forked from mirrors/gotosocial
111 lines
3.5 KiB
Go
111 lines
3.5 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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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 License 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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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 License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package auth
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"github.com/gin-contrib/sessions"
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"github.com/gin-gonic/gin"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/oauth"
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)
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func (m *Module) OobHandler(c *gin.Context) {
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instance, errWithCode := m.processor.InstanceGetV1(c.Request.Context())
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if errWithCode != nil {
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apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
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return
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}
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instanceGet := func(ctx context.Context) (*apimodel.InstanceV1, gtserror.WithCode) {
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return instance, nil
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}
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oobToken := c.Query("code")
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if oobToken == "" {
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err := errors.New("no 'code' query value provided in callback redirect")
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apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error(), oauth.HelpfulAdvice), instanceGet)
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return
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}
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s := sessions.Default(c)
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errs := []string{}
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scope, ok := s.Get(sessionScope).(string)
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if !ok {
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errs = append(errs, fmt.Sprintf("key %s was not found in session", sessionScope))
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}
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userID, ok := s.Get(sessionUserID).(string)
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if !ok {
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errs = append(errs, fmt.Sprintf("key %s was not found in session", sessionUserID))
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}
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if len(errs) != 0 {
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errs = append(errs, oauth.HelpfulAdvice)
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apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(errors.New("one or more missing keys on session during OobHandler"), errs...), m.processor.InstanceGetV1)
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return
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}
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user, err := m.db.GetUserByID(c.Request.Context(), userID)
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if err != nil {
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m.clearSession(s)
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safe := fmt.Sprintf("user with id %s could not be retrieved", userID)
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var errWithCode gtserror.WithCode
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if err == db.ErrNoEntries {
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errWithCode = gtserror.NewErrorBadRequest(err, safe, oauth.HelpfulAdvice)
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} else {
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errWithCode = gtserror.NewErrorInternalError(err, safe, oauth.HelpfulAdvice)
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}
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apiutil.ErrorHandler(c, errWithCode, instanceGet)
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return
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}
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acct, err := m.db.GetAccountByID(c.Request.Context(), user.AccountID)
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if err != nil {
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m.clearSession(s)
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safe := fmt.Sprintf("account with id %s could not be retrieved", user.AccountID)
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var errWithCode gtserror.WithCode
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if err == db.ErrNoEntries {
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errWithCode = gtserror.NewErrorBadRequest(err, safe, oauth.HelpfulAdvice)
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} else {
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errWithCode = gtserror.NewErrorInternalError(err, safe, oauth.HelpfulAdvice)
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}
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apiutil.ErrorHandler(c, errWithCode, instanceGet)
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return
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}
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// we're done with the session now, so just clear it out
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m.clearSession(s)
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c.HTML(http.StatusOK, "oob.tmpl", gin.H{
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"instance": instance,
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"user": acct.Username,
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"oobToken": oobToken,
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"scope": scope,
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})
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}
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