/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* mail-session.c: handles the session information and resource manipulation */
/*
* Copyright 2001 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 <stdlib.h>
#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <gconf/gconf-client.h>
#include <libgnome/gnome-config.h>
#include <libgnome/gnome-sound.h>
#include <libedataserverui/e-passwords.h>
#include <libedataserver/e-msgport.h>
#include <camel/camel.h> /* FIXME: this is where camel_init is defined, it shouldn't include everything else */
#include <camel/camel-filter-driver.h>
#include <camel/camel-i18n.h>
#include "e-util/e-error.h"
#include "e-util/e-util-private.h"
#include "em-filter-context.h"
#include "em-filter-rule.h"
#include "mail-component.h"
#include "mail-config.h"
#include "mail-mt.h"
#include "mail-ops.h"
#include "mail-session.h"
#include "mail-tools.h"
#define d(x)
CamelSession *session;
static int session_check_junk_notify_id = -1;
#define MAIL_SESSION_TYPE (mail_session_get_type ())
#define MAIL_SESSION(obj) (CAMEL_CHECK_CAST((obj), MAIL_SESSION_TYPE, MailSession))
#define MAIL_SESSION_CLASS(k) (CAMEL_CHECK_CLASS_CAST ((k), MAIL_SESSION_TYPE, MailSessionClass))
#define MAIL_IS_SESSION(o) (CAMEL_CHECK_TYPE((o), MAIL_SESSION_TYPE))
typedef struct _MailSession {
CamelSession parent_object;
gboolean interactive;
FILE *filter_logfile;
GList *junk_plugins;
MailAsyncEvent *async;
} MailSession;
typedef struct _MailSessionClass {
CamelSessionClass parent_class;
} MailSessionClass;
static CamelSessionClass *ms_parent_class;
static char *get_password(CamelSession *session, CamelService *service, const char *domain, const char *prompt, const char *item, guint32 flags, CamelException *ex);
static void forget_password(CamelSession *session, CamelService *service, const char *domain, const char *item, CamelException *ex);
static gboolean alert_user(CamelSession *session, CamelSessionAlertType type, const char *prompt, gboolean cancel);
static CamelFilterDriver *get_filter_driver(CamelSession *session, const char *type, CamelException *ex);
static void ms_thread_status(CamelSession *session, CamelSessionThreadMsg *msg, const char *text, int pc);
static void *ms_thread_msg_new(CamelSession *session, CamelSessionThreadOps *ops, unsigned int size);
static void ms_thread_msg_free(CamelSession *session, CamelSessionThreadMsg *m);
static void
init (MailSession *session)
{
session->async = mail_async_event_new();
session->junk_plugins = NULL;
}
static void
finalise (MailSession *session)
{
if (session_check_junk_notify_id != -1)
gconf_client_notify_remove (mail_config_get_gconf_client (), session_check_junk_notify_id);
mail_async_event_destroy(session->async);
}
static void
class_init (MailSessionClass *mail_session_class)
{
CamelSessionClass *camel_session_class = CAMEL_SESSION_CLASS (mail_session_class);
/* virtual method override */
camel_session_class->get_password = get_password;
camel_session_class->forget_password = forget_password;
camel_session_class->alert_user = alert_user;
camel_session_class->get_filter_driver = get_filter_driver;
camel_session_class->thread_msg_new = ms_thread_msg_new;
camel_session_class->thread_msg_free = ms_thread_msg_free;
camel_session_class->thread_status = ms_thread_status;
}
static CamelType
mail_session_get_type (void)
{
static CamelType mail_session_type = CAMEL_INVALID_TYPE;
if (mail_session_type == CAMEL_INVALID_TYPE) {
ms_parent_class = (CamelSessionClass *)camel_session_get_type();
mail_session_type = camel_type_register (
camel_session_get_type (),
"MailSession",
sizeof (MailSession),
sizeof (MailSessionClass),
(CamelObjectClassInitFunc) class_init,
NULL,
(CamelObjectInitFunc) init,
(CamelObjectFinalizeFunc) finalise);
}
return mail_session_type;
}
static char *
make_key (CamelService *service, const char *item)
{
char *key;
if (service)
key = camel_url_to_string (service->url, CAMEL_URL_HIDE_PASSWORD | CAMEL_URL_HIDE_PARAMS);
