v0.10.1

README.md

@@ -72,7 +72,7 @@ you may also want these, especially on servers:
   * ☑ symlink/discard existing files (content-matching)
 * download
   * ☑ single files in browser
-  * ✖ folders as zip files
+  * ☑ folders as zip / tar files
   * ☑ FUSE client (read-only)
 * browser
   * ☑ tree-view

copyparty/__main__.py

@@ -261,6 +261,7 @@ def main():
     ap.add_argument("-nw", action="store_true", help="disable writes (benchmark)")
     ap.add_argument("-nih", action="store_true", help="no info hostname")
     ap.add_argument("-nid", action="store_true", help="no info disk-usage")
+    ap.add_argument("--no-zip", action="store_true", help="disable download as zip/tar")
     ap.add_argument("--no-sendfile", action="store_true", help="disable sendfile (for debugging)")
     ap.add_argument("--no-scandir", action="store_true", help="disable scandir (for debugging)")
     ap.add_argument("--urlform", metavar="MODE", type=str, default="print,get", help="how to handle url-forms")

copyparty/__version__.py

@@ -1,8 +1,8 @@
 # coding: utf-8
 
-VERSION = (0, 9, 13)
-CODENAME = "the strongest music server"
-BUILD_DT = (2021, 3, 23)
+VERSION = (0, 10, 1)
+CODENAME = "zip it"
+BUILD_DT = (2021, 3, 27)
 
 S_VERSION = ".".join(map(str, VERSION))
 S_BUILD_DT = "{0:04d}-{1:02d}-{2:02d}".format(*BUILD_DT)

copyparty/authsrv.py

@@ -4,6 +4,7 @@ from __future__ import print_function, unicode_literals
 import re
 import os
 import sys
+import stat
 import threading
 
 from .__init__ import PY2, WINDOWS
@@ -53,6 +54,7 @@ class VFS(object):
                 self.uwrite,
                 self.flags,
             )
+            self._trk(vn)
             self.nodes[name] = vn
             return self._trk(vn.add(src, dst))
 
@@ -127,6 +129,80 @@ class VFS(object):
 
         return [abspath, real, virt_vis]
 
+    def walk(self, rel, rem, uname, dots, scandir, lstat=False):
+        """
+        recursively yields from ./rem;
+        rel is a unix-style user-defined vpath (not vfs-related)
+        """
+
+        fsroot, vfs_ls, vfs_virt = self.ls(rem, uname, scandir, lstat)
+        rfiles = [x for x in vfs_ls if not stat.S_ISDIR(x[1].st_mode)]
+        rdirs = [x for x in vfs_ls if stat.S_ISDIR(x[1].st_mode)]
+
+        rfiles.sort()
+        rdirs.sort()
+
+        yield rel, fsroot, rfiles, rdirs, vfs_virt
+
+        for rdir, _ in rdirs:
+            if not dots and rdir.startswith("."):
+                continue
+
+            wrel = (rel + "/" + rdir).lstrip("/")
+            wrem = (rem + "/" + rdir).lstrip("/")
+            for x in self.walk(wrel, wrem, uname, scandir, lstat):
+                yield x
+
+        for n, vfs in sorted(vfs_virt.items()):
+            if not dots and n.startswith("."):
+                continue
+
+            wrel = (rel + "/" + n).lstrip("/")
+            for x in vfs.walk(wrel, "", uname, scandir, lstat):
+                yield x
+
+    def zipgen(self, vrem, rems, uname, dots, scandir):
+        vtops = [["", [self, vrem]]]
+        if rems:
+            # list of subfolders to zip was provided,
+            # add all the ones uname is allowed to access
+            vtops = []
+            for rem in rems:
+                try:
+                    d = rem if not vrem else vrem + "/" + rem
+                    vn = self.get(d, uname, True, False)
+                    vtops.append([rem, vn])
+                except:
+                    pass
+
+        for rel, (vn, rem) in vtops:
+            for vpath, apath, files, rd, vd in vn.walk(rel, rem, uname, dots, scandir):
+                # print(repr([vpath, apath, [x[0] for x in files]]))
+                fnames = [n[0] for n in files]
+                vpaths = [vpath + "/" + n for n in fnames] if vpath else fnames
+                apaths = [os.path.join(apath, n) for n in fnames]
+                files = list(zip(vpaths, apaths, files))
+
+                if not dots:
+                    # dotfile filtering based on vpath (intended visibility)
+                    files = [x for x in files if "/." not in "/" + x[0]]
+
+                    rm = [x for x in rd if x[0].startswith(".")]
+                    for x in rm:
+                        rd.remove(x)
+
+                    rm = [k for k in vd.keys() if k.startswith(".")]
+                    for x in rm:
+                        del vd[x]
+
+                # up2k filetring based on actual abspath
+                files = [
+                    x for x in files if "{0}.hist{0}up2k.".format(os.sep) not in x[1]
+                ]
+
+                for f in [{"vp": v, "ap": a, "st": n[1]} for v, a, n in files]:
+                    yield f
+
     def user_tree(self, uname, readable=False, writable=False):
         ret = []
         opt1 = readable and (uname in self.uread or "*" in self.uread)

