confutils.php ➔ jsonToArray() - Code Metrics - Inspection of "Merge pull request #2241 from splitbrain/manifest" - splitbrain/dokuwiki - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( b4384f...430a27 )

by Michael

created 2018-04-05 07:51 UTC

confutils.php ➔ jsonToArray() A

↳ Parent: Project

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	6
nc	2
nop	1
dl	0
loc	12
rs	9.4285
c	0
b	0
f	0

<?php
/**
 * Utilities for collecting data from config files
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     Harry Fuecks <[email protected]>
 */

/*
 * line prefix used to negate single value config items
 * (scheme.conf & stopwords.conf), e.g.
 * !gopher
 */
const DOKU_CONF_NEGATION = '!';

/**
 * Returns the (known) extension and mimetype of a given filename
 *
 * If $knownonly is true (the default), then only known extensions
 * are returned.
 *
 * @author Andreas Gohr <[email protected]>
 *
 * @param string $file file name
 * @param bool   $knownonly
 * @return array with extension, mimetype and if it should be downloaded
 */
function mimetype($file, $knownonly=true){
    $mtypes = getMimeTypes();     // known mimetypes
    $ext    = strrpos($file, '.');
    if ($ext === false) {
        return array(false, false, false);
    }
    $ext = strtolower(substr($file, $ext + 1));
    if (!isset($mtypes[$ext])){
        if ($knownonly) {
            return array(false, false, false);
        } else {
            return array($ext, 'application/octet-stream', true);
        }
    }
    if($mtypes[$ext][0] == '!'){
        return array($ext, substr($mtypes[$ext],1), true);
    }else{
        return array($ext, $mtypes[$ext], false);
    }
}

/**
 * returns a hash of mimetypes
 *
 * @author Andreas Gohr <[email protected]>
 */
function getMimeTypes() {
    static $mime = null;
    if ( !$mime ) {
        $mime = retrieveConfig('mime','confToHash');
        $mime = array_filter($mime);
    }
    return $mime;
}

/**
 * returns a hash of acronyms
 *
 * @author Harry Fuecks <[email protected]>
 */
function getAcronyms() {
    static $acronyms = null;
    if ( !$acronyms ) {
        $acronyms = retrieveConfig('acronyms','confToHash');
        $acronyms = array_filter($acronyms, 'strlen');
    }
    return $acronyms;
}

/**
 * returns a hash of smileys
 *
 * @author Harry Fuecks <[email protected]>
 */
function getSmileys() {
    static $smileys = null;
    if ( !$smileys ) {
        $smileys = retrieveConfig('smileys','confToHash');
        $smileys = array_filter($smileys, 'strlen');
    }
    return $smileys;
}

/**
 * returns a hash of entities
 *
 * @author Harry Fuecks <[email protected]>
 */
function getEntities() {
    static $entities = null;
    if ( !$entities ) {
        $entities = retrieveConfig('entities','confToHash');
        $entities = array_filter($entities, 'strlen');
    }
    return $entities;
}

/**
 * returns a hash of interwikilinks
 *
 * @author Harry Fuecks <[email protected]>
 */
function getInterwiki() {
    static $wikis = null;
    if ( !$wikis ) {
        $wikis = retrieveConfig('interwiki','confToHash',array(true));
        $wikis = array_filter($wikis, 'strlen');

        //add sepecial case 'this'
        $wikis['this'] = DOKU_URL.'{NAME}';
    }
    return $wikis;
}

/**
 * Returns the jquery script URLs for the versions defined in lib/scripts/jquery/versions
 *
 * @trigger CONFUTIL_CDN_SELECT
 * @return array
 */
function getCdnUrls() {
    global $conf;

    // load version info
    $versions = array();
    $lines = file(DOKU_INC . 'lib/scripts/jquery/versions');
    foreach($lines as $line) {
        $line = trim(preg_replace('/#.*$/', '', $line));
        if($line === '') continue;
        list($key, $val) = explode('=', $line, 2);
        $key = trim($key);
        $val = trim($val);
        $versions[$key] = $val;
    }

