git.m6w6.name Git - m6w6/ext-http/blob - http_message_api.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2010, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15 #define HTTP_WANT_SAPI
  16 #define HTTP_WANT_CURL
  17 #define HTTP_WANT_ZLIB
  18 #include "php_http.h"
  19
  20 #include "php_http_api.h"
  21 #include "php_http_encoding_api.h"
  22 #include "php_http_headers_api.h"
  23 #include "php_http_message_api.h"
  24 #include "php_http_request_api.h"
  25 #include "php_http_send_api.h"
  26 #include "php_http_url_api.h"
  27
  28 #define http_message_info_callback _http_message_info_callback
  29 static void _http_message_info_callback(http_message **message, HashTable **headers, http_info *info TSRMLS_DC)
  30 {
  31         http_message *old = *message;
  32
  33         /* advance message */
  34         if (old->type || zend_hash_num_elements(&old->hdrs) || PHPSTR_LEN(old)) {
  35                 (*message) = http_message_new();
  36                 (*message)->parent = old;
  37                 (*headers) = &((*message)->hdrs);
  38         }
  39
  40         http_message_set_info(*message, info);
  41 }
  42
  43 #define http_message_init_type _http_message_init_type
  44 static inline void _http_message_init_type(http_message *message, http_message_type type)
  45 {
  46         message->http.version = .0;
  47
  48         switch (message->type = type) {
  49                 case HTTP_MSG_RESPONSE:
  50                         message->http.info.response.code = 0;
  51                         message->http.info.response.status = NULL;
  52                         break;
  53
  54                 case HTTP_MSG_REQUEST:
  55                         message->http.info.request.method = NULL;
  56                         message->http.info.request.url = NULL;
  57                         break;
  58
  59                 case HTTP_MSG_NONE:
  60                 default:
  61                         break;
  62         }
  63 }
  64
  65 PHP_HTTP_API http_message *_http_message_init_ex(http_message *message, http_message_type type ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
  66 {
  67         if (!message) {
  68                 message = ecalloc_rel(1, sizeof(http_message));
  69         }
  70
  71         http_message_init_type(message, type);
  72         message->parent = NULL;
  73         phpstr_init(&message->body);
  74         zend_hash_init(&message->hdrs, 0, NULL, ZVAL_PTR_DTOR, 0);
  75
  76         return message;
  77 }
  78
  79 PHP_HTTP_API http_message *_http_message_init_env(http_message *message, http_message_type type TSRMLS_DC ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
  80 {
  81         int free_msg;
  82         http_info inf;
  83         zval *sval, tval;
  84         char *body_str;
  85         size_t body_len;
  86
  87         if ((free_msg = !message)) {
  88                 message = http_message_init_rel(NULL, HTTP_MSG_NONE);
  89         }
  90
  91         memset(&inf, 0, sizeof(http_info));
  92         switch (inf.type = type) {
  93                 case HTTP_MSG_REQUEST:
  94                         if ((sval = http_get_server_var("SERVER_PROTOCOL", 1)) && !strncmp(Z_STRVAL_P(sval), "HTTP/", lenof("HTTP/"))) {
  95                                 inf.http.version = zend_strtod(Z_STRVAL_P(sval) + lenof("HTTP/"), NULL);
  96                         } else {
  97                                 inf.http.version = 1.1;
  98                         }
  99                         if ((sval = http_get_server_var("REQUEST_METHOD", 1))) {
 100                                 inf.http.info.request.method = estrdup(Z_STRVAL_P(sval));
 101                         }
 102                         if ((sval = http_get_server_var("REQUEST_URI", 1))) {
 103                                 inf.http.info.request.url = estrdup(Z_STRVAL_P(sval));
 104                         }
 105
 106                         http_message_set_info(message, &inf);
 107                         http_get_request_headers(&message->hdrs);
 108                         if (SUCCESS == http_get_request_body_ex(&body_str, &body_len, 0)) {
 109                                 phpstr_from_string_ex(&message->body, body_str, body_len);
 110                         }
 111                         break;
 112
 113                 case HTTP_MSG_RESPONSE:
 114                         if (!SG(sapi_headers).http_status_line || SUCCESS != http_info_parse_ex(SG(sapi_headers).http_status_line, &inf, 0)) {
 115                                 inf.http.version = 1.1;
 116                                 inf.http.info.response.code = 200;
 117                                 inf.http.info.response.status = estrdup("Ok");
 118                         }
 119
 120                         http_message_set_info(message, &inf);
 121                         http_get_response_headers(&message->hdrs);
 122 #ifdef PHP_OUTPUT_NEWAPI
 123                         if (SUCCESS == php_output_get_contents(&tval TSRMLS_CC)) {
 124 #else
 125                         if (SUCCESS == php_ob_get_buffer(&tval TSRMLS_CC)) {
 126 #endif
 127                                 message->body.data = Z_STRVAL(tval);
 128                                 message->body.used = Z_STRLEN(tval);
 129                                 message->body.free = 1; /* "\0" */
 130                         }
 131                         break;
 132
 133                 default:
 134                         if (free_msg) {
 135                                 http_message_free(&message);
 136                         } else {
 137                                 message = NULL;
 138                         }
 139                         break;
 140         }
 141         http_info_dtor(&inf);
 142
 143         return message;
 144 }
 145
 146 PHP_HTTP_API void _http_message_set_type(http_message *message, http_message_type type)
 147 {
 148         /* just act if different */
 149         if (type != message->type) {
 150
 151                 /* free request info */
 152                 switch (message->type) {
 153                         case HTTP_MSG_REQUEST:
 154                                 STR_FREE(message->http.info.request.method);
 155                                 STR_FREE(message->http.info.request.url);
 156                                 break;
 157
 158                         case HTTP_MSG_RESPONSE:
 159                                 STR_FREE(message->http.info.response.status);
 160                                 break;
 161
 162                         default:
 163                                 break;
 164                 }
 165
 166                 /* init */
 167                 http_message_init_type(message, type);
 168         }
 169 }
 170
 171 PHP_HTTP_API void _http_message_set_info(http_message *message, http_info *info)
 172 {
 173         http_message_set_type(message, info->type);
 174         message->http.version = info->http.version;
 175         switch (message->type) {
 176                 case IS_HTTP_REQUEST:
 177                         STR_SET(HTTP_INFO(message).request.url, HTTP_INFO(info).request.url ? estrdup(HTTP_INFO(info).request.url) : NULL);
 178                         STR_SET(HTTP_INFO(message).request.method, HTTP_INFO(info).request.method ? estrdup(HTTP_INFO(info).request.method) : NULL);
 179                         break;
 180
 181                 case IS_HTTP_RESPONSE:
 182                         HTTP_INFO(message).response.code = HTTP_INFO(info).response.code;
 183                         STR_SET(HTTP_INFO(message).response.status, HTTP_INFO(info).response.status ? estrdup(HTTP_INFO(info).response.status) : NULL);
 184                         break;
 185
 186                 default:
 187                         break;
 188         }
 189 }
 190
 191 #define http_message_body_parse(m, ms, ml, c) _http_message_body_parse((m), (ms), (ml), (c) TSRMLS_CC)
 192 static inline void _http_message_body_parse(http_message *msg, const char *message, size_t message_length, const char **continue_at TSRMLS_DC)
 193 {
 194         zval *c;
 195         size_t remaining;
 196         const char *body;
 197
 198         *continue_at = NULL;
 199         if ((body = http_locate_body(message))) {
 200                 remaining = message + message_length - body;
 201
 202                 if ((c = http_message_header(msg, "Transfer-Encoding"))) {
 203                         if (strstr(Z_STRVAL_P(c), "chunked")) {
 204                                 /* message has chunked transfer encoding */
 205                                 char *decoded;
 206                                 size_t decoded_len;
 207
 208                                 /* decode and replace Transfer-Encoding with Content-Length header */
 209                                 if ((*continue_at = http_encoding_dechunk(body, message + message_length - body, &decoded, &decoded_len))) {
 210                                         zval *len;
 211                                         char *tmp;
 212                                         int tmp_len;
 213
 214                                         tmp_len = (int) spprintf(&tmp, 0, "%zu", decoded_len);
 215                                         MAKE_STD_ZVAL(len);
 216                                         ZVAL_STRINGL(len, tmp, tmp_len, 0);
 217
 218                                         ZVAL_ADDREF(c);
 219                                         zend_hash_update(&msg->hdrs, "X-Original-Transfer-Encoding", sizeof("X-Original-Transfer-Encoding"), (void *) &c, sizeof(zval *), NULL);
 220                                         zend_hash_del(&msg->hdrs, "Transfer-Encoding", sizeof("Transfer-Encoding"));
 221                                         zend_hash_del(&msg->hdrs, "Content-Length", sizeof("Content-Length"));
