v1.7.0

* when accessing files inside an xdev volume, verify that the file
   exists on the same device/filesystem as the volume root

* when accessing files inside an xvol volume, verify that the file
   exists within any volume where the user has read access

.vscode/launch.py

@@ -30,9 +30,17 @@ except:
 
 argv = [os.path.expanduser(x) if x.startswith("~") else x for x in argv]
 
+sfx = ""
+if len(sys.argv) > 1 and os.path.isfile(sys.argv[1]):
+    sfx = sys.argv[1]
+    sys.argv = [sys.argv[0]] + sys.argv[2:]
+
 argv += sys.argv[1:]
 
-if re.search(" -j ?[0-9]", " ".join(argv)):
+if sfx:
+    argv = [sys.executable, sfx] + argv
+    sp.check_call(argv)
+elif re.search(" -j ?[0-9]", " ".join(argv)):
     argv = [sys.executable, "-m", "copyparty"] + argv
     sp.check_call(argv)
 else:

README.md

@@ -41,6 +41,7 @@ turn almost any device into a file server with resumable uploads/downloads using
     * [batch rename](#batch-rename) - select some files and press `F2` to bring up the rename UI
     * [media player](#media-player) - plays almost every audio format there is
         * [audio equalizer](#audio-equalizer) - bass boosted
+        * [fix unreliable playback on android](#fix-unreliable-playback-on-android) - due to phone / app settings
     * [markdown viewer](#markdown-viewer) - and there are *two* editors
     * [other tricks](#other-tricks)
     * [searching](#searching) - search by size, date, path/name, mp3-tags, ...
@@ -69,6 +70,8 @@ turn almost any device into a file server with resumable uploads/downloads using
     * [themes](#themes)
     * [complete examples](#complete-examples)
     * [reverse-proxy](#reverse-proxy) - running copyparty next to other websites
+* [packages](#packages) - the party might be closer than you think
+    * [arch package](#arch-package) - now [available on aur](https://aur.archlinux.org/packages/copyparty) maintained by [@icxes](https://github.com/icxes)
     * [nix package](#nix-package) - `nix profile install github:9001/copyparty`
     * [nixos module](#nixos-module)
 * [browser support](#browser-support) - TLDR: yes
@@ -103,7 +106,7 @@ just run **[copyparty-sfx.py](https://github.com/9001/copyparty/releases/latest/
 
 * or install through pypi (python3 only): `python3 -m pip install --user -U copyparty`
 * or if you cannot install python, you can use [copyparty.exe](#copypartyexe) instead
-* or [install through nix](#nix-package), or [on NixOS](#nixos-module)
+* or [install through nix](#nix-package), or [on NixOS](#nixos-module), or [on arch](#arch-package)
 * or if you are on android, [install copyparty in termux](#install-on-android)
 * or if you prefer to [use docker](./scripts/docker/) 🐋 you can do that too
   * docker has all deps built-in, so skip this step:
@@ -275,6 +278,8 @@ server notes:
 
 * [Firefox issue 1790500](https://bugzilla.mozilla.org/show_bug.cgi?id=1790500) -- entire browser can crash after uploading ~4000 small files
 
+* Android: music playback randomly stops due to [battery usage settings](#fix-unreliable-playback-on-android)
+
 * iPhones: the volume control doesn't work because [apple doesn't want it to](https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/Using_HTML5_Audio_Video/Device-SpecificConsiderations/Device-SpecificConsiderations.html#//apple_ref/doc/uid/TP40009523-CH5-SW11)
   * *future workaround:* enable the equalizer, make it all-zero, and set a negative boost to reduce the volume
     * "future" because `AudioContext` can't maintain a stable playback speed in the current iOS version (15.7), maybe one day...
@@ -701,6 +706,11 @@ can also boost the volume in general, or increase/decrease stereo width (like [c
 has the convenient side-effect of reducing the pause between songs, so gapless albums play better with the eq enabled (just make it flat)
 
 
+### fix unreliable playback on android
+
+due to phone / app settings,  android phones may randomly stop playing music when the power saver kicks in, especially at the end of an album -- you can fix it by [disabling power saving](https://user-images.githubusercontent.com/241032/235262123-c328cca9-3930-4948-bd18-3949b9fd3fcf.png) in the [app settings](https://user-images.githubusercontent.com/241032/235262121-2ffc51ae-7821-4310-a322-c3b7a507890c.png) of the browser you use for music streaming (preferably a dedicated one)
+
+
 ## markdown viewer
 
 and there are *two* editors
@@ -948,7 +958,11 @@ avoid traversing into other filesystems  using `--xdev` / volflag `:c,xdev`, ski
 
 and/or you can `--xvol` / `:c,xvol` to ignore all symlinks leaving the volume's top directory, but still allow bind-mounts pointing elsewhere
 
-**NB: only affects the indexer** -- users can still access anything inside a volume, unless shadowed by another volume
+* symlinks are permitted with `xvol` if they point into another volume where the user has the same level of access
+
+these options will reduce performance; unlikely worst-case estimates are 14% reduction for directory listings, 35% for download-as-tar
+
+as of copyparty v1.7.0 these options also prevent file access at runtime -- in previous versions it was just hints for the indexer
 
 ### periodic rescan
 
@@ -1176,6 +1190,16 @@ example webserver configs:
 * [apache2 config](contrib/apache/copyparty.conf) -- location-based
 
 
+# packages
+
+the party might be closer than you think
+
+
+## arch package
+
+now [available on aur](https://aur.archlinux.org/packages/copyparty) maintained by [@icxes](https://github.com/icxes)
+
+
 ## nix package
 
 `nix profile install github:9001/copyparty`

bin/up2k.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 from __future__ import print_function, unicode_literals
 
-S_VERSION = "1.7"
-S_BUILD_DT = "2023-04-26"
+S_VERSION = "1.8"
+S_BUILD_DT = "2023-04-27"
 
