Upgrade google-http-client to eliminate deprecated usage

jib-core/build.gradle

@@ -16,6 +16,8 @@ group 'com.google.cloud.tools'
 sourceCompatibility = JavaVersion.VERSION_1_8
 targetCompatibility = JavaVersion.VERSION_1_8
 compileJava.options.encoding = 'UTF-8'
+compileJava.options.compilerArgs += [ '-Xlint:deprecation' ]
+compileTestJava.options.compilerArgs += [ '-Xlint:deprecation' ]
 
 repositories {
   mavenCentral()
@@ -35,7 +37,8 @@ configurations {
 
 dependencies {
   // Make sure these are consistent with jib-maven-plugin.
-  implementation 'com.google.http-client:google-http-client:1.27.0'
+  implementation 'com.google.http-client:google-http-client:1.31.0'
+  implementation 'com.google.http-client:google-http-client-apache-v2:1.31.0'
   implementation 'org.apache.commons:commons-compress:1.18'
   implementation 'com.google.guava:guava:27.0.1-jre'
   implementation 'com.fasterxml.jackson.core:jackson-databind:2.9.9.1'

jib-core/src/main/java/com/google/cloud/tools/jib/http/Connection.java

@@ -22,7 +22,8 @@
 import com.google.api.client.http.HttpRequestFactory;
 import com.google.api.client.http.HttpResponse;
 import com.google.api.client.http.HttpTransport;
-import com.google.api.client.http.apache.ApacheHttpTransport;
+import com.google.api.client.http.apache.v2.ApacheHttpTransport;
+import com.google.api.client.util.SslUtils;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
 import java.io.Closeable;
@@ -31,9 +32,8 @@
 import java.security.GeneralSecurityException;
 import java.util.function.Function;
 import javax.annotation.Nullable;
-import org.apache.http.auth.AuthScope;
-import org.apache.http.auth.UsernamePasswordCredentials;
-import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.conn.ssl.NoopHostnameVerifier;
+import org.apache.http.impl.client.HttpClientBuilder;
 
 /**
  * Sends an HTTP {@link Request} and stores the {@link Response}. Clients should not send more than
@@ -56,17 +56,12 @@ public class Connection implements Closeable {
    * @return {@link Connection} factory, a function that generates a {@link Connection} to a URL
    */
   public static Function<URL, Connection> getConnectionFactory() {
-    /*
-     * Do not use {@link NetHttpTransport}. It does not process response errors properly. A new
-     * {@link ApacheHttpTransport} needs to be created for each connection because otherwise HTTP
-     * connection persistence causes the connection to throw {@link NoHttpResponseException}.
-     *
-     * @see <a
-     *     href="https://github.com/google/google-http-java-client/issues/39">https://github.com/google/google-http-java-client/issues/39</a>
-     */
-    ApacheHttpTransport transport = new ApacheHttpTransport();
-    addProxyCredentials(transport);
-    return url -> new Connection(url, transport);
+    // Do not use NetHttpTransport. It does not process response errors properly.
+    // See https://github.com/google/google-http-java-client/issues/39
+    //
+    // A new ApacheHttpTransport needs to be created for each connection because otherwise HTTP
+    // connection persistence causes the connection to throw NoHttpResponseException.
+    return url -> new Connection(url, new ApacheHttpTransport());
   }
 
