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Throw exception when adding duplicate entry

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Adam Hathcock
2013-12-21 17:29:36 +00:00
parent c59e6a8c99
commit 865afbfbf0
2 changed files with 43 additions and 9 deletions
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11
SharpCompress.Test/Zip/ZipArchiveTests.cs
View File

@@ -201,6 +201,17 @@ namespace SharpCompress.Test
}
}
[TestMethod]
[ExpectedException(typeof(ArchiveException))]
public void Zip_Create_NoDups()
{
using (var arc = ZipArchive.Create())
{
arc.AddEntry("1.txt", new MemoryStream());
arc.AddEntry("\\1.txt", new MemoryStream());
}
}
[TestMethod]
public void Zip_Create_New()
{

41
SharpCompress/Archive/AbstractWritableArchive.cs
View File

@@ -67,29 +67,52 @@ namespace SharpCompress.Archive
}
}
public TEntry AddEntry(string filePath, Stream source,
public TEntry AddEntry(string key, Stream source,
long size = 0, DateTime? modified = null)
{
return AddEntry(filePath, source, false, size, modified);
return AddEntry(key, source, false, size, modified);
}
public TEntry AddEntry(string filePath, Stream source, bool closeStream,
public TEntry AddEntry(string key, Stream source, bool closeStream,
long size = 0, DateTime? modified = null)
{
var entry = CreateEntry(filePath, source, size, modified, closeStream);
if (key.StartsWith("/")
|| key.StartsWith("\\"))
{
key = key.Substring(1);
}
if (DoesKeyMatchExisting(key))
{
throw new ArchiveException("Cannot add entry with duplicate key: " + key);
}
var entry = CreateEntry(key, source, size, modified, closeStream);
newEntries.Add(entry);
RebuildModifiedCollection();
return entry;
}
private bool DoesKeyMatchExisting(string key)
{
foreach (var path in Entries.Select(x => x.FilePath))
{
var p = path.Replace('/','\\');
if (p.StartsWith("\\"))
{
p = p.Substring(1);
}
return string.Equals(p, key, StringComparison.OrdinalIgnoreCase);
}
return false;
}
#if !PORTABLE && !NETFX_CORE
public TEntry AddEntry(string filePath, FileInfo fileInfo)
public TEntry AddEntry(string key, FileInfo fileInfo)
{
if (!fileInfo.Exists)
{
throw new ArgumentException("FileInfo does not exist.");
}
return AddEntry(filePath, fileInfo.OpenRead(), true, fileInfo.Length, fileInfo.LastWriteTime);
return AddEntry(key, fileInfo.OpenRead(), true, fileInfo.Length, fileInfo.LastWriteTime);
}
#endif
@@ -100,7 +123,7 @@ namespace SharpCompress.Archive
SaveTo(stream, compressionType, OldEntries, newEntries);
}
protected TEntry CreateEntry(string filePath, Stream source, long size, DateTime? modified,
protected TEntry CreateEntry(string key, Stream source, long size, DateTime? modified,
bool closeStream)
{
if (!source.CanRead || !source.CanSeek)
@@ -109,10 +132,10 @@ namespace SharpCompress.Archive
}
//ensure new stream is at the start, this could be reset
source.Seek(0, SeekOrigin.Begin);
return CreateEntryInternal(filePath, source, size, modified, closeStream);
return CreateEntryInternal(key, source, size, modified, closeStream);
}
protected abstract TEntry CreateEntryInternal(string filePath, Stream source, long size, DateTime? modified,
protected abstract TEntry CreateEntryInternal(string key, Stream source, long size, DateTime? modified,
bool closeStream);
protected abstract void SaveTo(Stream stream, CompressionInfo compressionType,