infoutils.php ➔ check() - Code Metrics - Inspection of "after insert external link, reset to parent namesp..." - splitbrain/dokuwiki - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — linkwizexternallinks ( 297d27...99f0dd )

by Gerrit

created 2016-05-02 20:46 UTC

infoutils.php ➔ check() F

↳ Parent: Project

Complexity

Conditions	37
Paths	> 20000

Size

Total Lines	157
Code Lines	103

Duplication

Lines	0
Ratio	0 %

Metric	Value
cc	37
eloc	103
nc	74649600
nop	0
dl	0
loc	157
rs	2

How to fix Long Method Complexity

<?php
/**
 * Information and debugging functions
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     Andreas Gohr <[email protected]>
 */
if(!defined('DOKU_INC')) die('meh.');
if(!defined('DOKU_MESSAGEURL')) define('DOKU_MESSAGEURL','http://update.dokuwiki.org/check/');

/**
 * Check for new messages from upstream
 *
 * @author Andreas Gohr <[email protected]>
 */
function checkUpdateMessages(){
    global $conf;
    global $INFO;
    global $updateVersion;
    if(!$conf['updatecheck']) return;
    if($conf['useacl'] && !$INFO['ismanager']) return;

    $cf = getCacheName($updateVersion, '.updmsg');
    $lm = @filemtime($cf);

    // check if new messages needs to be fetched
    if($lm < time()-(60*60*24) || $lm < @filemtime(DOKU_INC.DOKU_SCRIPT)){
        @touch($cf);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
        dbglog("checkUpdateMessages(): downloading messages to ".$cf);
        $http = new DokuHTTPClient();
        $http->timeout = 12;

        $resp = $http->get(DOKU_MESSAGEURL.$updateVersion);
        if(is_string($resp) && ($resp == "" || substr(trim($resp), -1) == '%')) {
            // basic sanity check that this is either an empty string response (ie "no messages")
            // or it looks like one of our messages, not WiFi login or other interposed response
            io_saveFile($cf,$resp);
        } else {
            dbglog("checkUpdateMessages(): unexpected HTTP response received");
        }
    }else{
        dbglog("checkUpdateMessages(): messages up to date");
    }

    $data = io_readFile($cf);
    // show messages through the usual message mechanism
    $msgs = explode("\n%\n",$data);
    foreach($msgs as $msg){
        if($msg) msg($msg,2);
    }
}


/**
 * Return DokuWiki's version (split up in date and type)
 *
 * @author Andreas Gohr <[email protected]>
 */
function getVersionData(){
    $version = array();
    //import version string
    if(file_exists(DOKU_INC.'VERSION')){
        //official release
        $version['date'] = trim(io_readfile(DOKU_INC.'VERSION'));
        $version['type'] = 'Release';
    }elseif(is_dir(DOKU_INC.'.git')){
        $version['type'] = 'Git';
        $version['date'] = 'unknown';

        $inventory = DOKU_INC.'.git/logs/HEAD';
        if(is_file($inventory)){
            $sz   = filesize($inventory);
            $seek = max(0,$sz-2000); // read from back of the file
            $fh   = fopen($inventory,'rb');
            fseek($fh,$seek);
            $chunk = fread($fh,2000);
            fclose($fh);
            $chunk = trim($chunk);
            $chunk = @array_pop(explode("\n",$chunk));   //last log line

            $chunk = @array_shift(explode("\t",$chunk)); //strip commit msg

            $chunk = explode(" ",$chunk);
            array_pop($chunk); //strip timezone
            $date = date('Y-m-d',array_pop($chunk));
            if($date) $version['date'] = $date;
        }
    }else{
        global $updateVersion;
        $version['date'] = 'update version '.$updateVersion;
        $version['type'] = 'snapshot?';
    }
    return $version;
}

/**
 * Return DokuWiki's version (as a string)
 *
 * @author Anika Henke <[email protected]>
 */
function getVersion(){
    $version = getVersionData();
    return $version['type'].' '.$version['date'];
}

