git.m6w6.name Git - m6w6/ext-http/blob - http_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) 2004-2006, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15 #ifdef HAVE_CONFIG_H
  16 #       include "config.h"
  17 #endif
  18
  19 #include "php_http.h"
  20
  21 #include "SAPI.h"
  22 #include "php_output.h"
  23 #include "ext/standard/url.h"
  24
  25 #include "php_http_api.h"
  26 #include "php_http_send_api.h"
  27
  28 #ifdef ZEND_ENGINE_2
  29 #       include "php_http_exception_object.h"
  30 #endif
  31
  32 PHP_MINIT_FUNCTION(http_support)
  33 {
  34         HTTP_LONG_CONSTANT("HTTP_SUPPORT", HTTP_SUPPORT);
  35         HTTP_LONG_CONSTANT("HTTP_SUPPORT_REQUESTS", HTTP_SUPPORT_REQUESTS);
  36         HTTP_LONG_CONSTANT("HTTP_SUPPORT_MAGICMIME", HTTP_SUPPORT_MAGICMIME);
  37         HTTP_LONG_CONSTANT("HTTP_SUPPORT_ENCODINGS", HTTP_SUPPORT_ENCODINGS);
  38         HTTP_LONG_CONSTANT("HTTP_SUPPORT_SSLREQUESTS", HTTP_SUPPORT_SSLREQUESTS);
  39
  40         return SUCCESS;
  41 }
  42
  43 PHP_HTTP_API long _http_support(long feature)
  44 {
  45         long support = HTTP_SUPPORT;
  46
  47 #ifdef HTTP_HAVE_CURL
  48         support |= HTTP_SUPPORT_REQUESTS;
  49 #       ifdef HTTP_HAVE_SSL
  50         support |= HTTP_SUPPORT_SSLREQUESTS;
  51 #       endif
  52 #endif
  53 #ifdef HTTP_HAVE_MAGIC
  54         support |= HTTP_SUPPORT_MAGICMIME;
  55 #endif
  56 #ifdef HTTP_HAVE_ZLIB
  57         support |= HTTP_SUPPORT_ENCODINGS;
  58 #endif
  59
  60         if (feature) {
  61                 return (feature == (support & feature));
  62         }
  63         return support;
  64 }
  65
  66 /* char *pretty_key(char *, size_t, zend_bool, zend_bool) */
  67 char *_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen)
  68 {
  69         if (key && key_len) {
  70                 size_t i;
  71                 int wasalpha;
  72                 if ((wasalpha = isalpha((int) key[0]))) {
  73                         key[0] = (char) (uctitle ? toupper((int) key[0]) : tolower((int) key[0]));
  74                 }
  75                 for (i = 1; i < key_len; i++) {
  76                         if (isalpha((int) key[i])) {
  77                                 key[i] = (char) (((!wasalpha) && uctitle) ? toupper((int) key[i]) : tolower((int) key[i]));
  78                                 wasalpha = 1;
  79                         } else {
  80                                 if (xhyphen && (key[i] == '_')) {
  81                                         key[i] = '-';
  82                                 }
  83                                 wasalpha = 0;
  84                         }
  85                 }
  86         }
  87         return key;
  88 }
  89 /* }}} */
  90
  91 /* {{{ */
  92 void _http_key_list_default_decoder(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC)
  93 {
  94         *decoded = estrndup(encoded, encoded_len);
  95         *decoded_len = (size_t) php_url_decode(*decoded, encoded_len);
  96 }
  97 /* }}} */
  98
  99 /* {{{ */
 100 STATUS _http_parse_key_list(const char *list, HashTable *items, char separator, http_key_list_decode_t decode, zend_bool first_entry_is_name_value_pair TSRMLS_DC)
 101 {
 102         const char *key = list, *val = NULL;
 103         int vallen = 0, keylen = 0, done = 0;
 104         zval array;
 105
 106         INIT_ZARR(array, items);
 107
 108         if (!(val = strchr(list, '='))) {
 109                 return FAILURE;
 110         }
 111
 112 #define HTTP_KEYLIST_VAL(array, k, str, len) \
 113         { \
 114                 char *decoded; \
 115                 size_t decoded_len; \
 116                 if (decode) { \
 117                         decode(str, len, &decoded, &decoded_len TSRMLS_CC); \
 118                 } else { \
 119                         decoded_len = len; \
 120                         decoded = estrndup(str, decoded_len); \
 121                 } \
 122                 add_assoc_stringl(array, k, decoded, decoded_len, 0); \
 123         }
 124 #define HTTP_KEYLIST_FIXKEY() \
 125         { \
 126                         while (isspace(*key)) ++key; \
 127                         keylen = val - key; \
 128                         while (isspace(key[keylen - 1])) --keylen; \
 129         }
 130 #define HTTP_KEYLIST_FIXVAL() \
 131         { \
 132                         ++val; \
 133                         while (isspace(*val)) ++val; \
 134                         vallen = key - val; \
 135                         while (isspace(val[vallen - 1])) --vallen; \
 136         }
 137
 138         HTTP_KEYLIST_FIXKEY();
 139
 140         if (first_entry_is_name_value_pair) {
 141                 HTTP_KEYLIST_VAL(&array, "name", key, keylen);
 142
 143                 /* just one name=value */
 144                 if (!(key = strchr(val, separator))) {
