mirror of
https://github.com/rkd77/elinks.git
synced 2024-10-07 04:53:37 -04:00
804 lines
20 KiB
C
804 lines
20 KiB
C
/** Sessions task management
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* @file */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "elinks.h"
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#include "bfu/menu.h"
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#include "bfu/dialog.h"
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#include "cache/cache.h"
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#include "dialogs/menu.h"
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#include "dialogs/status.h"
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#include "document/document.h"
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#include "document/html/parser.h"
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#include "document/refresh.h"
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#include "document/view.h"
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#include "intl/libintl.h"
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#include "main/event.h"
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#include "main/timer.h"
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#include "network/connection.h"
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#include "osdep/newwin.h"
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#include "protocol/protocol.h"
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#include "protocol/uri.h"
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#include "terminal/terminal.h"
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#include "terminal/window.h"
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#include "session/download.h"
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#include "session/location.h"
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#include "session/session.h"
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#include "session/task.h"
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#include "viewer/text/view.h"
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static void loading_callback(struct download *, struct session *);
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static void
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free_task(struct session *ses)
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{
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assertm(ses->task.type, "Session has no task");
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if_assert_failed return;
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if (ses->loading_uri) {
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done_uri(ses->loading_uri);
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ses->loading_uri = NULL;
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}
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ses->task.type = TASK_NONE;
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mem_free_set(&ses->task.target.frame, NULL);
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}
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void
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abort_preloading(struct session *ses, int interrupt)
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{
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if (!ses->task.type) {
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/* ses->task.target.frame must be freed in the
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* destroy_session() => abort_loading() =>
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* abort_preloading() call chain. Normally,
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* free_task() called from here would do that,
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* but if the task has no type, free_task()
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* cannot be called because an assertion would
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* fail. There are several functions that set
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* ses->task.target.frame without ses->task.type,
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* so apparently it is allowed. */
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mem_free_set(&ses->task.target.frame, NULL);
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return;
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}
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cancel_download(&ses->loading, interrupt);
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free_task(ses);
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}
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struct task {
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struct session *ses;
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struct uri *uri;
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cache_mode_T cache_mode;
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struct session_task session_task;
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};
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void
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ses_load(struct session *ses, struct uri *uri, char *target_frame,
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struct location *target_location, cache_mode_T cache_mode,
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enum task_type task_type)
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{
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ses->loading.callback = (download_callback_T *) loading_callback;
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ses->loading.data = ses;
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ses->loading_uri = uri;
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ses->task.type = task_type;
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mem_free_set(&ses->task.target.frame, null_or_stracpy(target_frame));
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ses->task.target.location = target_location;
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load_uri(ses->loading_uri, ses->referrer, &ses->loading,
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PRI_MAIN, cache_mode, -1);
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}
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static void
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post_yes(void *task_)
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{
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struct task *task = (struct task *)task_;
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abort_preloading(task->ses, 0);
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/* XXX: Make the session inherit the URI. */
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ses_load(task->ses, task->uri, task->session_task.target.frame,
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task->session_task.target.location, task->cache_mode,
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task->session_task.type);
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}
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static void
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post_no(void *task_)
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{
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struct task *task = (struct task *)task_;
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reload(task->ses, CACHE_MODE_NORMAL);
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done_uri(task->uri);
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}
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/** Check if the URI is obfuscated (bug 382). The problem is said to occur when
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* a URI designed to pass access a specific location with a supplied username,
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* contains misleading chars prior to the @ symbol.
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*
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* An attacker can exploit this issue by supplying a malicious URI pointing to
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* a page designed to mimic that of a trusted site, and tricking a victim who
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* follows a link into believing they are actually at the trusted location.
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*
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* Only the user ID (and not also the password) is checked because only the
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* user ID is displayed in the status bar. */
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static int
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check_malicious_uri(struct uri *uri)
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{
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char *user, *pos;
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int warn = 0;
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assert(uri->user && uri->userlen);
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user = pos = memacpy(uri->user, uri->userlen);
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if (!user) return 0;
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decode_uri_for_display(user);
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while (*pos) {
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int length, trailing_dots;
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for (length = 0; pos[length] != '\0'; length++)
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if (!(isalnum(pos[length]) || pos[length] == '.'))
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break;
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/* Wind back so that the TLD part is checked correctly. */
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for (trailing_dots = 0; trailing_dots < length; trailing_dots++)
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if (!length || pos[length - trailing_dots - 1] != '.')
