fix: disallow URL unsafe inputs #47
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See #36
My team ran onto this exact issue by accident—someone accidentally created a group name with URL reserved chars (specifically
/) in it, and because theurl_safefunction does not escape these, it winds up creating a bogus URL in the template.In my ideal world the solution in the linked PR above would be accepted, but given the conversation on that PR, that seems like it's not going to happen, so this at least validates that unsafe inputs can't be used to create a group or flag name.