 """
 up2k.py: upload to copyparty
@@ -348,6 +348,8 @@ def undns(url):
     try:
         gai = socket.getaddrinfo(hn, None)
         hn = gai[0][4][0]
+    except KeyboardInterrupt:
+        raise
     except:
         t = "\n\033[31mfailed to resolve upload destination host;\033[0m\ngai={0}\n"
         eprint(t.format(repr(gai)))
@@ -1100,7 +1102,7 @@ source file/folder selection uses rsync syntax, meaning that:
 
     ap = app.add_argument_group("compatibility")
     ap.add_argument("--cls", action="store_true", help="clear screen before start")
-    ap.add_argument("--rh", action="store_true", help="resolve server hostname before upload (good for buggy networks, but TLS certs will break)")
+    ap.add_argument("--rh", type=int, metavar="TRIES", default=0, help="resolve server hostname before upload (good for buggy networks, but TLS certs will break)")
 
     ap = app.add_argument_group("folder sync")
     ap.add_argument("--dl", action="store_true", help="delete local files after uploading")
@@ -1157,8 +1159,15 @@ source file/folder selection uses rsync syntax, meaning that:
         with open(fn, "rb") as f:
             ar.a = f.read().decode("utf-8").strip()
 
-    if ar.rh:
-        ar.url = undns(ar.url)
+    for n in range(ar.rh):
+        try:
+            ar.url = undns(ar.url)
+            break
+        except KeyboardInterrupt:
+            raise
+        except:
+            if n > ar.rh - 2:
+                raise
 
     if ar.cls:
         eprint("\x1b\x5b\x48\x1b\x5b\x32\x4a\x1b\x5b\x33\x4a", end="")

contrib/package/arch/PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: icxes <dev.null@need.moe>
 pkgname=copyparty
-pkgver="1.6.14"
+pkgver="1.6.15"
 pkgrel=1
 pkgdesc="Portable file sharing hub"
 arch=("any")
@@ -26,7 +26,7 @@ source=("${url}/releases/download/v${pkgver}/${pkgname}-sfx.py"
         "https://raw.githubusercontent.com/9001/${pkgname}/v${pkgver}/LICENSE"
 )
 backup=("etc/${pkgname}.d/init" )
-sha256sums=("f3294a22fdd086605fe8d14bfeff620c6cff45c9019fd7d4af1a0ddd9e0d3947"
+sha256sums=("efe3fe8710ef8f3b50b1eb0f935f8620e378bdee48f592d77a1c5cf3ed7ce244"
             "b8565eba5e64dedba1cf6c7aac7e31c5a731ed7153d6810288a28f00a36c28b2"
             "f65c207e0670f9d78ad2e399bda18d5502ff30d2ac79e0e7fc48e7fbdc39afdc"
             "c4f396b083c9ec02ad50b52412c84d2a82be7f079b2d016e1c9fad22d68285ff"

contrib/package/nix/copyparty/pin.json

@@ -1,5 +1,5 @@
 {
-    "url": "https://github.com/9001/copyparty/releases/download/v1.6.14/copyparty-sfx.py",
-    "version": "1.6.14",
-    "hash": "sha256-8ylKIv3QhmBf6NFL/v9iDGz/RckBn9fUrxoN3Z4NOUc="
+    "url": "https://github.com/9001/copyparty/releases/download/v1.6.15/copyparty-sfx.py",
+    "version": "1.6.15",
+    "hash": "sha256-7+P+hxDvjztQsesPk1+GION4ve5I9ZLXehxc8+184kQ="
 }

copyparty/__main__.py

@@ -773,6 +773,7 @@ def add_ftp(ap):
     ap2.add_argument("--ftp", metavar="PORT", type=int, help="enable FTP server on PORT, for example \033[32m3921")
     ap2.add_argument("--ftps", metavar="PORT", type=int, help="enable FTPS server on PORT, for example \033[32m3990")
     ap2.add_argument("--ftpv", action="store_true", help="verbose")
+    ap2.add_argument("--ftp4", action="store_true", help="only listen on IPv4")
     ap2.add_argument("--ftp-wt", metavar="SEC", type=int, default=7, help="grace period for resuming interrupted uploads (any client can write to any file last-modified more recently than SEC seconds ago)")
     ap2.add_argument("--ftp-nat", metavar="ADDR", type=u, help="the NAT address to use for passive connections")
     ap2.add_argument("--ftp-pr", metavar="P-P", type=u, help="the range of TCP ports to use for passive connections, for example \033[32m12000-13000")
@@ -837,6 +838,8 @@ def add_safety(ap, fk_salt):
     ap2.add_argument("-ss", action="store_true", help="further increase safety: Prevent js-injection, accidental move/delete, broken symlinks, webdav, 404 on 403, ban on excessive 404s.\n └─Alias of\033[32m -s --unpost=0 --no-del --no-mv --hardlink --vague-403 --ban-404=50,60,1440 -nih")
     ap2.add_argument("-sss", action="store_true", help="further increase safety: Enable logging to disk, scan for dangerous symlinks.\n └─Alias of\033[32m -ss --no-dav --no-logues --no-readme -lo=cpp-%%Y-%%m%%d-%%H%%M%%S.txt.xz --ls=**,*,ln,p,r")
     ap2.add_argument("--ls", metavar="U[,V[,F]]", type=u, help="do a sanity/safety check of all volumes on startup; arguments \033[33mUSER\033[0m,\033[33mVOL\033[0m,\033[33mFLAGS\033[0m; example [\033[32m**,*,ln,p,r\033[0m]")
+    ap2.add_argument("--xvol", action="store_true", help="never follow symlinks leaving the volume root, unless the link is into another volume where the user has similar access (volflag=xvol)")
+    ap2.add_argument("--xdev", action="store_true", help="stay within the filesystem of the volume root; do not descend into other devices (symlink or bind-mount to another HDD, ...) (volflag=xdev)")
     ap2.add_argument("--salt", type=u, default="hunter2", help="up2k file-hash salt; serves no purpose, no reason to change this (but delete all databases if you do)")
     ap2.add_argument("--fk-salt", metavar="SALT", type=u, default=fk_salt, help="per-file accesskey salt; used to generate unpredictable URLs for hidden files -- this one DOES matter")
     ap2.add_argument("--no-dot-mv", action="store_true", help="disallow moving dotfiles; makes it impossible to move folders containing dotfiles")
@@ -930,8 +933,6 @@ def add_db_general(ap, hcores):
     ap2.add_argument("--no-forget", action="store_true", help="never forget indexed files, even when deleted from disk -- makes it impossible to ever upload the same file twice (volflag=noforget)")
     ap2.add_argument("--dbd", metavar="PROFILE", default="wal", help="database durability profile; sets the tradeoff between robustness and speed, see --help-dbd (volflag=dbd)")
     ap2.add_argument("--xlink", action="store_true", help="on upload: check all volumes for dupes, not just the target volume (volflag=xlink)")
-    ap2.add_argument("--xdev", action="store_true", help="do not descend into other filesystems (symlink or bind-mount to another HDD, ...) (volflag=xdev)")
-    ap2.add_argument("--xvol", action="store_true", help="skip symlinks leaving the volume root (volflag=xvol)")
     ap2.add_argument("--hash-mt", metavar="CORES", type=int, default=hcores, help="num cpu cores to use for file hashing; set 0 or 1 for single-core hashing")
     ap2.add_argument("--re-maxage", metavar="SEC", type=int, default=0, help="disk rescan volume interval, 0=off (volflag=scan)")
     ap2.add_argument("--db-act", metavar="SEC", type=float, default=10, help="defer any scheduled volume reindexing until SEC seconds after last db write (uploads, renames, ...)")

