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 #define TIZEN_USER_CONTENT_PATH  tzplatform_getenv(TZ_USER_CONTENT)
  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[MAX_PATH_LEN] = {0, };
  96
  97         memset(search_path, 0, sizeof(search_path));
  98         if (!SAFE_STRLCPY(search_path, dir_path, sizeof(search_path))) {
  99                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 100                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 101         }
 102
 103         while (STRING_VALID(search_path)) {
 104                 dp = opendir(search_path);
 105                 if (dp == NULL) {
 106                         *ignore = TRUE;
 107                         media_content_error("Open Directory fail");
 108                         media_content_sec_debug("Open fail path[%s]", search_path);
 109                         if (errno == EACCES || errno == EPERM)
 110                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 111                         else
 112                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 113                 }
 114
 115                 media_content_retvm_if(dp == NULL, MEDIA_CONTENT_ERROR_INVALID_OPERATION, "Open Directory fail");
 116
 117                 while (!readdir_r(dp, &entry, &result)) {
 118                         if (result == NULL)
 119                                 break;
 120
 121                         if (STRING_VALID(entry.d_name) && (strcmp(entry.d_name, scan_ignore) == 0)) {
 122                                 media_content_error("Find Ignore path");
 123                                 media_content_sec_debug("Ignore path[%s]", search_path);
 124                                 find = TRUE;
 125                                 break;
 126                         } else {
 127                                 /*media_content_sec_debug("entry.d_name[%s]", entry.d_name);*/
 128                                 continue;
 129                         }
 130                 }
 131
 132                 if (dp) closedir(dp);
 133                 dp = NULL;
 134
 135                 if (find) {
 136                         *ignore = TRUE;
 137                         break;
 138                 } else {
 139                         /*If root path, Stop Scanning*/
 140                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && strcmp(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 141                                 break;
 142                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (strcmp(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 143                                 break;
 144                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) && (STRING_VALID(MEDIA_ROOT_PATH_DISC)) && (strcmp(search_path, MEDIA_ROOT_PATH_DISC) == 0)) {
 145                                 break;
 146                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 147                                 char *parent_folder_path = NULL;
 148                                 bool is_root = FALSE;
 149
 150                                 parent_folder_path = g_path_get_dirname(search_path);
 151                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && STRING_VALID(parent_folder_path) && (strcmp(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 152                                         is_root = TRUE;
 153
 154                                 SAFE_FREE(parent_folder_path);
 155
 156                                 if (is_root == TRUE)
 157                                         break;
 158                         }
 159 #ifdef _USE_SENIOR_MODE
 160                         if (_media_content_is_support_senior_mode()) {
 161                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 162                                         break;
 163                         }
 164 #endif
 165
 166                         leaf_path = strrchr(search_path, '/');
 167                         if (leaf_path != NULL) {
 168                                 int seek_len = leaf_path -search_path;
 169                                 search_path[seek_len] = '\0';
 170                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 171                         } else {
 172                                 media_content_debug("Fail to find leaf path");
 173                                 break;
 174                         }
 175                 }
 176         }
 177
 178         return MEDIA_CONTENT_ERROR_NONE;
 179 }
 180
 181 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition, bool replace)
 182 {
 183         int ret = MEDIA_CONTENT_ERROR_NONE;
 184
 185 #ifdef _USE_TV_PROFILE
 186         snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 187 #else
 188         char old_condition[MAX_QUERY_SIZE] = {0, };
 189         char new_condition[MAX_QUERY_SIZE] = {0, };
 190         char *find = NULL;
 191         unsigned int str_len = 0;
 192
 193         char *find_str = NULL;
 194         char *to_replace_str = NULL;
 195
 196         if (replace == TRUE) {  //change User session path to System session path
 197                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &find_str);
 198                 if (ret != STORAGE_ERROR_NONE) {
 199                         media_content_error("storage_get_directory failed");
 200                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 201                         goto ERROR;
 202                 }
 203
 204                 to_replace_str = g_strdup(TIZEN_USER_CONTENT_PATH);
 205                 if (!STRING_VALID(to_replace_str)) {
 206                         media_content_error("Get TZ_USER_CONTENT failed");
 207                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 208                         goto ERROR;
 209                 }
 210         } else {
 211                 find_str = g_strdup(TIZEN_USER_CONTENT_PATH);
