/*
* Verifies a top-level domain exists against a fixed database.
* The first argument supplies is either a domain name, or a TLD,
* which is verified for validity against a fixed database that
* has been previously obtained with the {@link #refreshTldDB()} method.
* The second argument is the filename where the cache is stored.
* The file format should be the same as the one IANA publish at (http://data.iana.org/TLD/tlds-alpha-by-domain.txt).
* The version in the first line will be check against the current cache version to prevent loading of old data.
*
* @param domainName The domain name or a TLD to validate
* @param cacheFilePath The full path to where the cache is stored.
* @return <code>true</code> if the top-leve domain exist <code>false</code>
* @throws TLDVerifyException
*/
public bool verifyTldOffline(string domainName, string cacheFilePath)
{
try
{
string topLevelDomain = new DomainNameUtil().getTopLevelDomain(domainName);
readTld(new FileInfo(cacheFilePath));
return(cache.exist(topLevelDomain));
}
catch (IOException e)
{
throw new TLDVerifyException(e);
}
}
/*
* Verifies a top-level domain exists.
* This overloaded method takes from one to three arguments and verifies the TLD using the DNS protocol.
*
* @param domainName -- a domain name or a TLD.
* @param QTypes -- the type of query (SOA, NS, etc.).
* @param SendBy -- the method of query. Either UDP or TCP.
* @return <code>true</code> if the top-level domain exists, <code>false</code> if it does not exist.
*/
public bool verifyTld(string domainName)
{
try
{
string topLevelDomain = new DomainNameUtil().getTopLevelDomain(domainName);
Lookup lookup = new Lookup(topLevelDomain, QTypes.SOA, SendBy.UDP);
return(lookup.Result());
}
catch (Exception e)
{
throw new TLDVerifyException(e.Message, e);
}
}
/*
* Verifies a top-level domain exists against a fixed database.
* This methods takes a single argument, which can either be a
* domain name, or a TLD and verified for validity against a fixed database that
* has been previously obtained with the {@link #refreshTldDB()} method.
*
* @param domainName the domain name or a TLD to validate
* @return <code>true</code> if the top-leve domain exist <code>false</code>
* @throws TLDVerifyException
*/
public bool verifyTldOffline(string domainName)
{
try
{
string topLevelDomain = new DomainNameUtil().getTopLevelDomain(domainName);
if (cache != null)
{
return(cache.exist(topLevelDomain));
}
else
{
refreshTldDB(TLD_CACHE_FILE);
return(verifyTldOffline(topLevelDomain, TLD_CACHE_FILE));
}
}
catch (Exception e)
{
throw new TLDVerifyException(e);
}
}
public void testGetTopLevelDomain()
{
try
{
string tld = new DomainNameUtil().getTopLevelDomain("icann.org");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain("icann.org.");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain(".icann.org.");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain(".org.");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain("org");
assert.assertEquals("org", tld);
}
catch (Exception e)
{
throw new TLDVerifyException(e);
}
}
public void testGetTopLevelDomain()
{
try
{
string tld = new DomainNameUtil().getTopLevelDomain("icann.org");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain("icann.org.");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain(".icann.org.");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain(".org.");
assert.assertEquals("org", tld);
tld = new DomainNameUtil().getTopLevelDomain("org");
assert.assertEquals("org", tld);
}
catch (Exception e)
{
throw new TLDVerifyException(e);
}
}
/*
* Verifies a top-level domain exists against a fixed database.
* The first argument supplies is either a domain name, or a TLD,
* which is verified for validity against a fixed database that
* has been previously obtained with the {@link #refreshTldDB()} method.
* The second argument is the filename where the cache is stored.
* The file format should be the same as the one IANA publish at (http://data.iana.org/TLD/tlds-alpha-by-domain.txt).
* The version in the first line will be check against the current cache version to prevent loading of old data.
*
* @param domainName The domain name or a TLD to validate
* @param cacheFilePath The full path to where the cache is stored.
* @return <code>true</code> if the top-leve domain exist <code>false</code>
* @throws TLDVerifyException
*/
public bool verifyTldOffline(string domainName, string cacheFilePath)
{
try
{
string topLevelDomain = new DomainNameUtil().getTopLevelDomain(domainName);
readTld(new FileInfo(cacheFilePath));
return cache.exist(topLevelDomain);
}
catch (IOException e)
{
throw new TLDVerifyException(e);
}
}
/*
* Verifies a top-level domain exists against a fixed database.
* This methods takes a single argument, which can either be a
* domain name, or a TLD and verified for validity against a fixed database that
* has been previously obtained with the {@link #refreshTldDB()} method.
*
* @param domainName the domain name or a TLD to validate
* @return <code>true</code> if the top-leve domain exist <code>false</code>
* @throws TLDVerifyException
*/
public bool verifyTldOffline(string domainName)
{
try
{
string topLevelDomain = new DomainNameUtil().getTopLevelDomain(domainName);
if (cache != null)
{
return cache.exist(topLevelDomain);
}
else
{
refreshTldDB(TLD_CACHE_FILE);
return verifyTldOffline(topLevelDomain, TLD_CACHE_FILE);
}
}
catch (Exception e)
{
throw new TLDVerifyException(e);
}
}
/*
* Verifies a top-level domain exists.
* This overloaded method takes from one to three arguments and verifies the TLD using the DNS protocol.
*
* @param domainName -- a domain name or a TLD.
* @param QTypes -- the type of query (SOA, NS, etc.).
* @param SendBy -- the method of query. Either UDP or TCP.
* @return <code>true</code> if the top-level domain exists, <code>false</code> if it does not exist.
*/
public bool verifyTld(string domainName)
{
try
{
string topLevelDomain = new DomainNameUtil().getTopLevelDomain(domainName);
Lookup lookup = new Lookup(topLevelDomain, QTypes.SOA, SendBy.UDP);
return lookup.Result();
}
catch (Exception e)
{
throw new TLDVerifyException(e.Message, e);
}
}