 145                         key = val + strlen(val);
 146                         HTTP_KEYLIST_FIXVAL();
 147                         HTTP_KEYLIST_VAL(&array, "value", val, vallen);
 148                         return SUCCESS;
 149                 }
 150                 /* additional info appended */
 151                 else {
 152                         HTTP_KEYLIST_FIXVAL();
 153                         HTTP_KEYLIST_VAL(&array, "value", val, vallen);
 154                 }
 155         }
 156
 157         do {
 158                 char *keydup = NULL;
 159
 160                 if (!(val = strchr(key, '='))) {
 161                         break;
 162                 }
 163
 164                 /* start at 0 if first_entry_is_name_value_pair==0 */
 165                 if (zend_hash_num_elements(items)) {
 166                         ++key;
 167                 }
 168
 169                 HTTP_KEYLIST_FIXKEY();
 170                 keydup = estrndup(key, keylen);
 171                 if (!(key = strchr(val, separator))) {
 172                         done = 1;
 173                         key = val + strlen(val);
 174                 }
 175                 HTTP_KEYLIST_FIXVAL();
 176                 HTTP_KEYLIST_VAL(&array, keydup, val, vallen);
 177                 efree(keydup);
 178         } while (!done);
 179
 180         return SUCCESS;
 181 }
 182 /* }}} */
 183
 184 /* {{{ void http_error(long, long, char*) */
 185 void _http_error_ex(long type TSRMLS_DC, long code, const char *format, ...)
 186 {
 187         va_list args;
 188
 189         va_start(args, format);
 190 #ifdef ZEND_ENGINE_2
 191         if ((type == E_THROW) || (PG(error_handling) == EH_THROW)) {
 192                 char *message;
 193
 194                 vspprintf(&message, 0, format, args);
 195                 zend_throw_exception(http_exception_get_for_code(code), message, code TSRMLS_CC);
 196                 efree(message);
 197         } else
 198 #endif
 199         php_verror(NULL, "", type, format, args TSRMLS_CC);
 200         va_end(args);
 201 }
 202 /* }}} */
 203
 204 /* {{{ void http_log(char *, char *, char *) */
 205 void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
 206 {
 207         time_t now;
 208         struct tm nowtm;
 209         char datetime[20] = {0};
 210
 211         time(&now);
 212         strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm));
 213
 214 #define HTTP_LOG_WRITE(file, type, msg) \
 215         if (file && *file) { \
 216                 php_stream *log = php_stream_open_wrapper(file, "ab", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL); \
 217                  \
 218                 if (log) { \
 219                         php_stream_printf(log TSRMLS_CC, "%s\t[%s]\t%s\t<%s>%s", datetime, type, msg, SG(request_info).request_uri, PHP_EOL); \
 220                         php_stream_close(log); \
 221                 } \
 222          \
 223         }
 224
 225         HTTP_LOG_WRITE(file, ident, message);
 226         HTTP_LOG_WRITE(HTTP_G(log).composite, ident, message);
 227 }
 228 /* }}} */
 229
 230 static void http_ob_blackhole(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
 231 {
 232         *handled_output = ecalloc(1,1);
 233         *handled_output_len = 0;
 234 }
 235
 236 /* {{{ STATUS http_exit(int, char*, char*) */
 237 STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header TSRMLS_DC)
 238 {
 239         if (    (send_header && (SUCCESS != http_send_status_header(status, header))) ||
 240                         (!send_header && status && (SUCCESS != http_send_status(status)))) {
 241                 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Failed to exit with status/header: %d - %s", status, header ? header : "");
 242                 STR_FREE(header);
 243                 STR_FREE(body);
 244                 return FAILURE;
 245         }
 246
 247         php_end_ob_buffers(0 TSRMLS_CC);
 248         if ((SUCCESS == sapi_send_headers(TSRMLS_C)) && body) {
 249                 PHPWRITE(body, strlen(body));
 250         }
 251
 252         switch (status)
 253         {
 254                 case 301:       http_log(HTTP_G(log).redirect, "301-REDIRECT", header);                 break;
 255                 case 302:       http_log(HTTP_G(log).redirect, "302-REDIRECT", header);                 break;
 256                 case 303:       http_log(HTTP_G(log).redirect, "303-REDIRECT", header);                 break;
 257                 case 305:       http_log(HTTP_G(log).redirect, "305-REDIRECT", header);                 break;
 258                 case 307:       http_log(HTTP_G(log).redirect, "307-REDIRECT", header);                 break;
 259                 case 304:       http_log(HTTP_G(log).cache, "304-CACHE", header);                               break;
