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 is exist (It may be the path to the deleted file) */
  92         if (!g_file_test(path, G_FILE_TEST_EXISTS)) {
  93                 media_content_sec_debug("removed path[%s]", path);
  94                 return MEDIA_CONTENT_ERROR_NONE;
  95         }
  96
  97         /* Check symbolic link file */
  98         if (g_file_test(path, G_FILE_TEST_IS_SYMLINK)) {
  99                 *ignore = TRUE;
 100                 media_content_error("symbolic link(file)");
 101                 media_content_sec_debug("path : %s", path);
 102                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 103         }
 104
 105         /* Check hidden path */
 106         if (strstr(path, "/.") != NULL) {
 107                 *ignore = TRUE;
 108                 media_content_error("hidden path");
 109                 media_content_sec_debug("path : %s", path);
 110                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 111         }
 112
 113         /* Check symbolic directory */
 114         tmp_path = realpath(path, NULL);
 115         /* remove if suffix is '/' */
 116         if (g_str_has_suffix(path, "/"))
 117                 org_path = g_strndup(path, strlen(path) - 1);
 118         else
 119                 org_path = g_strdup(path);
 120
 121 #ifdef _USE_TVPD_MODE
 122         if (g_strcmp0(tmp_path, org_path) != 0) {
 123                 *ignore = TRUE;
 124                 media_content_error("symbolic link(directory)");
 125                 media_content_sec_debug("path[%s] real[%s]", org_path, tmp_path);
 126                 SAFE_FREE(tmp_path);
 127                 SAFE_FREE(org_path);
 128                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 129         }
 130 #else
 131         if (g_str_has_prefix(tmp_path, MEDIA_SHARE_PATH)) {
 132                 /* If shared dirctory, it should be change path to TZ_USER_SHARE from realpath */
 133                 snprintf(replace, MAX_PATH_LEN, "%s%s", tzplatform_getenv(TZ_USER_MEDIASHARED), tmp_path + strlen(MEDIA_SHARE_PATH));
 134                 if (g_strcmp0(replace, org_path) != 0) {
 135                         *ignore = TRUE;
 136                         media_content_error("symbolic link(directory)");
 137                         media_content_sec_debug("path[%s] real[%s]", org_path, tmp_path);
 138                         SAFE_FREE(tmp_path);
 139                         SAFE_FREE(org_path);
 140                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 141                 }
 142         } else {
 143                 if (g_strcmp0(tmp_path, org_path) != 0) {
 144                         *ignore = TRUE;
 145                         media_content_error("symbolic link(directory)");
 146                         media_content_sec_debug("path[%s] real[%s]", org_path, tmp_path);
 147                         SAFE_FREE(tmp_path);
 148                         SAFE_FREE(org_path);
 149                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 150                 }
 151         }
 152 #endif
 153         SAFE_FREE(tmp_path);
 154         SAFE_FREE(org_path);
 155
 156         return MEDIA_CONTENT_ERROR_NONE;
 157 }
 158
 159 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
 160 {
 161         int ret = MEDIA_CONTENT_ERROR_NONE;
 162         media_svc_storage_type_e storage_type = 0;
 163         const char *scan_ignore = ".scan_ignore";
 164         bool find = false;
 165         GDir *dir = NULL;
 166         GError *error = NULL;
 167         const char *name;
 168
 169         media_content_sec_debug("dir_path : %s", dir_path);
 170
 171         media_content_retvm_if(!STRING_VALID(dir_path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid dir_path");
 172
 173         *ignore = FALSE;
 174         /*1. Check Hidden Directory*/
 175         if (strstr(dir_path, "/.") != NULL) {
 176                 *ignore = TRUE;
 177                 media_content_error("hidden path");
 178                 return MEDIA_CONTENT_ERROR_NONE;
 179         }
 180
 181         /*2. Check Scan Ignore Directory*/
 182         ret = media_svc_get_storage_type(dir_path, &storage_type, _content_get_uid());
 183         if (ret != MS_MEDIA_ERR_NONE) {
 184                 media_content_error("media_svc_get_storage_type failed : %d", ret);
 185                 return _content_error_capi(MEDIA_CONTENT_TYPE, ret);
 186         }
 187
 188         char *leaf_path = NULL;
 189         char search_path[MAX_PATH_LEN] = {0, };
 190
 191         memset(search_path, 0, sizeof(search_path));
 192         if (!SAFE_STRLCPY(search_path, dir_path, sizeof(search_path))) {
 193                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 194                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 195         }
 196
 197         while (STRING_VALID(search_path)) {
 198                 dir = g_dir_open(search_path, 0, &error);
 199                 if (dir != NULL && error == NULL) {
 200                         while ((name = g_dir_read_name(dir))) {
 201                                 if (g_strcmp0(name, scan_ignore) == 0) {
 202                                         media_content_sec_debug("Ignore path[%s]", search_path);
