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ed908b9868
until now, volumes with whitespace and such would fail to unmount also adds a sanchk that the directory to unmount is still below the expected parent after absreal; the path was already passed to gio in a safe manner (assuming gio doesn't have any vulns) but why risk it
63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
#!/usr/bin/env python3
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import os
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import stat
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import subprocess as sp
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import sys
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from urllib.parse import unquote_to_bytes as unquote
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"""
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if you've found yourself using copyparty to serve flashdrives on a LAN
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and your only wish is that the web-UI had a button to unmount / safely
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remove those flashdrives, then boy howdy are you in the right place :D
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put usb-eject.js in the webroot (or somewhere else http-accessible)
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then run copyparty with these args:
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-v /run/media/egon:/usb:A:c,hist=/tmp/junk
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--xm=c1,bin/hooks/usb-eject.py
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--js-browser=/usb-eject.js
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which does the following respectively,
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* share all of /run/media/egon as /usb with admin for everyone
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and put the histpath somewhere it won't cause trouble
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* run the usb-eject hook with stdout redirect to the web-ui
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* add the complementary usb-eject.js to the browser
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"""
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MOUNT_BASE = b"/run/media/egon/"
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def main():
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try:
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label = sys.argv[1].split(":usb-eject:")[1].split(":")[0]
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mp = MOUNT_BASE + unquote(label)
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# print("ejecting [%s]... " % (mp,), end="")
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mp = os.path.abspath(os.path.realpath(mp))
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st = os.lstat(mp)
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if not stat.S_ISDIR(st.st_mode) or not mp.startswith(MOUNT_BASE):
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raise Exception("not a regular directory")
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# if you're running copyparty as root (thx for the faith)
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# you'll need something like this to make dbus talkative
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cmd = b"sudo -u egon DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus gio mount -e"
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# but if copyparty and the ui-session is running
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# as the same user (good) then this is plenty
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cmd = b"gio mount -e"
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cmd = cmd.split(b" ") + [mp]
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ret = sp.check_output(cmd).decode("utf-8", "replace")
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print(ret.strip() or (label + " can be safely unplugged"))
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except Exception as ex:
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print("unmount failed: %r" % (ex,))
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if __name__ == "__main__":
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main()
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