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/*
* This file is part of Arduino.
*
* Copyright 2019 Arduino LLC (http://www.arduino.cc/)
*
* Arduino is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As a special exception, you may use this file as part of a free software
* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
* the GNU General Public License. This exception does not however
* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*/
package cc.arduino.utils.network;
import cc.arduino.net.CustomProxySelector;
import org.apache.commons.codec.binary.Base64;
import processing.app.BaseNoGui;
import processing.app.PreferencesData;
import javax.script.ScriptException;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.Proxy;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.UUID;
import java.util.function.Consumer;
public class HttpConnectionManager {
private static final String userAgent;
private static final int connectTimeout;
private static final int maxRedirectNumber;
private final URL requestURL;
private final String id;
static {
final String defaultUserAgent = String.format(
"ArduinoIDE/%s (%s; %s; %s; %s) Java/%s (%s)",
BaseNoGui.VERSION_NAME,
System.getProperty("os.name"),
System.getProperty("os.version"),
System.getProperty("os.arch"),
System.getProperty("user.language"),
System.getProperty("java.version"),
System.getProperty("java.vendor")
);
userAgent = PreferencesData.get("http.user_agent", defaultUserAgent);
int connectTimeoutFromConfig = 5000;
try {
connectTimeoutFromConfig = PreferencesData.getInteger("http.connection_timeout_ms", 5000);
} catch (NumberFormatException e) {
System.err.println("Error parsing http.connection_timeout_ms config: " + e.getMessage());
}
connectTimeout = connectTimeoutFromConfig;
// Set by default 20 max redirect to follow
int maxRedirectNumberConfig = 20;
try {
maxRedirectNumberConfig = PreferencesData.getInteger("http.max_redirect_number", 20);
} catch (NumberFormatException e) {
System.err.println("Error parsing http.max_redirect_number config: " + e.getMessage());
}
maxRedirectNumber = maxRedirectNumberConfig;
}
public HttpConnectionManager(URL requestURL) {
this.requestURL = requestURL;
if (requestURL.getHost().endsWith("arduino.cc")) {
final String idString = PreferencesData.get("update.id", "0");
id = Long.toString(Long.parseLong(idString));
} else {
id = null;
}
}
public HttpURLConnection makeConnection(Consumer<HttpURLConnection> beforeConnection)
throws IOException, NoSuchMethodException, ScriptException, URISyntaxException {
return makeConnection(this.requestURL, 0, beforeConnection);
}
public HttpURLConnection makeConnection()
throws IOException, NoSuchMethodException, ScriptException, URISyntaxException {
return makeConnection(this.requestURL, 0, (c) -> {
});
}
private HttpURLConnection makeConnection(URL requestURL, int movedTimes,
Consumer<HttpURLConnection> beforeConnection) throws IOException, URISyntaxException, ScriptException, NoSuchMethodException {
if (movedTimes > maxRedirectNumber) {
throw new IOException("Too many redirect " + requestURL);
}
Proxy proxy = new CustomProxySelector(PreferencesData.getMap()).getProxyFor(requestURL.toURI());
final String requestId = UUID.randomUUID().toString().toUpperCase().replace("-", "").substring(0, 16);
HttpURLConnection connection = (HttpURLConnection) requestURL.openConnection(proxy);
// see https://github.com/arduino/Arduino/issues/10264
// Workaround for https://bugs.openjdk.java.net/browse/JDK-8163921
connection.setRequestProperty("Accept", "*/*");
connection.setRequestProperty("User-agent", userAgent);
connection.setRequestProperty("X-Request-ID", requestId);
if (id != null) {
connection.setRequestProperty("X-ID", id);
}
if (requestURL.getUserInfo() != null) {
String auth = "Basic " + new String(
new Base64().encode(requestURL.getUserInfo().getBytes()));
connection.setRequestProperty("Authorization", auth);
}
int initialSize = 0;
connection.setRequestProperty("Range", "bytes=" + initialSize + "-");
connection.setConnectTimeout(connectTimeout);
beforeConnection.accept(connection);
// Connect
connection.connect();
int resp = connection.getResponseCode();
if (resp == HttpURLConnection.HTTP_MOVED_PERM || resp == HttpURLConnection.HTTP_MOVED_TEMP) {
URL newUrl = new URL(connection.getHeaderField("Location"));
return this.makeConnection(newUrl, movedTimes + 1, beforeConnection);
}
return connection;
}
}
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