// updateDeletesCache updates the index deletes cache with the cl delete claim.
// deleteClaim is trusted to be a valid delete Claim.
func (x *Index) updateDeletesCache(deleteClaim schema.Claim) error {
target := deleteClaim.Target()
deleter := deleteClaim.Blob()
when, err := deleter.ClaimDate()
if err != nil {
return fmt.Errorf("Could not get date of delete claim %v: %v", deleteClaim, err)
}
targetDeletions := append(x.deletes.m[target],
deletion{
deleter: deleter.BlobRef(),
when: when,
})
sort.Sort(sort.Reverse(byDeletionDate(targetDeletions)))
x.deletes.m[target] = targetDeletions
return nil
}
// updateDeletes updates the corpus deletes with the delete claim deleteClaim.
// deleteClaim is trusted to be a valid delete Claim.
func (c *Corpus) updateDeletes(deleteClaim schema.Claim) error {
target := c.br(deleteClaim.Target())
deleter := deleteClaim.Blob()
when, err := deleter.ClaimDate()
if err != nil {
return fmt.Errorf("Could not get date of delete claim %v: %v", deleteClaim, err)
}
del := deletion{
deleter: c.br(deleter.BlobRef()),
when: when,
}
for _, v := range c.deletes[target] {
if v == del {
return nil
}
}
targetDeletions := append(c.deletes[target], del)
sort.Sort(sort.Reverse(byDeletionDate(targetDeletions)))
c.deletes[target] = targetDeletions
return nil
}
// populateDeleteClaim adds to mm the entries resulting from the delete claim cl.
// It is assumed cl is a valid claim, and vr has already been verified.
func (ix *Index) populateDeleteClaim(cl schema.Claim, vr *jsonsign.VerifyRequest, mm *mutationMap) error {
br := cl.Blob().BlobRef()
target := cl.Target()
if !target.Valid() {
log.Print(fmt.Errorf("no valid target for delete claim %v", br))
return nil
}
meta, err := ix.GetBlobMeta(target)
if err != nil {
if err == os.ErrNotExist {
if err := ix.noteNeeded(br, target); err != nil {
return fmt.Errorf("could not note that delete claim %v depends on %v: %v", br, target, err)
}
return errMissingDep
}
log.Print(fmt.Errorf("Could not get mime type of target blob %v: %v", target, err))
return nil
}
// TODO(mpl): create consts somewhere for "claim" and "permanode" as camliTypes, and use them,
// instead of hardcoding. Unless they already exist ? (didn't find them).
if meta.CamliType != "permanode" && meta.CamliType != "claim" {
log.Print(fmt.Errorf("delete claim target in %v is neither a permanode nor a claim: %v", br, meta.CamliType))
return nil
}
mm.Set(keyDeleted.Key(target, cl.ClaimDateString(), br), "")
if meta.CamliType == "claim" {
return nil
}
recentKey := keyRecentPermanode.Key(vr.SignerKeyId, cl.ClaimDateString(), br)
mm.Set(recentKey, target.String())
attr, value := cl.Attribute(), cl.Value()
claimKey := keyPermanodeClaim.Key(target, vr.SignerKeyId, cl.ClaimDateString(), br)
mm.Set(claimKey, keyPermanodeClaim.Val(cl.ClaimType(), attr, value, vr.CamliSigner))
return nil
}