copyparty/httpcli.py

@@ -7,6 +7,7 @@ import gzip
 import time
 import copy
 import json
+import string
 import socket
 import ctypes
 from datetime import datetime
@@ -14,6 +15,8 @@ import calendar
 
 from .__init__ import E, PY2, WINDOWS
 from .util import *  # noqa  # pylint: disable=unused-wildcard-import
+from .szip import StreamZip
+from .star import StreamTar
 
 if not PY2:
     unicode = str
@@ -52,6 +55,10 @@ class HttpCli(object):
         if rem.startswith("/") or rem.startswith("../") or "/../" in rem:
             raise Exception("that was close")
 
+    def j2(self, name, **kwargs):
+        tpl = self.conn.hsrv.j2[name]
+        return tpl.render(**kwargs) if kwargs else tpl
+
     def run(self):
         """returns true if connection can be reused"""
         self.keepalive = False
@@ -154,7 +161,9 @@ class HttpCli(object):
             try:
                 # self.log("pebkac at httpcli.run #2: " + repr(ex))
                 self.keepalive = self._check_nonfatal(ex)
-                self.loud_reply("{}: {}".format(str(ex), self.vpath), status=ex.code)
+                self.log("{}\033[0m: {}".format(str(ex), self.vpath), 3)
+                msg = "<pre>{}: {}\r\n".format(str(ex), self.vpath)
+                self.reply(msg.encode("utf-8", "replace"), status=ex.code)
                 return self.keepalive
             except Pebkac:
                 return False
@@ -417,15 +426,18 @@ class HttpCli(object):
         if "srch" in self.uparam or "srch" in body:
             return self.handle_search(body)
 
-        # prefer this over undot; no reason to allow traversion
-        if "/" in body["name"]:
-            raise Pebkac(400, "folders verboten")
-
         # up2k-php compat
         for k in "chunkpit.php", "handshake.php":
             if self.vpath.endswith(k):
                 self.vpath = self.vpath[: -len(k)]
 
+        sub = None
+        name = undot(body["name"])
+        if "/" in name:
+            sub, name = name.rsplit("/", 1)
+            self.vpath = "/".join([self.vpath, sub]).strip("/")
+            body["name"] = name
+
         vfs, rem = self.conn.auth.vfs.get(self.vpath, self.uname, False, True)
 
         body["vtop"] = vfs.vpath
@@ -434,12 +446,22 @@ class HttpCli(object):
         body["addr"] = self.ip
         body["vcfg"] = vfs.flags
 
-        x = self.conn.hsrv.broker.put(True, "up2k.handle_json", body)
-        response = x.get()
-        response = json.dumps(response)
+        if sub:
+            try:
+                dst = os.path.join(vfs.realpath, rem)
+                os.makedirs(dst)
+            except:
+                if not os.path.isdir(dst):
+                    raise Pebkac(400, "some file got your folder name")
 
-        self.log(response)
-        self.reply(response.encode("utf-8"), mime="application/json")
+        x = self.conn.hsrv.broker.put(True, "up2k.handle_json", body)
+        ret = x.get()
+        if sub:
+            ret["name"] = "/".join([sub, ret["name"]])
+
+        ret = json.dumps(ret)
+        self.log(ret)
+        self.reply(ret.encode("utf-8"), mime="application/json")
         return True
 
     def handle_search(self, body):
@@ -580,7 +602,7 @@ class HttpCli(object):
             pwd = "x"  # nosec
 
         h = {"Set-Cookie": "cppwd={}; Path=/; SameSite=Lax".format(pwd)}
-        html = self.conn.tpl_msg.render(h1=msg, h2='<a href="/">ack</a>', redir="/")
+        html = self.j2("msg", h1=msg, h2='<a href="/">ack</a>', redir="/")
         self.reply(html.encode("utf-8"), headers=h)
         return True
 
@@ -611,7 +633,8 @@ class HttpCli(object):
 
         vpath = "{}/{}".format(self.vpath, sanitized).lstrip("/")
         esc_paths = [quotep(vpath), html_escape(vpath)]
-        html = self.conn.tpl_msg.render(
+        html = self.j2(
+            "msg",
             h2='<a href="/{}">go to /{}</a>'.format(*esc_paths),
             pre="aight",
             click=True,
@@ -643,7 +666,8 @@ class HttpCli(object):
                 f.write(b"`GRUNNUR`\n")
 
         vpath = "{}/{}".format(self.vpath, sanitized).lstrip("/")
-        html = self.conn.tpl_msg.render(
+        html = self.j2(
+            "msg",
             h2='<a href="/{}?edit">go to /{}?edit</a>'.format(
                 quotep(vpath), html_escape(vpath)
             ),
@@ -749,7 +773,8 @@ class HttpCli(object):
                     ).encode("utf-8")
                 )
 