/**
 * Run a few sanity checks
 *
 * @author Andreas Gohr <[email protected]>
 */
function check(){
    global $conf;
    global $INFO;
    /* @var Input $INPUT */
    global $INPUT;

    if ($INFO['isadmin'] || $INFO['ismanager']){
        msg('DokuWiki version: '.getVersion(),1);

        if(version_compare(phpversion(),'5.3.3','<')){
            msg('Your PHP version is too old ('.phpversion().' vs. 5.3.3+ needed)',-1);
        }else{
            msg('PHP version '.phpversion(),1);
        }
    } else {
        if(version_compare(phpversion(),'5.3.3','<')){
            msg('Your PHP version is too old',-1);
        }
    }

    $mem = (int) php_to_byte(ini_get('memory_limit'));
    if($mem){
        if($mem < 16777216){
            msg('PHP is limited to less than 16MB RAM ('.$mem.' bytes). Increase memory_limit in php.ini',-1);
        }elseif($mem < 20971520){
            msg('PHP is limited to less than 20MB RAM ('.$mem.' bytes), you might encounter problems with bigger pages. Increase memory_limit in php.ini',-1);
        }elseif($mem < 33554432){
            msg('PHP is limited to less than 32MB RAM ('.$mem.' bytes), but that should be enough in most cases. If not, increase memory_limit in php.ini',0);
        }else{
            msg('More than 32MB RAM ('.$mem.' bytes) available.',1);
        }
    }

    if(is_writable($conf['changelog'])){
        msg('Changelog is writable',1);
    }else{
        if (file_exists($conf['changelog'])) {
            msg('Changelog is not writable',-1);
        }
    }

    if (isset($conf['changelog_old']) && file_exists($conf['changelog_old'])) {
        msg('Old changelog exists', 0);
    }

    if (file_exists($conf['changelog'].'_failed')) {
        msg('Importing old changelog failed', -1);
    } else if (file_exists($conf['changelog'].'_importing')) {
        msg('Importing old changelog now.', 0);
    } else if (file_exists($conf['changelog'].'_import_ok')) {
        msg('Old changelog imported', 1);
        if (!plugin_isdisabled('importoldchangelog')) {
            msg('Importoldchangelog plugin not disabled after import', -1);
        }
    }

    if(is_writable(DOKU_CONF)){
        msg('conf directory is writable',1);
    }else{
        msg('conf directory is not writable',-1);
    }

    if($conf['authtype'] == 'plain'){
        global $config_cascade;
        if(is_writable($config_cascade['plainauth.users']['default'])){
            msg('conf/users.auth.php is writable',1);
        }else{
            msg('conf/users.auth.php is not writable',0);
        }
    }

    if(function_exists('mb_strpos')){
        if(defined('UTF8_NOMBSTRING')){
            msg('mb_string extension is available but will not be used',0);
        }else{
            msg('mb_string extension is available and will be used',1);
            if(ini_get('mbstring.func_overload') != 0){
                msg('mb_string function overloading is enabled, this will cause problems and should be disabled',-1);
            }
        }
    }else{
        msg('mb_string extension not available - PHP only replacements will be used',0);
    }

    if (!UTF8_PREGSUPPORT) {
        msg('PHP is missing UTF-8 support in Perl-Compatible Regular Expressions (PCRE)', -1);
    }
    if (!UTF8_PROPERTYSUPPORT) {
        msg('PHP is missing Unicode properties support in Perl-Compatible Regular Expressions (PCRE)', -1);
    }

    $loc = setlocale(LC_ALL, 0);
    if(!$loc){
        msg('No valid locale is set for your PHP setup. You should fix this',-1);
    }elseif(stripos($loc,'utf') === false){
        msg('Your locale <code>'.hsc($loc).'</code> seems not to be a UTF-8 locale, you should fix this if you encounter problems.',0);
    }else{
        msg('Valid locale '.hsc($loc).' found.', 1);
    }

    if($conf['allowdebug']){
        msg('Debugging support is enabled. If you don\'t need it you should set $conf[\'allowdebug\'] = 0',-1);
    }else{
        msg('Debugging support is disabled',1);
    }

    if($INFO['userinfo']['name']){
        msg('You are currently logged in as '.$INPUT->server->str('REMOTE_USER').' ('.$INFO['userinfo']['name'].')',0);
        msg('You are part of the groups '.join($INFO['userinfo']['grps'],', '),0);
    }else{
        msg('You are currently not logged in',0);
    }

    msg('Your current permission for this page is '.$INFO['perm'],0);

    if(is_writable($INFO['filepath'])){
        msg('The current page is writable by the webserver',0);
    }else{
        msg('The current page is not writable by the webserver',0);
    }

    if($INFO['writable']){
        msg('The current page is writable by you',0);
    }else{
        msg('The current page is not writable by you',0);
    }

