/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* mail-session.c: handles the session information and resource manipulation */
/*
* Authors: Miguel de Icaza <miguel@gnu.org>
*
* Copyright 2001 Ximian, Inc. (www.ximian.com)
*
* 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., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#include <config.h>
#include <gnome.h>
#include <stdlib.h>
#include "mail.h"
#include "mail-session.h"
#include "mail-mt.h"
CamelSession *session;
static GHashTable *passwords;
static gboolean interaction_enabled;
static void
request_callback (gchar *string, gpointer data)
{
char **ans = data;
if (string)
*ans = g_strdup(string);
else
*ans = NULL;
}
char *
mail_session_request_dialog (const char *prompt, gboolean secret, const char *key,
gboolean async)
{
GtkWidget *dialog;
char *ans;
if (!passwords)
passwords = g_hash_table_new (g_str_hash, g_str_equal);
ans = g_hash_table_lookup (passwords, key);
if (ans)
return g_strdup (ans);
if (!interaction_enabled)
return NULL;
if (!async) {
dialog = gnome_request_dialog (secret, prompt, NULL, 0,
request_callback, &ans, NULL);
if (!dialog)
return NULL;
if (gnome_dialog_run_and_close (GNOME_DIALOG (dialog)) == -1 ||
ans == NULL)
return NULL;
} else {
if ((ans = mail_get_password (prompt, secret)) == NULL)
return NULL;
}
g_hash_table_insert (passwords, g_strdup (key), g_strdup (ans));
return ans;
}
gboolean
mail_session_accept_dialog (const char *prompt, const char *key, gboolean async)
{
GtkWidget *dialog;
GtkWidget *label;
if (!interaction_enabled)
return FALSE;
if (!async) {
dialog = gnome_dialog_new (_("Do you accept?"),
GNOME_STOCK_BUTTON_YES,
GNOME_STOCK_BUTTON_NO,
NULL);
gnome_dialog_set_default (GNOME_DIALOG (dialog), 1);
gtk_window_set_policy (GTK_WINDOW (dialog), TRUE, TRUE, TRUE);
label = gtk_label_new (prompt);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dialog)->vbox), label,
TRUE, TRUE, 0);
gtk_widget_show (label);
if (gnome_dialog_run_and_close (GNOME_DIALOG (dialog)) == 0)
return TRUE;
else
return FALSE;
} else {
return mail_get_accept (prompt);
}
}
static gpointer
auth_callback (CamelAuthCallbackMode mode, char *data, gboolean secret,
CamelService *service, char *item, CamelException *ex)
{
char *key, *ans, *url;
gboolean accept;
url = camel_url_to_string (service->url, CAMEL_URL_HIDE_PASSWORD | CAMEL_URL_HIDE_PARAMS);
key = g_strdup_printf ("%s:%s", url, item);
g_free (url);
switch (mode) {
case CAMEL_AUTHENTICATOR_TELL:
if (!data) {
g_hash_table_remove (passwords, key);
g_free (key);
} else {
gpointer old_key, old_data;
if (g_hash_table_lookup_extended (passwords, key,
&old_key,
&old_data)) {
g_hash_table_insert (passwords, old_key, data);
g_free (old_data);
g_free (key);
} else
g_hash_table_insert (passwords, key, data);
}
return NULL;
break;
case CAMEL_AUTHENTICATOR_ASK:
ans = mail_session_request_dialog (data, secret, key, TRUE);
g_free (key);
if (!ans) {
camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL,
"User canceled operation.");
}
return ans;
break;
case CAMEL_AUTHENTICATOR_ACCEPT:
accept = mail_session_accept_dialog (data, key, TRUE);
g_free (key);
return GINT_TO_POINTER (accept);
break;
}
return NULL;
}
static char *
decode_base64 (char *base64)
{
char *plain, *pad = "==";
int len, out, state, save;
len = strlen (base64);
plain = g_malloc0 (len);
state = save = 0;
out = base64_decode_step (base64, len, plain, &state, &save);
if (len % 4) {
base64_decode_step (pad, 4 - len % 4, plain + out,
&state, &save);
}
return plain;
}
static void
maybe_remember_password (gpointer key, gpointer password, gpointer url)
