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The maxPackSizeLimit, when set, will reject a pack if it exceeds that limit. This feature is intended to provide a mechanism to control disk space quota on Git repositories. Change-Id: I83d8db670875c395f8171461b402083323e623a5 CQ: 7896stable-3.3
Saša Živkov
11 years ago
5 changed files with 259 additions and 0 deletions
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/* |
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* Copyright (C) 2014, Sasa Zivkov <sasa.zivkov@sap.com>, SAP AG |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.errors; |
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import java.io.IOException; |
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import java.text.MessageFormat; |
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import org.eclipse.jgit.internal.JGitText; |
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/** |
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* Thrown when a pack exceeds a given size limit |
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* |
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* @since 3.3 |
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*/ |
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public class TooLargePackException extends IOException { |
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private static final long serialVersionUID = 1L; |
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/** |
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* Construct a too large pack exception. |
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* |
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* @param packSizeLimit |
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* the pack size limit (in bytes) that was exceeded |
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*/ |
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public TooLargePackException(long packSizeLimit) { |
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super(MessageFormat.format(JGitText.get().receivePackTooLarge, |
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Long.valueOf(packSizeLimit))); |
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} |
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} |
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/* |
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* Copyright (C) 2007 The Guava Authors |
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* Copyright (C) 2014, Sasa Zivkov <sasa.zivkov@sap.com>, SAP AG |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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|
* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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|
* products derived from this software without specific prior |
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|
* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.util.io; |
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import java.io.FilterInputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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/** |
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* Wraps a {@link InputStream}, limiting the number of bytes which can be |
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* read. |
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* |
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* This class was copied and modifed from the Google Guava 16.0. Differently from |
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* the original Guava code, when a caller tries to read from this stream past |
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* the given limit and the wrapped stream hasn't yet reached its EOF this class
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* will call the limitExceeded method instead of returning EOF. |
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* |
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* @since 3.3 |
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*/ |
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public abstract class LimitedInputStream extends FilterInputStream { |
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private long left; |
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/** Max number of bytes to be read from the wrapped stream */ |
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protected final long limit; |
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private long mark = -1; |
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/** |
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* Create a new LimitedInputStream |
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* |
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* @param in an InputStream |
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* @param limit max number of bytes to read from the InputStream |
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*/ |
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protected LimitedInputStream(InputStream in, long limit) { |
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super(in); |
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left = limit; |
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this.limit = limit; |
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} |
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@Override |
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public int available() throws IOException { |
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return (int) Math.min(in.available(), left); |
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} |
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// it's okay to mark even if mark isn't supported, as reset won't work
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@Override |
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public synchronized void mark(int readLimit) { |
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in.mark(readLimit); |
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mark = left; |
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} |
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@Override |
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public int read() throws IOException { |
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if (left == 0) { |
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if (in.available() == 0) |
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return -1; |
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else |
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limitExceeded(); |
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} |
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int result = in.read(); |
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if (result != -1) |
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--left; |
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return result; |
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} |
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@Override |
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public int read(byte[] b, int off, int len) throws IOException { |
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if (left == 0) { |
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if (in.available() == 0) |
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return -1; |
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else |
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limitExceeded(); |
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} |
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len = (int) Math.min(len, left); |
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int result = in.read(b, off, len); |
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if (result != -1) |
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left -= result; |
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return result; |
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} |
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@Override |
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public synchronized void reset() throws IOException { |
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if (!in.markSupported()) |
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throw new IOException("Mark not supported"); |
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if (mark == -1) |
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throw new IOException("Mark not set"); |
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in.reset(); |
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left = mark; |
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} |
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@Override |
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public long skip(long n) throws IOException { |
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n = Math.min(n, left); |
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long skipped = in.skip(n); |
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left -= skipped; |
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return skipped; |
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} |
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/** |
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* Called when trying to read past the given {@link #limit} and the wrapped |
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* InputStream {@link #in} hasn't yet reached its EOF |
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* |
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* @throws IOException |
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* subclasses can throw an IOException when the limit is exceeded. |
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* The throws IOException will be forwarded back to the caller of |
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* the read method which read the stream past the limit. |
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*/ |
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protected abstract void limitExceeded() throws IOException; |
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} |
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