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authorPerberos <[email protected]>2011-11-09 22:53:33 -0300
committerPerberos <[email protected]>2011-11-09 22:53:33 -0300
commit70438138096a47b2505ac55634cd94947ce378b6 (patch)
treee45e49dda10a71616466500a4ab65d1c54b5f6c1 /src/fr-command-zip.c
downloadengrampa-70438138096a47b2505ac55634cd94947ce378b6.tar.bz2
engrampa-70438138096a47b2505ac55634cd94947ce378b6.tar.xz
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Diffstat (limited to 'src/fr-command-zip.c')
-rw-r--r--src/fr-command-zip.c494
1 files changed, 494 insertions, 0 deletions
diff --git a/src/fr-command-zip.c b/src/fr-command-zip.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ * File-Roller
+ *
+ * Copyright (C) 2001 The Free Software Foundation, Inc.
+ *
+ * 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 Street #330, Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <glib.h>
+
+#include "file-data.h"
+#include "file-utils.h"
+#include "glib-utils.h"
+#include "fr-command.h"
+#include "fr-command-zip.h"
+
+#define EMPTY_ARCHIVE_WARNING "Empty zipfile."
+#define ZIP_SPECIAL_CHARACTERS "[]*?!^-\\"
+
+static void fr_command_zip_class_init (FrCommandZipClass *class);
+static void fr_command_zip_init (FrCommand *afile);
+static void fr_command_zip_finalize (GObject *object);
+
+/* Parent Class */
+
+static FrCommandClass *parent_class = NULL;
+
+
+/* -- list -- */
+
+static time_t
+mktime_from_string (char *datetime_s)
+{
+ struct tm tm = {0, };
+ char *date;
+ char *time;
+ char *year;
+ char *month;
+ char *day;
+ char *hour;
+ char *min;
+ char *sec;
+
+ tm.tm_isdst = -1;
+
+ /* date */
+
+ date = datetime_s;
+ year = g_strndup (date, 4);
+ month = g_strndup (date + 4, 2);
+ day = g_strndup (date + 6, 2);
+ tm.tm_year = atoi (year) - 1900;
+ tm.tm_mon = atoi (month) - 1;
+ tm.tm_mday = atoi (day);
+ g_free (year);
+ g_free (month);
+ g_free (day);
+
+ /* time */
+
+ time = datetime_s + 9;
+ hour = g_strndup (time, 2);
+ min = g_strndup (time + 2, 2);
+ sec = g_strndup (time + 4, 2);
+ tm.tm_hour = atoi (hour);
+ tm.tm_min = atoi (min);
+ tm.tm_sec = atoi (sec);
+ g_free(hour);
+ g_free(min);
+ g_free(sec);
+
+ return mktime (&tm);
+}
+
+
+static void
+list__process_line (char *line,
+ gpointer data)
+{
+ FileData *fdata;
+ FrCommand *comm = FR_COMMAND (data);
+ char **fields;
+ const char *name_field;
+ gint line_l;
+
+ g_return_if_fail (line != NULL);
+
+ /* check whether unzip gave the empty archive warning. */
+
+ if (FR_COMMAND_ZIP (comm)->is_empty)
+ return;
+
+ line_l = strlen (line);
+
+ if (line_l == 0)
+ return;
+
+ if (strcmp (line, EMPTY_ARCHIVE_WARNING) == 0) {
+ FR_COMMAND_ZIP (comm)->is_empty = TRUE;
+ return;
+ }
+
+ /* ignore lines that do not describe a file or a
+ * directory. */
+ if ((line[0] != '?') && (line[0] != 'd') && (line[0] != '-'))
+ return;
+
+ /**/
+
+ fdata = file_data_new ();
+
+ fields = split_line (line, 7);
+ fdata->size = g_ascii_strtoull (fields[3], NULL, 10);
+ fdata->modified = mktime_from_string (fields[6]);
+ fdata->encrypted = (*fields[4] == 'B') || (*fields[4] == 'T');
+ g_strfreev (fields);
+
+ /* Full path */
+
+ name_field = get_last_field (line, 8);
+
+ if (*name_field == '/') {
+ fdata->full_path = g_strdup (name_field);
+ fdata->original_path = fdata->full_path;
+ } else {
+ fdata->full_path = g_strconcat ("/", name_field, NULL);
+ fdata->original_path = fdata->full_path + 1;
+ }
+
+ fdata->link = NULL;
+
+ fdata->dir = line[0] == 'd';
+ if (fdata->dir)
+ fdata->name = dir_name_from_path (fdata->full_path);
+ else
+ fdata->name = g_strdup (file_name_from_path (fdata->full_path));
+ fdata->path = remove_level_from_path (fdata->full_path);
+
+ if (*fdata->name == 0)
+ file_data_free (fdata);
+ else
+ fr_command_add_file (comm, fdata);
+}
+
+
+static void
+add_password_arg (FrCommand *comm,