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break;
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/* Not perfect, but I am clueless as how to do better. Besides
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* I don't really think it is an issue for ELinks. --jonas */
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if (end_with_known_tld(pos, length - trailing_dots) != -1) {
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warn = 1;
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break;
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}
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pos += length;
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while (*pos && (!isalnum(*pos) || *pos == '.'))
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pos++;
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}
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mem_free(user);
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return warn;
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}
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void
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ses_goto(struct session *ses, struct uri *uri, char *target_frame,
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struct location *target_location, cache_mode_T cache_mode,
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enum task_type task_type, int redir)
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{
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/* [gettext_accelerator_context(ses_goto)] */
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struct task *task;
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int referrer_incomplete = 0;
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int malicious_uri = 0;
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int confirm_submit = uri->form && get_opt_bool("document.browse.forms"
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".confirm_submit", ses);
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char *m1 = NULL, *message = NULL;
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struct memory_list *mlist = NULL;
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if (ses->doc_view
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&& ses->doc_view->document
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&& ses->doc_view->document->refresh) {
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kill_document_refresh(ses->doc_view->document->refresh);
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}
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assertm(!ses->loading_uri, "Buggy URI reference counting");
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/* Reset the redirect counter if this is not a redirect. */
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if (!redir) {
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ses->redirect_cnt = 0;
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}
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/* Figure out whether to confirm submit or not */
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/* Only confirm submit if we are posting form data or a misleading URI
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* was detected. */
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/* Note uri->post might be empty here but we are still supposely
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* posting form data so this should be more correct. */
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if (uri->user && uri->userlen
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&& get_opt_bool("document.browse.links.warn_malicious", ses)
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&& check_malicious_uri(uri)) {
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malicious_uri = 1;
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confirm_submit = 1;
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} else if (uri->form) {
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/* First check if the referring URI was incomplete. It
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* indicates that the posted form data might be incomplete too.
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* See bug 460. */
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if (ses->referrer) {
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struct cache_entry *cached;
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cached = find_in_cache(ses->referrer);
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referrer_incomplete = (cached && cached->incomplete);
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}
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if (referrer_incomplete) {
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confirm_submit = 1;
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} else if (get_validated_cache_entry(uri, cache_mode)) {
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confirm_submit = 0;
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}
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}
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if (!confirm_submit) {
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ses_load(ses, get_uri_reference(uri), target_frame,
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target_location, cache_mode, task_type);
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return;
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}
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task = (struct task *)mem_alloc(sizeof(*task));
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if (!task) return;
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task->ses = ses;
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task->uri = get_uri_reference(uri);
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task->cache_mode = cache_mode;
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task->session_task.type = task_type;
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task->session_task.target.frame = null_or_stracpy(target_frame);
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task->session_task.target.location = target_location;
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if (malicious_uri) {
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char *host = memacpy(uri->host, uri->hostlen);
