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 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[4096] = {0, };
  97
  98         strncpy(search_path, dir_path, strlen(dir_path));
  99         while (STRING_VALID(search_path)) {
 100                 dp = opendir(search_path);
 101                 if (dp == NULL) {
 102                         *ignore = TRUE;
 103                         media_content_error("Open Directory fail");
 104                         media_content_sec_debug("Open fail path[%s]", search_path);
 105                         if (errno == EACCES || errno == EPERM)
 106                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 107                         else
 108                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 109                 }
 110
 111                 media_content_retvm_if(dp == NULL, MEDIA_CONTENT_ERROR_INVALID_OPERATION, "Open Directory fail");
 112
 113                 while (!readdir_r(dp, &entry, &result)) {
 114                         if (result == NULL)
 115                                 break;
 116
 117                         if (STRING_VALID(entry.d_name) && (strcmp(entry.d_name, scan_ignore) == 0)) {
 118                                 media_content_error("Find Ignore path");
 119                                 media_content_sec_debug("Ignore path[%s]", search_path);
 120                                 find = TRUE;
 121                                 break;
 122                         } else {
 123                                 /*media_content_sec_debug("entry.d_name[%s]", entry.d_name);*/
 124                                 continue;
 125                         }
 126                 }
 127
 128                 if (dp) closedir(dp);
 129                 dp = NULL;
 130
 131                 if (find) {
 132                         *ignore = TRUE;
 133                         break;
 134                 } else {
 135                         /*If root path, Stop Scanning*/
 136                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && strcmp(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 137                                 break;
 138                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (strcmp(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 139                                 break;
 140                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 141                                 char *parent_folder_path = NULL;
 142                                 bool is_root = FALSE;
 143
 144                                 parent_folder_path = g_path_get_dirname(search_path);
 145                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && (strcmp(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 146                                         is_root = TRUE;
 147
 148                                 SAFE_FREE(parent_folder_path);
 149
 150                                 if (is_root == TRUE)
 151                                         break;
 152                         }
 153 #ifdef _USE_SENIOR_MODE
 154                         if (_media_content_is_support_senior_mode()) {
 155                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 156                                         break;
 157                         }
 158 #endif
 159
 160                         leaf_path = strrchr(search_path, '/');
 161                         if (leaf_path != NULL) {
 162                                 int seek_len = leaf_path -search_path;
 163                                 search_path[seek_len] = '\0';
 164                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 165                         } else {
 166                                 media_content_debug("Fail to find leaf path");
 167                                 break;
 168                         }
 169                 }
 170         }
 171
 172         return MEDIA_CONTENT_ERROR_NONE;
 173 }
 174
 175 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition)
 176 {
 177         int ret = MEDIA_CONTENT_ERROR_NONE;
 178         char *old_path = NULL;
 179
 180         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_path);
 181         if (ret != STORAGE_ERROR_NONE) {
 182                 media_content_error("storage_get_directory failed");
 183                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 184         }
 185
 186         media_content_sec_debug("Old condition[%s]", condition);
 187         if (((strstr(condition, "PATH") != NULL) || (strstr(condition, "path") != NULL)) && (strstr(condition, old_path) != NULL)) {
 188                 char *cond = strdup(condition);
 189                 char *repl_cond_ptr = replace_condition;
 190                 char *cond_ptr = cond;
 191
 192                 if (cond_ptr == NULL) {
 193                         SAFE_FREE(old_path);
 194                         media_content_error("memory allocation failed");
 195                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 196                 }
 197                 while (*cond_ptr != '\0') {
 198                         if (strlen(cond_ptr) < strlen(old_path)) {
 199                                 memcpy(repl_cond_ptr, cond_ptr, strlen(cond_ptr));
 200                                 break;
 201                         }
 202                         /* replace path only and keep other condition */
 203                         if (memcmp(cond_ptr, old_path, strlen(old_path)) == 0) {
 204                                 memcpy(repl_cond_ptr, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT)));
