@ -73,15 +73,15 @@ import net.yacy.kelondro.util.MemoryControl;
import net.yacy.kelondro.util.NamePrefixThreadFactory ;
public class Domains {
private final static ConcurrentLog log = new ConcurrentLog ( Domains . class . getName ( ) ) ;
public static final String LOCALHOST = "localhost" ; // replace with IPv6 0:0:0:0:0:0:0:1 ?
private static String LOCALHOST_NAME = LOCALHOST ; // this will be replaced with the actual name of the local host
private static Class < ? > InetAddressLocatorClass ;
private static Method InetAddressLocatorGetLocaleInetAddressMethod ;
private static final Set < String > ccSLD_TLD = new HashSet < String > ( ) ;
private static final Set < String > ccSLD_TLD = new HashSet < > ( ) ;
private static final String PRESENT = "" ;
private static final String LOCALHOST_IPv4_PATTERN = "(127\\..*)" ;
private static final String LOCALHOST_IPv6_PATTERN = "((\\[?fe80\\:.*)|(\\[?0\\:0\\:0\\:0\\:0\\:0\\:0\\:1.*)|(\\[?\\:\\:1))(/.*|%.*|\\z)" ;
@ -102,12 +102,12 @@ public class Domains {
public static long cacheHit_Hit = 0 , cacheHit_Miss = 0 , cacheHit_Insert = 0 ; // for statistics only; do not write
public static long cacheMiss_Hit = 0 , cacheMiss_Miss = 0 , cacheMiss_Insert = 0 ; // for statistics only; do not write
private static AtomicLong dnsRequests = new AtomicLong ( 0 ) ;
private static Set < InetAddress > myHostAddresses = new HashSet < InetAddress > ( ) ;
private static Set < InetAddress > localHostAddresses = new HashSet < InetAddress > ( ) ; // subset of myHostAddresses
private static Set < InetAddress > publicIPv4HostAddresses = new HashSet < InetAddress > ( ) ; // subset of myHostAddresses
private static Set < InetAddress > publicIPv6HostAddresses = new HashSet < InetAddress > ( ) ; // subset of myHostAddresses
private static Set < String > localHostNames = new HashSet < String > ( ) ; // subset of myHostNames
private static Set < InetAddress > myHostAddresses = new HashSet < > ( ) ;
private static Set < InetAddress > localHostAddresses = new HashSet < > ( ) ; // subset of myHostAddresses
private static Set < InetAddress > publicIPv4HostAddresses = new HashSet < > ( ) ; // subset of myHostAddresses
private static Set < InetAddress > publicIPv6HostAddresses = new HashSet < > ( ) ; // subset of myHostAddresses
private static Set < String > localHostNames = new HashSet < > ( ) ; // subset of myHostNames
private static Thread domaininit = null ;
static {
localHostNames . add ( LOCALHOST ) ;
@ -118,7 +118,7 @@ public class Domains {
localHostNames . add ( LOCALHOST_NAME ) ;
try {
InetAddress localHostAddress = InetAddress . getLocalHost ( ) ;
final InetAddress localHostAddress = InetAddress . getLocalHost ( ) ;
if ( localHostAddress ! = null ) myHostAddresses . add ( localHostAddress ) ;
} catch ( final UnknownHostException e ) { }
try {
@ -126,7 +126,7 @@ public class Domains {
if ( moreAddresses ! = null ) myHostAddresses . addAll ( Arrays . asList ( moreAddresses ) ) ;
} catch ( final UnknownHostException e ) { }
for ( InetAddress a : myHostAddresses ) {
for ( final InetAddress a : myHostAddresses ) {
if ( a . isAnyLocalAddress ( ) | | a . isLinkLocalAddress ( ) | | a . isLoopbackAddress ( ) | | a . isSiteLocalAddress ( ) ) {
localHostAddresses . add ( a ) ;
}
@ -163,8 +163,8 @@ public class Domains {
// fill a cache of local host names
for ( final InetAddress a : myHostAddresses ) {
