tyler.durden
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cockpit-navigator
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use proper Promise syntax instead of hacky awaits

This commit is contained in:
joshuaboud 2021-06-07 10:50:59 -03:00
parent 42711e0166
commit d5ec087874
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GPG Key ID: 17EFB59E2A8BF50E
1 changed files with 296 additions and 153 deletions
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261
navigator/navigator.js
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@ -284,26 +284,35 @@ class NavEntry {
/**
*
* @param {number} new_perms
* @returns {Promise<void>}
*/
async chmod(new_perms) {
chmod(new_perms) {
return new Promise((resolve, reject) => {
var proc = cockpit.spawn(
["chmod", (new_perms & 0o777).toString(8), this.path_str()],
{superuser: "try", err: "out"}
);
proc.fail((e, data) => {
window.alert(data);
proc.done((data) => {
resolve();
});
proc.fail((e, data) => {
reject(data);
});
});
await proc;
}
/**
*
* @param {string} new_owner
* @param {string} new_group
* @returns {Promise<void>}
*/
async chown(new_owner, new_group) {
if (!new_owner && !new_group)
chown(new_owner, new_group) {
return new Promise((resolve, reject) => {
if (!new_owner && !new_group) {
resolve();
return;
}
var cmd = "";
var arg = "";
if (new_group && !new_owner) {
@ -319,25 +328,33 @@ class NavEntry {
[cmd, arg, this.path_str()],
{superuser: "try", err: "out"}
);
proc.fail((e, data) => {
window.alert(data);
proc.done((data) => {
resolve();
});
proc.fail((e, data) => {
reject(data);
});
});
await proc;
}
/**
*
* @param {string} new_path
* @returns {Promise<void>}
*/
async mv(new_path) {
mv(new_path) {
return new Promise((resolve, reject) => {
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);
proc.done((data) => {
resolve();
});
proc.fail((e, data) => {
reject(data);
});
});
await proc;
}
/**
@ -422,25 +439,34 @@ class NavFile extends NavEntry {
super.handleEvent(e);
}
async rm() {
/**
*
* @returns {Promise<void>}
*/
rm() {
return new Promise((resolve, reject) => {
var proc = cockpit.spawn(
["rm", "-f", this.path_str()],
{superuser: "try", err: "out"}
);
proc.fail((e, data) => {
window.alert(data);
proc.done((data) => {
resolve();
});
proc.fail((e, data) => {
reject(data);
});
});
await proc;
}
async open() {
var proc_output = await cockpit.spawn(["file", "--mime-type", this.path_str()], {superuser: "try"});
var fields = proc_output.split(':');
var fields = proc_output.split(/:(?=[^:]+$)/); // ensure it's the last : with lookahead
var type = fields[1].trim();
if ((/^text/.test(type) || /^inode\/x-empty$/.test(type) || this.stat["size"] === 0)) {
this.show_edit_file_contents();
} else {
console.log("Unknown mimetype: " + type);
if (window.confirm("Can't open " + this.filename() + " for editing. Download?")) {
var download = new NavDownloader(this);
download.download();
@ -609,10 +635,9 @@ class NavDir extends NavEntry {
/**
*
* @param {NavWindow} nav_window_ref
* @param {boolean} no_alert
* @returns {Promise<NavEntry[]>}
*/
get_children(nav_window_ref, no_alert = false) {
get_children(nav_window_ref) {
return new Promise(async (resolve, reject) => {
var children = [];
var proc = cockpit.spawn(
@ -620,11 +645,15 @@ class NavDir extends NavEntry {
{err:"out", superuser: "try"}
);
proc.fail((e, data) => {
if(!no_alert)
window.alert(data);
reject(e);
reject(data);
});
var data = await proc;
var data;
try {
data = await proc;
} catch(e) {
reject(e);
return;
}
var response = JSON.parse(data);
this.stat = response["."]["stat"];
