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midori/extensions/cookie-permissions/cookie-permission-manager.c

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/*
Copyright (C) 2013 Stephan Haller <nomad@froevel.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
#include "cookie-permission-manager.h"
#include <errno.h>
/* Remove next line if we found a way to show details in infobar */
#define NO_INFOBAR_DETAILS
/* Define this class in GObject system */
G_DEFINE_TYPE(CookiePermissionManager,
cookie_permission_manager,
G_TYPE_OBJECT)
/* Properties */
enum
{
PROP_0,
PROP_EXTENSION,
PROP_APPLICATION,
PROP_DATABASE,
PROP_DATABASE_FILENAME,
PROP_UNKNOWN_POLICY,
PROP_LAST
};
static GParamSpec* CookiePermissionManagerProperties[PROP_LAST]={ 0, };
/* Private structure - access only by public API if needed */
#define COOKIE_PERMISSION_MANAGER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), TYPE_COOKIE_PERMISSION_MANAGER, CookiePermissionManagerPrivate))
struct _CookiePermissionManagerPrivate
{
/* Extension related */
MidoriExtension *extension;
MidoriApp *application;
sqlite3 *database;
gchar *databaseFilename;
CookiePermissionManagerPolicy unknownPolicy;
/* Cookie jar related */
SoupSession *session;
SoupCookieJar *cookieJar;
SoupSessionFeatureInterface *featureIface;
gint cookieJarChangedID;
};
enum
{
DOMAIN_COLUMN,
PATH_COLUMN,
NAME_COLUMN,
VALUE_COLUMN,
EXPIRE_DATE_COLUMN,
N_COLUMN
};
struct _CookiePermissionManagerModalInfobar
{
GMainLoop *mainLoop;
gint response;
};
typedef struct _CookiePermissionManagerModalInfobar CookiePermissionManagerModalInfobar;
/* IMPLEMENTATION: Private variables and methods */
/* Show common error dialog */
static void _cookie_permission_manager_error(CookiePermissionManager *self, const gchar *inReason)
{
GtkWidget *dialog;
/* Show confirmation dialog for undetermined cookies */
dialog=gtk_message_dialog_new(NULL,
GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
_("A fatal error occurred which prevents "
"the cookie permission manager extension "
"to continue. You should disable it."));
gtk_window_set_title(GTK_WINDOW(dialog), _("Error in cookie permission manager extension"));
gtk_window_set_icon_name(GTK_WINDOW (dialog), "midori");
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
"%s:\n%s",
_("Reason"),
inReason);
gtk_dialog_run(GTK_DIALOG(dialog));
/* Free up allocated resources */
gtk_widget_destroy(dialog);
}
/* Open database containing policies for cookie domains.
* Create database and setup table structure if it does not exist yet.
*/
static void _cookie_permission_manager_open_database(CookiePermissionManager *self)
{
CookiePermissionManagerPrivate *priv=self->priv;
const gchar *configDir;
gchar *error=NULL;
gint success;
sqlite3_stmt *statement=NULL;
/* Close any open database */
if(priv->database)
{
g_free(priv->databaseFilename);
priv->databaseFilename=NULL;
sqlite3_close(priv->database);
priv->database=NULL;
g_object_notify_by_pspec(G_OBJECT(self), CookiePermissionManagerProperties[PROP_DATABASE]);
g_object_notify_by_pspec(G_OBJECT(self), CookiePermissionManagerProperties[PROP_DATABASE_FILENAME]);
}
/* Build path to database file */
configDir=midori_extension_get_config_dir(priv->extension);
if(!configDir)
return;
if(katze_mkdir_with_parents(configDir, 0700))
{
g_warning(_("Could not create configuration folder for extension: %s"), g_strerror(errno));
_cookie_permission_manager_error(self, _("Could not create configuration folder for extension."));
return;
}
/* Open database */
priv->databaseFilename=g_build_filename(configDir, COOKIE_PERMISSION_DATABASE, NULL);
success=sqlite3_open(priv->databaseFilename, &priv->database);
if(success!=SQLITE_OK)
{
g_warning(_("Could not open database of extenstion: %s"), sqlite3_errmsg(priv->database));
g_free(priv->databaseFilename);
priv->databaseFilename=NULL;
