Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 | 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 474x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 53x 53x 53x 10x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 18275x 10x 10x 10x 10x 10x 10x 1970x 1970x 1970x 1934x 1970x 1970x 10x 10x 10x 10x 10x 1x 1x 10x 10x 10x 10x 10x 11795x 11795x 10x 10x 10x 10x 10x 3x 3x 10x 10x 10x 10x 10x 8x 8x 8x 10x 10x 10x 10x 10x 1x 10x 10x 2x 1x 1x 1x 1x 1x 1x 1x 2x 2x 2x 1x 10x 10x 10x 10x 10x 10x 354x 10x 10x 1x 1x 10x 10x 10x 10x 10x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 10x 10x 1x 1x 1x 1x 10x 10x 10x 10x 10x 4x 1x 1x 3x 3x 3x 3x 4x 2x 2x 2x 2x 2x 2x 2x 2x 3x 10x 10x 10x 2x 2x 2x 10x 10x 10x 3x 3x 3x 10x 10x 10x 8x 8x 6x 6x 8x 8x 4x 2x 4x 4x 4x 4x 8x 10x 10x 10x 10x 10x 10x 10x 21x 1x 1x 20x 20x 21x 11x 21x 9x 9x 9x 20x 20x 10x 10x 10x 10x 10x 74308x 74308x 74308x 74308x 16398x 16398x 16398x 16398x 5131x 16378x 11267x 11267x 11267x 11267x 11267x 11267x 11267x 11267x 11267x 16398x 16398x 74308x 10x 10x 7x 7x 7x 7x 7x 7x 5x 7x 10x 10x 74317x 74317x 74317x 2x 2x 2x 2x 74315x 74317x 1x 1x 1x 74315x 74315x 74317x 16x 16x 16x 7x 7x 7x 1x 1x 6x 7x 1x 1x 5x 5x 5x 16x 74313x 74317x 36753x 36753x 40x 40x 36753x 36753x 36753x 37560x 37560x 37560x 37560x 37560x 74317x 10x 10x 10x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 16404x 5229x 4197x 5311x 5311x 5311x 4426x 15x 13x 106x 106x 106x 15x 2x 1x 1x 1x 2x 2x 2x 1x 1032x 1017x 1659x 1659x 1659x 1659x 1014x 5229x 16400x 16400x 16400x 16400x 16404x 13498x 13498x 16400x 16400x 16400x 16400x 16400x 16400x 16400x 16400x 16400x 16400x 16400x 16400x 16404x 16404x 2x 2x 2x 2x 2x 16400x 16400x 16404x 1x 1x 16403x 16224x 16224x 16224x 7x 16222x 16053x 16053x 13307x 13307x 13307x 6x 6x 13307x 13307x 16217x 164x 164x 164x 16224x 16400x 16404x 15123x 6x 6x 15119x 2846x 13227x 12271x 12271x 10634x 12253x 1636x 1636x 1637x 1x 1x 1x 1x 1x 15123x 16400x 16400x 16400x 16400x 16400x 16404x 1x 1x 16399x 16399x 16399x 16399x 16399x 16399x 16404x 16404x 10x 7078x 7078x 7078x 7078x 53x 53x 49x 53x 46x 46x 46x 46x 46x 46x 7x 7x 7032x 7078x 10x 7128x 7128x 7128x 7125x 7125x 7128x 10x 7125x 7125x 7125x 6984x 6984x 7125x 176x 176x 176x 176x 124x 124x 176x 7125x 7x 7x 7x 7x 7x 7125x 1273x 1273x 1273x 1273x 7125x 7125x 7125x 9x 9x 7125x 9x 9x 7125x 7125x 10x 10x 7123x 9x 9x 10x 10x 10x 7136x 4x 4x 7135x 5x 5x 5x 10x 10x 3375x 3375x 3373x 3373x 2x 2x 2x 2x 5x 5x 2x 2x 3375x 10x 10x 5348x 2x 2x 5346x 5346x 5346x 5346x 5346x 5347x 5335x 5335x 5335x 10x 10x 10x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 1x 1x 4x 4x 4x 4x 8x 8x 4x 4x 4x 10x 10x 10x 10x 8667x 8667x 8667x 8667x 8667x 6008x 6008x 8667x 10x 10x 10x 10x 10x 8x 10x 10x 10x 10x 10x 7x 7x 6x 6x 6x 6x 6x 7x 17x 17x 6x 6x 10x 10x 10x 10x 10x 8x 8x 8x 5x 5x 5x 5x 14x 14x 14x 14x 5x 8x 10x 10x 10x 10x 29x 29x 29x 10x 10x 10x 10x 20x 20x 20x 1x 1x 18x 18x 18x 18x 20x 1x 1x 20x 1x 1x 20x 1x 1x 20x 8x 8x 20x 18x 19x 10x 10x 10x 10x 10x 10x 1x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 19x 19x 10x 10x 10x 10x 15493x 20x 20x 20x 15493x 15493x 15493x 15493x 15486x 10x 10x 4x 4x 4x 4x 4x 4x 4x 4x 4x 10x 4x 4x 4x 3x 3x 4x 10x 27471x 27471x 27471x 27471x 27471x 27471x 1x 27471x 13937x 27462x 13527x 13531x 6x 6x 6x 27464x 27464x 27470x 4x 27467x 2x 2x 27464x 27470x 6x 2x 6x 4x 4x 6x 