/// <summary>
/// Saves the ZipFile instance to a self-extracting zip archive, using
/// the specified save options.
/// </summary>
///
/// <remarks>
/// <para>
/// This method saves a self extracting archive, using the specified save
/// options. These options include the flavor of the SFX, the default extract
/// directory, the icon file, and so on. See the documentation
/// for <see cref="SaveSelfExtractor(string , SelfExtractorFlavor)"/> for more
/// details.
/// </para>
///
/// <para>
/// The user who runs the SFX will have the opportunity to change the extract
/// directory before extracting. If at the time of extraction, the specified
/// directory does not exist, the SFX will create the directory before
/// extracting the files.
/// </para>
///
/// </remarks>
///
/// <example>
/// This example saves a WinForms-based self-extracting archive EXE that
/// will use c:\ExtractHere as the default extract location. The C# code
/// shows syntax for .NET 3.0, which uses an object initializer for
/// the SelfExtractorOptions object.
/// <code>
/// string DirectoryPath = "c:\\Documents\\Project7";
/// using (ZipFile zip = new ZipFile())
/// {
/// zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath));
/// zip.Comment = "This will be embedded into a self-extracting WinForms-based exe";
/// var options = new SelfExtractorOptions
/// {
/// Flavor = SelfExtractorFlavor.WinFormsApplication,
/// DefaultExtractDirectory = "%USERPROFILE%\\ExtractHere",
/// PostExtractCommandLine = ExeToRunAfterExtract,
/// SfxExeWindowTitle = "My Custom Window Title",
/// RemoveUnpackedFilesAfterExecute = true
/// };
/// zip.SaveSelfExtractor("archive.exe", options);
/// }
/// </code>
/// <code lang="VB">
/// Dim DirectoryPath As String = "c:\Documents\Project7"
/// Using zip As New ZipFile()
/// zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath))
/// zip.Comment = "This will be embedded into a self-extracting console-based exe"
/// Dim options As New SelfExtractorOptions()
/// options.Flavor = SelfExtractorFlavor.WinFormsApplication
/// options.DefaultExtractDirectory = "%USERPROFILE%\\ExtractHere"
/// options.PostExtractCommandLine = ExeToRunAfterExtract
/// options.SfxExeWindowTitle = "My Custom Window Title"
/// options.RemoveUnpackedFilesAfterExecute = True
/// zip.SaveSelfExtractor("archive.exe", options)
/// End Using
/// </code>
/// </example>
///
/// <param name="exeToGenerate">The name of the EXE to generate.</param>
/// <param name="options">provides the options for creating the
/// Self-extracting archive.</param>
public void SaveSelfExtractor(string exeToGenerate, SelfExtractorSaveOptions options)
{
// Save an SFX that is both an EXE and a ZIP.
// Check for the case where we are re-saving a zip archive
// that was originally instantiated with a stream. In that case,
// the _name will be null. If so, we set _writestream to null,
// which insures that we'll cons up a new WriteStream (with a filesystem
// file backing it) in the Save() method.
if (_name == null)
{
_writestream = null;
}
_SavingSfx = true;
_name = exeToGenerate;
if (Directory.Exists(_name))
{
throw new ZipException("Bad Directory", new System.ArgumentException("That name specifies an existing directory. Please specify a filename.", "exeToGenerate"));
}
_contentsChanged = true;
_fileAlreadyExists = File.Exists(_name);
_SaveSfxStub(exeToGenerate, options);
Save();
_SavingSfx = false;
}
//string _defaultExtractLocation;
//string _postExtractCmdLine;
// string _SetDefaultLocationCode =
// "namespace Chama.Utils.Ionic.Zip { public partial class WinFormsSelfExtractorStub { partial void _SetDefaultExtractLocation() {" +
// " txtExtractDirectory.Text = \"@@VALUE\"; } }}";
/// <summary>
/// Saves the ZipFile instance to a self-extracting zip archive.
