85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
'''
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Simple command to share one-time files
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'''
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import os
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import base64
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import hashlib
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import hmac
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import json
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import time
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from datetime import datetime
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from urllib.parse import quote_plus, urljoin
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import click
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import requests
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from pygments import highlight, lexers, formatters
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ONCE_API_URL = os.getenv('ONCE_API_URL')
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ONCE_SECRET_KEY = base64.b64decode(os.getenv('ONCE_SECRET_KEY', 'ho/KbLqa65F4uKumCOl30SQwWh4hV7BqpuJVl7urq2XuxkvHmBk/QC9l53og0B3X3dSZun7zDYBH6MdOkjj6CQ=='))
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ONCE_SIGNATURE_HEADER = os.getenv('ONCE_SIGNATURE_HEADER', 'x-once-signature')
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ONCE_TIMESTAMP_FORMAT = os.getenv('ONCE_TIMESTAMP_FORMAT', '%Y%m%d%H%M%S%f')
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def highlight_json(obj):
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formatted_json = json.dumps(obj, sort_keys=True, indent=4)
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return highlight(formatted_json, lexers.JsonLexer(), formatters.TerminalFormatter())
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def echo_obj(obj):
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click.echo(highlight_json(obj))
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def api_req(method: str, url: str, verbose: bool = False, **kwargs):
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method = method.lower()
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if method not in ['get', 'post']:
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raise ValueError(f'Unsupported HTTP method "{method}"')
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actual_url = urljoin(ONCE_API_URL, url)
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if verbose:
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print(f'{method.upper()} {actual_url}')
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req = requests.Request(method=method, url=actual_url, **kwargs).prepare()
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plain_text = req.path_url.encode('utf-8')
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hmac_obj = hmac.new(ONCE_SECRET_KEY, msg=plain_text, digestmod=hashlib.sha256)
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req.headers[ONCE_SIGNATURE_HEADER] = base64.b64encode(hmac_obj.digest())
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response = requests.Session().send(req)
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if verbose:
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print(f'Server response status: {response.status_code}')
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echo_obj(response.json())
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return response
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@click.command('share')
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@click.argument('file', type=click.File(mode='rb'), required=True)
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@click.option('--verbose', '-v', is_flag=True, default=False, help='Enables verbose output.')
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def share(file: click.File, verbose: bool):
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entry = api_req('GET', '/',
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params={
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'f': quote_plus(os.path.basename(file.name)),
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't': datetime.utcnow().strftime(ONCE_TIMESTAMP_FORMAT)
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},
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verbose=verbose).json()
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once_url = entry['once_url']
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upload_data = entry['presigned_post']
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files = {'file': file}
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upload_started = time.time()
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response = requests.post(upload_data['url'],
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data=upload_data['fields'],
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files=files)
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upload_time = time.time() - upload_started
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print(f"File uploaded in {upload_time}s")
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print(f"File can be downloaded once at: {once_url}")
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if __name__ == '__main__':
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share()
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