support location-based rproxy

copyparty/__main__.py

@@ -673,6 +673,7 @@ def run_argparse(
     ap2.add_argument("-p", metavar="PORT", type=u, default="3923", help="ports to bind (comma/range)")
     ap2.add_argument("--ll", action="store_true", help="include link-local IPv4/IPv6 even if the NIC has routable IPs (breaks some mdns clients)")
     ap2.add_argument("--rproxy", metavar="DEPTH", type=int, default=1, help="which ip to keep; [\033[32m0\033[0m]=tcp, [\033[32m1\033[0m]=origin (first x-fwd), [\033[32m2\033[0m]=cloudflare, [\033[32m3\033[0m]=nginx, [\033[32m-1\033[0m]=closest proxy")
+    ap2.add_argument("--webroot", metavar="PATH", type=u, default="", help="if reverse-proxying on a location instead of a dedicated subdomain, provide the location here")
     if ANYWIN:
         ap2.add_argument("--reuseaddr", action="store_true", help="set reuseaddr on listening sockets on windows; allows rapid restart of copyparty at the expense of being able to accidentally start multiple instances")
     ap2.add_argument("--s-wr-sz", metavar="B", type=int, default=256*1024, help="socket write size in bytes")

copyparty/httpcli.py

@@ -119,6 +119,8 @@ class HttpCli(object):
         # placeholders; assigned by run()
         self.keepalive = False
         self.is_https = False
+        self.is_proxied = False
+        self.is_vproxied = False
         self.in_hdr_recv = True
         self.headers: dict[str, str] = {}
         self.mode = " "
@@ -191,6 +193,7 @@ class HttpCli(object):
 
     def j2s(self, name: str, **ka: Any) -> str:
         tpl = self.conn.hsrv.j2[name]
+        ka["r"] = self.args.SR if self.is_vproxied else ""
         ka["ts"] = self.conn.hsrv.cachebuster()
         ka["lang"] = self.args.lang
         ka["favico"] = self.args.favico
@@ -276,6 +279,8 @@ class HttpCli(object):
                     self.log(t.format(self.args.rproxy, zso), c=3)
 
                 self.log_src = self.conn.set_rproxy(self.ip)
+                self.is_vproxied = bool(self.args.R)
+                self.is_proxied = True
 
         if self.is_banned():
             return False
@@ -320,6 +325,13 @@ class HttpCli(object):
                 else:
                     uparam[k.lower()] = ""
 
+        if self.is_vproxied:
+            if vpath.startswith(self.args.R):
+                vpath = vpath[len(self.args.R) + 1 :]
+            else:
+                t = "incorrect --webroot or webserver config; expected vpath starting with [{}] but got [{}]"
+                self.log(t.format(self.args.R, vpath), 1)
+
         self.ouparam = {k: zs for k, zs in uparam.items()}
 
         if self.args.rsp_slp:
@@ -604,10 +616,11 @@ class HttpCli(object):
         status: int = 200,
         use302: bool = False,
     ) -> bool:
+        vp = self.args.RS + vpath
         html = self.j2s(
             "msg",
             h2='<a href="/{}">{} /{}</a>'.format(
-                quotep(vpath) + suf, flavor, html_escape(vpath, crlf=True) + suf
+                quotep(vp) + suf, flavor, html_escape(vp, crlf=True) + suf
             ),
             pre=msg,
             click=click,
@@ -1375,7 +1388,7 @@ class HttpCli(object):
         url = "{}://{}/{}".format(
             "https" if self.is_https else "http",
             self.headers.get("host") or "{}:{}".format(*list(self.s.getsockname()[:2])),
-            vpath + vsuf,
+            self.args.RS + vpath + vsuf,
         )
 
         return post_sz, sha_hex, sha_b64, remains, path, url
@@ -1576,6 +1589,10 @@ class HttpCli(object):
 
         x = self.conn.hsrv.broker.ask("up2k.handle_json", body)
         ret = x.get()
+        if self.is_vproxied:
+            if "purl" in ret:
+                ret["purl"] = self.args.SR + ret["purl"]
+
         ret = json.dumps(ret)
         self.log(ret)
         self.reply(ret.encode("utf-8"), mime="application/json")
@@ -1634,6 +1651,10 @@ class HttpCli(object):
             if t not in order:
                 order.append(t)
 