/// </summary>
///
/// <remarks>
///
/// <para>
/// The generated exe image will execute on any machine that has the .NET
/// Framework 2.0 installed on it. The generated exe image is also a
/// valid ZIP file, readable with DotNetZip or another Zip library or tool
/// such as WinZip.
/// </para>
///
/// <para>
/// There are two "flavors" of self-extracting archive. The
/// <c>WinFormsApplication</c> version will pop up a GUI and allow the
/// user to select a target directory into which to extract. There's also
/// a checkbox allowing the user to specify to overwrite existing files,
/// and another checkbox to allow the user to request that Explorer be
/// opened to see the extracted files after extraction. The other flavor
/// is <c>ConsoleApplication</c>. A self-extractor generated with that
/// flavor setting will run from the command line. It accepts command-line
/// options to set the overwrite behavior, and to specify the target
/// extraction directory.
/// </para>
///
/// <para>
/// There are a few temporary files created during the saving to a
/// self-extracting zip. These files are created in the directory pointed
/// to by <see cref="ZipFile.TempFileFolder"/>, which defaults to <see
/// cref="System.IO.Path.GetTempPath"/>. These temporary files are
/// removed upon successful completion of this method.
/// </para>
///
/// <para>
/// When a user runs the WinForms SFX, the user's personal directory (<see
/// cref="Environment.SpecialFolder.Personal">Environment.SpecialFolder.Personal</see>)
/// will be used as the default extract location. If you want to set the
/// default extract location, you should use the other overload of
/// <c>SaveSelfExtractor()</c>/ The user who runs the SFX will have the
/// opportunity to change the extract directory before extracting. When
/// the user runs the Command-Line SFX, the user must explicitly specify
/// the directory to which to extract. The .NET Framework 2.0 is required
/// on the computer when the self-extracting archive is run.
/// </para>
///
/// <para>
/// NB: This method is not available in the version of DotNetZip build for
/// the .NET Compact Framework, nor in the "Reduced" DotNetZip library.
/// </para>
///
/// </remarks>
///
/// <example>
/// <code>
/// string DirectoryPath = "c:\\Documents\\Project7";
/// using (ZipFile zip = new ZipFile())
/// {
/// zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath));
/// zip.Comment = "This will be embedded into a self-extracting console-based exe";
/// zip.SaveSelfExtractor("archive.exe", SelfExtractorFlavor.ConsoleApplication);
/// }
/// </code>
/// <code lang="VB">
/// Dim DirectoryPath As String = "c:\Documents\Project7"
/// Using zip As New ZipFile()
/// zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath))
/// zip.Comment = "This will be embedded into a self-extracting console-based exe"
/// zip.SaveSelfExtractor("archive.exe", SelfExtractorFlavor.ConsoleApplication)
/// End Using
/// </code>
/// </example>
///
/// <param name="exeToGenerate">
/// a pathname, possibly fully qualified, to be created. Typically it
/// will end in an .exe extension.</param>
/// <param name="flavor">
/// Indicates whether a Winforms or Console self-extractor is
/// desired. </param>
public void SaveSelfExtractor(string exeToGenerate, SelfExtractorFlavor flavor)
{
SelfExtractorSaveOptions options = new SelfExtractorSaveOptions();
options.Flavor = flavor;
SaveSelfExtractor(exeToGenerate, options);
}
private void _SaveSfxStub(string exeToGenerate, SelfExtractorSaveOptions options)
