private static Script genDownload(ScriptContext context, List<string> filteredArgs)
{
Script script;
script = createEmptyScript(context,"xsharper //download");
script.Id = "download";
filteredArgs.AddRange(context.GetStringArray(xs.download));
script.Usage.Options = UsageOptions.IfHelp | UsageOptions.IfNoArguments | UsageOptions.UsageLine | UsageOptions.AutoSuffix;
script.Parameters.Add(new CommandLineParameter("uri", CommandLineValueCount.Single, null, null) { Required = true, Value = "Source URL" });
script.Parameters.Add(new CommandLineParameter("file", CommandLineValueCount.Single, ".",null) { Value = "Destination file or directory" });
script.Parameters.Add(new CommandLineParameter(null, "cache", CommandLineValueCount.Single, Utils.LowercaseFirstLetter(RequestCacheLevel.Default.ToString()), null) { Description = "cache-level", Value = "Cache level, one of "+Utils.AllEnumValuesToString(typeof(RequestCacheLevel)," / ") });
script.Parameters.Add(new CommandLineParameter("passive", "activeFtp", CommandLineValueCount.None, true, false) { Value = "Use active FTP" });
script.Parameters.Add(new CommandLineParameter("userAgent","userAgent", CommandLineValueCount.Single, null,null) { Value = "User agent string (http://)" });
script.Parameters.Add(new CommandLineParameter("post", "post", CommandLineValueCount.Single, null, null) { Value = "HTTP Post string (evaluated as XSharper expression)"});
script.Parameters.Add(new CommandLineParameter("postContentType", "postContentType", CommandLineValueCount.Single, null, null) { Value = "HTTP Post content type (default is application/x-www-form-urlencoded)" });
script.Parameters.Add(new CommandLineParameter("timeout", "timeout", CommandLineValueCount.Single, null, null) { Value = "Timeout" });
script.Parameters.Add(new CommandLineParameter("ignoreCertificateErrors", "ignoreCertificateErrors", CommandLineValueCount.None, true, false) { Value = "Ignore SSL certificate errors " });
script.Add(new Set("oldReceived", "0"));
script.Add(new SetAttr("d","cacheLevel","${cache}"));
script.Add(new SetAttr("d", "passiveFtp", "${passive}"));
script.Add(new Set("fn", "${=XS.Download.UrlToLocalFilename($uri,$file)}",TransformRules.Expand));
script.Add(new Print { Value = "Downloading ${=XS.Utils.SecureUri($uri)} => ${fn} ... "});
If ifs1 = new If() { IsTrue = "${ignoreCertificateErrors}"};
ifs1.Add(new Code("System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };") { Dynamic = true });
script.Add(ifs1);
Download d = new Download
{
Id = "d",
From="${uri}",
To = "${file}",
UserAgent = "${userAgent|=null}",
Post = "${=.Expand(${post|=null})}",
PostContentType = "${postContentType|=null}",
Timeout = "${timeout|=null}",
Transform = TransformRules.Expand
};
If ifs = new If()
{
Condition = "${= $.bytesReceived/1024/100 #GT# $oldReceived/1024/100}"
};
ifs.Add(new Print(".") { OutTo="^info" , NewLine = false});
d.Add(ifs);
d.Add(new Set("oldReceived","${= $.bytesReceived}",TransformRules.Expand));
script.Add(d);
script.Add(new Print { Value = "Completed. ${oldReceived} bytes downloaded." });
return script;
}
void downloadPackagesInfo()
{
ScriptContext context = Context;
var edition =Context.TransformStr(Edition, Transform);
Uri piUri;
if (Regex.IsMatch(edition, "^\\w+$"))
{
var ub = new UriBuilder(new Uri(Context.TransformStr(Repository, Transform)));
ub.Path = ub.Path.TrimEnd('/') + "/" + edition + ".pinfo";
piUri = ub.Uri;
}
else
piUri=new Uri(edition);
// Download the file
Context.Info.WriteLine("Downloading available packages from " + Utils.SecureUri(piUri));
byte[] pinfo = null;
context.ExecuteWithVars(() =>
{
Download d = new Download();
d.From = piUri.ToString();
d.OutTo = "var";
d.Binary = true;
d.CacheLevel = CacheLevel;
context.Execute(d);
pinfo = (byte[]) Context["var"];
return null;
}, new Vars(), null);
XmlDocument x = new XmlDocument();
x.PreserveWhitespace = true;
x.Load(new MemoryStream(pinfo));
if (ValidateSignature)
{
SignedXml verifier = new SignedXml(x);