+        if self.is_vproxied:
+            for hit in hits:
+                hit["rp"] = self.args.RS + hit["rp"]
+
         r = json.dumps({"hits": hits, "tag_order": order}).encode("utf-8")
         self.reply(r, mime="application/json")
         return True
@@ -2032,7 +2053,7 @@ class HttpCli(object):
                 )[: vfs.flags["fk"]]
 
             vpath = "{}/{}".format(upload_vpath, lfn).strip("/")
-            rel_url = quotep(vpath) + vsuf
+            rel_url = quotep(self.args.RS + vpath) + vsuf
             msg += 'sha512: {} // {} // {} bytes // <a href="/{}">{}</a> {}\n'.format(
                 sha_hex[:56],
                 sha_b64,
@@ -2537,6 +2558,7 @@ class HttpCli(object):
 
         boundary = "\roll\tide"
         targs = {
+            "r": self.args.SR if self.is_vproxied else "",
             "ts": self.conn.hsrv.cachebuster(),
             "svcname": self.args.doctitle,
             "html_head": self.html_head,
@@ -2765,6 +2787,11 @@ class HttpCli(object):
             dst = dst[len(top) + 1 :]
 
         ret = self.gen_tree(top, dst)
+        if self.is_vproxied:
+            parents = self.args.R.split("/")
+            for parent in parents[::-1]:
+                ret = {"k{}".format(parent): ret, "a": []}
+
         zs = json.dumps(ret)
         self.reply(zs.encode("utf-8"), mime="application/json")
         return True
@@ -2875,6 +2902,11 @@ class HttpCli(object):
                 break
 
         ret = ret[:2000]
+
+        if self.is_vproxied:
+            for v in ret:
+                v["vp"] = self.args.SR + v["vp"]
+
         jtxt = json.dumps(ret, indent=2, sort_keys=True).encode("utf-8", "replace")
         self.log("{} #{} {:.2f}sec".format(lm, len(ret), time.time() - t0))
         self.reply(jtxt, mime="application/json")
@@ -2889,6 +2921,8 @@ class HttpCli(object):
 
         if not req:
             req = [self.vpath]
+        elif self.is_vproxied:
+            req = [x[len(self.args.SR) :] for x in req]
 
         nlim = int(self.uparam.get("lim") or 0)
         lim = [nlim, nlim] if nlim else []
@@ -2900,6 +2934,10 @@ class HttpCli(object):
     def handle_mv(self) -> bool:
         # full path of new loc (incl filename)
         dst = self.uparam.get("move")
+
+        if self.is_vproxied and dst and dst.startswith(self.args.SR):
+            dst = dst[len(self.args.RS) :]
+
         if not dst:
             raise Pebkac(400, "need dst vpath")
 

copyparty/httpsrv.py

@@ -178,11 +178,6 @@ class HttpSrv(object):
     def listen(self, sck: socket.socket, nlisteners: int) -> None:
         if self.args.j != 1:
             # lost in the pickle; redefine
-            try:
-                sck.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
-            except:
-                pass
-
             if not ANYWIN or self.args.reuseaddr:
                 sck.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 

copyparty/star.py

@@ -1,6 +1,7 @@
 # coding: utf-8
 from __future__ import print_function, unicode_literals
 
+import stat
 import tarfile
 
 from queue import Queue
@@ -79,6 +80,9 @@ class StreamTar(StreamArc):
         src = f["ap"]
         fsi = f["st"]
 
+        if stat.S_ISDIR(fsi.st_mode):
+            return
+
         inf = tarfile.TarInfo(name=name)
         inf.mode = fsi.st_mode
         inf.size = fsi.st_size

copyparty/svchub.py

@@ -301,6 +301,17 @@ class SvcHub(object):
             vs = [x for x in vs if x]
             setattr(al, n, vs)
 
