confutils.php ➔ linesToHash() - Code Metrics - Inspection of "Merge pull request #2097 from micgro42/fixNotices" - splitbrain/dokuwiki - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 6e57b2...3d9090 )

by Andreas

created 2017-08-27 18:51 UTC

confutils.php ➔ linesToHash() C

↳ Parent: Project

Complexity

Conditions	7
Paths	12

Size

Total Lines	25
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	7
eloc	17
nc	12
nop	2
dl	0
loc	25
rs	6.7272
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(empty($line)) continue;
        $line = preg_split('/\s+/',$line,2);
        // Build the associative array
        if (empty($line[1])) {
            $line[1] = '';
        }
        if($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);
}

/**
 * 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(empty($line)) continue;
222			$line = preg_split('/\s+/',$line,2);
223			// Build the associative array
224			if (empty($line[1])) {
225			$line[1] = '';
226			}
227			if($lower){
228			$conf[strtolower($line[0])] = $line[1];
229			}else{
230			$conf[$line[0]] = $line[1];
231			}
232			}
233
234			return $conf;
235			}
236
237			/**
238			* Builds a hash from a configfile
239			*
240			* If $lower is set to true all hash keys are converted to
241			* lower case.
242			*
243			* @author Harry Fuecks <[email protected]>
244			* @author Andreas Gohr <[email protected]>
245			* @author Gina Haeussge <[email protected]>
246			*
247			* @param string $file
248			* @param bool $lower
249			*
250			* @return array
251			*/
252			function confToHash($file,$lower=false) {
253			$conf = array();
254			$lines = @file( $file );
255			if ( !$lines ) return $conf;
256
257			return linesToHash($lines, $lower);
258			}
259
260			/**
261			* Retrieve the requested configuration information
262			*
263			* @author Chris Smith <[email protected]>
264			*
265			* @param string $type the configuration settings to be read, must correspond to a key/array in $config_cascade
266			* @param callback $fn the function used to process the configuration file into an array
267			* @param array $params optional additional params to pass to the callback
268			* @param callback $combine the function used to combine arrays of values read from different configuration files;
269			* the function takes two parameters,
270			* $combined - the already read & merged configuration values
271			* $new - array of config values from the config cascade file being currently processed
272			* and returns an array of the merged configuration values.
273			* @return array configuration values
274			*/
275			function retrieveConfig($type,$fn,$params=null,$combine='array_merge') {
276			global $config_cascade;
277
278			if(!is_array($params)) $params = array();
279
280			$combined = array();
281			if (!is_array($config_cascade[$type])) trigger_error('Missing config cascade for "'.$type.'"',E_USER_WARNING);
282			foreach (array('default','local','protected') as $config_group) {
283			if (empty($config_cascade[$type][$config_group])) continue;
284			foreach ($config_cascade[$type][$config_group] as $file) {
285			if (file_exists($file)) {
286			$config = call_user_func_array($fn,array_merge(array($file),$params));
287			$combined = $combine($combined, $config);
288			}
289			}
290			}
291
292			return $combined;
293			}
294
295			/**
296			* Include the requested configuration information
297			*
298			* @author Chris Smith <[email protected]>
299			*
300			* @param string $type the configuration settings to be read, must correspond to a key/array in $config_cascade
301			* @return array list of files, default before local before protected
302			*/
303			function getConfigFiles($type) {
304			global $config_cascade;
305			$files = array();
306
307			if (!is_array($config_cascade[$type])) trigger_error('Missing config cascade for "'.$type.'"',E_USER_WARNING);
308			foreach (array('default','local','protected') as $config_group) {
309			if (empty($config_cascade[$type][$config_group])) continue;
310			$files = array_merge($files, $config_cascade[$type][$config_group]);
311			}
312
313			return $files;
314			}
315
316			/**
