gotosocial/internal/processing/search.go

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/*
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 processing
import (
"context"
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"fmt"
"net/url"
"strings"
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"github.com/sirupsen/logrus"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
func (p *processor) SearchGet(ctx context.Context, authed *oauth.Auth, searchQuery *apimodel.SearchQuery) (*apimodel.SearchResult, gtserror.WithCode) {
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l := p.log.WithFields(logrus.Fields{
"func": "SearchGet",
"query": searchQuery.Query,
})
results := &apimodel.SearchResult{
Accounts: []apimodel.Account{},
Statuses: []apimodel.Status{},
Hashtags: []apimodel.Tag{},
}
foundAccounts := []*gtsmodel.Account{}
foundStatuses := []*gtsmodel.Status{}
// foundHashtags := []*gtsmodel.Tag{}
// convert the query to lowercase and trim leading/trailing spaces
query := strings.ToLower(strings.TrimSpace(searchQuery.Query))
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var foundOne bool
// check if the query is something like @whatever_username@example.org -- this means it's a remote account
if !foundOne && util.IsMention(searchQuery.Query) {
l.Debug("search term is a mention, looking it up...")
foundAccount, err := p.searchAccountByMention(ctx, authed, searchQuery.Query, searchQuery.Resolve)
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if err == nil && foundAccount != nil {
foundAccounts = append(foundAccounts, foundAccount)
foundOne = true
l.Debug("got an account by searching by mention")
}
}
// check if the query is a URI and just do a lookup for that, straight up
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if uri, err := url.Parse(query); err == nil && !foundOne {
// 1. check if it's a status
if foundStatus, err := p.searchStatusByURI(ctx, authed, uri, searchQuery.Resolve); err == nil && foundStatus != nil {
foundStatuses = append(foundStatuses, foundStatus)
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foundOne = true
l.Debug("got a status by searching by URI")
}
// 2. check if it's an account
if foundAccount, err := p.searchAccountByURI(ctx, authed, uri, searchQuery.Resolve); err == nil && foundAccount != nil {
foundAccounts = append(foundAccounts, foundAccount)
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foundOne = true
l.Debug("got an account by searching by URI")
}
}
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if !foundOne {
// we haven't found anything yet so search for text now
l.Debug("nothing found by mention or by URI, will fall back to searching by text now")
}
/*
FROM HERE ON we have our search results, it's just a matter of filtering them according to what this user is allowed to see,
and then converting them into our frontend format.
*/
for _, foundAccount := range foundAccounts {
// make sure there's no block in either direction between the account and the requester
if blocked, err := p.db.IsBlocked(ctx, authed.Account.ID, foundAccount.ID, true); err == nil && !blocked {
// all good, convert it and add it to the results
if acctMasto, err := p.tc.AccountToMastoPublic(ctx, foundAccount); err == nil && acctMasto != nil {
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results.Accounts = append(results.Accounts, *acctMasto)
}
}
}
for _, foundStatus := range foundStatuses {
if visible, err := p.filter.StatusVisible(ctx, foundStatus, authed.Account); !visible || err != nil {
continue
}
statusMasto, err := p.tc.StatusToMasto(ctx, foundStatus, authed.Account)
if err != nil {
continue
}
results.Statuses = append(results.Statuses, *statusMasto)
}
return results, nil
}
func (p *processor) searchStatusByURI(ctx context.Context, authed *oauth.Auth, uri *url.URL, resolve bool) (*gtsmodel.Status, error) {
l := p.log.WithFields(logrus.Fields{
"func": "searchStatusByURI",
"uri": uri.String(),
"resolve": resolve,
})
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if maybeStatus, err := p.db.GetStatusByURI(ctx, uri.String()); err == nil {
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return maybeStatus, nil
} else if maybeStatus, err := p.db.GetStatusByURL(ctx, uri.String()); err == nil {
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return maybeStatus, nil
}
// we don't have it locally so dereference it if we're allowed to
if resolve {
