# Copyright (C) 2006, Red Hat, Inc. # Copyright (C) 2009 Martin Langhoff, Simon Schampijer, Daniel Drake, # Tomeu Vizoso # # 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA import logging from gettext import gettext as _ from gettext import ngettext import os import gi gi.require_version('Gtk', '3.0') try: incompatible = False gi.require_version('WebKit2', '4.1') except BaseException: incompatible = True gi.require_version('Soup', '3.0') from gi.repository import GObject GObject.threads_init() from gi.repository import Gtk from gi.repository import Gdk from gi.repository import Gio from gi.repository import WebKit2 from gi.repository import Soup from base64 import b64decode, b64encode import time import shutil import json import cairo import io from hashlib import sha1 from sugar3.activity import activity from sugar3.activity.widgets import StopButton from sugar3.graphics import style from sugar3.graphics.alert import Alert from sugar3.graphics.alert import NotifyAlert from sugar3.graphics.icon import Icon from sugar3.graphics.animator import Animator, Animation from sugar3 import mime from sugar3.graphics.toolbarbox import ToolbarBox, ToolbarButton from sugar3 import profile from collabwrapper import CollabWrapper from widgets import TitledTray PROFILE_VERSION = 2 THUMB_WIDTH, THUMB_HEIGHT = style.zoom(100), style.zoom(80) _profile_version = 0 _profile_path = os.path.join(activity.get_activity_root(), 'data/gecko') _version_file = os.path.join(_profile_path, 'version') _cookies_db_path = os.path.join(_profile_path, 'cookies.sqlite') if os.path.exists(_version_file): f = open(_version_file) _profile_version = int(f.read()) f.close() if _profile_version < PROFILE_VERSION: if not os.path.exists(_profile_path): os.mkdir(_profile_path) if os.path.exists('cert8.db'): shutil.copy('cert8.db', _profile_path) else: # wikipedia activity use a empty file with open(os.path.join(_profile_path, 'cert8.db'), 'w') as cert_file: cert_file.write('') os.chmod(os.path.join(_profile_path, 'cert8.db'), 0o660) f = open(_version_file, 'w') f.write(str(PROFILE_VERSION)) f.close() def _seed_xs_cookie(cookie_jar): """Create a HTTP Cookie to authenticate with the Schoolserver. Do nothing if the laptop is not registered with Schoolserver, or if the cookie already exists. """ settings = Gio.Settings('org.sugarlabs') backup_url = settings.get_string('backup-url') if not backup_url: _logger.debug('seed_xs_cookie: Not registered with Schoolserver') return settings = Gio.Settings('org.sugarlabs.collaboration') jabber_server = settings.get_string('jabber-server') glib_uri = GLib.Uri.build(GLib.UriFlags.NONE, 'xmpp', None, jabber_server, -1, '/', None, None) xs_cookie = cookie_jar.get_cookies(glib_uri, for_http=False) if xs_cookie is not None: _logger.debug('seed_xs_cookie: Cookie exists already') return pubkey = profile.get_profile().pubkey cookie_data = {'color': profile.get_color().to_string(), 'pkey_hash': sha1(pubkey).hexdigest()} expire = int(time.time()) + 10 * 365 * 24 * 60 * 60 xs_cookie = Soup.Cookie() xs_cookie.set_name('xoid') xs_cookie.set_value(json.dumps(cookie_data)) xs_cookie.set_domain(jabber_server) xs_cookie.set_path('/') xs_cookie.set_max_age(expire) cookie_jar.add_cookie(xs_cookie) _logger.debug('seed_xs_cookie: Updated cookie successfully') from browser import TabbedView from webtoolbar import PrimaryToolbar from edittoolbar import EditToolbar from viewtoolbar import ViewToolbar import downloadmanager # TODO: make the registration clearer SL #3087 from model import Model from linkbutton import LinkButton SERVICE = "org.laptop.WebActivity" IFACE = SERVICE PATH = "/org/laptop/WebActivity" _logger = logging.getLogger('web-activity') class WebActivity(activity.Activity): def __init__(self, handle): activity.Activity.