From 46e31009a86db18a9b5bd8e2f535b198df90c437 Mon Sep 17 00:00:00 2001 From: "Panagiotis \"Ivory\" Vasilopoulos" Date: Mon, 12 Jun 2023 13:57:01 +0200 Subject: [PATCH] [GITEA] add option for banning dots in usernames Refs: https://codeberg.org/forgejo/forgejo/pulls/676 Author: Panagiotis "Ivory" Vasilopoulos Date: Mon Jun 12 13:57:01 2023 +0200 Co-authored-by: Gusted (cherry picked from commit fabdda5c6e84017bf75ab5f9ab6cc0e583b70d09) (cherry picked from commit d2c7f45621028d37944659db096bc92c031dd8e7) (cherry picked from commit dfdbaba3d6b7abf1c542b0ea41b7812b729cc217) (cherry picked from commit a3cda092b8897e4d669cfcf2cb8b16236e3c9b32) (cherry picked from commit f0fdb5905c3b22bec043530da15d2c52f6bc41c9) (cherry picked from commit 9697e48c1f8b23d3dd1da246b525b63c3756353d) --- custom/conf/app.example.ini | 5 +++++ modules/setting/service.go | 2 ++ modules/validation/helpers.go | 13 ++++++++++--- modules/validation/helpers_test.go | 31 +++++++++++++++++++++++++++++- modules/web/middleware/binding.go | 7 ++++++- options/locale/locale_en-US.ini | 2 ++ templates/admin/config.tmpl | 2 ++ 7 files changed, 57 insertions(+), 5 deletions(-) diff --git a/custom/conf/app.example.ini b/custom/conf/app.example.ini index 852c59c92e..aee2e9fb7d 100644 --- a/custom/conf/app.example.ini +++ b/custom/conf/app.example.ini @@ -801,6 +801,11 @@ LEVEL = Info ;; Every new user will have restricted permissions depending on this setting ;DEFAULT_USER_IS_RESTRICTED = false ;; +;; Users will be able to use dots when choosing their username. Disabling this is +;; helpful if your usersare having issues with e.g. RSS feeds or advanced third-party +;; extensions that use strange regex patterns. +; ALLOW_DOTS_IN_USERNAMES = true +;; ;; Either "public", "limited" or "private", default is "public" ;; Limited is for users visible only to signed users ;; Private is for users visible only to members of their organizations diff --git a/modules/setting/service.go b/modules/setting/service.go index f1b415ef70..f20943aec2 100644 --- a/modules/setting/service.go +++ b/modules/setting/service.go @@ -67,6 +67,7 @@ var Service = struct { DefaultKeepEmailPrivate bool DefaultAllowCreateOrganization bool DefaultUserIsRestricted bool + AllowDotsInUsernames bool EnableTimetracking bool DefaultEnableTimetracking bool DefaultEnableDependencies bool @@ -178,6 +179,7 @@ func loadServiceFrom(rootCfg ConfigProvider) { Service.DefaultKeepEmailPrivate = sec.Key("DEFAULT_KEEP_EMAIL_PRIVATE").MustBool() Service.DefaultAllowCreateOrganization = sec.Key("DEFAULT_ALLOW_CREATE_ORGANIZATION").MustBool(true) Service.DefaultUserIsRestricted = sec.Key("DEFAULT_USER_IS_RESTRICTED").MustBool(false) + Service.AllowDotsInUsernames = sec.Key("ALLOW_DOTS_IN_USERNAMES").MustBool(true) Service.EnableTimetracking = sec.Key("ENABLE_TIMETRACKING").MustBool(true) if Service.EnableTimetracking { Service.DefaultEnableTimetracking = sec.Key("DEFAULT_ENABLE_TIMETRACKING").MustBool(true) diff --git a/modules/validation/helpers.go b/modules/validation/helpers.go index 3381846b86..2f88fcbc60 100644 --- a/modules/validation/helpers.go +++ b/modules/validation/helpers.go @@ -92,13 +92,20 @@ func IsValidExternalTrackerURLFormat(uri string) bool { } var ( - validUsernamePattern = regexp.MustCompile(`^[\da-zA-Z][-.\w]*$`) - invalidUsernamePattern = regexp.MustCompile(`[-._]{2,}|[-._]$`) // No consecutive or trailing non-alphanumeric chars + validUsernamePatternWithDots = regexp.MustCompile(`^[\da-zA-Z][-.\w]*$`) + validUsernamePatternWithoutDots = regexp.MustCompile(`^[\da-zA-Z][-\w]*$`) + + // No consecutive or trailing non-alphanumeric chars, catches both cases + invalidUsernamePattern = regexp.MustCompile(`[-._]{2,}|[-._]$`) ) // IsValidUsername checks if username is valid func IsValidUsername(name string) bool { // It is difficult to find a single pattern that is both readable and effective, // but it's easier to use positive and negative checks. - return validUsernamePattern.MatchString(name) && !invalidUsernamePattern.MatchString(name) + if setting.Service.AllowDotsInUsernames { + return validUsernamePatternWithDots.MatchString(name) && !invalidUsernamePattern.MatchString(name) + } + + return validUsernamePatternWithoutDots.MatchString(name) && !invalidUsernamePattern.MatchString(name) } diff --git a/modules/validation/helpers_test.go b/modules/validation/helpers_test.go index 52f383f698..a1bdf2a29c 100644 --- a/modules/validation/helpers_test.go +++ b/modules/validation/helpers_test.go @@ -155,7 +155,8 @@ func