    $src = array();
    $data = array(
        'versions' => $versions,
        'src' => &$src
    );
    $event = new Doku_Event('CONFUTIL_CDN_SELECT', $data);
    if($event->advise_before()) {
        if(!$conf['jquerycdn']) {
            $jqmod = md5(join('-', $versions));
            $src[] = DOKU_BASE . 'lib/exe/jquery.php' . '?tseed=' . $jqmod;
        } elseif($conf['jquerycdn'] == 'jquery') {
            $src[] = sprintf('https://code.jquery.com/jquery-%s.min.js', $versions['JQ_VERSION']);
            $src[] = sprintf('https://code.jquery.com/jquery-migrate-%s.min.js', $versions['JQM_VERSION']);
            $src[] = sprintf('https://code.jquery.com/ui/%s/jquery-ui.min.js', $versions['JQUI_VERSION']);
        } elseif($conf['jquerycdn'] == 'cdnjs') {
            $src[] = sprintf('https://cdnjs.cloudflare.com/ajax/libs/jquery/%s/jquery.min.js', $versions['JQ_VERSION']);
            $src[] = sprintf('https://cdnjs.cloudflare.com/ajax/libs/jquery-migrate/%s/jquery-migrate.min.js', $versions['JQM_VERSION']);
            $src[] = sprintf('https://cdnjs.cloudflare.com/ajax/libs/jqueryui/%s/jquery-ui.min.js', $versions['JQUI_VERSION']);
        }
    }
    $event->advise_after();

    return $src;
}

/**
 * returns array of wordblock patterns
 *
 */
function getWordblocks() {
    static $wordblocks = null;
    if ( !$wordblocks ) {
        $wordblocks = retrieveConfig('wordblock','file',null,'array_merge_with_removal');
    }
    return $wordblocks;
}

/**
 * Gets the list of configured schemes
 *
 * @return array the schemes
 */
function getSchemes() {
    static $schemes = null;
    if ( !$schemes ) {
        $schemes = retrieveConfig('scheme','file',null,'array_merge_with_removal');
        $schemes = array_map('trim', $schemes);
        $schemes = preg_replace('/^#.*/', '', $schemes);
        $schemes = array_filter($schemes);
    }
    return $schemes;
}

/**
 * Builds a hash from an array of lines
 *
 * If $lower is set to true all hash keys are converted to
 * lower case.
 *
 * @author Harry Fuecks <[email protected]>
 * @author Andreas Gohr <[email protected]>
 * @author Gina Haeussge <[email protected]>
 *
 * @param array $lines
 * @param bool $lower
 *
 * @return array
 */
function linesToHash($lines, $lower = false) {
    $conf = array();
    // remove BOM
    if(isset($lines[0]) && substr($lines[0], 0, 3) == pack('CCC', 0xef, 0xbb, 0xbf))
        $lines[0] = substr($lines[0], 3);
    foreach($lines as $line) {
        //ignore comments (except escaped ones)
        $line = preg_replace('/(?<![&\\\\])#.*$/', '', $line);
        $line = str_replace('\\#', '#', $line);
        $line = trim($line);
        if($line === '') continue;
        $line = preg_split('/\s+/', $line, 2);
        $line = array_pad($line, 2, '');
        // Build the associative array
        if($lower) {
            $conf[strtolower($line[0])] = $line[1];
        } else {
            $conf[$line[0]] = $line[1];
        }
    }

    return $conf;
}

/**
 * Builds a hash from a configfile
 *
 * If $lower is set to true all hash keys are converted to
 * lower case.
 *
 * @author Harry Fuecks <[email protected]>
 * @author Andreas Gohr <[email protected]>
 * @author Gina Haeussge <[email protected]>
 *
 * @param string $file
 * @param bool $lower
 *
 * @return array
 */
function confToHash($file,$lower=false) {
    $conf = array();
    $lines = @file( $file );
    if ( !$lines ) return $conf;

    return linesToHash($lines, $lower);
}

/**
 * Read a json config file into an array
 *
 * @param string $file
 * @return array
 */
function jsonToArray($file)
{
    $json = file_get_contents($file);

