1 /*
2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
4 *
5 * Author: John Ellis
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 #ifdef HAVE_CONFIG_H
23 # include "config.h"
24 #endif
25
26 #include <pwd.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <unistd.h>
31 #include <sys/param.h>
32 #include <dirent.h>
33 #include <utime.h>
34
35 #include <glib.h>
36 #include <gtk/gtk.h> /* for locale warning dialog */
37
38 #include "main.h"
39 #include "ui_fileops.h"
40
41 #include "ui_utildlg.h" /* for locale warning dialog */
42 #include "md5-util.h"
43
44 #include "filefilter.h"
45 #include "layout.h"
46 #include "utilops.h"
47 #include "secure_save.h"
48
49 /*
50 *-----------------------------------------------------------------------------
51 * generic file information and manipulation routines (public)
52 *-----------------------------------------------------------------------------
53 */
54
55
56
print_term(gboolean err,const gchar * text_utf8)57 void print_term(gboolean err, const gchar *text_utf8)
58 {
59 gchar *text_l;
60
61 text_l = g_locale_from_utf8(text_utf8, -1, NULL, NULL, NULL);
62 if (err)
63 {
64 fputs((text_l) ? text_l : text_utf8, stderr);
65 }
66 else
67 {
68 fputs((text_l) ? text_l : text_utf8, stdout);
69 }
70 if(command_line && command_line->ssi)
71 secure_fputs(command_line->ssi, (text_l) ? text_l : text_utf8);
72 g_free(text_l);
73 }
74
encoding_dialog(const gchar * path)75 static void encoding_dialog(const gchar *path)
76 {
77 static gboolean warned_user = FALSE;
78 GenericDialog *gd;
79 GString *string;
80 const gchar *lc;
81 const gchar *bf;
82
83 if (warned_user) return;
84 warned_user = TRUE;
85
86 lc = getenv("LANG");
87 bf = getenv("G_BROKEN_FILENAMES");
88
89 string = g_string_new("");
90 g_string_append(string, _("One or more filenames are not encoded with the preferred locale character set.\n"));
91 g_string_append_printf(string, _("Operations on, and display of these files with %s may not succeed.\n"), PACKAGE);
92 g_string_append(string, "\n");
93 g_string_append(string, _("If your filenames are not encoded in utf-8, try setting the environment variable G_BROKEN_FILENAMES=1\n"));
94 if (bf)
95 g_string_append_printf(string, _("It appears G_BROKEN_FILENAMES is set to %s\n"), bf);
96 else
97 g_string_append(string, _("It appears G_BROKEN_FILENAMES is not set\n"));
98 g_string_append(string, "\n");
99 g_string_append_printf(string, _("The locale appears to be set to \"%s\"\n(set by the LANG environment variable)\n"), (lc) ? lc : "undefined");
100 if (lc && (strstr(lc, "UTF-8") || strstr(lc, "utf-8")))
101 {
102 gchar *name;
103 name = g_convert(path, -1, "UTF-8", "ISO-8859-1", NULL, NULL, NULL);
104 string = g_string_append(string, _("\nPreferred encoding appears to be UTF-8, however the file:\n"));
105 g_string_append_printf(string, "\"%s\"\n", (name) ? name : _("[name not displayable]"));
106
107 if (g_utf8_validate(path, -1, NULL))
108 g_string_append_printf(string, _("\"%s\" is encoded in valid UTF-8."), (name) ? name : _("[name not displayable]"));
109 else
110 g_string_append_printf(string, _("\"%s\" is not encoded in valid UTF-8."), (name) ? name : _("[name not displayable]"));
111 g_string_append(string, "\n");
112 g_free(name);
113 }
114
115 gd = generic_dialog_new(_("Filename encoding locale mismatch"),
116 "locale warning", NULL, TRUE, NULL, NULL);
117 generic_dialog_add_button(gd, GTK_STOCK_CLOSE, NULL, NULL, TRUE);
118
119 generic_dialog_add_message(gd, GTK_STOCK_DIALOG_WARNING,