 205                                 cond_ptr += strlen(old_path);
 206                                 repl_cond_ptr += strlen(tzplatform_getenv(TZ_USER_CONTENT));
 207                         } else {
 208                                 *repl_cond_ptr = *cond_ptr;
 209                                 cond_ptr++;
 210                                 repl_cond_ptr++;
 211                         }
 212                 }
 213                 SAFE_FREE(cond);
 214         } else {
 215                 snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 216         }
 217
 218         SAFE_FREE(old_path);
 219
 220         if (!STRING_VALID(replace_condition)) {
 221                 media_content_error("replace failed");
 222                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 223         }
 224
 225         media_content_sec_debug("repl cond[%s]", replace_condition);
 226
 227         return MEDIA_CONTENT_ERROR_NONE;
 228 }
 229
 230 int _media_content_rollback_path_in_condition(const char *condition, char *replace_condition)
 231 {
 232         int ret = MEDIA_CONTENT_ERROR_NONE;
 233         char *old_path = NULL;
 234
 235         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_path);
 236         if (ret != STORAGE_ERROR_NONE) {
 237                 media_content_error("storage_get_directory failed");
 238                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 239         }
 240
 241         media_content_sec_debug("Old condition[%s]", condition);
 242         if (((strstr(condition, "PATH") != NULL) || (strstr(condition, "path") != NULL)) && (strstr(condition, tzplatform_getenv(TZ_USER_CONTENT)) != NULL)) {
 243                 char *cond = strdup(condition);
 244                 char *repl_cond_ptr = replace_condition;
 245                 char *cond_ptr = cond;
 246
 247                 if (cond_ptr == NULL) {
 248                         SAFE_FREE(old_path);
 249                         media_content_error("memory allocation failed");
 250                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 251                 }
 252                 while (*cond_ptr != '\0') {
 253                         if (strlen(cond_ptr) < strlen(tzplatform_getenv(TZ_USER_CONTENT))) {
 254                                 memcpy(repl_cond_ptr, cond_ptr, strlen(cond_ptr));
 255                                 break;
 256                         }
 257                         /* replace path only and keep other condition */
 258                         if (memcmp(cond_ptr, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT))) == 0) {
 259                                 memcpy(repl_cond_ptr, old_path, strlen(old_path));
 260                                 cond_ptr += strlen(tzplatform_getenv(TZ_USER_CONTENT));
 261                                 repl_cond_ptr += strlen(old_path);
 262                         } else {
 263                                 *repl_cond_ptr = *cond_ptr;
 264                                 cond_ptr++;
 265                                 repl_cond_ptr++;
 266                         }
 267                 }
 268                 SAFE_FREE(cond);
 269         } else {
 270                 snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 271         }
 272
 273         SAFE_FREE(old_path);
 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         char *old_path = NULL;
 289
 290         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &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         if (strncmp(path, old_path, strlen(old_path)) == 0) {
 297                 media_content_sec_debug("Old path[%s]", path);
 298                 snprintf(replace_path, MAX_QUERY_SIZE, "%s%s", tzplatform_getenv(TZ_USER_CONTENT), path + strlen(old_path));
 299         } else {
 300                 snprintf(replace_path, MAX_QUERY_SIZE, "%s", path);
 301         }
 302
 303         SAFE_FREE(old_path);
 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         int ret = MEDIA_CONTENT_ERROR_NONE;
 316         char *old_path = NULL;
 317
 318         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_path);
 319         if (ret != STORAGE_ERROR_NONE) {
 320                 media_content_error("storage_get_directory failed");
 321                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 322         }
 323
 324         if (strncmp(path, tzplatform_getenv(TZ_USER_CONTENT), strlen(tzplatform_getenv(TZ_USER_CONTENT))) == 0) {
 325                 media_content_sec_debug("new path[%s]", path);
 326                 snprintf(replace_path, MAX_QUERY_SIZE, "%s%s", old_path, path + strlen(tzplatform_getenv(TZ_USER_CONTENT)));
 327         } else {
 328                 snprintf(replace_path, MAX_QUERY_SIZE, "%s", path);
 329         }
 330
 331         SAFE_FREE(old_path);
 332
 333         if (!STRING_VALID(replace_path)) {
 334                 media_content_error("replace failed");
 335                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 336         }
 337
 338         return MEDIA_CONTENT_ERROR_NONE;
 339 }
 340
 341 #ifdef _USE_SENIOR_MODE
 342 bool _media_content_is_support_senior_mode()
 343 {
 344         bool bSupportSeniorMode = false;
 345
 346         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 347                 media_content_debug("Get senior mode support failed");
 348                 return false;
 349         }
 350         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 351         return bSupportSeniorMode;
 352 }
 353 #endif
 354