forked from yhirose/cpp-httplib
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathhttplib.h
10398 lines (8768 loc) · 342 KB
/
httplib.h
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
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//
// httplib.h
//
// Copyright (c) 2025 Yuji Hirose. All rights reserved.
// MIT License
//
#ifndef CPPHTTPLIB_HTTPLIB_H
#define CPPHTTPLIB_HTTPLIB_H
#define CPPHTTPLIB_VERSION "0.19.0"
/*
* Configuration
*/
#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND
#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_CHECK_INTERVAL_USECOND
#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_CHECK_INTERVAL_USECOND 10000
#endif
#ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT
#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 100
#endif
#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND
#define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300
#endif
#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND
#define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_SERVER_READ_TIMEOUT_SECOND
#define CPPHTTPLIB_SERVER_READ_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_SERVER_READ_TIMEOUT_USECOND
#define CPPHTTPLIB_SERVER_READ_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_SERVER_WRITE_TIMEOUT_SECOND
#define CPPHTTPLIB_SERVER_WRITE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_SERVER_WRITE_TIMEOUT_USECOND
#define CPPHTTPLIB_SERVER_WRITE_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_CLIENT_READ_TIMEOUT_SECOND
#define CPPHTTPLIB_CLIENT_READ_TIMEOUT_SECOND 300
#endif
#ifndef CPPHTTPLIB_CLIENT_READ_TIMEOUT_USECOND
#define CPPHTTPLIB_CLIENT_READ_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_SECOND
#define CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_USECOND
#define CPPHTTPLIB_CLIENT_WRITE_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_CLIENT_MAX_TIMEOUT_MSECOND
#define CPPHTTPLIB_CLIENT_MAX_TIMEOUT_MSECOND 0
#endif
#ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND
#define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0
#endif
#ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND
#ifdef _WIN32
#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 10000
#else
#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0
#endif
#endif
#ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH
#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_HEADER_MAX_LENGTH
#define CPPHTTPLIB_HEADER_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT
#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20
#endif
#ifndef CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT
#define CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT 1024
#endif
#ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH
#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits<size_t>::max)())
#endif
#ifndef CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH
#define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_RANGE_MAX_COUNT
#define CPPHTTPLIB_RANGE_MAX_COUNT 1024
#endif
#ifndef CPPHTTPLIB_TCP_NODELAY
#define CPPHTTPLIB_TCP_NODELAY false
#endif
#ifndef CPPHTTPLIB_IPV6_V6ONLY
#define CPPHTTPLIB_IPV6_V6ONLY false
#endif
#ifndef CPPHTTPLIB_RECV_BUFSIZ
#define CPPHTTPLIB_RECV_BUFSIZ size_t(16384u)
#endif
#ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ
#define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u)
#endif
#ifndef CPPHTTPLIB_THREAD_POOL_COUNT
#define CPPHTTPLIB_THREAD_POOL_COUNT \
((std::max)(8u, std::thread::hardware_concurrency() > 0 \
? std::thread::hardware_concurrency() - 1 \
: 0))
#endif
#ifndef CPPHTTPLIB_RECV_FLAGS
#define CPPHTTPLIB_RECV_FLAGS 0
#endif
#ifndef CPPHTTPLIB_SEND_FLAGS
#define CPPHTTPLIB_SEND_FLAGS 0
#endif
#ifndef CPPHTTPLIB_LISTEN_BACKLOG
#define CPPHTTPLIB_LISTEN_BACKLOG 5
#endif
#ifndef CPPHTTPLIB_DEFINE_STATIC
#ifdef CPPHTTPLIB_NO_EXIT_TIME_DESTRUCTORS
#define CPPHTTPLIB_DEFINE_STATIC(var_type, var, init) \
static var_type &var = *new typename std::remove_cv<var_type>::type init
#else
#define CPPHTTPLIB_DEFINE_STATIC(var_type, var, init) \
static var_type var = typename std::remove_cv<var_type>::type init
#endif
#endif
/*
* Headers
*/
#ifdef _WIN32
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif //_CRT_SECURE_NO_WARNINGS
#ifndef _CRT_NONSTDC_NO_DEPRECATE
#define _CRT_NONSTDC_NO_DEPRECATE
#endif //_CRT_NONSTDC_NO_DEPRECATE
#if defined(_MSC_VER)
#if _MSC_VER < 1900
#error Sorry, Visual Studio versions prior to 2015 are not supported
#endif
#pragma comment(lib, "ws2_32.lib")
#ifdef _WIN64
using ssize_t = __int64;
#else
using ssize_t = long;
#endif
#endif // _MSC_VER
#ifndef S_ISREG
