mlmym/public/utils.js

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function request(url, params, callback, errorcallback = function(){}) {
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState != 4 || !callback ) { return }
if (xmlHttp.status == 200) {
return callback(xmlHttp.responseText);
}
errorcallback(xmlHttp.responseText);
}
var method = "GET"
if (params) method = "POST"
xmlHttp.open(method, url, true);
xmlHttp.send(params);
}
var resizeTarget
var startCoordinates = [0,0]
var startSize = [0,0]
function postClick(e) {
e = e || window.event;
if (e.target.className.indexOf("expando-button") == -1) { return }
var targ = e.currentTarget || e.srcElement || e;
if (targ.nodeType == 3) targ = targ.parentNode;
var bdy = targ.getElementsByClassName("expando")[0]
var btn = targ.getElementsByClassName("expando-button")[0]
if (bdy.className.indexOf("open")>-1) {
bdy.className = 'expando';
btn.className = "expando-button"
targ.getElementsByClassName("embed")[0].innerHTML = ""
} else {
bdy.className = 'expando open';
btn.className = "expando-button open"
var url = targ.getElementsByClassName("url")[0].href
if (bdy.querySelector("img.image") && localStorage.getItem("markRead") == "true") {
bdy.parentNode.querySelector(".title").className = "title visited"
var data = new FormData();
data.append("op", "read_post")
data.append("submit", "mark read")
data.append("xhr", "1")
data.append("postid", bdy.parentNode.parentNode.id.slice(1))
request("", data)
}
if (id = parseYoutube(url)) {
targ.getElementsByClassName("embed")[0].innerHTML = youtubeIframe(id)
}
}
}
document.onmousemove = function(e) {
if (resizeTarget) {
resizeTarget.style.maxWidth = 'unset';
let y = startSize[0] + (e.clientY - startCoordinates[1]) *3
let x = startSize[1] + (e.clientX - startCoordinates[0]) *3
let ratio = Math.min(y/startSize[0], x/startSize[1])
let newY = startSize[0]*ratio
let newX = startSize[1]*ratio
resizeTarget.height = newY > 30 ? newY : 30
resizeTarget.width = newX > 30 ? newX : 30
}
}
window.addEventListener('mouseup', function(e){
resizeTarget = false;
})
function uptil (el, f) {
if (el) return f(el) ? el : uptil(el.parentNode, f)
}
function commentClick(e) {
e = e || window.event;
var targ = e.currentTarget || e.srcElement || e;
if (targ.nodeType == 3) targ = targ.parentNode;
if (e.target.name=="submit") {
var form = uptil(e.target, function(el){ return el.tagName == "FORM" })
if (form) {
data = new FormData(form)
data.set(e.target.name, e.target.value)
data.set("xhr", 1)
if (("c"+data.get("commentid")) == targ.id && data.get("op") != "block_comment") {
targ.action = form.action
if (e.target.value == "preview") {
targ = form
}
} else if (("c"+data.get("parentid")) == targ.id) {
targ = form
} else { return }
e.preventDefault()
e.target.style.cursor = 'wait'
e.target.disabled = "disabled"
if (data.get("op") == "delete_comment") {
if (!confirm("Are you sure?")) {
return false
}
}
request(targ.action || "", data,
function(res){
if (data.get("op") == "block_user") {
var submitter = targ.getElementsByClassName("creator")[0].href
var comments = Array.prototype.slice.call(document.getElementsByClassName("comment"))
for (var i = 0; i < comments.length; i++) {
var submitter2 = comments[i].getElementsByClassName("creator")[0].href
if (submitter2 == submitter) {
comments[i].remove()
}
}
return
}
targ.outerHTML = res
setup()
},
function(res){
e.target.disabled = ""
})
}
return false
}
if (e.target.className.indexOf("minimize") != -1) {
if (e.target.getAttribute("for") != targ.id) { return }
e.preventDefault()
var btn = targ.getElementsByClassName("minimize")[0]
var children = targ.getElementsByClassName("children")[0]
if (targ.className.indexOf("hidden") == -1) {
targ.className = "comment hidden"
btn.innerHTML = "[+]"
} else {
targ.className = "comment"
btn.innerHTML = "[]"
}
return false
}
if (e.target.className.indexOf("hidechildren") != -1) {
if (e.target.getAttribute("for") != targ.id) { return }
e.preventDefault()
var btn = targ.getElementsByClassName("hidechildren")[0]
var children = targ.getElementsByClassName("children")[0]
if (children.className.indexOf("hidden") == -1) {
children.className = "children hidden"
btn.className = "hidechildren hidden"
} else {
children.className = "children"
btn.className = "hidechildren"
}
return false
}
if ((e.target.className.indexOf("edit") != -1) ||
