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 #ifdef _USE_TV_PROFILE
  26 #include <system_info.h>
  27 #endif
  28
  29 int _media_util_check_file_exist(const char *path)
  30 {
  31         int exist;
  32
  33         /* check the file exits actually */
  34         exist = open(path, O_RDONLY);
  35         if (exist < 0) {
  36                 media_content_sec_debug("path [%s]", path);
  37                 media_content_stderror("open file fail");
  38                 if (errno == EACCES || errno == EPERM)
  39                         return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
  40                 else
  41                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  42         }
  43
  44         close(exist);
  45
  46         return MEDIA_CONTENT_ERROR_NONE;
  47 }
  48
  49 int _media_util_check_ignore_file(const char *path, bool *ignore)
  50 {
  51         media_content_retvm_if(!STRING_VALID(path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid path");
  52
  53         *ignore = FALSE;
  54
  55         if (strstr(path, "/.") != NULL) {
  56                 *ignore = TRUE;
  57                 media_content_error("hidden path");
  58                 media_content_sec_debug("path : %s", path);
  59         }
  60
  61         return MEDIA_CONTENT_ERROR_NONE;
  62 }
  63
  64 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
  65 {
  66         int ret = MEDIA_CONTENT_ERROR_NONE;
  67         media_svc_storage_type_e storage_type = 0;
  68         const char *scan_ignore = ".scan_ignore";
  69         bool find = false;
  70
  71         media_content_sec_debug("dir_path : %s", dir_path);
  72
  73         media_content_retvm_if(!STRING_VALID(dir_path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid dir_path");
  74
  75         *ignore = FALSE;
  76         /*1. Check Hidden Directory*/
  77         if (strstr(dir_path, "/.") != NULL) {
  78                 *ignore = TRUE;
  79                 media_content_error("hidden path");
  80                 return MEDIA_CONTENT_ERROR_NONE;
  81         }
  82
  83         /*2. Check Scan Ignore Directory*/
  84         ret = media_svc_get_storage_type(dir_path, &storage_type, tzplatform_getuid(TZ_USER_NAME));
  85         if (ret != MS_MEDIA_ERR_NONE) {
  86                 media_content_error("media_svc_get_storage_type failed : %d", ret);
  87                 return _content_error_capi(MEDIA_CONTENT_TYPE, ret);
  88         }
  89
  90         DIR *dp = NULL;
  91         struct dirent entry;
  92         struct dirent *result = NULL;
  93
  94         char *leaf_path = NULL;
  95         char search_path[4096] = {0, };
  96
  97         strncpy(search_path, dir_path, strlen(dir_path));
  98         while (STRING_VALID(search_path)) {
  99                 dp = opendir(search_path);
 100                 if (dp == NULL) {
 101                         *ignore = TRUE;
 102                         media_content_error("Open Directory fail");
 103                         media_content_sec_debug("Open fail path[%s]", search_path);
 104                         if (errno == EACCES || errno == EPERM)
 105                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 106                         else
 107                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 108                 }
 109
 110                 media_content_retvm_if(dp == NULL, MEDIA_CONTENT_ERROR_INVALID_OPERATION, "Open Directory fail");
 111
 112                 while (!readdir_r(dp, &entry, &result)) {
 113                         if (result == NULL)
 114                                 break;
 115
 116                         if (STRING_VALID(entry.d_name) && (strcmp(entry.d_name, scan_ignore) == 0)) {
 117                                 media_content_error("Find Ignore path");
 118                                 media_content_sec_debug("Ignore path[%s]", search_path);
 119                                 find = TRUE;
 120                                 break;
 121                         } else {
 122                                 /*media_content_sec_debug("entry.d_name[%s]", entry.d_name);*/
 123                                 continue;
 124                         }
 125                 }
 126
 127                 if (dp) closedir(dp);
 128                 dp = NULL;
 129
 130                 if (find) {
 131                         *ignore = TRUE;
 132                         break;
 133                 } else {
 134                         /*If root path, Stop Scanning*/
 135                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && strcmp(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 136                                 break;
 137                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (strcmp(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 138                                 break;
 139                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 140                                 char *parent_folder_path = NULL;
 141                                 bool is_root = FALSE;
 142
 143                                 parent_folder_path = g_path_get_dirname(search_path);
 144                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && (strcmp(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 145                                         is_root = TRUE;
 146
 147                                 SAFE_FREE(parent_folder_path);
 148
 149                                 if (is_root == TRUE)
 150                                         break;
 151                         }
 152 #ifdef _USE_SENIOR_MODE
 153                         if (_media_content_is_support_senior_mode()) {
 154                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 155                                         break;
 156                         }
 157 #endif
 158
 159                         leaf_path = strrchr(search_path, '/');
 160                         if (leaf_path != NULL) {
 161                                 int seek_len = leaf_path -search_path;
 162                                 search_path[seek_len] = '\0';
 163                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 164                         } else {
 165                                 media_content_debug("Fail to find leaf path");
 166                                 break;
 167                         }
 168                 }
 169         }
 170
 171         return MEDIA_CONTENT_ERROR_NONE;
 172 }
 173
 174 int _media_content_replace_path(const char *path, char *replace_path)
 175 {
 176         const char *old_path = "/opt/usr/media";
 177
 178         if (strncmp(path, old_path, strlen(old_path)) == 0) {
 179                 media_content_sec_debug("Old path[%s]", path);
 180                 snprintf(replace_path, MAX_QUERY_SIZE, "%s%s", tzplatform_getenv(TZ_USER_CONTENT), path + strlen(old_path));
 181         } else {
 182                 snprintf(replace_path, MAX_QUERY_SIZE, "%s", path);
 183         }
 184
 185         if (!STRING_VALID(replace_path)) {
 186                 media_content_error("replace failed");
 187                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 188         }
 189
 190         return MEDIA_CONTENT_ERROR_NONE;
 191 }
 192
 193 #ifdef _USE_SENIOR_MODE
 194 bool _media_content_is_support_senior_mode()
 195 {
 196         bool bSupportSeniorMode = false;
 197
 198         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 199                 media_content_debug("Get senior mode support failed");
 200                 return false;
 201         }
 202         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 203         return bSupportSeniorMode;
 204 }
 205 #endif
 206