aboutsummaryrefslogtreecommitdiffstats
path: root/plugins/backup-restore/backup.c
blob: 47d439c7ae1fb1bb227d02c2f88cc446a160fa45 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
/*
 *
 * This program 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 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */
 
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <glib/gi18n.h>
#include <gtk/gtk.h>

#include <libebook/e-book.h>
#include <libecal/e-cal.h>
#include <libedataserver/e-account.h>
#include <libedataserver/e-account-list.h>
#include "e-util/e-util.h"

#define EVOLUTION "evolution"
#define EVOLUTION_DIR "$HOME/.evolution/"
#define EVOLUTION_DIR_BACKUP "$HOME/.evolution-old/"
#define GCONF_DUMP_FILE "backup-restore-gconf.xml"
#define GCONF_DUMP_PATH EVOLUTION_DIR GCONF_DUMP_FILE
#define GCONF_DIR "/apps/evolution"
#define ARCHIVE_NAME "evolution-backup.tar.gz"

static gboolean backup_op = FALSE;
static char *bk_file = NULL;
static gboolean restore_op = FALSE;
static char *res_file = NULL;
static gboolean check_op = FALSE;
static char *chk_file = NULL;
static gboolean restart_arg = FALSE;
static gboolean gui_arg = FALSE;
static gchar **opt_remaining = NULL;
static int result=0;
static GtkWidget *progress_dialog;
static GtkWidget *pbar;
static char *txt = NULL;
gboolean complete = FALSE;

static const GOptionEntry options[] = {
    { "backup", '\0', 0, G_OPTION_ARG_NONE, &backup_op,
      N_("Backup Evolution directory"), NULL },
    { "restore", '\0', 0, G_OPTION_ARG_NONE, &restore_op,
      N_("Restore Evolution directory"), NULL },
    { "check", '\0', 0, G_OPTION_ARG_NONE, &check_op,
      N_("Check Evolution Backup"), NULL },
    { "restart", '\0', 0, G_OPTION_ARG_NONE, &restart_arg,
      N_("Restart Evolution"), NULL },
    { "gui", '\0', 0, G_OPTION_ARG_NONE, &gui_arg,
      N_("With Graphical User Interface"), NULL },
    { G_OPTION_REMAINING, '\0', 0,
      G_OPTION_ARG_STRING_ARRAY, &opt_remaining },
    { NULL }
};

#define d(x)

#define rc(x) G_STMT_START { g_message (x); system (x); } G_STMT_END

#define CANCEL(x) if (x) return;

static void
s (const char *cmd)
{
    if (!cmd)
        return;

    if (strstr (cmd, "$HOME") != NULL) {
        /* read the doc for g_get_home_dir to know why replacing it here */
        const char *home = g_get_home_dir ();
        const char *p, *next;
        GString *str = g_string_new ("");

        p = cmd;
        while (next = strstr (p, "$HOME"), next) {
            if (p + 1 < next)
                g_string_append_len (str, p, next - p);
            g_string_append (str, home);

            p = next + 5;
        }

        g_string_append (str, p);

        rc (str->str);
        g_string_free (str, TRUE);
    } else
        rc (cmd);
}

static void
backup (const char *filename)
{
    char *command;
    char *quotedfname;

    g_return_if_fail (filename && *filename);
    quotedfname = g_shell_quote(filename);
    
    CANCEL (complete);
    txt = _("Shutting down Evolution");
    /* FIXME Will the versioned setting always work? */
    s (EVOLUTION " --force-shutdown");

    s ("rm $HOME/.evolution/.running");

    CANCEL (complete);
    txt = _("Backing Evolution accounts and settings");
    s ("gconftool-2 --dump " GCONF_DIR " > " GCONF_DUMP_PATH);

    CANCEL (complete);
    txt = _("Backing Evolution data (Mails, Contacts, Calendar, Tasks, Memos)");

    /* FIXME stay on this file system ,other options?" */
    /* FIXME compression type?" */
    /* FIXME date/time stamp?" */
    /* FIXME backup location?" */
    command = g_strdup_printf ("cd $HOME && tar chf - .evolution .camel_certs | gzip > %s", quotedfname);
    s (command);
    g_free (command);
    g_free (quotedfname);

    txt = _("Backup complete");

    if (restart_arg) {

        CANCEL (complete);
        txt = _("Restarting Evolution");
        complete=TRUE;

        s (EVOLUTION);
    }

}

static void
ensure_locals (ESourceList *source_list, const char *base_dir)
{
    GSList *groups, *sources;

    if (!source_list)
        return;

