This file is indexed.

/usr/share/pyshared/UpdateManager/ChangelogViewer.py is in update-manager 1:0.156.14.

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
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
# ReleaseNotesViewer.py
#  
#  Copyright (c) 2006 Sebastian Heinlein
#                2007 Canonical
#  
#  Author: Sebastian Heinlein <sebastian.heinlein@web.de>
#          Michael Vogt <michael.vogt@ubuntu.com>
#
#  This modul provides an inheritance of the Gtk.TextView that is 
#  aware of http URLs and allows to open them in a browser.
#  It is based on the pygtk-demo "hypertext".
# 
#  This program is free software; you can redistribute it and/or 
#  modify it under the terms of the GNU General Public License as 
#  published by the Free Software Foundation; either version 2 of the
#  License, or (at your option) any later version.
# 
#  This program 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 General Public License for more details.
# 
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#  USA


from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GObject
from gi.repository import Pango
from gettext import gettext as _

from ReleaseNotesViewer import open_url

class ChangelogViewer(Gtk.TextView):
    def __init__(self, changelog=None):
        """Init the ChangelogViewer as an Inheritance of the Gtk.TextView"""
        # init the parent
        GObject.GObject.__init__(self)
        # global hovering over link state
        self.hovering = False
        self.first = True
        # setup the buffer and signals
        self.set_property("editable", False)
        self.set_cursor_visible(False)
        # set some margin
        self.set_right_margin(4)
        self.set_left_margin(4)
        self.set_pixels_above_lines(4)
        self.buffer = Gtk.TextBuffer()
        self.set_buffer(self.buffer)
        self.connect("button-press-event", self.button_press_event)
        self.connect("motion-notify-event", self.motion_notify_event)
        self.connect("visibility-notify-event", self.visibility_notify_event)
        #self.buffer.connect("changed", self.search_links)
        self.buffer.connect_after("insert-text", self.on_insert_text)
        # search for links in the changelog and make them clickable
        if changelog != None:
            self.buffer.set_text(changelog)
            
    def create_context_menu(self, url):
        """Create the context menu to be displayed when links are right clicked"""
        self.menu = Gtk.Menu()
        
        # create menu items
        item_grey_link = Gtk.MenuItem()
        item_grey_link.set_label(url)
        item_grey_link.connect("activate", self.handle_context_menu, "open", url)
        item_seperator = Gtk.MenuItem()
        item_open_link = Gtk.MenuItem()
        item_open_link.set_label(_("Open Link in Browser"))
        item_open_link.connect("activate", self.handle_context_menu, "open", url)
        item_copy_link = Gtk.MenuItem()
        item_copy_link.set_label(_("Copy Link to Clipboard"))
        item_copy_link.connect("activate", self.handle_context_menu, "copy", url)
        
        # add menu items
        self.menu.add(item_grey_link)
        self.menu.add(item_seperator)
        self.menu.add(item_open_link)
        self.menu.add(item_copy_link)
        self.menu.show_all()
    
    def handle_context_menu(self, menuitem, action, url):
        """Handle activate event for the links' context menu"""
        if action == "open":
            open_url(url)
        if action == "copy":
            # the following two lines used to be enough - then gtk3/pygi
            # came along ...
            #cb = Gtk.Clipboard()
            #cb.set_text(url)
            display = Gdk.Display.get_default()
            selection = Gdk.Atom.intern ("CLIPBOARD", False)
            cb = Gtk.Clipboard.get_for_display(display, selection)
            cb.set_text(url, -1)
            cb.store()

    def tag_link(self, start, end, url):
        """Apply the tag that marks links to the specified buffer selection"""
        tags = start.get_tags()
        for tag in tags:
            url = tag.get_data("url")
            if url != "":
                return
        tag = self.buffer.create_tag(None, foreground="blue",
                                     underline=Pango.Underline.SINGLE)
        tag.set_data("url", url)
        self.buffer.apply_tag(tag , start, end)

    def on_insert_text(self, buffer, iter_end, text, *args):
        """Search for http URLs in newly inserted text  
           and tag them accordingly"""

        # some convenient urls
        MALONE = "https://launchpad.net/bugs/"
        DEBIAN = "http://bugs.debian.org/"
        CVE = "http://cve.mitre.org/cgi-bin/cvename.cgi?name="
        # some convinient end-markers
        ws = [" ","\t","\n"]
        brak = [")","]",">"]
        punct = [",","!",":"]
        dot = ["."]+punct
        dot_cr = [".\n"]

