AgPerry's picture
Add files using upload-large-folder tool
584ed90 verified
Raw History Blame Contribute Delete
16 kB
from __future__ import annotations
from html import escape
from typing import Mapping, Sequence
from urllib.parse import unquote, urlencode, urlsplit
AUTH_STYLESHEET = "/static/auth.css?v=20260806-06"
def _first(query: Mapping[str, Sequence[str]], name: str) -> str:
values = query.get(name, ())
return values[0] if values else ""
def safe_return_target(query: Mapping[str, Sequence[str]]) -> str | None:
"""Return a same-origin path, never an absolute or scheme-relative URL."""
candidate = _first(query, "openid.return_to").strip()
if not candidate or any(ord(character) < 32 for character in candidate):
return None
parsed = urlsplit(candidate)
if parsed.scheme or parsed.netloc:
return None
if not parsed.path.startswith("/") or parsed.path.startswith("//") or "\\" in parsed.path:
return None
decoded_path = parsed.path
for _ in range(2):
decoded_path = unquote(decoded_path)
if (
decoded_path.startswith("//")
or "\\" in decoded_path
or any(ord(character) < 32 for character in decoded_path)
):
return None
return candidate
def _logo() -> str:
return '<a class="auth-logo" href="/" aria-label="Amazon"></a>'
def _hidden_return_target(query: Mapping[str, Sequence[str]]) -> str:
target = safe_return_target(query)
if target is None:
return ""
return (
'<input type="hidden" name="openid.return_to" value="'
f'{escape(target, quote=True)}">'
)
def _return_target_suffix(query: Mapping[str, Sequence[str]]) -> str:
target = safe_return_target(query)
return "?" + urlencode({"openid.return_to": target}) if target else ""
def _error_notice(message: str | None) -> str:
if not message:
return ""
return f'<div class="auth-error" role="alert">{escape(message)}</div>'
def _document(
title: str,
content: str,
*,
body_class: str,
scripts: Sequence[str] = (),
) -> str:
script_markup = "".join(
f'<script src="{escape(source, quote=True)}" defer></script>'
for source in scripts
)
return f"""<!doctype html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{escape(title)}</title>
<link rel="stylesheet" href="{AUTH_STYLESHEET}">
{script_markup}
</head>
<body class="auth-page {escape(body_class, quote=True)}">
<header class="auth-header">{_logo()}</header>
<main class="auth-main">
{content}
</main>
<footer class="auth-footer">
<nav aria-label="Amazon account policies">
<a href="/gp/help/customer/display.html?nodeId=508088">Conditions of Use</a>
<a href="/gp/help/customer/display.html?nodeId=468496">Privacy Notice</a>
<a href="/gp/help/customer/display.html?nodeId=508510">Help</a>
</nav>
<p>© 1996–2026, Amazon.com, Inc. or its affiliates</p>
</footer>
</body>
</html>"""
def signin_page(query: Mapping[str, Sequence[str]], error: str | None = None) -> str:
if _first(query, "stage").lower() == "password":
content = f"""
<section class="auth-card" aria-labelledby="auth-heading">
<h1 id="auth-heading">Sign in</h1>
<p class="auth-identity">Amazon account</p>
{_error_notice(error)}
<form method="post" action="/ap/signin">
{_hidden_return_target(query)}
<label for="ap-password">Password</label>
<a class="auth-inline-link" href="/ap/forgotpassword">Forgot password?</a>
<input id="ap-password" name="password" type="password" autocomplete="current-password" required autofocus>
<button class="auth-primary" type="submit">Sign in</button>
</form>
<label class="auth-checkbox"><input name="rememberMe" type="checkbox"> Keep me signed in</label>
<details class="auth-details"><summary>Details</summary><p>Use this option only on your personal device.</p></details>
</section>
"""
return _document("Amazon Sign-In", content, body_class="auth-signin auth-password-stage")
content = f"""
<section class="auth-card" aria-labelledby="auth-heading">
<h1 id="auth-heading">Sign in or create account</h1>
{_error_notice(error)}
<form method="post" action="/ap/signin">
{_hidden_return_target(query)}
<label for="ap-email">Enter mobile number or email</label>
<input id="ap-email" name="email" type="text" autocomplete="username" inputmode="email" required autofocus>
<button class="auth-primary" type="submit">Continue</button>
</form>
<p class="auth-legal">By continuing, you agree to Amazon's <a href="/gp/help/customer/display.html?nodeId=508088">Conditions of Use</a> and <a href="/gp/help/customer/display.html?nodeId=468496">Privacy Notice</a>.</p>
<details class="auth-details"><summary>Need help?</summary><a href="/ap/forgotpassword">Forgot your password?</a><a href="/ap/register{escape(_return_target_suffix(query), quote=True)}">Create your Amazon account</a></details>
<div class="auth-business"><strong>Buying for work?</strong> <a href="/gp/navigation/amazon-business">Create a free business account</a></div>
</section>
"""
return _document("Amazon Sign-In", content, body_class="auth-signin auth-identifier-stage")
def register_page(
query: Mapping[str, Sequence[str]],
error: str | None = None,
*,
external_verification: bool = False,
) -> str:
suggested_email = _first(query, "email").strip()
verification_controls = ""
form_attributes = ""
submit_attributes = ""
scripts: tuple[str, ...] = ()
