const API_ENDPOINT = "https://gimb.tk/test.php";
const DIRECTORY_URL = "/directory.json";
// const API_ENDPOINT = "http://localhost:5000/test.php";
// "Global" object for name directory
var directory = null;
async function checkLogin() {
localforage.getItem("logged_in").then(function (value) {
// This code runs once the value has been loaded
// from the offline store.
if (value !== true) {
window.location.replace("/index.html");
}
}).catch(function (err) {
// This code runs if there were any errors
console.log(err);
});
}
// -----------HTML HELPERS-----------
function htmlEncode(value) {
// Create a in-memory element, set its inner text (which is automatically encoded)
// Then grab the encoded contents back out. The element never exists on the DOM.
return $("<textarea/>").text(value).html();
}
function htmlDecode(value) {
return $("<textarea/>").html(value).text();
}
// ---------------------------------
// Try to fetch name:id directory
function loadDirectory() {
$.ajax({
url: DIRECTORY_URL,
crossDomain: true,
dataType: "json",
cache: false,
type: "GET",
success: (data) => {
// If we were able to retrieve it, update the saved directory
localforage.setItem("directory", data);
directory = data;
// Populate autocomplete
populateAutocomplete();
},
error: () => {
// Otherwise, try to retrieve stored directory
localforage.getItem("directory").then((stored_directory) => {
if (stored_directory === null) {
// If unable, set directory to null (so other functions know that we don't have it)
M.toast({ html: "Name directory not set, sending unavailable" });
directory = null;
// Disable send button
document.getElementById("msg-send").disabled = true;
} else {
directory = stored_directory;
// Populate autocomplete
populateAutocomplete();
}
});
}
});
}
function populateAutocomplete() {
let elems = document.querySelectorAll('.autocomplete-fullname');
// če se uporablja globalna var directory, ki je shranjena kot objekt (vedno shranjen kot reference), bo pri let x=y x le pointer na object y
// in se bo spremenil z spremembo "originala". spodnja stvar itak ni preveč efficent, loop čez vseh 7000 ljudi bi lahko delal težave...
// kakšen Object.keys bi bila boljša varianta ampak raje napišem tale komentar... idk, to se mi je zdelo uporabno ampak sedaj obžalujem
// samo guglal sem "copying an object js"
let autocomplete_entries = Object.assign({}, directory);
for (let variableKey in autocomplete_entries) {
autocomplete_entries[variableKey] = null;
}
M.Autocomplete.init(elems, {
data: autocomplete_entries,
onAutocomplete: validateName,
minLength: 0
});
if(window.location.hash.length > 1) {
document.getElementById("full-name").value = decodeURIComponent(window.location.hash.substring(1));
} else {
document.getElementById("full-name").value = getUrlParameter("m");
}
M.updateTextFields();
validateName();
}
// Function to toggle loading bar
function setLoading(state) {
if (state) {
$("#loading-bar").removeClass("hidden");
} else {
$("#loading-bar").addClass("hidden");
}
}
// Function, responsible for fetching and displaying data
async function loadMessages(force_refresh = true, katera = 0) {
setLoading(true);
// Load required data
let promises_to_run = [
localforage.getItem("username").then((value) => {
username = value;
}),
localforage.getItem("password").then((value) => {
password = value;
}),
localforage.getItem("messages").then((value) => {
messages = value;
})
];
Promise.all(promises_to_run).then(() => {
if (messages === null || force_refresh) {
$.ajax({
url: API_ENDPOINT,
crossDomain: true,
data: {
"u": username,
"p": password,
"m": "fetchsporocilaseznam",
"a": katera // Message type, see API doc for details
},
dataType: "json",
cache: false,
type: "GET",
success: (data) => {
// If data is null, the request failed
if (data === null) {
M.toast({ html: "Request failed!" });
setLoading(false);
} else {
// Save messages & populate view
// console.log(data); // debug
localforage.setItem("messages", data).then((value) => {
messages = value;
displayData();
setLoading(false);
});
}
},
error: () => {
M.toast({ html: "Error fetching messages!" });
setLoading(false);
}
})
} else {
displayData();
setLoading(false);
}
});
}
async function loadMsg(id) {
setLoading(true);
// Load required data
let promises_to_run = [
localforage.getItem("username").then((value) => {
username = value;
}),
localforage.getItem("password").then((value) => {
password = value;
}),
];
Promise.all(promises_to_run).then(() => {
$.ajax({
url: API_ENDPOINT,
crossDomain: true,
data: {
"u": username,
"p": password,
"m": "fetchsporocilo",
"a": id
},
dataType: "json",
cache: false,
type: "GET",
success: (data) => {
// If data is null, the request failed
if (data === null) {
M.toast({ html: "Unable to receive the message, Request failed!" });
setLoading(false);
} else {
displayMessage(id, data);
setLoading(false);
}
},
error: () => {
M.toast({ html: "Error fetching message, No Internet connnection?" });
setLoading(false);
}
})
});
}
async function deleteMsg(id) {
setLoading(true);
// Load required data
let promises_to_run = [
localforage.getItem("username").then((value) => {
username = value;
}), localforage.getItem("password").then((value) => {
password = value;
}),
];
Promise.all(promises_to_run).then(() => {
$.ajax({
url: API_ENDPOINT,
crossDomain: true,
data: {
"u": username,
"p": password,
"m": "izbrisisporocilo",
"a": id
},
dataType: "json",
cache: false,
type: "GET",
success: (data) => {
// If data is null, the request failed
if (data === null) {
M.toast({ html: "Unable to delete the message, Request failed!" });
setLoading(false);
} else {
document.getElementById("msg_box-" + id).remove();
setLoading(false);
}
},
error: () => {
M.toast({ html: "Unable to delete the message, No Internet connnection?" });
setLoading(false);
}
})
});
}
function displayMessage(id, data) {
if(data["telo"].substring(0, 21) == "<!-- beziapp-e2eemsg-") {
var datatodecrypt = data["telo"].substring(29+Number(data["telo"].substring(21, 25)), data["telo"].length-6) // length-6 da zbrišemo zadnji </div>
var randomencdivid = Math.floor(Math.random() * 9999).toString().padStart(4, '0');
var msgcontent = "<div id='beziapp-msg-e2ee-form-"+randomencdivid+"'>This message was encrypted by BežiApp."