120 _("Filename encoding locale mismatch"), string->str, TRUE);
121
122 gtk_widget_show(gd->dialog);
123
124 g_string_free(string, TRUE);
125 }
126
127 #if GQ_DEBUG_PATH_UTF8
path_to_utf8_debug(const gchar * path,const gchar * file,gint line)128 gchar *path_to_utf8_debug(const gchar *path, const gchar *file, gint line)
129 #else
130 gchar *path_to_utf8(const gchar *path)
131 #endif
132 {
133 gchar *utf8;
134 GError *error = NULL;
135
136 if (!path) return NULL;
137
138 utf8 = g_filename_to_utf8(path, -1, NULL, NULL, &error);
139 if (error)
140 {
141 #if GQ_DEBUG_PATH_UTF8
142 log_printf("%s:%d: Unable to convert filename to UTF-8:\n%s\n%s\n", file, line, path, error->message);
143 #else
144 log_printf("Unable to convert filename to UTF-8:\n%s\n%s\n", path, error->message);
145 #endif
146 g_error_free(error);
147 encoding_dialog(path);
148 }
149 if (!utf8)
150 {
151 /* just let it through, but bad things may happen */
152 utf8 = g_strdup(path);
153 }
154
155 return utf8;
156 }
157
158 #if GQ_DEBUG_PATH_UTF8
path_from_utf8_debug(const gchar * utf8,const gchar * file,gint line)159 gchar *path_from_utf8_debug(const gchar *utf8, const gchar *file, gint line)
160 #else
161 gchar *path_from_utf8(const gchar *utf8)
162 #endif
163 {
164 gchar *path;
165 GError *error = NULL;
166
167 if (!utf8) return NULL;
168
169 path = g_filename_from_utf8(utf8, -1, NULL, NULL, &error);
170 if (error)
171 {
172 #if GQ_DEBUG_PATH_UTF8
173 log_printf("%s:%d: Unable to convert filename to locale from UTF-8:\n%s\n%s\n", file, line, utf8, error->message);
174 #else
175 log_printf("Unable to convert filename to locale from UTF-8:\n%s\n%s\n", utf8, error->message);
176 #endif
177 g_error_free(error);
178 }
179 if (!path)
180 {
181 /* if invalid UTF-8, text probaby still in original form, so just copy it */
182 path = g_strdup(utf8);
183 }
184
185 return path;
186 }
187
188 /* first we try the HOME environment var, if that doesn't work, we try g_get_homedir(). */
homedir(void)189 const gchar *homedir(void)
190 {
191 static gchar *home = NULL;
192
193 if (!home)
194 home = path_to_utf8(getenv("HOME"));
195
196 if (!home)
197 home = path_to_utf8(g_get_home_dir());
198
199 DEBUG_1("Home directory: %s", home);
200
201 return home;
202 }
203
xdg_dir_get(const gchar * key,const gchar * fallback)204 static gchar *xdg_dir_get(const gchar *key, const gchar *fallback)
205 {
206 gchar *dir = getenv(key);
207
208 if (!dir || dir[0] == '\0')
209 {
210 return g_build_filename(homedir(), fallback, NULL);
211 }
212
213 DEBUG_1("Got xdg %s: %s", key, dir);
214
215 return path_to_utf8(dir);
216 }
217
xdg_data_home_get(void)218 const gchar *xdg_data_home_get(void)
219 {
220 static const gchar *xdg_data_home = NULL;
221
222 if (xdg_data_home) return xdg_data_home;
223
224 xdg_data_home = xdg_dir_get("XDG_DATA_HOME", ".local/share");
225
226 return xdg_data_home;
227 }
228
xdg_config_home_get(void)229 const gchar *xdg_config_home_get(void)
230 {
231 static const gchar *xdg_config_home = NULL;
232
233 if (xdg_config_home) return xdg_config_home;
234
235 xdg_config_home = xdg_dir_get("XDG_CONFIG_HOME", ".config");
236
237 return xdg_config_home;
238 }
239
xdg_cache_home_get(void)240 const gchar *xdg_cache_home_get(void)
241 {
242 static const gchar *xdg_cache_home = NULL;
243
244 if (xdg_cache_home) return xdg_cache_home;
245
246 xdg_cache_home = xdg_dir_get("XDG_CACHE_HOME", ".cache");
247
248 return xdg_cache_home;
249 }
250
