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 int _media_util_check_file_exist(const char *path)
  28 {
  29         int exist;
  30
  31         /* check the file exits actually */
  32         exist = open(path, O_RDONLY);
  33         if (exist < 0) {
  34                 media_content_sec_debug("path [%s]", path);
  35                 media_content_stderror("open file fail");
  36                 if (errno == EACCES || errno == EPERM)
  37                         return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
  38                 else
  39                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  40         }
  41
  42         close(exist);
  43
  44         return MEDIA_CONTENT_ERROR_NONE;
  45 }
  46
  47 int _media_util_check_ignore_file(const char *path, bool *ignore)
  48 {
  49         media_content_retvm_if(!STRING_VALID(path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid path");
  50
  51         *ignore = FALSE;
  52
  53         if (strstr(path, "/.") != NULL) {
  54                 *ignore = TRUE;
  55                 media_content_error("hidden path");
  56                 media_content_sec_debug("path : %s", path);
  57         }
  58
  59         return MEDIA_CONTENT_ERROR_NONE;
  60 }
  61
  62 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
  63 {
  64         int ret = MEDIA_CONTENT_ERROR_NONE;
  65         media_svc_storage_type_e storage_type = 0;
  66         const char *scan_ignore = ".scan_ignore";
  67         bool find = false;
  68
  69         media_content_sec_debug("dir_path : %s", dir_path);
  70
  71         media_content_retvm_if(!STRING_VALID(dir_path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid dir_path");
  72
  73         *ignore = FALSE;
  74         /*1. Check Hidden Directory*/
  75         if (strstr(dir_path, "/.") != NULL) {
  76                 *ignore = TRUE;
  77                 media_content_error("hidden path");
  78                 return MEDIA_CONTENT_ERROR_NONE;
  79         }
  80
  81         /*2. Check Scan Ignore Directory*/
  82         ret = media_svc_get_storage_type(dir_path, &storage_type, tzplatform_getuid(TZ_USER_NAME));
  83         if (ret != MS_MEDIA_ERR_NONE) {
  84                 media_content_error("media_svc_get_storage_type failed : %d", ret);
  85                 return _content_error_capi(MEDIA_CONTENT_TYPE, ret);
  86         }
  87
  88         DIR *dp = NULL;
  89         struct dirent entry;
  90         struct dirent *result = NULL;
  91
  92         char *leaf_path = NULL;
  93         char search_path[MAX_PATH_LEN] = {0, };
  94
  95         memset(search_path, 0, sizeof(search_path));
  96         if (!SAFE_STRLCPY(search_path, dir_path, sizeof(search_path))) {
  97                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
  98                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
  99         }
 100
 101         while (STRING_VALID(search_path)) {
 102                 dp = opendir(search_path);
 103                 if (dp == NULL) {
 104                         *ignore = TRUE;
 105                         media_content_error("Open Directory fail");
 106                         media_content_sec_debug("Open fail path[%s]", search_path);
 107                         if (errno == EACCES || errno == EPERM)
 108                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 109                         else
 110                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 111                 }
 112
 113                 media_content_retvm_if(dp == NULL, MEDIA_CONTENT_ERROR_INVALID_OPERATION, "Open Directory fail");
 114
 115                 while (!readdir_r(dp, &entry, &result)) {
 116                         if (result == NULL)
 117                                 break;
 118
 119                         if (STRING_VALID(entry.d_name) && (strcmp(entry.d_name, scan_ignore) == 0)) {
 120                                 media_content_error("Find Ignore path");
 121                                 media_content_sec_debug("Ignore path[%s]", search_path);
 122                                 find = TRUE;
 123                                 break;
 124                         } else {
 125                                 /*media_content_sec_debug("entry.d_name[%s]", entry.d_name);*/
 126                                 continue;
 127                         }
 128                 }
 129
 130                 if (dp) closedir(dp);
 131                 dp = NULL;
 132
 133                 if (find) {
 134                         *ignore = TRUE;
 135                         break;
 136                 } else {
 137                         /*If root path, Stop Scanning*/
 138                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && strcmp(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 139                                 break;
 140                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (strcmp(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 141                                 break;
 142                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) && (STRING_VALID(MEDIA_ROOT_PATH_DISC)) && (strcmp(search_path, MEDIA_ROOT_PATH_DISC) == 0)) {
 143                                 break;
 144                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 145                                 char *parent_folder_path = NULL;
 146                                 bool is_root = FALSE;
 147
 148                                 parent_folder_path = g_path_get_dirname(search_path);
 149                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && STRING_VALID(parent_folder_path) && (strcmp(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 150                                         is_root = TRUE;
 151
 152                                 SAFE_FREE(parent_folder_path);
 153
 154                                 if (is_root == TRUE)
 155                                         break;
 156                         }
 157 #ifdef _USE_SENIOR_MODE
 158                         if (_media_content_is_support_senior_mode()) {
 159                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 160                                         break;
 161                         }
 162 #endif
 163
 164                         leaf_path = strrchr(search_path, '/');
 165                         if (leaf_path != NULL) {
 166                                 int seek_len = leaf_path -search_path;
 167                                 search_path[seek_len] = '\0';
 168                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 169                         } else {
 170                                 media_content_debug("Fail to find leaf path");
 171                                 break;
 172                         }
 173                 }
 174         }
 175
 176         return MEDIA_CONTENT_ERROR_NONE;
 177 }
 178
 179 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition, bool replace)
 180 {
 181         int ret = MEDIA_CONTENT_ERROR_NONE;
 182
 183 #ifdef _USE_TV_PROFILE
 184         snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 185 #else