#define S_ISREG(m) (((m) & S_IFREG) == S_IFREG)
#endif // S_ISREG
#ifndef S_ISDIR
#define S_ISDIR(m) (((m) & S_IFDIR) == S_IFDIR)
#endif // S_ISDIR
#ifndef NOMINMAX
#define NOMINMAX
#endif // NOMINMAX
#include <io.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#ifndef WSA_FLAG_NO_HANDLE_INHERIT
#define WSA_FLAG_NO_HANDLE_INHERIT 0x80
#endif
using nfds_t = unsigned long;
using socket_t = SOCKET;
using socklen_t = int;
#else // not _WIN32
#include <arpa/inet.h>
#if !defined(_AIX) && !defined(__MVS__)
#include <ifaddrs.h>
#endif
#ifdef __MVS__
#include <strings.h>
#ifndef NI_MAXHOST
#define NI_MAXHOST 1025
#endif
#endif
#include <net/if.h>
#include <netdb.h>
#include <netinet/in.h>
#ifdef __linux__
#include <resolv.h>
#endif
#include <csignal>
#include <netinet/tcp.h>
#include <poll.h>
#include <pthread.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
using socket_t = int;
#ifndef INVALID_SOCKET
#define INVALID_SOCKET (-1)
#endif
#endif //_WIN32
#include <algorithm>
#include <array>
#include <atomic>
#include <cassert>
#include <cctype>
#include <climits>
#include <condition_variable>
#include <cstring>
#include <errno.h>
#include <exception>
#include <fcntl.h>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <mutex>
#include <random>
#include <regex>
#include <set>
#include <sstream>
#include <string>
#include <sys/stat.h>
#include <thread>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
#ifdef _WIN32
#include <wincrypt.h>
// these are defined in wincrypt.h and it breaks compilation if BoringSSL is
// used
#undef X509_NAME
#undef X509_CERT_PAIR
#undef X509_EXTENSIONS
#undef PKCS7_SIGNER_INFO
#ifdef _MSC_VER
#pragma comment(lib, "crypt32.lib")
#endif
#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__)
#include <TargetConditionals.h>
#if TARGET_OS_OSX
#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
#endif // TARGET_OS_OSX
#endif // _WIN32
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
#include <openssl/x509v3.h>
#if defined(_WIN32) && defined(OPENSSL_USE_APPLINK)
#include <openssl/applink.c>
#endif
#include <iostream>
#include <sstream>
#if defined(OPENSSL_IS_BORINGSSL) || defined(LIBRESSL_VERSION_NUMBER)
#if OPENSSL_VERSION_NUMBER < 0x1010107f
#error Please use OpenSSL or a current version of BoringSSL
#endif
#define SSL_get1_peer_certificate SSL_get_peer_certificate
#elif OPENSSL_VERSION_NUMBER < 0x30000000L
#error Sorry, OpenSSL versions prior to 3.0.0 are not supported
#endif
#endif
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
#include <zlib.h>
#endif
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
#include <brotli/decode.h>
#include <brotli/encode.h>
#endif
/*
* Declaration
*/
namespace httplib {
namespace detail {
/*
* Backport std::make_unique from C++14.
*
* NOTE: This code came up with the following stackoverflow post:
* https://stackoverflow.com/questions/10149840/c-arrays-and-make-unique
*
*/
template <class T, class... Args>
typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
make_unique(Args &&...args) {
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
template <class T>
typename std::enable_if<std::is_array<T>::value, std::unique_ptr<T>>::type
make_unique(std::size_t n) {
typedef typename std::remove_extent<T>::type RT;
return std::unique_ptr<T>(new RT[n]);
}
namespace case_ignore {
inline unsigned char to_lower(int c) {
const static unsigned char table[256] = {
0, 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, 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, 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, 224, 225, 226,
227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
242, 243, 244, 245, 246, 215, 248, 249, 250, 251, 252, 253, 254, 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,
};
return table[(unsigned char)(char)c];
}
inline bool equal(const std::string &a, const std::string &b) {
return a.size() == b.size() &&
std::equal(a.begin(), a.end(), b.begin(), [](char ca, char cb) {
return to_lower(ca) == to_lower(cb);
});
}
struct equal_to {
bool operator()(const std::string &a, const std::string &b) const {
return equal(a, b);
}
};
struct hash {
size_t operator()(const std::string &key) const {
return hash_core(key.data(), key.size(), 0);
}
size_t hash_core(const char *s, size_t l, size_t h) const {
return (l == 0) ? h
: hash_core(s + 1, l - 1,
// Unsets the 6 high bits of h, therefore no
// overflow happens
(((std::numeric_limits<size_t>::max)() >> 6) &
h * 33) ^
static_cast<unsigned char>(to_lower(*s)));
}
};
} // namespace case_ignore
// This is based on
// "http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4189".
