git.m6w6.name Git - m6w6/ext-http/blob - http_request_method_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) 2004-2006, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15 #define HTTP_WANT_CURL
  16 #include "php_http.h"
  17
  18 #include "php_http_api.h"
  19 #include "php_http_request_api.h"
  20 #include "php_http_request_method_api.h"
  21
  22 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL) && !defined(WONKY)
  23 #       include "php_http_request_object.h"
  24 #endif
  25
  26 /* {{{ char *http_request_methods[] */
  27 static const char *const http_request_methods[] = {
  28         "UNKNOWN",
  29         /* HTTP/1.1 */
  30         "GET",
  31         "HEAD",
  32         "POST",
  33         "PUT",
  34         "DELETE",
  35         "OPTIONS",
  36         "TRACE",
  37         "CONNECT",
  38         /* WebDAV - RFC 2518 */
  39         "PROPFIND",
  40         "PROPPATCH",
  41         "MKCOL",
  42         "COPY",
  43         "MOVE",
  44         "LOCK",
  45         "UNLOCK",
  46         /* WebDAV Versioning - RFC 3253 */
  47         "VERSION-CONTROL",
  48         "REPORT",
  49         "CHECKOUT",
  50         "CHECKIN",
  51         "UNCHECKOUT",
  52         "MKWORKSPACE",
  53         "UPDATE",
  54         "LABEL",
  55         "MERGE",
  56         "BASELINE-CONTROL",
  57         "MKACTIVITY",
  58         /* WebDAV Access Control - RFC 3744 */
  59         "ACL",
  60         NULL
  61 };
  62 /* }}} */
  63
  64 /* {{{ */
  65 PHP_MINIT_FUNCTION(http_request_method)
  66 {
  67         /* HTTP/1.1 */
  68         HTTP_LONG_CONSTANT("HTTP_METH_GET", HTTP_GET);
  69         HTTP_LONG_CONSTANT("HTTP_METH_HEAD", HTTP_HEAD);
  70         HTTP_LONG_CONSTANT("HTTP_METH_POST", HTTP_POST);
  71         HTTP_LONG_CONSTANT("HTTP_METH_PUT", HTTP_PUT);
  72         HTTP_LONG_CONSTANT("HTTP_METH_DELETE", HTTP_DELETE);
  73         HTTP_LONG_CONSTANT("HTTP_METH_OPTIONS", HTTP_OPTIONS);
  74         HTTP_LONG_CONSTANT("HTTP_METH_TRACE", HTTP_TRACE);
  75         HTTP_LONG_CONSTANT("HTTP_METH_CONNECT", HTTP_CONNECT);
  76         /* WebDAV - RFC 2518 */
  77         HTTP_LONG_CONSTANT("HTTP_METH_PROPFIND", HTTP_PROPFIND);
  78         HTTP_LONG_CONSTANT("HTTP_METH_PROPPATCH", HTTP_PROPPATCH);
  79         HTTP_LONG_CONSTANT("HTTP_METH_MKCOL", HTTP_MKCOL);
  80         HTTP_LONG_CONSTANT("HTTP_METH_COPY", HTTP_COPY);
  81         HTTP_LONG_CONSTANT("HTTP_METH_MOVE", HTTP_MOVE);
  82         HTTP_LONG_CONSTANT("HTTP_METH_LOCK", HTTP_LOCK);
  83         HTTP_LONG_CONSTANT("HTTP_METH_UNLOCK", HTTP_UNLOCK);
  84         /* WebDAV Versioning - RFC 3253 */
  85         HTTP_LONG_CONSTANT("HTTP_METH_VERSION_CONTROL", HTTP_VERSION_CONTROL);
  86         HTTP_LONG_CONSTANT("HTTP_METH_REPORT", HTTP_REPORT);
  87         HTTP_LONG_CONSTANT("HTTP_METH_CHECKOUT", HTTP_CHECKOUT);
  88         HTTP_LONG_CONSTANT("HTTP_METH_CHECKIN", HTTP_CHECKIN);
  89         HTTP_LONG_CONSTANT("HTTP_METH_UNCHECKOUT", HTTP_UNCHECKOUT);
  90         HTTP_LONG_CONSTANT("HTTP_METH_MKWORKSPACE", HTTP_MKWORKSPACE);
  91         HTTP_LONG_CONSTANT("HTTP_METH_UPDATE", HTTP_UPDATE);
  92         HTTP_LONG_CONSTANT("HTTP_METH_LABEL", HTTP_LABEL);
  93         HTTP_LONG_CONSTANT("HTTP_METH_MERGE", HTTP_MERGE);
  94         HTTP_LONG_CONSTANT("HTTP_METH_BASELINE_CONTROL", HTTP_BASELINE_CONTROL);
  95         HTTP_LONG_CONSTANT("HTTP_METH_MKACTIVITY", HTTP_MKACTIVITY);
  96         /* WebDAV Access Control - RFC 3744 */
  97         HTTP_LONG_CONSTANT("HTTP_METH_ACL", HTTP_ACL);
  98
  99         return SUCCESS;
 100 }
 101
 102 PHP_RINIT_FUNCTION(http_request_method)
 103 {
 104         HTTP_G->request.methods.custom.entries = ecalloc(1, sizeof(http_request_method_entry *));
 105
 106         return SUCCESS;
 107 }
 108
 109 PHP_RSHUTDOWN_FUNCTION(http_request_method)
 110 {
 111         int i;
 112         http_request_method_entry **ptr = HTTP_G->request.methods.custom.entries;
 113
 114         for (i = 0; i < HTTP_G->request.methods.custom.count; ++i) {
