/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=2 sts=2 et: */
/*
* Copyright © 2011 Igalia S.L.
*
* 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, 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "ephy-web-app-utils.h"
#include "ephy-debug.h"
#include "ephy-file-helpers.h"
#include <glib/gstdio.h>
#include <libsoup/soup.h>
#ifdef HAVE_WEBKIT2
#include <webkit2/webkit2.h>
#else
#include <webkit/webkit.h>
#endif
#define EPHY_WEB_APP_DESKTOP_FILE_PREFIX "epiphany-"
/* This is necessary because of gnome-shell's guessing of a .desktop
filename from WM_CLASS property. */
static char *
get_wm_class_from_app_title (const char *title)
{
char *normal_title;
char *wm_class;
char *checksum;
normal_title = g_utf8_strdown (title, -1);
g_strdelimit (normal_title, " ", '-');
g_strdelimit (normal_title, G_DIR_SEPARATOR_S, '-');
checksum = g_compute_checksum_for_string (G_CHECKSUM_SHA1, title, -1);
wm_class = g_strconcat (EPHY_WEB_APP_DESKTOP_FILE_PREFIX, normal_title, "-", checksum, NULL);
g_free (checksum);
g_free (normal_title);
return wm_class;
}
/* Gets the proper .desktop filename from a WM_CLASS string,
converting to the local charset when needed. */
static char *
desktop_filename_from_wm_class (char *wm_class)
{
char *encoded;
char *filename = NULL;
GError *error = NULL;
encoded = g_filename_from_utf8 (wm_class, -1, NULL, NULL, &error);
if (error) {
g_warning ("%s", error->message);
g_error_free (error);
return NULL;
}
filename = g_strconcat (encoded, ".desktop", NULL);
g_free (encoded);
return filename;
}
/**
* ephy_web_application_get_profile_directory:
* @name: the application name
*
* Gets the directory where the profile for @name is meant to be stored.
*
* Returns: (transfer full): A newly allocated string.
**/
char *
ephy_web_application_get_profile_directory (const char *name)
{
char *app_dir, *wm_class, *profile_dir, *encoded;
GError *error = NULL;
wm_class = get_wm_class_from_app_title (name);
encoded = g_filename_from_utf8 (wm_class, -1, NULL, NULL, &error);
g_free (wm_class);
if (error) {
g_warning ("%s", error->message);
g_error_free (error);
return NULL;
}
app_dir = g_strconcat (EPHY_WEB_APP_PREFIX, encoded, NULL);
profile_dir = g_build_filename (ephy_dot_dir (), app_dir, NULL);
g_free (encoded);
g_free (app_dir);
return profile_dir;
}
/**
* ephy_web_application_delete:
* @name: the name of the web application do delete
*
* Deletes all the data associated with a Web Application created by
* Epiphany.
*
* Returns: %TRUE if the web app was succesfully deleted, %FALSE otherwise
**/
gboolean
ephy_web_application_delete (const char *name)
{
char *profile_dir = NULL;
char *desktop_file = NULL, *desktop_path = NULL;
char *wm_class;
GFile *profile = NULL, *launcher = NULL;
gboolean return_value = FALSE;
g_return_val_if_fail (name, FALSE);
profile_dir = ephy_web_application_get_profile_directory (name);
if (!profile_dir)
goto out;
/* If there's no profile dir for this app, it means it does not
* exist. */
if (!g_file_test (profile_dir, G_FILE_TEST_IS_DIR)) {
g_warning ("No application with name '%s' is installed.\n", name);
goto out;
}
profile = g_file_new_for_path (profile_dir);
if (!ephy_file_delete_dir_recursively (profile, NULL))
goto out;
LOG ("Deleted application profile.\n");
wm_class = get_wm_class_from_app_title (name);
desktop_file = desktop_filename_from_wm_class (wm_class);
g_free (wm_class);
if (!desktop_file)
goto out;
desktop_path = g_build_filename (g_get_user_data_dir (), "applications", desktop_file, NULL);
launcher = g_file_new_for_path (desktop_path);
if (!g_file_delete (launcher, NULL, NULL))
goto out;
LOG ("Deleted application launcher.\n");
return_value = TRUE;
out:
if (profile)
g_object_unref (profile);
g_free (profile_dir);
if (launcher)
g_object_unref (launcher);
g_free (desktop_file);
g_free (desktop_path);
return return_value;
}
static char *
create_desktop_file (const char *address,
const char *profile_dir,
const char *title,
GdkPixbuf *icon)
{
GKeyFile *file = NULL;
char *exec_string;
char *data = NULL;
char *filename, *apps_path, *desktop_file_path = NULL;
char *link_path;
char *wm_class;
