83 lines
1.7 KiB
Go
83 lines
1.7 KiB
Go
package users
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"github.com/FAU-CDI/wisski-distillery/internal/phpx"
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"github.com/FAU-CDI/wisski-distillery/pkg/password"
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)
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var errGetValidator = errors.New("GetPasswordValidator: Unknown Error")
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func (u *Users) GetPasswordValidator(ctx context.Context, username string) (pv PasswordValidator, err error) {
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server := u.Dependencies.PHP.NewServer()
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var hash string
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err = u.Dependencies.PHP.ExecScript(ctx, server, &hash, usersPHP, "get_password_hash", username)
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if err != nil {
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server.Close()
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return pv, err
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}
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if len(hash) == 0 {
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server.Close()
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return pv, errGetValidator
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}
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pv.server = server
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pv.username = username
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pv.hash = hash
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return pv, nil
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}
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type PasswordValidator struct {
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server *phpx.Server
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username string
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hash string
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}
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func (pv PasswordValidator) Close() error {
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return pv.server.Close()
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}
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func (pv PasswordValidator) Check(ctx context.Context, password string) bool {
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var result phpx.Boolean
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err := pv.server.MarshalCall(ctx, &result, "check_password_hash", password, string(pv.hash))
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if err != nil {
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return false
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}
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return bool(result)
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}
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var errPasswordUsername = errors.New("username === password")
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func (pv PasswordValidator) CheckDictionary(ctx context.Context, writer io.Writer) error {
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var counter int
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if pv.Check(ctx, pv.username) {
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if writer != nil {
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counter++
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fmt.Fprintln(writer, counter)
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}
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return errPasswordUsername
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}
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for candidate := range password.CommonPasswords() {
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if ctx.Err() != nil {
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continue
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}
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result := pv.Check(ctx, candidate.Password)
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if writer != nil {
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counter++
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fmt.Fprintln(writer, counter)
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}
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if result {
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return &password.CommonPasswordError{CommonPassword: candidate}
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}
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}
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return ctx.Err()
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}
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