   /**
@@ -77,44 +72,14 @@ public static Function<URL, Connection> getConnectionFactory() {
    */
   public static Function<URL, Connection> getInsecureConnectionFactory()
       throws GeneralSecurityException {
-    // Do not use {@link NetHttpTransport}. See {@link getConnectionFactory} for details.
-    ApacheHttpTransport transport =
-        new ApacheHttpTransport.Builder().doNotValidateCertificate().build();
-    addProxyCredentials(transport);
-    return url -> new Connection(url, transport);
-  }
-
-  /**
-   * Registers proxy credentials onto transport client, in order to deal with proxies that require
-   * basic authentication.
-   *
-   * @param transport Apache HTTP transport
-   */
-  @VisibleForTesting
-  static void addProxyCredentials(ApacheHttpTransport transport) {
-    addProxyCredentials(transport, "https");
-    addProxyCredentials(transport, "http");
-  }
-
-  private static void addProxyCredentials(ApacheHttpTransport transport, String protocol) {
-    Preconditions.checkArgument(protocol.equals("http") || protocol.equals("https"));
-
-    String proxyHost = System.getProperty(protocol + ".proxyHost");
-    String proxyUser = System.getProperty(protocol + ".proxyUser");
-    String proxyPassword = System.getProperty(protocol + ".proxyPassword");
-    if (proxyHost == null || proxyUser == null || proxyPassword == null) {
-      return;
-    }
-
-    String defaultProxyPort = protocol.equals("http") ? "80" : "443";
-    int proxyPort = Integer.parseInt(System.getProperty(protocol + ".proxyPort", defaultProxyPort));
-
-    DefaultHttpClient httpClient = (DefaultHttpClient) transport.getHttpClient();
-    httpClient
-        .getCredentialsProvider()
-        .setCredentials(
-            new AuthScope(proxyHost, proxyPort),
-            new UsernamePasswordCredentials(proxyUser, proxyPassword));
+    HttpClientBuilder httpClientBuilder =
+        ApacheHttpTransport.newDefaultHttpClientBuilder()
+            .setSSLSocketFactory(null) // creates new factory with the SSLContext given below
+            .setSSLContext(SslUtils.trustAllSSLContext())
+            .setSSLHostnameVerifier(new NoopHostnameVerifier());
+
+    // Do not use NetHttpTransport. See comments in getConnectionFactory for details.
+    return url -> new Connection(url, new ApacheHttpTransport(httpClientBuilder.build()));
   }
 
   private HttpRequestFactory requestFactory;

jib-core/src/test/java/com/google/cloud/tools/jib/http/MockConnection.java

@@ -17,7 +17,7 @@
 package com.google.cloud.tools.jib.http;
 
 import com.google.api.client.http.GenericUrl;
-import com.google.api.client.http.apache.ApacheHttpTransport;
+import com.google.api.client.http.apache.v2.ApacheHttpTransport;
 import java.io.IOException;
 import java.util.function.BiFunction;
 

jib-gradle-plugin/build.gradle

@@ -61,7 +61,8 @@ configurations {
 
 dependencies {
   // These are copied over from jib-core and are necessary for the jib-core sourcesets.
-  compile 'com.google.http-client:google-http-client:1.27.0'
+  compile 'com.google.http-client:google-http-client:1.31.0'
+  compile 'com.google.http-client:google-http-client-apache-v2:1.31.0'
   compile 'org.apache.commons:commons-compress:1.18'
   compile 'com.google.guava:guava:27.0.1-jre'
   compile 'com.fasterxml.jackson.core:jackson-databind:2.9.9.1'

jib-maven-plugin/pom.xml

@@ -53,7 +53,13 @@
     <dependency>
       <groupId>com.google.http-client</groupId>
       <artifactId>google-http-client</artifactId>
-      <version>1.27.0</version>
+      <version>1.31.0</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.http-client</groupId>
+      <artifactId>google-http-client-apache-v2</artifactId>
+      <version>1.31.0</version>
       <scope>compile</scope>
     </dependency>
     <dependency>

jib-plugins-common/build.gradle

@@ -29,7 +29,8 @@ sourceSets {
 
 dependencies {
   // Make sure these are consistent with jib-maven-plugin.
-  compile 'com.google.http-client:google-http-client:1.27.0'
+  compile 'com.google.http-client:google-http-client:1.31.0'
+  compile 'com.google.http-client:google-http-client-apache-v2:1.31.0'
   compile 'org.apache.commons:commons-compress:1.18'
   compile 'com.google.guava:guava:27.0.1-jre'
   compile 'com.fasterxml.jackson.core:jackson-databind:2.9.9.1'