struct scope_exit {
explicit scope_exit(std::function<void(void)> &&f)
: exit_function(std::move(f)), execute_on_destruction{true} {}
scope_exit(scope_exit &&rhs) noexcept
: exit_function(std::move(rhs.exit_function)),
execute_on_destruction{rhs.execute_on_destruction} {
rhs.release();
}
~scope_exit() {
if (execute_on_destruction) { this->exit_function(); }
}
void release() { this->execute_on_destruction = false; }
private:
scope_exit(const scope_exit &) = delete;
void operator=(const scope_exit &) = delete;
scope_exit &operator=(scope_exit &&) = delete;
std::function<void(void)> exit_function;
bool execute_on_destruction;
};
} // namespace detail
enum SSLVerifierResponse {
// no decision has been made, use the built-in certificate verifier
NoDecisionMade,
// connection certificate is verified and accepted
CertificateAccepted,
// connection certificate was processed but is rejected
CertificateRejected
};
enum StatusCode {
// Information responses
Continue_100 = 100,
SwitchingProtocol_101 = 101,
Processing_102 = 102,
EarlyHints_103 = 103,
// Successful responses
OK_200 = 200,
Created_201 = 201,
Accepted_202 = 202,
NonAuthoritativeInformation_203 = 203,
NoContent_204 = 204,
ResetContent_205 = 205,
PartialContent_206 = 206,
MultiStatus_207 = 207,
AlreadyReported_208 = 208,
IMUsed_226 = 226,
// Redirection messages
MultipleChoices_300 = 300,
MovedPermanently_301 = 301,
Found_302 = 302,
SeeOther_303 = 303,
NotModified_304 = 304,
UseProxy_305 = 305,
unused_306 = 306,
TemporaryRedirect_307 = 307,
PermanentRedirect_308 = 308,
// Client error responses
BadRequest_400 = 400,
Unauthorized_401 = 401,
PaymentRequired_402 = 402,
Forbidden_403 = 403,
NotFound_404 = 404,
MethodNotAllowed_405 = 405,
NotAcceptable_406 = 406,
ProxyAuthenticationRequired_407 = 407,
RequestTimeout_408 = 408,
Conflict_409 = 409,
Gone_410 = 410,
LengthRequired_411 = 411,
PreconditionFailed_412 = 412,
PayloadTooLarge_413 = 413,
UriTooLong_414 = 414,
UnsupportedMediaType_415 = 415,
RangeNotSatisfiable_416 = 416,
ExpectationFailed_417 = 417,
ImATeapot_418 = 418,
MisdirectedRequest_421 = 421,
UnprocessableContent_422 = 422,
Locked_423 = 423,
FailedDependency_424 = 424,
TooEarly_425 = 425,
UpgradeRequired_426 = 426,
PreconditionRequired_428 = 428,
TooManyRequests_429 = 429,
RequestHeaderFieldsTooLarge_431 = 431,
UnavailableForLegalReasons_451 = 451,
// Server error responses
InternalServerError_500 = 500,
NotImplemented_501 = 501,
BadGateway_502 = 502,
ServiceUnavailable_503 = 503,
GatewayTimeout_504 = 504,
HttpVersionNotSupported_505 = 505,
VariantAlsoNegotiates_506 = 506,
InsufficientStorage_507 = 507,
LoopDetected_508 = 508,
NotExtended_510 = 510,
NetworkAuthenticationRequired_511 = 511,
};
using Headers =
std::unordered_multimap<std::string, std::string, detail::case_ignore::hash,
detail::case_ignore::equal_to>;
using Params = std::multimap<std::string, std::string>;
using Match = std::smatch;
using Progress = std::function<bool(uint64_t current, uint64_t total)>;
struct Response;
using ResponseHandler = std::function<bool(const Response &response)>;
struct MultipartFormData {
std::string name;
std::string content;
std::string filename;
std::string content_type;
};
using MultipartFormDataItems = std::vector<MultipartFormData>;
using MultipartFormDataMap = std::multimap<std::string, MultipartFormData>;
class DataSink {
public:
DataSink() : os(&sb_), sb_(*this) {}
DataSink(const DataSink &) = delete;
DataSink &operator=(const DataSink &) = delete;
DataSink(DataSink &&) = delete;
