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start reworking getRemoteAccount a bit

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This commit is contained in:
tsmethurst 2022-05-30 18:45:38 +02:00
parent af018e42c0
commit c746b00731
1 changed files with 49 additions and 54 deletions
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103
internal/federation/dereferencing/account.go
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@ -47,71 +47,66 @@ func instanceAccount(account *gtsmodel.Account) bool {
}
// GetRemoteAccountParams wraps parameters for a remote account lookup.
//
// RequestingUsername: the username of the user doing the lookup request (optional).
// If not set, then the GtS instance account will be used to do the lookup.
//
// RemoteAccountID: the ActivityPub URI of the remote account (optional).
// If not set, the ActivityPub URI of the remote account will be discovered
// via webfinger, so you must set RemoteAccountUsername and RemoteAccountDomain
// if this parameter is not set.
//
// RemoteAccountUsername: the username of the remote account (optional).
// If RemoteAccountID is not set, then this value must be set.
//
// RemoteAccountDomain: the domain of the remote account (optional).
// If RemoteAccountID is not set, then this value must be set.
//
// Blocking: whether to do a blocking call to the remote instance. If true,
// then the account's media and other fields will be fully dereferenced before it is returned.
// If false, then the account's media and other fields will be dereferenced in the background,
// so only a minimal account representation will be returned by GetRemoteAccount.
//
// Refresh: whether to refresh the account by performing dereferencing all over again.
// If true, the account will be updated and returned.
// If false, and the account already exists in the database, then that will be returned instead.
type GetRemoteAccountParams struct {
RequestingUsername string
RemoteAccountID *url.URL
// The username of the user doing the lookup request (optional).
// If not set, then the GtS instance account will be used to do the lookup.
RequestingUsername string
// The ActivityPub URI of the remote account (optional).
// If not set, the ActivityPub URI of the remote account will be discovered
// via webfinger, so you must set RemoteAccountUsername and RemoteAccountHost
// if this parameter is not set.
RemoteAccountID *url.URL
// The username of the remote account (optional).
// If RemoteAccountID is not set, then this value must be set.
RemoteAccountUsername string
RemoteAccountDomain string
Blocking bool
Refresh bool
// The host of the remote account (optional).
// If RemoteAccountID is not set, then this value must be set.
RemoteAccountHost string
// Whether to do a blocking call to the remote instance. If true,
// then the account's media and other fields will be fully dereferenced before it is returned.
// If false, then the account's media and other fields will be dereferenced in the background,
// so only a minimal account representation will be returned by GetRemoteAccount.
Blocking bool
// Whether to refresh the account by performing dereferencing all over again.
// If true, the account will be updated and returned.
// If false, and the account already exists in the database, then that will be returned instead.
Refresh bool
}
// GetRemoteAccount completely dereferences a remote account, converts it to a GtS model account,
// puts it in the database, and returns it to a caller.
//
// Refresh indicates whether--if the account exists in our db already--it should be refreshed by calling
// the remote instance again. Blocking indicates whether the function should block until processing of
// the fetched account is complete.
//
// SIDE EFFECTS: remote account will be stored in the database, or updated if it already exists (and refresh is true).
// puts or updates it in the database (if necessary), and returns it to a caller.
func (d *deref) GetRemoteAccount(ctx context.Context, params GetRemoteAccountParams) (*gtsmodel.Account, error) {
// check for sensible params
if params.RemoteAccountID == nil && (params.RemoteAccountUsername == "" || params.RemoteAccountHost == "") {
return nil, errors.New("GetRemoteAccount: RemoteAccountID wasn't set, and RemoteAccountUsername/RemoteAccountHost weren't set either, so a lookup couldn't be performed")
}
new := true
// check if we already have the account in our db, and just return it unless we'd doing a refresh
remoteAccount, err := d.db.GetAccountByURI(ctx, remoteAccountID.String())
if err == nil {
new = false
if !refresh {
// make sure the account fields are populated before returning:
// even if we're not doing a refresh, the caller might want to block
// until everything is loaded
changed, err := d.populateAccountFields(ctx, remoteAccount, username, refresh, blocking)
if err != nil {
return nil, fmt.Errorf("GetRemoteAccount: error populating remoteAccount fields: %s", err)
}
if changed {
updatedAccount, err := d.db.UpdateAccount(ctx, remoteAccount)
if params.RemoteAccountID != nil {
// check if we already have the account in our db, and just return it unless we'd doing a refresh
remoteAccount, err := d.db.GetAccountByURI(ctx, params.RemoteAccountID.String())
if err == nil {
new = false
if !params.Refresh {
// make sure the account fields are populated before returning:
// even if we're not doing a refresh, the caller might want to block
// until everything is loaded
changed, err := d.populateAccountFields(ctx, remoteAccount, params.RequestingUsername, params.Refresh, params.Blocking)
if err != nil {
return nil, fmt.Errorf("GetRemoteAccount: error updating remoteAccount: %s", err)
return nil, fmt.Errorf("GetRemoteAccount: error populating remoteAccount fields: %s", err)
}
return updatedAccount, err
}
return remoteAccount, nil
if changed {
updatedAccount, err := d.db.UpdateAccount(ctx, remoteAccount)
if err != nil {
return nil, fmt.Errorf("GetRemoteAccount: error updating remoteAccount: %s", err)
}
return updatedAccount, err
}
return remoteAccount, nil
}
}
}