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char *user = memacpy(uri->user, uri->userlen);
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char *uristring = get_uri_string(uri, URI_PUBLIC);
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message = msg_text(ses->tab->term,
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N_("The URL you are about to follow might be maliciously "
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"crafted in order to confuse you. By following the URL "
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"you will be connecting to host \"%s\" as user \"%s\".\n\n"
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"Do you want to go to URL %s?"), host, user, uristring);
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mem_free_if(host);
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mem_free_if(user);
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mem_free_if(uristring);
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} else if (redir) {
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m1 = N_("Do you want to follow the redirect and post form data "
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"to URL %s?");
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} else if (referrer_incomplete) {
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m1 = N_("The form data you are about to post might be incomplete.\n"
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"Do you want to post to URL %s?");
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} else if (task_type == TASK_FORWARD) {
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m1 = N_("Do you want to post form data to URL %s?");
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} else {
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m1 = N_("Do you want to repost form data to URL %s?");
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}
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if (!message && m1) {
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char *uristring = get_uri_string(uri, URI_PUBLIC);
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message = msg_text(ses->tab->term, m1, uristring);
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mem_free_if(uristring);
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}
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add_to_ml(&mlist, task, (void *) NULL);
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if (task->session_task.target.frame)
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add_to_ml(&mlist, task->session_task.target.frame, (void *) NULL);
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msg_box(ses->tab->term, mlist, MSGBOX_FREE_TEXT,
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N_("Warning"), ALIGN_CENTER,
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message,
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task, 2,
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MSG_BOX_BUTTON(N_("~Yes"), post_yes, B_ENTER),
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MSG_BOX_BUTTON(N_("~No"), post_no, B_ESC));
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}
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/** If @a loaded_in_frame is set, this was called just to indicate a move inside
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* a frameset, and we basically just reset the appropriate frame's view_state in
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* that case. When clicking on a link inside a frame, the frame URI is somehow
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* updated and added to the files-to-load queue, then ses_forward() is called
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* with @a loaded_in_frame unset, duplicating the whole frameset's location,
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* then later the file-to-load callback calls it for the particular frame with
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* @a loaded_in_frame set. */
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struct view_state *
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ses_forward(struct session *ses, int loaded_in_frame)
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{
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struct location *loc = NULL;
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struct view_state *vs;
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if (!loaded_in_frame) {
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free_files(ses);
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if (get_opt_bool("document.browse.search.reset", NULL)) {
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mem_free_set(&ses->search_word, NULL);
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}
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}
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x:
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if (!loaded_in_frame) {
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loc = (struct location *)mem_calloc(1, sizeof(*loc));
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if (!loc) return NULL;
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copy_struct(&loc->download, &ses->loading);
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}
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if (ses->task.target.frame && *ses->task.target.frame) {
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struct frame *frame;
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assertm(have_location(ses), "no location yet");
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if_assert_failed return NULL;
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if (!loaded_in_frame) {
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copy_location(loc, cur_loc(ses));
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add_to_history(&ses->history, loc);
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}
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frame = ses_find_frame(ses, ses->task.target.frame);
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if (!frame) {
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frame = ses_find_iframe(ses, ses->task.target.frame);
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}
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if (!frame) {
