src/media_util_private.c

   1 /*
   2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 #include <dirent.h>
  18 #include <string.h>
  19 #include <sys/stat.h>
  20 #include <sys/types.h>
  21 #include <fcntl.h>
  22 #include <media_util_private.h>
  23 #include <media_info_private.h>
  24 #include <media_content_type.h>
  25 #include <storage.h>
  26 #ifdef _USE_TV_PROFILE
  27 #include <system_info.h>
  28 #endif
  29
  30 int _media_util_check_file_exist(const char *path)
  31 {
  32         int exist;
  33
  34         /* check the file exits actually */
  35         exist = open(path, O_RDONLY);
  36         if (exist < 0) {
  37                 media_content_sec_debug("path [%s]", path);
  38                 media_content_stderror("open file fail");
  39                 if (errno == EACCES || errno == EPERM)
  40                         return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
  41                 else
  42                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  43         }
  44
  45         close(exist);
  46
  47         return MEDIA_CONTENT_ERROR_NONE;
  48 }
  49
  50 int _media_util_check_ignore_file(const char *path, bool *ignore)
  51 {
  52         media_content_retvm_if(!STRING_VALID(path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid path");
  53
  54         *ignore = FALSE;
  55
  56         if (strstr(path, "/.") != NULL) {
  57                 *ignore = TRUE;
  58                 media_content_error("hidden path");
  59                 media_content_sec_debug("path : %s", path);
  60         }
  61
  62         return MEDIA_CONTENT_ERROR_NONE;
  63 }
  64
  65 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
  66 {
  67         int ret = MEDIA_CONTENT_ERROR_NONE;
  68         media_svc_storage_type_e storage_type = 0;
  69         const char *scan_ignore = ".scan_ignore";
  70         bool find = false;
  71
  72         media_content_sec_debug("dir_path : %s", dir_path);
  73
  74         media_content_retvm_if(!STRING_VALID(dir_path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid dir_path");
  75
  76         *ignore = FALSE;
  77         /*1. Check Hidden Directory*/
  78         if (strstr(dir_path, "/.") != NULL) {
  79                 *ignore = TRUE;
  80                 media_content_error("hidden path");
  81                 return MEDIA_CONTENT_ERROR_NONE;
  82         }
  83
  84         /*2. Check Scan Ignore Directory*/
  85         ret = media_svc_get_storage_type(dir_path, &storage_type, tzplatform_getuid(TZ_USER_NAME));
  86         if (ret != MS_MEDIA_ERR_NONE) {
  87                 media_content_error("media_svc_get_storage_type failed : %d", ret);
  88                 return _content_error_capi(MEDIA_CONTENT_TYPE, ret);
  89         }
  90
  91         DIR *dp = NULL;
  92         struct dirent entry;
  93         struct dirent *result = NULL;
  94
  95         char *leaf_path = NULL;
  96         char search_path[4096] = {0, };
  97
  98         strncpy(search_path, dir_path, strlen(dir_path));
  99         while (STRING_VALID(search_path)) {
 100                 dp = opendir(search_path);
 101                 if (dp == NULL) {
 102                         *ignore = TRUE;
 103                         media_content_error("Open Directory fail");
 104                         media_content_sec_debug("Open fail path[%s]", search_path);
 105                         if (errno == EACCES || errno == EPERM)
 106                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 107                         else
 108                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 109                 }
 110
 111                 media_content_retvm_if(dp == NULL, MEDIA_CONTENT_ERROR_INVALID_OPERATION, "Open Directory fail");
 112
 113                 while (!readdir_r(dp, &entry, &result)) {
 114                         if (result == NULL)
 115                                 break;
 116
 117                         if (STRING_VALID(entry.d_name) && (strcmp(entry.d_name, scan_ignore) == 0)) {
 118                                 media_content_error("Find Ignore path");
 119                                 media_content_sec_debug("Ignore path[%s]", search_path);
 120                                 find = TRUE;
 121                                 break;
 122                         } else {
 123                                 /*media_content_sec_debug("entry.d_name[%s]", entry.d_name);*/
 124                                 continue;
 125                         }
 126                 }
 127
 128                 if (dp) closedir(dp);
 129                 dp = NULL;
 130
 131                 if (find) {
 132                         *ignore = TRUE;
 133                         break;
 134                 } else {
