aboutsummaryrefslogtreecommitdiffstats
path: root/test/net/imap/test_imap.rb
blob: 35e5ed89823d8546dfc5050e44c547ba52878bcd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
# frozen_string_literal: true

require "net/imap"
require "test/unit"

class IMAPTest < Test::Unit::TestCase
  CA_FILE = File.expand_path("../fixtures/cacert.pem", __dir__)
  SERVER_KEY = File.expand_path("../fixtures/server.key", __dir__)
  SERVER_CERT = File.expand_path("../fixtures/server.crt", __dir__)

  SERVER_ADDR = "127.0.0.1"

  def setup
    @do_not_reverse_lookup = Socket.do_not_reverse_lookup
    Socket.do_not_reverse_lookup = true
    @threads = []
  end

  def teardown
    if !@threads.empty?
      assert_join_threads(@threads)
    end
  ensure
    Socket.do_not_reverse_lookup = @do_not_reverse_lookup
  end

  def test_encode_utf7
    assert_equal("foo", Net::IMAP.encode_utf7("foo"))
    assert_equal("&-", Net::IMAP.encode_utf7("&"))

    utf8 = "\357\274\241\357\274\242\357\274\243".dup.force_encoding("UTF-8")
    s = Net::IMAP.encode_utf7(utf8)
    assert_equal("&,yH,Iv8j-", s)
    s = Net::IMAP.encode_utf7("foo&#{utf8}-bar".encode("EUC-JP"))
    assert_equal("foo&-&,yH,Iv8j--bar", s)

    utf8 = "\343\201\202&".dup.force_encoding("UTF-8")
    s = Net::IMAP.encode_utf7(utf8)
    assert_equal("&MEI-&-", s)
    s = Net::IMAP.encode_utf7(utf8.encode("EUC-JP"))
    assert_equal("&MEI-&-", s)
  end

  def test_decode_utf7
    assert_equal("&", Net::IMAP.decode_utf7("&-"))
    assert_equal("&-", Net::IMAP.decode_utf7("&--"))

    s = Net::IMAP.decode_utf7("&,yH,Iv8j-")
    utf8 = "\357\274\241\357\274\242\357\274\243".dup.force_encoding("UTF-8")
    assert_equal(utf8, s)
  end

  def test_format_date
    time = Time.mktime(2009, 7, 24)
    s = Net::IMAP.format_date(time)
    assert_equal("24-Jul-2009", s)
  end

  def test_format_datetime
    time = Time.mktime(2009, 7, 24, 1, 23, 45)
    s = Net::IMAP.format_datetime(time)
    assert_match(/\A24-Jul-2009 01:23 [+\-]\d{4}\z/, s)
  end

  if defined?(OpenSSL::SSL::SSLError)
    def test_imaps_unknown_ca
      assert_raise(OpenSSL::SSL::SSLError) do
        imaps_test do |port|
          begin
            Net::IMAP.new("localhost",
                          :port => port,
                          :ssl => true)
          rescue SystemCallError
            skip $!
          end
        end
      end
    end

    def test_imaps_with_ca_file
      assert_nothing_raised do
        imaps_test do |port|
          begin
            Net::IMAP.new("localhost",
                          :port => port,
                          :ssl => { :ca_file => CA_FILE })
          rescue SystemCallError
            skip $!
          end
        end
      end
    end

    def test_imaps_verify_none
      assert_nothing_raised do
        imaps_test do |port|
          Net::IMAP.new(SERVER_ADDR,
                        :port => port,
                        :ssl => { :verify_mode => OpenSSL::SSL::VERIFY_NONE })
        end
      end
    end

    def test_imaps_post_connection_check
      assert_raise(OpenSSL::SSL::SSLError) do
        imaps_test do |port|
          # SERVER_ADDR is different from the hostname in the certificate,
          # so the following code should raise a SSLError.
          Net::IMAP.new(SERVER_ADDR,
                        :port => port,
                        :ssl => { :ca_file => CA_FILE })
        end
      end
    end
  end

