HTTP file upload server (works) [1000842]

!752

static int port = 8888;

static MyHTTPD server;
static Object onClient; // should implement GF

// Generic function interface
static interface GF {
  Object run(Object... args);
}

psvm {
  start();
  sleep();
}

static void start() ctex {
  // Android: Make NanoHTTPD store temp files on the right drive
  if (isAndroid()) {
    S dir = getProgramDir().getAbsolutePath();
    System.setProperty("java.io.tmpdir", dir);
    print("Using temp dir " + dir);
  }
  
  server = new MyHTTPD(port);
  server.start();
  System.out.println("HTTP server started (port " + port + ", file upload)");
  printMyIPs();
}

static File saveUploadedFile(File tmpfile, String originalName) ctex {
  File file = new File(userHome(), "JavaX-Uploads/" + sanitizeFileName(originalName));
  mkdirsForFile(file);
  /*if (!tmpfile.renameTo(file))
    fail("Cannot rename " + tmpfile.getAbsolutePath() + " to " + file.getAbsolutePath());*/
  print("File length: " + tmpfile.length());
  copyFile(tmpfile, file);
  return file;
}

static String sanitizeFileName(String s) {
  return s.replaceAll("[^a-zA-Z0-9\\-_\\. ]", "");
}

static class MyHTTPD extends NanoHTTPD {

  public MyHTTPD(int port) throws IOException {
      super(port);
  }

  public Response serve(final String uri, final Method method,
          final Map<String, String> header, final Map<String, String> parms,
          final Map<String, String> files )
  {
      try {
      
      thread {
        if (onClient != null)
          call(onClient, "run", new Object[] {new Object[] {uri, method, header, parms, files}});
      }
      
      System.out.println( method + " '" + uri + "' " );
      
      if (uri.equals("/upload")) {
        String tmpfile = files.get("file");
        String originalName = parms.get("file");
        bool test = nempty(parms.get("test"));
        
        S msg;
        if (test)
          msg = originalName + " would be uploaded from " + tmpfile;
        else {
          File file = main.saveUploadedFile(new File(tmpfile), originalName);

          msg = originalName + " uploaded as " + file.getAbsolutePath() + ", thank you.";
        }
        
        print(msg);
        return newFixedLengthResponse(msg);
        
      } else {
        String msg = "<html><body><h1>Upload server</h1>\n";
       
        msg += [[ 
<form method="post" enctype="multipart/form-data" action="upload">
    <input type="file" name="file" />
    <br>
    <input type="submit" value="Send" />
    <br>
    <input type="checkbox" name="test" />Test mode
    <br>
</form>
]];

        msg += "</body></html>\n";
        return newFixedLengthResponse(msg);
      }
    } catch (Throwable e) {
      e.printStackTrace();
      return newFixedLengthResponse(e.toString());
    }
  }
}

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1	!752
2
3	static int port = 8888;
4
5	static MyHTTPD server;
6	static Object onClient; // should implement GF
7
8	// Generic function interface
9	static interface GF {
10	Object run(Object... args);
11	}
12
13	psvm {
14	start();
15	sleep();
16	}
17
18	static void start() ctex {
19	// Android: Make NanoHTTPD store temp files on the right drive
20	if (isAndroid()) {
21	S dir = getProgramDir().getAbsolutePath();
22	System.setProperty("java.io.tmpdir", dir);
23	print("Using temp dir " + dir);
24	}
25
26	server = new MyHTTPD(port);
27	server.start();
28	System.out.println("HTTP server started (port " + port + ", file upload)");
29	printMyIPs();
30	}
31
32	static File saveUploadedFile(File tmpfile, String originalName) ctex {
33	File file = new File(userHome(), "JavaX-Uploads/" + sanitizeFileName(originalName));
34	mkdirsForFile(file);
35	/*if (!tmpfile.renameTo(file))
36	fail("Cannot rename " + tmpfile.getAbsolutePath() + " to " + file.getAbsolutePath());*/
37	print("File length: " + tmpfile.length());
38	copyFile(tmpfile, file);
39	return file;
40	}
41
42	static String sanitizeFileName(String s) {
43	return s.replaceAll("[^a-zA-Z0-9\\-_\\. ]", "");
44	}
45
46	static class MyHTTPD extends NanoHTTPD {
47
48	public MyHTTPD(int port) throws IOException {
49	super(port);
50	}
51
52	public Response serve(final String uri, final Method method,
53	final Map<String, String> header, final Map<String, String> parms,
54	final Map<String, String> files )
55	{
56	try {
57
58	thread {
59	if (onClient != null)
60	call(onClient, "run", new Object[] {new Object[] {uri, method, header, parms, files}});
61	}
62
63	System.out.println( method + " '" + uri + "' " );
64
65	if (uri.equals("/upload")) {
66	String tmpfile = files.get("file");
67	String originalName = parms.get("file");
68	bool test = nempty(parms.get("test"));
69
70	S msg;
71	if (test)
72	msg = originalName + " would be uploaded from " + tmpfile;
73	else {
74	File file = main.saveUploadedFile(new File(tmpfile), originalName);
75
76	msg = originalName + " uploaded as " + file.getAbsolutePath() + ", thank you.";
77	}
78
79	print(msg);
80	return newFixedLengthResponse(msg);
81
82	} else {
83	String msg = "<html><body><h1>Upload server</h1>\n";
84
85	msg += [[
86	<form method="post" enctype="multipart/form-data" action="upload">
87	<input type="file" name="file" />
88	<br>
89	<input type="submit" value="Send" />
90	<br>
91	<input type="checkbox" name="test" />Test mode
92	<br>
93	</form>
94	]];
95
96	msg += "</body></html>\n";
97	return newFixedLengthResponse(msg);
98	}
99	} catch (Throwable e) {
100	e.printStackTrace();
101	return newFixedLengthResponse(e.toString());
102	}
103	}
104	}

Snippet ID:	#1000842
Snippet name:	HTTP file upload server (works)
Eternal ID of this version:	#1000842/1
Text MD5:	e57b59f93543a079721305943dc8c6fe
Transpilation MD5:	b912565c30fabfba0af368069f3f9a76
Author:	stefan
Category:	javax android
Type:	JavaX source code (Android)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2016-08-17 22:37:14
Source code size:	2860 bytes / 104 lines
Pitched / IR pitched:	No / No
Views / Downloads:	948 / 1706
Referenced in:	[show references]

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JavaX source code (Android) [tags: use-pretranspiled] - run with: the app

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