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) 2004-2005, 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 ZEND_EXTERN_MODULE_GLOBALS(http);
  33
  34 PHP_MINIT_FUNCTION(http_support)
  35 {
  36         HTTP_LONG_CONSTANT("HTTP_SUPPORT", HTTP_SUPPORT);
  37         HTTP_LONG_CONSTANT("HTTP_SUPPORT_REQUESTS", HTTP_SUPPORT_REQUESTS);
  38         HTTP_LONG_CONSTANT("HTTP_SUPPORT_MAGICMIME", HTTP_SUPPORT_MAGICMIME);
  39         HTTP_LONG_CONSTANT("HTTP_SUPPORT_ENCODINGS", HTTP_SUPPORT_ENCODINGS);
  40         HTTP_LONG_CONSTANT("HTTP_SUPPORT_SSLREQUESTS", HTTP_SUPPORT_SSLREQUESTS);
  41
  42         return SUCCESS;
  43 }
  44
  45 PHP_HTTP_API long _http_support(long feature)
  46 {
  47         long support = HTTP_SUPPORT;
  48
  49 #ifdef HTTP_HAVE_CURL
  50         support |= HTTP_SUPPORT_REQUESTS;
  51 #       ifdef HTTP_HAVE_SSL
  52         support |= HTTP_SUPPORT_SSLREQUESTS;
  53 #       endif
  54 #endif
  55 #ifdef HTTP_HAVE_MAGIC
  56         support |= HTTP_SUPPORT_MAGICMIME;
  57 #endif
  58 #if defined(HTTP_HAVE_ZLIB) || defined(HAVE_ZLIB)
  59         support |= HTTP_SUPPORT_ENCODINGS;
  60 #endif
  61
  62         if (feature) {
  63                 return (feature == (support & feature));
  64         }
  65         return support;
  66 }
  67
  68 /* char *pretty_key(char *, size_t, zend_bool, zend_bool) */
  69 char *_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen)
  70 {
  71         if (key && key_len) {
  72                 size_t i;
  73                 int wasalpha;
  74                 if ((wasalpha = isalpha((int) key[0]))) {
  75                         key[0] = (char) (uctitle ? toupper((int) key[0]) : tolower((int) key[0]));
  76                 }
  77                 for (i = 1; i < key_len; i++) {
  78                         if (isalpha((int) key[i])) {
  79                                 key[i] = (char) (((!wasalpha) && uctitle) ? toupper((int) key[i]) : tolower((int) key[i]));
  80                                 wasalpha = 1;
  81                         } else {
  82                                 if (xhyphen && (key[i] == '_')) {
  83                                         key[i] = '-';
  84                                 }
  85                                 wasalpha = 0;
  86                         }
  87                 }
  88         }
  89         return key;
  90 }
  91 /* }}} */
  92
  93 /* {{{ */
  94 void _http_key_list_default_decoder(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC)
  95 {
  96         *decoded = estrndup(encoded, encoded_len);
  97         *decoded_len = (size_t) php_url_decode(*decoded, encoded_len);
  98 }
  99 /* }}} */
 100
 101 /* {{{ */
 102 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)
 103 {
 104         const char *key = list, *val = NULL;
 105         int vallen = 0, keylen = 0, done = 0;
 106         zval array;
 107
 108         INIT_ZARR(array, items);
 109
 110         if (!(val = strchr(list, '='))) {
 111                 return FAILURE;
 112         }
 113
 114 #define HTTP_KEYLIST_VAL(array, k, str, len) \
 115         { \
 116                 char *decoded; \
 117                 size_t decoded_len; \
 118                 if (decode) { \
 119                         decode(str, len, &decoded, &decoded_len TSRMLS_CC); \
 120                 } else { \
 121                         decoded_len = len; \
 122                         decoded = estrndup(str, decoded_len); \
 123                 } \
 124                 add_assoc_stringl(array, k, decoded, decoded_len, 0); \
 125         }
 126 #define HTTP_KEYLIST_FIXKEY() \
 127         { \
 128                         while (isspace(*key)) ++key; \
 129                         keylen = val - key; \
 130                         while (isspace(key[keylen - 1])) --keylen; \
 131         }
 132 #define HTTP_KEYLIST_FIXVAL() \
 133         { \
 134                         ++val; \
 135                         while (isspace(*val)) ++val; \
 136                         vallen = key - val; \
 137                         while (isspace(val[vallen - 1])) --vallen; \
 138         }
 139
 140         HTTP_KEYLIST_FIXKEY();
 141
 142         if (first_entry_is_name_value_pair) {
 143                 HTTP_KEYLIST_VAL(&array, "name", key, keylen);
 144
 145                 /* just one name=value */
 146                 if (!(key = strchr(val, separator))) {
 147                         key = val + strlen(val);
 148                         HTTP_KEYLIST_FIXVAL();
 149                         HTTP_KEYLIST_VAL(&array, "value", val, vallen);
 150                         return SUCCESS;
 151                 }
 152                 /* additional info appended */
 153                 else {
 154                         HTTP_KEYLIST_FIXVAL();
 155                         HTTP_KEYLIST_VAL(&array, "value", val, vallen);
 156                 }
 157         }
 158
 159         do {
 160                 char *keydup = NULL;
 161
 162                 if (!(val = strchr(key, '='))) {
 163                         break;
 164                 }
 165
 166                 /* start at 0 if first_entry_is_name_value_pair==0 */
 167                 if (zend_hash_num_elements(items)) {
 168                         ++key;
 169                 }
 170
 171                 HTTP_KEYLIST_FIXKEY();
 172                 keydup = estrndup(key, keylen);
 173                 if (!(key = strchr(val, separator))) {
 174                         done = 1;
 175                         key = val + strlen(val);
 176                 }
 177                 HTTP_KEYLIST_FIXVAL();
 178                 HTTP_KEYLIST_VAL(&array, keydup, val, vallen);
 179                 efree(keydup);
 180         } while (!done);
 181
 182         return SUCCESS;
 183 }
 184 /* }}} */
 185
 186 /* {{{ void http_error(long, long, char*) */
 187 void _http_error_ex(long type TSRMLS_DC, long code, const char *format, ...)
 188 {
 189         va_list args;
 190
 191         va_start(args, format);
 192 #ifdef ZEND_ENGINE_2
 193         if ((type == E_THROW) || (PG(error_handling) == EH_THROW)) {
 194                 char *message;
 195
 196                 vspprintf(&message, 0, format, args);
 197                 zend_throw_exception(http_exception_get_for_code(code), message, code TSRMLS_CC);
 198                 efree(message);
 199         } else
 200 #endif
 201         php_verror(NULL, "", type, format, args TSRMLS_CC);
 202         va_end(args);
 203 }
 204 /* }}} */
 205
 206 /* {{{ void http_log(char *, char *, char *) */
 207 void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
 208 {
 209         time_t now;
 210         struct tm nowtm;
 211         char datetime[128];
 212
 213         HTTP_CHECK_OPEN_BASEDIR(file, return);
 214
 215         time(&now);
 216         strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm));
 217
 218 #define HTTP_LOG_WRITE(file, type, msg) \
 219         if (file && *file) { \
 220                 php_stream *log = php_stream_open_wrapper(file, "ab", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL); \
 221                  \
 222                 if (log) { \
 223                         php_stream_printf(log TSRMLS_CC, "%s\t[%s]\t%s\t<%s>%s", datetime, type, msg, SG(request_info).request_uri, PHP_EOL); \
 224                         php_stream_close(log); \
 225                 } \
 226          \
 227         }
 228
 229         HTTP_LOG_WRITE(file, ident, message);
 230         HTTP_LOG_WRITE(HTTP_G(log).composite, ident, message);
 231 }
 232 /* }}} */
 233
 234 static void http_ob_blackhole(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
 235 {
 236         *handled_output = ecalloc(1,1);
 237         *handled_output_len = 0;
 238 }
 239
 240 /* {{{ STATUS http_exit(int, char*, char*) */
 241 STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header TSRMLS_DC)
 242 {
 243         if (    (send_header && (SUCCESS != http_send_status_header(status, header))) ||
 244                         (!send_header && status && (SUCCESS != http_send_status(status)))) {
 245                 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Failed to exit with status/header: %d - %s", status, header ? header : "");
 246                 STR_FREE(header);
 247                 STR_FREE(body);
 248                 return FAILURE;
 249         }
 250
 251         php_end_ob_buffers(0 TSRMLS_CC);
 252         if ((SUCCESS == sapi_send_headers(TSRMLS_C)) && body) {
 253                 PHPWRITE(body, strlen(body));
 254         }
 255
 256         switch (status)
 257         {
 258                 case 301:       http_log(HTTP_G(log).redirect, "301-REDIRECT", header);                 break;
 259                 case 302:       http_log(HTTP_G(log).redirect, "302-REDIRECT", header);                 break;
 260                 case 303:       http_log(HTTP_G(log).redirect, "303-REDIRECT", header);                 break;
 261                 case 307:       http_log(HTTP_G(log).redirect, "307-REDIRECT", header);                 break;
 262                 case 304:       http_log(HTTP_G(log).cache, "304-CACHE", header);                               break;
 263                 case 405:       http_log(HTTP_G(log).allowed_methods, "405-ALLOWED", header);   break;
 264                 default:        http_log(NULL, header, body);                                                                   break;
 265         }
 266
 267         STR_FREE(header);
 268         STR_FREE(body);
 269
 270         if (HTTP_G(force_exit)) {
 271                 zend_bailout();
 272         } else {
 273                 php_ob_set_internal_handler(http_ob_blackhole, 4096, "blackhole", 0 TSRMLS_CC);
 274         }
 275
 276         return SUCCESS;
 277 }
 278 /* }}} */
 279
 280 /* {{{ STATUS http_check_method(char *) */
 281 STATUS _http_check_method_ex(const char *method, const char *methods)
 282 {
 283         const char *found;
 284
 285         if (    (found = strstr(methods, method)) &&
 286                         (found == method || !isalpha(found[-1])) &&
 287                         (strlen(found) >= strlen(method) && !isalpha(found[strlen(method)]))) {
 288                 return SUCCESS;
 289         }
 290         return FAILURE;
 291 }
 292 /* }}} */
 293
 294 /* {{{ zval *http_get_server_var_ex(char *, size_t) */
 295 PHP_HTTP_API zval *_http_get_server_var_ex(const char *key, size_t key_size, zend_bool check TSRMLS_DC)
 296 {
 297         zval **hsv;
 298         zval **var;
 299
 300         if ((SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) || (Z_TYPE_PP(hsv) != IS_ARRAY)) {
 301                 return NULL;
 302         }
 303         if ((SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) || (Z_TYPE_PP(var) != IS_STRING)) {
 304                 return NULL;
 305         }
 306         if (check && !(Z_STRVAL_PP(var) && Z_STRLEN_PP(var))) {
 307                 return NULL;
 308         }
 309         return *var;
 310 }
 311 /* }}} */
 312
 313 /* {{{ STATUS http_get_request_body(char **, size_t *) */
 314 PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_bool dup TSRMLS_DC)
 315 {
 316         *length = 0;
 317         *body = NULL;
 318
 319         if (SG(request_info).raw_post_data) {
 320                 *length = SG(request_info).raw_post_data_length;
 321                 *body = (char *) (dup ? estrndup(SG(request_info).raw_post_data, *length) : SG(request_info).raw_post_data);
 322                 return SUCCESS;
 323         }
 324         return FAILURE;
 325 }
 326 /* }}} */
 327
 328
 329 /*
 330  * Local variables:
 331  * tab-width: 4
 332  * c-basic-offset: 4
 333  * End:
 334  * vim600: noet sw=4 ts=4 fdm=marker
 335  * vim<600: noet sw=4 ts=4
 336  */
 337