get_rc_dir(void)251 const gchar *get_rc_dir(void)
252 {
253 static gchar *rc_dir = NULL;
254
255 if (rc_dir) return rc_dir;
256
257 if (USE_XDG)
258 {
259 rc_dir = g_build_filename(xdg_config_home_get(), GQ_APPNAME_LC, NULL);
260 }
261 else
262 {
263 rc_dir = g_build_filename(homedir(), GQ_RC_DIR, NULL);
264 }
265
266 return rc_dir;
267 }
268
get_collections_dir(void)269 const gchar *get_collections_dir(void)
270 {
271 static gchar *collections_dir = NULL;
272
273 if (collections_dir) return collections_dir;
274
275 if (USE_XDG)
276 {
277 collections_dir = g_build_filename(xdg_data_home_get(), GQ_APPNAME_LC, GQ_COLLECTIONS_DIR, NULL);
278 }
279 else
280 {
281 collections_dir = g_build_filename(get_rc_dir(), GQ_COLLECTIONS_DIR, NULL);
282 }
283
284 return collections_dir;
285 }
286
get_trash_dir(void)287 const gchar *get_trash_dir(void)
288 {
289 static gchar *trash_dir = NULL;
290
291 if (trash_dir) return trash_dir;
292
293 if (USE_XDG)
294 {
295 trash_dir = g_build_filename(xdg_data_home_get(), GQ_APPNAME_LC, GQ_TRASH_DIR, NULL);
296 }
297 else
298 {
299 trash_dir = g_build_filename(get_rc_dir(), GQ_TRASH_DIR, NULL);
300 }
301
302 return trash_dir;
303 }
304
get_window_layouts_dir(void)305 const gchar *get_window_layouts_dir(void)
306 {
307 static gchar *window_layouts_dir = NULL;
308
309 if (window_layouts_dir) return window_layouts_dir;
310
311 if (USE_XDG)
312 {
313 window_layouts_dir = g_build_filename(xdg_config_home_get(), GQ_APPNAME_LC, GQ_WINDOW_LAYOUTS_DIR, NULL);
314 }
315 else
316 {
317 window_layouts_dir = g_build_filename(get_rc_dir(), GQ_WINDOW_LAYOUTS_DIR, NULL);
318 }
319
320 return window_layouts_dir;
321 }
322
stat_utf8(const gchar * s,struct stat * st)323 gboolean stat_utf8(const gchar *s, struct stat *st)
324 {
325 gchar *sl;
326 gboolean ret;
327
328 if (!s) return FALSE;
329 sl = path_from_utf8(s);
330 ret = (stat(sl, st) == 0);
331 g_free(sl);
332
333 return ret;
334 }
335
lstat_utf8(const gchar * s,struct stat * st)336 gboolean lstat_utf8(const gchar *s, struct stat *st)
337 {
338 gchar *sl;
339 gboolean ret;
340
341 if (!s) return FALSE;
342 sl = path_from_utf8(s);
343 ret = (lstat(sl, st) == 0);
344 g_free(sl);
345
346 return ret;
347 }
348
isname(const gchar * s)349 gboolean isname(const gchar *s)
350 {
351 struct stat st;
352
353 return stat_utf8(s, &st);
354 }
355
isfile(const gchar * s)356 gboolean isfile(const gchar *s)
357 {
358 struct stat st;
359
360 return (stat_utf8(s, &st) && S_ISREG(st.st_mode));
361 }
362
isdir(const gchar * s)363 gboolean isdir(const gchar *s)
364 {
365 struct stat st;
366
367 return (stat_utf8(s, &st) && S_ISDIR(st.st_mode));
368 }
369
islink(const gchar * s)370 gboolean islink(const gchar *s)
371 {
372 struct stat st;
373
374 return (lstat_utf8(s, &st) && S_ISLNK(st.st_mode));
375 }
376
filesize(const gchar * s)377 gint64 filesize(const gchar *s)
378 {
379 struct stat st;
380
381 if (!stat_utf8(s, &st)) return 0;
382 return st.st_size;
383 }
384
filetime(const gchar * s)385 time_t filetime(const gchar *s)
386 {
387 struct stat st;
388
389 if (!stat_utf8(s, &st)) return 0;
390 return st.st_mtime;
391 }
392
filetime_set(const gchar * s,time_t tval)393 gboolean filetime_set(const gchar *s, time_t tval)
394 {
395 gboolean ret = FALSE;
396
397 if (tval > 0)
398 {
399 struct utimbuf ut;
400 gchar *sl;
401
402 ut.actime = ut.modtime = tval;
403
404 sl = path_from_utf8(s);
405 ret = (utime(sl, &ut) == 0);
406 g_free(sl);
407 }
408
409 return ret;
410 }
411