6x 27458x 27461x 17283x 10520x 10520x 17283x 17283x 27457x 27464x 1x 1x 1x 1x 1x 27456x 27471x 771x 771x 771x 27456x 27456x 27471x 10160x 10160x 10160x 10160x 27447x 17296x 17296x 27455x 27455x 27455x 27471x 10x 10x 771x 771x 771x 10x 10x 10x 10x 10x 10x 10x 10x 17x 17x 17x 8x 8x 17x 9x 9x 9x 17x 1x 1x 16x 16x 16x 16x 17x 4x 17x 2x 4x 4x 4x 17x 14x 2x 2x 14x 14x 1x 1x 1x 13x 13x 17x 10x 10x 15471x 15471x 15463x 15471x 10x 10x 16396x 4x 4x 4x 16396x 10006x 10006x 10006x 16396x 16396x 16396x 16396x 11980x 2x 2x 2x 2x 2x 11978x 11978x 1911x 1911x 11978x 11978x 16396x 34x 2x 2x 2x 2x 2x 34x 4416x 2941x 121x 121x 2941x 2941x 2941x 2941x 16358x 16358x 16396x 16358x 16358x 16358x 16396x 1606x 14955x 14748x 14750x 4x 4x 16357x 16396x 2230x 2230x 2230x 2230x 16357x 16357x 16357x 16357x 16357x 16357x 16357x 16396x 16396x 16396x 2229x 2229x 16357x 16357x 10x 10x 10x 10x 10x 10x 15502x 15502x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 15960x 15960x 15960x 15955x 15955x 15955x 15955x 13273x 13273x 13530x 15955x 10x 10x 10x 15995x 15995x 15995x 15995x 15995x 13335x 13335x 13335x 13335x 13335x 13335x 13610x 40872x 40872x 40872x 13335x 13335x 13335x 13335x 13335x 13335x 13335x 10x 10x 10x 10x 9x 5x 5x 9x 9x 9x 10x 10x 10x 1x 1x 10x 10x 10x 2x 2x 10x 10x 10x 10x 10x 10x 10x 10x 10x | // Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const {
Array,
ArrayIsArray,
ArrayPrototypeJoin,
MathAbs,
MathFloor,
NumberPrototypeToString,
ObjectCreate,
ObjectDefineProperty,
ObjectKeys,
ObjectValues,
ObjectPrototypeHasOwnProperty,
ObjectSetPrototypeOf,
RegExpPrototypeExec,
SafeSet,
StringPrototypeToLowerCase,
Symbol,
} = primordials;
const { getDefaultHighWaterMark } = require('internal/streams/state');
const assert = require('internal/assert');
const EE = require('events');
const Stream = require('stream');
const internalUtil = require('internal/util');
const { kOutHeaders, utcDate, kNeedDrain } = require('internal/http');
const { Buffer } = require('buffer');
const {
_checkIsHttpToken: checkIsHttpToken,
_checkInvalidHeaderChar: checkInvalidHeaderChar,
chunkExpression: RE_TE_CHUNKED,
} = require('_http_common');
const {
defaultTriggerAsyncIdScope,
symbols: { async_id_symbol }
} = require('internal/async_hooks');
const {
codes: {
ERR_HTTP_CONTENT_LENGTH_MISMATCH,
ERR_HTTP_HEADERS_SENT,
ERR_HTTP_INVALID_HEADER_VALUE,
ERR_HTTP_TRAILER_INVALID,
ERR_INVALID_HTTP_TOKEN,
ERR_INVALID_ARG_TYPE,
ERR_INVALID_ARG_VALUE,
ERR_INVALID_CHAR,
ERR_METHOD_NOT_IMPLEMENTED,
ERR_STREAM_CANNOT_PIPE,
ERR_STREAM_ALREADY_FINISHED,
ERR_STREAM_WRITE_AFTER_END,
ERR_STREAM_NULL_VALUES,
ERR_STREAM_DESTROYED
},
hideStackFrames
} = require('internal/errors');
const { validateString } = require('internal/validators');
const { isUint8Array } = require('internal/util/types');
let debug = require('internal/util/debuglog').debuglog('http', (fn) => {
debug = fn;
});
const HIGH_WATER_MARK = getDefaultHighWaterMark();
const kCorked = Symbol('corked');
const kUniqueHeaders = Symbol('kUniqueHeaders');
const kBytesWritten = Symbol('kBytesWritten');
const kEndCalled = Symbol('kEndCalled');
const nop = () => {};
const RE_CONN_CLOSE = /(?:^|\W)close(?:$|\W)/i;
// isCookieField performs a case-insensitive comparison of a provided string
// against the word "cookie." As of V8 6.6 this is faster than handrolling or
// using a case-insensitive RegExp.