    // Check for corrupted search index
    $lengths = idx_listIndexLengths();
    $index_corrupted = false;
    foreach ($lengths as $length) {
        if (count(idx_getIndex('w', $length)) != count(idx_getIndex('i', $length))) {
            $index_corrupted = true;
            break;
        }
    }

    foreach (idx_getIndex('metadata', '') as $index) {
        if (count(idx_getIndex($index.'_w', '')) != count(idx_getIndex($index.'_i', ''))) {
            $index_corrupted = true;
            break;
        }
    }

    if ($index_corrupted)
        msg('The search index is corrupted. It might produce wrong results and most
                probably needs to be rebuilt. See
                <a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
                for ways to rebuild the search index.', -1);
    elseif (!empty($lengths))
        msg('The search index seems to be working', 1);
    else
        msg('The search index is empty. See
                <a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
                for help on how to fix the search index. If the default indexer
                isn\'t used or the wiki is actually empty this is normal.');
}

/**
 * print a message
 *
 * If HTTP headers were not sent yet the message is added
 * to the global message array else it's printed directly
 * using html_msgarea()
 *
 *
 * Levels can be:
 *
 * -1 error
 *  0 info
 *  1 success
 *
 * @author Andreas Gohr <[email protected]>
 * @see    html_msgarea
 */

define('MSG_PUBLIC', 0);
define('MSG_USERS_ONLY', 1);
define('MSG_MANAGERS_ONLY',2);
define('MSG_ADMINS_ONLY',4);

/**
 * Display a message to the user
 *
 * @param string $message
 * @param int    $lvl   -1 = error, 0 = info, 1 = success, 2 = notify
 * @param string $line  line number
 * @param string $file  file number
 * @param int    $allow who's allowed to see the message, see MSG_* constants
 */
function msg($message,$lvl=0,$line='',$file='',$allow=MSG_PUBLIC){
    global $MSG, $MSG_shown;
    $errors = array();
    $errors[-1] = 'error';
    $errors[0]  = 'info';
    $errors[1]  = 'success';
    $errors[2]  = 'notify';

    if($line || $file) $message.=' ['.utf8_basename($file).':'.$line.']';

    if(!isset($MSG)) $MSG = array();
    $MSG[]=array('lvl' => $errors[$lvl], 'msg' => $message, 'allow' => $allow);
    if(isset($MSG_shown) || headers_sent()){
        if(function_exists('html_msgarea')){
            html_msgarea();
        }else{
            print "ERROR($lvl) $message";
        }
        unset($GLOBALS['MSG']);
    }
}
/**
 * Determine whether the current user is allowed to view the message
 * in the $msg data structure
 *
 * @param  $msg   array    dokuwiki msg structure
 *                         msg   => string, the message
 *                         lvl   => int, level of the message (see msg() function)
 *                         allow => int, flag used to determine who is allowed to see the message
 *                                       see MSG_* constants
 * @return bool
 */
function info_msg_allowed($msg){
    global $INFO, $auth;

    // is the message public? - everyone and anyone can see it
    if (empty($msg['allow']) || ($msg['allow'] == MSG_PUBLIC)) return true;

    // restricted msg, but no authentication
    if (empty($auth)) return false;

    switch ($msg['allow']){
        case MSG_USERS_ONLY:
            return !empty($INFO['userinfo']);

        case MSG_MANAGERS_ONLY:
            return $INFO['ismanager'];

        case MSG_ADMINS_ONLY:
            return $INFO['isadmin'];

        default:
            trigger_error('invalid msg allow restriction.  msg="'.$msg['msg'].'" allow='.$msg['allow'].'"', E_USER_WARNING);
            return $INFO['isadmin'];
    }

    return false;
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
}

/**
 * print debug messages
 *
 * little function to print the content of a var
 *
 * @author Andreas Gohr <[email protected]>
 */
function dbg($msg,$hidden=false){
    if($hidden){
        echo "<!--\n";
        print_r($msg);
        echo "\n-->";
    }else{
        echo '<pre class="dbg">';
        echo hsc(print_r($msg,true));
        echo '</pre>';
    }
}

