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Allow only ascii characters
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ad61786b0f
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@ -49,18 +49,27 @@ class ChatModeWeb:
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self.define_routes()
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def remove_unallowed_characters(self, text):
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allowed_unicode_categories = [
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'L', # All letters
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'N', # All numbers
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]
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allowed_special_characters = [
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'-', # dash
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'_', # underscore
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' ', # single space
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]
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"""
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Sanitize username to remove unwanted characters.
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Allowed characters right now are:
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- all ASCII numbers
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- all ASCII letters
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- dash, underscore and single space
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"""
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def allowed_character(ch):
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return unicodedata.category(ch)[0] in allowed_unicode_categories or ch in allowed_special_characters
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allowed_unicode_categories = [
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'L', # All letters
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'N', # All numbers
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]
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allowed_special_characters = [
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'-', # dash
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'_', # underscore
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' ', # single space
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]
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return (
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unicodedata.category(ch)[0] in allowed_unicode_categories and ord(ch) < 128
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) or ch in allowed_special_characters
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return "".join(
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ch for ch in text if allowed_character(ch)
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