function isCookieField(s) {
return s.length === 6 && StringPrototypeToLowerCase(s) === 'cookie';
}
function OutgoingMessage() {
Stream.call(this);
// Queue that holds all currently pending data, until the response will be
// assigned to the socket (until it will its turn in the HTTP pipeline).
this.outputData = [];
// `outputSize` is an approximate measure of how much data is queued on this
// response. `_onPendingData` will be invoked to update similar global
// per-connection counter. That counter will be used to pause/unpause the
// TCP socket and HTTP Parser and thus handle the backpressure.
this.outputSize = 0;
this.writable = true;
this.destroyed = false;
this._last = false;
this.chunkedEncoding = false;
this.shouldKeepAlive = true;
this.maxRequestsOnConnectionReached = false;
this._defaultKeepAlive = true;
this.useChunkedEncodingByDefault = true;
this.sendDate = false;
this._removedConnection = false;
this._removedContLen = false;
this._removedTE = false;
this.strictContentLength = false;
this[kBytesWritten] = 0;
this[kEndCalled] = false;
this._contentLength = null;
this._hasBody = true;
this._trailer = '';
this[kNeedDrain] = false;
this.finished = false;
this._headerSent = false;
this[kCorked] = 0;
this._closed = false;
this.socket = null;
this._header = null;
this[kOutHeaders] = null;
this._keepAliveTimeout = 0;
this._onPendingData = nop;
}
ObjectSetPrototypeOf(OutgoingMessage.prototype, Stream.prototype);
ObjectSetPrototypeOf(OutgoingMessage, Stream);
ObjectDefineProperty(OutgoingMessage.prototype, 'writableFinished', {
__proto__: null,
get() {
return (
this.finished &&
this.outputSize === 0 &&
(!this.socket || this.socket.writableLength === 0)
);
}
});
ObjectDefineProperty(OutgoingMessage.prototype, 'writableObjectMode', {
__proto__: null,
get() {
return false;
}
});
ObjectDefineProperty(OutgoingMessage.prototype, 'writableLength', {
__proto__: null,
get() {
return this.outputSize + (this.socket ? this.socket.writableLength : 0);
}
});
ObjectDefineProperty(OutgoingMessage.prototype, 'writableHighWaterMark', {
__proto__: null,
get() {
return this.socket ? this.socket.writableHighWaterMark : HIGH_WATER_MARK;
}
});
ObjectDefineProperty(OutgoingMessage.prototype, 'writableCorked', {
__proto__: null,
get() {
const corked = this.socket ? this.socket.writableCorked : 0;
return corked + this[kCorked];
}
});
ObjectDefineProperty(OutgoingMessage.prototype, '_headers', {
__proto__: null,
get: internalUtil.deprecate(function() {
return this.getHeaders();
}, 'OutgoingMessage.prototype._headers is deprecated', 'DEP0066'),
set: internalUtil.deprecate(function(val) {
if (val == null) {
this[kOutHeaders] = null;
} else if (typeof val === 'object') {
const headers = this[kOutHeaders] = ObjectCreate(null);
const keys = ObjectKeys(val);
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0; i < keys.length; ++i) {
const name = keys[i];
headers[StringPrototypeToLowerCase(name)] = [name, val[name]];
}
}
}, 'OutgoingMessage.prototype._headers is deprecated', 'DEP0066')
});
ObjectDefineProperty(OutgoingMessage.prototype, 'connection', {
__proto__: null,
get: function() {
return this.socket;
},
set: function(val) {
this.socket = val;
}
});
ObjectDefineProperty(OutgoingMessage.prototype, '_headerNames', {
__proto__: null,
get: internalUtil.deprecate(function() {
const headers = this[kOutHeaders];
if (headers !== null) {
const out = ObjectCreate(null);
const keys = ObjectKeys(headers);
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0; i < keys.length; ++i) {
const key = keys[i];
const val = headers[key][0];
out[key] = val;
}
return out;
}
return null;
}, 'OutgoingMessage.prototype._headerNames is deprecated', 'DEP0066'),
set: internalUtil.deprecate(function(val) {
if (typeof val === 'object' && val !== null) {
const headers = this[kOutHeaders];
if (!headers)
return;
const keys = ObjectKeys(val);
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0; i < keys.length; ++i) {
const header = headers[keys[i]];
if (header)
header[0] = val[keys[i]];
}
}
}, 'OutgoingMessage.prototype._headerNames is deprecated', 'DEP0066')
});
OutgoingMessage.prototype._renderHeaders = function _renderHeaders() {
if (this._header) {
throw new ERR_HTTP_HEADERS_SENT('render');
}
const headersMap = this[kOutHeaders];
const headers = {};
if (headersMap !== null) {
const keys = ObjectKeys(headersMap);
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0, l = keys.length; i < l; i++) {
const key = keys[i];
headers[headersMap[key][0]] = headersMap[key][1];
}
}
return headers;
};
OutgoingMessage.prototype.cork = function() {
if (this.socket) {
this.socket.cork();
} else {
this[kCorked]++;
}
};
OutgoingMessage.prototype.uncork = function() {
if (this.socket) {
this.socket.uncork();
} else if (this[kCorked]) {
this[kCorked]--;
}
};
OutgoingMessage.prototype.setTimeout = function setTimeout(msecs, callback) {
if (callback) {
this.on('timeout', callback);
}
if (!this.socket) {
this.once('socket', function socketSetTimeoutOnConnect(socket) {
socket.setTimeout(msecs);
});
} else {
this.socket.setTimeout(msecs);
}
return this;
};
// It's possible that the socket will be destroyed, and removed from
// any messages, before ever calling this. In that case, just skip
// it, since something else is destroying this connection anyway.
