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[autoinstalls/mediawiki.git] / includes / installer / LocalSettingsGenerator.php
1 <?php
2 /**
3  * Generator for LocalSettings.php file.
4  *
5  * @file
6  * @ingroup Deployment
7  */
8
9 /**
10  * Class for generating LocalSettings.php file.
11  *
12  * @ingroup Deployment
13  * @since 1.17
14  */
15 class LocalSettingsGenerator {
16
17         private $extensions = array();
18         private $values = array();
19         private $groupPermissions = array();
20         private $dbSettings = '';
21         private $safeMode = false;
22
23         /**
24          * @var Installer
25          */
26         private $installer;
27
28         /**
29          * Constructor.
30          *
31          * @param $installer Installer subclass
32          */
33         public function __construct( Installer $installer ) {
34                 $this->installer = $installer;
35
36                 $this->extensions = $installer->getVar( '_Extensions' );
37
38                 $db = $installer->getDBInstaller( $installer->getVar( 'wgDBtype' ) );
39
40                 $confItems = array_merge(
41                         array(
42                                 'wgScriptPath', 'wgScriptExtension',
43                                 'wgPasswordSender', 'wgImageMagickConvertCommand', 'wgShellLocale',
44                                 'wgLanguageCode', 'wgEnableEmail', 'wgEnableUserEmail', 'wgDiff3',
45                                 'wgEnotifUserTalk', 'wgEnotifWatchlist', 'wgEmailAuthentication',
46                                 'wgDBtype', 'wgSecretKey', 'wgRightsUrl', 'wgSitename', 'wgRightsIcon',
47                                 'wgRightsText', 'wgRightsCode', 'wgMainCacheType', 'wgEnableUploads',
48                                 'wgMainCacheType', '_MemCachedServers', 'wgDBserver', 'wgDBuser',
49                                 'wgDBpassword', 'wgUseInstantCommons', 'wgUpgradeKey', 'wgDefaultSkin',
50                                 'wgMetaNamespace', 'wgResourceLoaderMaxQueryLength'
51                         ),
52                         $db->getGlobalNames()
53                 );
54
55                 $unescaped = array( 'wgRightsIcon' );
56                 $boolItems = array(
57                         'wgEnableEmail', 'wgEnableUserEmail', 'wgEnotifUserTalk',
58                         'wgEnotifWatchlist', 'wgEmailAuthentication', 'wgEnableUploads', 'wgUseInstantCommons'
59                 );
60
61                 foreach( $confItems as $c ) {
62                         $val = $installer->getVar( $c );
63
64                         if( in_array( $c, $boolItems ) ) {
65                                 $val = wfBoolToStr( $val );
66                         }
67
68                         if ( !in_array( $c, $unescaped ) ) {
69                                 $val = self::escapePhpString( $val );
70                         }
71
72                         $this->values[$c] = $val;
73                 }
74
75                 $this->dbSettings = $db->getLocalSettings();
76                 $this->safeMode = $installer->getVar( '_SafeMode' );
77                 $this->values['wgEmergencyContact'] = $this->values['wgPasswordSender'];
78         }
79
80         /**
81          * For $wgGroupPermissions, set a given ['group']['permission'] value.
82          * @param $group String Group name
83          * @param $rightsArr Array An array of permissions, in the form of:
84          *   array( 'right' => true, 'right2' => false )
85          */
86         public function setGroupRights( $group, $rightsArr ) {
87                 $this->groupPermissions[$group] = $rightsArr;
88         }
89
90         /**
91          * Returns the escaped version of a string of php code.
92          *
93          * @param $string String
94          *
95          * @return String
96          */
97         public static function escapePhpString( $string ) {
98                 if ( is_array( $string ) || is_object( $string ) ) {
99                         return false;
100                 }
101
102                 return strtr(
103                         $string,
104                         array(
105                                 "\n" => "\\n",
106                                 "\r" => "\\r",
107                                 "\t" => "\\t",
108                                 "\\" => "\\\\",
109                                 "\$" => "\\\$",
110                                 "\"" => "\\\""
111                         )
112                 );
113         }
114
115         /**
116          * Return the full text of the generated LocalSettings.php file,
117          * including the extensions
118          *
119          * @return String
120          */
121         public function getText() {
122                 $localSettings = $this->getDefaultText();
123
124                 if( count( $this->extensions ) ) {
125                         $localSettings .= "
126 # Enabled Extensions. Most extensions are enabled by including the base extension file here
127 # but check specific extension documentation for more details
128 # The following extensions were automatically enabled:\n";
129
130                         foreach( $this->extensions as $extName ) {
131                                 $encExtName = self::escapePhpString( $extName );
132                                 $localSettings .= "require( \"extensions/$encExtName/$encExtName.php\" );\n";
133                         }
134                 }
135
136                 $localSettings .= "\n\n# End of automatically generated settings.