 115                 if (ptr[i]) {
 116                         http_request_method_unregister(HTTP_CUSTOM_REQUEST_METHOD_START + i);
 117                 }
 118         }
 119         efree(HTTP_G->request.methods.custom.entries);
 120
 121         return SUCCESS;
 122 }
 123 /* }}} */
 124
 125 /* {{{ char *http_request_method_name(http_request_method) */
 126 PHP_HTTP_API const char *_http_request_method_name(http_request_method m TSRMLS_DC)
 127 {
 128         http_request_method_entry **ptr = HTTP_G->request.methods.custom.entries;
 129
 130         if (HTTP_STD_REQUEST_METHOD(m)) {
 131                 return http_request_methods[m];
 132         }
 133
 134         if (    (HTTP_CUSTOM_REQUEST_METHOD(m) >= 0) &&
 135                         (HTTP_CUSTOM_REQUEST_METHOD(m) < HTTP_G->request.methods.custom.count) &&
 136                         (ptr[HTTP_CUSTOM_REQUEST_METHOD(m)])) {
 137                 return ptr[HTTP_CUSTOM_REQUEST_METHOD(m)]->name;
 138         }
 139
 140         return http_request_methods[0];
 141 }
 142 /* }}} */
 143
 144 /* {{{ int http_request_method_exists(zend_bool, ulong, char *) */
 145 PHP_HTTP_API int _http_request_method_exists(zend_bool by_name, http_request_method id, const char *name TSRMLS_DC)
 146 {
 147         int i;
 148         http_request_method_entry **ptr = HTTP_G->request.methods.custom.entries;
 149
 150         if (by_name) {
 151                 for (i = HTTP_MIN_REQUEST_METHOD; i < HTTP_MAX_REQUEST_METHOD; ++i) {
 152                         if (!strcasecmp(name, http_request_methods[i])) {
 153                                 return i;
 154                         }
 155                 }
 156                 for (i = 0; i < HTTP_G->request.methods.custom.count; ++i) {
 157                         if (ptr[i] && !strcasecmp(name, ptr[i]->name)) {
 158                                 return HTTP_CUSTOM_REQUEST_METHOD_START + i;
 159                         }
 160                 }
 161         } else if (HTTP_STD_REQUEST_METHOD(id)) {
 162                 return id;
 163         } else if (     (HTTP_CUSTOM_REQUEST_METHOD(id) >= 0) &&
 164                                 (HTTP_CUSTOM_REQUEST_METHOD(id) < HTTP_G->request.methods.custom.count) &&
 165                                 (ptr[HTTP_CUSTOM_REQUEST_METHOD(id)])) {
 166                 return id;
 167         }
 168
 169         return 0;
 170 }
 171 /* }}} */
 172
 173 /* {{{ int http_request_method_register(char *) */
 174 PHP_HTTP_API int _http_request_method_register(const char *method_name, int method_name_len TSRMLS_DC)
 175 {
 176         int i, meth_num;
 177         char *http_method, *method, *mconst;
 178         http_request_method_entry **ptr = HTTP_G->request.methods.custom.entries;
 179
 180         if (!isalpha(*method_name)) {
 181                 http_error_ex(HE_WARNING, HTTP_E_REQUEST_METHOD, "Request method does not start with a character (%s)", method_name);
 182                 return 0;
 183         }
 184
 185         if (http_request_method_exists(1, 0, method_name)) {
 186                 http_error_ex(HE_WARNING, HTTP_E_REQUEST_METHOD, "Request method does already exist (%s)", method_name);
 187                 return 0;
 188         }
 189
 190         method = emalloc(method_name_len + 1);
 191         mconst = emalloc(method_name_len + 1);
 192         for (i = 0; i < method_name_len; ++i) {
 193                 switch (method_name[i]) {
 194                         case '-':
 195                                 method[i] = '-';
 196                                 mconst[i] = '_';
 197                                 break;
 198
 199                         default:
 200                                 if (!isalnum(method_name[i])) {
 201                                         efree(method);
 202                                         efree(mconst);
 203                                         http_error_ex(HE_WARNING, HTTP_E_REQUEST_METHOD, "Request method contains illegal characters (%s)", method_name);
