94 lines
3.2 KiB
Plaintext
94 lines
3.2 KiB
Plaintext
<%@ WebHandler Language="C#" Class="uploadPDFImage" %>
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using System;
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using System.Web;
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using System.Runtime.Serialization.Json;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System.Web.Services.Protocols;
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using System.Security.Cryptography;
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using System.Text;
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using System.Web.SessionState;
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using System.Data;
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public class uploadPDFImage : IHttpHandler, IReadOnlySessionState {
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private string _baseurl = HttpContext.Current.Request.Url.Scheme + "://" + HttpContext.Current.Request.Url.Authority + HttpContext.Current.Request.ApplicationPath.TrimEnd('/');
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public void ProcessRequest (HttpContext context) {
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result objRet = new result();
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DataContractJsonSerializer json = new DataContractJsonSerializer(objRet.GetType());
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context.Response.ContentType = "application/json;charset=utf-8";
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context.Response.AddHeader("Access-Control-Allow-Origin", "*");
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authPermission objAuth = new authPermission();
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if (!objAuth.isLogin())
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{
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objRet.ret = "no";
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objRet.err_code = "0001";
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objRet.message = "尚未登入，請登入後使用";
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json.WriteObject(context.Response.OutputStream, objRet);
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return;
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}
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string picFile = (context.Request["picFile"] == null) ? "" : context.Request["picFile"].ToString();
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string filename = (context.Request["filename"] == null) ? "" : context.Request["filename"].ToString();
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string filetype = (context.Request["filetype"] == null) ? "" : context.Request["filetype"].ToString();
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string fileClientName = globalClass.CreateCaseRandomCode(16);
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if (!(filetype == "image/jpeg" || filetype == "image/png" || filetype == "application/pdf" || filetype == "image/jpg")) {
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objRet.ret = "no";
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objRet.err_code = "0002";
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objRet.message = "不支援檔案格式為" + filetype;
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json.WriteObject(context.Response.OutputStream, objRet);
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return;
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}
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if (filetype == "application/pdf") {
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fileClientName = fileClientName + ".pdf";
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}
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if (filetype == "image/jpeg" || filetype == "image/jpg") {
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fileClientName = fileClientName + ".jpg";
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}
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if (filetype == "application/png") {
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fileClientName = fileClientName + ".png";
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}
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string filePath = string.Format("upload_files/{0}", fileClientName).Replace("/", "\\");
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string path = System.Web.HttpContext.Current.Server.MapPath("~/");
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globalClass.Base64ToFile(picFile, path + filePath);
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objRet.fileName = filename;
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objRet.fileLinkName = fileClientName;
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objRet.fileUrl = _baseurl + "/upload_files/" + fileClientName;
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objRet.fileType = filetype;
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objRet.ret = "yes";
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json.WriteObject(context.Response.OutputStream, objRet);
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return;
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}
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public class result
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{
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public string ret = "no";
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public string err_code = "0000";
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public string message = "";
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public string fileName = "";
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public string fileUrl = "";
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public string fileType = "";
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public string fileLinkName = "";
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}
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public bool IsReusable {
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get {
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return false;
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}
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}
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} |