(e.target.className.indexOf("source") != -1) ||
(e.target.className.indexOf("reply") != -1)) {
var id = targ.id
if (e.target.getAttribute("for") != id) { return }
e.preventDefault()
request(e.target.href+"&xhr",false, function(res){
targ.outerHTML = res
setup()
})
return false
}
if (e.target.className.indexOf("loadmore") != -1) {
var id = targ.id
if (e.target.getAttribute("for") != id) { return }
e.preventDefault()
var comments = targ.getElementsByClassName("comment")
var skip = []
for (var i = 0; i < comments.length; i++) {
skip.push(comments[i].id)
}
e.target.innerHTML = "loading more comments"
request(e.target.href+"&xhr",false, function(res){
var parent = e.target.parentNode
parent.innerHTML = res
parent.innerHTML = parent.getElementsByClassName("children")[0].innerHTML
var comments = parent.getElementsByClassName("comment")
for (var i = 0; i < skip.length; i++) {
for (var c = 0; c < comments.length; c++) {
if (skip[i] == comments[c].id) {
comments[c].remove()
}
}
}
parent.outerHTML = parent.innerHTML
setup()
})
return false
}
}
function loadMoreComments(e) {
e.preventDefault()
page = e.target.getAttribute("data-page")
var urlParams = new URLSearchParams(window.location.search);
urlParams.set("xhr", "1")
urlParams.set("page", page)
e.target.innerHTML = "loading"
e.target.className = "loading"
request(window.location.origin+window.location.pathname+"?"+urlParams.toString(), "",
function(res){
if (res.trim()) {
e.target.parentNode.outerHTML = res + '<div class="morecomments"><a id="lmc" href="" data-page="'+(parseInt(page)+1)+'">load more comments</a></div>'
setup()
} else {
e.target.parentNode.innerHTML = ""
}
}, function() {
e.target.innerHTML = "loading failed"
})
return false;
}
function loadMore(e) {
e.preventDefault()
page = e.target.getAttribute("data-page")
e.target.disabled="disabled"
e.target.value="loading"
var urlParams = new URLSearchParams(window.location.search);
urlParams.set("xhr", "1")
urlParams.set("page", page)
request(window.location.origin+window.location.pathname+"?"+urlParams.toString(), "",
function(res){
if (res.trim()) {
e.target.outerHTML = res + '<input id="loadmore" type="submit" data-page="'+(parseInt(page)+1)+'" value="load more">'
if (showimages = document.getElementById("showimages")) {
if (showimages.className == "selected") {
toggleImages(true)
}
}
var loadmore = document.getElementById("loadmore")
loadmore.className = "show"
loadmore.addEventListener("click", loadMore)
setup()
}
else {
e.target.outerHTML = '<input id="end" type="submit" value="" disabled>'
}
},
function(res) {
e.target.outerHTML = '<input id="loadmore" type="submit" data-page="'+parseInt(page)+'" value="loading failed">'
var loadmore = document.getElementById("loadmore")
loadmore.className = "show"
loadmore.addEventListener("click", loadMore)
}
)
return false;
}
function hideAllChildComments(e) {
e.preventDefault()
var comments = document.getElementsByClassName("comment")
if (e.target.innerHTML == "hide all child comments") {
e.target.innerHTML = "show all child comments"
} else {
e.target.innerHTML = "hide all child comments"
}
for (var i = 0; i < comments.length; i++) {
var comment = comments[i]
var btn = comment.getElementsByClassName("hidechildren")
if (!btn.length) { continue }
btn = btn[0]
if (btn.getAttribute("for") != comment.id) { continue }
var children = comment.getElementsByClassName("children")[0]
if (e.target.innerHTML == "show all child comments") {
children.className = "children hidden"
btn.className = "hidechildren hidden"
} else {
children.className = "children"
btn.className = "hidechildren"
}
}
return false
}
function formSubmit(e) {
e = e || window.event;
var targ = e.currentTarget || e.srcElement || e;
e.preventDefault()
var data = new FormData(targ)
data.set(e.submitter.name, e.submitter.value)
data.set("xhr", "1")
if (data.get("submit") == "cancel") {
targ.remove()
return
}
if (data.get("op") == "delete_post") {
if (!confirm("Are you sure?")) {
return false
}
}
e.submitter.disabled = "disabled"
request(targ.target, data,
function(res){
if (data.get("op") == "read_post") {
document.getElementById("p"+data.get("postid")).remove()
return
}
if (data.get("op") == "block_post") {
var post = document.getElementById("p"+data.get("postid"))
var user = post.getElementsByClassName("submitter")[0].href
var userinstance = user.split('@').pop()