if external_verification:
form_attributes = ' data-external-registration="true"'
submit_attributes = ' disabled data-auth-create-account'
scripts = ("/static/auth-verification.js",)
verification_controls = """
<button class="auth-secondary auth-send-code" type="button" data-auth-send-code>Send Verification Code</button>
<section class="auth-code-panel" data-auth-code-panel hidden aria-labelledby="auth-code-heading">
<h2 id="auth-code-heading">Verify email address</h2>
<label for="ap-register-code">Verification code</label>
<input id="ap-register-code" type="text"
autocomplete="one-time-code" inputmode="numeric"
pattern="[0-9]{6}" maxlength="6" data-auth-code>
<button class="auth-secondary" type="button" data-auth-verify-code>Verify code</button>
</section>
<p class="auth-api-status" data-auth-verification-status role="status" aria-live="polite"></p>
"""
content = f"""
<section class="auth-card" aria-labelledby="auth-heading">
<h1 id="auth-heading">Create account</h1>
{_error_notice(error)}
<form method="post" action="/ap/register"{form_attributes}>
{_hidden_return_target(query)}
<label for="ap-customer-name">Your name</label>
<input id="ap-customer-name" name="customerName" type="text" autocomplete="name" placeholder="First and last name" required autofocus>
<label for="ap-register-email">Mobile number or email</label>
<input id="ap-register-email" name="email" type="email" autocomplete="email" inputmode="email" value="{escape(suggested_email, quote=True)}" required data-auth-email>
{verification_controls}
<label for="ap-register-password">Password</label>
<input id="ap-register-password" name="password" type="password" autocomplete="new-password" minlength="6" placeholder="At least 6 characters" required aria-describedby="password-hint" data-auth-password>
<p id="password-hint" class="auth-hint"><span aria-hidden="true">i</span> Passwords must be at least 6 characters.</p>
<label for="ap-password-check">Re-enter password</label>
<input id="ap-password-check" name="passwordCheck" type="password" autocomplete="new-password" minlength="6" required data-auth-password-check>
<button class="auth-primary" type="submit"{submit_attributes}>Continue</button>
</form>
<p class="auth-legal">By creating an account, you agree to Amazon's <a href="/gp/help/customer/display.html?nodeId=508088">Conditions of Use</a> and <a href="/gp/help/customer/display.html?nodeId=468496">Privacy Notice</a>.</p>
<hr>
<p class="auth-existing">Already have an account? <a href="/ap/signin{escape(_return_target_suffix(query), quote=True)}">Sign in <span aria-hidden="true">›</span></a></p>
</section>
"""
return _document(
"Amazon Registration",
content,
body_class="auth-register",
scripts=scripts,
)
def forgot_password_page(
query: Mapping[str, Sequence[str]], error: str | None = None
) -> str:
if _first(query, "stage").lower() == "reset-password":
content = f"""
<section class="auth-card" aria-labelledby="auth-heading">
<h1 id="auth-heading">Create new password</h1>
<p>We'll ask for this password whenever you sign in.</p>
{_error_notice(error)}
<form method="post" action="/ap/forgotpassword">
<label for="ap-new-password">New password</label>
<input id="ap-new-password" name="password" type="password" autocomplete="new-password" minlength="6" required autofocus>
<label for="ap-new-password-check">Re-enter password</label>
<input id="ap-new-password-check" name="passwordCheck" type="password" autocomplete="new-password" minlength="6" required>
<button class="auth-primary" type="submit">Save changes and sign in</button>
</form>
</section>
"""
return _document("Create New Password", content, body_class="auth-forgot auth-reset-stage")
content = f"""
<section class="auth-card" aria-labelledby="auth-heading">
<h1 id="auth-heading">Password assistance</h1>
<p>Enter the email address or mobile phone number associated with your Amazon account.</p>
{_error_notice(error)}
<form method="post" action="/ap/forgotpassword">
{_hidden_return_target(query)}
<label for="ap-forgot-email">Email or mobile phone number</label>
<input id="ap-forgot-email" name="email" type="text" autocomplete="username" inputmode="email" required autofocus>
<button class="auth-primary" type="submit">Continue</button>
</form>
</section>
<section class="auth-support-copy">
<h2>Has your email or mobile number changed?</h2>
<p>If you no longer use the email address associated with your Amazon account, you may contact Customer Service for help restoring access to your account.</p>
</section>
"""
return _document("Amazon Password Assistance", content, body_class="auth-forgot auth-email-stage")
def _mail_delivery_status_markup(
purpose: str,
mail_delivery: Mapping[str, object] | None,
mail_delivery_mode: str,
local_inbox_url: str | None = None,
) -> str:
status = str((mail_delivery or {}).get("status") or "")
if status not in {
"QUEUED",
"LOCAL_ONLY",
"SMTP_PENDING",
"SMTP_SENT",
"SMTP_FAILED",
}:
status = "SMTP_PENDING" if mail_delivery_mode == "SMTP" else "LOCAL_ONLY"
descriptions = {
"QUEUED": (
"If an account matches that address, its verification message is "
"being handled. Refreshing does not reveal whether an account exists."