 204                                         return 0;
 205                                 }
 206                                 mconst[i] = method[i] = toupper(method_name[i]);
 207                                 break;
 208                 }
 209         }
 210         method[method_name_len] = '\0';
 211         mconst[method_name_len] = '\0';
 212
 213         ptr = erealloc(ptr, sizeof(http_request_method_entry *) * (HTTP_G->request.methods.custom.count + 1));
 214         HTTP_G->request.methods.custom.entries = ptr;
 215         ptr[HTTP_G->request.methods.custom.count] = emalloc(sizeof(http_request_method_entry));
 216         ptr[HTTP_G->request.methods.custom.count]->name = method;
 217         ptr[HTTP_G->request.methods.custom.count]->cnst = mconst;
 218         meth_num = HTTP_CUSTOM_REQUEST_METHOD_START + HTTP_G->request.methods.custom.count++;
 219
 220         method_name_len = spprintf(&http_method, 0, "HTTP_METH_%s", mconst);
 221         zend_register_long_constant(http_method, method_name_len + 1, meth_num, CONST_CS, http_module_number TSRMLS_CC);
 222         efree(http_method);
 223
 224 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL) && !defined(WONKY)
 225         method_name_len = spprintf(&http_method, 0, "METH_%s", mconst);
 226         zend_declare_class_constant_long(http_request_object_ce, http_method, method_name_len, meth_num TSRMLS_CC);
 227         efree(http_method);
 228 #endif
 229
 230         return meth_num;
 231 }
 232 /* }}} */
 233
 234 /* {{{ STATUS http_request_method_unregister(int) */
 235 PHP_HTTP_API STATUS _http_request_method_unregister(int method TSRMLS_DC)
 236 {
 237         char *http_method;
 238         int method_len;
 239         http_request_method_entry **ptr = HTTP_G->request.methods.custom.entries;
 240
 241         if (HTTP_STD_REQUEST_METHOD(method)) {
 242                 http_error_ex(HE_WARNING, HTTP_E_REQUEST_METHOD, "Standard request methods cannot be unregistered");
 243                 return FAILURE;
 244         }
 245
 246         if (    (HTTP_CUSTOM_REQUEST_METHOD(method) < 0) ||
 247                         (HTTP_CUSTOM_REQUEST_METHOD(method) > HTTP_G->request.methods.custom.count) ||
 248                         (!ptr[HTTP_CUSTOM_REQUEST_METHOD(method)])) {
 249                 http_error_ex(HE_NOTICE, HTTP_E_REQUEST_METHOD, "Custom request method with id %lu does not exist", method);
 250                 return FAILURE;
 251         }
 252
 253 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL) && !defined(WONKY)
 254         method_len = spprintf(&http_method, 0, "METH_%s", ptr[HTTP_CUSTOM_REQUEST_METHOD(method)]->cnst);
 255         if (SUCCESS != zend_hash_del(&http_request_object_ce->constants_table, http_method, method_len + 1)) {
 256                 http_error_ex(HE_NOTICE, HTTP_E_REQUEST_METHOD, "Could not unregister request method: HttpRequest::%s", http_method);
 257                 efree(http_method);
 258                 return FAILURE;
 259         }
 260         efree(http_method);
 261 #endif
 262
 263         method_len = spprintf(&http_method, 0, "HTTP_METH_%s", ptr[HTTP_CUSTOM_REQUEST_METHOD(method)]->cnst);
 264         if (SUCCESS != zend_hash_del(EG(zend_constants), http_method, method_len + 1)) {
 265                 http_error_ex(HE_NOTICE, HTTP_E_REQUEST_METHOD, "Could not unregister request method: %s", http_method);
 266                 efree(http_method);
 267                 return FAILURE;
 268         }
 269         efree(http_method);
 270
 271         efree(ptr[HTTP_CUSTOM_REQUEST_METHOD(method)]->name);
 272         efree(ptr[HTTP_CUSTOM_REQUEST_METHOD(method)]->cnst);
 273         efree(ptr[HTTP_CUSTOM_REQUEST_METHOD(method)]);
 274         ptr[HTTP_CUSTOM_REQUEST_METHOD(method)] = NULL;
 275
 276         return SUCCESS;
 277 }
 278 /* }}} */
 279
 280 /*
 281  * Local variables:
 282  * tab-width: 4
 283  * c-basic-offset: 4
 284  * End:
 285  * vim600: noet sw=4 ts=4 fdm=marker
 286  * vim<600: noet sw=4 ts=4
 287  */
 288