 203                                         find = TRUE;
 204                                         break;
 205                                 }
 206                         }
 207                 } else {
 208                         *ignore = TRUE;
 209                         media_content_error("Open Directory fail");
 210                         if (error->code == G_FILE_ERROR_ACCES)
 211                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 212                         else
 213                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 214                 }
 215
 216                 if (dir)
 217                         g_dir_close(dir);
 218
 219                 if (find) {
 220                         *ignore = TRUE;
 221                         break;
 222                 } else {
 223                         /*If root path, Stop Scanning*/
 224                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && g_strcmp0(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 225                                 break;
 226                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 227                                 break;
 228                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) && (STRING_VALID(MEDIA_ROOT_PATH_DISC)) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_DISC) == 0)) {
 229                                 break;
 230                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 231                                 char *parent_folder_path = NULL;
 232                                 bool is_root = FALSE;
 233
 234                                 parent_folder_path = g_path_get_dirname(search_path);
 235                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && STRING_VALID(parent_folder_path) && (g_strcmp0(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 236                                         is_root = TRUE;
 237
 238                                 SAFE_FREE(parent_folder_path);
 239
 240                                 if (is_root == TRUE)
 241                                         break;
 242                         }
 243 #ifdef _USE_SENIOR_MODE
 244                         if (_media_content_is_support_senior_mode()) {
 245                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 246                                         break;
 247                         }
 248 #endif
 249
 250                         leaf_path = strrchr(search_path, '/');
 251                         if (leaf_path != NULL) {
 252                                 int seek_len = leaf_path -search_path;
 253                                 search_path[seek_len] = '\0';
 254                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 255                         } else {
 256                                 media_content_debug("Fail to find leaf path");
 257                                 break;
 258                         }
 259                 }
 260         }
 261
 262         return MEDIA_CONTENT_ERROR_NONE;
 263 }
 264
 265 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition, bool replace)
 266 {
 267         int ret = MEDIA_CONTENT_ERROR_NONE;
 268
 269 #ifdef _USE_TVPD_MODE
 270         snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 271 #else
 272         char old_condition[MAX_QUERY_SIZE] = {0, };
 273         char new_condition[MAX_QUERY_SIZE] = {0, };
 274         char *find = NULL;
 275         unsigned int str_len = 0;
 276
 277         char *find_str = NULL;
 278         char *to_replace_str = NULL;
 279
 280         if (replace == TRUE) {  //change User session path to System session path
 281                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &find_str);
 282                 if (ret != STORAGE_ERROR_NONE) {
 283                         media_content_error("storage_get_directory failed");
 284                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 285                         goto ERROR;
 286                 }
 287
 288                 to_replace_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 289                 if (!STRING_VALID(to_replace_str)) {
 290                         media_content_error("Get TZ_USER_CONTENT failed");
 291                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 292                         goto ERROR;
 293                 }
 294         } else {
 295                 find_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 296                 if (!STRING_VALID(find_str)) {
 297                         media_content_error("Get TZ_USER_CONTENT failed");
 298                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 299                         goto ERROR;
 300                 }
 301
 302                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &to_replace_str);
 303                 if (ret != STORAGE_ERROR_NONE) {
 304                         media_content_error("storage_get_directory failed");
 305                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 306                         goto ERROR;
 307                 }
 308         }
 309
 310         memset(old_condition, 0, sizeof(old_condition));
