mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-08 14:36:32 +01:00
33aee1b1e9
* reformat GetAccount() functionality, and add UpdateAccount() function.
* use fetched_at instead of last_webfingered_at
* catch local "not found" errors. small formatting / error string changes
* remove now unused error type
* return nil when wrapping nil error
* update expected error messages
* return correct url for foss satan webfinger
* add AP model for Some_User
* normalize local domain
* return notretrievable where appropriate
* expose NewErrNotRetrievable
* ensure webfinger for new accounts searched by uri
* update local account short circuit
* allow enrich to fail for already-known accounts
* remove unused LastWebfingeredAt
* expose test maps on mock http client
* update Update test
* reformat GetAccount() functionality, and add UpdateAccount() function.
* use fetched_at instead of last_webfingered_at
* catch local "not found" errors. small formatting / error string changes
* remove nil error checks (we shouldn't be passing nil errors to newError() initializers)
* remove mutex unlock on transport init fail (it hasn't yet been locked!)
* woops add back the error wrapping to use ErrNotRetrievable
* caches were never being started... 🙈
---------
Signed-off-by: kim <grufwub@gmail.com>
Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>
282 lines
9.7 KiB
Go
282 lines
9.7 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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package processing
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import (
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"context"
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"errors"
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"fmt"
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"net/url"
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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/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing"
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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/oauth"
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"github.com/superseriousbusiness/gotosocial/internal/transport"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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)
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// Implementation note: in this function, we tend to log errors
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// at debug level rather than return them. This is because the
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// search has a sort of fallthrough logic: if we can't get a result
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// with x search, we should try with y search rather than returning.
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//
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// If we get to the end and still haven't found anything, even then
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// we shouldn't return an error, just return an empty search result.
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//
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// The only exception to this is when we get a malformed query, in
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// which case we return a bad request error so the user knows they
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// did something funky.
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func (p *processor) SearchGet(ctx context.Context, authed *oauth.Auth, search *apimodel.SearchQuery) (*apimodel.SearchResult, gtserror.WithCode) {
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// tidy up the query and make sure it wasn't just spaces
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query := strings.TrimSpace(search.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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l := log.WithFields(kv.Fields{{"query", query}}...)
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searchResult := &apimodel.SearchResult{
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Accounts: []apimodel.Account{},
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Statuses: []apimodel.Status{},
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Hashtags: []apimodel.Tag{},
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}
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// currently the search will only ever return one result,
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// so return nothing if the offset is greater than 0
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if search.Offset > 0 {
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return searchResult, nil
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}
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foundAccounts := []*gtsmodel.Account{}
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foundStatuses := []*gtsmodel.Status{}
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var foundOne bool
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/*
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SEARCH BY MENTION
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check if the query is something like @whatever_username@example.org -- this means it's likely a remote account
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*/
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maybeNamestring := query
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if maybeNamestring[0] != '@' {
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maybeNamestring = "@" + maybeNamestring
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}
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if username, domain, err := util.ExtractNamestringParts(maybeNamestring); err == nil {
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l.Trace("search term is a mention, looking it up...")
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foundAccount, err := p.searchAccountByUsernameDomain(ctx, authed, username, domain, search.Resolve)
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if err != nil {
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var errNotRetrievable *dereferencing.ErrNotRetrievable
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if !errors.As(err, &errNotRetrievable) {
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// return a proper error only if it wasn't just not retrievable
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error looking up account: %w", err))
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}
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return searchResult, nil
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}
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foundAccounts = append(foundAccounts, foundAccount)
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foundOne = true
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l.Trace("got an account by searching by mention")
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}
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/*
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SEARCH BY URI
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check if the query is a URI with a recognizable scheme and dereference it
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*/
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if !foundOne {
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if uri, err := url.Parse(query); err == nil {
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if uri.Scheme == "https" || uri.Scheme == "http" {
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l.Trace("search term is a uri, looking it up...")
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// check if it's a status...
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foundStatus, err := p.searchStatusByURI(ctx, authed, uri)
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if err != nil {
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var (
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errNotRetrievable *dereferencing.ErrNotRetrievable
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errWrongType *dereferencing.ErrWrongType
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)
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if !errors.As(err, &errNotRetrievable) && !errors.As(err, &errWrongType) {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error looking up status: %w", err))
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}
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} else {
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foundStatuses = append(foundStatuses, foundStatus)
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foundOne = true
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l.Trace("got a status by searching by URI")
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}
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// ... or an account
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if !foundOne {
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foundAccount, err := p.searchAccountByURI(ctx, authed, uri, search.Resolve)
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if err != nil {
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var (
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errNotRetrievable *dereferencing.ErrNotRetrievable
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errWrongType *dereferencing.ErrWrongType
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)
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if !errors.As(err, &errNotRetrievable) && !errors.As(err, &errWrongType) {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error looking up account: %w", err))
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}
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} else {
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foundAccounts = append(foundAccounts, foundAccount)
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foundOne = true
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l.Trace("got an account by searching by URI")
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}
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}
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}
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}
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}
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if !foundOne {
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// we got nothing, we can return early
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l.Trace("found nothing, returning")
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return searchResult, nil
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}
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/*
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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,
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and then converting them into our frontend format.