+"<input type=password autocomplete=new-password id=beziapp-msg-e2ee-password-"+randomencdivid+" placeholder='Enter password ...'><button type=button"
+"value=Decrypt! class='btn waves-effect waves-light' onclick=document.getElementById('beziapp-msg-e2ee-content-"+randomencdivid+"').innerHTML="
+"filterXSS(sjcl.decrypt(document.getElementById('beziapp-msg-e2ee-password-"+randomencdivid+"').value,document.getElementById('beziapp-msg-e2ee-content-"
+randomencdivid+"').innerHTML));document.getElementById('beziapp-msg-e2ee-content-"+randomencdivid+"').hidden=false;document."
+"getElementById('beziapp-msg-e2ee-form-"+randomencdivid+"').hidden=true >Decrypt!</button></div><div id='beziapp-msg-e2ee-content-"+randomencdivid+"' hidden='hidden'>"
+datatodecrypt+"</div>";
document.getElementById("msg_body-" + id).innerHTML = msgcontent;
} else {
document.getElementById("msg_body-" + id).innerHTML = filterXSS(data["telo"]);
}
}
// Function for displaying data
function displayData() {
let msg_list = document.getElementById("msg-list");
msg_list.innerHTML = "";
messages.forEach(element => {
if (element["zadeva"].substr(0, 14) != "beziapp-ctlmsg") {
msg_list.innerHTML += '<div class="col s12 m6" id="msg_box-' +
filterXSS(element["id"]) +
'"><div class="card blue-grey darken-1"><div class="card-content white-text"><span class="card-title">' +
filterXSS(element["zadeva"]) +
'</span><p id="msg_body-' +
filterXSS(element["id"]) +
'"><button class="btn waves-effect waves-light" onclick=loadMsg("' +
filterXSS(element["id"]) +
'"); type="submit">Load message body<i class="material-icons right">system_update</i></button></p></div><div class="card-action"><a href=javascript:deleteMsg("' +
filterXSS(element["id"]) +
'");><i class="material-icons">delete</i></a><a href=\'javascript:document.getElementById("full_name").value="' +
filterXSS(element["posiljatelj"]) +
'";document.getElementById("msg_subject").value="Re: ' +
filterXSS(element["zadeva"]) +
'";M.updateTextFields();document.getElementById("navigation-main").scrollIntoView();\'><i class="material-icons">reply</i></a>' +
filterXSS(element["posiljatelj"]) + " » " + filterXSS(element["datum"]["dan"]) + ". " + filterXSS(element["datum"]["mesec"]) + ". " + filterXSS(element["datum"]["leto"]) + " at " +
filterXSS(element["cas"]["ura"]) + ":" + filterXSS(element["cas"]["minuta"]) +
'</div></div></div>';
}
});
document.getElementById("storage-bar").hidden = false;
document.getElementById("storage-progressbar").style.width = Number(Number(messages.length/120)*100).toFixed(2)+"%";
document.getElementById("storage-desc").innerHTML = messages.length+"/120 messages "+document.getElementById("storage-progressbar").style.width;
}
async function sendMessage(recipient_number, subject, body) {
setLoading(true);
let promises_to_run = [
localforage.getItem("username").then((value) => {
username = value;
}),
localforage.getItem("password").then((value) => {
password = value;
}),
];
Promise.all(promises_to_run).then(() => {
$.ajax({
url: API_ENDPOINT,
crossDomain: true,
data: {
"u": username,
"p": password,
"m": "posljisporocilo",
"a": recipient_number,
"b": subject,
"c": body
},
dataType: "json",
cache: false,
type: "POST",
success: () => {
// we CAN'T know wether the mesgg was delievered
M.toast({ html: "Message was probably sent, check the Sent folder to be sure!" });
setLoading(false);
},
error: () => {
M.toast({ html: "Error sending message, no Internet connnection?" });
setLoading(false);
}
})
});
}
async function validateName() {
if (directory !== null) {
if ($("#full-name").val() in directory) {
$("#full-name").addClass("valid");
$("#full-name").removeClass("invalid");
document.getElementById("msg-send").disabled = false;
} else {
$("#full-name").addClass("invalid");
$("#full-name").removeClass("valid");
document.getElementById("msg-send").disabled = true;
}
}
}
// Setup event listeners for buttons
function setupEventListeners() {
// Button to add a photo
$("#msg-add-photo").click(() => {
let input = document.createElement("input");
input.type = "file";
input.onchange = (e) => {
// getting a hold of the file reference
let file = e.target.files[0];
// setting up the reader
let reader = new FileReader();
reader.readAsDataURL(file); // this is reading as data url
// here we tell the reader what to do when it's done reading...
