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Merge pull request #3095 from mwoodiupui/3094

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Improve IPv6 support
This commit is contained in:
Tim Donohue
2021-02-11 08:44:33 -06:00
committed by GitHub
parent 5f468770ff c2a1287771
commit 1c85bed04c
3 changed files with 161 additions and 34 deletions
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52
dspace-api/src/main/java/org/dspace/statistics/SolrLoggerServiceImpl.java
View File

@@ -32,6 +32,7 @@ import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
@@ -95,7 +96,6 @@ import org.dspace.eperson.Group;
import org.dspace.service.ClientInfoService;
import org.dspace.services.ConfigurationService;
import org.dspace.statistics.service.SolrLoggerService;
import org.dspace.statistics.util.DnsLookup;
import org.dspace.statistics.util.LocationUtils;
import org.dspace.statistics.util.SpiderDetector;
import org.dspace.usage.UsageWorkflowEvent;
@@ -244,8 +244,9 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
} catch (RuntimeException re) {
throw re;
} catch (Exception e) {
String email = null == currentUser ? "[anonymous]" : currentUser.getEmail();
log.error("Error saving VIEW event to Solr for DSpaceObject {} by EPerson {}",
dspaceObject.getID(), currentUser.getEmail(), e);
dspaceObject.getID(), email, e);
}
}
@@ -326,14 +327,18 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
doc1.addField("referrer", request.getHeader("referer"));
}
InetAddress ipAddress = null;
try {
String dns = configurationService.getProperty("anonymize_statistics.dns_mask", "anonymized");
String dns;
if (!configurationService.getBooleanProperty("anonymize_statistics.anonymize_on_log", false)) {
dns = DnsLookup.reverseDns(ip);
ipAddress = InetAddress.getByName(ip);
dns = ipAddress.getHostName();
} else {
dns = configurationService.getProperty("anonymize_statistics.dns_mask", "anonymized");
}
doc1.addField("dns", dns.toLowerCase());
} catch (Exception e) {
log.info("Failed DNS Lookup for IP:" + ip);
doc1.addField("dns", dns.toLowerCase(Locale.ROOT));
} catch (UnknownHostException e) {
log.info("Failed DNS Lookup for IP: {}", ip);
log.debug(e.getMessage(), e);
}
if (request.getHeader("User-Agent") != null) {
@@ -342,9 +347,8 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
doc1.addField("isBot", isSpiderBot);
// Save the location information if valid, save the event without
// location information if not valid
if (locationService != null) {
if (locationService != null && ipAddress != null) {
try {
InetAddress ipAddress = InetAddress.getByName(ip);
CityResponse location = locationService.city(ipAddress);
String countryCode = location.getCountry().getIsoCode();
double latitude = location.getLocation().getLatitude();
@@ -358,16 +362,17 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
doc1.addField("continent", LocationUtils
.getContinentCode(countryCode));
} catch (Exception e) {
System.out
.println("COUNTRY ERROR: " + countryCode);
log.warn("Failed to load country/continent table: {}", countryCode);
}
doc1.addField("countryCode", countryCode);
doc1.addField("city", location.getCity().getName());
doc1.addField("latitude", latitude);
doc1.addField("longitude", longitude);
}
} catch (IOException | GeoIp2Exception e) {
log.error("Unable to get location of request: {}", e.getMessage());
} catch (IOException e) {
log.warn("GeoIP lookup failed.", e);
} catch (GeoIp2Exception e) {
log.info("Unable to get location of request: {}", e.getMessage());
}
}
}
@@ -408,14 +413,18 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
doc1.addField("ip", ip);
}
InetAddress ipAddress = null;
try {
String dns = configurationService.getProperty("anonymize_statistics.dns_mask", "anonymized");
String dns;
if (!configurationService.getBooleanProperty("anonymize_statistics.anonymize_on_log", false)) {
dns = DnsLookup.reverseDns(ip);
ipAddress = InetAddress.getByName(ip);
dns = ipAddress.getHostName();
} else {
dns = configurationService.getProperty("anonymize_statistics.dns_mask", "anonymized");
}
doc1.addField("dns", dns.toLowerCase());
} catch (Exception e) {
log.info("Failed DNS Lookup for IP:" + ip);
doc1.addField("dns", dns.toLowerCase(Locale.ROOT));
} catch (UnknownHostException e) {
log.info("Failed DNS Lookup for IP: {}", ip);
log.debug(e.getMessage(), e);
}
if (userAgent != null) {
@@ -426,7 +435,6 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
// location information if not valid
if (locationService != null) {
try {
InetAddress ipAddress = InetAddress.getByName(ip);
CityResponse location = locationService.city(ipAddress);
String countryCode = location.getCountry().getIsoCode();
double latitude = location.getLocation().getLatitude();
@@ -448,8 +456,10 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
doc1.addField("latitude", latitude);
doc1.addField("longitude", longitude);
}
} catch (GeoIp2Exception | IOException e) {
log.error("Unable to get location of request: {}", e.getMessage());
} catch (IOException e) {
log.warn("GeoIP lookup failed.", e);
} catch (GeoIp2Exception e) {
log.info("Unable to get location of request: {}", e.getMessage());
}
}

