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
  18 #include <dirent.h>
  19 #include <fcntl.h>
  20 #include <media_info_private.h>
  21 #include <storage.h>
  22 #ifdef _USE_SENIOR_MODE
  23 #include <system_info.h>
  24 #include <media_util_private.h>
  25 #endif
  26
  27 static char *g_old_path = NULL;
  28 #define TIZEN_USER_CONTENT_PATH  tzplatform_getenv(TZ_USER_CONTENT)
  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[MAX_PATH_LEN] = {0, };
  97
  98         strncpy(search_path, dir_path, sizeof(search_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) && (STRING_VALID(MEDIA_ROOT_PATH_DISC)) && (strcmp(search_path, MEDIA_ROOT_PATH_DISC) == 0)) {
 141                                 break;
 142                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 143                                 char *parent_folder_path = NULL;
 144                                 bool is_root = FALSE;
 145
 146                                 parent_folder_path = g_path_get_dirname(search_path);
 147                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && (strcmp(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 148                                         is_root = TRUE;
 149
 150                                 SAFE_FREE(parent_folder_path);
 151
 152                                 if (is_root == TRUE)
 153                                         break;
 154                         }
 155 #ifdef _USE_SENIOR_MODE
 156                         if (_media_content_is_support_senior_mode()) {
 157                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 158                                         break;
 159                         }
 160 #endif
 161
 162                         leaf_path = strrchr(search_path, '/');
 163                         if (leaf_path != NULL) {
 164                                 int seek_len = leaf_path -search_path;
 165                                 search_path[seek_len] = '\0';
 166                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 167                         } else {
 168                                 media_content_debug("Fail to find leaf path");
 169                                 break;
 170                         }
 171                 }
 172         }
 173
 174         return MEDIA_CONTENT_ERROR_NONE;
 175 }
 176
 177 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition, bool replace)
 178 {
 179         int ret = MEDIA_CONTENT_ERROR_NONE;
 180         char old_condition[MAX_QUERY_SIZE] = {0, };
 181         char new_condition[MAX_QUERY_SIZE] = {0, };
 182         char *find = NULL;
 183         unsigned int str_len = 0;
 184
 185         char *find_str = NULL;
 186         char *to_replace_str = NULL;
 187
 188         if (replace == TRUE) {  //change User session path to System session path
 189                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &find_str);
 190                 if (ret != STORAGE_ERROR_NONE) {
 191                         media_content_error("storage_get_directory failed");
 192                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 193                         goto ERROR;
 194                 }
 195
 196                 to_replace_str = g_strdup(TIZEN_USER_CONTENT_PATH);
 197                 if (!STRING_VALID(to_replace_str)) {
 198                         media_content_error("Get TZ_USER_CONTENT failed");
 199                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 200                         goto ERROR;
 201                 }
 202         } else {
 203                 find_str = g_strdup(TIZEN_USER_CONTENT_PATH);
 204                 if (!STRING_VALID(find_str)) {
 205                         media_content_error("Get TZ_USER_CONTENT failed");
 206                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 207                         goto ERROR;
 208                 }
 209
 210                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &to_replace_str);
 211                 if (ret != STORAGE_ERROR_NONE) {
 212                         media_content_error("storage_get_directory failed");
 213                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 214                         goto ERROR;
 215                 }
 216         }
 217
 218         memset(old_condition, 0, sizeof(old_condition));
 219         memset(new_condition, 0, sizeof(new_condition));
 220
 221         media_content_sec_debug("Old condition[%s]", condition);
 222
 223         if (!SAFE_STRLCPY(new_condition, condition, sizeof(new_condition))) {
 224                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 225                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 226                 goto ERROR;
 227         }
 228
 229         find = strstr(new_condition, find_str);
 230
 231         while (find != NULL) {
 232                 str_len = find - new_condition;
 233
 234                 memset(old_condition, 0, sizeof(old_condition));
 235                 if (!SAFE_STRLCPY(old_condition, new_condition, sizeof(old_condition))) {
 236                         media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 237                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 238                         goto ERROR;
 239                 }
 240                 memset(new_condition, 0, sizeof(new_condition));
 241
 242                 snprintf(new_condition, str_len + 1, "%s", old_condition);
 243
 244                 SAFE_STRLCAT(new_condition, to_replace_str, sizeof(new_condition));
 245                 SAFE_STRLCAT(new_condition, old_condition + str_len + strlen(find_str), sizeof(new_condition));
 246
 247                 find = strstr(new_condition, find_str);
 248         }
 249
 250         if (!SAFE_STRLCPY(replace_condition, new_condition, MAX_QUERY_SIZE)) {
 251                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 252                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 253                 goto ERROR;
 254         }
 255
 256         media_content_sec_debug("repl cond[%s]", replace_condition);
 257
 258         if (!STRING_VALID(replace_condition)) {
 259                 media_content_error("replace failed");
 260                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 261                 goto ERROR;
 262         }
 263
 264 ERROR:
 265         SAFE_FREE(find_str);
 266         SAFE_FREE(to_replace_str);
 267
 268         return ret;
 269 }
 270
 271 int _media_content_replace_path(const char *path, char *replace_path)
 272 {
 273 #ifdef _USE_TV_PROFILE
 274         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 275 #else
 276
 277         int ret = MEDIA_CONTENT_ERROR_NONE;
 278
 279         if (!STRING_VALID(g_old_path)) {
 280                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_path);
 281                 if (ret != STORAGE_ERROR_NONE) {
 282                         media_content_error("storage_get_directory failed");
 283                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 284                 }
 285         }
 286
 287         if (strncmp(path, g_old_path, strlen(g_old_path)) == 0) {
 288                 media_content_sec_debug("Old path[%s]", path);
 289                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", tzplatform_getenv(TZ_USER_CONTENT), path + strlen(g_old_path));
 290         } else {
 291                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 292         }
 293 #endif
 294
 295         if (!STRING_VALID(replace_path)) {
 296                 media_content_error("replace failed");
 297                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 298         }
 299
 300         return MEDIA_CONTENT_ERROR_NONE;
 301 }
 302
 303 int _media_content_rollback_path(const char *path, char *replace_path)
 304 {
 305 #ifdef _USE_TV_PROFILE
 306                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 307 #else
 308
 309         int ret = MEDIA_CONTENT_ERROR_NONE;
 310
 311         if (!STRING_VALID(g_old_path)) {
 312                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_path);
 313                 if (ret != STORAGE_ERROR_NONE) {
 314                         media_content_error("storage_get_directory failed");
 315                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 316                 }
 317         }
 318
 319         if (strncmp(path, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT))) == 0) {
 320                 media_content_sec_debug("new path[%s]", path);
 321                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", g_old_path, path + strlen(tzplatform_getenv(TZ_USER_CONTENT)));
 322         } else {
 323                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 324         }
 325 #endif
 326
 327         if (!STRING_VALID(replace_path)) {
 328                 media_content_error("replace failed");
 329                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 330         }
 331
 332         return MEDIA_CONTENT_ERROR_NONE;
 333 }
 334
 335 #ifdef _USE_SENIOR_MODE
 336 bool _media_content_is_support_senior_mode()
 337 {
 338         bool bSupportSeniorMode = false;
 339
 340         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 341                 media_content_debug("Get senior mode support failed");
 342                 return false;
 343         }
 344         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 345         return bSupportSeniorMode;
 346 }
 347 #endif
 348