Improve GetRemoteStatus and db.GetStatus() logic (#174) * only fetch status parents / children if explicity requested when dereferencing Signed-off-by: kim (grufwub) <grufwub@gmail.com> * Remove recursive DB GetStatus logic, don't fetch parent unless requested Signed-off-by: kim (grufwub) <grufwub@gmail.com> * StatusCache copies status so there are no thread-safety issues with modified status objects Signed-off-by: kim (grufwub) <grufwub@gmail.com> * remove sqlite test files Signed-off-by: kim (grufwub) <grufwub@gmail.com> * fix bugs introduced by previous commit Signed-off-by: kim (grufwub) <grufwub@gmail.com> * fix not continue on error in loop Signed-off-by: kim (grufwub) <grufwub@gmail.com> * use our own RunInTx implementation (possible fix for nested tx error) Signed-off-by: kim (grufwub) <grufwub@gmail.com> * fix cast statement to work with SQLite Signed-off-by: kim (grufwub) <grufwub@gmail.com> * be less strict about valid status in cache Signed-off-by: kim (grufwub) <grufwub@gmail.com> * add cache=shared ALWAYS for SQLite db instances Signed-off-by: kim (grufwub) <grufwub@gmail.com> * Fix EnrichRemoteAccount when updating account fails Signed-off-by: kim (grufwub) <grufwub@gmail.com> * add nolint tag Signed-off-by: kim (grufwub) <grufwub@gmail.com> * ensure file: prefixes the filename in sqlite addr Signed-off-by: kim (grufwub) <grufwub@gmail.com> * add an account cache, add status author account from db Signed-off-by: kim (grufwub) <grufwub@gmail.com> * Fix incompatible SQLite query Signed-off-by: kim (grufwub) <grufwub@gmail.com> * *actually* use the new getAccount() function in accountsDB Signed-off-by: kim (grufwub) <grufwub@gmail.com> * update cache tests to use test suite Signed-off-by: kim (grufwub) <grufwub@gmail.com> * add RelationshipTestSuite, add tests for methods with changed SQL Signed-off-by: kim (grufwub) <grufwub@gmail.com>
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status, _, _, err := p.federator.GetRemoteStatus(ctx, authed.Account.Username, uri, true, false, false)
if err == nil {
if err := p.federator.DereferenceRemoteThread(ctx, authed.Account.Username, uri); err != nil {
// try to deref the thread while we're here
l.Debugf("searchStatusByURI: error dereferencing remote thread: %s", err)
}
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return status, nil
}
}
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return nil, nil
}
func (p *processor) searchAccountByURI(ctx context.Context, authed *oauth.Auth, uri *url.URL, resolve bool) (*gtsmodel.Account, error) {
if maybeAccount, err := p.db.GetAccountByURI(ctx, uri.String()); err == nil {
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return maybeAccount, nil
} else if maybeAccount, err := p.db.GetAccountByURL(ctx, uri.String()); err == nil {
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return maybeAccount, nil
}
if resolve {
// we don't have it locally so try and dereference it
account, _, err := p.federator.GetRemoteAccount(ctx, authed.Account.Username, uri, true)
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if err != nil {
return nil, fmt.Errorf("searchAccountByURI: error dereferencing account with uri %s: %s", uri.String(), err)
}
return account, nil
}
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return nil, nil
}
func (p *processor) searchAccountByMention(ctx context.Context, authed *oauth.Auth, mention string, resolve bool) (*gtsmodel.Account, error) {
// query is for a remote account
username, domain, err := util.ExtractMentionParts(mention)
if err != nil {
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return nil, fmt.Errorf("searchAccountByMention: error extracting mention parts: %s", err)
}
// if it's a local account we can skip a whole bunch of stuff
maybeAcct := &gtsmodel.Account{}
if domain == p.config.Host {
maybeAcct, err = p.db.GetLocalAccountByUsername(ctx, username)
if err != nil {
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return nil, fmt.Errorf("searchAccountByMention: error getting local account by username: %s", err)
}
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return maybeAcct, nil
}
// it's not a local account so first we'll check if it's in the database already...
where := []db.Where{
{Key: "username", Value: username, CaseInsensitive: true},
{Key: "domain", Value: domain, CaseInsensitive: true},
}
err = p.db.GetWhere(ctx, where, maybeAcct)
if err == nil {
// we've got it stored locally already!
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return maybeAcct, nil
}
if err != db.ErrNoEntries {
// if it's not errNoEntries there's been a real database error so bail at this point
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return nil, fmt.Errorf("searchAccountByMention: database error: %s", err)
}
// we got a db.ErrNoEntries, so we just don't have the account locally stored -- check if we can dereference it
if resolve {
// we're allowed to resolve it so let's try
// first we need to webfinger the remote account to convert the username and domain into the activitypub URI for the account
acctURI, err := p.federator.FingerRemoteAccount(ctx, authed.Account.Username, username, domain)
if err != nil {
// something went wrong doing the webfinger lookup so we can't process the request
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return nil, fmt.Errorf("searchAccountByMention: error fingering remote account with username %s and domain %s: %s", username, domain, err)
}
// we don't have it locally so try and dereference it
account, _, err := p.federator.GetRemoteAccount(ctx, authed.Account.Username, acctURI, true)
if err != nil {
return nil, fmt.Errorf("searchAccountByMention: error dereferencing account with uri %s: %s", acctURI.String(), err)
}
return account, nil
}
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return nil, nil
}