317			* check if the given action was disabled in config
318			*
319			* @author Andreas Gohr <[email protected]>
320			* @param string $action
321			* @returns boolean true if enabled, false if disabled
322			*/
323			function actionOK($action){
324			static $disabled = null;
325			if(is_null($disabled) \|\| defined('SIMPLE_TEST')){
326			global $conf;
327			/** @var DokuWiki_Auth_Plugin $auth */
328			global $auth;
329
330			// prepare disabled actions array and handle legacy options
331			$disabled = explode(',',$conf['disableactions']);
332			$disabled = array_map('trim',$disabled);
333			if((isset($conf['openregister']) && !$conf['openregister']) \|\| is_null($auth) \|\| !$auth->canDo('addUser')) {
334			$disabled[] = 'register';
335			}
336			if((isset($conf['resendpasswd']) && !$conf['resendpasswd']) \|\| is_null($auth) \|\| !$auth->canDo('modPass')) {
337			$disabled[] = 'resendpwd';
338			}
339			if((isset($conf['subscribers']) && !$conf['subscribers']) \|\| is_null($auth)) {
340			$disabled[] = 'subscribe';
341			}
342			if (is_null($auth) \|\| !$auth->canDo('Profile')) {
343			$disabled[] = 'profile';
344			}
345			if (is_null($auth) \|\| !$auth->canDo('delUser')) {
346			$disabled[] = 'profile_delete';
347			}
348			if (is_null($auth)) {
349			$disabled[] = 'login';
350			}
351			if (is_null($auth) \|\| !$auth->canDo('logout')) {
352			$disabled[] = 'logout';
353			}
354			$disabled = array_unique($disabled);
355			}
356
357			return !in_array($action,$disabled);
358			}
359
360			/**
361			* check if headings should be used as link text for the specified link type
362			*
363			* @author Chris Smith <[email protected]>
364			*
365			* @param string $linktype 'content'\|'navigation', content applies to links in wiki text
366			* navigation applies to all other links
367			* @return boolean true if headings should be used for $linktype, false otherwise
368			*/
369			function useHeading($linktype) {
370			static $useHeading = null;
371			if(defined('DOKU_UNITTEST')) $useHeading = null; // don't cache during unit tests
372
373			if (is_null($useHeading)) {
374			global $conf;
375
376			if (!empty($conf['useheading'])) {
377			switch ($conf['useheading']) {
378			case 'content':
379			$useHeading['content'] = true;
380			break;
381
382			case 'navigation':
383			$useHeading['navigation'] = true;
384			break;
385			default:
386			$useHeading['content'] = true;
387			$useHeading['navigation'] = true;
388			}
389			} else {
390			$useHeading = array();
391			}
392			}
393
394			return (!empty($useHeading[$linktype]));
395			}
396
397			/**
398			* obscure config data so information isn't plain text
399			*
400			* @param string $str data to be encoded
401			* @param string $code encoding method, values: plain, base64, uuencode.
402			* @return string the encoded value
403			*/
404			function conf_encodeString($str,$code) {
405			switch ($code) {
406			case 'base64' : return '<b>'.base64_encode($str);
407			case 'uuencode' : return '<u>'.convert_uuencode($str);
408			case 'plain':
409			default:
410			return $str;
411			}
412			}
413			/**
414			* return obscured data as plain text
415			*
416			* @param string $str encoded data
417			* @return string plain text
418			*/
419			function conf_decodeString($str) {
420			switch (substr($str,0,3)) {
421			case '<b>' : return base64_decode(substr($str,3));
422			case '<u>' : return convert_uudecode(substr($str,3));
423			default: // not encoded (or unknown)
424			return $str;
425			}
426			}
427
428			/**
429			* array combination function to remove negated values (prefixed by !)
430			*
431			* @param array $current
432			* @param array $new
433			*
434			* @return array the combined array, numeric keys reset
435			*/
436			function array_merge_with_removal($current, $new) {
437			foreach ($new as $val) {
438			if (substr($val,0,1) == DOKU_CONF_NEGATION) {
439			$idx = array_search(trim(substr($val,1)),$current);
440			if ($idx !== false) {
441			unset($current[$idx]);
442			}
443			} else {
444			$current[] = trim($val);
445			}
446			}
447
448			return array_slice($current,0);
449			}
450			//Setup VIM: ex: et ts=4 :
451

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