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 #include "ext/standard/php_string.h"
  26
  27 #include "php_http_api.h"
  28 #include "php_http_url_api.h"
  29
  30 ZEND_EXTERN_MODULE_GLOBALS(http);
  31
  32 PHP_HTTP_API char *_http_absolute_url(const char *url TSRMLS_DC)
  33 {
  34         char *abs = estrdup(url);
  35         php_url *purl = php_url_parse(abs);
  36
  37         STR_SET(abs, NULL);
  38
  39         if (purl) {
  40                 http_build_url(purl, NULL, NULL, &abs, NULL);
  41                 php_url_free(purl);
  42         }
  43
  44         return abs;
  45 }
  46
  47 /* {{{ void http_build_url(const php_url *, const php_url *, php_url **, char **, size_t *) */
  48 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)
  49 {
  50 #if defined(PHP_WIN32) || defined(HAVE_NETDB_H)
  51         struct servent *se;
  52 #endif
  53         php_url *url = emalloc(sizeof(php_url));
  54
  55 #define __URLCPY(n) \
  56         url->n = (new_url&&new_url->n) ? estrdup(new_url->n) : ((old_url&&old_url->n) ? estrdup(old_url->n) : NULL)
  57         url->port = (new_url&&new_url->port) ? new_url->port : ((old_url) ? old_url->port : 0);
  58         __URLCPY(scheme);
  59         __URLCPY(user);
  60         __URLCPY(pass);
  61         __URLCPY(host);
  62         __URLCPY(path);
  63         __URLCPY(query);
  64         __URLCPY(fragment);
  65
  66         if (!url->scheme) {
  67                 switch (url->port)
  68                 {
  69                         case 443:
  70                                 url->scheme = estrndup("https", lenof("https"));
  71                         break;
  72
  73 #if !defined(PHP_WIN32) && !defined(HAVE_NETDB_H)
  74                         default:
  75 #endif
  76                         case 80:
  77                                 url->scheme = estrndup("http", lenof("http"));
  78                         break;
  79
  80 #if defined(PHP_WIN32) || defined(HAVE_NETDB_H)
  81                         default:
  82                                 if ((se = getservbyport(htons(url->port), "tcp")) && se->s_name) {
  83                                         url->scheme = estrdup(se->s_name);
  84                                 } else {
  85                                         url->scheme = estrndup("http", lenof("http"));
  86                                 }
  87                         break;
  88 #endif
  89                 }
  90         }
  91
  92         if (!url->host) {
  93                 zval *zhost;
  94
  95                 if ((((zhost = http_get_server_var("HTTP_HOST")) ||
  96                                 (zhost = http_get_server_var("SERVER_NAME")))) && Z_STRLEN_P(zhost)) {
  97                         url->host = estrndup(Z_STRVAL_P(zhost), Z_STRLEN_P(zhost));
  98                 } else {
  99                         url->host = estrndup("localhost", lenof("localhost"));
 100                 }
 101         }
 102
 103         if (!url->path) {
 104                 if (SG(request_info).request_uri && *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 = estrndup("/", 1);
 114                 }
 115         } else if (*url->path != '/') {
 116                 if (SG(request_info).request_uri && *SG(request_info).request_uri) {
 117                         const char *q = strchr(SG(request_info).request_uri, '?');
 118                         char *uri, *path;
 119                         size_t len;
 120
 121                         if (q) {
 122                                 uri = estrndup(SG(request_info).request_uri, len = q - SG(request_info).request_uri);
 123                         } else {
 124                                 uri = estrndup(SG(request_info).request_uri, len = strlen(SG(request_info).request_uri));
 125                         }
 126
 127                         php_dirname(uri, len);
 128                         spprintf(&path, 0, "%s/%s", uri, url->path);
 129                         efree(uri);
 130                         STR_SET(url->path, path);
 131                 } else {
 132                         char *uri;
 133