__init__(self, handle) self._force_close = False if incompatible: return self._incompatible() self._collab = CollabWrapper(self) self._collab.message.connect(self.__message_cb) _logger.debug('Starting the web activity') # TODO PORT # session = WebKit2.get_default_session() # session.set_property('accept-language-auto', True) # session.set_property('ssl-use-system-ca-file', True) # session.set_property('ssl-strict', False) # But of a hack, but webkit doesn't let us change the cookie jar # contents, we we can just pre-seed it cookie_jar = Soup.CookieJarDB(filename=_cookies_db_path, read_only=False) _seed_xs_cookie(cookie_jar) del cookie_jar context = WebKit2.WebContext.get_default() cookie_manager = context.get_cookie_manager() cookie_manager.set_persistent_storage( _cookies_db_path, WebKit2.CookiePersistentStorage.SQLITE) # FIXME # downloadmanager.remove_old_parts() context.connect('download-started', self.__download_requested_cb) self._tabbed_view = TabbedView(self) self._tabbed_view.connect('focus-url-entry', self._on_focus_url_entry) self._tabbed_view.connect('switch-page', self.__switch_page_cb) self._titled_tray = TitledTray(_('Bookmarks')) self._tray = self._titled_tray.tray self.set_tray(self._titled_tray, Gtk.PositionType.BOTTOM) self._tray_links = {} self.model = Model() self.model.add_link_signal.connect(self._add_link_model_cb) self._primary_toolbar = PrimaryToolbar(self._tabbed_view, self) self._edit_toolbar = EditToolbar(self) self._view_toolbar = ViewToolbar(self) self._primary_toolbar.connect('add-link', self.__link_add_button_cb) self._primary_toolbar.connect('remove-link', self.__link_remove_button_cb) self._primary_toolbar.connect('go-home', self._go_home_button_cb) self._primary_toolbar.connect('go-library', self._go_library_button_cb) self._primary_toolbar.connect('set-home', self._set_home_button_cb) self._primary_toolbar.connect('reset-home', self._reset_home_button_cb) self._edit_toolbar_button = ToolbarButton( page=self._edit_toolbar, icon_name='toolbar-edit') self._primary_toolbar.toolbar.insert( self._edit_toolbar_button, 1) view_toolbar_button = ToolbarButton( page=self._view_toolbar, icon_name='toolbar-view') self._primary_toolbar.toolbar.insert( view_toolbar_button, 2) self._primary_toolbar.show_all() self.set_toolbar_box(self._primary_toolbar) self.set_canvas(self._tabbed_view) self._tabbed_view.show() self.connect('key-press-event', self._key_press_cb) if handle.uri: self._tabbed_view.current_browser.load_uri(handle.uri) elif not self._jobject.file_path: # TODO: we need this hack until we extend the activity API for # opening URIs and default docs. self._tabbed_view.load_homepage() # README: this is a workaround to remove old temp file # http://bugs.sugarlabs.org/ticket/3973 self._cleanup_temp_files() self._collab.setup() def __download_requested_cb(self, context, download): if hasattr(self, 'busy'): while self.unbusy() > 0: continue logging.debug('__download_requested_cb %r', download.get_request().get_uri()) downloadmanager.add_download(download, self) return True def fullscreen(self): activity.Activity.fullscreen(self) self._tabbed_view.set_show_tabs(False) def unfullscreen(self): activity.Activity.unfullscreen(self) # Always show tabs here, because they are automatically hidden # if it is like a video fullscreening. We ALWAYS need to make # sure these are visible. Don't make the user lost self._tabbed_view.set_show_tabs(True) def _cleanup_temp_files(self): """Removes temporary files generated by Download Manager that were cancelled by the user or failed for any reason. There is a bug in GLib that makes this to happen: https://bugzilla.gnome.org/show_bug.cgi?id=629301 """ try: uptime_proc = open('/proc/uptime', 'r').read() uptime = int(float(uptime_proc.split()[0])) except