if(priv->database) sqlite3_close(priv->database);
priv->database=NULL;
_cookie_permission_manager_error(self, _("Could not open database of extension."));
return;
}
/* Create table structure if it does not exist */
success=sqlite3_exec(priv->database,
"CREATE TABLE IF NOT EXISTS "
"policies(domain text, value integer);",
NULL,
NULL,
&error);
if(success==SQLITE_OK)
{
success=sqlite3_exec(priv->database,
"CREATE UNIQUE INDEX IF NOT EXISTS "
"domain ON policies (domain);",
NULL,
NULL,
&error);
}
if(success==SQLITE_OK)
{
success=sqlite3_exec(priv->database,
"PRAGMA journal_mode=TRUNCATE;",
NULL,
NULL,
&error);
}
if(success!=SQLITE_OK || error)
{
_cookie_permission_manager_error(self, _("Could not set up database structure of extension."));
if(error)
{
g_critical(_("Failed to execute database statement: %s"), error);
sqlite3_free(error);
}
g_free(priv->databaseFilename);
priv->databaseFilename=NULL;
sqlite3_close(priv->database);
priv->database=NULL;
return;
}
// Delete all cookies allowed only in one session
success=sqlite3_prepare_v2(priv->database,
"SELECT domain FROM policies WHERE value=? ORDER BY domain DESC;",
-1,
&statement,
NULL);
if(statement && success==SQLITE_OK) success=sqlite3_bind_int(statement, 1, COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT_FOR_SESSION);
if(statement && success==SQLITE_OK)
{
while(sqlite3_step(statement)==SQLITE_ROW)
{
gchar *domain=(gchar*)sqlite3_column_text(statement, 0);
GSList *cookies, *cookie;
#ifdef HAVE_LIBSOUP_2_40_0
SoupURI *uri;
uri=soup_uri_new(NULL);
soup_uri_set_host(uri, domain);
soup_uri_set_path(uri, "/");
cookies=soup_cookie_jar_get_cookie_list(priv->cookieJar, uri, TRUE);
for(cookie=cookies; cookie; cookie=cookie->next)
{
soup_cookie_jar_delete_cookie(priv->cookieJar, (SoupCookie*)cookie->data);
}
soup_cookies_free(cookies);
soup_uri_free(uri);
#else
cookies=soup_cookie_jar_all_cookies(priv->cookieJar);
for(cookie=cookies; cookie; cookie=cookie->next)
{
if(soup_cookie_domain_matches((SoupCookie*)cookie->data, domain))
{
soup_cookie_jar_delete_cookie(priv->cookieJar, (SoupCookie*)cookie->data);
}
}
soup_cookies_free(cookies);
#endif
}
}
else g_warning(_("SQL fails: %s"), sqlite3_errmsg(priv->database));
sqlite3_finalize(statement);
g_object_notify_by_pspec(G_OBJECT(self), CookiePermissionManagerProperties[PROP_DATABASE]);
g_object_notify_by_pspec(G_OBJECT(self), CookiePermissionManagerProperties[PROP_DATABASE_FILENAME]);
}
/* Get policy for cookies from domain */
static gint _cookie_permission_manager_get_policy(CookiePermissionManager *self, SoupCookie *inCookie)
{
CookiePermissionManagerPrivate *priv=self->priv;
sqlite3_stmt *statement=NULL;
gchar *domain;
gint error;
gint policy=COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED;
gboolean foundPolicy=FALSE;
/* Check for open database */
g_return_val_if_fail(priv->database, COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED);
/* Lookup policy for cookie domain in database */
domain=g_strdup(soup_cookie_get_domain(inCookie));
if(*domain=='.') *domain='%';
error=sqlite3_prepare_v2(priv->database,
"SELECT domain, value FROM policies WHERE domain LIKE ? ORDER BY domain DESC;",
-1,
&statement,
NULL);
if(statement && error==SQLITE_OK) error=sqlite3_bind_text(statement, 1, domain, -1, NULL);
if(statement && error==SQLITE_OK)
{
while(policy==COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED &&
sqlite3_step(statement)==SQLITE_ROW)
{
gchar *policyDomain=(gchar*)sqlite3_column_text(statement, 0);
if(soup_cookie_domain_matches(inCookie, policyDomain))
{
policy=sqlite3_column_int(statement, 1);
foundPolicy=TRUE;
}
}
}
else g_warning(_("SQL fails: %s"), sqlite3_errmsg(priv->database));
sqlite3_finalize(statement);
/* Check if policy is undetermined. If it is then check if this policy was set by user.
* If it was not set by user, check what to do.