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if (!loaded_in_frame) {
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del_from_history(&ses->history, loc);
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destroy_location(loc);
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}
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mem_free_set(&ses->task.target.frame, NULL);
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goto x;
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}
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vs = &frame->vs;
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if (!loaded_in_frame) {
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destroy_vs(vs, 1);
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init_vs(vs, ses->loading_uri, vs->plain);
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} else {
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done_uri(vs->uri);
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vs->uri = get_uri_reference(ses->loading_uri);
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if (vs->doc_view) {
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/* vs->doc_view itself will get detached in
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* render_document_frames(), but that's too
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* late for us. */
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vs->doc_view->vs = NULL;
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vs->doc_view = NULL;
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}
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#ifdef CONFIG_ECMASCRIPT
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vs->ecmascript_fragile = 1;
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#endif
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}
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} else {
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assert(loc);
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if_assert_failed return NULL;
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init_list(loc->frames);
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init_list(loc->iframes);
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vs = &loc->vs;
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init_vs(vs, ses->loading_uri, vs->plain);
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add_to_history(&ses->history, loc);
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}
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ses->status.visited = 0;
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/* This is another "branch" in the browsing, so throw away the current
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* unhistory, we are venturing in another direction! */
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if (ses->task.type == TASK_FORWARD)
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clean_unhistory(&ses->history);
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return vs;
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}
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static void
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ses_imgmap(struct session *ses)
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{
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struct cache_entry *cached = find_in_cache(ses->loading_uri);
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struct document_view *doc_view = current_frame(ses);
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struct fragment *fragment;
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struct memory_list *ml;
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struct menu_item *menu;
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if (!cached) {
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INTERNAL("can't find cache entry");
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return;
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}
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fragment = get_cache_fragment(cached);
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if (!fragment) return;
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if (!doc_view || !doc_view->document) return;
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if (get_image_map(cached->head, fragment->data,
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fragment->data + fragment->length,
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&menu, &ml, ses->loading_uri,
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&doc_view->document->options,
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ses->task.target.frame,
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get_terminal_codepage(ses->tab->term),
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get_opt_codepage("document.codepage.assume", ses),
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get_opt_bool("document.codepage.force_assumed", ses)))
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return;
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add_empty_window(ses->tab->term, (void (*)(void *)) freeml, ml);
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do_menu(ses->tab->term, menu, ses, 0);
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}
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enum do_move {
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DO_MOVE_ABORT,
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DO_MOVE_DISPLAY,
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DO_MOVE_DONE
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};
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static enum do_move
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do_redirect(struct session *ses, struct download **download_p, struct cache_entry *cached)
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{
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enum task_type task = ses->task.type;
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if (task == TASK_HISTORY && !have_location(ses))
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return DO_MOVE_DISPLAY;
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assertm(compare_uri(cached->uri, ses->loading_uri, URI_BASE),
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"Redirecting using bad base URI");