+ const char *password)
+{
+ if ((password != NULL) && (password[0] != '\0')) {
+ fr_process_add_arg (comm->process, "-P");
+ fr_process_add_arg (comm->process, password);
+ }
+}
+
+
+static void
+list__begin (gpointer data)
+{
+ FrCommandZip *comm = data;
+
+ comm->is_empty = FALSE;
+}
+
+
+static void
+fr_command_zip_list (FrCommand *comm)
+{
+ fr_process_set_out_line_func (comm->process, list__process_line, comm);
+
+ fr_process_begin_command (comm->process, "unzip");
+ fr_process_set_begin_func (comm->process, list__begin, comm);
+ fr_process_add_arg (comm->process, "-ZTs");
+ fr_process_add_arg (comm->process, comm->filename);
+ fr_process_end_command (comm->process);
+ fr_process_start (comm->process);
+}
+
+
+static void
+process_line__common (char *line,
+ gpointer data)
+{
+ FrCommand *comm = FR_COMMAND (data);
+
+ if (line == NULL)
+ return;
+
+ fr_command_message (comm, line);
+
+ if (comm->n_files != 0) {
+ double fraction = (double) ++comm->n_file / (comm->n_files + 1);
+ fr_command_progress (comm, fraction);
+ }
+}
+
+
+static void
+fr_command_zip_add (FrCommand *comm,
+ const char *from_file,
+ GList *file_list,
+ const char *base_dir,
+ gboolean update,
+ gboolean recursive)
+{
+ GList *scan;
+
+ fr_process_set_out_line_func (FR_COMMAND (comm)->process,
+ process_line__common,
+ comm);
+
+ fr_process_begin_command (comm->process, "zip");
+
+ if (base_dir != NULL)
+ fr_process_set_working_dir (comm->process, base_dir);
+
+ /* preserve links. */
+ fr_process_add_arg (comm->process, "-y");
+
+ if (update)
+ fr_process_add_arg (comm->process, "-u");
+
+ add_password_arg (comm, comm->password);
+
+ switch (comm->compression) {
+ case FR_COMPRESSION_VERY_FAST:
+ fr_process_add_arg (comm->process, "-1"); break;
+ case FR_COMPRESSION_FAST:
+ fr_process_add_arg (comm->process, "-3"); break;
+ case FR_COMPRESSION_NORMAL:
+ fr_process_add_arg (comm->process, "-6"); break;
+ case FR_COMPRESSION_MAXIMUM:
+ fr_process_add_arg (comm->process, "-9"); break;
+ }
+
+ fr_process_add_arg (comm->process, comm->filename);
+ for (scan = file_list; scan; scan = scan->next)
+ fr_process_add_arg (comm->process, scan->data);
+
+ fr_process_end_command (comm->process);
+}
+
+
+static void
+fr_command_zip_delete (FrCommand *comm,
+ const char *from_file,
+ GList *file_list)
+{
+ GList *scan;
+
+ fr_process_set_out_line_func (FR_COMMAND (comm)->process,
+ process_line__common,
+ comm);
+
+ fr_process_begin_command (comm->process, "zip");
+ fr_process_add_arg (comm->process, "-d");
+
+ fr_process_add_arg (comm->process, comm->filename);
+ for (scan = file_list; scan; scan = scan->next) {
+ char *escaped;
+
+ escaped = escape_str (scan->data, ZIP_SPECIAL_CHARACTERS);
+ fr_process_add_arg (comm->process, escaped);
+ g_free (escaped);
+ }
+
+ fr_process_end_command (comm->process);
+}
+
+
+static void
+fr_command_zip_extract (FrCommand *comm,
+ const char *from_file,
+ GList *file_list,
+ const char *dest_dir,
+ gboolean overwrite,
+ gboolean skip_older,
+ gboolean junk_paths)
+{
+ GList *scan;
+
+ fr_process_set_out_line_func (FR_COMMAND (comm)->process,
+ process_line__common,
+ comm);
+
+ fr_process_begin_command (comm->process, "unzip");
+
+ if (dest_dir != NULL) {
+ fr_process_add_arg (comm->process, "-d");
+ fr_process_add_arg (comm->process, dest_dir);
+ }
+ if (overwrite)
+ fr_process_add_arg (comm->process, "-o");
+ else
+ fr_process_add_arg (comm->process, "-n");
+ if (skip_older)
+ fr_process_add_arg (comm->process, "-u");
+ if (junk_paths)
+ fr_process_add_arg (comm->process, "-j");
+ add_password_arg (comm, comm->password);
+
+ fr_process_add_arg (comm->process, comm->filename);
+ for (scan = file_list; scan; scan = scan->next) {
+ char *escaped;
+
+ escaped = escape_str (scan->data, ZIP_SPECIAL_CHARACTERS);
+ fr_process_add_arg (comm->process, escaped);
