git.m6w6.name Git - m6w6/ext-http/blob - http_url_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 #define HTTP_WANT_NETDB
  20 #include "php_http.h"
  21
  22 #include "SAPI.h"
  23 #include "zend_ini.h"
  24 #include "php_output.h"
  25
  26 #include "php_http_api.h"
  27 #include "php_http_url_api.h"
  28
  29 ZEND_EXTERN_MODULE_GLOBALS(http);
  30
  31 PHP_HTTP_API char *_http_absolute_url(const char *url TSRMLS_DC)
  32 {
  33         char *abs = estrdup(url);
  34         php_url *purl = php_url_parse(abs);
  35
  36         STR_SET(abs, NULL);
  37
  38         if (purl) {
  39                 http_build_url(purl, NULL, NULL, &abs, NULL);
  40                 php_url_free(purl);
  41         }
  42
  43         return abs;
  44 }
  45
  46 /* {{{ void http_build_url(const php_url *, const php_url *, php_url **, char **, size_t *) */
  47 PHP_HTTP_API void _http_build_url(const php_url *old_url, const php_url *new_url, php_url **url_ptr, char **url_str, size_t *url_len TSRMLS_DC)
  48 {
  49 #if defined(PHP_WIN32) || defined(HAVE_NETDB_H)
  50         struct servent *se;
  51 #endif
  52         php_url *url = emalloc(sizeof(php_url));
  53
  54 #define __URLCPY(n) \
  55         url->n = (new_url&&new_url->n) ? estrdup(new_url->n) : ((old_url&&old_url->n) ? estrdup(old_url->n) : NULL)
  56         url->port = (new_url&&new_url->port) ? new_url->port : ((old_url) ? old_url->port : 0);
  57         __URLCPY(scheme);
  58         __URLCPY(user);
  59         __URLCPY(pass);
  60         __URLCPY(host);
  61         __URLCPY(path);
  62         __URLCPY(query);
  63         __URLCPY(fragment);
  64
  65         if (!url->scheme) {
  66                 switch (url->port)
  67                 {
  68                         case 443:
  69                                 url->scheme = estrndup("https", lenof("https"));
  70                         break;
  71
  72 #if !defined(PHP_WIN32) && !defined(HAVE_NETDB_H)
  73                         default:
  74 #endif
  75                         case 80:
  76                                 url->scheme = estrndup("http", lenof("http"));
  77                         break;
  78
  79 #if defined(PHP_WIN32) || defined(HAVE_NETDB_H)
  80                         default:
  81                                 if ((se = getservbyport(htons(url->port), "tcp")) && se->s_name) {
  82                                         url->scheme = estrdup(se->s_name);
  83                                 } else {
  84                                         url->scheme = estrndup("http", lenof("http"));
  85                                 }
  86                         break;
  87 #endif
  88                 }
  89         }
  90
  91         if (!url->host) {
  92                 zval *zhost;
  93
  94                 if ((((zhost = http_get_server_var("HTTP_HOST")) ||
  95                                 (zhost = http_get_server_var("SERVER_NAME")))) && Z_STRLEN_P(zhost)) {
  96                         url->host = estrndup(Z_STRVAL_P(zhost), Z_STRLEN_P(zhost));
  97                 } else {
  98                         url->host = estrndup("localhost", lenof("localhost"));
  99                 }
 100         }
 101
 102         /* FIXXME: dirname(REQUEST_URI) if path is relative */
 103         if (!url->path) {
 104                 if (SG(request_info).request_uri) {
 105                         const char *q = strchr(SG(request_info).request_uri, '?');
 106
 107                         if (q) {
 108                                 url->path = estrndup(SG(request_info).request_uri, q - SG(request_info).request_uri);
 109                         } else {
 110                                 url->path = estrdup(SG(request_info).request_uri);
 111                         }
 112                 } else {
 113                         url->path = ecalloc(1, 1);
 114                 }
 115         }
 116
 117         if (url->port) {
