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satisfy cloudflare DDoS protection

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ed 2022-07-03 16:04:28 +02:00
parent 6605e461c7
commit 6e445487b1
8 changed files with 72 additions and 3 deletions
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7
copyparty/httpcli.py
View file

@ -545,6 +545,10 @@ class HttpCli(object):
static_path = os.path.join(E.mod, "web/", self.vpath[5:])
return self.tx_file(static_path)
if "cf_challenge" in self.uparam:
self.reply(self.j2s("cf").encode("utf-8", "replace"))
return True
if not self.can_read and not self.can_write and not self.can_get:
if self.vpath:
self.log("inaccessible: [{}]".format(self.vpath))
@ -911,6 +915,9 @@ class HttpCli(object):
except:
raise Pebkac(422, "you POSTed invalid json")
# self.reply(b" DDoS Protection ", 503)
# return True
if "srch" in self.uparam or "srch" in body:
return self.handle_search(body)

2
copyparty/httpsrv.py
View file

@ -81,7 +81,7 @@ class HttpSrv(object):
env.loader = jinja2.FileSystemLoader(os.path.join(E.mod, "web"))
self.j2 = {
x: env.get_template(x + ".html")
for x in ["splash", "browser", "browser2", "msg", "md", "mde"]
for x in ["splash", "browser", "browser2", "msg", "md", "mde", "cf"]
}
self.prism = os.path.exists(os.path.join(E.mod, "web", "deps", "prism.js.gz"))

1
copyparty/util.py
View file

@ -127,6 +127,7 @@ HTTPCODE = {
429: "Too Many Requests",
500: "Internal Server Error",
501: "Not Implemented",
503: "Service Unavailable",
}

2
copyparty/web/browser.js
View file

@ -248,6 +248,7 @@ var Ls = {
"md_eshow": "cannot show ",
"xhr403": "403: Access denied\n\ntry pressing F5, maybe you got logged out",
"cf_ok": "sorry about that -- DDoS protection kicked in\n\nthings should resume in about 30 sec\n\nif nothing happens, hit F5 to reload the page",
"tl_xe1": "could not list subfolders:\n\nerror ",
"tl_xe2": "404: Folder not found",
"fl_xe1": "could not list files in folder:\n\nerror ",
@ -572,6 +573,7 @@ var Ls = {
"md_eshow": "kan ikke vise ",
"xhr403": "403: Tilgang nektet\n\nkanskje du ble logget ut? prøv å trykk F5",
"cf_ok": "beklager -- liten tilfeldig kontroll, alt OK\n\nting skal fortsette om ca. 30 sekunder\n\nhvis ikkeno skjer, trykk F5 for å laste siden på nytt",
"tl_xe1": "kunne ikke hente undermapper:\n\nfeil ",
"tl_xe2": "404: Mappen finnes ikke",
"fl_xe1": "kunne ikke hente filer i mappen:\n\nfeil ",

27
copyparty/web/cf.html Normal file
View file

@ -0,0 +1,27 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>{{ svcname }}</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=0.8">
</head>
<body>
<div id="box" style="opacity: 0; font-family: sans-serif">
<h3>please press F5 to reload the page</h3>
<p>sorry for the inconvenience</p>
</div>
<script>
setTimeout(function() {
document.getElementById('box').style.opacity = 1;
}, 500);
parent.toast.ok(30, parent.L.cf_ok);
parent.qsr('#cf_frame');
</script>
</body>
</html>

12
copyparty/web/ui.css
View file

@ -190,6 +190,18 @@ html.y #tth {
color: #000;
background: #fff;
}
#cf_frame {
position: fixed;
z-index: 573;
top: 3em;
left: 50%;
width: 40em;
height: 30em;
margin-left: -20.2em;
border-radius: .4em;
border: .4em solid var(--fg);
box-shadow: 0 2em 4em 1em var(--bg-max);
}
#modal {
position: fixed;
overflow: auto;

23
copyparty/web/util.js
View file

@ -1455,6 +1455,7 @@ var favico = (function () {
})();
var cf_ddos_t = 0;
function xhrchk(xhr, prefix, e404) {
if (xhr.status < 400 && xhr.status >= 200)
return true;
@ -1465,6 +1466,24 @@ function xhrchk(xhr, prefix, e404) {
if (xhr.status == 404)
return toast.err(0, prefix + e404);
return toast.err(0, prefix + xhr.status + ": " + (
(xhr.response && xhr.response.err) || xhr.responseText));
var errtxt = (xhr.response && xhr.response.err) || xhr.responseText,
fun = toast.err;
if (xhr.status == 503 && /\bDDoS [Pp]rotection|>Just a moment|#cf-bubbles|Checking your browser/.test(errtxt)) {
var now = Date.now(), td = now - cf_ddos_t;
if (td < 15000)
return;
cf_ddos_t = now;
errtxt = 'Cloudflare DDoS protection kicked in\n\n<strong>trying to fix it...</strong>';
fun = toast.warn;
qsr('#cf_frame');
var fr = mknod('iframe');
fr.src = '/?cf_challenge';
fr.setAttribute('id', 'cf_frame');
document.body.appendChild(fr);
}
return fun(0, prefix + xhr.status + ": " + errtxt);
}

1
scripts/sfx.ls
View file

@ -43,6 +43,7 @@ copyparty/web/browser.html,
copyparty/web/browser.js,
copyparty/web/browser2.html,
copyparty/web/copyparty.gif,
copyparty/web/cf.html,
copyparty/web/dd,
copyparty/web/dd/2.png,
copyparty/web/dd/3.png,