String hostaddressP = chopZoneID ( a . getHostAddress ( ) ) ;
Set < String > hns = new LinkedHashSet < > ( ) ;
final String hostaddressP = chopZoneID ( a . getHostAddress ( ) ) ;
final Set < String > hns = new LinkedHashSet < > ( ) ;
// generate alternative representations of IPv6 addresses which are needed to check access on the interface (i.e. localhost check)
if ( hostaddressP . indexOf ( "::" ) < 0 ) {
hns . add ( hostaddressP . replaceFirst ( ":0:0:0:0:0:0:" , "::" ) ) ;
@ -176,13 +176,13 @@ public class Domains {
}
hns . add ( hostaddressP ) ;
final String hostname = getHostName ( a ) ;
for ( String hostaddress : hns ) {
for ( final String hostaddress : hns ) {
if ( hostaddress . contains ( "::0:" ) | | hostaddress . contains ( ":0::" ) ) continue ; // not common (but possible); we skip that
// we write the local tests into variables to be able to debug these values
boolean isAnyLocalAddress = a . isAnyLocalAddress ( ) ;
boolean isLinkLocalAddress = a . isLinkLocalAddress ( ) ; // true i.e. for localhost/fe80:0:0:0:0:0:0:1%1, myhost.local/fe80:0:0:0:223:dfff:fedf:30ce%7
boolean isLoopbackAddress = a . isLoopbackAddress ( ) ; // true i.e. for localhost/0:0:0:0:0:0:0:1, localhost/127.0.0.1
boolean isSiteLocalAddress = a . isSiteLocalAddress ( ) ; // true i.e. for myhost.local/192.168.1.33
final boolean isAnyLocalAddress = a . isAnyLocalAddress ( ) ;
final boolean isLinkLocalAddress = a . isLinkLocalAddress ( ) ; // true i.e. for localhost/fe80:0:0:0:0:0:0:1%1, myhost.local/fe80:0:0:0:223:dfff:fedf:30ce%7
final boolean isLoopbackAddress = a . isLoopbackAddress ( ) ; // true i.e. for localhost/0:0:0:0:0:0:0:1, localhost/127.0.0.1
final boolean isSiteLocalAddress = a . isSiteLocalAddress ( ) ; // true i.e. for myhost.local/192.168.1.33
if ( isAnyLocalAddress | | isLinkLocalAddress | | isLoopbackAddress | | isSiteLocalAddress ) {
ConcurrentLog . info ( "Domain Init" , "local host address: " + hostaddress + " (local)" ) ;
localHostAddresses . add ( a ) ;
@ -197,11 +197,12 @@ public class Domains {
}
}
}
ConcurrentLog . info ( "Domain Init" , "finished" ) ;
}
} ;
domaininit . start ( ) ;
}
/ * *
* ! ! ! A T T E N T I O N A T T E N T I O N A T T E N T I O N ! ! !
*
@ -491,27 +492,27 @@ public class Domains {
"ZW=Zimbabwe" ,
"YT=Mayotte"
} ;
private static final String [ ] TLD_Infrastructure = {
"ARPA=operationally-critical infrastructural identifier spaces" ,
} ;
private static final String [ ] TLD_GenericRestricted = {
"BIZ=Business" ,
"NAME=Individuals" ,
"PRO=Credentialed professionals" ,
} ;
/ * *
* Country - Code top - level domains ( ccTLD ) recently added by the ICANN . A
* different list is used here so they can continue to be categorized with the
* TLD_Generic_ID without modifying URL hash computation .
* /
private static final String [ ] TLD_RecentCountryCodes = {
"cw=Curaçao" , // TLD Manager : University of Curacao
"sx=Sint Maarten" // TLD Manager : SX Registry SA B.V.
"cw=Curaçao" , // TLD Manager : University of Curacao
"sx=Sint Maarten" // TLD Manager : SX Registry SA B.V.
} ;
private static final String [ ] TLD_OpenNIC = {
// domains from the OpenNIC project, http://www.opennicproject.org, see also http://wiki.opennic.glue/OpenNICNamespaces
"GLUE=OpenNIC Internal Architectural use" ,
@ -679,9 +680,9 @@ public class Domains {
}
/ * *
* Map top - level domains ( lower caes ) to TLD category identifiers .
