githubFork/gitblit.git - Solinfo Gitblit

James Moger

2015-11-22 ed552ba47c02779c270ffd62841d6d1048dade70

commit \| author \| age
c6f3d0	1	/*
JM	2	* Copyright (c) 2013 by syntevo GmbH. All Rights Reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions are met:
	6	*
	7	* o Redistributions of source code must retain the above copyright notice,
	8	* this list of conditions and the following disclaimer.
	9	*
	10	* o Redistributions in binary form must reproduce the above copyright notice,
	11	* this list of conditions and the following disclaimer in the documentation
	12	* and/or other materials provided with the distribution.
	13	*
	14	* o Neither the name of syntevo GmbH nor the names of
	15	* its contributors may be used to endorse or promote products derived
	16	* from this software without specific prior written permission.
	17	*
	18	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	19	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	20	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	21	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	22	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	23	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	24	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	25	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	26	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	27	* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
	28	* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	29	*/
	30	package com.syntevo.bugtraq;
	31
f1f303	32	import java.io.File;
JM	33	import java.io.IOException;
	34	import java.util.ArrayList;
	35	import java.util.Collections;
	36	import java.util.HashSet;
	37	import java.util.List;
	38	import java.util.Set;
c6f3d0	39
f1f303	40	import org.eclipse.jgit.errors.ConfigInvalidException;
JM	41	import org.eclipse.jgit.lib.Config;
	42	import org.eclipse.jgit.lib.Constants;
	43	import org.eclipse.jgit.lib.FileMode;
	44	import org.eclipse.jgit.lib.ObjectId;
	45	import org.eclipse.jgit.lib.ObjectLoader;
	46	import org.eclipse.jgit.lib.Ref;
	47	import org.eclipse.jgit.lib.Repository;
	48	import org.eclipse.jgit.revwalk.RevCommit;
	49	import org.eclipse.jgit.revwalk.RevTree;
	50	import org.eclipse.jgit.revwalk.RevWalk;
	51	import org.eclipse.jgit.storage.file.FileBasedConfig;
	52	import org.eclipse.jgit.treewalk.TreeWalk;
	53	import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
	54	import org.jetbrains.annotations.NotNull;
	55	import org.jetbrains.annotations.Nullable;
c6f3d0	56
JM	57	public final class BugtraqConfig {
	58
	59	// Constants ==============================================================
	60
	61	private static final String DOT_GIT_BUGTRAQ = ".gitbugtraq";
206b4b	62	private static final String DOT_TGITCONFIG = ".tgitconfig";
c6f3d0	63
JM	64	private static final String BUGTRAQ = "bugtraq";
	65
	66	private static final String URL = "url";
	67	private static final String ENABLED = "enabled";
206b4b	68	private static final String LOG_REGEX = "logregex";
JM	69	private static final String LOG_FILTERREGEX = "logfilterregex";
	70	private static final String LOG_LINKREGEX = "loglinkregex";
	71	private static final String LOG_LINKTEXT = "loglinktext";
c6f3d0	72
JM	73	// Static =================================================================
	74
	75	@Nullable
	76	public static BugtraqConfig read(@NotNull Repository repository) throws IOException, ConfigInvalidException {
206b4b	77	Config baseConfig = getBaseConfig(repository, DOT_GIT_BUGTRAQ);
JM	78	if (baseConfig == null) {
	79	baseConfig = getBaseConfig(repository, DOT_TGITCONFIG);
	80	}
	81
c6f3d0	82	final Set<String> allNames = new HashSet<String>();
f1f303	83	final Config config;
JM	84	try {
	85	config = repository.getConfig();
	86	}
	87	catch (RuntimeException ex) {
	88	final Throwable cause = ex.getCause();
	89	if (cause instanceof IOException) {
	90	throw (IOException)cause;
	91	}
	92	throw ex;
	93	}
206b4b	94	if (getString(null, URL, config, baseConfig) != null) {
JM	95	allNames.add(null);
	96	}
	97	else {
	98	allNames.addAll(config.getSubsections(BUGTRAQ));
	99	if (baseConfig != null) {
	100	allNames.addAll(baseConfig.getSubsections(BUGTRAQ));
	101	}
c6f3d0	102	}
JM	103
	104	final List<BugtraqEntry> entries = new ArrayList<BugtraqEntry>();
	105	for (String name : allNames) {
	106	final String url = getString(name, URL, config, baseConfig);
206b4b	107	if (url == null) {
JM	108	continue;
	109	}
	110
c6f3d0	111	final String enabled = getString(name, ENABLED, config, baseConfig);
JM	112	if (enabled != null && !"true".equals(enabled)) {
	113	continue;
	114	}
	115
206b4b	116	String idRegex = getString(name, LOG_REGEX, config, baseConfig);
JM	117	if (idRegex == null) {
c6f3d0	118	return null;
JM	119	}
	120
206b4b	121	String filterRegex = getString(name, LOG_FILTERREGEX, config, baseConfig);
