[bugfix/frontend] Don't show replies to hidden parents; return 404 if no "main" thread (#3411)

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tobi 2024-10-09 12:33:53 +02:00 committed by GitHub
parent 1bc59a0a33
commit a69142a403
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@ -19,6 +19,7 @@
import (
"context"
"errors"
"slices"
"strings"
@ -402,6 +403,10 @@ func (p *Processor) WebContextGet(
// We should mark the next **VISIBLE**
// reply as the first reply.
markNextVisibleAsFirstReply bool
// Map of statuses that didn't pass visi
// checks and won't be shown via the web.
hiddenStatuses = make(map[string]struct{})
)
for idx, status := range wholeThread {
@ -427,11 +432,16 @@ func (p *Processor) WebContextGet(
}
}
// Ensure status is actually
// visible to just anyone, and
// hide / don't include it if not.
// Ensure status is actually visible to just
// anyone, and hide / don't include it if not.
//
// Include a check to see if the parent status
// is hidden; if so, we shouldn't show the child
// as it leads to weird-looking threading where
// a status seems to reply to nothing.
_, parentHidden := hiddenStatuses[status.InReplyToID]
v, err := p.visFilter.StatusVisible(ctx, nil, status)
if err != nil || !v {
if err != nil || !v || parentHidden {
if !inReplies {
// Main thread entry hidden.
wCtx.ThreadHidden++
@ -439,12 +449,15 @@ func (p *Processor) WebContextGet(
// Reply hidden.
wCtx.ThreadRepliesHidden++
}
hiddenStatuses[status.ID] = struct{}{}
continue
}
// Prepare visible status to add to thread context.
webStatus, err := p.converter.StatusToWebStatus(ctx, status)
if err != nil {
hiddenStatuses[status.ID] = struct{}{}
continue
}
@ -512,9 +525,17 @@ func (p *Processor) WebContextGet(
wCtx.ThreadLength = threadLength
}
// Jot down number of hidden posts so template doesn't have to do it.
// Jot down number of "main" thread entries shown.
wCtx.ThreadShown = wCtx.ThreadLength - wCtx.ThreadHidden
// If there's no posts visible in the
// "main" thread we shouldn't show replies
// via the web as that's just weird.
if wCtx.ThreadShown < 1 {
const text = "no statuses visible in main thread"
return nil, gtserror.NewErrorNotFound(errors.New(text))
}
// Mark the last "main" visible status.
wCtx.Statuses[wCtx.ThreadShown-1].ThreadLastMain = true
@ -523,7 +544,7 @@ func (p *Processor) WebContextGet(
// part of the "main" thread.
wCtx.ThreadReplies = threadLength - wCtx.ThreadLength
// Jot down number of hidden replies so template doesn't have to do it.
// Jot down number of "replies" shown.
wCtx.ThreadRepliesShown = wCtx.ThreadReplies - wCtx.ThreadRepliesHidden
// Return the finished context.