* Map top - level domains ( lower caes ) to TLD category identifiers .
* /
private static Map < String , Integer > TLDID = new ConcurrentHashMap < String , Integer > ( ) ;
private static Map < String , Integer > TLDID = new ConcurrentHashMap < > ( ) ;
//private static HashMap<String, String> TLDName = new HashMap<String, String>();
private static void insertTLDProps ( final String [ ] TLDList , final int id ) {
@ -720,7 +721,7 @@ public class Domains {
insertTLDProps ( TLD_MiddleEastWestAsia , TLD_MiddleEastWestAsia_ID ) ;
insertTLDProps ( TLD_NorthAmericaOceania , TLD_NorthAmericaOceania_ID ) ;
insertTLDProps ( TLD_Africa , TLD_Africa_ID ) ;
for ( GenericTLD tld : GenericTLD . values ( ) ) {
for ( final GenericTLD tld : GenericTLD . values ( ) ) {
TLDID . put ( tld . getDomainName ( ) , TLD_Generic_ID ) ;
}
/ *
@ -729,17 +730,17 @@ public class Domains {
* be modified
* /
insertTLDProps ( TLD_RecentCountryCodes , TLD_Generic_ID ) ;
for ( InternationalizedCountryCodeTLD tld : InternationalizedCountryCodeTLD . values ( ) ) {
for ( final InternationalizedCountryCodeTLD tld : InternationalizedCountryCodeTLD . values ( ) ) {
TLDID . put ( tld . getDomainName ( ) , TLD_Generic_ID ) ;
}
insertTLDProps ( TLD_GenericRestricted , TLD_Generic_ID ) ;
insertTLDProps ( TLD_Infrastructure , TLD_Generic_ID ) ;
for ( SponsoredTLD tld : SponsoredTLD . values ( ) ) {
for ( final SponsoredTLD tld : SponsoredTLD . values ( ) ) {
TLDID . put ( tld . getDomainName ( ) , TLD_Generic_ID ) ;
}
insertTLDProps ( TLD_OpenNIC , TLD_Generic_ID ) ;
// the id=7 (TLD_Local_ID) is used to flag local addresses
}
@ -787,7 +788,7 @@ public class Domains {
host = host . toLowerCase ( Locale . ROOT ) . trim ( ) ;
// trying to resolve host by doing a name cache lookup
InetAddress ip = NAME_CACHE_HIT . get ( host ) ;
final InetAddress ip = NAME_CACHE_HIT . get ( host ) ;
if ( ip ! = null ) {
cacheHit_Hit + + ;
return ip ;
@ -808,7 +809,7 @@ public class Domains {
public static List < Pattern > makePatterns ( final String patternList ) throws PatternSyntaxException {
final String [ ] entries = ( patternList ! = null ) ? CommonPattern . COMMA . split ( patternList ) : new String [ 0 ] ;
final List < Pattern > patterns = new ArrayList < Pattern > ( entries . length ) ;
final List < Pattern > patterns = new ArrayList < > ( entries . length ) ;
for ( final String entry : entries ) {
patterns . add ( Pattern . compile ( entry . trim ( ) ) ) ;
}
@ -841,7 +842,7 @@ public class Domains {
NAME_CACHE_HIT . insertIfAbsent ( host , i ) ;
cacheHit_Insert + + ;
}
final private static ExecutorService getByNameService = Executors
. newCachedThreadPool ( new NamePrefixThreadFactory ( "InetAddress.getByName" ) ) ;
@ -857,26 +858,26 @@ public class Domains {
// normalize
if ( target = = null | | target . isEmpty ( ) ) return null ;
target = target . toLowerCase ( Locale . ROOT ) . trim ( ) ; // we can lowercase this because host names are case-insensitive
// extract the address (host:port) part (applies if this is an url)
int p = target . indexOf ( "://" ) ;
if ( p > 0 ) target = target . substring ( p + 3 ) ;
p = target . indexOf ( '/' ) ;
if ( p > 0 ) target = target . substring ( 0 , p ) ;
// IPv4 / host heuristics
p = target . lastIndexOf ( ':' ) ;
p = target . lastIndexOf ( ':' ) ;
if ( p < 0 ) {
p = target . lastIndexOf ( '%' ) ;
if ( p > 0 ) target = target . substring ( 0 , p ) ;
return target ;
}
// the ':' at pos p may be either a port divider or a part of an IPv6 address
if ( p > target . lastIndexOf ( ']' ) ) { // if after ] it's a port divider (not IPv6 part)
target = target . substring ( 0 , p ) ;
}
// may be IPv4 or IPv6, we chop off brackets if exist
if ( target . charAt ( 0 ) = = '[' ) target = target . substring ( 1 ) ;
if ( target . charAt ( target . length ( ) - 1 ) = = ']' ) target = target . substring ( 0 , target . length ( ) - 1 ) ;
@ -890,19 +891,19 @@ public class Domains {
* like http : // to return correct default port). If no port is given, default
* ports are returned . On missing protocol , port = 80 is assumed .