OutgoingMessage.prototype.destroy = function destroy(error) {
if (this.destroyed) {
return this;
}
this.destroyed = true;
if (this.socket) {
this.socket.destroy(error);
} else {
this.once('socket', function socketDestroyOnConnect(socket) {
socket.destroy(error);
});
}
return this;
};
// This abstract either writing directly to the socket or buffering it.
OutgoingMessage.prototype._send = function _send(data, encoding, callback) {
// This is a shameful hack to get the headers and first body chunk onto
// the same packet. Future versions of Node are going to take care of
// this at a lower level and in a more general way.
if (!this._headerSent && this._header !== null) {
// `this._header` can be null if OutgoingMessage is used without a proper Socket
// See: /test/parallel/test-http-outgoing-message-inheritance.js
if (typeof data === 'string' &&
(encoding === 'utf8' || encoding === 'latin1' || !encoding)) {
data = this._header + data;
} else {
const header = this._header;
this.outputData.unshift({
data: header,
encoding: 'latin1',
callback: null
});
this.outputSize += header.length;
this._onPendingData(header.length);
}
this._headerSent = true;
}
return this._writeRaw(data, encoding, callback);
};
function _getMessageBodySize(chunk, headers, encoding) {
if (Buffer.isBuffer(chunk)) return chunk.length;
const chunkLength = chunk ? Buffer.byteLength(chunk, encoding) : 0;
const headerLength = headers ? headers.length : 0;
if (headerLength === chunkLength) return 0;
if (headerLength < chunkLength) return MathAbs(chunkLength - headerLength);
return chunkLength;
}
OutgoingMessage.prototype._writeRaw = _writeRaw;
function _writeRaw(data, encoding, callback) {
const conn = this.socket;
if (conn && conn.destroyed) {
// The socket was destroyed. If we're still trying to write to it,
// then we haven't gotten the 'close' event yet.
return false;
}
if (typeof encoding === 'function') {
callback = encoding;
encoding = null;
}
// TODO(sidwebworks): flip the `strictContentLength` default to `true` in a future PR
if (this.strictContentLength && conn && conn.writable && !this._removedContLen && this._hasBody) {
const skip = conn._httpMessage.statusCode === 304 || (this.hasHeader('transfer-encoding') || this.chunkedEncoding);
if (typeof this._contentLength === 'number' && !skip) {
const size = _getMessageBodySize(data, conn._httpMessage._header, encoding);
if ((size + this[kBytesWritten]) > this._contentLength) {
throw new ERR_HTTP_CONTENT_LENGTH_MISMATCH(size + this[kBytesWritten], this._contentLength);
}
if (this[kEndCalled] && (size + this[kBytesWritten]) !== this._contentLength) {
throw new ERR_HTTP_CONTENT_LENGTH_MISMATCH(size + this[kBytesWritten], this._contentLength);
}
this[kBytesWritten] += size;
}
}
if (conn && conn._httpMessage === this && conn.writable) {
// There might be pending data in the this.output buffer.
if (this.outputData.length) {
this._flushOutput(conn);
}
// Directly write to socket.
return conn.write(data, encoding, callback);
}
// Buffer, as long as we're not destroyed.
