Documentation and code cleanup for webhooks

webhook/webhook.go

@@ -16,20 +16,24 @@ import (
 
 const (
 
-	// DefaultTimeoutSeconds is amount of seconds of timeout used by HTTP sender
+	// DefaultTimeoutSeconds is the number of seconds before a timeout occurs
+	// when sending a webhook
 	DefaultTimeoutSeconds = 10
 
-	// MinHTTPStatusErrorCode is the lowest number of an HTTP response which indicates an error
+	// MinHTTPStatusErrorCode is the lower bound of HTTP status codes which
+	// indicate an error occurred
 	MinHTTPStatusErrorCode = 400
 
-	// SignatureHeader is the name of an HTTP header used to which contains signature of a webhook
+	// SignatureHeader is the name of the HTTP header which contains the
+	// webhook signature
 	SignatureHeader = "X-Gophish-Signature"
 
-	// Sha256Prefix is the prefix that specifies the hashing algorithm used for signature
+	// Sha256Prefix is the prefix that specifies the hashing algorithm used
+	// for the signature
 	Sha256Prefix = "sha256"
 )
 
-// Sender defines behaviour of an entity by which webhook is sent
+// Sender represents a type which can send webhooks to an EndPoint
 type Sender interface {
 	Send(endPoint EndPoint, data interface{}) error
 }
@@ -47,7 +51,8 @@ var senderInstance = &defaultSender{
 	},
 }
 
-// EndPoint represents and end point to send a webhook to: url and secret by which payload is signed
+// EndPoint represents a URL to send the webhook to, as well as a secret used
+// to sign the event
 type EndPoint struct {
 	URL    string
 	Secret string
@@ -58,12 +63,12 @@ func Send(endPoint EndPoint, data interface{}) error {
 	return senderInstance.Send(endPoint, data)
 }
 
-// SendAll sends data to each of the EndPoints
+// SendAll sends data to multiple EndPoints
 func SendAll(endPoints []EndPoint, data interface{}) {
-	for _, ept := range endPoints {
+	for _, e := range endPoints {
-		go func(ept1 EndPoint) {
+		go func(e EndPoint) {
-			senderInstance.Send(ept1, data)
+			senderInstance.Send(e, data)
-		}(EndPoint{URL: ept.URL, Secret: ept.Secret})
+		}(e)
 	}
 }