54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
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import subprocess
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from typing import Optional
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from bebop.browser.browser import Browser
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from bebop.navigation import parse_url
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from bebop.page import Page
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from bebop.plugins import SchemePlugin
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class FingerPlugin(SchemePlugin):
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def __init__(self) -> None:
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super().__init__("finger")
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def open_url(self, browser: Browser, url: str) -> Optional[str]:
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parts = parse_url(url, default_scheme="finger")
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host = parts["netloc"]
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user = parts["path"][1:] # Strip leading '/' from path.
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if not host:
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browser.set_status_error(f"Could not parse {url}.")
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return None
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raw_output = self.request(browser, host, user)
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if raw_output is None:
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return None
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try:
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output = raw_output.decode(errors="replace")
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except ValueError:
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browser.set_status_error("Failed to decode finger output.")
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return None
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browser.load_page(Page.from_text(output))
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browser.current_url = url
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return url
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def request(self, browser: Browser, host: str, user: str):
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target = f"{user}@{host}"
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browser.set_status(f"Requesting {target}…")
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command = ["finger", target]
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try:
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output = subprocess.check_output(command, stderr=subprocess.PIPE)
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except FileNotFoundError:
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browser.set_status_error("Finger program not found.")
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except subprocess.CalledProcessError as exc:
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finger_error = exc.stderr.decode(errors="replace").replace("\n", "")
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error = f"Finger failed with code {exc.returncode}: {finger_error}"
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browser.set_status_error(error)
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else:
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return output
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plugin = FingerPlugin()
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