midori/extensions/formhistory/formhistory.c
2012-08-29 01:09:24 +02:00

681 lines
23 KiB
C

/*
Copyright (C) 2009-2012 Alexander Butenko <a.butenka@gmail.com>
Copyright (C) 2009-2012 Christian Dywan <christian@twotoasts.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.
*/
#define MAXCHARS 60
#define MINCHARS 2
#define GTK_RESPONSE_IGNORE 99
#include "formhistory-frontend.h"
static void
formhistory_toggle_state_cb (GtkAction* action,
MidoriBrowser* browser);
static void
formhistory_update_database (gpointer db,
const gchar* host,
const gchar* key,
const gchar* value)
{
gchar* sqlcmd;
gchar* errmsg;
gint success;
if (!(value && *value))
return;
sqlcmd = sqlite3_mprintf ("INSERT INTO forms VALUES"
"('%q', '%q', '%q')",
host, key, value);
success = sqlite3_exec (db, sqlcmd, NULL, NULL, &errmsg);
sqlite3_free (sqlcmd);
if (success != SQLITE_OK)
{
g_printerr (_("Failed to add form value: %s\n"), errmsg);
g_free (errmsg);
return;
}
}
static gchar*
formhistory_get_login_data (gpointer db,
const gchar* domain)
{
static sqlite3_stmt* stmt;
const char* sqlcmd;
gint result;
gchar* value = NULL;
if (!stmt)
{
sqlcmd = "SELECT value FROM forms WHERE domain = ?1 and field = 'MidoriPasswordManager' limit 1";
sqlite3_prepare_v2 (db, sqlcmd, strlen (sqlcmd) + 1, &stmt, NULL);
}
sqlite3_bind_text (stmt, 1, domain, -1, NULL);
result = sqlite3_step (stmt);
if (result == SQLITE_ROW)
value = g_strdup ((gchar*)sqlite3_column_text (stmt, 0));
sqlite3_reset (stmt);
sqlite3_clear_bindings (stmt);
return value;
}
static gboolean
formhistory_check_master_password (GtkWidget* parent,
FormHistoryPriv* priv)
{
GtkWidget* dialog;
GtkWidget* content_area;
GtkWidget* hbox;
GtkWidget* image;
GtkWidget* label;
GtkWidget* entry;
const gchar* title;
static int alive;
gboolean ret = FALSE;
/* Password is set */
if (priv->master_password && *priv->master_password)
return TRUE;
/* Other prompt is active */
if (alive == 1)
return FALSE;
/* Prompt was cancelled */
if (priv->master_password_canceled == 1)
return FALSE;
alive = 1;
title = _("Form history");
dialog = gtk_dialog_new_with_buttons (title, GTK_WINDOW (parent),
GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_NO_SEPARATOR,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
gtk_window_set_icon_name (GTK_WINDOW (dialog), GTK_STOCK_DIALOG_AUTHENTICATION);
gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
gtk_container_set_border_width (GTK_CONTAINER (content_area), 5);
hbox = gtk_hbox_new (FALSE, 8);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
GTK_ICON_SIZE_DIALOG);
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
label = gtk_label_new (_("Master password required\n"
"to open password database"));
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (content_area), hbox);
entry = gtk_entry_new ();
g_object_set (entry, "truncate-multiline", TRUE, NULL);
gtk_entry_set_visibility(GTK_ENTRY (entry),FALSE);
gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
gtk_container_add (GTK_CONTAINER (content_area), entry);
gtk_widget_show_all (entry);
gtk_widget_show_all (hbox);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK)
{
/* FIXME: add password verification */
katze_assign (priv->master_password,
g_strdup (gtk_entry_get_text (GTK_ENTRY (entry))));
ret = TRUE;
}
else
priv->master_password_canceled = 1;
gtk_widget_destroy (dialog);
alive = 0;
return ret;
}
static gchar*
formhistory_encrypt (const gchar* data,
const gchar* password)
{
/* TODO: Implement persistent storage/ keyring support */
return NULL;
}
static void
formhistory_remember_password_response (GtkWidget* infobar,
gint response_id,
FormhistoryPasswordEntry* entry)
{
gchar* encrypted_form;
if (response_id == GTK_RESPONSE_IGNORE)
goto cleanup;
if (formhistory_check_master_password (NULL, entry->priv))
{
if (response_id != GTK_RESPONSE_ACCEPT)
katze_assign (entry->form_data, g_strdup ("never"));
if ((encrypted_form = formhistory_encrypt (entry->form_data,
entry->priv->master_password)))
formhistory_update_database (entry->priv->db, entry->domain, "MidoriPasswordManager", encrypted_form);
g_free (encrypted_form);
}
cleanup:
g_free (entry->form_data);
g_free (entry->domain);
g_slice_free (FormhistoryPasswordEntry, entry);
gtk_widget_destroy (infobar);
}
static gboolean
formhistory_navigation_decision_cb (WebKitWebView* web_view,
WebKitWebFrame* web_frame,
WebKitNetworkRequest* request,
WebKitWebNavigationAction* action,
WebKitWebPolicyDecision* decision,
MidoriExtension* extension)
{
FormHistoryPriv* priv;
JSContextRef js_context;
gchar* value;
/* The script returns form data in the form "field_name|,|value|,|field_type".
