org.argeo.cms/src/org/argeo/cms/dav/DavClient.java

   1 package org.argeo.cms.dav;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.net.Authenticator;
   6 import java.net.PasswordAuthentication;
   7 import java.net.URI;
   8 import java.net.http.HttpClient;
   9 import java.net.http.HttpRequest;
  10 import java.net.http.HttpRequest.BodyPublishers;
  11 import java.net.http.HttpResponse;
  12 import java.net.http.HttpResponse.BodyHandler;
  13 import java.net.http.HttpResponse.BodyHandlers;
  14 import java.util.Iterator;
  15
  16 import javax.xml.namespace.QName;
  17
  18 import org.argeo.util.http.HttpResponseStatus;
  19
  20 public class DavClient {
  21
  22         private HttpClient httpClient;
  23
  24         public DavClient() {
  25                 httpClient = HttpClient.newBuilder() //
  26 //                              .sslContext(insecureContext()) //
  27                                 .version(HttpClient.Version.HTTP_1_1) //
  28 //                              .authenticator(new Authenticator() {
  29 //
  30 //                                      @Override
  31 //                                      protected PasswordAuthentication getPasswordAuthentication() {
  32 //                                              return new PasswordAuthentication("root", "demo".toCharArray());
  33 //                                      }
  34 //
  35 //                              }) //
  36                                 .build();
  37         }
  38
  39         public void setProperty(String url, QName key, String value) {
  40                 try {
  41                         String body = """
  42                                         <?xml version="1.0" encoding="utf-8" ?>
  43                                         <D:propertyupdate xmlns:D="DAV:"
  44                                         """ //
  45                                         + "xmlns:" + key.getPrefix() + "=\"" + key.getNamespaceURI() + "\">" + //
  46                                         """
  47                                                                 <D:set>
  48                                                                         <D:prop>
  49                                                         """ //
  50                                         + "<" + key.getPrefix() + ":" + key.getLocalPart() + ">" + value + "</" + key.getPrefix() + ":"
  51                                         + key.getLocalPart() + ">" + //
  52                                         """
  53                                                                         </D:prop>
  54                                                                 </D:set>
  55                                                         </D:propertyupdate>
  56                                                         """;
  57                         System.out.println(body);
  58                         HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)) //
  59                                         .header("Depth", "1") //
  60                                         .method(DavMethod.PROPPATCH.name(), BodyPublishers.ofString(body)) //
  61                                         .build();
  62                         BodyHandler<String> bodyHandler = BodyHandlers.ofString();
  63                         HttpResponse<String> response = httpClient.send(request, bodyHandler);
  64                         System.out.println(response.body());
  65                 } catch (IOException | InterruptedException e) {
  66                         // TODO Auto-generated catch block
  67                         e.printStackTrace();
  68                 }
  69         }
  70
  71         public Iterator<DavResponse> listChildren(URI uri) {
  72                 try {
  73                         String body = """
  74                                         <?xml version="1.0" encoding="utf-8" ?>
  75                                         <D:propfind xmlns:D="DAV:">
  76                                           <D:propname/>
  77                                         </D:propfind>""";
  78                         HttpRequest request = HttpRequest.newBuilder().uri(uri) //
  79                                         .header(DavHeader.DEPTH.getHeaderName(), DavDepth.DEPTH_1.getValue()) //
  80                                         .method(DavMethod.PROPFIND.name(), BodyPublishers.ofString(body)) //
  81                                         .build();
  82
  83                         HttpResponse<String> responseStr = httpClient.send(request, BodyHandlers.ofString());
  84                         System.out.println(responseStr.body());
  85
  86                         HttpResponse<InputStream> response = httpClient.send(request, BodyHandlers.ofInputStream());
  87                         MultiStatusReader msReader = new MultiStatusReader(response.body(), uri.getPath());
  88                         return msReader;
  89                 } catch (IOException | InterruptedException e) {
  90                         throw new IllegalStateException("Cannot list children of " + uri, e);
  91                 }
  92
  93         }
  94
  95         public boolean exists(URI uri) {
  96                 try {
  97                         HttpRequest request = HttpRequest.newBuilder().uri(uri) //
  98                                         .header(DavHeader.DEPTH.getHeaderName(), DavDepth.DEPTH_0.getValue()) //
  99                                         .method(DavMethod.HEAD.name(), BodyPublishers.noBody()) //
 100                                         .build();
 101                         BodyHandler<String> bodyHandler = BodyHandlers.ofString();
 102                         HttpResponse<String> response = httpClient.send(request, bodyHandler);
 103                         System.out.println(response.body());
 104                         int responseStatusCode = response.statusCode();
 105                         if (responseStatusCode == HttpResponseStatus.NOT_FOUND.getCode())
 106                                 return false;
 107                         if (responseStatusCode >= 200 && responseStatusCode < 300)
 108                                 return true;
 109                         throw new IllegalStateException(
 110                                         "Cannot check whether " + uri + " exists: Unknown response status code " + responseStatusCode);
 111                 } catch (IOException | InterruptedException e) {
 112                         throw new IllegalStateException("Cannot check whether " + uri + " exists", e);
 113                 }
 114
 115         }
 116
 117         public DavResponse get(URI uri) {
 118                 try {
 119                         String body = """
 120                                         <?xml version="1.0" encoding="utf-8" ?>
 121                                         <D:propfind xmlns:D="DAV:">
 122                                           <D:allprop/>
 123                                         </D:propfind>""";
 124                         HttpRequest request = HttpRequest.newBuilder().uri(uri) //
 125                                         .header(DavHeader.DEPTH.getHeaderName(), DavDepth.DEPTH_0.getValue()) //
 126                                         .method(DavMethod.PROPFIND.name(), BodyPublishers.ofString(body)) //
 127                                         .build();
 128
 129 //                      HttpResponse<String> responseStr = httpClient.send(request, BodyHandlers.ofString());
 130 //                      System.out.println(responseStr.body());
 131
 132                         HttpResponse<InputStream> response = httpClient.send(request, BodyHandlers.ofInputStream());
 133                         MultiStatusReader msReader = new MultiStatusReader(response.body());
 134                         if (!msReader.hasNext())
 135                                 throw new IllegalArgumentException(uri + " does not exist");
 136                         return msReader.next();
 137                 } catch (IOException | InterruptedException e) {
 138                         throw new IllegalStateException("Cannot list children of " + uri, e);
 139                 }
 140
 141         }
 142
 143         public static void main(String[] args) {
 144                 DavClient davClient = new DavClient();
 145 //              Iterator<DavResponse> responses = davClient
 146 //                              .listChildren(URI.create("http://localhost/unstable/a2/org.argeo.tp.sdk/"));
 147                 Iterator<DavResponse> responses = davClient
 148                                 .listChildren(URI.create("http://root:demo@localhost:7070/api/acr/srv/example"));
 149                 while (responses.hasNext()) {
 150                         DavResponse response = responses.next();
 151                         System.out.println(response.getHref() + (response.isCollection() ? " (collection)" : ""));
 152                         System.out.println("  " + response.getPropertyNames());
 153
 154                 }
 155 //              davClient.setProperty("http://localhost/unstable/a2/org.argeo.tp.sdk/org.opentest4j.1.2.jar",
 156 //                              CrName.uuid.qName(), UUID.randomUUID().toString());
 157
 158         }
 159
 160 }