+        R = al.webroot
+        if "//" in R or ":" in R:
+            t = "found URL in --webroot; it should be just the location, for example /foo/bar"
+            raise Exception(t)
+
+        R = R.strip("/")
+        if R:
+            al.R = R
+            al.SR = "/" + R
+            al.RS = R + "/"
+
         return True
 
     def _setlimits(self) -> None:

copyparty/szip.py

@@ -3,6 +3,7 @@ from __future__ import print_function, unicode_literals
 
 import calendar
 import time
+import stat
 import zlib
 
 from .bos import bos
@@ -238,6 +239,9 @@ class StreamZip(StreamArc):
         src = f["ap"]
         st = f["st"]
 
+        if stat.S_ISDIR(st.st_mode):
+            return
+
         sz = st.st_size
         ts = st.st_mtime
 

copyparty/tcpsrv.py

@@ -209,10 +209,6 @@ class TcpSrv(object):
     def _listen(self, ip: str, port: int) -> None:
         ipv = socket.AF_INET6 if ":" in ip else socket.AF_INET
         srv = socket.socket(ipv, socket.SOCK_STREAM)
-        try:
-            srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
-        except:
-            pass
 
         if not ANYWIN or self.args.reuseaddr:
             srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

copyparty/web/browser.css

@@ -1075,18 +1075,18 @@ html.y #widget.open {
 	top: -.12em;
 }
 #wtico {
-	cursor: url(/.cpr/dd/4.png), pointer;
+	cursor: url(dd/4.png), pointer;
 	animation: cursor 500ms;
 }
 #wtico:hover {
 	animation: cursor 500ms infinite;
 }
 @keyframes cursor {
-	 0% {cursor: url(/.cpr/dd/2.png), pointer}
+	 0% {cursor: url(dd/2.png), pointer}
-	30% {cursor: url(/.cpr/dd/3.png), pointer}
+	30% {cursor: url(dd/3.png), pointer}
-	50% {cursor: url(/.cpr/dd/4.png), pointer}
+	50% {cursor: url(dd/4.png), pointer}
-	75% {cursor: url(/.cpr/dd/5.png), pointer}
+	75% {cursor: url(dd/5.png), pointer}
-	85% {cursor: url(/.cpr/dd/4.png), pointer}
+	85% {cursor: url(dd/4.png), pointer}
 }
 @keyframes spin {
 	100% {transform: rotate(360deg)}

copyparty/web/browser.html

@@ -8,8 +8,8 @@
 	<meta name="viewport" content="width=device-width, initial-scale=0.8, minimum-scale=0.6">
 	<meta name="theme-color" content="#333">
 {{ html_head }}
-	<link rel="stylesheet" media="screen" href="/.cpr/ui.css?_={{ ts }}">
+	<link rel="stylesheet" media="screen" href="{{ r }}/.cpr/ui.css?_={{ ts }}">
-	<link rel="stylesheet" media="screen" href="/.cpr/browser.css?_={{ ts }}">
+	<link rel="stylesheet" media="screen" href="{{ r }}/.cpr/browser.css?_={{ ts }}">
 	{%- if css %}
 	<link rel="stylesheet" media="screen" href="{{ css }}?_={{ ts }}">
 	{%- endif %}
@@ -71,7 +71,7 @@
 	<h1 id="path">
 		<a href="#" id="entree">🌲</a>
 		{%- for n in vpnodes %}
-		<a href="/{{ n[0] }}">{{ n[1] }}</a>
+		<a href="{{ r }}/{{ n[0] }}">{{ n[1] }}</a>
 		{%- endfor %}
 	</h1>
 	
@@ -121,7 +121,7 @@
 	
 	<div id="epi" class="logue">{{ logues[1] }}</div>
 
-	<h2><a href="/?h" id="goh">control-panel</a></h2>
+	<h2><a href="{{ r }}/?h" id="goh">control-panel</a></h2>
 	
