...
1. 이미지, 동영상, 파일 업로드
Warning | ||
---|---|---|
| ||
가이드로 제공되는 아래 코드 중 파일 업로드 부분은 샘플 코드로서 보안 관련 처리가 미흡합니다. 파일 업로드 부분은 프로젝트 내부에서 사용하시는 부분을 그대로 사용하시고 아래 코드를 참고하셔서 연동 부분을 처리해주세요. |
Code Block | ||||||||
---|---|---|---|---|---|---|---|---|
| ||||||||
using System;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Http;
// absolute path to WEB ROOT directory
private const string WEB_ROOT_ABS_PATH = @"C:\workspace\SynapEditor_C#\SynapEditor\wwwroot";
// absolute path to directory where the files are to be uploaded
private readonly string UPLOAD_DIR_ABS_PATH = Path.Combine(WEB_ROOT_ABS_PATH, "uploads");
/*
* file upload API
*/
[HttpPost("api/uploadFile")]
public IActionResult UploadFile(IFormFile file)
{
string uploadFileAbsPath = SaveFileToDisk(file).Result;
string uploadFileRelPath = Path.GetRelativePath(UPLOAD_DIR_ABS_PATH, uploadFileAbsPath);
return Ok(new {uploadPath = uploadFileRelPath});
}
/*
* save data received from client-side to local filesystem
*/
private async Task<string> SaveFileToDisk(IFormFile file)
{
string extension = Path.GetExtension(file.FileName);
string uploadFileName = $"{Guid.NewGuid()}{extension}";
string uploadFileAbsPath = Path.Combine(UPLOAD_DIR_ABS_PATH, uploadFileName);
using (var fileStream = new FileStream(uploadFileAbsPath, FileMode.Create))
{
await file.CopyToAsync(fileStream);
}
return uploadFileAbsPath;
} |
2.
...
HWP, Word, Excel 문서 임포트
Warning | ||
---|---|---|
| ||
가이드로 제공되는 아래 코드 중 파일 업로드 부분은 샘플 코드로서 보안 관련 처리가 미흡합니다. 파일 업로드 부분은 프로젝트 내부에서 사용하시는 부분을 그대로 사용하시고 아래 코드를 참고하셔서 연동 부분을 처리해주세요. |
Code Block | ||||||
---|---|---|---|---|---|---|
| ||||||
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Http;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
// absolute path to WEB ROOT directory
private const string WEB_ROOT_ABS_PATH = @"C:\workspace\SynapEditor_C#\SynapEditor\wwwroot";
// absolute path to temporary workspace for decompressing documents
private readonly string WORK_DIR_ABS_PATH = Path.Combine(WEB_ROOT_ABS_PATH, "works");
// absolute path to directory where the files are to be uploaded
private readonly string UPLOAD_DIR_ABS_PATH = Path.Combine(WEB_ROOT_ABS_PATH, "uploads");
|
...
/*
* Top-level import API
*/
[HttpPost("api/importDoc")]
public async Task<IActionResult> ImportDoc(IFormFile file)
{
//1. save document to disk
string uploadFileAbsPath = SaveFileToDisk(file).Result;
//2. convert document into model data
string |
...
importAbsPath = ExecuteConverter(uploadFileAbsPath).Result |
...
;
string importRelPath = Path.GetRelativePath(WEB_ROOT_ABS_PATH, |
...
importAbsPath); // |
...
3. read in model data // v2.3.0 부터 파일명이 document.word.pb에서 document.pb로 변경됨 string pbFileAbsPath = Path.Combine( |
...
importAbsPath, "document. |
...
pb");
int[] serializedData = ReadPbData(pbFileAbsPath);
// |
...
4. return serialized model data and its location return Ok(new {serializedData, importPath = importRelPath}); } /* * save document to disk */ private async Task<string> SaveFileToDisk(IFormFile file) { string extension = Path.GetExtension(file.FileName); string uploadFileName = $"{Guid.NewGuid()}{extension}"; string uploadFileAbsPath = Path.Combine(UPLOAD_DIR_ABS_PATH, uploadFileName); using (var fileStream = new FileStream(uploadFileAbsPath, FileMode.Create)) { await file.CopyToAsync(fileStream); } return uploadFileAbsPath; } /* * execute external document import module */ private async Task<string> ExecuteConverter(string docFileAbsPath) { // absolute path to import module (the module dll should reside in the same path) const string CONVERTER_ABS_PATH = @"C:\workspace\SynapEditor_C#\sedocConverter.exe"; // absolute path to font directory needed to convert metafiles const string FONTS_DIR_ABS_PATH = @"C:\workspace\SynapEditor_C#\fonts"; // absolute path to temporary workspace const string TEMP_DIR_ABS_PATH = @"C:\workspace\SynapEditor_C#\tmp"; // absolute path to the resulting zipped file string outputAbsPath = Path.Combine(WORK_DIR_ABS_PATH, Path.GetFileName(docFileAbsPath) |
...
);
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = CONVERTER_ABS_PATH;
startInfo.Arguments = $"-f {FONTS_DIR_ABS_PATH} {docFileAbsPath} {outputAbsPath} {TEMP_DIR_ABS_PATH}";
startInfo.CreateNoWindow = false;
startInfo.UseShellExecute = false;
startInfo.WindowStyle = ProcessWindowStyle.Hidden;
using (Process exeProcess = Process.Start(startInfo))
{
// failure if conversion takes more than 30 sec.
if (exeProcess.WaitForExit(30000))
{
return outputAbsPath;
}
exeProcess.Kill();
return "";
}
}
/*
* |
...
|
...
serialize document model data in order to Synap Editor front-end module can consume it.
* (Caution: importing will stop working if the body of this function is modified)
*/
private static int[] ReadPbData(string pbFilePath)
{
List<int> pbData = new List<int>();
using (FileStream fileStream = new FileStream(pbFilePath, FileMode.Open, FileAccess.Read))
{
fileStream.Seek(16, SeekOrigin.Begin);
using (InflaterInputStream inflaterInputStream = new InflaterInputStream(fileStream))
{
int count;
byte[] buffer = new byte[1024];
while ((count = inflaterInputStream.Read(buffer, 0, buffer.Length)) > 0)
{
for (int i = 0; i < count; i++)
{
pbData.Add(buffer[i] & 0xFF);
}
}
}
}
return pbData.ToArray();
}
|
관련정보
Children Display | ||
---|---|---|
|