-        html = self.conn.tpl_msg.render(
+        html = self.j2(
+            "msg",
             h2='<a href="/{}">return to /{}</a>'.format(
                 quotep(self.vpath), html_escape(self.vpath)
             ),
@@ -1037,16 +1062,75 @@ class HttpCli(object):
         self.log("{},  {}".format(logmsg, spd))
         return ret
 
+    def tx_zip(self, fmt, uarg, vn, rem, items, dots):
+        if self.args.no_zip:
+            raise Pebkac(400, "not enabled")
+
+        logmsg = "{:4} {} ".format("", self.req)
+        self.keepalive = False
+
+        if not uarg:
+            uarg = ""
+
+        if fmt == "tar":
+            mime = "application/x-tar"
+            packer = StreamTar
+        else:
+            mime = "application/zip"
+            packer = StreamZip
+
+        fn = items[0] if items and items[0] else self.vpath
+        if fn:
+            fn = fn.rstrip("/").split("/")[-1]
+        else:
+            fn = self.headers.get("host", "hey")
+
+        afn = "".join(
+            [x if x in (string.ascii_letters + string.digits) else "_" for x in fn]
+        )
+
+        bascii = unicode(string.ascii_letters + string.digits).encode("utf-8")
+        ufn = fn.encode("utf-8", "xmlcharrefreplace")
+        if PY2:
+            ufn = [unicode(x) if x in bascii else "%{:02x}".format(ord(x)) for x in ufn]
+        else:
+            ufn = [
+                chr(x).encode("utf-8")
+                if x in bascii
+                else "%{:02x}".format(x).encode("ascii")
+                for x in ufn
+            ]
+        ufn = b"".join(ufn).decode("ascii")
+
+        cdis = "attachment; filename=\"{}.{}\"; filename*=UTF-8''{}.{}"
+        cdis = cdis.format(afn, fmt, ufn, fmt)
+        self.send_headers(None, mime=mime, headers={"Content-Disposition": cdis})
+
+        fgen = vn.zipgen(rem, items, self.uname, dots, not self.args.no_scandir)
+        # for f in fgen: print(repr({k: f[k] for k in ["vp", "ap"]}))
+        bgen = packer(fgen, utf8="utf" in uarg, pre_crc="crc" in uarg)
+        bsent = 0
+        for buf in bgen.gen():
+            if not buf:
+                break
+
+            try:
+                self.s.sendall(buf)
+                bsent += len(buf)
+            except:
+                logmsg += " \033[31m" + unicode(bsent) + "\033[0m"
+                break
+
+        spd = self._spd(bsent)
+        self.log("{},  {}".format(logmsg, spd))
+        return True
+
     def tx_md(self, fs_path):
         logmsg = "{:4} {} ".format("", self.req)
-        if "edit2" in self.uparam:
-            html_path = "web/mde.html"
-            template = self.conn.tpl_mde
-        else:
-            html_path = "web/md.html"
-            template = self.conn.tpl_md
 
-        html_path = os.path.join(E.mod, html_path)
+        tpl = "mde" if "edit2" in self.uparam else "md"
+        html_path = os.path.join(E.mod, "web", "{}.html".format(tpl))
+        template = self.j2(tpl)
 
         st = os.stat(fsenc(fs_path))
         # sz_md = st.st_size
@@ -1098,7 +1182,7 @@ class HttpCli(object):
     def tx_mounts(self):
         rvol = [x + "/" if x else x for x in self.rvol]
         wvol = [x + "/" if x else x for x in self.wvol]
-        html = self.conn.tpl_mounts.render(this=self, rvol=rvol, wvol=wvol)
+        html = self.j2("splash", this=self, rvol=rvol, wvol=wvol)
         self.reply(html.encode("utf-8"))
         return True
 
@@ -1187,6 +1271,11 @@ class HttpCli(object):
 
             return self.tx_file(abspath)
 
+        for k in ["zip", "tar"]:
+            v = self.uparam.get(k)
+            if v is not None:
+                return self.tx_zip(k, v, vn, rem, [], self.args.ed)
+
         fsroot, vfs_ls, vfs_virt = vn.ls(rem, self.uname, not self.args.no_scandir)
         stats = {k: v for k, v in vfs_ls}
         vfs_ls = [x[0] for x in vfs_ls]
@@ -1247,8 +1336,11 @@ class HttpCli(object):
 
             is_dir = stat.S_ISDIR(inf.st_mode)
             if is_dir:
-                margin = "DIR"
                 href += "/"
+                if self.args.no_zip:
+                    margin = "DIR"
+                else:
+                    margin = '<a href="{}?zip">zip</a>'.format(quotep(href))
             elif fn in hist:
                 margin = '<a href="{}.hist/{}">#{}</a>'.format(
                     base, html_escape(hist[fn][2], quote=True), hist[fn][0]
@@ -1372,7 +1464,8 @@ class HttpCli(object):
 
         dirs.extend(files)
 