EnvironmentError: logging.warning('/proc/uptime could not be read') uptime = None temp_path = os.path.join(self.get_activity_root(), 'instance') now = int(time.time()) cutoff = now - 24 * 60 * 60 # yesterday if uptime is not None: boot_time = now - uptime cutoff = max(cutoff, boot_time) for f in os.listdir(temp_path): if f.startswith('.goutputstream-'): fpath = os.path.join(temp_path, f) mtime = int(os.path.getmtime(fpath)) if mtime < cutoff: logging.warning('Removing old temporary file: %s', fpath) try: os.remove(fpath) except EnvironmentError: logging.error('Temporary file could not be ' 'removed: %s', fpath) def _on_focus_url_entry(self, gobject): self._primary_toolbar.entry.grab_focus() def _get_data_from_file_path(self, file_path): fd = open(file_path, 'r') try: data = fd.read() finally: fd.close() return data def _get_save_as(self): if not hasattr(profile, 'get_save_as'): return False return profile.get_save_as() def read_file(self, file_path): if self.metadata['mime_type'] == 'text/plain': data = self._get_data_from_file_path(file_path) self.model.deserialize(data) for link in self.model.data['shared_links']: _logger.debug('read: url=%s title=%s d=%s' % (link['url'], link['title'], link['color'])) self._add_link_totray(link['url'], b64decode(link['thumb']), link['color'], link['title'], link['owner'], -1, link['hash'], link.get('notes')) logging.debug('########## reading %s', data) if 'session_state' in self.model.data: self._tabbed_view.set_session_state( self.model.data['session_state']) else: self._tabbed_view.set_legacy_history( self.model.data['history'], self.model.data['currents']) for number, tab in enumerate(self.model.data['currents']): tab_page = self._tabbed_view.get_nth_page(number) zoom_level = tab.get('zoom_level') if zoom_level is not None: tab_page.browser.set_zoom_level(zoom_level) tab_page.browser.grab_focus() self._tabbed_view.set_current_page(self.model.data['current_tab']) elif self.metadata['mime_type'] == 'text/uri-list': data = self._get_data_from_file_path(file_path) uris = mime.split_uri_list(data) if len(uris) == 1: self._tabbed_view.props.current_browser.load_uri(uris[0]) else: _logger.error('Open uri-list: Does not support' 'list of multiple uris by now.') else: file_uri = 'file://' + file_path self._tabbed_view.props.current_browser.load_uri(file_uri) self._tabbed_view.props.current_browser.grab_focus() def write_file(self, file_path): if not hasattr(self, '_tabbed_view'): _logger.debug('Called write_file before the tabbed_view was made') return if not self.metadata['mime_type']: self.metadata['mime_type'] = 'text/plain' if self.metadata['mime_type'] == 'text/plain': browser = self._tabbed_view.current_browser if not self._jobject.metadata['title_set_by_user'] == '1' and \ not self._get_save_as(): if browser.props.title is None: self.metadata['title'] = _('Untitled') else: self.metadata['title'] = browser.props.title self.model.data['history'] = self._tabbed_view.get_legacy_history() current_tab = self._tabbed_view.get_current_page() self.model.data['current_tab'] = current_tab self.model.data['currents'] = [] for n in range(0, self._tabbed_view.get_n_pages()): tab_page = self._tabbed_view.get_nth_page(n) n_browser = tab_page.browser if n_browser is not None: uri = n_browser.get_uri() history_index = n_browser.get_history_index() info = {'title': n_browser.props.title, 'url': uri, 'history_index': history_index, 'zoom_level': n_browser.get_zoom_level()} self.model.data['currents'].append(info) self.model.data['session_state'] = \ self._tabbed_view.get_state() f = open(file_path, 'w') try: logging.debug('########## writing %s', self.model.serialize()) f.write(self.model.serialize()) finally: f.close() def __link_add_button_cb(self, button): self._add_link() def __link_remove_button_cb(self, button): browser = self._tabbed_view.props.current_browser uri = browser.get_uri() self.