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