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Timeline improvements (#41)

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Tidying up.
Parent/child statuses now display correctly in status/id/context.
This commit is contained in:
Tobi Smethurst
2021-06-17 18:02:33 +02:00
committed by GitHub
parent b4288f3c47
commit 82d9f88e42
39 changed files with 739 additions and 602 deletions
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258
internal/db/pg/pg.go
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@@ -806,196 +806,27 @@ func (ps *postgresService) GetRelationship(requestingAccount string, targetAccou
return r, nil
}
func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, requestingAccount *gtsmodel.Account, relevantAccounts *gtsmodel.RelevantAccounts) (bool, error) {
l := ps.log.WithField("func", "StatusVisible")
targetAccount := relevantAccounts.StatusAuthor
// if target account is suspended then don't show the status
if !targetAccount.SuspendedAt.IsZero() {
l.Trace("target account suspended at is not zero")
return false, nil
}
// if the target user doesn't exist (anymore) then the status also shouldn't be visible
// note: we only do this for local users
if targetAccount.Domain == "" {
targetUser := &gtsmodel.User{}
if err := ps.conn.Model(targetUser).Where("account_id = ?", targetAccount.ID).Select(); err != nil {
l.Debug("target user could not be selected")
if err == pg.ErrNoRows {
return false, db.ErrNoEntries{}
}
return false, err
}
// if target user is disabled, not yet approved, or not confirmed then don't show the status
// (although in the latter two cases it's unlikely they posted a status yet anyway, but you never know!)
if targetUser.Disabled || !targetUser.Approved || targetUser.ConfirmedAt.IsZero() {
l.Trace("target user is disabled, not approved, or not confirmed")
return false, nil
}
}
// If requesting account is nil, that means whoever requested the status didn't auth, or their auth failed.
// In this case, we can still serve the status if it's public, otherwise we definitely shouldn't.
if requestingAccount == nil {
if targetStatus.Visibility == gtsmodel.VisibilityPublic {
return true, nil
}
l.Trace("requesting account is nil but the target status isn't public")
return false, nil
}
// if requesting account is suspended then don't show the status -- although they probably shouldn't have gotten
// this far (ie., been authed) in the first place: this is just for safety.
if !requestingAccount.SuspendedAt.IsZero() {
l.Trace("requesting account is suspended")
return false, nil
}
// check if we have a local account -- if so we can check the user for that account in the DB
if requestingAccount.Domain == "" {
requestingUser := &gtsmodel.User{}
if err := ps.conn.Model(requestingUser).Where("account_id = ?", requestingAccount.ID).Select(); err != nil {
// if the requesting account is local but doesn't have a corresponding user in the db this is a problem
if err == pg.ErrNoRows {
l.Debug("requesting account is local but there's no corresponding user")
return false, nil
}
l.Debugf("requesting account is local but there was an error getting the corresponding user: %s", err)
return false, err
}
// okay, user exists, so make sure it has full privileges/is confirmed/approved
if requestingUser.Disabled || !requestingUser.Approved || requestingUser.ConfirmedAt.IsZero() {
l.Trace("requesting account is local but corresponding user is either disabled, not approved, or not confirmed")
return false, nil
}
}
// if the target status belongs to the requesting account, they should always be able to view it at this point
if targetStatus.AccountID == requestingAccount.ID {
return true, nil
}
// At this point we have a populated targetAccount, targetStatus, and requestingAccount, so we can check for blocks and whathaveyou
// First check if a block exists directly between the target account (which authored the status) and the requesting account.
if blocked, err := ps.Blocked(targetAccount.ID, requestingAccount.ID); err != nil {
l.Debugf("something went wrong figuring out if the accounts have a block: %s", err)
return false, err
} else if blocked {
// don't allow the status to be viewed if a block exists in *either* direction between these two accounts, no creepy stalking please
l.Trace("a block exists between requesting account and target account")
return false, nil
}
// check other accounts mentioned/boosted by/replied to by the status, if they exist
if relevantAccounts != nil {
// status replies to account id
if relevantAccounts.ReplyToAccount != nil && relevantAccounts.ReplyToAccount.ID != requestingAccount.ID {
if blocked, err := ps.Blocked(relevantAccounts.ReplyToAccount.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Trace("a block exists between requesting account and reply to account")
return false, nil
}
// check reply to ID
if targetStatus.InReplyToID != "" {
followsRepliedAccount, err := ps.Follows(requestingAccount, relevantAccounts.ReplyToAccount)
if err != nil {
return false, err
}
if !followsRepliedAccount {
l.Trace("target status is a followers-only reply to an account that is not followed by the requesting account")
return false, nil
}
}
}
// status boosts accounts id
if relevantAccounts.BoostedAccount != nil {
if blocked, err := ps.Blocked(relevantAccounts.BoostedAccount.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Trace("a block exists between requesting account and boosted account")
return false, nil
}
}
// status boosts a reply to account id
if relevantAccounts.BoostedReplyToAccount != nil {
if blocked, err := ps.Blocked(relevantAccounts.BoostedReplyToAccount.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Trace("a block exists between requesting account and boosted reply to account")
return false, nil
}
}
// status mentions accounts
for _, a := range relevantAccounts.MentionedAccounts {
if blocked, err := ps.Blocked(a.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Trace("a block exists between requesting account and a mentioned account")
return false, nil
}
}
// if the requesting account is mentioned in the status it should always be visible
for _, acct := range relevantAccounts.MentionedAccounts {
if acct.ID == requestingAccount.ID {
return true, nil // yep it's mentioned!