    for (groups = e_source_list_peek_groups (source_list); groups; groups = groups->next) {
        char *base_filename, *base_uri;
        ESourceGroup *group = E_SOURCE_GROUP (groups->data);

        if (!group || !e_source_group_peek_base_uri (group) || !g_str_has_prefix (e_source_group_peek_base_uri (group), "file://"))
            continue;

        base_filename = g_build_filename (base_dir, "local", NULL);
        base_uri = g_filename_to_uri (base_filename, NULL, NULL);

        if (base_uri && !g_str_equal (base_uri, e_source_group_peek_base_uri (group))) {
            /* groups base_uri differs from the new one, maybe users imports
               to the account with different user name, thus fixing this */
            e_source_group_set_base_uri (group, base_uri);
        }

        for (sources = e_source_group_peek_sources (group); sources; sources = sources->next) {
            ESource *source = E_SOURCE (sources->data);

            if (!source || !e_source_peek_absolute_uri (source))
                continue;

            if (!g_str_has_prefix (e_source_peek_absolute_uri (source), base_uri)) {
                char *abs_uri = e_source_build_absolute_uri (source);

                e_source_set_absolute_uri (source, abs_uri);
                g_free (abs_uri);
            }
        }

        g_free (base_filename);
        g_free (base_uri);
    }
}

/* returns whether changed the item */
static gboolean
fix_account_folder_uri (EAccount *account, e_account_item_t item, const char *base_dir)
{
    gboolean changed = FALSE;
    const char *uri;

    /* the base_dir should always contain that part, so just a sanity check */
    if (!account || !base_dir || strstr (base_dir, "/.evolution/mail/local") == NULL)
        return FALSE;

    uri = e_account_get_string (account, item);
    if (uri && strstr (uri, "/.evolution/mail/local") != NULL) {
        const char *path = strchr (uri, ':') + 1;

        if (!g_str_has_prefix (path, base_dir)) {
            GString *new_uri = g_string_new ("");

            /* prefix, like "mbox:" */
            g_string_append_len (new_uri, uri, path - uri);
            /* middle, changing old patch with new path  */
            g_string_append_len (new_uri, base_dir, strstr (base_dir, "/.evolution/mail/local") - base_dir);
            /* sufix, the rest beginning with "/.evolution/..." */
            g_string_append (new_uri, strstr (uri, "/.evolution/mail/local"));

            changed = TRUE;
            e_account_set_string (account, item, new_uri->str);
            g_string_free (new_uri, TRUE);
        }
    }

    return changed;
}

static void
restore (const char *filename)
{
    struct _calendars { ECalSourceType type; const char *dir; } 
        calendars[] = {
            { E_CAL_SOURCE_TYPE_EVENT,   "calendar"},
            { E_CAL_SOURCE_TYPE_TODO,    "tasks"},
            { E_CAL_SOURCE_TYPE_JOURNAL, "memos"},
            { E_CAL_SOURCE_TYPE_LAST,    NULL} };
    int i;
    char *command;
    char *quotedfname;
    ESourceList *sources = NULL;
    EAccountList *accounts;
    GConfClient *gconf;
    
    g_return_if_fail (filename && *filename);
    quotedfname = g_shell_quote(filename);
    
    /* FIXME Will the versioned setting always work? */
    CANCEL (complete);
    txt = _("Shutting down Evolution");
    s (EVOLUTION " --force-shutdown");

    CANCEL (complete);
    txt = _("Backup current Evolution data");
    s ("mv " EVOLUTION_DIR " " EVOLUTION_DIR_BACKUP);
    s ("mv $HOME/.camel_certs ~/.camel_certs_old");

    CANCEL (complete);
    txt = _("Extracting files from backup");
    command = g_strdup_printf ("cd $HOME && gzip -cd %s| tar xf -", quotedfname);
    s (command);
    g_free (command);
    g_free (quotedfname);

    CANCEL (complete);
    txt = _("Loading Evolution settings");
    s ("gconftool-2 --load " GCONF_DUMP_PATH);

    CANCEL (complete);
    txt = _("Removing temporary backup files");
    s ("rm -rf " GCONF_DUMP_PATH);
    s ("rm -rf " EVOLUTION_DIR_BACKUP);
    s ("rm -rf $HOME/.camel_certs_old");
    s ("rm $HOME/.evolution/.running");

