diff options
Diffstat (limited to 'contrib/signet/getcoins.py')
| -rwxr-xr-x | contrib/signet/getcoins.py | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/contrib/signet/getcoins.py b/contrib/signet/getcoins.py index f1d1de9cfd..147d12600d 100755 --- a/contrib/signet/getcoins.py +++ b/contrib/signet/getcoins.py @@ -8,6 +8,7 @@ import io import requests import subprocess import sys +import xml.etree.ElementTree DEFAULT_GLOBAL_FAUCET = 'https://signetfaucet.com/claim' DEFAULT_GLOBAL_CAPTCHA = 'https://signetfaucet.com/captcha' @@ -88,20 +89,17 @@ def bitcoin_cli(rpc_command_and_params): try: return subprocess.check_output(argv).strip().decode() except FileNotFoundError: - print('The binary', args.cmd, 'could not be found.') - exit(1) + raise SystemExit(f"The binary {args.cmd} could not be found") except subprocess.CalledProcessError: cmdline = ' '.join(argv) - print(f'-----\nError while calling "{cmdline}" (see output above).') - exit(1) + raise SystemExit(f"-----\nError while calling {cmdline} (see output above).") if args.faucet.lower() == DEFAULT_GLOBAL_FAUCET: # Get the hash of the block at height 1 of the currently active signet chain curr_signet_hash = bitcoin_cli(['getblockhash', '1']) if curr_signet_hash != GLOBAL_FIRST_BLOCK_HASH: - print('The global faucet cannot be used with a custom Signet network. Please use the global signet or setup your custom faucet to use this functionality.\n') - exit(1) + raise SystemExit('The global faucet cannot be used with a custom Signet network. Please use the global signet or setup your custom faucet to use this functionality.\n') else: # For custom faucets, don't request captcha by default. if args.captcha == DEFAULT_GLOBAL_CAPTCHA: @@ -120,28 +118,32 @@ session = requests.Session() if args.captcha != '': # Retrieve a captcha try: res = session.get(args.captcha) - except: - print('Unexpected error when contacting faucet:', sys.exc_info()[0]) - exit(1) + res.raise_for_status() + except requests.exceptions.RequestException as e: + raise SystemExit(f"Unexpected error when contacting faucet: {e}") + + # Size limitation + svg = xml.etree.ElementTree.fromstring(res.content) + if svg.attrib.get('width') != '150' or svg.attrib.get('height') != '50': + raise SystemExit("Captcha size doesn't match expected dimensions 150x50") # Convert SVG image to PPM, and load it try: - rv = subprocess.run([args.imagemagick, '-', '-depth', '8', 'ppm:-'], input=res.content, check=True, capture_output=True) + rv = subprocess.run([args.imagemagick, 'svg:-', '-depth', '8', 'ppm:-'], input=res.content, check=True, capture_output=True) except FileNotFoundError: - print('The binary', args.imagemagick, 'could not be found. Please make sure ImageMagick (or a compatible fork) is installed and that the correct path is specified.') - exit(1) + raise SystemExit(f"The binary {args.imagemagick} could not be found. Please make sure ImageMagick (or a compatible fork) is installed and that the correct path is specified.") + img = PPMImage(io.BytesIO(rv.stdout)) # Terminal interaction print_image(img) - print('Enter captcha: ', end='') - data['captcha'] = input() + print(f"Captcha from URL {args.captcha}") + data['captcha'] = input('Enter captcha: ') try: res = session.post(args.faucet, data=data) except: - print('Unexpected error when contacting faucet:', sys.exc_info()[0]) - exit(1) + raise SystemExit(f"Unexpected error when contacting faucet: {sys.exc_info()[0]}") # Display the output as per the returned status code if res: |