137 # Add more configuration options below.\n\n";
138
139                 return $localSettings;
140         }
141
142         /**
143          * Write the generated LocalSettings to a file
144          *
145          * @param $fileName String Full path to filename to write to
146          */
147         public function writeFile( $fileName ) {
148                 file_put_contents( $fileName, $this->getText() );
149         }
150
151         /**
152          * @return String
153          */
154         private function buildMemcachedServerList() {
155                 $servers = $this->values['_MemCachedServers'];
156
157                 if( !$servers ) {
158                         return 'array()';
159                 } else {
160                         $ret = 'array( ';
161                         $servers = explode( ',', $servers );
162
163                         foreach( $servers as $srv ) {
164                                 $srv = trim( $srv );
165                                 $ret .= "'$srv', ";
166                         }
167
168                         return rtrim( $ret, ', ' ) . ' )';
169                 }
170         }
171
172         /**
173          * @return String
174          */
175         private function getDefaultText() {
176                 if( !$this->values['wgImageMagickConvertCommand'] ) {
177                         $this->values['wgImageMagickConvertCommand'] = '/usr/bin/convert';
178                         $magic = '#';
179                 } else {
180                         $magic = '';
181                 }
182
183                 if( !$this->values['wgShellLocale'] ) {
184                         $this->values['wgShellLocale'] = 'en_US.UTF-8';
185                         $locale = '#';
186                 } else {
187                         $locale = '';
188                 }
189
190                 $rightsUrl = $this->values['wgRightsUrl'] ? '' : '#';
191                 $hashedUploads = $this->safeMode ? '' : '#';
192                 $metaNamespace = '';
193                 if( $this->values['wgMetaNamespace'] !== $this->values['wgSitename'] ) {
194                         $metaNamespace = "\$wgMetaNamespace = \"{$this->values['wgMetaNamespace']}\";\n";
195                 }
196
197                 $groupRights = '';
198                 if( $this->groupPermissions ) {
199                         $groupRights .= "# The following permissions were set based on your choice in the installer\n";
200                         foreach( $this->groupPermissions as $group => $rightArr ) {
201                                 $group = self::escapePhpString( $group );
202                                 foreach( $rightArr as $right => $perm ) {
203                                         $right = self::escapePhpString( $right );
204                                         $groupRights .= "\$wgGroupPermissions['$group']['$right'] = " .
205                                                 wfBoolToStr( $perm ) . ";\n";
206                                 }
207                         }
208                 }
209
210                 switch( $this->values['wgMainCacheType'] ) {
211                         case 'anything':
212                         case 'db':
213                         case 'memcached':
214                         case 'accel':
215                                 $cacheType = 'CACHE_' . strtoupper( $this->values['wgMainCacheType']);
216                                 break;
217                         case 'none':
218                         default:
219                                 $cacheType = 'CACHE_NONE';
220                 }
221
222                 $mcservers = $this->buildMemcachedServerList();
223                 return "<?php
224 # This file was automatically generated by the MediaWiki {$GLOBALS['wgVersion']}
225 # installer. If you make manual changes, please keep track in case you
226 # need to recreate them later.
227 #
228 # See includes/DefaultSettings.php for all configurable settings
229 # and their default values, but don't forget to make changes in _this_
230 # file, not there.
231 #
232 # Further documentation for configuration settings may be found at:
233 # http://www.mediawiki.org/wiki/Manual:Configuration_settings
234
235 # Protect against web entry
236 if ( !defined( 'MEDIAWIKI' ) ) {
237         exit;
238 }
239
240 ## Uncomment this to disable output compression
241 # \$wgDisableOutputCompression = true;
242
243 \$wgSitename      = \"{$this->values['wgSitename']}\";
244 {$metaNamespace}
245 ## The URL base path to the directory containing the wiki;
246 ## defaults for all runtime URL paths are based off of this.
247 ## For more information on customizing the URLs please see:
248 ## http://www.mediawiki.org/wiki/Manual:Short_URL
249 \$wgScriptPath       = \"{$this->values['wgScriptPath']}\";
250 \$wgScriptExtension  = \"{$this->values['wgScriptExtension']}\";
251
252 ## The relative URL path to the skins directory
253 \$wgStylePath        = \"\$wgScriptPath/skins\";
254
255 ## The relative URL path to the logo.  Make sure you change this from the default,
256 ## or else you'll overwrite your logo when you upgrade!