    CANCEL (complete);
    txt = _("Ensuring local sources");

    if (e_book_get_addressbooks (&sources, NULL)) {
        char *base_dir = g_build_filename (e_get_user_data_dir (), "addressbook", NULL);

        ensure_locals (sources, base_dir);
        g_object_unref (sources);
        sources = NULL;

        g_free (base_dir);
    }

    for (i = 0; calendars[i].dir; i++) {
        if (e_cal_get_sources (&sources, calendars [i].type, NULL)) {
            char *base_dir = g_build_filename (e_get_user_data_dir (), calendars [i].dir, NULL);

            ensure_locals (sources, base_dir);
            g_object_unref (sources);
            sources = NULL;

            g_free (base_dir);
        }
    }

    gconf = gconf_client_get_default ();
    accounts = e_account_list_new (gconf);

    if (accounts) {
        gboolean changed = FALSE;
        char *base_dir = g_build_filename (e_get_user_data_dir (), "mail", "local", NULL);
        EIterator *it;

        for (it = e_list_get_iterator (E_LIST (accounts)); e_iterator_is_valid (it); e_iterator_next (it)) {
            /* why does this return a 'const' object?!? */
            EAccount *account = (EAccount *) e_iterator_get (it);

            if (account) {
                changed = fix_account_folder_uri (account, E_ACCOUNT_DRAFTS_FOLDER_URI, base_dir) || changed;
                changed = fix_account_folder_uri (account, E_ACCOUNT_SENT_FOLDER_URI, base_dir) || changed;
            }
        }

        if (changed)
            e_account_list_save (accounts);

        g_object_unref (it);
        g_object_unref (accounts);
        g_free (base_dir);
    }

    g_object_unref (gconf);

    if (restart_arg) {
        CANCEL (complete);
        txt = _("Restarting Evolution");
        complete=TRUE;
        s (EVOLUTION);
    }

}

static void
check (const char *filename)
{
    char *command;
    char *quotedfname;

    g_return_if_fail (filename && *filename);
    quotedfname = g_shell_quote(filename);
    
    command = g_strdup_printf ("tar ztf %s | grep -e \"^\\.evolution/$\"", quotedfname);
    result = system (command);
    g_free (command);

    g_message ("First result %d", result);
    if (result)
        exit (result);

    command = g_strdup_printf ("tar ztf %s | grep -e \"^\\.evolution/%s$\"", quotedfname, GCONF_DUMP_FILE);
    result = system (command);
    g_free (command);
    g_free (quotedfname);
    
    g_message ("Second result %d", result);

}

static gboolean
pbar_update()
{
    if (!complete) {
         gtk_progress_bar_pulse ((GtkProgressBar *)pbar);
         gtk_progress_bar_set_text ((GtkProgressBar *)pbar, txt);
        return TRUE;
    }

    gtk_main_quit ();
    return FALSE;
}

static gpointer
thread_start (gpointer data)
{
    if (backup_op)
        backup (bk_file);
    else if (restore_op)
        restore (res_file);
    else if (check_op)
        check (chk_file);

    complete = TRUE;

    return GINT_TO_POINTER(result);
}

static gboolean
idle_cb(gpointer data)
{
    GThread *t;

    if (gui_arg) {
        /* Show progress dialog */
         gtk_progress_bar_pulse ((GtkProgressBar *)pbar);
        g_timeout_add (50, pbar_update, NULL);
    }

    t = g_thread_create (thread_start, NULL, FALSE, NULL);

    return FALSE;
}

static void
dlg_response (GtkWidget *dlg, gint response, gpointer data)
{
    /* We will cancel only backup/restore operations and not the check operation */
    complete = TRUE;

    /* If the response is not of delete_event then destroy the event */
    if (response != GTK_RESPONSE_NONE)
        gtk_widget_destroy (dlg);

    /* We will kill just the tar operation. Rest of the them will be just a second of microseconds.*/
    s ("pkill tar");

    gtk_main_quit ();
}

int
main (int argc, char **argv)
{
    char *file = NULL, *oper = NULL;
    gint i;
    GError *error = NULL;

    bindtextdomain (GETTEXT_PACKAGE, EVOLUTION_LOCALEDIR);
    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
    textdomain (GETTEXT_PACKAGE);

    g_thread_init (NULL);

    gtk_init_with_args (
        &argc, &argv, NULL, options, GETTEXT_PACKAGE, &error);
    if (error != NULL) {
        g_printerr ("%s\n", error->message);
        exit (1);
    }

    if (opt_remaining) {
        for (i = 0; i < g_strv_length (opt_remaining); i++) {
            if (backup_op) {
                oper = _("Backing up to the folder %s");
                d(g_message ("Backing up to the folder %s", (char *) opt_remaining[i]));
                bk_file = g_strdup ((char *) opt_remaining[i]);
                file = bk_file;
            } else if (restore_op) {
                oper = _("Restoring from the folder %s");
                d(g_message ("Restoring from the folder %s", (char *) opt_remaining[i]));
                res_file = g_strdup ((char *) opt_remaining[i]);
                file = res_file;
            } else if (check_op) {
                d(g_message ("Checking %s", (char *) opt_remaining[i]));
                chk_file = g_strdup ((char *) opt_remaining[i]);
            }
        }
    }

    if (gui_arg && !check_op) {
        GtkWidget *widget, *container;
        char *str = NULL, *txt;
        const char *txt2;

        gtk_window_set_default_icon_name ("evolution");