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if (cached->redirect->protocol == PROTOCOL_UNKNOWN)
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return DO_MOVE_ABORT;
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abort_loading(ses, 0);
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if (have_location(ses))
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*download_p = &cur_loc(ses)->download;
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else
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*download_p = NULL;
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set_session_referrer(ses, cached->uri);
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switch (task) {
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case TASK_NONE:
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break;
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case TASK_FORWARD:
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{
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protocol_external_handler_T *fn;
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struct uri *uri = cached->redirect;
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fn = get_protocol_external_handler(ses->tab->term, uri);
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if (fn) {
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fn(ses, uri);
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*download_p = NULL;
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return DO_MOVE_ABORT;
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}
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}
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/* Fall through. */
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case TASK_IMGMAP:
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ses_goto(ses, cached->redirect, ses->task.target.frame, NULL,
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CACHE_MODE_NORMAL, task, 1);
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return DO_MOVE_DONE;
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case TASK_HISTORY:
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ses_goto(ses, cached->redirect, NULL, ses->task.target.location,
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CACHE_MODE_NORMAL, TASK_RELOAD, 1);
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return DO_MOVE_DONE;
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case TASK_RELOAD:
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ses_goto(ses, cached->redirect, NULL, NULL,
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ses->reloadlevel, TASK_RELOAD, 1);
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return DO_MOVE_DONE;
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}
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return DO_MOVE_DISPLAY;
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}
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static enum do_move
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do_move(struct session *ses, struct download **download_p)
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{
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struct cache_entry *cached;
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assert(download_p && *download_p);
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assertm(ses->loading_uri != NULL, "no ses->loading_uri");
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if_assert_failed return DO_MOVE_ABORT;
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if (ses->loading_uri->protocol == PROTOCOL_UNKNOWN)
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return DO_MOVE_ABORT;
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/* Handling image map needs to scan the source of the loaded document
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* so all of it has to be available. */
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if (ses->task.type == TASK_IMGMAP && is_in_progress_state((*download_p)->state))
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return DO_MOVE_ABORT;
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cached = (*download_p)->cached;
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if (!cached) return DO_MOVE_ABORT;
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if (cached->redirect && ses->redirect_cnt++ < MAX_REDIRECTS) {
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enum do_move d = do_redirect(ses, download_p, cached);
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if (d != DO_MOVE_DISPLAY) return d;
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}
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kill_timer(&ses->display_timer);
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switch (ses->task.type) {
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case TASK_NONE:
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break;
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case TASK_FORWARD:
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if (setup_download_handler(ses, &ses->loading, cached, 0)) {
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free_task(ses);
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reload(ses, CACHE_MODE_NORMAL);
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return DO_MOVE_DONE;
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}
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break;
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case TASK_IMGMAP:
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|
ses_imgmap(ses);
|
|
break;
|
|
case TASK_HISTORY:
|
|
ses_history_move(ses);
|
|
break;
|
|
case TASK_RELOAD:
|
|
ses->task.target.location = cur_loc(ses)->prev;
|
|
ses_history_move(ses);
|
|
ses_forward(ses, 0);
|
|
break;
|
|
}
|
|
|
|
if (is_in_progress_state((*download_p)->state)) {
|
|
if (have_location(ses))
|
|
*download_p = &cur_loc(ses)->download;
|
|
move_download(&ses->loading, *download_p, PRI_MAIN);
|
|
} else if (have_location(ses)) {
|
|
cur_loc(ses)->download.state = ses->loading.state;
|
|
}
|
|
|
|
free_task(ses);
|
|
return DO_MOVE_DISPLAY;
|
|
}
|
|
|
|
static void
|
|
loading_callback(struct download *download, struct session *ses)
|
|
{
|
|
enum do_move d;
|
|
|
|
assertm(ses->task.type, "loading_callback: no ses->task");
|
|
if_assert_failed return;
|
|
|
|
d = do_move(ses, &download);
|
|
if (!download) return;
|
|
if (d == DO_MOVE_DONE) goto end;
|
|
|
|
if (d == DO_MOVE_DISPLAY) {
