403 lines
13 KiB
JavaScript

function property_entry_html(key, value) {
var html = '<div class="nav-property-pair">';
html += '<span class="nav-property-pair-key">' + key + '</span>'
html += '<span class="nav-property-pair-value">' + value + '</span>'
html += '</div>'
return html;
}
function format_bytes(bytes) {
if(bytes === 0)
return "0 B";
var units = [" B", " KiB", " MiB", " GiB", " TiB", " PiB"];
var index = Math.min(Math.floor(Math.log(bytes) / Math.log(1024)), units.length - 1)
var pow = Math.pow(1024, index);
var formatted = bytes / pow;
return formatted.toFixed(2).toString() + units[index];
}
function format_time(timestamp) {
var date = new Date(timestamp * 1000);
return date.toLocaleString();
}
function format_permissions(/*int*/ mode) {
var bit_list = ["x", "w", "r"];
var result = "";
for(let bit = 8; bit >= 0; bit--){
var test_bit = 1 << bit;
var test_result = mode & test_bit;
if(test_result != 0){
result += bit_list[bit % bit_list.length];
}else{
result += "-";
}
}
return result;
}
class NavEntry {
constructor(/*string or array*/ path, /*dict*/ stat, /*NavWindow*/ nav_window_ref) {
this.nav_window_ref = nav_window_ref;
if(typeof path == 'string')
this.path = path.split('/').splice(1);
else
this.path = path;
this.dom_element = document.createElement("div");
this.dom_element.classList.add("nav-item");
let icon = this.dom_element.nav_item_icon = document.createElement("i");
icon.classList.add("nav-file-icon");
let title = this.dom_element.nav_item_title = document.createElement("div");
title.classList.add("nav-item-title");
title.innerText = this.filename();
this.dom_element.appendChild(icon);
this.dom_element.appendChild(title);
this.stat = stat;
this.dom_element.addEventListener("click", this)
}
handleEvent(e) {
switch(e.type){
case "click":
this.show_properties();
this.nav_window_ref.set_selected(this);
e.stopPropagation();
break;
}
}
destroy() {
while(this.dom_element.firstChild){
this.dom_element.removeChild(this.dom_element.firstChild);
}
if(this.dom_element.parentElement)
this.dom_element.parentElement.removeChild(this.dom_element);
}
filename() {
var name = this.path[this.path.length -1];
if(name === "")
name = "/";
return name;
}
path_str() {
return "/" + this.path.join('/');
}
show() {
document.getElementById("nav-contents-view").appendChild(this.dom_element);
}
get_properties() {
return this.stat;
}
get_permissions() {
return this.stat["mode"] & 0o777;
}
async chmod(/*int*/ new_perms) {
var proc = cockpit.spawn(
["chmod", (new_perms & 0o777).toString(8), this.path_str()],
{superuser: "try", err:"out"}
);
proc.fail((e, data) => {
window.alert(data);
});
await proc;
}
async chown(/*string*/ new_owner, /*string*/ new_group) {
var proc = cockpit.spawn(
["chown", [new_owner, new_group].join(":"), this.path_str()],
{superuser: "try", err:"out"}
);
proc.fail((e, data) => {
window.alert(data);
});
await proc;
}
async mv(/*string*/ new_path) {
var proc = cockpit.spawn(
["mv", "-n", this.path_str(), [this.nav_window_ref.pwd().path_str(), new_path].join('/')],
{superuser: "try", err:"out"}
);
proc.fail((e, data) => {
window.alert(data);
});
await proc;
}
show_properties(/*string*/ extra_properties = "") {
var selected_name_fields = document.getElementsByClassName("nav-info-column-filename");
for(let elem of selected_name_fields){
elem.innerText = this.filename();
}
var html = "";
html += property_entry_html("Mode", this.stat["mode-str"]);
html += property_entry_html("Owner", this.stat["owner"] + " (" + this.stat["uid"] + ")");
