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/*
* Copyright 2013 gitblit.com.
*
* 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 com.gitblit.utils;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.Repository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.IStoredSettings;
import com.gitblit.Keys;
import com.gitblit.models.RepositoryModel;
import com.syntevo.bugtraq.BugtraqConfig;
import com.syntevo.bugtraq.BugtraqFormatter;
import com.syntevo.bugtraq.BugtraqFormatter.OutputHandler;
public class BugtraqProcessor {
private final Logger logger = LoggerFactory.getLogger(getClass());
private final IStoredSettings settings;
public BugtraqProcessor(IStoredSettings settings) {
this.settings = settings;
}
/**
* Returns an html version of the commit message with any global or
* repository-specific regular expression substitution applied.
*
* This method uses the preferred renderer to transform the commit message.
*
* @param repository
* @param model
* @param text
* @return html version of the commit message
*/
public String processCommitMessage(Repository repository, RepositoryModel model, String text) {
switch (model.commitMessageRenderer) {
case MARKDOWN:
try {
String prepared = processTextRegex(repository, model.name, text);
return MarkdownUtils.transformMarkdown(prepared);
} catch (Exception e) {
logger.error("Failed to render commit message as markdown", e);
}
break;
default:
// noop
break;
}
return processPlainCommitMessage(repository, model.name, text);
}
/**
* Returns an html version of the commit message with any global or
* repository-specific regular expression substitution applied.
*
* This method assumes the commit message is plain text.
*
* @param repository
* @param repositoryName
* @param text
* @return html version of the commit message
*/
public String processPlainCommitMessage(Repository repository, String repositoryName, String text) {
String html = StringUtils.escapeForHtml(text, false);
html = processTextRegex(repository, repositoryName, html);
return StringUtils.breakLinesForHtml(html);
}
/**
* Returns an processed version of the text with any global or
* repository-specific regular expression substitution applied.
*
* @param repository
* @param repositoryName
* @param text
* @return processed version of the text
*/
public String processText(Repository repository, String repositoryName, String text) {
String html = processTextRegex(repository, repositoryName, text);
return html;
}
/**
* Apply globally or per-repository specified regex substitutions to the
* text.
*
* @param repository
* @param repositoryName
* @param text
* @return the processed text
*/
protected String processTextRegex(Repository repository, String repositoryName, String text) {
Map<String, String> map = new HashMap<String, String>();
// global regex keys
if (settings.getBoolean(Keys.regex.global, false)) {
for (String key : settings.getAllKeys(Keys.regex.global)) {
if (!key.equals(Keys.regex.global)) {
String subKey = key.substring(key.lastIndexOf('.') + 1);
map.put(subKey, settings.getString(key, ""));
}
}
}
// repository-specific regex keys
List<String> keys = settings.getAllKeys(Keys.regex._ROOT + "."
+ repositoryName.toLowerCase());
for (String key : keys) {
String subKey = key.substring(key.lastIndexOf('.') + 1);
map.put(subKey, settings.getString(key, ""));
}
for (Entry<String, String> entry : map.entrySet()) {
String definition = entry.getValue().trim();
String[] chunks = definition.split("!!!");
if (chunks.length == 2) {
text = text.replaceAll(chunks[0], chunks[1]);
} else {
logger.warn(entry.getKey()
+ " improperly formatted. Use !!! to separate match from replacement: "
+ definition);
}
}
try {
// parse bugtraq repo config
BugtraqConfig config = BugtraqConfig.read(repository);
if (config != null) {
BugtraqFormatter formatter = new BugtraqFormatter(config);
StringBuilder sb = new StringBuilder();
formatter.formatLogMessage(text, new BugtraqOutputHandler(sb));
text = sb.toString();
}
} catch (IOException e) {
logger.error(MessageFormat.format("Bugtraq config for {0} is invalid!", repositoryName), e);
} catch (ConfigInvalidException e) {
logger.error(MessageFormat.format("Bugtraq config for {0} is invalid!", repositoryName), e);
}
return text;
}
private class BugtraqOutputHandler implements OutputHandler {
final StringBuilder sb;
BugtraqOutputHandler(StringBuilder sb) {
this.sb = sb;
}
@Override
public void appendText(String text) {
sb.append(text);
}
@Override
public void appendLink(String name, String target) {
sb.append(MessageFormat.format("<a class=\"bugtraq\" href=\"{1}\" target=\"_blank\">{0}</a>", name, target));
}
}
}
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