 311         memset(new_condition, 0, sizeof(new_condition));
 312
 313         media_content_sec_debug("Old condition[%s]", condition);
 314
 315         if (!SAFE_STRLCPY(new_condition, condition, sizeof(new_condition))) {
 316                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 317                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 318                 goto ERROR;
 319         }
 320
 321         if (g_strcmp0(find_str, to_replace_str))
 322                 find = strstr(new_condition, find_str);
 323
 324         while (find != NULL) {
 325                 str_len = find - new_condition;
 326
 327                 memset(old_condition, 0, sizeof(old_condition));
 328                 if (!SAFE_STRLCPY(old_condition, new_condition, sizeof(old_condition))) {
 329                         media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 330                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 331                         goto ERROR;
 332                 }
 333                 memset(new_condition, 0, sizeof(new_condition));
 334
 335                 snprintf(new_condition, str_len + 1, "%s", old_condition);
 336
 337                 SAFE_STRLCAT(new_condition, to_replace_str, sizeof(new_condition));
 338                 SAFE_STRLCAT(new_condition, old_condition + str_len + strlen(find_str), sizeof(new_condition));
 339
 340                 find = strstr(new_condition, find_str);
 341         }
 342
 343         if (!SAFE_STRLCPY(replace_condition, new_condition, MAX_QUERY_SIZE)) {
 344                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 345                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 346                 goto ERROR;
 347         }
 348
 349         media_content_sec_debug("repl cond[%s]", replace_condition);
 350
 351         if (!STRING_VALID(replace_condition)) {
 352                 media_content_error("replace failed");
 353                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 354                 goto ERROR;
 355         }
 356
 357 ERROR:
 358         SAFE_FREE(find_str);
 359         SAFE_FREE(to_replace_str);
 360 #endif
 361
 362         return ret;
 363 }
 364
 365 int _media_content_replace_path(const char *path, char *replace_path)
 366 {
 367 #ifdef _USE_TVPD_MODE
 368         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 369 #else
 370
 371         int ret = MEDIA_CONTENT_ERROR_NONE;
 372         char *old_internal_path =  NULL;
 373
 374         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 375         if (ret != STORAGE_ERROR_NONE) {
 376                 media_content_error("storage_get_directory failed");
 377                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 378         }
 379
 380         if (strncmp(path, old_internal_path, strlen(old_internal_path)) == 0) {
 381                 media_content_sec_debug("Old path[%s]", path);
 382                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", MEDIA_ROOT_PATH_INTERNAL, path + strlen(old_internal_path));
 383         } else {
 384                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 385         }
 386
 387         SAFE_FREE(old_internal_path);
 388 #endif
 389
 390         if (!STRING_VALID(replace_path)) {
 391                 media_content_error("replace failed");
 392                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 393         }
 394
 395         return MEDIA_CONTENT_ERROR_NONE;
 396 }
 397
 398 int _media_content_rollback_path(const char *path, char *replace_path)
 399 {
 400 #ifdef _USE_TVPD_MODE
 401                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 402 #else
 403
 404         int ret = MEDIA_CONTENT_ERROR_NONE;
 405         char *old_internal_path =  NULL;
 406
 407         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 408         if (ret != STORAGE_ERROR_NONE) {
 409                 media_content_error("storage_get_directory failed");
 410                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 411         }
 412
 413         if (strncmp(path, MEDIA_ROOT_PATH_INTERNAL, strlen(MEDIA_ROOT_PATH_INTERNAL)) == 0) {
 414                 media_content_sec_debug("new path[%s]", path);
 415                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", old_internal_path, path + strlen(MEDIA_ROOT_PATH_INTERNAL));
 416         } else {
 417                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 418         }
 419
 420         SAFE_FREE(old_internal_path);
 421 #endif
 422
 423         if (!STRING_VALID(replace_path)) {
 424                 media_content_error("replace failed");
 425                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 426         }
 427
 428         return MEDIA_CONTENT_ERROR_NONE;
 429 }
 430
 431 #ifdef _USE_SENIOR_MODE
 432 bool _media_content_is_support_senior_mode()
 433 {
 434         bool bSupportSeniorMode = false;
 435
 436         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 437                 media_content_debug("Get senior mode support failed");
 438                 return false;
 439         }
 440         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 441         return bSupportSeniorMode;
 442 }
 443 #endif
 444