* @param target url ( must start with protocol )
* @return port number
* @return port number
* /
public static int stripToPort ( String target ) {
int port = 80 ; // default port
// normalize
if ( target = = null | | target . isEmpty ( ) ) return port ;
target = target . toLowerCase ( Locale . ROOT ) . trim ( ) ; // we can lowercase this because host names are case-insensitive
// extract the address (host:port) part (applies if this is an url)
int p = target . indexOf ( "://" ) ;
if ( p > 0 ) {
String protocol = target . substring ( 0 , p ) ;
final String protocol = target . substring ( 0 , p ) ;
target = target . substring ( p + 3 ) ;
if ( "https" . equals ( protocol ) ) port = 443 ;
if ( "ftp" . equals ( protocol ) ) port = 21 ;
@ -910,9 +911,9 @@ public class Domains {
}
p = target . indexOf ( '/' ) ;
if ( p > 0 ) target = target . substring ( 0 , p ) ;
// IPv4 / host heuristics
p = target . lastIndexOf ( ':' ) ;
p = target . lastIndexOf ( ':' ) ;
if ( p < 0 ) return port ;
// the ':' must be a port divider or part of ipv6
@ -921,7 +922,7 @@ public class Domains {
}
return port ;
}
/ * *
* resolve a host address using a local DNS cache and a DNS lookup if necessary
* @param clienthost
@ -936,7 +937,7 @@ public class Domains {
NAME_CACHE_HIT . clear ( ) ;
NAME_CACHE_MISS . clear ( ) ;
}
if ( host0 . endsWith ( ".yacyh" ) ) {
// that should not happen here
return null ;
@ -984,7 +985,7 @@ public class Domains {
//if (!matchesList(host, nameCacheNoCachingPatterns)) System.out.println("DNSLOOKUP " + host);
try {
//final long t = System.currentTimeMillis();
String oldName = Thread . currentThread ( ) . getName ( ) ;
final String oldName = Thread . currentThread ( ) . getName ( ) ;
Thread . currentThread ( ) . setName ( "Domains: DNS resolve of '" + host + "'" ) ; // thread dump show which host is resolved
if ( InetAddresses . isInetAddress ( host ) ) {
try {
@ -996,10 +997,10 @@ public class Domains {
}
Thread . currentThread ( ) . setName ( oldName ) ;
if ( ip = = null ) {
long activeRequests = dnsRequests . incrementAndGet ( ) ;
final long activeRequests = dnsRequests . incrementAndGet ( ) ;
if ( activeRequests > 50 ) {
// throttle requests to remote DNS
try { Thread . sleep ( 10 * ( activeRequests - 50 ) ) ; } catch ( InterruptedException e ) { }
try { Thread . sleep ( 10 * ( activeRequests - 50 ) ) ; } catch ( final InterruptedException e ) { }
}
try {
ip = timeLimiter . callWithTimeout ( new Callable < InetAddress > ( ) {
@ -1094,12 +1095,12 @@ public class Domains {
public static Set < String > myPublicIPs ( ) {
// use a LinkedHashSet to get an order of IPs where the IPv4 are preferred to get a better compatibility with older implementations
Set < String > h = new LinkedHashSet < > ( publicIPv4HostAddresses . size ( ) + publicIPv6HostAddresses . size ( ) ) ;
for ( InetAddress i : publicIPv4HostAddresses ) h . add ( i . getHostAddress ( ) ) ;
for ( InetAddress i : publicIPv6HostAddresses ) h . add ( i . getHostAddress ( ) ) ;
final Set < String > h = new LinkedHashSet < > ( publicIPv4HostAddresses . size ( ) + publicIPv6HostAddresses . size ( ) ) ;
for ( final InetAddress i : publicIPv4HostAddresses ) h . add ( i . getHostAddress ( ) ) ;
for ( final InetAddress i : publicIPv6HostAddresses ) h . add ( i . getHostAddress ( ) ) ;
return h ;
}
/ * *
* Get all IPv4 addresses which are assigned to the local host but are public IP addresses .
