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61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
#!/usr/bin/env python3
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import json
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import os
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import re
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import sys
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_ = r"""
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reject file upload (with a nice explanation why)
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example usage as global config:
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--xbu j,c1,bin/hooks/reject-and-explain.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,xbu=j,c1,bin/hooks/reject-and-explain.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 all uploads with the params listed below)
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example usage as a volflag in a copyparty config file:
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[/inc]
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srv/inc
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accs:
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r: *
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rw: ed
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flags:
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xbu: j,c1,bin/hooks/reject-and-explain.py
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parameters explained,
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xbu = execute-before-upload (can also be xau, execute-after-upload)
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j = this hook needs upload information as json (not just the filename)
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c1 = this hook returns json on stdout, so tell copyparty to read that
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"""
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def main():
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inf = json.loads(sys.argv[1])
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vdir, fn = os.path.split(inf["vp"])
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print("inf[vp] = %r" % (inf["vp"],), file=sys.stderr)
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# the following is what decides if we'll accept the upload or reject it:
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# we check if the upload-folder url matches the following regex-pattern:
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ok = re.search(r"(^|/)day[0-9]+$", vdir, re.IGNORECASE)
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if ok:
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# allow the upload
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print("{}")
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return
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# the upload was rejected; display the following errortext:
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errmsg = "Files can only be uploaded into a folder named 'DayN' where N is a number, for example 'Day573'. This file was REJECTED: "
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errmsg += inf["vp"] # if you want to mention the file's url at the end of the message
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print(json.dumps({"rejectmsg": errmsg}))
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if __name__ == "__main__":
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main()
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