 212                 if (!STRING_VALID(find_str)) {
 213                         media_content_error("Get TZ_USER_CONTENT failed");
 214                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 215                         goto ERROR;
 216                 }
 217
 218                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &to_replace_str);
 219                 if (ret != STORAGE_ERROR_NONE) {
 220                         media_content_error("storage_get_directory failed");
 221                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 222                         goto ERROR;
 223                 }
 224         }
 225
 226         memset(old_condition, 0, sizeof(old_condition));
 227         memset(new_condition, 0, sizeof(new_condition));
 228
 229         media_content_sec_debug("Old condition[%s]", condition);
 230
 231         if (!SAFE_STRLCPY(new_condition, condition, sizeof(new_condition))) {
 232                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 233                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 234                 goto ERROR;
 235         }
 236
 237         find = strstr(new_condition, find_str);
 238
 239         while (find != NULL) {
 240                 str_len = find - new_condition;
 241
 242                 memset(old_condition, 0, sizeof(old_condition));
 243                 if (!SAFE_STRLCPY(old_condition, new_condition, sizeof(old_condition))) {
 244                         media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 245                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 246                         goto ERROR;
 247                 }
 248                 memset(new_condition, 0, sizeof(new_condition));
 249
 250                 snprintf(new_condition, str_len + 1, "%s", old_condition);
 251
 252                 SAFE_STRLCAT(new_condition, to_replace_str, sizeof(new_condition));
 253                 SAFE_STRLCAT(new_condition, old_condition + str_len + strlen(find_str), sizeof(new_condition));
 254
 255                 find = strstr(new_condition, find_str);
 256         }
 257
 258         if (!SAFE_STRLCPY(replace_condition, new_condition, MAX_QUERY_SIZE)) {
 259                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 260                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 261                 goto ERROR;
 262         }
 263
 264         media_content_sec_debug("repl cond[%s]", replace_condition);
 265
 266         if (!STRING_VALID(replace_condition)) {
 267                 media_content_error("replace failed");
 268                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 269                 goto ERROR;
 270         }
 271
 272 ERROR:
 273         SAFE_FREE(find_str);
 274         SAFE_FREE(to_replace_str);
 275 #endif
 276
 277         return ret;
 278 }
 279
 280 int _media_content_replace_path(const char *path, char *replace_path)
 281 {
 282 #ifdef _USE_TV_PROFILE
 283         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 284 #else
 285
 286         int ret = MEDIA_CONTENT_ERROR_NONE;
 287         char *old_internal_path =  NULL;
 288
 289         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 290         if (ret != STORAGE_ERROR_NONE) {
 291                 media_content_error("storage_get_directory failed");
 292                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 293         }
 294
 295         if (strncmp(path, old_internal_path, strlen(old_internal_path)) == 0) {
 296                 media_content_sec_debug("Old path[%s]", path);
 297                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", TIZEN_USER_CONTENT_PATH, path + strlen(old_internal_path));
 298         } else {
 299                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 300         }
 301
 302         SAFE_FREE(old_internal_path);
 303 #endif
 304
 305         if (!STRING_VALID(replace_path)) {
 306                 media_content_error("replace failed");
 307                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 308         }
 309
 310         return MEDIA_CONTENT_ERROR_NONE;
 311 }
 312
 313 int _media_content_rollback_path(const char *path, char *replace_path)
 314 {
 315 #ifdef _USE_TV_PROFILE
 316                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 317 #else
 318
 319         int ret = MEDIA_CONTENT_ERROR_NONE;
 320         char *old_internal_path =  NULL;
 321
 322         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 323         if (ret != STORAGE_ERROR_NONE) {
 324                 media_content_error("storage_get_directory failed");
 325                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 326         }
 327
 328         if (strncmp(path, TIZEN_USER_CONTENT_PATH, strlen(TIZEN_USER_CONTENT_PATH)) == 0) {
 329                 media_content_sec_debug("new path[%s]", path);
 330                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", old_internal_path, path + strlen(TIZEN_USER_CONTENT_PATH));
 331         } else {
 332                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 333         }
 334
 335         SAFE_FREE(old_internal_path);
 336 #endif
 337
 338         if (!STRING_VALID(replace_path)) {
 339                 media_content_error("replace failed");
 340                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 341         }
 342
 343         return MEDIA_CONTENT_ERROR_NONE;
 344 }
 345
 346 #ifdef _USE_SENIOR_MODE
 347 bool _media_content_is_support_senior_mode()
 348 {
 349         bool bSupportSeniorMode = false;
 350
 351         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 352                 media_content_debug("Get senior mode support failed");
 353                 return false;
 354         }
 355         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 356         return bSupportSeniorMode;
 357 }
 358 #endif
 359