/*
- * GQview
- * (C) 2004 John Ellis
+ * Copyright (C) 2004 John Ellis
+ * Copyright (C) 2008 - 2016 The Geeqie Team
*
* Author: John Ellis
*
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "gqview.h"
+#include "main.h"
#include "cache.h"
#include "md5-util.h"
+#include "secure_save.h"
+#include "thumb_standard.h"
#include "ui_fileops.h"
#include <utime.h>
#include <errno.h>
-/*
+/**
+ * @file
*-------------------------------------------------------------------
* Cache data file format:
*-------------------------------------------------------------------
- *
- * SIMcache
- * #coment
- * Dimensions=[<width> x <height>]
- * Date=[<value in time_t format, or -1 if no embedded date>]
- * Checksum=[<value>]
- * MD5sum=[<32 character ascii text digest>]
+ *
+ * SIMcache \n
+ * #comment \n
+ * Dimensions=[<width> x <height>] \n
+ * Date=[<value in time_t format, or -1 if no embedded date>] \n
+ * MD5sum=[<32 character ascii text digest>] \n
* SimilarityGrid[32 x 32]=<3072 bytes of data (1024 pixels in RGB format, 1 pixel is 24bits)>
- *
- *
- * The first line (9 bytes) indicates it is a SIMcache format file. (new line char must exist)
- * Comment lines starting with a # are ignored up to a new line.
- * All data lines should end with a new line char.
- * Format is very strict, data must begin with the char immediately following '='.
- * Currently SimilarityGrid is always assumed to be 32 x 32 RGB.
+ *
+ * The first line (9 bytes) indicates it is a SIMcache format file. (new line char must exist) \n
+ * Comment lines starting with a # are ignored up to a new line. \n
+ * All data lines should end with a new line char. \n
+ * Format is very strict, data must begin with the char immediately following '='. \n
+ * Currently SimilarityGrid is always assumed to be 32 x 32 RGB. \n
*/
*-------------------------------------------------------------------
*/
-static gint cache_sim_write_dimensions(FILE *f, CacheData *cd)
-{
- if (!f || !cd || !cd->dimensions) return FALSE;
-
- fprintf(f, "Dimensions=[%d x %d]\n", cd->width, cd->height);
-
- return TRUE;
-}
-
-static gint cache_sim_write_date(FILE *f, CacheData *cd)
+static gboolean cache_sim_write_dimensions(SecureSaveInfo *ssi, CacheData *cd)
{
- if (!f || !cd || !cd->have_date) return FALSE;
+ if (!cd || !cd->dimensions) return FALSE;
- fprintf(f, "Date=[%ld]\n", cd->date);
+ secure_fprintf(ssi, "Dimensions=[%d x %d]\n", cd->width, cd->height);
return TRUE;
}
-static gint cache_sim_write_checksum(FILE *f, CacheData *cd)
+static gboolean cache_sim_write_date(SecureSaveInfo *ssi, CacheData *cd)
{
- if (!f || !cd || !cd->have_checksum) return FALSE;
+ if (!cd || !cd->have_date) return FALSE;
- fprintf(f, "Checksum=[%ld]\n", cd->checksum);
+ secure_fprintf(ssi, "Date=[%ld]\n", cd->date);
return TRUE;
}
-static gint cache_sim_write_md5sum(FILE *f, CacheData *cd)
+static gboolean cache_sim_write_md5sum(SecureSaveInfo *ssi, CacheData *cd)