__link_removed_cb(None, sha1(uri.encode('utf-8')).hexdigest()) def _go_home_button_cb(self, button): self._tabbed_view.load_homepage() def _go_library_button_cb(self, button): self._tabbed_view.load_homepage(ignore_settings=True) def _set_home_button_cb(self, button): self._tabbed_view.set_homepage() self._alert(_('The initial page was configured')) def _reset_home_button_cb(self, button): self._tabbed_view.reset_homepage() self._alert(_('The default initial page was configured')) def _alert(self, title, text=None): alert = NotifyAlert(timeout=5) alert.props.title = title alert.props.msg = text self.add_alert(alert) alert.connect('response', self._alert_cancel_cb) alert.show() def _alert_cancel_cb(self, alert, response_id): self.remove_alert(alert) def _key_press_cb(self, widget, event): browser = self._tabbed_view.props.current_browser if event.get_state() & Gdk.ModifierType.CONTROL_MASK: if event.keyval == Gdk.KEY_f: self._edit_toolbar_button.set_expanded(True) self._edit_toolbar.search_entry.grab_focus() return True if event.keyval == Gdk.KEY_l: self._primary_toolbar.entry.grab_focus() return True if event.keyval == Gdk.KEY_equal: # On US keyboards, KEY_equal is KEY_plus without # SHIFT_MASK, so for convenience treat this as the # same as the zoom in accelerator configured in # WebKit2 browser.zoom_in() return True if event.keyval == Gdk.KEY_t: self._tabbed_view.add_tab() return True if event.keyval == Gdk.KEY_w: self._tabbed_view.close_tab() return True # FIXME: copy and paste is supposed to be handled by # Gtk.Entry, but does not work when we catch # key-press-event and return False. if self._primary_toolbar.entry.is_focus(): if event.keyval == Gdk.KEY_c: self._primary_toolbar.entry.copy_clipboard() return True if event.keyval == Gdk.KEY_v: self._primary_toolbar.entry.paste_clipboard() return True return False if event.keyval in (Gdk.KEY_KP_Up, Gdk.KEY_KP_Down, Gdk.KEY_KP_Left, Gdk.KEY_KP_Right): scrolled_window = browser.get_parent() if event.keyval in (Gdk.KEY_KP_Up, Gdk.KEY_KP_Down): adjustment = scrolled_window.get_vadjustment() elif event.keyval in (Gdk.KEY_KP_Left, Gdk.KEY_KP_Right): adjustment = scrolled_window.get_hadjustment() value = adjustment.get_value() step = adjustment.get_step_increment() if event.keyval in (Gdk.KEY_KP_Up, Gdk.KEY_KP_Left): adjustment.set_value(value - step) else: adjustment.set_value(value + step) return True if event.keyval == Gdk.KEY_Escape: browser.stop_loading() return False # allow toolbar entry to handle escape too return False def _add_link(self): ''' take screenshot and add link info to the model ''' browser = self._tabbed_view.props.current_browser ui_uri = browser.get_uri() if self.model.has_link(ui_uri): return buf = b64encode(self._get_screenshot()).decode('ascii') timestamp = time.time() args = (ui_uri, browser.props.title, buf, profile.get_nick_name(), profile.get_color().to_string(), timestamp) self.model.add_link(*args, by_me=True) self._collab.post({'type': 'add_link', 'args': args}) def __message_cb(self, collab, buddy, message): type_ = message.get('type') if type_ == 'add_link': self.model.add_link(*message['args']) elif type_ == 'add_link_from_info': self.model.add_link_from_info(message['dict']) elif type_ == 'remove_link': self.remove_link(message['hash']) def get_data(self): return self.model.data def set_data(self, data): for link in data['shared_links']: if link['hash'] not in self.model.get_links_ids(): self.model.add_link_from_info(link) # FIXME: Case where buddy has updated link desciption their_model = Model() their_model.data = data for link in self.model.data['shared_links']: if link['hash'] not in