diff options
| -rw-r--r-- | libmate-desktop/mate-desktop-thumbnail.c | 152 |
1 files changed, 104 insertions, 48 deletions
diff --git a/libmate-desktop/mate-desktop-thumbnail.c b/libmate-desktop/mate-desktop-thumbnail.c index 08fc510..623ba3a 100644 --- a/libmate-desktop/mate-desktop-thumbnail.c +++ b/libmate-desktop/mate-desktop-thumbnail.c @@ -864,20 +864,20 @@ mate_desktop_thumbnail_factory_can_thumbnail (MateDesktopThumbnailFactory *facto } static char * -expand_thumbnailing_script (const char *script, - const int size, - const char *inuri, - const char *outfile) +expand_thumbnailing_elem (const char *elem, + const int size, + const char *inuri, + const char *outfile, + gboolean *got_input, + gboolean *got_output) { GString *str; const char *p, *last; - char *localfile, *quoted; - gboolean got_in; + char *localfile; str = g_string_new (NULL); - got_in = FALSE; - last = script; + last = elem; while ((p = strchr (last, '%')) != NULL) { g_string_append_len (str, last, p - last); @@ -885,50 +885,95 @@ expand_thumbnailing_script (const char *script, switch (*p) { case 'u': - quoted = g_shell_quote (inuri); - g_string_append (str, quoted); - g_free (quoted); - got_in = TRUE; - p++; - break; + g_string_append (str, inuri); + *got_input = TRUE; + p++; + break; case 'i': - localfile = g_filename_from_uri (inuri, NULL, NULL); - if (localfile) - { - quoted = g_shell_quote (localfile); - g_string_append (str, quoted); - got_in = TRUE; - g_free (quoted); - g_free (localfile); - } - p++; - break; + localfile = g_filename_from_uri (inuri, NULL, NULL); + if (localfile) + { + g_string_append (str, localfile); + *got_input = TRUE; + g_free (localfile); + } + p++; + break; case 'o': - quoted = g_shell_quote (outfile); - g_string_append (str, quoted); - g_free (quoted); - p++; - break; + g_string_append (str, outfile); + *got_output = TRUE; + p++; + break; case 's': - g_string_append_printf (str, "%d", size); - p++; - break; + g_string_append_printf (str, "%d", size); + p++; + break; case '%': - g_string_append_c (str, '%'); - p++; - break; + g_string_append_c (str, '%'); + p++; + break; case 0: default: - break; + break; } last = p; } g_string_append (str, last); - if (got_in) - return g_string_free (str, FALSE); + return g_string_free (str, FALSE); +} + +static char ** +expand_thumbnailing_script (const char *script, + const int size, + const char *inuri, + const char *outfile, + GError **error) +{ + GPtrArray *array; + char **script_elems; + guint i; + gboolean got_in, got_out; + + if (!g_shell_parse_argv (script, NULL, &script_elems, error)) + return NULL; + + array = g_ptr_array_new_with_free_func (g_free); - g_string_free (str, TRUE); + got_in = got_out = FALSE; + for (i = 0; script_elems[i] != NULL; i++) + { + char *expanded; + + expanded = expand_thumbnailing_elem (script_elems[i], + size, + inuri, + outfile, + &got_in, + &got_out); + + g_ptr_array_add (array, expanded); + } + + if (!got_in) + { + g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, + "Input file could not be set"); + goto bail; + } + else if (!got_out) + { + g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, + "Output file could not be set"); + goto bail; + } + + g_ptr_array_add (array, NULL); + + return (char **) g_ptr_array_free (array, FALSE); + +bail: + g_ptr_array_free (array, TRUE); return NULL; } @@ -1011,7 +1056,7 @@ mate_desktop_thumbnail_factory_generate_thumbnail (MateDesktopThumbnailFactory * const char *mime_type) { GdkPixbuf *pixbuf; - char *script, *expanded_script; + char *script; int size; int exit_status; char *tmpname; @@ -1051,18 +1096,29 @@ mate_desktop_thumbnail_factory_generate_thumbnail (MateDesktopThumbnailFactory * if (fd != -1) { + char **expanded_script; + GError *error = NULL; + close (fd); - expanded_script = expand_thumbnailing_script (script, size, uri, tmpname); - if (expanded_script != NULL && - g_spawn_command_line_sync (expanded_script, - NULL, NULL, &exit_status, NULL) && - exit_status == 0) + expanded_script = expand_thumbnailing_script (script, size, uri, tmpname, &error); + if (expanded_script == NULL) + { + g_warning ("Failed to expand script '%s': %s", script, error->message); + g_error_free (error); + } + else { - pixbuf = gdk_pixbuf_new_from_file (tmpname, NULL); + gboolean ret; + + ret = g_spawn_sync (NULL, expanded_script, NULL, G_SPAWN_SEARCH_PATH, + NULL, NULL, NULL, NULL, &exit_status, NULL); + if (ret && exit_status == 0) + pixbuf = gdk_pixbuf_new_from_file (tmpname, NULL); + + g_strfreev (expanded_script); } - g_free (expanded_script); g_unlink (tmpname); g_free (tmpname); } |