| """ |
| pygments.lexers.asc |
| ~~~~~~~~~~~~~~~~~~~ |
| |
| Lexer for various ASCII armored files. |
| |
| :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS. |
| :license: BSD, see LICENSE for details. |
| """ |
| import re |
| |
| from pygments.lexer import RegexLexer, bygroups |
| from pygments.token import Comment, Generic, Name, Operator, String, Whitespace |
| |
| __all__ = ['AscLexer'] |
| |
| |
| class AscLexer(RegexLexer): |
| """ |
| Lexer for ASCII armored files, containing `-----BEGIN/END ...-----` wrapped |
| base64 data. |
| |
| .. versionadded:: 2.10 |
| """ |
| name = 'ASCII armored' |
| aliases = ['asc', 'pem'] |
| filenames = [ |
| '*.asc', # PGP; *.gpg, *.pgp, and *.sig too, but those can be binary |
| '*.pem', # X.509; *.cer, *.crt, *.csr, and key etc too, but those can be binary |
| 'id_dsa', 'id_ecdsa', 'id_ecdsa_sk', 'id_ed25519', 'id_ed25519_sk', |
| 'id_rsa', # SSH private keys |
| ] |
| mimetypes = ['application/pgp-keys', 'application/pgp-encrypted', |
| 'application/pgp-signature', 'application/pem-certificate-chain'] |
| |
| flags = re.MULTILINE |
| |
| tokens = { |
| 'root': [ |
| (r'\s+', Whitespace), |
| (r'^-----BEGIN [^\n]+-----$', Generic.Heading, 'data'), |
| (r'\S+', Comment), |
| ], |
| 'data': [ |
| (r'\s+', Whitespace), |
| (r'^([^:]+)(:)([ \t]+)(.*)', |
| bygroups(Name.Attribute, Operator, Whitespace, String)), |
| (r'^-----END [^\n]+-----$', Generic.Heading, 'root'), |
| (r'\S+', String), |
| ], |
| } |
| |
| def analyse_text(text): |
| if re.search(r'^-----BEGIN [^\n]+-----\r?\n', text): |
| return True |