DataSink &operator=(DataSink &&) = delete;
std::function<bool(const char *data, size_t data_len)> write;
std::function<bool()> is_writable;
std::function<void()> done;
std::function<void(const Headers &trailer)> done_with_trailer;
std::ostream os;
private:
class data_sink_streambuf final : public std::streambuf {
public:
explicit data_sink_streambuf(DataSink &sink) : sink_(sink) {}
protected:
std::streamsize xsputn(const char *s, std::streamsize n) override {
sink_.write(s, static_cast<size_t>(n));
return n;
}
private:
DataSink &sink_;
};
data_sink_streambuf sb_;
};
using ContentProvider =
std::function<bool(size_t offset, size_t length, DataSink &sink)>;
using ContentProviderWithoutLength =
std::function<bool(size_t offset, DataSink &sink)>;
using ContentProviderResourceReleaser = std::function<void(bool success)>;
struct MultipartFormDataProvider {
std::string name;
ContentProviderWithoutLength provider;
std::string filename;
std::string content_type;
};
using MultipartFormDataProviderItems = std::vector<MultipartFormDataProvider>;
using ContentReceiverWithProgress =
std::function<bool(const char *data, size_t data_length, uint64_t offset,
uint64_t total_length)>;
using ContentReceiver =
std::function<bool(const char *data, size_t data_length)>;
using MultipartContentHeader =
std::function<bool(const MultipartFormData &file)>;
class ContentReader {
public:
using Reader = std::function<bool(ContentReceiver receiver)>;
using MultipartReader = std::function<bool(MultipartContentHeader header,
ContentReceiver receiver)>;
ContentReader(Reader reader, MultipartReader multipart_reader)
: reader_(std::move(reader)),
multipart_reader_(std::move(multipart_reader)) {}
bool operator()(MultipartContentHeader header,
ContentReceiver receiver) const {
return multipart_reader_(std::move(header), std::move(receiver));
}
bool operator()(ContentReceiver receiver) const {
return reader_(std::move(receiver));
}
Reader reader_;
MultipartReader multipart_reader_;
};
using Range = std::pair<ssize_t, ssize_t>;
using Ranges = std::vector<Range>;
struct Request {
std::string method;
std::string path;
Params params;
Headers headers;
std::string body;
std::string remote_addr;
int remote_port = -1;
std::string local_addr;
int local_port = -1;
// for server
std::string version;
std::string target;
MultipartFormDataMap files;
Ranges ranges;
Match matches;
std::unordered_map<std::string, std::string> path_params;
std::function<bool()> is_connection_closed = []() { return true; };
// for client
ResponseHandler response_handler;
ContentReceiverWithProgress content_receiver;
Progress progress;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
const SSL *ssl = nullptr;
#endif
bool has_header(const std::string &key) const;
std::string get_header_value(const std::string &key, const char *def = "",
size_t id = 0) const;
uint64_t get_header_value_u64(const std::string &key, uint64_t def = 0,
size_t id = 0) const;
size_t get_header_value_count(const std::string &key) const;
void set_header(const std::string &key, const std::string &val);
bool has_param(const std::string &key) const;
std::string get_param_value(const std::string &key, size_t id = 0) const;
size_t get_param_value_count(const std::string &key) const;
bool is_multipart_form_data() const;
bool has_file(const std::string &key) const;
MultipartFormData get_file_value(const std::string &key) const;
std::vector<MultipartFormData> get_file_values(const std::string &key) const;
// private members...
