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