{
string nameOfIconFile = null;
string stubExe = null;
string unpackedResourceDir = null;
string tmpDir = null;
try
{
if (File.Exists(exeToGenerate))
{
if (Verbose)
{
StatusMessageTextWriter.WriteLine("The existing file ({0}) will be overwritten.", exeToGenerate);
}
}
if (!exeToGenerate.EndsWith(".exe"))
{
if (Verbose)
{
StatusMessageTextWriter.WriteLine("Warning: The generated self-extracting file will not have an .exe extension.");
}
}
// workitem 10553
tmpDir = TempFileFolder ?? Path.GetDirectoryName(exeToGenerate);
stubExe = GenerateTempPathname(tmpDir, "exe");
// get the Chama.Utils.Ionic.Zip assembly
Assembly a1 = typeof(ZipFile).Assembly;
using (var csharp = new Microsoft.CSharp.CSharpCodeProvider())
{
// The following is a perfect opportunity for a linq query, but
// I cannot use it. The generated SFX needs to run on .NET 2.0,
// and using LINQ would break that. Here's what it would look
// like:
//
// var settings = (from x in SettingsList
// where x.Flavor == flavor
// select x).First();
ExtractorSettings settings = null;
foreach (var x in SettingsList)
{
if (x.Flavor == options.Flavor)
{
settings = x;
break;
}
}
// sanity check; should never happen
if (settings == null)
{
throw new BadStateException(String.Format("While saving a Self-Extracting Zip, Cannot find that flavor ({0})?", options.Flavor));
}
// This is the list of referenced assemblies. Chama.Utils.Ionic.Zip is
// needed here. Also if it is the winforms (gui) extractor, we
// need other referenced assemblies, like
// System.Windows.Forms.dll, etc.
var cp = new System.CodeDom.Compiler.CompilerParameters();
cp.ReferencedAssemblies.Add(a1.Location);
if (settings.ReferencedAssemblies != null)
{
foreach (string ra in settings.ReferencedAssemblies)
{
cp.ReferencedAssemblies.Add(ra);
}
}
cp.GenerateInMemory = false;
cp.GenerateExecutable = true;
cp.IncludeDebugInformation = false;
cp.CompilerOptions = "";
Assembly a2 = Assembly.GetExecutingAssembly();
// Use this to concatenate all the source code resources into a
// single module.
var sb = new System.Text.StringBuilder();
// In case there are compiler errors later, we allocate a source
// file name now. If errors are detected, we'll spool the source
// code as well as the errors (in comments) into that filename,
// and throw an exception with the filename. Makes it easier to
// diagnose. This should be rare; most errors happen only
// during devlpmt of DotNetZip itself, but there are rare
// occasions when they occur in other cases.
string sourceFile = GenerateTempPathname(tmpDir, "cs");
// // debugging: enumerate the resources in this assembly
// Console.WriteLine("Resources in this assembly:");
// foreach (string rsrc in a2.GetManifestResourceNames())
// {
// Console.WriteLine(rsrc);
// }
// Console.WriteLine();
// all the source code is embedded in the DLL as a zip file.
using (ZipFile zip = ZipFile.Read(a2.GetManifestResourceStream("Chama.Utils.Ionic.Zip.Resources.ZippedResources.zip")))
{
// // debugging: enumerate the files in the embedded zip
// Console.WriteLine("Entries in the embbedded zip:");
// foreach (ZipEntry entry in zip)
// {
// Console.WriteLine(entry.FileName);
// }
// Console.WriteLine();
unpackedResourceDir = GenerateTempPathname(tmpDir, "tmp");
if (String.IsNullOrEmpty(options.IconFile))
{
// Use the ico file that is embedded into the Chama.Utils.Ionic.Zip
// DLL itself. To do this we must unpack the icon to
// the filesystem, in order to specify it on the cmdline
// of csc.exe. This method will remove the unpacked
// file later.