copyparty/__version__.py

@@ -1,8 +1,8 @@
 # coding: utf-8
 
-VERSION = (1, 6, 15)
-CODENAME = "cors k"
-BUILD_DT = (2023, 4, 26)
+VERSION = (1, 7, 0)
+CODENAME = "unlinked"
+BUILD_DT = (2023, 4, 29)
 
 S_VERSION = ".".join(map(str, VERSION))
 S_BUILD_DT = "{0:04d}-{1:02d}-{2:02d}".format(*BUILD_DT)

copyparty/authsrv.py

@@ -285,6 +285,8 @@ class VFS(object):
         self.vpath = vpath  # absolute path in the virtual filesystem
         self.axs = axs
         self.flags = flags  # config options
+        self.root = self
+        self.dev = 0  # st_dev
         self.nodes: dict[str, VFS] = {}  # child nodes
         self.histtab: dict[str, str] = {}  # all realpath->histpath
         self.dbv: Optional[VFS] = None  # closest full/non-jump parent
@@ -297,11 +299,17 @@ class VFS(object):
         self.apget: dict[str, list[str]] = {}
 
         if realpath:
+            rp = realpath + ("" if realpath.endswith(os.sep) else os.sep)
+            vp = vpath + ("/" if vpath else "")
             self.histpath = os.path.join(realpath, ".hist")  # db / thumbcache
             self.all_vols = {vpath: self}  # flattened recursive
+            self.all_aps = [(rp, self)]
+            self.all_vps = [(vp, self)]
         else:
             self.histpath = ""
             self.all_vols = {}
+            self.all_aps = []
+            self.all_vps = []
 
     def __repr__(self) -> str:
         return "VFS(%s)" % (
@@ -311,12 +319,22 @@ class VFS(object):
             )
         )
 
-    def get_all_vols(self, outdict: dict[str, "VFS"]) -> None:
+    def get_all_vols(
+        self,
+        vols: dict[str, "VFS"],
+        aps: list[tuple[str, "VFS"]],
+        vps: list[tuple[str, "VFS"]],
+    ) -> None:
         if self.realpath:
-            outdict[self.vpath] = self
+            vols[self.vpath] = self
+            rp = self.realpath
+            rp += "" if rp.endswith(os.sep) else os.sep
+            vp = self.vpath + ("/" if self.vpath else "")
+            aps.append((rp, self))
+            vps.append((vp, self))
 
         for v in self.nodes.values():
-            v.get_all_vols(outdict)
+            v.get_all_vols(vols, aps, vps)
 
     def add(self, src: str, dst: str) -> "VFS":
         """get existing, or add new path to the vfs"""
@@ -390,7 +408,11 @@ class VFS(object):
         self, vpath: str, uname: str
     ) -> tuple[bool, bool, bool, bool, bool, bool]:
         """can Read,Write,Move,Delete,Get,Upget"""
-        vn, _ = self._find(undot(vpath))
+        if vpath:
+            vn, _ = self._find(undot(vpath))
+        else:
+            vn = self
+
         c = vn.axs
         return (
             uname in c.uread or "*" in c.uread,
@@ -545,6 +567,15 @@ class VFS(object):
                 self.log("vfs.walk", t.format(seen[-1], fsroot, self.vpath, rem), 3)
             return
 
+        if "xdev" in self.flags or "xvol" in self.flags:
+            rm1 = []
+            for le in vfs_ls:
+                ap = absreal(os.path.join(fsroot, le[0]))
+                vn2 = self.chk_ap(ap)
+                if not vn2 or not vn2.get("", uname, True, False):
+                    rm1.append(le)
+            _ = [vfs_ls.remove(x) for x in rm1]  # type: ignore
+
         seen = seen[:] + [fsroot]
         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)]
@@ -643,6 +674,44 @@ class VFS(object):
             for d in [{"vp": v, "ap": a, "st": n} for v, a, n in ret2]:
                 yield d
 
+    def chk_ap(self, ap: str, st: Optional[os.stat_result] = None) -> Optional["VFS"]:
+        aps = ap + os.sep
+        if "xdev" in self.flags and not ANYWIN:
+            if not st:
+                ap2 = ap.replace("\\", "/") if ANYWIN else ap
+                while ap2:
+                    try:
+                        st = bos.stat(ap2)
+                        break
+                    except:
+                        if "/" not in ap2:
+                            raise
+                        ap2 = ap2.rsplit("/", 1)[0]
+                assert st
+
+            vdev = self.dev
+            if not vdev:
+                vdev = self.dev = bos.stat(self.realpath).st_dev
+
+            if vdev != st.st_dev:
+                if self.log:
+                    t = "xdev: {}[{}] => {}[{}]"
+                    self.log("vfs", t.format(vdev, self.realpath, st.st_dev, ap), 3)
+
+                return None
+
+        if "xvol" in self.flags:
+            for vap, vn in self.root.all_aps:
+                if aps.startswith(vap):
+                    return vn
+
+            if self.log:
+                self.log("vfs", "xvol: [{}]".format(ap), 3)
+
+            return None
+
+        return self
+
 
 if WINDOWS:
     re_vol = re.compile(r"^([a-zA-Z]:[\\/][^:]*|[^:]*):([^:]*):(.*)$")
@@ -1069,7 +1138,13 @@ class AuthSrv(object):
 
         assert vfs
         vfs.all_vols = {}
-        vfs.get_all_vols(vfs.all_vols)
+        vfs.all_aps = []
+        vfs.all_vps = []
+        vfs.get_all_vols(vfs.all_vols, vfs.all_aps, vfs.all_vps)
+        for vol in vfs.all_vols.values():
+            vol.all_aps.sort(key=lambda x: len(x[0]), reverse=True)
+            vol.all_vps.sort(key=lambda x: len(x[0]), reverse=True)
+            vol.root = vfs
 
         for perm in "read write move del get pget".split():
             axs_key = "u" + perm

copyparty/cfg.py

@@ -107,7 +107,7 @@ flagcats = {
         "dbd=[acid|swal|wal|yolo]": "database speed-durability tradeoff",
         "xlink": "cross-volume dupe detection / linking",
         "xdev": "do not descend into other filesystems",
-        "xvol": "skip symlinks leaving the volume root",
+        "xvol": "do not follow symlinks leaving the volume root",
         "dotsrch": "show dotfiles in search results",
         "nodotsrch": "hide dotfiles in search results (default)",
     },

copyparty/ftpd.py

@@ -2,6 +2,7 @@
 from __future__ import print_function, unicode_literals
 
 import argparse
+import errno
 import logging
 import os
 import stat
@@ -46,6 +47,12 @@ if True:  # pylint: disable=using-constant-test
     from typing import Any, Optional
 