*/
if(!foundPolicy)
{
/* A SoupCookieJar that doesn't want to accept any cookies should override the user's
* choice, in case of e.g. private mode, to err on the side of caution. */
SoupCookieJarAcceptPolicy soup_policy=soup_cookie_jar_get_accept_policy(priv->cookieJar);
if(soup_policy==SOUP_COOKIE_JAR_ACCEPT_ALWAYS || soup_policy==SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY)
{
policy=priv->unknownPolicy;
}
else
{
if(soup_policy!=SOUP_COOKIE_JAR_ACCEPT_NEVER)
g_critical(_("Could not determine global cookie policy to set for domain: %s"), domain);
policy=COOKIE_PERMISSION_MANAGER_POLICY_BLOCK;
}
}
/* Release allocated resources */
g_free(domain);
return(policy);
}
/* Ask user what to do with cookies from domain(s) which were neither marked accepted nor blocked */
static gint _cookie_permission_manager_sort_cookies_by_domain(SoupCookie *inLeft, SoupCookie *inRight)
{
const gchar *domainLeft=soup_cookie_get_domain(inLeft);
const gchar *domainRight=soup_cookie_get_domain(inRight);
if(*domainLeft=='.') domainLeft++;
if(*domainRight=='.') domainRight++;
return(g_ascii_strcasecmp(domainLeft, domainRight));
}
static GSList* _cookie_permission_manager_get_number_domains_and_cookies(CookiePermissionManager *self,
GSList *inCookies,
gint *ioNumberDomains,
gint *ioNumberCookies)
{
GSList *sortedList, *iter;
gint domains, cookies;
const gchar *lastDomain=NULL;
const gchar *cookieDomain;
/* Make copy and sort cookies in new list */
sortedList=g_slist_copy(inCookies);
/* Sort cookies by domain to prevent a doman counted multiple times */
sortedList=g_slist_sort(sortedList, (GCompareFunc)_cookie_permission_manager_sort_cookies_by_domain);
/* Iterate through list and count domains and cookies */
domains=cookies=0;
for(iter=sortedList; iter; iter=iter->next)
{
cookieDomain=soup_cookie_get_domain((SoupCookie*)iter->data);
if(!lastDomain || g_ascii_strcasecmp(lastDomain, cookieDomain)!=0)
{
domains++;
lastDomain=cookieDomain;
}
cookies++;
}
/* Store counted numbers to final variables */
if(ioNumberDomains) *ioNumberDomains=domains;
if(ioNumberCookies) *ioNumberCookies=cookies;
/* Return the copied but sorted cookie list. Caller is responsible to free
* this list with g_slist_free
*/
return(sortedList);
}
/* FIXME: Find a way to add "details" widget */
#ifndef NO_INFOBAR_DETAILS
static void _cookie_permission_manager_when_ask_expander_changed(CookiePermissionManager *self,
GParamSpec *inSpec,
gpointer inUserData)
{
GtkExpander *expander=GTK_EXPANDER(inUserData);
midori_extension_set_boolean(self->priv->extension, "show-details-when-ask", gtk_expander_get_expanded(expander));
}
#endif
static gboolean _cookie_permission_manager_on_infobar_webview_navigate(WebKitWebView *inView,
WebKitWebFrame *inFrame,
WebKitNetworkRequest *inRequest,
WebKitWebNavigationAction *inAction,
WebKitWebPolicyDecision *inDecision,
gpointer inUserData)
{
/* Destroy info bar - that calls another callback which quits main loop */
GtkWidget *infobar=GTK_WIDGET(inUserData);
gtk_widget_destroy(infobar);
/* Let the default handler decide */
return(FALSE);
}
static void _cookie_permission_manager_on_infobar_destroy(GtkWidget* inInfobar,
gpointer inUserData)
{
CookiePermissionManagerModalInfobar *modalInfo=(CookiePermissionManagerModalInfobar*)inUserData;
/* Quit main loop */
if(g_main_loop_is_running(modalInfo->mainLoop)) g_main_loop_quit(modalInfo->mainLoop);
}
static void _cookie_permission_manager_on_infobar_policy_decision(GtkWidget* inInfobar,
gint inResponse,
gpointer inUserData)
{
CookiePermissionManagerModalInfobar *modalInfo;
/* Get modal info struct */
modalInfo=(CookiePermissionManagerModalInfobar*)g_object_get_data(G_OBJECT(inInfobar), "cookie-permission-manager-infobar-data");
/* Store response */
modalInfo->response=inResponse;
/* Quit main loop */
if(g_main_loop_is_running(modalInfo->mainLoop)) g_main_loop_quit(modalInfo->mainLoop);
}
static gint _cookie_permission_manager_ask_for_policy(CookiePermissionManager *self,
MidoriView *inView,
SoupMessage *inMessage,
GSList *inUnknownCookies)
{
/* Ask user for policy of unkndown domains in an undistracting way.
* The idea is to put the message not in a modal window but into midori's info bar.
* Then we'll set up our own GMainLoop to simulate a modal info bar. We need to
* connect to all possible signals of info bar, web view and so on to handle user's
* decision and to get out of our own GMainLoop. After that webkit resumes processing
* data.