 186         char old_condition[MAX_QUERY_SIZE] = {0, };
 187         char new_condition[MAX_QUERY_SIZE] = {0, };
 188         char *find = NULL;
 189         unsigned int str_len = 0;
 190
 191         char *find_str = NULL;
 192         char *to_replace_str = NULL;
 193
 194         if (replace == TRUE) {  //change User session path to System session path
 195                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &find_str);
 196                 if (ret != STORAGE_ERROR_NONE) {
 197                         media_content_error("storage_get_directory failed");
 198                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 199                         goto ERROR;
 200                 }
 201
 202                 to_replace_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 203                 if (!STRING_VALID(to_replace_str)) {
 204                         media_content_error("Get TZ_USER_CONTENT failed");
 205                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 206                         goto ERROR;
 207                 }
 208         } else {
 209                 find_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 210                 if (!STRING_VALID(find_str)) {
 211                         media_content_error("Get TZ_USER_CONTENT failed");
 212                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 213                         goto ERROR;
 214                 }
 215
 216                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &to_replace_str);
 217                 if (ret != STORAGE_ERROR_NONE) {
 218                         media_content_error("storage_get_directory failed");
 219                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 220                         goto ERROR;
 221                 }
 222         }
 223
 224         memset(old_condition, 0, sizeof(old_condition));
 225         memset(new_condition, 0, sizeof(new_condition));
 226
 227         media_content_sec_debug("Old condition[%s]", condition);
 228
 229         if (!SAFE_STRLCPY(new_condition, condition, sizeof(new_condition))) {
 230                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 231                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 232                 goto ERROR;
 233         }
 234
 235         find = strstr(new_condition, find_str);
 236
 237         while (find != NULL) {
 238                 str_len = find - new_condition;
 239
 240                 memset(old_condition, 0, sizeof(old_condition));
 241                 if (!SAFE_STRLCPY(old_condition, new_condition, sizeof(old_condition))) {
 242                         media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 243                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 244                         goto ERROR;
 245                 }
 246                 memset(new_condition, 0, sizeof(new_condition));
 247
 248                 snprintf(new_condition, str_len + 1, "%s", old_condition);
 249
 250                 SAFE_STRLCAT(new_condition, to_replace_str, sizeof(new_condition));
 251                 SAFE_STRLCAT(new_condition, old_condition + str_len + strlen(find_str), sizeof(new_condition));
 252
 253                 find = strstr(new_condition, find_str);
 254         }
 255
 256         if (!SAFE_STRLCPY(replace_condition, new_condition, MAX_QUERY_SIZE)) {
 257                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 258                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 259                 goto ERROR;
 260         }
 261
 262         media_content_sec_debug("repl cond[%s]", replace_condition);
 263
 264         if (!STRING_VALID(replace_condition)) {
 265                 media_content_error("replace failed");
 266                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 267                 goto ERROR;
 268         }
 269
 270 ERROR:
 271         SAFE_FREE(find_str);
 272         SAFE_FREE(to_replace_str);
 273 #endif
 274
 275         return ret;
 276 }
 277
 278 int _media_content_replace_path(const char *path, char *replace_path)
 279 {
 280 #ifdef _USE_TV_PROFILE
 281         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 282 #else
 283
 284         int ret = MEDIA_CONTENT_ERROR_NONE;
 285         char *old_internal_path =  NULL;
 286
 287         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 288         if (ret != STORAGE_ERROR_NONE) {
 289                 media_content_error("storage_get_directory failed");
 290                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 291         }
 292
 293         if (strncmp(path, old_internal_path, strlen(old_internal_path)) == 0) {
 294                 media_content_sec_debug("Old path[%s]", path);
 295                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", MEDIA_ROOT_PATH_INTERNAL, path + strlen(old_internal_path));
 296         } else {
 297                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 298         }
 299
 300         SAFE_FREE(old_internal_path);
 301 #endif
 302
 303         if (!STRING_VALID(replace_path)) {
 304                 media_content_error("replace failed");
 305                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 306         }
 307
 308         return MEDIA_CONTENT_ERROR_NONE;
 309 }
 310
 311 int _media_content_rollback_path(const char *path, char *replace_path)
 312 {
 313 #ifdef _USE_TV_PROFILE
 314                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 315 #else
 316
 317         int ret = MEDIA_CONTENT_ERROR_NONE;
 318         char *old_internal_path =  NULL;
 319
 320         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 321         if (ret != STORAGE_ERROR_NONE) {
 322                 media_content_error("storage_get_directory failed");
 323                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 324         }
 325
 326         if (strncmp(path, MEDIA_ROOT_PATH_INTERNAL, strlen(MEDIA_ROOT_PATH_INTERNAL)) == 0) {
 327                 media_content_sec_debug("new path[%s]", path);
 328                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", old_internal_path, path + strlen(MEDIA_ROOT_PATH_INTERNAL));
 329         } else {
 330                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 331         }
 332
 333         SAFE_FREE(old_internal_path);
 334 #endif
 335
 336         if (!STRING_VALID(replace_path)) {
 337                 media_content_error("replace failed");
 338                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 339         }
 340
 341         return MEDIA_CONTENT_ERROR_NONE;
 342 }
 343
 344 #ifdef _USE_SENIOR_MODE
 345 bool _media_content_is_support_senior_mode()
 346 {
 347         bool bSupportSeniorMode = false;
 348
 349         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 350                 media_content_debug("Get senior mode support failed");
 351                 return false;
 352         }
 353         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 354         return bSupportSeniorMode;
 355 }
 356 #endif
 357