Initial commit

2022-09-04 02:34:54 +03:00
commit d9de157ad8
1017 changed files with 407553 additions and 0 deletions
--- a/vendor/github.com/thoj/go-ircevent/irc_sasl.go
+++ b/vendor/github.com/thoj/go-ircevent/irc_sasl.go
@@ -0,0 +1,80 @@
+package irc
+
+import (
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"strings"
+)
+
+type SASLResult struct {
+	Failed bool
+	Err    error
+}
+
+// Check if a space-separated list of arguments contains a value.
+func listContains(list string, value string) bool {
+	for _, arg_name := range strings.Split(strings.TrimSpace(list), " ") {
+		if arg_name == value {
+			return true
+		}
+	}
+	return false
+}
+
+func (irc *Connection) setupSASLCallbacks(result chan<- *SASLResult) (callbacks []CallbackID) {
+	id := irc.AddCallback("CAP", func(e *Event) {
+		if len(e.Arguments) == 3 {
+			if e.Arguments[1] == "LS" {
+				if !listContains(e.Arguments[2], "sasl") {
+					result <- &SASLResult{true, errors.New("no SASL capability " + e.Arguments[2])}
+				}
+			}
+			if e.Arguments[1] == "ACK" && listContains(e.Arguments[2], "sasl") {
+				if irc.SASLMech != "PLAIN" && irc.SASLMech != "EXTERNAL" {
+					result <- &SASLResult{true, errors.New("only PLAIN and EXTERNAL supported")}
+				}
+				irc.SendRaw("AUTHENTICATE " + irc.SASLMech)
+			}
+		}
+	})
+	callbacks = append(callbacks, CallbackID{"CAP", id})
+
+	id = irc.AddCallback("AUTHENTICATE", func(e *Event) {
+		if irc.SASLMech == "EXTERNAL" {
+			irc.SendRaw("AUTHENTICATE +")
+			return
+		}
+		str := base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s\x00%s\x00%s", irc.SASLLogin, irc.SASLLogin, irc.SASLPassword)))
+		irc.SendRaw("AUTHENTICATE " + str)
+	})
+	callbacks = append(callbacks, CallbackID{"AUTHENTICATE", id})
+
+	id = irc.AddCallback("901", func(e *Event) {
+		irc.SendRaw("CAP END")
+		irc.SendRaw("QUIT")
+		result <- &SASLResult{true, errors.New(e.Arguments[1])}
+	})
+	callbacks = append(callbacks, CallbackID{"901", id})
+
+	id = irc.AddCallback("902", func(e *Event) {
+		irc.SendRaw("CAP END")
+		irc.SendRaw("QUIT")
+		result <- &SASLResult{true, errors.New(e.Arguments[1])}
+	})
+	callbacks = append(callbacks, CallbackID{"902", id})
+
+	id = irc.AddCallback("903", func(e *Event) {
+		result <- &SASLResult{false, nil}
+	})
+	callbacks = append(callbacks, CallbackID{"903", id})
+
+	id = irc.AddCallback("904", func(e *Event) {
+		irc.SendRaw("CAP END")
+		irc.SendRaw("QUIT")
+		result <- &SASLResult{true, errors.New(e.Arguments[1])}
+	})
+	callbacks = append(callbacks, CallbackID{"904", id})
+
+	return
+}