We are handling only input fields with 'text' or 'password' type.
The field separator is "|||" */
const gchar* script = "function dumpForm (inputs) {"
" var out = '';"
" for (var i = 0; i < inputs.length; i++) {"
" if (inputs[i].getAttribute('autocomplete') == 'off' && "
" inputs[i].type == 'text')"
" continue;"
" if (inputs[i].value && (inputs[i].type == 'text' || inputs[i].type == 'password')) {"
" var ename = inputs[i].getAttribute('name');"
" var eid = inputs[i].getAttribute('id');"
" if (!eid && ename)"
" eid=ename;"
" out += eid+'|,|'+inputs[i].value +'|,|'+inputs[i].type +'|||';"
" }"
" }"
" return out;"
"}"
"dumpForm (document.getElementsByTagName('input'))";
if (webkit_web_navigation_action_get_reason (action) != WEBKIT_WEB_NAVIGATION_REASON_FORM_SUBMITTED)
return FALSE;
priv = g_object_get_data (G_OBJECT (extension), "priv");
js_context = webkit_web_frame_get_global_context (web_frame);
value = sokoke_js_script_eval (js_context, script, NULL);
#ifdef FORMHISTORY_USE_GDOM
formhistory_suggestions_hide_cb (NULL, NULL, priv);
#endif
if (value && *value)
{
gchar** inputs = g_strsplit (value, "|||", 0);
guint i = 0;
while (inputs[i] != NULL)
{
gchar** parts = g_strsplit (inputs[i], "|,|", 3);
if (parts && parts[0] && parts[1] && parts[2])
{
if (strcmp (parts[2], "password"))
formhistory_update_database (priv->db, NULL, parts[0], parts[1]);
#if WEBKIT_CHECK_VERSION (1, 3, 8)
else
{
gchar* data;
gchar* domain;
#if 0
FormhistoryPasswordEntry* entry;
#endif
domain = midori_uri_parse_hostname (webkit_web_frame_get_uri (web_frame), NULL);
data = formhistory_get_login_data (priv->db, domain);
if (data)
{
g_free (data);
g_free (domain);
break;
}
#if 0
entry = g_slice_new (FormhistoryPasswordEntry);
/* Domain and form data are freed from infopanel callback*/
entry->form_data = g_strdup (value);
entry->domain = domain;
entry->priv = priv;
g_object_set_data (G_OBJECT (web_view), "FormHistoryPasswordEntry", entry);
#endif
}
#endif
}
g_strfreev (parts);
i++;
}
g_strfreev (inputs);
g_free (value);
}
return FALSE;
}
static void
formhistory_window_object_cleared_cb (WebKitWebView* web_view,
WebKitWebFrame* web_frame,
JSContextRef js_context,
JSObjectRef js_window,
MidoriExtension* extension)
{
const gchar* page_uri;
FormhistoryPasswordEntry* entry;
GtkWidget* view;
page_uri = webkit_web_frame_get_uri (web_frame);
if (!page_uri)
return;
if (!midori_uri_is_http (page_uri) && !g_str_has_prefix (page_uri, "file"))
return;
formhistory_setup_suggestions (web_view, js_context, extension);
#if WEBKIT_CHECK_VERSION (1, 3, 8)
entry = g_object_get_data (G_OBJECT (web_view), "FormHistoryPasswordEntry");
if (entry)
{
const gchar* message = _("Remember password on this page?");
view = midori_browser_get_current_tab (midori_app_get_browser (
midori_extension_get_app (extension)));
midori_view_add_info_bar (MIDORI_VIEW (view), GTK_MESSAGE_QUESTION, message,
G_CALLBACK (formhistory_remember_password_response), entry,
_("Remember"), GTK_RESPONSE_ACCEPT,
_("Not now"), GTK_RESPONSE_IGNORE,
_("Never for this page"), GTK_RESPONSE_CANCEL, NULL);
g_object_set_data (G_OBJECT (web_view), "FormHistoryPasswordEntry", NULL);
}
#endif
}
#if WEBKIT_CHECK_VERSION (1, 3, 8)
static gchar*
formhistory_decrypt (const gchar* data,
const gchar* password)
{
/* TODO: Implement persistent storage/ keyring support */
return NULL;
}
static void
