315 lines
12 KiB
C#
315 lines
12 KiB
C#
// Copyright (c) 2015, Outercurve Foundation.
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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 without modification,
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// are permitted provided that the following conditions are met:
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//
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// - Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// - Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// - Neither the name of the Outercurve Foundation nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using System.IO;
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using System.Web.Services;
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using System.Data;
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using System.Xml.Linq;
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using System.Diagnostics;
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namespace WebsitePanel.WebSite.Services
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{
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public class InstallerServiceBase
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{
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protected string RELEASES_FEED_PATH = "~/Data/ProductReleasesFeed.xml";
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#region WebMethods
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[WebMethod]
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public DataSet GetReleaseFileInfo(string componentCode, string version)
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{
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// get XML doc
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XDocument xml = GetReleasesFeed();
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// get current release
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var release = (from r in xml.Descendants("release")
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where r.Parent.Parent.Attribute("code").Value == componentCode
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&& r.Attribute("version").Value == version
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select r).FirstOrDefault();
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if (release == null)
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return null; // requested release was not found
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DataSet ds = new DataSet();
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DataTable dt = ds.Tables.Add();
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dt.Columns.Add("ReleaseFileID", typeof(int));
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dt.Columns.Add("FullFilePath", typeof(string));
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dt.Columns.Add("UpgradeFilePath", typeof(string));
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dt.Columns.Add("InstallerPath", typeof(string));
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dt.Columns.Add("InstallerType", typeof(string));
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dt.Rows.Add(
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Int32.Parse(release.Element("releaseFileID").Value),
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release.Element("fullFilePath").Value,
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release.Element("upgradeFilePath").Value,
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release.Element("installerPath").Value,
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release.Element("installerType").Value);
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ds.AcceptChanges(); // save
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return ds;
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}
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[WebMethod]
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public byte[] GetFileChunk(string fileName, int offset, int size)
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{
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string path = HttpContext.Current.Server.MapPath(fileName);
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return GetFileBinaryContent(path, offset, size);
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}
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[WebMethod]
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public long GetFileSize(string fileName)
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{
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string path = HttpContext.Current.Server.MapPath(fileName);
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long ret = 0;
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if (File.Exists(path))
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{
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FileInfo fi = new FileInfo(path);
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ret = fi.Length;
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}
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return ret;
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}
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[WebMethod]
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public DataSet GetAvailableComponents()
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{
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return GetAvailableComponents(false);
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}
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[WebMethod]
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public DataSet GetLatestComponentUpdate(string componentCode)
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{
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return GetLatestComponentUpdate(componentCode, false);
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}
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[WebMethod]
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public DataSet GetComponentUpdate(string componentCode, string release)
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{
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return GetComponentUpdate(componentCode, release, false);
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}
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#endregion
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public DataSet GetLatestComponentUpdate(string componentCode, bool includeBeta)
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{
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// get XML doc
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XDocument xml = GetReleasesFeed();
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// get all active component releases
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var releases = from release in xml.Descendants("release")
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where release.Parent.Parent.Attribute("code").Value == componentCode
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&& release.Element("upgradeFilePath") != null
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&& release.Element("upgradeFilePath").Value != ""
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// This line has been commented because the function is used only by WebsitePanel Installer
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// itself. However, it may cause an incovenience if used inappropriately.
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// The Installer's releases are hidden (not available) and should not be displayed in the list of available components.