System.IO.Directory.CreateDirectory(unpackedResourceDir);
ZipEntry e = zip["zippedFile.ico"];
// Must not extract a readonly file - it will be impossible to
// delete later.
if ((e.Attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
e.Attributes ^= FileAttributes.ReadOnly;
}
e.Extract(unpackedResourceDir);
nameOfIconFile = Path.Combine(unpackedResourceDir, "zippedFile.ico");
cp.CompilerOptions += String.Format("/win32icon:\"{0}\"", nameOfIconFile);
}
else
{
cp.CompilerOptions += String.Format("/win32icon:\"{0}\"", options.IconFile);
}
cp.OutputAssembly = stubExe;
if (options.Flavor == SelfExtractorFlavor.WinFormsApplication)
{
cp.CompilerOptions += " /target:winexe";
}
if (!String.IsNullOrEmpty(options.AdditionalCompilerSwitches))
{
cp.CompilerOptions += " " + options.AdditionalCompilerSwitches;
}
if (String.IsNullOrEmpty(cp.CompilerOptions))
{
cp.CompilerOptions = null;
}
if ((settings.CopyThroughResources != null) && (settings.CopyThroughResources.Count != 0))
{
if (!Directory.Exists(unpackedResourceDir))
{
System.IO.Directory.CreateDirectory(unpackedResourceDir);
}
foreach (string re in settings.CopyThroughResources)
{
string filename = Path.Combine(unpackedResourceDir, re);
ExtractResourceToFile(a2, re, filename);
// add the file into the target assembly as an embedded resource
cp.EmbeddedResources.Add(filename);
}
}
// add the Chama.Utils.Ionic.Utils.Zip DLL as an embedded resource
cp.EmbeddedResources.Add(a1.Location);
// file header
sb.Append("// " + Path.GetFileName(sourceFile) + "\n")
.Append("// --------------------------------------------\n//\n")
.Append("// This SFX source file was generated by DotNetZip ")
.Append(ZipFile.LibraryVersion.ToString())
.Append("\n// at ")
.Append(System.DateTime.Now.ToString("yyyy MMMM dd HH:mm:ss"))
.Append("\n//\n// --------------------------------------------\n\n\n");
// assembly attributes
if (!String.IsNullOrEmpty(options.Description))
{
sb.Append("[assembly: System.Reflection.AssemblyTitle(\""
+ options.Description.Replace("\"", "")
+ "\")]\n");
}
else
{
sb.Append("[assembly: System.Reflection.AssemblyTitle(\"DotNetZip SFX Archive\")]\n");
}
if (!String.IsNullOrEmpty(options.ProductVersion))
{
sb.Append("[assembly: System.Reflection.AssemblyInformationalVersion(\""
+ options.ProductVersion.Replace("\"", "")
+ "\")]\n");
}
// workitem
string copyright =
(String.IsNullOrEmpty(options.Copyright))
? "Extractor: Copyright ?Dino Chiesa 2008-2011"
: options.Copyright.Replace("\"", "");
if (!String.IsNullOrEmpty(options.ProductName))
{
sb.Append("[assembly: System.Reflection.AssemblyProduct(\"")
.Append(options.ProductName.Replace("\"", ""))
.Append("\")]\n");
}
else
{
sb.Append("[assembly: System.Reflection.AssemblyProduct(\"DotNetZip\")]\n");
}
sb.Append("[assembly: System.Reflection.AssemblyCopyright(\"" + copyright + "\")]\n")
.Append(String.Format("[assembly: System.Reflection.AssemblyVersion(\"{0}\")]\n", ZipFile.LibraryVersion.ToString()));
if (options.FileVersion != null)
{
sb.Append(String.Format("[assembly: System.Reflection.AssemblyFileVersion(\"{0}\")]\n",
options.FileVersion.ToString()));
}
sb.Append("\n\n\n");
// Set the default extract location if it is available
string extractLoc = options.DefaultExtractDirectory;
if (extractLoc != null)
{
// remove double-quotes and replace slash with double-slash.