        /* Backup / Restore only can have GUI. We should restrict the rest */
        progress_dialog = gtk_dialog_new_with_buttons (backup_op ? _("Evolution Backup"): _("Evolution Restore"),
                                                      NULL,
                                                      GTK_DIALOG_MODAL,
                                                      GTK_STOCK_CANCEL,
                                                      GTK_RESPONSE_REJECT,
                                                      NULL);

        gtk_dialog_set_has_separator (GTK_DIALOG (progress_dialog), FALSE);
        gtk_container_set_border_width (GTK_CONTAINER (progress_dialog), 12);

        /* Override GtkDialog defaults */
        widget = GTK_DIALOG (progress_dialog)->vbox;
        gtk_box_set_spacing (GTK_BOX (widget), 12);
        gtk_container_set_border_width (GTK_CONTAINER (widget), 0);
        widget = GTK_DIALOG (progress_dialog)->action_area;
        gtk_box_set_spacing (GTK_BOX (widget), 12);
        gtk_container_set_border_width (GTK_CONTAINER (widget), 0);

        if (oper && file)
            str = g_strdup_printf(oper, file);

        container = gtk_table_new (2, 3, FALSE);
        gtk_table_set_col_spacings (GTK_TABLE (container), 12);
        gtk_table_set_row_spacings (GTK_TABLE (container), 12);
        gtk_widget_show (container);

        gtk_box_pack_start (GTK_BOX (GTK_DIALOG (progress_dialog)->vbox), container, FALSE, TRUE, 0);

        widget = gtk_image_new_from_stock (GTK_STOCK_COPY, GTK_ICON_SIZE_DIALOG);
        gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.0);
        gtk_widget_show (widget);

        gtk_table_attach (GTK_TABLE (container), widget, 0, 1, 0, 3, GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

        if (backup_op) {
            txt = _("Backing up Evolution Data");
            txt2 = _("Please wait while Evolution is backing up your data.");
        } else if (restore_op) {
            txt = _("Restoring Evolution Data");
            txt2 = _("Please wait while Evolution is restoring your data.");
        } else {
            /* do not translate these two, it's just a fallback when something goes wrong,
               we should never get here anyway. */
            txt = "Oops, doing nothing...";
            txt2 = "Should not be here now, really...";
        }

        txt = g_strconcat ("<b><big>", txt, "</big></b>", NULL);
        widget = gtk_label_new (NULL);
        gtk_label_set_line_wrap (GTK_LABEL (widget), FALSE);
        gtk_label_set_markup (GTK_LABEL (widget), txt);
        gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.0);
        gtk_widget_show (widget);
        g_free (txt);

        gtk_table_attach (GTK_TABLE (container), widget, 1, 2, 0, 1, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);

        txt = g_strconcat (txt2, " ", _("This may take a while depending on the amount of data in your account."), NULL);
        widget = gtk_label_new (NULL);
        gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
        gtk_label_set_markup (GTK_LABEL (widget), txt);
        gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
        gtk_widget_show (widget);
        g_free (txt);

        gtk_table_attach (GTK_TABLE (container), widget, 1, 2, 1, 2, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);

        pbar = gtk_progress_bar_new ();

        if (str) {
            txt = g_strconcat ("<i>", str, "</i>", NULL);
            widget = gtk_label_new (NULL);
            gtk_label_set_markup (GTK_LABEL (widget), txt);
            gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
            g_free (txt);
            g_free (str);
            gtk_table_attach (GTK_TABLE (container), widget, 1, 2, 2, 3, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
            gtk_table_set_row_spacing (GTK_TABLE (container), 2, 6);

            gtk_table_attach (GTK_TABLE (container), pbar, 1, 2, 3, 4, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
        } else
            gtk_table_attach (GTK_TABLE (container), pbar, 1, 2, 2, 3, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);

        gtk_window_set_default_size ((GtkWindow *) progress_dialog, 450, 120);
        g_signal_connect (progress_dialog, "response", G_CALLBACK(dlg_response), NULL);
        gtk_widget_show_all (progress_dialog);
    } else if (check_op) {
         /* For sanity we don't need gui */
         check (chk_file);
         exit (result);
    }

    g_idle_add (idle_cb, NULL);
    gtk_main ();

    return result;
}