 
+class FSE(FilesystemError):
+    def __init__(self, msg: str, severity: int = 0) -> None:
+        super(FilesystemError, self).__init__(msg)
+        self.severity = severity
+
+
 class FtpAuth(DummyAuthorizer):
     def __init__(self, hub: "SvcHub") -> None:
         super(FtpAuth, self).__init__()
@@ -128,10 +135,6 @@ class FtpFs(AbstractedFS):
         self.listdirinfo = self.listdir
         self.chdir(".")
 
-    def die(self, msg):
-        self.h.die(msg)
-        raise Exception()
-
     def v2a(
         self,
         vpath: str,
@@ -141,21 +144,34 @@ class FtpFs(AbstractedFS):
         d: bool = False,
     ) -> tuple[str, VFS, str]:
         try:
-            vpath = vpath.replace("\\", "/").lstrip("/")
+            vpath = vpath.replace("\\", "/").strip("/")
             rd, fn = os.path.split(vpath)
             if ANYWIN and relchk(rd):
                 logging.warning("malicious vpath: %s", vpath)
-                self.die("Unsupported characters in filepath")
+                t = "Unsupported characters in [{}]"
+                raise FSE(t.format(vpath), 1)
 
             fn = sanitize_fn(fn or "", "", [".prologue.html", ".epilogue.html"])
             vpath = vjoin(rd, fn)
             vfs, rem = self.hub.asrv.vfs.get(vpath, self.uname, r, w, m, d)
             if not vfs.realpath:
-                self.die("No filesystem mounted at this path")
+                t = "No filesystem mounted at [{}]"
+                raise FSE(t.format(vpath))
+
+            if "xdev" in vfs.flags or "xvol" in vfs.flags:
+                ap = vfs.canonical(rem)
+                avfs = vfs.chk_ap(ap)
+                t = "Permission denied in [{}]"
+                if not avfs:
+                    raise FSE(t.format(vpath), 1)
+
+                cr, cw, cm, cd, _, _ = avfs.can_access("", self.h.uname)
+                if r and not cr or w and not cw or m and not cm or d and not cd:
+                    raise FSE(t.format(vpath), 1)
 
             return os.path.join(vfs.realpath, rem), vfs, rem
         except Pebkac as ex:
-            self.die(str(ex))
+            raise FSE(str(ex))
 
     def rv2a(
         self,
@@ -178,7 +194,7 @@ class FtpFs(AbstractedFS):
     def validpath(self, path: str) -> bool:
         if "/.hist/" in path:
             if "/up2k." in path or path.endswith("/dir.txt"):
-                self.die("Access to this file is forbidden")
+                raise FSE("Access to this file is forbidden", 1)
 
         return True
 
@@ -195,7 +211,7 @@ class FtpFs(AbstractedFS):
                 td = 0
 
             if td < -1 or td > self.args.ftp_wt:
-                self.die("Cannot open existing file for writing")
+                raise FSE("Cannot open existing file for writing")
 
         self.validpath(ap)
         return open(fsenc(ap), mode)
@@ -204,9 +220,17 @@ class FtpFs(AbstractedFS):
         nwd = join(self.cwd, path)
         vfs, rem = self.hub.asrv.vfs.get(nwd, self.uname, False, False)
         ap = vfs.canonical(rem)
-        if not bos.path.isdir(ap):
+        try:
+            st = bos.stat(ap)
+            if not stat.S_ISDIR(st.st_mode):
+                raise Exception()
+        except:
             # returning 550 is library-default and suitable
-            self.die("Failed to change directory")
+            raise FSE("No such file or directory")
+
+        avfs = vfs.chk_ap(ap, st)
+        if not avfs:
+            raise FSE("Permission denied", 1)
 
         self.cwd = nwd
         (
@@ -216,16 +240,18 @@ class FtpFs(AbstractedFS):
             self.can_delete,
             self.can_get,
             self.can_upget,
-        ) = self.hub.asrv.vfs.can_access(self.cwd.lstrip("/"), self.h.uname)
+        ) = avfs.can_access("", self.h.uname)
 
     def mkdir(self, path: str) -> None:
         ap = self.rv2a(path, w=True)[0]
         bos.makedirs(ap)  # filezilla expects this
 
     def listdir(self, path: str) -> list[str]:
-        vpath = join(self.cwd, path).lstrip("/")
+        vpath = join(self.cwd, path)
         try:
-            vfs, rem = self.hub.asrv.vfs.get(vpath, self.uname, True, False)
+            ap, vfs, rem = self.v2a(vpath, True, False)
+            if not bos.path.isdir(ap):
+                raise FSE("No such file or directory", 1)
 
             fsroot, vfs_ls1, vfs_virt = vfs.ls(
                 rem,
@@ -241,8 +267,12 @@ class FtpFs(AbstractedFS):
 
             vfs_ls.sort()
             return vfs_ls
-        except:
-            if vpath:
+        except Exception as ex:
+            # panic on malicious names
+            if getattr(ex, "severity", 0):
+                raise
+
+            if vpath.strip("/"):
                 # display write-only folders as empty
                 return []
 