their_model.get_links_ids(): self._collab.post({'type': 'add_link_from_info', 'dict': link}) def _add_link_model_cb(self, model, index, by_me): ''' receive index of new link from the model ''' link = self.model.data['shared_links'][index] widget = self._add_link_totray( link['url'], b64decode(link['thumb']), link['color'], link['title'], link['owner'], index, link['hash'], link.get('notes')) if by_me: animator = Animator(1, widget=self) animator.add(AddLinkAnimation( self, self._tabbed_view.props.current_browser, widget)) animator.start() def _add_link_totray(self, url, buf, color, title, owner, index, hash, notes=None): ''' add a link to the tray ''' item = LinkButton(buf, color, title, owner, hash, notes) item.connect('clicked', self._link_clicked_cb, url) item.connect('remove_link', self.__link_removed_cb) item.notes_changed_signal.connect(self.__link_notes_changed) # use index to add to the tray self._tray_links[hash] = item self._tray.add_item(item, index) item.show() self._view_toolbar.traybutton.props.sensitive = True self._view_toolbar.traybutton.props.active = True self._view_toolbar.update_traybutton_tooltip() return item def __link_removed_cb(self, button, hash): self.remove_link(hash) self._collab.post({'type': 'remove_link', 'hash': hash}) def remove_link(self, hash): ''' remove a link from tray and delete it in the model ''' self._tray_links[hash].hide() self._tray_links[hash].destroy() del self._tray_links[hash] self.model.remove_link(hash) if len(self._tray.get_children()) == 0: self._view_toolbar.traybutton.props.sensitive = False self._view_toolbar.traybutton.props.active = False self._view_toolbar.update_traybutton_tooltip() def __link_notes_changed(self, button, hash, notes): self.model.change_link_notes(hash, notes) def _link_clicked_cb(self, button, url): ''' an item of the link tray has been clicked ''' browser = self._tabbed_view.add_tab() browser.load_uri(url) browser.grab_focus() def _get_screenshot(self): browser = self._tabbed_view.props.current_browser window = browser.get_window() width, height = window.get_width(), window.get_height() thumb_surface = Gdk.Window.create_similar_surface( window, cairo.CONTENT_COLOR, THUMB_WIDTH, THUMB_HEIGHT) cairo_context = cairo.Context(thumb_surface) thumb_scale_w = THUMB_WIDTH * 1.0 / width thumb_scale_h = THUMB_HEIGHT * 1.0 / height cairo_context.scale(thumb_scale_w, thumb_scale_h) Gdk.cairo_set_source_window(cairo_context, window, 0, 0) cairo_context.paint() thumb_str = io.BytesIO() thumb_surface.write_to_png(thumb_str) return thumb_str.getvalue() def can_close(self): if self._force_close: return True elif downloadmanager.can_quit(): return True else: alert = Alert() alert.props.title = ngettext('Download in progress', 'Downloads in progress', downloadmanager.num_downloads()) message = ngettext('Stopping now will erase your download', 'Stopping now will erase your downloads', downloadmanager.num_downloads()) alert.props.msg = message cancel_icon = Icon(icon_name='dialog-cancel') cancel_label = ngettext('Continue download', 'Continue downloads', downloadmanager.num_downloads()) alert.add_button(Gtk.ResponseType.CANCEL, cancel_label, cancel_icon) stop_icon = Icon(icon_name='dialog-ok') alert.add_button(Gtk.ResponseType.OK, _('Stop'), stop_icon) stop_icon.show() self.add_alert(alert) alert.connect('response', self.