is_readable_file(const gchar * s)412 gboolean is_readable_file(const gchar *s)
413 {
414 if (!s || !s[0] || !isfile(s)) return FALSE;
415 return access_file(s, R_OK);
416 }
417
access_file(const gchar * s,gint mode)418 gboolean access_file(const gchar *s, gint mode)
419 {
420 gchar *sl;
421 gint ret;
422
423 if (!s || !s[0]) return FALSE;
424
425 sl = path_from_utf8(s);
426 ret = (access(sl, mode) == 0);
427 g_free(sl);
428
429 return ret;
430 }
431
unlink_file(const gchar * s)432 gboolean unlink_file(const gchar *s)
433 {
434 gchar *sl;
435 gboolean ret;
436
437 if (!s) return FALSE;
438
439 sl = path_from_utf8(s);
440 ret = (unlink(sl) == 0);
441 g_free(sl);
442
443 return ret;
444 }
445
symlink_utf8(const gchar * source,const gchar * target)446 gboolean symlink_utf8(const gchar *source, const gchar *target)
447 {
448 gchar *sl;
449 gchar *tl;
450 gboolean ret;
451
452 if (!source || !target) return FALSE;
453
454 sl = path_from_utf8(source);
455 tl = path_from_utf8(target);
456
457 ret = (symlink(sl, tl) == 0);
458
459 g_free(sl);
460 g_free(tl);
461
462 return ret;
463 }
464
mkdir_utf8(const gchar * s,gint mode)465 gboolean mkdir_utf8(const gchar *s, gint mode)
466 {
467 gchar *sl;
468 gboolean ret;
469
470 if (!s) return FALSE;
471
472 sl = path_from_utf8(s);
473 ret = (mkdir(sl, mode) == 0);
474 g_free(sl);
475 return ret;
476 }
477
rmdir_utf8(const gchar * s)478 gboolean rmdir_utf8(const gchar *s)
479 {
480 gchar *sl;
481 gboolean ret;
482
483 if (!s) return FALSE;
484
485 sl = path_from_utf8(s);
486 ret = (rmdir(sl) == 0);
487 g_free(sl);
488
489 return ret;
490 }
491
copy_file_attributes(const gchar * s,const gchar * t,gint perms,gint mtime)492 gboolean copy_file_attributes(const gchar *s, const gchar *t, gint perms, gint mtime)
493 {
494 struct stat st;
495 gchar *sl, *tl;
496 gboolean ret = FALSE;
497
498 if (!s || !t) return FALSE;
499
500 sl = path_from_utf8(s);
501 tl = path_from_utf8(t);
502
503 if (stat(sl, &st) == 0)
504 {
505 struct utimbuf tb;
506
507 ret = TRUE;
508
509 /* set the dest file attributes to that of source (ignoring errors) */
510
511 if (perms)
512 {
513 ret = chown(tl, st.st_uid, st.st_gid);
514 /* Ignores chown errors, while still doing chown
515 (so root still can copy files preserving ownership) */
516 ret = TRUE;
517 if (chmod(tl, st.st_mode) < 0) {
518 struct stat st2;
519 if (stat(tl, &st2) != 0 || st2.st_mode != st.st_mode) {
520 ret = FALSE;
521 }
522 }
523 }
524
525 tb.actime = st.st_atime;
526 tb.modtime = st.st_mtime;
527 if (mtime && utime(tl, &tb) < 0) ret = FALSE;
528 }
529
530 g_free(sl);
531 g_free(tl);
532
533 return ret;
534 }
535
536 /* paths are in filesystem encoding */
hard_linked(const gchar * a,const gchar * b)537 static gboolean hard_linked(const gchar *a, const gchar *b)
538 {
539 struct stat sta;
540 struct stat stb;
541
542 if (stat(a, &sta) != 0 || stat(b, &stb) != 0) return FALSE;
543
544 return (sta.st_dev == stb.st_dev &&
545 sta.st_ino == stb.st_ino);
546 }
547
copy_file(const gchar * s,const gchar * t)548 gboolean copy_file(const gchar *s, const gchar *t)
549 {
550 FILE *fi = NULL;
551 FILE *fo = NULL;
552 gchar *sl = NULL;
553 gchar *tl = NULL;
554 gchar *randname = NULL;
555 gchar buf[16384];
556 size_t b;
557 gint ret = FALSE;
558 gint fd = -1;
559
560 sl = path_from_utf8(s);
561 tl = path_from_utf8(t);
562
563 if (hard_linked(sl, tl))
564 {
565 ret = TRUE;
566 goto end;
567 }
568
569 /* Do not dereference absolute symlinks, but copy them "as is".