@@ -252,31 +282,35 @@ class FtpFs(AbstractedFS):
 
     def rmdir(self, path: str) -> None:
         ap = self.rv2a(path, d=True)[0]
-        bos.rmdir(ap)
+        try:
+            bos.rmdir(ap)
+        except OSError as e:
+            if e.errno != errno.ENOENT:
+                raise
 
     def remove(self, path: str) -> None:
         if self.args.no_del:
-            self.die("The delete feature is disabled in server config")
+            raise FSE("The delete feature is disabled in server config")
 
         vp = join(self.cwd, path).lstrip("/")
         try:
-            self.hub.up2k.handle_rm(self.uname, self.h.cli_ip, [vp], [])
+            self.hub.up2k.handle_rm(self.uname, self.h.cli_ip, [vp], [], False)
         except Exception as ex:
-            self.die(str(ex))
+            raise FSE(str(ex))
 
     def rename(self, src: str, dst: str) -> None:
         if not self.can_move:
-            self.die("Not allowed for user " + self.h.uname)
+            raise FSE("Not allowed for user " + self.h.uname)
 
         if self.args.no_mv:
-            self.die("The rename/move feature is disabled in server config")
+            raise FSE("The rename/move feature is disabled in server config")
 
         svp = join(self.cwd, src).lstrip("/")
         dvp = join(self.cwd, dst).lstrip("/")
         try:
             self.hub.up2k.handle_mv(self.uname, svp, dvp)
         except Exception as ex:
-            self.die(str(ex))
+            raise FSE(str(ex))
 
     def chmod(self, path: str, mode: str) -> None:
         pass
@@ -285,7 +319,10 @@ class FtpFs(AbstractedFS):
         try:
             ap = self.rv2a(path, r=True)[0]
             return bos.stat(ap)
-        except:
+        except FSE as ex:
+            if ex.severity:
+                raise
+
             ap = self.rv2a(path)[0]
             st = bos.stat(ap)
             if not stat.S_ISDIR(st.st_mode):
@@ -305,7 +342,10 @@ class FtpFs(AbstractedFS):
         try:
             st = self.stat(path)
             return stat.S_ISREG(st.st_mode)
-        except:
+        except Exception as ex:
+            if getattr(ex, "severity", 0):
+                raise
+
             return False  # expected for mojibake in ftp_SIZE()
 
     def islink(self, path: str) -> bool:
@@ -316,7 +356,10 @@ class FtpFs(AbstractedFS):
         try:
             st = self.stat(path)
             return stat.S_ISDIR(st.st_mode)
-        except:
+        except Exception as ex:
+            if getattr(ex, "severity", 0):
+                raise
+
             return True
 
     def getsize(self, path: str) -> int:
@@ -366,14 +409,10 @@ class FtpHandler(FTPHandler):
         # reduce non-debug logging
         self.log_cmds_list = [x for x in self.log_cmds_list if x not in ("CWD", "XCWD")]
 
-    def die(self, msg):
-        self.respond("550 {}".format(msg))
-        raise FilesystemError(msg)
-
     def ftp_STOR(self, file: str, mode: str = "w") -> Any:
         # Optional[str]
         vp = join(self.fs.cwd, file).lstrip("/")
-        ap, vfs, rem = self.fs.v2a(vp)
+        ap, vfs, rem = self.fs.v2a(vp, w=True)
         self.vfs_map[ap] = vp
         xbu = vfs.flags.get("xbu")
         if xbu and not runhook(
@@ -389,7 +428,7 @@ class FtpHandler(FTPHandler):
             0,
             "",
         ):
-            self.die("Upload blocked by xbu server config")
+            raise FSE("Upload blocked by xbu server config")
 
         # print("ftp_STOR: {} {} => {}".format(vp, mode, ap))
         ret = FTPHandler.ftp_STOR(self, file, mode)
@@ -489,6 +528,9 @@ class Ftpd(object):
         if "::" in ips:
             ips.append("0.0.0.0")
 
+        if self.args.ftp4:
+            ips = [x for x in ips if ":" not in x]
+
         ioloop = IOLoop()
         for ip in ips:
             for h, lp in hs:

copyparty/httpcli.py

@@ -135,6 +135,7 @@ class HttpCli(object):
         self.ouparam: dict[str, str] = {}
         self.uparam: dict[str, str] = {}
         self.cookies: dict[str, str] = {}
+        self.avn: Optional[VFS] = None
         self.vpath = " "
         self.uname = " "
         self.pw = " "
@@ -411,6 +412,13 @@ class HttpCli(object):
             uparam["b"] = ""
             cookies["b"] = ""
 
+        vn, rem = self.asrv.vfs.get(self.vpath, self.uname, False, False)
+        if "xdev" in vn.flags or "xvol" in vn.flags:
+            ap = vn.canonical(rem)
+            avn = vn.chk_ap(ap)
+        else:
+            avn = vn
+
         (
             self.can_read,
             self.can_write,
@@ -418,7 +426,10 @@ class HttpCli(object):
             self.can_delete,
             self.can_get,
             self.can_upget,
-        ) = self.asrv.vfs.can_access(self.vpath, self.uname)
+        ) = (
+            avn.can_access("", self.uname) if avn else [False] * 6
+        )
+        self.avn = avn
 
         self.s.settimeout(self.args.s_tbody or None)
 
@@ -875,7 +886,7 @@ class HttpCli(object):
         try:
             topdir = {"vp": "", "st": bos.stat(tap)}
         except OSError as ex:
-            if ex.errno != errno.ENOENT:
+            if ex.errno not in (errno.ENOENT, errno.ENOTDIR):
                 raise
             raise Pebkac(404)
 
@@ -1152,18 +1163,9 @@ class HttpCli(object):
         dst = self.headers["destination"]
         dst = re.sub("^https?://[^/]+", "", dst).lstrip()
         dst = unquotep(dst)
-        if not self._mv(self.vpath, dst):
+        if not self._mv(self.vpath, dst.lstrip("/")):
             return False
 
-        # up2k only cares about files and removes all empty folders;
-        # clients naturally expect empty folders to survive a rename
-        vn, rem = self.asrv.vfs.get(dst, self.uname, False, False)
-        dabs = vn.canonical(rem)
-        try:
-            bos.makedirs(dabs)
-        except:
-            pass
-
         return True
 
     def _applesan(self) -> bool:
@@ -3054,7 +3056,7 @@ class HttpCli(object):
         ret = self.gen_tree(top, dst)
         if self.is_vproxied:
             parents = self.args.R.split("/")
-            for parent in parents[::-1]:
+            for parent in reversed(parents):
                 ret = {"k%s" % (parent,): ret, "a": []}
 
         zs = json.dumps(ret)
@@ -3193,7 +3195,9 @@ class HttpCli(object):
         nlim = int(self.uparam.get("lim") or 0)
         lim = [nlim, nlim] if nlim else []
 
-        x = self.conn.hsrv.broker.ask("up2k.handle_rm", self.uname, self.ip, req, lim)
+        x = self.conn.hsrv.broker.ask(
+            "up2k.handle_rm", self.uname, self.ip, req, lim, False
+        )
         self.loud_reply(x.get())
         return True
 
