mirror of
https://github.com/9001/copyparty.git
synced 2025-08-17 17:12:13 -06:00
fc658e5b9e
not even the deprecationwarning that got silently generated burning 20~30% of all CPU-time without actually displaying it anywhere, nice python 3.12.0 is now only 5% slower than 3.11.6 also fixes some other, less-performance-fatal deprecations
112 lines
2.9 KiB
Python
Executable file
112 lines
2.9 KiB
Python
Executable file
#!/usr/bin/env python3
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import hashlib
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import json
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import sys
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from datetime import datetime, timezone
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_ = r"""
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this hook will produce a single sha512 file which
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covers all recent uploads (plus metadata comments)
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use this with --xiu, which makes copyparty buffer
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uploads until server is idle, providing file infos
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on stdin (filepaths or json)
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example usage as global config:
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--xiu i5,j,bin/hooks/xiu-sha.py
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example usage as a volflag (per-volume config):
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-v srv/inc:inc:r:rw,ed:c,xiu=i5,j,bin/hooks/xiu-sha.py
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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(share filesystem-path srv/inc as volume /inc,
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readable by everyone, read-write for user 'ed',
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running this plugin on batches of uploads with the params listed below)
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parameters explained,
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xiu = execute after uploads...
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i5 = ...after volume has been idle for 5sec
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j = provide json instead of filepath list
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note the "f" (fork) flag is not set, so this xiu
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will block other xiu hooks while it's running
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"""
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try:
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from copyparty.util import fsenc
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except:
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def fsenc(p):
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return p
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UTC = timezone.utc
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def humantime(ts):
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return datetime.fromtimestamp(ts, UTC).strftime("%Y-%m-%d %H:%M:%S")
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def find_files_root(inf):
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di = 9000
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for f1, f2 in zip(inf, inf[1:]):
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p1 = f1["ap"].replace("\\", "/").rsplit("/", 1)[0]
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p2 = f2["ap"].replace("\\", "/").rsplit("/", 1)[0]
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di = min(len(p1), len(p2), di)
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di = next((i for i in range(di) if p1[i] != p2[i]), di)
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return di + 1
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def find_vol_root(inf):
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return len(inf[0]["ap"][: -len(inf[0]["vp"])])
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def main():
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zb = sys.stdin.buffer.read()
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zs = zb.decode("utf-8", "replace")
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inf = json.loads(zs)
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# root directory (where to put the sha512 file);
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# di = find_files_root(inf) # next to the file closest to volume root
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di = find_vol_root(inf) # top of the entire volume
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ret = []
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total_sz = 0
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for md in inf:
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ap = md["ap"]
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rp = ap[di:]
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total_sz += md["sz"]
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fsize = "{:,}".format(md["sz"])
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mtime = humantime(md["mt"])
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up_ts = humantime(md["at"])
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h = hashlib.sha512()
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with open(fsenc(md["ap"]), "rb", 512 * 1024) as f:
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while True:
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buf = f.read(512 * 1024)
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if not buf:
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break
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h.update(buf)
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cksum = h.hexdigest()
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meta = " | ".join([md["wark"], up_ts, mtime, fsize, md["ip"]])
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ret.append("# {}\n{} *{}".format(meta, cksum, rp))
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ret.append("# {} files, {} bytes total".format(len(inf), total_sz))
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ret.append("")
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ftime = datetime.now(UTC).strftime("%Y-%m%d-%H%M%S.%f")
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fp = "{}xfer-{}.sha512".format(inf[0]["ap"][:di], ftime)
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with open(fsenc(fp), "wb") as f:
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f.write("\n".join(ret).encode("utf-8", "replace"))
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print("wrote checksums to {}".format(fp))
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if __name__ == "__main__":
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main()
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