 222                                         zend_hash_update(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
 223
 224                                         phpstr_from_string_ex(PHPSTR(msg), decoded, decoded_len);
 225                                         efree(decoded);
 226                                 }
 227                         }
 228                         zval_ptr_dtor(&c);
 229                 }
 230
 231                 if (!*continue_at && (c = http_message_header(msg, "Content-Length"))) {
 232                         /* message has content-length header */
 233                         ulong len = strtoul(Z_STRVAL_P(c), NULL, 10);
 234                         if (len > remaining) {
 235                                 http_error_ex(HE_NOTICE, HTTP_E_MALFORMED_HEADERS, "The Content-Length header pretends a larger body than actually received (expected %lu bytes; got %lu bytes)", len, remaining);
 236                                 len = remaining;
 237                         }
 238                         phpstr_from_string_ex(PHPSTR(msg), body, len);
 239                         *continue_at = body + len;
 240                         zval_ptr_dtor(&c);
 241                 }
 242
 243                 if (!*continue_at && (c = http_message_header(msg, "Content-Range"))) {
 244                         /* message has content-range header */
 245                         ulong total = 0, start = 0, end = 0, len = 0;
 246
 247                         if (!strncasecmp(Z_STRVAL_P(c), "bytes", lenof("bytes")) &&
 248                                         (       Z_STRVAL_P(c)[lenof("bytes")] == ':' ||
 249                                                 Z_STRVAL_P(c)[lenof("bytes")] == ' ' ||
 250                                                 Z_STRVAL_P(c)[lenof("bytes")] == '=')) {
 251                                 char *total_at = NULL, *end_at = NULL;
 252                                 char *start_at = Z_STRVAL_P(c) + sizeof("bytes");
 253
 254                                 start = strtoul(start_at, &end_at, 10);
 255                                 if (end_at) {
 256                                         end = strtoul(end_at + 1, &total_at, 10);
 257                                         if (total_at && strncmp(total_at + 1, "*", 1)) {
 258                                                 total = strtoul(total_at + 1, NULL, 10);
 259                                         }
 260                                         if ((len = (end + 1 - start)) > remaining) {
 261                                                 http_error_ex(HE_NOTICE, HTTP_E_MALFORMED_HEADERS, "The Content-Range header pretends a larger body than actually received (expected %lu bytes; got %lu bytes)", len, remaining);
 262                                                 len = remaining;
 263                                         }
 264                                         if (end >= start && (!total || end < total)) {
 265                                                 phpstr_from_string_ex(PHPSTR(msg), body, len);
 266                                                 *continue_at = body + len;
 267                                         }
 268                                 }
 269                         }
 270
 271                         if (!*continue_at) {
 272                                 http_error_ex(HE_WARNING, HTTP_E_MALFORMED_HEADERS, "Invalid Content-Range header: %s", Z_STRVAL_P(c));
 273                         }
 274                         zval_ptr_dtor(&c);
 275                 }
 276
 277                 if (!*continue_at) {
 278                         /* no headers that indicate content length */
 279                         if (HTTP_MSG_TYPE(RESPONSE, msg)) {
 280                                 phpstr_from_string_ex(PHPSTR(msg), body, remaining);
 281                         } else {
 282                                 *continue_at = body;
 283                         }
 284                 }
 285
 286 #ifdef HTTP_HAVE_ZLIB
 287                 /* check for compressed data */
 288                 if ((c = http_message_header(msg, "Content-Encoding"))) {
 289                         char *decoded = NULL;
 290                         size_t decoded_len = 0;
 291
 292                         if (    !strcasecmp(Z_STRVAL_P(c), "gzip") ||
 293                                         !strcasecmp(Z_STRVAL_P(c), "x-gzip") ||
 294                                         !strcasecmp(Z_STRVAL_P(c), "deflate")) {
 295                                 http_encoding_inflate(PHPSTR_VAL(msg), PHPSTR_LEN(msg), &decoded, &decoded_len);
 296                         }
 297
 298                         if (decoded) {
 299                                 zval *len, **original_len;
 300                                 char *tmp;
 301                                 int tmp_len;
 302
 303                                 tmp_len = (int) spprintf(&tmp, 0, "%zu", decoded_len);