 	<a href="#" id="repl">π</a>
 
@@ -134,7 +134,8 @@
 	<div id="widget"></div>
 
 	<script>
-		var acct = "{{ acct }}",
+		var SR = {{ r|tojson }},
+			acct = "{{ acct }}",
 			perms = {{ perms }},
 			themes = {{ themes }},
 			dtheme = "{{ dtheme }}",
@@ -160,10 +161,10 @@
 
 		document.documentElement.className = localStorage.theme || dtheme;
 	</script>
-	<script src="/.cpr/util.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/util.js?_={{ ts }}"></script>
-	<script src="/.cpr/baguettebox.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/baguettebox.js?_={{ ts }}"></script>
-	<script src="/.cpr/browser.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/browser.js?_={{ ts }}"></script>
-	<script src="/.cpr/up2k.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/up2k.js?_={{ ts }}"></script>
 	{%- if js %}
 	<script src="{{ js }}?_={{ ts }}"></script>
 	{%- endif %}

copyparty/web/browser.js

@@ -3647,7 +3647,7 @@ var showfile = (function () {
 		qsr('#prism_css');
 		var el = mknod('link', 'prism_css');
 		el.rel = 'stylesheet';
-		el.href = '/.cpr/deps/prism' + (light ? '' : 'd') + '.css';
+		el.href = SR + '/.cpr/deps/prism' + (light ? '' : 'd') + '.css';
 		document.head.appendChild(el);
 	};
 
@@ -3775,7 +3775,7 @@ var showfile = (function () {
 				if (!defer)
 					fun(el.firstChild);
 				else
-					import_js('/.cpr/deps/prism.js', function () { fun(); });
+					import_js(SR + '/.cpr/deps/prism.js', function () { fun(); });
 			}
 		}
 
@@ -4181,10 +4181,10 @@ var thegrid = (function () {
 			if (r.thumbs) {
 				ihref += '?th=' + (have_webp ? 'w' : 'j');
 				if (href == "#")
-					ihref = '/.cpr/ico/⏏️';
+					ihref = SR + '/.cpr/ico/⏏️';
 			}
 			else if (isdir) {
-				ihref = '/.cpr/ico/folder';
+				ihref = SR + '/.cpr/ico/folder';
 			}
 			else {
 				var ar = href.split('.');
@@ -4209,7 +4209,7 @@ var thegrid = (function () {
 					else
 						ext = "unk";
 				}
-				ihref = '/.cpr/ico/' + ext;
+				ihref = SR + '/.cpr/ico/' + ext;
 			}
 			ihref += (ihref.indexOf('?') > 0 ? '&' : '?') + 'cache=i';
 
@@ -4784,7 +4784,7 @@ document.onkeydown = function (e) {
 		clearTimeout(search_timeout);
 
 		var xhr = new XHR();
-		xhr.open('POST', '/?srch', true);
+		xhr.open('POST', SR + '/?srch', true);
 		xhr.setRequestHeader('Content-Type', 'text/plain');
 		xhr.onload = xhr.onerror = xhr_search_results;
 		xhr.ts = Date.now();
@@ -5323,7 +5323,12 @@ var treectl = (function () {
 			treegrow.call(this.previousSibling, e);
 			return;
 		}
-		r.reqls(this.getAttribute('href'), true);
+		var href = this.getAttribute('href');
+		if (R && !href.startsWith(SR)) {
+			window.location = href;
+			return;
+		}
+		r.reqls(href, true);
 		r.dir_cb = tree_scrollto;
 		thegrid.setvis(true);
 	}
@@ -5547,7 +5552,7 @@ var treectl = (function () {
 		qsr('#bbsw');
 		if (ls0 === null) {
 			var xhr = new XHR();
-			xhr.open('GET', '/?am_js', true);
+			xhr.open('GET', SR + '/?am_js', true);
 			xhr.send();
 
 			r.ls_cb = showfile.addlinks;
@@ -6552,7 +6557,7 @@ function show_md(md, name, div, url, depth) {
 		if (depth)
 			return toast.warn(10, errmsg + 'failed to load marked.js')
 
-		return import_js('/.cpr/deps/marked.js', function () {
+		return import_js(SR + '/.cpr/deps/marked.js', function () {
 			show_md(md, name, div, url, 1);
 		});
 	}
@@ -6705,7 +6710,7 @@ var unpost = (function () {
 			r.me = me;
 		}
 
-		var q = '/?ups';
+		var q = SR + '/?ups';
 		if (filt.value)
 			q += '&filter=' + uricom_enc(filt.value, true);
 
@@ -6771,7 +6776,7 @@ var unpost = (function () {
 		var xhr = new XHR();
 		xhr.n = n;
 		xhr.n2 = n2;
-		xhr.open('POST', '/?delete&lim=' + req.length, true);
+		xhr.open('POST', SR + '/?delete&lim=' + req.length, true);
 		xhr.onload = xhr.onerror = unpost_delete_cb;
 		xhr.send(JSON.stringify(req));
 	};

copyparty/web/browser2.html

@@ -57,7 +57,7 @@
 	<div>{{ logues[1] }}</div><br />
 	{%- endif %}
 	
-	<h2><a href="/{{ url_suf }}{{ url_suf and '&amp;' or '?' }}h">control-panel</a></h2>
+	<h2><a href="{{ r }}/{{ url_suf }}{{ url_suf and '&amp;' or '?' }}h">control-panel</a></h2>
 
 </body>
 </html>

copyparty/web/md.html

@@ -5,10 +5,10 @@
 	<meta name="viewport" content="width=device-width, initial-scale=0.7">
 	<meta name="theme-color" content="#333">
 {{ html_head }}
-	<link rel="stylesheet" href="/.cpr/ui.css?_={{ ts }}">
+	<link rel="stylesheet" href="{{ r }}/.cpr/ui.css?_={{ ts }}">
-	<link rel="stylesheet" href="/.cpr/md.css?_={{ ts }}">
+	<link rel="stylesheet" href="{{ r }}/.cpr/md.css?_={{ ts }}">
 	{%- if edit %}
-	<link rel="stylesheet" href="/.cpr/md2.css?_={{ ts }}">
+	<link rel="stylesheet" href="{{ r }}/.cpr/md2.css?_={{ ts }}">
 	{%- endif %}
 </head>
 <body>
@@ -128,7 +128,8 @@ write markdown (most html is 🙆 too)
 	
 	<script>
 
-var last_modified = {{ lastmod }},
+var SR = {{ r|tojson }},
+	last_modified = {{ lastmod }},
 	have_emp = {{ have_emp|tojson }},
 	dfavico = "{{ favico }}";
 
@@ -153,10 +154,10 @@ l.light = drk? 0:1;
 })();
 
 	</script>
-	<script src="/.cpr/util.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/util.js?_={{ ts }}"></script>
-	<script src="/.cpr/deps/marked.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/deps/marked.js?_={{ ts }}"></script>
-	<script src="/.cpr/md.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/md.js?_={{ ts }}"></script>
 	{%- if edit %}
-	<script src="/.cpr/md2.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/md2.js?_={{ ts }}"></script>
 	{%- endif %}
 </body></html>

copyparty/web/mde.html

@@ -5,10 +5,10 @@
 	<meta name="viewport" content="width=device-width, initial-scale=0.7">
 	<meta name="theme-color" content="#333">
 {{ html_head }}
-	<link rel="stylesheet" href="/.cpr/ui.css?_={{ ts }}">
+	<link rel="stylesheet" href="{{ r }}/.cpr/ui.css?_={{ ts }}">
-	<link rel="stylesheet" href="/.cpr/mde.css?_={{ ts }}">
+	<link rel="stylesheet" href="{{ r }}/.cpr/mde.css?_={{ ts }}">
-	<link rel="stylesheet" href="/.cpr/deps/mini-fa.css?_={{ ts }}">
+	<link rel="stylesheet" href="{{ r }}/.cpr/deps/mini-fa.css?_={{ ts }}">
-	<link rel="stylesheet" href="/.cpr/deps/easymde.css?_={{ ts }}">
+	<link rel="stylesheet" href="{{ r }}/.cpr/deps/easymde.css?_={{ ts }}">
 </head>
 <body>
 	<div id="mw">
@@ -26,7 +26,8 @@
 	<a href="#" id="repl">π</a>
 	<script>
 
-var last_modified = {{ lastmod }},
+var SR = {{ r|tojson }},
+	last_modified = {{ lastmod }},
 	have_emp = {{ have_emp|tojson }},
 	dfavico = "{{ favico }}";
 
@@ -48,8 +49,8 @@ l.light = drk? 0:1;
 })();
 
 	</script>
-	<script src="/.cpr/util.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/util.js?_={{ ts }}"></script>
-	<script src="/.cpr/deps/marked.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/deps/marked.js?_={{ ts }}"></script>
-	<script src="/.cpr/deps/easymde.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/deps/easymde.js?_={{ ts }}"></script>
-	<script src="/.cpr/mde.js?_={{ ts }}"></script>
+	<script src="{{ r }}/.cpr/mde.js?_={{ ts }}"></script>
 </body></html>

copyparty/web/msg.html

@@ -8,7 +8,7 @@
 	<meta name="viewport" content="width=device-width, initial-scale=0.8">
 	<meta name="theme-color" content="#333">
 {{ html_head }}
-	<link rel="stylesheet" media="screen" href="/.cpr/msg.css?_={{ ts }}">
+	<link rel="stylesheet" media="screen" href="{{ r }}/.cpr/msg.css?_={{ ts }}">
 </head>
 
 <body>

copyparty/web/splash.html

@@ -8,19 +8,19 @@
 	<meta name="viewport" content="width=device-width, initial-scale=0.8">
 	<meta name="theme-color" content="#333">
 {{ html_head }}
-	<link rel="stylesheet" media="screen" href="/.cpr/splash.css?_={{ ts }}">
+	<link rel="stylesheet" media="screen" href="{{ r }}/.cpr/splash.css?_={{ ts }}">
-	<link rel="stylesheet" media="screen" href="/.cpr/ui.css?_={{ ts }}">
+	<link rel="stylesheet" media="screen" href="{{ r }}/.cpr/ui.css?_={{ ts }}">
 </head>
 
 <body>
 	<div id="wrap">
-		<a id="a" href="/?h" class="af">refresh</a>
+		<a id="a" href="{{ r }}/?h" class="af">refresh</a>
-		<a id="v" href="/?hc" class="af">connect</a>
+		<a id="v" href="{{ r }}/?hc" class="af">connect</a>
 
 		{%- if this.uname == '*' %}
 			<p id="b">howdy stranger &nbsp; <small>(you're not logged in)</small></p>
 		{%- else %}
-			<a id="c" href="/?pw=x" class="logout">logout</a>
+			<a id="c" href="{{ r }}/?pw=x" class="logout">logout</a>
 			<p><span id="m">welcome back,</span> <strong>{{ this.uname }}</strong></p>
 		{%- endif %}
 
@@ -53,8 +53,8 @@
 			</table>
 		</td></tr></table>
 		<div class="btns">
-			<a id="d" href="/?stack">dump stack</a>
+			<a id="d" href="{{ r }}/?stack">dump stack</a>
-			<a id="e" href="/?reload=cfg">reload cfg</a>
+			<a id="e" href="{{ r }}/?reload=cfg">reload cfg</a>
 		</div>
 		{%- endif %}
 
@@ -79,18 +79,18 @@
 		<h1 id="cc">client config:</h1>
 		<ul>
 			{% if k304 %}
-			<li><a id="h" href="/?k304=n">disable k304</a> (currently enabled)
+			<li><a id="h" href="{{ r }}/?k304=n">disable k304</a> (currently enabled)
 			{%- else %}
-			<li><a id="i" href="/?k304=y" class="r">enable k304</a> (currently disabled)
+			<li><a id="i" href="{{ r }}/?k304=y" class="r">enable k304</a> (currently disabled)
 			{% endif %}
 			<blockquote id="j">enabling this will disconnect your client on every HTTP 304, which can prevent some buggy proxies from getting stuck (suddenly not loading pages), <em>but</em> it will also make things slower in general</blockquote></li>
 			
