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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Diagnostics; | ||
| using System.Reflection; | ||
|
|
||
| using Autofac; | ||
| using Newtonsoft.Json; | ||
|
|
||
| using CKAN.Versioning; | ||
| using CKAN.Configuration; | ||
|
|
||
| namespace CKAN | ||
| { | ||
| /// <summary> | ||
| /// CKAN client auto-updating routines. This works in conjunction with the | ||
| /// auto-update helper to allow users to upgrade. | ||
| /// </summary> | ||
| public class AutoUpdate | ||
| { | ||
| public AutoUpdate() | ||
| { | ||
| } | ||
|
|
||
| public CkanUpdate GetUpdate(bool devBuild) | ||
| { | ||
| if (updates.TryGetValue(devBuild, out CkanUpdate update)) | ||
| { | ||
| return update; | ||
| } | ||
| var newUpdate = devBuild | ||
| ? new S3BuildCkanUpdate() as CkanUpdate | ||
| : new GitHubReleaseCkanUpdate(); | ||
| updates.Add(devBuild, newUpdate); | ||
| return newUpdate; | ||
| } | ||
|
|
||
| private Dictionary<bool, CkanUpdate> updates = new Dictionary<bool, CkanUpdate>(); | ||
|
|
||
| /// <summary> | ||
| /// Report whether it's possible to run the auto-updater. | ||
| /// Checks whether we can overwrite the running ckan.exe. | ||
| /// Windows doesn't let us check this because it locks the EXE | ||
| /// for a running process, so assume we can always overwrite on Windows. | ||
| /// </summary> | ||
| public static readonly bool CanUpdate = Platform.IsWindows || CanWrite(exePath); | ||
|
|
||
| /// <summary> | ||
| /// Downloads the new ckan.exe version, as well as the updater helper, | ||
| /// and then launches the helper allowing us to upgrade. | ||
| /// </summary> | ||
| /// <param name="launchCKANAfterUpdate">If set to <c>true</c> launch CKAN after update.</param> | ||
| public void StartUpdateProcess(bool launchCKANAfterUpdate, bool devBuild, IUser user = null) | ||
| { | ||
| var pid = Process.GetCurrentProcess().Id; | ||
|
|
||
| var update = GetUpdate(devBuild); | ||
|
|
||
| // download updater app and new ckan.exe | ||
| NetAsyncDownloader.DownloadWithProgress(update.Targets, user); | ||
|
|
||
| // run updater | ||
| SetExecutable(update.updaterFilename); | ||
| Process.Start(new ProcessStartInfo | ||
| { | ||
| Verb = "runas", | ||
| FileName = update.updaterFilename, | ||
| Arguments = string.Format(@"{0} ""{1}"" ""{2}"" {3}", | ||
| -pid, exePath, | ||
| update.ckanFilename, | ||
| launchCKANAfterUpdate ? "launch" : "nolaunch"), | ||
| UseShellExecute = false, | ||
| // Make child's stdin a pipe so it can tell when we exit | ||
| RedirectStandardInput = true, | ||
| CreateNoWindow = true, | ||
| }); | ||
|
|
||
| // Caller should now exit. Let them do it safely. | ||
| } | ||
|
|
||
| public static void SetExecutable(string fileName) | ||
| { | ||
| // mark as executable if on Linux or Mac | ||
| if (Platform.IsUnix || Platform.IsMac) | ||
| { | ||
| // TODO: It would be really lovely (and safer!) to use the native system | ||
| // call here: http://docs.go-mono.com/index.aspx?link=M:Mono.Unix.Native.Syscall.chmod | ||
|
|
||
| string command = string.Format("+x \"{0}\"", fileName); | ||
|
|
||
| ProcessStartInfo permsinfo = new ProcessStartInfo("chmod", command) | ||
| { | ||
| UseShellExecute = false | ||
| }; | ||
| Process permsprocess = Process.Start(permsinfo); | ||
| permsprocess.WaitForExit(); | ||
| } | ||
| } | ||
|
|
||
| private static bool CanWrite(string path) | ||
| { | ||
| try | ||
| { | ||
| // Try to open the file for writing. | ||
| // We won't actually write, but we expect the OS to stop us if we don't have permissions. | ||
| using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.ReadWrite)) { } | ||
| return true; | ||
| } | ||
| catch | ||
| { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| // This is null when running tests, seemingly. | ||
| private static readonly string exePath = Assembly.GetEntryAssembly()?.Location ?? ""; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.Collections.Generic; | ||
|
|
||
| using CKAN.Versioning; | ||
|
|
||
| namespace CKAN | ||
| { | ||
| /// <summary> | ||
| /// Object representing a CKAN release | ||
| /// </summary> | ||
| public abstract class CkanUpdate | ||
| { | ||
| public CkanModuleVersion Version { get; protected set; } | ||
| public Uri ReleaseDownload { get; protected set; } | ||
| public long ReleaseSize { get; protected set; } | ||
| public Uri UpdaterDownload { get; protected set; } | ||
| public long UpdaterSize { get; protected set; } | ||
| public string ReleaseNotes { get; protected set; } | ||
|
|
||
| public string updaterFilename = $"{Path.GetTempPath()}{Guid.NewGuid()}.exe"; | ||
| public string ckanFilename = $"{Path.GetTempPath()}{Guid.NewGuid()}.exe"; | ||
|
|
||
| public abstract IList<NetAsyncDownloader.DownloadTarget> Targets { get; } | ||
| } | ||
| } |
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