simplify CSRF API

This commit gets rid of the CsrfToken type,
simplifying submission handling:

  // before
  let csrf_token = req.csrf_token(&mut response);
  let msg: FormData = body.into_form_csrf(&csrf_token).await?;

  // after
  let msg: FormData = body.into_form_csrf(req).await?;

As well as HTML input retrieval:

  // before
  req.csrf_token(&mut response).html_input();

  // after
  req.csrf_html_input(&mut response);

This commit also merges the CsrfError type into CsrfProtectedFormError.

bump version to 0.3.1

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 62d1f54..6925869 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sputnik"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Martin Fischer <martin@push-f.com>"]
 license = "MIT"
 description = "A lightweight layer on top of hyper to facilitate building web applications."