-			<li><a id="k" href="/?reset" class="r" onclick="localStorage.clear();return true">reset client settings</a></li>
+			<li><a id="k" href="{{ r }}/?reset" class="r" onclick="localStorage.clear();return true">reset client settings</a></li>
 		</ul>
 
 		<h1 id="l">login for more:</h1>
 		<ul>
-			<form method="post" enctype="multipart/form-data" action="/{{ qvpath }}">
+			<form method="post" enctype="multipart/form-data" action="{{ r }}/{{ qvpath }}">
 				<input type="hidden" name="act" value="login" />
 				<input type="password" name="cppwd" />
 				<input type="submit" value="Login" />
@@ -100,13 +100,14 @@
 	<a href="#" id="repl">π</a>
 	<script>
 
-var lang="{{ lang }}",
+var SR = {{ r|tojson }},
+	lang="{{ lang }}",
 	dfavico="{{ favico }}";
 
 document.documentElement.className=localStorage.theme||"{{ this.args.theme }}";
 
 </script>
-<script src="/.cpr/util.js?_={{ ts }}"></script>
+<script src="{{ r }}/.cpr/util.js?_={{ ts }}"></script>
-<script src="/.cpr/splash.js?_={{ ts }}"></script>
+<script src="{{ r }}/.cpr/splash.js?_={{ ts }}"></script>
 </body>
 </html>

copyparty/web/svcs.html

@@ -8,14 +8,14 @@
 	<meta name="viewport" content="width=device-width, initial-scale=0.8">
 	<meta name="theme-color" content="#333">
 {{ html_head }}
-	<link rel="stylesheet" media="screen" href="/.cpr/splash.css?_={{ ts }}">
+	<link rel="stylesheet" media="screen" href="{{ r }}/.cpr/splash.css?_={{ ts }}">
-	<link rel="stylesheet" media="screen" href="/.cpr/ui.css?_={{ ts }}">
+	<link rel="stylesheet" media="screen" href="{{ r }}/.cpr/ui.css?_={{ ts }}">
 </head>
 
 <body>
 	<div id="wrap" class="w">
         <div class="cn">
-            <p class="btns"><a href="/{{ vp }}">browse files</a> // <a href="/?h">control panel</a></p>
+            <p class="btns"><a href="{{ r }}/{{ vp }}">browse files</a> // <a href="{{ r }}/?h">control panel</a></p>
             <p>or choose your OS for cooler alternatives:</p>
             <div class="ossel">
                 <a id="swin" href="#">Windows</a>
@@ -53,7 +53,7 @@
             <p><em>note: if you are on LAN (or just dont have valid certificates), add <code>--no-check-certificate</code> to the mount command</em><br />---</p>
             {% endif %}
             
-            <p>if you want to use the native WebDAV client in windows instead (slow and buggy), first run <a href="/.cpr/a/webdav-cfg.bat">webdav-cfg.bat</a> to remove the 47 MiB filesize limit (also fixes latency and password login), then connect:</p>
+            <p>if you want to use the native WebDAV client in windows instead (slow and buggy), first run <a href="{{ r }}/.cpr/a/webdav-cfg.bat">webdav-cfg.bat</a> to remove the 47 MiB filesize limit (also fixes latency and password login), then connect:</p>
             <pre>
                 net use <b>w:</b> http{{ s }}://{{ ep }}/{{ vp }}{% if accs %} k /user:<b>{{ pw }}</b>{% endif %}
             </pre>
@@ -144,7 +144,7 @@
 
         <h1>partyfuse</h1>
         <p>
-            <a href="/.cpr/a/partyfuse.py">partyfuse.py</a> -- fast, read-only,
+            <a href="{{ r }}/.cpr/a/partyfuse.py">partyfuse.py</a> -- fast, read-only,
             <span class="os win">needs <a href="https://winfsp.dev/rel/">winfsp</a></span>
             <span class="os lin">doesn't need root</span>
         </p>
@@ -155,7 +155,7 @@
         <p><em>note: if you are on LAN (or just dont have valid certificates), add <code>-td</code></em></p>
         {% endif %}
         <p>
-            you can use <a href="/.cpr/a/up2k.py">up2k.py</a> to upload (sometimes faster than web-browsers)
+            you can use <a href="{{ r }}/.cpr/a/up2k.py">up2k.py</a> to upload (sometimes faster than web-browsers)
         </p>
 
