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<h3 align="center"><img width="150" alt="HiTIDE logo" src="./doc/logo.png"></h3>
<h3 align="center">Puter Terminal Emulator</h3>
<p align="center">
<a href="https://puter.com/app/terminal"><strong>« LIVE DEMO »</strong></a>
<br />
<br />
<a href="https://puter.com">Puter.com</a>
·
<a href="https://discord.com/invite/PQcx7Teh8u">Discord</a>
·
<a href="https://reddit.com/r/puter">Reddit</a>
·
<a href="https://twitter.com/HeyPuter">X (Twitter)</a>
</p>
<h3 align="center"><img alt="animated demo" src="./doc/readme-gif.gif">
</h3>
<hr>
This is a [Puter](https://puter.com)-compatible pure-javascript terminal emulator
built on [xtermjs](https://xtermjs.org/).
It integrates with an external shell provider.
We develop and test the terminal emulator alongside [Puter's shell: phoenix](https://github.com/HeyPuter/phoenix).
## The Terminal as a Whole
This terminal emulator alongside `phoenix` give you an AGPL-3.0-licensed pure-javascript
terminal experience which integrates with Puter's filesystem, AI services, and more.
Here are a few examples of what you can do:
- `ai "write me a story"`
- `txt2img "a blue computer on a cloud" > puter.png`
- `neofetch`
- `echo $(echo "command substitution")`
- `cat example.txt | grep "find me"`
- `cat example.json | jq "name"`
## Quickstart
**Note:** we've released Puter's terminal and shell very recently, so you may
run into some hurdles.
If you encounter any inconvenience we'd greatly appreciate
[an issue report](https://github.com/HeyPuter/terminal/issues/new).
The terminal emulator needs a shell to communicate with.
You can run it with Puter's shell, [phoenix](https://github.com/HeyPuter/phoenix).
1. Clone `phoenix` as a sibling directory to this repo, to get a directory
structure like the following:
```
my-puter-repos/
terminal/
phoenix/
```
2. Ensure you've run `npm install` in both repos
3. Install `dev-runner`
```
npm install -g @heyputer/dev-runner
```
4. While `cd`'d into this repo, run `run-phoenix-http.json5`
```
dev-runner ./run-phoenix-http.json5
```
5. Navigate to [http://127.0.0.1:8082](http://127.0.0.1:8082),
and use the `login` command to access files on puter.com.
**Note:** You will need to ensure the login popup is allowed.
If you choose to allow it _after_ the popup was blocked,
it will break; you need to allow always and then reload.

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="__SDK_URL__"></script>
<link rel="stylesheet" href="xterm.css">
<link rel="stylesheet" href="normalize.css">
<link rel="stylesheet" href="style.css">
<script src="config.js"></script>
<script src="bundle.js"></script>
<script>
document.addEventListener('DOMContentLoaded', async () => {
main_term();
});
</script>
</head>
<body>
</body>
</html>

