Merge pull request #200 from blindsidenetworks/limit-user-name

Added max length for external user name

assets/index.html

@@ -198,7 +198,7 @@
     <form>
         <div class="fieldRow name">
             <label for="name">Name</label>
-            <input id="name" name="name" placeholder="Enter your name"/>
+            <input id="name" name="name" placeholder="Enter your name" maxlength="128"/>
         </div>
         <div class="fieldRow rememberName">
             <input type="checkbox" id="rememberName" name="rememberName"/>

server/responsehandlers.go

@@ -32,6 +32,10 @@ import (
 	"github.com/mattermost/mattermost-server/v5/model"
 )
 
+const (
+	externalUsernameMaxLength = 128
+)
+
 type RequestCreateMeetingJSON struct {
 	UserId         string `json:"user_id"`
 	ChannelId      string `json:"channel_id"`
@@ -459,6 +463,9 @@ func (p *Plugin) handleJoinMeetingExternalUser(w http.ResponseWriter, r *http.Re
 	}
 
 	username := request["name"]
+	if len(username) > externalUsernameMaxLength {
+		username = username[:externalUsernameMaxLength-1]
+	}
 
 	// golang doesnt have sets so have to iterate through array to check if meeting participant is already in meeeting
 	if !IsItemInArray(username, meetingpointer.AttendeeNames) {