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https://github.com/superseriousbusiness/gotosocial.git
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3cff4b2d7d
after seeing a potential reported federating worker lockup i decided to start digging into the federatingdb code. this PR encompasses:
- removes one of our last unused interface types `federatingdb.DB{}`, replacing it with a struct type `*federatingdb.DB{}`
- in `transport.dereferenceLocal()` differentiates between an unsupported lookup type and ErrNoEntries to reduce unnecessary calls, and reduce potential lockups that may occur while trying to call our own endpoints that then call `federatingdb.Lock()`
- removes a bunch of the locks on follow state changes since the DB already synchronizes that
- removes the unnecessary `pub.Clock{}` struct field and type passed to the transport controller
frankly it would be great if we could remove the locking in `federatingdb.Lock()` and instead handle it ourselves as it gets very confusing trying to figure out what functions will have locks held. but i guess that's one for when we move further away from the go-fed/activity/pub package usage.
Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4178
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>
91 lines
3 KiB
Go
91 lines
3 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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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 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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//
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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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//
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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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package federatingdb
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import (
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"context"
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"net/http"
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"code.superseriousbusiness.org/activity/streams/vocab"
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"code.superseriousbusiness.org/gotosocial/internal/ap"
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"code.superseriousbusiness.org/gotosocial/internal/gtserror"
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"code.superseriousbusiness.org/gotosocial/internal/id"
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"code.superseriousbusiness.org/gotosocial/internal/log"
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"code.superseriousbusiness.org/gotosocial/internal/messages"
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"github.com/miekg/dns"
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)
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func (f *DB) Flag(ctx context.Context, flaggable vocab.ActivityStreamsFlag) error {
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log.DebugKV(ctx, "flag", serialize{flaggable})
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// Mark activity as handled.
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f.storeActivityID(flaggable)
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// Extract relevant values from passed ctx.
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activityContext := getActivityContext(ctx)
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if activityContext.internal {
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return nil // Already processed.
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}
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requesting := activityContext.requestingAcct
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receiving := activityContext.receivingAcct
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// Convert received AS flag type to internal report model.
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report, err := f.converter.ASFlagToReport(ctx, flaggable)
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if err != nil {
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err := gtserror.Newf("error converting from AS type: %w", err)
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return gtserror.WrapWithCode(http.StatusBadRequest, err)
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}
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// Requesting acc's domain must be at
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// least a subdomain of the reporting
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// account. i.e. if they're using a
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// different account domain to host.
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if dns.CompareDomainName(
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requesting.Domain,
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report.Account.Domain,
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) < 2 {
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return gtserror.NewfWithCode(http.StatusForbidden, "requester %s does not share a domain with Flag Actor account %s",
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requesting.URI, report.Account.URI)
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}
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// Ensure report received by correct account.
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if report.TargetAccountID != receiving.ID {
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return gtserror.NewfWithCode(http.StatusForbidden, "receiver %s is not expected object %s",
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receiving.URI, report.TargetAccount.URI)
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}
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// Generate new ID for report.
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report.ID = id.NewULID()
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// Insert the new validated reported into the database.
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if err := f.state.DB.PutReport(ctx, report); err != nil {
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return gtserror.Newf("error inserting %s into db: %w", report.URI, err)
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}
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// Push message to worker queue to handle report side-effects.
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f.state.Workers.Federator.Queue.Push(&messages.FromFediAPI{
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APObjectType: ap.ActivityFlag,
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APActivityType: ap.ActivityCreate,
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GTSModel: report,
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Receiving: receiving,
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Requesting: requesting,
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})
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return nil
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}
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