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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
/* Document
========================================================================== */
/**
* 1. Correct the line height in all browsers.
* 2. Prevent adjustments of font size after orientation changes in iOS.
*/
html {
line-height: 1.15; /* 1 */
-webkit-text-size-adjust: 100%; /* 2 */
}
/* Sections
========================================================================== */
/**
* Remove the margin in all browsers.
*/
body {
margin: 0;
}
/**
* Render the `main` element consistently in IE.
*/
main {
display: block;
}
/**
* Correct the font size and margin on `h1` elements within `section` and
* `article` contexts in Chrome, Firefox, and Safari.
*/
h1 {
font-size: 2em;
margin: 0.67em 0;
}
/* Grouping content
========================================================================== */
/**
* 1. Add the correct box sizing in Firefox.
* 2. Show the overflow in Edge and IE.
*/
hr {
box-sizing: content-box; /* 1 */
height: 0; /* 1 */
overflow: visible; /* 2 */
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
pre {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/* Text-level semantics
========================================================================== */
/**
* Remove the gray background on active links in IE 10.
*/
a {
background-color: transparent;
}
/**
* 1. Remove the bottom border in Chrome 57-
* 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
*/
abbr[title] {
border-bottom: none; /* 1 */
text-decoration: underline; /* 2 */
text-decoration: underline dotted; /* 2 */
}
/**
* Add the correct font weight in Chrome, Edge, and Safari.
*/
b,
strong {
font-weight: bolder;
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
code,
kbd,
samp {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/**
* Add the correct font size in all browsers.
*/
small {
font-size: 80%;
}
/**
* Prevent `sub` and `sup` elements from affecting the line height in
* all browsers.
*/
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sub {
bottom: -0.25em;
}
sup {
top: -0.5em;
}
/* Embedded content
========================================================================== */
/**
* Remove the border on images inside links in IE 10.
*/
img {
border-style: none;
}
/* Forms
========================================================================== */
/**
* 1. Change the font styles in all browsers.
* 2. Remove the margin in Firefox and Safari.
*/
button,
input,
optgroup,
select,
textarea {
font-family: inherit; /* 1 */
font-size: 100%; /* 1 */
line-height: 1.15; /* 1 */
margin: 0; /* 2 */
}
/**
* Show the overflow in IE.
* 1. Show the overflow in Edge.
*/
button,
input { /* 1 */
overflow: visible;
}
/**
* Remove the inheritance of text transform in Edge, Firefox, and IE.
* 1. Remove the inheritance of text transform in Firefox.
*/
button,
select { /* 1 */
text-transform: none;
}
/**
* Correct the inability to style clickable types in iOS and Safari.
*/
button,
[type="button"],
[type="reset"],
[type="submit"] {
-webkit-appearance: button;
}
/**
* Remove the inner border and padding in Firefox.
*/
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
border-style: none;
padding: 0;
}
/**
* Restore the focus styles unset by the previous rule.
*/
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
outline: 1px dotted ButtonText;
}
/**
* Correct the padding in Firefox.
*/
fieldset {
padding: 0.35em 0.75em 0.625em;
}
/**
* 1. Correct the text wrapping in Edge and IE.
* 2. Correct the color inheritance from `fieldset` elements in IE.
* 3. Remove the padding so developers are not caught out when they zero out
* `fieldset` elements in all browsers.
*/
legend {
box-sizing: border-box; /* 1 */
color: inherit; /* 2 */
display: table; /* 1 */
max-width: 100%; /* 1 */
padding: 0; /* 3 */
white-space: normal; /* 1 */
}
/**
* Add the correct vertical alignment in Chrome, Firefox, and Opera.
*/
progress {
vertical-align: baseline;
}
/**
* Remove the default vertical scrollbar in IE 10+.
*/
textarea {
overflow: auto;
}
/**
* 1. Add the correct box sizing in IE 10.
* 2. Remove the padding in IE 10.
*/
[type="checkbox"],
[type="radio"] {
box-sizing: border-box; /* 1 */
padding: 0; /* 2 */
}
/**
* Correct the cursor style of increment and decrement buttons in Chrome.
*/
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
height: auto;
}
/**
* 1. Correct the odd appearance in Chrome and Safari.
* 2. Correct the outline style in Safari.
*/
[type="search"] {
-webkit-appearance: textfield; /* 1 */
outline-offset: -2px; /* 2 */
}
/**
* Remove the inner padding in Chrome and Safari on macOS.
*/
[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
/**
* 1. Correct the inability to style clickable types in iOS and Safari.
* 2. Change font properties to `inherit` in Safari.
*/
::-webkit-file-upload-button {
-webkit-appearance: button; /* 1 */
font: inherit; /* 2 */
}
/* Interactive
========================================================================== */
/*
* Add the correct display in Edge, IE 10+, and Firefox.
*/
details {
display: block;
}
/*
* Add the correct display in all browsers.
*/
summary {
display: list-item;
}
/* Misc
========================================================================== */
/**
* Add the correct display in IE 10+.
*/
template {
display: none;
}
/**
* Add the correct display in IE 10.
*/
[hidden] {
display: none;
}