formhistory_fill_login_data (JSContextRef js_context,
FormHistoryPriv* priv,
const gchar* data)
{
gchar* decrypted_data = NULL;
guint i = 0;
GString *script;
gchar** inputs;
/* Handle case that user dont want to store password */
if (!strncmp (data, "never", 5))
return;
#if 0
if (!formhistory_check_master_password (NULL, priv))
return;
#endif
if (!(decrypted_data = formhistory_decrypt (data, priv->master_password)))
return;
script = g_string_new ("");
inputs = g_strsplit (decrypted_data, "|||", 0);
while (inputs[i] != NULL)
{
gchar** parts = g_strsplit (inputs[i], "|,|", 3);
if (parts && parts[0] && parts[1] && parts[2])
{
g_string_append_printf (script, "node = null;"
"node = document.getElementById ('%s');"
"if (!node) { node = document.getElementsByName ('%s')[0]; }"
"if (node && node.type == '%s') { node.value = '%s'; }",
parts[0], parts[0], parts[2], parts[1]);
}
g_strfreev (parts);
i++;
}
g_free (decrypted_data);
g_strfreev (inputs);
g_free (sokoke_js_script_eval (js_context, script->str, NULL));
g_string_free (script, TRUE);
}
static void
formhistory_frame_loaded_cb (WebKitWebView* web_view,
WebKitWebFrame* web_frame,
MidoriExtension* extension)
{
const gchar* page_uri;
const gchar* count_request;
FormHistoryPriv* priv;
JSContextRef js_context;
gchar* data;
gchar* domain;
gchar* count;
page_uri = webkit_web_frame_get_uri (web_frame);
if (!page_uri)
return;
count_request = "document.querySelectorAll('input[type=password]').length";
js_context = webkit_web_frame_get_global_context (web_frame);
count = sokoke_js_script_eval (js_context, count_request, NULL);
if (count && count[0] == '0')
{
g_free (count);
return;
}
g_free (count);
priv = g_object_get_data (G_OBJECT (extension), "priv");
domain = midori_uri_parse_hostname (webkit_web_frame_get_uri (web_frame), NULL);
data = formhistory_get_login_data (priv->db, domain);
g_free (domain);
if (!data)
return;
formhistory_fill_login_data (js_context, priv, data);
g_free (data);
}
#endif
static void
formhistory_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser);
static void
formhistory_add_tab_cb (MidoriBrowser* browser,
MidoriView* view,
MidoriExtension* extension)
{
GtkWidget* web_view = midori_view_get_web_view (view);
g_signal_connect (web_view, "window-object-cleared",
G_CALLBACK (formhistory_window_object_cleared_cb), extension);
g_signal_connect (web_view, "navigation-policy-decision-requested",
G_CALLBACK (formhistory_navigation_decision_cb), extension);
#if WEBKIT_CHECK_VERSION (1, 3, 8)
g_signal_connect (web_view, "onload-event",
G_CALLBACK (formhistory_frame_loaded_cb), extension);
#endif
}
static void
formhistory_add_tab_foreach_cb (MidoriView* view,
MidoriExtension* extension)
{
formhistory_add_tab_cb (NULL, view, extension);
}
static void
formhistory_app_add_browser_cb (MidoriApp* app,
MidoriBrowser* browser,
MidoriExtension* extension)
{
GtkAccelGroup* acg = gtk_accel_group_new ();
GtkActionGroup* action_group = midori_browser_get_action_group (browser);
GtkAction* action = gtk_action_new ("FormHistoryToggleState",
_("Toggle form history state"),
_("Activate or deactivate form history for the current tab."), NULL);
gtk_window_add_accel_group (GTK_WINDOW (browser), acg);
g_object_set_data (G_OBJECT (browser), "FormHistoryExtension", extension);
g_signal_connect (action, "activate",
G_CALLBACK (formhistory_toggle_state_cb), browser);
