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Restrict email address validation (#17688) (#19085) 

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
6543 2022-03-14 20:51:58 +01:00 committed by GitHub
parent 99861e3e06
commit 1cb649525d
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 111 additions and 14 deletions
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34
models/user/email_address.go
View File

@ -10,6 +10,7 @@ import (
"errors"
"fmt"
"net/mail"
"regexp"
"strings"
"code.gitea.io/gitea/models/db"
@ -21,10 +22,23 @@ import (
"xorm.io/builder"
)
var (
// ErrEmailNotActivated e-mail address has not been activated error
ErrEmailNotActivated = errors.New("E-mail address has not been activated")
)
// ErrEmailNotActivated e-mail address has not been activated error
var ErrEmailNotActivated = errors.New("e-mail address has not been activated")
// ErrEmailCharIsNotSupported e-mail address contains unsupported character
type ErrEmailCharIsNotSupported struct {
Email string
}
// IsErrEmailCharIsNotSupported checks if an error is an ErrEmailCharIsNotSupported
func IsErrEmailCharIsNotSupported(err error) bool {
_, ok := err.(ErrEmailCharIsNotSupported)
return ok
}
func (err ErrEmailCharIsNotSupported) Error() string {
return fmt.Sprintf("e-mail address contains unsupported character [email: %s]", err.Email)
}
// ErrEmailInvalid represents an error where the email address does not comply with RFC 5322
type ErrEmailInvalid struct {
@ -108,12 +122,24 @@ func (email *EmailAddress) BeforeInsert() {
}
}
var emailRegexp = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]*@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
// ValidateEmail check if email is a allowed address
func ValidateEmail(email string) error {
if len(email) == 0 {
return nil
}
if !emailRegexp.MatchString(email) {
return ErrEmailCharIsNotSupported{email}
}
if !(email[0] >= 'a' && email[0] <= 'z') &&
!(email[0] >= 'A' && email[0] <= 'Z') &&
!(email[0] >= '0' && email[0] <= '9') {
return ErrEmailInvalid{email}
}
if _, err := mail.ParseAddress(email); err != nil {
return ErrEmailInvalid{email}
}

55
models/user/email_address_test.go
View File

@ -252,3 +252,58 @@ func TestListEmails(t *testing.T) {
assert.Len(t, emails, 5)
assert.Greater(t, count, int64(len(emails)))
}
func TestEmailAddressValidate(t *testing.T) {
kases := map[string]error{
"abc@gmail.com": nil,
"132@hotmail.com": nil,
"1-3-2@test.org": nil,
"1.3.2@test.org": nil,
"a_123@test.org.cn": nil,
`first.last@iana.org`: nil,
`first!last@iana.org`: nil,
`first#last@iana.org`: nil,
`first$last@iana.org`: nil,
`first%last@iana.org`: nil,
`first&last@iana.org`: nil,
`first'last@iana.org`: nil,
`first*last@iana.org`: nil,
`first+last@iana.org`: nil,
`first/last@iana.org`: nil,
`first=last@iana.org`: nil,
`first?last@iana.org`: nil,
`first^last@iana.org`: nil,
"first`last@iana.org": nil,
`first{last@iana.org`: nil,
`first|last@iana.org`: nil,
`first}last@iana.org`: nil,
`first~last@iana.org`: nil,
`first;last@iana.org`: ErrEmailCharIsNotSupported{`first;last@iana.org`},
".233@qq.com": ErrEmailInvalid{".233@qq.com"},
"!233@qq.com": ErrEmailInvalid{"!233@qq.com"},
"#233@qq.com": ErrEmailInvalid{"#233@qq.com"},
"$233@qq.com": ErrEmailInvalid{"$233@qq.com"},
"%233@qq.com": ErrEmailInvalid{"%233@qq.com"},
"&233@qq.com": ErrEmailInvalid{"&233@qq.com"},
"'233@qq.com": ErrEmailInvalid{"'233@qq.com"},
"*233@qq.com": ErrEmailInvalid{"*233@qq.com"},
"+233@qq.com": ErrEmailInvalid{"+233@qq.com"},
"/233@qq.com": ErrEmailInvalid{"/233@qq.com"},
"=233@qq.com": ErrEmailInvalid{"=233@qq.com"},
"?233@qq.com": ErrEmailInvalid{"?233@qq.com"},
"^233@qq.com": ErrEmailInvalid{"^233@qq.com"},
"`233@qq.com": ErrEmailInvalid{"`233@qq.com"},
"{233@qq.com": ErrEmailInvalid{"{233@qq.com"},
"|233@qq.com": ErrEmailInvalid{"|233@qq.com"},
"}233@qq.com": ErrEmailInvalid{"}233@qq.com"},
"~233@qq.com": ErrEmailInvalid{"~233@qq.com"},
";233@qq.com": ErrEmailCharIsNotSupported{";233@qq.com"},
"Foo <foo@bar.com>": ErrEmailCharIsNotSupported{"Foo <foo@bar.com>"},
string([]byte{0xE2, 0x84, 0xAA}): ErrEmailCharIsNotSupported{string([]byte{0xE2, 0x84, 0xAA})},
}
for kase, err := range kases {
t.Run(kase, func(t *testing.T) {
assert.EqualValues(t, err, ValidateEmail(kase))
})
}
}