* These should be the possible addresses which can be used to access this peer .
@ -1108,7 +1109,7 @@ public class Domains {
public static Set < InetAddress > myPublicIPv4 ( ) {
return publicIPv4HostAddresses ;
}
/ * *
* Get all IPv6 addresses which are assigned to the local host but are public IP addresses .
* These should be the possible addresses which can be used to access this peer .
@ -1126,16 +1127,16 @@ public class Domains {
while ( domaininit = = null | | domaininit . isAlive ( ) ) try { Thread . sleep ( 1000 ) ; } catch ( final InterruptedException e ) { }
return localHostAddresses ;
}
public static Set < InetAddress > myIPv4IntranetIPs ( ) {
Set < InetAddress > in = new HashSet < > ( ) ;
for ( InetAddress a : myIntranetIPs ( ) ) if ( a instanceof Inet4Address ) in . add ( a ) ;
final Set < InetAddress > in = new HashSet < > ( ) ;
for ( final InetAddress a : myIntranetIPs ( ) ) if ( a instanceof Inet4Address ) in . add ( a ) ;
return in ;
}
public static Set < InetAddress > myIPv4IntranetNonLocalhostIPs ( ) {
Set < InetAddress > in = new HashSet < > ( ) ;
for ( InetAddress a : myIPv4IntranetIPs ( ) ) if ( ( ( Inet4Address ) a ) . getAddress ( ) [ 0 ] ! = 127 ) in . add ( a ) ;
final Set < InetAddress > in = new HashSet < > ( ) ;
for ( final InetAddress a : myIPv4IntranetIPs ( ) ) if ( ( ( Inet4Address ) a ) . getAddress ( ) [ 0 ] ! = 127 ) in . add ( a ) ;
return in ;
}
@ -1159,7 +1160,7 @@ public class Domains {
* /
public static boolean isThisHostIP ( final Set < String > hostNames ) {
if ( ( hostNames = = null ) | | ( hostNames . isEmpty ( ) ) ) return false ;
for ( String hostName : hostNames ) {
for ( final String hostName : hostNames ) {
if ( hostName . indexOf ( ':' ) > 0 ) return false ; // IPv6 addresses do not count because they are always host IPs
if ( isThisHostIP ( Domains . dnsResolve ( hostName ) ) ) return true ;
}
@ -1182,11 +1183,11 @@ public class Domains {
return ( isLocal ( host , hostaddress ) ) ? TLD_Local_ID : TLD_Generic_ID ;
}
public static String chopZoneID ( String ip ) {
int i = ip . indexOf ( '%' ) ;
public static String chopZoneID ( final String ip ) {
final int i = ip . indexOf ( '%' ) ;
return i < 0 ? ip : ip . substring ( 0 , i ) ;
}
/ * *
* check the host ip string against localhost names
* @param host
@ -1213,7 +1214,7 @@ public class Domains {
INTRANET_PATTERNS . matcher ( host ) . matches ( ) ) | |
localHostNames . contains ( host ) ;
}
/ * *
* check if the given host is a local address .