GFile *link;
GError *error = NULL;
g_return_val_if_fail (profile_dir, NULL);
wm_class = get_wm_class_from_app_title (title);
filename = desktop_filename_from_wm_class (wm_class);
if (!filename)
goto out;
file = g_key_file_new ();
g_key_file_set_value (file, "Desktop Entry", "Name", title);
exec_string = g_strdup_printf ("epiphany --application-mode --profile=\"%s\" %s",
profile_dir,
address);
g_key_file_set_value (file, "Desktop Entry", "Exec", exec_string);
g_free (exec_string);
g_key_file_set_value (file, "Desktop Entry", "StartupNotify", "true");
g_key_file_set_value (file, "Desktop Entry", "Terminal", "false");
g_key_file_set_value (file, "Desktop Entry", "Type", "Application");
if (icon) {
GOutputStream *stream;
char *path;
GFile *image;
path = g_build_filename (profile_dir, EPHY_WEB_APP_ICON_NAME, NULL);
image = g_file_new_for_path (path);
stream = (GOutputStream*)g_file_create (image, 0, NULL, NULL);
gdk_pixbuf_save_to_stream (icon, stream, "png", NULL, NULL, NULL);
g_key_file_set_value (file, "Desktop Entry", "Icon", path);
g_object_unref (stream);
g_object_unref (image);
g_free (path);
}
g_key_file_set_value (file, "Desktop Entry", "StartupWMClass", wm_class);
data = g_key_file_to_data (file, NULL, NULL);
desktop_file_path = g_build_filename (profile_dir, filename, NULL);
if (!g_file_set_contents (desktop_file_path, data, -1, NULL)) {
g_free (desktop_file_path);
desktop_file_path = NULL;
}
/* Create a symlink in XDG_DATA_DIR/applications for the Shell to
* pick up this application. */
apps_path = g_build_filename (g_get_user_data_dir (), "applications", NULL);
if (ephy_ensure_dir_exists (apps_path, &error)) {
link_path = g_build_filename (apps_path, filename, NULL);
link = g_file_new_for_path (link_path);
g_free (link_path);
g_file_make_symbolic_link (link, desktop_file_path, NULL, NULL);
g_object_unref (link);
} else {
g_warning ("Error creating application symlink: %s", error->message);
g_error_free (error);
}
g_free (apps_path);
g_free (filename);
out:
g_free (wm_class);
g_free (data);
g_key_file_free (file);
return desktop_file_path;
}
#ifdef HAVE_WEBKIT2
static SoupCookieJar *get_current_cookie_jar (void)
{
char *filename;
SoupCookieJar *jar;
/* FIXME: There's no API in WebKit2 to get all cookies, so we create a
* temp read-only jar for the current cookies to read from it.
* It would be better to have an API in WebKit to get the cookies instead.
*/
filename = g_build_filename (ephy_dot_dir (), "cookies.sqlite", NULL);
jar = (SoupCookieJar*)soup_cookie_jar_db_new (filename, TRUE);
g_free (filename);
return jar;
}
#else
static SoupCookieJar *get_current_cookie_jar (void)
{
SoupSession *session = webkit_get_default_session ();
SoupCookieJar *jar;
jar = (SoupCookieJar*)soup_session_get_feature (session, SOUP_TYPE_COOKIE_JAR);
/* WebKit might not have a cookie jar yet, if it has not needed one
* and none has been set by Epiphany. */
return jar ? g_object_ref (jar) : NULL;
}
#endif
static void
create_cookie_jar_for_domain (const char *address, const char *directory)
{
GSList *cookies, *p;
SoupCookieJar *current_jar, *new_jar;
char *domain, *filename;
SoupURI *uri;
/* Create the new cookie jar */
filename = g_build_filename (directory, "cookies.sqlite", NULL);
new_jar = (SoupCookieJar*)soup_cookie_jar_db_new (filename, FALSE);
g_free (filename);
/* The app domain for the current view */
uri = soup_uri_new (address);
domain = uri->host;
/* The current cookies */
current_jar = get_current_cookie_jar ();
if (!current_jar) {
soup_uri_free (uri);
return;
}
cookies = soup_cookie_jar_all_cookies (current_jar);
for (p = cookies; p; p = p->next) {
SoupCookie *cookie = (SoupCookie*)p->data;
if (soup_cookie_domain_matches (cookie, domain))
soup_cookie_jar_add_cookie (new_jar, cookie);
else
soup_cookie_free (cookie);
}
soup_uri_free (uri);
g_slist_free (cookies);
g_object_unref (current_jar);
g_object_unref (new_jar);
}
/**
* ephy_web_application_create:
* @address: the address of the new web application
* @name: the name for the new web application
* @icon: the icon for the new web application
*
* Creates a new Web Application for @address.
