Implementazione recaptcha

Leonardo Vannucci

2018-08-09 b5e4a0dc28966479e0f2d5c0d69f2f38f734fee1

 dg1cloud-core/src/main/java/it/digione/dg1cloud/service/Utils.java
..
..
@@ -1,33 +1,44 @@
1
1
 package it.digione.dg1cloud.service;
2
2
 
3
3
 import java.io.File;
4
+import java.io.FileInputStream;
5
+import java.io.FileNotFoundException;
4
6
 import java.io.IOException;
5
7
 import java.net.MalformedURLException;
6
8
 import java.net.URL;
9
+
10
+import javax.servlet.ServletContext;
7
11
 
8
12
 import org.apache.commons.io.FileUtils;
9
13
 import org.apache.logging.log4j.util.Strings;
10
14
 import org.slf4j.Logger;
11
15
 import org.slf4j.LoggerFactory;
12
16
 import org.springframework.beans.factory.annotation.Autowired;
17
+import org.springframework.core.io.InputStreamResource;
18
+import org.springframework.http.HttpHeaders;
19
+import org.springframework.http.MediaType;
20
+import org.springframework.http.ResponseEntity;
13
21
 import org.springframework.stereotype.Service;
14
22
 import org.springframework.web.util.UriBuilder;
15
23
 import org.springframework.web.util.UriComponentsBuilder;
16
24
 
17
25
 import it.digione.dg1cloud.config.AppConfig;
18
26
 import it.digione.dg1cloud.model.RegDocument;
27
+import it.digione.dg1cloud.repository.RegDocumentRepository;
19
28
 
20
29
 @Service("utils")
21
30
 public class Utils {
22
31
 	
23
32
 	@Autowired private AppConfig appConfig;
33
+	@Autowired private RegDocumentRepository regDocumentRepository;
34
+	@Autowired private ServletContext servletContext;
24
35
 	
25
36
 	private static final Logger logger = LoggerFactory.getLogger(CloudService.class);
26
37
 	
27
38
 	public URL generateUrl(RegDocument regDocument) throws MalformedURLException {
28
39
 		logger.debug("Genero l'url per il record file {} con id {}", regDocument.getFileName(), regDocument.getDocumentId());
29
40
 		UriBuilder uriBuilder = UriComponentsBuilder.fromUriString(appConfig.getExternalBaseUrl());
30
-		uriBuilder.path("/downloadFile");
41
+		uriBuilder.path("/downloadPage");
31
42
 		uriBuilder.queryParam("fileName", regDocument.getFileName());
32
43
 		uriBuilder.queryParam("id", regDocument.getDocumentId());
33
44
 		if ( Strings.isEmpty(regDocument.getSecretKey()) == false ) {
..
..
@@ -53,4 +64,51 @@
53
64
 			logger.debug("La directory {} non e' vuota", directory.getAbsolutePath());
54
65
 		}
55
66
 	}
67
+	
68
+	public ResponseEntity<InputStreamResource> getDownloadResponseEntity(String fileName, long id, String secretKey)
69
+			throws FileNotFoundException {
70
+		logger.debug("Avvio download file {} con id {}", fileName, id);
71
+		
72
+		MediaType mediaType = MediaType.APPLICATION_OCTET_STREAM;
73
+		try {
74
+			mediaType = MediaType.parseMediaType(servletContext.getMimeType(fileName));
75
+		} catch (Exception e) {
76
+			logger.warn("Errore nello stabilire il mime type del file. Verrà usato " + mediaType.toString(), e);
77
+		}
78
+		
79
+		RegDocument regDocument = regDocumentRepository.getOne(id);
80
+		
81
+		if (regDocument.getFileName().equalsIgnoreCase(fileName) == false ) {
82
+			logger.error("Il nome del file richiesto non corrisponde con quello referenziato dall'id");
83
+			throw new RuntimeException("Il nome del file richiesto non corrisponde con quello referenziato dall'id");
84
+		}
85
+		
86
+		if ( regDocument.getSecretKey() != null ) {
87
+			logger.debug("E' stata specificata una secretKey. Avvio le verifiche.");
88
+			if ( Strings.isEmpty(secretKey) == true ) {
89
+				logger.error("Non e' stata inviata la secretKey");
90
+				throw new RuntimeException("Per scaricare il file occorre specificare la secretKey");
91
+			} else {
92
+				logger.debug("Controllo corrispondenza della secretKey");
93
+				if (secretKey.equals(regDocument.getSecretKey()) == false ) {
94
+					logger.error("La secretKey inviata non corrisponde a quella impostata in fase di richiesta salvataggio del file");
95
+					throw new RuntimeException("La secretKey inviata non corrisponde a quella impostata in fase di richiesta salvataggio del file");
96
+				} else {
97
+					logger.debug("SecretKey verificata correttamente");
98
+				}
99
+			}
100
+		}
101
+		
102
+		File file = new File(regDocument.getFilePath());
103
+		FileInputStream fis = new FileInputStream(file);
104
+		InputStreamResource isr = new InputStreamResource(fis);
105
+		return ResponseEntity.ok()
106
+				// Content-Disposition
107
+				.header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=" + file.getName())
108
+				// Content-Type
109
+				.contentType(mediaType)
110
+				// Contet-Length
111
+				.contentLength(file.length()) //
112
+				.body(isr);
113
+	}
56
114
 }