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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
BODY {
background-color: #000000;
display: flex;
flex-direction: column;
height: 100vh;
padding: 0;
margin: 0;
overflow-y: hidden;
}
#terminal {
/* flex-grow: 1; */
height: 100vh;
overflow-y: hidden;
padding: 5px;
}
/* hide ugly scrollbar on windows */
.xterm-viewport::-webkit-scrollbar{
display: none;
}
#cross-document-container {
display: none;
}

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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
globalThis.__CONFIG__ = {
"origin": "http://127.0.0.1:8082",
"sdk_url": "http://puter.localhost:4100/sdk/puter.js",
};

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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
globalThis.__CONFIG__ = {
"origin": "https://puter.sh",
"sdk_url": "https://puter.com/puter.js/v2",
};

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Copyright (C) 2024 Puter Technologies Inc.
This file is part of Puter's Terminal.
Puter's Terminal is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.

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{
cert: '/var/puter/credentials/puter.local/cert.pem',
key: '/var/puter/credentials/puter.local/key.pem',
}

26
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{
"ignore": ["**/!(*.js|*.css)"],
"license": "doc/license_header.txt",
"licenseFormats": {
"js": {
"prepend": "/*",
"append": " */",
"eachLine": {
"prepend": " * "
}
},
"dotfile|^Dockerfile": {
"eachLine": {
"prepend": "# "
}
},
"css": {
"prepend": "/*",
"append": " */",
"eachLine": {
"prepend": " * "
}
}
},
"trailingWhitespace": "TRIM"
}

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{
"name": "@putersh/terminal-emulator",
"version": "0.0.0",
"description": "ANSI Terminal for Puter",
"main": "exports.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "Puter Technologies Inc.",
"license": "AGPL-3.0-only",
"type": "module",
"devDependencies": {
"@rollup/plugin-commonjs": "^24.1.0",
"@rollup/plugin-node-resolve": "^15.0.2",
"@rollup/plugin-replace": "^5.0.2",
"http-server": "^14.1.1",
"mocha": "^10.2.0",
"rollup": "^3.21.4",
"rollup-plugin-copy": "^3.4.0"
},
"dependencies": {
"xterm": "^5.3.0",
"xterm-addon-fit": "^0.7.0"
}
}

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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { nodeResolve } from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs';
import copy from 'rollup-plugin-copy';
const configFile = process.env.CONFIG_FILE ?? 'config/dev.js';
await import(`./${configFile}`);
export default {
input: "src/main.js",
output: {
file: "dist/bundle.js",
format: "iife"
},
plugins: [
nodeResolve(),
commonjs(),
copy({
targets: [
{
src: 'assets/index.html',
dest: 'dist',
transform: (contents, name) => {
return contents.toString().replace('__SDK_URL__', globalThis.__CONFIG__.sdk_url);
}
},
{ src: 'assets/shell.html', dest: 'dist' },
{ src: 'assets/normalize.css', dest: 'dist' },
{ src: 'assets/style.css', dest: 'dist' },
{ src: 'node_modules/xterm/css/xterm.css', dest: 'dist' },
{ src: configFile, dest: 'dist', rename: 'config.js' }
]
}),
]
}

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{
services: [
{
name: 'term.http',
pwd: './dist',
command: 'npx http-server -p 8082',
},
{
name: 'term.rollup',
pwd: '.',
command: 'npx rollup -c rollup.config.js --watch',
},
]
}

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{
services: [
{
name: 'term.http',
pwd: './dist',
command: 'npx http-server -p 8082 -S -C "{cert}" -K "{key}"',
},
{
name: 'term.rollup',
pwd: '.',
command: 'npx rollup -c rollup.config.js --watch',
},
]
}

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{
init: [
{
pwd: '.',
command: 'npx rollup -c rollup.config.js'
},
{
pwd: '../phoenix',
command: 'npx rollup -c rollup.config.js'
},
],
services: [
{
name: 'term.rollup',
pwd: '.',
command: 'npx rollup -c rollup.config.js --watch',
},
{
name: 'shell.rollup',
command: 'npx rollup -c rollup.config.js --watch',
pwd: '../phoenix'
},
{
name: 'term.http',
pwd: './dist',
command: 'npx http-server -p 8082 -c-1',
},
{
name: 'shell.http',
pwd: '../phoenix/dist',
// command: 'npx http-server -p 8080 -S -C "{cert}" -K "{key}"',
command: 'npx http-server -p 8080 -c-1',
},
],
}

