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 #ifdef _USE_SENIOR_MODE
  23 #include <system_info.h>
  24 #include <media_util_private.h>
  25 #endif
  26
  27 int _media_util_check_file_exist(const char *path)
  28 {
  29         int exist;
  30
  31         /* check the file exits actually */
  32         exist = open(path, O_RDONLY);
  33         if (exist < 0) {
  34                 media_content_sec_debug("path [%s]", path);
  35                 media_content_stderror("open file fail");
  36                 if (errno == EACCES || errno == EPERM)
  37                         return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
  38                 else
  39                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  40         }
  41
  42         close(exist);
  43
  44         return MEDIA_CONTENT_ERROR_NONE;
  45 }
  46
  47 int _media_util_check_ignore_file(const char *path, bool *ignore)
  48 {
  49         media_content_retvm_if(!STRING_VALID(path), MEDIA_CONTENT_ERROR_INVALID_PARAMETER, "invalid path");
  50
  51         *ignore = FALSE;
  52
  53         if (strstr(path, "/.") != NULL) {
  54                 *ignore = TRUE;
  55                 media_content_error("hidden path");
  56                 media_content_sec_debug("path : %s", path);
  57         }
  58
  59         return MEDIA_CONTENT_ERROR_NONE;
  60 }
  61
  62 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
  63 {
  64         int ret = MEDIA_CONTENT_ERROR_NONE;
  65         media_svc_storage_type_e storage_type = 0;
  66         const char *scan_ignore = ".scan_ignore";
  67         bool find = false;
  68         GDir *dir = NULL;
  69         GError *error = NULL;
  70         const char *name;
  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, _content_get_uid());
  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         char *leaf_path = NULL;
  92         char search_path[MAX_PATH_LEN] = {0, };
  93
  94         memset(search_path, 0, sizeof(search_path));
  95         if (!SAFE_STRLCPY(search_path, dir_path, sizeof(search_path))) {
  96                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
  97                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
  98         }
  99
 100         while (STRING_VALID(search_path)) {
 101                 dir = g_dir_open(search_path, 0, &error);
 102                 if (dir != NULL && error == NULL) {
 103                         while ((name = g_dir_read_name(dir))) {
 104                                 if (g_strcmp0(name, scan_ignore) == 0) {
 105                                         media_content_sec_debug("Ignore path[%s]", search_path);
 106                                         find = TRUE;
 107                                         break;
 108                                 }
 109                         }
 110                 } else {
 111                         *ignore = TRUE;
 112                         media_content_error("Open Directory fail");
 113                         if (error->code == G_FILE_ERROR_ACCES)
 114                                 return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
 115                         else
 116                                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
 117                 }
 118
 119                 if (dir)
 120                         g_dir_close(dir);
 121
 122                 if (find) {
 123                         *ignore = TRUE;
 124                         break;
 125                 } else {
 126                         /*If root path, Stop Scanning*/
 127                         if ((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_INTERNAL) && g_strcmp0(search_path, MEDIA_ROOT_PATH_INTERNAL) == 0)) {
 128                                 break;
 129                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (STRING_VALID(MEDIA_ROOT_PATH_SDCARD)) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_SDCARD) == 0)) {
 130                                 break;
 131                         } else if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) && (STRING_VALID(MEDIA_ROOT_PATH_DISC)) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_DISC) == 0)) {
 132                                 break;
 133                         } else if (storage_type == MEDIA_SVC_STORAGE_EXTERNAL_USB) {
 134                                 char *parent_folder_path = NULL;
 135                                 bool is_root = FALSE;
 136
 137                                 parent_folder_path = g_path_get_dirname(search_path);