else
key = g_strdup (item);
return key;
}
/* ********************************************************************** */
static char *
get_password (CamelSession *session, CamelService *service, const char *domain,
const char *prompt, const char *item, guint32 flags, CamelException *ex)
{
char *url;
char *ret = NULL;
EAccount *account = NULL;
url = service?camel_url_to_string(service->url, CAMEL_URL_HIDE_ALL):NULL;
if (!strcmp(item, "popb4smtp_uri")) {
/* not 100% mt safe, but should be ok */
if (url
&& (account = mail_config_get_account_by_transport_url(url)))
ret = g_strdup(account->source->url);
} else {
char *key = make_key(service, item);
EAccountService *config_service = NULL;
if (domain == NULL)
domain = "Mail";
ret = e_passwords_get_password(domain, key);
if (ret == NULL || (flags & CAMEL_SESSION_PASSWORD_REPROMPT)) {
gboolean remember;
if (url) {
if ((account = mail_config_get_account_by_source_url(url)))
config_service = account->source;
else if ((account = mail_config_get_account_by_transport_url(url)))
config_service = account->transport;
}
remember = config_service?config_service->save_passwd:FALSE;
if (!config_service || (config_service && !config_service->get_password_canceled)) {
guint32 eflags;
char *title;
if (flags & CAMEL_SESSION_PASSPHRASE) {
if (account)
title = g_strdup_printf (_("Enter Passphrase for %s"), account->name);
else
title = g_strdup (_("Enter Passphrase"));
} else {
if (account)
title = g_strdup_printf (_("Enter Password for %s"), account->name);
else
title = g_strdup (_("Enter Password"));
}
if ((flags & CAMEL_SESSION_PASSWORD_STATIC) != 0)
eflags = E_PASSWORDS_REMEMBER_NEVER;
else if (config_service == NULL)
eflags = E_PASSWORDS_REMEMBER_SESSION;
else
eflags = E_PASSWORDS_REMEMBER_FOREVER;
if (flags & CAMEL_SESSION_PASSWORD_REPROMPT)
eflags |= E_PASSWORDS_REPROMPT;
if (flags & CAMEL_SESSION_PASSWORD_SECRET)
eflags |= E_PASSWORDS_SECRET;
if (flags & CAMEL_SESSION_PASSPHRASE)
eflags |= E_PASSWORDS_PASSPHRASE;
/* HACK: breaks abstraction ...
e_account_writable doesn't use the eaccount, it also uses the same writable key for
source and transport */
if (!e_account_writable(NULL, E_ACCOUNT_SOURCE_SAVE_PASSWD))
eflags |= E_PASSWORDS_DISABLE_REMEMBER;
ret = e_passwords_ask_password(title, domain, key, prompt, eflags, &remember, NULL);
g_free(title);
if (ret && config_service)
mail_config_service_set_save_passwd(config_service, remember);
if (config_service)
config_service->get_password_canceled = ret == NULL;
}
}
g_free(key);
}
g_free(url);
if (ret == NULL)
camel_exception_set(ex, CAMEL_EXCEPTION_USER_CANCEL, _("User canceled operation."));
return ret;
}
static void
forget_password (CamelSession *session, CamelService *service, const char *domain, const char *item, CamelException *ex)
{
char *key = make_key (service, item);
e_passwords_forget_password (domain?domain:"Mail", key);
g_free (key);
}
/* ********************************************************************** */
static GtkDialog *message_dialog;
static EDList message_list = E_DLIST_INITIALISER(message_list);
struct _user_message_msg {
struct _mail_msg msg;
CamelSessionAlertType type;
char *prompt;
unsigned int allow_cancel:1;
unsigned int result:1;
unsigned int ismain:1;
};
static void do_user_message (struct _mail_msg *mm);
/* clicked, send back the reply */
static void
user_message_response (GtkDialog *dialog, int button, struct _user_message_msg *m)
{
gtk_widget_destroy ((GtkWidget *) dialog);
message_dialog = NULL;
/* if !allow_cancel, then we've already replied */
if (m->allow_cancel) {
m->result = button == GTK_RESPONSE_OK;
e_msgport_reply((EMsg *)m);
}
/* check for pendings */
if ((m = (struct _user_message_msg *)e_dlist_remhead(&message_list)))
do_user_message((struct _mail_msg *)m);
}
static void
user_message_destroy_notify (struct _user_message_msg *m, GObject *deadbeef)
{
message_dialog = NULL;
}
