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