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Code Releases Activity

Support SAML authentication (#25165)

Browse Source 
Closes https://github.com/go-gitea/gitea/issues/5512

This PR adds basic SAML support
- Adds SAML 2.0 as an auth source
- Adds SAML configuration documentation
- Adds integration test:
- Use bare-bones SAML IdP to test protocol flow and test account is
linked successfully (only runs on Postgres by default)
- Adds documentation for configuring and running SAML integration test
locally

Future PRs:
- Support group mapping
- Support auto-registration (account linking)

Co-Authored-By: @jackHay22

---------

Co-authored-by: jackHay22 <jack@allspice.io>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: Jason Song <i@wolfogre.com>
Co-authored-by: morphelinho <morphelinho@users.noreply.github.com>
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-authored-by: Yarden Shoham <git@yardenshoham.com>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: silverwind <me@silverwind.io>
This commit is contained in:
techknowlogick
2024-02-22 19:08:17 -05:00
committed by GitHub
parent c4b0cb4d0d
commit 5bb8d1924d
37 changed files with 1440 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
routers/web/auth/auth.go
View File

@@ -28,6 +28,7 @@ import (
"code.gitea.io/gitea/routers/utils"
auth_service "code.gitea.io/gitea/services/auth"
"code.gitea.io/gitea/services/auth/source/oauth2"
"code.gitea.io/gitea/services/auth/source/saml"
"code.gitea.io/gitea/services/externalaccount"
"code.gitea.io/gitea/services/forms"
"code.gitea.io/gitea/services/mailer"
@@ -170,6 +171,14 @@ func SignIn(ctx *context.Context) {
return
}
ctx.Data["OAuth2Providers"] = oauth2Providers
samlProviders, err := saml.GetSAMLProviders(ctx, util.OptionalBoolTrue)
if err != nil {
ctx.ServerError("UserSignIn", err)
return
}
ctx.Data["SAMLProviders"] = samlProviders
ctx.Data["Title"] = ctx.Tr("sign_in")
ctx.Data["SignInLink"] = setting.AppSubURL + "/user/login"
ctx.Data["PageIsSignIn"] = true
@@ -193,6 +202,14 @@ func SignInPost(ctx *context.Context) {
return
}
ctx.Data["OAuth2Providers"] = oauth2Providers
samlProviders, err := saml.GetSAMLProviders(ctx, util.OptionalBoolTrue)
if err != nil {
ctx.ServerError("UserSignIn", err)
return
}
ctx.Data["SAMLProviders"] = samlProviders
ctx.Data["Title"] = ctx.Tr("sign_in")
ctx.Data["SignInLink"] = setting.AppSubURL + "/user/login"
ctx.Data["PageIsSignIn"] = true
@@ -504,7 +521,7 @@ func SignUpPost(ctx *context.Context) {
Passwd: form.Password,
}
if !createAndHandleCreatedUser(ctx, tplSignUp, form, u, nil, nil, false) {
if !createAndHandleCreatedUser(ctx, tplSignUp, form, u, nil, nil, false, auth.NoType) {
// error already handled
return
}
@@ -515,16 +532,16 @@ func SignUpPost(ctx *context.Context) {
// createAndHandleCreatedUser calls createUserInContext and
// then handleUserCreated.
func createAndHandleCreatedUser(ctx *context.Context, tpl base.TplName, form any, u *user_model.User, overwrites *user_model.CreateUserOverwriteOptions, gothUser *goth.User, allowLink bool) bool {
if !createUserInContext(ctx, tpl, form, u, overwrites, gothUser, allowLink) {
func createAndHandleCreatedUser(ctx *context.Context, tpl base.TplName, form any, u *user_model.User, overwrites *user_model.CreateUserOverwriteOptions, gothUser *goth.User, allowLink bool, authType auth.Type) bool {
if !createUserInContext(ctx, tpl, form, u, overwrites, gothUser, allowLink, authType) {
return false
}
return handleUserCreated(ctx, u, gothUser)
return handleUserCreated(ctx, u, gothUser, authType)
}
// createUserInContext creates a user and handles errors within a given context.
// Optionally a template can be specified.
func createUserInContext(ctx *context.Context, tpl base.TplName, form any, u *user_model.User, overwrites *user_model.CreateUserOverwriteOptions, gothUser *goth.User, allowLink bool) (ok bool) {
func createUserInContext(ctx *context.Context, tpl base.TplName, form any, u *user_model.User, overwrites *user_model.CreateUserOverwriteOptions, gothUser *goth.User, allowLink bool, authType auth.Type) (ok bool) {
if err := user_model.CreateUser(ctx, u, overwrites); err != nil {
if allowLink && (user_model.IsErrUserAlreadyExist(err) || user_model.IsErrEmailAlreadyUsed(err)) {
if setting.OAuth2Client.AccountLinking == setting.OAuth2AccountLinkingAuto {
@@ -541,10 +558,10 @@ func createUserInContext(ctx *context.Context, tpl base.TplName, form any, u *us
}
// TODO: probably we should respect 'remember' user's choice...
linkAccount(ctx, user, *gothUser, true)
linkAccount(ctx, user, *gothUser, true, authType)
return false // user is already created here, all redirects are handled
} else if setting.OAuth2Client.AccountLinking == setting.OAuth2AccountLinkingLogin {
showLinkingLogin(ctx, *gothUser)
showLinkingLogin(ctx, *gothUser, authType)
return false // user will be created only after linking login
}
}
@@ -590,7 +607,7 @@ func createUserInContext(ctx *context.Context, tpl base.TplName, form any, u *us
// handleUserCreated does additional steps after a new user is created.
// It auto-sets admin for the only user, updates the optional external user and
// sends a confirmation email if required.
func handleUserCreated(ctx *context.Context, u *user_model.User, gothUser *goth.User) (ok bool) {
func handleUserCreated(ctx *context.Context, u *user_model.User, gothUser *goth.User, authType auth.Type) (ok bool) {
// Auto-set admin for the only user.
if user_model.CountUsers(ctx, nil) == 1 {
opts := &user_service.UpdateOptions{
@@ -606,7 +623,7 @@ func handleUserCreated(ctx *context.Context, u *user_model.User, gothUser *goth.
// update external user information
if gothUser != nil {
if err := externalaccount.UpdateExternalUser(ctx, u, *gothUser); err != nil {
if err := externalaccount.UpdateExternalUser(ctx, u, *gothUser, authType); err != nil {
if !errors.Is(err, util.ErrNotExist) {
log.Error("UpdateExternalUser failed: %v", err)
}