feat: add idem key

emit.go

@@ -32,8 +32,10 @@ func main() {
 func parsePersistentArgs(cmd *cobra.Command) {
 	var url string
 	var secret string
+	var idemKey string
 	cmd.PersistentFlags().StringVar(&url, "url", "", "URL to emit event to")
 	cmd.PersistentFlags().StringVar(&secret, "secret", "", "secret to use to encode hmac header")
+	cmd.PersistentFlags().StringVar(&idemKey, "idem-key", "", "Idempotency Key")
 
 	cmd.AddCommand(addShopifyCommand())
 	cmd.AddCommand(addGithubCommand())

github.go

@@ -31,10 +31,16 @@ func addGithubCommand() *cobra.Command {
 				return err
 			}
 
+			idemKey, err := cmd.Flags().GetString("idem-key")
+			if err != nil {
+				return err
+			}
+
 			if url == "" || secret == "" {
 				return errors.New("url and secret are required to emit github event")
 			}
 			fmt.Println("url", url)
+			fmt.Println("idem key", idemKey)
 			fmt.Println("secret", secret)
 
 			b, err := json.Marshal(body)
@@ -53,7 +59,7 @@ func addGithubCommand() *cobra.Command {
 				return fmt.Errorf("failed to generate hmac header new http request: %v", err)
 			}
 
-			setGithubHeaders(r, hmacHeader)
+			setGithubHeaders(r, hmacHeader, idemKey)
 
 			resp, err := http.DefaultClient.Do(r)
 			if err != nil {
@@ -80,6 +86,7 @@ func generateGithubHMAC(secret string, payload []byte) (string, error) {
 	return generateHMAC(secret, payload, "hex")
 }
 
-func setGithubHeaders(r *http.Request, hmacHeader string) {
+func setGithubHeaders(r *http.Request, hmacHeader, idemKey string) {
 	r.Header.Set("X-Hub-Signature-256", "sha256="+hmacHeader)
+	r.Header.Set("X-Idempotency-Key", idemKey)
 }

shopify.go

@@ -31,6 +31,11 @@ func addShopifyCommand() *cobra.Command {
 				return err
 			}
 
+			idemKey, err := cmd.Flags().GetString("idem-key")
+			if err != nil {
+				return err
+			}
+
 			secret, err := cmd.Flags().GetString("secret")
 			if err != nil {
 				return err
@@ -40,6 +45,7 @@ func addShopifyCommand() *cobra.Command {
 				return errors.New("url and secret are required to emit shopify event")
 			}
 			fmt.Println("url", url)
+			fmt.Println("idem key", idemKey)
 			fmt.Println("secret", secret)
 
 			b, err := json.Marshal(body)
@@ -58,7 +64,7 @@ func addShopifyCommand() *cobra.Command {
 				return fmt.Errorf("failed to generate hmac header new http request: %v", err)
 			}
 
-			setShopifyHeaders(r, hmacHeader)
+			setShopifyHeaders(r, hmacHeader, idemKey)
 
 			resp, err := http.DefaultClient.Do(r)
 			if err != nil {
@@ -102,8 +108,9 @@ func generateHMAC(secret string, payload []byte, encoding string) (string, error
 	}
 }
 
-func setShopifyHeaders(r *http.Request, hmacHeader string) {
+func setShopifyHeaders(r *http.Request, hmacHeader string, idemKey string) {
 	r.Header.Set("X-Shopify-Topic", "orders/create")
+	r.Header.Set("X-Idempotency-Key", idemKey)
 	r.Header.Set("X-Shopify-Hmac-SHA256", hmacHeader)
 	r.Header.Set("X-Shopify-Shop-Domain", "emit-test-domain")
 	r.Header.Set("X-Shopify-API-Version", "2022-07")