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