gtk_action_group_add_action_with_accel (action_group, action, "<Ctrl><Shift>F");
gtk_action_set_accel_group (action, acg);
gtk_action_connect_accelerator (action);
if (midori_extension_get_boolean (extension, "always-load"))
{
midori_browser_foreach (browser,
(GtkCallback)formhistory_add_tab_foreach_cb, extension);
g_signal_connect (browser, "add-tab",
G_CALLBACK (formhistory_add_tab_cb), extension);
}
g_signal_connect (extension, "deactivate",
G_CALLBACK (formhistory_deactivate_cb), browser);
}
static void
formhistory_deactivate_tab (MidoriView* view,
MidoriExtension* extension)
{
GtkWidget* web_view = midori_view_get_web_view (view);
g_signal_handlers_disconnect_by_func (
web_view, formhistory_window_object_cleared_cb, extension);
g_signal_handlers_disconnect_by_func (
web_view, formhistory_navigation_decision_cb, extension);
#if WEBKIT_CHECK_VERSION (1, 3, 8)
g_signal_handlers_disconnect_by_func (
web_view, formhistory_frame_loaded_cb, extension);
#endif
}
static void
formhistory_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser)
{
MidoriApp* app = midori_extension_get_app (extension);
FormHistoryPriv* priv = g_object_get_data (G_OBJECT (extension), "priv");
GtkActionGroup* action_group = midori_browser_get_action_group (browser);
GtkAction* action;
g_signal_handlers_disconnect_by_func (
browser, formhistory_add_tab_cb, extension);
g_signal_handlers_disconnect_by_func (
extension, formhistory_deactivate_cb, browser);
g_signal_handlers_disconnect_by_func (
app, formhistory_app_add_browser_cb, extension);
midori_browser_foreach (browser,
(GtkCallback)formhistory_deactivate_tab, extension);
g_object_set_data (G_OBJECT (browser), "FormHistoryExtension", NULL);
action = gtk_action_group_get_action (action_group, "FormHistoryToggleState");
if (action != NULL)
{
gtk_action_group_remove_action (action_group, action);
g_object_unref (action);
}
formhistory_private_destroy (priv);
}
static void
formhistory_activate_cb (MidoriExtension* extension,
MidoriApp* app)
{
const gchar* config_dir;
gchar* filename;
sqlite3* db;
char* errmsg = NULL, *errmsg2 = NULL;
KatzeArray* browsers;
MidoriBrowser* browser;
FormHistoryPriv* priv;
priv = formhistory_private_new ();
priv->master_password = NULL;
priv->master_password_canceled = 0;
formhistory_construct_popup_gui (priv);
config_dir = midori_extension_get_config_dir (extension);
if (config_dir != NULL)
katze_mkdir_with_parents (config_dir, 0700);
filename = g_build_filename (config_dir, "forms.db", NULL);
if (sqlite3_open (filename, &db) != SQLITE_OK)
{
if (config_dir != NULL)
g_warning (_("Failed to open database: %s\n"), sqlite3_errmsg (db));
sqlite3_close (db);
}
g_free (filename);
if ((sqlite3_exec (db, "CREATE TABLE IF NOT EXISTS "
"forms (domain text, field text, value text)",
NULL, NULL, &errmsg) == SQLITE_OK))
{
sqlite3_exec (db,
/* "PRAGMA synchronous = OFF; PRAGMA temp_store = MEMORY" */
"PRAGMA count_changes = OFF; PRAGMA journal_mode = TRUNCATE;",
NULL, NULL, &errmsg);
priv->db = db;
}
else
{
if (errmsg)
{
g_critical (_("Failed to execute database statement: %s\n"), errmsg);
sqlite3_free (errmsg);
if (errmsg2)
{
g_critical (_("Failed to execute database statement: %s\n"), errmsg2);
sqlite3_free (errmsg2);
}
}
sqlite3_close (db);
}
g_object_set_data (G_OBJECT (extension), "priv", priv);
browsers = katze_object_get_object (app, "browsers");
