<p></p>
<h3 dir="auto">URL</h3>
<p dir="auto"><em>No response</em></p>
<h3 dir="auto">How to reproduce the issue?</h3>
<p dir="auto">The API checks tag keys and values for the 255 characters max length (<a href="https://github.com/openstreetmap/openstreetmap-website/blob/master/test/models/node_tag_test.rb">for instance for nodes</a>) and for some <a href="https://github.com/openstreetmap/openstreetmap-website/blob/master/test/validators/characters_validator_test.rb#L30-L41">invalid characters</a>. This check is not done for roles as far as I can see. Cgimap <a href="https://github.com/zerebubuth/openstreetmap-cgimap/blob/master/test/test_parse_osmchange_input.cpp#L838-L865">does the length test</a>, not sure about the character test.</p>
<p dir="auto">I validate this, I added these to <code class="notranslate">test/models/relation_member_test.rb</code> and then the tests fail:</p>
<pre class="notranslate"><code class="notranslate"> class RelationMemberTest < ActiveSupport::TestCase
  def test_role_with_invalid_characters
    invalid = ["\x7f<hr/>", "test@example.com\x0e-", "s/\x1ff", "aa/\ufffe",
               "aa\x0b-,", "aa?\x08", "/;\uffff.,?", "\x0c#ping",
               "foo\x1fbar", "foo\x7fbar", "foo\ufffebar", "foo\uffffbar"]
    relation = create(:relation)
    node = create(:node)
    invalid.each do |r|
        member = create(:relation_member, :relation => relation, :member => node, :member_role => r)
        assert_not member.valid?, "'#{r}' should not be valid"
        assert_predicate member.errors[:member_role], :any?
    end
  end

  def test_role_too_long
    relation = create(:relation)
    node = create(:node)
    member = create(:relation_member, :relation => relation, :member => node, :member_role => "r" * 256)
    assert_not member.valid?, "Role should be too long"
    assert_predicate member.errors[:member_role], :any?
  end
 end
</code></pre>
<h3 dir="auto">Screenshot(s) or anything else?</h3>
<p dir="auto"><em>No response</em></p>

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