-        html = self.conn.tpl_browser.render(
+        html = self.j2(
+            "browser",
             vdir=quotep(self.vpath),
             vpnodes=vpnodes,
             files=dirs,
@@ -1384,6 +1477,7 @@ class HttpCli(object):
             ),
             have_up2k_idx=("e2d" in vn.flags),
             have_tags_idx=("e2t" in vn.flags),
+            have_zip=(not self.args.no_zip),
             logues=logues,
             title=html_escape(self.vpath),
             srv_info=srv_info,

copyparty/httpconn.py

@@ -12,23 +12,6 @@ try:
 except:
     HAVE_SSL = False
 
-try:
-    import jinja2
-except ImportError:
-    print(
-        """\033[1;31m
-  you do not have jinja2 installed,\033[33m
-  choose one of these:\033[0m
-   * apt install python-jinja2
-   * {} -m pip install --user jinja2
-   * (try another python version, if you have one)
-   * (try copyparty.sfx instead)
-""".format(
-            os.path.basename(sys.executable)
-        )
-    )
-    sys.exit(1)
-
 from .__init__ import E
 from .util import Unrecv
 from .httpcli import HttpCli
@@ -57,14 +40,6 @@ class HttpConn(object):
         self.log_func = hsrv.log
         self.set_rproxy()
 
-        env = jinja2.Environment()
-        env.loader = jinja2.FileSystemLoader(os.path.join(E.mod, "web"))
-        self.tpl_mounts = env.get_template("splash.html")
-        self.tpl_browser = env.get_template("browser.html")
-        self.tpl_msg = env.get_template("msg.html")
-        self.tpl_md = env.get_template("md.html")
-        self.tpl_mde = env.get_template("mde.html")
-
     def set_rproxy(self, ip=None):
         if ip is None:
             color = 36

copyparty/httpsrv.py

@@ -2,10 +2,28 @@
 from __future__ import print_function, unicode_literals
 
 import os
+import sys
 import time
 import socket
 import threading
 
+try:
+    import jinja2
+except ImportError:
+    print(
+        """\033[1;31m
+  you do not have jinja2 installed,\033[33m
+  choose one of these:\033[0m
+   * apt install python-jinja2
+   * {} -m pip install --user jinja2
+   * (try another python version, if you have one)
+   * (try copyparty.sfx instead)
+""".format(
+            os.path.basename(sys.executable)
+        )
+    )
+    sys.exit(1)
+
 from .__init__ import E, MACOS
 from .httpconn import HttpConn
 from .authsrv import AuthSrv
@@ -30,6 +48,13 @@ class HttpSrv(object):
         self.workload_thr_alive = False
         self.auth = AuthSrv(self.args, self.log)
 
+        env = jinja2.Environment()
+        env.loader = jinja2.FileSystemLoader(os.path.join(E.mod, "web"))
+        self.j2 = {
+            x: env.get_template(x + ".html")
+            for x in ["splash", "browser", "msg", "md", "mde"]
+        }
+
         cert_path = os.path.join(E.cfg, "cert.pem")
         if os.path.exists(cert_path):
             self.cert_path = cert_path

copyparty/star.py

@@ -0,0 +1,64 @@
+import tarfile
+import threading
+
+from .util import Queue, fsenc
+
+
+class QFile(object):
+    """file-like object which buffers writes into a queue"""
+
+    def __init__(self):
+        self.q = Queue(64)
+
+    def write(self, buf):
+        self.q.put(buf)
+
+
+class StreamTar(object):
+    """construct in-memory tar file from the given path"""
+
+    def __init__(self, fgen, **kwargs):
+        self.ci = 0
+        self.co = 0
+        self.qfile = QFile()
+        self.fgen = fgen
+
+        # python 3.8 changed to PAX_FORMAT as default,
+        # waste of space and don't care about the new features
+        fmt = tarfile.GNU_FORMAT
+        self.tar = tarfile.open(fileobj=self.qfile, mode="w|", format=fmt)
+
+        w = threading.Thread(target=self._gen)
+        w.daemon = True
+        w.start()
+
+    def gen(self):
+        while True:
+            buf = self.qfile.q.get()
+            if buf is None:
+                break
+
+            self.co += len(buf)
+            yield buf
+
+        yield None
+
+    def _gen(self):
+        for f in self.fgen:
+            name = f["vp"]
+            src = f["ap"]
+            fsi = f["st"]
+
+            inf = tarfile.TarInfo(name=name)
+            inf.mode = fsi.st_mode
+            inf.size = fsi.st_size
+            inf.mtime = fsi.st_mtime
+            inf.uid = 0
+            inf.gid = 0
+
+            self.ci += inf.size
+            with open(fsenc(src), "rb", 512 * 1024) as f:
+                self.tar.addfile(inf, f)
+
+        self.tar.close()
+        self.qfile.q.put(None)

