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98 lines
4.0 KiB
98 lines
4.0 KiB
using SimpleJSON;
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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.Runtime.Serialization;
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using System.Text;
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using System.Threading.Tasks;
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namespace IllusionInjector.Updating
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{
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/** // JSON format
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* {
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* "_updateScript": "0.1", // version
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* "<pluginName>": { // an entry for your plugin, using its annotated name
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* "version": "<version>", // required, should be in .NET Version class format
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* // note: only required if neither newName nor newScript is specified
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* "newName": "<newName>", // optional, defines a new name for the plugin (gets saved under this name)
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* // (updater will also check this file for this name to get latest)
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* "newScript": "<newScript>", // optional, defines a new location for the update script
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* // updater will look here for latest version too
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* // note: if both newName and newScript are defined, the updater will only look in newScript
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* // for newName, and not any other combination
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* "download": "<url>", // required, defines URL to use for downloading new version
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* // note: only required if neither newName nor newScript is specified
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* },
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* ...
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* }
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*/
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class UpdateScript
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{
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static readonly Version ScriptVersion = new Version(0, 1);
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public Version Version { get; private set; }
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private Dictionary<string, PluginVersionInfo> info = new Dictionary<string, PluginVersionInfo>();
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public IReadOnlyDictionary<string, PluginVersionInfo> Info { get => info; }
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public class PluginVersionInfo
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{
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public Version Version { get; protected internal set; }
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public string NewName { get; protected internal set; }
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public Uri NewScript { get; protected internal set; }
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public Uri Download { get; protected internal set; }
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}
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public static UpdateScript Parse(JSONObject jscript)
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{
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var script = new UpdateScript
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{
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Version = Version.Parse(jscript["_updateScript"].Value)
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};
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if (script.Version != ScriptVersion)
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throw new UpdateScriptParseException("Script version mismatch");
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jscript.Remove("_updateScript");
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foreach (var kvp in jscript)
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{
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var obj = kvp.Value.AsObject;
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var pvi = new PluginVersionInfo
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{
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Version = obj.Linq.Any(p => p.Key == "version") ? Version.Parse(obj["version"].Value) : null,
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Download = obj.Linq.Any(p => p.Key == "download") ? new Uri(obj["download"].Value) : null,
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NewName = obj.Linq.Any(p => p.Key == "newName") ? obj["newName"] : null,
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NewScript = obj.Linq.Any(p => p.Key == "newScript") ? new Uri(obj["newScript"]) : null
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};
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if (pvi.NewName == null && pvi.NewScript == null && (pvi.Version == null || pvi.Download == null))
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throw new UpdateScriptParseException($"Required fields missing from object {kvp.Key}");
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script.info.Add(kvp.Key, pvi);
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}
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return script;
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}
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[Serializable]
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private class UpdateScriptParseException : Exception
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{
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public UpdateScriptParseException()
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{
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}
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public UpdateScriptParseException(string message) : base(message)
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{
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}
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public UpdateScriptParseException(string message, Exception innerException) : base(message, innerException)
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{
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}
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protected UpdateScriptParseException(SerializationInfo info, StreamingContext context) : base(info, context)
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{
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}
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}
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}
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}
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