this.outputData.push({ data, encoding, callback });
this.outputSize += data.length;
this._onPendingData(data.length);
return this.outputSize < HIGH_WATER_MARK;
}
OutgoingMessage.prototype._storeHeader = _storeHeader;
function _storeHeader(firstLine, headers) {
// firstLine in the case of request is: 'GET /index.html HTTP/1.1\r\n'
// in the case of response it is: 'HTTP/1.1 200 OK\r\n'
const state = {
connection: false,
contLen: false,
te: false,
date: false,
expect: false,
trailer: false,
header: firstLine
};
if (headers) {
if (headers === this[kOutHeaders]) {
for (const key in headers) {
const entry = headers[key];
processHeader(this, state, entry[0], entry[1], false);
}
} else if (ArrayIsArray(headers)) {
if (headers.length && ArrayIsArray(headers[0])) {
for (let i = 0; i < headers.length; i++) {
const entry = headers[i];
processHeader(this, state, entry[0], entry[1], true);
}
} else {
if (headers.length % 2 !== 0) {
throw new ERR_INVALID_ARG_VALUE('headers', headers);
}
for (let n = 0; n < headers.length; n += 2) {
processHeader(this, state, headers[n + 0], headers[n + 1], true);
}
}
} else {
for (const key in headers) {
if (ObjectPrototypeHasOwnProperty(headers, key)) {
processHeader(this, state, key, headers[key], true);
}
}
}
}
let { header } = state;
// Date header
if (this.sendDate && !state.date) {
header += 'Date: ' + utcDate() + '\r\n';
}
// Force the connection to close when the response is a 204 No Content or
// a 304 Not Modified and the user has set a "Transfer-Encoding: chunked"
// header.
//
// RFC 2616 mandates that 204 and 304 responses MUST NOT have a body but
// node.js used to send out a zero chunk anyway to accommodate clients
// that don't have special handling for those responses.
//
// It was pointed out that this might confuse reverse proxies to the point
// of creating security liabilities, so suppress the zero chunk and force
// the connection to close.
if (this.chunkedEncoding && (this.statusCode === 204 ||
this.statusCode === 304)) {
debug(this.statusCode + ' response should not use chunked encoding,' +
' closing connection.');
this.chunkedEncoding = false;
this.shouldKeepAlive = false;
}
// keep-alive logic
if (this._removedConnection) {
this._last = true;
this.shouldKeepAlive = false;
} else if (!state.connection) {
const shouldSendKeepAlive = this.shouldKeepAlive &&
(state.contLen || this.useChunkedEncodingByDefault || this.agent);
if (shouldSendKeepAlive && this.maxRequestsOnConnectionReached) {
header += 'Connection: close\r\n';
} else if (shouldSendKeepAlive) {
header += 'Connection: keep-alive\r\n';
if (this._keepAliveTimeout && this._defaultKeepAlive) {
const timeoutSeconds = MathFloor(this._keepAliveTimeout / 1000);
let max = '';
if (~~this._maxRequestsPerSocket > 0) {
max = `, max=${this._maxRequestsPerSocket}`;
}
header += `Keep-Alive: timeout=${timeoutSeconds}${max}\r\n`;
}
} else {
this._last = true;
header += 'Connection: close\r\n';
}
}
if (!state.contLen && !state.te) {
if (!this._hasBody) {
// Make sure we don't end the 0\r\n\r\n at the end of the message.
this.chunkedEncoding = false;
} else if (!this.useChunkedEncodingByDefault) {
this._last = true;
} else if (!state.trailer &&
!this._removedContLen &&
typeof this._contentLength === 'number') {
header += 'Content-Length: ' + this._contentLength + '\r\n';
} else if (!this._removedTE) {
header += 'Transfer-Encoding: chunked\r\n';
this.chunkedEncoding = true;
} else {
// We should only be able to get here if both Content-Length and
// Transfer-Encoding are removed by the user.
// See: test/parallel/test-http-remove-header-stays-removed.js
debug('Both Content-Length and Transfer-Encoding are removed');
}
}
// Test non-chunked message does not have trailer header set,
// message will be terminated by the first empty line after the
// header fields, regardless of the header fields present in the
// message, and thus cannot contain a message body or 'trailers'.
if (this.chunkedEncoding !== true && state.trailer) {
throw new ERR_HTTP_TRAILER_INVALID();
}
this._header = header + '\r\n';
this._headerSent = false;
// Wait until the first body chunk, or close(), is sent to flush,
// UNLESS we're sending Expect: 100-continue.