 
@@ -188,13 +188,14 @@
 	<a href="#" id="repl">π</a>
 	<script>
 
-var lang="{{ lang }}",
+var SR = {{ r|tojson }},
+    lang="{{ lang }}",
 	dfavico="{{ favico }}";
 
 document.documentElement.className=localStorage.theme||"{{ args.theme }}";
 
 </script>
-<script src="/.cpr/util.js?_={{ ts }}"></script>
+<script src="{{ r }}/.cpr/util.js?_={{ ts }}"></script>
-<script src="/.cpr/svcs.js?_={{ ts }}"></script>
+<script src="{{ r }}/.cpr/svcs.js?_={{ ts }}"></script>
 </body>
 </html>

copyparty/web/ui.css

@@ -1,7 +1,7 @@
 @font-face {
 	font-family: 'scp';
 	font-display: swap;
-	src: local('Source Code Pro Regular'), local('SourceCodePro-Regular'), url(/.cpr/deps/scp.woff2) format('woff2');
+	src: local('Source Code Pro Regular'), local('SourceCodePro-Regular'), url(deps/scp.woff2) format('woff2');
 }
 html {
 	touch-action: manipulation;

copyparty/web/up2k.js

@@ -779,7 +779,7 @@ function up2k_init(subtle) {
 
     setTimeout(function () {
         if (window.WebAssembly && !hws.length)
-            fetch('/.cpr/w.hash.js' + CB);
+            fetch(SR + '/.cpr/w.hash.js' + CB);
     }, 1000);
 
     function showmodal(msg) {
@@ -809,7 +809,7 @@ function up2k_init(subtle) {
                 m = L.u_https1 + ' <a href="' + (window.location + '').replace(':', 's:') + '">' + L.u_https2 + '</a> ' + L.u_https3;
 
             showmodal('<h1>loading ' + fn + '</h1>');
-            import_js('/.cpr/deps/' + fn, unmodal);
+            import_js(SR + '/.cpr/deps/' + fn, unmodal);
 
             if (HTTPS) {
                 // chrome<37 firefox<34 edge<12 opera<24 safari<7
@@ -1312,7 +1312,7 @@ function up2k_init(subtle) {
 
         if (window.WebAssembly && !hws.length) {
             for (var a = 0; a < Math.min(navigator.hardwareConcurrency || 4, 16); a++)
-                hws.push(new Worker('/.cpr/w.hash.js' + CB));
+                hws.push(new Worker(SR + '/.cpr/w.hash.js' + CB));
 
             console.log(hws.length + " hashers");
         }

copyparty/web/util.js

@@ -9,6 +9,8 @@ if (!window.console || !console.log)
 var wah = '',
     L, tt, treectl, thegrid, up2k, asmCrypto, hashwasm, vbar, marked,
     CB = '?_=' + Date.now(),
+    R = SR.slice(1),
+    RS = R ? "/" + R : "",
     HALFMAX = 8192 * 8192 * 8192 * 8192,
     HTTPS = (window.location + '').indexOf('https:') === 0,
     TOUCH = 'ontouchstart' in window,

copyparty/web/w.hash.js

@@ -19,7 +19,7 @@ catch (ex) {
 }
 function load_fb() {
     subtle = null;
-    importScripts('/.cpr/deps/sha512.hw.js');
+    importScripts('deps/sha512.hw.js');
 }
 
 

scripts/deps-docker/mini-fa.css

@@ -9,7 +9,7 @@ font-family: 'fa';
 font-style: normal;
 font-weight: 400;
 font-display: block;
-src: url("/.cpr/deps/mini-fa.woff") format("woff");
+src: url("mini-fa.woff") format("woff");
 }
 
 .fa,