/* This is kinda ugly/inefficient, but oh well, it works */
static const char *error_type[] = {
"mail:session-message-info", "mail:session-message-warning", "mail:session-message-error",
"mail:session-message-info-cancel", "mail:session-message-warning-cancel", "mail:session-message-error-cancel"
};
static void
do_user_message (struct _mail_msg *mm)
{
struct _user_message_msg *m = (struct _user_message_msg *)mm;
int type;
if (!m->ismain && message_dialog != NULL) {
e_dlist_addtail (&message_list, (EDListNode *)m);
return;
}
switch (m->type) {
case CAMEL_SESSION_ALERT_INFO:
type = 0;
break;
case CAMEL_SESSION_ALERT_WARNING:
type = 1;
break;
case CAMEL_SESSION_ALERT_ERROR:
type = 2;
break;
default:
type = 0;
}
if (m->allow_cancel)
type += 3;
message_dialog = (GtkDialog *)e_error_new(NULL, error_type[type], m->prompt, NULL);
g_object_set ((GObject *) message_dialog, "allow_shrink", TRUE, "allow_grow", TRUE, NULL);
/* We only need to wait for the result if we allow cancel otherwise show but send result back instantly */
if (m->allow_cancel) {
if (m->ismain) {
user_message_response(message_dialog, gtk_dialog_run (message_dialog), m);
} else {
g_signal_connect (message_dialog, "response", G_CALLBACK (user_message_response), m);
gtk_widget_show ((GtkWidget *) message_dialog);
}
} else {
g_signal_connect (message_dialog, "response", G_CALLBACK (gtk_widget_destroy), message_dialog);
g_object_weak_ref ((GObject *) message_dialog, (GWeakNotify) user_message_destroy_notify, m);
gtk_widget_show ((GtkWidget *) message_dialog);
mail_msg_free(m);
}
}
static void
free_user_message(struct _mail_msg *mm)
{
struct _user_message_msg *m = (struct _user_message_msg *)mm;
g_free(m->prompt);
}
static struct _mail_msg_op user_message_op = { NULL, do_user_message, NULL, free_user_message };
static gboolean
alert_user(CamelSession *session, CamelSessionAlertType type, const char *prompt, gboolean cancel)
{
MailSession *mail_session = MAIL_SESSION (session);
struct _user_message_msg *m, *r;
EMsgPort *user_message_reply = NULL;
gboolean ret;
if (!mail_session->interactive)
return FALSE;
if (cancel)
user_message_reply = e_msgport_new ();
m = mail_msg_new (&user_message_op, user_message_reply, sizeof (*m));
m->ismain = pthread_equal(pthread_self(), mail_gui_thread);
m->type = type;
m->prompt = g_strdup(prompt);
m->allow_cancel = cancel;
if (m->ismain)
do_user_message((struct _mail_msg *)m);
else {
extern EMsgPort *mail_gui_port2;
e_msgport_put(mail_gui_port2, (EMsg *)m);
}
if (cancel) {
r = (struct _user_message_msg *)e_msgport_wait(user_message_reply);
g_return_val_if_fail (m == r, FALSE);
ret = m->result;
mail_msg_free(m);
e_msgport_destroy(user_message_reply);
} else
ret = TRUE;
return ret;
}
static CamelFolder *
get_folder (CamelFilterDriver *d, const char *uri, void *data, CamelException *ex)
{
return mail_tool_uri_to_folder(uri, 0, ex);
}
static void
main_play_sound (CamelFilterDriver *driver, char *filename, gpointer user_data)
{
if (filename && *filename)
gnome_sound_play (filename);
else
gdk_beep ();
g_free (filename);
camel_object_unref (session);
}
static void
session_play_sound (CamelFilterDriver *driver, const char *filename, gpointer user_data)
{
MailSession *ms = (MailSession *) session;
camel_object_ref (session);
mail_async_event_emit (ms->async, MAIL_ASYNC_GUI, (MailAsyncFunc) main_play_sound,
driver, g_strdup (filename), user_data);
}
static void
main_system_beep (CamelFilterDriver *driver, gpointer user_data)
{
gdk_beep ();
camel_object_unref (session);
}
static void
session_system_beep (CamelFilterDriver *driver, gpointer user_data)
{
MailSession *ms = (MailSession *) session;
camel_object_ref (session);
mail_async_event_emit (ms->async, MAIL_ASYNC_GUI, (MailAsyncFunc) main_system_beep,
driver, user_data, NULL);
}
static CamelFilterDriver *
main_get_filter_driver (CamelSession *session, const char *type, CamelException *ex)
{
CamelFilterDriver *driver;