*/
CookiePermissionManagerPrivate *priv=self->priv;
GtkWidget *infobar;
/* FIXME: Find a way to add "details" widget */
#ifndef NO_INFOBAR_DETAILS
GtkWidget *widget;
GtkWidget *contentArea;
GtkWidget *vbox, *hbox;
GtkWidget *expander;
GtkListStore *listStore;
GtkTreeIter listIter;
GtkWidget *scrolled;
GtkWidget *list;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
#endif
gchar *text;
gint numberDomains, numberCookies;
GSList *sortedCookies, *cookies;
WebKitWebView *webkitView;
CookiePermissionManagerModalInfobar *modalInfo;
/* Get webkit view of midori view */
webkitView=WEBKIT_WEB_VIEW(midori_view_get_web_view(inView));
modalInfo=g_new0(CookiePermissionManagerModalInfobar, 1);
/* Create a copy of cookies and sort them */
sortedCookies=_cookie_permission_manager_get_number_domains_and_cookies(self,
inUnknownCookies,
&numberDomains,
&numberCookies);
/* FIXME: Find a way to add "details" widget */
#ifndef NO_INFOBAR_DETAILS
/* Create list model and fill in data */
listStore=gtk_list_store_new(N_COLUMN,
G_TYPE_STRING, /* DOMAIN_COLUMN */
G_TYPE_STRING, /* PATH_COLUMN */
G_TYPE_STRING, /* NAME_COLUMN */
G_TYPE_STRING, /* VALUE_COLUMN */
G_TYPE_STRING /* EXPIRE_DATE_COLUMN */);
for(cookies=sortedCookies; cookies; cookies=cookies->next)
{
SoupCookie *cookie=(SoupCookie*)cookies->data;
SoupDate *cookieDate=soup_cookie_get_expires(cookie);
if(cookieDate) text=soup_date_to_string(cookieDate, SOUP_DATE_HTTP);
else text=g_strdup(_("Till session end"));
gtk_list_store_append(listStore, &listIter);
gtk_list_store_set(listStore,
&listIter,
DOMAIN_COLUMN, soup_cookie_get_domain(cookie),
PATH_COLUMN, soup_cookie_get_path(cookie),
NAME_COLUMN, soup_cookie_get_name(cookie),
VALUE_COLUMN, soup_cookie_get_value(cookie),
EXPIRE_DATE_COLUMN, text,
-1);
g_free(text);
}
#endif
/* Create description text */
if(numberDomains==1)
{
const gchar *cookieDomain=soup_cookie_get_domain((SoupCookie*)sortedCookies->data);
if(*cookieDomain=='.') cookieDomain++;
if(numberCookies>1)
text=g_strdup_printf(_("The website %s wants to store %d cookies."), cookieDomain, numberCookies);
else
text=g_strdup_printf(_("The website %s wants to store a cookie."), cookieDomain);
}
else
{
text=g_strdup_printf(_("Multiple websites want to store %d cookies in total."), numberCookies);
}
/* Create info bar message and buttons */
infobar=midori_view_add_info_bar(inView,
GTK_MESSAGE_QUESTION,
text,
G_CALLBACK(_cookie_permission_manager_on_infobar_policy_decision),
NULL,
_("_Accept"), COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT,
_("Accept for this _session"), COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT_FOR_SESSION,
_("De_ny"), COOKIE_PERMISSION_MANAGER_POLICY_BLOCK,
_("Deny _this time"), COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED,
NULL);
g_free(text);
/* midori_view_add_info_bar() in version 0.4.8 expects a GObject as user data
* but I don't want to create an GObject just for a simple struct. So set object
* data by our own
*/
g_object_set_data_full(G_OBJECT(infobar), "cookie-permission-manager-infobar-data", modalInfo, (GDestroyNotify)g_free);
/* FIXME: Find a way to add "details" widget */
#ifndef NO_INFOBAR_DETAILS
/* Get content area of infobar */
contentArea=gtk_info_bar_get_content_area(GTK_INFO_BAR(infobar));
/* Create list and set up columns of list */
list=gtk_tree_view_new_with_model(GTK_TREE_MODEL(listStore));
#ifndef HAVE_GTK3
gtk_widget_set_size_request(list, -1, 100);
#endif
renderer=gtk_cell_renderer_text_new();
column=gtk_tree_view_column_new_with_attributes(_("Domain"),
renderer,
"text", DOMAIN_COLUMN,
NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(list), column);
renderer=gtk_cell_renderer_text_new();
column=gtk_tree_view_column_new_with_attributes(_("Path"),
renderer,
"text", PATH_COLUMN,
NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(list), column);
renderer=gtk_cell_renderer_text_new();
column=gtk_tree_view_column_new_with_attributes(_("Name"),
renderer,
"text", NAME_COLUMN,
NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(list), column);
renderer=gtk_cell_renderer_text_new();
column=gtk_tree_view_column_new_with_attributes(_("Value"),
renderer,
"text", VALUE_COLUMN,
NULL);
g_object_set(G_OBJECT(renderer),
"ellipsize", PANGO_ELLIPSIZE_END,
"width-chars", 30,
NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(list), column);
renderer=gtk_cell_renderer_text_new();
column=gtk_tree_view_column_new_with_attributes(_("Expire date"),
renderer,
"text", EXPIRE_DATE_COLUMN,
NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(list), column);
scrolled=gtk_scrolled_window_new(NULL, NULL);
#ifdef HAVE_GTK3
gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(scrolled), 100);
#endif
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(scrolled), list);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
gtk_container_add(GTK_CONTAINER(expander), scrolled);
