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Code Issues Releases Wiki Activity

Improve portal heuristics

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This commit is contained in:
osmarks 2024-08-27 14:59:00 +01:00
parent 787ddbb5bb
commit 5881f58996
1 changed files with 28 additions and 11 deletions
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39
captive_portal.py
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@ -43,6 +43,7 @@ session = requests.Session()
DETECTPORTAL_URL = "http://detectportal.firefox.com/canonical.html" DETECTPORTAL_URL = "http://detectportal.firefox.com/canonical.html"
DETECTPORTAL_CONTENT = '<meta http-equiv="refresh" content="0;url=https://support.mozilla.org/kb/captive-portal"/>' DETECTPORTAL_CONTENT = '<meta http-equiv="refresh" content="0;url=https://support.mozilla.org/kb/captive-portal"/>'
PRIORITY_KEYWORDS = {"registr", "login", "signup", "signin"} PRIORITY_KEYWORDS = {"registr", "login", "signup", "signin"}
CONFIRM_SUFFIXES = {"2", "repeat", "confirm", "_repeat", "_confirm"}
EMAIL_BASE = "0t.lt" EMAIL_BASE = "0t.lt"
FIELDTYPES = ("email", "postcode") FIELDTYPES = ("email", "postcode")
@ -62,6 +63,7 @@ def get_dns():
return val.strip() return val.strip()
dns_server = get_dns() dns_server = get_dns()
print("DNS server", dns_server)
adapter = CustomDNSAdapter(dns_server) adapter = CustomDNSAdapter(dns_server)
session.mount("http://", adapter) session.mount("http://", adapter)
session.mount("https://", adapter) session.mount("https://", adapter)
@ -95,6 +97,17 @@ def handle_response(response):
for input in form.find_all("input"): for input in form.find_all("input"):
name = input.get("name", "") name = input.get("name", "")
if not name: continue if not name: continue
repeat = None
for other_field, value in fields.items():
for suffix in CONFIRM_SUFFIXES:
xname = other_field + suffix
if xname == name:
repeat = name, value
if repeat:
k, v = repeat
fields[k] = v
continue
fieldtype = None fieldtype = None
for ty in FIELDTYPES: for ty in FIELDTYPES:
@ -105,18 +118,21 @@ def handle_response(response):
elif ty in input.get("placeholder", "").lower().replace(" ", ""): elif ty in input.get("placeholder", "").lower().replace(" ", ""):
fieldtype = ty fieldtype = ty
match fieldtype:
case "email":
fields[name] = generate_email()
case "postcode":
fields[name] = "W1A 1AA" # ISO standard postcode (real)
case None:
fields[name] = generate_generic()
if input.get("type") == "checkbox": if input.get("type") == "checkbox":
fields[name] = input.get("value", "on") fields[name] = input.get("value", "on")
if input.get("type") == "hidden": elif input.get("type") == "hidden":
fields[name] = input.get("value") fields[name] = input.get("value")
elif input.get("type") == "radio":
if name not in fields:
fields[name] = input.get("value")
else:
match fieldtype:
case "email":
fields[name] = generate_email()
case "postcode":
fields[name] = "W1A 1AA" # ISO standard postcode (real)
case None:
fields[name] = generate_generic()
for select in form.find_all("select"): for select in form.find_all("select"):
name = select.get("name", "") name = select.get("name", "")
@ -139,7 +155,7 @@ def handle_response(response):
queue.extend(x for x in queue_ext if x not in tried) queue.extend(x for x in queue_ext if x not in tried)
while True: while True:
response = session.get(DETECTPORTAL_URL) response = session.get("https://crosscountrywifi.co.uk/connect")
if response.text == DETECTPORTAL_CONTENT: if response.text == DETECTPORTAL_CONTENT:
print("OK") print("OK")
raise SystemExit(0) raise SystemExit(0)
@ -150,6 +166,7 @@ while True:
print("No more URLs to try") print("No more URLs to try")
break break
try: try:
print(next_url)
response = session.get(next_url) response = session.get(next_url)
except Exception as e: except Exception as e:
print(e) print(e)
@ -160,4 +177,4 @@ while True:
break break
print("KO") print("KO")
raise SystemExit(1) raise SystemExit(1)