/**
 * Print info to a log file
 *
 * @author Andreas Gohr <[email protected]>
 */
function dbglog($msg,$header=''){
    global $conf;
    /* @var Input $INPUT */
    global $INPUT;

    // The debug log isn't automatically cleaned thus only write it when
    // debugging has been enabled by the user.
    if($conf['allowdebug'] !== 1) return;
    if(is_object($msg) || is_array($msg)){
        $msg = print_r($msg,true);
    }

    if($header) $msg = "$header\n$msg";

    $file = $conf['cachedir'].'/debug.log';
    $fh = fopen($file,'a');
    if($fh){
        fwrite($fh,date('H:i:s ').$INPUT->server->str('REMOTE_ADDR').': '.$msg."\n");
        fclose($fh);
    }
}

/**
 * Log accesses to deprecated fucntions to the debug log
 *
 * @param string $alternative The function or method that should be used instead
 */
function dbg_deprecated($alternative = '') {
    global $conf;
    if(!$conf['allowdebug']) return;

    $backtrace = debug_backtrace();
    array_shift($backtrace);
    $self = array_shift($backtrace);
    $call = array_shift($backtrace);

    $called = trim($self['class'].'::'.$self['function'].'()', ':');
    $caller = trim($call['class'].'::'.$call['function'].'()', ':');

    $msg = $called.' is deprecated. It was called from ';
    $msg .= $caller.' in '.$call['file'].':'.$call['line'];
    if($alternative) {
        $msg .= ' '.$alternative.' should be used instead!';
    }

    dbglog($msg);
}

/**
 * Print a reversed, prettyprinted backtrace
 *
 * @author Gary Owen <[email protected]>
 */
function dbg_backtrace(){
    // Get backtrace
    $backtrace = debug_backtrace();

    // Unset call to debug_print_backtrace
    array_shift($backtrace);

    // Iterate backtrace
    $calls = array();
    $depth = count($backtrace) - 1;
    foreach ($backtrace as $i => $call) {
        $location = $call['file'] . ':' . $call['line'];
        $function = (isset($call['class'])) ?
            $call['class'] . $call['type'] . $call['function'] : $call['function'];

        $params = array();
        if (isset($call['args'])){
            foreach($call['args'] as $arg){
                if(is_object($arg)){
                    $params[] = '[Object '.get_class($arg).']';
                }elseif(is_array($arg)){
                    $params[] = '[Array]';
                }elseif(is_null($arg)){
                    $params[] = '[NULL]';
                }else{
                    $params[] = (string) '"'.$arg.'"';
                }
            }
        }
        $params = implode(', ',$params);

        $calls[$depth - $i] = sprintf('%s(%s) called at %s',
                $function,
                str_replace("\n", '\n', $params),
                $location);
    }
    ksort($calls);

    return implode("\n", $calls);
}

/**
 * Remove all data from an array where the key seems to point to sensitive data
 *
 * This is used to remove passwords, mail addresses and similar data from the
 * debug output
 *
 * @author Andreas Gohr <[email protected]>
 */
function debug_guard(&$data){
    foreach($data as $key => $value){
        if(preg_match('/(notify|pass|auth|secret|ftp|userinfo|token|buid|mail|proxy)/i',$key)){
            $data[$key] = '***';
            continue;
        }
        if(is_array($value)) debug_guard($data[$key]);
    }
}