Test_IsValidExternalTrackerURLFormat(t *testing.T) { } } -func TestIsValidUsername(t *testing.T) { +func TestIsValidUsernameAllowDots(t *testing.T) { + setting.Service.AllowDotsInUsernames = true tests := []struct { arg string want bool @@ -185,3 +186,31 @@ func TestIsValidUsername(t *testing.T) { }) } } + +func TestIsValidUsernameBanDots(t *testing.T) { + setting.Service.AllowDotsInUsernames = false + defer func() { + setting.Service.AllowDotsInUsernames = true + }() + + tests := []struct { + arg string + want bool + }{ + {arg: "a", want: true}, + {arg: "abc", want: true}, + {arg: "0.b-c", want: false}, + {arg: "a.b-c_d", want: false}, + {arg: ".abc", want: false}, + {arg: "abc.", want: false}, + {arg: "a..bc", want: false}, + {arg: "a...bc", want: false}, + {arg: "a.-bc", want: false}, + {arg: "a._bc", want: false}, + } + for _, tt := range tests { + t.Run(tt.arg, func(t *testing.T) { + assert.Equalf(t, tt.want, IsValidUsername(tt.arg), "IsValidUsername[AllowDotsInUsernames=false](%v)", tt.arg) + }) + } +} diff --git a/modules/web/middleware/binding.go b/modules/web/middleware/binding.go index d9bcdf3b2a..4e7fca80e2 100644 --- a/modules/web/middleware/binding.go +++ b/modules/web/middleware/binding.go @@ -8,6 +8,7 @@ import ( "reflect" "strings" + "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/translation" "code.gitea.io/gitea/modules/util" "code.gitea.io/gitea/modules/validation" @@ -135,7 +136,11 @@ func Validate(errs binding.Errors, data map[string]any, f Form, l translation.Lo case validation.ErrRegexPattern: data["ErrorMsg"] = trName + l.Tr("form.regex_pattern_error", errs[0].Message) case validation.ErrUsername: - data["ErrorMsg"] = trName + l.Tr("form.username_error") + if setting.Service.AllowDotsInUsernames { + data["ErrorMsg"] = trName + l.Tr("form.username_error") + } else { + data["ErrorMsg"] = trName + l.Tr("form.username_error_no_dots") + } case validation.ErrInvalidGroupTeamMap: data["ErrorMsg"] = trName + l.Tr("form.invalid_group_team_map_error", errs[0].Message) default: diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini index 64bc0c7cc1..13981d7c31 100644 --- a/options/locale/locale_en-US.ini +++ b/options/locale/locale_en-US.ini @@ -290,6 +290,7 @@ default_allow_create_organization = Allow Creation of Organizations by Default default_allow_create_organization_popup = Allow new user accounts to create organizations by default. default_enable_timetracking = Enable Time Tracking by Default default_enable_timetracking_popup = Enable time tracking for new repositories by default. +allow_dots_in_usernames = Allow users to use dots in their usernames. Doesn't affect existing accounts. no_reply_address = Hidden Email Domain no_reply_address_helper = Domain name for users with a hidden email address. For example, the username 'joe' will be logged in Git as 'joe@noreply.example.org' if the hidden email domain is set to 'noreply.example.org'. password_algorithm = Password Hash Algorithm @@ -528,6 +529,7 @@ include_error = ` must contain substring "%s".` glob_pattern_error = ` glob pattern is invalid: %s.` regex_pattern_error = ` regex pattern is invalid: %s.` username_error = ` can only contain alphanumeric chars ('0-9','a-z','A-Z'), dash ('-'), underscore ('_') and dot ('.'). It cannot begin or end with non-alphanumeric chars, and consecutive non-alphanumeric chars are also forbidden.` +username_error_no_dots = ` can only contain alphanumeric chars ('0-9','a-z','A-Z'), dash ('-') and underscore ('_'). It cannot begin or end with non-alphanumeric chars, and consecutive non-alphanumeric chars are also forbidden.` invalid_group_team_map_error = ` mapping is invalid: %s` unknown_error = Unknown error: captcha_incorrect = The CAPTCHA code is incorrect. diff --git a/templates/admin/config.tmpl b/templates/admin/config.tmpl index 36d9bcb8a5..6947ecfe8e 100644 --- a/templates/admin/config.tmpl +++ b/templates/admin/config.tmpl @@ -159,6 +159,8 @@
{{if .Service.DefaultKeepEmailPrivate}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}
{{.locale.Tr "admin.config.default_allow_create_organization"}}
{{if .Service.DefaultAllowCreateOrganization}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}
+
{{.locale.Tr "admin.config.allow_dots_in_usernames"}}
+
{{if .Service.AllowDotsInUsernames}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}
{{.locale.Tr "admin.config.enable_timetracking"}}
{{if .Service.EnableTimetracking}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}
{{if .Service.EnableTimetracking}}