| /* |
| * Copyright (C) 2014, Alexey Kuznetsov <axet@me.com> |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived 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. |
| */ |
| |
| package org.eclipse.jgit.transport; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.time.Instant; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.TreeMap; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.jgit.util.FS; |
| |
| /** |
| * NetRC file parser. |
| * |
| * @since 3.5 |
| */ |
| public class NetRC { |
| static final Pattern NETRC = Pattern.compile("(\\S+)"); //$NON-NLS-1$ |
| |
| /** |
| * 'default' netrc entry. This is the same as machine name except that |
| * default matches any name. There can be only one default token, and it |
| * must be after all machine tokens. |
| */ |
| static final String DEFAULT_ENTRY = "default"; //$NON-NLS-1$ |
| |
| /** |
| * .netrc file entry |
| */ |
| public static class NetRCEntry { |
| /** |
| * login netrc entry |
| */ |
| public String login; |
| |
| /** |
| * password netrc entry |
| */ |
| public char[] password; |
| |
| /** |
| * machine netrc entry |
| */ |
| public String machine; |
| |
| /** |
| * account netrc entry |
| */ |
| public String account; |
| |
| /** |
| * macdef netrc entry. Defines a macro. This token functions like the |
| * ftp macdef command functions. A macro is defined with the specified |
| * name; its contents begins with the next .netrc line and continues |
| * until a null line (consecutive new-line characters) is encountered. |
| * If a macro named init is defined, it is automatically executed as the |
| * last step in the auto-login process. |
| */ |
| public String macdef; |
| |
| /** |
| * macro script body of macdef entry. |
| */ |
| public String macbody; |
| |
| /** |
| * Default constructor |
| */ |
| public NetRCEntry() { |
| } |
| |
| boolean complete() { |
| return login != null && password != null && machine != null; |
| } |
| } |
| |
| private File netrc; |
| |
| private Instant lastModified; |
| |
| private Map<String, NetRCEntry> hosts = new HashMap<>(); |
| |
| private static final TreeMap<String, State> STATE = new TreeMap<String, NetRC.State>() { |
| private static final long serialVersionUID = -4285910831814853334L; |
| { |
| put("machine", State.MACHINE); //$NON-NLS-1$ |
| put("login", State.LOGIN); //$NON-NLS-1$ |
| put("password", State.PASSWORD); //$NON-NLS-1$ |
| put(DEFAULT_ENTRY, State.DEFAULT); |
| put("account", State.ACCOUNT); //$NON-NLS-1$ |
| put("macdef", State.MACDEF); //$NON-NLS-1$ |
| } |
| }; |
| |
| enum State { |
| COMMAND, MACHINE, LOGIN, PASSWORD, DEFAULT, ACCOUNT, MACDEF |
| } |
| |
| /** |
| * <p>Constructor for NetRC.</p> |
| */ |
| public NetRC() { |
| netrc = getDefaultFile(); |
| if (netrc != null) |
| parse(); |
| } |
| |
| /** |
| * <p>Constructor for NetRC.</p> |
| * |
| * @param netrc |
| * the .netrc file |
| */ |
| public NetRC(File netrc) { |
| this.netrc = netrc; |
| parse(); |
| } |
| |
| private static File getDefaultFile() { |
| File home = FS.DETECTED.userHome(); |
| File netrc = new File(home, ".netrc"); //$NON-NLS-1$ |
| if (netrc.exists()) |
| return netrc; |
| |
| netrc = new File(home, "_netrc"); //$NON-NLS-1$ |
| if (netrc.exists()) |
| return netrc; |
| |
| return null; |
| } |
| |
| /** |
| * Get entry by host name |
| * |
| * @param host |
| * the host name |
| * @return entry associated with host name or null |