    $conf = json_decode($json, true);

    if ($conf === null) {
        return [];
    }

    return $conf;
}

/**
 * Retrieve the requested configuration information
 *
 * @author Chris Smith <[email protected]>
 *
 * @param  string   $type     the configuration settings to be read, must correspond to a key/array in $config_cascade
 * @param  callback $fn       the function used to process the configuration file into an array
 * @param  array    $params   optional additional params to pass to the callback
 * @param  callback $combine  the function used to combine arrays of values read from different configuration files;
 *                            the function takes two parameters,
 *                               $combined - the already read & merged configuration values
 *                               $new - array of config values from the config cascade file being currently processed
 *                            and returns an array of the merged configuration values.
 * @return array    configuration values
 */
function retrieveConfig($type,$fn,$params=null,$combine='array_merge') {
    global $config_cascade;

    if(!is_array($params)) $params = array();

    $combined = array();
    if (!is_array($config_cascade[$type])) trigger_error('Missing config cascade for "'.$type.'"',E_USER_WARNING);
    foreach (array('default','local','protected') as $config_group) {
        if (empty($config_cascade[$type][$config_group])) continue;
        foreach ($config_cascade[$type][$config_group] as $file) {
            if (file_exists($file)) {
                $config = call_user_func_array($fn,array_merge(array($file),$params));
                $combined = $combine($combined, $config);
            }
        }
    }

    return $combined;
}

/**
 * Include the requested configuration information
 *
 * @author Chris Smith <[email protected]>
 *
 * @param  string   $type     the configuration settings to be read, must correspond to a key/array in $config_cascade
 * @return array              list of files, default before local before protected
 */
function getConfigFiles($type) {
    global $config_cascade;
    $files = array();

    if (!is_array($config_cascade[$type])) trigger_error('Missing config cascade for "'.$type.'"',E_USER_WARNING);
    foreach (array('default','local','protected') as $config_group) {
        if (empty($config_cascade[$type][$config_group])) continue;
        $files = array_merge($files, $config_cascade[$type][$config_group]);
    }

    return $files;
}

/**
 * check if the given action was disabled in config
 *
 * @author Andreas Gohr <[email protected]>
 * @param string $action
 * @returns boolean true if enabled, false if disabled
 */
function actionOK($action){
    static $disabled = null;
    if(is_null($disabled) || defined('SIMPLE_TEST')){
        global $conf;
        /** @var DokuWiki_Auth_Plugin $auth */
        global $auth;

        // prepare disabled actions array and handle legacy options
        $disabled = explode(',',$conf['disableactions']);
        $disabled = array_map('trim',$disabled);
        if((isset($conf['openregister']) && !$conf['openregister']) || is_null($auth) || !$auth->canDo('addUser')) {
            $disabled[] = 'register';
        }
        if((isset($conf['resendpasswd']) && !$conf['resendpasswd']) || is_null($auth) || !$auth->canDo('modPass')) {
            $disabled[] = 'resendpwd';
        }
        if((isset($conf['subscribers']) && !$conf['subscribers']) || is_null($auth)) {
            $disabled[] = 'subscribe';
        }
        if (is_null($auth) || !$auth->canDo('Profile')) {
            $disabled[] = 'profile';
        }
        if (is_null($auth) || !$auth->canDo('delUser')) {
            $disabled[] = 'profile_delete';
        }
        if (is_null($auth)) {
            $disabled[] = 'login';
        }
        if (is_null($auth) || !$auth->canDo('logout')) {
            $disabled[] = 'logout';
        }
        $disabled = array_unique($disabled);
    }

    return !in_array($action,$disabled);
}

/**
 * check if headings should be used as link text for the specified link type
 *
 * @author Chris Smith <[email protected]>
 *
 * @param   string  $linktype   'content'|'navigation', content applies to links in wiki text
 *                                                      navigation applies to all other links
 * @return  boolean             true if headings should be used for $linktype, false otherwise
 */
function useHeading($linktype) {
    static $useHeading = null;
    if(defined('DOKU_UNITTEST')) $useHeading = null; // don't cache during unit tests

    if (is_null($useHeading)) {
        global $conf;

        if (!empty($conf['useheading'])) {
            switch ($conf['useheading']) {
                case 'content':
                    $useHeading['content'] = true;
                    break;

                case 'navigation':
                    $useHeading['navigation'] = true;
                    break;
                default:
                    $useHeading['content'] = true;
                    $useHeading['navigation'] = true;
            }
        } else {
            $useHeading = array();
        }
    }

    return (!empty($useHeading[$linktype]));
}

/**
 * obscure config data so information isn't plain text
 *
 * @param string       $str     data to be encoded
 * @param string       $code    encoding method, values: plain, base64, uuencode.
 * @return string               the encoded value
 */
function conf_encodeString($str,$code) {
    switch ($code) {
        case 'base64'   : return '<b>'.base64_encode($str);
        case 'uuencode' : return '<u>'.convert_uuencode($str);
        case 'plain':
        default:
                          return $str;
    }
}
/**
 * return obscured data as plain text
 *
 * @param  string      $str   encoded data
 * @return string             plain text
 */
function conf_decodeString($str) {
    switch (substr($str,0,3)) {
        case '<b>' : return base64_decode(substr($str,3));
        case '<u>' : return convert_uudecode(substr($str,3));
        default:  // not encoded (or unknown)
                     return $str;
    }
}

/**
 * array combination function to remove negated values (prefixed by !)
 *
 * @param  array $current
 * @param  array $new
 *
 * @return array the combined array, numeric keys reset
 */
function array_merge_with_removal($current, $new) {
    foreach ($new as $val) {
        if (substr($val,0,1) == DOKU_CONF_NEGATION) {
            $idx = array_search(trim(substr($val,1)),$current);
            if ($idx !== false) {
                unset($current[$idx]);
            }
        } else {
            $current[] = trim($val);
        }
    }

    return array_slice($current,0);
}
//Setup VIM: ex: et ts=4 :


1			<?php
2			/**
3			* Utilities for collecting data from config files
4			*
5			* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
6			* @author Harry Fuecks <[email protected]>
7			*/
8
9			/*
10			* line prefix used to negate single value config items
11			* (scheme.conf & stopwords.conf), e.g.
12			* !gopher
13			*/
14			const DOKU_CONF_NEGATION = '!';
15
16			/**
17			* Returns the (known) extension and mimetype of a given filename
18			*
19			* If $knownonly is true (the default), then only known extensions
20			* are returned.
21			*
22			* @author Andreas Gohr <[email protected]>
23			*
24			* @param string $file file name
25			* @param bool $knownonly
26			* @return array with extension, mimetype and if it should be downloaded
27			*/
28			function mimetype($file, $knownonly=true){
29			$mtypes = getMimeTypes(); // known mimetypes
30			$ext = strrpos($file, '.');
31			if ($ext === false) {
32			return array(false, false, false);
33			}
34			$ext = strtolower(substr($file, $ext + 1));
35			if (!isset($mtypes[$ext])){
36			if ($knownonly) {
37			return array(false, false, false);
38			} else {
39			return array($ext, 'application/octet-stream', true);
40			}
41			}
42			if($mtypes[$ext][0] == '!'){
43			return array($ext, substr($mtypes[$ext],1), true);
44			}else{
45			return array($ext, $mtypes[$ext], false);
46			}
47			}
48
49			/**
50			* returns a hash of mimetypes
51			*
52			* @author Andreas Gohr <[email protected]>
53			*/
54			function getMimeTypes() {
55			static $mime = null;
56			if ( !$mime ) {
57			$mime = retrieveConfig('mime','confToHash');
58			$mime = array_filter($mime);
59			}
60			return $mime;
61			}
62
63			/**
64			* returns a hash of acronyms
65			*
66			* @author Harry Fuecks <[email protected]>
67			*/
68			function getAcronyms() {
69			static $acronyms = null;
70			if ( !$acronyms ) {
71			$acronyms = retrieveConfig('acronyms','confToHash');
72			$acronyms = array_filter($acronyms, 'strlen');
73			}
74			return $acronyms;
75			}
76
77			/**
78			* returns a hash of smileys
79			*
80			* @author Harry Fuecks <[email protected]>
81			*/
82			function getSmileys() {
83			static $smileys = null;
84			if ( !$smileys ) {
85			$smileys = retrieveConfig('smileys','confToHash');
86			$smileys = array_filter($smileys, 'strlen');
87			}
88			return $smileys;
89			}
90
91			/**
92			* returns a hash of entities
93			*
94			* @author Harry Fuecks <[email protected]>
95			*/
96			function getEntities() {
97			static $entities = null;
98			if ( !$entities ) {
99			$entities = retrieveConfig('entities','confToHash');
100			$entities = array_filter($entities, 'strlen');
101			}
102			return $entities;
103			}
104
105			/**
106			* returns a hash of interwikilinks
107			*
108			* @author Harry Fuecks <[email protected]>
109			*/
110			function getInterwiki() {
111			static $wikis = null;
112			if ( !$wikis ) {
113			$wikis = retrieveConfig('interwiki','confToHash',array(true));
114			$wikis = array_filter($wikis, 'strlen');
115
116			//add sepecial case 'this'
117			$wikis['this'] = DOKU_URL.'{NAME}';
118			}
119			return $wikis;
120			}
121
122			/**
123			* Returns the jquery script URLs for the versions defined in lib/scripts/jquery/versions
124			*
125			* @trigger CONFUTIL_CDN_SELECT
126			* @return array
127			*/
128			function getCdnUrls() {
129			global $conf;
130
131			// load version info
132			$versions = array();
133			$lines = file(DOKU_INC . 'lib/scripts/jquery/versions');
134			foreach($lines as $line) {
135			$line = trim(preg_replace('/#.*$/', '', $line));
136			if($line === '') continue;
137			list($key, $val) = explode('=', $line, 2);
138			$key = trim($key);
139			$val = trim($val);
140			$versions[$key] = $val;
141			}
142
143			$src = array();
144			$data = array(
145			'versions' => $versions,
146			'src' => &$src
147			);
148			$event = new Doku_Event('CONFUTIL_CDN_SELECT', $data);
149			if($event->advise_before()) {
150			if(!$conf['jquerycdn']) {
151			$jqmod = md5(join('-', $versions));
152			$src[] = DOKU_BASE . 'lib/exe/jquery.php' . '?tseed=' . $jqmod;
153			} elseif($conf['jquerycdn'] == 'jquery') {
154			$src[] = sprintf('https://code.jquery.com/jquery-%s.min.js', $versions['JQ_VERSION']);
155			$src[] = sprintf('https://code.jquery.com/jquery-migrate-%s.min.js', $versions['JQM_VERSION']);
156			$src[] = sprintf('https://code.jquery.com/ui/%s/jquery-ui.min.js', $versions['JQUI_VERSION']);
157			} elseif($conf['jquerycdn'] == 'cdnjs') {
158			$src[] = sprintf('https://cdnjs.cloudflare.com/ajax/libs/jquery/%s/jquery.min.js', $versions['JQ_VERSION']);
159			$src[] = sprintf('https://cdnjs.cloudflare.com/ajax/libs/jquery-migrate/%s/jquery-migrate.min.js', $versions['JQM_VERSION']);
160			$src[] = sprintf('https://cdnjs.cloudflare.com/ajax/libs/jqueryui/%s/jquery-ui.min.js', $versions['JQUI_VERSION']);
161			}
162			}
163			$event->advise_after();
164
165			return $src;
166			}
167
168			/**
169			* returns array of wordblock patterns
170			*
171			*/
172			function getWordblocks() {
173			static $wordblocks = null;
174			if ( !$wordblocks ) {
175			$wordblocks = retrieveConfig('wordblock','file',null,'array_merge_with_removal');
176			}
177			return $wordblocks;
178			}
179
180			/**
181			* Gets the list of configured schemes
182			*
183			* @return array the schemes
184			*/
185			function getSchemes() {
186			static $schemes = null;
187			if ( !$schemes ) {
188			$schemes = retrieveConfig('scheme','file',null,'array_merge_with_removal');
189			$schemes = array_map('trim', $schemes);
190			$schemes = preg_replace('/^#.*/', '', $schemes);
191			$schemes = array_filter($schemes);
192			}
193			return $schemes;
194			}
195
196			/**
197			* Builds a hash from an array of lines
198			*
199			* If $lower is set to true all hash keys are converted to
200			* lower case.
201			*
202			* @author Harry Fuecks <[email protected]>
203			* @author Andreas Gohr <[email protected]>
204			* @author Gina Haeussge <[email protected]>
205			*
206			* @param array $lines
207			* @param bool $lower
208			*
209			* @return array
210			*/
211			function linesToHash($lines, $lower = false) {
212			$conf = array();
213			// remove BOM
214			if(isset($lines[0]) && substr($lines[0], 0, 3) == pack('CCC', 0xef, 0xbb, 0xbf))
215			$lines[0] = substr($lines[0], 3);
216			foreach($lines as $line) {
217			//ignore comments (except escaped ones)
218			$line = preg_replace('/(?<![&\\\\])#.*$/', '', $line);
219			$line = str_replace('\\#', '#', $line);
220			$line = trim($line);
221			if($line === '') continue;
222			$line = preg_split('/\s+/', $line, 2);
223			$line = array_pad($line, 2, '');
224			// Build the associative array
225			if($lower) {
226			$conf[strtolower($line[0])] = $line[1];
227			} else {
228			$conf[$line[0]] = $line[1];
229			}
230			}
231
232			return $conf;
233			}
234
235			/**
236			* Builds a hash from a configfile
237			*
238			* If $lower is set to true all hash keys are converted to
239			* lower case.
240			*
241			* @author Harry Fuecks <[email protected]>
242			* @author Andreas Gohr <[email protected]>
243			* @author Gina Haeussge <[email protected]>
244			*
245			* @param string $file
246			* @param bool $lower
247			*
248			* @return array
249			*/
250			function confToHash($file,$lower=false) {
251			$conf = array();
252			$lines = @file( $file );
253			if ( !$lines ) return $conf;
254
255			return linesToHash($lines, $lower);
256			}
257
258			/**
259			* Read a json config file into an array
260			*
261			* @param string $file
262			* @return array
263			*/
264			function jsonToArray($file)
265			{
266			$json = file_get_contents($file);
267
268			$conf = json_decode($json, true);
269
270			if ($conf === null) {
271			return [];
272			}
273
274			return $conf;
275			}
276
277			/**
278			* Retrieve the requested configuration information
279			*
280			* @author Chris Smith <[email protected]>
281			*
282			* @param string $type the configuration settings to be read, must correspond to a key/array in $config_cascade
283			* @param callback $fn the function used to process the configuration file into an array
284			* @param array $params optional additional params to pass to the callback
285			* @param callback $combine the function used to combine arrays of values read from different configuration files;
286			* the function takes two parameters,
287			* $combined - the already read & merged configuration values
288			* $new - array of config values from the config cascade file being currently processed
289			* and returns an array of the merged configuration values.
290			* @return array configuration values
291			*/
292			function retrieveConfig($type,$fn,$params=null,$combine='array_merge') {
293			global $config_cascade;
294
295			if(!is_array($params)) $params = array();
296
297			$combined = array();
298			if (!is_array($config_cascade[$type])) trigger_error('Missing config cascade for "'.$type.'"',E_USER_WARNING);
299			foreach (array('default','local','protected') as $config_group) {
300			if (empty($config_cascade[$type][$config_group])) continue;
301			foreach ($config_cascade[$type][$config_group] as $file) {
302			if (file_exists($file)) {
303			$config = call_user_func_array($fn,array_merge(array($file),$params));
304			$combined = $combine($combined, $config);
305			}
306			}
307			}
308
309			return $combined;
310			}
311
312			/**
313			* Include the requested configuration information
314			*
315			* @author Chris Smith <[email protected]>
316			*
317			* @param string $type the configuration settings to be read, must correspond to a key/array in $config_cascade