if (state.expect) this._send('');
}
function processHeader(self, state, key, value, validate) {
if (validate)
validateHeaderName(key);
if (ArrayIsArray(value)) {
if (
(value.length < 2 || !isCookieField(key)) &&
(!self[kUniqueHeaders] || !self[kUniqueHeaders].has(StringPrototypeToLowerCase(key)))
) {
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0; i < value.length; i++)
storeHeader(self, state, key, value[i], validate);
return;
}
value = ArrayPrototypeJoin(value, '; ');
}
storeHeader(self, state, key, value, validate);
}
function storeHeader(self, state, key, value, validate) {
if (validate)
validateHeaderValue(key, value);
state.header += key + ': ' + value + '\r\n';
matchHeader(self, state, key, value);
}
function matchHeader(self, state, field, value) {
if (field.length < 4 || field.length > 17)
return;
field = StringPrototypeToLowerCase(field);
switch (field) {
case 'connection':
state.connection = true;
self._removedConnection = false;
if (RegExpPrototypeExec(RE_CONN_CLOSE, value) !== null)
self._last = true;
else
self.shouldKeepAlive = true;
break;
case 'transfer-encoding':
state.te = true;
self._removedTE = false;
if (RegExpPrototypeExec(RE_TE_CHUNKED, value) !== null)
self.chunkedEncoding = true;
break;
case 'content-length':
state.contLen = true;
self._contentLength = value;
self._removedContLen = false;
break;
case 'date':
case 'expect':
case 'trailer':
state[field] = true;
break;
case 'keep-alive':
self._defaultKeepAlive = false;
break;
}
}
const validateHeaderName = hideStackFrames((name) => {
if (typeof name !== 'string' || !name || !checkIsHttpToken(name)) {
throw new ERR_INVALID_HTTP_TOKEN('Header name', name);
}
});
const validateHeaderValue = hideStackFrames((name, value) => {
if (value === undefined) {
throw new ERR_HTTP_INVALID_HEADER_VALUE(value, name);
}
if (checkInvalidHeaderChar(value)) {
debug('Header "%s" contains invalid characters', name);
throw new ERR_INVALID_CHAR('header content', name);
}
});
function parseUniqueHeadersOption(headers) {
if (!ArrayIsArray(headers)) {
return null;
}
const unique = new SafeSet();
const l = headers.length;
for (let i = 0; i < l; i++) {
unique.add(StringPrototypeToLowerCase(headers[i]));
}
return unique;
}
OutgoingMessage.prototype.setHeader = function setHeader(name, value) {
if (this._header) {
throw new ERR_HTTP_HEADERS_SENT('set');
}
validateHeaderName(name);
validateHeaderValue(name, value);
let headers = this[kOutHeaders];
if (headers === null)
this[kOutHeaders] = headers = ObjectCreate(null);
headers[StringPrototypeToLowerCase(name)] = [name, value];
return this;
};
OutgoingMessage.prototype.appendHeader = function appendHeader(name, value) {
if (this._header) {
throw new ERR_HTTP_HEADERS_SENT('append');
}
validateHeaderName(name);
validateHeaderValue(name, value);
const field = StringPrototypeToLowerCase(name);
const headers = this[kOutHeaders];
if (headers === null || !headers[field]) {
return this.setHeader(name, value);
}
// Prepare the field for appending, if required
if (!ArrayIsArray(headers[field][1])) {
headers[field][1] = [headers[field][1]];
}
const existingValues = headers[field][1];
if (ArrayIsArray(value)) {
for (let i = 0, length = value.length; i < length; i++) {
existingValues.push(value[i]);
}
} else {
existingValues.push(value);
}
return this;
};
OutgoingMessage.prototype.getHeader = function getHeader(name) {
validateString(name, 'name');
const headers = this[kOutHeaders];
if (headers === null)
return;
const entry = headers[StringPrototypeToLowerCase(name)];
return entry && entry[1];
};
// Returns an array of the names of the current outgoing headers.
OutgoingMessage.prototype.getHeaderNames = function getHeaderNames() {
return this[kOutHeaders] !== null ? ObjectKeys(this[kOutHeaders]) : [];
};
// Returns an array of the names of the current outgoing raw headers.
OutgoingMessage.prototype.getRawHeaderNames = function getRawHeaderNames() {
const headersMap = this[kOutHeaders];
if (headersMap === null) return [];
const values = ObjectValues(headersMap);
const headers = Array(values.length);
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0, l = values.length; i < l; i++) {
headers[i] = values[i][0];
}
return headers;
};
// Returns a shallow copy of the current outgoing headers.