gtk_widget_show_all(vbox);
gtk_container_add(GTK_CONTAINER(contentArea), vbox);
/* Set state of expander based on config 'show-details-when-ask' */
gtk_expander_set_expanded(GTK_EXPANDER(expander),
midori_extension_get_boolean(priv->extension, "show-details-when-ask"));
g_signal_connect_swapped(expander, "notify::expanded", G_CALLBACK(_cookie_permission_manager_when_ask_expander_changed), self);
#endif
/* Show all widgets of info bar */
gtk_widget_show_all(infobar);
/* Connect signals to quit main loop */
g_signal_connect(webkitView, "navigation-policy-decision-requested", G_CALLBACK(_cookie_permission_manager_on_infobar_webview_navigate), infobar);
g_signal_connect(infobar, "destroy", G_CALLBACK(_cookie_permission_manager_on_infobar_destroy), modalInfo);
/* Let info bar be modal and set response to default */
modalInfo->response=COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED;
modalInfo->mainLoop=g_main_loop_new(NULL, FALSE);
GDK_THREADS_LEAVE();
g_main_loop_run(modalInfo->mainLoop);
GDK_THREADS_ENTER();
g_main_loop_unref(modalInfo->mainLoop);
modalInfo->mainLoop=NULL;
/* Disconnect signal handler to webkit's web view */
g_signal_handlers_disconnect_by_func(webkitView, G_CALLBACK(_cookie_permission_manager_on_infobar_webview_navigate), infobar);
/* Store user's decision in database if it is not a temporary block.
* We use the already sorted list of cookies to prevent multiple
* updates of database for the same domain. This sorted list is a copy
* to avoid a reorder of cookies
*/
if(modalInfo->response!=COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED)
{
const gchar *lastDomain=NULL;
/* Iterate through cookies and store decision for each domain once */
for(cookies=sortedCookies; cookies; cookies=cookies->next)
{
SoupCookie *cookie=(SoupCookie*)cookies->data;
const gchar *cookieDomain=soup_cookie_get_domain(cookie);
if(*cookieDomain=='.') cookieDomain++;
/* Store decision if new domain found while iterating through cookies */
if(!lastDomain || g_ascii_strcasecmp(lastDomain, cookieDomain)!=0)
{
gchar *sql;
gchar *error=NULL;
gint success;
sql=sqlite3_mprintf("INSERT OR REPLACE INTO policies (domain, value) VALUES ('%q', %d);",
cookieDomain,
modalInfo->response);
success=sqlite3_exec(priv->database, sql, NULL, NULL, &error);
if(success!=SQLITE_OK) g_warning(_("SQL fails: %s"), error);
if(error) sqlite3_free(error);
sqlite3_free(sql);
lastDomain=cookieDomain;
}
}
}
/* Free up allocated resources */
g_slist_free(sortedCookies);
/* Return response */
return(modalInfo->response==COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED ?
COOKIE_PERMISSION_MANAGER_POLICY_BLOCK : modalInfo->response);
}
/* A cookie was changed outside a request (e.g. Javascript) */
static void _cookie_permission_manager_on_cookie_changed(CookiePermissionManager *self,
SoupCookie *inOldCookie,
SoupCookie *inNewCookie,
SoupCookieJar *inCookieJar)
{
/* Do not check changed cookies because they must have been allowed before.
* Also do not check removed cookies because they are removed ;)
*/
if(inNewCookie==NULL || inOldCookie) return;
/* New cookie is a new cookie so check */
switch(_cookie_permission_manager_get_policy(self, inNewCookie))
{
case COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT:
case COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT_FOR_SESSION:
break;
case COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED:
/* Fallthrough!
* The problem here is that we don't know the view to ask user
* for policy to follow for this cookie domain. Therefore we
* delete the cookie from jar and assume that we will be asked
* again in _cookie_permission_manager_on_response_received().
*/
default:
soup_cookie_jar_delete_cookie(inCookieJar, inNewCookie);
break;
}
}
/* We received the HTTP headers of the request and it contains cookie-managing headers */
static void _cookie_permission_manager_on_response_received(WebKitWebView *inView,
WebKitWebFrame *inFrame,
WebKitWebResource *inResource,
WebKitNetworkResponse *inResponse,
gpointer inUserData)
{
g_return_if_fail(IS_COOKIE_PERMISSION_MANAGER(inUserData));
CookiePermissionManager *self=COOKIE_PERMISSION_MANAGER(inUserData);
CookiePermissionManagerPrivate *priv=self->priv;
GSList *newCookies, *cookie;
GSList *unknownCookies=NULL, *acceptedCookies=NULL;
SoupURI *firstParty;
SoupCookieJarAcceptPolicy cookiePolicy;
gint unknownCookiesPolicy;
SoupMessage *message;
/* If policy is to deny all cookies return immediately */
cookiePolicy=soup_cookie_jar_get_accept_policy(priv->cookieJar);
if(cookiePolicy==SOUP_COOKIE_JAR_ACCEPT_NEVER) return;
/* Get SoupMessage */
message=webkit_network_response_get_message(inResponse);
if(!message || !SOUP_IS_MESSAGE(message)) return;
/* Iterate through cookies in response and check if they should be
* blocked (remove from cookies list) or accepted (added to cookie jar).
