/*
|
* Copyright (c) 2013 by syntevo GmbH. All Rights Reserved.
|
*
|
* Redistribution and use in source and binary forms, with or without
|
* modification, are permitted provided that the following conditions are met:
|
*
|
* o Redistributions of source code must retain the above copyright notice,
|
* this list of conditions and the following disclaimer.
|
*
|
* o Redistributions in binary form must reproduce the above copyright notice,
|
* this list of conditions and the following disclaimer in the documentation
|
* and/or other materials provided with the distribution.
|
*
|
* o Neither the name of syntevo GmbH nor the names of
|
* its contributors may be used to endorse or promote products derived
|
* from this software without specific prior written permission.
|
*
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
*/
|
package com.syntevo.bugtraq;
|
|
import java.io.ByteArrayOutputStream;
|
import java.io.File;
|
import java.io.IOException;
|
import java.io.InputStream;
|
import java.util.ArrayList;
|
import java.util.Collections;
|
import java.util.HashSet;
|
import java.util.List;
|
import java.util.Set;
|
|
import org.eclipse.jgit.errors.ConfigInvalidException;
|
import org.eclipse.jgit.lib.Config;
|
import org.eclipse.jgit.lib.Constants;
|
import org.eclipse.jgit.lib.FileMode;
|
import org.eclipse.jgit.lib.ObjectId;
|
import org.eclipse.jgit.lib.ObjectLoader;
|
import org.eclipse.jgit.lib.Repository;
|
import org.eclipse.jgit.lib.StoredConfig;
|
import org.eclipse.jgit.revwalk.RevCommit;
|
import org.eclipse.jgit.revwalk.RevObject;
|
import org.eclipse.jgit.revwalk.RevTree;
|
import org.eclipse.jgit.revwalk.RevWalk;
|
import org.eclipse.jgit.storage.file.FileBasedConfig;
|
import org.eclipse.jgit.treewalk.TreeWalk;
|
import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
|
import org.jetbrains.annotations.NotNull;
|
import org.jetbrains.annotations.Nullable;
|
|
public final class BugtraqConfig {
|
|
// Constants ==============================================================
|
|
private static final String DOT_GIT_BUGTRAQ = ".gitbugtraq";
|
|
private static final String BUGTRAQ = "bugtraq";
|
|
private static final String URL = "url";
|
private static final String ENABLED = "enabled";
|
private static final String LOG_REGEX = "logRegex";
|
|
// Static =================================================================
|
|
@Nullable
|
public static BugtraqConfig read(@NotNull Repository repository) throws IOException, ConfigInvalidException {
|
final Config baseConfig = getBaseConfig(repository);
|
final Set<String> allNames = new HashSet<String>();
|
final Config config = repository.getConfig();
|
allNames.addAll(config.getSubsections(BUGTRAQ));
|
if (baseConfig != null) {
|
allNames.addAll(baseConfig.getSubsections(BUGTRAQ));
|
}
|
|
final List<BugtraqEntry> entries = new ArrayList<BugtraqEntry>();
|
for (String name : allNames) {
|
final String url = getString(name, URL, config, baseConfig);
|
final String enabled = getString(name, ENABLED, config, baseConfig);
|
if (enabled != null && !"true".equals(enabled)) {
|
continue;
|
}
|
|
final String logIdRegex = getString(name, LOG_REGEX, config, baseConfig);
|
if (url == null || logIdRegex == null) {
|
return null;
|
}
|
|
final List<String> logIdRegexs = new ArrayList<String>();
|
logIdRegexs.add(logIdRegex);
|
|
for (int index = 1; index < Integer.MAX_VALUE; index++) {
|
final String logIdRegexN = getString(name, LOG_REGEX + index, config, baseConfig);