copyparty/szip.py

@@ -0,0 +1,244 @@
+import time
+import zlib
+import struct
+from datetime import datetime
+
+from .util import yieldfile, sanitize_fn
+
+
+def dostime2unix(buf):
+    t, d = struct.unpack("<HH", buf)
+
+    ts = (t & 0x1F) * 2
+    tm = (t >> 5) & 0x3F
+    th = t >> 11
+
+    dd = d & 0x1F
+    dm = (d >> 5) & 0xF
+    dy = (d >> 9) + 1980
+
+    tt = (dy, dm, dd, th, tm, ts)
+    tf = "{:04d}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}"
+    iso = tf.format(*tt)
+
+    dt = datetime.strptime(iso, "%Y-%m-%d %H:%M:%S")
+    return int(dt.timestamp())
+
+
+def unixtime2dos(ts):
+    tt = time.gmtime(ts)
+    dy, dm, dd, th, tm, ts = list(tt)[:6]
+
+    bd = ((dy - 1980) << 9) + (dm << 5) + dd
+    bt = (th << 11) + (tm << 5) + ts // 2
+    return struct.pack("<HH", bt, bd)
+
+
+def gen_fdesc(sz, crc32, z64):
+    ret = b"\x50\x4b\x07\x08"
+    fmt = "<LQQ" if z64 else "<LLL"
+    ret += struct.pack(fmt, crc32, sz, sz)
+    return ret
+
+
+def gen_hdr(h_pos, fn, sz, lastmod, utf8, crc32, pre_crc):
+    """
+    does regular file headers
+    and the central directory meme if h_pos is set
+    (h_pos = absolute position of the regular header)
+    """
+
+    # appnote 4.5 / zip 3.0 (2008) / unzip 6.0 (2009) says to add z64
+    # extinfo for values which exceed H, but that becomes an off-by-one
+    # (can't tell if it was clamped or exactly maxval), make it obvious
+    z64 = sz >= 0xFFFFFFFF
+    z64v = [sz, sz] if z64 else []
+    if h_pos and h_pos >= 0xFFFFFFFF:
+        # central, also consider ptr to original header
+        z64v.append(h_pos)
+
+    # confusingly this doesn't bump if h_pos
+    req_ver = b"\x2d\x00" if z64 else b"\x0a\x00"
+
+    if crc32:
+        crc32 = struct.pack("<L", crc32)
+    else:
+        crc32 = b"\x00" * 4
+
+    if h_pos is None:
+        # 4b magic, 2b min-ver
+        ret = b"\x50\x4b\x03\x04" + req_ver
+    else:
+        # 4b magic, 2b spec-ver, 2b min-ver
+        ret = b"\x50\x4b\x01\x02\x1e\x03" + req_ver
+
+    ret += b"\x00" if pre_crc else b"\x08"  # streaming
+    ret += b"\x08" if utf8 else b"\x00"  # appnote 6.3.2 (2007)
+
+    # 2b compression, 4b time, 4b crc
+    ret += b"\x00\x00" + unixtime2dos(lastmod) + crc32
+
+    # spec says to put zeros when !crc if bit3 (streaming)
+    # however infozip does actual sz and it even works on winxp
+    # (same reasning for z64 extradata later)
+    vsz = 0xFFFFFFFF if z64 else sz
+    ret += struct.pack("<LL", vsz, vsz)
+
+    # windows support (the "?" replace below too)
+    fn = sanitize_fn(fn, "/")
+    bfn = fn.encode("utf-8" if utf8 else "cp437", "replace").replace(b"?", b"_")
+
+    z64_len = len(z64v) * 8 + 4 if z64v else 0
+    ret += struct.pack("<HH", len(bfn), z64_len)
+
+    if h_pos is not None:
+        # 2b comment, 2b diskno, 2b internal.attr,
+        # 4b external.attr (infozip-linux: 0000(a481|ff81)) idk
+        ret += b"\x00" * 10
+
+        # 4b local-header-ofs
+        ret += struct.pack("<L", min(h_pos, 0xFFFFFFFF))
+
+    ret += bfn
+
+    if z64v:
+        ret += struct.pack("<HH" + "Q" * len(z64v), 1, len(z64v) * 8, *z64v)
+
+    return ret
+
+
+def gen_ecdr(items, cdir_pos, cdir_end):
+    """
+    summary of all file headers,
+    usually the zipfile footer unless something clamps