size_t redirect_count_ = CPPHTTPLIB_REDIRECT_MAX_COUNT;
size_t content_length_ = 0;
ContentProvider content_provider_;
bool is_chunked_content_provider_ = false;
size_t authorization_count_ = 0;
std::chrono::time_point<std::chrono::steady_clock> start_time_ =
(std::chrono::steady_clock::time_point::min)();
};
struct Response {
std::string version;
int status = -1;
std::string reason;
Headers headers;
std::string body;
std::string location; // Redirect location
bool has_header(const std::string &key) const;
std::string get_header_value(const std::string &key, const char *def = "",
size_t id = 0) const;
uint64_t get_header_value_u64(const std::string &key, uint64_t def = 0,
size_t id = 0) const;
size_t get_header_value_count(const std::string &key) const;
void set_header(const std::string &key, const std::string &val);
void set_redirect(const std::string &url, int status = StatusCode::Found_302);
void set_content(const char *s, size_t n, const std::string &content_type);
void set_content(const std::string &s, const std::string &content_type);
void set_content(std::string &&s, const std::string &content_type);
void set_content_provider(
size_t length, const std::string &content_type, ContentProvider provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_chunked_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_file_content(const std::string &path,
const std::string &content_type);
void set_file_content(const std::string &path);
Response() = default;
Response(const Response &) = default;
Response &operator=(const Response &) = default;
Response(Response &&) = default;
Response &operator=(Response &&) = default;
~Response() {
if (content_provider_resource_releaser_) {
content_provider_resource_releaser_(content_provider_success_);
}
}
// private members...
size_t content_length_ = 0;
ContentProvider content_provider_;
ContentProviderResourceReleaser content_provider_resource_releaser_;
bool is_chunked_content_provider_ = false;
bool content_provider_success_ = false;
std::string file_content_path_;
std::string file_content_content_type_;
};
class Stream {
public:
virtual ~Stream() = default;
virtual bool is_readable() const = 0;
virtual bool wait_readable() const = 0;
virtual bool wait_writable() const = 0;
virtual ssize_t read(char *ptr, size_t size) = 0;
virtual ssize_t write(const char *ptr, size_t size) = 0;
virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0;
virtual void get_local_ip_and_port(std::string &ip, int &port) const = 0;
virtual socket_t socket() const = 0;
virtual time_t duration() const = 0;
ssize_t write(const char *ptr);
ssize_t write(const std::string &s);
};
class TaskQueue {
public:
TaskQueue() = default;
virtual ~TaskQueue() = default;
virtual bool enqueue(std::function<void()> fn) = 0;
virtual void shutdown() = 0;
virtual void on_idle() {}
};
class ThreadPool final : public TaskQueue {
public:
explicit ThreadPool(size_t n, size_t mqr = 0)
: shutdown_(false), max_queued_requests_(mqr) {
while (n) {
threads_.emplace_back(worker(*this));
n--;
}
}
ThreadPool(const ThreadPool &) = delete;
~ThreadPool() override = default;
bool enqueue(std::function<void()> fn) override {
{
std::unique_lock<std::mutex> lock(mutex_);
if (max_queued_requests_ > 0 && jobs_.size() >= max_queued_requests_) {
return false;
}
jobs_.push_back(std::move(fn));
}
cond_.notify_one();
return true;
}
void shutdown() override {
// Stop all worker threads...
{
std::unique_lock<std::mutex> lock(mutex_);
shutdown_ = true;
}
cond_.notify_all();
// Join...
for (auto &t : threads_) {
t.join();
}
}
private:
struct worker {
explicit worker(ThreadPool &pool) : pool_(pool) {}
void operator()() {
for (;;) {
std::function<void()> fn;
{
std::unique_lock<std::mutex> lock(pool_.mutex_);
pool_.cond_.wait(
lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; });
if (pool_.shutdown_ && pool_.jobs_.empty()) { break; }
fn = pool_.jobs_.front();
pool_.jobs_.pop_front();
}
assert(true == static_cast<bool>(fn));
fn();
}
#if defined(CPPHTTPLIB_OPENSSL_SUPPORT) && !defined(OPENSSL_IS_BORINGSSL) && \
!defined(LIBRESSL_VERSION_NUMBER)
OPENSSL_thread_stop();
#endif
}
ThreadPool &pool_;
};
friend struct worker;
std::vector<std::thread> threads_;
std::list<std::function<void()>> jobs_;
bool shutdown_;
size_t max_queued_requests_ = 0;
std::condition_variable cond_;
std::mutex mutex_;
};
using Logger = std::function<void(const Request &, const Response &)>;
using SocketOptions = std::function<void(socket_t sock)>;
namespace detail {
bool set_socket_opt_impl(socket_t sock, int level, int optname,
const void *optval, socklen_t optlen);
bool set_socket_opt(socket_t sock, int level, int optname, int opt);
bool set_socket_opt_time(socket_t sock, int level, int optname, time_t sec,
time_t usec);
} // namespace detail
void default_socket_options(socket_t sock);
const char *status_message(int status);
std::string get_bearer_token_auth(const Request &req);
namespace detail {
class MatcherBase {
public:
virtual ~MatcherBase() = default;
// Match request path and populate its matches and
virtual bool match(Request &request) const = 0;
};
/**
* Captures parameters in request path and stores them in Request::path_params
*
* Capture name is a substring of a pattern from : to /.