reader.onload = readerEvent => {
additionalstufftoaddtomessage += '<br><img src="' + readerEvent.target.result + '" />'; // this is the content!
if(document.getElementById("msg-added-image").innerHTML.length > 1) {
document.getElementById("msg-added-image").innerHTML += '<img style=width:20mm src="' + readerEvent.target.result + '" />'; // this is the content!
} else {
document.getElementById("msg-added-image").innerHTML = "<input type=button value='Remove images' class='btn waves-effect waves-light' "
+"onclick=additionalstufftoaddtomessage='';document.getElementById('msg-added-image').innerHTML='' /><br>Note: GimB servers don't like large messages, "
+"so only very small images may be attached or your message will not be delivered.<br>Attached images:<br><img style=width:20mm "
+"src='"+readerEvent.target.result+"' />"; // ravno obratni narekovaji
}
M.toast({ html: "Image added as an attachment." });
}
}
input.click();
});
// Verify recipient when input loses focus
$("#full-name").on("blur", validateName);
// Button to send message
$("#msg-send").click(() => {
localforage.getItem("directory").then(function (value) {
var msgcontent = document.getElementById("msg-body").value + additionalstufftoaddtomessage;
var msgsubject = document.getElementById("msg-subject").value;
if(document.getElementById("msg-e2ee-pass").hidden == false) {
var randomencdivid = Math.floor(Math.random() * 9999).toString().padStart(4, '0');
var addrparts = window.location.href.split("/");
msgcontent = "<script src='"+addrparts[0]+"//"+addrparts[2]+"/js/lib/sjcl.js'></script><div id='beziapp-msg-e2ee-form-"+randomencdivid+"'>This message was encrypted by BežiApp."
+"<input type=password autocomplete=new-password id=beziapp-msg-e2ee-password-"+randomencdivid+" placeholder='Enter password ...'><input type=button value=Decrypt! onclick="
+"document.getElementById('beziapp-msg-e2ee-content-"+randomencdivid+"').innerHTML=sjcl.decrypt(document.getElementById('beziapp-msg-e2ee-password-"
+randomencdivid+"').value,document.getElementById('beziapp-msg-e2ee-content-"+randomencdivid+"').innerText);document.getElementById('beziapp-msg-e2ee-content-"+randomencdivid
+"').hidden=false;document.getElementById('beziapp-msg-e2ee-form-"+randomencdivid+"').hidden=true ></div><div id='beziapp-msg-e2ee-content-"+randomencdivid+"' hidden='hidden'>";
msgcontent = "<!-- beziapp-e2eemsg-"+msgcontent.length.toString().padStart(4, '0')+" -->"+msgcontent
+sjcl.encrypt(document.getElementById("msg-e2ee-pass-input").value, document.getElementById("msg-body").value)+"</div>";
}
sendMessage(value[document.getElementById("full-name").value], msgsubject,
htmlEncode(msgcontent));
document.getElementById("msg-body").value = "";
document.getElementById("full-name").value = "";
document.getElementById("msg-subject").value = "";
document.getElementById("msg-send").disabled = true;
additionalstufftoaddtomessage = "";
document.getElementById("msg-added-image").innerHTML = "";
document.getElementById("msg-e2ee-pass").hidden = true;
}).catch(function (err) {
M.toast({ html: "Unable to read directory of people. Message could not be sent." });
console.log(err);
});
});
}
function getUrlParameter(sParam) {
const url_params = new URLSearchParams(window.location.search);
const found_param = url_params.get(sParam);
return found_param
}
var additionalstufftoaddtomessage = "";
document.addEventListener("DOMContentLoaded", () => {
checkLogin();
loadDirectory();
setupEventListeners();
var receivedmessages = null;
loadMessages(true, 0);
M.updateTextFields();
// Setup side menu
const menus = document.querySelectorAll(".side-menu");
M.Sidenav.init(menus, { edge: "right", draggable: true });
});