570 * For a relative symlink, we don't know how to properly change it when
571 * copied/moved to another dir to keep pointing it to same target as
572 * a relative symlink, so we turn it into absolute symlink using
573 * realpath() instead. */
574 struct stat st;
575 if (lstat_utf8(sl, &st) && S_ISLNK(st.st_mode))
576 {
577 gchar *link_target;
578 ssize_t i;
579
580 link_target = g_malloc(st.st_size + 1);
581 i = readlink(sl, link_target, st.st_size);
582 if (i<0)
583 {
584 g_free(link_target);
585 goto orig_copy; // try a "normal" copy
586 }
587 link_target[st.st_size] = '\0';
588
589 if (link_target[0] != G_DIR_SEPARATOR) // if it is a relative symlink
590 {
591 gchar *absolute;
592
593 gchar *lastslash = strrchr(sl, G_DIR_SEPARATOR);
594 gint len = lastslash - sl + 1;
595
596 absolute = g_malloc(len + st.st_size + 1);
597 strncpy(absolute, sl, len);
598 strcpy(absolute + len, link_target);
599 g_free(link_target);
600 link_target = absolute;
601
602 gchar *realPath;
603 realPath = realpath(link_target, NULL);
604
605 if (realPath != NULL) // successfully resolved into an absolute path
606 {
607 g_free(link_target);
608 link_target = g_strdup(realPath);
609 g_free(realPath);
610 }
611 else // could not get absolute path, got some error instead
612 {
613 g_free(link_target);
614 goto orig_copy; // so try a "normal" copy
615 }
616 }
617
618 if (stat_utf8(tl, &st)) unlink(tl); // first try to remove directory entry in destination directory if such entry exists
619
620 gint success = (symlink(link_target, tl) == 0);
621 g_free(link_target);
622
623 if (success)
624 {
625 ret = TRUE;
626 goto end;
627 }
628 } // if symlink did not succeed, continue on to try a copy procedure
629 orig_copy:
630
631 fi = fopen(sl, "rb");
632 if (!fi) goto end;
633
634 /* First we write to a temporary file, then we rename it on success,
635 and attributes from original file are copied */
636 randname = g_strconcat(tl, ".tmp_XXXXXX", NULL);
637 if (!randname) goto end;
638
639 fd = g_mkstemp(randname);
640 if (fd == -1) goto end;
641
642 fo = fdopen(fd, "wb");
643 if (!fo) {
644 close(fd);
645 goto end;
646 }
647
648 while ((b = fread(buf, sizeof(gchar), sizeof(buf), fi)) && b != 0)
649 {
650 if (fwrite(buf, sizeof(gchar), b, fo) != b)
651 {
652 unlink(randname);
653 goto end;
654 }
655 }
656
657 fclose(fi); fi = NULL;
658 fclose(fo); fo = NULL;
659
660 if (rename(randname, tl) < 0) {
661 unlink(randname);
662 goto end;
663 }
664
665 ret = copy_file_attributes(s, t, TRUE, TRUE);
666
667 end:
668 if (fi) fclose(fi);
669 if (fo) fclose(fo);
670 if (sl) g_free(sl);
671 if (tl) g_free(tl);
672 if (randname) g_free(randname);
673 return ret;
674 }
675
move_file(const gchar * s,const gchar * t)676 gboolean move_file(const gchar *s, const gchar *t)
677 {
678 gchar *sl, *tl;
679 gboolean ret = TRUE;
680
681 if (!s || !t) return FALSE;
682
683 sl = path_from_utf8(s);
684 tl = path_from_utf8(t);
685 if (rename(sl, tl) < 0)
686 {
687 /* this may have failed because moving a file across filesystems
688 was attempted, so try copy and delete instead */
689 if (copy_file(s, t))
690 {
691 if (unlink(sl) < 0)
692 {
693 /* err, now we can't delete the source file so return FALSE */
694 ret = FALSE;
695 }
696 }
697 else
698 {
699 ret = FALSE;
700 }
701 }
702 g_free(sl);
703 g_free(tl);
704
705 return ret;
706 }
707
rename_file(const gchar * s,const gchar * t)708 gboolean rename_file(const gchar *s, const gchar *t)
709 {
710 gchar *sl, *tl;
711 gboolean ret;
712
713 if (!s || !t) return FALSE;
714
715 sl = path_from_utf8(s);
716 tl = path_from_utf8(t);
717 ret = (rename(sl, tl) == 0);
718 g_free(sl);
719 g_free(tl);
720
721 return ret;
722 }
723
get_current_dir(void)724 gchar *get_current_dir(void)
725 {
726 gchar *pathl;
727 gchar *path8;