}
}
}
// at this point we know neither account blocks the other, or another account mentioned or otherwise referred to in the status
// that means it's now just a matter of checking the visibility settings of the status itself
switch targetStatus.Visibility {
case gtsmodel.VisibilityPublic, gtsmodel.VisibilityUnlocked:
// no problem here, just return OK
return true, nil
case gtsmodel.VisibilityFollowersOnly:
// check one-way follow
follows, err := ps.Follows(requestingAccount, targetAccount)
if err != nil {
return false, err
}
if !follows {
l.Trace("requested status is followers only but requesting account is not a follower")
return false, nil
}
return true, nil
case gtsmodel.VisibilityMutualsOnly:
// check mutual follow
mutuals, err := ps.Mutuals(requestingAccount, targetAccount)
if err != nil {
return false, err
}
if !mutuals {
l.Trace("requested status is mutuals only but accounts aren't mufos")
return false, nil
}
return true, nil
case gtsmodel.VisibilityDirect:
l.Trace("requesting account requests a status it's not mentioned in")
return false, nil // it's not mentioned -_-
}
return false, errors.New("reached the end of StatusVisible with no result")
}
func (ps *postgresService) Follows(sourceAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (bool, error) {
if sourceAccount == nil || targetAccount == nil {
return false, nil
}
return ps.conn.Model(&gtsmodel.Follow{}).Where("account_id = ?", sourceAccount.ID).Where("target_account_id = ?", targetAccount.ID).Exists()
}
func (ps *postgresService) FollowRequested(sourceAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (bool, error) {
if sourceAccount == nil || targetAccount == nil {
return false, nil
}
return ps.conn.Model(&gtsmodel.FollowRequest{}).Where("account_id = ?", sourceAccount.ID).Where("target_account_id = ?", targetAccount.ID).Exists()
}
func (ps *postgresService) Mutuals(account1 *gtsmodel.Account, account2 *gtsmodel.Account) (bool, error) {
if account1 == nil || account2 == nil {
return false, nil
}
// make sure account 1 follows account 2
f1, err := ps.conn.Model(&gtsmodel.Follow{}).Where("account_id = ?", account1.ID).Where("target_account_id = ?", account2.ID).Exists()
if err != nil {
@@ -1017,71 +848,6 @@ func (ps *postgresService) Mutuals(account1 *gtsmodel.Account, account2 *gtsmode
return f1 && f2, nil
}
func (ps *postgresService) PullRelevantAccountsFromStatus(targetStatus *gtsmodel.Status) (*gtsmodel.RelevantAccounts, error) {
accounts := &gtsmodel.RelevantAccounts{
MentionedAccounts: []*gtsmodel.Account{},
}
// get the author account
if targetStatus.GTSAuthorAccount == nil {
statusAuthor := &gtsmodel.Account{}
if err := ps.conn.Model(statusAuthor).Where("id = ?", targetStatus.AccountID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting statusAuthor with id %s: %s", targetStatus.AccountID, err)
}
targetStatus.GTSAuthorAccount = statusAuthor
}
accounts.StatusAuthor = targetStatus.GTSAuthorAccount
// get the replied to account from the status and add it to the pile
if targetStatus.InReplyToAccountID != "" {
repliedToAccount := &gtsmodel.Account{}
if err := ps.conn.Model(repliedToAccount).Where("id = ?", targetStatus.InReplyToAccountID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting repliedToAcount with id %s: %s", targetStatus.InReplyToAccountID, err)
}
accounts.ReplyToAccount = repliedToAccount
}
// get the boosted account from the status and add it to the pile
if targetStatus.BoostOfID != "" {
// retrieve the boosted status first
boostedStatus := &gtsmodel.Status{}
if err := ps.conn.Model(boostedStatus).Where("id = ?", targetStatus.BoostOfID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting boostedStatus with id %s: %s", targetStatus.BoostOfID, err)
}
boostedAccount := &gtsmodel.Account{}
if err := ps.conn.Model(boostedAccount).Where("id = ?", boostedStatus.AccountID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting boostedAccount with id %s: %s", boostedStatus.AccountID, err)
}
accounts.BoostedAccount = boostedAccount
// the boosted status might be a reply to another account so we should get that too
if boostedStatus.InReplyToAccountID != "" {
boostedStatusRepliedToAccount := &gtsmodel.Account{}
if err := ps.conn.Model(boostedStatusRepliedToAccount).Where("id = ?", boostedStatus.InReplyToAccountID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting boostedStatusRepliedToAccount with id %s: %s", boostedStatus.InReplyToAccountID, err)
}
accounts.BoostedReplyToAccount = boostedStatusRepliedToAccount
}
}
// now get all accounts with IDs that are mentioned in the status
for _, mentionID := range targetStatus.Mentions {
mention := &gtsmodel.Mention{}
if err := ps.conn.Model(mention).Where("id = ?", mentionID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting mention with id %s: %s", mentionID, err)
}
mentionedAccount := &gtsmodel.Account{}
if err := ps.conn.Model(mentionedAccount).Where("id = ?", mention.TargetAccountID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting mentioned account: %s", err)
}
accounts.MentionedAccounts = append(accounts.MentionedAccounts, mentionedAccount)
}
return accounts, nil
}
func (ps *postgresService) GetReplyCountForStatus(status *gtsmodel.Status) (int, error) {
return ps.conn.Model(&gtsmodel.Status{}).Where("in_reply_to_id = ?", status.ID).Count()
}