Rewrite our build as modular maven components

This refactoring splits the code up into different components, with
their own per-component CLASSPATH.  By moving all of our classes
into isolated components we can better isolate the classpaths and
try to avoid unexpected dependency problems.  It also allows us to
more clearly define which components are used by the GWT UI and
thus must be compiled under GWT, and which components are run on
the server and can therefore use more of the J2SE API.

Change-Id: I833cc22bacc5655d1c9099ed7c2b0e0a5b08855a
Signed-off-by: Shawn O. Pearce <sop@google.com>

7 files changed, 602 insertions, 0 deletions

diff --git a/gerrit-patch-commonsnet/.gitignore b/gerrit-patch-commonsnet/.gitignore
new file mode 100644
index 0000000000..903c6c80f5
--- /dev/null
+++ b/gerrit-patch-commonsnet/.gitignore
@@ -0,0 +1,4 @@
+/target
+/.classpath
+/.project
+/.settings/org.maven.ide.eclipse.prefs
diff --git a/gerrit-patch-commonsnet/.settings/org.eclipse.core.resources.prefs b/gerrit-patch-commonsnet/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000000..82eb859e3b
--- /dev/null
+++ b/gerrit-patch-commonsnet/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,3 @@
+#Tue Sep 02 16:59:24 PDT 2008
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/gerrit-patch-commonsnet/.settings/org.eclipse.core.runtime.prefs b/gerrit-patch-commonsnet/.settings/org.eclipse.core.runtime.prefs
new file mode 100644
index 0000000000..8667cfd4a3
--- /dev/null
+++ b/gerrit-patch-commonsnet/.settings/org.eclipse.core.runtime.prefs
@@ -0,0 +1,3 @@
+#Tue Sep 02 16:59:24 PDT 2008
+eclipse.preferences.version=1
+line.separator=\n
diff --git a/gerrit-patch-commonsnet/.settings/org.eclipse.jdt.core.prefs b/gerrit-patch-commonsnet/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000000..04afc7fac5
--- /dev/null
+++ b/gerrit-patch-commonsnet/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,268 @@
+#Tue May 12 17:44:13 PDT 2009
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+org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=true
+org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.lineSplit=80
+org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
+org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=3
+org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=false
+org.eclipse.jdt.core.formatter.tabulation.char=space
+org.eclipse.jdt.core.formatter.tabulation.size=2
+org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
+org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
diff --git a/gerrit-patch-commonsnet/.settings/org.eclipse.jdt.ui.prefs b/gerrit-patch-commonsnet/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000000..d4218a5fc0
--- /dev/null
+++ b/gerrit-patch-commonsnet/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,61 @@
+#Wed Jul 29 11:31:38 PDT 2009
+eclipse.preferences.version=1
+editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
+formatter_profile=_Google Format
+formatter_settings_version=11
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=com.google;com;junit;net;org;java;javax;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=99
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates/>
+sp_cleanup.add_default_serial_version_id=true
+sp_cleanup.add_generated_serial_version_id=false
+sp_cleanup.add_missing_annotations=false
+sp_cleanup.add_missing_deprecated_annotations=true
+sp_cleanup.add_missing_methods=false
+sp_cleanup.add_missing_nls_tags=false
+sp_cleanup.add_missing_override_annotations=true
+sp_cleanup.add_serial_version_id=false
+sp_cleanup.always_use_blocks=true
+sp_cleanup.always_use_parentheses_in_expressions=false
+sp_cleanup.always_use_this_for_non_static_field_access=false
+sp_cleanup.always_use_this_for_non_static_method_access=false
+sp_cleanup.convert_to_enhanced_for_loop=false
+sp_cleanup.correct_indentation=false
+sp_cleanup.format_source_code=false
+sp_cleanup.format_source_code_changes_only=false
+sp_cleanup.make_local_variable_final=true
+sp_cleanup.make_parameters_final=true
+sp_cleanup.make_private_fields_final=true
+sp_cleanup.make_type_abstract_if_missing_method=false