728
729 pathl = g_get_current_dir();
730 path8 = path_to_utf8(pathl);
731 g_free(pathl);
732
733 return path8;
734 }
735
list_free_wrapper(void * data,void * userdata)736 void list_free_wrapper(void *data, void *userdata)
737 {
738 g_free(data);
739 }
740
string_list_free(GList * list)741 void string_list_free(GList *list)
742 {
743 g_list_foreach(list, (GFunc)list_free_wrapper, NULL);
744 g_list_free(list);
745 }
746
string_list_copy(const GList * list)747 GList *string_list_copy(const GList *list)
748 {
749 GList *new_list = NULL;
750 GList *work = (GList *) list;
751
752 while (work)
753 {
754 gchar *path;
755
756 path = work->data;
757 work = work->next;
758
759 new_list = g_list_prepend(new_list, g_strdup(path));
760 }
761
762 return g_list_reverse(new_list);
763 }
764
unique_filename(const gchar * path,const gchar * ext,const gchar * divider,gboolean pad)765 gchar *unique_filename(const gchar *path, const gchar *ext, const gchar *divider, gboolean pad)
766 {
767 gchar *unique;
768 gint n = 1;
769
770 if (!ext) ext = "";
771 if (!divider) divider = "";
772
773 unique = g_strconcat(path, ext, NULL);
774 while (isname(unique))
775 {
776 g_free(unique);
777 if (pad)
778 {
779 unique = g_strdup_printf("%s%s%03d%s", path, divider, n, ext);
780 }
781 else
782 {
783 unique = g_strdup_printf("%s%s%d%s", path, divider, n, ext);
784 }
785 n++;
786 if (n > 999)
787 {
788 /* well, we tried */
789 g_free(unique);
790 return NULL;
791 }
792 }
793
794 return unique;
795 }
796
unique_filename_simple(const gchar * path)797 gchar *unique_filename_simple(const gchar *path)
798 {
799 gchar *unique;
800 const gchar *name;
801 const gchar *ext;
802
803 if (!path) return NULL;
804
805 name = filename_from_path(path);
806 if (!name) return NULL;
807
808 ext = registered_extension_from_path(name);
809
810 if (!ext)
811 {
812 unique = unique_filename(path, NULL, "_", TRUE);
813 }
814 else
815 {
816 gchar *base;
817
818 base = remove_extension_from_path(path);
819 unique = unique_filename(base, ext, "_", TRUE);
820 g_free(base);
821 }
822
823 return unique;
824 }
825
filename_from_path(const gchar * path)826 const gchar *filename_from_path(const gchar *path)
827 {
828 const gchar *base;
829
830 if (!path) return NULL;
831
832 base = strrchr(path, G_DIR_SEPARATOR);
833 if (base) return base + 1;
834
835 return path;
836 }
837
remove_level_from_path(const gchar * path)838 gchar *remove_level_from_path(const gchar *path)
839 {
840 const gchar *base;
841
842 if (!path) return g_strdup("");
843
844 base = strrchr(path, G_DIR_SEPARATOR);
845 /* Take account of a file being in the root ( / ) folder - ensure the returned value
846 * is at least one character long */
847 if (base) return g_strndup(path, (strlen(path)-strlen(base)) == 0 ? 1 : (strlen(path)-strlen(base)));
848
849 return g_strdup("");
850 }
851
file_extension_match(const gchar * path,const gchar * ext)852 gboolean file_extension_match(const gchar *path, const gchar *ext)
853 {
854 gint p;
855 gint e;
856
857 if (!path) return FALSE;
858 if (!ext) return TRUE;
859
860 p = strlen(path);
861 e = strlen(ext);
862
863 /* FIXME: utf8 */
864 return (p > e && g_ascii_strncasecmp(path + p - e, ext, e) == 0);
865 }
866
remove_extension_from_path(const gchar * path)867 gchar *remove_extension_from_path(const gchar *path)
868 {
869 const gchar *reg_ext;
870
871 if (!path) return NULL;
872
873 reg_ext = registered_extension_from_path(path);
874
875 return g_strndup(path, strlen(path) - (reg_ext == NULL ? 0 : strlen(reg_ext)));
876 }
877
parse_out_relatives(gchar * path)878 void parse_out_relatives(gchar *path)
879 {
880 gint s, t;
881
882 if (!path) return;
883
884 s = t = 0;
885
886 while (path[s] != '\0')
887 {
888 if (path[s] == G_DIR_SEPARATOR && path[s+1] == '.')