1			<?php
2			/**
3			* Information and debugging functions
4			*
5			* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
6			* @author Andreas Gohr <[email protected]>
7			*/
8			if(!defined('DOKU_INC')) die('meh.');
9			if(!defined('DOKU_MESSAGEURL')) define('DOKU_MESSAGEURL','http://update.dokuwiki.org/check/');
10
11			/**
12			* Check for new messages from upstream
13			*
14			* @author Andreas Gohr <[email protected]>
15			*/
16			function checkUpdateMessages(){
17			global $conf;
18			global $INFO;
19			global $updateVersion;
20			if(!$conf['updatecheck']) return;
21			if($conf['useacl'] && !$INFO['ismanager']) return;
22
23			$cf = getCacheName($updateVersion, '.updmsg');
24			$lm = @filemtime($cf);
25
26			// check if new messages needs to be fetched
27			if($lm < time()-(606024) \|\| $lm < @filemtime(DOKU_INC.DOKU_SCRIPT)){
28			@touch($cf);
			1 ignored issue – show Security Best Practice introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
29			dbglog("checkUpdateMessages(): downloading messages to ".$cf);
30			$http = new DokuHTTPClient();
31			$http->timeout = 12;
			0 ignored issues – show Bug introduced 2015-12-04 08:27 UTC by Report Bug Copy Issue Report The property `timeout` cannot be accessed from this context as it is declared `private` in class `HTTPClient`. This check looks for access to properties that are not accessible from the current context. If you need to make a property accessible to another context you can either raise its visibility level or provide an accessible getter in the defining class. Loading history...
32			$resp = $http->get(DOKU_MESSAGEURL.$updateVersion);
33			if(is_string($resp) && ($resp == "" \|\| substr(trim($resp), -1) == '%')) {
34			// basic sanity check that this is either an empty string response (ie "no messages")
35			// or it looks like one of our messages, not WiFi login or other interposed response
36			io_saveFile($cf,$resp);
37			} else {
38			dbglog("checkUpdateMessages(): unexpected HTTP response received");
39			}
40			}else{
41			dbglog("checkUpdateMessages(): messages up to date");
42			}
43
44			$data = io_readFile($cf);
45			// show messages through the usual message mechanism
46			$msgs = explode("\n%\n",$data);
47			foreach($msgs as $msg){
48			if($msg) msg($msg,2);
49			}
50			}
51
52
53			/**
54			* Return DokuWiki's version (split up in date and type)
55			*
56			* @author Andreas Gohr <[email protected]>
57			*/
58			function getVersionData(){
59			$version = array();
60			//import version string
61			if(file_exists(DOKU_INC.'VERSION')){
62			//official release
63			$version['date'] = trim(io_readfile(DOKU_INC.'VERSION'));
64			$version['type'] = 'Release';
65			}elseif(is_dir(DOKU_INC.'.git')){
66			$version['type'] = 'Git';
67			$version['date'] = 'unknown';
68
69			$inventory = DOKU_INC.'.git/logs/HEAD';
70			if(is_file($inventory)){
71			$sz = filesize($inventory);
72			$seek = max(0,$sz-2000); // read from back of the file
73			$fh = fopen($inventory,'rb');
74			fseek($fh,$seek);
75			$chunk = fread($fh,2000);
76			fclose($fh);
77			$chunk = trim($chunk);
78			$chunk = @array_pop(explode("\n",$chunk)); //last log line
			0 ignored issues – show Bug introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report `explode(' ', $chunk)` cannot be passed to `array_pop()` as the parameter `$array` expects a reference. Loading history...
79			$chunk = @array_shift(explode("\t",$chunk)); //strip commit msg
			0 ignored issues – show Bug introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report `explode(' ', $chunk)` cannot be passed to `array_shift()` as the parameter `$array` expects a reference. Loading history...
80			$chunk = explode(" ",$chunk);
81			array_pop($chunk); //strip timezone
82			$date = date('Y-m-d',array_pop($chunk));
83			if($date) $version['date'] = $date;
84			}
85			}else{
86			global $updateVersion;
87			$version['date'] = 'update version '.$updateVersion;
88			$version['type'] = 'snapshot?';
89			}
90			return $version;
91			}
92
93			/**
94			* Return DokuWiki's version (as a string)
95			*
96			* @author Anika Henke <[email protected]>
97			*/
98			function getVersion(){
99			$version = getVersionData();
100			return $version['type'].' '.$version['date'];
101			}
102
103			/**
104			* Run a few sanity checks
105			*