* If we could not determine what to do collect these cookies and
* ask user
*/
newCookies=soup_cookies_from_response(message);
firstParty=soup_message_get_first_party(message);
for(cookie=newCookies; cookie; cookie=cookie->next)
{
switch(_cookie_permission_manager_get_policy(self, cookie->data))
{
case COOKIE_PERMISSION_MANAGER_POLICY_BLOCK:
soup_cookie_free(cookie->data);
break;
case COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT:
case COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT_FOR_SESSION:
if((cookiePolicy==SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY &&
firstParty!=NULL &&
firstParty->host &&
soup_cookie_domain_matches(cookie->data, firstParty->host)) ||
cookiePolicy==SOUP_COOKIE_JAR_ACCEPT_ALWAYS)
{
acceptedCookies=g_slist_prepend(acceptedCookies, cookie->data);
}
else soup_cookie_free(cookie->data);
break;
case COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED:
default:
if((cookiePolicy==SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY &&
firstParty!=NULL &&
firstParty->host &&
soup_cookie_domain_matches(cookie->data, firstParty->host)) ||
cookiePolicy==SOUP_COOKIE_JAR_ACCEPT_ALWAYS)
{
unknownCookies=g_slist_prepend(unknownCookies, cookie->data);
}
else soup_cookie_free(cookie->data);
break;
}
}
/* Prepending an item to list is the fastest method but the order of cookies
* is reversed now and may be added to cookie jar in the wrong order. So we
* need to reverse list now of both - undetermined and accepted cookies
*/
unknownCookies=g_slist_reverse(unknownCookies);
acceptedCookies=g_slist_reverse(acceptedCookies);
/* Ask user for his decision what to do with cookies whose policy is undetermined
* But only ask if there is any undetermined one
*/
if(g_slist_length(unknownCookies)>0)
{
/* Get view */
MidoriView *view;
view=MIDORI_VIEW(g_object_get_data(G_OBJECT(inView), "midori-view"));
/* Ask for user's decision */
unknownCookiesPolicy=_cookie_permission_manager_ask_for_policy(self, view, message, unknownCookies);
if(unknownCookiesPolicy==COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT ||
unknownCookiesPolicy==COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT_FOR_SESSION)
{
/* Add accepted undetermined cookies to cookie jar */
for(cookie=unknownCookies; cookie; cookie=cookie->next)
{
soup_cookie_jar_add_cookie(priv->cookieJar, (SoupCookie*)cookie->data);
}
}
else
{
/* Free cookies because they should be blocked */
for(cookie=unknownCookies; cookie; cookie=cookie->next)
{
soup_cookie_free((SoupCookie*)cookie->data);
}
}
}
/* Add accepted cookies to cookie jar */
for(cookie=acceptedCookies; cookie; cookie=cookie->next)
{
soup_cookie_jar_add_cookie(priv->cookieJar, (SoupCookie*)cookie->data);
}
/* Free list of cookies */
g_slist_free(unknownCookies);
g_slist_free(acceptedCookies);
g_slist_free(newCookies);
}
/* A tab to a browser was added */
static void _cookie_permission_manager_on_add_tab(CookiePermissionManager *self, MidoriView *inView, gpointer inUserData)
{
/* Listen to starting network requests */
WebKitWebView *webkitView=WEBKIT_WEB_VIEW(midori_view_get_web_view(inView));
g_object_set_data(G_OBJECT(webkitView), "midori-view", inView);
g_signal_connect(webkitView, "resource-response-received", G_CALLBACK(_cookie_permission_manager_on_response_received), self);
}
/* A browser window was added */
static void _cookie_permission_manager_on_add_browser(CookiePermissionManager *self,
MidoriBrowser *inBrowser,
gpointer inUserData)
{
GList *tabs, *iter;
/* Set up all current available tabs in browser */
tabs=midori_browser_get_tabs(inBrowser);
for(iter=tabs; iter; iter=g_list_next(iter))
{
_cookie_permission_manager_on_add_tab(self, iter->data, inBrowser);
}
g_list_free(tabs);
/* Listen to new tabs opened in browser and existing ones closed */
g_signal_connect_swapped(inBrowser, "add-tab", G_CALLBACK(_cookie_permission_manager_on_add_tab), self);
}
/* Application property has changed */
static void _cookie_permission_manager_on_application_changed(CookiePermissionManager *self)
{
CookiePermissionManagerPrivate *priv=COOKIE_PERMISSION_MANAGER(self)->priv;
GList *browsers, *iter;
/* Set up all current open browser windows */
browsers=midori_app_get_browsers(priv->application);
for(iter=browsers; iter; iter=g_list_next(iter))
{
_cookie_permission_manager_on_add_browser(self, MIDORI_BROWSER(iter->data), priv->application);
}
g_list_free(browsers);
/* Listen to new browser windows opened and existing ones closed */
g_signal_connect_swapped(priv->application, "add-browser", G_CALLBACK(_cookie_permission_manager_on_add_browser), self);
}
