| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.idea.svn.commandLine; |
| |
| import com.intellij.openapi.application.ModalityState; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.util.Ref; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.util.WaitForProgressToShow; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.idea.svn.dialogs.ServerSSHDialog; |
| import org.jetbrains.idea.svn.dialogs.SimpleCredentialsDialog; |
| import org.tmatesoft.svn.core.SVNURL; |
| import org.tmatesoft.svn.core.auth.ISVNAuthenticationProvider; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * @author Konstantin Kolosovsky. |
| */ |
| public class TerminalSshModule extends LineCommandAdapter implements CommandRuntimeModule, InteractiveCommandListener { |
| |
| private static final Logger LOG = Logger.getInstance(TerminalSshModule.class); |
| |
| private static final Pattern PASSPHRASE_PROMPT = Pattern.compile("Enter passphrase for key \\'(.*)\\':\\s?"); |
| private static final Pattern PASSWORD_PROMPT = Pattern.compile("(.*)\\'s password:\\s?"); |
| |
| private static final Pattern UNKNOWN_HOST_MESSAGE = |
| Pattern.compile("The authenticity of host \\'((.*) \\((.*)\\))\\' can\\'t be established\\.\\s?"); |
| private static final Pattern HOST_FINGERPRINT_MESSAGE = Pattern.compile("(\\w+) key fingerprint is (.*)\\.\\s?"); |
| private static final Pattern ACCEPT_HOST_PROMPT = Pattern.compile("Are you sure you want to continue connecting \\(yes/no\\)\\?\\s?"); |
| |
| @NotNull private final CommandRuntime myRuntime; |
| @NotNull private final CommandExecutor myExecutor; |
| |
| private String unknownHost; |
| private String fingerprintAlgorithm; |
| private String hostFingerprint; |
| |
| // TODO: Do not accept executor here and make it as command runtime module |
| public TerminalSshModule(@NotNull CommandRuntime runtime, @NotNull CommandExecutor executor) { |
| myExecutor = executor; |
| myRuntime = runtime; |
| } |
| |
| @Override |
| public void onStart(@NotNull Command command) throws SvnBindException { |
| } |
| |
| @Override |
| public boolean handlePrompt(String line, Key outputType) { |
| return checkPassphrase(line) || checkPassword(line) || checkUnknownHost(line); |
| } |
| |
| private boolean checkPassphrase(@NotNull String line) { |
| Matcher matcher = PASSPHRASE_PROMPT.matcher(line); |
| |
| return matcher.matches() && handleAuthPrompt(SimpleCredentialsDialog.Mode.SSH_PASSPHRASE, matcher.group(1)); |
| } |
| |
| private boolean checkPassword(@NotNull String line) { |
| Matcher matcher = PASSWORD_PROMPT.matcher(line); |
| |
| return matcher.matches() && handleAuthPrompt(SimpleCredentialsDialog.Mode.SSH_PASSWORD, matcher.group(1)); |
| } |
| |
| private boolean checkUnknownHost(@NotNull String line) { |
| Matcher unknownHostMatcher = UNKNOWN_HOST_MESSAGE.matcher(line); |
| Matcher hostFingerPrintMatcher = HOST_FINGERPRINT_MESSAGE.matcher(line); |
| Matcher acceptHostMatcher = ACCEPT_HOST_PROMPT.matcher(line); |
| |
| if (unknownHostMatcher.matches()) { |
| unknownHost = unknownHostMatcher.group(1); |
| } |
| else if (hostFingerPrintMatcher.matches()) { |
| fingerprintAlgorithm = hostFingerPrintMatcher.group(1); |
| hostFingerprint = hostFingerPrintMatcher.group(2); |
| } |
| else if (acceptHostMatcher.matches()) { |
| handleUnknownHost(); |
| } |
| |
| return unknownHostMatcher.matches() || hostFingerPrintMatcher.matches() || acceptHostMatcher.matches(); |
| } |
| |
| private void handleUnknownHost() { |
| final Project project = myRuntime.getVcs().getProject(); |
| final Ref<Integer> answer = new Ref<Integer>(); |
| |
| Runnable command = new Runnable() { |
| @Override |
| public void run() { |
| final ServerSSHDialog dialog = new ServerSSHDialog(project, true, unknownHost, fingerprintAlgorithm, hostFingerprint); |
| dialog.show(); |
| answer.set(dialog.getResult()); |
| } |
| }; |
| |
| // Use ModalityState.any() as currently ssh credentials in terminal mode are requested in the thread that reads output and not in |
| // the thread that started progress |
| WaitForProgressToShow.runOrInvokeAndWaitAboveProgress(command, ModalityState.any()); |
| |
| unknownHost = null; |
| fingerprintAlgorithm = null; |
| hostFingerprint = null; |
| |
| sendAnswer(answer.get() == ISVNAuthenticationProvider.REJECTED ? "no" : "yes"); |
| } |
| |
| private boolean handleAuthPrompt(@NotNull final SimpleCredentialsDialog.Mode mode, @NotNull final String key) { |
| final SVNURL repositoryUrl = myExecutor.getCommand().getRepositoryUrl(); |
| |
| // TODO: repositoryUrl could be null for some cases, for instance for info command for file is invoked that requires |
| // TODO: authentication (like "svn info <file> -r HEAD"), if it is invoked before all working copy roots are resolved. |
| // TODO: resolving repositoryUrl logic should be updated so that repositoryUrl is not null here. |
| String auth = |
| myRuntime.getAuthenticationService().requestSshCredentials(repositoryUrl != null ? repositoryUrl.toDecodedString() : "", mode, key); |
| |
| if (!StringUtil.isEmpty(auth)) { |
| sendAnswer(auth); |
| } else { |
| myExecutor.destroyProcess("Authentication canceled for repository: " + repositoryUrl); |
| } |
| |
| return !StringUtil.isEmpty(auth); |
| } |
| |
| private boolean sendAnswer(@NotNull String answer) { |
| try { |
| myExecutor.write(answer + "\n"); |
| return true; |
| } |
| catch (SvnBindException e) { |
| // TODO: handle this more carefully |
| LOG.info(e); |
| } |
| return false; |
| } |
| } |