  if defined?(OpenSSL::SSL)
    def test_starttls
      imap = nil
      starttls_test do |port|
        imap = Net::IMAP.new("localhost", :port => port)
        imap.starttls(:ca_file => CA_FILE)
        imap
      end
    rescue SystemCallError
      skip $!
    ensure
      if imap && !imap.disconnected?
        imap.disconnect
      end
    end
  end

  def test_unexpected_eof
    server = create_tcp_server
    port = server.addr[1]
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
        sock.gets
#       sock.print("* BYE terminating connection\r\n")
#       sock.print("RUBY0001 OK LOGOUT completed\r\n")
      ensure
        sock.close
        server.close
      end
    end
    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      assert_raise(EOFError) do
        imap.logout
      end
    ensure
      imap.disconnect if imap
    end
  end

  def test_idle
    server = create_tcp_server
    port = server.addr[1]
    requests = []
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
        requests.push(sock.gets)
        sock.print("+ idling\r\n")
        sock.print("* 3 EXISTS\r\n")
        sock.print("* 2 EXPUNGE\r\n")
        requests.push(sock.gets)
        sock.print("RUBY0001 OK IDLE terminated\r\n")
        sock.gets
        sock.print("* BYE terminating connection\r\n")
        sock.print("RUBY0002 OK LOGOUT completed\r\n")
      ensure
        sock.close
        server.close
      end
    end

    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      responses = []
      imap.idle do |res|
        responses.push(res)
        if res.name == "EXPUNGE"
          imap.idle_done
        end
      end
      assert_equal(3, responses.length)
      assert_instance_of(Net::IMAP::ContinuationRequest, responses[0])
      assert_equal("EXISTS", responses[1].name)
      assert_equal(3, responses[1].data)
      assert_equal("EXPUNGE", responses[2].name)
      assert_equal(2, responses[2].data)
      assert_equal(2, requests.length)
      assert_equal("RUBY0001 IDLE\r\n", requests[0])
      assert_equal("DONE\r\n", requests[1])
      imap.logout
    ensure
      imap.disconnect if imap
    end
  end

  def test_exception_during_idle
    server = create_tcp_server
    port = server.addr[1]
    requests = []
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
        requests.push(sock.gets)
        sock.print("+ idling\r\n")
        sock.print("* 3 EXISTS\r\n")
        sock.print("* 2 EXPUNGE\r\n")
        requests.push(sock.gets)
        sock.print("RUBY0001 OK IDLE terminated\r\n")
        sock.gets
        sock.print("* BYE terminating connection\r\n")
        sock.print("RUBY0002 OK LOGOUT completed\r\n")
      ensure
        sock.close
        server.close
      end
    end
    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      begin
        th = Thread.current
        m = Monitor.new
        in_idle = false
        exception_raised = false
        c = m.new_cond
        @threads << Thread.start do
          m.synchronize do
            until in_idle
              c.wait(0.1)
            end
          end
          th.raise(Interrupt)
          exception_raised = true
        end
        imap.idle do |res|
          m.synchronize do
            in_idle = true
            c.signal
            until exception_raised
              c.wait(0.1)
            end
          end
        end
      rescue Interrupt
      end
      assert_equal(2, requests.length)
      assert_equal("RUBY0001 IDLE\r\n", requests[0])
      assert_equal("DONE\r\n", requests[1])
      imap.logout
    ensure
      imap.disconnect if imap
    end
  end

  def test_idle_done_not_during_idle
    server = create_tcp_server
    port = server.addr[1]
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
      ensure
        sock.close
        server.close
      end
    end
    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      assert_raise(Net::IMAP::Error) do
        imap.idle_done
      end
    ensure
      imap.disconnect if imap
    end
  end

  def test_idle_timeout
    server = create_tcp_server
    port = server.addr[1]
    requests = []
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
        requests.push(sock.gets)
        sock.print("+ idling\r\n")
        sock.print("* 3 EXISTS\r\n")
        sock.print("* 2 EXPUNGE\r\n")
        requests.push(sock.gets)
        sock.print("RUBY0001 OK IDLE terminated\r\n")
        sock.gets
        sock.print("* BYE terminating connection\r\n")
        sock.print("RUBY0002 OK LOGOUT completed\r\n")
      ensure
        sock.close
        server.close
      end
    end

