48 lines
987 B
Go
48 lines
987 B
Go
package miniauth
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import (
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"regexp"
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"git.keks.cloud/kekskurse/miniauth/pkg/userstore"
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"git.keks.cloud/kekskurse/miniauth/pkg/utils"
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"github.com/rs/zerolog"
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)
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type Miniauth struct {
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store userstore.Store
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log zerolog.Logger
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}
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func NewMiniauth(us userstore.Store) Miniauth {
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m := Miniauth{}
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m.store = us
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return m
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}
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func (m Miniauth) RegisterUser(username string, mail string, password string) error {
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log := m.log.With().Str("func", "RegisterUser").Str("username", username).Str("mail", mail).Logger()
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err := m.checkUsernameForRegistration(username)
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if err != nil {
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return utils.WrapError(ErrUserHasInvalideChars, err, log)
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}
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return nil
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}
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func (m Miniauth) checkUsernameForRegistration(username string) error {
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reg := regexp.MustCompile("^[a-z0-9]{4,25}$")
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if !reg.MatchString(username) {
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return ErrUserHasInvalideChars
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}
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exists, err := m.store.UserExists(username)
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if err != nil {
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return err
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}
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if exists {
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return ErrUsernameIsTaken
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}
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return nil
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}
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