1 files changed, 35 insertions, 0 deletions
diff --git a/workhorse/internal/senddata/injecter.go b/workhorse/internal/senddata/injecter.go
new file mode 100644
index 00000000000..d5739d2a053
--- /dev/null
+++ b/workhorse/internal/senddata/injecter.go
@@ -0,0 +1,35 @@
+package senddata
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"net/http"
+	"strings"
+)
+
+type Injecter interface {
+	Match(string) bool
+	Inject(http.ResponseWriter, *http.Request, string)
+	Name() string
+}
+
+type Prefix string
+
+func (p Prefix) Match(s string) bool {
+	return strings.HasPrefix(s, string(p))
+}
+
+func (p Prefix) Unpack(result interface{}, sendData string) error {
+	jsonBytes, err := base64.URLEncoding.DecodeString(strings.TrimPrefix(sendData, string(p)))
+	if err != nil {
+		return err
+	}
+	if err := json.Unmarshal([]byte(jsonBytes), result); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (p Prefix) Name() string {
+	return strings.TrimSuffix(string(p), ":")
+}