Remove cans feature; harden pw_/tok_ cookie flags (pre-release fixes) (#307)

internal/api/cookie_set_test.go

@@ -1,7 +1,7 @@
 package api
 
-// #143: create responses must set the short-lived tok_<id> HttpOnly cookie
-// that the paste view reads for the one-time created banner.
+// #143: create responses must set the short-lived tok_<id> HttpOnly+Secure
+// cookie that the paste view reads for the one-time created banner.
 
 import (
 	"net/http"
@@ -29,6 +29,9 @@ func TestCreateSetsDeletionTokenCookie(t *testing.T) {
 			if !c.HttpOnly {
 				t.Error("tok_ cookie not HttpOnly")
 			}
+			if !c.Secure {
+				t.Error("tok_ cookie not Secure")
+			}
 			if c.MaxAge != 60 {
 				t.Errorf("tok_ cookie MaxAge = %d, want 60", c.MaxAge)
 			}