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Support wildcard in email domain allow/block list (#24831)

Browse source 
Replace #20257 (which is stale and incomplete)

Close #20255

Major changes:

* Deprecate the "WHITELIST", use "ALLOWLIST"
* Add wildcard support for EMAIL_DOMAIN_ALLOWLIST/EMAIL_DOMAIN_BLOCKLIST
* Update example config file and document
* Improve tests
This commit is contained in:
wxiaoguang 2023-05-22 08:05:44 +08:00 committed by GitHub
parent 19993d8814
commit 2cb66fff60
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 118 additions and 34 deletions
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8
custom/conf/app.example.ini
View file

@ -700,11 +700,11 @@ LEVEL = Info
;; Whether a new user needs to be confirmed manually after registration. (Requires `REGISTER_EMAIL_CONFIRM` to be disabled.)
;REGISTER_MANUAL_CONFIRM = false
;;
;; List of domain names that are allowed to be used to register on a Gitea instance
;; gitea.io,example.com
;EMAIL_DOMAIN_WHITELIST =
;; List of domain names that are allowed to be used to register on a Gitea instance, wildcard is supported
;; eg: gitea.io,example.com,*.mydomain.com
;EMAIL_DOMAIN_ALLOWLIST =
;;
;; Comma-separated list of domain names that are not allowed to be used to register on a Gitea instance
;; Comma-separated list of domain names that are not allowed to be used to register on a Gitea instance, wildcard is supported
;EMAIL_DOMAIN_BLOCKLIST =
;;
;; Disallow registration, only allow admins to create accounts.

5
docs/content/doc/administration/config-cheat-sheet.en-us.md
View file

@ -651,9 +651,8 @@ And the following unique queues:
- `ENABLE_TIMETRACKING`: **true**: Enable Timetracking feature.
- `DEFAULT_ENABLE_TIMETRACKING`: **true**: Allow repositories to use timetracking by default.
- `DEFAULT_ALLOW_ONLY_CONTRIBUTORS_TO_TRACK_TIME`: **true**: Only allow users with write permissions to track time.
- `EMAIL_DOMAIN_WHITELIST`: **\<empty\>**: If non-empty, list of domain names that can only be used to register
on this instance.
- `EMAIL_DOMAIN_BLOCKLIST`: **\<empty\>**: If non-empty, list of domain names that cannot be used to register on this instance
- `EMAIL_DOMAIN_ALLOWLIST`: **\<empty\>**: If non-empty, comma separated list of domain names that can only be used to register on this instance, wildcard is supported.
- `EMAIL_DOMAIN_BLOCKLIST`: **\<empty\>**: If non-empty, comma separated list of domain names that cannot be used to register on this instance, wildcard is supported.
- `SHOW_REGISTRATION_BUTTON`: **! DISABLE\_REGISTRATION**: Show Registration Button
- `SHOW_MILESTONES_DASHBOARD_PAGE`: **true** Enable this to show the milestones dashboard page - a view of all the user's milestones
- `AUTO_WATCH_NEW_REPOS`: **true**: Enable this to let all organisation users watch new repos when they are created