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*/
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for _, foundAccount := range foundAccounts {
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// make sure there's no block in either direction between the account and the requester
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blocked, err := p.db.IsBlocked(ctx, authed.Account.ID, foundAccount.ID, true)
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if err != nil {
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err = fmt.Errorf("SearchGet: error checking block between %s and %s: %s", authed.Account.ID, foundAccount.ID, err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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if blocked {
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l.Tracef("block exists between %s and %s, skipping this result", authed.Account.ID, foundAccount.ID)
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continue
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}
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apiAcct, err := p.tc.AccountToAPIAccountPublic(ctx, foundAccount)
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if err != nil {
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err = fmt.Errorf("SearchGet: error converting account %s to api account: %s", foundAccount.ID, err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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searchResult.Accounts = append(searchResult.Accounts, *apiAcct)
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}
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for _, foundStatus := range foundStatuses {
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// make sure each found status is visible to the requester
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visible, err := p.filter.StatusVisible(ctx, foundStatus, authed.Account)
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if err != nil {
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err = fmt.Errorf("SearchGet: error checking visibility of status %s for account %s: %s", foundStatus.ID, authed.Account.ID, err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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if !visible {
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l.Tracef("status %s is not visible to account %s, skipping this result", foundStatus.ID, authed.Account.ID)
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continue
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}
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apiStatus, err := p.tc.StatusToAPIStatus(ctx, foundStatus, authed.Account)
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if err != nil {
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err = fmt.Errorf("SearchGet: error converting status %s to api status: %s", foundStatus.ID, err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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searchResult.Statuses = append(searchResult.Statuses, *apiStatus)
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}
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return searchResult, nil
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}
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func (p *processor) searchStatusByURI(ctx context.Context, authed *oauth.Auth, uri *url.URL) (*gtsmodel.Status, error) {
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status, statusable, err := p.federator.GetStatus(transport.WithFastfail(ctx), authed.Account.Username, uri, true, true)
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if err != nil {
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return nil, err
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}
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if !*status.Local && statusable != nil {
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// Attempt to dereference the status thread while we are here
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p.federator.DereferenceThread(transport.WithFastfail(ctx), authed.Account.Username, uri, status, statusable)
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}
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return status, nil
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}
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func (p *processor) searchAccountByURI(ctx context.Context, authed *oauth.Auth, uri *url.URL, resolve bool) (*gtsmodel.Account, error) {
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if !resolve {
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var (
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account *gtsmodel.Account
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err error
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uriStr = uri.String()
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)
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// Search the database for existing account with ID URI.
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account, err = p.db.GetAccountByURI(ctx, uriStr)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return nil, fmt.Errorf("searchAccountByURI: error checking database for account %s: %w", uriStr, err)
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}
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if account == nil {
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// Else, search the database for existing by ID URL.
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account, err = p.db.GetAccountByURL(ctx, uriStr)
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if err != nil {
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if !errors.Is(err, db.ErrNoEntries) {
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return nil, fmt.Errorf("searchAccountByURI: error checking database for account %s: %w", uriStr, err)
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}
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return nil, dereferencing.NewErrNotRetrievable(err)
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}
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}
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return account, nil
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}
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return p.federator.GetAccountByURI(
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transport.WithFastfail(ctx),
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authed.Account.Username,
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uri, false,
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)
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}
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func (p *processor) searchAccountByUsernameDomain(ctx context.Context, authed *oauth.Auth, username string, domain string, resolve bool) (*gtsmodel.Account, error) {
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if !resolve {
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if domain == config.GetHost() || domain == config.GetAccountDomain() {
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// We do local lookups using an empty domain,
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// else it will fail the db search below.
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domain = ""
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}
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// Search the database for existing account with USERNAME@DOMAIN
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account, err := p.db.GetAccountByUsernameDomain(ctx, username, domain)
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if err != nil {
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if !errors.Is(err, db.ErrNoEntries) {
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return nil, fmt.Errorf("searchAccountByUsernameDomain: error checking database for account %s@%s: %w", username, domain, err)
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}
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return nil, dereferencing.NewErrNotRetrievable(err)
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}
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return account, nil
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}
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return p.federator.GetAccountByUsernameDomain(
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transport.WithFastfail(ctx),
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authed.Account.Username,
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username, domain, false,
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)
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}
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