106			* @author Andreas Gohr <[email protected]>
107			*/
108			function check(){
109			global $conf;
110			global $INFO;
111			/* @var Input $INPUT */
112			global $INPUT;
113
114			if ($INFO['isadmin'] \|\| $INFO['ismanager']){
115			msg('DokuWiki version: '.getVersion(),1);
116
117			if(version_compare(phpversion(),'5.3.3','<')){
118			msg('Your PHP version is too old ('.phpversion().' vs. 5.3.3+ needed)',-1);
119			}else{
120			msg('PHP version '.phpversion(),1);
121			}
122			} else {
123			if(version_compare(phpversion(),'5.3.3','<')){
124			msg('Your PHP version is too old',-1);
125			}
126			}
127
128			$mem = (int) php_to_byte(ini_get('memory_limit'));
129			if($mem){
130			if($mem < 16777216){
131			msg('PHP is limited to less than 16MB RAM ('.$mem.' bytes). Increase memory_limit in php.ini',-1);
132			}elseif($mem < 20971520){
133			msg('PHP is limited to less than 20MB RAM ('.$mem.' bytes), you might encounter problems with bigger pages. Increase memory_limit in php.ini',-1);
134			}elseif($mem < 33554432){
135			msg('PHP is limited to less than 32MB RAM ('.$mem.' bytes), but that should be enough in most cases. If not, increase memory_limit in php.ini',0);
136			}else{
137			msg('More than 32MB RAM ('.$mem.' bytes) available.',1);
138			}
139			}
140
141			if(is_writable($conf['changelog'])){
142			msg('Changelog is writable',1);
143			}else{
144			if (file_exists($conf['changelog'])) {
145			msg('Changelog is not writable',-1);
146			}
147			}
148
149			if (isset($conf['changelog_old']) && file_exists($conf['changelog_old'])) {
150			msg('Old changelog exists', 0);
151			}
152
153			if (file_exists($conf['changelog'].'_failed')) {
154			msg('Importing old changelog failed', -1);
155			} else if (file_exists($conf['changelog'].'_importing')) {
156			msg('Importing old changelog now.', 0);
157			} else if (file_exists($conf['changelog'].'_import_ok')) {
158			msg('Old changelog imported', 1);
159			if (!plugin_isdisabled('importoldchangelog')) {
160			msg('Importoldchangelog plugin not disabled after import', -1);
161			}
162			}
163
164			if(is_writable(DOKU_CONF)){
165			msg('conf directory is writable',1);
166			}else{
167			msg('conf directory is not writable',-1);
168			}
169
170			if($conf['authtype'] == 'plain'){
171			global $config_cascade;
172			if(is_writable($config_cascade['plainauth.users']['default'])){
173			msg('conf/users.auth.php is writable',1);
174			}else{
175			msg('conf/users.auth.php is not writable',0);
176			}
177			}
178
179			if(function_exists('mb_strpos')){
180			if(defined('UTF8_NOMBSTRING')){
181			msg('mb_string extension is available but will not be used',0);
182			}else{
183			msg('mb_string extension is available and will be used',1);
184			if(ini_get('mbstring.func_overload') != 0){
185			msg('mb_string function overloading is enabled, this will cause problems and should be disabled',-1);
186			}
187			}
188			}else{
189			msg('mb_string extension not available - PHP only replacements will be used',0);
190			}
191
192			if (!UTF8_PREGSUPPORT) {
193			msg('PHP is missing UTF-8 support in Perl-Compatible Regular Expressions (PCRE)', -1);
194			}
195			if (!UTF8_PROPERTYSUPPORT) {
196			msg('PHP is missing Unicode properties support in Perl-Compatible Regular Expressions (PCRE)', -1);
197			}
198
199			$loc = setlocale(LC_ALL, 0);
200			if(!$loc){
201			msg('No valid locale is set for your PHP setup. You should fix this',-1);
202			}elseif(stripos($loc,'utf') === false){
203			msg('Your locale <code>'.hsc($loc).'</code> seems not to be a UTF-8 locale, you should fix this if you encounter problems.',0);
204			}else{
205			msg('Valid locale '.hsc($loc).' found.', 1);
206			}
207
208			if($conf['allowdebug']){
209			msg('Debugging support is enabled. If you don\'t need it you should set $conf[\'allowdebug\'] = 0',-1);
210			}else{
211			msg('Debugging support is disabled',1);
212			}
213
214			if($INFO['userinfo']['name']){
215			msg('You are currently logged in as '.$INPUT->server->str('REMOTE_USER').' ('.$INFO['userinfo']['name'].')',0);
216			msg('You are part of the groups '.join($INFO['userinfo']['grps'],', '),0);
217			}else{
218			msg('You are currently not logged in',0);
219			}
220
221			msg('Your current permission for this page is '.$INFO['perm'],0);
222
223			if(is_writable($INFO['filepath'])){
224			msg('The current page is writable by the webserver',0);
225			}else{
226			msg('The current page is not writable by the webserver',0);
227			}
228
229			if($INFO['writable']){
230			msg('The current page is writable by you',0);
231			}else{
232			msg('The current page is not writable by you',0);
233			}
234
235			// Check for corrupted search index
236			$lengths = idx_listIndexLengths();
237			$index_corrupted = false;
238			foreach ($lengths as $length) {
239			if (count(idx_getIndex('w', $length)) != count(idx_getIndex('i', $length))) {
240			$index_corrupted = true;
241			break;
242			}
243			}
244
245			foreach (idx_getIndex('metadata', '') as $index) {
246			if (count(idx_getIndex($index.'_w', '')) != count(idx_getIndex($index.'_i', ''))) {
247			$index_corrupted = true;
248			break;
249			}
250			}
251
252			if ($index_corrupted)
253			msg('The search index is corrupted. It might produce wrong results and most
254			probably needs to be rebuilt. See
255			<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
256			for ways to rebuild the search index.', -1);
257			elseif (!empty($lengths))
258			msg('The search index seems to be working', 1);
259			else
260			msg('The search index is empty. See
261			<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
262			for help on how to fix the search index. If the default indexer
263			isn\'t used or the wiki is actually empty this is normal.');
264			}
265
266			/**
267			* print a message
268			*
269			* If HTTP headers were not sent yet the message is added
270			* to the global message array else it's printed directly
271			* using html_msgarea()
272			*
273			*
274			* Levels can be:
275			*
276			* -1 error
277			* 0 info
278			* 1 success
279			*
280			* @author Andreas Gohr <[email protected]>
281			* @see html_msgarea
282			*/
283
284			define('MSG_PUBLIC', 0);
285			define('MSG_USERS_ONLY', 1);
286			define('MSG_MANAGERS_ONLY',2);
287			define('MSG_ADMINS_ONLY',4);
288
289			/**
290			* Display a message to the user
291			*
292			* @param string $message
293			* @param int $lvl -1 = error, 0 = info, 1 = success, 2 = notify
294			* @param string $line line number
295			* @param string $file file number
296			* @param int $allow who's allowed to see the message, see MSG_* constants
297			*/
298			function msg($message,$lvl=0,$line='',$file='',$allow=MSG_PUBLIC){
299			global $MSG, $MSG_shown;
300			$errors = array();
301			$errors[-1] = 'error';
302			$errors[0] = 'info';
303			$errors[1] = 'success';
304			$errors[2] = 'notify';
305
306			if($line \|\| $file) $message.=' ['.utf8_basename($file).':'.$line.']';
307
308			if(!isset($MSG)) $MSG = array();
309			$MSG[]=array('lvl' => $errors[$lvl], 'msg' => $message, 'allow' => $allow);
310			if(isset($MSG_shown) \|\| headers_sent()){
311			if(function_exists('html_msgarea')){
312			html_msgarea();
313			}else{
314			print "ERROR($lvl) $message";
315			}
316			unset($GLOBALS['MSG']);
317			}
318			}
319			/**
320			* Determine whether the current user is allowed to view the message
321			* in the $msg data structure
322			*
323			* @param $msg array dokuwiki msg structure
324			* msg => string, the message
325			* lvl => int, level of the message (see msg() function)
326			* allow => int, flag used to determine who is allowed to see the message
327			* see MSG_* constants
328			* @return bool
329			*/
330			function info_msg_allowed($msg){
331			global $INFO, $auth;
332
333			// is the message public? - everyone and anyone can see it
334			if (empty($msg['allow']) \|\| ($msg['allow'] == MSG_PUBLIC)) return true;
335
336			// restricted msg, but no authentication
337			if (empty($auth)) return false;
338
339			switch ($msg['allow']){
340			case MSG_USERS_ONLY:
341			return !empty($INFO['userinfo']);
342
343			case MSG_MANAGERS_ONLY:
344			return $INFO['ismanager'];
345
346			case MSG_ADMINS_ONLY:
347			return $INFO['isadmin'];
348
349			default:
350			trigger_error('invalid msg allow restriction. msg="'.$msg['msg'].'" allow='.$msg['allow'].'"', E_USER_WARNING);
351			return $INFO['isadmin'];
352			}
353
354			return false;
