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:  * @throws cException
 24:  * @throws cInvalidArgumentException
 25:  */
 26: function emptyLogFile() {
 27:     global $cfg, $notification, $auth;
 28: 
 29:     if (cString::findFirstPos($auth->auth["perm"], "sysadmin") === false) {
 30:         return $notification->returnNotification("error", i18n("Can't clear error log : Access is denied!"));
 31:     }
 32: 
 33:     $tmp_notification = false;
 34: 
 35:     // clear errorlog.txt
 36:     $filename = $cfg['path']['contenido_logs'] . 'errorlog.txt';
 37: 
 38:     if (cFileHandler::exists($filename) && is_writeable($filename)) {
 39:         cFileHandler::truncate($filename);
 40:         $tmp_notification = $notification->returnNotification("ok", i18n("Error log successfully cleared!"));
 41:     } else if (cFileHandler::exists($filename) && !is_writeable($filename)) {
 42:         $tmp_notification = $notification->returnNotification("error", i18n("Can't clear error log : Access is denied!"));
 43:     }
 44: 
 45:     return $tmp_notification;
 46: }
 47: 
 48: /**
 49:  * Grabs phpinfo() output.
 50:  *
 51:  * @deprecated [2015-05-21]
 52:  *         This method is no longer supported (no replacement)
 53:  *             
 54:  * @return string
 55:  *         HTML output of phpinfo()
 56:  * 
 57:  * @throws cInvalidArgumentException
 58:  */
 59: function phpInfoToHtml() {
 60:     cDeprecated('This method is deprecated and is not needed any longer');
 61: 
 62:     // get output
 63:     ob_start();
 64:     phpinfo();
 65:     $phpInfoToHtml = ob_get_contents();
 66:     ob_end_clean();
 67: 
 68:     return $phpInfoToHtml;
 69: }
 70: 
 71: /**
 72:  * Check if the user has a right for a defined client.
 73:  *
 74:  * @param int $client
 75:  *         client id
 76:  * @return bool
 77:  *         Wether user has access or not
 78:  */
 79: function systemHavePerm($client) {
 80:     global $auth;
 81: 
 82:     if (!isset($auth->perm['perm'])) {
 83:         $auth->perm['perm'] = '';
 84:     }
 85: 
 86:     $userPerm = explode(',', $auth->auth['perm']);
 87: 
 88:     if (in_array('sysadmin', $userPerm)) { // is user sysadmin ?
 89:         return true;
 90:     } elseif (in_array('admin[' . $client . ']', $userPerm)) { // is user admin for this client ?
 91:         return true;
 92:     } elseif (in_array('client[' . $client . ']', $userPerm)) { // has user access to this client ?
 93:         return true;
 94:     }
 95:     return false;
 96: }
 97: 
 98: /**
 99:  * Check for valid ip adress
100:  *
101:  * @param string $strHostAdress
102:  *         IP adress
103:  * @return bool
104:  *         If string is a valid ip or not
105:  */
106: function isIPv4($strHostAdress) {
107:     // ip pattern needed for validation
108:     $ipPattern = "([0-9]|1?\d\d|2[0-4]\d|25[0-5])";
109:     if (preg_match("/^$ipPattern\.$ipPattern\.$ipPattern\.$ipPattern?$/", $strHostAdress)) { // ip is valid
110:         return true;
111:     }
112:     return false;
113: }
114: 
115: /**
116:  * must be done
117:  *
118:  * @deprecated [2015-05-21]
119:  *         This method is no longer supported (no replacement)
120:  *
121:  * @param string $strConUrl
122:  *         CONTENIDO fullhtmlPath
123:  * @param string $strBrowserUrl
124:  *         current browser string
125:  *
126:  * @return string
127:  *         Status of path comparement
128:  * 
129:  * @throws cInvalidArgumentException
130:  */
131: function checkPathInformation($strConUrl, $strBrowserUrl) {
132:     cDeprecated('This method is deprecated and is not needed any longer');
133: 
134:     // parse url
135:     $arrConUrl = parse_url($strConUrl);
136:     $arrBrowserUrl = parse_url($strBrowserUrl);
137: 
138:     if (isIPv4($arrConUrl['host'])) { // is
139:         if (isIPv4($arrBrowserUrl['host'])) { // is
140:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl)) {
141:                 return '1';
142:             }
143: 
144:             return '2';
145:         } else { // isn't
146:             $arrBrowserUrl['host'] = gethostbyname($arrBrowserUrl['host']);
147:             if (!isIPv4($arrBrowserUrl['host'])) {
148:                 return '3';
149:             }
150: 
151:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl)) {
152:                 return '1';
153:             }
154: 
155:             return '2';
156:         }
157:     } else { // isn't
158:         if (isIPv4($arrBrowserUrl['host'])) { //is
159:             $tmpAddr = gethostbyaddr($arrBrowserUrl['host']);
160:             $arrBrowserUrl['host'] = str_replace('-', '.', cString::getPartOfString($tmpAddr, 0, cString::findFirstPos($tmpAddr, ".")));
161: 
162:             if (isIPv4($arrBrowserUrl['host'])) {
163:                 return '3';
164:             }
165: 
166:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl, true)) {
167:                 return '1';
168:             }
169: 
170:             return '2';
171:         } else { // isn't
172:             if (compareUrlStrings($arrConUrl, $arrBrowserUrl)) {
173:                 return '1';
174:             }
175: 
176:             return '2';
177:         }
178:     }
179: }
180: 
181: /**
182:  * Check path informations.
183:  *
184:  * Checks two path informations against each other to get potential nonconformities.
185:  *
186:  * @deprecated [2015-05-21]
187:  *         This method is no longer supported (no replacement)
188:  *
189:  * @param array $arrConUrl
190:  * @param array $arrBrowserUrl
191:  * @param bool  $isIP
192:  *
193:  * @return bool
194:  * 
195:  * @throws cInvalidArgumentException
196:  */
197: function compareUrlStrings($arrConUrl, $arrBrowserUrl, $isIP = false) {
198:     cDeprecated('This method is deprecated and is not needed any longer');
199: 
200:     // && $isIP == false
201:     // remove 'www.' if needed
202:     if (cString::findFirstPos($arrConUrl['host'], 'www.') == 0 || cString::findFirstPos($arrBrowserUrl['host'], 'www.') == 0) {
203:         $arrConUrl['host'] = str_replace('www.', '', $arrConUrl);
204:         $arrBrowserUrl['host'] = str_replace('www.', '', $arrBrowserUrl);
205:     }
206: 
207:     $strConUrl = $arrConUrl['scheme'] . '://' . $arrConUrl['host'] . $arrConUrl['path'];
208:     $strBrowserUrl = $arrBrowserUrl['scheme'] . '://' . $arrBrowserUrl['host'] . $arrBrowserUrl['path'];
209: 
210:     if (strcmp($strConUrl, $strBrowserUrl) != 0) {
211:         return false;
212:     }
213:     return true;
214: }
215: