56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
"""
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pygments.lexers.asc
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~~~~~~~~~~~~~~~~~~~
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Lexer for various ASCII armored files.
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:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, bygroups
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from pygments.token import Comment, Generic, Name, Operator, String, Whitespace
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__all__ = ['AscLexer']
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class AscLexer(RegexLexer):
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"""
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Lexer for ASCII armored files, containing `-----BEGIN/END ...-----` wrapped
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base64 data.
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"""
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name = 'ASCII armored'
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aliases = ['asc', 'pem']
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filenames = [
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'*.asc', # PGP; *.gpg, *.pgp, and *.sig too, but those can be binary
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'*.pem', # X.509; *.cer, *.crt, *.csr, and key etc too, but those can be binary
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'id_dsa', 'id_ecdsa', 'id_ecdsa_sk', 'id_ed25519', 'id_ed25519_sk',
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'id_rsa', # SSH private keys
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]
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mimetypes = ['application/pgp-keys', 'application/pgp-encrypted',
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'application/pgp-signature', 'application/pem-certificate-chain']
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url = 'https://www.openpgp.org'
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version_added = '2.10'
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flags = re.MULTILINE
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tokens = {
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'root': [
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(r'\s+', Whitespace),
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(r'^-----BEGIN [^\n]+-----$', Generic.Heading, 'data'),
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(r'\S+', Comment),
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],
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'data': [
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(r'\s+', Whitespace),
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(r'^([^:]+)(:)([ \t]+)(.*)',
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bygroups(Name.Attribute, Operator, Whitespace, String)),
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(r'^-----END [^\n]+-----$', Generic.Heading, 'root'),
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(r'\S+', String),
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],
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}
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def analyse_text(text):
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if re.search(r'^-----BEGIN [^\n]+-----\r?\n', text):
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return True
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