    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      responses = []
      Thread.pass
      imap.idle(0.2) do |res|
        responses.push(res)
      end
      # There is no gurantee that this thread has received all the responses,
      # so check the response length.
      if responses.length > 0
        assert_instance_of(Net::IMAP::ContinuationRequest, responses[0])
        if responses.length > 1
          assert_equal("EXISTS", responses[1].name)
          assert_equal(3, responses[1].data)
          if responses.length > 2
            assert_equal("EXPUNGE", responses[2].name)
            assert_equal(2, responses[2].data)
          end
        end
      end
      # Also, there is no gurantee that the server thread has stored
      # all the requests into the array, so check the length.
      if requests.length > 0
        assert_equal("RUBY0001 IDLE\r\n", requests[0])
        if requests.length > 1
          assert_equal("DONE\r\n", requests[1])
        end
      end
      imap.logout
    ensure
      imap.disconnect if imap
    end
  end

  def test_unexpected_bye
    server = create_tcp_server
    port = server.addr[1]
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK Gimap ready for requests from 75.101.246.151 33if2752585qyk.26\r\n")
        sock.gets
        sock.print("* BYE System Error 33if2752585qyk.26\r\n")
      ensure
        sock.close
        server.close
      end
    end
    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      assert_raise(Net::IMAP::ByeResponseError) do
        imap.login("user", "password")
      end
    end
  end

  def test_exception_during_shutdown
    server = create_tcp_server
    port = server.addr[1]
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
        sock.gets
        sock.print("* BYE terminating connection\r\n")
        sock.print("RUBY0001 OK LOGOUT completed\r\n")
      ensure
        sock.close
        server.close
      end
    end
    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      imap.instance_eval do
        def @sock.shutdown(*args)
          super
        ensure
          raise "error"
        end
      end
      imap.logout
    ensure
      assert_raise(RuntimeError) do
        imap.disconnect
      end
    end
  end

  def test_connection_closed_during_idle
    server = create_tcp_server
    port = server.addr[1]
    requests = []
    sock = nil
    threads = []
    threads << Thread.start do
      begin
        sock = server.accept
        sock.print("* OK test server\r\n")
        requests.push(sock.gets)
        sock.print("+ idling\r\n")
      rescue IOError # sock is closed by another thread
      ensure
        server.close
      end
    end
    threads << Thread.start do
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      begin
        m = Monitor.new
        in_idle = false
        exception_raised = false
        c = m.new_cond
        threads << Thread.start do
          m.synchronize do
            until in_idle
              c.wait(0.1)
            end
          end
          sock.close
          exception_raised = true
        end
        assert_raise(Net::IMAP::Error) do
          imap.idle do |res|
            m.synchronize do
              in_idle = true
              c.signal
              until exception_raised
                c.wait(0.1)
              end
            end
          end
        end
        assert_equal(1, requests.length)
        assert_equal("RUBY0001 IDLE\r\n", requests[0])
      ensure
        imap.disconnect if imap
      end
    end
    assert_join_threads(threads)
  ensure
    if sock && !sock.closed?
      sock.close
    end
  end

  def test_connection_closed_without_greeting
    server = create_tcp_server
    port = server.addr[1]
    @threads << Thread.start do
      begin
        sock = server.accept
        sock.close
      ensure
        server.close
      end
    end
    assert_raise(Net::IMAP::Error) do
      Net::IMAP.new(SERVER_ADDR, :port => port)
    end
  end

  def test_default_port
    assert_equal(143, Net::IMAP.default_port)
    assert_equal(143, Net::IMAP.default_imap_port)
    assert_equal(993, Net::IMAP.default_tls_port)
    assert_equal(993, Net::IMAP.default_ssl_port)
    assert_equal(993, Net::IMAP.default_imaps_port)
  end

  def test_send_invalid_number
    server = create_tcp_server
    port = server.addr[1]
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
        sock.gets
        sock.print("RUBY0001 OK TEST completed\r\n")
        sock.gets
        sock.print("RUBY0002 OK TEST completed\r\n")
        sock.gets
        sock.print("RUBY0003 OK TEST completed\r\n")
        sock.gets
        sock.print("RUBY0004 OK TEST completed\r\n")
        sock.gets
        sock.print("* BYE terminating connection\r\n")
        sock.print("RUBY0005 OK LOGOUT completed\r\n")
      ensure
        sock.close
        server.close
      end
    end
    begin
      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
      assert_raise(Net::IMAP::DataFormatError) do
        imap.send(:send_command, "TEST", -1)
      end
      imap.send(:send_command, "TEST", 0)
      imap.send(:send_command, "TEST", 4294967295)
      assert_raise(Net::IMAP::DataFormatError) do
        imap.send(:send_command, "TEST", 4294967296)
      end
      assert_raise(Net::IMAP::DataFormatError) do
        imap.send(:send_command, "TEST", Net::IMAP::MessageSet.new(-1))
      end
      assert_raise(Net::IMAP::DataFormatError) do
        imap.send(:send_command, "TEST", Net::IMAP::MessageSet.new(0))
      end
      imap.send(:send_command, "TEST", Net::IMAP::MessageSet.new(1))
      imap.send(:send_command, "TEST", Net::IMAP::MessageSet.new(4294967295))
      assert_raise(Net::IMAP::DataFormatError) do
        imap.send(:send_command, "TEST", Net::IMAP::MessageSet.new(4294967296))
      end
      imap.logout
    ensure
      imap.disconnect
    end
  end

  private

  def imaps_test
    server = create_tcp_server
    port = server.addr[1]
    ctx = OpenSSL::SSL::SSLContext.new
    ctx.ca_file = CA_FILE
    ctx.key = File.open(SERVER_KEY) { |f|
      OpenSSL::PKey::RSA.new(f)
    }
    ctx.cert = File.open(SERVER_CERT) { |f|
      OpenSSL::X509::Certificate.new(f)
    }
    ssl_server = OpenSSL::SSL::SSLServer.new(server, ctx)
    ths = Thread.start do
      begin
        sock = ssl_server.accept
        begin
          sock.print("* OK test server\r\n")
          sock.gets
          sock.print("* BYE terminating connection\r\n")
          sock.print("RUBY0001 OK LOGOUT completed\r\n")
        ensure
          sock.close
        end
      rescue Errno::EPIPE, Errno::ECONNRESET, Errno::ECONNABORTED
      end
    end
    begin
      begin
        imap = yield(port)
        imap.logout
      ensure
        imap.disconnect if imap
      end
    ensure
      ssl_server.close
      ths.join
    end
  end

  def starttls_test
    server = create_tcp_server
    port = server.addr[1]
    @threads << Thread.start do
      sock = server.accept
      begin
        sock.print("* OK test server\r\n")
        sock.gets
        sock.print("RUBY0001 OK completed\r\n")
        ctx = OpenSSL::SSL::SSLContext.new
        ctx.ca_file = CA_FILE
        ctx.key = File.open(SERVER_KEY) { |f|
          OpenSSL::PKey::RSA.new(f)
        }
        ctx.cert = File.open(SERVER_CERT) { |f|
          OpenSSL::X509::Certificate.new(f)
        }
        sock = OpenSSL::SSL::SSLSocket.new(sock, ctx)
        sock.sync_close = true
        sock.accept
        sock.gets
        sock.print("* BYE terminating connection\r\n")
        sock.print("RUBY0002 OK LOGOUT completed\r\n")
      ensure
        sock.close
        server.close
      end
    end
    begin
      imap = yield(port)
      imap.logout if !imap.disconnected?
    ensure
      imap.disconnect if imap && !imap.disconnected?
    end
  end

  def create_tcp_server
    return TCPServer.new(SERVER_ADDR, 0)
  end
end