add common referrer options

proxychain/requestmodifers/spoof_referrer_from_vkontake_post.go

@@ -0,0 +1,19 @@
+package requestmodifers
+
+import (
+	"ladder/proxychain"
+)
+
+// SpoofReferrerFromVkontaktePost modifies the referrer header
+// pretending to be from a vkontakte post (popular in Russia)
+func SpoofReferrerFromVkontaktePost(url string) proxychain.RequestModification {
+	return func(chain *proxychain.ProxyChain) error {
+		chain.AddRequestModifications(
+			SpoofReferrer("https://away.vk.com/"),
+			SetRequestHeader("sec-fetch-site", "cross-site"),
+			SetRequestHeader("sec-fetch-dest", "document"),
+			SetRequestHeader("sec-fetch-mode", "navigate"),
+		)
+		return nil
+	}
+}