OutgoingMessage.prototype.getHeaders = function getHeaders() {
const headers = this[kOutHeaders];
const ret = ObjectCreate(null);
if (headers) {
const keys = ObjectKeys(headers);
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0; i < keys.length; ++i) {
const key = keys[i];
const val = headers[key][1];
ret[key] = val;
}
}
return ret;
};
OutgoingMessage.prototype.hasHeader = function hasHeader(name) {
validateString(name, 'name');
return this[kOutHeaders] !== null &&
!!this[kOutHeaders][StringPrototypeToLowerCase(name)];
};
OutgoingMessage.prototype.removeHeader = function removeHeader(name) {
validateString(name, 'name');
if (this._header) {
throw new ERR_HTTP_HEADERS_SENT('remove');
}
const key = StringPrototypeToLowerCase(name);
switch (key) {
case 'connection':
this._removedConnection = true;
break;
case 'content-length':
this._removedContLen = true;
break;
case 'transfer-encoding':
this._removedTE = true;
break;
case 'date':
this.sendDate = false;
break;
}
if (this[kOutHeaders] !== null) {
delete this[kOutHeaders][key];
}
};
OutgoingMessage.prototype._implicitHeader = function _implicitHeader() {
throw new ERR_METHOD_NOT_IMPLEMENTED('_implicitHeader()');
};
ObjectDefineProperty(OutgoingMessage.prototype, 'headersSent', {
__proto__: null,
configurable: true,
enumerable: true,
get: function() { return !!this._header; }
});
ObjectDefineProperty(OutgoingMessage.prototype, 'writableEnded', {
__proto__: null,
get: function() { return this.finished; }
});
ObjectDefineProperty(OutgoingMessage.prototype, 'writableNeedDrain', {
__proto__: null,
get: function() {
return !this.destroyed && !this.finished && this[kNeedDrain];
}
});
const crlf_buf = Buffer.from('\r\n');
OutgoingMessage.prototype.write = function write(chunk, encoding, callback) {
if (typeof encoding === 'function') {
callback = encoding;
encoding = null;
}
const ret = write_(this, chunk, encoding, callback, false);
if (!ret)
this[kNeedDrain] = true;
return ret;
};
function onError(msg, err, callback) {
const triggerAsyncId = msg.socket ? msg.socket[async_id_symbol] : undefined;
defaultTriggerAsyncIdScope(triggerAsyncId,
process.nextTick,
emitErrorNt,
msg,
err,
callback);
}
function emitErrorNt(msg, err, callback) {
callback(err);
if (typeof msg.emit === 'function' && !msg._closed) {
msg.emit('error', err);
}
}
function write_(msg, chunk, encoding, callback, fromEnd) {
if (typeof callback !== 'function')
callback = nop;
let len;
if (chunk === null) {
throw new ERR_STREAM_NULL_VALUES();
} else if (typeof chunk === 'string') {
len = Buffer.byteLength(chunk, encoding);
} else if (isUint8Array(chunk)) {
len = chunk.length;
} else {
throw new ERR_INVALID_ARG_TYPE(
'chunk', ['string', 'Buffer', 'Uint8Array'], chunk);
}
let err;
if (msg.finished) {
err = new ERR_STREAM_WRITE_AFTER_END();
} else if (msg.destroyed) {
err = new ERR_STREAM_DESTROYED('write');
}
if (err) {
if (!msg.destroyed) {
onError(msg, err, callback);
} else {
process.nextTick(callback, err);
}
return false;
}
if (!msg._header) {
if (fromEnd) {
msg._contentLength = len;
}
msg._implicitHeader();
}
if (!msg._hasBody) {
debug('This type of response MUST NOT have a body. ' +
'Ignoring write() calls.');
process.nextTick(callback);
return true;
}
if (!fromEnd && msg.socket && !msg.socket.writableCorked) {
msg.socket.cork();
process.nextTick(connectionCorkNT, msg.socket);
}
let ret;
if (msg.chunkedEncoding && chunk.length !== 0) {
msg._send(NumberPrototypeToString(len, 16), 'latin1', null);
msg._send(crlf_buf, null, null);
msg._send(chunk, encoding, null);
ret = msg._send(crlf_buf, null, callback);
} else {
ret = msg._send(chunk, encoding, callback);
}
debug('write ret = ' + ret);
return ret;
}
function connectionCorkNT(conn) {
conn.uncork();
}
OutgoingMessage.prototype.addTrailers = function addTrailers(headers) {
this._trailer = '';
const keys = ObjectKeys(headers);
const isArray = ArrayIsArray(headers);
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0, l = keys.length; i < l; i++) {
let field, value;
const key = keys[i];
if (isArray) {
field = headers[key][0];
value = headers[key][1];
} else {
field = key;
value = headers[key];
}
if (typeof field !== 'string' || !field || !checkIsHttpToken(field)) {
throw new ERR_INVALID_HTTP_TOKEN('Trailer name', field);
}
// Check if the field must be sent several times
const isArrayValue = ArrayIsArray(value);
if (
isArrayValue && value.length > 1 &&
(!this[kUniqueHeaders] || !this[kUniqueHeaders].has(StringPrototypeToLowerCase(field)))
) {
for (let j = 0, l = value.length; j < l; j++) {
if (checkInvalidHeaderChar(value[j])) {
debug('Trailer "%s"[%d] contains invalid characters', field, j);