// This, because the value is going to be embedded into a
// cs file as a quoted string, and it needs to be escaped.
extractLoc = extractLoc.Replace("\"", "").Replace("\\", "\\\\");
}
string postExCmdLine = options.PostExtractCommandLine;
if (postExCmdLine != null)
{
postExCmdLine = postExCmdLine.Replace("\\", "\\\\");
postExCmdLine = postExCmdLine.Replace("\"", "\\\"");
}
foreach (string rc in settings.ResourcesToCompile)
{
using (Stream s = zip[rc].OpenReader())
{
if (s == null)
{
throw new ZipException(String.Format("missing resource '{0}'", rc));
}
using (StreamReader sr = new StreamReader(s))
{
while (sr.Peek() >= 0)
{
string line = sr.ReadLine();
if (extractLoc != null)
{
line = line.Replace("@@EXTRACTLOCATION", extractLoc);
}
line = line.Replace("@@REMOVE_AFTER_EXECUTE", options.RemoveUnpackedFilesAfterExecute.ToString());
line = line.Replace("@@QUIET", options.Quiet.ToString());
if (!String.IsNullOrEmpty(options.SfxExeWindowTitle))
{
line = line.Replace("@@SFX_EXE_WINDOW_TITLE", options.SfxExeWindowTitle);
}
line = line.Replace("@@EXTRACT_EXISTING_FILE", ((int)options.ExtractExistingFile).ToString());
if (postExCmdLine != null)
{
line = line.Replace("@@POST_UNPACK_CMD_LINE", postExCmdLine);
}
sb.Append(line).Append("\n");
}
}
sb.Append("\n\n");
}
}
}
string LiteralSource = sb.ToString();
#if DEBUGSFX
// for debugging only
string sourceModule = GenerateTempPathname(tmpDir, "cs");
using (StreamWriter sw = File.CreateText(sourceModule))
{
sw.Write(LiteralSource);
}
Console.WriteLine("source: {0}", sourceModule);
#endif
var cr = csharp.CompileAssemblyFromSource(cp, LiteralSource);
if (cr == null)
{
throw new SfxGenerationException("Cannot compile the extraction logic!");
}
if (Verbose)
{
foreach (string output in cr.Output)
{
StatusMessageTextWriter.WriteLine(output);
}
}
if (cr.Errors.Count != 0)
{
using (TextWriter tw = new StreamWriter(sourceFile))
{
// first, the source we compiled
tw.Write(LiteralSource);
// now, append the compile errors
tw.Write("\n\n\n// ------------------------------------------------------------------\n");
tw.Write("// Errors during compilation: \n//\n");
string p = Path.GetFileName(sourceFile);
foreach (System.CodeDom.Compiler.CompilerError error in cr.Errors)
{
tw.Write(String.Format("// {0}({1},{2}): {3} {4}: {5}\n//\n",
p, // 0
error.Line, // 1
error.Column, // 2
error.IsWarning ? "Warning" : "error", // 3
error.ErrorNumber, // 4
error.ErrorText)); // 5
}
}
throw new SfxGenerationException(String.Format("Errors compiling the extraction logic! {0}", sourceFile));
}
OnSaveEvent(ZipProgressEventType.Saving_AfterCompileSelfExtractor);
// Now, copy the resulting EXE image to the _writestream.
// Because this stub exe is being saved first, the effect will be to
// concatenate the exe and the zip data together.
using (System.IO.Stream input = System.IO.File.OpenRead(stubExe))
{
byte[] buffer = new byte[4000];
int n = 1;
while (n != 0)
{
n = input.Read(buffer, 0, buffer.Length);
if (n != 0)
{
WriteStream.Write(buffer, 0, n);
}
}
}
}
OnSaveEvent(ZipProgressEventType.Saving_AfterSaveTempArchive);
}
finally
{
try
{
if (Directory.Exists(unpackedResourceDir))
{
try { Directory.Delete(unpackedResourceDir, true); }
catch (System.IO.IOException exc1)
{
StatusMessageTextWriter.WriteLine("Warning: Exception: {0}", exc1);
}
}
if (File.Exists(stubExe))
{
try { File.Delete(stubExe); }
catch (System.IO.IOException exc1)
{
StatusMessageTextWriter.WriteLine("Warning: Exception: {0}", exc1);
}
}
}
catch (System.IO.IOException) { }
}
return;
}