@@ -3210,7 +3214,7 @@ class HttpCli(object):
         # x-www-form-urlencoded (url query part) uses
         # either + or %20 for 0x20 so handle both
         dst = unquotep(dst.replace("+", " "))
-        return self._mv(self.vpath, dst)
+        return self._mv(self.vpath, dst.lstrip("/"))
 
     def _mv(self, vsrc: str, vdst: str) -> bool:
         if not self.can_move:

copyparty/smbd.py

@@ -261,7 +261,7 @@ class SMB(object):
             yeet("blocked delete (no-del-acc): " + vpath)
 
         vpath = vpath.replace("\\", "/").lstrip("/")
-        self.hub.up2k.handle_rm(LEELOO_DALLAS, "1.7.6.2", [vpath], [])
+        self.hub.up2k.handle_rm(LEELOO_DALLAS, "1.7.6.2", [vpath], [], False)
 
     def _utime(self, vpath: str, times: tuple[float, float]) -> None:
         if not self.args.smbw:

copyparty/up2k.py

@@ -384,7 +384,7 @@ class Up2k(object):
                         if vp:
                             fvp = "%s/%s" % (vp, fvp)
 
-                        self._handle_rm(LEELOO_DALLAS, "", fvp, [])
+                        self._handle_rm(LEELOO_DALLAS, "", fvp, [], True)
                         nrm += 1
 
                 if nrm:
@@ -2897,7 +2897,9 @@ class Up2k(object):
             except:
                 pass
 
-    def handle_rm(self, uname: str, ip: str, vpaths: list[str], lim: list[int]) -> str:
+    def handle_rm(
+        self, uname: str, ip: str, vpaths: list[str], lim: list[int], rm_up: bool
+    ) -> str:
         n_files = 0
         ok = {}
         ng = {}
@@ -2906,7 +2908,7 @@ class Up2k(object):
                 self.log("hit delete limit of {} files".format(lim[1]), 3)
                 break
 
-            a, b, c = self._handle_rm(uname, ip, vp, lim)
+            a, b, c = self._handle_rm(uname, ip, vp, lim, rm_up)
             n_files += a
             for k in b:
                 ok[k] = 1
@@ -2920,7 +2922,7 @@ class Up2k(object):
         return "deleted {} files (and {}/{} folders)".format(n_files, iok, iok + ing)
 
     def _handle_rm(
-        self, uname: str, ip: str, vpath: str, lim: list[int]
+        self, uname: str, ip: str, vpath: str, lim: list[int], rm_up: bool
     ) -> tuple[int, list[str], list[str]]:
         self.db_act = time.time()
         try:
@@ -3027,16 +3029,22 @@ class Up2k(object):
                 if xad:
                     runhook(self.log, xad, abspath, vpath, "", uname, 0, 0, ip, 0, "")
 
-        ok: list[str] = []
-        ng: list[str] = []
         if is_dir:
             ok, ng = rmdirs(self.log_func, scandir, True, atop, 1)
+        else:
+            ok = ng = []
 
-        ok2, ng2 = rmdirs_up(os.path.dirname(atop), ptop)
+        if rm_up:
+            ok2, ng2 = rmdirs_up(os.path.dirname(atop), ptop)
+        else:
+            ok2 = ng2 = []
 
         return n_files, ok + ok2, ng + ng2
 
     def handle_mv(self, uname: str, svp: str, dvp: str) -> str:
+        if svp == dvp or dvp.startswith(svp + "/"):
+            raise Pebkac(400, "mv: cannot move parent into subfolder")
+
         svn, srem = self.asrv.vfs.get(svp, uname, True, False, True)
         svn, srem = svn.get_dbv(srem)
         sabs = svn.canonical(srem, False)
@@ -3090,8 +3098,21 @@ class Up2k(object):
 
             curs.clear()
 
-        rmdirs(self.log_func, scandir, True, sabs, 1)
-        rmdirs_up(os.path.dirname(sabs), svn.realpath)
+        rm_ok, rm_ng = rmdirs(self.log_func, scandir, True, sabs, 1)
+
+        for zsl in (rm_ok, rm_ng):
+            for ap in reversed(zsl):
+                if not ap.startswith(sabs):
+                    raise Pebkac(500, "mv_d: bug at {}, top {}".format(ap, sabs))
+
+                rem = ap[len(sabs) :].replace(os.sep, "/").lstrip("/")
+                vp = vjoin(dvp, rem)
+                try:
+                    dvn, drem = self.asrv.vfs.get(vp, uname, False, True)
+                    bos.mkdir(dvn.canonical(drem))
+                except:
+                    pass
+
         return "k"
 
     def _mv_file(

copyparty/util.py

@@ -2270,7 +2270,7 @@ def rmdirs(
     dirs = [os.path.join(top, x) for x in dirs]
     ok = []
     ng = []
-    for d in dirs[::-1]:
+    for d in reversed(dirs):
         a, b = rmdirs(logger, scandir, lstat, d, depth + 1)
         ok += a
         ng += b

copyparty/web/browser.css

@@ -1159,10 +1159,10 @@ html.y #widget.open {
 	background: #fff;
 	background: var(--bg-u3);
 }
-#wfm, #wzip, #wnp {
+#wfs, #wfm, #wzip, #wnp {
 	display: none;
 }
-#wzip, #wnp {
+#wfs, #wzip, #wnp {
 	margin-right: .2em;
 	padding-right: .2em;
 	border: 1px solid var(--bg-u5);
@@ -1174,6 +1174,7 @@ html.y #widget.open {
 	padding-left: .2em;
 	border-left-width: .1em;
 }
+#wfs.act,
 #wfm.act {
 	display: inline-block;
 }
@@ -1197,6 +1198,13 @@ html.y #widget.open {
 	position: relative;
 	display: inline-block;
 }
+#wfs {
+	font-size: .36em;
+	text-align: right;
+	line-height: 1.3em;
+	padding: 0 .3em 0 0;
+	border-width: 0 .25em 0 0;
+}
 #wfm span,
 #wnp span {
 	font-size: .6em;

copyparty/web/browser.js

@@ -261,6 +261,7 @@ var Ls = {
 		"mm_e403": "Could not play audio; error 403: Access denied.\n\nTry pressing F5 to reload, maybe you got logged out",
 		"mm_e5xx": "Could not play audio; server error ",
 		"mm_nof": "not finding any more audio files nearby",
+		"mm_pwrsv": "<p>it looks like playback is being interrupted by your phone's power-saving settings!</p>" + '<p>please go to <a target="_blank" href="https://user-images.githubusercontent.com/241032/235262121-2ffc51ae-7821-4310-a322-c3b7a507890c.png">the app settings of your browser</a> and then <a target="_blank" href="https://user-images.githubusercontent.com/241032/235262123-c328cca9-3930-4948-bd18-3949b9fd3fcf.png">allow unrestricted battery usage</a> to fix it.</p><p>(probably a good idea to use a separate browser dedicated for just music streaming...)</p>',
 		"mm_hnf": "that song no longer exists",
 