var entries = response["children"];
@ -651,30 +680,46 @@ class NavDir extends NavEntry {
});
}
async rm() {
/**
*
* @returns {Promise<void>}
*/
rm() {
return new Promise(async (resolve, reject) => {
var proc = cockpit.spawn(
["rmdir", this.path_str()],
{superuser: "try", err: "out"}
);
proc.fail((e, data) => {cannot
console.log(data);
proc.done((data) => {
resolve();
});
proc.fail((e, data) => {
if (/^rmdir: failed to remove .*: Directory not empty\n?$/.test(data)) {
if (window.confirm("WARNING: '" + this.path_str() + "' is not empty. Delete recursively? This can NOT be undone.")) {
this.rm_recursive();
this.rm_recursive(resolve, reject);
}
} else {
window.alert(data);
reject(data);
}
});
});
}
async rm_recursive() {
/**
*
* @param {Function} resolve
* @param {Function} reject
*/
rm_recursive(resolve, reject) {
var proc = cockpit.spawn(
["rm", "-rf", this.path_str()],
{superuser: "try", err: "out"}
);
proc.done((data) => {
resolve();
});
proc.fail((e, data) => {
window.alert(data);
reject(data);
});
}
@ -760,15 +805,23 @@ class NavDirLink extends NavDir{
this.dom_element.nav_item_title.style.fontStyle = "italic";
}
async rm() {
/**
*
* @returns {Promise<void>}
*/
rm() {
return new Promise((resolve, reject) => {
var proc = cockpit.spawn(
["rm", "-f", this.path_str()],
{superuser: "try", err: "out"}
);
proc.done((data) => {
resolve();
})
proc.fail((e, data) => {
window.alert(data);
reject(data);
});
});
await proc;
}
show_properties() {
@ -844,7 +897,7 @@ class NavContextMenu {
this.nav_window_ref.paste();
}
rename() {
async rename() {
this.hide();
var new_name = window.prompt("New Name: ", this.target.filename());
if (new_name === null)
@ -853,7 +906,12 @@ class NavContextMenu {
window.alert("File name can't contain `/`.");
return;
}
this.target.mv(new_name);
try {
await this.target.mv(new_name);
} catch(e) {
window.alert(e);
return;
}
this.nav_window_ref.refresh();
}
@ -886,7 +944,9 @@ class NavContextMenu {
try {
result = await this.zip_for_download();
} catch(e) {
this.nav_window_ref.stop_load();
window.alert(e.message);
return;
}
this.nav_window_ref.stop_load();
download_target = new NavFile(result["archive-path"], result["stat"], this.nav_window_ref);
@ -1202,6 +1262,8 @@ class NavWindow {
var files = await this.pwd().get_children(this);
} catch(e) {
this.up();
window.alert(e);
return;
}
while (this.entries.length) {
var entry = this.entries.pop();
@ -1460,10 +1522,18 @@ class NavWindow {
new_owner !== entry.stat["owner"] ||
new_group !== entry.stat["group"]
) {
await entry.chown(new_owner, new_group).catch(/*ignore, caught in chown*/);
try {
await entry.chown(new_owner, new_group);
} catch(e) {
window.alert(e);
}
}
if (this.changed_mode && (new_perms & 0o777) !== (entry.stat["mode"] & 0o777)) {
await entry.chmod(new_perms).catch(/*ignore, caught in chmod*/);
try {
await entry.chmod(new_perms);
} catch(e) {
window.alert(e);
}
}
}
this.refresh();
@ -1481,7 +1551,11 @@ class NavWindow {
return;
}
for (let target of this.selected_entries) {
await target.rm().catch(/*ignore, caught in rm*/);
try {
await target.rm();
} catch(e) {
window.alert(e);
}
}
this.refresh();
}
@ -1494,14 +1568,23 @@ class NavWindow {
window.alert("Directory name can't contain `/`.");
return;
}
var promise = new Promise((resolve, reject) => {
var proc = cockpit.spawn(
["mkdir", this.pwd().path_str() + "/" + new_dir_name],
{superuser: "try", err: "out"}
);
proc.fail((e, data) => {
window.alert(data);
proc.done((data) => {
resolve();
});
await proc;
proc.fail((e, data) => {
reject(data);