/* IMPLEMENTATION: GObject */
/* Finalize this object */
static void cookie_permission_manager_finalize(GObject *inObject)
{
CookiePermissionManager *self=COOKIE_PERMISSION_MANAGER(inObject);
CookiePermissionManagerPrivate *priv=self->priv;
GList *browsers, *browser;
GList *tabs, *tab;
WebKitWebView *webkitView;
/* Dispose allocated resources */
if(priv->databaseFilename)
{
g_free(priv->databaseFilename);
priv->databaseFilename=NULL;
g_object_notify_by_pspec(inObject, CookiePermissionManagerProperties[PROP_DATABASE_FILENAME]);
}
if(priv->database)
{
sqlite3_close(priv->database);
priv->database=NULL;
g_object_notify_by_pspec(inObject, CookiePermissionManagerProperties[PROP_DATABASE]);
}
g_signal_handler_disconnect(priv->cookieJar, priv->cookieJarChangedID);
g_object_steal_data(G_OBJECT(priv->cookieJar), "cookie-permission-manager");
g_signal_handlers_disconnect_by_data(priv->application, self);
browsers=midori_app_get_browsers(priv->application);
for(browser=browsers; browser; browser=g_list_next(browser))
{
g_signal_handlers_disconnect_by_data(browser->data, self);
tabs=midori_browser_get_tabs(MIDORI_BROWSER(browser->data));
for(tab=tabs; tab; tab=g_list_next(tab))
{
webkitView=WEBKIT_WEB_VIEW(midori_view_get_web_view(MIDORI_VIEW(tab->data)));
g_signal_handlers_disconnect_by_data(webkitView, self);
}
g_list_free(tabs);
}
g_list_free(browsers);
/* Call parent's class finalize method */
G_OBJECT_CLASS(cookie_permission_manager_parent_class)->finalize(inObject);
}
/* Set/get properties */
static void cookie_permission_manager_set_property(GObject *inObject,
guint inPropID,
const GValue *inValue,
GParamSpec *inSpec)
{
CookiePermissionManager *self=COOKIE_PERMISSION_MANAGER(inObject);
switch(inPropID)
{
/* Construct-only properties */
case PROP_EXTENSION:
self->priv->extension=g_value_get_object(inValue);
_cookie_permission_manager_open_database(self);
break;
case PROP_APPLICATION:
self->priv->application=g_value_get_object(inValue);
_cookie_permission_manager_on_application_changed(self);
break;
case PROP_UNKNOWN_POLICY:
cookie_permission_manager_set_unknown_policy(self, g_value_get_int(inValue));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(inObject, inPropID, inSpec);
break;
}
}
static void cookie_permission_manager_get_property(GObject *inObject,
guint inPropID,
GValue *outValue,
GParamSpec *inSpec)
{
CookiePermissionManager *self=COOKIE_PERMISSION_MANAGER(inObject);
switch(inPropID)
{
case PROP_EXTENSION:
g_value_set_object(outValue, self->priv->extension);
break;
case PROP_APPLICATION:
g_value_set_object(outValue, self->priv->application);
break;
case PROP_DATABASE:
g_value_set_pointer(outValue, self->priv->database);
break;
case PROP_DATABASE_FILENAME:
g_value_set_string(outValue, self->priv->databaseFilename);
break;
case PROP_UNKNOWN_POLICY:
g_value_set_int(outValue, self->priv->unknownPolicy);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(inObject, inPropID, inSpec);
break;
}
}
/* Class initialization
* Override functions in parent classes and define properties and signals
*/
static void cookie_permission_manager_class_init(CookiePermissionManagerClass *klass)
{
GObjectClass *gobjectClass=G_OBJECT_CLASS(klass);
/* Override functions */
gobjectClass->finalize=cookie_permission_manager_finalize;
gobjectClass->set_property=cookie_permission_manager_set_property;
gobjectClass->get_property=cookie_permission_manager_get_property;
/* Set up private structure */
g_type_class_add_private(klass, sizeof(CookiePermissionManagerPrivate));
/* Define properties */
CookiePermissionManagerProperties[PROP_EXTENSION]=
g_param_spec_object("extension",
_("Extension instance"),
_("The Midori extension instance for this extension"),
MIDORI_TYPE_EXTENSION,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
CookiePermissionManagerProperties[PROP_APPLICATION]=
g_param_spec_object("application",
_("Application instance"),
_("The Midori application instance this extension belongs to"),
MIDORI_TYPE_APP,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
CookiePermissionManagerProperties[PROP_DATABASE]=
g_param_spec_pointer("database",
_("Database instance"),
_("Pointer to sqlite database instance used by this extension"),
G_PARAM_READABLE);
CookiePermissionManagerProperties[PROP_DATABASE_FILENAME]=
g_param_spec_string("database-filename",
_("Database path"),
_("Path to sqlite database instance used by this extension"),
NULL,
G_PARAM_READABLE);
CookiePermissionManagerProperties[PROP_UNKNOWN_POLICY]=
g_param_spec_int("unknown-policy",
_("Unknown domain policy"),
_("The policy to use for domains not individually configured."
