git.m6w6.name Git - m6w6/ext-apfd/blob - php_apfd.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: apfd                                                       |
   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) 2015, Michael Wallner <mike@php.net>                 |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 #ifdef HAVE_CONFIG_H
  14 #include "config.h"
  15 #endif
  16
  17 #include "php.h"
  18 #include "php_ini.h"
  19 #include "ext/standard/info.h"
  20 #include "SAPI.h"
  21 #include "rfc1867.h"
  22 #include "php_apfd.h"
  23
  24 #if PHP_VERSION_ID >= 70000
  25
  26 struct apfd {
  27         zval post;
  28         zval files;
  29 };
  30
  31 #define APFD_SG(t) &PG(http_globals)[t]
  32 static inline sapi_post_entry *apfd_get_post_entry(const char *ct_str, size_t ct_len)
  33 {
  34         return zend_hash_str_find_ptr(&SG(known_post_content_types), ct_str, ct_len);
  35 }
  36
  37 static inline void apfd_backup(struct apfd *apfd)
  38 {
  39         if (SG(rfc1867_uploaded_files)) {
  40                 destroy_uploaded_files_hash();
  41         }
  42
  43         zval_ptr_dtor(APFD_SG(TRACK_VARS_POST));
  44         array_init(&apfd->post);
  45         ZVAL_COPY_VALUE(APFD_SG(TRACK_VARS_POST), &apfd->post);
  46
  47         zval_ptr_dtor(APFD_SG(TRACK_VARS_FILES));
  48         array_init(&apfd->files);
  49         ZVAL_COPY_VALUE(APFD_SG(TRACK_VARS_FILES), &apfd->files);
  50 }
  51
  52 static inline void apfd_update(struct apfd *apfd)
  53 {
  54         zend_hash_str_update(&EG(symbol_table), "_POST", sizeof("_POST")-1, APFD_SG(TRACK_VARS_POST));
  55         Z_TRY_ADDREF_P(APFD_SG(TRACK_VARS_POST));
  56
  57         zend_hash_str_update(&EG(symbol_table), "_FILES", sizeof("_FILES")-1, APFD_SG(TRACK_VARS_FILES));
  58         Z_TRY_ADDREF_P(APFD_SG(TRACK_VARS_FILES));
  59 }
  60
  61 #else
  62
  63 struct apfd {
  64         zval *post;
  65         zval *files;
  66 };
  67
  68 #define APFD_SG(t) PG(http_globals)[t]
  69 static inline sapi_post_entry *apfd_get_post_entry(const char *ct_str, size_t ct_len TSRMLS_DC)
  70 {
  71         sapi_post_entry *post_entry;
  72
  73         if (SUCCESS == zend_hash_find(&SG(known_post_content_types), ct_str, ct_len+1, (void *) &post_entry)) {
  74                 return post_entry;
  75         }
  76         return NULL;
  77 }
  78
  79 static inline void apfd_backup(struct apfd *apfd TSRMLS_DC)
  80 {
  81         apfd->post = APFD_SG(TRACK_VARS_POST);
  82         apfd->files = APFD_SG(TRACK_VARS_FILES);
  83 }
  84
  85 static inline void apfd_update(struct apfd *apfd TSRMLS_DC)
  86 {
  87         if (apfd->files != APFD_SG(TRACK_VARS_FILES) && APFD_SG(TRACK_VARS_FILES)) {
  88                 Z_ADDREF_P(APFD_SG(TRACK_VARS_FILES));
  89                 zend_hash_update(&EG(symbol_table), "_FILES", sizeof("_FILES"), &APFD_SG(TRACK_VARS_FILES), sizeof(zval *), NULL);
  90                 if (apfd->files) {
  91                         zval_ptr_dtor(&apfd->files);
  92                 }
  93         }
  94 }
  95 #endif
  96
  97 PHP_RINIT_FUNCTION(apfd)
  98 {
  99 #ifndef TSRMLS_C
 100 # define TSRMLS_C
 101 # define TSRMLS_CC
 102 #endif
 103         sapi_request_info *req = &SG(request_info);
 104
 105         /* populate form data on non-POST requests */
 106         if (req->request_method && strcasecmp(req->request_method, "POST") && req->content_type && *req->content_type) {
 107                 char *ct_str, *ct_dup = estrdup(req->content_type);
 108                 size_t ct_end = strcspn(ct_dup, ";, ");
 109                 sapi_post_entry *post_entry = NULL;
 110
 111                 req->content_type_dup = ct_dup;
 112
 113                 ct_str = zend_str_tolower_dup(ct_dup, ct_end);
 114                 if ((post_entry = apfd_get_post_entry(ct_str, ct_end TSRMLS_CC))) {
 115                         struct apfd apfd;
 116
 117                         apfd_backup(&apfd TSRMLS_CC);
 118
 119                         req->post_entry = post_entry;
 120
 121                         if (post_entry->post_reader) {
 122                                 post_entry->post_reader(TSRMLS_C);
 123                         }
 124
 125                         if (sapi_module.default_post_reader) {
 126                                 sapi_module.default_post_reader(TSRMLS_C);
 127                         }
 128
 129                         sapi_handle_post(APFD_SG(TRACK_VARS_POST) TSRMLS_CC);
 130
 131                         apfd_update(&apfd TSRMLS_CC);
 132                 }
 133                 efree(ct_str);
 134
 135                 if (req->content_type_dup) {
 136                         efree(req->content_type_dup);
 137                         req->content_type_dup = NULL;
 138                 }
 139         }
 140
 141         return SUCCESS;
 142 }
 143
 144 PHP_MINFO_FUNCTION(apfd)
 145 {
 146         php_info_print_table_start();
 147         php_info_print_table_header(2, "apfd support", "enabled");
 148         php_info_print_table_end();
 149 }
 150
 151 const zend_function_entry apfd_functions[] = {
 152         {0}
 153 };
 154
 155 zend_module_entry apfd_module_entry = {
 156         STANDARD_MODULE_HEADER,
 157         "apfd",
 158         apfd_functions,
 159         NULL,
 160         NULL,
 161         PHP_RINIT(apfd),
 162         NULL,
 163         PHP_MINFO(apfd),
 164         PHP_APFD_VERSION,
 165         STANDARD_MODULE_PROPERTIES
 166 };
 167
 168 #ifdef COMPILE_DL_APFD
 169 ZEND_GET_MODULE(apfd)
 170 #endif
 171
 172 /*
 173  * Local variables:
 174  * tab-width: 4
 175  * c-basic-offset: 4
 176  * End:
 177  * vim600: noet sw=4 ts=4 fdm=marker
 178  * vim<600: noet sw=4 ts=4
 179  */