131 lines
4.0 KiB
Go
131 lines
4.0 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 search
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"codeberg.org/gruf/go-kv"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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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/log"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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)
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// Lookup does a quick, non-resolving search for accounts that
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// match the given query. It expects input that looks like a
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// namestring, and will normalize plaintext to look more like
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// a namestring. Will only ever return one account, and only on
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// an exact match.
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//
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// This behavior aligns more or less with Mastodon's API.
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// See https://docs.joinmastodon.org/methods/accounts/#lookup
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func (p *Processor) Lookup(
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ctx context.Context,
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requestingAccount *gtsmodel.Account,
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query string,
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) (*apimodel.Account, gtserror.WithCode) {
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// Include instance accounts in this search.
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//
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// Lookup is for one specific account so we
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// can't return loads of instance accounts by
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// accident.
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const includeInstanceAccounts = true
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// Since lookup is always for a specific
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// account, it's fine to include a blocked
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// account in the results.
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const includeBlockedAccounts = true
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// Validate query.
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query = strings.TrimSpace(query)
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if query == "" {
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err := errors.New("search query was empty string after trimming space")
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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// Be nice and normalize query by prepending '@'.
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// This will make it easier for accountsByNamestring
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// to pick this up as a valid namestring.
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if query[0] != '@' {
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query = "@" + query
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}
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log.
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WithContext(ctx).
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WithFields(kv.Fields{
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{"query", query},
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}...).
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Debugf("beginning search")
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// See if we have something that looks like a namestring.
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username, domain, err := util.ExtractNamestringParts(query)
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if err != nil {
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err := errors.New("bad search query, must in the form '[username]' or '[username]@[domain]")
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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account, err := p.accountByUsernameDomain(
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ctx,
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requestingAccount,
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username,
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domain,
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false, // never resolve!
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)
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if err != nil {
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if gtserror.IsUnretrievable(err) {
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// ErrNotRetrievable is fine, just wrap it in
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// a 404 to indicate we couldn't find anything.
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err := fmt.Errorf("%s not found", query)
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return nil, gtserror.NewErrorNotFound(err, err.Error())
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}
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// Real error has occurred.
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err = gtserror.Newf("error looking up %s as account: %w", query, err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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// If we reach this point, we found an account. Shortcut
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// using the packageAccounts function to return it. This
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// may cause the account to be filtered out if it's not
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// visible to the caller, so anticipate this.
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accounts, errWithCode := p.packageAccounts(
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ctx,
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requestingAccount,
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[]*gtsmodel.Account{account},
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includeInstanceAccounts,
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includeBlockedAccounts,
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)
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if errWithCode != nil {
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return nil, errWithCode
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}
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if len(accounts) == 0 {
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// Account was not visible to the requesting account.
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err := fmt.Errorf("%s not found", query)
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return nil, gtserror.NewErrorNotFound(err, err.Error())
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}
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// We got a hit!
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return accounts[0], nil
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}
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