" This only acts to further restrict the global cookie policy set in Midori settings."),
COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED,
COOKIE_PERMISSION_MANAGER_POLICY_BLOCK,
COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_properties(gobjectClass, PROP_LAST, CookiePermissionManagerProperties);
}
/* Object initialization
* Create private structure and set up default values
*/
static void cookie_permission_manager_init(CookiePermissionManager *self)
{
CookiePermissionManagerPrivate *priv;
priv=self->priv=COOKIE_PERMISSION_MANAGER_GET_PRIVATE(self);
/* Set up default values */
priv->database=NULL;
priv->databaseFilename=NULL;
priv->unknownPolicy=COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED;
/* Hijack session's cookie jar to handle cookies requests on our own in HTTP streams
* but remember old handlers to restore them on deactivation
*/
priv->session=webkit_get_default_session();
priv->cookieJar=SOUP_COOKIE_JAR(soup_session_get_feature(priv->session, SOUP_TYPE_COOKIE_JAR));
priv->featureIface=SOUP_SESSION_FEATURE_GET_CLASS(priv->cookieJar);
g_object_set_data(G_OBJECT(priv->cookieJar), "cookie-permission-manager", self);
/* Listen to changed cookies set or changed by other sources like javascript */
priv->cookieJarChangedID=g_signal_connect_swapped(priv->cookieJar, "changed", G_CALLBACK(_cookie_permission_manager_on_cookie_changed), self);
}
/* Implementation: Public API */
/* Create new object */
CookiePermissionManager* cookie_permission_manager_new(MidoriExtension *inExtension, MidoriApp *inApp)
{
return(g_object_new(TYPE_COOKIE_PERMISSION_MANAGER,
"extension", inExtension,
"application", inApp,
NULL));
}
/* Get/set policy to ask for policy if unknown for a domain */
CookiePermissionManagerPolicy cookie_permission_manager_get_unknown_policy(CookiePermissionManager *self)
{
g_return_val_if_fail(IS_COOKIE_PERMISSION_MANAGER(self), COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED);
return(self->priv->unknownPolicy);
}
void cookie_permission_manager_set_unknown_policy(CookiePermissionManager *self, CookiePermissionManagerPolicy inPolicy)
{
g_return_if_fail(IS_COOKIE_PERMISSION_MANAGER(self));
if(inPolicy!=self->priv->unknownPolicy)
{
self->priv->unknownPolicy=inPolicy;
midori_extension_set_integer(self->priv->extension, "unknown-policy", inPolicy);
g_object_notify_by_pspec(G_OBJECT(self), CookiePermissionManagerProperties[PROP_UNKNOWN_POLICY]);
}
}
/************************************************************************************/
/* Implementation: Enumeration */
GType cookie_permission_manager_policy_get_type(void)
{
static volatile gsize g_define_type_id__volatile=0;
if(g_once_init_enter(&g_define_type_id__volatile))
{
static const GEnumValue values[]=
{
{ COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED, "COOKIE_PERMISSION_MANAGER_POLICY_UNDETERMINED", N_("Undetermined") },
{ COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT, "COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT", N_("Accept") },
{ COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT_FOR_SESSION, "COOKIE_PERMISSION_MANAGER_POLICY_ACCEPT_FOR_SESSION", N_("Accept for session") },
{ COOKIE_PERMISSION_MANAGER_POLICY_BLOCK, "COOKIE_PERMISSION_MANAGER_POLICY_BLOCK", N_("Block") },
{ 0, NULL, NULL }
};
GType g_define_type_id=g_enum_register_static(g_intern_static_string("CookiePermissionManagerPolicy"), values);
g_once_init_leave(&g_define_type_id__volatile, g_define_type_id);
}
return(g_define_type_id__volatile);
}
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