38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
from flask import request, current_app
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import werkzeug.exceptions
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import hashlib
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def write_file_to_fd_while_calculating_md5(fd: int) -> str:
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chunksize = current_app.config['RECIEVE_CHUNKSIZE']
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m = hashlib.md5() # nosec: md5 is used only for integrity checking here
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total_recieved = 0
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# Begin recieving the file
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with open(fd, "bw") as f:
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while True: # This is where uploading happens
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chunk = request.stream.read(chunksize)
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if len(chunk) == 0:
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break
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total_recieved += len(chunk)
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if total_recieved > current_app.config['MAX_RECIEVE_SIZE']:
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raise werkzeug.exceptions.RequestEntityTooLarge()
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m.update(chunk)
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f.write(chunk)
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return m.hexdigest()
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def create_md5_sum_for_file(fname):
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m = hashlib.md5() # nosec: md5 is used only for integrity checking here
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with open(fname, "rb") as f:
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for chunk in iter(lambda: f.read(4096), b""):
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m.update(chunk)
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return m.hexdigest()
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