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[bugfix] 2643 bug search for account url doesnt always work when redirected (#2673)

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* update activity library so dereferencer returns full response and checks *final* link to allow for redirects

* temporarily add bodged fixed library

* remove unused code

* update getAccountFeatured() to use dereferenceCollectionPage()

* make sure to release map

* perform a 2nd decode to ensure reader is empty after primary decode

* add comment explaining choice of using Decode() instead of Unmarshal()

* update embedded activity library to latest matching https://github.com/superseriousbusiness/activity/pull/21

* add checks to look for changed URI and re-check database if redirected

* update max iteration count to 512, add checks during dereferenceAncestors() for indirect URLs

* remove doubled-up code

* fix use of status instead of current

* use URIs for checking equality for security

* use the latest known URI for boost_of_uri in case original was an indirect

* add dereferenceCollection() function for dereferenceAccountFeatured()

* pull in latest github.com/superseriousbusiness/activity version (and remove the bodge!!)

* fix typo in code comments

* update decodeType() to accept a readcloser and handle body closing

* switch to checking using BoostOfID and add note why not using BoostOfURI

* ensure InReplyTo gets unset when deleting status parent in case currently stubbed

* add tests for Collection and CollectionPage iterators
This commit is contained in:
kim
2024-02-23 15:24:40 +00:00
committed by GitHub
parent 37a39b98ce
commit 1d51e3c8d6
25 changed files with 814 additions and 282 deletions
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43
internal/federation/dereferencing/status.go
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@@ -393,16 +393,51 @@ func (d *Dereferencer) enrichStatus(
if apubStatus == nil {
// Dereference latest version of the status.
b, err := tsport.Dereference(ctx, uri)
rsp, err := tsport.Dereference(ctx, uri)
if err != nil {
err := gtserror.Newf("error dereferencing %s: %w", uri, err)
return nil, nil, gtserror.SetUnretrievable(err)
}
// Attempt to resolve ActivityPub status from data.
apubStatus, err = ap.ResolveStatusable(ctx, b)
// Attempt to resolve ActivityPub status from response.
apubStatus, err = ap.ResolveStatusable(ctx, rsp.Body)
// Tidy up now done.
_ = rsp.Body.Close()
if err != nil {
return nil, nil, gtserror.Newf("error resolving statusable from data for account %s: %w", uri, err)
// ResolveStatusable will set gtserror.WrongType
// on the returned error, so we don't need to do it here.
err = gtserror.Newf("error resolving statusable %s: %w", uri, err)
return nil, nil, err
}
// Check whether input URI and final returned URI
// have changed (i.e. we followed some redirects).
if finalURIStr := rsp.Request.URL.String(); //
finalURIStr != uri.String() {
// NOTE: this URI check + database call is performed
// AFTER reading and closing response body, for performance.
//
// Check whether we have this status stored under *final* URI.
alreadyStatus, err := d.state.DB.GetStatusByURI(ctx, finalURIStr)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, nil, gtserror.Newf("db error getting status after redirects: %w", err)
}
if alreadyStatus != nil {
// We had this status stored
// under discovered final URI.
//
// Proceed with this status.
status = alreadyStatus
}
// Update the input URI to
// the final determined URI
// for later URI checks.
uri = rsp.Request.URL
}
}