diff options
Diffstat (limited to 'src/fr-command-zip.c')
| -rw-r--r-- | src/fr-command-zip.c | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/src/fr-command-zip.c b/src/fr-command-zip.c new file mode 100644 index 0000000..3e651f7 --- /dev/null +++ b/src/fr-command-zip.c @@ -0,0 +1,494 @@ +/* -*- 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; +} |