hashing is done
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@ -1,4 +1,4 @@
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import os
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import hashlib
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import re
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import subprocess # I wish there was a better way to get the supported LUKS ciphers.
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import uuid
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@ -287,3 +287,6 @@ MDADM_SUPPORTED_LAYOUTS = {5: (re.compile(r'^((left|right)-a?symmetric|[lr][as]|
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None)}
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# glibc doesn't support bcrypt/blowfish nor des (nor any of the others, like e.g. scrypt)
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CRYPT_SUPPORTED_HASHTYPES = ('sha512', 'sha256', 'md5')
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HASH_BUILTIN_SUPPORTED_TYPES = tuple(sorted(list(hashlib.algorithms_available)))
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HASH_EXTRA_SUPPORTED_TYPES = set(('adler32', 'crc32'))
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HASH_SUPPORTED_TYPES = tuple(sorted(list(hashlib.algorithms_available.union(HASH_EXTRA_SUPPORTED_TYPES))))
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@ -9,6 +9,9 @@ class File(object):
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self.path_rel = pathlib.PurePosixPath(self.orig_path)
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self.path_full = pathlib.PurePosixPath(self.fullpath)
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def __str(self):
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return(self.fullpath)
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class Directory(object):
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def __init__(self, dir_path):
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@ -19,25 +22,35 @@ class Directory(object):
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self.files = []
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self.dirs = []
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def populateFilesDirs(self, recursive = False):
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def __str__(self):
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return(self.fullpath)
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def populateFilesDirs(self, recursive = False, native = False):
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if not recursive:
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for i in os.listdir(self.fullpath):
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if os.path.isdir(os.path.join(self.fullpath, i)):
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self.dirs.append(i)
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elif os.path.isfile(os.path.join(self.fullpath, i)):
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if not native:
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self.files.append(i)
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else:
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self.files.append(File(i))
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else:
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for root, dirs, files in os.walk(self.fullpath):
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for f in files:
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fpath = os.path.join(root, f)
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relfpath = pathlib.PurePosixPath(fpath).relative_to(self.path_full)
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relfpath = str(pathlib.PurePosixPath(fpath).relative_to(self.path_full))
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if not native:
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self.files.append(relfpath)
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else:
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self.files.append(relfpath)
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for d in dirs:
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dpath = os.path.join(root, d)
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reldpath = pathlib.PurePosixPath(dpath).relative_to(self.path_full)
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reldpath = str(pathlib.PurePosixPath(dpath).relative_to(self.path_full))
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self.dirs.append(reldpath)
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if root not in self.dirs:
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self.dirs.append(dirs)
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self.dirs.append(root)
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if not native:
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self.dirs.sort()
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self.files.sort()
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return(None)
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@ -0,0 +1,48 @@
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import hashlib
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import pathlib
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import zlib
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##
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import aif.constants_fallback
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from . import file_handler
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class Hash(object):
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def __init__(self, file_path):
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self.hashers = None
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def configure(self, hashalgo = None):
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self.hashers = {}
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if hashalgo:
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if not isinstance(hashalgo, list):
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hashalgo = [hashalgo]
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else:
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hashalgo = list(aif.constants_fallback.HASH_SUPPORTED_TYPES)
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for h in hashalgo:
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if h not in aif.constants_fallback.HASH_SUPPORTED_TYPES:
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raise ValueError('Hash algorithm not supported')
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if h not in aif.constants_fallback.HASH_EXTRA_SUPPORTED_TYPES:
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hasher = hashlib.new(h)
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else: # adler32 and crc32
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hasher = getattr(zlib, h)
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self.hashers[h] = hasher
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return()
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def hashData(self, data):
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results = {}
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if not self.hashers:
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self.configure()
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for hashtype, hasher in self.hashers.items():
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if hashtype in aif.constants_fallback.HASH_EXTRA_SUPPORTED_TYPES:
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results[hashtype] = hasher(data)
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else:
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rslt = hasher.update(data)
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results[hashtype] = rslt.hexdigest()
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return(results)
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def hashFile(self, file_path):
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if not isinstance(file_path, (str, file_handler.File, pathlib.Path, pathlib.PurePath)):
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raise ValueError('file_path must be a path expression')
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file_path = str(file_path)
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with open(file_path, 'rb') as fh:
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results = self.hashData(fh.read())
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return(results)
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