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fix #2043 #2162

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Merged
slingamn merged 1 commit into from
Jun 2, 2024
Merged

fix #2043 #2162

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27 changes: 19 additions & 8 deletions irc/handlers.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2204,27 +2204,30 @@ func validateSplitMessageLen(msgType history.ItemType, source, target string, me

// helper to store a batched PRIVMSG in the session object
func absorbBatchedMessage(server *Server, client *Client, msg ircmsg.Message, batchTag string, histType history.ItemType, rb *ResponseBuffer) {
var errorCode, errorMessage string
var failParams []string
defer func() {
if errorCode != "" {
if failParams != nil {
if histType != history.Notice {
rb.Add(nil, server.name, "FAIL", "BATCH", errorCode, errorMessage)
params := make([]string, 1+len(failParams))
params[0] = "BATCH"
copy(params[1:], failParams)
rb.Add(nil, server.name, "FAIL", params...)
}
rb.session.EndMultilineBatch("")
}
}()

if batchTag != rb.session.batch.label {
errorCode, errorMessage = "MULTILINE_INVALID", client.t("Incorrect batch tag sent")
failParams = []string{"MULTILINE_INVALID", client.t("Incorrect batch tag sent")}
return
} else if len(msg.Params) < 2 {
errorCode, errorMessage = "MULTILINE_INVALID", client.t("Invalid multiline batch")
failParams = []string{"MULTILINE_INVALID", client.t("Invalid multiline batch")}
return
}
rb.session.batch.command = msg.Command
isConcat, _ := msg.GetTag(caps.MultilineConcatTag)
if isConcat && len(msg.Params[1]) == 0 {
errorCode, errorMessage = "MULTILINE_INVALID", client.t("Cannot send a blank line with the multiline concat tag")
failParams = []string{"MULTILINE_INVALID", client.t("Cannot send a blank line with the multiline concat tag")}
return
}
if !isConcat && len(rb.session.batch.message.Split) != 0 {
Expand All @@ -2234,9 +2237,17 @@ func absorbBatchedMessage(server *Server, client *Client, msg ircmsg.Message, ba
rb.session.batch.lenBytes += len(msg.Params[1])
config := server.Config()
if config.Limits.Multiline.MaxBytes < rb.session.batch.lenBytes {
errorCode, errorMessage = "MULTILINE_MAX_BYTES", strconv.Itoa(config.Limits.Multiline.MaxBytes)
failParams = []string{
"MULTILINE_MAX_BYTES",
strconv.Itoa(config.Limits.Multiline.MaxBytes),
fmt.Sprintf(client.t("Multiline batch byte limit %d exceeded"), config.Limits.Multiline.MaxBytes),
}
} else if config.Limits.Multiline.MaxLines != 0 && config.Limits.Multiline.MaxLines < rb.session.batch.message.LenLines() {
errorCode, errorMessage = "MULTILINE_MAX_LINES", strconv.Itoa(config.Limits.Multiline.MaxLines)
failParams = []string{
"MULTILINE_MAX_LINES",
strconv.Itoa(config.Limits.Multiline.MaxLines),
fmt.Sprintf(client.t("Multiline batch line limit %d exceeded"), config.Limits.Multiline.MaxLines),
}
}
}

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