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96 lines
3.6 KiB
96 lines
3.6 KiB
2 years ago
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/*
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gochat - A dead simple real time webchat.
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Copyright (C) 2022 Kasyanov Nikolay Alexeyevich (Unbewohnte)
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This file is a part of gochat
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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let username = localStorage.getItem(LOCALSTORAGE_NAME_KEY);
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let secret_hash = localStorage.getItem(LOCALSTORAGE_PASSWORD_HASH_KEY);
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// check whether credentials are right or not
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areCredentialsValid({username:username, secret_hash:secret_hash})
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.then(valid => {
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if (valid === true) {
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// they are valid, connect as a websocket
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document.getElementById("logged_username").innerHTML = username;
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let socket = new WebSocket(`ws://${BACKEND_URL}/${API_WEBSOCKET_ENDPOINT}`);
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// send auth data right away, as API tells us to do
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socket.onopen = event => {
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console.log("Connected to the server");
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let auth_data = JSON.stringify({
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username: username,
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secret_hash: secret_hash,
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});
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socket.send(auth_data);
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}
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socket.onclose = event => {
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console.log("Closed connection: ", event);
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socket.close();
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let chatbox = document.getElementById("chatbox");
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chatbox.innerHTML += "Connection closed";
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chatbox.scrollTop = chatbox.scrollHeight;
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};
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// display it
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socket.onmessage = event => {
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let message = JSON.parse(event.data);
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let from_user = message.from.username;
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let constructed_message_to_display = `${from_user}: ${message.contents}` + "\n";
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let chatbox = document.getElementById("chatbox");
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chatbox.innerHTML += constructed_message_to_display;
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chatbox.scrollTop = chatbox.scrollHeight;
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}
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// make buttons do intended
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let send_button = document.getElementById("send_button");
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send_button.addEventListener("click", (event) => {
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let text_input = document.getElementById("text_input");
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socket.send(
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JSON.stringify({
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contents: String(text_input.value),
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}));
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text_input.value = "";
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text_input.focus();
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});
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let disconnect_button = document.getElementById("disconnect_button");
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disconnect_button.addEventListener("click", (event) => {
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socket.close();
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disconnect_button.value = "Reconnect";
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disconnect_button.addEventListener("click", (event) => {
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location.reload();
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})
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})
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// make message to be sent via pressing 'Enter' key
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document.addEventListener("keypress", (event) => {
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if (event.key == "Enter") {
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send_button.click();
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}
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})
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// and focus the text input so the user does not have to click it manually
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document.getElementById("text_input").focus();
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} else {
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// credentials are not valid ! To the registration page you go
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window.location.replace("/register");
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}
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})
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