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CDEC-436: Generate SSH key before instalation
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Anatoliy Bazko
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Jan 16, 2016
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88 changes: 88 additions & 0 deletions
88
installation-manager-core/src/main/java/com/codenvy/im/utils/SshKey.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * CODENVY CONFIDENTIAL | ||
| * __________________ | ||
| * | ||
| * [2012] - [2016] Codenvy, S.A. | ||
| * All Rights Reserved. | ||
| * | ||
| * NOTICE: All information contained herein is, and remains | ||
| * the property of Codenvy S.A. and its suppliers, | ||
| * if any. The intellectual and technical concepts contained | ||
| * herein are proprietary to Codenvy S.A. | ||
| * and its suppliers and may be covered by U.S. and Foreign Patents, | ||
| * patents in process, and are protected by trade secret or copyright law. | ||
| * Dissemination of this information or reproduction of this material | ||
| * is strictly forbidden unless prior written permission is obtained | ||
| * from Codenvy S.A.. | ||
| */ | ||
| package com.codenvy.im.utils; | ||
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| import com.codenvy.im.commands.CommandException; | ||
| import com.codenvy.im.commands.SimpleCommand; | ||
|
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| import org.eclipse.che.commons.annotation.Nullable; | ||
|
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| import java.io.IOException; | ||
| import java.math.BigInteger; | ||
| import java.security.SecureRandom; | ||
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| import static com.codenvy.im.commands.SimpleCommand.createCommand; | ||
| import static java.lang.String.format; | ||
|
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| /** | ||
| * Generates ssh key. | ||
| * | ||
| * @author Anatoliy Bazko | ||
| */ | ||
| public class SshKey { | ||
| private static final String GENERATE_STRATEGY = "ssh-keygen -q -P '' -t rsa -f %s"; | ||
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| private String privatePart; | ||
| private String publicPart; | ||
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| public SshKey() throws IOException { | ||
| try { | ||
| generate(); | ||
| } catch (CommandException e) { | ||
| invalidateKey(); | ||
| throw new IOException("Can't generate ssh key", e); | ||
| } | ||
| } | ||
|
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| private void generate() throws CommandException { | ||
| String file = new BigInteger(120, new SecureRandom()).toString(); | ||
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| SimpleCommand command = createCommand(format(GENERATE_STRATEGY, file)); | ||
| command.execute(); | ||
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| command = createCommand(format("cat %s", file)); | ||
| privatePart = command.execute(); | ||
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| command = createCommand(format("cat %s.pub", file)); | ||
| publicPart = command.execute(); | ||
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| command = createCommand(format("rm %1$s; rm %1$s.pub", file)); | ||
| command.execute(); | ||
| } | ||
|
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| /** | ||
| * @return private part of the ssh key or null if key is invalid due to some reason | ||
| */ | ||
| @Nullable | ||
| public String getPrivatePart() { | ||
| return privatePart; | ||
| } | ||
|
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| /** | ||
| * @return public part of the ssh key or null if key is invalid due to some reason | ||
| */ | ||
| @Nullable | ||
| public String getPublicPart() { | ||
| return publicPart; | ||
| } | ||
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| private void invalidateKey() { | ||
| privatePart = null; | ||
| publicPart = null; | ||
| } | ||
| } |
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44 changes: 44 additions & 0 deletions
44
installation-manager-core/src/test/java/com/codenvy/im/utils/SshKeyTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package com.codenvy.im.utils; | ||
|
|
||
| /* | ||
| * CODENVY CONFIDENTIAL | ||
| * __________________ | ||
| * | ||
| * [2012] - [2016] Codenvy, S.A. | ||
| * All Rights Reserved. | ||
| * | ||
| * NOTICE: All information contained herein is, and remains | ||
| * the property of Codenvy S.A. and its suppliers, | ||
| * if any. The intellectual and technical concepts contained | ||
| * herein are proprietary to Codenvy S.A. | ||
| * and its suppliers and may be covered by U.S. and Foreign Patents, | ||
| * patents in process, and are protected by trade secret or copyright law. | ||
| * Dissemination of this information or reproduction of this material | ||
| * is strictly forbidden unless prior written permission is obtained | ||
| * from Codenvy S.A.. | ||
| */ | ||
|
|
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| import org.testng.annotations.Test; | ||
|
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| import static org.testng.Assert.assertNotNull; | ||
| import static org.testng.Assert.assertTrue; | ||
|
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| /** | ||
| * @author Anatoliy Bazko | ||
| */ | ||
| public class SshKeyTest { | ||
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| @Test | ||
| public void testGenerate() throws Exception { | ||
| SshKey sshKey = new SshKey(); | ||
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| String privatePart = sshKey.getPrivatePart(); | ||
| String publicPart = sshKey.getPublicPart(); | ||
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| assertNotNull(privatePart); | ||
| assertTrue(privatePart.contains("-----BEGIN RSA PRIVATE KEY-----")); | ||
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| assertNotNull(publicPart); | ||
| assertTrue(publicPart.startsWith("ssh-rsa")); | ||
| } | ||
| } |
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