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/*
* Copyright (C) 2008-2009, Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - 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.
*
* - Neither the name of the Eclipse Foundation, Inc. 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 org.eclipse.jgit.transport;
import static org.eclipse.jgit.util.StringUtils.equalsIgnoreCase;
import static org.eclipse.jgit.util.StringUtils.toLowerCase;
import java.io.File;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jgit.annotations.Nullable;
import org.eclipse.jgit.internal.storage.file.LazyObjectIdSetFile;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.Config.SectionParser;
import org.eclipse.jgit.lib.ObjectChecker;
import org.eclipse.jgit.lib.ObjectIdSet;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.util.SystemReader;
/**
* The standard "transfer", "fetch", "receive", and "uploadpack" configuration
* parameters.
*/
public class TransferConfig {
private static final String FSCK = "fsck"; //$NON-NLS-1$
/** Key for {@link Config#get(SectionParser)}. */
public static final Config.SectionParser<TransferConfig> KEY = new SectionParser<TransferConfig>() {
public TransferConfig parse(final Config cfg) {
return new TransferConfig(cfg);
}
};
enum FsckMode {
ERROR, WARN, IGNORE;
}
private final boolean fetchFsck;
private final boolean receiveFsck;
private final String fsckSkipList;
private final EnumSet<ObjectChecker.ErrorType> ignore;
private final boolean allowInvalidPersonIdent;
private final boolean safeForWindows;
private final boolean safeForMacOS;
private final boolean allowTipSha1InWant;
private final boolean allowReachableSha1InWant;
final String[] hideRefs;
TransferConfig(final Repository db) {
this(db.getConfig());
}
TransferConfig(final Config rc) {
boolean fsck = rc.getBoolean("transfer", "fsckobjects", false); //$NON-NLS-1$ //$NON-NLS-2$
fetchFsck = rc.getBoolean("fetch", "fsckobjects", fsck); //$NON-NLS-1$ //$NON-NLS-2$
receiveFsck = rc.getBoolean("receive", "fsckobjects", fsck); //$NON-NLS-1$ //$NON-NLS-2$
fsckSkipList = rc.getString(FSCK, null, "skipList"); //$NON-NLS-1$
allowInvalidPersonIdent = rc.getBoolean(FSCK, "allowInvalidPersonIdent", false); //$NON-NLS-1$
safeForWindows = rc.getBoolean(FSCK, "safeForWindows", //$NON-NLS-1$
SystemReader.getInstance().isWindows());
safeForMacOS = rc.getBoolean(FSCK, "safeForMacOS", //$NON-NLS-1$
SystemReader.getInstance().isMacOS());
ignore = EnumSet.noneOf(ObjectChecker.ErrorType.class);
EnumSet<ObjectChecker.ErrorType> set = EnumSet
.noneOf(ObjectChecker.ErrorType.class);
for (String key : rc.getNames(FSCK)) {
if (equalsIgnoreCase(key, "skipList") //$NON-NLS-1$
|| equalsIgnoreCase(key, "allowLeadingZeroFileMode") //$NON-NLS-1$
|| equalsIgnoreCase(key, "allowInvalidPersonIdent") //$NON-NLS-1$
|| equalsIgnoreCase(key, "safeForWindows") //$NON-NLS-1$
|| equalsIgnoreCase(key, "safeForMacOS")) { //$NON-NLS-1$
continue;
}
ObjectChecker.ErrorType id = FsckKeyNameHolder.parse(key);
if (id != null) {
switch (rc.getEnum(FSCK, null, key, FsckMode.ERROR)) {
case ERROR:
ignore.remove(id);
break;
case WARN:
case IGNORE:
ignore.add(id);
break;
}
set.add(id);
}
}
if (!set.contains(ObjectChecker.ErrorType.ZERO_PADDED_FILEMODE)
&& rc.getBoolean(FSCK, "allowLeadingZeroFileMode", false)) { //$NON-NLS-1$
ignore.add(ObjectChecker.ErrorType.ZERO_PADDED_FILEMODE);
}
allowTipSha1InWant = rc.getBoolean(
"uploadpack", "allowtipsha1inwant", false); //$NON-NLS-1$ //$NON-NLS-2$
allowReachableSha1InWant = rc.getBoolean(
"uploadpack", "allowreachablesha1inwant", false); //$NON-NLS-1$ //$NON-NLS-2$
hideRefs = rc.getStringList("uploadpack", null, "hiderefs"); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* @return checker to verify fetched objects, or null if checking is not
* enabled in the repository configuration.
* @since 3.6
*/
@Nullable
public ObjectChecker newObjectChecker() {
return newObjectChecker(fetchFsck);
}
/**
* @return checker to verify objects pushed into this repository, or null if
* checking is not enabled in the repository configuration.
* @since 4.2
*/
@Nullable
public ObjectChecker newReceiveObjectChecker() {
return newObjectChecker(receiveFsck);
}
private ObjectChecker newObjectChecker(boolean check) {
if (!check) {
return null;
}
return new ObjectChecker()
.setIgnore(ignore)
.setAllowInvalidPersonIdent(allowInvalidPersonIdent)
.setSafeForWindows(safeForWindows)
.setSafeForMacOS(safeForMacOS)
.setSkipList(skipList());
}
private ObjectIdSet skipList() {
if (fsckSkipList != null && !fsckSkipList.isEmpty()) {
return new LazyObjectIdSetFile(new File(fsckSkipList));
}
return null;
}
/**
* @return allow clients to request non-advertised tip SHA-1s?
* @since 3.1
*/
public boolean isAllowTipSha1InWant() {
return allowTipSha1InWant;
}
/**
* @return allow clients to request non-tip SHA-1s?
* @since 4.1
*/
public boolean isAllowReachableSha1InWant() {
return allowReachableSha1InWant;
}
/**
* @return {@link RefFilter} respecting configured hidden refs.
* @since 3.1
*/
public RefFilter getRefFilter() {
if (hideRefs.length == 0)
return RefFilter.DEFAULT;
return new RefFilter() {
public Map<String, Ref> filter(Map<String, Ref> refs) {
Map<String, Ref> result = new HashMap<String, Ref>();
for (Map.Entry<String, Ref> e : refs.entrySet()) {
boolean add = true;
for (String hide : hideRefs) {
if (e.getKey().equals(hide) || prefixMatch(hide, e.getKey())) {
add = false;
break;
}
}
if (add)
result.put(e.getKey(), e.getValue());
}
return result;
}
private boolean prefixMatch(String p, String s) {
return p.charAt(p.length() - 1) == '/' && s.startsWith(p);
}
};
}
static class FsckKeyNameHolder {
private static final Map<String, ObjectChecker.ErrorType> errors;
static {
errors = new HashMap<>();
for (ObjectChecker.ErrorType m : ObjectChecker.ErrorType.values()) {
errors.put(keyNameFor(m.name()), m);
}
}
@Nullable
static ObjectChecker.ErrorType parse(String key) {
return errors.get(toLowerCase(key));
}
private static String keyNameFor(String name) {
StringBuilder r = new StringBuilder(name.length());
for (int i = 0; i < name.length(); i++) {
char c = name.charAt(i);
if (c != '_') {
r.append(c);
}
}
return toLowerCase(r.toString());
}
private FsckKeyNameHolder() {
}
}
}
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