This file is indexed.

/usr/lib/python2.7/dist-packages/sugar/mime.py is in python-sugar 0.98.0-5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
# Copyright (C) 2006-2007, Red Hat, Inc.
# Copyright (C) 2007, One Laptop Per Child
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.

"""MIME helpers based on freedesktop specification.

STABLE.
"""

import os
import logging
import gettext

from sugar import _sugarbaseext

_ = lambda msg: gettext.dgettext('sugar-base', msg)

GENERIC_TYPE_TEXT = 'Text'
GENERIC_TYPE_IMAGE = 'Image'
GENERIC_TYPE_AUDIO = 'Audio'
GENERIC_TYPE_VIDEO = 'Video'
GENERIC_TYPE_LINK = 'Link'

_extensions = {}
_globs_timestamps = []
_generic_types = [
{
    'id': GENERIC_TYPE_TEXT,
    'name': _('Text'),
    'icon': 'text-x-generic',
    'types': [
        'text/plain', 'text/rtf', 'application/pdf', 'application/x-pdf',
        'text/html', 'application/vnd.oasis.opendocument.text',
        'application/rtf', 'text/rtf', 'application/epub+zip'],
},
{
    'id': GENERIC_TYPE_IMAGE,
    'name': _('Image'),
    'icon': 'image-x-generic',
    'types': ['image/png', 'image/gif', 'image/jpeg'],
},
{
    'id': GENERIC_TYPE_AUDIO,
    'name': _('Audio'),
    'icon': 'audio-x-generic',
    'types': [
        'audio/ogg', 'audio/x-wav', 'audio/wav', 'audio/x-vorbis+ogg',
        'audio/x-mpegurl', 'audio/mpegurl', 'audio/mpeg', 'audio/x-scpls'],
},
{
    'id': GENERIC_TYPE_VIDEO,
    'name': _('Video'),
    'icon': 'video-x-generic',
    'types': ['video/ogg', 'application/ogg', 'video/x-theora+ogg'],
},
{
    'id': GENERIC_TYPE_LINK,
    'name': _('Link'),
    'icon': 'text-uri-list',
    'types': ['text/x-moz-url', 'text/uri-list'],
}]


class ObjectType(object):

    def __init__(self, type_id, name, icon, mime_types):
        self.type_id = type_id
        self.name = name
        self.icon = icon
        self.mime_types = mime_types


def get_generic_type(type_id):
    types = get_all_generic_types()
    for generic_type in types:
        if type_id == generic_type.type_id:
            return generic_type


def get_all_generic_types():
    types = []
    for generic_type in _generic_types:
        object_type = ObjectType(generic_type['id'], generic_type['name'],
                                 generic_type['icon'], generic_type['types'])
        types.append(object_type)
    return types


def get_for_file(file_name):
    if file_name.startswith('file://'):
        file_name = file_name[7:]

    file_name = os.path.realpath(file_name)

    mime_type = _sugarbaseext.get_mime_type_for_file(file_name)
    if mime_type == 'application/octet-stream':
        if _file_looks_like_text(file_name):
            return 'text/plain'
        else:
            return 'application/octet-stream'

    return mime_type


def get_from_file_name(file_name):
    return _sugarbaseext.get_mime_type_from_file_name(file_name)


def get_mime_icon(mime_type):
    generic_type = _get_generic_type_for_mime(mime_type)
    if generic_type:
        return generic_type['icon']

    return mime_type.replace('/', '-')


def get_mime_description(mime_type):
    generic_type = _get_generic_type_for_mime(mime_type)
    if generic_type:
        return generic_type['name']

    import gio
    return gio.content_type_get_description(mime_type)


def get_mime_parents(mime_type):
    return _sugarbaseext.list_mime_parents(mime_type)


def get_primary_extension(mime_type):
    global _extensions
    global _globs_timestamps

    dirs = []

    if 'XDG_DATA_HOME' in os.environ:
        dirs.append(os.environ['XDG_DATA_HOME'])
    else:
        dirs.append(os.path.expanduser('~/.local/share/'))

    if 'XDG_DATA_DIRS' in os.environ:
        dirs.extend(os.environ['XDG_DATA_DIRS'].split(':'))
    else:
        dirs.extend(['/usr/local/share/', '/usr/share/'])

    timestamps = []
    globs_path_list = []
    for f in dirs:
        globs_path = os.path.join(f, 'mime', 'globs')
        if os.path.exists(globs_path):
            mtime = os.stat(globs_path).st_mtime
            timestamps.append([globs_path, mtime])
            globs_path_list.append(globs_path)

    if timestamps != _globs_timestamps:
        # Clear the old extensions list
        _extensions = {}

        # FIXME Properly support these types in the system. (#4855)
        _extensions['audio/ogg'] = 'ogg'
        _extensions['video/ogg'] = 'ogg'

        for globs_path in globs_path_list:
            globs_file = open(globs_path)
            for line in globs_file.readlines():
                line = line.strip()
                if not line.startswith('#'):
                    line_type, glob = line.split(':')
                    if glob.startswith('*.'):
                        _extensions[line_type] = glob[2:]

        _globs_timestamps = timestamps

    if mime_type in _extensions:
        return _extensions[mime_type]
    else:
        return None


_MIME_TYPE_BLACK_LIST = [
    # Target used only between gtk.TextBuffer instances
    'application/x-gtk-text-buffer-rich-text',
]


def choose_most_significant(mime_types):
    logging.debug('Choosing between %r.', mime_types)
    if not mime_types:
        return ''

    if 'text/uri-list' in mime_types:
        return 'text/uri-list'

    for mime_category in ['image/', 'application/']:
        for mime_type in mime_types:

            if mime_type.startswith(mime_category) and \
               mime_type not in _MIME_TYPE_BLACK_LIST:
                # skip mozilla private types (second component starts with '_'
                # or ends with '-priv')
                if mime_type.split('/')[1].startswith('_') or \
                   mime_type.split('/')[1].endswith('-priv'):
                    continue

                # take out the specifier after ';' that mozilla likes to add
                mime_type = mime_type.split(';')[0]
                logging.debug('Choosed %r!', mime_type)
                return mime_type

    if 'text/x-moz-url' in mime_types:
        logging.debug('Choosed text/x-moz-url!')
        return 'text/x-moz-url'

    if 'text/html' in mime_types:
        logging.debug('Choosed text/html!')
        return 'text/html'

    if 'text/plain' in mime_types:
        logging.debug('Choosed text/plain!')
        return 'text/plain'

    logging.debug('Returning first: %r.', mime_types[0])
    return mime_types[0]


def split_uri_list(uri_list):
    return _sugarbaseext.uri_list_extract_uris(uri_list)


def _file_looks_like_text(file_name):
    f = open(file_name, 'r')
    try:
        sample = f.read(256)
    finally:
        f.close()

    if '\000' in sample:
        return False

    for encoding in ('ascii', 'latin_1', 'utf_8', 'utf_16'):
        try:
            unicode(sample, encoding)
            return True
        except Exception:
            pass

    return False


def _get_generic_type_for_mime(mime_type):
    for generic_type in _generic_types:
        if mime_type in generic_type['types']:
            return generic_type
    return None