889 {
890 /* /. occurence, let's see more */
891 gint p = s + 2;
892
893 if (path[p] == G_DIR_SEPARATOR || path[p] == '\0')
894 {
895 /* /./ or /., just skip this part */
896 s = p;
897 continue;
898 }
899 else if (path[p] == '.' && (path[p+1] == G_DIR_SEPARATOR || path[p+1] == '\0'))
900 {
901 /* /../ or /.., remove previous part, ie. /a/b/../ becomes /a/ */
902 s = p + 1;
903 if (t > 0) t--;
904 while (path[t] != G_DIR_SEPARATOR && t > 0) t--;
905 continue;
906 }
907 }
908
909 if (s != t) path[t] = path[s];
910 t++;
911 s++;
912 }
913
914 if (t == 0 && path[t] == G_DIR_SEPARATOR) t++;
915 if (t > 1 && path[t-1] == G_DIR_SEPARATOR) t--;
916 path[t] = '\0';
917 }
918
file_in_path(const gchar * name)919 gboolean file_in_path(const gchar *name)
920 {
921 gchar *path;
922 gchar *namel;
923 gint p, l;
924 gboolean ret = FALSE;
925
926 if (!name) return FALSE;
927 path = g_strdup(getenv("PATH"));
928 if (!path) return FALSE;
929 namel = path_from_utf8(name);
930
931 p = 0;
932 l = strlen(path);
933 while (p < l && !ret)
934 {
935 gchar *f;
936 gint e = p;
937 while (path[e] != ':' && path[e] != '\0') e++;
938 path[e] = '\0';
939 e++;
940 f = g_build_filename(path + p, namel, NULL);
941 if (isfile(f)) ret = TRUE;
942 g_free(f);
943 p = e;
944 }
945 g_free(namel);
946 g_free(path);
947
948 return ret;
949 }
950
recursive_mkdir_if_not_exists(const gchar * path,mode_t mode)951 gboolean recursive_mkdir_if_not_exists(const gchar *path, mode_t mode)
952 {
953 if (!path) return FALSE;
954
955 if (!isdir(path))
956 {
957 gchar *npath = g_strdup(path);
958 gchar *p = npath;
959
960 while (p[0] != '\0')
961 {
962 p++;
963 if (p[0] == G_DIR_SEPARATOR || p[0] == '\0')
964 {
965 gboolean end = TRUE;
966
967 if (p[0] != '\0')
968 {
969 p[0] = '\0';
970 end = FALSE;
971 }
972
973 if (!isdir(npath))
974 {
975 DEBUG_1("creating sub dir:%s", npath);
976 if (!mkdir_utf8(npath, mode))
977 {
978 log_printf("create dir failed: %s\n", npath);
979 g_free(npath);
980 return FALSE;
981 }
982 }
983
984 if (!end) p[0] = G_DIR_SEPARATOR;
985 }
986 }
987 g_free(npath);
988 }
989
990 return TRUE;
991 }
992
993 /* does filename utf8 to filesystem encoding first */
md5_get_digest_from_file_utf8(const gchar * path,guchar digest[16])994 gboolean md5_get_digest_from_file_utf8(const gchar *path, guchar digest[16])
995 {
996 gboolean success;
997 gchar *pathl;
998
999 pathl = path_from_utf8(path);
1000 success = md5_get_digest_from_file(pathl, digest);
1001 g_free(pathl);
1002
1003 return success;
1004 }
1005
1006
md5_text_from_file_utf8(const gchar * path,const gchar * error_text)1007 gchar *md5_text_from_file_utf8(const gchar *path, const gchar *error_text)
1008 {
1009 guchar digest[16];
1010
1011 if (!md5_get_digest_from_file_utf8(path, digest)) return g_strdup(error_text);
1012
1013 return md5_digest_to_text(digest);
1014 }
1015
1016 /* Download web file
1017 */
1018 typedef struct _WebData WebData;
1019 struct _WebData
1020 {
1021 GenericDialog *gd;
1022 GCancellable *cancellable;
1023 LayoutWindow *lw;
1024
1025 GtkWidget *progress;
1026 GFile *tmp_g_file;
1027 GFile *web_file;
1028 };
1029
web_file_async_ready_cb(GObject * source_object,GAsyncResult * res,gpointer data)1030 static void web_file_async_ready_cb(GObject *source_object, GAsyncResult *res, gpointer data)
1031 {
1032 GError *error = NULL;
1033 WebData* web = data;
1034 gchar *tmp_filename;
1035
1036 if (!g_cancellable_is_cancelled(web->cancellable))
1037 {
1038 generic_dialog_close(web->gd);
