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 #include <dirent.h>
  18 #include <string.h>
  19 #include <sys/stat.h>
  20 #include <sys/types.h>
  21 #include <fcntl.h>
  22 #include <media_util_private.h>
  23 #include <media_info_private.h>
  24 #include <media_content_type.h>
  25 #include <storage.h>
  26 #ifdef _USE_TV_PROFILE
  27 #include <system_info.h>
  28 #endif
  29
  30 static char *g_old_path = NULL;
  31
  32 int _media_util_check_file_exist(const char *path)
  33 {
  34         int exist;
  35
  36         /* check the file exits actually */
  37         exist = open(path, O_RDONLY);
  38         if (exist < 0) {
  39                 media_content_sec_debug("path [%s]", path);
  40                 media_content_stderror("open file fail");
  41                 if (errno == EACCES || errno == EPERM)
  42                         return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
  43                 else
  44                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  45         }
  46
  47         close(exist);
  48
  49         return MEDIA_CONTENT_ERROR_NONE;
  50 }
  51
  52 int _media_util_check_ignore_file(const char *path, bool *ignore)
  53 {
  54         media_content_retvm_if(!STRING_VALID(path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid path");
  55
  56         *ignore = FALSE;
  57
  58         if (strstr(path, "/.") != NULL) {
  59                 *ignore = TRUE;
  60                 media_content_error("hidden path");
  61                 media_content_sec_debug("path : %s", path);
  62         }
  63
  64         return MEDIA_CONTENT_ERROR_NONE;
  65 }
  66
  67 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
  68 {
  69         int ret = MEDIA_CONTENT_ERROR_NONE;
  70         media_svc_storage_type_e storage_type = 0;
  71         const char *scan_ignore = ".scan_ignore";
  72         bool find = false;
  73
  74         media_content_sec_debug("dir_path : %s", dir_path);
  75
  76         media_content_retvm_if(!STRING_VALID(dir_path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid dir_path");
  77
  78         *ignore = FALSE;
  79         /*1. Check Hidden Directory*/
  80         if (strstr(dir_path, "/.") != NULL) {
  81                 *ignore = TRUE;
  82                 media_content_error("hidden path");
  83                 return MEDIA_CONTENT_ERROR_NONE;
  84         }
  85
  86         /*2. Check Scan Ignore Directory*/
  87         ret = media_svc_get_storage_type(dir_path, &storage_type, tzplatform_getuid(TZ_USER_NAME));
  88         if (ret != MS_MEDIA_ERR_NONE) {
  89                 media_content_error("media_svc_get_storage_type failed : %d", ret);
  90                 return _content_error_capi(MEDIA_CONTENT_TYPE, ret);
  91         }
  92
  93         DIR *dp = NULL;
  94         struct dirent entry;
  95         struct dirent *result = NULL;
  96
  97         char *leaf_path = NULL;
  98         char search_path[MAX_PATH_LEN] = {0, };
  99
 100         strncpy(search_path, dir_path, sizeof(search_path));
 101         while (STRING_VALID(search_path)) {
 102                 dp = opendir(search_path);
 103                 if (dp == NULL) {
 104                         *ignore = TRUE;
 105                         media_content_error("Open Directory fail");
 106                         media_content_sec_debug("Open fail path[%s]", search_path);
 107                         if (errno == EACCES || errno == EPERM)
 108                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 109                         else
 110                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 111                 }
 112
 113                 media_content_retvm_if(dp == NULL, MEDIA_CONTENT_ERROR_INVALID_OPERATION, "Open Directory fail");
 114
 115                 while (!readdir_r(dp, &entry, &result)) {
 116                         if (result == NULL)
 117                                 break;
 118
 119                         if (STRING_VALID(entry.d_name) && (strcmp(entry.d_name, scan_ignore) == 0)) {
 120                                 media_content_error("Find Ignore path");
 121                                 media_content_sec_debug("Ignore path[%s]", search_path);
 122                                 find = TRUE;
 123                                 break;
 124                         } else {
 125                                 /*media_content_sec_debug("entry.d_name[%s]", entry.d_name);*/
 126                                 continue;
 127                         }
 128                 }
 129
 130                 if (dp) closedir(dp);
 131                 dp = NULL;
 132
 133                 if (find) {
 134                         *ignore = TRUE;
 135                         break;
 136                 } else {
 137                         /*If root path, Stop Scanning*/
 138                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && strcmp(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 139                                 break;
 140                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (strcmp(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 141                                 break;