 		"im_hnf": "that image no longer exists",
@@ -721,6 +722,7 @@ var Ls = {
 		"mm_e403": "Avspilling feilet: Tilgang nektet.\n\nKanskje du ble logget ut?\nPrøv å trykk F5 for å laste siden på nytt.",
 		"mm_e5xx": "Avspilling feilet: ",
 		"mm_nof": "finner ikke flere sanger i nærheten",
+		"mm_pwrsv": "<p>det ser ut som musikken ble avbrutt av telefonen sine strømsparings-innstillinger!</p>" + '<p>ta en tur innom <a target="_blank" href="https://user-images.githubusercontent.com/241032/235262121-2ffc51ae-7821-4310-a322-c3b7a507890c.png">app-innstillingene til nettleseren din</a> og så <a target="_blank" href="https://user-images.githubusercontent.com/241032/235262123-c328cca9-3930-4948-bd18-3949b9fd3fcf.png">tillat ubegrenset batteriforbruk</a></p><p>(sikkert smart å ha en egen nettleser kun for musikkspilling...)</p>',
 		"mm_hnf": "sangen finnes ikke lenger",
 
 		"im_hnf": "bildet finnes ikke lenger",
@@ -952,6 +954,7 @@ ebi('ops').innerHTML = (
 // media player
 ebi('widget').innerHTML = (
 	'<div id="wtoggle">' +
+	'<span id="wfs"></span>' +
 	'<span id="wfm"><a' +
 	' href="#" id="fren" tt="' + L.wt_ren + '">✎<span>name</span></a><a' +
 	' href="#" id="fdel" tt="' + L.wt_del + '">⌫<span>del.</span></a><a' +
@@ -1482,7 +1485,8 @@ var mpl = (function () {
 		ebi('np_title').textContent = np.title || '';
 		ebi('np_dur').textContent = np['.dur'] || '';
 		ebi('np_url').textContent = get_vpath() + np.file.split('?')[0];
-		ebi('np_img').setAttribute('src', cover || ''); // dont give last.fm the pwd
+		if (!MOBILE)
+			ebi('np_img').setAttribute('src', cover || ''); // dont give last.fm the pwd
 
 		navigator.mediaSession.metadata = new MediaMetadata(tags);
 		navigator.mediaSession.setActionHandler('play', mplay);
@@ -1540,6 +1544,7 @@ var re_au_native = can_ogg ? /\.(aac|flac|m4a|mp3|ogg|opus|wav)$/i :
 
 // extract songs + add play column
 var mpo = { "au": null, "au2": null, "acs": null };
+var t_fchg = 0;
 function MPlayer() {
 	var r = this;
 	r.id = Date.now();
@@ -2161,17 +2166,30 @@ function song_skip(n) {
 	else
 		play(mp.order[n == -1 ? mp.order.length - 1 : 0]);
 }
+function next_song_sig(e) {
+	t_fchg = document.hasFocus() ? 0 : Date.now();
+	return next_song_cmn(e);
+}
 function next_song(e) {
+	t_fchg = 0;
+	return next_song_cmn(e);
+}
+function next_song_cmn(e) {
 	ev(e);
 	if (mp.order.length) {
 		mpl.traversals = 0;
 		return song_skip(1);
 	}
 	if (mpl.traversals++ < 5) {
-		treectl.ls_cb = next_song;
+		if (MOBILE && t_fchg && Date.now() - t_fchg > 30 * 1000)
+			modal.alert(L.mm_pwrsv);
+
+		t_fchg = document.hasFocus() ? 0 : Date.now();
+		treectl.ls_cb = next_song_cmn;
 		return tree_neigh(1);
 	}
 	toast.inf(10, L.mm_nof);
+	t_fchg = 0;
 }
 function prev_song(e) {
 	ev(e);
@@ -2287,6 +2305,10 @@ var mpui = (function () {
 			return;
 		}
 
+		var pos = mp.au.currentTime;
+		if (!isNum(pos))
+			pos = 0;
+
 		// indicate playback state in ui
 		widget.paused(mp.au.paused);
 
@@ -2309,10 +2331,18 @@ var mpui = (function () {
 				pbar.drawbuf();
 		}
 
+		if (pos > 0.3 && t_fchg) {
+			// cannot check document.hasFocus to avoid false positives;
+			// it continues on power-on, doesn't need to be in-browser
+			if (MOBILE && Date.now() - t_fchg > 30 * 1000)
+				modal.alert(L.mm_pwrsv);
+
+			t_fchg = 0;
+		}
+
 		// preload next song
 		if (mpl.preload && preloaded != mp.au.rsrc) {
-			var pos = mp.au.currentTime,
-				len = mp.au.duration,
+			var len = mp.au.duration,
 				rem = pos > 1 ? len - pos : 999,
 				full = null;
 
@@ -2705,6 +2735,7 @@ function play(tid, is_ev, seek) {
 			tn = 0;
 		}
 		else if (mpl.pb_mode == 'next') {
+			t_fchg = document.hasFocus() ? 0 : Date.now();
 			treectl.ls_cb = next_song;
 			return tree_neigh(1);
 		}
@@ -2734,7 +2765,7 @@ function play(tid, is_ev, seek) {
 		mp.au.onerror = evau_error;
 		mp.au.onprogress = pbar.drawpos;
 		mp.au.onplaying = mpui.progress_updater;
-		mp.au.onended = next_song;
+		mp.au.onended = next_song_sig;
 		widget.open();
 	}
 