*
* Returns: (transfer-full): the path to the desktop file representing the new application
**/
char *
ephy_web_application_create (const char *address, const char *name, GdkPixbuf *icon)
{
char *profile_dir = NULL;
char *desktop_file_path = NULL;
/* If there's already a WebApp profile for the contents of this
* view, do nothing. */
profile_dir = ephy_web_application_get_profile_directory (name);
if (g_file_test (profile_dir, G_FILE_TEST_IS_DIR)) {
LOG ("Profile directory %s already exists", profile_dir);
goto out;
}
/* Create the profile directory, populate it. */
if (g_mkdir (profile_dir, 488) == -1) {
LOG ("Failed to create directory %s", profile_dir);
goto out;
}
/* Things we need in a WebApp's profile:
- Our own cookies file, copying the relevant cookies for the
app's domain.
*/
create_cookie_jar_for_domain (address, profile_dir);
/* Create the deskop file. */
desktop_file_path = create_desktop_file (address, profile_dir, name, icon);
out:
if (profile_dir)
g_free (profile_dir);
return desktop_file_path;
}
/**
* ephy_web_application_get_application_list:
*
* Gets a list of the currently installed web applications.
* Free the returned GList with
* ephy_web_application_free_application_list.
*
* Returns: (transfer-full): a #GList of #EphyWebApplication objects
**/
GList *
ephy_web_application_get_application_list ()
{
GFileEnumerator *children = NULL;
GFileInfo *info;
GList *applications = NULL;
GFile *dot_dir;
dot_dir = g_file_new_for_path (ephy_dot_dir ());
children = g_file_enumerate_children (dot_dir,
"standard::name",
0, NULL, NULL);
g_object_unref (dot_dir);
info = g_file_enumerator_next_file (children, NULL, NULL);
while (info) {
EphyWebApplication *app;
const char *name;
glong prefix_length = g_utf8_strlen (EPHY_WEB_APP_PREFIX, -1);
name = g_file_info_get_name (info);
if (g_str_has_prefix (name, EPHY_WEB_APP_PREFIX)) {
char *profile_dir;
guint64 created;
GDate *date;
char *desktop_file, *desktop_file_path;
char *contents;
GFileInfo *desktop_info;
app = g_slice_new0 (EphyWebApplication);
profile_dir = g_build_filename (ephy_dot_dir (), name, NULL);
app->icon_url = g_build_filename (profile_dir, EPHY_WEB_APP_ICON_NAME, NULL);
desktop_file = g_strconcat (name + prefix_length, ".desktop", NULL);
desktop_file_path = g_build_filename (profile_dir, desktop_file, NULL);
app->desktop_file = g_strdup (desktop_file);
if (g_file_get_contents (desktop_file_path, &contents, NULL, NULL)) {
char *exec;
char **strings;
GKeyFile *key;
int i;
GFile *file;
key = g_key_file_new ();
g_key_file_load_from_data (key, contents, -1, 0, NULL);
app->name = g_key_file_get_string (key, "Desktop Entry", "Name", NULL);
exec = g_key_file_get_string (key, "Desktop Entry", "Exec", NULL);
strings = g_strsplit (exec, " ", -1);
for (i = 0; strings[i]; i++);
app->url = g_strdup (strings[i - 1]);
g_strfreev (strings);
g_free (exec);
g_key_file_free (key);
file = g_file_new_for_path (desktop_file_path);
/* FIXME: this should use TIME_CREATED but it does not seem to be working. */
desktop_info = g_file_query_info (file, G_FILE_ATTRIBUTE_TIME_MODIFIED, 0, NULL, NULL);
created = g_file_info_get_attribute_uint64 (desktop_info, G_FILE_ATTRIBUTE_TIME_MODIFIED);
date = g_date_new ();
g_date_set_time_t (date, (time_t)created);
g_date_strftime (app->install_date, 127, "%x", date);
g_date_free (date);
g_object_unref (file);
g_object_unref (desktop_info);
applications = g_list_append (applications, app);
}
g_free (contents);
g_free (desktop_file);
g_free (profile_dir);
g_free (desktop_file_path);
}
g_object_unref (info);
info = g_file_enumerator_next_file (children, NULL, NULL);
}
g_object_unref (children);
return applications;
}
static void
ephy_web_application_free (EphyWebApplication *app)
{
g_free (app->name);
g_free (app->icon_url);
g_free (app->url);
g_free (app->desktop_file);
g_slice_free (EphyWebApplication, app);
}
/**
* ephy_web_application_free_application_list:
* @list: an #EphyWebApplication GList
*
* Frees a @list as given by ephy_web_application_get_application_list.
**/
void
ephy_web_application_free_application_list (GList *list)
{
GList *p;
for (p = list; p; p = p->next)
ephy_web_application_free ((EphyWebApplication*)p->data);
g_list_free (list);
}
/**
* ephy_web_application_exists:
* @name: the potential name of the web application
*
* Returns: whether an application with @name exists.
**/
gboolean
ephy_web_application_exists (const char *name)
{
char *profile_dir;
gboolean profile_exists;
profile_dir = ephy_web_application_get_profile_directory (name);
profile_exists = g_file_test (profile_dir, G_FILE_TEST_IS_DIR);
g_free (profile_dir);
return profile_exists;
}