 134                         spprintf(&uri, 0, "/%s", url->path);
 135                         STR_SET(url->path, uri);
 136                 }
 137         }
 138
 139         if (url->port) {
 140                 if (    ((url->port == 80) && !strcmp(url->scheme, "http"))
 141                         ||      ((url->port ==443) && !strcmp(url->scheme, "https"))
 142 #if defined(PHP_WIN32) || defined(HAVE_NETDB_H)
 143                         ||      ((se = getservbyname(url->scheme, "tcp")) && se->s_port &&
 144                                         (url->port == ntohs(se->s_port)))
 145 #endif
 146                 ) {
 147                         url->port = 0;
 148                 }
 149         }
 150
 151         if (url_str) {
 152                 size_t len;
 153
 154                 *url_str = emalloc(HTTP_URL_MAXLEN + 1);
 155
 156                 **url_str = '\0';
 157                 strlcat(*url_str, url->scheme, HTTP_URL_MAXLEN);
 158                 strlcat(*url_str, "://", HTTP_URL_MAXLEN);
 159
 160                 if (url->user && *url->user) {
 161                         strlcat(*url_str, url->user, HTTP_URL_MAXLEN);
 162                         if (url->pass && *url->pass) {
 163                                 strlcat(*url_str, ":", HTTP_URL_MAXLEN);
 164                                 strlcat(*url_str, url->pass, HTTP_URL_MAXLEN);
 165                         }
 166                         strlcat(*url_str, "@", HTTP_URL_MAXLEN);
 167                 }
 168
 169                 strlcat(*url_str, url->host, HTTP_URL_MAXLEN);
 170
 171                 if (url->port) {
 172                         char port_str[6] = {0};
 173
 174                         snprintf(port_str, 5, "%d", (int) url->port);
 175                         strlcat(*url_str, ":", HTTP_URL_MAXLEN);
 176                         strlcat(*url_str, port_str, HTTP_URL_MAXLEN);
 177                 }
 178
 179                 if (*url->path != '/') {
 180                         strlcat(*url_str, "/", HTTP_URL_MAXLEN);
 181                 }
 182                 strlcat(*url_str, url->path, HTTP_URL_MAXLEN);
 183
 184                 if (url->query && *url->query) {
 185                         strlcat(*url_str, "?", HTTP_URL_MAXLEN);
 186                         strlcat(*url_str, url->query, HTTP_URL_MAXLEN);
 187                 }
 188
 189                 if (url->fragment && *url->fragment) {
 190                         strlcat(*url_str, "#", HTTP_URL_MAXLEN);
 191                         strlcat(*url_str, url->fragment, HTTP_URL_MAXLEN);
 192                 }
 193
 194                 if (HTTP_URL_MAXLEN == (len = strlen(*url_str))) {
 195                         http_error(HE_NOTICE, HTTP_E_URL, "Length of URL exceeds HTTP_URL_MAXLEN");
 196                 }
 197                 if (url_len) {
 198                         *url_len = len;
 199                 }
 200         }
 201
 202         if (url_ptr) {
 203                 *url_ptr = url;
 204         } else {
 205                 php_url_free(url);
 206         }
 207 }
 208 /* }}} */
 209
 210 /* {{{ STATUS http_urlencode_hash_ex(HashTable *, zend_bool, char *, size_t, char **, size_t *) */
 211 PHP_HTTP_API STATUS _http_urlencode_hash_ex(HashTable *hash, zend_bool override_argsep,
 212         char *pre_encoded_data, size_t pre_encoded_len,
 213         char **encoded_data, size_t *encoded_len TSRMLS_DC)
 214 {
 215         char *arg_sep;
 216         size_t arg_sep_len;
 217         phpstr *qstr = phpstr_new();
 218
 219         if (override_argsep || !(arg_sep_len = strlen(arg_sep = INI_STR("arg_separator.output")))) {
 220                 arg_sep = HTTP_URL_ARGSEP;
 221                 arg_sep_len = lenof(HTTP_URL_ARGSEP);
 222         }
 223
 224         if (pre_encoded_len && pre_encoded_data) {
 225                 phpstr_append(qstr, pre_encoded_data, pre_encoded_len);
 226         }
 227
 228         if (SUCCESS != http_urlencode_hash_recursive(hash, qstr, arg_sep, arg_sep_len, NULL, 0)) {
 229                 phpstr_free(&qstr);
 230                 return FAILURE;
 231         }
 232
 233         phpstr_data(qstr, encoded_data, encoded_len);
