1: <?php
  2: 
  3: /**
  4:  * This file contains the CONTENIDO system related functions.
  5:  *
  6:  * @package          Core
  7:  * @subpackage       Backend
  8:  * @version          SVN Revision $Rev:$
  9:  *
 10:  * @author           Unknown
 11:  * @copyright        four for business AG <www.4fb.de>
 12:  * @license          http://www.contenido.org/license/LIZENZ.txt
 13:  * @link             http://www.4fb.de
 14:  * @link             http://www.contenido.org
 15:  */
 16: 
 17: defined('CON_FRAMEWORK') || die('Illegal call: Missing framework initialization - request aborted.');
 18: 
 19: /**
 20:  * Clears CONTENIDO standard errorlog.txt
 21:  *
 22:  * @return string
 23:  *         Message if clearing was successfull or not
 24:  */
 25: function emptyLogFile() {
 26:     global $cfg, $notification, $auth;
 27: 
 28:     if (strpos($auth->auth["perm"], "sysadmin") === false) {
 29:         return $notification->returnNotification("error", i18n("Can't clear error log : Access is denied!"));
 30:     }
 31: 
 32:     $tmp_notification = false;
 33: 
 34:     // clear errorlog.txt
 35:     $filename = $cfg['path']['contenido_logs'] . 'errorlog.txt';
 36: 
 37:     if (cFileHandler::exists($filename) && is_writeable($filename)) {
 38:         cFileHandler::truncate($filename);
 39:         $tmp_notification = $notification->returnNotification("ok", i18n("Error log successfully cleared!"));
 40:     } else if (cFileHandler::exists($filename) && !is_writeable($filename)) {
 41:         $tmp_notification = $notification->returnNotification("error", i18n("Can't clear error log : Access is denied!"));
 42:     }
 43: 
 44:     return $tmp_notification;
 45: }
 46: 
 47: /**
 48:  * Grabs phpinfo() output.
 49:  *
 50:  * @deprecated [2015-05-21]
 51:  *         This method is no longer supported (no replacement)
 52:  * @return string
 53:  *         HTML output of phpinfo()
 54:  */
 55: function phpInfoToHtml() {
 56:     cDeprecated('This method is deprecated and is not needed any longer');
 57: 
 58:     // get output
 59:     ob_start();
 60:     phpinfo();
 61:     $phpInfoToHtml = ob_get_contents();
 62:     ob_end_clean();
 63: 
 64:     return $phpInfoToHtml;
 65: }
 66: 
 67: /**
 68:  * Check if the user has a right for a defined client.
 69:  *
 70:  * @param int $client
 71:  *         client id
 72:  * @return bool
 73:  *         Wether user has access or not
 74:  */
 75: function systemHavePerm($client) {
 76:     global $auth;
 77: 
 78:     if (!isset($auth->perm['perm'])) {
 79:         $auth->perm['perm'] = '';
 80:     }
 81: 
 82:     $userPerm = explode(',', $auth->auth['perm']);
 83: 
 84:     if (in_array('sysadmin', $userPerm)) { // is user sysadmin ?
 85:         return true;
 86:     } elseif (in_array('admin[' . $client . ']', $userPerm)) { // is user admin for this client ?
 87:         return true;
 88:     } elseif (in_array('client[' . $client . ']', $userPerm)) { // has user access to this client ?
 89:         return true;
 90:     }
 91:     return false;
 92: }
 93: 
 94: /**
 95:  * Check for valid ip adress
 96:  *
 97:  * @param string $strHostAdress
 98:  *         IP adress
 99:  * @return bool
100:  *         If string is a valid ip or not
101:  */
102: function isIPv4($strHostAdress) {
103:     // ip pattern needed for validation
104:     $ipPattern = "([0-9]|1?\d\d|2[0-4]\d|25[0-5])";
105:     if (preg_match("/^$ipPattern\.$ipPattern\.$ipPattern\.$ipPattern?$/", $strHostAdress)) { // ip is valid
106:         return true;
107:     }
108:     return false;
109: }
110: 
111: /**
112:  * must be done
113:  *
114:  * @deprecated [2015-05-21]
115:  *         This method is no longer supported (no replacement)
116:  * @param string $strConUrl
117:  *         CONTENIDO fullhtmlPath
118:  * @param string $strBrowserUrl
119:  *         current browser string
120:  * @return string
121:  *         Status of path comparement
122:  */
123: function checkPathInformation($strConUrl, $strBrowserUrl) {
124:     cDeprecated('This method is deprecated and is not needed any longer');
125: 
126:     // parse url
127:     $arrConUrl = parse_url($strConUrl);
128:     $arrBrowserUrl = parse_url($strBrowserUrl);
129: 
130:     if (isIPv4($arrConUrl['host'])) { // is
131:         if (isIPv4($arrBrowserUrl['host'])) { // is
132:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl)) {
133:                 return '1';
134:             }
135: 
136:             return '2';
137:         } else { // isn't
138:             $arrBrowserUrl['host'] = gethostbyname($arrBrowserUrl['host']);
139:             if (!isIPv4($arrBrowserUrl['host'])) {
140:                 return '3';
141:             }
142: 
143:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl)) {
144:                 return '1';
145:             }
146: 
147:             return '2';
148:         }
149:     } else { // isn't
150:         if (isIPv4($arrBrowserUrl['host'])) { //is
151:             $tmpAddr = gethostbyaddr($arrBrowserUrl['host']);
152:             $arrBrowserUrl['host'] = str_replace('-', '.', substr($tmpAddr, 0, strpos($tmpAddr, ".")));
153: 
154:             if (isIPv4($arrBrowserUrl['host'])) {
155:                 return '3';
156:             }
157: 
158:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl, true)) {
159:                 return '1';
160:             }
161: 
162:             return '2';
163:         } else { // isn't
164:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl)) {
165:                 return '1';
166:             }
167: 
168:             return '2';
169:         }
170:     }
171: }
172: 
173: /**
174:  * Check path informations.
175:  *
176:  * Checks two path informations against each other to get potential nonconformities.
177:  *
178:  * @deprecated [2015-05-21]
179:  *         This method is no longer supported (no replacement)
180:  * @param array $arrConUrl
181:  * @param array $arrBrowserUrl
182:  * @param bool $isIP
183:  * @return bool
184:  */
185: function compareUrlStrings($arrConUrl, $arrBrowserUrl, $isIP = false) {
186:     cDeprecated('This method is deprecated and is not needed any longer');
187: 
188:     // && $isIP == false
189:     // remove 'www.' if needed
190:     if (strpos($arrConUrl['host'], 'www.') == 0 || strpos($arrBrowserUrl['host'], 'www.') == 0) {
191:         $arrConUrl['host'] = str_replace('www.', '', $arrConUrl);
192:         $arrBrowserUrl['host'] = str_replace('www.', '', $arrBrowserUrl);
193:     }
194: 
195:     $strConUrl = $arrConUrl['scheme'] . '://' . $arrConUrl['host'] . $arrConUrl['path'];
196:     $strBrowserUrl = $arrBrowserUrl['scheme'] . '://' . $arrBrowserUrl['host'] . $arrBrowserUrl['path'];
197: 
198:     if (strcmp($strConUrl, $strBrowserUrl) != 0) {
199:         return false;
200:     }
201:     return true;
202: }
203: