Update 20260123
This commit is contained in:
Stefan Hutter
208
API_NetFramework/Controllers/JsonController.cs
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208
API_NetFramework/Controllers/JsonController.cs
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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.Web;
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using System.Web.Http;
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using System.Web.Mvc;
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using System.Configuration;
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using System.Data.SqlClient;
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using System.IO;
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using System.Net;
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using System.Net.Http;
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using System.Text;
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using SecuringWebApiUsingApiKey.Middleware;
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using System.Threading.Tasks;
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using Model;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System.Web.Http.Results;
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using System.Net.Http.Headers;
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namespace OnDocAPI_NetFramework.Controllers
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{
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public class JsonRequestDto
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{
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public string Key { get; set; }
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public string Json { get; set; }
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}
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[System.Web.Http.RoutePrefix("api/json")]
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public class JsonController : ApiController
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{
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private readonly string _connectionString = StringCipher.Decrypt(ConfigurationManager.ConnectionStrings["DocTesterconnectionstring"].ConnectionString, "i%!k!7pab%bNLdA5hE4pkR4XaB%E^jB3d9tHuQ4pbF&BZjF7SB#WBWit5#HrbJiLrLVm");
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// 🔹 JSON LESEN
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[System.Web.Http.HttpGet]
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[System.Web.Http.Route("load/{key}")]
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public IHttpActionResult LoadJson(string key)
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{
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if (string.IsNullOrWhiteSpace(key))
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return BadRequest("Key fehlt");
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string json;
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using (SqlConnection con = new SqlConnection(_connectionString))
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using (SqlCommand cmd = new SqlCommand(
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"SELECT JavaScriptObject FROM ProvDokuments WHERE ProvDokumentid = @key", con))
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{
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cmd.Parameters.AddWithValue("@key", key);
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con.Open();
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json = cmd.ExecuteScalar()?.ToString();
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}
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if (json == null)
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return NotFound();
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return Ok(json);
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}
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// 🔹 JSON SPEICHERN
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[System.Web.Http.HttpPost]
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[System.Web.Http.Route("save")]
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public IHttpActionResult SaveJson(JsonRequestDto dto)
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{
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if (dto == null || string.IsNullOrWhiteSpace(dto.Key))
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return BadRequest("Key fehlt");
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using (SqlConnection con = new SqlConnection(_connectionString))
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using (SqlCommand cmd = new SqlCommand(@"
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IF EXISTS (SELECT 1 FROM provdokuments WHERE provdokumentid = @key)
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UPDATE provdokuments SET JavaScriptObject = @json, geaendertam = GETDATE()
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WHERE provdokumentid = @key
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ELSE
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INSERT INTO provdokuments (provdokumentid,erstelltam,geaendertam, JavaScriptObject)
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VALUES (@key, getdate(),getdate(),@json)
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", con))
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{
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cmd.Parameters.AddWithValue("@key", dto.Key);
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cmd.Parameters.AddWithValue("@json", dto.Json);
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con.Open();
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cmd.ExecuteNonQuery();
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}
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return Ok();
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}
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public class JsonRequestDto
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{
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public string Key { get; set; }
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public string Json { get; set; } // ← reiner JSON-String
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}
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public class PdfBase64Response
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{
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public string PdfBase64 { get; set; }
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}
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// 🔹 PDF GENERIEREN
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[System.Web.Http.HttpPost]
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[System.Web.Http.Route("GeneratePDF")]
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public async Task<HttpResponseMessage> GeneratePdf(JsonRequestDto dto)
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{
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if (dto == null || string.IsNullOrWhiteSpace(dto.Json))
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return new HttpResponseMessage(HttpStatusCode.BadRequest);
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byte[] pdfBytes = await CallExternalPdfApi(dto.Json);
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var response = new HttpResponseMessage(HttpStatusCode.OK)
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{
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Content = new ByteArrayContent(pdfBytes)
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};
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response.Content.Headers.ContentType =
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new MediaTypeHeaderValue("application/pdf");
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response.Content.Headers.ContentDisposition =
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new ContentDispositionHeaderValue("inline")
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{
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FileName = $"{dto.Key}.pdf"
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};
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response.Content.Headers.ContentLength = pdfBytes.Length;
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if (System.IO.File.Exists(@"x:\file.pdf")) { System.IO.File.Delete(@"x:\file.pdf"); }
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System.IO.FileStream stream =
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new FileStream(@"x:\file.pdf", FileMode.CreateNew);
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System.IO.BinaryWriter writer =
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new BinaryWriter(stream);
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writer.Write(pdfBytes, 0, pdfBytes.Length);
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writer.Close();
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return response;
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}
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private async Task<byte[]> CallExternalPdfApi(string json)
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{
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try
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{
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APIErrorSimple apireturn = new APIErrorSimple();
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APIOK apiok = new APIOK();
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;
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string jsonstring = json;
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WebRequest request;
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var data = Encoding.UTF8.GetBytes(jsonstring);
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string OwnHost = System.Configuration.ConfigurationManager.AppSettings["OwnHost"].ToString();
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string uri = OwnHost + "/API/CreateCLM";
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request = WebRequest.Create(uri);
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request.ContentLength = data.Length;
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request.ContentType = "application/json";
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request.Method = "POST";
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request.Headers["Authorization"] = "Bearer " + "pZkuG6l6ORCEckqQimPK58PO1A9EnkMtL5oCgRX9WiWnD4xeH7ikGzhWnTBy/vk8J4Iiz8gCSx9uFHA4+DvITG0roO97sk82d/0BCjVlwLWINpXlJfGYEF3X96AdoCQvb3ruwv/tVqEHsSU5aNfyxBAe+EhLTHQ8t7ysgJZWh98=";
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using (Stream requestStream = request.GetRequestStream())
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{
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requestStream.Write(data, 0, data.Length);
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requestStream.Close();
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using (Stream responseStream = request.GetResponse().GetResponseStream())
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{
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using (var reader = new StreamReader(responseStream))
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{
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var response = reader.ReadToEnd();
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try
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{
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apiok = JsonConvert.DeserializeObject<APIOK>(response);
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var jo = JObject.Parse(response.ToString());
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return Convert.FromBase64String(apiok.file);
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}
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catch (Exception ex)
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{
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apireturn = JsonConvert.DeserializeObject<APIErrorSimple>(response);
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}
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}
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}
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}
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return null;
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}
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catch {
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byte[] pdf;
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return null;}
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// var request = (HttpWebRequest)WebRequest.Create("https://api.example.com/generate-pdf");
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//request.Method = "POST";
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//request.ContentType = "application/json";
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//byte[] payload = Encoding.UTF8.GetBytes(json);
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//request.ContentLength = payload.Length;
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//using (var stream = request.GetRequestStream())
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// stream.Write(payload, 0, payload.Length);
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//using (var response = (HttpWebResponse)request.GetResponse())
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//using (var rs = response.GetResponseStream())
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//using (var ms = new MemoryStream())
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//{
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// rs.CopyTo(ms);
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// return ms.ToArray();
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//}
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}
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}
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}
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