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 #include <system_info.h>
  23 #ifdef _USE_SENIOR_MODE
  24 #include <media_util_private.h>
  25 #endif
  26
  27 static int MEDIA_CONTENT_OTHER_SUPPORT = -1;
  28
  29 bool _media_util_check_support_media_type(const char *path)
  30 {
  31         int ret = SYSTEM_INFO_ERROR_NONE;
  32         int media_type = -1;
  33         bool is_supported = false;
  34
  35         media_content_retvm_if(!STRING_VALID(path), false, "path is empty");
  36
  37         if (MEDIA_CONTENT_OTHER_SUPPORT == -1) {
  38                 ret = system_info_get_platform_bool("http://tizen.org/feature/content.scanning.others", &is_supported);
  39                 if (ret != SYSTEM_INFO_ERROR_NONE) {
  40                         media_content_debug("SYSTEM_INFO_ERROR: content.scanning.others [%d]", ret);
  41                         return false;
  42                 }
  43
  44                 MEDIA_CONTENT_OTHER_SUPPORT = is_supported;
  45         }
  46
  47         /* If not, check media type */
  48         if (!MEDIA_CONTENT_OTHER_SUPPORT) {
  49                 ret = media_svc_get_media_type(path, &media_type);
  50                 media_content_retvm_if(ret != MS_MEDIA_ERR_NONE, false, "Failed to get media type");
  51
  52                 if (media_type == MEDIA_CONTENT_TYPE_OTHERS)
  53                         return false;
  54         }
  55
  56         return true;
  57 }
  58
  59 int _media_util_check_file_exist(const char *path)
  60 {
  61         int exist;
  62
  63         /* check the file exits actually */
  64         exist = open(path, O_RDONLY);
  65         if (exist < 0) {
  66                 media_content_sec_debug("path [%s]", path);
  67                 media_content_stderror("open file fail");
  68                 if (errno == EACCES || errno == EPERM)
  69                         return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
  70                 else
  71                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  72         }
  73
  74         close(exist);
  75
  76         return MEDIA_CONTENT_ERROR_NONE;
  77 }
  78
  79 int _media_util_check_ignore_file(const char *path, bool *ignore)
  80 {
  81         media_content_retvm_if(!STRING_VALID(path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid path");
  82
  83         *ignore = FALSE;
  84         char *tmp_path = NULL;
  85         char *org_path = NULL;
  86
  87 #ifndef _USE_TVPD_MODE
  88         char replace[MAX_PATH_LEN] = {0, };
  89 #endif
  90
  91         /* Check symbolic link file */
  92         if (g_file_test(path, G_FILE_TEST_IS_SYMLINK)) {
  93                 *ignore = TRUE;
  94                 media_content_error("symbolic link(file)");
  95                 media_content_sec_debug("path : %s", path);
  96                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  97         }
  98
  99         /* Check hidden path */
 100         if (strstr(path, "/.") != NULL) {
 101                 *ignore = TRUE;
 102                 media_content_error("hidden path");
 103                 media_content_sec_debug("path : %s", path);
 104                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 105         }
 106
 107         /* Check symbolic directory */
 108         tmp_path = realpath(path, NULL);
 109         /* remove if suffix is '/' */
 110         if (g_str_has_suffix(path, "/"))
 111                 org_path = g_strndup(path, strlen(path) - 1);
 112         else
 113                 org_path = g_strdup(path);
 114
 115 #ifdef _USE_TVPD_MODE
 116         if (g_strcmp0(tmp_path, org_path) != 0) {
 117                 *ignore = TRUE;
 118                 media_content_error("symbolic link(directory)");
 119                 media_content_sec_debug("path[%s] real[%s]", org_path, tmp_path);
 120                 SAFE_FREE(tmp_path);
 121                 SAFE_FREE(org_path);
 122                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 123         }
 124 #else
 125         if (g_str_has_prefix(tmp_path, MEDIA_SHARE_PATH)) {
 126                 /* If shared dirctory, it should be change path to TZ_USER_SHARE from realpath */
 127                 snprintf(replace, MAX_PATH_LEN, "%s%s", tzplatform_getenv(TZ_USER_MEDIASHARED), tmp_path + strlen(MEDIA_SHARE_PATH));
 128                 if (g_strcmp0(replace, org_path) != 0) {
 129                         *ignore = TRUE;
 130                         media_content_error("symbolic link(directory)");
 131                         media_content_sec_debug("path[%s] real[%s]", org_path, tmp_path);
 132                         SAFE_FREE(tmp_path);
 133                         SAFE_FREE(org_path);
 134                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 135                 }
 136         } else {
 137                 if (g_strcmp0(tmp_path, org_path) != 0) {
 138                         *ignore = TRUE;
 139                         media_content_error("symbolic link(directory)");
 140                         media_content_sec_debug("path[%s] real[%s]", org_path, tmp_path);
 141                         SAFE_FREE(tmp_path);
 142                         SAFE_FREE(org_path);
 143                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 144                 }
 145         }
 146 #endif
 147         SAFE_FREE(tmp_path);
 148         SAFE_FREE(org_path);
 149
 150         return MEDIA_CONTENT_ERROR_NONE;
 151 }
 152
 153 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
 154 {
 155         int ret = MEDIA_CONTENT_ERROR_NONE;
 156         media_svc_storage_type_e storage_type = 0;
 157         const char *scan_ignore = ".scan_ignore";
 158         bool find = false;
 159         GDir *dir = NULL;
 160         GError *error = NULL;
 161         const char *name;
 162
 163         media_content_sec_debug("dir_path : %s", dir_path);
 164
 165         media_content_retvm_if(!STRING_VALID(dir_path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid dir_path");