 135                         /*If root path, Stop Scanning*/
 136                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && strcmp(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 137                                 break;
 138                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (strcmp(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 139                                 break;
 140                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 141                                 char *parent_folder_path = NULL;
 142                                 bool is_root = FALSE;
 143
 144                                 parent_folder_path = g_path_get_dirname(search_path);
 145                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && (strcmp(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 146                                         is_root = TRUE;
 147
 148                                 SAFE_FREE(parent_folder_path);
 149
 150                                 if (is_root == TRUE)
 151                                         break;
 152                         }
 153 #ifdef _USE_SENIOR_MODE
 154                         if (_media_content_is_support_senior_mode()) {
 155                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 156                                         break;
 157                         }
 158 #endif
 159
 160                         leaf_path = strrchr(search_path, '/');
 161                         if (leaf_path != NULL) {
 162                                 int seek_len = leaf_path -search_path;
 163                                 search_path[seek_len] = '\0';
 164                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 165                         } else {
 166                                 media_content_debug("Fail to find leaf path");
 167                                 break;
 168                         }
 169                 }
 170         }
 171
 172         return MEDIA_CONTENT_ERROR_NONE;
 173 }
 174
 175 int _media_content_replace_path(const char *path, char *replace_path)
 176 {
 177         int ret = MEDIA_CONTENT_ERROR_NONE;
 178         char *old_path = NULL;
 179
 180         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_path);
 181         if (ret != STORAGE_ERROR_NONE) {
 182                 media_content_error("storage_get_directory failed");
 183                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 184         }
 185
 186         if (strncmp(path, old_path, strlen(old_path)) == 0) {
 187                 media_content_sec_debug("Old path[%s]", path);
 188                 snprintf(replace_path, MAX_QUERY_SIZE, "%s%s", tzplatform_getenv(TZ_USER_CONTENT), path + strlen(old_path));
 189         } else {
 190                 snprintf(replace_path, MAX_QUERY_SIZE, "%s", path);
 191         }
 192
 193         SAFE_FREE(old_path);
 194
 195         if (!STRING_VALID(replace_path)) {
 196                 media_content_error("replace failed");
 197                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 198         }
 199
 200         return MEDIA_CONTENT_ERROR_NONE;
 201 }
 202
 203 int _media_content_rollback_path(const char *path, char *replace_path)
 204 {
 205         int ret = MEDIA_CONTENT_ERROR_NONE;
 206         char *old_path = NULL;
 207
 208         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_path);
 209         if (ret != STORAGE_ERROR_NONE) {
 210                 media_content_error("storage_get_directory failed");
 211                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 212         }
 213
 214         if (strncmp(path, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT))) == 0) {
 215                 media_content_sec_debug("new path[%s]", path);
 216                 snprintf(replace_path, MAX_QUERY_SIZE, "%s%s", old_path, path + strlen(tzplatform_getenv(TZ_USER_CONTENT)));
 217         } else {
 218                 snprintf(replace_path, MAX_QUERY_SIZE, "%s", path);
 219         }
 220
 221         SAFE_FREE(old_path);
 222
 223         if (!STRING_VALID(replace_path)) {
 224                 media_content_error("replace failed");
 225                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 226         }
 227
 228         return MEDIA_CONTENT_ERROR_NONE;
 229 }
 230
 231 #ifdef _USE_SENIOR_MODE
 232 bool _media_content_is_support_senior_mode()
 233 {
 234         bool bSupportSeniorMode = false;
 235
 236         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 237                 media_content_debug("Get senior mode support failed");
 238                 return false;
 239         }
 240         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 241         return bSupportSeniorMode;
 242 }
 243 #endif
 244