        # search items are start-str, list-of-end-strs, url-prefix
        # a lot of this search is "TEH SUCK"(tm) because of limitations
        # in iter.forward_search()
        # - i.e. no insensitive searching, no regexp
        search_items = [ ("http://", ws+brak+punct+dot_cr, "http://"),
                         ("LP#", ws+brak+dot, MALONE),
                         ("LP: #", ws+brak+dot, MALONE),
                         ("lp: #", ws+brak+dot, MALONE),
                         ("LP:#",  ws+brak+dot, MALONE),
                         ("Malone: #", ws+brak+dot, MALONE),
                         ("Malone:#", ws+brak+dot, MALONE),
                         ("Ubuntu: #", ws+brak+dot, MALONE),
                         ("Ubuntu:#", ws+brak+dot, MALONE),
                         ("Closes: #",ws+brak+dot, DEBIAN),
                         ("Closes:#",ws+brak+dot, DEBIAN),
                         ("closes:#",ws+brak+dot, DEBIAN),
                         ("closes: #",ws+brak+dot, DEBIAN),
                         ("CVE-", ws+brak+dot, CVE),
                       ]
        # init
        iter = buffer.get_iter_at_offset(iter_end.get_offset() - len(text))

        # search for the next match in the buffer
        for (start_str, end_list, url_prefix) in search_items:
            while True:
                ret = iter.forward_search(start_str,
                                          Gtk.TextSearchFlags.VISIBLE_ONLY,
                                          iter_end)
                # if we reach the end break the loop
                if not ret:
                    break
                # get the position of the protocol prefix
                (match_start, match_end) = ret
                match_suffix = match_end.copy()
                match_tmp = match_end.copy()
                while True:
                    # extend the selection to the complete search item
                    if match_tmp.forward_char():
                        text =  match_end.get_text(match_tmp)
                        if text in end_list:
                            break
                        # move one char futher to get two char
                        # end-markers (and back later) LP: #396393
                        match_tmp.forward_char()
                        text =  match_end.get_text(match_tmp)
                        if text in end_list:
                            break
                        match_tmp.backward_char()
                    else:
                        break
                    match_end = match_tmp.copy()

                # call the tagging method for the complete URL
                url = url_prefix + match_suffix.get_text(match_end)

                self.tag_link(match_start, match_end, url)
                # set the starting point for the next search
                iter = match_end

    def button_press_event(self, text_view, event):
        """callback for mouse click events"""
        # we only react on left or right mouse clicks
        if event.button != 1 and event.button != 3:
            return False

        # try to get a selection
        try:
            (start, end) = self.buffer.get_selection_bounds()
        except ValueError:
            pass
        else:
            if start.get_offset() != end.get_offset():
                return False

        # get the iter at the mouse position
        (x, y) = self.window_to_buffer_coords(Gtk.TextWindowType.WIDGET,
                                              int(event.x), int(event.y))
        iter = self.get_iter_at_location(x, y)
        
        # call open_url or menu.popup if an URL is assigned to the iter
        tags = iter.get_tags()
        for tag in tags:
            url = tag.get_data("url")
            if url != None:
                if event.button == 1: 
                    open_url(url)
                    break
                if event.button == 3:
                    self.create_context_menu(url)
                    self.menu.popup(None, None, None, None, event.button, event.time)
                    return True

    def motion_notify_event(self, text_view, event):
        """callback for the mouse movement event, that calls the
           check_hovering method with the mouse postition coordiantes"""
        x, y = text_view.window_to_buffer_coords(Gtk.TextWindowType.WIDGET,
                                                 int(event.x), int(event.y))
        self.check_hovering(x, y)
        self.get_window(Gtk.TextWindowType.TEXT).get_pointer()
        return False
    
    def visibility_notify_event(self, text_view, event):
        """callback if the widgets gets visible (e.g. moves to the foreground)
           that calls the check_hovering method with the mouse position
           coordinates"""
        (screen, wx, wy, mod) = text_view.get_window(Gtk.TextWindowType.TEXT).get_pointer()
        (bx, by) = text_view.window_to_buffer_coords(Gtk.TextWindowType.WIDGET, wx,
                                                     wy)
        self.check_hovering(bx, by)
        return False

    def check_hovering(self, x, y):
        """Check if the mouse is above a tagged link and if yes show
           a hand cursor"""
        _hovering = False
        # get the iter at the mouse position
        iter = self.get_iter_at_location(x, y)
        
        # set _hovering if the iter has the tag "url"
        tags = iter.get_tags()
        for tag in tags:
            url = tag.get_data("url")
            if url != None:
                _hovering = True
                break

        # change the global hovering state
        if _hovering != self.hovering or self.first == True:
            self.first = False
            self.hovering = _hovering
            # Set the appropriate cursur icon
            if self.hovering:
                self.get_window(Gtk.TextWindowType.TEXT).\
                        set_cursor(Gdk.Cursor.new(Gdk.CursorType.HAND2))
            else:
                self.get_window(Gtk.TextWindowType.TEXT).\
                        set_cursor(Gdk.Cursor.new(Gdk.CursorType.LEFT_PTR))


if __name__ == "__main__":
    w = Gtk.Window()
    cv = ChangelogViewer()
    changes = cv.get_buffer()
    changes.create_tag("versiontag", weight=Pango.Weight.BOLD)
    changes.set_text("""

Version 6-14-0ubuntu1.9.04:

  * New upstream version. LP: #382918.
    Release notes at http://java.sun.com/javase/6/webnotes/ReleaseNotes.html.

""")

    w.add(cv)
    w.show_all()
    Gtk.main()