 142                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) && (STRING_VALID(MEDIA_ROOT_PATH_DISC)) && (strcmp(search_path, MEDIA_ROOT_PATH_DISC) == 0)) {
 143                                 break;
 144                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 145                                 char *parent_folder_path = NULL;
 146                                 bool is_root = FALSE;
 147
 148                                 parent_folder_path = g_path_get_dirname(search_path);
 149                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && (strcmp(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 150                                         is_root = TRUE;
 151
 152                                 SAFE_FREE(parent_folder_path);
 153
 154                                 if (is_root == TRUE)
 155                                         break;
 156                         }
 157 #ifdef _USE_SENIOR_MODE
 158                         if (_media_content_is_support_senior_mode()) {
 159                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 160                                         break;
 161                         }
 162 #endif
 163
 164                         leaf_path = strrchr(search_path, '/');
 165                         if (leaf_path != NULL) {
 166                                 int seek_len = leaf_path -search_path;
 167                                 search_path[seek_len] = '\0';
 168                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 169                         } else {
 170                                 media_content_debug("Fail to find leaf path");
 171                                 break;
 172                         }
 173                 }
 174         }
 175
 176         return MEDIA_CONTENT_ERROR_NONE;
 177 }
 178
 179 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition)
 180 {
 181         int ret = MEDIA_CONTENT_ERROR_NONE;
 182
 183         if (!STRING_VALID(g_old_path)) {
 184                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_path);
 185                 if (ret != STORAGE_ERROR_NONE) {
 186                         media_content_error("storage_get_directory failed");
 187                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 188                 }
 189         }
 190
 191         media_content_sec_debug("Old condition[%s]", condition);
 192         if (((strstr(condition, "PATH") != NULL) || (strstr(condition, "path") != NULL)) && (strstr(condition, g_old_path) != NULL)) {
 193                 char *cond = strdup(condition);
 194                 char *repl_cond_ptr = replace_condition;
 195                 char *cond_ptr = cond;
 196
 197                 if (cond_ptr == NULL) {
 198                         media_content_error("memory allocation failed");
 199                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 200                 }
 201                 while (*cond_ptr != '\0') {
 202                         if (strlen(cond_ptr) < strlen(g_old_path)) {
 203                                 memcpy(repl_cond_ptr, cond_ptr, strlen(cond_ptr));
 204                                 break;
 205                         }
 206                         /* replace path only and keep other condition */
 207                         if (memcmp(cond_ptr, g_old_path, strlen(g_old_path)) == 0) {
 208                                 memcpy(repl_cond_ptr, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT)));
 209                                 cond_ptr += strlen(g_old_path);
 210                                 repl_cond_ptr += strlen(tzplatform_getenv(TZ_USER_CONTENT));
 211                         } else {
 212                                 *repl_cond_ptr = *cond_ptr;
 213                                 cond_ptr++;
 214                                 repl_cond_ptr++;
 215                         }
 216                 }
 217                 SAFE_FREE(cond);
 218         } else {
 219                 snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 220         }
 221
 222         if (!STRING_VALID(replace_condition)) {
 223                 media_content_error("replace failed");
 224                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 225         }
 226
 227         media_content_sec_debug("repl cond[%s]", replace_condition);
 228
 229         return MEDIA_CONTENT_ERROR_NONE;
 230 }
 231
 232 int _media_content_rollback_path_in_condition(const char *condition, char *replace_condition)
 233 {
 234         int ret = MEDIA_CONTENT_ERROR_NONE;
 235
 236         if (!STRING_VALID(g_old_path)) {
 237                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_path);
 238                 if (ret != STORAGE_ERROR_NONE) {
 239                         media_content_error("storage_get_directory failed");
 240                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 241                 }
 242         }
 243
 244         media_content_sec_debug("Old condition[%s]", condition);