+    """
+
+    ret = b"\x50\x4b\x05\x06"
+
+    # 2b ndisk, 2b disk0
+    ret += b"\x00" * 4
+
+    cdir_sz = cdir_end - cdir_pos
+
+    nitems = min(0xFFFF, len(items))
+    csz = min(0xFFFFFFFF, cdir_sz)
+    cpos = min(0xFFFFFFFF, cdir_pos)
+
+    need_64 = nitems == 0xFFFF or 0xFFFFFFFF in [csz, cpos]
+
+    # 2b tnfiles, 2b dnfiles, 4b dir sz, 4b dir pos
+    ret += struct.pack("<HHLL", nitems, nitems, csz, cpos)
+
+    # 2b comment length
+    ret += b"\x00\x00"
+
+    return [ret, need_64]
+
+
+def gen_ecdr64(items, cdir_pos, cdir_end):
+    """
+    z64 end of central directory
+    added when numfiles or a headerptr clamps
+    """
+
+    ret = b"\x50\x4b\x06\x06"
+
+    # 8b own length from hereon
+    ret += b"\x2c" + b"\x00" * 7
+
+    # 2b spec-ver, 2b min-ver
+    ret += b"\x1e\x03\x2d\x00"
+
+    # 4b ndisk, 4b disk0
+    ret += b"\x00" * 8
+
+    # 8b tnfiles, 8b dnfiles, 8b dir sz, 8b dir pos
+    cdir_sz = cdir_end - cdir_pos
+    ret += struct.pack("<QQQQ", len(items), len(items), cdir_sz, cdir_pos)
+
+    return ret
+
+
+def gen_ecdr64_loc(ecdr64_pos):
+    """
+    z64 end of central directory locator
+    points to ecdr64
+    why
+    """
+
+    ret = b"\x50\x4b\x06\x07"
+
+    # 4b cdisk, 8b start of ecdr64, 4b ndisks
+    ret += struct.pack("<LQL", 0, ecdr64_pos, 1)
+
+    return ret
+
+
+class StreamZip(object):
+    def __init__(self, fgen, utf8=False, pre_crc=False):
+        self.fgen = fgen
+        self.utf8 = utf8
+        self.pre_crc = pre_crc
+
+        self.pos = 0
+        self.items = []
+
+    def _ct(self, buf):
+        self.pos += len(buf)
+        return buf
+
+    def gen(self):
+        for f in self.fgen:
+            name = f["vp"]
+            src = f["ap"]
+            st = f["st"]
+
+            sz = st.st_size
+            ts = st.st_mtime + 1
+
+            crc = None
+            if self.pre_crc:
+                crc = 0
+                for buf in yieldfile(src):
+                    crc = zlib.crc32(buf, crc)
+
+                crc &= 0xFFFFFFFF
+
+            h_pos = self.pos
+            buf = gen_hdr(None, name, sz, ts, self.utf8, crc, self.pre_crc)
+            yield self._ct(buf)
+
+            crc = crc or 0
+            for buf in yieldfile(src):
+                if not self.pre_crc:
+                    crc = zlib.crc32(buf, crc)
+
+                yield self._ct(buf)
+
+            crc &= 0xFFFFFFFF
+
+            self.items.append([name, sz, ts, crc, h_pos])
+
+            z64 = sz >= 4 * 1024 * 1024 * 1024
+
+            if z64 or not self.pre_crc:
+                buf = gen_fdesc(sz, crc, z64)
+                yield self._ct(buf)
+
+        cdir_pos = self.pos
+        for name, sz, ts, crc, h_pos in self.items:
+            buf = gen_hdr(h_pos, name, sz, ts, self.utf8, crc, self.pre_crc)
+            yield self._ct(buf)
+        cdir_end = self.pos
+
+        _, need_64 = gen_ecdr(self.items, cdir_pos, cdir_end)
+        if need_64:
+            ecdir64_pos = self.pos
+            buf = gen_ecdr64(self.items, cdir_pos, cdir_end)
+            yield self._ct(buf)
+
+            buf = gen_ecdr64_loc(ecdir64_pos)
+            yield self._ct(buf)
+
+        ecdr, _ = gen_ecdr(self.items, cdir_pos, cdir_end)
+        yield self._ct(ecdr)

