diff options
| author | jvoisin | 2012-12-08 02:02:25 +0100 |
|---|---|---|
| committer | jvoisin | 2012-12-13 14:24:01 +0100 |
| commit | cbf8a2a65928694202e19b6bcf56ec84bcbf613c (patch) | |
| tree | e106475b0d5c003505336b5ae6416e4508bb768b /MAT/mat.py | |
| parent | 67d5c1fa6b9ab6e1e7328ee57b15d8e46526d72a (diff) | |
Reorganize source tree and files installation location, cleanup setup.py (Closes: #689409)
Diffstat (limited to 'MAT/mat.py')
| -rw-r--r-- | MAT/mat.py | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/MAT/mat.py b/MAT/mat.py new file mode 100644 index 0000000..4c12333 --- /dev/null +++ b/MAT/mat.py | |||
| @@ -0,0 +1,152 @@ | |||
| 1 | #!/usr/bin/env python | ||
| 2 | |||
| 3 | ''' | ||
| 4 | Metadata anonymisation toolkit library | ||
| 5 | ''' | ||
| 6 | |||
| 7 | import os | ||
| 8 | import subprocess | ||
| 9 | import logging | ||
| 10 | import mimetypes | ||
| 11 | import xml.sax | ||
| 12 | |||
| 13 | import hachoir_core.cmd_line | ||
| 14 | import hachoir_parser | ||
| 15 | |||
| 16 | import strippers | ||
| 17 | |||
| 18 | __version__ = '0.3.2' | ||
| 19 | __author__ = 'jvoisin' | ||
| 20 | |||
| 21 | #Silence | ||
| 22 | LOGGING_LEVEL = logging.CRITICAL | ||
| 23 | hachoir_core.config.quiet = True | ||
| 24 | fname = '' | ||
| 25 | |||
| 26 | #Verbose | ||
| 27 | LOGGING_LEVEL = logging.DEBUG | ||
| 28 | #hachoir_core.config.quiet = False | ||
| 29 | #logname = 'report.log' | ||
| 30 | |||
| 31 | logging.basicConfig(filename=fname, level=LOGGING_LEVEL) | ||
| 32 | |||
| 33 | |||
| 34 | def get_sharedir(filename): | ||
| 35 | ''' | ||
| 36 | An ugly hack to find various files | ||
| 37 | ''' | ||
| 38 | if os.path.isfile(filename): | ||
| 39 | return filename | ||
| 40 | elif os.path.exists(os.path.join('/usr/local/share/mat/', filename)): | ||
| 41 | return os.path.join('/usr/local/share/mat/', filename) | ||
| 42 | elif os.path.exists(os.path.join('/usr/share/mat/', filename)): | ||
| 43 | return os.path.join('/usr/share/mat', filename) | ||
| 44 | elif os.path.exists(os.path.join('/usr/local/share/pixmaps/', filename)): | ||
| 45 | return os.path.join('/usr/local/share/pixmaps/', filename) | ||
| 46 | |||
| 47 | |||
| 48 | class XMLParser(xml.sax.handler.ContentHandler): | ||
| 49 | ''' | ||
| 50 | Parse the supported format xml, and return a corresponding | ||
| 51 | list of dict | ||
| 52 | ''' | ||
| 53 | def __init__(self): | ||
| 54 | self.dict = {} | ||
| 55 | self.list = [] | ||
| 56 | self.content, self.key = '', '' | ||
| 57 | self.between = False | ||
| 58 | |||
| 59 | def startElement(self, name, attrs): | ||
| 60 | ''' | ||
| 61 | Called when entering into xml balise | ||
| 62 | ''' | ||
| 63 | self.between = True | ||
| 64 | self.key = name | ||
| 65 | self.content = '' | ||
| 66 | |||
| 67 | def endElement(self, name): | ||
| 68 | ''' | ||
| 69 | Called when exiting a xml balise | ||
| 70 | ''' | ||
| 71 | if name == 'format': # exiting a fileformat section | ||
| 72 | self.list.append(self.dict.copy()) | ||
| 73 | self.dict.clear() | ||
| 74 | else: | ||
| 75 | content = self.content.replace('\s', ' ') | ||
| 76 | self.dict[self.key] = content | ||
| 77 | self.between = False | ||
| 78 | |||
| 79 | def characters(self, characters): | ||
| 80 | ''' | ||
| 81 | Concatenate the content between opening and closing balises | ||
| 82 | ''' | ||
| 83 | if self.between: | ||
| 84 | self.content += characters | ||
| 85 | |||
| 86 | |||
| 87 | def secure_remove(filename): | ||
| 88 | ''' | ||
| 89 | securely remove the file | ||
| 90 | ''' | ||
| 91 | removed = False | ||
| 92 | try: | ||
| 93 | subprocess.call(['shred', '--remove', filename]) | ||
| 94 | removed = True | ||
| 95 | except: | ||
| 96 | logging.error('Unable to securely remove %s' % filename) | ||
| 97 | |||
| 98 | if removed is False: | ||
| 99 | try: | ||
| 100 | os.remove(filename) | ||
| 101 | except: | ||
| 102 | logging.error('Unable to remove %s' % filename) | ||
| 103 | |||
| 104 | |||
| 105 | def create_class_file(name, backup, add2archive): | ||
| 106 | ''' | ||
| 107 | return a $FILETYPEStripper() class, | ||
| 108 | corresponding to the filetype of the given file | ||
| 109 | ''' | ||
| 110 | if not os.path.isfile(name): | ||
| 111 | # check if the file exists | ||
| 112 | logging.error('%s is not a valid file' % name) | ||
| 113 | return None | ||
| 114 | |||
| 115 | if not os.access(name, os.R_OK): | ||
| 116 | #check read permissions | ||
| 117 | logging.error('%s is is not readable' % name) | ||
| 118 | return None | ||
| 119 | |||
| 120 | if not os.access(name, os.W_OK): | ||
| 121 | #check write permission | ||
| 122 | logging.error('%s is not writtable' % name) | ||
| 123 | return None | ||
| 124 | |||
| 125 | filename = '' | ||
| 126 | try: | ||
| 127 | filename = hachoir_core.cmd_line.unicodeFilename(name) | ||
| 128 | except TypeError: # get rid of "decoding Unicode is not supported" | ||
| 129 | filename = name | ||
| 130 | |||
| 131 | parser = hachoir_parser.createParser(filename) | ||
| 132 | if not parser: | ||
| 133 | logging.info('Unable to parse %s' % filename) | ||
| 134 | return None | ||
| 135 | |||
| 136 | mime = parser.mime_type | ||
| 137 | |||
| 138 | if mime == 'application/zip': # some formats are zipped stuff | ||
| 139 | mime = mimetypes.guess_type(name)[0] | ||
| 140 | |||
| 141 | if mime.startswith('application/vnd.oasis.opendocument'): | ||
| 142 | mime = 'application/opendocument' # opendocument fileformat | ||
| 143 | elif mime.startswith('application/vnd.openxmlformats-officedocument'): | ||
| 144 | mime = 'application/officeopenxml' # office openxml | ||
| 145 | |||
| 146 | try: | ||
| 147 | stripper_class = strippers.STRIPPERS[mime] | ||
| 148 | except KeyError: | ||
| 149 | logging.info('Don\'t have stripper for %s format' % mime) | ||
| 150 | return None | ||
| 151 | |||
| 152 | return stripper_class(filename, parser, mime, backup, add2archive) | ||