{
gchar *text;
- if (!f || !cd || !cd->have_md5sum) return FALSE;
+ if (!cd || !cd->have_md5sum) return FALSE;
text = md5_digest_to_text(cd->md5sum);
- fprintf(f, "MD5sum=[%s]\n", text);
+ secure_fprintf(ssi, "MD5sum=[%s]\n", text);
g_free(text);
return TRUE;
}
-static gint cache_sim_write_similarity(FILE *f, CacheData *cd)
+static gboolean cache_sim_write_similarity(SecureSaveInfo *ssi, CacheData *cd)
{
- gint success = FALSE;
+ guint x, y;
+ guint8 buf[3 * 32];
- if (!f || !cd || !cd->similarity) return FALSE;
+ if (!cd || !cd->similarity || !cd->sim || !cd->sim->filled) return FALSE;
- if (cd->sim && cd->sim->filled)
+ secure_fprintf(ssi, "SimilarityGrid[32 x 32]=");
+ for (y = 0; y < 32; y++)
{
- gint x, y;
- guint8 buf[96];
+ guint s = y * 32;
+ guint8 *avg_r = &cd->sim->avg_r[s];
+ guint8 *avg_g = &cd->sim->avg_g[s];
+ guint8 *avg_b = &cd->sim->avg_b[s];
+ guint n = 0;
- fprintf(f, "SimilarityGrid[32 x 32]=");
- for (y = 0; y < 32; y++)
+ for (x = 0; x < 32; x++)
{
- gint s;
- guint8 *p;
-
- s = y * 32;
- p = buf;
- for(x = 0; x < 32; x++)
- {
- *p = cd->sim->avg_r[s + x]; p++;
- *p = cd->sim->avg_g[s + x]; p++;
- *p = cd->sim->avg_b[s + x]; p++;
- }
- fwrite(buf, sizeof(buf), 1, f);
+ buf[n++] = avg_r[x];
+ buf[n++] = avg_g[x];
+ buf[n++] = avg_b[x];
}
- fprintf(f, "\n");
- success = TRUE;
+ secure_fwrite(buf, sizeof(buf), 1, ssi);
}
- return success;
+ secure_fputc(ssi, '\n');
+
+ return TRUE;
}
-gint cache_sim_data_save(CacheData *cd)
+gboolean cache_sim_data_save(CacheData *cd)
{
- FILE *f;
+ SecureSaveInfo *ssi;
gchar *pathl;
if (!cd || !cd->path) return FALSE;
pathl = path_from_utf8(cd->path);
- f = fopen(pathl, "w");
+ ssi = secure_open(pathl);
g_free(pathl);
- if (!f)
+ if (!ssi)
{
- printf("Unable to save sim cache data: %s\n", cd->path);
+ log_printf("Unable to save sim cache data: %s\n", cd->path);
return FALSE;
}
- fprintf(f, "SIMcache\n#%s %s\n", PACKAGE, VERSION);
- cache_sim_write_dimensions(f, cd);
- cache_sim_write_date(f, cd);
- cache_sim_write_checksum(f, cd);
- cache_sim_write_md5sum(f, cd);
- cache_sim_write_similarity(f, cd);
+ secure_fprintf(ssi, "SIMcache\n#%s %s\n", PACKAGE, VERSION);
+ cache_sim_write_dimensions(ssi, cd);
+ cache_sim_write_date(ssi, cd);
+ cache_sim_write_md5sum(ssi, cd);
+ cache_sim_write_similarity(ssi, cd);
- fclose (f);
+ if (secure_close(ssi))
+ {
+ log_printf(_("error saving sim cache data: %s\nerror: %s\n"), cd->path,
+ secsave_strerror(secsave_errno));
+ return FALSE;
+ }
return TRUE;
}
*-------------------------------------------------------------------
*/
-static gint cache_sim_read_comment(FILE *f, char *buf, int s, CacheData *cd)
+static gboolean cache_sim_read_skipline(FILE *f, gint s)
{
- if (!f || !buf || !cd) return FALSE;
+ if (!f) return FALSE;
- if (buf[0] != '#') return FALSE;
-
- if (fseek(f, 0 - (s - 1), SEEK_CUR) == 0)
+ if (fseek(f, 0 - s, SEEK_CUR) == 0)