 138                                 if (STRING_VALID(MEDIA_ROOT_PATH_USB) && STRING_VALID(parent_folder_path) && (g_strcmp0(parent_folder_path, MEDIA_ROOT_PATH_USB) == 0))
 139                                         is_root = TRUE;
 140
 141                                 SAFE_FREE(parent_folder_path);
 142
 143                                 if (is_root == TRUE)
 144                                         break;
 145                         }
 146 #ifdef _USE_SENIOR_MODE
 147                         if (_media_content_is_support_senior_mode()) {
 148                                 if ((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (g_strcmp0(search_path, MEDIA_ROOT_PATH_SENIOR_MODE) == 0))
 149                                         break;
 150                         }
 151 #endif
 152
 153                         leaf_path = strrchr(search_path, '/');
 154                         if (leaf_path != NULL) {
 155                                 int seek_len = leaf_path -search_path;
 156                                 search_path[seek_len] = '\0';
 157                                 /*media_content_sec_debug("go to other dir [%s]", search_path);*/
 158                         } else {
 159                                 media_content_debug("Fail to find leaf path");
 160                                 break;
 161                         }
 162                 }
 163         }
 164
 165         return MEDIA_CONTENT_ERROR_NONE;
 166 }
 167
 168 int _media_content_replace_path_in_condition(const char *condition, char *replace_condition, bool replace)
 169 {
 170         int ret = MEDIA_CONTENT_ERROR_NONE;
 171
 172 #ifdef _USE_TVPD_MODE
 173         snprintf(replace_condition, MAX_QUERY_SIZE, "%s", condition);
 174 #else
 175         char old_condition[MAX_QUERY_SIZE] = {0, };
 176         char new_condition[MAX_QUERY_SIZE] = {0, };
 177         char *find = NULL;
 178         unsigned int str_len = 0;
 179
 180         char *find_str = NULL;
 181         char *to_replace_str = NULL;
 182
 183         if (replace == TRUE) {  //change User session path to System session path
 184                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &find_str);
 185                 if (ret != STORAGE_ERROR_NONE) {
 186                         media_content_error("storage_get_directory failed");
 187                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 188                         goto ERROR;
 189                 }
 190
 191                 to_replace_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 192                 if (!STRING_VALID(to_replace_str)) {
 193                         media_content_error("Get TZ_USER_CONTENT failed");
 194                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 195                         goto ERROR;
 196                 }
 197         } else {
 198                 find_str = g_strdup(MEDIA_ROOT_PATH_INTERNAL);
 199                 if (!STRING_VALID(find_str)) {
 200                         media_content_error("Get TZ_USER_CONTENT failed");
 201                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 202                         goto ERROR;
 203                 }
 204
 205                 ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &to_replace_str);
 206                 if (ret != STORAGE_ERROR_NONE) {
 207                         media_content_error("storage_get_directory failed");
 208                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 209                         goto ERROR;
 210                 }
 211         }
 212
 213         memset(old_condition, 0, sizeof(old_condition));
 214         memset(new_condition, 0, sizeof(new_condition));
 215
 216         media_content_sec_debug("Old condition[%s]", condition);
 217
 218         if (!SAFE_STRLCPY(new_condition, condition, sizeof(new_condition))) {
 219                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 220                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 221                 goto ERROR;
 222         }
 223
 224         if (g_strcmp0(find_str, to_replace_str))
 225                 find = strstr(new_condition, find_str);
 226
 227         while (find != NULL) {
 228                 str_len = find - new_condition;
 229
 230                 memset(old_condition, 0, sizeof(old_condition));
 231                 if (!SAFE_STRLCPY(old_condition, new_condition, sizeof(old_condition))) {
 232                         media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 233                         ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 234                         goto ERROR;
