git.m6w6.name Git - m6w6/ext-http/blob - php_http_misc.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) 2004-2011, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 #include "php_http_api.h"
  14
  15 #include <ext/standard/php_lcg.h>
  16 #include <zend_exceptions.h>
  17
  18 /* SLEEP */
  19
  20 PHP_HTTP_API void php_http_sleep(double s)
  21 {
  22 #if defined(PHP_WIN32)
  23         Sleep((DWORD) PHP_HTTP_MSEC(s));
  24 #elif defined(HAVE_USLEEP)
  25         usleep(PHP_HTTP_USEC(s));
  26 #elif defined(HAVE_NANOSLEEP)
  27         struct timespec req, rem;
  28
  29         req.tv_sec = (time_t) s;
  30         req.tv_nsec = PHP_HTTP_NSEC(s) % PHP_HTTP_NANOSEC;
  31
  32         while (nanosleep(&req, &rem) && (errno == EINTR) && (PHP_HTTP_NSEC(rem.tv_sec) + rem.tv_nsec) > PHP_HTTP_NSEC(PHP_HTTP_DIFFSEC))) {
  33                 req.tv_sec = rem.tv_sec;
  34                 req.tv_nsec = rem.tv_nsec;
  35         }
  36 #else
  37         struct timeval timeout;
  38
  39         timeout.tv_sec = (time_t) s;
  40         timeout.tv_usec = PHP_HTTP_USEC(s) % PHP_HTTP_MCROSEC;
  41
  42         select(0, NULL, NULL, NULL, &timeout);
  43 #endif
  44 }
  45
  46
  47 /* STRING UTILITIES */
  48
  49 int php_http_match(const char *haystack_str, const char *needle_str, int flags)
  50 {
  51         int result = 0;
  52
  53         if (!haystack_str || !needle_str) {
  54                 return result;
  55         }
  56
  57         if (flags & PHP_HTTP_MATCH_FULL) {
  58                 if (flags & PHP_HTTP_MATCH_CASE) {
  59                         result = !strcmp(haystack_str, needle_str);
  60                 } else {
  61                         result = !strcasecmp(haystack_str, needle_str);
  62                 }
  63         } else {
  64                 char *found, *haystack = estrdup(haystack_str), *needle = estrdup(needle_str);
  65
  66                 if (flags & PHP_HTTP_MATCH_CASE) {
  67                         found = zend_memnstr(haystack, needle, strlen(needle), haystack+strlen(haystack));
  68                 } else {
  69                         found = php_stristr(haystack, needle, strlen(haystack), strlen(needle));
  70                 }
  71
  72                 if (found) {
  73                         if (!(flags & PHP_HTTP_MATCH_WORD)
  74                         ||      (       (found == haystack || !PHP_HTTP_IS_CTYPE(alnum, *(found - 1)))
  75                                 &&      (!*(found + strlen(needle)) || !PHP_HTTP_IS_CTYPE(alnum, *(found + strlen(needle))))
  76                                 )
  77                         ) {
  78                                 result = 1;
  79                         }
  80                 }
  81
  82                 STR_FREE(haystack);
  83                 STR_FREE(needle);
  84         }
  85
  86         return result;
  87 }
  88
  89 char *php_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen)
  90 {
  91         size_t i;
  92         int wasalpha;
  93
  94         if (key && key_len) {
  95                 if ((wasalpha = PHP_HTTP_IS_CTYPE(alpha, key[0]))) {
  96                         key[0] = (char) (uctitle ? PHP_HTTP_TO_CTYPE(upper, key[0]) : PHP_HTTP_TO_CTYPE(lower, key[0]));
  97                 }
  98                 for (i = 1; i < key_len; i++) {
  99                         if (PHP_HTTP_IS_CTYPE(alpha, key[i])) {
 100                                 key[i] = (char) (((!wasalpha) && uctitle) ? PHP_HTTP_TO_CTYPE(upper, key[i]) : PHP_HTTP_TO_CTYPE(lower, key[i]));
 101                                 wasalpha = 1;
 102                         } else {
 103                                 if (xhyphen && (key[i] == '_')) {
 104                                         key[i] = '-';
 105                                 }
 106                                 wasalpha = 0;
 107                         }
 108                 }
 109         }
 110         return key;
 111 }
 112
 113
 114 size_t php_http_boundary(char *buf, size_t buf_len TSRMLS_DC)
 115 {
 116         return snprintf(buf, buf_len, "%15.15F", PHP_HTTP_G->env.request.time * php_combined_lcg(TSRMLS_C));
 117 }
 118
 119 int php_http_select_str(const char *cmp, int argc, ...)