+sp_cleanup.make_variable_declarations_final=false
+sp_cleanup.never_use_blocks=false
+sp_cleanup.never_use_parentheses_in_expressions=true
+sp_cleanup.on_save_use_additional_actions=true
+sp_cleanup.organize_imports=false
+sp_cleanup.qualify_static_field_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
+sp_cleanup.remove_private_constructors=true
+sp_cleanup.remove_trailing_whitespaces=true
+sp_cleanup.remove_trailing_whitespaces_all=true
+sp_cleanup.remove_trailing_whitespaces_ignore_empty=false
+sp_cleanup.remove_unnecessary_casts=false
+sp_cleanup.remove_unnecessary_nls_tags=false
+sp_cleanup.remove_unused_imports=false
+sp_cleanup.remove_unused_local_variables=false
+sp_cleanup.remove_unused_private_fields=true
+sp_cleanup.remove_unused_private_members=false
+sp_cleanup.remove_unused_private_methods=true
+sp_cleanup.remove_unused_private_types=true
+sp_cleanup.sort_members=false
+sp_cleanup.sort_members_all=false
+sp_cleanup.use_blocks=false
+sp_cleanup.use_blocks_only_for_return_and_throw=false
+sp_cleanup.use_parentheses_in_expressions=false
+sp_cleanup.use_this_for_non_static_field_access=false
+sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=true
+sp_cleanup.use_this_for_non_static_method_access=false
+sp_cleanup.use_this_for_non_static_method_access_only_if_necessary=true
diff --git a/gerrit-patch-commonsnet/pom.xml b/gerrit-patch-commonsnet/pom.xml
new file mode 100644
index 0000000000..c9e08aeee3
--- /dev/null
+++ b/gerrit-patch-commonsnet/pom.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (C) 2009 The Android Open Source Project
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>com.google.gerrit</groupId>
+    <artifactId>gerrit-parent</artifactId>
+    <version>2.0.25-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>gerrit-patch-commonsnet</artifactId>
+  <name>Gerrit Code Review - Patch commons-net</name>
+
+  <description>
+    Hacks to expose package-private data from commons-net to Gerrit
+  </description>
+
+  <dependencies>
+    <dependency>
+      <groupId>commons-net</groupId>
+      <artifactId>commons-net</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>commons-codec</groupId>
+      <artifactId>commons-codec</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>com.google.gerrit</groupId>
+      <artifactId>gerrit-util-ssl</artifactId>
+    </dependency>
+  </dependencies>
+</project>
diff --git a/gerrit-patch-commonsnet/src/main/java/org/apache/commons/net/smtp/AuthSMTPClient.java b/gerrit-patch-commonsnet/src/main/java/org/apache/commons/net/smtp/AuthSMTPClient.java
new file mode 100644
index 0000000000..e380df431e
--- /dev/null
+++ b/gerrit-patch-commonsnet/src/main/java/org/apache/commons/net/smtp/AuthSMTPClient.java
@@ -0,0 +1,207 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.apache.commons.net.smtp;
+
+import com.google.gerrit.util.ssl.BlindSSLSocketFactory;
+
+import org.apache.commons.codec.binary.Base64;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.SocketException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import javax.net.ssl.SSLSocketFactory;
+
+public class AuthSMTPClient extends SMTPClient {
+  private static final Logger log = LoggerFactory.getLogger(AuthSMTPClient.class);
+  private static final String UTF_8 = "UTF-8";
+
+  private String authTypes;
+  private Set<String> allowedRcptTo;
+
+  public AuthSMTPClient(final String charset) {
+    super(charset);
+  }
+
+  public void enableSSL(final boolean verify) {
+    _socketFactory_ = sslFactory(verify);
+  }
+
+  public boolean startTLS(final String hostname, final int port, final boolean verify)
+      throws SocketException, IOException {
+    if (sendCommand("STARTTLS") != 220) {
+      return false;
+    }
+
+    _socket_ = sslFactory(verify).createSocket(_socket_, hostname, port, true);
+    _connectAction_();
+    return true;
+  }
+
+  private static SSLSocketFactory sslFactory(final boolean verify) {
+    if (verify) {
+      return (SSLSocketFactory) SSLSocketFactory.getDefault();
+    } else {
+      return (SSLSocketFactory) BlindSSLSocketFactory.getDefault();
+    }
+  }
+
+  public void setAllowRcpt(final String[] allowed) {