43
dspace-api/src/main/java/org/dspace/statistics/util/IPTable.java
View File

@@ -12,6 +12,9 @@ import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
/**
* A Spare v4 IPTable implementation that uses nested HashMaps
* to optimize IP address matching over ranges of IP addresses.
@@ -19,13 +22,23 @@ import java.util.Set;
* @author mdiggory at atmire.com
*/
public class IPTable {
private static final Logger log = LogManager.getLogger(IPTable.class);
/* A lookup tree for IP addresses and SubnetRanges */
private Map<String, Map<String, Map<String, Set<String>>>> map =
new HashMap<String, Map<String, Map<String, Set<String>>>>();
private final Map<String, Map<String, Map<String, Set<String>>>> map
= new HashMap<>();
/**
* Can be full v4 IP, subnet or range string
* Can be full v4 IP, subnet or range string.
* <ul>
* <li>A full address is a complete dotted-quad: {@code "1.2.3.4".}
* <li>A subnet is a dotted-triplet: {@code "1.2.3"}. It means an entire
* Class C subnet: "1.2.3.0-1.2.3.255".
* <li>A range is two dotted-quad addresses separated by hyphen:
* {@code "1.2.3.4-1.2.3.14"}. Only the final octet may be different.
* </ul>
*
* Any attempt at CIDR notation is ignored.
*
* @param ip IP address(es)
* @throws IPFormatException Exception Class to deal with IPFormat errors.
@@ -59,7 +72,6 @@ public class IPTable {
if (subnets.length < 3) {
throw new IPFormatException(ip + " - require at least three subnet places (255.255.255.0");
}
start = subnets;
@@ -67,27 +79,24 @@ public class IPTable {
}
if (start.length >= 3) {
Map<String, Map<String, Set<String>>> first = map.get(start[0]);
if (first == null) {
first = new HashMap<String, Map<String, Set<String>>>();
first = new HashMap<>();
map.put(start[0], first);
}
Map<String, Set<String>> second = first.get(start[1]);
if (second == null) {
second = new HashMap<String, Set<String>>();
second = new HashMap<>();
first.put(start[1], second);
}
Set<String> third = second.get(start[2]);
if (third == null) {
third = new HashSet<String>();
third = new HashSet<>();
second.put(start[2], third);
}
@@ -115,14 +124,22 @@ public class IPTable {
* Check whether a given address is contained in this netblock.
*
* @param ip the address to be tested
* @return true if {@code ip} is within this table's limits
* @return true if {@code ip} is within this table's limits. Returns false
* if {@link ip} looks like an IPv6 address.
* @throws IPFormatException Exception Class to deal with IPFormat errors.
*/
public boolean contains(String ip) throws IPFormatException {
String[] subnets = ip.split("\\.");
if (subnets.length != 4) {
// Does it look like IPv6?
if (subnets.length > 4 || ip.contains("::")) {
log.warn("Address {} assumed not to match. IPv6 is not implemented.", ip);
return false;
}
// Does it look like a subnet?
if (subnets.length < 4) {
throw new IPFormatException("needs to be a single IP address");
}
@@ -154,7 +171,7 @@ public class IPTable {
* @return this table's content as a Set
*/
public Set<String> toSet() {
HashSet<String> set = new HashSet<String>();
HashSet<String> set = new HashSet<>();
for (Map.Entry<String, Map<String, Map<String, Set<String>>>> first : map.entrySet()) {
String firstString = first.getKey();

100
dspace-api/src/test/java/org/dspace/statistics/util/IPTableTest.java Normal file
View File

@@ -0,0 +1,100 @@
/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.statistics.util;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.dspace.statistics.util.IPTable.IPFormatException;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
/**
*
* @author mwood
*/
public class IPTableTest {
private static final String LOCALHOST = "127.0.0.1";
public IPTableTest() {
}
@BeforeClass
public static void setUpClass() {
}
@AfterClass
public static void tearDownClass() {
}
@Before
public void setUp() {
}
@After
public void tearDown() {
}
/**
* Test of add method, of class IPTable.
* @throws java.lang.Exception passed through.
*/
@Ignore
@Test
public void testAdd() throws Exception {
}
/**
* Test of contains method, of class IPTable.
* @throws java.lang.Exception passed through.
*/
@Test
public void testContains()
throws Exception {
IPTable instance = new IPTable();
instance.add(LOCALHOST);
boolean contains;
contains = instance.contains(LOCALHOST);
assertTrue("Address that was add()ed should match", contains);
contains = instance.contains("192.168.1.1");
assertFalse("Address that was not add()ed should not match", contains);
contains = instance.contains("fec0:0:0:1::2");
assertFalse("IPv6 address should not match anything.", contains);
}
/**
* Test of contains method when presented with an invalid address.
* @throws Exception passed through.
*/
@Test(expected = IPFormatException.class)
public void testContainsBadFormat()
throws Exception {
IPTable instance = new IPTable();
instance.add(LOCALHOST);
boolean contains;
// This should throw an IPFormatException.
contains = instance.contains("axolotl");
assertFalse("Nonsense string should raise an exception.", contains);
}
/**
* Test of toSet method, of class IPTable.
*/
@Ignore
@Test
public void testToSet() {
}
}