 120 {
 121         va_list argv;
 122         int match = -1;
 123
 124         if (cmp && argc > 0) {
 125                 int i;
 126
 127                 va_start(argv, argc);
 128                 for (i = 0; i < argc; ++i) {
 129                         const char *test = va_arg(argv, const char *);
 130
 131                         if (!strcasecmp(cmp, test)) {
 132                                 match = i;
 133                                 break;
 134                         }
 135                 }
 136                 va_end(argv);
 137         }
 138
 139         return match;
 140 }
 141
 142
 143 /* ARRAYS */
 144
 145 int php_http_array_apply_append_func(void *pDest TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key)
 146 {
 147         int flags;
 148         char *key = NULL;
 149         HashTable *dst;
 150         zval **data = NULL, **value = (zval **) pDest;
 151
 152         dst = va_arg(args, HashTable *);
 153         flags = va_arg(args, int);
 154
 155         if ((!(flags & ARRAY_JOIN_STRONLY)) || hash_key->nKeyLength) {
 156                 if ((flags & ARRAY_JOIN_PRETTIFY) && hash_key->nKeyLength) {
 157                         key = php_http_pretty_key(estrndup(hash_key->arKey, hash_key->nKeyLength - 1), hash_key->nKeyLength - 1, 1, 1);
 158                         zend_hash_find(dst, key, hash_key->nKeyLength, (void *) &data);
 159                 } else {
 160                         zend_hash_quick_find(dst, hash_key->arKey, hash_key->nKeyLength, hash_key->h, (void *) &data);
 161                 }
 162
 163                 Z_ADDREF_P(*value);
 164                 if (data) {
 165                         if (Z_TYPE_PP(data) != IS_ARRAY) {
 166                                 convert_to_array(*data);
 167                         }
 168                         add_next_index_zval(*data, *value);
 169                 } else if (key) {
 170                         zend_symtable_update(dst, key, hash_key->nKeyLength, value, sizeof(zval *), NULL);
 171                 } else {
 172                         zend_hash_quick_add(dst, hash_key->arKey, hash_key->nKeyLength, hash_key->h, value, sizeof(zval *), NULL);
 173                 }
 174
 175                 if (key) {
 176                         efree(key);
 177                 }
 178         }
 179
 180         return ZEND_HASH_APPLY_KEEP;
 181 }
 182
 183 int php_http_array_apply_merge_func(void *pDest TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key)
 184 {
 185         int flags;
 186         char *key = NULL;
 187         HashTable *dst;
 188         zval **value = (zval **) pDest;
 189
 190         dst = va_arg(args, HashTable *);
 191         flags = va_arg(args, int);
 192
 193         if ((!(flags & ARRAY_JOIN_STRONLY)) || hash_key->nKeyLength) {
 194                 Z_ADDREF_P(*value);
 195                 if ((flags & ARRAY_JOIN_PRETTIFY) && hash_key->nKeyLength) {
 196                         key = php_http_pretty_key(estrndup(hash_key->arKey, hash_key->nKeyLength - 1), hash_key->nKeyLength - 1, 1, 1);
 197                         zend_hash_update(dst, key, hash_key->nKeyLength, (void *) value, sizeof(zval *), NULL);
 198                         efree(key);
 199                 } else {
 200                         zend_hash_quick_update(dst, hash_key->arKey, hash_key->nKeyLength, hash_key->h, (void *) value, sizeof(zval *), NULL);
 201                 }
 202         }
 203
 204         return ZEND_HASH_APPLY_KEEP;
 205 }
 206
 207 /* PASS CALLBACK */
 208
 209 PHP_HTTP_API size_t php_http_pass_wrapper(php_http_pass_callback_arg_t *cb, const char *str, size_t len)
 210 {
 211         TSRMLS_FETCH();
 212         return cb->cb_zts(cb->cb_arg, str, len TSRMLS_CC);
 213 }
 214
 215 /* ERROR */
 216
 217 static inline int scope_error_handling(long type TSRMLS_DC)
 218 {
 219         if ((type == E_THROW) || (EG(error_handling) == EH_THROW)) {
 220                 return EH_THROW;
 221         }
 222
 223         if (EG(This) && instanceof_function(Z_OBJCE_P(EG(This)), php_http_object_class_entry TSRMLS_CC)) {
 224                 return php_http_object_get_error_handling(EG(This) TSRMLS_CC);
 225         }
 226
 227         return EH_NORMAL;
 228 }
 229
 230 void php_http_error(long type TSRMLS_DC, long code, const char *format, ...)
 231 {
 232         va_list args;
 233
 234         va_start(args, format);
 235         switch (scope_error_handling(type TSRMLS_CC)) {
 236                 case EH_THROW: {
 237                         char *message;
 238                         zend_class_entry *ce = php_http_exception_class_entry;
 239
 240                         if (0&& EG(exception_class) && instanceof_function(EG(exception_class), php_http_exception_class_entry TSRMLS_CC)) {
 241                                 ce = EG(exception_class);
 242                         }
 243
 244                         vspprintf(&message, 0, format, args);
 245                         zend_throw_exception(ce, message, code TSRMLS_CC);
 246                         efree(message);
 247                         break;
 248                 }
 249                 case EH_NORMAL:
 250                         php_verror(NULL, "", type, format, args TSRMLS_CC);
 251                         break;
 252                 case EH_SUPPRESS:
 253                         break;
 254         }
 255         va_end(args);
 256 }
 257
 258 /*
 259  * Local variables:
 260  * tab-width: 4
 261  * c-basic-offset: 4
 262  * End:
 263  * vim600: noet sw=4 ts=4 fdm=marker
 264  * vim<600: noet sw=4 ts=4
 265  */