),
"LOCAL_ONLY": (
"This message is stored only in the protected local outbox; "
"no external email was sent."
),
"SMTP_PENDING": (
"The configured SMTP service is processing this message. "
"Refresh to check the latest delivery result."
),
"SMTP_SENT": "The configured SMTP service accepted this message.",
"SMTP_FAILED": (
"The SMTP attempt failed. No address or provider error is exposed here."
),
}
action_suffix = "?" + urlencode({"purpose": purpose})
actions: list[str] = []
if status in {"QUEUED", "SMTP_PENDING"}:
actions.append(
f'<a class="auth-status-link" href="/ap/cvf/verify{escape(action_suffix, quote=True)}">Refresh delivery status</a>'
)
if status == "SMTP_FAILED" and bool((mail_delivery or {}).get("can_retry")):
actions.append(
'<form class="auth-retry-form" method="post" '
f'action="/ap/cvf/verify{escape(action_suffix, quote=True)}">'
'<button class="auth-link-button" type="submit" name="action" '
'value="retry-delivery">Retry email delivery</button></form>'
)
if local_inbox_url and status in {"SMTP_PENDING", "SMTP_SENT", "SMTP_FAILED"}:
actions.append(
f'<a class="auth-status-link" href="{escape(local_inbox_url, quote=True)}">'
"Open local SMTP inbox</a>"
)
action_markup = (
f'<div class="auth-delivery-actions">{"".join(actions)}</div>'
if actions
else ""
)
return (
f'<section class="auth-delivery-status auth-delivery-{status.casefold()}" '
'aria-live="polite"><h2>Email delivery</h2>'
f'<p><strong>{status}</strong><span>{escape(descriptions[status])}</span></p>'
f'{action_markup}</section>'
)
def verification_page(
query: Mapping[str, Sequence[str]],
*,
masked_destination: str | None = None,
error: str | None = None,
mail_delivery_mode: str = "LOCAL_ONLY",
mail_delivery: Mapping[str, object] | None = None,
local_inbox_url: str | None = None,
) -> str:
purpose = _first(query, "purpose").lower()
if purpose == "registration" and masked_destination:
lead = (
f"A verification code was queued for {masked_destination}. "
"Enter it below when it arrives."
)
elif purpose == "registration":
lead = "Start account creation again to request a new email verification code."
elif purpose == "password-reset":
lead = (
"If an account matches that address, a verification code was queued. "
"Enter it below if it arrives."
)
else:
lead = "Enter the one-time password that was queued for you."
action_suffix = (
"?" + urlencode({"purpose": purpose})
if purpose in {"registration", "password-reset"}
else ""
)
delivery_status = _mail_delivery_status_markup(
purpose,
mail_delivery,
mail_delivery_mode,
local_inbox_url,
)
content = f"""
<section class="auth-card" aria-labelledby="auth-heading">
<h1 id="auth-heading">Verify email address</h1>
<p>{escape(lead)}</p>
{_error_notice(error)}
<form method="post" action="/ap/cvf/verify{escape(action_suffix, quote=True)}">
<label for="ap-code">Enter verification code</label>
<input id="ap-code" name="code" type="text" autocomplete="one-time-code" inputmode="numeric" pattern="[0-9]{{6}}" maxlength="6" required autofocus>
<button class="auth-primary" type="submit">Verify</button>
</form>
<form class="auth-resend-form" method="post" action="/ap/cvf/verify{escape(action_suffix, quote=True)}">
<button class="auth-link-button" type="submit" name="action" value="resend">Resend code</button>
</form>
{delivery_status}
</section>
"""
return _document("Amazon Verification", content, body_class="auth-verification")
def page_for(path: str, query: Mapping[str, Sequence[str]]) -> str:
if path == "/ap/signin":
return signin_page(query)
if path == "/ap/register":
return register_page(query)
if path == "/ap/forgotpassword":
return forgot_password_page(query)
if path == "/ap/cvf/verify":
return verification_page(query)
raise ValueError(f"unsupported auth path: {path}")