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