FilterRule *rule = NULL;
char *user, *system;
GConfClient *gconf;
RuleContext *fc;
gconf = mail_config_get_gconf_client ();
user = g_strdup_printf ("%s/mail/filters.xml", mail_component_peek_base_directory (mail_component_peek ()));
system = g_build_filename (EVOLUTION_PRIVDATADIR, "filtertypes.xml", NULL);
fc = (RuleContext *) em_filter_context_new ();
rule_context_load (fc, system, user);
g_free (system);
g_free (user);
driver = camel_filter_driver_new (session);
camel_filter_driver_set_folder_func (driver, get_folder, NULL);
if (gconf_client_get_bool (gconf, "/apps/evolution/mail/filters/log", NULL)) {
MailSession *ms = (MailSession *) session;
if (ms->filter_logfile == NULL) {
char *filename;
filename = gconf_client_get_string (gconf, "/apps/evolution/mail/filters/logfile", NULL);
if (filename) {
ms->filter_logfile = g_fopen (filename, "a+");
g_free (filename);
}
}
if (ms->filter_logfile)
camel_filter_driver_set_logfile (driver, ms->filter_logfile);
}
camel_filter_driver_set_shell_func (driver, mail_execute_shell_command, NULL);
camel_filter_driver_set_play_sound_func (driver, session_play_sound, NULL);
camel_filter_driver_set_system_beep_func (driver, session_system_beep, NULL);
if ((!strcmp (type, FILTER_SOURCE_INCOMING) || !strcmp (type, FILTER_SOURCE_JUNKTEST))
&& camel_session_check_junk (session)) {
/* implicit junk check as 1st rule */
camel_filter_driver_add_rule (driver, "Junk check", "(junk-test)", "(begin (set-system-flag \"junk\")(set-system-flag \"seen\"))");
}
if (strcmp (type, FILTER_SOURCE_JUNKTEST) != 0) {
GString *fsearch, *faction;
fsearch = g_string_new ("");
faction = g_string_new ("");
if (!strcmp (type, FILTER_SOURCE_DEMAND))
type = FILTER_SOURCE_INCOMING;
/* add the user-defined rules next */
while ((rule = rule_context_next_rule (fc, rule, type))) {
g_string_truncate (fsearch, 0);
g_string_truncate (faction, 0);
filter_rule_build_code (rule, fsearch);
em_filter_rule_build_action ((EMFilterRule *) rule, faction);
camel_filter_driver_add_rule (driver, rule->name, fsearch->str, faction->str);
}
g_string_free (fsearch, TRUE);
g_string_free (faction, TRUE);
}
g_object_unref (fc);
return driver;
}
static CamelFilterDriver *
get_filter_driver (CamelSession *session, const char *type, CamelException *ex)
{
return (CamelFilterDriver *) mail_call_main (MAIL_CALL_p_ppp, (MailMainFunc) main_get_filter_driver,
session, type, ex);
}
/* TODO: This is very temporary, until we have a better way to do the progress reporting,
we just borrow a dummy mail-mt thread message and hook it onto out camel thread message */
static mail_msg_op_t ms_thread_ops_dummy = { NULL };
static void *ms_thread_msg_new(CamelSession *session, CamelSessionThreadOps *ops, unsigned int size)
{
CamelSessionThreadMsg *msg = ms_parent_class->thread_msg_new(session, ops, size);
/* We create a dummy mail_msg, and then copy its cancellation port over to ours, so
we get cancellation and progress in common with hte existing mail code, for free */
if (msg) {
struct _mail_msg *m = mail_msg_new(&ms_thread_ops_dummy, NULL, sizeof(struct _mail_msg));
msg->data = m;
camel_operation_unref(msg->op);
msg->op = m->cancel;
camel_operation_ref(msg->op);
}
return msg;
}
static void ms_thread_msg_free(CamelSession *session, CamelSessionThreadMsg *m)
{
mail_msg_free(m->data);
ms_parent_class->thread_msg_free(session, m);
}
static void ms_thread_status(CamelSession *session, CamelSessionThreadMsg *msg, const char *text, int pc)
{
/* This should never be called since we bypass it in alloc! */
printf("Thread status '%s' %d%%\n", text, pc);
}
char *
mail_session_get_password (const char *url_string)
{
CamelURL *url;
char *simple_url;
char *passwd;
url = camel_url_new (url_string, NULL);
simple_url = camel_url_to_string (url, CAMEL_URL_HIDE_PASSWORD | CAMEL_URL_HIDE_PARAMS);
camel_url_free (url);
passwd = e_passwords_get_password ("Mail", simple_url);
g_free (simple_url);
return passwd;
}
void
