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Commit 37169017 authored by Thilo Molitor's avatar Thilo Molitor
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[preview] Port to Gtk3

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url_image_preview/__init__.py
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− 0
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# simple redirect
from .url_image_preview import UrlImagePreviewPlugin from .url_image_preview import UrlImagePreviewPlugin
url_image_preview/config_dialog.ui
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<?xml version="1.0"?> <?xml version="1.0" encoding="UTF-8"?>
<interface> <interface>
<requires lib="gtk+" version="2.16"/> <requires lib="gtk+" version="3.0"/>
<!-- interface-naming-policy toplevel-contextual --> <object class="GtkListStore" id="liststore1">
<columns>
<!-- column-name Text -->
<column type="gchararray"/>
</columns>
<data>
<row>
<col id="0" translatable="yes">256 KiB</col>
</row>
<row>
<col id="0" translatable="yes">512 KiB</col>
</row>
<row>
<col id="0" translatable="yes">1 MiB</col>
</row>
<row>
<col id="0" translatable="yes">5 MiB</col>
</row>
<row>
<col id="0" translatable="yes">10 MiB</col>
</row>
</data>
</object>
<object class="GtkListStore" id="liststore2">
<columns>
<!-- column-name Text -->
<column type="gchararray"/>
</columns>
<data>
<row>
<col id="0" translatable="yes">Open</col>
</row>
<row>
<col id="0" translatable="yes">Save as</col>
</row>
<row>
<col id="0" translatable="yes">Copy Link Location</col>
</row>
<row>
<col id="0" translatable="yes">Open Link in Browser</col>
</row>
<row>
<col id="0" translatable="yes">Open Downloaded File in Browser</col>
</row>
</data>
</object>
<object class="GtkWindow" id="window1"> <object class="GtkWindow" id="window1">
<property name="can_focus">False</property>
<child> <child>
<object class="GtkVBox" id="vbox1"> <object class="GtkVBox" id="vbox1">
<property name="visible">True</property> <property name="visible">True</property>
<property name="orientation">vertical</property> <property name="can_focus">False</property>
<property name="border_width">9</property>
<child> <child>
<object class="GtkHBox" id="hbox2"> <object class="GtkFrame" id="frame1">
<property name="visible">True</property> <property name="visible">True</property>
<property name="can_focus">False</property>
<property name="label_xalign">0</property>
<property name="shadow_type">none</property>
<child> <child>
<object class="GtkLabel" id="preview_size_lebel"> <object class="GtkTable" id="table1">
<property name="width_request">133</property>
<property name="visible">True</property>
<property name="xalign">0.029999999329447746</property>
<property name="label" translatable="yes">Preview size</property>
<property name="ellipsize">start</property>
<property name="single_line_mode">True</property>
<property name="track_visited_links">False</property>
</object>
<packing>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkSpinButton" id="preview_size">
<property name="visible">True</property> <property name="visible">True</property>
<property name="can_focus">True</property> <property name="can_focus">False</property>
<property name="has_tooltip">True</property> <property name="n_rows">3</property>
<property name="tooltip_text" translatable="yes">Preview size(10-512)</property> <property name="n_columns">2</property>
<property name="invisible_char">&#x25CF;</property> <child>
<property name="width_chars">6</property> <object class="GtkSpinButton" id="preview_size">
<property name="snap_to_ticks">True</property> <property name="visible">True</property>
<property name="numeric">True</property> <property name="can_focus">True</property>
<signal name="value_changed" handler="preview_size_value_changed"/> <property name="invisible_char">&#x25CF;</property>
<property name="width_chars">6</property>
<property name="primary_icon_activatable">False</property>
<property name="secondary_icon_activatable">False</property>
<property name="primary_icon_sensitive">True</property>
<property name="secondary_icon_sensitive">True</property>
<property name="snap_to_ticks">True</property>
<property name="numeric">True</property>
<signal name="value-changed" handler="preview_size_value_changed" swapped="no"/>
</object>
<packing>
<property name="left_attach">1</property>
<property name="right_attach">2</property>
<property name="y_options"/>
</packing>
</child>
<child>
<object class="GtkComboBox" id="max_size_combobox">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="model">liststore1</property>
<signal name="changed" handler="max_size_value_changed" swapped="no"/>
<child>
<object class="GtkCellRendererText" id="cellrenderertext1"/>
<attributes>
<attribute name="text">0</attribute>
</attributes>
</child>
</object>
<packing>
<property name="left_attach">1</property>
<property name="right_attach">2</property>
<property name="top_attach">1</property>
<property name="bottom_attach">2</property>
<property name="y_options">GTK_EXPAND</property>
</packing>
</child>
<child>
<object class="GtkComboBox" id="leftclick_action_combobox">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="model">liststore2</property>
<signal name="changed" handler="leftclick_action_changed" swapped="no"/>
<child>
<object class="GtkCellRendererText" id="cellrenderertext2"/>
<attributes>
<attribute name="text">0</attribute>
</attributes>
</child>
</object>
<packing>
<property name="left_attach">1</property>
<property name="right_attach">2</property>
<property name="top_attach">2</property>
<property name="bottom_attach">3</property>
<property name="y_options">GTK_EXPAND</property>
</packing>
</child>
<child>
<object class="GtkLabel" id="max_size_label">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="xalign">0</property>
<property name="xpad">13</property>
<property name="label" translatable="yes">Accept files smaller then</property>
<property name="track_visited_links">False</property>
</object>
<packing>
<property name="top_attach">1</property>
<property name="bottom_attach">2</property>
<property name="y_options">GTK_EXPAND</property>
</packing>
</child>
<child>
<object class="GtkLabel" id="preview_size_label">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="xalign">0</property>
<property name="xpad">12</property>
<property name="label" translatable="yes">Preview size</property>
<property name="track_visited_links">False</property>
</object>
<packing>
<property name="y_options">GTK_EXPAND</property>
</packing>
</child>
<child>
<object class="GtkLabel" id="leftclick_action_label">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="xalign">0</property>
<property name="xpad">12</property>
<property name="label" translatable="yes">Left click action</property>
<property name="track_visited_links">False</property>
</object>
<packing>
<property name="y_options">GTK_EXPAND</property>
<property name="top_attach">2</property>
<property name="bottom_attach">3</property>
<property name="y_options">GTK_EXPAND</property>
</packing>
</child>
</object> </object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">1</property>
</packing>
</child> </child>
</object> </object>
<packing> <packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="padding">6</property>
<property name="position">0</property> <property name="position">0</property>
</packing> </packing>
</child> </child>
<child>
<placeholder/>
</child>
</object> </object>
</child> </child>
</object> </object>
......