 234         phpstr_free(&qstr);
 235
 236         return SUCCESS;
 237 }
 238 /* }}} */
 239
 240 /* {{{ http_urlencode_hash_recursive */
 241 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)
 242 {
 243         char *key = NULL;
 244         uint len = 0;
 245         ulong idx = 0;
 246         zval **data = NULL;
 247         HashPosition pos;
 248
 249         if (!ht || !str) {
 250                 http_error(HE_WARNING, HTTP_E_INVALID_PARAM, "Invalid parameters");
 251                 return FAILURE;
 252         }
 253         if (ht->nApplyCount > 0) {
 254                 return SUCCESS;
 255         }
 256
 257         FOREACH_HASH_KEYLENVAL(pos, ht, key, len, idx, data) {
 258                 char *encoded_key;
 259                 int encoded_len;
 260                 phpstr new_prefix;
 261
 262                 if (!data || !*data) {
 263                         return FAILURE;
 264                 }
 265
 266                 if (key) {
 267                         if (len && key[len - 1] == '\0') {
 268                                 --len;
 269                         }
 270                         encoded_key = php_url_encode(key, len, &encoded_len);
 271                         key = NULL;
 272                 } else {
 273                         encoded_len = spprintf(&encoded_key, 0, "%ld", idx);
 274                 }
 275
 276                 {
 277                         phpstr_init(&new_prefix);
 278                         if (prefix && prefix_len) {
 279                                 phpstr_append(&new_prefix, prefix, prefix_len);
 280                                 phpstr_appends(&new_prefix, "[");
 281                         }
 282
 283                         phpstr_append(&new_prefix, encoded_key, encoded_len);
 284                         efree(encoded_key);
 285
 286                         if (prefix && prefix_len) {
 287                                 phpstr_appends(&new_prefix, "]");
 288                         }
 289                         phpstr_fix(&new_prefix);
 290                 }
 291
 292                 if (Z_TYPE_PP(data) == IS_ARRAY) {
 293                         STATUS status;
 294                         ++ht->nApplyCount;
 295                         status = http_urlencode_hash_recursive(Z_ARRVAL_PP(data), str, arg_sep, arg_sep_len, PHPSTR_VAL(&new_prefix), PHPSTR_LEN(&new_prefix));
 296                         --ht->nApplyCount;
 297                         if (SUCCESS != status) {
 298                                 phpstr_dtor(&new_prefix);
 299                                 return FAILURE;
 300                         }
 301                 } else {
 302                         zval *val;
 303
 304                         ALLOC_ZVAL(val);
 305                         *val = **data;
 306                         INIT_PZVAL(val);
 307                         zval_copy_ctor(val);
 308                         convert_to_string(val);
 309
 310                         if (PHPSTR_LEN(str)) {
 311                                 phpstr_append(str, arg_sep, arg_sep_len);
 312                         }
 313                         phpstr_append(str, PHPSTR_VAL(&new_prefix), PHPSTR_LEN(&new_prefix));
 314                         phpstr_appends(str, "=");
 315
 316                         if (Z_STRLEN_P(val) && Z_STRVAL_P(val)) {
 317                                 char *encoded_val;
 318                                 int encoded_len;
 319
 320                                 encoded_val = php_url_encode(Z_STRVAL_P(val), Z_STRLEN_P(val), &encoded_len);
 321                                 phpstr_append(str, encoded_val, encoded_len);
 322                                 efree(encoded_val);
 323                         }
 324
 325                         zval_ptr_dtor(&val);
 326                 }
 327                 phpstr_dtor(&new_prefix);
 328         }
 329         return SUCCESS;
 330 }
 331 /* }}} */
 332
 333 /*
 334  * Local variables:
 335  * tab-width: 4
 336  * c-basic-offset: 4
 337  * End:
 338  * vim600: noet sw=4 ts=4 fdm=marker
 339  * vim<600: noet sw=4 ts=4
 340  */
 341