var el = x.GetElementsByTagName("Signature");
bool valid = false;
if (el != null && el.Count != 0 && el[0] != null && el[0] is XmlElement)
{
verifier.LoadXml((XmlElement) el[0]);
valid = Context.VerifyXmlSignature(verifier);
}
else
VerboseMessage("PI. Validity of information about available packages cannot be verified, signature not found in {0}.", Utils.SecureUri(piUri));
if (!valid)
throw new ScriptRuntimeException("Information about available packages is corrupted in " + Utils.SecureUri(piUri));
}
// Parsing
try
{
Dictionary<string, PackageInfo> pinfo1 = new Dictionary<string, PackageInfo>(StringComparer.OrdinalIgnoreCase);
var n = x.SelectNodes("//package");
if (n != null)
foreach (XmlNode node in n)
{
PackageInfo pi = new PackageInfo();
var id = node.Attributes["name"];
if (id == null)
id = node.Attributes["id"];
if (id == null)
throw new ScriptRuntimeException("name attribute is missing in package information");
var v = node.Attributes["version"];
if (v == null)
throw new ScriptRuntimeException("version attribute is missing in package information [" + id.Value + "]");
pi.Version = new Version(v.Value);
var hash = (node.Attributes["sha1"]);
if (hash != null)
pi.Hash = Utils.ToBytes(hash.Value);
var urlNode = node.Attributes["location"];
if (urlNode==null)
urlNode=node.Attributes["url"];
if (urlNode != null && !string.IsNullOrEmpty(urlNode.Value))
{
string url = urlNode.InnerText;
Uri outUri = null;
if (!Uri.TryCreate(url, UriKind.Absolute, out outUri))
Uri.TryCreate(piUri, url, out outUri);
if (outUri != null)
pi.DownloadUri = outUri;
else
throw new ScriptRuntimeException("Invalid download URL " + Utils.SecureUri(url) + " in package information [" + id.Value + "]");
}
pinfo1[id.Value] = pi;
}
knownPackages = pinfo1;
}
catch (Exception e)
{
throw new ScriptRuntimeException("An error occured while processing " + Utils.SecureUri(piUri) + " .", e);
}
VerboseMessage("PI. Information about {0} available packages is loaded.", knownPackages.Count);
}
void downloadPackagesInfo()
{
ScriptContext context = Context;
var edition = Context.TransformStr(Edition, Transform);
Uri piUri;
if (Regex.IsMatch(edition, "^\\w+$"))
{
var ub = new UriBuilder(new Uri(Context.TransformStr(Repository, Transform)));
ub.Path = ub.Path.TrimEnd('/') + "/" + edition + ".pinfo";
piUri = ub.Uri;
}
else
{
piUri = new Uri(edition);
}
// Download the file
Context.Info.WriteLine("Downloading available packages from " + Utils.SecureUri(piUri));
byte[] pinfo = null;
context.ExecuteWithVars(() =>
{
Download d = new Download();
d.From = piUri.ToString();
d.OutTo = "var";
d.Binary = true;
d.CacheLevel = CacheLevel;
context.Execute(d);
pinfo = (byte[])Context["var"];
return(null);
}, new Vars(), null);
XmlDocument x = new XmlDocument();
x.PreserveWhitespace = true;
x.Load(new MemoryStream(pinfo));
if (ValidateSignature)
{
SignedXml verifier = new SignedXml(x);
var el = x.GetElementsByTagName("Signature");
bool valid = false;
if (el != null && el.Count != 0 && el[0] != null && el[0] is XmlElement)
{
verifier.LoadXml((XmlElement)el[0]);
valid = Context.VerifyXmlSignature(verifier);
}
else
{
VerboseMessage("PI. Validity of information about available packages cannot be verified, signature not found in {0}.", Utils.SecureUri(piUri));
}
if (!valid)
{
throw new ScriptRuntimeException("Information about available packages is corrupted in " + Utils.SecureUri(piUri));
}
}
// Parsing
try
{
Dictionary <string, PackageInfo> pinfo1 = new Dictionary <string, PackageInfo>(StringComparer.OrdinalIgnoreCase);
var n = x.SelectNodes("//package");
if (n != null)
{
foreach (XmlNode node in n)
{
PackageInfo pi = new PackageInfo();
var id = node.Attributes["name"];
if (id == null)
{
id = node.Attributes["id"];
}
if (id == null)
{
throw new ScriptRuntimeException("name attribute is missing in package information");
}
var v = node.Attributes["version"];
if (v == null)
{
throw new ScriptRuntimeException("version attribute is missing in package information [" + id.Value + "]");
}
pi.Version = new Version(v.Value);