|
|
download->callback = (download_callback_T *) doc_loading_callback;
|
|
download->data = ses;
|
|
display_timer(ses);
|
|
}
|
|
|
|
if (is_in_result_state(download->state)) {
|
|
if (ses->task.type) free_task(ses);
|
|
if (d == DO_MOVE_DISPLAY) doc_loading_callback(download, ses);
|
|
}
|
|
|
|
if (is_in_result_state(download->state)
|
|
&& !is_in_state(download->state, S_OK)) {
|
|
print_error_dialog(ses, download->state,
|
|
download->conn ? download->conn->uri : NULL,
|
|
download->pri);
|
|
if (d == DO_MOVE_ABORT) reload(ses, CACHE_MODE_NORMAL);
|
|
}
|
|
|
|
end:
|
|
check_questions_queue(ses);
|
|
print_screen_status(ses);
|
|
}
|
|
|
|
|
|
static void
|
|
do_follow_url(struct session *ses, struct uri *uri, char *target,
|
|
enum task_type task, cache_mode_T cache_mode, int do_referrer)
|
|
{
|
|
struct uri *referrer = NULL;
|
|
protocol_external_handler_T *external_handler;
|
|
|
|
if (!uri) {
|
|
print_error_dialog(ses, connection_state(S_BAD_URL), uri, PRI_CANCEL);
|
|
return;
|
|
}
|
|
|
|
external_handler = get_protocol_external_handler(ses->tab->term, uri);
|
|
if (external_handler) {
|
|
external_handler(ses, uri);
|
|
return;
|
|
}
|
|
|
|
if (do_referrer) {
|
|
struct document_view *doc_view = current_frame(ses);
|
|
|
|
if (doc_view && doc_view->document)
|
|
referrer = doc_view->document->uri;
|
|
}
|
|
|
|
if (target && !strcmp(target, "_blank")) {
|
|
int mode = get_opt_int("document.browse.links.target_blank",
|
|
ses);
|
|
|
|
if (mode == 3
|
|
&& !get_cmd_opt_bool("anonymous")
|
|
&& can_open_in_new(ses->tab->term)
|
|
&& !get_cmd_opt_bool("no-connect")
|
|
&& !get_cmd_opt_bool("no-home")) {
|
|
term_env_type_T env = ses->tab->term->environment;
|
|
|
|
open_uri_in_new_window(ses, uri, referrer, env,
|
|
cache_mode, task);
|
|
return;
|
|
}
|
|
|
|
if (mode > 0) {
|
|
struct session *new_ses;
|
|
|
|
new_ses = init_session(ses, ses->tab->term, uri, (mode == 2));
|
|
if (new_ses) ses = new_ses;
|
|
}
|
|
}
|
|
|
|
ses->reloadlevel = cache_mode;
|
|
|
|
if (ses->task.type == task) {
|
|
if (compare_uri(ses->loading_uri, uri, 0)) {
|
|
/* We're already loading the URL. */
|
|
return;
|
|
}
|
|
}
|
|
|
|
abort_loading(ses, 0);
|
|
|
|
set_session_referrer(ses, referrer);
|
|
|
|
ses_goto(ses, uri, target, NULL, cache_mode, task, 0);
|
|
}
|
|
|
|
static void
|
|
follow_url(struct session *ses, struct uri *uri, char *target,
|
|
enum task_type task, cache_mode_T cache_mode, int referrer)
|
|
{
|
|
#ifdef CONFIG_SCRIPTING
|
|
static int follow_url_event_id = EVENT_NONE;
|
|
char *uristring;
|
|
|
|
uristring = uri && !uri->post ? get_uri_string(uri, URI_BASE_FRAGMENT)
|
|
: NULL;
|
|
|
|
/* Do nothing if we do not have a URI or if it is a POST request
|
|
* because scripts can corrupt POST requests leading to bad
|
|
* things happening later on. */
|
|
if (!uristring) {
|
|
do_follow_url(ses, uri, target, task, cache_mode, referrer);
|
|
return;
|
|
}
|
|
|
|
set_event_id(follow_url_event_id, "follow-url");
|
|
trigger_event(follow_url_event_id, &uristring, ses);
|
|
|
|
if (!uristring || !*uristring) {
|
|
mem_free_if(uristring);
|
|
return;
|
|
}
|
|
|
|
/* FIXME: Compare if uristring and struri(uri) are equal */
|
|
/* FIXME: When uri->post will no longer be an encoded string (but
|
|
* hopefully some refcounted object) we will have to assign the post
|
|
* data object to the translated URI. */
|
|
uri = get_translated_uri(uristring, ses->tab->term->cwd);
|
|
mem_free(uristring);
|
|
#endif
|
|
|
|
do_follow_url(ses, uri, target, task, cache_mode, referrer);
|
|
|
|
#ifdef CONFIG_SCRIPTING
|
|
if (uri) done_uri(uri);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
goto_uri(struct session *ses, struct uri *uri)
|
|
{
|
|
follow_url(ses, uri, NULL, TASK_FORWARD, CACHE_MODE_NORMAL, 0);
|
|
}
|
|
|
|
void
|
|
goto_uri_frame(struct session *ses, struct uri *uri,
|
|
char *target, cache_mode_T cache_mode)
|
|
{
|
|
follow_url(ses, uri, target, TASK_FORWARD, cache_mode, 1);
|
|
}
|
|
|
|
void
|
|
delayed_goto_uri_frame(void *data)
|
|
{
|
|
struct delayed_open *deo = (struct delayed_open *)data;
|
|
struct frame *frame;
|
|
|
|
assert(deo);
|
|
frame = deo->target ? ses_find_frame(deo->ses, deo->target) : NULL;
|
|
if (frame)
|
|
goto_uri_frame(deo->ses, deo->uri, frame->name, CACHE_MODE_NORMAL);
|
|
else {
|
|
goto_uri_frame(deo->ses, deo->uri, NULL, CACHE_MODE_NORMAL);
|
|
}
|
|
done_uri(deo->uri);
|
|
mem_free_if(deo->target);
|
|
mem_free(deo);
|
|
}
|
|
|
|
/* menu_func_T */
|
|
void
|
|
map_selected(struct terminal *term, void *ld_, void *ses_)
|
|
{
|
|
struct link_def *ld = (struct link_def *)ld_;
|
|
struct session *ses = (struct session *)ses_;
|
|
struct uri *uri = get_uri(ld->link, URI_NONE);
|
|
|
|
goto_uri_frame(ses, uri, ld->target, CACHE_MODE_NORMAL);
|
|
if (uri) done_uri(uri);
|
|
}
|
|
|
|
|
|
void
|
|
goto_url(struct session *ses, char *url)
|
|
{
|
|
struct uri *uri = get_uri(url, URI_NONE);
|
|
|
|
goto_uri(ses, uri);
|
|
if (uri) done_uri(uri);
|
|
}
|
|
|
|
struct uri *
|
|
get_hooked_uri(const char *uristring_, struct session *ses, char *cwd)
|
|
{
|
|
struct uri *uri;
|
|
char *uristring = stracpy(uristring_);
|
|
|
|
#if defined(CONFIG_SCRIPTING) || defined(CONFIG_URI_REWRITE)
|
|
static int goto_url_event_id = EVENT_NONE;
|
|
|
|
if (!uristring) return NULL;
|
|
|
|
set_event_id(goto_url_event_id, "goto-url");
|
|
trigger_event(goto_url_event_id, &uristring, ses);
|
|
if (!uristring) return NULL;
|
|
#endif
|
|
|
|
uri = *uristring ? get_translated_uri(uristring, cwd) : NULL;
|
|
|
|
mem_free(uristring);
|
|
return uri;
|
|
}
|
|
|
|
void
|
|
goto_url_with_hook(struct session *ses, const char *url)
|
|
{
|
|
char *cwd = ses->tab->term->cwd;
|
|
struct uri *uri;
|
|
|
|
/* Bail out if passed empty string from goto-url dialog */
|
|
if (!*url) return;
|
|
|
|
uri = get_hooked_uri(url, ses, cwd);
|
|
if (!uri) return;
|
|
|
|
goto_uri(ses, uri);
|
|
|
|
done_uri(uri);
|
|
}
|
|
|
|
int
|
|
goto_url_home(struct session *ses)
|
|
{
|
|
const char *homepage = get_opt_str("ui.sessions.homepage", ses);
|
|
|
|
if (!*homepage) homepage = getenv("WWW_HOME");
|
|
if (!homepage || !*homepage) homepage = WWW_HOME_URL;
|
|
|
|
if (!homepage || !*homepage) return 0;
|
|
|
|
goto_url_with_hook(ses, homepage);
|
|
return 1;
|
|
}
|
|
|
|
/* TODO: Should there be goto_imgmap_reload() ? */
|
|
|
|
void
|
|
goto_imgmap(struct session *ses, struct uri *uri, char *target)
|
|
{
|
|
follow_url(ses, uri, target, TASK_IMGMAP, CACHE_MODE_NORMAL, 1);
|
|
}
|