copyparty/up2k.py

@@ -232,7 +232,8 @@ class Up2k(object):
                 (ft if v is True else ff if v is False else fv).format(k, str(v))
                 for k, v in flags.items()
             ]
-            self.log(" ".join(sorted(a)) + "\033[0m")
+            if a:
+                self.log(" ".join(sorted(a)) + "\033[0m")
 
             reg = {}
             path = os.path.join(ptop, ".hist", "up2k.snap")

copyparty/util.py

@@ -576,11 +576,12 @@ def undot(path):
     return "/".join(ret)
 
 
-def sanitize_fn(fn):
-    fn = fn.replace("\\", "/").split("/")[-1]
+def sanitize_fn(fn, ok=""):
+    if "/" not in ok:
+        fn = fn.replace("\\", "/").split("/")[-1]
 
     if WINDOWS:
-        for bad, good in [
+        for bad, good in [x for x in [
             ["<", "＜"],
             [">", "＞"],
             [":", "："],
@@ -590,7 +591,7 @@ def sanitize_fn(fn):
             ["|", "｜"],
             ["?", "？"],
             ["*", "＊"],
-        ]:
+        ] if x[0] not in ok]:
             fn = fn.replace(bad, good)
 
         bad = ["con", "prn", "aux", "nul"]
@@ -780,6 +781,16 @@ def read_socket_chunked(sr, log=None):
         sr.recv(2)  # \r\n after each chunk too
 
 
+def yieldfile(fn):
+    with open(fsenc(fn), "rb", 512 * 1024) as f:
+        while True:
+            buf = f.read(64 * 1024)
+            if not buf:
+                break
+
+            yield buf
+
+
 def hashcopy(actor, fin, fout):
     u32_lim = int((2 ** 31) * 0.9)
     hashobj = hashlib.sha512()

copyparty/web/browser.html

@@ -41,10 +41,12 @@
     <div id="op_cfg" class="opview opbox">
         <h3>key notation</h3>
         <div id="key_notation"></div>
+        {%- if have_zip %}
+        <h3>folder download</h3>
+        <div id="arc_fmt"></div>
+        {%- endif %}
         <h3>tooltips</h3>
-        <div>
-            <a id="tooltips" class="tglbtn" href="#">enable</a>
-        </div>
+        <div><a id="tooltips" class="tglbtn" href="#">enable</a></div>
     </div>
     
     <h1 id="path">

copyparty/web/browser.js

@@ -1149,6 +1149,7 @@ var treectl = (function () {
 
 		filecols.set_style();
 		mukey.render();
+		arcfmt.render();
 		reload_tree();
 		reload_browser();
 	}
@@ -1559,6 +1560,70 @@ function addcrc() {
 })();
 
 
+var arcfmt = (function () {
+	if (!ebi('arc_fmt'))
+		return { "render": function () { } };
+
+	var html = [],
+		arcfmts = ["tar", "zip", "zip_dos", "zip_crc"],
+		arcv = ["tar", "zip=utf8", "zip", "zip=crc"];
+
+	for (var a = 0; a < arcfmts.length; a++) {
+		var k = arcfmts[a];
+		html.push(
+			'<span><input type="radio" name="arcfmt" value="' + k + '" id="arcfmt_' + k + '">' +
+			'<label for="arcfmt_' + k + '">' + k + '</label></span>');
+	}
+	ebi('arc_fmt').innerHTML = html.join('\n');
+
+	var fmt = sread("arc_fmt") || "zip";
+	ebi('arcfmt_' + fmt).checked = true;
+
+	function render() {
+		var arg = arcv[arcfmts.indexOf(fmt)],
+			tds = document.querySelectorAll('#files tbody td:first-child a');
+
+		for (var a = 0, aa = tds.length; a < aa; a++) {
+			var o = tds[a], txt = o.textContent, href = o.getAttribute('href');
+			if (txt != 'tar' && txt != 'zip')
+				continue;
+
+			var ofs = href.lastIndexOf('?');
+			if (ofs < 0)
+				throw 'missing arg in url';
+
+			o.setAttribute("href", href.slice(0, ofs + 1) + arg);
+			o.textContent = fmt.split('_')[0];
+		}
+	}
+
+	function try_render() {
+		try {
+			render();
+		}
+		catch (ex) {
+			console.log("arcfmt failed: " + ex);
+		}
+	}
+
+	function change_fmt(e) {
+		ev(e);
+		fmt = this.getAttribute('value');
+		swrite("arc_fmt", fmt);
+		try_render();
+	}
+
+	var o = document.querySelectorAll('#arc_fmt input');
+	for (var a = 0; a < o.length; a++) {
+		o[a].onchange = change_fmt;
+	}
+
+	return {
+		"render": try_render
+	};
+})();
+
+
 function ev_row_tgl(e) {
 	ev(e);
 	filecols.toggle(this.parentElement.parentElement.getElementsByTagName('span')[0].textContent);
@@ -1611,3 +1676,4 @@ function reload_browser(not_mp) {
 }
 reload_browser(true);
 mukey.render();
+arcfmt.render();

copyparty/web/md.html

@@ -147,7 +147,7 @@ var md_opt = {
 
 	</script>
     <script src="/.cpr/util.js"></script>
-	<script src="/.cpr/deps/marked.full.js"></script>
+	<script src="/.cpr/deps/marked.js"></script>
 	<script src="/.cpr/md.js"></script>
 	{%- if edit %}
 	<script src="/.cpr/md2.js"></script>

copyparty/web/up2k.js

@@ -278,18 +278,27 @@ function up2k_init(have_crypto) {
         }
         else files = e.target.files;
 