 118                 if (    ((url->port == 80) && !strcmp(url->scheme, "http"))
 119                         ||      ((url->port ==443) && !strcmp(url->scheme, "https"))
 120 #if defined(PHP_WIN32) || defined(HAVE_NETDB_H)
 121                         ||      ((se = getservbyname(url->scheme, "tcp")) && se->s_port &&
 122                                         (url->port == ntohs(se->s_port)))
 123 #endif
 124                 ) {
 125                         url->port = 0;
 126                 }
 127         }
 128
 129         if (url_str) {
 130                 size_t len;
 131
 132                 *url_str = emalloc(HTTP_URL_MAXLEN + 1);
 133
 134                 **url_str = '\0';
 135                 strlcat(*url_str, url->scheme, HTTP_URL_MAXLEN);
 136                 strlcat(*url_str, "://", HTTP_URL_MAXLEN);
 137
 138                 if (url->user && *url->user) {
 139                         strlcat(*url_str, url->user, HTTP_URL_MAXLEN);
 140                         if (url->pass && *url->pass) {
 141                                 strlcat(*url_str, ":", HTTP_URL_MAXLEN);
 142                                 strlcat(*url_str, url->pass, HTTP_URL_MAXLEN);
 143                         }
 144                         strlcat(*url_str, "@", HTTP_URL_MAXLEN);
 145                 }
 146
 147                 strlcat(*url_str, url->host, HTTP_URL_MAXLEN);
 148
 149                 if (url->port) {
 150                         char port_str[6] = {0};
 151
 152                         snprintf(port_str, 5, "%d", (int) url->port);
 153                         strlcat(*url_str, ":", HTTP_URL_MAXLEN);
 154                         strlcat(*url_str, port_str, HTTP_URL_MAXLEN);
 155                 }
 156
 157                 if (*url->path != '/') {
 158                         strlcat(*url_str, "/", HTTP_URL_MAXLEN);
 159                 }
 160                 strlcat(*url_str, url->path, HTTP_URL_MAXLEN);
 161
 162                 if (url->query && *url->query) {
 163                         strlcat(*url_str, "?", HTTP_URL_MAXLEN);
 164                         strlcat(*url_str, url->query, HTTP_URL_MAXLEN);
 165                 }
 166
 167                 if (url->fragment && *url->fragment) {
 168                         strlcat(*url_str, "#", HTTP_URL_MAXLEN);
 169                         strlcat(*url_str, url->fragment, HTTP_URL_MAXLEN);
 170                 }
 171
 172                 if (HTTP_URL_MAXLEN == (len = strlen(*url_str))) {
 173                         http_error(HE_NOTICE, HTTP_E_URL, "Length of URL exceeds HTTP_URL_MAXLEN");
 174                 }
 175                 if (url_len) {
 176                         *url_len = len;
 177                 }
 178         }
 179
 180         if (url_ptr) {
 181                 *url_ptr = url;
 182         } else {
 183                 php_url_free(url);
 184         }
 185 }
 186 /* }}} */
 187
 188 /* {{{ STATUS http_urlencode_hash_ex(HashTable *, zend_bool, char *, size_t, char **, size_t *) */
 189 PHP_HTTP_API STATUS _http_urlencode_hash_ex(HashTable *hash, zend_bool override_argsep,
 190         char *pre_encoded_data, size_t pre_encoded_len,
 191         char **encoded_data, size_t *encoded_len TSRMLS_DC)
 192 {
 193         char *arg_sep;
 194         size_t arg_sep_len;
 195         phpstr *qstr = phpstr_new();
 196
 197         if (override_argsep || !(arg_sep_len = strlen(arg_sep = INI_STR("arg_separator.output")))) {
 198                 arg_sep = HTTP_URL_ARGSEP;
 199                 arg_sep_len = lenof(HTTP_URL_ARGSEP);
 200         }
 201
 202         if (pre_encoded_len && pre_encoded_data) {
 203                 phpstr_append(qstr, pre_encoded_data, pre_encoded_len);
 204         }
 205
 206         if (SUCCESS != http_urlencode_hash_recursive(hash, qstr, arg_sep, arg_sep_len, NULL, 0)) {
 207                 phpstr_free(&qstr);
 208                 return FAILURE;
 209         }
 210
 211         phpstr_data(qstr, encoded_data, encoded_len);
 212         phpstr_free(&qstr);
 213
 214         return SUCCESS;
 215 }
 216 /* }}} */
 217
 218 /* {{{ http_urlencode_hash_recursive */
 219 PHP_HTTP_API STATUS _http_urlencode_hash_recursive(HashTable *ht, phpstr *str, const char *arg_sep, size_t arg_sep_len, const char *prefix, size_t prefix_len TSRMLS_DC)
 220 {
 221         char *key = NULL;
 222         uint len = 0;
 223         ulong idx = 0;
 224         zval **data = NULL;
 225         HashPosition pos;
 226
 227         if (!ht || !str) {
 228                 http_error(HE_WARNING, HTTP_E_INVALID_PARAM, "Invalid parameters");
 229                 return FAILURE;
 230         }
 231         if (ht->nApplyCount > 0) {
 232                 return SUCCESS;
 233         }
 234
 235         FOREACH_HASH_KEYLENVAL(pos, ht, key, len, idx, data) {
 236                 char *encoded_key;
 237                 int encoded_len;
 238                 phpstr new_prefix;
 239
 240                 if (!data || !*data) {
 241                         return FAILURE;
 242                 }
 243
 244                 if (key) {
 245                         if (len && key[len - 1] == '\0') {
 246                                 --len;
 247                         }
 248                         encoded_key = php_url_encode(key, len, &encoded_len);
 249                         key = NULL;
 250                 } else {
 251                         encoded_len = spprintf(&encoded_key, 0, "%ld", idx);
 252                 }
 253
 254                 {
 255                         phpstr_init(&new_prefix);
 256                         if (prefix && prefix_len) {
 257                                 phpstr_append(&new_prefix, prefix, prefix_len);
 258                                 phpstr_appends(&new_prefix, "[");
 259                         }
 260
 261                         phpstr_append(&new_prefix, encoded_key, encoded_len);
 262                         efree(encoded_key);
 263
 264                         if (prefix && prefix_len) {
 265                                 phpstr_appends(&new_prefix, "]");
 266                         }
 267                         phpstr_fix(&new_prefix);
 268                 }
 269
 270                 if (Z_TYPE_PP(data) == IS_ARRAY) {
 271                         STATUS status;
 272                         ++ht->nApplyCount;
 273                         status = http_urlencode_hash_recursive(Z_ARRVAL_PP(data), str, arg_sep, arg_sep_len, PHPSTR_VAL(&new_prefix), PHPSTR_LEN(&new_prefix));
 274                         --ht->nApplyCount;
 275                         if (SUCCESS != status) {
 276                                 phpstr_dtor(&new_prefix);
 277                                 return FAILURE;
 278                         }
 279                 } else {
 280                         char *encoded_val;
 281                         int encoded_len;
 282                         zval *cpy, *val = convert_to_type_ex(IS_STRING, *data, &cpy);
 283
 284                         if (PHPSTR_LEN(str)) {
 285                                 phpstr_append(str, arg_sep, arg_sep_len);
 286                         }
 287                         phpstr_append(str, PHPSTR_VAL(&new_prefix), PHPSTR_LEN(&new_prefix));
 288                         phpstr_appends(str, "=");
 289
 290                         encoded_val = php_url_encode(Z_STRVAL_P(val), Z_STRLEN_P(val), &encoded_len);
 291                         phpstr_append(str, encoded_val, encoded_len);
 292                         efree(encoded_val);
 293
 294                         if (cpy) {
 295                                 zval_ptr_dtor(&cpy);
 296                         }
 297                 }
 298
 299                 phpstr_dtor(&new_prefix);
 300         }
 301         return SUCCESS;
 302 }
 303 /* }}} */
 304
 305 /*
 306  * Local variables:
 307  * tab-width: 4
 308  * c-basic-offset: 4
 309  * End:
 310  * vim600: noet sw=4 ts=4 fdm=marker
 311  * vim<600: noet sw=4 ts=4
 312  */
 313