if (userinstance == user) {
userinstance = ''
}
var community = post.getElementsByClassName("community")[0].href
var postinstance = community.split('@').pop()
if (postinstance == community) {
postinstance = ''
}
var posts = Array.prototype.slice.call(document.getElementsByClassName("post"))
for (var i = 0; i < posts.length; i++) {
var user2 = posts[i].getElementsByClassName("submitter")[0].href
var userinstance2 = user2.split('@').pop()
var community2 = posts[i].getElementsByClassName("community")[0].href
var postinstance2 = community2.split('@').pop()
if (data.get("blockcommunity") != null && community2 == community) {
posts[i].remove()
}
if (data.get("blockuser") != null && user2 == user) {
posts[i].remove()
}
if (data.get("blockuserinstance") != null && (userinstance == userinstance2 || userinstance == postinstance2)) {
posts[i].remove()
}
if (data.get("blockpostinstance") != null && (postinstance == userinstance2 || postinstance == postinstance2)) {
posts[i].remove()
}
}
targ.remove()
return
}
if (data.get("op") == "delete_post") {
window.location.reload()
return false
}
targ.outerHTML = res
setup()
},
function(res){
e.submitter.disabled = ""
}
)
return false
}
function toggleMyCommunities(e) {
e.preventDefault()
var mycommunities = document.getElementById("mycommunities")
if (mycommunities.className.indexOf("open") > -1) {
mycommunities.className = ""
return false
}
mycommunities.className = "open"
if (mycommunities.innerHTML == "") {
mycommunities.innerHTML = "<div>loading</div>"
request(e.target.href + "&xhr=1", "", function(res) {
mycommunities.innerHTML = '<div><a href="'+e.target.href+'">view all »</a>'
mycommunities.innerHTML += res
}, function() {
mycommunities.className = ""
})
}
return false
}
function openSettings(e) {
e.preventDefault()
var settings = document.getElementById("settingspopup")
if (settings.className == "open") {
settings.className = ""
return false
}
settings.className = "open"
request(e.target.href + "?xhr=1", "", function(res) {
settings.innerHTML = res
var options = document.getElementsByClassName("scripting")
for (var i = 0; i < options.length; i++) {
var input = options[i].getElementsByTagName('input')
if (!input.length) { continue }
if (localStorage.getItem(input[0].name) == "true") {
input[0].checked = "checked"
}
}
document.getElementById("settings").addEventListener("submit", saveSettings)
document.getElementById("closesettings").addEventListener("click", closeSettings)
})
return false
}
function closeSettings(e) {
e.preventDefault()
var settings = document.getElementById("settingspopup")
settings.className = ""
return false
}
function saveSettings(e) {
e = e || window.event;
var targ = e.currentTarget || e.srcElement || e;
var data = new FormData(targ)
e.preventDefault()
request(targ.dataset.target, data, function(res) {
["endlessScrolling", "autoLoad", "markRead"].map(function(x) {
localStorage.setItem(x, data.get(x)=="on")
})
window.location.reload()
})
return false;
}
function parseYoutube(url){
if (url.indexOf("youtu") == -1) return false
var regExp = /^.*(?:(?:youtu\.be\/|v\/|vi\/|u\/\w\/|embed\/|shorts\/)|(?:(?:watch)?\?v(?:i)?=|\&v(?:i)?=))([^#\&\?]*).*/;
var match = url.match(regExp);
if (match && match.length > 1) {
return match[1]
}
return false
}
function youtubeIframe(id) {
return '<iframe width="560" height="315" src="https://www.youtube.com/embed/'+id+'" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>'
}
function showImages(e) {
e = e || window.event;
e.preventDefault()
var targ = e.currentTarget || e.srcElement || e;
var parent = targ.parentNode
if (parent.className == "") {
parent.className = "selected"
toggleImages(true)
} else {
parent.className = ""
toggleImages(false)
}
return false
}
function toggleImages(open) {
var posts = document.getElementsByClassName("post")
for (var i = 0; i < posts.length; i++) {
var btn = posts[i].getElementsByClassName("expando-button")[0]
if (btn.className.indexOf("hidden") != -1) { continue }
var img = posts[i].getElementsByClassName("image")
if (!img.length) { continue }
var bdy = posts[i].getElementsByClassName("expando")[0]
if (open) {
bdy.className = 'expando open showimage';
btn.className = "expando-button open"
} else {
bdy.className = 'expando';
btn.className = "expando-button"
}
}
}
function insertImg(e) {
e = e || window.event;
var form = uptil(e.target, function(el){ return el.tagName == "FORM" })
form.querySelector("input[value=preview]").click()
var inputs = form.getElementsByTagName("input")
for (var i = 0; i < inputs.length; i++) {
inputs[i].disabled = "disabled"
}
}
function setup() {
if (showimages = document.getElementById("se")) {
showimages.addEventListener("click", showImages)
}
if (settings = document.getElementById("opensettings")) {
settings.addEventListener("click", openSettings)
}
if (settings = document.getElementById("openmycommunities")) {
settings.addEventListener("click", toggleMyCommunities)
}
if (hidechildren = document.getElementById("hidechildren")){
hidechildren.addEventListener("click", hideAllChildComments)
}
if (lmc = document.getElementById("lmc")){
var pager = document.getElementsByClassName("pager")
if (pager.length) {
pager[0].style.display = "none";
}
lmc.addEventListener("click", loadMoreComments)
}
var imgUpload = document.getElementsByClassName("imgupload")
for (var i = 0; i < imgUpload.length; i++) {
imgUpload[i].addEventListener("change", insertImg)
}
var posts = document.getElementsByClassName("post")
for (var i = 0; i < posts.length; i++) {
posts[i].addEventListener("click", postClick)
var forms = posts[i].getElementsByTagName("form")
for (var f = 0; f < forms.length; f++) {
forms[f].addEventListener("submit", formSubmit)
}
var url = posts[i].getElementsByClassName("url")[0].href
if (id = parseYoutube(url)) {
var btn = posts[i].getElementsByClassName("expando-button")[0]
if (btn.className.indexOf("open") > -1) {
posts[i].getElementsByClassName("embed")[0].innerHTML = youtubeIframe(id)
} else {
btn.className = "expando-button"
}
}
let images = posts[i].getElementsByTagName('img')
for (let i = 0; i < images.length; i++) {
images[i].onmousedown = function(e) {
e.preventDefault()
startCoordinates = [e.clientX, e.clientY]
startSize = [e.target.height, e.target.width]
resizeTarget = e.target
return false
}
}
}
var comments = document.getElementsByClassName("comment")
for (var i = 0; i < comments.length; i++) {
comments[i].addEventListener("click", commentClick)
var forms = comments[i].getElementsByTagName("form")
for (var f = 0; f < forms.length; f++) {
forms[f].addEventListener("submit", formSubmit)
}
}
var links = document.getElementsByTagName("a")
for (var i = 0; i < links.length; i++) {
if (links[i].rel == "xhr") {
links[i].addEventListener("click", xhrLink)
}
}
var st = document.getElementById("sidetoggle")
if (st) {
st.addEventListener("click", sideToggle)
}
}
function sideToggle(e) {
e.preventDefault();
var side = document.getElementsByClassName("side")[0]
var body = document.getElementsByTagName("body")[0]
if (!side || !body) return;
var form = e.target
if (form.tagName != "FORM") {
form = uptil(e.target, function(el){ return el.tagName == "FORM" })
}
var data = new FormData(form)
data.append("xhr", "1")
request(form.target, data)
if (body.className == "sidetoggle") {
body.className = ""
} else {
body.className = "sidetoggle"
}
}
function xhrLink(e) {
e = e || window.event;
e.preventDefault();
var targ = e.currentTarget || e.srcElement || e;
var t = []
if (targ.target != "") {
t = document.getElementsByName(targ.target)
}
if (t.length) {
t[0].innerHTML = '<div class="loading">loading</div>'
}
request(targ.href+"?xhr", "",
function(res){
if (t.length) {
t[0].innerHTML = res
}
setup()
},
function(res){
})
return false;
}
setup()
if (localStorage.getItem("endlessScrolling") == "true") {
var pager = document.getElementsByClassName("pager")
if (pager.length) pager[0].className = "pager hidden"
var loadmore = document.getElementById("loadmore")
if (loadmore) {
loadmore.className = "show"
loadmore.addEventListener("click", loadMore)
}
}
if (localStorage.getItem("autoLoad") == "true") {
window.onscroll = function(e) {
if ((window.innerHeight + Math.round(window.scrollY)) >= document.body.offsetHeight) {
if (localStorage.getItem("endlessScrolling") == "true") {
if (loadmore = document.getElementById("loadmore")) {
loadmore.click()
}
}
if (lmc = document.getElementById("lmc")) {
lmc.click()
}
}
};
}
// delete cookies without HTTPOnly
var cookies = document.cookie.split(";");
for (var i = 0; i < cookies.length; i++) {
var cookie = cookies[i];
var eqPos = cookie.indexOf("=");
var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT;SameSite=None;Secure";
}