var hash = (node.Attributes["sha1"]);
if (hash != null)
{
pi.Hash = Utils.ToBytes(hash.Value);
}
var urlNode = node.Attributes["location"];
if (urlNode == null)
{
urlNode = node.Attributes["url"];
}
if (urlNode != null && !string.IsNullOrEmpty(urlNode.Value))
{
string url = urlNode.InnerText;
Uri outUri = null;
if (!Uri.TryCreate(url, UriKind.Absolute, out outUri))
{
Uri.TryCreate(piUri, url, out outUri);
}
if (outUri != null)
{
pi.DownloadUri = outUri;
}
else
{
throw new ScriptRuntimeException("Invalid download URL " + Utils.SecureUri(url) + " in package information [" + id.Value + "]");
}
}
pinfo1[id.Value] = pi;
}
}
knownPackages = pinfo1;
}
catch (Exception e)
{
throw new ScriptRuntimeException("An error occured while processing " + Utils.SecureUri(piUri) + " .", e);
}
VerboseMessage("PI. Information about {0} available packages is loaded.", knownPackages.Count);
}
private object downloadSingleFile(IStringFilter nf, Uri single, FileInfo toFile)
{
var from = new UriFileInfo(single);
var ff = from.Name;
if (string.IsNullOrEmpty(ff))
ff = toFile.Name;
if (nf != null && (!nf.IsMatch(ff)))
{
VerboseMessage("{0} did not pass filter", single);
return null;
}
var to = new FileOrDirectoryInfo(toFile);
bool skip = false;
object ret = ProcessPrepare(from, to,
delegate
{
if (toFile.Directory != null && !toFile.Directory.Exists)
{
bool created;
object r = createDir(new DirectoryInfo(Path.GetTempPath()), toFile.Directory, out created);
if (!created || r != null)
return r;
}
bool overwrite = (Overwrite == OverwriteMode.Always);
if (Overwrite == OverwriteMode.IfNewer)
{
if (toFile.Exists && toFile.LastWriteTimeUtc >= from.LastWriteTimeUtc)
{
VerboseMessage("Ignoring never file {0} ", toFile.FullName);
return null;
}
overwrite = true;
}
skip = (toFile.Exists && !overwrite);
return null;
});
if (ret != null)
return ret;
if (skip && Overwrite != OverwriteMode.Confirm)
{
VerboseMessage("Ignoring existing file {0} ", toFile.FullName);
return null;
}
ret = ProcessComplete(from, to, skip, delegate(bool skip1)
{
if (!skip1)
{
// Continue with copy
if (toFile.Directory != null && !toFile.Directory.Exists)
toFile.Directory.Create();
VerboseMessage("Downloading {0} => {1}", from.FullName, toFile.FullName);
Download dn = new Download
{
From = single.OriginalString,
To = toFile.FullName,
Transform = TransformRules.None
};
return Context.Execute(dn);
}
return null;
});
return ret;
}
/// Download package
public void Download(Updater updater)
{
var context = ScriptContextScope.Current;
DirectoryInfo download = updater.GetDownloadDirectory();
download.Create();
DirectoryInfo dsum = updater.GetWorkingDirectory(Name);
if (updater.Cleanup)
Cleanup(updater);
dsum.Create();
PackageInfo pi = updater.GetPackage(Name);
if (pi.DownloadUri == null)
{
context.Info.WriteLine("[{0}] No download location provided...", Name);
return;
}
var edition = context.TransformStr(updater.Edition, Transform);
string fileName = edition + "." +Name + "." + pi.Version + ".zip";
_packageDownloadName = Path.Combine(download.FullName, fileName);
// If there is hash, we don't necessarily have to download
if (pi.Hash==null || !isValidHash(_packageDownloadName, pi.Hash))
{
context.Info.WriteLine("[{0}] Downloading package from {1}...", Name, Utils.SecureUri(pi.DownloadUri));
Download dn = new Download
{
From = pi.DownloadUri.ToString(),
To = _packageDownloadName,
CacheLevel = updater.CacheLevel,
Transform = TransformRules.None
};
context.InitializeAndExecute(dn);
// Validate hash
if (pi.Hash!=null && !isValidHash(_packageDownloadName, pi.Hash))
throw new ScriptRuntimeException("Hash of data downloaded from " + Utils.SecureUri(pi.DownloadUri) + " is invalid");
}
// Extract the file
context.Info.WriteLine("[{0}] Extracting {1}...", Name, _packageDownloadName);
Unzip ex = new Unzip
{
To = dsum.FullName,
From = _packageDownloadName,
Clean = false,
ZipTime = updater.ZipTime,
Password = updater.Password,
Transform = TransformRules.None
};
context.InitializeAndExecute(ex);
}
