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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIURI;
[scriptable, uuid(68067eb5-ad8d-43cb-a043-1cc85ebe06e7)]
interface nsIEffectiveTLDService : nsISupports
{
/**
* Returns the public suffix of a URI. A public suffix is the highest-level domain
* under which individual domains may be registered; it may therefore contain one
* or more dots. For example, the public suffix for "www.bbc.co.uk" is "co.uk",
* because the .uk TLD does not allow the registration of domains at the
* second level ("bbc.uk" is forbidden).
*
* The public suffix will be returned encoded in ASCII/ACE and will be normalized
* according to RFC 3454, i.e. the same encoding returned by nsIURI::GetAsciiHost().
* If consumers wish to compare the result of this method against the host from
* another nsIURI, the host should be obtained using nsIURI::GetAsciiHost().
* In the case of nested URIs, the innermost URI will be used.
*
* @param aURI The URI to be analyzed
*
* @returns the public suffix
*
* @throws NS_ERROR_UNEXPECTED
* or other error returned by nsIIDNService::normalize when
* the hostname contains characters disallowed in URIs
* @throws NS_ERROR_HOST_IS_IP_ADDRESS
* if the host is a numeric IPv4 or IPv6 address (as determined by
* the success of a call to PR_StringToNetAddr()).
*/
ACString getPublicSuffix(in nsIURI aURI);
/**
* Similar to getPublicSuffix, but the suffix is validated against
* the Public Suffix List. If the suffix is unknown this will return
* an empty string.
*
* @param aURI The URI to be analyzed
* @returns the public suffix if known, an empty string otherwise
* @see getPublicSuffixFromHost()
*/
ACString getKnownPublicSuffix(in nsIURI aURI);
/**
* Returns the base domain of a URI; that is, the public suffix with a given
* number of additional domain name parts. For example, the result of this method
* for "www.bbc.co.uk", depending on the value of aAdditionalParts parameter, will
* be:
*
* 0 (default) -> bbc.co.uk
* 1 -> www.bbc.co.uk
*
* Similarly, the public suffix for "www.developer.mozilla.org" is "org", and the base
* domain will be:
*
* 0 (default) -> mozilla.org
* 1 -> developer.mozilla.org
* 2 -> www.developer.mozilla.org
*
* The base domain will be returned encoded in ASCII/ACE and will be normalized
* according to RFC 3454, i.e. the same encoding returned by nsIURI::GetAsciiHost().
* If consumers wish to compare the result of this method against the host from
* another nsIURI, the host should be obtained using nsIURI::GetAsciiHost().
* In the case of nested URIs, the innermost URI will be used.
*
* @param aURI The URI to be analyzed
* @param aAdditionalParts Number of domain name parts to be
* returned in addition to the public suffix
*
* @returns the base domain (public suffix plus the requested number of additional parts)
*
* @throws NS_ERROR_UNEXPECTED
* or other error returned by nsIIDNService::normalize when
* the hostname contains characters disallowed in URIs
* @throws NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS
* when there are insufficient subdomain levels in the hostname to satisfy the
* requested aAdditionalParts value.
* @throws NS_ERROR_HOST_IS_IP_ADDRESS
* if aHost is a numeric IPv4 or IPv6 address (as determined by
* the success of a call to PR_StringToNetAddr()).
*
* @see getPublicSuffix()
*/
ACString getBaseDomain(in nsIURI aURI, [optional] in uint32_t aAdditionalParts);
/**
* NOTE: It is strongly recommended to use getPublicSuffix() above if a suitable
* nsIURI is available. Only use this method if this is not the case.
*
* Returns the public suffix of a host string. Otherwise identical to getPublicSuffix().
*
* @param aHost The host to be analyzed. Any additional parts (e.g. scheme,
* port, or path) will cause this method to throw. ASCII/ACE and
* UTF8 encodings are acceptable as input; normalization will
* be performed as specified in getBaseDomain().
*
* @see getPublicSuffix()
*/
ACString getPublicSuffixFromHost(in AUTF8String aHost);
/**
* Similar to getPublicSuffixFromHost, but the suffix is validated against
* the Public Suffix List. If the suffix is unknown this will return
* an empty string.
*
* @param aHost The host to be analyzed.
* @returns the public suffix if known, an empty string otherwise
* @see getPublicSuffixFromHost()
*/
ACString getKnownPublicSuffixFromHost(in AUTF8String aHost);
/**
* NOTE: It is strongly recommended to use getBaseDomain() above if a suitable
* nsIURI is available. Only use this method if this is not the case.
*
* Returns the base domain of a host string. Otherwise identical to getBaseDomain().
*
* @param aHost The host to be analyzed. Any additional parts (e.g. scheme,
* port, or path) will cause this method to throw. ASCII/ACE and
* UTF8 encodings are acceptable as input; normalization will
* be performed as specified in getBaseDomain().
*
* @see getBaseDomain()
*/
ACString getBaseDomainFromHost(in AUTF8String aHost, [optional] in uint32_t aAdditionalParts);
/**
* Returns the parent sub-domain of a host string. If the host is a base
* domain, it will throw NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS.
*
* For example: "player.bbc.co.uk" would return "bbc.co.uk" and
* "bbc.co.uk" would throw NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS.
*
* @param aHost The host to be analyzed. Any additional parts (e.g. scheme,
* port, or path) will cause this method to throw. ASCII/ACE and
* UTF8 encodings are acceptable as input; normalization will
* be performed as specified in getBaseDomain().
*/
ACString getNextSubDomain(in AUTF8String aHost);
/**
* Returns true if the |aInput| in is part of the root domain of |aHost|.
* For example, if |aInput| is "www.mozilla.org", and we pass in
* "mozilla.org" as |aHost|, this will return true. It would return false
* the other way around.
*
* @param aInput The host to be analyzed.
* @param aHost The host to compare to.
*/
bool hasRootDomain(in AUTF8String aInput, in AUTF8String aHost);
};
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