gotosocial/internal/apimodule/account/accountcreate.go
2021-04-20 18:14:23 +02:00

156 lines
5.3 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package account
import (
"errors"
"fmt"
"net"
"net/http"
"github.com/gin-gonic/gin"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/db/gtsmodel"
mastotypes "github.com/superseriousbusiness/gotosocial/internal/mastotypes/mastomodel"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/util"
"github.com/superseriousbusiness/oauth2/v4"
)
// AccountCreatePOSTHandler handles create account requests, validates them,
// and puts them in the database if they're valid.
// It should be served as a POST at /api/v1/accounts
func (m *Module) AccountCreatePOSTHandler(c *gin.Context) {
l := m.log.WithField("func", "accountCreatePOSTHandler")
authed, err := oauth.MustAuth(c, true, true, false, false)
if err != nil {
l.Debugf("couldn't auth: %s", err)
c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
return
}
l.Trace("parsing request form")
form := &mastotypes.AccountCreateRequest{}
if err := c.ShouldBind(form); err != nil || form == nil {
l.Debugf("could not parse form from request: %s", err)
c.JSON(http.StatusBadRequest, gin.H{"error": "missing one or more required form values"})
return
}
l.Tracef("validating form %+v", form)
if err := validateCreateAccount(form, m.config.AccountsConfig, m.db); err != nil {
l.Debugf("error validating form: %s", err)
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
clientIP := c.ClientIP()
l.Tracef("attempting to parse client ip address %s", clientIP)
signUpIP := net.ParseIP(clientIP)
if signUpIP == nil {
l.Debugf("error validating sign up ip address %s", clientIP)
c.JSON(http.StatusBadRequest, gin.H{"error": "ip address could not be parsed from request"})
return
}
ti, err := m.accountCreate(form, signUpIP, authed.Token, authed.Application)
if err != nil {
l.Errorf("internal server error while creating new account: %s", err)
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, ti)
}
// accountCreate does the dirty work of making an account and user in the database.
// It then returns a token to the caller, for use with the new account, as per the
// spec here: https://docs.joinmastodon.org/methods/accounts/
func (m *Module) accountCreate(form *mastotypes.AccountCreateRequest, signUpIP net.IP, token oauth2.TokenInfo, app *gtsmodel.Application) (*mastotypes.Token, error) {
l := m.log.WithField("func", "accountCreate")
// don't store a reason if we don't require one
reason := form.Reason
if !m.config.AccountsConfig.ReasonRequired {
reason = ""
}
l.Trace("creating new username and account")
user, err := m.db.NewSignup(form.Username, reason, m.config.AccountsConfig.RequireApproval, form.Email, form.Password, signUpIP, form.Locale, app.ID)
if err != nil {
return nil, fmt.Errorf("error creating new signup in the database: %s", err)
}
l.Tracef("generating a token for user %s with account %s and application %s", user.ID, user.AccountID, app.ID)
accessToken, err := m.oauthServer.GenerateUserAccessToken(token, app.ClientSecret, user.ID)
if err != nil {
return nil, fmt.Errorf("error creating new access token for user %s: %s", user.ID, err)
}
return &mastotypes.Token{
AccessToken: accessToken.GetAccess(),
TokenType: "Bearer",
Scope: accessToken.GetScope(),
CreatedAt: accessToken.GetAccessCreateAt().Unix(),
}, nil
}
// validateCreateAccount checks through all the necessary prerequisites for creating a new account,
// according to the provided account create request. If the account isn't eligible, an error will be returned.
func validateCreateAccount(form *mastotypes.AccountCreateRequest, c *config.AccountsConfig, database db.DB) error {
if !c.OpenRegistration {
return errors.New("registration is not open for this server")
}
if err := util.ValidateUsername(form.Username); err != nil {
return err
}
if err := util.ValidateEmail(form.Email); err != nil {
return err
}
if err := util.ValidateNewPassword(form.Password); err != nil {
return err
}
if !form.Agreement {
return errors.New("agreement to terms and conditions not given")
}
if err := util.ValidateLanguage(form.Locale); err != nil {
return err
}
if err := util.ValidateSignUpReason(form.Reason, c.ReasonRequired); err != nil {
return err
}
if err := database.IsEmailAvailable(form.Email); err != nil {
return err
}
if err := database.IsUsernameAvailable(form.Username); err != nil {
return err
}
return nil
}