *GoogleProvider {
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}
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}
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func emailFromIDToken(idToken string) (string, error) {
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func claimsFromIDToken(idToken string) (*claims, error) {
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// id_token is a base64 encode ID token payload
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// https://developers.google.com/accounts/docs/OAuth2Login#obtainuserinfo
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@ -72,24 +78,21 @@ func emailFromIDToken(idToken string) (string, error) {
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jwtData := strings.TrimSuffix(jwt[1], "=")
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b, err := base64.RawURLEncoding.DecodeString(jwtData)
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if err != nil {
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return "", err
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return nil, err
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}
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var email struct {
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Email string `json:"email"`
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EmailVerified bool `json:"email_verified"`
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}
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err = json.Unmarshal(b, &email)
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c := &claims{}
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err = json.Unmarshal(b, c)
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if err != nil {
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return "", err
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return nil, err
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}
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if email.Email == "" {
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return "", errors.New("missing email")
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if c.Email == "" {
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return nil, errors.New("missing email")
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}
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if !email.EmailVerified {
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return "", fmt.Errorf("email %s not listed as verified", email.Email)
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if !c.EmailVerified {
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return nil, fmt.Errorf("email %s not listed as verified", c.Email)
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}
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return email.Email, nil
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return c, nil
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}
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// Redeem exchanges the OAuth2 authentication token for an ID token
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@ -138,8 +141,7 @@ func (p *GoogleProvider) Redeem(redirectURL, code string) (s *SessionState, err
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if err != nil {
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return
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}
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var email string
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email, err = emailFromIDToken(jsonResponse.IDToken)
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c, err := claimsFromIDToken(jsonResponse.IDToken)
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if err != nil {
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return
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}
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@ -148,7 +150,8 @@ func (p *GoogleProvider) Redeem(redirectURL, code string) (s *SessionState, err
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IDToken: jsonResponse.IDToken,
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ExpiresOn: time.Now().Add(time.Duration(jsonResponse.ExpiresIn) * time.Second).Truncate(time.Second),
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RefreshToken: jsonResponse.RefreshToken,
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Email: email,
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Email: c.Email,
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User: c.Subject,
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}
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return
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}
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@ -128,6 +128,7 @@ func (p *OIDCProvider) createSessionState(ctx context.Context, token *oauth2.Tok
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RefreshToken: token.RefreshToken,
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ExpiresOn: token.Expiry,
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Email: claims.Email,
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User: claims.Subject,
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}, nil
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}
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@ -218,7 +218,7 @@ func DecodeSessionState(v string, c *cookie.Cipher) (*SessionState, error) {
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}
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}
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if ss.User == "" {
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ss.User = strings.Split(ss.Email, "@")[0]
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ss.User = ss.Email
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}
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return ss, nil
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}
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@ -30,7 +30,7 @@ func TestSessionStateSerialization(t *testing.T) {
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ss, err := DecodeSessionState(encoded, c)
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t.Logf("%#v", ss)
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assert.Equal(t, nil, err)
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assert.Equal(t, "user", ss.User)
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assert.Equal(t, "user@domain.com", ss.User)
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assert.Equal(t, s.Email, ss.Email)
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assert.Equal(t, s.AccessToken, ss.AccessToken)
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assert.Equal(t, s.IDToken, ss.IDToken)
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@ -41,7 +41,7 @@ func TestSessionStateSerialization(t *testing.T) {
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ss, err = DecodeSessionState(encoded, c2)
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t.Logf("%#v", ss)
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assert.Equal(t, nil, err)
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assert.NotEqual(t, "user", ss.User)
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assert.NotEqual(t, "user@domain.com", ss.User)
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assert.NotEqual(t, s.Email, ss.Email)
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assert.Equal(t, s.ExpiresOn.Unix(), ss.ExpiresOn.Unix())
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assert.NotEqual(t, s.AccessToken, ss.AccessToken)
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@ -97,7 +97,7 @@ func TestSessionStateSerializationNoCipher(t *testing.T) {
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// only email should have been serialized
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ss, err := DecodeSessionState(encoded, nil)
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assert.Equal(t, nil, err)
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assert.Equal(t, "user", ss.User)
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assert.Equal(t, "user@domain.com", ss.User)
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assert.Equal(t, s.Email, ss.Email)
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assert.Equal(t, "", ss.AccessToken)
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assert.Equal(t, "", ss.RefreshToken)
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@ -203,7 +203,7 @@ func TestDecodeSessionState(t *testing.T) {
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{
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SessionState: SessionState{
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Email: "user@domain.com",
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User: "user",
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User: "user@domain.com",
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},
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Encoded: `{"Email":"user@domain.com"}`,
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},
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