[1.x] Adds CSRF token.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (3a50921) to head (9125d9b).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 1.x #6 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 4 5 +1 Lines 425 509 +84 Branches 83 104 +21 ========================================= + Hits 425 509 +84 ```

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[sonarcloud[bot]]

Quality Gate failed

Failed conditions
14.7% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud