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