html += property_entry_html("Group", this.stat["group"] + " (" + this.stat["gid"] + ")");
html += property_entry_html("Size", format_bytes(this.stat["size"]));
html += property_entry_html("Accessed", format_time(this.stat["atime"]));
html += property_entry_html("Modified", format_time(this.stat["mtime"]));
html += property_entry_html("Created", format_time(this.stat["ctime"]));
html += extra_properties;
document.getElementById("nav-info-column-properties").innerHTML = html;
}
populate_edit_fields() {
document.getElementById("nav-edit-filename").value = this.filename();
var mode_bits = ["other-exec", "other-write", "other-read",
"group-exec", "group-write", "group-read",
"owner-exec", "owner-write", "owner-read"];
for(let i = 0; i < mode_bits.length; i++){
var bit_check = (1 << i);
var result = this.stat["mode"] & bit_check;
document.getElementById(mode_bits[i]).checked = (result != 0);
}
document.getElementById("nav-edit-owner").value = this.stat["owner"];
document.getElementById("nav-edit-group").value = this.stat["group"];
}
}
class NavFile extends NavEntry {
constructor(/*string or array*/ path, /*dict*/ stat, nav_window_ref) {
super(path, stat, nav_window_ref);
this.nav_type = "file";
this.dom_element.nav_item_icon.classList.add("fas", "fa-file");
}
handleEvent(e) {
super.handleEvent(e);
}
async rm() {
var proc = cockpit.spawn(
["rm", "-f", this.path_str()],
{superuser: "try", err:"out"}
);
proc.fail((e, data) => {
window.alert(data);
});
await proc;
}
}
class NavDir extends NavEntry {
constructor(/*string or array*/ path, /*dict*/ stat, nav_window_ref) {
super(path, stat, nav_window_ref);
this.nav_type = "dir";
this.dom_element.nav_item_icon.classList.add("fas", "fa-folder");
this.double_click = false;
/*
Sam:
add a method to NavDir that calls cephfs-dir-stats and call it here.
The function should save the results as a dictionary like the following:
this.cephfs_dir_stats = {key : "value", etc};
*/
}
handleEvent(e) {
switch(e.type){
case "click":
if(this.double_click)
this.nav_window_ref.cd(this);
else{ // single click
this.double_click = true;
if(this.timeout)
clearTimeout(this.timeout)
this.timeout = setTimeout(() => {
this.double_click = false;
}, 500);
}
break;
}
super.handleEvent(e);
}
async get_children(nav_window_ref) {
var children = [];
var data = await cockpit.spawn(["/usr/share/cockpit/navigator/scripts/ls.py", this.path_str()], {err:"ignore"});
var response = JSON.parse(data);
this.stat = response["."]["stat"];
var entries = response["children"];
entries.forEach(entry => {
var filename = entry["filename"];
var path = (this.path.length >= 1 && this.path[0]) ? [... this.path, filename] : [filename];
var stat = entry["stat"];
if(entry["isdir"])
children.push(new NavDir(path, stat, nav_window_ref));
else
children.push(new NavFile(path, stat, nav_window_ref));
});
children.sort((first, second) => {
if(first.nav_type === second.nav_type){
return first.filename().localeCompare(second.filename());
}
if(first.nav_type === "dir")
return -1;
return 1;
})
return children;
}
async rm() {
var proc = cockpit.spawn(
["rmdir", this.path_str()],
{superuser: "try", err:"out"}
);
proc.fail((e, data) => {
window.alert(data);
});
await proc;
}
show_properties() {
var extra_properties = "";
/*
Sam:
Follow NavEntry.show_properties() as an example to put the cephfs-dir-stats results
into extra_properties as html elements. If cephfs-dir-stats failed, i.e. it's not in a
ceph filesystem, make sure extra_properties is an empty string.