			0 ignored issues – show Unused Code introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report `return false;` does not seem to be reachable. This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed. Unreachable code is most often the result of `return`, `die` or `exit` statements that have been added for debug purposes. function fx() { try { doSomething(); return true; } catch (\Exception $e) { return false; } return false; } In the above example, the last `return false` will never be executed, because a return statement has already been met in every possible execution path. Loading history...
355			}
356
357			/**
358			* print debug messages
359			*
360			* little function to print the content of a var
361			*
362			* @author Andreas Gohr <[email protected]>
363			*/
364			function dbg($msg,$hidden=false){
365			if($hidden){
366			echo "<!--\n";
367			print_r($msg);
368			echo "\n-->";
369			}else{
370			echo '<pre class="dbg">';
371			echo hsc(print_r($msg,true));
372			echo '</pre>';
373			}
374			}
375
376			/**
377			* Print info to a log file
378			*
379			* @author Andreas Gohr <[email protected]>
380			*/
381			function dbglog($msg,$header=''){
382			global $conf;
383			/* @var Input $INPUT */
384			global $INPUT;
385
386			// The debug log isn't automatically cleaned thus only write it when
387			// debugging has been enabled by the user.
388			if($conf['allowdebug'] !== 1) return;
389			if(is_object($msg) \|\| is_array($msg)){
390			$msg = print_r($msg,true);
391			}
392
393			if($header) $msg = "$header\n$msg";
394
395			$file = $conf['cachedir'].'/debug.log';
396			$fh = fopen($file,'a');
397			if($fh){
398			fwrite($fh,date('H:i:s ').$INPUT->server->str('REMOTE_ADDR').': '.$msg."\n");
399			fclose($fh);
400			}
401			}
402
403			/**
404			* Log accesses to deprecated fucntions to the debug log
405			*
406			* @param string $alternative The function or method that should be used instead
407			*/
408			function dbg_deprecated($alternative = '') {
409			global $conf;
410			if(!$conf['allowdebug']) return;
411
412			$backtrace = debug_backtrace();
413			array_shift($backtrace);
414			$self = array_shift($backtrace);
415			$call = array_shift($backtrace);
416
417			$called = trim($self['class'].'::'.$self['function'].'()', ':');
418			$caller = trim($call['class'].'::'.$call['function'].'()', ':');
419
420			$msg = $called.' is deprecated. It was called from ';
421			$msg .= $caller.' in '.$call['file'].':'.$call['line'];
422			if($alternative) {
423			$msg .= ' '.$alternative.' should be used instead!';
424			}
425
426			dbglog($msg);
427			}
428
429			/**
430			* Print a reversed, prettyprinted backtrace
431			*
432			* @author Gary Owen <[email protected]>
433			*/
434			function dbg_backtrace(){
435			// Get backtrace
436			$backtrace = debug_backtrace();
437
438			// Unset call to debug_print_backtrace
439			array_shift($backtrace);
440
441			// Iterate backtrace
442			$calls = array();
443			$depth = count($backtrace) - 1;
444			foreach ($backtrace as $i => $call) {
445			$location = $call['file'] . ':' . $call['line'];
446			$function = (isset($call['class'])) ?
447			$call['class'] . $call['type'] . $call['function'] : $call['function'];
448
449			$params = array();
450			if (isset($call['args'])){
451			foreach($call['args'] as $arg){
452			if(is_object($arg)){
453			$params[] = '[Object '.get_class($arg).']';
454			}elseif(is_array($arg)){
455			$params[] = '[Array]';
456			}elseif(is_null($arg)){
457			$params[] = '[NULL]';
458			}else{
459			$params[] = (string) '"'.$arg.'"';
460			}
461			}
462			}
463			$params = implode(', ',$params);
464
465			$calls[$depth - $i] = sprintf('%s(%s) called at %s',
466			$function,
467			str_replace("\n", '\n', $params),
468			$location);
469			}
470			ksort($calls);
471
472			return implode("\n", $calls);
473			}
474
475			/**
476			* Remove all data from an array where the key seems to point to sensitive data
477			*
478			* This is used to remove passwords, mail addresses and similar data from the
479			* debug output
480			*
481			* @author Andreas Gohr <[email protected]>
482			*/
483			function debug_guard(&$data){
484			foreach($data as $key => $value){
485			if(preg_match('/(notify\|pass\|auth\|secret\|ftp\|userinfo\|token\|buid\|mail\|proxy)/i',$key)){
486			$data[$key] = '***';
487			continue;
488			}
489			if(is_array($value)) debug_guard($data[$key]);
490			}
491			}
492

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