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validation: remove invalid characters from message field

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This commit is contained in:
Michael Stapelberg
2020-09-10 10:17:26 +02:00
parent b3cc8c1cc3
commit 8a0bd604bd
1 changed files with 12 additions and 2 deletions
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14
qrbill.go
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@@ -149,6 +149,11 @@ var (
nonNumericRe = regexp.MustCompile(`[^0-9]`) nonNumericRe = regexp.MustCompile(`[^0-9]`)
nonAlphanumericRe = regexp.MustCompile(`[^A-Za-z0-9]`) nonAlphanumericRe = regexp.MustCompile(`[^A-Za-z0-9]`)
nonDecimalRe = regexp.MustCompile(`[^0-9.]`) nonDecimalRe = regexp.MustCompile(`[^0-9.]`)
// The SIX Swiss Implementation Guidelines Reference Standard
// Documentation declares the following regular expression pattern in
// https://validation.iso-payments.ch/gp/projectdata/qrrechnung/deliverables/installed/publishingproject/qr__ch.scm/html/en/0247.htm
ustrdRe = regexp.MustCompile(`([a-zA-Z0-9\.,;:'\+\-/\(\)?\*\[\]\{\}\\` + "`" + `´~ ]|[!"#%&<>÷=@_$£]|[àáâäçèéêëìíîïñòóôöùúûüýßÀÁÂÄÇÈÉÊËÌÍÎÏÒÓÔÖÙÚÛÜÑ])`)
) )
func (q *QRCH) Validate() *QRCH { func (q *QRCH) Validate() *QRCH {
@@ -198,9 +203,14 @@ func (q *QRCH) Validate() *QRCH {
clone.RmtInf.Ref = v[:27] clone.RmtInf.Ref = v[:27]
} }
if v := clone.RmtInf.AddInf.Ustrd; len(v) > 140 { ustrd := clone.RmtInf.AddInf.Ustrd
clone.RmtInf.AddInf.Ustrd = v[:140] matches := ustrdRe.FindAllString(ustrd, -1)
ustrd = strings.Join(matches, "")
if len(ustrd) > 140 {
ustrd = ustrd[:140]
} }
clone.RmtInf.AddInf.Ustrd = ustrd
return clone return clone
} }