27
modules/setting/service.go
View file

@ -10,6 +10,8 @@ import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/structs"
"github.com/gobwas/glob"
)
// enumerates all the types of captchas
@ -33,8 +35,8 @@ var Service = struct {
ResetPwdCodeLives int
RegisterEmailConfirm bool
RegisterManualConfirm bool
EmailDomainWhitelist []string
EmailDomainBlocklist []string
EmailDomainAllowList []glob.Glob
EmailDomainBlockList []glob.Glob
DisableRegistration bool
AllowOnlyInternalRegistration bool
AllowOnlyExternalRegistration bool
@ -114,6 +116,20 @@ func (a AllowedVisibility) ToVisibleTypeSlice() (result []structs.VisibleType) {
return result
}
func CompileEmailGlobList(sec ConfigSection, keys ...string) (globs []glob.Glob) {
for _, key := range keys {
list := sec.Key(key).Strings(",")
for _, s := range list {
if g, err := glob.Compile(s); err == nil {
globs = append(globs, g)
} else {
log.Error("Skip invalid email allow/block list expression %q: %v", s, err)
}
}
}
return globs
}
func loadServiceFrom(rootCfg ConfigProvider) {
sec := rootCfg.Section("service")
Service.ActiveCodeLives = sec.Key("ACTIVE_CODE_LIVE_MINUTES").MustInt(180)
@ -130,8 +146,11 @@ func loadServiceFrom(rootCfg ConfigProvider) {
} else {
Service.RegisterManualConfirm = false
}
Service.EmailDomainWhitelist = sec.Key("EMAIL_DOMAIN_WHITELIST").Strings(",")
Service.EmailDomainBlocklist = sec.Key("EMAIL_DOMAIN_BLOCKLIST").Strings(",")
if sec.HasKey("EMAIL_DOMAIN_WHITELIST") {
deprecatedSetting(rootCfg, "service", "EMAIL_DOMAIN_WHITELIST", "service", "EMAIL_DOMAIN_ALLOWLIST", "1.21")
}
Service.EmailDomainAllowList = CompileEmailGlobList(sec, "EMAIL_DOMAIN_WHITELIST", "EMAIL_DOMAIN_ALLOWLIST")
Service.EmailDomainBlockList = CompileEmailGlobList(sec, "EMAIL_DOMAIN_BLOCKLIST")
Service.ShowRegistrationButton = sec.Key("SHOW_REGISTRATION_BUTTON").MustBool(!(Service.DisableRegistration || Service.AllowOnlyExternalRegistration))
Service.ShowMilestonesDashboardPage = sec.Key("SHOW_MILESTONES_DASHBOARD_PAGE").MustBool(true)
Service.RequireSignInView = sec.Key("REQUIRE_SIGNIN_VIEW").MustBool()

46
modules/setting/service_test.go Normal file
View file

@ -0,0 +1,46 @@
// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package setting
import (
"testing"
"github.com/gobwas/glob"
"github.com/stretchr/testify/assert"
)
func TestLoadServices(t *testing.T) {
oldService := Service
defer func() {
Service = oldService
}()
cfg, err := NewConfigProviderFromData(`
[service]
EMAIL_DOMAIN_WHITELIST = d1, *.w
EMAIL_DOMAIN_ALLOWLIST = d2, *.a
EMAIL_DOMAIN_BLOCKLIST = d3, *.b
`)
assert.NoError(t, err)
loadServiceFrom(cfg)
match := func(globs []glob.Glob, s string) bool {
for _, g := range globs {
if g.Match(s) {
return true
}
}
return false
}
assert.True(t, match(Service.EmailDomainAllowList, "d1"))
assert.True(t, match(Service.EmailDomainAllowList, "foo.w"))
assert.True(t, match(Service.EmailDomainAllowList, "d2"))
assert.True(t, match(Service.EmailDomainAllowList, "foo.a"))
assert.False(t, match(Service.EmailDomainAllowList, "d3"))
assert.True(t, match(Service.EmailDomainBlockList, "d3"))
assert.True(t, match(Service.EmailDomainBlockList, "foo.b"))
assert.False(t, match(Service.EmailDomainBlockList, "d1"))
}

17
services/forms/user_form.go
View file

@ -16,6 +16,7 @@ import (
"code.gitea.io/gitea/modules/web/middleware"
"gitea.com/go-chi/binding"
"github.com/gobwas/glob"
)
// InstallForm form for installation page
@ -105,8 +106,8 @@ func (f *RegisterForm) Validate(req *http.Request, errs binding.Errors) binding.
// IsEmailDomainListed checks whether the domain of an email address
// matches a list of domains
func IsEmailDomainListed(list []string, email string) bool {
if len(list) == 0 {
func IsEmailDomainListed(globs []glob.Glob, email string) bool {
if len(globs) == 0 {
return false
}
@ -117,8 +118,8 @@ func IsEmailDomainListed(list []string, email string) bool {
domain := strings.ToLower(email[n+1:])
for _, v := range list {
if strings.ToLower(v) == domain {
for _, g := range globs {
if g.Match(domain) {
return true
}
}
@ -131,12 +132,12 @@ func IsEmailDomainListed(list []string, email string) bool {
// The email is marked as allowed if it matches any of the
// domains in the whitelist or if it doesn't match any of
// domains in the blocklist, if any such list is not empty.
func (f RegisterForm) IsEmailDomainAllowed() bool {
if len(setting.Service.EmailDomainWhitelist) == 0 {
return !IsEmailDomainListed(setting.Service.EmailDomainBlocklist, f.Email)
func (f *RegisterForm) IsEmailDomainAllowed() bool {
if len(setting.Service.EmailDomainAllowList) == 0 {
return !IsEmailDomainListed(setting.Service.EmailDomainBlockList, f.Email)
}
return IsEmailDomainListed(setting.Service.EmailDomainWhitelist, f.Email)
return IsEmailDomainListed(setting.Service.EmailDomainAllowList, f.Email)
}
// MustChangePasswordForm form for updating your password after account creation