* The rest of the pattern is matched against the request path directly
* Parameters are captured starting from the next character after
* the end of the last matched static pattern fragment until the next /.
*
* Example pattern:
* "/path/fragments/:capture/more/fragments/:second_capture"
* Static fragments:
* "/path/fragments/", "more/fragments/"
*
* Given the following request path:
* "/path/fragments/:1/more/fragments/:2"
* the resulting capture will be
* {{"capture", "1"}, {"second_capture", "2"}}
*/
class PathParamsMatcher final : public MatcherBase {
public:
PathParamsMatcher(const std::string &pattern);
bool match(Request &request) const override;
private:
// Treat segment separators as the end of path parameter capture
// Does not need to handle query parameters as they are parsed before path
// matching
static constexpr char separator = '/';
// Contains static path fragments to match against, excluding the '/' after
// path params
// Fragments are separated by path params
std::vector<std::string> static_fragments_;
// Stores the names of the path parameters to be used as keys in the
// Request::path_params map
std::vector<std::string> param_names_;
};
/**
* Performs std::regex_match on request path
* and stores the result in Request::matches
*
* Note that regex match is performed directly on the whole request.
* This means that wildcard patterns may match multiple path segments with /:
* "/begin/(.*)/end" will match both "/begin/middle/end" and "/begin/1/2/end".
*/
class RegexMatcher final : public MatcherBase {
public:
RegexMatcher(const std::string &pattern) : regex_(pattern) {}
bool match(Request &request) const override;
private:
std::regex regex_;
};
ssize_t write_headers(Stream &strm, const Headers &headers);
} // namespace detail
class Server {
public:
using Handler = std::function<void(const Request &, Response &)>;
using ExceptionHandler =
std::function<void(const Request &, Response &, std::exception_ptr ep)>;
enum class HandlerResponse {
Handled,
Unhandled,
};
using HandlerWithResponse =
std::function<HandlerResponse(const Request &, Response &)>;
using HandlerWithContentReader = std::function<void(
const Request &, Response &, const ContentReader &content_reader)>;
using Expect100ContinueHandler =
std::function<int(const Request &, Response &)>;
Server();
virtual ~Server();
virtual bool is_valid() const;
Server &Get(const std::string &pattern, Handler handler);
Server &Post(const std::string &pattern, Handler handler);
Server &Post(const std::string &pattern, HandlerWithContentReader handler);
Server &Put(const std::string &pattern, Handler handler);
Server &Put(const std::string &pattern, HandlerWithContentReader handler);
Server &Patch(const std::string &pattern, Handler handler);
Server &Patch(const std::string &pattern, HandlerWithContentReader handler);
Server &Delete(const std::string &pattern, Handler handler);
Server &Delete(const std::string &pattern, HandlerWithContentReader handler);
Server &Options(const std::string &pattern, Handler handler);
bool set_base_dir(const std::string &dir,
const std::string &mount_point = std::string());
bool set_mount_point(const std::string &mount_point, const std::string &dir,
Headers headers = Headers());
bool remove_mount_point(const std::string &mount_point);
Server &set_file_extension_and_mimetype_mapping(const std::string &ext,
const std::string &mime);
Server &set_default_file_mimetype(const std::string &mime);
Server &set_file_request_handler(Handler handler);
template <class ErrorHandlerFunc>
Server &set_error_handler(ErrorHandlerFunc &&handler) {
return set_error_handler_core(