+    if (allowed != null && allowed.length > 0) {
+      if (allowedRcptTo == null) {
+        allowedRcptTo = new HashSet<String>();
+      }
+      for (final String addr : allowed) {
+        allowedRcptTo.add(addr);
+      }
+    }
+  }
+
+  @Override
+  public int rcpt(final String forwardPath) throws IOException {
+    if (allowRcpt(forwardPath)) {
+      return super.rcpt(forwardPath);
+    } else {
+      log.warn("Not emailing " + forwardPath + " (prohibited by allowrcpt)");
+      return SMTPReply.ACTION_OK;
+    }
+  }
+
+  private boolean allowRcpt(String addr) {
+    if (allowedRcptTo == null) {
+      return true;
+    }
+    if (addr.startsWith("<") && addr.endsWith(">")) {
+      addr = addr.substring(1, addr.length() - 1);
+    }
+    if (allowedRcptTo.contains(addr)) {
+      return true;
+    }
+    final int at = addr.indexOf('@');
+    if (at > 0) {
+      return allowedRcptTo.contains(addr.substring(at))
+          || allowedRcptTo.contains(addr.substring(at + 1));
+    }
+    return false;
+  }
+
+  @Override
+  public String[] getReplyStrings() {
+    return _replyLines.toArray(new String[_replyLines.size()]);
+  }
+
+  @Override
+  public boolean login() throws IOException {
+    final String name = getLocalAddress().getHostName();
+    if (name == null) {
+      return false;
+    }
+
+    boolean ok = SMTPReply.isPositiveCompletion(sendCommand("EHLO", name));
+    authTypes = "";
+    for (String line : getReplyStrings()) {
+      if (line != null && (line.startsWith("250 AUTH ") || line.startsWith("250-AUTH "))) {
+        authTypes = line;
+        break;
+      }
+    }
+
+    return ok;
+  }
+
+  public boolean auth(String smtpUser, String smtpPass) throws IOException {
+    List<String> types = Arrays.asList(authTypes.split(" "));
+    if ("".equals(authTypes)) {
+      // Server didn't advertise authentication support.
+      //
+      return true;
+    }
+
+    if (smtpPass == null) {
+      smtpPass = "";
+    }
+    if (types.contains("CRAM-SHA1")) {
+      return authCram(smtpUser, smtpPass, "SHA1");
+    }
+    if (types.contains("CRAM-MD5")) {
+      return authCram(smtpUser, smtpPass, "MD5");
+    }
+    if (types.contains("PLAIN")) {
+      return authPlain(smtpUser, smtpPass);
+    }
+
+    throw new IOException("Unsupported AUTH: " + authTypes);
+  }
+
+  private boolean authCram(String smtpUser, String smtpPass, String alg)
+      throws UnsupportedEncodingException, IOException {
+    final String macName = "Hmac" + alg;
+    if (sendCommand("AUTH", "CRAM-" + alg) != 334) {
+      return false;
+    }
+
+    final String enc = getReplyStrings()[0].split(" ", 2)[1];
+    final byte[] nonce = Base64.decodeBase64(enc.getBytes(UTF_8));
+    final String sec;
+    try {
+      Mac mac = Mac.getInstance(macName);
+      mac.init(new SecretKeySpec(smtpPass.getBytes(UTF_8), macName));
+      sec = toHex(mac.doFinal(nonce));
+    } catch (NoSuchAlgorithmException e) {
+      throw new IOException("Cannot use CRAM-" + alg, e);
+    } catch (InvalidKeyException e) {
+      throw new IOException("Cannot use CRAM-" + alg, e);
+    }
+
+    String token = smtpUser + ' ' + sec;
+    String cmd = encodeBase64(token.getBytes(UTF_8));
+    return SMTPReply.isPositiveCompletion(sendCommand(cmd));
+  }
+
+  private static final char[] hexchar =
+      {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+
+  private String toHex(final byte[] b) {
+    final StringBuilder sec = new StringBuilder();
+    for (int i = 0; i < b.length; i++) {
+      final int u = (b[i] >> 4) & 0xf;
+      final int l = b[i] & 0xf;
+      sec.append(hexchar[u]);
+      sec.append(hexchar[l]);
+    }
+    return sec.toString();
+  }
+
+  private boolean authPlain(String smtpUser, String smtpPass) throws UnsupportedEncodingException,
+      IOException {
+    String token = '\0' + smtpUser + '\0' + smtpPass;
+    String cmd = "PLAIN " + encodeBase64(token.getBytes(UTF_8));
+    return SMTPReply.isPositiveCompletion(sendCommand("AUTH", cmd));
+  }
+
+  private static String encodeBase64(final byte[] data) throws UnsupportedEncodingException {
+    return new String(Base64.encodeBase64(data), UTF_8);
+  }
+}