49
services/forms/user_form_test.go
View file

@ -10,13 +10,17 @@ import (
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/modules/setting"
"github.com/gobwas/glob"
"github.com/stretchr/testify/assert"
)
func TestRegisterForm_IsDomainAllowed_Empty(t *testing.T) {
_ = setting.Service
oldService := setting.Service
defer func() {
setting.Service = oldService
}()
setting.Service.EmailDomainWhitelist = []string{}
setting.Service.EmailDomainAllowList = nil
form := RegisterForm{}
@ -24,15 +28,18 @@ func TestRegisterForm_IsDomainAllowed_Empty(t *testing.T) {
}
func TestRegisterForm_IsDomainAllowed_InvalidEmail(t *testing.T) {
_ = setting.Service
oldService := setting.Service
defer func() {
setting.Service = oldService
}()
setting.Service.EmailDomainWhitelist = []string{"gitea.io"}
setting.Service.EmailDomainAllowList = []glob.Glob{glob.MustCompile("gitea.io")}
tt := []struct {
email string
}{
{"securitygieqqq"},
{"hdudhdd"},
{"invalid-email"},
{"gitea.io"},
}
for _, v := range tt {
@ -42,10 +49,13 @@ func TestRegisterForm_IsDomainAllowed_InvalidEmail(t *testing.T) {
}
}
func TestRegisterForm_IsDomainAllowed_WhitelistedEmail(t *testing.T) {
_ = setting.Service
func TestRegisterForm_IsDomainAllowed_AllowedEmail(t *testing.T) {
oldService := setting.Service
defer func() {
setting.Service = oldService
}()
setting.Service.EmailDomainWhitelist = []string{"gitea.io"}
setting.Service.EmailDomainAllowList = []glob.Glob{glob.MustCompile("gitea.io"), glob.MustCompile("*.allow")}
tt := []struct {
email string
@ -53,8 +63,11 @@ func TestRegisterForm_IsDomainAllowed_WhitelistedEmail(t *testing.T) {
}{
{"security@gitea.io", true},
{"security@gITea.io", true},
{"hdudhdd", false},
{"invalid", false},
{"seee@example.com", false},
{"user@my.allow", true},
{"user@my.allow1", false},
}
for _, v := range tt {
@ -64,11 +77,14 @@ func TestRegisterForm_IsDomainAllowed_WhitelistedEmail(t *testing.T) {
}
}
func TestRegisterForm_IsDomainAllowed_BlocklistedEmail(t *testing.T) {
_ = setting.Service
func TestRegisterForm_IsDomainAllowed_BlockedEmail(t *testing.T) {
oldService := setting.Service
defer func() {
setting.Service = oldService
}()
setting.Service.EmailDomainWhitelist = []string{}
setting.Service.EmailDomainBlocklist = []string{"gitea.io"}
setting.Service.EmailDomainAllowList = nil
setting.Service.EmailDomainBlockList = []glob.Glob{glob.MustCompile("gitea.io"), glob.MustCompile("*.block")}
tt := []struct {
email string
@ -76,7 +92,10 @@ func TestRegisterForm_IsDomainAllowed_BlocklistedEmail(t *testing.T) {
}{
{"security@gitea.io", false},
{"security@gitea.example", true},
{"hdudhdd", true},
{"invalid", true},
{"user@my.block", false},
{"user@my.block1", true},
}
for _, v := range tt {