From d4b3c14fcd52e273d549e20ae84ead8cf1f75d8d Mon Sep 17 00:00:00 2001 From: Dan Winship Date: Fri, 27 Apr 2001 21:08:51 +0000 Subject: Renamed from session.c and made to be a subclass of CamelSession. * mail-session.c: Renamed from session.c and made to be a subclass of CamelSession. * mail-mt.c (mail_user_message): Renamed from mail_get_accept and made more general-purpose, to implement the new camel_session_alert_user. svn path=/trunk/; revision=9618 --- mail/mail-session.c | 405 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 405 insertions(+) create mode 100644 mail/mail-session.c (limited to 'mail/mail-session.c') diff --git a/mail/mail-session.c b/mail/mail-session.c new file mode 100644 index 0000000000..ea56f67394 --- /dev/null +++ b/mail/mail-session.c @@ -0,0 +1,405 @@ +/* -*- 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 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. + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include "mail.h" +#include "mail-session.h" +#include "mail-mt.h" + +CamelSession *session; + + +#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; + + GHashTable *passwords; + gboolean interaction_enabled; +} MailSession; + +typedef struct _MailSessionClass { + CamelSessionClass parent_class; + +} MailSessionClass; + + +static char *get_password (CamelSession *session, const char *prompt, + gboolean secret, CamelService *service, + const char *item, CamelException *ex); +static void forget_password (CamelSession *session, CamelService *service, + const char *item, CamelException *ex); +static gboolean alert_user (CamelSession *session, CamelSessionAlertType type, + const char *prompt, gboolean cancel); +static guint register_timeout (CamelSession *session, guint32 interval, + CamelTimeoutCallback cb, gpointer camel_data); +static gboolean remove_timeout (CamelSession *session, guint handle); + + +static char *decode_base64 (char *base64); + +static void +init (MailSession *session) +{ + char *key, *value; + void *iter; + + session->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 (session->passwords, + decode_base64 (key), + decode_base64 (value)); + g_free (key); + g_free (value); + } + } +} + +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->register_timeout = register_timeout; + camel_session_class->remove_timeout = remove_timeout; +} + +CamelType +mail_session_get_type (void) +{ + static CamelType mail_session_type = CAMEL_INVALID_TYPE; + + if (mail_session_type == CAMEL_INVALID_TYPE) { + mail_session_type = camel_type_register ( + camel_session_get_type (), "MailSession", + sizeof (MailSession), + sizeof (MailSessionClass), + (CamelObjectClassInitFunc) class_init, + NULL, + (CamelObjectInitFunc) init, + NULL); + } + + return mail_session_type; +} + + +static char * +make_key (CamelService *service, const char *item) +{ + char *key, *url; + + if (service) { + 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); + } else + key = g_strdup (item); + + return key; +} + +static char * +get_password (CamelSession *session, const char *prompt, gboolean secret, + CamelService *service, const char *item, CamelException *ex) +{ + MailSession *mail_session = MAIL_SESSION (session); + char *key, *ans; + + key = make_key (service, item); + + ans = g_hash_table_lookup (mail_session->passwords, key); + if (ans) { + g_free (key); + return g_strdup (ans); + } + + if (!mail_session->interaction_enabled || + !(ans = mail_get_password (prompt, secret))) { + g_free (key); + camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, + _("User canceled operation.")); + return NULL; + } + + g_hash_table_insert (mail_session->passwords, key, g_strdup (ans)); + return ans; +} + +static void +forget_password (CamelSession *session, CamelService *service, + const char *item, CamelException *ex) +{ + MailSession *mail_session = MAIL_SESSION (session); + char *key = make_key (service, item); + gpointer old_key, old_data; + + if (!g_hash_table_lookup_extended (mail_session->passwords, key, + &old_key, &old_data)) + return; + + g_hash_table_remove (mail_session->passwords, key); + g_free (old_data); + g_free (old_key); +} + +static gboolean +alert_user (CamelSession *session, CamelSessionAlertType type, + const char *prompt, gboolean cancel) +{ + MailSession *mail_session = MAIL_SESSION (session); + const char *message_type; + + if (!mail_session->interaction_enabled) + return FALSE; + + switch (type) { + case CAMEL_SESSION_ALERT_INFO: + message_type = GNOME_MESSAGE_BOX_INFO; + break; + case CAMEL_SESSION_ALERT_WARNING: + message_type = GNOME_MESSAGE_BOX_WARNING; + break; + case CAMEL_SESSION_ALERT_ERROR: + message_type = GNOME_MESSAGE_BOX_ERROR; + break; + } + return mail_user_message (message_type, prompt, cancel); +} + +/* ******************** */ + +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_timeout (CamelSession *session, 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_timeout (CamelSession *session, guint handle) +{ + gtk_timeout_remove (handle); + return TRUE; +} + + +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_string) +{ + GHashTable *passwords = MAIL_SESSION (session)->passwords; + 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); + + g_hash_table_foreach (passwords, maybe_remember_password, simple_url); + g_free (simple_url); +} + +void +mail_session_forget_password (const char *key) +{ + GHashTable *passwords = MAIL_SESSION (session)->passwords; + 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); + } +} + +void +mail_session_init (void) +{ + char *camel_dir; + + if (camel_init (evolution_dir, TRUE) != 0) + exit (0); + + session = CAMEL_SESSION (camel_object_new (MAIL_SESSION_TYPE)); + + camel_dir = g_strdup_printf ("%s/mail", evolution_dir); + camel_session_construct (session, camel_dir); + g_free (camel_dir); +} + +void +mail_session_enable_interaction (gboolean enable) +{ + MAIL_SESSION (session)->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) +{ + GHashTable *passwords = MAIL_SESSION (session)->passwords; + + 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) +{ + GHashTable *passwords = MAIL_SESSION (session)->passwords; + + g_hash_table_insert (passwords, g_strdup (url), g_strdup (password)); +} + -- cgit v1.2.3