 304                                 MAKE_STD_ZVAL(len);
 305                                 ZVAL_STRINGL(len, tmp, tmp_len, 0);
 306
 307                                 ZVAL_ADDREF(c);
 308                                 zend_hash_update(&msg->hdrs, "X-Original-Content-Encoding", sizeof("X-Original-Content-Encoding"), (void *) &c, sizeof(zval *), NULL);
 309                                 zend_hash_del(&msg->hdrs, "Content-Encoding", sizeof("Content-Encoding"));
 310                                 if (SUCCESS == zend_hash_find(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &original_len)) {
 311                                         ZVAL_ADDREF(*original_len);
 312                                         zend_hash_update(&msg->hdrs, "X-Original-Content-Length", sizeof("X-Original-Content-Length"), (void *) original_len, sizeof(zval *), NULL);
 313                                         zend_hash_update(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
 314                                 } else {
 315                                         zend_hash_update(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
 316                                 }
 317
 318                                 phpstr_dtor(PHPSTR(msg));
 319                                 PHPSTR(msg)->data = decoded;
 320                                 PHPSTR(msg)->used = decoded_len;
 321                                 PHPSTR(msg)->free = 1;
 322                         }
 323
 324                         zval_ptr_dtor(&c);
 325                 }
 326 #endif /* HTTP_HAVE_ZLIB */
 327         }
 328 }
 329
 330 PHP_HTTP_API http_message *_http_message_parse_ex(http_message *msg, const char *message, size_t message_length ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC TSRMLS_DC)
 331 {
 332         const char *continue_at;
 333         zend_bool free_msg = msg ? 0 : 1;
 334
 335         if ((!message) || (message_length < HTTP_MSG_MIN_SIZE)) {
 336                 http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "Empty or too short HTTP message: '%s'", message);
 337                 return NULL;
 338         }
 339
 340         msg = http_message_init_rel(msg, 0);
 341
 342         if (SUCCESS != http_parse_headers_cb(message, &msg->hdrs, 1, (http_info_callback) http_message_info_callback, (void *) &msg)) {
 343                 if (free_msg) {
 344                         http_message_free(&msg);
 345                 }
 346                 http_error(HE_WARNING, HTTP_E_MALFORMED_HEADERS, "Failed to parse message headers");
 347                 return NULL;
 348         }
 349
 350         http_message_body_parse(msg, message, message_length, &continue_at);
 351
 352         /* check for following messages */
 353         if (continue_at && (continue_at < (message + message_length))) {
 354                 while (HTTP_IS_CTYPE(space, *continue_at)) ++continue_at;
 355                 if (continue_at < (message + message_length)) {
 356                         http_message *next = NULL, *most = NULL;
 357
 358                         /* set current message to parent of most parent following messages and return deepest */
 359                         if ((most = next = http_message_parse_rel(NULL, continue_at, message + message_length - continue_at))) {
 360                                 while (most->parent) most = most->parent;
 361                                 most->parent = msg;
 362                                 msg = next;
 363                         }
 364                 }
 365         }
 366
 367         return msg;
 368 }
 369
 370 PHP_HTTP_API void _http_message_tostring(http_message *msg, char **string, size_t *length)
 371 {
 372         phpstr str;
 373         HashKey key = initHashKey(0);
 374         zval **header;
 375         char *data;
 376         HashPosition pos1;
 377
 378         phpstr_init_ex(&str, 4096, 0);
 379
 380         switch (msg->type) {
 381                 case HTTP_MSG_REQUEST:
 382                         phpstr_appendf(&str, HTTP_INFO_REQUEST_FMT_ARGS(&msg->http, HTTP_CRLF));
 383                         break;
 384
 385                 case HTTP_MSG_RESPONSE:
 386                         phpstr_appendf(&str, HTTP_INFO_RESPONSE_FMT_ARGS(&msg->http, HTTP_CRLF));
 387                         break;
 388
 389                 case HTTP_MSG_NONE:
 390                 default:
 391                         break;
 392         }
 393
 394         FOREACH_HASH_KEYVAL(pos1, &msg->hdrs, key, header) {
 395                 if (key.type == HASH_KEY_IS_STRING) {
 396                         HashPosition pos2;
 397                         zval **single_header;
 398
 399                         switch (Z_TYPE_PP(header)) {
 400                                 case IS_BOOL:
 401                                         phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key.str, Z_BVAL_PP(header)?"true":"false");
