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Set User-Agent for Requests in a fashion similar to a web browser
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /** | ||
| * @author Ewan McDougall | ||
| * | ||
| * Copyright (C) 2017 Tres Finocchiaro, QZ Industries, LLC | ||
| * | ||
| * LGPL 2.1 This is free software. This software and source code are released under | ||
| * the "LGPL 2.1 License". A copy of this license should be distributed with | ||
| * this software. http://www.gnu.org/licenses/lgpl-2.1.html | ||
| */ | ||
| package qz.utils; | ||
|
|
||
| import java.awt.*; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.net.URL; | ||
| import java.net.URLConnection; | ||
|
|
||
| import org.apache.commons.lang3.StringUtils; | ||
|
|
||
| import org.slf4j.LoggerFactory; | ||
| import qz.common.Constants; | ||
|
|
||
| public final class ConnectionUtilities { | ||
|
|
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| private static final org.slf4j.Logger log = LoggerFactory.getLogger(ConnectionUtilities.class); | ||
| private static String userAgent; | ||
|
|
||
| /** | ||
| * Returns an input stream that reads from the URL. | ||
| * While setting the underlying URLConnections User-Agent. | ||
| * | ||
| * @param urlString an absolute URL giving location of resource to read. | ||
| */ | ||
| public static InputStream getInputStream(String urlString) throws IOException { | ||
| URLConnection urlConn = new URL(urlString).openConnection(); | ||
| urlConn.setRequestProperty("User-Agent", getUserAgent()); | ||
| return urlConn.getInputStream(); | ||
| } | ||
|
|
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| private static String getUserAgent() { | ||
| if (userAgent == null) { | ||
| //mozilla 5.0 compat | ||
| userAgent = String.format("Mozilla/5.0 (%s; %s) %s/%s Java/%s", | ||
| getOS(), | ||
| getArch(), | ||
| Constants.ABOUT_TITLE.replaceAll("[^a-zA-Z]", ""), | ||
| Constants.VERSION.MAJOR_MINOR, | ||
| System.getProperty("java.vm.specification.version") | ||
| ); | ||
| log.debug("User agent string for URL requests: {}", userAgent); | ||
| } | ||
| return userAgent; | ||
| } | ||
|
|
||
| private static String getArch() { | ||
| String arch = System.getProperty("os.arch"); | ||
| arch = "amd64".equalsIgnoreCase(arch) ? "x86_64" : arch; | ||
| if (SystemUtilities.isWow64()) { | ||
| return "WOW64"; | ||
| } else if(SystemUtilities.isLinux()) { | ||
| return "Linux " + arch; | ||
| } | ||
| return arch; | ||
| } | ||
|
|
||
| private static String getOS() { | ||
| if (SystemUtilities.isWindows()) { | ||
| //assume NT | ||
| return String.format("Windows NT %s", System.getProperty("os.version")); | ||
| } else if(SystemUtilities.isMac()) { | ||
| return String.format("Macintosh; %s %s", System.getProperty("os.name"), System.getProperty("os.version").replace('.', '_')); | ||
| } else if(SystemUtilities.isLinux()) { | ||
| //detect display manager | ||
| String linuxOS = ""; | ||
| String[] parts = StringUtils.split(System.getProperty("awt.toolkit"), "."); | ||
| //assume sun.awt.X11.XToolKit namespace | ||
| if (!GraphicsEnvironment.isHeadless() && parts != null && parts.length > 2) { | ||
| linuxOS = parts[2]; | ||
| } | ||
| if (SystemUtilities.isUbuntu()) { | ||
| linuxOS += (linuxOS.isEmpty() ? "" : "; ") + "Ubuntu"; | ||
| } else if(SystemUtilities.isFedora()) { | ||
| linuxOS += (linuxOS.isEmpty()? "" : "; ") + "Fedora"; | ||
| } | ||
| return linuxOS; | ||
| } | ||
| return System.getProperty("os.name"); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package qz.utils; | ||
|
|
||
| import org.apache.commons.lang3.ArrayUtils; | ||
| import org.apache.commons.lang3.StringUtils; | ||
|
|
||
| public class SemVer { | ||
| public String MAJOR; | ||
| public String MINOR; | ||
| public String PATCH; | ||
| public String PRE; | ||
| public String FULL; | ||
| public String MAJOR_MINOR; | ||
|
|
||
| public SemVer(String version) { | ||
| String[] parts = StringUtils.split(version, "."); | ||
| String[] pre = StringUtils.split(version, "-"); | ||
| FULL = version; | ||
| MAJOR = parts.length > 0 ? parts[0] : ""; | ||
| MINOR = parts.length > 1 ? parts[1] : ""; | ||
| PATCH = parts.length > 2 ? parts[2] : ""; | ||
| PRE = pre.length > 1 ? pre[1] : StringUtils.join(ArrayUtils.subarray(parts, 3, parts.length - 1), "."); | ||
| MAJOR_MINOR = MAJOR + "." + MINOR; | ||
| } | ||
|
|
||
| @Override | ||
| public String toString() { | ||
| return FULL; | ||
| } | ||
|
|
||
| } |
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