 166
 167         *ignore = FALSE;
 168         /*1. Check Hidden Directory*/
 169         if (strstr(dir_path, "/.") != NULL) {
 170                 *ignore = TRUE;
 171                 media_content_error("hidden path");
 172                 return MEDIA_CONTENT_ERROR_NONE;
 173         }
 174
 175         /*2. Check Scan Ignore Directory*/
 176         ret = media_svc_get_storage_type(dir_path, &storage_type, _content_get_uid());
 177         if (ret != MS_MEDIA_ERR_NONE) {
 178                 media_content_error("media_svc_get_storage_type failed : %d", ret);
 179                 return _content_error_capi(MEDIA_CONTENT_TYPE, ret);
 180         }
 181
 182         char *leaf_path = NULL;
 183         char search_path[MAX_PATH_LEN] = {0, };
 184
 185         memset(search_path, 0, sizeof(search_path));
 186         if (!SAFE_STRLCPY(search_path, dir_path, sizeof(search_path))) {
 187                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 188                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 189         }
 190
 191         while (STRING_VALID(search_path)) {
 192                 dir = g_dir_open(search_path, 0, &error);
 193                 if (dir != NULL && error == NULL) {
 194                         while ((name = g_dir_read_name(dir))) {
 195                                 if (g_strcmp0(name, scan_ignore) == 0) {
 196                                         media_content_sec_debug("Ignore path[%s]", search_path);
 197                                         find = TRUE;
 198                                         break;
 199                                 }
 200                         }
 201                 } else {
 202                         *ignore = TRUE;
 203                         media_content_error("Open Directory fail");
 204                         if (error->code == G_FILE_ERROR_ACCES)
 205                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 206                         else
 207                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 208                 }
 209
 210                 if (dir)
 211                         g_dir_close(dir);
 212
 213                 if (find) {
 214                         *ignore = TRUE;
 215                         break;
 216                 } else {
 217                         /*If root path, Stop Scanning*/
 218                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && g_strcmp0(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 219                                 break;
 220                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 221                                 break;
 222                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) && (STRING_VALID(MEDIA_ROOT_PATH_DISC)) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_DISC) == 0)) {
 223                                 break;
 224                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 225                                 char *parent_folder_path = NULL;
 226                                 bool is_root = FALSE;
 227
 228                                 parent_folder_path = g_path_get_dirname(search_path);
 229                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && STRING_VALID(parent_folder_path) && (g_strcmp0(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 230                                         is_root = TRUE;
 231
 232                                 SAFE_FREE(parent_folder_path);
 233
 234                                 if (is_root == TRUE)
 235                                         break;
 236                         }
 237 #ifdef _USE_SENIOR_MODE
 238                         if (_media_content_is_support_senior_mode()) {
 239                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 240                                         break;
 241                         }
 242 #endif
 243
 244                         leaf_path = strrchr(search_path, '/');
 245                         if (leaf_path != NULL) {
 246                                 int seek_len = leaf_path -search_path;
 247                                 search_path[seek_len] = '\0';
 248                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 249                         } else {
 250                                 media_content_debug("Fail to find leaf path");
 251                                 break;
 252                         }
 253                 }
 254         }
 255
 256         return MEDIA_CONTENT_ERROR_NONE;
 257 }
 258
 259 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition, bool replace)
 260 {
 261         int ret = MEDIA_CONTENT_ERROR_NONE;
 262
 263 #ifdef _USE_TVPD_MODE
 264         snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 265 #else
 266         char old_condition[MAX_QUERY_SIZE] = {0, };
 267         char new_condition[MAX_QUERY_SIZE] = {0, };
 268         char *find = NULL;
 269         unsigned int str_len = 0;
 270
 271         char *find_str = NULL;
 272         char *to_replace_str = NULL;
 273
 274         if (replace == TRUE) {  //change User session path to System session path
 275                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &find_str);
 276                 if (ret != STORAGE_ERROR_NONE) {
 277                         media_content_error("storage_get_directory failed");
 278                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 279                         goto ERROR;
 280                 }
 281
 282                 to_replace_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 283                 if (!STRING_VALID(to_replace_str)) {
 284                         media_content_error("Get TZ_USER_CONTENT failed");
 285                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 286                         goto ERROR;
 287                 }
 288         } else {
 289                 find_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 290                 if (!STRING_VALID(find_str)) {