{
- char b;
- while(fread(&b, sizeof(b), 1, f) == 1)
+ gchar b;
+ while (fread(&b, sizeof(b), 1, f) == 1)
{
if (b == '\n') return TRUE;
}
return FALSE;
}
-static gint cache_sim_read_dimensions(FILE *f, char *buf, int s, CacheData *cd)
+static gboolean cache_sim_read_comment(FILE *f, gchar *buf, gint s, CacheData *cd)
+{
+ if (!f || !buf || !cd) return FALSE;
+
+ if (s < 1 || buf[0] != '#') return FALSE;
+
+ return cache_sim_read_skipline(f, s - 1);
+}
+
+static gboolean cache_sim_read_dimensions(FILE *f, gchar *buf, gint s, CacheData *cd)
{
if (!f || !buf || !cd) return FALSE;
if (fseek(f, - s, SEEK_CUR) == 0)
{
- char b;
- char buf[1024];
- gint p = 0;
+ gchar b;
+ gchar buf[1024];
+ gsize p = 0;
gint w, h;
b = 'X';
{
if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
}
- while (b != ']' && p < 1023)
+ while (b != ']' && p < sizeof(buf) - 1)
{
if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
buf[p] = b;
return FALSE;
}
-static gint cache_sim_read_date(FILE *f, char *buf, int s, CacheData *cd)
+static gboolean cache_sim_read_date(FILE *f, gchar *buf, gint s, CacheData *cd)
{
if (!f || !buf || !cd) return FALSE;
if (fseek(f, - s, SEEK_CUR) == 0)
{
- char b;
- char buf[1024];
- gint p = 0;
+ gchar b;
+ gchar buf[1024];
+ gsize p = 0;
b = 'X';
while (b != '[')
{
if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
}
- while (b != ']' && p < 1023)
+ while (b != ']' && p < sizeof(buf) - 1)
{
if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
buf[p] = b;
return FALSE;
}
-static gint cache_sim_read_checksum(FILE *f, char *buf, int s, CacheData *cd)
-{
- if (!f || !buf || !cd) return FALSE;
-
- if (s < 8 || strncmp("Checksum", buf, 8) != 0) return FALSE;
-
- if (fseek(f, - s, SEEK_CUR) == 0)
- {
- char b;
- char buf[1024];
- gint p = 0;
-
- b = 'X';
- while (b != '[')
- {
- if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
- }
- while (b != ']' && p < 1023)
- {
- if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
- buf[p] = b;
- p++;
- }
-
- while (b != '\n')
- {
- if (fread(&b, sizeof(b), 1, f) != 1) break;
- }
-
- buf[p] = '\0';
- cd->checksum = strtol(buf, NULL, 10);
-
- cd->have_checksum = TRUE;
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-static gint cache_sim_read_md5sum(FILE *f, char *buf, int s, CacheData *cd)
+static gboolean cache_sim_read_md5sum(FILE *f, gchar *buf, gint s, CacheData *cd)
{
if (!f || !buf || !cd) return FALSE;
if (fseek(f, - s, SEEK_CUR) == 0)
{
- char b;
- char buf[64];
- gint p = 0;
+ gchar b;
+ gchar buf[64];
+ gsize p = 0;
b = 'X';
while (b != '[')
{
if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
}
- while (b != ']' && p < 63)
+ while (b != ']' && p < sizeof(buf) - 1)
{
if (fread(&b, sizeof(b), 1, f) != 1) return FALSE;
buf[p] = b;
return FALSE;
}
-static gint cache_sim_read_similarity(FILE *f, char *buf, int s, CacheData *cd)