throw new ERR_INVALID_CHAR('trailer content', field);
}
this._trailer += field + ': ' + value[j] + '\r\n';
}
} else {
if (isArrayValue) {
value = ArrayPrototypeJoin(value, '; ');
}
if (checkInvalidHeaderChar(value)) {
debug('Trailer "%s" contains invalid characters', field);
throw new ERR_INVALID_CHAR('trailer content', field);
}
this._trailer += field + ': ' + value + '\r\n';
}
}
};
function onFinish(outmsg) {
if (outmsg && outmsg.socket && outmsg.socket._hadError) return;
outmsg.emit('finish');
}
OutgoingMessage.prototype.end = function end(chunk, encoding, callback) {
if (typeof chunk === 'function') {
callback = chunk;
chunk = null;
encoding = null;
} else if (typeof encoding === 'function') {
callback = encoding;
encoding = null;
}
this[kEndCalled] = true;
if (chunk) {
if (this.finished) {
onError(this,
new ERR_STREAM_WRITE_AFTER_END(),
typeof callback !== 'function' ? nop : callback);
return this;
}
if (this.socket) {
this.socket.cork();
}
write_(this, chunk, encoding, null, true);
} else if (this.finished) {
if (typeof callback === 'function') {
if (!this.writableFinished) {
this.on('finish', callback);
} else {
callback(new ERR_STREAM_ALREADY_FINISHED('end'));
}
}
return this;
} else if (!this._header) {
if (this.socket) {
this.socket.cork();
}
this._contentLength = 0;
this._implicitHeader();
}
if (typeof callback === 'function')
this.once('finish', callback);
const finish = onFinish.bind(undefined, this);
if (this._hasBody && this.chunkedEncoding) {
this._send('0\r\n' + this._trailer + '\r\n', 'latin1', finish);
} else if (!this._headerSent || this.writableLength || chunk) {
this._send('', 'latin1', finish);
} else {
process.nextTick(finish);
}
if (this.socket) {
// Fully uncork connection on end().
this.socket._writableState.corked = 1;
this.socket.uncork();
}
this[kCorked] = 0;
this.finished = true;
// There is the first message on the outgoing queue, and we've sent
// everything to the socket.
debug('outgoing message end.');
if (this.outputData.length === 0 &&
this.socket &&
this.socket._httpMessage === this) {
this._finish();
}
return this;
};
// This function is called once all user data are flushed to the socket.
// Note that it has a chance that the socket is not drained.
OutgoingMessage.prototype._finish = function _finish() {
assert(this.socket);
this.emit('prefinish');
};
// This logic is probably a bit confusing. Let me explain a bit:
//
// In both HTTP servers and clients it is possible to queue up several
// outgoing messages. This is easiest to imagine in the case of a client.
// Take the following situation:
//
// req1 = client.request('GET', '/');
// req2 = client.request('POST', '/');
//
// When the user does
//
// req2.write('hello world\n');
//
// it's possible that the first request has not been completely flushed to
// the socket yet. Thus the outgoing messages need to be prepared to queue
// up data internally before sending it on further to the socket's queue.
//
// This function, _flush(), is called by both the Server and Client
// to attempt to flush any pending messages out to the socket.
OutgoingMessage.prototype._flush = function _flush() {
const socket = this.socket;
if (socket && socket.writable) {
// There might be remaining data in this.output; write it out
const ret = this._flushOutput(socket);
if (this.finished) {
// This is a queue to the server or client to bring in the next this.
this._finish();
} else if (ret && this[kNeedDrain]) {
this[kNeedDrain] = false;
this.emit('drain');
}
}
};
OutgoingMessage.prototype._flushOutput = function _flushOutput(socket) {
while (this[kCorked]) {
this[kCorked]--;
socket.cork();
}
const outputLength = this.outputData.length;
if (outputLength <= 0)
return undefined;
const outputData = this.outputData;
socket.cork();
let ret;
// Retain for(;;) loop for performance reasons
// Refs: https://github.com/nodejs/node/pull/30958
for (let i = 0; i < outputLength; i++) {
const { data, encoding, callback } = outputData[i];
ret = socket.write(data, encoding, callback);
}
socket.uncork();
this.outputData = [];
this._onPendingData(-this.outputSize);
this.outputSize = 0;
return ret;
};
OutgoingMessage.prototype.flushHeaders = function flushHeaders() {
if (!this._header) {
this._implicitHeader();
}
// Force-flush the headers.
this._send('');
};
OutgoingMessage.prototype.pipe = function pipe() {
// OutgoingMessage should be write-only. Piping from it is disabled.
this.emit('error', new ERR_STREAM_CANNOT_PIPE());
};
OutgoingMessage.prototype[EE.captureRejectionSymbol] =
function(err, event) {
this.destroy(err);
};
module.exports = {
kUniqueHeaders,
parseUniqueHeadersOption,
validateHeaderName,
validateHeaderValue,
OutgoingMessage
};
|