 245         if (((strstr(condition, "PATH") != NULL) || (strstr(condition, "path") != NULL)) && (strstr(condition, tzplatform_getenv(TZ_USER_CONTENT)) != NULL)) {
 246                 char *cond = strdup(condition);
 247                 char *repl_cond_ptr = replace_condition;
 248                 char *cond_ptr = cond;
 249
 250                 if (cond_ptr == NULL) {
 251                         media_content_error("memory allocation failed");
 252                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 253                 }
 254                 while (*cond_ptr != '\0') {
 255                         if (strlen(cond_ptr) < strlen(tzplatform_getenv(TZ_USER_CONTENT))) {
 256                                 memcpy(repl_cond_ptr, cond_ptr, strlen(cond_ptr));
 257                                 break;
 258                         }
 259                         /* replace path only and keep other condition */
 260                         if (memcmp(cond_ptr, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT))) == 0) {
 261                                 memcpy(repl_cond_ptr, g_old_path, strlen(g_old_path));
 262                                 cond_ptr += strlen(tzplatform_getenv(TZ_USER_CONTENT));
 263                                 repl_cond_ptr += strlen(g_old_path);
 264                         } else {
 265                                 *repl_cond_ptr = *cond_ptr;
 266                                 cond_ptr++;
 267                                 repl_cond_ptr++;
 268                         }
 269                 }
 270                 SAFE_FREE(cond);
 271         } else {
 272                 snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 273         }
 274
 275         if (!STRING_VALID(replace_condition)) {
 276                 media_content_error("replace failed");
 277                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 278         }
 279
 280         media_content_sec_debug("repl cond[%s]", replace_condition);
 281
 282         return MEDIA_CONTENT_ERROR_NONE;
 283 }
 284
 285 int _media_content_replace_path(const char *path, char *replace_path)
 286 {
 287         int ret = MEDIA_CONTENT_ERROR_NONE;
 288
 289 #ifdef _USE_TV_PROFILE
 290         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 291 #else
 292         if (!STRING_VALID(g_old_path)) {
 293                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_path);
 294                 if (ret != STORAGE_ERROR_NONE) {
 295                         media_content_error("storage_get_directory failed");
 296                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 297                 }
 298         }
 299
 300         if (strncmp(path, g_old_path, strlen(g_old_path)) == 0) {
 301                 media_content_sec_debug("Old path[%s]", path);
 302                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", tzplatform_getenv(TZ_USER_CONTENT), path + strlen(g_old_path));
 303         } else {
 304                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 305         }
 306 #endif
 307
 308         if (!STRING_VALID(replace_path)) {
 309                 media_content_error("replace failed");
 310                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 311         }
 312
 313         return MEDIA_CONTENT_ERROR_NONE;
 314 }
 315
 316 int _media_content_rollback_path(const char *path, char *replace_path)
 317 {
 318         int ret = MEDIA_CONTENT_ERROR_NONE;
 319
 320 #ifdef _USE_TV_PROFILE
 321                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 322 #else
 323
 324         if (!STRING_VALID(g_old_path)) {
 325                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &g_old_path);
 326                 if (ret != STORAGE_ERROR_NONE) {
 327                         media_content_error("storage_get_directory failed");
 328                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 329                 }
 330         }
 331
 332         if (strncmp(path, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT))) == 0) {
 333                 media_content_sec_debug("new path[%s]", path);
 334                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", g_old_path, path + strlen(tzplatform_getenv(TZ_USER_CONTENT)));
 335         } else {
 336                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 337         }
 338 #endif
 339
 340         if (!STRING_VALID(replace_path)) {
 341                 media_content_error("replace failed");
 342                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 343         }
 344
 345         return MEDIA_CONTENT_ERROR_NONE;
 346 }
 347
 348 #ifdef _USE_SENIOR_MODE
 349 bool _media_content_is_support_senior_mode()
 350 {
 351         bool bSupportSeniorMode = false;
 352
 353         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 354                 media_content_debug("Get senior mode support failed");
 355                 return false;
 356         }
 357         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 358         return bSupportSeniorMode;
 359 }
 360 #endif
 361