-        if (files.length == 0)
+        if (!files || files.length == 0)
             return alert('no files selected??');
 
         more_one_file();
         var bad_files = [];
         var good_files = [];
+        var dirs = [];
         for (var a = 0; a < files.length; a++) {
             var fobj = files[a];
             if (is_itemlist) {
                 if (fobj.kind !== 'file')
                     continue;
 
+                try {
+                    var wi = fobj.webkitGetAsEntry();
+                    if (wi.isDirectory) {
+                        dirs.push(wi);
+                        continue;
+                    }
+                }
+                catch (ex) { }
                 fobj = fobj.getAsFile();
             }
             try {
@@ -300,12 +309,69 @@ function up2k_init(have_crypto) {
                 bad_files.push(fobj.name);
                 continue;
             }
-            good_files.push(fobj);
+            good_files.push([fobj, fobj.name]);
+        }
+        if (dirs) {
+            return read_dirs(null, [], dirs, good_files, bad_files);
+        }
+    }
+
+    function read_dirs(rd, pf, dirs, good, bad) {
+        if (!dirs.length) {
+            if (!pf.length)
+                return gotallfiles(good, bad);
+
+            console.log("retry pf, " + pf.length);
+            setTimeout(function () {
+                read_dirs(rd, pf, dirs, good, bad);
+            }, 50);
+            return;
         }
 
+        if (!rd)
+            rd = dirs[0].createReader();
+
+        rd.readEntries(function (ents) {
+            var ngot = 0;
+            ents.forEach(function (dn) {
+                if (dn.isDirectory) {
+                    dirs.push(dn);
+                }
+                else {
+                    var name = dn.fullPath;
+                    if (name.indexOf('/') === 0)
+                        name = name.slice(1);
+
+                    pf.push(name);
+                    dn.file(function (fobj) {
+                        var idx = pf.indexOf(name);
+                        pf.splice(idx, 1);
+                        try {
+                            if (fobj.size > 0) {
+                                good.push([fobj, name]);
+                                return;
+                            }
+                        }
+                        catch (ex) { }
+                        bad.push(name);
+                    });
+                }
+                ngot += 1;
+            });
+            // console.log("ngot: " + ngot);
+            if (!ngot) {
+                dirs.shift();
+                rd = null;
+            }
+            return read_dirs(rd, pf, dirs, good, bad);
+        });
+    }
+
+    function gotallfiles(good_files, bad_files) {
         if (bad_files.length > 0) {
-            var msg = 'These {0} files (of {1} total) were skipped because they are empty:\n'.format(bad_files.length, files.length);
-            for (var a = 0; a < bad_files.length; a++)
+            var ntot = bad_files.length + good_files.length;
+            var msg = 'These {0} files (of {1} total) were skipped because they are empty:\n'.format(bad_files.length, ntot);
+            for (var a = 0, aa = Math.min(20, bad_files.length); a < aa; a++)
                 msg += '-- ' + bad_files[a] + '\n';
 
             if (files.length - bad_files.length <= 1 && /(android)/i.test(navigator.userAgent))
@@ -315,21 +381,21 @@ function up2k_init(have_crypto) {
         }
 
         var msg = ['upload these ' + good_files.length + ' files?'];
-        for (var a = 0; a < good_files.length; a++)
-            msg.push(good_files[a].name);
+        for (var a = 0, aa = Math.min(20, good_files.length); a < aa; a++)
+            msg.push(good_files[a][1]);
 
         if (ask_up && !fsearch && !confirm(msg.join('\n')))
             return;
 
         for (var a = 0; a < good_files.length; a++) {
-            var fobj = good_files[a];
+            var fobj = good_files[a][0];
             var now = new Date().getTime();
             var lmod = fobj.lastModified || now;
             var entry = {
                 "n": parseInt(st.files.length.toString()),
-                "t0": now,  // TODO remove probably
+                "t0": now,
                 "fobj": fobj,
-                "name": fobj.name,
+                "name": good_files[a][1],
                 "size": fobj.size,
                 "lmod": lmod / 1000,
                 "purl": get_evpath(),

copyparty/web/upload.css

@@ -88,7 +88,7 @@
 	width: 30em;
 }
 #u2conf.has_btn {
-	width: 46em;
+	width: 48em;
 }
 #u2conf * {
 	text-align: center;

copyparty/web/upload.html

@@ -73,7 +73,8 @@
             <div id="u2btn_ct">
                 <div id="u2btn">
                     <span id="u2bm"></span><br />
-                    drop files here<br />
+                    drag/drop files<br />
+                    and folders here<br />
                     (or click me)
                 </div>
             </div>

copyparty/web/util.js

@@ -237,7 +237,10 @@ function goto(dest) {
     goto();
     var op = sread('opmode');
     if (op !== null && op !== '.')
-        goto(op);
+        try {
+            goto(op);
+        }
+        catch (ex) { }
 })();