+static gboolean cache_sim_read_similarity(FILE *f, gchar *buf, gint s, CacheData *cd)
{
if (!f || !buf || !cd) return FALSE;
if (fseek(f, - s, SEEK_CUR) == 0)
{
- char b;
+ gchar b;
guint8 pixel_buf[3];
ImageSimilarityData *sd;
gint x, y;
return FALSE;
}
+#define CACHE_LOAD_LINE_NOISE 8
+
CacheData *cache_sim_data_load(const gchar *path)
{
FILE *f;
CacheData *cd = NULL;
- char buf[32];
- gint success = TRUE;
+ gchar buf[32];
+ gint success = CACHE_LOAD_LINE_NOISE;
gchar *pathl;
if (!path) return NULL;
cd = cache_sim_data_new();
cd->path = g_strdup(path);
- if (fread(&buf, sizeof(char), 9, f) != 9 ||
+ if (fread(&buf, sizeof(gchar), 9, f) != 9 ||
strncmp(buf, "SIMcache", 8) != 0)
{
- if (debug) printf("%s is not a cache file\n", cd->path);
- success = FALSE;
+ DEBUG_1("%s is not a cache file", cd->path);
+ success = 0;
}
- while (success)
+ while (success > 0)
{
- int s;
- s = fread(&buf, sizeof(char), sizeof(buf), f);
+ gint s;
+ s = fread(&buf, sizeof(gchar), sizeof(buf), f);
if (s < 1)
{
- success = FALSE;
+ success = 0;
}
else
{
if (!cache_sim_read_comment(f, buf, s, cd) &&
!cache_sim_read_dimensions(f, buf, s, cd) &&
!cache_sim_read_date(f, buf, s, cd) &&
- !cache_sim_read_checksum(f, buf, s, cd) &&
!cache_sim_read_md5sum(f, buf, s, cd) &&
!cache_sim_read_similarity(f, buf, s, cd))
{
- success = FALSE;
+ if (!cache_sim_read_skipline(f, s))
+ {
+ success = 0;
+ }
+ else
+ {
+ success--;
+ }
+ }
+ else
+ {
+ success = CACHE_LOAD_LINE_NOISE;
}
}
}
if (!cd->dimensions &&
!cd->have_date &&
- !cd->have_checksum &&
!cd->have_md5sum &&
!cd->similarity)
{
cd->have_date = TRUE;
}
-void cache_sim_data_set_checksum(CacheData *cd, long checksum)
-{
- if (!cd) return;
-
- cd->checksum = checksum;
- cd->have_checksum = TRUE;
-}
-
void cache_sim_data_set_md5sum(CacheData *cd, guchar digest[16])
{
gint i;
cd->similarity = TRUE;
}
-gint cache_sim_data_filled(ImageSimilarityData *sd)
+gboolean cache_sim_data_filled(ImageSimilarityData *sd)
{
if (!sd) return FALSE;
return sd->filled;
*-------------------------------------------------------------------
*/
-/* warning: this func modifies path string contents!, on fail it is set to fail point */
-gint cache_ensure_dir_exists(gchar *path, mode_t mode)
-{
- if (!path) return FALSE;
-
- if (!isdir(path))
- {
- gchar *p = path;
- while (p[0] != '\0')
- {
- p++;
- if (p[0] == '/' || p[0] == '\0')
- {
- gint end = TRUE;
- if (p[0] != '\0')
- {
- p[0] = '\0';
- end = FALSE;
- }
- if (!isdir(path))
- {
- if (debug) printf("creating sub dir:%s\n", path);
- if (!mkdir_utf8(path, mode))
- {
- printf("create dir failed: %s\n", path);
- return FALSE;
- }
- }
- if (!end) p[0] = '/';
- }
- }
- }
- return TRUE;
-}
static void cache_path_parts(CacheType type,
const gchar **cache_rc, const gchar **cache_local, const gchar **cache_ext)
switch (type)
{
case CACHE_TYPE_THUMB:
- *cache_rc = GQVIEW_CACHE_RC_THUMB;
- *cache_local = GQVIEW_CACHE_LOCAL_THUMB;
