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
 186 #ifdef _USE_TV_PROFILE
 187         snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 188 #else
 189         char old_condition[MAX_QUERY_SIZE] = {0, };
 190         char new_condition[MAX_QUERY_SIZE] = {0, };
 191         char *find = NULL;
 192         unsigned int str_len = 0;
 193
 194         char *find_str = NULL;
 195         char *to_replace_str = NULL;
 196
 197         if (replace == TRUE) {  //change User session path to System session path
 198                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &find_str);
 199                 if (ret != STORAGE_ERROR_NONE) {
 200                         media_content_error("storage_get_directory failed");
 201                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 202                         goto ERROR;
 203                 }
 204
 205                 to_replace_str = g_strdup(TIZEN_USER_CONTENT_PATH);
 206                 if (!STRING_VALID(to_replace_str)) {
 207                         media_content_error("Get TZ_USER_CONTENT failed");
 208                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 209                         goto ERROR;
 210                 }
 211         } else {
 212                 find_str = g_strdup(TIZEN_USER_CONTENT_PATH);
 213                 if (!STRING_VALID(find_str)) {
 214                         media_content_error("Get TZ_USER_CONTENT failed");
 215                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 216                         goto ERROR;
 217                 }
 218
 219                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &to_replace_str);
 220                 if (ret != STORAGE_ERROR_NONE) {
 221                         media_content_error("storage_get_directory failed");
 222                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 223                         goto ERROR;
 224                 }
 225         }
 226
 227         memset(old_condition, 0, sizeof(old_condition));
 228         memset(new_condition, 0, sizeof(new_condition));
 229
 230         media_content_sec_debug("Old condition[%s]", condition);
 231
 232         if (!SAFE_STRLCPY(new_condition, condition, sizeof(new_condition))) {
 233                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 234                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 235                 goto ERROR;
 236         }
 237
 238         find = strstr(new_condition, find_str);
 239
 240         while (find != NULL) {
 241                 str_len = find - new_condition;
 242
 243                 memset(old_condition, 0, sizeof(old_condition));
 244                 if (!SAFE_STRLCPY(old_condition, new_condition, sizeof(old_condition))) {
 245                         media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 246                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 247                         goto ERROR;
 248                 }
 249                 memset(new_condition, 0, sizeof(new_condition));
 250
 251                 snprintf(new_condition, str_len + 1, "%s", old_condition);
 252
 253                 SAFE_STRLCAT(new_condition, to_replace_str, sizeof(new_condition));
 254                 SAFE_STRLCAT(new_condition, old_condition + str_len + strlen(find_str), sizeof(new_condition));
 255
 256                 find = strstr(new_condition, find_str);
 257         }
 258
 259         if (!SAFE_STRLCPY(replace_condition, new_condition, MAX_QUERY_SIZE)) {
 260                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 261                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 262                 goto ERROR;
 263         }
 264
 265         media_content_sec_debug("repl cond[%s]", replace_condition);
 266
 267         if (!STRING_VALID(replace_condition)) {
 268                 media_content_error("replace failed");
 269                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 270                 goto ERROR;
 271         }
 272
 273 ERROR:
 274         SAFE_FREE(find_str);
 275         SAFE_FREE(to_replace_str);
 276 #endif
 277
 278         return ret;
 279 }
 280
 281 int _media_content_replace_path(const char *path, char *replace_path)
 282 {
 283 #ifdef _USE_TV_PROFILE
 284         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 285 #else
 286
 287         int ret = MEDIA_CONTENT_ERROR_NONE;
 288
 289         if (!STRING_VALID(g_old_path)) {
 290                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_path);
 291                 if (ret != STORAGE_ERROR_NONE) {
 292                         media_content_error("storage_get_directory failed");
 293                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 294                 }
 295         }
 296
 297         if (strncmp(path, g_old_path, strlen(g_old_path)) == 0) {
 298                 media_content_sec_debug("Old path[%s]", path);
 299                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", tzplatform_getenv(TZ_USER_CONTENT), path + strlen(g_old_path));
 300         } else {
 301                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 302         }
 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
 321         if (!STRING_VALID(g_old_path)) {
 322                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_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
 329         if (strncmp(path, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT))) == 0) {
 330                 media_content_sec_debug("new path[%s]", path);
 331                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", g_old_path, path + strlen(tzplatform_getenv(TZ_USER_CONTENT)));
 332         } else {
 333                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 334         }
 335 #endif
 336
 337         if (!STRING_VALID(replace_path)) {
 338                 media_content_error("replace failed");
 339                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 340         }
 341
 342         return MEDIA_CONTENT_ERROR_NONE;
 343 }
 344
 345 #ifdef _USE_SENIOR_MODE
 346 bool _media_content_is_support_senior_mode()
 347 {
 348         bool bSupportSeniorMode = false;
 349
 350         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 351                 media_content_debug("Get senior mode support failed");
 352                 return false;
 353         }
 354         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 355         return bSupportSeniorMode;
 356 }
 357 #endif
 358