1039 }
1040
1041 if (g_file_copy_finish(G_FILE(source_object), res, &error))
1042 {
1043 tmp_filename = g_file_get_parse_name(web->tmp_g_file);
1044 g_free(tmp_filename);
1045 layout_set_path(web->lw, g_file_get_path(web->tmp_g_file));
1046 }
1047 else
1048 {
1049 file_util_warning_dialog(_("Web file download failed"), error->message, GTK_STOCK_DIALOG_ERROR, NULL);
1050 }
1051
1052 g_object_unref(web->tmp_g_file);
1053 web->tmp_g_file = NULL;
1054 g_object_unref(web->cancellable);
1055 g_object_unref(web->web_file);
1056 }
1057
web_file_progress_cb(goffset current_num_bytes,goffset total_num_bytes,gpointer data)1058 static void web_file_progress_cb(goffset current_num_bytes, goffset total_num_bytes, gpointer data)
1059 {
1060 WebData* web = data;
1061
1062 if (!g_cancellable_is_cancelled(web->cancellable))
1063 {
1064 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(web->progress), (gdouble)current_num_bytes / total_num_bytes);
1065 }
1066 }
1067
download_web_file_cancel_button_cb(GenericDialog * gd,gpointer data)1068 static void download_web_file_cancel_button_cb(GenericDialog *gd, gpointer data)
1069 {
1070 WebData* web = data;
1071
1072 g_cancellable_cancel(web->cancellable);
1073 }
1074
download_web_file(const gchar * text,gboolean minimized,gpointer data)1075 gboolean download_web_file(const gchar *text, gboolean minimized, gpointer data)
1076 {
1077 gchar *scheme;
1078 LayoutWindow *lw = data;
1079 gchar *tmp_dir;
1080 GError *error = NULL;
1081 WebData *web;
1082 gchar *base;
1083 gboolean ret;
1084 gchar *message;
1085 FileFormatClass format_class;
1086
1087 scheme = g_uri_parse_scheme(text);
1088 if (g_strcmp0("http", scheme) == 0 || g_strcmp0("https", scheme) == 0)
1089 {
1090 format_class = filter_file_get_class(text);
1091
1092 if (format_class == FORMAT_CLASS_IMAGE || format_class == FORMAT_CLASS_RAWIMAGE || format_class == FORMAT_CLASS_VIDEO || format_class == FORMAT_CLASS_DOCUMENT)
1093 {
1094 tmp_dir = g_dir_make_tmp("geeqie_XXXXXX", &error);
1095 if (error)
1096 {
1097 log_printf("Error: could not create temporary file n%s\n", error->message);
1098 g_error_free(error);
1099 error = NULL;
1100 ret = TRUE;
1101 }
1102 else
1103 {
1104 web = g_new0(WebData, 1);
1105 web->lw = lw;
1106
1107 web->web_file = g_file_new_for_uri(text);
1108
1109 base = g_strdup(g_file_get_basename(web->web_file));
1110 web->tmp_g_file = g_file_new_for_path(g_build_filename(tmp_dir, base, NULL));
1111
1112 web->gd = generic_dialog_new(_("Download web file"), "download_web_file", NULL, TRUE, download_web_file_cancel_button_cb, web);
1113
1114 message = g_strconcat(_("Downloading "), base, NULL);
1115 generic_dialog_add_message(web->gd, GTK_STOCK_DIALOG_INFO, message, NULL, FALSE);
1116
1117 web->progress = gtk_progress_bar_new();
1118 gtk_box_pack_start(GTK_BOX(web->gd->vbox), web->progress, FALSE, FALSE, 0);
1119 gtk_widget_show(web->progress);
1120 if (minimized)
1121 {
1122 gtk_window_iconify(GTK_WINDOW(web->gd->dialog));
1123 }
1124
1125 gtk_widget_show(web->gd->dialog);
1126 web->cancellable = g_cancellable_new();
1127 g_file_copy_async(web->web_file, web->tmp_g_file, G_FILE_COPY_OVERWRITE, G_PRIORITY_LOW, web->cancellable, web_file_progress_cb, web, web_file_async_ready_cb, web);
1128
1129 g_free(base);
1130 g_free(message);
1131 ret = TRUE;
1132 }
1133 }
1134 }
1135 else
1136 {
1137 ret = FALSE;
1138 }
1139
1140 g_free(scheme);
1141 return ret;
1142
1143 }
1144 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
1145