{
char *path, *key64, *pass64;
int len, state, save;
len = strlen (url);
if (strncmp (key, url, len) != 0)
return;
len = strlen (key);
key64 = g_malloc0 ((len + 2) * 4 / 3 + 1);
state = save = 0;
base64_encode_close (key, len, FALSE, key64, &state, &save);
path = g_strdup_printf ("/Evolution/Passwords/%s", key64);
g_free (key64);
len = strlen (password);
pass64 = g_malloc0 ((len + 2) * 4 / 3 + 1);
state = save = 0;
base64_encode_close (password, len, FALSE, pass64, &state, &save);
gnome_config_private_set_string (path, pass64);
g_free (path);
g_free (pass64);
}
void
mail_session_remember_password (const char *url)
{
g_hash_table_foreach (passwords, maybe_remember_password, (void *) url);
}
void
mail_session_forget_password (const char *key)
{
gpointer okey, value;
if (g_hash_table_lookup_extended (passwords, key, &okey, &value)) {
g_hash_table_remove (passwords, key);
g_free (okey);
g_free (value);
}
}
/* ******************** */
struct _timeout_data {
CamelTimeoutCallback cb;
gpointer camel_data;
gboolean result;
};
struct _timeout_msg {
struct _mail_msg msg;
CamelTimeoutCallback cb;
gpointer camel_data;
};
static void timeout_timeout(struct _mail_msg *mm)
{
struct _timeout_msg *m = (struct _timeout_msg *)mm;
/* we ignore the callback result, do we care?? no. */
m->cb(m->camel_data);
}
static struct _mail_msg_op timeout_op = {
NULL,
timeout_timeout,
NULL,
NULL,
};
static gboolean
camel_timeout (gpointer data)
{
struct _timeout_data *td = data;
struct _timeout_msg *m;
m = mail_msg_new(&timeout_op, NULL, sizeof(*m));
m->cb = td->cb;
m->camel_data = td->camel_data;
e_thread_put(mail_thread_queued, (EMsg *)m);
return TRUE;
}
static guint
register_callback (guint32 interval, CamelTimeoutCallback cb, gpointer camel_data)
{
struct _timeout_data *td;
/* We do this because otherwise the timeout can get called
* more often than the dispatch thread can get rid of it,
* leading to timeout calls piling up, and we don't have a
* good way to watch the return values. It's not cool.
*/
g_return_val_if_fail (interval > 1000, 0);
td = g_malloc(sizeof(*td));
td->result = TRUE;
td->cb = cb;
td->camel_data = camel_data;
return gtk_timeout_add_full(interval, camel_timeout, NULL, td, g_free);
}
static gboolean
remove_callback (guint handle)
{
gtk_timeout_remove (handle);
return TRUE;
}
/* ******************** */
void
mail_session_init (void)
{
char *camel_dir, *key, *value;
void *iter;
if (camel_init (evolution_dir, TRUE) != 0)
exit (0);
camel_dir = g_strdup_printf ("%s/mail", evolution_dir);
session = camel_session_new (camel_dir, auth_callback,
register_callback, remove_callback);
g_free (camel_dir);
passwords = g_hash_table_new (g_str_hash, g_str_equal);
iter = gnome_config_private_init_iterator ("/Evolution/Passwords");
if (iter) {
while (gnome_config_iterator_next (iter, &key, &value)) {
g_hash_table_insert (passwords, decode_base64 (key),
decode_base64 (value));
g_free (key);
g_free (value);
}
}
}
void
mail_session_enable_interaction (gboolean enable)
{
interaction_enabled = enable;
}
static gboolean
free_entry (gpointer key, gpointer value, gpointer user_data)
{
g_free (key);
memset (value, 0, strlen (value));
g_free (value);
return TRUE;
}
void
mail_session_forget_passwords (BonoboUIComponent *uih, void *user_data,
const char *path)
{
g_hash_table_foreach_remove (passwords, free_entry, NULL);
gnome_config_private_clean_section ("/Evolution/Passwords");
gnome_config_sync ();
}
void
mail_session_set_password (const char *url, const char *password)
{
g_hash_table_insert (passwords, g_strdup (url), g_strdup (password));
}
