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[feature] Include password strength in error message when password strength is too low (#550)

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* When password validation fails, return how close to enough entropy it has.

* Shorter version of low-strength password error message
This commit is contained in:
Eamonn O'Brien-Strain 2022-05-09 01:31:46 -07:00 • committed by GitHub
commit b24b71c0a4
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4 changed files with 18 additions and 8 deletions
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12
internal/validate/formvalidation.go
View file

@ -22,6 +22,7 @@ import (
"errors"
"fmt"
"net/mail"
"strings"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/regexes"
@ -53,7 +54,16 @@ func NewPassword(password string) error {
return fmt.Errorf("password should be no more than %d chars", maximumPasswordLength)
}
return pwv.Validate(password, minimumPasswordEntropy)
if err := pwv.Validate(password, minimumPasswordEntropy); err != nil {
// Modify error message to include percentage requred entropy the password has
percent := int(100 * pwv.GetEntropy(password) / minimumPasswordEntropy)
return errors.New(strings.ReplaceAll(
err.Error(),
"insecure password",
fmt.Sprintf("password is %d%% strength", percent)))
}
return nil // pasword OK
}
// Username makes sure that a given username is valid (ie., letters, numbers, underscores, check length).

8
internal/validate/formvalidation_test.go
View file

@ -50,22 +50,22 @@ func (suite *ValidationTestSuite) TestCheckPasswordStrength() {
err = validate.NewPassword(terriblePassword)
if assert.Error(suite.T(), err) {
assert.Equal(suite.T(), errors.New("insecure password, try including more special characters, using uppercase letters, using numbers or using a longer password"), err)
assert.Equal(suite.T(), errors.New("password is 62% strength, try including more special characters, using uppercase letters, using numbers or using a longer password"), err)
}
err = validate.NewPassword(weakPassword)
if assert.Error(suite.T(), err) {
assert.Equal(suite.T(), errors.New("insecure password, try including more special characters, using numbers or using a longer password"), err)
assert.Equal(suite.T(), errors.New("password is 95% strength, try including more special characters, using numbers or using a longer password"), err)
}
err = validate.NewPassword(shortPassword)
if assert.Error(suite.T(), err) {
assert.Equal(suite.T(), errors.New("insecure password, try including more special characters or using a longer password"), err)
assert.Equal(suite.T(), errors.New("password is 39% strength, try including more special characters or using a longer password"), err)
}
err = validate.NewPassword(specialPassword)
if assert.Error(suite.T(), err) {
assert.Equal(suite.T(), errors.New("insecure password, try including more special characters or using a longer password"), err)
assert.Equal(suite.T(), errors.New("password is 53% strength, try including more special characters or using a longer password"), err)
}
err = validate.NewPassword(longPassword)