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1 | 1 | /* |
2 | | - * Copyright 2007-present the original author or authors. |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
3 | 9 | * |
4 | | - * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | | - * you may not use this file except in compliance with the License. |
6 | | - * You may obtain a copy of the License at |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
7 | 11 | * |
8 | | - * http://www.apache.org/licenses/LICENSE-2.0 |
9 | | - * |
10 | | - * Unless required by applicable law or agreed to in writing, software |
11 | | - * distributed under the License is distributed on an "AS IS" BASIS, |
12 | | - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | | - * See the License for the specific language governing permissions and |
14 | | - * limitations under the License. |
| 12 | + * Unless required by applicable law or agreed to in writing, |
| 13 | + * software distributed under the License is distributed on an |
| 14 | + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | + * KIND, either express or implied. See the License for the |
| 16 | + * specific language governing permissions and limitations |
| 17 | + * under the License. |
15 | 18 | */ |
16 | | -import java.net.*; |
17 | | -import java.io.*; |
18 | | -import java.nio.channels.*; |
19 | | -import java.util.Properties; |
20 | | - |
21 | | -public class MavenWrapperDownloader { |
22 | 19 |
|
23 | | - private static final String WRAPPER_VERSION = "0.5.6"; |
24 | | - /** |
25 | | - * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. |
26 | | - */ |
27 | | - private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" |
28 | | - + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; |
| 20 | +import java.io.IOException; |
| 21 | +import java.io.InputStream; |
| 22 | +import java.net.Authenticator; |
| 23 | +import java.net.PasswordAuthentication; |
| 24 | +import java.net.URI; |
| 25 | +import java.net.URL; |
| 26 | +import java.nio.file.Files; |
| 27 | +import java.nio.file.Path; |
| 28 | +import java.nio.file.Paths; |
| 29 | +import java.nio.file.StandardCopyOption; |
| 30 | +import java.util.concurrent.ThreadLocalRandom; |
29 | 31 |
|
30 | | - /** |
31 | | - * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to |
32 | | - * use instead of the default one. |
33 | | - */ |
34 | | - private static final String MAVEN_WRAPPER_PROPERTIES_PATH = |
35 | | - ".mvn/wrapper/maven-wrapper.properties"; |
| 32 | +public final class MavenWrapperDownloader { |
| 33 | + private static final String WRAPPER_VERSION = "3.3.4"; |
36 | 34 |
|
37 | | - /** |
38 | | - * Path where the maven-wrapper.jar will be saved to. |
39 | | - */ |
40 | | - private static final String MAVEN_WRAPPER_JAR_PATH = |
41 | | - ".mvn/wrapper/maven-wrapper.jar"; |
| 35 | + private static final boolean VERBOSE = Boolean.parseBoolean(System.getenv("MVNW_VERBOSE")); |
42 | 36 |
|
43 | | - /** |
44 | | - * Name of the property which should be used to override the default download url for the wrapper. |
45 | | - */ |
46 | | - private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; |
| 37 | + public static void main(String[] args) { |
| 38 | + log("Apache Maven Wrapper Downloader " + WRAPPER_VERSION); |
47 | 39 |
|
48 | | - public static void main(String args[]) { |
49 | | - System.out.println("- Downloader started"); |
50 | | - File baseDirectory = new File(args[0]); |
51 | | - System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); |
52 | | - |
53 | | - // If the maven-wrapper.properties exists, read it and check if it contains a custom |
54 | | - // wrapperUrl parameter. |
55 | | - File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); |
56 | | - String url = DEFAULT_DOWNLOAD_URL; |
57 | | - if(mavenWrapperPropertyFile.exists()) { |
58 | | - FileInputStream mavenWrapperPropertyFileInputStream = null; |
59 | | - try { |
60 | | - mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); |
61 | | - Properties mavenWrapperProperties = new Properties(); |
62 | | - mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); |
63 | | - url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); |
64 | | - } catch (IOException e) { |
65 | | - System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); |
66 | | - } finally { |
67 | | - try { |
68 | | - if(mavenWrapperPropertyFileInputStream != null) { |
69 | | - mavenWrapperPropertyFileInputStream.close(); |
70 | | - } |
71 | | - } catch (IOException e) { |
72 | | - // Ignore ... |
73 | | - } |
74 | | - } |
| 40 | + if (args.length != 2) { |
| 41 | + System.err.println(" - ERROR wrapperUrl or wrapperJarPath parameter missing"); |
| 42 | + System.exit(1); |
75 | 43 | } |
76 | | - System.out.println("- Downloading from: " + url); |
77 | 44 |
|
78 | | - File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); |
79 | | - if(!outputFile.getParentFile().exists()) { |
80 | | - if(!outputFile.getParentFile().mkdirs()) { |
81 | | - System.out.println( |
82 | | - "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); |
83 | | - } |
84 | | - } |
85 | | - System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); |
86 | 45 | try { |
87 | | - downloadFileFromURL(url, outputFile); |
88 | | - System.out.println("Done"); |
89 | | - System.exit(0); |
90 | | - } catch (Throwable e) { |
91 | | - System.out.println("- Error downloading"); |
92 | | - e.printStackTrace(); |
| 46 | + log(" - Downloader started"); |
| 47 | + final URL wrapperUrl = URI.create(args[0]).toURL(); |
| 48 | + final Path baseDir = Paths.get(".").toAbsolutePath().normalize(); |
| 49 | + final Path wrapperJarPath = baseDir.resolve(args[1]).normalize(); |
| 50 | + if (!wrapperJarPath.startsWith(baseDir)) { |
| 51 | + throw new IOException("Invalid path: outside of allowed directory"); |
| 52 | + } |
| 53 | + downloadFileFromURL(wrapperUrl, wrapperJarPath); |
| 54 | + log("Done"); |
| 55 | + } catch (IOException e) { |
| 56 | + System.err.println("- Error downloading: " + e.getMessage()); |
| 57 | + if (VERBOSE) { |
| 58 | + e.printStackTrace(); |
| 59 | + } |
93 | 60 | System.exit(1); |
94 | 61 | } |
95 | 62 | } |
96 | 63 |
|
97 | | - private static void downloadFileFromURL(String urlString, File destination) throws Exception { |
| 64 | + private static void downloadFileFromURL(URL wrapperUrl, Path wrapperJarPath) |
| 65 | + throws IOException { |
| 66 | + log(" - Downloading to: " + wrapperJarPath); |
98 | 67 | if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { |
99 | | - String username = System.getenv("MVNW_USERNAME"); |
100 | | - char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); |
| 68 | + final String username = System.getenv("MVNW_USERNAME"); |
| 69 | + final char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); |
101 | 70 | Authenticator.setDefault(new Authenticator() { |
102 | 71 | @Override |
103 | 72 | protected PasswordAuthentication getPasswordAuthentication() { |
104 | 73 | return new PasswordAuthentication(username, password); |
105 | 74 | } |
106 | 75 | }); |
107 | 76 | } |
108 | | - URL website = new URL(urlString); |
109 | | - ReadableByteChannel rbc; |
110 | | - rbc = Channels.newChannel(website.openStream()); |
111 | | - FileOutputStream fos = new FileOutputStream(destination); |
112 | | - fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); |
113 | | - fos.close(); |
114 | | - rbc.close(); |
| 77 | + Path temp = wrapperJarPath |
| 78 | + .getParent() |
| 79 | + .resolve(wrapperJarPath.getFileName() + "." |
| 80 | + + Long.toUnsignedString(ThreadLocalRandom.current().nextLong()) + ".tmp"); |
| 81 | + try (InputStream inStream = wrapperUrl.openStream()) { |
| 82 | + Files.copy(inStream, temp, StandardCopyOption.REPLACE_EXISTING); |
| 83 | + Files.move(temp, wrapperJarPath, StandardCopyOption.REPLACE_EXISTING); |
| 84 | + } finally { |
| 85 | + Files.deleteIfExists(temp); |
| 86 | + } |
| 87 | + log(" - Downloader complete"); |
| 88 | + } |
| 89 | + |
| 90 | + private static void log(String msg) { |
| 91 | + if (VERBOSE) { |
| 92 | + System.out.println(msg); |
| 93 | + } |
115 | 94 | } |
116 | 95 |
|
117 | 96 | } |
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