url_image_preview/context_menu.ui 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<interface>
<requires lib="gtk+" version="3.0"/>
<object class="GtkImage" id="image1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="stock">gtk-open</property>
</object>
<object class="GtkImage" id="image2">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="stock">gtk-save-as</property>
</object>
<object class="GtkImage" id="image3">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="stock">gtk-copy</property>
</object>
<object class="GtkImage" id="image4">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="stock">gtk-jump-to</property>
</object>
<object class="GtkImage" id="image5">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="stock">gtk-jump-to</property>
</object>
<object class="GtkMenu" id="context_menu">
<property name="can_focus">False</property>
<child>
<object class="GtkImageMenuItem" id="open_menuitem">
<property name="label" translatable="yes">_Open</property>
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="use_underline">True</property>
<property name="image">image1</property>
<property name="use_stock">False</property>
<property name="always_show_image">True</property>
</object>
</child>
<child>
<object class="GtkImageMenuItem" id="save_as_menuitem">
<property name="label" translatable="yes">_Save as</property>
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="use_underline">True</property>
<property name="image">image2</property>
<property name="use_stock">False</property>
<property name="always_show_image">True</property>
</object>
</child>
<child>
<object class="GtkSeparatorMenuItem" id="encryption_separator">
<property name="visible">True</property>
<property name="can_focus">False</property>
</object>
</child>
<child>
<object class="GtkImageMenuItem" id="copy_link_location_menuitem">
<property name="label" translatable="yes">_Copy Link Location</property>
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="use_underline">True</property>
<property name="image">image3</property>
<property name="use_stock">False</property>
<property name="always_show_image">True</property>
</object>
</child>
<child>
<object class="GtkImageMenuItem" id="open_link_in_browser_menuitem">
<property name="label" translatable="yes">Open Link in _Browser</property>
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="use_underline">True</property>
<property name="image">image4</property>
<property name="use_stock">False</property>
<property name="always_show_image">True</property>
</object>
</child>
<child>
<object class="GtkSeparatorMenuItem" id="extras_separator">
<property name="visible">True</property>
<property name="can_focus">False</property>
</object>
</child>
<child>
<object class="GtkImageMenuItem" id="open_file_in_browser_menuitem">
<property name="label" translatable="yes">Open _Downloaded File in Browser</property>
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="use_underline">True</property>
<property name="image">image5</property>
<property name="use_stock">False</property>
<property name="always_show_image">True</property>
</object>
</child>
</object>
</interface>
url_image_preview/http_functions.py 0 → 100644
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# -*- coding: utf-8 -*-
##
## This file is part of Gajim.
##
## Gajim 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; version 3 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
##
import urllib.request as urllib2
import socket
import re
from gajim.common import app
from gajim.common import helpers
import logging
import os
if os.name == 'nt':
import certifi
if app.HAVE_PYCURL:
import pycurl
from io import StringIO
log = logging.getLogger('gajim.plugin_system.url_image_preview.http_functions')
def get_http_head(account, url):
# Check if proxy is used
proxy = helpers.get_proxy_info(account)
if proxy and proxy['type'] in ('http', 'socks5'):
return _get_http_head_proxy(url, proxy)
return _get_http_head_direct(url)
def get_http_file(account, attrs):
# Check if proxy is used
proxy = helpers.get_proxy_info(account)
if proxy and proxy['type'] in ('http', 'socks5'):
return _get_http_proxy(attrs, proxy)
else:
return _get_http_direct(attrs)
def _get_http_head_direct(url):
log.debug('Head request direct for URL: %s' % url)
try:
req = urllib2.Request(url)
req.get_method = lambda: 'HEAD'
req.add_header('User-Agent', 'Gajim %s' % app.version)
if os.name == 'nt':
f = urllib2.urlopen(req, cafile=certifi.where())
else:
f = urllib2.urlopen(req)
except Exception as ex:
log.debug('Could not get head response for URL: %s' % url)
log.debug("%s" % str(ex))
return ('', 0)
ctype = f.headers['Content-Type']
clen = f.headers['Content-Length']
try:
clen = int(clen)
except ValueError:
pass
return (ctype, clen)
def _get_http_head_proxy(url, proxy):
log.debug('Head request with proxy for URL: %s' % url)
if not app.HAVE_PYCURL:
log.error('PYCURL not installed')
return ('', 0)
headers = ''
try:
b = StringIO()
c = pycurl.Curl()
c.setopt(pycurl.URL, url.encode('utf-8'))
c.setopt(pycurl.FOLLOWLOCATION, 1)
# Make a HEAD request:
c.setopt(pycurl.CUSTOMREQUEST, 'HEAD')
c.setopt(pycurl.NOBODY, 1)
c.setopt(pycurl.HEADER, 1)
c.setopt(pycurl.MAXFILESIZE, 2000000)
c.setopt(pycurl.WRITEFUNCTION, b.write)
c.setopt(pycurl.USERAGENT, 'Gajim ' + app.version)
# set proxy
c.setopt(pycurl.PROXY, proxy['host'].encode('utf-8'))
c.setopt(pycurl.PROXYPORT, proxy['port'])
if proxy['useauth']:
c.setopt(pycurl.PROXYUSERPWD, proxy['user'].encode('utf-8') +
':' + proxy['pass'].encode('utf-8'))
c.setopt(pycurl.PROXYAUTH, pycurl.HTTPAUTH_ANY)
if proxy['type'] == 'http':
c.setopt(pycurl.PROXYTYPE, pycurl.PROXYTYPE_HTTP)
elif proxy['type'] == 'socks5':
c.setopt(pycurl.PROXYTYPE, pycurl.PROXYTYPE_SOCKS5)
x = c.perform()
c.close()
headers = b.getvalue()
except pycurl.error as ex:
log.debug('Could not get head response for URL: %s' % url)
log.debug("%s" % str(ex))
return ('', 0)
ctype = ''
searchObj = re.search(r'^Content-Type: (.*)$', headers, re.M | re.I)
if searchObj:
ctype = searchObj.group(1).strip()
clen = 0
searchObj = re.search(r'^Content-Length: (.*)$', headers, re.M | re.I)
if searchObj:
try:
clen = int(searchObj.group(1).strip())
except ValueError:
pass
return (ctype, clen)
def _get_http_direct(attrs):
"""
Download a file. This function should
be launched in a separated thread.
"""
log.debug('Get request direct for URL: %s' % attrs['src'])
mem, alt, max_size = b'', '', 2 * 1024 * 1024
if 'max_size' in attrs:
max_size = attrs['max_size']
try:
req = urllib2.Request(attrs['src'])
req.add_header('User-Agent', 'Gajim ' + app.version)
if os.name == 'nt':
f = urllib2.urlopen(req, cafile=certifi.where())
else:
f = urllib2.urlopen(req)
except Exception as ex:
log.debug('Error loading file %s '
% attrs['src'] + str(ex))
pixbuf = None
alt = attrs.get('alt', 'Broken image')
else:
while True:
try:
temp = f.read(100)
except socket.timeout as ex:
log.debug('Timeout loading image %s '
% attrs['src'] + str(ex))
alt = attrs.get('alt', '')
if alt:
alt += '\n'
alt += _('Timeout loading image')
break
if temp:
mem += temp
else:
break
if len(mem) > max_size:
alt = attrs.get('alt', '')
if alt:
alt += '\n'
alt += _('Image is too big')
break
return (mem, alt)
def _get_http_proxy(attrs, proxy):
"""
Download an image through a proxy.
This function should be launched in a
separated thread.
"""
log.debug('Get request with proxy for URL: %s' % attrs['src'])
if not app.HAVE_PYCURL:
log.error('PYCURL not installed')
return '', _('PyCURL is not installed')
mem, alt, max_size = '', '', 2 * 1024 * 1024
if 'max_size' in attrs:
max_size = attrs['max_size']
try:
b = StringIO()
c = pycurl.Curl()
c.setopt(pycurl.URL, attrs['src'].encode('utf-8'))
c.setopt(pycurl.FOLLOWLOCATION, 1)
c.setopt(pycurl.MAXFILESIZE, max_size)
c.setopt(pycurl.WRITEFUNCTION, b.write)
c.setopt(pycurl.USERAGENT, 'Gajim ' + app.version)
# set proxy
c.setopt(pycurl.PROXY, proxy['host'].encode('utf-8'))
c.setopt(pycurl.PROXYPORT, proxy['port'])
if proxy['useauth']:
c.setopt(pycurl.PROXYUSERPWD, proxy['user'].encode('utf-8') +
':' + proxy['pass'].encode('utf-8'))
c.setopt(pycurl.PROXYAUTH, pycurl.HTTPAUTH_ANY)
if proxy['type'] == 'http':
c.setopt(pycurl.PROXYTYPE, pycurl.PROXYTYPE_HTTP)
elif proxy['type'] == 'socks5':
c.setopt(pycurl.PROXYTYPE, pycurl.PROXYTYPE_SOCKS5)
x = c.perform()
c.close()
t = b.getvalue()
return (t, attrs.get('alt', ''))
except pycurl.error as ex:
alt = attrs.get('alt', '')
if alt:
alt += '\n'
if ex[0] == pycurl.E_FILESIZE_EXCEEDED:
alt += _('Image is too big')
elif ex[0] == pycurl.E_OPERATION_TIMEOUTED:
alt += _('Timeout loading image')
else:
alt += _('Error loading image')
except Exception as ex:
log.debug('Error loading file %s ' % attrs['src'] + str(ex))
pixbuf = None
alt = attrs.get('alt', 'Broken image')
return ('', alt)
url_image_preview/manifest.ini
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...@@ -2,8 +2,11 @@ ...@@ -2,8 +2,11 @@
name: Url image preview name: Url image preview
short_name: url_image_preview short_name: url_image_preview
version: 0.5.6 version: 0.5.6
description: Url image preview in chatbox. description: Displays a preview of links to images
authors = Denis Fomin <fominde@gmail.com> authors = Denis Fomin <fominde@gmail.com>
Yann Leboulanger <asterix@lagaule.org> Yann Leboulanger <asterix@lagaule.org>
homepage = http://trac-plugins.gajim.org/wiki/UrlImagePreviewPlugin Anders Sandblad <runeson@gmail.com>
Thilo Molitor <thilo@eightysoft.de>
Philipp Hoerist <philipp@hoerist.com>
homepage = https://dev.gajim.org/gajim/gajim-plugins/wikis/UrlImagePreviewPlugin
min_gajim_version: 0.16.11 min_gajim_version: 0.16.11
url_image_preview/url_image_preview.py
+ 599
− 73
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# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