});
});
try {
await promise;
} catch(e) {
window.alert(e);
}
this.refresh();
}
@ -1513,14 +1596,23 @@ class NavWindow {
window.alert("File name can't contain `/`.");
return;
}
var promise = new Promise((resolve, reject) => {
var proc = cockpit.spawn(
["/usr/share/cockpit/navigator/scripts/touch.py", this.pwd().path_str() + "/" + new_file_name],
{superuser: "try", err: "out"}
);
proc.fail((e, data) => {
window.alert(data);
proc.done((data) => {
resolve();
});
await proc;
proc.fail((e, data) => {
reject(data);
});
});
try {
await promise;
} catch(e) {
window.alert(e);
}
this.refresh();
}
@ -1536,14 +1628,23 @@ class NavWindow {
return;
}
var link_path = this.pwd().path_str() + "/" + link_name;
var promise = new Promise((resolve, reject) => {
var proc = cockpit.spawn(
["ln", "-sn", link_target, link_path],
{superuser: "try", err: "out"}
);
proc.fail((e, data) => {
window.alert(data);
proc.done((data) => {
resolve();
});
await proc;
proc.fail((e, data) => {
reject(data);
});
});
try {
await promise;
} catch(e) {
window.alert(e);
}
this.refresh();
}
@ -1579,6 +1680,7 @@ class NavWindow {
cmd.push(item.path_str());
}
cmd.push(dest);
var promise = new Promise((resolve, reject) => {
var proc = cockpit.spawn(
cmd,
{superuser: "try", err: "ignore"}
@ -1592,13 +1694,20 @@ class NavWindow {
window.alert(payload["message"]);
}
});
proc.fail((e, data) => {
window.alert("Paste failed.");
proc.done((data) => {
resolve();
});
proc.always(() => {
proc.fail((e, data) => {
reject("Paste failed.");
});
});
try {
await promise;
} catch(e) {
window.alert(e);
}
this.stop_load();
this.refresh();
});
}
/**
@ -1633,10 +1742,12 @@ class NavWindow {
return;
this.nav_bar_last_parent_path_str = parent_path_str;
var parent_dir = new NavDir(parent_path_str);
var error = false;
var objs = await parent_dir.get_children(this, true).catch(() => {error = true});
if(error)
var objs;
try {
objs = await parent_dir.get_children(this);
} catch(e) {
return;
}
objs = objs.filter((child) => {return child.nav_type === "dir"});
while(list.firstChild)
list.removeChild(list.firstChild);
@ -1681,13 +1792,27 @@ class NavWindow {
this.refresh();
}
async get_system_users() {
/**
*
* @returns {Promise<void>}
*/
get_system_users() {
return new Promise(async (resolve, reject) => {
var proc = cockpit.spawn(["getent", "passwd"], {err: "ignore", superuser: "try"});
proc.fail((e, data) => {
reject(data);
});
var list = document.getElementById("possible-owners");
while(list.firstChild) {
list.removeChild(list.firstChild);
}
var passwd = await proc;
var passwd;
try {
passwd = await proc;
} catch(e) {
reject(e);
return;
}
var passwd_entries = passwd.split("\n");
for (let entry of passwd_entries) {
var cols = entry.split(":");
@ -1696,15 +1821,31 @@ class NavWindow {
option.value = username;
list.appendChild(option);
}
resolve();
});
}
async get_system_groups() {
/**
*
* @returns {Promise<void>}
*/
get_system_groups() {
return new Promise(async (resolve, reject) => {
var proc = cockpit.spawn(["getent", "group"], {err: "ignore", superuser: "try"});
proc.fail((e, data) => {
reject(data);
});
var list = document.getElementById("possible-groups");
while(list.firstChild) {
list.removeChild(list.firstChild);
}
var group = await proc;
var group
try {
group = await proc;
} catch(e) {
reject(e);
return;
}
var group_entries = group.split("\n");
for (let entry of group_entries) {
var cols = entry.split(":");
@ -1713,6 +1854,8 @@ class NavWindow {
option.value = groupname;
list.appendChild(option);
}
resolve();
});
}
disable_buttons_for_editing() {