__inprogress_response_cb) alert.show() self.present() return False def __inprogress_response_cb(self, alert, response_id): self.remove_alert(alert) if response_id is Gtk.ResponseType.CANCEL: logging.debug('Keep on') elif response_id == Gtk.ResponseType.OK: logging.debug('Stop downloads and quit') self._force_close = True downloadmanager.remove_all_downloads() self.close() def __switch_page_cb(self, tabbed_view, page, page_num): if not hasattr(self, 'busy'): return browser = page._browser progress = browser.props.estimated_load_progress uri = browser.props.uri if progress < 1.0 and uri: self.busy() else: while self.unbusy() > 0: continue def get_document_path(self, async_cb, async_err_cb): browser = self._tabbed_view.props.current_browser browser.get_source(async_cb, async_err_cb) def get_canvas(self): return self._tabbed_view def _incompatible(self): ''' Display abbreviated activity user interface with alert ''' toolbox = ToolbarBox() stop = StopButton(self) toolbox.toolbar.add(stop) self.set_toolbar_box(toolbox) title = _('Activity not compatible with this system.') msg = _('Please downgrade activity and try again.') alert = Alert(title=title, msg=msg) alert.add_button(0, 'Stop', Icon(icon_name='activity-stop')) self.add_alert(alert) label = Gtk.Label(_('Uh oh, WebKit2 is too old. ' 'Browse-200 and later require WebKit2 API 4.0, ' 'sorry!')) self.set_canvas(label) ''' Workaround: start Terminal activity, then type sugar-erase-bundle org.laptop.WebActivity then in My Settings, choose Software Update, which will offer older Browse. ''' alert.connect('response', self.__incompatible_response_cb) stop.connect('clicked', self.__incompatible_stop_clicked_cb, alert) self.show_all() def __incompatible_stop_clicked_cb(self, button, alert): self.remove_alert(alert) def __incompatible_response_cb(self, alert, response): self.remove_alert(alert) self.close() class AddLinkAnimation(Animation): def __init__(self, widget, browser, tray_widget): Animation.__init__(self, 0, 3) self._draw_hid = None self._widget = widget self._browser = browser self._tray_widget = tray_widget self._tray_widget.hide_thumb() self._balloc = browser.get_allocation() self._center = ((self._balloc.width) / 2.0, (self._balloc.height) / 2.0) window = browser.get_window() width, height = window.get_width(), window.get_height() self._snap = Gdk.Window.create_similar_surface( window, cairo.CONTENT_COLOR, width, height) cairo_context = cairo.Context(self._snap) Gdk.cairo_set_source_window(cairo_context, window, 0, 0) cairo_context.paint() def do_frame(self, t, duration, easing): # exponential ease in/out t /= duration / 2.0 if t < 1: frame = self.end / 2.0 * pow(2, 10 * (t - 1)) else: t -= 1 frame = self.end / 2.0 * (-pow(2, -10 * t) + 2) self.next_frame(frame) def next_frame(self, frame): self._frame = frame if self._draw_hid is None: self._draw_hid = self._widget.connect_after('draw', self.__draw_cb) self._widget.queue_draw() def __draw_cb(self, widget, cr): cr.save() thumb_scale_w = THUMB_WIDTH * 1.0 / self._balloc.width thumb_scale_h = THUMB_HEIGHT * 1.0 / self._balloc.height rect = (self._balloc.x, self._balloc.y, self._balloc.width, self._balloc.height) ox, oy = self._browser.translate_coordinates(widget, 0, 0) if self._frame < 1.0: frame = self._frame notframe = 1.0 - frame cr.save() cr.translate(ox, oy) cr.set_source_rgba(1.0, 1.0, 1.0, notframe) cr.rectangle(*rect) cr.fill() cr.restore() cr.translate(ox + (self._center[0] * frame), oy + (self._center[1] * frame)) cr.scale(notframe + (thumb_scale_w * frame), notframe + (thumb_scale_h * frame)) stroke_alpha = frame width = 20 * frame else: frame = (self._frame - 1.0) / 2.0 notframe = 1.0 - frame x, y = self._tray_widget.get_image_coords(widget) cr.translate(((ox + self._center[0]) * notframe) + (x * frame), ((oy + self._center[1]) * notframe) + (y * frame)) cr.scale(thumb_scale_w, thumb_scale_h) stroke_alpha = notframe width = 20 cr.set_source_surface(self._snap) cr.rectangle(*rect) cr.fill() cr.set_source_rgba(0.0, 0.0, 0.0, stroke_alpha) cr.set_line_width(width) cr.rectangle(*rect) cr.stroke() cr.restore() def do_stop(self): self._tray_widget.show_thumb() self._widget.disconnect(self._draw_hid) self._widget.queue_draw()