83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-present Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public Licensee as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public Licensee for more details.
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//
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// You should have received a copy of the GNU Affero General Public Licensee
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package caldav
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import (
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"errors"
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"code.vikunja.io/api/pkg/db"
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"code.vikunja.io/api/pkg/log"
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"code.vikunja.io/api/pkg/user"
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"xorm.io/xorm"
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"github.com/labstack/echo/v4"
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"golang.org/x/crypto/bcrypt"
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)
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func BasicAuth(username, password string, c echo.Context) (bool, error) {
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s := db.NewSession()
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defer s.Close()
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credentials := &user.Login{
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Username: username,
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Password: password,
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}
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var err error
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u, err := checkUserCaldavTokens(s, credentials)
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if user.IsErrUserDoesNotExist(err) {
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return false, nil
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}
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if u == nil {
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u, err = user.CheckUserCredentials(s, credentials)
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if err != nil {
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log.Errorf("Error during basic auth for caldav: %v", err)
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return false, nil
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}
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}
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if u != nil && err == nil {
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c.Set("userBasicAuth", u)
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return true, nil
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}
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return false, nil
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}
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func checkUserCaldavTokens(s *xorm.Session, login *user.Login) (*user.User, error) {
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usr, err := user.GetUserByUsername(s, login.Username)
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if err != nil || usr == nil {
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log.Warningf("Error while retrieving users from database: %v", err)
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return nil, err
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}
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tokens, err := user.GetCaldavTokens(usr)
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if err != nil {
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log.Errorf("Error while getting tokens for caldav auth: %v", err)
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return nil, err
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}
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// Looping over all tokens until we find one that matches
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for _, token := range tokens {
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err = bcrypt.CompareHashAndPassword([]byte(token.Token), []byte(login.Password))
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if err != nil {
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if errors.Is(err, bcrypt.ErrMismatchedHashAndPassword) {
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continue
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}
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log.Errorf("Error while verifying tokens for caldav auth: %v", err)
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return nil, nil
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}
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return usr, nil
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}
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return nil, nil
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}
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