 260                 case 405:       http_log(HTTP_G(log).allowed_methods, "405-ALLOWED", header);   break;
 261                 default:        http_log(NULL, header, body);                                                                   break;
 262         }
 263
 264         STR_FREE(header);
 265         STR_FREE(body);
 266
 267         if (HTTP_G(force_exit)) {
 268                 zend_bailout();
 269         } else {
 270                 php_ob_set_internal_handler(http_ob_blackhole, 4096, "blackhole", 0 TSRMLS_CC);
 271         }
 272
 273         return SUCCESS;
 274 }
 275 /* }}} */
 276
 277 /* {{{ STATUS http_check_method(char *) */
 278 STATUS _http_check_method_ex(const char *method, const char *methods)
 279 {
 280         const char *found;
 281
 282         if (    (found = strstr(methods, method)) &&
 283                         (found == method || !isalpha(found[-1])) &&
 284                         (strlen(found) >= strlen(method) && !isalpha(found[strlen(method)]))) {
 285                 return SUCCESS;
 286         }
 287         return FAILURE;
 288 }
 289 /* }}} */
 290
 291 /* {{{ zval *http_get_server_var_ex(char *, size_t) */
 292 PHP_HTTP_API zval *_http_get_server_var_ex(const char *key, size_t key_size, zend_bool check TSRMLS_DC)
 293 {
 294         zval **hsv;
 295         zval **var;
 296
 297         if ((SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) || (Z_TYPE_PP(hsv) != IS_ARRAY)) {
 298                 return NULL;
 299         }
 300         if ((SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) || (Z_TYPE_PP(var) != IS_STRING)) {
 301                 return NULL;
 302         }
 303         if (check && !(Z_STRVAL_PP(var) && Z_STRLEN_PP(var))) {
 304                 return NULL;
 305         }
 306         return *var;
 307 }
 308 /* }}} */
 309
 310 /* {{{ STATUS http_get_request_body(char **, size_t *) */
 311 PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_bool dup TSRMLS_DC)
 312 {
 313         *length = 0;
 314         *body = NULL;
 315
 316         if (SG(request_info).raw_post_data) {
 317                 *length = SG(request_info).raw_post_data_length;
 318                 *body = SG(request_info).raw_post_data;
 319
 320                 if (dup) {
 321                         *body = estrndup(*body, *length);
 322                 }
 323                 return SUCCESS;
 324         } else if (sapi_module.read_post && !HTTP_G(read_post_data)) {
 325                 char buf[4096];
 326                 int len;
 327
 328                 HTTP_G(read_post_data) = 1;
 329
 330                 while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
 331                         *body = erealloc(*body, *length + len + 1);
 332                         memcpy(*body + *length, buf, len);
 333                         *length += len;
 334                         (*body)[*length] = '\0';
 335                 }
 336
 337                 /* check for error */
 338                 if (len < 0) {
 339                         STR_FREE(*body);
 340                         *length = 0;
 341                         return FAILURE;
 342                 }
 343
 344                 SG(request_info).raw_post_data = *body;
 345                 SG(request_info).raw_post_data_length = *length;
 346
 347                 if (dup) {
 348                         *body = estrndup(*body, *length);
 349                 }
 350                 return SUCCESS;
 351         }
 352
 353         return FAILURE;
 354 }
 355 /* }}} */
 356
 357 /* {{{ php_stream *_http_get_request_body_stream(void) */
 358 PHP_HTTP_API php_stream *_http_get_request_body_stream(TSRMLS_D)
 359 {
 360         php_stream *s = NULL;
 361
 362         if (SG(request_info).raw_post_data) {
 363                 s = php_stream_open_wrapper("php://input", "rb", 0, NULL);
 364         } else if (sapi_module.read_post && !HTTP_G(read_post_data)) {
 365                 HTTP_G(read_post_data) = 1;
 366
 367                 if ((s = php_stream_temp_new())) {
 368                         char buf[4096];
 369                         int len;
 370
 371                         while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
 372                                 php_stream_write(s, buf, len);
 373                         }
 374
 375                         if (len < 0) {
 376                                 php_stream_close(s);
 377                                 s = NULL;
 378                         } else {
 379                                 php_stream_rewind(s);
 380                         }
 381                 }
 382         }
 383
 384         return s;
 385 }
 386 /* }}} */
 387
 388 /*
 389  * Local variables:
 390  * tab-width: 4
 391  * c-basic-offset: 4
 392  * End:
 393  * vim600: noet sw=4 ts=4 fdm=marker
 394  * vim<600: noet sw=4 ts=4
 395  */
 396