Files
document-server-integration/web/documentserver-example/csharp/DocEditor.aspx.cs
2019-09-09 15:28:32 +03:00

312 lines
13 KiB
C#

/*
*
* (c) Copyright Ascensio System SIA 2019
*
* The MIT License (MIT)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Web;
using System.Web.Configuration;
using System.Web.Script.Serialization;
using System.Web.UI;
using ASC.Api.DocumentConverter;
namespace OnlineEditorsExample
{
public partial class DocEditor : Page
{
public static string FileName;
public static string FileUri
{
get { return _Default.FileUri(FileName); }
}
protected string Key
{
get
{
return ServiceConverter.GenerateRevisionId(_Default.CurUserHostAddress(null)
+ "/" + Path.GetFileName(FileUri)
+ "/" + File.GetLastWriteTime(_Default.StoragePath(FileName, null)).GetHashCode());
}
}
protected string DocServiceApiUri
{
get { return WebConfigurationManager.AppSettings["files.docservice.url.api"] ?? string.Empty; }
}
protected string DocConfig { get; private set; }
protected string History { get; private set; }
protected string HistoryData { get; private set; }
public static string CallbackUrl
{
get
{
var callbackUrl = _Default.Host;
callbackUrl.Path =
HttpRuntime.AppDomainAppVirtualPath
+ (HttpRuntime.AppDomainAppVirtualPath.EndsWith("/") ? "" : "/")
+ "webeditor.ashx";
callbackUrl.Query = "type=track"
+ "&fileName=" + HttpUtility.UrlEncode(FileName)
+ "&userAddress=" + HttpUtility.UrlEncode(HttpContext.Current.Request.UserHostAddress);
return callbackUrl.ToString();
}
}
protected void Page_Load(object sender, EventArgs e)
{
var externalUrl = Request["fileUrl"];
if (!string.IsNullOrEmpty(externalUrl))
{
FileName = _Default.DoUpload(externalUrl, Request);
}
else
{
FileName = Request["fileID"];
}
var type = Request["type"];
if (!string.IsNullOrEmpty(type))
{
Try(type, Request["sample"], Request);
Response.Redirect("doceditor.aspx?fileID=" + HttpUtility.UrlEncode(FileName));
}
var ext = Path.GetExtension(FileName);
var editorsMode = Request["editorsMode"] ?? "edit";
var canEdit = _Default.EditedExts.Contains(ext);
var mode = canEdit && editorsMode != "view" ? "edit" : "view";
var config = new Dictionary<string, object>
{
{ "type", Request["editorsType"] ?? "desktop" },
{ "documentType", _Default.DocumentType(FileName) },
{
"document", new Dictionary<string, object>
{
{ "title", FileName },
{ "url", FileUri },
{ "fileType", ext.Trim('.') },
{ "key", Key },
{
"info", new Dictionary<string, object>
{
{ "author", "Me" },
{ "created", DateTime.Now.ToShortDateString() }
}
},
{
"permissions", new Dictionary<string, object>
{
{ "comment", editorsMode != "view" && editorsMode != "fillForms" && editorsMode != "embedded" },
{ "download", true },
{ "edit", canEdit && (editorsMode == "edit" || editorsMode == "filter") },
{ "fillForms", editorsMode != "view" && editorsMode != "comment" && editorsMode != "embedded" },
{ "modifyFilter", editorsMode != "filter" },
{ "review", editorsMode == "edit" || editorsMode == "review" }
}
}
}
},
{
"editorConfig", new Dictionary<string, object>
{
{ "mode", mode },
{ "lang", Request.Cookies["ulang"]?.Value ?? "en" },
{ "callbackUrl", CallbackUrl },
{
"user", new Dictionary<string, object>
{
{ "id", Request.Cookies["uid"]?.Value ?? "uid-1" },
{ "name", Request.Cookies["uname"]?.Value ?? "John Smith" }
}
},
{
"embedded", new Dictionary<string, object>
{
{ "saveUrl", FileUri },
{ "embedUrl", FileUri },
{ "shareUrl", FileUri },
{ "toolbarDocked", "top" }
}
},
{
"customization", new Dictionary<string, object>
{
{ "about", true },
{ "feedback", true },
{
"goback", new Dictionary<string, object>
{
{ "url", _Default.Host + "default.aspx" }
}
}
}
}
}
}
};
if (JwtManager.Enabled)
{
var token = JwtManager.Encode(config);
config.Add("token", token);
}
var jss = new JavaScriptSerializer();
DocConfig = jss.Serialize(config);
try
{
GetHistory(out var hist, out var histData);
if (hist != null && histData != null)
{
History = jss.Serialize(hist);
HistoryData = jss.Serialize(histData);
}
}
catch { }
}
private void GetHistory(out Dictionary<string, object> history, out Dictionary<string, object> historyData)
{
var jss = new JavaScriptSerializer();
var histDir = _Default.HistoryDir(_Default.StoragePath(FileName, null));
history = null;
historyData = null;
if (_Default.GetFileVersion(histDir) > 0)
{
var currentVersion = _Default.GetFileVersion(histDir);
var hist = new List<Dictionary<string, object>>();
var histData = new Dictionary<string, object>();
for (var i = 0; i <= currentVersion; i++)
{
var obj = new Dictionary<string, object>();
var dataObj = new Dictionary<string, object>();
var verDir = _Default.VersionDir(histDir, i + 1);
var key = i == currentVersion ? Key : File.ReadAllText(Path.Combine(verDir, "key.txt"));
obj.Add("key", key);
obj.Add("version", i);
if (i == 0)
{
var infoPath = Path.Combine(histDir, "createdInfo.json");
if (File.Exists(infoPath)) {
var info = jss.Deserialize<Dictionary<string, object>>(File.ReadAllText(infoPath));
obj.Add("created", info["created"]);
obj.Add("user", new Dictionary<string, object>() {
{ "id", info["id"] },
{ "name", info["name"] },
});
}
}
dataObj.Add("key", key);
dataObj.Add("url", i == currentVersion ? FileUri : MakePublicUrl(Directory.GetFiles(verDir, "prev.*")[0]));
dataObj.Add("version", i);
if (i > 0)
{
var changes = jss.Deserialize<Dictionary<string, object>>(File.ReadAllText(Path.Combine(_Default.VersionDir(histDir, i), "changes.json")));
var change = ((Dictionary<string, object>)((ArrayList)changes["changes"])[0]);
obj.Add("changes", changes["changes"]);
obj.Add("serverVersion", changes["serverVersion"]);
obj.Add("created", change["created"]);
obj.Add("user", change["user"]);
var prev = (Dictionary<string, object>)histData[(i - 1).ToString()];
dataObj.Add("previous", new Dictionary<string, object>() {
{ "key", prev["key"] },
{ "url", prev["url"] },
});
dataObj.Add("changesUrl", MakePublicUrl(Path.Combine(_Default.VersionDir(histDir, i), "diff.zip")));
}
hist.Add(obj);
histData.Add(i.ToString(), dataObj);
}
history = new Dictionary<string, object>()
{
{ "currentVersion", currentVersion },
{ "history", hist }
};
historyData = histData;
}
}
private string MakePublicUrl(string fullPath)
{
var root = HttpRuntime.AppDomainAppPath + WebConfigurationManager.AppSettings["storage-path"];
return _Default.Host + fullPath.Substring(root.Length).Replace(Path.DirectorySeparatorChar, '/');
}
private static void Try(string type, string sample, HttpRequest request)
{
string ext;
switch (type)
{
case "document":
ext = ".docx";
break;
case "spreadsheet":
ext = ".xlsx";
break;
case "presentation":
ext = ".pptx";
break;
default:
return;
}
var demoName = (string.IsNullOrEmpty(sample) ? "new" : "demo") + ext;
FileName = _Default.GetCorrectName(demoName);
var filePath = _Default.StoragePath(FileName, null);
File.Copy(HttpRuntime.AppDomainAppPath + "app_data/" + demoName, filePath);
var histDir = _Default.HistoryDir(filePath);
Directory.CreateDirectory(histDir);
File.WriteAllText(Path.Combine(histDir, "createdInfo.json"), new JavaScriptSerializer().Serialize(new Dictionary<string, object> {
{ "created", DateTime.Now.ToString() },
{ "id", request.Cookies["uid"]?.Value ?? "uid-1" },
{ "name", request.Cookies["uname"]?.Value ?? "John Smith" }
}));
}
}
}