318			* @return array list of files, default before local before protected
319			*/
320			function getConfigFiles($type) {
321			global $config_cascade;
322			$files = array();
323
324			if (!is_array($config_cascade[$type])) trigger_error('Missing config cascade for "'.$type.'"',E_USER_WARNING);
325			foreach (array('default','local','protected') as $config_group) {
326			if (empty($config_cascade[$type][$config_group])) continue;
327			$files = array_merge($files, $config_cascade[$type][$config_group]);
328			}
329
330			return $files;
331			}
332
333			/**
334			* check if the given action was disabled in config
335			*
336			* @author Andreas Gohr <[email protected]>
337			* @param string $action
338			* @returns boolean true if enabled, false if disabled
339			*/
340			function actionOK($action){
341			static $disabled = null;
342			if(is_null($disabled) \|\| defined('SIMPLE_TEST')){
343			global $conf;
344			/** @var DokuWiki_Auth_Plugin $auth */
345			global $auth;
346
347			// prepare disabled actions array and handle legacy options
348			$disabled = explode(',',$conf['disableactions']);
349			$disabled = array_map('trim',$disabled);
350			if((isset($conf['openregister']) && !$conf['openregister']) \|\| is_null($auth) \|\| !$auth->canDo('addUser')) {
351			$disabled[] = 'register';
352			}
353			if((isset($conf['resendpasswd']) && !$conf['resendpasswd']) \|\| is_null($auth) \|\| !$auth->canDo('modPass')) {
354			$disabled[] = 'resendpwd';
355			}
356			if((isset($conf['subscribers']) && !$conf['subscribers']) \|\| is_null($auth)) {
357			$disabled[] = 'subscribe';
358			}
359			if (is_null($auth) \|\| !$auth->canDo('Profile')) {
360			$disabled[] = 'profile';
361			}
362			if (is_null($auth) \|\| !$auth->canDo('delUser')) {
363			$disabled[] = 'profile_delete';
364			}
365			if (is_null($auth)) {
366			$disabled[] = 'login';
367			}
368			if (is_null($auth) \|\| !$auth->canDo('logout')) {
369			$disabled[] = 'logout';
370			}
371			$disabled = array_unique($disabled);
372			}
373
374			return !in_array($action,$disabled);
375			}
376
377			/**
378			* check if headings should be used as link text for the specified link type
379			*
380			* @author Chris Smith <[email protected]>
381			*
382			* @param string $linktype 'content'\|'navigation', content applies to links in wiki text
383			* navigation applies to all other links
384			* @return boolean true if headings should be used for $linktype, false otherwise
385			*/
386			function useHeading($linktype) {
387			static $useHeading = null;
388			if(defined('DOKU_UNITTEST')) $useHeading = null; // don't cache during unit tests
389
390			if (is_null($useHeading)) {
391			global $conf;
392
393			if (!empty($conf['useheading'])) {
394			switch ($conf['useheading']) {
395			case 'content':
396			$useHeading['content'] = true;
397			break;
398
399			case 'navigation':
400			$useHeading['navigation'] = true;
401			break;
402			default:
403			$useHeading['content'] = true;
404			$useHeading['navigation'] = true;
405			}
406			} else {
407			$useHeading = array();
408			}
409			}
410
411			return (!empty($useHeading[$linktype]));
412			}
413
414			/**
415			* obscure config data so information isn't plain text
416			*
417			* @param string $str data to be encoded
418			* @param string $code encoding method, values: plain, base64, uuencode.
419			* @return string the encoded value
420			*/
421			function conf_encodeString($str,$code) {
422			switch ($code) {
423			case 'base64' : return '<b>'.base64_encode($str);
424			case 'uuencode' : return '<u>'.convert_uuencode($str);
425			case 'plain':
426			default:
427			return $str;
428			}
429			}
430			/**
431			* return obscured data as plain text
432			*
433			* @param string $str encoded data
434			* @return string plain text
435			*/
436			function conf_decodeString($str) {
437			switch (substr($str,0,3)) {
438			case '<b>' : return base64_decode(substr($str,3));
439			case '<u>' : return convert_uudecode(substr($str,3));
440			default: // not encoded (or unknown)
441			return $str;
442			}
443			}
444
445			/**
446			* array combination function to remove negated values (prefixed by !)
447			*
448			* @param array $current
449			* @param array $new
450			*
451			* @return array the combined array, numeric keys reset
452			*/
453			function array_merge_with_removal($current, $new) {
454			foreach ($new as $val) {
455			if (substr($val,0,1) == DOKU_CONF_NEGATION) {
456			$idx = array_search(trim(substr($val,1)),$current);
457			if ($idx !== false) {
458			unset($current[$idx]);
459			}
460			} else {
461			$current[] = trim($val);
462			}
463			}
464
465			return array_slice($current,0);
466			}
467			//Setup VIM: ex: et ts=4 :
468

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