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sillyness

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This commit is contained in:
tobi 2025-04-06 13:53:36 +02:00
commit 79132d47cc
1 changed files with 59 additions and 42 deletions
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101
internal/federation/dereferencing/status.go
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@ -672,7 +672,7 @@ func (d *Dereferencer) fetchStatusMentions(
// Search existing status for a mention already stored,
// else ensure new mention's target account is populated.
mention, alreadyExists, err = d.getPopulatedMention(ctx,
mention, alreadyExists, err = d.populateMentionTarget(ctx,
requestUser,
existing,
mention,
@ -1291,7 +1291,7 @@ func (d *Dereferencer) handleStatusEdit(
return cols, nil
}
// getPopulatedMention tries to populate the given
// populateMentionTarget tries to populate the given
// mention with the correct TargetAccount and (if not
// yet set) TargetAccountURI, returning the populated
// mention.
@ -1303,7 +1303,13 @@ func (d *Dereferencer) handleStatusEdit(
// Otherwise, this function will try to parse first
// the Href of the mention, and then the namestring,
// to see who it targets, and go fetch that account.
func (d *Dereferencer) getPopulatedMention(
//
// Note: Ordinarily it would make sense to try the
// namestring first, as it definitely can't be a URL
// rather than a URI, but because some remotes do
// silly things like only provide `@username` instead
// of `@username@domain`, we try by URI first.
func (d *Dereferencer) populateMentionTarget(
ctx context.Context,
requestUser string,
existing *gtsmodel.Status,
@ -1313,17 +1319,41 @@ func (d *Dereferencer) getPopulatedMention(
bool, // True if mention already exists in the DB.
error,
) {
// Mentions can be created using `name` or `href`,
// and when mention was extracted, we ensured that
// one of either `name` or `href` was set.
// Mentions can be created using `name` or `href`.
//
// Prefer to deref the mention target using `name`,
// which should always be exact. and fall back to `href`,
// which *should* be the target's URI, but may be the URL
// depending on implementation.
if mention.NameString != "" {
// Prefer `href` (TargetAccountURI), fall back to Name.
if mention.TargetAccountURI != "" {
// Extract the username and domain parts from namestring.
// Look for existing mention with target account's URI, if so use this.
existingMention, ok := existing.GetMentionByTargetURI(mention.TargetAccountURI)
if ok && existingMention.ID != "" {
return existingMention, true, nil
}
// Ensure that mention account URI is parseable.
targetAccountURI, err := url.Parse(mention.TargetAccountURI)
if err != nil {
err := gtserror.Newf("invalid account uri %q: %w", mention.TargetAccountURI, err)
return nil, false, err
}
// Ensure we have the account of
// the mention target dereferenced.
//
// Use exact URI match only, not URL,
// as we want to be precise here.
mention.TargetAccount, _, err = d.getAccountByURI(ctx,
requestUser,
targetAccountURI,
false,
)
if err != nil {
err := gtserror.Newf("failed to dereference account %s: %w", targetAccountURI, err)
return nil, false, err
}
} else {
// Href wasn't set, extract the username and domain parts from namestring.
username, domain, err := util.ExtractNamestringParts(mention.NameString)
if err != nil {
err := gtserror.Newf("failed to parse namestring %s: %w", mention.NameString, err)
@ -1336,50 +1366,37 @@ func (d *Dereferencer) getPopulatedMention(
return existingMention, true, nil
}
// Ensure we have the account of the mention target dereferenced.
// Ensure we have the account of
// the mention target dereferenced.
//
// This might fail if the remote does
// something silly like only setting
// `@username` and not `@username@domain`.
mention.TargetAccount, _, err = d.getAccountByUsernameDomain(ctx,
requestUser,
username,
domain,
)
if err != nil {
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err := gtserror.Newf("failed to dereference account %s: %w", mention.NameString, err)
return nil, false, err
}
if mention.TargetAccount == nil {
// Probably failed for abovementioned
// silly reason. Nothing we can do about it.
err := gtserror.Newf(
"failed to populate mention target account (badly formatted namestring?) %s: %w",
mention.NameString, err,
)
return nil, false, err
}
// Look for existing mention with target account's URI, if so use this.
existingMention, ok = existing.GetMentionByTargetURI(mention.TargetAccountURI)
if ok && existingMention.ID != "" {
return existingMention, true, nil
}
} else {
// Name wasn't set.
//
// Look for existing mention with target account's URI, if so use this.
existingMention, ok := existing.GetMentionByTargetURI(mention.TargetAccountURI)
if ok && existingMention.ID != "" {
return existingMention, true, nil
}
// Ensure that mention account URI is parseable.
accountURI, err := url.Parse(mention.TargetAccountURI)
if err != nil {
err := gtserror.Newf("invalid account uri %q: %w", mention.TargetAccountURI, err)
return nil, false, err
}
// Ensure we have account of the mention target dereferenced.
// Don't allow imprecise URL here, we want the exact acct.
mention.TargetAccount, _, err = d.getAccountByURI(ctx,
requestUser,
accountURI,
false,
)
if err != nil {
err := gtserror.Newf("failed to dereference account %s: %w", accountURI, err)
return nil, false, err
}
}
// At this point, mention.TargetAccountURI