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Decorator aimed to verify domain owner in X-Ray Manager user mode
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Enforce caller-owns-domain BEFORE the phpinfo probe's side effects (the
temp PHP file-write into the target docroot + HTTP fetch) run. It is called
from phpinfo_utils.get_php_configuration — the single sink every panel
manager funnels into — so one guard covers Plesk, cPanel, DirectAdmin and
custom panels. user_mode_verification only compares ownership AFTER the
decorated get_domain_info body has returned, so without this pre-check a
user-mode tenant can drive a cross-tenant side effect against another
user's domain.
Uses the SAME ownership primitive as user_mode_verification
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is indistinguishable from a missing one. For root / non-user-mode callers
(proxyuser is None) this is a no-op, preserving existing behaviour.
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Decorator aimed to check if user is not hitting limit of running tasks,
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Limiting of user's running tasks is applied to Shared PRO only.
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Decorator aimed to restrict frequent reloads of FPM service
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Decorator ordering invariant: this decorator MUST sit OUTSIDE
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``@user_mode_verification``) on every get_domain_info implementation.
The wrapper below runs ``check`` only AFTER ``func`` returns, so any
ownership-failure XRayError raised by the inner user_mode_verification
wrapper short-circuits the throttle probe. Reversing the order would
let the throttle check inspect another user's FPM service name and
raise a distinguishable XRayError(flag='warning') before the outer
ownership check could uniformise the response, leaking a side channel
on whether the queried domain exists and whose service is currently
throttled (see XRAY-244 / CLPRO-3079 information-oracle defense).
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Decorator aimed to verify user in X-Ray Smart Advice user mode
Applies to get_detailed_advice method, which takes part in
advice_details and advice_apply methods
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