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//&& Boolean.Parse(release.Attribute("available").Value)
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&& (includeBeta || !includeBeta && !Boolean.Parse(release.Attribute("beta").Value))
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select release;
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DataSet ds = new DataSet();
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DataTable dt = ds.Tables.Add();
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dt.Columns.Add("ReleaseFileID", typeof(int));
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dt.Columns.Add("Version", typeof(string));
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dt.Columns.Add("Beta", typeof(bool));
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dt.Columns.Add("FullFilePath", typeof(string));
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dt.Columns.Add("UpgradeFilePath", typeof(string));
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dt.Columns.Add("InstallerPath", typeof(string));
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dt.Columns.Add("InstallerType", typeof(string));
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//
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var r = releases.FirstOrDefault();
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//
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if (r != null)
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{
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dt.Rows.Add(
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Int32.Parse(r.Element("releaseFileID").Value),
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r.Attribute("version").Value,
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Boolean.Parse(r.Attribute("beta").Value),
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r.Element("fullFilePath").Value,
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r.Element("upgradeFilePath").Value,
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r.Element("installerPath").Value,
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r.Element("installerType").Value);
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}
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ds.AcceptChanges(); // save
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return ds;
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}
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public DataSet GetAvailableComponents(bool includeBeta)
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{
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XDocument xml = GetReleasesFeed();
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// select all available components
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var components = from component in xml.Descendants("component")
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select component;
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// build dataset structure
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DataSet ds = new DataSet();
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DataTable dt = ds.Tables.Add();
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dt.Columns.Add("ReleaseFileID", typeof(int));
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dt.Columns.Add("ApplicationName", typeof(string));
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dt.Columns.Add("Component", typeof(string));
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dt.Columns.Add("Version", typeof(string));
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dt.Columns.Add("Beta", typeof(bool));
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dt.Columns.Add("ComponentDescription", typeof(string));
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dt.Columns.Add("ComponentCode", typeof(string));
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dt.Columns.Add("ComponentName", typeof(string));
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dt.Columns.Add("FullFilePath", typeof(string));
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dt.Columns.Add("InstallerPath", typeof(string));
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dt.Columns.Add("InstallerType", typeof(string));
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// check each component for the latest available release
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foreach (var component in components)
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{
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var releases = from r in component.Descendants("release")
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where Boolean.Parse(r.Attribute("available").Value)
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&& (includeBeta || !includeBeta && !Boolean.Parse(r.Attribute("beta").Value))
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select r;
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var release = releases.FirstOrDefault();
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if (release == null)
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continue; // component does not have active releases
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// add line to data set
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dt.Rows.Add(
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Int32.Parse(release.Element("releaseFileID").Value),
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component.Attribute("application").Value,
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component.Attribute("application").Value + " " + component.Attribute("name").Value,
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release.Attribute("version").Value,
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Boolean.Parse(release.Attribute("beta").Value),
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component.Element("description").Value,
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component.Attribute("code").Value,
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component.Attribute("name").Value,
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release.Element("fullFilePath").Value,
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release.Element("installerPath").Value,
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release.Element("installerType").Value);
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}
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ds.AcceptChanges(); // save
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return ds;
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}
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public DataSet GetComponentUpdate(string componentCode, string release, bool includeBeta)
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{
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// get XML doc
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XDocument xml = GetReleasesFeed();
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// get current release
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var currentRelease = (from r in xml.Descendants("release")
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where r.Parent.Parent.Attribute("code").Value == componentCode
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&& r.Attribute("version").Value == release
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select r).FirstOrDefault();
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if(currentRelease == null)
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return null; // requested release was not found
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// get next available update
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var update = (from r in currentRelease.Parent.Descendants("release")
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where r.IsBefore(currentRelease)
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&& r.Element("upgradeFilePath") != null
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&& r.Element("upgradeFilePath").Value != ""
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&& Boolean.Parse(r.Attribute("available").Value)
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&& (includeBeta || !includeBeta && !Boolean.Parse(r.Attribute("beta").Value))
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select r).LastOrDefault();
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DataSet ds = new DataSet();
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DataTable dt = ds.Tables.Add();
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dt.Columns.Add("ReleaseFileID", typeof(int));
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dt.Columns.Add("Version", typeof(string));
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dt.Columns.Add("Beta", typeof(bool));
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dt.Columns.Add("FullFilePath", typeof(string));
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dt.Columns.Add("UpgradeFilePath", typeof(string));
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dt.Columns.Add("InstallerPath", typeof(string));
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dt.Columns.Add("InstallerType", typeof(string));
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if (update != null)
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{
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dt.Rows.Add(
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Int32.Parse(update.Element("releaseFileID").Value),
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update.Attribute("version").Value,
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Boolean.Parse(update.Attribute("beta").Value),
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update.Element("fullFilePath").Value,
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update.Element("upgradeFilePath").Value,
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update.Element("installerPath").Value,
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update.Element("installerType").Value);
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}
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ds.AcceptChanges(); // save
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return ds;
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}
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private byte[] GetFileBinaryContent(string path)
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{
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if (!File.Exists(path))
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return null;
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FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read);
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if (stream == null)
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return null;
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long length = stream.Length;
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byte[] content = new byte[length];
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stream.Read(content, 0, (int)length);
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stream.Close();
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return content;
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}
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private byte[] GetFileBinaryContent(string path, int offset, int size)
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{
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if (!File.Exists(path))
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return null;
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FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read);
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if (stream == null)
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return null;
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long length = stream.Length;
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int count = size;
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if (offset + size - length > 0)
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{
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count = (int)(length - offset);
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}
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byte[] content = new byte[count];
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if (count > 0)
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{
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stream.Seek(offset, SeekOrigin.Begin);
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stream.Read(content, 0, count);
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stream.Close();
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}
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return content;
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}
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private XDocument GetReleasesFeed()
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{
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return XDocument.Load(HttpContext.Current.Server.MapPath(RELEASES_FEED_PATH));
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}
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}
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}
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