|
if (logIdRegexN == null) {
|
break;
|
}
|
|
logIdRegexs.add(logIdRegexN);
|
}
|
|
entries.add(new BugtraqEntry(url, logIdRegexs));
|
}
|
|
if (entries.isEmpty()) {
|
return null;
|
}
|
|
return new BugtraqConfig(entries);
|
}
|
|
// Fields =================================================================
|
|
@NotNull
|
private final List<BugtraqEntry> entries;
|
|
// Setup ==================================================================
|
|
BugtraqConfig(@NotNull List<BugtraqEntry> entries) {
|
this.entries = entries;
|
}
|
|
// Accessing ==============================================================
|
|
@NotNull
|
public List<BugtraqEntry> getEntries() {
|
return Collections.unmodifiableList(entries);
|
}
|
|
// Utils ==================================================================
|
|
@Nullable
|
private static Config getBaseConfig(Repository repository) throws IOException, ConfigInvalidException {
|
final Config baseConfig;
|
if (repository.isBare()) {
|
// read bugtraq config directly from the repository
|
String content = null;
|
String head = repository.getFullBranch();
|
RevWalk rw = new RevWalk(repository);
|
TreeWalk tw = new TreeWalk(repository);
|
tw.setFilter(PathFilterGroup.createFromStrings(DOT_GIT_BUGTRAQ));
|
try {
|
ObjectId headId = repository.resolve(head);
|
RevCommit commit = rw.parseCommit(headId);
|
RevTree tree = commit.getTree();
|
tw.reset(tree);
|
while (tw.next()) {
|
if (tw.isSubtree()) {
|
tw.enterSubtree();
|
continue;
|
}
|
ObjectId entid = tw.getObjectId(0);
|
FileMode entmode = tw.getFileMode(0);
|
if (entmode == FileMode.REGULAR_FILE) {
|
RevObject ro = rw.lookupAny(entid, entmode.getObjectType());
|
rw.parseBody(ro);
|
ByteArrayOutputStream os = new ByteArrayOutputStream();
|
ObjectLoader ldr = repository.open(ro.getId(), Constants.OBJ_BLOB);
|
byte[] tmp = new byte[4096];
|
InputStream in = ldr.openStream();
|
int n;
|
while ((n = in.read(tmp)) > 0) {
|
os.write(tmp, 0, n);
|
}
|
in.close();
|
content = new String(os.toByteArray(), commit.getEncoding());
|
}
|
}
|
} finally {
|
rw.dispose();
|
tw.release();
|
}
|
|
if (content == null) {
|
// config not found
|
baseConfig = null;
|
} else {
|
// parse the config
|
Config cfg = new Config();
|
cfg.fromText(content);
|
baseConfig = new StoredConfig(cfg) {
|
@Override
|
public void save() throws IOException {
|
}
|
|
@Override
|
public void load() throws IOException, ConfigInvalidException {
|
}
|
};
|
}
|
} else {
|
// read bugtraq config from work tree
|
final File baseFile = new File(repository.getWorkTree(), DOT_GIT_BUGTRAQ);
|
if (baseFile.isFile()) {
|
FileBasedConfig fileConfig = new FileBasedConfig(baseFile, repository.getFS());
|
fileConfig.load();
|
baseConfig = fileConfig;
|
}
|
else {
|
baseConfig = null;
|
}
|
}
|
return baseConfig;
|
}
|
|
@Nullable
|
private static String getString(@NotNull String subsection, @NotNull String key, @NotNull Config config, @Nullable Config baseConfig) {
|
final String value = config.getString(BUGTRAQ, subsection, key);
|
if (value != null) {
|
return trimMaybeNull(value);
|
}
|
|
if (baseConfig != null) {
|
return trimMaybeNull(baseConfig.getString(BUGTRAQ, subsection, key));
|
}
|
|
return value;
|
}
|
|
@Nullable
|
private static String trimMaybeNull(@Nullable String string) {
|
if (string == null) {
|
return null;
|
}
|
|
string = string.trim();
|
if (string.length() == 0) {
|
return null;
|
}
|
|
return string;
|
}
|
}
|
