mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-15 18:19:04 +01:00
b6fbdc66c1
* [chore] Deinterface processor and subprocessors * expose subprocessors via function calls * missing license header
193 lines
7.6 KiB
Go
193 lines
7.6 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 account
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import (
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"context"
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"errors"
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"fmt"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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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/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/id"
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"github.com/superseriousbusiness/gotosocial/internal/messages"
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"github.com/superseriousbusiness/gotosocial/internal/uris"
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)
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// BlockCreate handles the creation of a block from requestingAccount to targetAccountID, either remote or local.
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func (p *Processor) BlockCreate(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
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// make sure the target account actually exists in our db
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targetAccount, err := p.db.GetAccountByID(ctx, targetAccountID)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("BlockCreate: error getting account %s from the db: %s", targetAccountID, err))
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}
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// if requestingAccount already blocks target account, we don't need to do anything
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if blocked, err := p.db.IsBlocked(ctx, requestingAccount.ID, targetAccountID, false); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockCreate: error checking existence of block: %s", err))
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} else if blocked {
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return p.RelationshipGet(ctx, requestingAccount, targetAccountID)
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}
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// don't block yourself, silly
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if requestingAccount.ID == targetAccountID {
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return nil, gtserror.NewErrorNotAcceptable(fmt.Errorf("BlockCreate: account %s cannot block itself", requestingAccount.ID))
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}
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// make the block
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block := >smodel.Block{}
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newBlockID := id.NewULID()
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block.ID = newBlockID
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block.AccountID = requestingAccount.ID
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block.Account = requestingAccount
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block.TargetAccountID = targetAccountID
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block.TargetAccount = targetAccount
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block.URI = uris.GenerateURIForBlock(requestingAccount.Username, newBlockID)
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// whack it in the database
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if err := p.db.PutBlock(ctx, block); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockCreate: error creating block in db: %s", err))
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}
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// clear any follows or follow requests from the blocked account to the target account -- this is a simple delete
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if err := p.db.DeleteWhere(ctx, []db.Where{
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{Key: "account_id", Value: targetAccountID},
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{Key: "target_account_id", Value: requestingAccount.ID},
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}, >smodel.Follow{}); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockCreate: error removing follow in db: %s", err))
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}
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if err := p.db.DeleteWhere(ctx, []db.Where{
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{Key: "account_id", Value: targetAccountID},
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{Key: "target_account_id", Value: requestingAccount.ID},
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}, >smodel.FollowRequest{}); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockCreate: error removing follow in db: %s", err))
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}
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// clear any follows or follow requests from the requesting account to the target account --
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// this might require federation so we need to pass some messages around
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// check if a follow request exists from the requesting account to the target account, and remove it if it does (storing the URI for later)
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var frChanged bool
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var frURI string
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fr := >smodel.FollowRequest{}
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if err := p.db.GetWhere(ctx, []db.Where{
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{Key: "account_id", Value: requestingAccount.ID},
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{Key: "target_account_id", Value: targetAccountID},
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}, fr); err == nil {
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frURI = fr.URI
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if err := p.db.DeleteByID(ctx, fr.ID, fr); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockCreate: error removing follow request from db: %s", err))
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}
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frChanged = true
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}
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// now do the same thing for any existing follow
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var fChanged bool
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var fURI string
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f := >smodel.Follow{}
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if err := p.db.GetWhere(ctx, []db.Where{
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{Key: "account_id", Value: requestingAccount.ID},
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{Key: "target_account_id", Value: targetAccountID},
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}, f); err == nil {
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fURI = f.URI
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if err := p.db.DeleteByID(ctx, f.ID, f); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockCreate: error removing follow from db: %s", err))
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}
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fChanged = true
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}
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// follow request status changed so send the UNDO activity to the channel for async processing
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if frChanged {
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p.clientWorker.Queue(messages.FromClientAPI{
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APObjectType: ap.ActivityFollow,
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APActivityType: ap.ActivityUndo,
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GTSModel: >smodel.Follow{
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AccountID: requestingAccount.ID,
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TargetAccountID: targetAccountID,
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URI: frURI,
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},
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OriginAccount: requestingAccount,
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TargetAccount: targetAccount,
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})
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}
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// follow status changed so send the UNDO activity to the channel for async processing
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if fChanged {
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p.clientWorker.Queue(messages.FromClientAPI{
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APObjectType: ap.ActivityFollow,
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APActivityType: ap.ActivityUndo,
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GTSModel: >smodel.Follow{
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AccountID: requestingAccount.ID,
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TargetAccountID: targetAccountID,
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URI: fURI,
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},
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OriginAccount: requestingAccount,
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TargetAccount: targetAccount,
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})
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}
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// handle the rest of the block process asynchronously
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p.clientWorker.Queue(messages.FromClientAPI{
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APObjectType: ap.ActivityBlock,
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APActivityType: ap.ActivityCreate,
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GTSModel: block,
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OriginAccount: requestingAccount,
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TargetAccount: targetAccount,
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})
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return p.RelationshipGet(ctx, requestingAccount, targetAccountID)
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}
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// BlockRemove handles the removal of a block from requestingAccount to targetAccountID, either remote or local.
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func (p *Processor) BlockRemove(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode) {
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// make sure the target account actually exists in our db
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targetAccount, err := p.db.GetAccountByID(ctx, targetAccountID)
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if err != nil {
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return nil, gtserror.NewErrorNotFound(fmt.Errorf("BlockCreate: error getting account %s from the db: %s", targetAccountID, err))
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}
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// check if a block exists, and remove it if it does
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block, err := p.db.GetBlock(ctx, requestingAccount.ID, targetAccountID)
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if err == nil {
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// we got a block, remove it
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block.Account = requestingAccount
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block.TargetAccount = targetAccount
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if err := p.db.DeleteBlockByID(ctx, block.ID); err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockRemove: error removing block from db: %s", err))
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}
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// send the UNDO activity to the client worker for async processing
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p.clientWorker.Queue(messages.FromClientAPI{
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APObjectType: ap.ActivityBlock,
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APActivityType: ap.ActivityUndo,
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GTSModel: block,
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OriginAccount: requestingAccount,
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TargetAccount: targetAccount,
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})
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} else if !errors.Is(err, db.ErrNoEntries) {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("BlockRemove: error getting possible block from db: %s", err))
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}
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// return whatever relationship results from all this
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return p.RelationshipGet(ctx, requestingAccount, targetAccountID)
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}
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