*/
super.show_properties(extra_properties);
}
}
class NavWindow {
constructor() {
this.path_stack = [new NavDir("/", this)];
this.selected_entry = this.pwd();
this.entries = [];
this.window = document.getElementById("nav-contents-view");
this.window.addEventListener("click", this);
}
handleEvent(e) {
switch(e.type){
case "click":
this.set_selected(this.pwd());
this.show_selected_properties();
break;
}
}
async refresh() {
var files = await this.pwd().get_children(this);
while(this.entries.length){
var entry = this.entries.pop();
entry.destroy();
}
files.forEach(file => {
file.show();
this.entries.push(file);
});
document.getElementById("pwd").innerText = this.pwd().path_str();
this.set_selected(this.pwd());
this.show_selected_properties();
}
pwd() {
return this.path_stack[this.path_stack.length - 1];
}
cd(new_dir) {
this.path_stack.push(new_dir);
this.refresh().catch(() => {
this.path_stack.pop();
this.refresh();
window.alert(new_dir.path_str() + " is inaccessible.");
});
}
up() {
if(this.path_stack.length > 1)
this.path_stack.pop();
this.refresh();
}
show_selected_properties() {
this.selected_entry.show_properties();
}
set_selected(/*NavEntry*/ entry) {
this.hide_edit_selected();
this.selected_entry.dom_element.classList.remove("nav-item-selected");
if(this.selected_entry.nav_type === "dir"){
this.selected_entry.dom_element.nav_item_icon.classList.remove("fa-folder-open");
this.selected_entry.dom_element.nav_item_icon.classList.add("fa-folder");
}
this.selected_entry = entry;
this.selected_entry.dom_element.classList.add("nav-item-selected");
if(this.selected_entry.nav_type === "dir"){
this.selected_entry.dom_element.nav_item_icon.classList.remove("fa-folder");
this.selected_entry.dom_element.nav_item_icon.classList.add("fa-folder-open");
}
}
show_edit_selected() {
var dangerous_dirs = [
"/", "/usr", "/bin", "/sbin", "/lib", "/lib32", "/lib64", "/usr/bin",
"/usr/include", "/usr/lib", "/usr/lib32", "/usr/lib64", "/usr/sbin"
];
if(dangerous_dirs.includes(this.selected_entry.path_str())){
if(!window.confirm("Warning: editing `" + this.selected_entry.path_str() + "` can be dangerous. Are you sure?")){
return;
}
}
this.selected_entry.populate_edit_fields();
this.update_permissions_preview();
document.getElementById("nav-edit-properties").style.display = "block";
document.getElementById("nav-show-properties").style.display = "none";
}
hide_edit_selected() {
document.getElementById("nav-show-properties").style.display = "block";
document.getElementById("nav-edit-properties").style.display = "none";
}
get_new_permissions() {
var category_list = ["other", "group", "owner"];
var action_list = ["exec", "write", "read"];
var result = 0;
var bit = 0;
for(let category of category_list){
for(let action of action_list){
if(document.getElementById(category + "-" + action).checked)
result |= 1 << bit;
bit++;
}
}
return result;
}
update_permissions_preview() {
var new_perms = this.get_new_permissions();
var text = format_permissions(new_perms);
text += " (" + (new_perms & 0o777).toString(8) + ")";
document.getElementById("nav-mode-preview").innerText = text;
}
async apply_edit_selected() {
// do mv last so the rest don't fail from not finding path
var new_owner = document.getElementById("nav-edit-owner").value;
var new_group = document.getElementById("nav-edit-group").value;
if(new_owner !== this.selected_entry.stat["owner"] || new_group !== this.selected_entry.stat["group"]){
await this.selected_entry.chown(new_owner, new_group).catch(/*ignore, caught in chown*/);
}
var new_perms = this.get_new_permissions();
if((new_perms & 0o777) !== (this.selected_entry.stat["mode"] & 0o777)){
await this.selected_entry.chmod(new_perms).catch(/*ignore, caught in chmod*/);
}
var new_name = document.getElementById("nav-edit-filename").value;
if(new_name !== this.selected_entry.filename()){
await this.selected_entry.mv(new_name).catch(/*ignore, caught in mv*/);
}
this.refresh();
this.hide_edit_selected();
}
async delete_selected() {
if(!window.confirm("Deleting `" + this.selected_entry.path_str() + "` cannot be undone. Are you sure?")){
return;
}
await this.selected_entry.rm().catch(/*ignore, caught in rm*/);
this.refresh();
}
}
let nav_window = new NavWindow();
function set_up_buttons() {
document.getElementById("nav-up-dir-btn").addEventListener("click", nav_window.up.bind(nav_window));
document.getElementById("nav-refresh-btn").addEventListener("click", nav_window.refresh.bind(nav_window));
document.getElementById("nav-delete-btn").addEventListener("click", nav_window.delete_selected.bind(nav_window));
document.getElementById("nav-edit-properties-btn").addEventListener("click", nav_window.show_edit_selected.bind(nav_window));
document.getElementById("nav-cancel-edit-btn").addEventListener("click", nav_window.hide_edit_selected.bind(nav_window));
document.getElementById("nav-apply-edit-btn").addEventListener("click", nav_window.apply_edit_selected.bind(nav_window));
var mode_checkboxes = document.getElementsByClassName("mode-checkbox");
for(let checkbox of mode_checkboxes){
checkbox.addEventListener("change", nav_window.update_permissions_preview.bind(nav_window));
}
}
async function main() {
await nav_window.refresh();
set_up_buttons();
}
main();