+ g_free (escaped);
+ }
+
+ fr_process_end_command (comm->process);
+}
+
+
+static void
+fr_command_zip_test (FrCommand *comm)
+{
+ fr_process_begin_command (comm->process, "unzip");
+ fr_process_add_arg (comm->process, "-t");
+ add_password_arg (comm, comm->password);
+ fr_process_add_arg (comm->process, comm->filename);
+ fr_process_end_command (comm->process);
+}
+
+
+static void
+fr_command_zip_handle_error (FrCommand *comm,
+ FrProcError *error)
+{
+ if (error->type != FR_PROC_ERROR_NONE) {
+ if (error->status <= 1)
+ error->type = FR_PROC_ERROR_NONE;
+ else if ((error->status == 82) || (error->status == 5))
+ error->type = FR_PROC_ERROR_ASK_PASSWORD;
+ else {
+ GList *output;
+ GList *scan;
+
+ if (comm->action == FR_ACTION_TESTING_ARCHIVE)
+ output = comm->process->out.raw;
+ else
+ output = comm->process->err.raw;
+
+ for (scan = g_list_last (output); scan; scan = scan->prev) {
+ char *line = scan->data;
+
+ if (strstr (line, "incorrect password") != NULL) {
+ error->type = FR_PROC_ERROR_ASK_PASSWORD;
+ break;
+ }
+ }
+ }
+ }
+}
+
+
+const char *zip_mime_type[] = { "application/x-cbz",
+ "application/x-ms-dos-executable",
+ "application/zip",
+ NULL };
+
+
+const char **
+fr_command_zip_get_mime_types (FrCommand *comm)
+{
+ return zip_mime_type;
+}
+
+
+FrCommandCap
+fr_command_zip_get_capabilities (FrCommand *comm,
+ const char *mime_type,
+ gboolean check_command)
+{
+ FrCommandCap capabilities;
+
+ capabilities = FR_COMMAND_CAN_ARCHIVE_MANY_FILES | FR_COMMAND_CAN_ENCRYPT;
+ if (is_program_available ("zip", check_command)) {
+ if (strcmp (mime_type, "application/x-ms-dos-executable") == 0)
+ capabilities |= FR_COMMAND_CAN_READ;
+ else
+ capabilities |= FR_COMMAND_CAN_READ_WRITE;
+ }
+ else if (is_program_available ("unzip", check_command))
+ capabilities |= FR_COMMAND_CAN_READ;
+
+ return capabilities;
+}
+
+
+static const char *
+fr_command_zip_get_packages (FrCommand *comm,
+ const char *mime_type)
+{
+ return PACKAGES ("zip,unzip");
+}
+
+
+static void
+fr_command_zip_class_init (FrCommandZipClass *class)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+ FrCommandClass *afc;
+
+ parent_class = g_type_class_peek_parent (class);
+ afc = (FrCommandClass*) class;
+
+ gobject_class->finalize = fr_command_zip_finalize;
+
+ afc->list = fr_command_zip_list;
+ afc->add = fr_command_zip_add;
+ afc->delete = fr_command_zip_delete;
+ afc->extract = fr_command_zip_extract;
+ afc->test = fr_command_zip_test;
+ afc->handle_error = fr_command_zip_handle_error;
+ afc->get_mime_types = fr_command_zip_get_mime_types;
+ afc->get_capabilities = fr_command_zip_get_capabilities;
+ afc->get_packages = fr_command_zip_get_packages;
+}
+
+
+static void
+fr_command_zip_init (FrCommand *comm)
+{
+ comm->propAddCanUpdate = TRUE;
+ comm->propAddCanReplace = TRUE;
+ comm->propAddCanStoreFolders = TRUE;
+ comm->propExtractCanAvoidOverwrite = TRUE;
+ comm->propExtractCanSkipOlder = TRUE;
+ comm->propExtractCanJunkPaths = TRUE;
+ comm->propPassword = TRUE;
+ comm->propTest = TRUE;
+
+ FR_COMMAND_ZIP (comm)->is_empty = FALSE;
+}
+
+
+static void
+fr_command_zip_finalize (GObject *object)
+{
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (FR_IS_COMMAND_ZIP (object));
+
+ /* Chain up */
+ if (G_OBJECT_CLASS (parent_class)->finalize)
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
+GType
+fr_command_zip_get_type ()
+{
+ static GType type = 0;
+
+ if (! type) {
+ GTypeInfo type_info = {
+ sizeof (FrCommandZipClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) fr_command_zip_class_init,
+ NULL,
+ NULL,
+ sizeof (FrCommandZip),
+ 0,
+ (GInstanceInitFunc) fr_command_zip_init
+ };
+
+ type = g_type_register_static (FR_TYPE_COMMAND,
+ "FRCommandZip",
+ &type_info,
+ 0);
+ }
+
+ return type;
+}
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