##
## This file is part of Gajim.
##
## Gajim 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; version 3 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
##
from gi.repository import Gtk from gi.repository import Gtk, Gdk, GLib, GObject, GdkPixbuf, Gio
from gi.repository import GdkPixbuf
import re
import os import os
import hashlib
import binascii
from urllib.parse import urlparse
from io import BytesIO
import shutil
import logging
import nbxmpp
from gajim.common import app from gajim.common import app
from gajim.common import ged
from gajim.common import helpers from gajim.common import helpers
from gajim.common import configpaths
from gajim import dialogs
from gajim.plugins import GajimPlugin from gajim.plugins import GajimPlugin
from gajim.plugins.helpers import log_calls from gajim.plugins.helpers import log_calls
from gajim.plugins.gui import GajimPluginConfigDialog from gajim.plugins.gui import GajimPluginConfigDialog
from gajim.conversation_textview import TextViewImage from gajim.conversation_textview import TextViewImage
from .http_functions import get_http_head, get_http_file
EXTENSIONS = ('.png','.jpg','.jpeg','.gif','.raw','.svg') log = logging.getLogger('gajim.plugin_system.url_image_preview')
try:
from PIL import Image
except:
log.debug('Pillow not available')
try:
if os.name == 'nt':
from cryptography.hazmat.backends.openssl import backend
else:
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.ciphers import Cipher
from cryptography.hazmat.primitives.ciphers import algorithms
from cryptography.hazmat.primitives.ciphers.modes import GCM
decryption_available = True
except Exception as e:
DEP_MSG = 'For preview of encrypted images, ' \
'please install python-cryptography!'
log.debug('Cryptography Import Error: ' + str(e))
log.info('Decryption/Encryption disabled due to errors')
decryption_available = False
ACCEPTED_MIME_TYPES = ('image/png', 'image/jpeg', 'image/gif', 'image/raw',
'image/svg+xml', 'image/x-ms-bmp')
class UrlImagePreviewPlugin(GajimPlugin): class UrlImagePreviewPlugin(GajimPlugin):
@log_calls('UrlImagePreviewPlugin') @log_calls('UrlImagePreviewPlugin')
def init(self): def init(self):
self.description = _('Url image preview in chatbox.\n' if not decryption_available:
'Based on patch in ticket #5300:\n' self.available_text = DEP_MSG
'http://trac.gajim.org/attachment/ticket/5300.')
self.config_dialog = UrlImagePreviewPluginConfigDialog(self) self.config_dialog = UrlImagePreviewPluginConfigDialog(self)
self.events_handlers = {}
self.events_handlers['message-received'] = (
ged.PRECORE, self.handle_message_received)
self.gui_extension_points = { self.gui_extension_points = {
'chat_control_base': (self.connect_with_chat_control, 'chat_control_base': (self.connect_with_chat_control,
self.disconnect_from_chat_control), self.disconnect_from_chat_control),
'print_special_text': (self.print_special_text, 'print_special_text': (self.print_special_text, None), }
self.print_special_text1),}
self.config_default_values = { self.config_default_values = {
'PREVIEW_SIZE': (150, 'Preview size(10-512)'),} 'PREVIEW_SIZE': (150, 'Preview size(10-512)'),
self.chat_control = None 'MAX_FILE_SIZE': (524288, 'Max file size for image preview'),
self.controls = [] 'LEFTCLICK_ACTION': ('open_menuitem', 'Open')}
self.controls = {}
# remove oob tag if oob url == message text
def handle_message_received(self, event):
oob_node = event.stanza.getTag('x', namespace=nbxmpp.NS_X_OOB)
oob_url = None
oob_desc = None
if oob_node:
oob_url = oob_node.getTagData('url')
oob_desc = oob_node.getTagData('desc')
if oob_url and oob_url == event.msgtxt and \
(not oob_desc or oob_desc == ""):
log.debug("Detected oob tag containing same"
"url as the message text, deleting oob tag...")
event.stanza.delChild(oob_node)
@log_calls('UrlImagePreviewPlugin') @log_calls('UrlImagePreviewPlugin')
def connect_with_chat_control(self, chat_control): def connect_with_chat_control(self, chat_control):
account = chat_control.contact.account.name
self.chat_control = chat_control jid = chat_control.contact.jid
control = Base(self, self.chat_control) if account not in self.controls:
self.controls.append(control) self.controls[account] = {}
self.controls[account][jid] = Base(self, chat_control)
@log_calls('UrlImagePreviewPlugin') @log_calls('UrlImagePreviewPlugin')
def disconnect_from_chat_control(self, chat_control): def disconnect_from_chat_control(self, chat_control):
for control in self.controls: account = chat_control.contact.account.name
control.disconnect_from_chat_control() jid = chat_control.contact.jid
self.controls = [] self.controls[account][jid].deinit()
del self.controls[account][jid]
def print_special_text(self, tv, special_text, other_tags, graphics=True, def print_special_text(self, tv, special_text, other_tags, graphics=True,
additional_data={}): additional_data=None, iter_=None):
for control in self.controls: account = tv.account
if control.chat_control.conv_textview != tv: for jid in self.controls[account]:
if self.controls[account][jid].chat_control.conv_textview != tv:
continue continue
control.print_special_text(special_text, other_tags, graphics=True) self.controls[account][jid].print_special_text(
special_text, other_tags, graphics=graphics,
additional_data=additional_data, iter_=iter_)
return
def print_special_text1(self, chat_control, special_text, other_tags=None,
graphics=True, additional_data={}):
for control in self.controls:
if control.chat_control == chat_control:
control.disconnect_from_chat_control()
self.controls.remove(control)
class Base(object): class Base(object):
def __init__(self, plugin, chat_control): def __init__(self, plugin, chat_control):
self.plugin = plugin self.plugin = plugin
self.chat_control = chat_control self.chat_control = chat_control
self.textview = self.chat_control.conv_textview self.textview = self.chat_control.conv_textview
self.handlers = {}
def print_special_text(self, special_text, other_tags, graphics=True): self.directory = os.path.join(configpaths.gajimpaths['MY_DATA'],
if not app.interface.basic_pattern_re.match(special_text): 'downloads')
return self.thumbpath = os.path.join(configpaths.gajimpaths['MY_CACHE'],
'downloads.thumb')
try:
self._create_path(self.directory)
self._create_path(self.thumbpath)
except Exception as e:
log.error("Error creating download and/or thumbnail folder!")
raise
def deinit(self):
# remove all register handlers on wigets, created by self.xml
# to prevent circular references among objects
for i in list(self.handlers.keys()):
if self.handlers[i].handler_is_connected(i):
self.handlers[i].disconnect(i)
del self.handlers[i]
def print_special_text(self, special_text, other_tags, graphics=True,
additional_data=None, iter_=None):
# remove qip bbcode # remove qip bbcode
special_text = special_text.rsplit('[/img]')[0] special_text = special_text.rsplit('[/img]')[0]
name, extension = os.path.splitext(special_text) if special_text.startswith('www.'):
if extension.lower() not in EXTENSIONS:
return
if not special_text.startswith('http://') and \
special_text.startswith('www.'):
special_text = 'http://' + special_text special_text = 'http://' + special_text
if not special_text.startswith('ftp://') and \ if special_text.startswith('ftp.'):
special_text.startswith('ftp.'):
special_text = 'ftp://' + special_text special_text = 'ftp://' + special_text
# show pics preview urlparts = urlparse(special_text)
if urlparts.scheme not in ["https", "http", "ftp", "ftps", 'aesgcm'] or \
not urlparts.netloc:
log.info("Not accepting URL for image preview: %s" % special_text)
return
# Don't print the URL in the message window (in the calling function)
self.textview.plugin_modified = True
buffer_ = self.textview.tv.get_buffer() buffer_ = self.textview.tv.get_buffer()
iter_ = buffer_.get_end_iter() if not iter_:
mark = buffer_.create_mark(None, iter_, True) iter_ = buffer_.get_end_iter()
# start downloading image
app.thread_interface(helpers.download_image, [ # Show URL, until image is loaded (if ever)
self.textview.account, {'src': special_text}], self._update_img, ttt = buffer_.get_tag_table()
[mark]) repl_start = buffer_.create_mark(None, iter_, True)
buffer_.insert_with_tags(iter_, special_text,
def _update_img(self, mem_alt, mark): *[(ttt.lookup(t) if isinstance(t, str) else t) for t in ["url"]])
mem, alt = mem_alt repl_end = buffer_.create_mark(None, iter_, True)
if mem:
filename = os.path.basename(urlparts.path)
ext = os.path.splitext(filename)[1]
name = os.path.splitext(filename)[0]
namehash = hashlib.sha1(special_text.encode('utf-8')).hexdigest()
newfilename = name + '_' + namehash + ext
thumbfilename = name + '_' + namehash + '_thumb_' \
+ str(self.plugin.config['PREVIEW_SIZE']) + ext
filepath = os.path.join(self.directory, newfilename)
thumbpath = os.path.join(self.thumbpath, thumbfilename)
filepaths = [filepath, thumbpath]
key = ''
iv = ''
encrypted = False
if urlparts.fragment:
fragment = binascii.unhexlify(urlparts.fragment)
key = fragment[16:]
iv = fragment[:16]
if len(key) == 32 and len(iv) == 16:
encrypted = True
if not encrypted:
key = fragment[12:]
iv = fragment[:12]
if len(key) == 32 and len(iv) == 12:
encrypted = True
# file exists but thumbnail got deleted
if os.path.exists(filepath) and not os.path.exists(thumbpath):
with open(filepath, 'rb') as f:
mem = f.read()
f.closed
app.thread_interface(
self._save_thumbnail, [thumbpath, (mem, '')],
self._update_img, [special_text, repl_start,
repl_end, filepath, encrypted])
# display thumbnail if already downloadeded
# (but only if file also exists)
elif os.path.exists(filepath) and os.path.exists(thumbpath):
app.thread_interface(
self._load_thumbnail, [thumbpath],
self._update_img, [special_text, repl_start,
repl_end, filepath, encrypted])
# or download file, calculate thumbnail and finally display it
else:
if encrypted and not decryption_available:
log.debug('Please install Crytography to decrypt pictures')
else:
# First get the http head request
# which does not fetch data, just headers
# then check the mime type and filesize
if urlparts.scheme == 'aesgcm':
special_text = 'https://' + special_text[9:]
app.thread_interface(
get_http_head, [self.textview.account, special_text],
self._check_mime_size, [special_text, repl_start, repl_end,
filepaths, key, iv, encrypted])
def _save_thumbnail(self, thumbpath, tuple_arg):
mem, alt = tuple_arg
size = self.plugin.config['PREVIEW_SIZE']
use_Gtk = False
output = None
try:
output = BytesIO()
im = Image.open(BytesIO(mem))
im.thumbnail((size, size), Image.ANTIALIAS)
im.save(output, "jpeg", quality=100, optimize=True)
mem = output.getvalue()
output.close()
except Exception as e:
if output:
output.close()
log.info("Failed to load image using pillow, "
"falling back to gdk pixbuf.")
log.debug(e)
use_Gtk = True
if use_Gtk:
log.info("Pillow not available or file corrupt, "
"trying to load using gdk pixbuf.")
try: try:
loader = GdkPixbuf.PixbufLoader() loader = GdkPixbuf.PixbufLoader()
loader.write(mem) loader.write(mem)
loader.close() loader.close()
pixbuf = loader.get_pixbuf() pixbuf = loader.get_pixbuf()
pixbuf, w, h = self.get_pixbuf_of_size(pixbuf, pixbuf, w, h = self._get_pixbuf_of_size(pixbuf, size)
self.plugin.config['PREVIEW_SIZE'])
buffer_ = mark.get_buffer() ok, mem = pixbuf.save_to_bufferv("jpeg", ["quality"], ["100"])
end_iter = buffer_.get_iter_at_mark(mark) except Exception as e:
anchor = buffer_.create_child_anchor(end_iter) log.info("Failed to load image using gdk pixbuf, "
img = TextViewImage(anchor, alt) "ignoring image.")
img.set_from_pixbuf(pixbuf) log.debug(e)
img.show() return ('', '')
self.textview.tv.add_child_at_anchor(img, anchor)
try:
self._create_path(os.path.dirname(thumbpath))
self._write_file(thumbpath, mem)
except Exception as e:
dialogs.ErrorDialog(
_('Could not save file'),
_('Exception raised while saving thumbnail '
'for image file (see error log for more '
'information)'),
transient_for=self.chat_control.parent_win.window)
log.error(str(e))
return (mem, alt)
def _load_thumbnail(self, thumbpath):
with open(thumbpath, 'rb') as f:
mem = f.read()
f.closed
return (mem, '')
def _write_file(self, path, data):
log.info("Writing '%s' of size %d..." % (path, len(data)))
try:
with open(path, "wb") as output_file:
output_file.write(data)
output_file.closed
except Exception as e:
log.error("Failed to write file '%s'!" % path)
raise
def _update_img(self, tuple_arg, url, repl_start, repl_end,
filepath, encrypted):
mem, alt = tuple_arg
if mem:
try:
urlparts = urlparse(url)
filename = os.path.basename(urlparts.path)
eb = Gtk.EventBox()
eb.connect('button-press-event', self.on_button_press_event,
filepath, filename, url, encrypted)
eb.connect('enter-notify-event', self.on_enter_event)
eb.connect('leave-notify-event', self.on_leave_event)
# this is threadsafe
# (Gtk textview is NOT threadsafe by itself!!)
def add_to_textview():
try: # textview closed in the meantime etc.
buffer_ = repl_start.get_buffer()
iter_ = buffer_.get_iter_at_mark(repl_start)
buffer_.insert(iter_, "\n")
anchor = buffer_.create_child_anchor(iter_)
# Use url as tooltip for image
img = TextViewImage(anchor, url)
loader = GdkPixbuf.PixbufLoader()
loader.write(mem)
loader.close()
pixbuf = loader.get_pixbuf()
img.set_from_pixbuf(pixbuf)
eb.add(img)
eb.show_all()
self.textview.tv.add_child_at_anchor(eb, anchor)
buffer_.delete(iter_,
buffer_.get_iter_at_mark(repl_end))
except Exception as ex:
log.warn("Exception while loading %s: %s" % (str(url), str(ex)))
return False
# add to mainloop --> make call threadsafe
GObject.idle_add(add_to_textview)
except Exception: except Exception:
pass # URL is already displayed
log.error('Could not display image for URL: %s'
% url)
raise
else:
# If image could not be downloaded, URL is already displayed
log.error('Could not download image for URL: %s -- %s'
% (url, alt))
def get_pixbuf_of_size(self, pixbuf, size): def _check_mime_size(self, tuple_arg,
url, repl_start, repl_end, filepaths,
key, iv, encrypted):
file_mime, file_size = tuple_arg
# Check if mime type is acceptable
if file_mime == '' and file_size == 0:
log.info("Failed to load HEAD Request for URL: '%s'"
"(see debug log for more info)" % url)
# URL is already displayed
return
if file_mime.lower() not in ACCEPTED_MIME_TYPES:
log.info("Not accepted mime type '%s' for URL: '%s'"
% (file_mime.lower(), url))
# URL is already displayed
return
# Check if file size is acceptable
if file_size > self.plugin.config['MAX_FILE_SIZE'] or file_size == 0:
log.info("File size (%s) too big or unknown (zero) for URL: '%s'"
% (str(file_size), url))
# URL is already displayed
return
attributes = {'src': url,
'max_size': self.plugin.config['MAX_FILE_SIZE'],
'filepaths': filepaths,
'key': key,
'iv': iv}
app.thread_interface(
self._download_image, [self.textview.account,
attributes, encrypted],
self._update_img, [url, repl_start, repl_end,
filepaths[0], encrypted])
def _download_image(self, account, attributes, encrypted):
filepath = attributes['filepaths'][0]
thumbpath = attributes['filepaths'][1]
key = attributes['key']
iv = attributes['iv']
mem, alt = get_http_file(account, attributes)
# Decrypt file if necessary
if encrypted:
mem = self._aes_decrypt_fast(key, iv, mem)
try:
# Write file to harddisk
self._write_file(filepath, mem)
except Exception as e:
dialogs.ErrorDialog(
_('Could not save file'),
_('Exception raised while saving image file'
' (see error log for more information)'),
transient_for=self.chat_control.parent_win.window)
log.error(str(e))
# Create thumbnail, write it to harddisk and return it
return self._save_thumbnail(thumbpath, (mem, alt))
def _create_path(self, folder):
if os.path.exists(folder):
return
log.debug("creating folder '%s'" % folder)
os.mkdir(folder, 0o700)
def _aes_decrypt_fast(self, key, iv, payload):
# Use AES128 GCM with the given key and iv to decrypt the payload.
if os.name == 'nt':
be = backend
else:
be = default_backend()
data = payload[:-16]
tag = payload[-16:]
decryptor = Cipher(
algorithms.AES(key),
GCM(iv, tag=tag),
backend=be).decryptor()
return decryptor.update(data) + decryptor.finalize()
def _get_pixbuf_of_size(self, pixbuf, size):
# Creates a pixbuf that fits in the specified square of sizexsize # Creates a pixbuf that fits in the specified square of sizexsize
# while preserving the aspect ratio # while preserving the aspect ratio
# Returns tuple: (scaled_pixbuf, actual_width, actual_height) # Returns tuple: (scaled_pixbuf, actual_width, actual_height)
...@@ -127,28 +453,198 @@ class Base(object): ...@@ -127,28 +453,198 @@ class Base(object):
image_height = int(size) image_height = int(size)
crop_pixbuf = pixbuf.scale_simple(image_width, image_height, crop_pixbuf = pixbuf.scale_simple(image_width, image_height,
GdkPixbuf.InterpType.BILINEAR) GdkPixbuf.InterpType.BILINEAR)
return (crop_pixbuf, image_width, image_height) return (crop_pixbuf, image_width, image_height)
def make_rightclick_menu(self, event, data):
xml = Gtk.Builder()
xml.set_translation_domain('gajim_plugins')
xml.add_from_file(self.plugin.local_file_path('context_menu.ui'))
menu = xml.get_object('context_menu')
open_menuitem = xml.get_object('open_menuitem')
save_as_menuitem = xml.get_object('save_as_menuitem')
copy_link_location_menuitem = \
xml.get_object('copy_link_location_menuitem')
open_link_in_browser_menuitem = \
xml.get_object('open_link_in_browser_menuitem')
open_file_in_browser_menuitem = \
xml.get_object('open_file_in_browser_menuitem')
extras_separator = \
xml.get_object('extras_separator')
if data["encrypted"]:
open_link_in_browser_menuitem.hide()
if app.config.get('autodetect_browser_mailer') \
or app.config.get('custombrowser') == '':
extras_separator.hide()
open_file_in_browser_menuitem.hide()
id_ = open_menuitem.connect(
'activate', self.on_open_menuitem_activate, data)
self.handlers[id_] = open_menuitem
id_ = save_as_menuitem.connect(
'activate', self.on_save_as_menuitem_activate, data)
self.handlers[id_] = save_as_menuitem
id_ = copy_link_location_menuitem.connect(
'activate', self.on_copy_link_location_menuitem_activate, data)
self.handlers[id_] = copy_link_location_menuitem
id_ = open_link_in_browser_menuitem.connect(
'activate', self.on_open_link_in_browser_menuitem_activate, data)
self.handlers[id_] = open_link_in_browser_menuitem
id_ = open_file_in_browser_menuitem.connect(
'activate', self.on_open_file_in_browser_menuitem_activate, data)
self.handlers[id_] = open_file_in_browser_menuitem
return menu
def on_open_menuitem_activate(self, menu, data):
filepath = data["filepath"]
helpers.launch_file_manager(filepath)
def on_save_as_menuitem_activate(self, menu, data):
filepath = data["filepath"]
original_filename = data["original_filename"]
def on_continue(response, target_path):
if response < 0:
return
shutil.copy(filepath, target_path)
dialog.destroy()
def on_ok(widget):
target_path = dialog.get_filename()
if os.path.exists(target_path):
# check if we have write permissions
if not os.access(target_path, os.W_OK):
file_name = os.path.basename(target_path)
dialogs.ErrorDialog(
_('Cannot overwrite existing file "%s"') % file_name,
_('A file with this name already exists and you do '
'not have permission to overwrite it.'))
return
dialog2 = dialogs.FTOverwriteConfirmationDialog(
_('This file already exists'),
_('What do you want to do?'),
propose_resume=False,
on_response=(on_continue, target_path),
transient_for=dialog)
dialog2.set_destroy_with_parent(True)
else:
dirname = os.path.dirname(target_path)
if not os.access(dirname, os.W_OK):
dialogs.ErrorDialog(
_('Directory "%s" is not writable') % dirname,
_('You do not have permission to '
'create files in this directory.'))
return
on_continue(0, target_path)
def on_cancel(widget):
dialog.destroy()
dialog = dialogs.FileChooserDialog(
title_text=_('Save Image as...'),
action=Gtk.FileChooserAction.SAVE,
buttons=(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_SAVE, Gtk.ResponseType.OK),
default_response=Gtk.ResponseType.OK,
current_folder=app.config.get('last_save_dir'),
on_response_ok=on_ok,
on_response_cancel=on_cancel)
dialog.set_current_name(original_filename)
dialog.connect('delete-event', lambda widget, event:
on_cancel(widget))
def on_copy_link_location_menuitem_activate(self, menu, data):
url = data["url"]
clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
clipboard.set_text(url, -1)
clipboard.store()
def on_open_link_in_browser_menuitem_activate(self, menu, data):
url = data["url"]
if data["encrypted"]:
dialogs.ErrorDialog(
_('Encrypted file'),
_('You cannot open encrypted files in your '
'browser directly. Try "Open Downloaded File '
'in Browser" instead.'),
transient_for=self.chat_control.parent_win.window)
else:
helpers.launch_browser_mailer('url', url)
def on_open_file_in_browser_menuitem_activate(self, menu, data):
if os.name == "nt":
filepath = "file://" + os.path.abspath(data["filepath"])
else:
filepath = "file://" + data["filepath"]
if app.config.get('autodetect_browser_mailer') \
or app.config.get('custombrowser') == '':
dialogs.ErrorDialog(
_('Cannot open downloaded file in browser'),
_('You have to set a custom browser executable '
'in your gajim settings for this to work.'),
transient_for=self.chat_control.parent_win.window)
return
command = app.config.get('custombrowser')
command = helpers.build_command(command, filepath)
try:
helpers.exec_command(command)
except Exception:
pass
# Change mouse pointer to HAND2 when
# mouse enter the eventbox with the image
def on_enter_event(self, eb, event):
self.textview.tv.get_window(
Gtk.TextWindowType.TEXT).set_cursor(Gdk.Cursor(Gdk.CursorType.HAND2))
# Change mouse pointer to default when mouse leaves the eventbox
def on_leave_event(self, eb, event):
self.textview.tv.get_window(
Gtk.TextWindowType.TEXT).set_cursor(Gdk.Cursor(Gdk.CursorType.XTERM))
def on_button_press_event(self, eb, event, filepath,
original_filename, url, encrypted):
data = {"filepath": filepath,
"original_filename": original_filename,
"url": url,
"encrypted": encrypted}
# left click
if event.type == Gdk.EventType.BUTTON_PRESS and event.button == 1:
method = getattr(self, "on_"
+ self.plugin.config['LEFTCLICK_ACTION']
+ "_activate")
method(event, data)
# right klick
elif event.type == Gdk.EventType.BUTTON_PRESS and event.button == 3:
menu = self.make_rightclick_menu(event, data)
#menu.attach_to_widget(self.tv, None)
#menu.popup(None, None, None, event.button, event.time)
menu.popup_at_pointer(event)
def disconnect_from_chat_control(self): def disconnect_from_chat_control(self):
pass pass
class UrlImagePreviewPluginConfigDialog(GajimPluginConfigDialog): class UrlImagePreviewPluginConfigDialog(GajimPluginConfigDialog):
max_file_size = [262144, 524288, 1048576, 5242880, 10485760]
leftclick_action = ['open_menuitem', 'save_as_menuitem', 'copy_link_location_menuitem',
'open_link_in_browser_menuitem', 'open_file_in_browser_menuitem']
def init(self): def init(self):
self.GTK_BUILDER_FILE_PATH = self.plugin.local_file_path( self.GTK_BUILDER_FILE_PATH = self.plugin.local_file_path(
'config_dialog.ui') 'config_dialog.ui')
self.xml = Gtk.Builder() self.xml = Gtk.Builder()
self.xml.set_translation_domain('gajim_plugins') self.xml.set_translation_domain('gajim_plugins')
self.xml.add_objects_from_file(self.GTK_BUILDER_FILE_PATH, ['vbox1']) self.xml.add_objects_from_file(self.GTK_BUILDER_FILE_PATH, [
'vbox1', 'liststore1', 'liststore2'])
self.preview_size_spinbutton = self.xml.get_object('preview_size') self.preview_size_spinbutton = self.xml.get_object('preview_size')
adjustment = Gtk.Adjustment(value=20, self.preview_size_spinbutton.get_adjustment().configure(20, 10, 512, 1,
lower=10, 10, 0)
upper=512, self.max_size_combobox = self.xml.get_object('max_size_combobox')
step_increment=1, self.leftclick_action_combobox = self.xml.get_object('leftclick_action_combobox')
page_increment=10,
page_size=0)
self.preview_size_spinbutton.set_adjustment(adjustment)
vbox = self.xml.get_object('vbox1') vbox = self.xml.get_object('vbox1')
self.get_child().pack_start(vbox, True, True, 0) self.get_child().pack_start(vbox, True, True, 0)
...@@ -157,7 +653,37 @@ class UrlImagePreviewPluginConfigDialog(GajimPluginConfigDialog): ...@@ -157,7 +653,37 @@ class UrlImagePreviewPluginConfigDialog(GajimPluginConfigDialog):
def on_run(self): def on_run(self):
self.preview_size_spinbutton.set_value(self.plugin.config[ self.preview_size_spinbutton.set_value(self.plugin.config[
'PREVIEW_SIZE']) 'PREVIEW_SIZE'])
value = self.plugin.config['MAX_FILE_SIZE']
if value:
# this fails if we upgrade from an old version
# which has other file size values than we have now
try:
self.max_size_combobox.set_active(
self.max_file_size.index(value))
except:
pass
else:
self.max_size_combobox.set_active(-1)
value = self.plugin.config['LEFTCLICK_ACTION']
if value:
# this fails if we upgrade from an old version
# which has other file size values than we have now
try:
self.leftclick_action_combobox.set_active(
self.leftclick_action.index(value))
except:
pass
else:
self.leftclick_action_combobox.set_active(0)
def preview_size_value_changed(self, spinbutton): def preview_size_value_changed(self, spinbutton):
self.plugin.config['PREVIEW_SIZE'] = spinbutton.get_value() self.plugin.config['PREVIEW_SIZE'] = spinbutton.get_value()
def max_size_value_changed(self, widget):
self.plugin.config['MAX_FILE_SIZE'] = self.max_file_size[
self.max_size_combobox.get_active()]
def leftclick_action_changed(self, widget):
self.plugin.config['LEFTCLICK_ACTION'] = self.leftclick_action[
self.leftclick_action_combobox.get_active()]
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