KATZE_ARRAY_FOREACH_ITEM (browser, browsers)
formhistory_app_add_browser_cb (app, browser, extension);
g_signal_connect (app, "add-browser",
G_CALLBACK (formhistory_app_add_browser_cb), extension);
g_object_unref (browsers);
}
static void
formhistory_preferences_response_cb (GtkWidget* dialog,
gint response_id,
MidoriExtension* extension)
{
GtkWidget* checkbox;
gboolean old_state;
gboolean new_state;
MidoriApp* app;
KatzeArray* browsers;
MidoriBrowser* browser;
if (response_id == GTK_RESPONSE_APPLY)
{
checkbox = g_object_get_data (G_OBJECT (dialog), "always-load-checkbox");
new_state = !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbox));
old_state = midori_extension_get_boolean (extension, "always-load");
if (old_state != new_state)
{
midori_extension_set_boolean (extension, "always-load", new_state);
app = midori_extension_get_app (extension);
browsers = katze_object_get_object (app, "browsers");
KATZE_ARRAY_FOREACH_ITEM (browser, browsers)
{
midori_browser_foreach (browser,
(GtkCallback)formhistory_deactivate_tab, extension);
g_signal_handlers_disconnect_by_func (
browser, formhistory_add_tab_cb, extension);
if (new_state)
{
midori_browser_foreach (browser,
(GtkCallback)formhistory_add_tab_foreach_cb, extension);
g_signal_connect (browser, "add-tab",
G_CALLBACK (formhistory_add_tab_cb), extension);
}
}
}
}
gtk_widget_destroy (dialog);
}
static void
formhistory_preferences_cb (MidoriExtension* extension)
{
GtkWidget* dialog;
GtkWidget* content_area;
GtkWidget* checkbox;
dialog = gtk_dialog_new ();
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_APPLY, GTK_RESPONSE_APPLY);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
checkbox = gtk_check_button_new_with_label (_("Only activate form history via hotkey (Ctrl+Shift+F) per tab"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbox),
!midori_extension_get_boolean (extension, "always-load"));
g_object_set_data (G_OBJECT (dialog), "always-load-checkbox", checkbox);
gtk_container_add (GTK_CONTAINER (content_area), checkbox);
/* FIXME: Add pref to disable password manager */
g_signal_connect (dialog,
"response",
G_CALLBACK (formhistory_preferences_response_cb),
extension);
gtk_widget_show_all (dialog);
}
static void
formhistory_toggle_state_cb (GtkAction* action,
MidoriBrowser* browser)
{
MidoriView* view = MIDORI_VIEW (midori_browser_get_current_tab (browser));
MidoriExtension* extension = g_object_get_data (G_OBJECT (browser), "FormHistoryExtension");
GtkWidget* web_view = midori_view_get_web_view (view);
if (g_signal_handler_find (web_view, G_SIGNAL_MATCH_FUNC,
g_signal_lookup ("window-object-cleared", MIDORI_TYPE_VIEW), 0, NULL,
formhistory_window_object_cleared_cb, extension))
{
formhistory_deactivate_tab (view, extension);
}
else
formhistory_add_tab_cb (browser, view, extension);
}
MidoriExtension*
extension_init (void)
{
MidoriExtension* extension;
extension = g_object_new (MIDORI_TYPE_EXTENSION,
"name", _("Form history filler"),
"description", _("Stores history of entered form data"),
"version", "2.0" MIDORI_VERSION_SUFFIX,
"authors", "Alexander V. Butenko <a.butenka@gmail.com>",
NULL);
midori_extension_install_boolean (extension, "always-load", TRUE);
g_signal_connect (extension, "activate",
G_CALLBACK (formhistory_activate_cb), NULL);
g_signal_connect (extension, "open-preferences",
G_CALLBACK (formhistory_preferences_cb), NULL);
return extension;
}