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{
services: [
{
name: 'term.http',
pwd: './dist',
command: 'npx http-server -p 8082 -S -C "{cert}" -K "{key}"',
},
{
name: 'ansi.http',
pwd: '../phoenix/dist',
command: 'npx http-server -p 8080 -S -C "{cert}" -K "{key}"',
},
{
name: 'term.rollup',
command: 'npx rollup -c rollup.config.js --watch',
pwd: '.'
},
{
name: 'ansi.rollup',
command: 'npx rollup -c rollup.config.js --watch',
pwd: '../phoenix'
},
]
}

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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { Terminal } from 'xterm';
import { FitAddon } from 'xterm-addon-fit';
import { PTY } from './pty/PTY';
import { XDocumentANSIShell } from './pty/XDocumentANSIShell';
class XTermIO {
constructor ({ term, pty }) {
this.term = term;
this.pty = pty;
}
bind () {
this.term.onKey(this.handleKey.bind(this));
this.term.attachCustomKeyEventHandler(this.handleKeyBeforeProcess.bind(this));
(async () => {
for ( ;; ) {
const chunk = (await this.pty.in.read()).value;
this.term.write(chunk);
}
})();
}
async handleKeyBeforeProcess (evt) {
console.log(
'right this event might be up or down so it\'s necessary to determine which',
evt,
);
if ( evt.key === 'V' && evt.ctrlKey && evt.shiftKey && evt.type === 'keydown' ) {
const clipboard = navigator.clipboard;
const text = await clipboard.readText();
console.log(
'this is the relevant text for this thing that is the thing that is the one that is here',
text,
);
this.pty.out.write(text);
}
}
handleKey ({ key, domEvent }) {
console.log(
'key event happened',
key,
domEvent,
);
const pty = this.pty;
const handlers = {
Enter: () => {
pty.out.write('\n');
},
// Backspace: () => {
// pty.out.write('\x08');
// },
// Delete: () => {
// pty.out.write('\x1B[3~');
// },
Home: () => {
pty.out.write('\x1B[H');
},
End: () => {
pty.out.write('\x1B[F');
}
}
if ( handlers.hasOwnProperty(domEvent.key) ) {
const writeKey = handlers[domEvent.key]();
if ( ! writeKey ) return;
}
pty.out.write(key);
}
}
const TRUSTED_ORIGINS = [
'https://puter.com',
'https://github.com',
];
/*
* Replaces xterm.js's default link handler to avoid warning users when we link
* to trusted origins.
*/
const linkHandler = {};
linkHandler.activate = (e, url) => {
// check for trusted origins
const uri = new URL(url);
if ( ! TRUSTED_ORIGINS.includes(uri.origin) ) {
const answer = confirm(`Do you want to navigate to ${uri}?\n\nWARNING: This link could potentially be dangerous`);
if ( ! answer ) return;
}
const newWindow = window.open();
if ( ! newWindow ) {
console.warn('Opening link blocked as opener could not be cleared');
return;
}
try {
newWindow.opener = null;
} catch {
// no-op, Electron can throw
}
newWindow.document.write('Redirecting from Puter Terminal...');
newWindow.location.href = uri;
}
window.main_term = async () => {
const pty = new PTY();
const ptt = pty.getPTT();
const shell = new XDocumentANSIShell({
ptt
});
const phoenix = await puter.ui.launchApp('phoenix');
shell.attachToApp(phoenix);
// Close the shell when we exit
puter.ui.onWindowClose(() => {
phoenix.close();
puter.exit();
});
const termEl = document.createElement('div');
termEl.id = 'terminal';
document.body.append(termEl);
const term = new Terminal({
linkHandler,
});
term.open(document.getElementById('terminal'));
const fitAddon = new FitAddon();
term.loadAddon(fitAddon);
term.onResize(evt => {
shell.resize(evt);
});
fitAddon.fit();
const termObserver = new ResizeObserver(() => {
fitAddon.fit();
});
termObserver.observe(termEl);
const ioController = new XTermIO({ term, pty });
ioController.bind();
term.focus();
};