| */ |
| public NetRCEntry getEntry(String host) { |
| if (netrc == null) |
| return null; |
| |
| if (!this.lastModified |
| .equals(FS.DETECTED.lastModifiedInstant(this.netrc))) { |
| parse(); |
| } |
| |
| NetRCEntry entry = this.hosts.get(host); |
| |
| if (entry == null) |
| entry = this.hosts.get(DEFAULT_ENTRY); |
| |
| return entry; |
| } |
| |
| /** |
| * Get all entries collected from .netrc file |
| * |
| * @return all entries collected from .netrc file |
| */ |
| public Collection<NetRCEntry> getEntries() { |
| return hosts.values(); |
| } |
| |
| private void parse() { |
| this.hosts.clear(); |
| this.lastModified = FS.DETECTED.lastModifiedInstant(this.netrc); |
| |
| try (BufferedReader r = new BufferedReader( |
| new InputStreamReader(new FileInputStream(netrc), UTF_8))) { |
| String line = null; |
| |
| NetRCEntry entry = new NetRCEntry(); |
| |
| State state = State.COMMAND; |
| |
| String macbody = ""; //$NON-NLS-1$ |
| |
| Matcher matcher = NETRC.matcher(""); //$NON-NLS-1$ |
| while ((line = r.readLine()) != null) { |
| |
| // reading macbody |
| if (entry.macdef != null && entry.macbody == null) { |
| if (line.length() == 0) { |
| entry.macbody = macbody; |
| macbody = ""; //$NON-NLS-1$ |
| continue; |
| } |
| macbody += line + "\n"; //$NON-NLS-1$; |
| continue; |
| } |
| |
| matcher.reset(line); |
| while (matcher.find()) { |
| String command = matcher.group().toLowerCase(Locale.ROOT); |
| if (command.startsWith("#")) { //$NON-NLS-1$ |
| matcher.reset(""); //$NON-NLS-1$ |
| continue; |
| } |
| state = STATE.get(command); |
| if (state == null) |
| state = State.COMMAND; |
| |
| switch (state) { |
| case COMMAND: |
| break; |
| case ACCOUNT: |
| if (entry.account != null && entry.complete()) { |
| hosts.put(entry.machine, entry); |
| entry = new NetRCEntry(); |
| } |
| if (matcher.find()) |
| entry.account = matcher.group(); |
| state = State.COMMAND; |
| break; |
| case LOGIN: |
| if (entry.login != null && entry.complete()) { |
| hosts.put(entry.machine, entry); |
| entry = new NetRCEntry(); |
| } |
| if (matcher.find()) |
| entry.login = matcher.group(); |
| state = State.COMMAND; |
| break; |
| case PASSWORD: |
| if (entry.password != null && entry.complete()) { |
| hosts.put(entry.machine, entry); |
| entry = new NetRCEntry(); |
| } |
| if (matcher.find()) |
| entry.password = matcher.group().toCharArray(); |
| state = State.COMMAND; |
| break; |
| case DEFAULT: |
| if (entry.machine != null && entry.complete()) { |
| hosts.put(entry.machine, entry); |
| entry = new NetRCEntry(); |
| } |
| entry.machine = DEFAULT_ENTRY; |
| state = State.COMMAND; |
| break; |
| case MACDEF: |
| if (entry.macdef != null && entry.complete()) { |
| hosts.put(entry.machine, entry); |
| entry = new NetRCEntry(); |
| } |
| if (matcher.find()) |
| entry.macdef = matcher.group(); |
| state = State.COMMAND; |
| break; |
| case MACHINE: |
| if (entry.machine != null && entry.complete()) { |
| hosts.put(entry.machine, entry); |
| entry = new NetRCEntry(); |
| } |
| if (matcher.find()) |
| entry.machine = matcher.group(); |
| state = State.COMMAND; |
| break; |
| } |
| } |
| } |
| |
| // reading macbody on EOF |
| if (entry.macdef != null && entry.macbody == null) |
| entry.macbody = macbody; |
| |
| if (entry.complete()) |
| hosts.put(entry.machine, entry); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |