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fiddle with it! (that's what she said)

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tobi 2025-04-06 12:02:26 +02:00
commit 1bfc1aa7d1
10 changed files with 218 additions and 199 deletions
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46
internal/federation/dereferencing/account.go
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@ -89,14 +89,30 @@ func accountFresh(
return !time.Now().After(staleAt)
}
// GetAccountByURI will attempt to fetch an accounts by its URI, first checking the database. In the case of a newly-met remote model, or a remote model
// whose last_fetched date is beyond a certain interval, the account will be dereferenced. In the case of dereferencing, some low-priority account information
// may be enqueued for asynchronous fetching, e.g. featured account statuses (pins). An ActivityPub object indicates the account was dereferenced.
func (d *Dereferencer) GetAccountByURI(ctx context.Context, requestUser string, uri *url.URL) (*gtsmodel.Account, ap.Accountable, error) {
// GetAccountByURI will attempt to fetch an accounts by its
// URI, first checking the database. In the case of a newly-met
// remote model, or a remote model whose last_fetched date is
// beyond a certain interval, the account will be dereferenced.
// In the case of dereferencing, some low-priority account info
// may be enqueued for asynchronous fetching, e.g. pinned statuses.
// An ActivityPub object indicates the account was dereferenced.
//
// if tryURL is true, then the database will also check for a *single*
// account where uri == account.url, not just uri == account.uri.
// Because url does not guarantee uniqueness, you should only set
// tryURL to true when doing searches set in motion by a user,
// ie., when it's not important that an exact account is returned.
func (d *Dereferencer) GetAccountByURI(
ctx context.Context,
requestUser string,
uri *url.URL,
tryURL bool,
) (*gtsmodel.Account, ap.Accountable, error) {
// Fetch and dereference account if necessary.
account, accountable, err := d.getAccountByURI(ctx,
requestUser,
uri,
tryURL,
)
if err != nil {
return nil, nil, err
@ -118,8 +134,15 @@ func (d *Dereferencer) GetAccountByURI(ctx context.Context, requestUser string,
return account, accountable, nil
}
// getAccountByURI is a package internal form of .GetAccountByURI() that doesn't bother dereferencing featured posts on update.
func (d *Dereferencer) getAccountByURI(ctx context.Context, requestUser string, uri *url.URL) (*gtsmodel.Account, ap.Accountable, error) {
// getAccountByURI is a package internal form of
// .GetAccountByURI() that doesn't bother dereferencing
// featured posts on update.
func (d *Dereferencer) getAccountByURI(
ctx context.Context,
requestUser string,
uri *url.URL,
tryURL bool,
) (*gtsmodel.Account, ap.Accountable, error) {
var (
account *gtsmodel.Account
uriStr = uri.String()
@ -127,9 +150,8 @@ func (d *Dereferencer) getAccountByURI(ctx context.Context, requestUser string,
)
// Search the database for existing account with URI.
// URI is unique so if we get a hit it's that account for sure.
account, err = d.state.DB.GetAccountByURI(
// request a barebones object, it may be in the
// db but with related models not yet dereferenced.
gtscontext.SetBarebones(ctx),
uriStr,
)
@ -137,9 +159,11 @@ func (d *Dereferencer) getAccountByURI(ctx context.Context, requestUser string,
return nil, nil, gtserror.Newf("error checking database for account %s by uri: %w", uriStr, err)
}
if account == nil {
// Else, search the database for one account with URL.
// Can return multiple hits so check for ErrMultipleEntries.
if account == nil && tryURL {
// Else if we're permitted, search the database for *ONE*
// account with this URL. This can return multiple hits
// so check for ErrMultipleEntries. If we get exactly one
// hit it's *probably* the account we're looking for.
account, err = d.state.DB.GetOneAccountByURL(
gtscontext.SetBarebones(ctx),
uriStr,