14
models/user/user.go
View File

@ -644,6 +644,15 @@ func CreateUser(u *User, overwriteDefault ...*CreateUserOverwriteOptions) (err e
u.Visibility = overwriteDefault[0].Visibility
}
// validate data
if err := validateUser(u); err != nil {
return err
}
if err := ValidateEmail(u.Email); err != nil {
return err
}
ctx, committer, err := db.TxContext()
if err != nil {
return err
@ -652,11 +661,6 @@ func CreateUser(u *User, overwriteDefault ...*CreateUserOverwriteOptions) (err e
sess := db.GetEngine(ctx)
// validate data
if err := validateUser(u); err != nil {
return err
}
isExist, err := isUserExist(sess, 0, u.Name)
if err != nil {
return err

2
models/user/user_test.go
View File

@ -232,7 +232,7 @@ func TestCreateUserInvalidEmail(t *testing.T) {
err := CreateUser(user)
assert.Error(t, err)
assert.True(t, IsErrEmailInvalid(err))
assert.True(t, IsErrEmailCharIsNotSupported(err))
}
func TestCreateUserEmailAlreadyUsed(t *testing.T) {

5
routers/api/v1/admin/user.go
View File

@ -119,6 +119,7 @@ func CreateUser(ctx *context.APIContext) {
user_model.IsErrEmailAlreadyUsed(err) ||
db.IsErrNameReserved(err) ||
db.IsErrNameCharsNotAllowed(err) ||
user_model.IsErrEmailCharIsNotSupported(err) ||
user_model.IsErrEmailInvalid(err) ||
db.IsErrNamePatternNotAllowed(err) {
ctx.Error(http.StatusUnprocessableEntity, "", err)
@ -265,7 +266,9 @@ func EditUser(ctx *context.APIContext) {
}
if err := user_model.UpdateUser(u, emailChanged); err != nil {
if user_model.IsErrEmailAlreadyUsed(err) || user_model.IsErrEmailInvalid(err) {
if user_model.IsErrEmailAlreadyUsed(err) ||
user_model.IsErrEmailCharIsNotSupported(err) ||
user_model.IsErrEmailInvalid(err) {
ctx.Error(http.StatusUnprocessableEntity, "", err)
} else {
ctx.Error(http.StatusInternalServerError, "UpdateUser", err)

3
routers/api/v1/user/email.go
View File

@ -80,7 +80,8 @@ func AddEmail(ctx *context.APIContext) {
if err := user_model.AddEmailAddresses(emails); err != nil {
if user_model.IsErrEmailAlreadyUsed(err) {
ctx.Error(http.StatusUnprocessableEntity, "", "Email address has been used: "+err.(user_model.ErrEmailAlreadyUsed).Email)
} else if user_model.IsErrEmailInvalid(err) {
} else if user_model.IsErrEmailCharIsNotSupported(err) ||
user_model.IsErrEmailInvalid(err) {
errMsg := fmt.Sprintf("Email address %s invalid", err.(user_model.ErrEmailInvalid).Email)
ctx.Error(http.StatusUnprocessableEntity, "", errMsg)
} else {

6
routers/web/admin/users.go
View File

@ -171,6 +171,9 @@ func NewUserPost(ctx *context.Context) {
case user_model.IsErrEmailAlreadyUsed(err):
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tplUserNew, &form)
case user_model.IsErrEmailCharIsNotSupported(err):
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_invalid"), tplUserNew, &form)
case user_model.IsErrEmailInvalid(err):
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_invalid"), tplUserNew, &form)
@ -386,7 +389,8 @@ func EditUserPost(ctx *context.Context) {
if user_model.IsErrEmailAlreadyUsed(err) {
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tplUserEdit, &form)
} else if user_model.IsErrEmailInvalid(err) {
} else if user_model.IsErrEmailCharIsNotSupported(err) ||
user_model.IsErrEmailInvalid(err) {
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_invalid"), tplUserEdit, &form)
} else {

3
routers/web/auth/auth.go
View File

@ -573,6 +573,9 @@ func createUserInContext(ctx *context.Context, tpl base.TplName, form interface{
case user_model.IsErrEmailAlreadyUsed(err):
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tpl, form)
case user_model.IsErrEmailCharIsNotSupported(err):
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_invalid"), tpl, form)
case user_model.IsErrEmailInvalid(err):
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_invalid"), tpl, form)

3
routers/web/user/setting/account.go
View File

@ -188,7 +188,8 @@ func EmailPost(ctx *context.Context) {
ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tplSettingsAccount, &form)
return
} else if user_model.IsErrEmailInvalid(err) {
} else if user_model.IsErrEmailCharIsNotSupported(err) ||
user_model.IsErrEmailInvalid(err) {
loadAccountData(ctx)
ctx.RenderWithErr(ctx.Tr("form.email_invalid"), tplSettingsAccount, &form)