257 \$wgLogo             = \"\$wgStylePath/common/images/wiki.png\";
258
259 ## UPO means: this is also a user preference option
260
261 \$wgEnableEmail      = {$this->values['wgEnableEmail']};
262 \$wgEnableUserEmail  = {$this->values['wgEnableUserEmail']}; # UPO
263
264 \$wgEmergencyContact = \"{$this->values['wgEmergencyContact']}\";
265 \$wgPasswordSender   = \"{$this->values['wgPasswordSender']}\";
266
267 \$wgEnotifUserTalk      = {$this->values['wgEnotifUserTalk']}; # UPO
268 \$wgEnotifWatchlist     = {$this->values['wgEnotifWatchlist']}; # UPO
269 \$wgEmailAuthentication = {$this->values['wgEmailAuthentication']};
270
271 ## Database settings
272 \$wgDBtype           = \"{$this->values['wgDBtype']}\";
273 \$wgDBserver         = \"{$this->values['wgDBserver']}\";
274 \$wgDBname           = \"{$this->values['wgDBname']}\";
275 \$wgDBuser           = \"{$this->values['wgDBuser']}\";
276 \$wgDBpassword       = \"{$this->values['wgDBpassword']}\";
277
278 {$this->dbSettings}
279
280 ## Shared memory settings
281 \$wgMainCacheType    = $cacheType;
282 \$wgMemCachedServers = $mcservers;
283
284 ## To enable image uploads, make sure the 'images' directory
285 ## is writable, then set this to true:
286 \$wgEnableUploads  = {$this->values['wgEnableUploads']};
287 {$magic}\$wgUseImageMagick = true;
288 {$magic}\$wgImageMagickConvertCommand = \"{$this->values['wgImageMagickConvertCommand']}\";
289
290 # InstantCommons allows wiki to use images from http://commons.wikimedia.org
291 \$wgUseInstantCommons  = {$this->values['wgUseInstantCommons']};
292
293 ## If you use ImageMagick (or any other shell command) on a
294 ## Linux server, this will need to be set to the name of an
295 ## available UTF-8 locale
296 {$locale}\$wgShellLocale = \"{$this->values['wgShellLocale']}\";
297
298 ## If you want to use image uploads under safe mode,
299 ## create the directories images/archive, images/thumb and
300 ## images/temp, and make them all writable. Then uncomment
301 ## this, if it's not already uncommented:
302 {$hashedUploads}\$wgHashedUploadDirectory = false;
303
304 ## If you have the appropriate support software installed
305 ## you can enable inline LaTeX equations:
306 \$wgUseTeX           = false;
307
308 ## Set \$wgCacheDirectory to a writable directory on the web server
309 ## to make your wiki go slightly faster. The directory should not
310 ## be publically accessible from the web.
311 #\$wgCacheDirectory = \"\$IP/cache\";
312
313 # Site language code, should be one of ./languages/Language(.*).php
314 \$wgLanguageCode = \"{$this->values['wgLanguageCode']}\";
315
316 \$wgSecretKey = \"{$this->values['wgSecretKey']}\";
317
318 # Site upgrade key. Must be set to a string (default provided) to turn on the
319 # web installer while LocalSettings.php is in place
320 \$wgUpgradeKey = \"{$this->values['wgUpgradeKey']}\";
321
322 ## Default skin: you can change the default skin. Use the internal symbolic
323 ## names, ie 'standard', 'nostalgia', 'cologneblue', 'monobook', 'vector':
324 \$wgDefaultSkin = \"{$this->values['wgDefaultSkin']}\";
325
326 ## For attaching licensing metadata to pages, and displaying an
327 ## appropriate copyright notice / icon. GNU Free Documentation
328 ## License and Creative Commons licenses are supported so far.
329 {$rightsUrl}\$wgEnableCreativeCommonsRdf = true;
330 \$wgRightsPage = \"\"; # Set to the title of a wiki page that describes your license/copyright
331 \$wgRightsUrl  = \"{$this->values['wgRightsUrl']}\";
332 \$wgRightsText = \"{$this->values['wgRightsText']}\";
333 \$wgRightsIcon = \"{$this->values['wgRightsIcon']}\";
334 # \$wgRightsCode = \"{$this->values['wgRightsCode']}\"; # Not yet used
335
336 # Path to the GNU diff3 utility. Used for conflict resolution.
337 \$wgDiff3 = \"{$this->values['wgDiff3']}\";
338
339 {$groupRights}
340
341 # Query string length limit for ResourceLoader. You should only set this if
342 # your web server has a query string length limit (then set it to that limit),
343 # or if you have suhosin.get.max_value_length set in php.ini (then set it to
344 # that value)
345 \$wgResourceLoaderMaxQueryLength = {$this->values['wgResourceLoaderMaxQueryLength']};
346 ";
347         }
348
349 }