 291                         media_content_error("Get TZ_USER_CONTENT failed");
 292                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 293                         goto ERROR;
 294                 }
 295
 296                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &to_replace_str);
 297                 if (ret != STORAGE_ERROR_NONE) {
 298                         media_content_error("storage_get_directory failed");
 299                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 300                         goto ERROR;
 301                 }
 302         }
 303
 304         memset(old_condition, 0, sizeof(old_condition));
 305         memset(new_condition, 0, sizeof(new_condition));
 306
 307         media_content_sec_debug("Old condition[%s]", condition);
 308
 309         if (!SAFE_STRLCPY(new_condition, condition, sizeof(new_condition))) {
 310                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 311                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 312                 goto ERROR;
 313         }
 314
 315         if (g_strcmp0(find_str, to_replace_str))
 316                 find = strstr(new_condition, find_str);
 317
 318         while (find != NULL) {
 319                 str_len = find - new_condition;
 320
 321                 memset(old_condition, 0, sizeof(old_condition));
 322                 if (!SAFE_STRLCPY(old_condition, new_condition, sizeof(old_condition))) {
 323                         media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 324                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 325                         goto ERROR;
 326                 }
 327                 memset(new_condition, 0, sizeof(new_condition));
 328
 329                 snprintf(new_condition, str_len + 1, "%s", old_condition);
 330
 331                 SAFE_STRLCAT(new_condition, to_replace_str, sizeof(new_condition));
 332                 SAFE_STRLCAT(new_condition, old_condition + str_len + strlen(find_str), sizeof(new_condition));
 333
 334                 find = strstr(new_condition, find_str);
 335         }
 336
 337         if (!SAFE_STRLCPY(replace_condition, new_condition, MAX_QUERY_SIZE)) {
 338                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 339                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 340                 goto ERROR;
 341         }
 342
 343         media_content_sec_debug("repl cond[%s]", replace_condition);
 344
 345         if (!STRING_VALID(replace_condition)) {
 346                 media_content_error("replace failed");
 347                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 348                 goto ERROR;
 349         }
 350
 351 ERROR:
 352         SAFE_FREE(find_str);
 353         SAFE_FREE(to_replace_str);
 354 #endif
 355
 356         return ret;
 357 }
 358
 359 int _media_content_replace_path(const char *path, char *replace_path)
 360 {
 361 #ifdef _USE_TVPD_MODE
 362         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 363 #else
 364
 365         int ret = MEDIA_CONTENT_ERROR_NONE;
 366         char *old_internal_path =  NULL;
 367
 368         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 369         if (ret != STORAGE_ERROR_NONE) {
 370                 media_content_error("storage_get_directory failed");
 371                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 372         }
 373
 374         if (strncmp(path, old_internal_path, strlen(old_internal_path)) == 0) {
 375                 media_content_sec_debug("Old path[%s]", path);
 376                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", MEDIA_ROOT_PATH_INTERNAL, path + strlen(old_internal_path));
 377         } else {
 378                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 379         }
 380
 381         SAFE_FREE(old_internal_path);
 382 #endif
 383
 384         if (!STRING_VALID(replace_path)) {
 385                 media_content_error("replace failed");
 386                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 387         }
 388
 389         return MEDIA_CONTENT_ERROR_NONE;
 390 }
 391
 392 int _media_content_rollback_path(const char *path, char *replace_path)
 393 {
 394 #ifdef _USE_TVPD_MODE
 395                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 396 #else
 397
 398         int ret = MEDIA_CONTENT_ERROR_NONE;
 399         char *old_internal_path =  NULL;
 400
 401         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 402         if (ret != STORAGE_ERROR_NONE) {
 403                 media_content_error("storage_get_directory failed");
 404                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 405         }
 406
 407         if (strncmp(path, MEDIA_ROOT_PATH_INTERNAL, strlen(MEDIA_ROOT_PATH_INTERNAL)) == 0) {
 408                 media_content_sec_debug("new path[%s]", path);
 409                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", old_internal_path, path + strlen(MEDIA_ROOT_PATH_INTERNAL));
 410         } else {
 411                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 412         }
 413
 414         SAFE_FREE(old_internal_path);
 415 #endif
 416
 417         if (!STRING_VALID(replace_path)) {
 418                 media_content_error("replace failed");
 419                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 420         }
 421
 422         return MEDIA_CONTENT_ERROR_NONE;
 423 }
 424
 425 #ifdef _USE_SENIOR_MODE
 426 bool _media_content_is_support_senior_mode()
 427 {
 428         bool bSupportSeniorMode = false;
 429
 430         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 431                 media_content_debug("Get senior mode support failed");
 432                 return false;
 433         }
 434         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 435         return bSupportSeniorMode;
 436 }
 437 #endif
 438