* the hostaddress is optional and shall be given if the address is already known
@ -1259,7 +1260,7 @@ public class Domains {
private static boolean isLocal ( final InetAddress a ) {
final boolean
localp = noLocalCheck | | // DO NOT REMOVE THIS! it is correct to return true if the check is off
a = = null | | // TODO returning true here after dns resolution failed can make hash generation inconsistent on some hosts
a = = null | | // TODO returning true here after dns resolution failed can make hash generation inconsistent on some hosts
// (hash is marked with TLD_LOCAL_ID when host name is not found within timeout, but then is marked again with TLD_Generic when the host name is found within timeout on another request)
a . isAnyLocalAddress ( ) | |
a . isLinkLocalAddress ( ) | |
@ -1305,11 +1306,7 @@ public class Domains {
if ( isLocal ( address . getHostAddress ( ) , address , false ) ) return null ;
try {
return ( Locale ) InetAddressLocatorGetLocaleInetAddressMethod . invoke ( null , new Object [ ] { address } ) ;
} catch ( final IllegalArgumentException e ) {
return null ;
} catch ( final IllegalAccessException e ) {
return null ;
} catch ( final InvocationTargetException e ) {
} catch ( final IllegalArgumentException | IllegalAccessException | InvocationTargetException e ) {
return null ;
}
}
@ -1323,11 +1320,11 @@ public class Domains {
* /
public static String getDNC ( final String host ) {
if ( host = = null | | host . length ( ) = = 0 ) return "" ;
int p0 = host . lastIndexOf ( '.' ) ;
final int p0 = host . lastIndexOf ( '.' ) ;
if ( p0 < 0 ) return host . toLowerCase ( Locale . ROOT ) ;
int p1 = host . lastIndexOf ( '.' , p0 - 1 ) ;
final int p1 = host . lastIndexOf ( '.' , p0 - 1 ) ;
if ( p1 < 0 ) return host . substring ( p0 + 1 ) . toLowerCase ( Locale . ROOT ) ;
String ccSLDTLD = host . substring ( p1 + 1 ) . toLowerCase ( Locale . ROOT ) ;
final String ccSLDTLD = host . substring ( p1 + 1 ) . toLowerCase ( Locale . ROOT ) ;
return ccSLD_TLD . contains ( ccSLDTLD ) ? ccSLDTLD : host . substring ( p0 + 1 ) . toLowerCase ( Locale . ROOT ) ;
}
@ -1337,16 +1334,16 @@ public class Domains {
* @param host
* @return the SLD or the Third Level Domain , if the SLD is a ccSLD
* /
public static String getSmartSLD ( String host ) {
public static String getSmartSLD ( final String host ) {
if ( host = = null | | host . length ( ) = = 0 ) return "" ;
int p0 = host . lastIndexOf ( '.' ) ;
final int p0 = host . lastIndexOf ( '.' ) ;
if ( p0 < 0 ) return host . toLowerCase ( Locale . ROOT ) ; // no subdomain present
int p1 = host . lastIndexOf ( '.' , p0 - 1 ) ;
final int p1 = host . lastIndexOf ( '.' , p0 - 1 ) ;
if ( p1 < 0 ) return host . substring ( 0 , p0 ) . toLowerCase ( Locale . ROOT ) ; // no third-level domain present, just use the second level
String ccSLDTLD = host . substring ( p1 + 1 ) . toLowerCase ( Locale . ROOT ) ;
final String ccSLDTLD = host . substring ( p1 + 1 ) . toLowerCase ( Locale . ROOT ) ;
if ( ! ccSLD_TLD . contains ( ccSLDTLD ) ) return host . substring ( p1 + 1 , p0 ) . toLowerCase ( Locale . ROOT ) ; // because the ccSLDTLD is not contained in the list of knwon ccSDL, we use the SLD from p1 to p0
// the third level domain is the correct one
int p2 = host . lastIndexOf ( '.' , p1 - 1 ) ;
final int p2 = host . lastIndexOf ( '.' , p1 - 1 ) ;
if ( p2 < 0 ) return host . substring ( 0 , p1 ) . toLowerCase ( Locale . ROOT ) ;
return host . substring ( p2 + 1 , p1 ) ;
}
Michael Peter Christen
1 year ago