foxwitch.net
1package validator
2
3import (
4 "fmt"
5 "strings"
6
7 "tangled.sh/tangled.sh/core/appview/db"
8 "tangled.sh/tangled.sh/core/appview/pages/markup"
9)
10
11func (v *Validator) ValidateIssueComment(comment *db.IssueComment) error {
12 // if comments have parents, only ingest ones that are 1 level deep
13 if comment.ReplyTo != nil {
14 parents, err := db.GetIssueComments(v.db, db.FilterEq("at_uri", *comment.ReplyTo))
15 if err != nil {
16 return fmt.Errorf("failed to fetch parent comment: %w", err)
17 }
18 if len(parents) != 1 {
19 return fmt.Errorf("incorrect number of parent comments returned: %d", len(parents))
20 }
21
22 // depth check
23 parent := parents[0]
24 if parent.ReplyTo != nil {
25 return fmt.Errorf("incorrect depth, this comment is replying at depth >1")
26 }
27 }
28
29 sanitizer := markup.NewSanitizer()
30 if sb := strings.TrimSpace(sanitizer.SanitizeDefault(comment.Body)); sb == "" {
31 return fmt.Errorf("body is empty after HTML sanitization")
32 }
33
34 return nil
35}