@@ -2751,7 +2782,7 @@ function play(tid, is_ev, seek) {
 		mp.au.onerror = evau_error;
 		mp.au.onprogress = pbar.drawpos;
 		mp.au.onplaying = mpui.progress_updater;
-		mp.au.onended = next_song;
+		mp.au.onended = next_song_sig;
 		t = mp.au.currentTime;
 		if (isNum(t) && t > 0.1)
 			mp.au.currentTime = 0;
@@ -2811,7 +2842,7 @@ function play(tid, is_ev, seek) {
 		toast.err(0, esc(L.mm_playerr + basenames(ex)));
 	}
 	clmod(ebi(oid), 'act');
-	setTimeout(next_song, 5000);
+	setTimeout(next_song_sig, 5000);
 }
 
 
@@ -3238,7 +3269,9 @@ var fileman = (function () {
 		if (r.clip === null)
 			r.clip = jread('fman_clip', []).slice(1);
 
-		var nsel = msel.getsel().length;
+		var sel = msel.getsel(),
+			nsel = sel.length;
+
 		clmod(bren, 'en', nsel);
 		clmod(bdel, 'en', nsel);
 		clmod(bcut, 'en', nsel);
@@ -3250,9 +3283,51 @@ var fileman = (function () {
 		clmod(bpst, 'hide', !(have_mv && has(perms, 'write')));
 		clmod(ebi('wfm'), 'act', QS('#wfm a.en:not(.hide)'));
 
+		var wfs = ebi('wfs'), h = '';
+		try {
+			wfs.innerHTML = h = r.fsi(sel);
+		}
+		catch (ex) { }
+		clmod(wfs, 'act', h);
+
 		bpst.setAttribute('tt', L.ft_paste.format(r.clip.length));
 	};
 
+	r.fsi = function (sel) {
+		if (!sel.length)
+			return '';
+
+		var lf = treectl.lsc.files,
+			nf = 0,
+			sz = 0,
+			dur = 0,
+			ntab = new Set();
+
+		for (var a = 0; a < sel.length; a++)
+			ntab.add(sel[a].vp.split('/').pop());
+
+		for (var a = 0; a < lf.length; a++) {
+			if (!ntab.has(lf[a].href.split('?')[0]))
+				continue;
+
+			var f = lf[a];
+			nf++;
+			sz += f.sz;
+			if (f.tags && f.tags['.dur'])
+				dur += f.tags['.dur']
+		}
+
+		if (!nf)
+			return '';
+
+		var ret = '{0}<br />{1}<small>F</small>'.format(humansize(sz), nf);
+
+		if (dur)
+			ret += ' ' + s2ms(dur);
+
+		return ret;
+	};
+
 	r.rename = function (e) {
 		ev(e);
 		if (clgot(bren, 'hide'))
@@ -7281,9 +7356,6 @@ ebi('files').onclick = ebi('docul').onclick = function (e) {
 
 function reload_mp() {
 	if (mp && mp.au) {
-		if (afilt)
-			afilt.stop();
-
 		mpo.au = mp.au;
 		mpo.au2 = mp.au2;
 		mpo.acs = mp.acs;

docs/changelog.md

@@ -1,3 +1,32 @@
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+# 2023-0426-2300  `v1.6.15`  unexpected boost
+
+## new features
+* 30% faster folder listings due to [the very last thing](https://github.com/9001/copyparty/commit/55c74ad164633a0a64dceb51f7f534da0422cbb5) i'd ever expect to be a bottleneck, [thx perf](https://docs.python.org/3.12/howto/perf_profiling.html)
+* option to see the lastmod timestamps of symlinks instead of the target files
+  * makes the turbo mode of [u2cli, the commandline uploader and folder-sync tool](https://github.com/9001/copyparty/blob/hovudstraum/bin/up2k.py) more turbo since copyparty dedupes uploads by symlinking to an existing copy and the symlink is stamped with the deduped file's lastmod
+  * **webdav:** enabled by default (because rclone will want this), can be disabled with arg `--dav-rt` or volflag `davrt`
+  * **http:** disabled by default, can be enabled per-request with urlparam `lt`
+* [u2cli](https://github.com/9001/copyparty/blob/hovudstraum/bin/up2k.py): option `--rh` to resolve server hostname only once at start of upload
+  * fantastic for buggy networks, but it'll break TLS
+
+## bugfixes
+* new arg `--s-tbody` specifies the network timeout before a dead connection gets dropped (default 3min)
+  * before there was no timeout at all, which could hang uploads or possibly consume all server resources
+  * ...but this is only relevant if your copyparty is directly exposed to the internet with no reverse proxy
+    * with nginx/caddy/etc you can disable the timeout with `--s-tbody 0` for a 3% performance boost (*wow!*)
+* iPhone audio transcoder could turn bad and stop transcoding
+* ~~maybe android phones no longer pause playback at the end of an album~~
+  * nope, that was due to [android's powersaver](https://github.com/9001/copyparty#fix-unreliable-playback-on-android), oh well
+  * ***bonus unintended feature:*** navigate into other folders while a song is plaing
+* [installing from the source tarball](https://github.com/9001/copyparty/blob/hovudstraum/docs/devnotes.md#build-from-release-tarball) should be ok now
+  * good base for making distro packages probably
+
+## other changes
+* since the network timeout fix is relevant for the single usecase that [cpp-winpe64.exe](https://github.com/9001/copyparty/releases/download/v1.6.15/copyparty-winpe64.exe) covers, there is now a new version of that
+
+
+
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 # 2023-0424-0609  `v1.6.14`  unsettable flags
 

docs/notes.sh

@@ -194,6 +194,9 @@ sqlite3 .hist/up2k.db 'select * from mt where k="fgsfds" or k="t:mtp"' | tee /de
 for ((f=420;f<1200;f++)); do sz=$(ffmpeg -y -f lavfi -i sine=frequency=$f:duration=2 -vf volume=0.1 -ac 1 -ar 44100 -f s16le /dev/shm/a.wav 2>/dev/null; base64 -w0 </dev/shm/a.wav | gzip -c | wc -c); printf '%d %d\n' $f $sz; done | tee /dev/stderr | sort -nrk2,2
 ffmpeg -y -f lavfi -i sine=frequency=1050:duration=2 -vf volume=0.1 -ac 1 -ar 44100 /dev/shm/a.wav
 
+# better sine
+sox -DnV -r8000 -b8 -c1 /dev/shm/a.wav synth 1.1 sin 400 vol 0.02
+
 # play icon calibration pics
 for w in 150 170 190 210 230 250; do for h in 130 150 170 190 210; do /c/Program\ Files/ImageMagick-7.0.11-Q16-HDRI/magick.exe convert -size ${w}x${h} xc:brown -fill orange -draw "circle $((w/2)),$((h/2)) $((w/2)),$((h/3))" $w-$h.png; done; done