- *cache_ext = GQVIEW_CACHE_EXT_THUMB;
+ *cache_rc = get_thumbnails_cache_dir();
+ *cache_local = GQ_CACHE_LOCAL_THUMB;
+ *cache_ext = GQ_CACHE_EXT_THUMB;
break;
case CACHE_TYPE_SIM:
- *cache_rc = GQVIEW_CACHE_RC_THUMB;
- *cache_local = GQVIEW_CACHE_LOCAL_THUMB;
- *cache_ext = GQVIEW_CACHE_EXT_SIM;
+ *cache_rc = get_thumbnails_cache_dir();
+ *cache_local = GQ_CACHE_LOCAL_THUMB;
+ *cache_ext = GQ_CACHE_EXT_SIM;
break;
case CACHE_TYPE_METADATA:
- *cache_rc = GQVIEW_CACHE_RC_METADATA;
- *cache_local = GQVIEW_CACHE_LOCAL_METADATA;
- *cache_ext = GQVIEW_CACHE_EXT_METADATA;
+ *cache_rc = get_metadata_cache_dir();
+ *cache_local = GQ_CACHE_LOCAL_METADATA;
+ *cache_ext = GQ_CACHE_EXT_METADATA;
+ break;
+ case CACHE_TYPE_XMP_METADATA:
+ *cache_rc = get_metadata_cache_dir();
+ *cache_local = GQ_CACHE_LOCAL_METADATA;
+ *cache_ext = GQ_CACHE_EXT_XMP_METADATA;
break;
}
}
base = remove_level_from_path(source);
if (include_name)
{
- name = g_strconcat("/", filename_from_path(source), NULL);
- }
- else
- {
- cache_ext = NULL;
+ name = g_strconcat(filename_from_path(source), cache_ext, NULL);
}
- if (((type != CACHE_TYPE_METADATA && enable_thumb_dirs) ||
- (type == CACHE_TYPE_METADATA && enable_metadata_dirs)) &&
+ if (((type != CACHE_TYPE_METADATA && type != CACHE_TYPE_XMP_METADATA && options->thumbnails.cache_into_dirs) ||
+ ((type == CACHE_TYPE_METADATA || type == CACHE_TYPE_XMP_METADATA) && options->metadata.enable_metadata_dirs)) &&
access_file(base, W_OK))
{
- path = g_strconcat(base, "/", cache_local, name, cache_ext, NULL);
+ path = g_build_filename(base, cache_local, name, NULL);
if (mode) *mode = 0775;
}
if (!path)
{
- path = g_strconcat(homedir(), "/", cache_rc, base, name, cache_ext, NULL);
+ path = g_build_filename(cache_rc, base, name, NULL);
if (mode) *mode = 0755;
}
return path;
}
+static gchar *cache_build_path_local(const gchar *source, const gchar *cache_local, const gchar *cache_ext)
+{
+ gchar *path;
+ gchar *base = remove_level_from_path(source);
+ gchar *name = g_strconcat(filename_from_path(source), cache_ext, NULL);
+ path = g_build_filename(base, cache_local, name, NULL);
+ g_free(name);
+ g_free(base);
+
+ return path;
+}
+
+static gchar *cache_build_path_rc(const gchar *source, const gchar *cache_rc, const gchar *cache_ext)
+{
+ gchar *path;
+ gchar *name = g_strconcat(source, cache_ext, NULL);
+ path = g_build_filename(cache_rc, name, NULL);
+ g_free(name);
+
+ return path;
+}
+
gchar *cache_find_location(CacheType type, const gchar *source)
{
gchar *path;
- const gchar *name;
- gchar *base;
const gchar *cache_rc;
const gchar *cache_local;
const gchar *cache_ext;
- gint prefer_local;
+ gboolean prefer_local;
if (!source) return NULL;
cache_path_parts(type, &cache_rc, &cache_local, &cache_ext);
- name = filename_from_path(source);
- base = remove_level_from_path(source);
-
- if (type == CACHE_TYPE_METADATA)
