Fixed #125, sanitize Username with [^a-zA-Z0-9_-] and remove whitespace

entity/entity.go

@@ -1,5 +1,10 @@
 package entity
 
+import (
+	"regexp"
+	"strings"
+)
+
 // Event represents the type of event for the channel.
 type Event = string
 
@@ -20,6 +25,11 @@ type ChannelConfig struct {
 	CreatedAt   int64  `json:"created_at"`
 }
 
+func (c *ChannelConfig) Sanitize() {
+	c.Username = regexp.MustCompile(`[^a-zA-Z0-9_-]`).ReplaceAllString(c.Username, "")
+	c.Username = strings.TrimSpace(c.Username)
+}
+
 // ChannelInfo represents the information about a channel,
 // mostly used for the template rendering.
 type ChannelInfo struct {

manager/manager.go

@@ -88,6 +88,7 @@ func (m *Manager) LoadConfig() error {
 
 // CreateChannel starts monitoring an M3U8 stream
 func (m *Manager) CreateChannel(conf *entity.ChannelConfig, shouldSave bool) error {
+	conf.Sanitize()
 	ch := channel.New(conf)
 
 	// prevent duplicate channels