mail_session_add_password (const char *url_string,
const char *passwd)
{
CamelURL *url;
char *simple_url;
url = camel_url_new (url_string, NULL);
simple_url = camel_url_to_string (url, CAMEL_URL_HIDE_PASSWORD | CAMEL_URL_HIDE_PARAMS);
camel_url_free (url);
e_passwords_add_password (simple_url, passwd);
g_free (simple_url);
}
void
mail_session_remember_password (const char *url_string)
{
CamelURL *url;
char *simple_url;
url = camel_url_new (url_string, NULL);
simple_url = camel_url_to_string (url, CAMEL_URL_HIDE_PASSWORD | CAMEL_URL_HIDE_PARAMS);
camel_url_free (url);
e_passwords_remember_password ("Mail", simple_url);
g_free (simple_url);
}
void
mail_session_forget_password (const char *key)
{
e_passwords_forget_password ("Mail", key);
}
static void
mail_session_check_junk_notify (GConfClient *gconf, guint id, GConfEntry *entry, CamelSession *session)
{
gchar *key;
g_return_if_fail (gconf_entry_get_key (entry) != NULL);
g_return_if_fail (gconf_entry_get_value (entry) != NULL);
key = strrchr (gconf_entry_get_key (entry), '/');
if (key) {
key ++;
if (!strcmp (key, "check_incoming"))
camel_session_set_check_junk (session, gconf_value_get_bool (gconf_entry_get_value (entry)));
}
}
void
mail_session_init (const char *base_directory)
{
char *camel_dir;
GConfClient *gconf;
if (camel_init (base_directory, TRUE) != 0)
exit (0);
camel_provider_init();
session = CAMEL_SESSION (camel_object_new (MAIL_SESSION_TYPE));
e_account_combo_box_set_session (session); /* XXX Don't ask... */
camel_dir = g_strdup_printf ("%s/mail", base_directory);
camel_session_construct (session, camel_dir);
gconf = mail_config_get_gconf_client ();
gconf_client_add_dir (gconf, "/apps/evolution/mail/junk", GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);
camel_session_set_check_junk (session, gconf_client_get_bool (gconf, "/apps/evolution/mail/junk/check_incoming", NULL));
session_check_junk_notify_id = gconf_client_notify_add (gconf, "/apps/evolution/mail/junk",
(GConfClientNotifyFunc) mail_session_check_junk_notify,
session, NULL, NULL);
session->junk_plugin = NULL;
/* The shell will tell us to go online. */
camel_session_set_online ((CamelSession *) session, FALSE);
g_free (camel_dir);
}
gboolean
mail_session_get_interactive (void)
{
return MAIL_SESSION (session)->interactive;
}
void
mail_session_set_interactive (gboolean interactive)
{
MAIL_SESSION (session)->interactive = interactive;
if (!interactive) {
struct _user_message_msg *um;
d(printf ("Gone non-interactive, checking for outstanding interactive tasks\n"));
e_passwords_cancel();
/* flush/cancel pending user messages */
while ((um = (struct _user_message_msg *) e_dlist_remhead (&message_list))) {
d(printf ("Flusing message request: %s\n", um->prompt));
e_msgport_reply((EMsg *) um);
}
/* and the current */
if (message_dialog) {
d(printf("Destroying message dialogue\n"));
gtk_widget_destroy ((GtkWidget *) message_dialog);
}
}
}
void
mail_session_forget_passwords (BonoboUIComponent *uih, void *user_data,
const char *path)
{
e_passwords_forget_passwords ();
}
void
mail_session_flush_filter_log (void)
{
MailSession *ms = (MailSession *) session;
if (ms->filter_logfile)
fflush (ms->filter_logfile);
}
void
mail_session_add_junk_plugin (const char *plugin_name, CamelJunkPlugin *junk_plugin)
{
MailSession *ms = (MailSession *) session;
GConfClient *gconf;
char *def_plugin;
gconf = mail_config_get_gconf_client ();
def_plugin = gconf_client_get_string (gconf, "/apps/evolution/mail/junk/default_plugin", NULL);
ms->junk_plugins = g_list_append(ms->junk_plugins, junk_plugin);
if (def_plugin && plugin_name) {
if (!strcmp(def_plugin, plugin_name)) {
printf("Loading %s as the default junk plugin\n", def_plugin);
session->junk_plugin = junk_plugin;
camel_junk_plugin_init (junk_plugin);
}
}
g_free (def_plugin);
}
const GList *
mail_session_get_junk_plugins (void)
{
MailSession *ms = (MailSession *) session;
return ms->junk_plugins;
}