java访问https 404_java访问SSL 证书使用https不可访问报错的情况

淡淡的烟草味﹌ 2022-11-03 04:01 136阅读 0赞

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\* from this software without specific prior written permission.

\* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

\* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

\* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

\* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

\* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

\* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

\* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

\* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

\* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

\* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

\* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\*/import java.io.\*;

import java.security.\*;

import java.security.cert.\*;

import javax.net.ssl.\*;public classInstallCert \{public static voidmain(String\[\] args) throws Exception \{

String host;intport;char\[\] passphrase;

String\[\] h=\{"litc.xforceplus.com"\};//这是要访问的webservice的网址

if ((h.length == 1) || (h.length == 2)) \{

String\[\] c= h\[0\].split(":");

host= c\[0\];

port= (c.length == 1) ? 443 : Integer.parseInt(c\[1\]);

String p= (h.length == 1) ? "changeit" : h\[1\];

passphrase=p.toCharArray();

\}else\{

System.out.println("Usage: java InstallCert \[:port\] \[passphrase\]");return;

File file= new File("jssecacerts");if (file.isFile() == false) \{char SEP =File.separatorChar;

File dir= new File(System.getProperty("java.home") +SEP1+ "lib" + SEP + "security");

file= new File(dir, "jssecacerts");if (file.isFile() == false) \{

file= new File(dir, "cacerts");

System.out.println("Loading KeyStore" + file + "...");

InputStreamin = newFileInputStream(file);

KeyStore ks=KeyStore.getInstance(KeyStore.getDefaultType());

ks.load(in, passphrase);in.close();

SSLContext context= SSLContext.getInstance("TLS");

TrustManagerFactory tmf=TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

tmf.init(ks);

X509TrustManager defaultTrustManager= (X509TrustManager)tmf.getTrustManagers()\[0\];

SavingTrustManager tm= newSavingTrustManager(defaultTrustManager);

context.init(null, new TrustManager\[\] \{tm\}, null);

SSLSocketFactory factory=context.getSocketFactory();

System.out.println("Opening connection to" + host + ":" + port + "...");

SSLSocket socket=(SSLSocket)factory.createSocket(host, port);

socket.setSoTimeout(10000);try\{

System.out.println("Starting SSL handshake...");

socket.startHandshake();

socket.close();

System.out.println();

System.out.println("No errors, certificate is already trusted");

\}catch(SSLException e) \{

System.out.println();

e.printStackTrace(System.out);

X509Certificate\[\] chain=tm.chain;if (chain == null) \{

System.out.println("Could not obtain server certificate chain");return;

BufferedReader reader=

new BufferedReader(new InputStreamReader(System.in));

System.out.println();

System.out.println("Server sent" + chain.length + "certificate(s):");

System.out.println();

MessageDigest sha1= MessageDigest.getInstance("SHA1");

MessageDigest md5= MessageDigest.getInstance("MD5");for (int i = 0; i < chain.length; i++) \{

X509Certificate cert=chain\[i\];

System.out.println

(" " + (i + 1) + "Subject" +cert.getSubjectDN());

System.out.println("Issuer" +cert.getIssuerDN());

sha1.update(cert.getEncoded());

System.out.println("sha1" +toHexString(sha1.digest()));

md5.update(cert.getEncoded());

System.out.println("md5" +toHexString(md5.digest()));

System.out.println();

System.out.println("Enter certificate to add to trusted keystore or 'q' to quit: \[1\]");

String line=reader.readLine().trim();intk;try\{

k= (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;

\}catch(NumberFormatException e) \{

System.out.println("KeyStore not changed");return;

X509Certificate cert=chain\[k\];

String alias= host + "-" + (k + 1);

ks.setCertificateEntry(alias, cert);

OutputStreamout = new FileOutputStream("jssecacerts");

ks.store(out, passphrase);out.close();

System.out.println();

System.out.println(cert);

System.out.println();

System.out.println

("Added certificate to keystore 'jssecacerts' using alias '"

\+ alias + "'");

\}private static final char\[\] HEXDIGITS = "0123456789abcdef".toCharArray();private static String toHexString(byte\[\] bytes) \{

StringBuilder sb= new StringBuilder(bytes.length \* 3);for (intb : bytes) \{

b&= 0xff;

sb.append(HEXDIGITS\[b>> 4\]);

sb.append(HEXDIGITS\[b& 15\]);

sb.append(' ');

\}returnsb.toString();

\}private static classSavingTrustManager implements X509TrustManager \{privatefinal X509TrustManager tm;privateX509Certificate\[\] chain;

SavingTrustManager(X509TrustManager tm) \{this.tm =tm;

\}publicX509Certificate\[\] getAcceptedIssuers() \{throw newUnsupportedOperationException();

\}public voidcheckClientTrusted(X509Certificate\[\] chain, String authType)

throws CertificateException \{throw newUnsupportedOperationException();

\}public voidcheckServerTrusted(X509Certificate\[\] chain, String authType)

throws CertificateException \{this.chain =chain;

tm.checkServerTrusted(chain, authType);

java访问https 404_java访问SSL 证书使用https不可访问报错的情况

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