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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**
* PTT: pseudo-terminal target; called "slave" in POSIX
*/
export class PTT {
constructor(pty) {
this.readableStream = new ReadableStream({
start: controller => {
this.readController = controller;
}
});
this.writableStream = new WritableStream({
start: controller => {
this.writeController = controller;
},
write: chunk => {
if (typeof chunk === 'string') {
chunk = encoder.encode(chunk);
}
if ( pty.outputModeflags?.outputNLCR ) {
chunk = pty.LF_to_CRLF(chunk);
}
pty.readController.enqueue(chunk);
}
});
this.out = this.writableStream.getWriter();
this.in = this.readableStream.getReader();
}
}

83
packages/terminal/src/pty/PTY.js Normal file
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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { PTT } from "./PTT";
const encoder = new TextEncoder();
/**
* PTY: pseudo-terminal
*
* This implements the PTY device driver.
*/
export class PTY {
constructor () {
this.outputModeflags = {
outputNLCR: true
};
this.readableStream = new ReadableStream({
start: controller => {
this.readController = controller;
}
});
this.writableStream = new WritableStream({
start: controller => {
this.writeController = controller;
},
write: chunk => {
if ( typeof chunk === 'string' ) {
chunk = encoder.encode(chunk);
}
for ( const target of this.targets ) {
target.readController.enqueue(chunk);
}
}
});
this.out = this.writableStream.getWriter();
this.in = this.readableStream.getReader();
this.targets = [];
}
getPTT () {
const target = new PTT(this);
this.targets.push(target);
return target;
}
LF_to_CRLF (input) {
let lfCount = 0;
for (let i = 0; i < input.length; i++) {
if (input[i] === 0x0A) {
lfCount++;
}
}
const output = new Uint8Array(input.length + lfCount);
let outputIndex = 0;
for (let i = 0; i < input.length; i++) {
// If LF is encountered, insert CR (0x0D) before LF (0x0A)
if (input[i] === 0x0A) {
output[outputIndex++] = 0x0D;
}
output[outputIndex++] = input[i];
}
return output;
}
}

87
packages/terminal/src/pty/XDocumentANSIShell.js Normal file
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/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter's Terminal.
*
* Puter's Terminal is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
export class XDocumentANSIShell {
constructor (params) {
this.internal_ = {};
for ( const k in params ) this.internal_[k] = params[k];
}
attachToApp (shell) {
this.internal_.shell = shell;
const ptt = this.internal_.ptt;
shell.on('message', message => {
// When the shell reports it's ready, send configuration
if (message.$ === 'ready') {
const params = Object.fromEntries(
new URLSearchParams(window.location.search)
.entries()
);
shell.postMessage({
$: 'config',
source: params['puter.api_origin'] ??
( params['puter.domain']
? `https://api.${params['puter.domain']}/`
: 'https://api.puter.com/' ),
...params
});
const savedSize = this.internal_.windowSize;
if (savedSize) {
shell.postMessage({
$: 'ioctl.set',
windowSize: savedSize,
});
}
return;
}
if (message.$ === 'output') {
ptt.out.write(message.data);
return;
}
});
shell.on('close', () => {
const errorMessage = '\n\n\x1b[31;1mConnection lost with shell!\x1b[0m\n';
const errorArray = new TextEncoder().encode(errorMessage);
ptt.out.write(errorArray);
});
(async () => {
for ( ;; ) {
const chunk = (await ptt.in.read()).value;
shell.postMessage({
$: 'input',
data: chunk,
});
}
})();
}
resize (windowSize) {
const shell = this.internal_.shell;
this.internal_.windowSize = windowSize;
shell.postMessage({
$: 'ioctl.set',
windowSize,
});
}
}

12
packages/terminal/src/pty/package.json Normal file
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{
"name": "dev-pty",
"version": "0.0.0",
"description": "",
"main": "exports.js",
"type": "module",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "Puter Technologies Inc.",
"license": "UNLICENSED"
}