 235                 }
 236                 memset(new_condition, 0, sizeof(new_condition));
 237
 238                 snprintf(new_condition, str_len + 1, "%s", old_condition);
 239
 240                 SAFE_STRLCAT(new_condition, to_replace_str, sizeof(new_condition));
 241                 SAFE_STRLCAT(new_condition, old_condition + str_len + strlen(find_str), sizeof(new_condition));
 242
 243                 find = strstr(new_condition, find_str);
 244         }
 245
 246         if (!SAFE_STRLCPY(replace_condition, new_condition, MAX_QUERY_SIZE)) {
 247                 media_content_error("MEDIA_CONTENT_ERROR_INVALID_OPERATION(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_OPERATION);
 248                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 249                 goto ERROR;
 250         }
 251
 252         media_content_sec_debug("repl cond[%s]", replace_condition);
 253
 254         if (!STRING_VALID(replace_condition)) {
 255                 media_content_error("replace failed");
 256                 ret = MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 257                 goto ERROR;
 258         }
 259
 260 ERROR:
 261         SAFE_FREE(find_str);
 262         SAFE_FREE(to_replace_str);
 263 #endif
 264
 265         return ret;
 266 }
 267
 268 int _media_content_replace_path(const char *path, char *replace_path)
 269 {
 270 #ifdef _USE_TVPD_MODE
 271         snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 272 #else
 273
 274         int ret = MEDIA_CONTENT_ERROR_NONE;
 275         char *old_internal_path =  NULL;
 276
 277         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 278         if (ret != STORAGE_ERROR_NONE) {
 279                 media_content_error("storage_get_directory failed");
 280                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 281         }
 282
 283         if (strncmp(path, old_internal_path, strlen(old_internal_path)) == 0) {
 284                 media_content_sec_debug("Old path[%s]", path);
 285                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", MEDIA_ROOT_PATH_INTERNAL, path + strlen(old_internal_path));
 286         } else {
 287                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 288         }
 289
 290         SAFE_FREE(old_internal_path);
 291 #endif
 292
 293         if (!STRING_VALID(replace_path)) {
 294                 media_content_error("replace failed");
 295                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 296         }
 297
 298         return MEDIA_CONTENT_ERROR_NONE;
 299 }
 300
 301 int _media_content_rollback_path(const char *path, char *replace_path)
 302 {
 303 #ifdef _USE_TVPD_MODE
 304                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 305 #else
 306
 307         int ret = MEDIA_CONTENT_ERROR_NONE;
 308         char *old_internal_path =  NULL;
 309
 310         ret = storage_get_root_directory(STORAGE_TYPE_INTERNAL, &old_internal_path);
 311         if (ret != STORAGE_ERROR_NONE) {
 312                 media_content_error("storage_get_directory failed");
 313                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 314         }
 315
 316         if (strncmp(path, MEDIA_ROOT_PATH_INTERNAL, strlen(MEDIA_ROOT_PATH_INTERNAL)) == 0) {
 317                 media_content_sec_debug("new path[%s]", path);
 318                 snprintf(replace_path, MAX_PATH_LEN, "%s%s", old_internal_path, path + strlen(MEDIA_ROOT_PATH_INTERNAL));
 319         } else {
 320                 snprintf(replace_path, MAX_PATH_LEN, "%s", path);
 321         }
 322
 323         SAFE_FREE(old_internal_path);
 324 #endif
 325
 326         if (!STRING_VALID(replace_path)) {
 327                 media_content_error("replace failed");
 328                 return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
 329         }
 330
 331         return MEDIA_CONTENT_ERROR_NONE;
 332 }
 333
 334 #ifdef _USE_SENIOR_MODE
 335 bool _media_content_is_support_senior_mode()
 336 {
 337         bool bSupportSeniorMode = false;
 338
 339         if (system_info_get_value_bool(SYSTEM_INFO_KEY_GET_SENIOR_MODE_SUPPORTED, &bSupportSeniorMode) != SYSTEM_INFO_ERROR_NONE) {
 340                 media_content_debug("Get senior mode support failed");
 341                 return false;
 342         }
 343         /* media_content_debug("Senior mode Support : [%d]", bSupportSeniorMode); */
 344         return bSupportSeniorMode;
 345 }
 346 #endif
 347