Commit 99ff607c5fb774866afce47e17abac0c87724a85
1 parent
fbed510b
crypto: Provide crypt-based errors and new constant
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8 additions
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0 deletions
oletools/crypto.py
| @@ -88,6 +88,9 @@ import struct | @@ -88,6 +88,9 @@ import struct | ||
| 88 | import os | 88 | import os |
| 89 | from os.path import splitext, isfile | 89 | from os.path import splitext, isfile |
| 90 | from tempfile import mkstemp | 90 | from tempfile import mkstemp |
| 91 | +from oletools.common.errors import CryptoErrorBase, WrongEncryptionPassword, \ | ||
| 92 | + UnsupportedEncryptionError, MaxCryptoNestingReached | ||
| 93 | +from olefile import OleFileIO | ||
| 91 | 94 | ||
| 92 | try: | 95 | try: |
| 93 | import msoffcrypto | 96 | import msoffcrypto |
| @@ -95,6 +98,11 @@ except ImportError: | @@ -95,6 +98,11 @@ except ImportError: | ||
| 95 | msoffcrypto = None | 98 | msoffcrypto = None |
| 96 | 99 | ||
| 97 | 100 | ||
| 101 | +#: if there is an encrypted file embedded in an encrypted file, | ||
| 102 | +#: how deep down do we go | ||
| 103 | +MAX_NESTING_DEPTH = 10 | ||
| 104 | + | ||
| 105 | + | ||
| 98 | def is_encrypted(olefile): | 106 | def is_encrypted(olefile): |
| 99 | """ | 107 | """ |
| 100 | Determine whether document contains encrypted content. | 108 | Determine whether document contains encrypted content. |