 402                                         break;
 403
 404                                 case IS_LONG:
 405                                         phpstr_appendf(&str, "%s: %ld" HTTP_CRLF, key.str, Z_LVAL_PP(header));
 406                                         break;
 407
 408                                 case IS_DOUBLE:
 409                                         phpstr_appendf(&str, "%s: %f" HTTP_CRLF, key.str, Z_DVAL_PP(header));
 410                                         break;
 411
 412                                 case IS_STRING:
 413                                         phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key.str, Z_STRVAL_PP(header));
 414                                         break;
 415
 416                                 case IS_ARRAY:
 417                                         FOREACH_VAL(pos2, *header, single_header) {
 418                                                 switch (Z_TYPE_PP(single_header)) {
 419                                                         case IS_BOOL:
 420                                                                 phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key.str, Z_BVAL_PP(single_header)?"true":"false");
 421                                                                 break;
 422
 423                                                         case IS_LONG:
 424                                                                 phpstr_appendf(&str, "%s: %ld" HTTP_CRLF, key.str, Z_LVAL_PP(single_header));
 425                                                                 break;
 426
 427                                                         case IS_DOUBLE:
 428                                                                 phpstr_appendf(&str, "%s: %f" HTTP_CRLF, key.str, Z_DVAL_PP(single_header));
 429                                                                 break;
 430
 431                                                         case IS_STRING:
 432                                                                 phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key.str, Z_STRVAL_PP(single_header));
 433                                                                 break;
 434                                                 }
 435                                         }
 436                                         break;
 437                         }
 438                 }
 439         }
 440
 441         if (PHPSTR_LEN(msg)) {
 442                 phpstr_appends(&str, HTTP_CRLF);
 443                 phpstr_append(&str, PHPSTR_VAL(msg), PHPSTR_LEN(msg));
 444                 phpstr_appends(&str, HTTP_CRLF);
 445         }
 446
 447         data = phpstr_data(&str, string, length);
 448         if (!string) {
 449                 efree(data);
 450         }
 451
 452         phpstr_dtor(&str);
 453 }
 454
 455 PHP_HTTP_API void _http_message_serialize(http_message *message, char **string, size_t *length)
 456 {
 457         char *buf;
 458         size_t len;
 459         phpstr str;
 460
 461         phpstr_init(&str);
 462
 463         do {
 464                 http_message_tostring(message, &buf, &len);
 465                 phpstr_prepend(&str, buf, len);
 466                 efree(buf);
 467         } while ((message = message->parent));
 468
 469         buf = phpstr_data(&str, string, length);
 470         if (!string) {
 471                 efree(buf);
 472         }
 473
 474         phpstr_dtor(&str);
 475 }
 476
 477 PHP_HTTP_API http_message *_http_message_reverse(http_message *msg)
 478 {
 479         int i, c;
 480
 481         http_message_count(c, msg);
 482
 483         if (c > 1) {
 484                 http_message *tmp = msg, **arr = ecalloc(c, sizeof(http_message *));
 485
 486                 for (i = 0; i < c; ++i) {
 487                         arr[i] = tmp;
 488                         tmp = tmp->parent;
 489                 }
 490                 arr[0]->parent = NULL;
 491                 for (i = 0; i < c-1; ++i) {
 492                         arr[i+1]->parent = arr[i];
 493                 }
 494
 495                 msg = arr[c-1];
 496                 efree(arr);
 497         }
 498
 499         return msg;
 500 }
 501
 502 PHP_HTTP_API http_message *_http_message_interconnect(http_message *m1, http_message *m2)
 503 {
 504         if (m1 && m2) {
 505                 int i = 0, c1, c2;
 506                 http_message *t1 = m1, *t2 = m2, *p1, *p2;
 507
 508                 http_message_count(c1, m1);
 509                 http_message_count(c2, m2);
 510
 511                 while (i++ < (c1 - c2)) {
 512                         t1 = t1->parent;
 513                 }
 514                 while (i++ <= c1) {
 515                         p1 = t1->parent;
 516                         p2 = t2->parent;
 517                         t1->parent = t2;
 518                         t2->parent = p1;
 519                         t1 = p1;
 520                         t2 = p2;
 521                 }
 522         } else if (!m1 && m2) {
 523                 m1 = m2;
 524         }
 525         return m1;
 526 }
 527
 528 PHP_HTTP_API void _http_message_tostruct_recursive(http_message *msg, zval *obj TSRMLS_DC)
 529 {
 530         zval strct;
 531         zval *headers;
 532
 533         INIT_ZARR(strct, HASH_OF(obj));
 534
 535         add_assoc_long(&strct, "type", msg->type);
 536         add_assoc_double(&strct, "httpVersion", msg->http.version);
 537         switch (msg->type)
 538         {
 539                 case HTTP_MSG_RESPONSE:
 540                         add_assoc_long(&strct, "responseCode", msg->http.info.response.code);
 541                         add_assoc_string(&strct, "responseStatus", STR_PTR(msg->http.info.response.status), 1);
 542                 break;
 543
 544                 case HTTP_MSG_REQUEST:
 545                         add_assoc_string(&strct, "requestMethod", STR_PTR(msg->http.info.request.method), 1);
 546                         add_assoc_string(&strct, "requestUrl", STR_PTR(msg->http.info.request.url), 1);
 547                 break;
 548
 549                 case HTTP_MSG_NONE:
 550                         /* avoid compiler warning */
 551                 break;
 552         }
 553
 554         MAKE_STD_ZVAL(headers);
 555         array_init(headers);
 556         zend_hash_copy(Z_ARRVAL_P(headers), &msg->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 557         add_assoc_zval(&strct, "headers", headers);
 558
 559         add_assoc_stringl(&strct, "body", PHPSTR_VAL(msg), PHPSTR_LEN(msg), 1);
 560
 561         if (msg->parent) {
 562                 zval *parent;
 563
 564                 MAKE_STD_ZVAL(parent);
 565                 if (Z_TYPE_P(obj) == IS_ARRAY) {
 566                         array_init(parent);
 567                 } else {
 568                         object_init(parent);
 569                 }
 570                 add_assoc_zval(&strct, "parentMessage", parent);
 571                 http_message_tostruct_recursive(msg->parent, parent);
 572         } else {
 573                 add_assoc_null(&strct, "parentMessage");
 574         }
 575 }
 576
 577 PHP_HTTP_API STATUS _http_message_send(http_message *message TSRMLS_DC)
 578 {
 579         STATUS rs = FAILURE;
 580
 581         switch (message->type) {
 582                 case HTTP_MSG_RESPONSE:
 583                 {
 584                         HashKey key = initHashKey(0);
 585                         zval **val;
 586                         HashPosition pos;
 587
 588                         FOREACH_HASH_KEYVAL(pos, &message->hdrs, key, val) {
 589                                 if (key.type == HASH_KEY_IS_STRING) {
 590                                         http_send_header_zval_ex(key.str, key.len-1, val, 1);
 591                                 }
 592                         }
 593                         rs =    SUCCESS == http_send_status(message->http.info.response.code) &&
 594                                         SUCCESS == http_send_data(PHPSTR_VAL(message), PHPSTR_LEN(message)) ?
 595                                         SUCCESS : FAILURE;
 596                         break;
 597                 }
 598
 599                 case HTTP_MSG_REQUEST:
 600                 {
 601 #ifdef HTTP_HAVE_CURL
 602                         char *uri = NULL;
 603                         http_request request;
 604                         zval **zhost, *options, *headers;
 605
 606                         MAKE_STD_ZVAL(options);
 607                         MAKE_STD_ZVAL(headers);
 608                         array_init(options);
 609                         array_init(headers);
 610                         zend_hash_copy(Z_ARRVAL_P(headers), &message->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 611                         add_assoc_zval(options, "headers", headers);
 612
 613                         /* check host header */
 614                         if (SUCCESS == zend_hash_find(&message->hdrs, "Host", sizeof("Host"), (void *) &zhost) && Z_TYPE_PP(zhost) == IS_STRING) {
 615                                 char *colon = NULL;
 616                                 php_url parts, *url = php_url_parse(message->http.info.request.url);
 617
 618                                 memset(&parts, 0, sizeof(php_url));
 619
 620                                 /* check for port */
 621                                 if ((colon = strchr(Z_STRVAL_PP(zhost), ':'))) {
 622                                         parts.port = atoi(colon + 1);
 623                                         parts.host = estrndup(Z_STRVAL_PP(zhost), (Z_STRVAL_PP(zhost) - colon - 1));
 624                                 } else {
 625                                         parts.host = estrndup(Z_STRVAL_PP(zhost), Z_STRLEN_PP(zhost));