+ if (type == CACHE_TYPE_METADATA || type == CACHE_TYPE_XMP_METADATA)
{
- prefer_local = enable_metadata_dirs;
+ prefer_local = options->metadata.enable_metadata_dirs;
}
else
{
- prefer_local = enable_thumb_dirs;
+ prefer_local = options->thumbnails.cache_into_dirs;
}
if (prefer_local)
{
- path = g_strconcat(base, "/", cache_local, "/", name, cache_ext, NULL);
+ path = cache_build_path_local(source, cache_local, cache_ext);
}
else
{
- path = g_strconcat(homedir(), "/", cache_rc, source, cache_ext, NULL);
+ path = cache_build_path_rc(source, cache_rc, cache_ext);
}
if (!isfile(path))
/* try the opposite method if not found */
if (!prefer_local)
{
- path = g_strconcat(base, "/", cache_local, "/", name, cache_ext, NULL);
+ path = cache_build_path_local(source, cache_local, cache_ext);
}
else
{
- path = g_strconcat(homedir(), "/", cache_rc, source, cache_ext, NULL);
+ path = cache_build_path_rc(source, cache_rc, cache_ext);
}
if (!isfile(path))
}
}
- g_free(base);
-
return path;
}
-gint cache_time_valid(const gchar *cache, const gchar *path)
+gboolean cache_time_valid(const gchar *cache, const gchar *path)
{
struct stat cache_st;
struct stat path_st;
gchar *cachel;
gchar *pathl;
- gint ret = FALSE;
+ gboolean ret = FALSE;
if (!cache || !path) return FALSE;
if (utime(cachel, &ut) < 0 &&
errno == EPERM)
{
- if (debug) printf("cache permission workaround: %s\n", cachel);
+ DEBUG_1("cache permission workaround: %s", cachel);
ret = TRUE;
}
}
return ret;
}
+const gchar *get_thumbnails_cache_dir(void)
+{
+ static gchar *thumbnails_cache_dir = NULL;
+
+ if (thumbnails_cache_dir) return thumbnails_cache_dir;
+
+ if (USE_XDG)
+ {
+ thumbnails_cache_dir = g_build_filename(xdg_cache_home_get(),
+ GQ_APPNAME_LC, GQ_CACHE_THUMB, NULL);
+ }
+ else
+ {
+ thumbnails_cache_dir = g_build_filename(get_rc_dir(), GQ_CACHE_THUMB, NULL);
+ }
+
+ return thumbnails_cache_dir;
+}
+
+const gchar *get_thumbnails_standard_cache_dir(void)
+{
+ static gchar *thumbnails_standard_cache_dir = NULL;
+
+ if (thumbnails_standard_cache_dir) return thumbnails_standard_cache_dir;
+
+ thumbnails_standard_cache_dir = g_build_filename(xdg_cache_home_get(),
+ THUMB_FOLDER_GLOBAL, NULL);
+
+ return thumbnails_standard_cache_dir;
+}
+
+const gchar *get_metadata_cache_dir(void)
+{
+ static gchar *metadata_cache_dir = NULL;
+
+ if (metadata_cache_dir) return metadata_cache_dir;
+
+ if (USE_XDG)
+ {
+ /* Metadata go to $XDG_DATA_HOME.
+ * "Keywords and comments, among other things, are irreplaceable and cannot be auto-generated,
+ * so I don't think they'd be appropriate for the cache directory." -- Omari Stephens on geeqie-devel ml
+ */
+ metadata_cache_dir = g_build_filename(xdg_data_home_get(), GQ_APPNAME_LC, GQ_CACHE_METADATA, NULL);
+ }
+ else
+ {
+ metadata_cache_dir = g_build_filename(get_rc_dir(), GQ_CACHE_METADATA, NULL);
+ }
+
+ return metadata_cache_dir;
+}
+
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */