/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* elm-importer.c
*
* Authors:
* Iain Holmes <iain@ximian.com>
*
* Copyright 2001 Ximian, Inc. (http://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 Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <glib.h>
#include <gnome.h>
#include <bonobo/bonobo-object.h>
#include <bonobo/bonobo-generic-factory.h>
#include <camel/camel-mime-message.h>
#include <camel/camel-mime-part.h>
#include <camel/camel-exception.h>
#include <importer/evolution-intelligent-importer.h>
#include <importer/GNOME_Evolution_Importer.h>
#include "mail-importer.h"
#include "mail-tools.h"
extern char *evolution_dir;
#define ELM_INTELLIGENT_IMPORTER_IID "OAFIID:GNOME_Evolution_Mail_Elm_Intelligent_Importer_Factory"
#define KEY "elm-mail-imported"
/*#define SUPER_IMPORTER_DEBUG*/
#ifdef SUPER_IMPORTER_DEBUG
#define d(x) x
#else
#define d(x)
#endif
typedef struct {
MailImporter importer;
GList *dir_list;
int num;
CamelMimeParser *mp;
BonoboListener *listener;
} ElmImporter;
typedef struct {
char *parent;
char *foldername;
char *path;
} ElmFolder;
static gboolean
elm_is_mbox (const char *filename)
{
char sig[5];
int fd;
fd = open (filename, O_RDONLY);
if (read (fd, sig, 5) != 5) {
close (fd);
return FALSE;
}
close (fd);
if (strncmp (sig, "From ", 5) != 0) {
return FALSE;
}
return TRUE;
}
static gboolean
elm_import_mbox (CamelFolder *folder,
const char *filename)
{
gboolean done = FALSE;
CamelException *ex;
CamelMimeParser *mp;
int fd, n = 0;
fd = open (filename, O_RDONLY);
if (fd == -1) {
g_warning ("Cannot open %s", filename);
return FALSE;
}
camel_object_ref (CAMEL_OBJECT (folder));
camel_folder_freeze (folder);
ex = camel_exception_new ();
mp = camel_mime_parser_new ();
camel_mime_parser_scan_from (mp, TRUE);
if (camel_mime_parser_init_with_fd (mp, fd) == -1) {
g_warning ("Unable to process file %s", filename);
camel_object_unref (CAMEL_OBJECT (mp));
camel_folder_thaw (folder);
camel_object_unref (CAMEL_OBJECT (folder));
return FALSE;
}
while (camel_mime_parser_step (mp, 0, 0) == HSCAN_FROM) {
/* Import the next message */
CamelMimeMessage *msg;
CamelMessageInfo *info;
msg = camel_mime_message_new ();
if (camel_mime_part_construct_from_parser (CAMEL_MIME_PART (msg),
mp) == -1) {
g_warning ("Failed message %d", n);
camel_object_unref (CAMEL_OBJECT (msg));
done = TRUE;
}
info = g_new0 (CamelMessageInfo, 1);
camel_folder_append_message (folder, msg, info, ex);
g_free (info);
camel_object_unref (CAMEL_OBJECT (msg));
if (camel_exception_is_set (ex)) {
g_warning ("Failed message %d", n);
done = TRUE;
}
if (!done) {
n++;
camel_mime_parser_step (mp, 0, 0);
}
}
camel_folder_sync (folder, FALSE, ex);
camel_folder_thaw (folder);
camel_object_unref (CAMEL_OBJECT (folder));
done = TRUE;
camel_exception_free (ex);
return done;
}
static void
elm_import_file (ElmImporter *importer,
const char *path,
const char *fullpath)
{
char *protocol;
CamelException *ex;
CamelFolder *folder;
g_warning ("Importing %s into %s", path, fullpath);
protocol = g_strconcat ("file://", fullpath, NULL);
ex = camel_exception_new ();
folder = mail_tool_uri_to_folder (protocol, ex);
g_free (protocol);
if (camel_exception_is_set (ex)) {
camel_exception_free (ex);
return;
}
camel_exception_free (ex);
if (folder == NULL) {
return;
}
elm_import_mbox (folder, path);
}
static gboolean
is_kmail (const char *maildir)
{
char *names[5] =
{
"inbox",
"outbox",
"sent-mail",
"trash",
"drafts"
};
int i;
for (i = 0; i < 5; i++) {
char *file, *index, *tmp;
file = g_concat_dir_and_file (maildir, names[i]);
tmp = g_strdup_printf (".%s.index", names[i]);
index = g_concat_dir_and_file (maildir, tmp);
g_free (tmp);
if (!g_file_exists (file) ||
!g_file_exists (index)) {
g_free (index);
g_free (file);
return FALSE;
}
g_free (index);
g_free (file);
}
return TRUE;
}
static gboolean
elm_can_import (EvolutionIntelligentImporter *ii,
void *closure)
{
ElmImporter *importer = closure;
FILE *prefs_handle;
char *key, *maildir;
gboolean exists;
/* Already imported */
key = g_strdup_printf ("=%s/config/Mail=/importers/", evolution_dir);
gnome_config_push_prefix (key);
g_free (key);
if (gnome_config_get_bool (KEY) == TRUE) {
gnome_config_pop_prefix ();
return FALSE;
}
gnome_config_pop_prefix ();
/* Elm uses ~/Mail
Alas so does MH and KMail. */
maildir = gnome_util_prepend_user_home ("Mail");
exists = g_file_exists (maildir);
if (exists) {
char *mh, *mhdir;
/* Check for some other files to work out what it is. */
/* MH? */
mh = g_concat_dir_and_file (maildir, "context");
mhdir = g_concat_dir_and_file (maildir, "inbox");
if (g_file_exists (mh) &&
g_file_test (mhdir, G_FILE_TEST_ISDIR)) {
exists = FALSE; /* Probably MH */
}
g_free (mh);
g_free (mhdir);
}
if (exists) {
/* Check for KMail stuff */
exists = !is_kmail (maildir);
}
g_free (maildir);
return exists;
}
static void
scan_dir (ElmImporter *importer,
const char *dirname,
const char *orig_parent)
{
DIR *maildir;
struct stat buf;
struct dirent *current;
maildir = opendir (dirname);
if (maildir == NULL) {
g_warning ("Could not open %s\nopendir returned: %s",
dirname, g_strerror (errno));
return;
}
current = readdir (maildir);
while (current) {
ElmFolder *pf;
char *fullname;
/* Ignore . and .. */
if (current->d_name[0] == '.') {
if (current->d_name[1] == '\0' ||
(current->d_name[1] == '.' && current->d_name[2] == '\0')) {
current = readdir (maildir);
continue;
}
}
fullname = g_concat_dir_and_file (dirname, current->d_name);
if (stat (fullname, &buf) == -1) {
g_warning ("Could not stat %s\nstat returned: %s",
fullname, g_strerror (errno));
current = readdir (maildir);
g_free (fullname);
continue;
}
if (S_ISREG (buf.st_mode)) {
pf = g_new (ElmFolder, 1);
pf->path = g_strdup (fullname);
pf->parent = g_strdup (orig_parent);
pf->foldername = g_strdup (current->d_name);
importer->dir_list = g_list_append (importer->dir_list, pf);
} else if (S_ISDIR (buf.st_mode)) {
char *subdir;
pf = g_new (ElmFolder, 1);
pf->path = NULL;
pf->parent = g_strdup (orig_parent);
pf->foldername = g_strdup (current->d_name);
importer->dir_list = g_list_append (importer->dir_list, pf);
subdir = g_concat_dir_and_file (orig_parent, current->d_name);
scan_dir (importer, fullname, subdir);
g_free (subdir);
}
g_free (fullname);
current = readdir (maildir);
}
}
static void
folder_created_cb (BonoboListener *listener,
const char *event_name,
const BonoboArg *event_data,
CORBA_Environment *ev,
ElmImporter *importer)
{
ElmFolder *folder;
GList *l;
GNOME_Evolution_Storage_FolderResult *result;
char *fullpath;
if (strcmp (event_name, "evolution-shell:folder_created") != 0) {
return; /* Unknown event notification */
}
result = event_data->_value;
fullpath = result->path;
l = importer->dir_list;
importer->dir_list = g_list_remove_link (importer->dir_list, l);
folder = l->data;
g_list_free_1 (l);
/* We got the folder, so try to import the file into it. */
if (folder->path != NULL && elm_is_mbox (folder->path)) {
elm_import_file (importer, folder->path, fullpath);
}
g_free (folder->path);
g_free (folder->parent);
g_free (folder->foldername);
g_free (folder);
if (importer->dir_list) {
/* Do the next in the list */
folder = importer->dir_list->data;
mail_importer_create_folder (folder->parent, folder->foldername,
NULL, importer->listener);
}
}
static void
elm_create_structure (EvolutionIntelligentImporter *ii,
void *closure)
{
ElmFolder *folder;
ElmImporter *importer = closure;
char *maildir, *key;
maildir = gnome_util_prepend_user_home ("Mail");
scan_dir (importer, maildir, "/");
g_free (maildir);
if (importer->dir_list == NULL)
return;
folder = importer->dir_list->data;
mail_importer_create_folder (folder->parent, folder->foldername, NULL,
importer->listener);
key = g_strdup_printf ("=%s/config/Mail=/importers/", evolution_dir);
gnome_config_push_prefix (key);
g_free (key);
gnome_config_set_bool (KEY, TRUE);
gnome_config_pop_prefix ();
gnome_config_sync ();
gnome_config_drop_all ();
}
static BonoboObject *
elm_factory_fn (BonoboGenericFactory *_factory,
void *closure)
{
EvolutionIntelligentImporter *importer;
ElmImporter *elm;
char *message = N_("Evolution has found Elm mail files.\n"
"Would you like to import them into Evolution?");
elm = g_new0 (ElmImporter, 1);
elm->listener = bonobo_listener_new (NULL, NULL);
gtk_signal_connect (GTK_OBJECT (elm->listener), "event_notify",
GTK_SIGNAL_FUNC (folder_created_cb), elm);
importer = evolution_intelligent_importer_new (elm_can_import,
elm_create_structure,
_("Elm mail"),
_(message), elm);
return BONOBO_OBJECT (importer);
}
/* Entry point */
void
mail_importer_module_init (void)
{
static gboolean initialised = FALSE;
BonoboGenericFactory *factory;
if (initialised == TRUE)
return;
factory = bonobo_generic_factory_new (ELM_INTELLIGENT_IMPORTER_IID,
elm_factory_fn, NULL);
if (factory == NULL)
g_warning ("Could not initialise Elm Intelligent Mail Importer.");
initialised = TRUE;
}