 626                                 }
 627
 628                                 http_build_url(HTTP_URL_REPLACE, url, &parts, NULL, &uri, NULL);
 629                                 php_url_free(url);
 630                                 efree(parts.host);
 631                         } else {
 632                                 uri = http_absolute_url(message->http.info.request.url);
 633                         }
 634
 635                         if ((request.meth = http_request_method_exists(1, 0, message->http.info.request.method))) {
 636                                 http_request_body body;
 637
 638                                 http_request_init_ex(&request, NULL, request.meth, uri);
 639                                 request.body = http_request_body_init_ex(&body, HTTP_REQUEST_BODY_CSTRING, PHPSTR_VAL(message), PHPSTR_LEN(message), 0);
 640                                 if (SUCCESS == (rs = http_request_prepare(&request, Z_ARRVAL_P(options)))) {
 641                                         http_request_exec(&request);
 642                                 }
 643                                 http_request_dtor(&request);
 644                         } else {
 645                                 http_error_ex(HE_WARNING, HTTP_E_REQUEST_METHOD,
 646                                         "Cannot send HttpMessage. Request method %s not supported",
 647                                         message->http.info.request.method);
 648                         }
 649                         efree(uri);
 650                         zval_ptr_dtor(&options);
 651 #else
 652                         http_error(HE_WARNING, HTTP_E_RUNTIME, "HTTP requests not supported - ext/http was not linked against libcurl.");
 653 #endif
 654                 break;
 655                 }
 656
 657                 case HTTP_MSG_NONE:
 658                 default:
 659                         http_error(HE_WARNING, HTTP_E_MESSAGE_TYPE, "HttpMessage is neither of type HTTP_MSG_REQUEST nor HTTP_MSG_RESPONSE");
 660                         break;
 661         }
 662
 663         return rs;
 664 }
 665
 666 PHP_HTTP_API http_message *_http_message_dup(http_message *orig TSRMLS_DC)
 667 {
 668         http_message *temp, *copy = NULL;
 669         http_info info;
 670
 671         if (orig) {
 672                 info.type = orig->type;
 673                 info.http = orig->http;
 674
 675                 copy = temp = http_message_new();
 676                 http_message_set_info(temp, &info);
 677                 zend_hash_copy(&temp->hdrs, &orig->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 678                 phpstr_append(&temp->body, orig->body.data, orig->body.used);
 679
 680                 while (orig->parent) {
 681                         info.type = orig->parent->type;
 682                         info.http = orig->parent->http;
 683
 684                         temp->parent = http_message_new();
 685                         http_message_set_info(temp->parent, &info);
 686                         zend_hash_copy(&temp->parent->hdrs, &orig->parent->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 687                         phpstr_append(&temp->parent->body, orig->parent->body.data, orig->parent->body.used);
 688
 689                         temp = temp->parent;
 690                         orig = orig->parent;
 691                 }
 692         }
 693
 694         return copy;
 695 }
 696
 697 PHP_HTTP_API void _http_message_dtor(http_message *message)
 698 {
 699         if (message) {
 700                 zend_hash_destroy(&message->hdrs);
 701                 phpstr_dtor(PHPSTR(message));
 702
 703                 switch (message->type) {
 704                         case HTTP_MSG_REQUEST:
 705                                 STR_SET(message->http.info.request.method, NULL);
 706                                 STR_SET(message->http.info.request.url, NULL);
 707                                 break;
 708
 709                         case HTTP_MSG_RESPONSE:
 710                                 STR_SET(message->http.info.response.status, NULL);
 711                                 break;
 712
 713                         default:
 714                                 break;
 715                 }
 716         }
 717 }
 718
 719 PHP_HTTP_API void _http_message_free(http_message **message)
 720 {
 721         if (*message) {
 722                 if ((*message)->parent) {
 723                         http_message_free(&(*message)->parent);
 724                 }
 725                 http_message_dtor(*message);
 726                 efree(*message);
 727                 *message = NULL;
 728         }
 729 }
 730
 731 /*
 732  * Local variables:
 733  * tab-width: 4
 734  * c-basic-offset: 4
 735  * End:
 736  * vim600: noet sw=4 ts=4 fdm=marker
 737  * vim<600: noet sw=4 ts=4
 738  */
 739