JM	122	final String linkRegex = getString(name, LOG_LINKREGEX, config, baseConfig);
	123	if (filterRegex == null && linkRegex == null) {
	124	final String[] split = idRegex.split("\n", Integer.MAX_VALUE);
	125	if (split.length == 2) {
	126	// Compatibility with TortoiseGit
	127	filterRegex = split[0];
	128	idRegex = split[1];
c6f3d0	129	}
206b4b	130	else {
JM	131	// Backwards compatibility with specification version < 0.3
	132	final List<String> logIdRegexs = new ArrayList<String>();
	133	for (int index = 1; index < Integer.MAX_VALUE; index++) {
	134	final String logIdRegexN = getString(name, LOG_REGEX + index, config, baseConfig);
	135	if (logIdRegexN == null) {
	136	break;
	137	}
c6f3d0	138
206b4b	139	logIdRegexs.add(logIdRegexN);
JM	140	}
	141
	142	if (logIdRegexs.size() > 1) {
	143	throw new ConfigInvalidException("More than three " + LOG_REGEX + " entries found. This is not supported anymore since bugtraq version 0.3, use " + LOG_FILTERREGEX + " and " + LOG_LINKREGEX + " instead.");
	144	}
	145	else if (logIdRegexs.size() == 1) {
	146	filterRegex = idRegex;
	147	idRegex = logIdRegexs.get(0);
	148	}
	149	}
c6f3d0	150	}
JM	151
206b4b	152	final String linkText = getString(name, LOG_LINKTEXT, config, baseConfig);
JM	153	entries.add(new BugtraqEntry(url, idRegex, linkRegex, filterRegex, linkText));
c6f3d0	154	}
JM	155
	156	if (entries.isEmpty()) {
	157	return null;
	158	}
	159
	160	return new BugtraqConfig(entries);
	161	}
	162
	163	// Fields =================================================================
	164
	165	@NotNull
	166	private final List<BugtraqEntry> entries;
	167
	168	// Setup ==================================================================
	169
	170	BugtraqConfig(@NotNull List<BugtraqEntry> entries) {
	171	this.entries = entries;
	172	}
	173
	174	// Accessing ==============================================================
	175
	176	@NotNull
	177	public List<BugtraqEntry> getEntries() {
	178	return Collections.unmodifiableList(entries);
	179	}
	180
	181	// Utils ==================================================================
	182
	183	@Nullable
206b4b	184	private static Config getBaseConfig(@NotNull Repository repository, @NotNull String configFileName) throws IOException, ConfigInvalidException {
c6f3d0	185	final Config baseConfig;
JM	186	if (repository.isBare()) {
	187	// read bugtraq config directly from the repository
	188	String content = null;
	189	RevWalk rw = new RevWalk(repository);
	190	TreeWalk tw = new TreeWalk(repository);
206b4b	191	tw.setFilter(PathFilterGroup.createFromStrings(configFileName));
c6f3d0	192	try {
f1f303	193	final Ref ref = repository.getRef(Constants.HEAD);
JM	194	if (ref == null) {
	195	return null;
	196	}
	197
	198	ObjectId headId = ref.getTarget().getObjectId();
	199	if (headId == null \|\| ObjectId.zeroId().equals(headId)) {
	200	return null;
	201	}
c6f3d0	202	RevCommit commit = rw.parseCommit(headId);
JM	203	RevTree tree = commit.getTree();
	204	tw.reset(tree);
	205	while (tw.next()) {
	206	ObjectId entid = tw.getObjectId(0);
	207	FileMode entmode = tw.getFileMode(0);
5842db	208	if (FileMode.REGULAR_FILE == entmode) {
JM	209	ObjectLoader ldr = repository.open(entid, Constants.OBJ_BLOB);
	210	content = new String(ldr.getCachedBytes(), commit.getEncoding());
	211	break;
c6f3d0	212	}
JM	213	}
206b4b	214	}
JM	215	finally {
c6f3d0	216	rw.dispose();
a1cee6	217	tw.close();
c6f3d0	218	}
JM	219
	220	if (content == null) {
	221	// config not found
	222	baseConfig = null;
	223	}
5842db	224	else {
JM	225	// parse the config
	226	Config config = new Config();
	227	config.fromText(content);
	228	baseConfig = config;
	229	}
	230	}
	231	else {
c6f3d0	232	// read bugtraq config from work tree
206b4b	233	final File baseFile = new File(repository.getWorkTree(), configFileName);
c6f3d0	234	if (baseFile.isFile()) {
JM	235	FileBasedConfig fileConfig = new FileBasedConfig(baseFile, repository.getFS());
	236	fileConfig.load();
	237	baseConfig = fileConfig;
	238	}
	239	else {
	240	baseConfig = null;
	241	}
	242	}
	243	return baseConfig;
	244	}
	245
	246	@Nullable
206b4b	247	private static String getString(@Nullable String subsection, @NotNull String key, @NotNull Config config, @Nullable Config baseConfig) {
c6f3d0	248	final String value = config.getString(BUGTRAQ, subsection, key);
JM	249	if (value != null) {
	250	return trimMaybeNull(value);
	251	}
	252
	253	if (baseConfig != null) {
	254	return trimMaybeNull(baseConfig.getString(BUGTRAQ, subsection, key));
	255	}
	256
206b4b	257	return value;
JM	258	}
c6f3d0	259
JM	260	@Nullable
	261	private static String trimMaybeNull(@Nullable String string) {
	262	if (string == null) {
	263	return null;
	264	}
	265
	266	string = string.trim();
	267	if (string.length() == 0) {
	268	return null;
	269	}
	270
	271	return string;
	272	}
	273	}