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   1  <?php
   2  
   3  /**
   4   * Define the YOURLS config
   5   */
   6  
   7  namespace YOURLS\Config;
   8  
   9  use YOURLS\Exceptions\ConfigException;
  10  
  11  class Config {
  12  
  13      /**
  14       * @var string
  15       */
  16      protected $root;
  17  
  18      /**
  19       * @var string
  20       */
  21      protected $config;
  22  
  23      /**
  24       * @since  1.7.3
  25       * @param  string $config   Optional user defined config path
  26       */
  27      public function __construct($config = '') {
  28          $this->set_root( $this->fix_win32_path( dirname( dirname( __DIR__ ) ) ) );
  29          $this->set_config($config);
  30      }
  31  
  32      /**
  33       * Convert antislashes to slashes
  34       *
  35       * @since  1.7.3
  36       * @param  string  $path
  37       * @return string  path with \ converted to /
  38       */
  39      public function fix_win32_path($path) {
  40          return str_replace('\\', '/', $path);
  41      }
  42  
  43      /**
  44       * @since  1.7.3
  45       * @param  string $config   path to config file
  46       * @return void
  47       */
  48      public function set_config($config) {
  49          $this->config = $config;
  50      }
  51  
  52      /**
  53       * @since  1.7.3
  54       * @param  string $root   path to YOURLS root directory
  55       * @return void
  56       */
  57      public function set_root($root) {
  58          $this->root = $root;
  59      }
  60  
  61      /**
  62       * Find config.php, either user defined or from standard location
  63       *
  64       * @since  1.7.3
  65       * @return string         path to found config file
  66       * @throws ConfigException
  67       */
  68      public function find_config() {
  69  
  70          $config = $this->fix_win32_path($this->config);
  71  
  72          if (!empty($config) && is_readable($config)) {
  73              return $config;
  74          }
  75  
  76          if (!empty($config) && !is_readable($config)) {
  77              throw new ConfigException("User defined config not found at '$config'");
  78          }
  79  
  80          // config.php in /user/
  81          if (file_exists($this->root . '/user/config.php')) {
  82              return $this->root . '/user/config.php';
  83          }
  84  
  85          // config.php in /includes/
  86          if (file_exists($this->root . '/includes/config.php')) {
  87              return $this->root . '/includes/config.php';
  88          }
  89  
  90          // config.php not found :(
  91  
  92          throw new ConfigException('Cannot find config.php. Please read the readme.html to learn how to install YOURLS');
  93      }
  94  
  95      /**
  96       * Define core constants that have not been user defined in config.php
  97       *
  98       * @since  1.7.3
  99       * @return void
 100       * @throws ConfigException
 101       */
 102      public function define_core_constants() {
 103          // Check minimal config job has been properly done
 104          $must_haves = array('YOURLS_DB_USER', 'YOURLS_DB_PASS', 'YOURLS_DB_NAME', 'YOURLS_DB_HOST', 'YOURLS_DB_PREFIX', 'YOURLS_SITE');
 105          foreach($must_haves as $must_have) {
 106              if (!defined($must_have)) {
 107                  throw new ConfigException('Config is incomplete (missing at least '.$must_have.') Check config-sample.php and edit your config accordingly');
 108              }
 109          }
 110  
 111          /**
 112           * The following has an awful CRAP index and it would be much shorter reduced to something like
 113           * defining an array of ('YOURLS_SOMETHING' => 'default value') and then a simple loop over the
 114           * array, checking if $current is defined as a constant and otherwise define said constant with
 115           * its default value. I did not wrote it that way because that would make it difficult for code
 116           * parsers to identify which constants are defined and where. So, here it is, that long list of
 117           * if (!defined) define(). Ho and by the way, such beautiful comment, much right aligned, wow !
 118           */
 119  
 120          // physical path of YOURLS root
 121          if (!defined( 'YOURLS_ABSPATH' ))
 122              define('YOURLS_ABSPATH', $this->root);
 123  
 124          // physical path of includes directory
 125          if (!defined( 'YOURLS_INC' ))
 126              define('YOURLS_INC', YOURLS_ABSPATH.'/includes');
 127  
 128          // physical path of user directory
 129          if (!defined( 'YOURLS_USERDIR' ))
 130              define( 'YOURLS_USERDIR', YOURLS_ABSPATH.'/user' );
 131  
 132          // URL of user directory
 133          if (!defined( 'YOURLS_USERURL' ))
 134              define( 'YOURLS_USERURL', trim(YOURLS_SITE, '/').'/user' );
 135  
 136          // physical path of asset directory
 137          if( !defined( 'YOURLS_ASSETDIR' ) )
 138              define( 'YOURLS_ASSETDIR', YOURLS_ABSPATH.'/assets' );
 139  
 140          // URL of asset directory
 141          if( !defined( 'YOURLS_ASSETURL' ) )
 142              define( 'YOURLS_ASSETURL', trim(YOURLS_SITE, '/').'/assets' );
 143  
 144          // physical path of translations directory
 145          if (!defined( 'YOURLS_LANG_DIR' ))
 146              define( 'YOURLS_LANG_DIR', YOURLS_USERDIR.'/languages' );
 147  
 148          // physical path of plugins directory
 149          if (!defined( 'YOURLS_PLUGINDIR' ))
 150              define( 'YOURLS_PLUGINDIR', YOURLS_USERDIR.'/plugins' );
 151  
 152          // URL of plugins directory
 153          if (!defined( 'YOURLS_PLUGINURL' ))
 154              define( 'YOURLS_PLUGINURL', YOURLS_USERURL.'/plugins' );
 155  
 156          // physical path of themes directory
 157          if( !defined( 'YOURLS_THEMEDIR' ) )
 158              define( 'YOURLS_THEMEDIR', YOURLS_USERDIR.'/themes' );
 159  
 160          // URL of themes directory
 161          if( !defined( 'YOURLS_THEMEURL' ) )
 162              define( 'YOURLS_THEMEURL', YOURLS_USERURL.'/themes' );
 163  
 164          // physical path of pages directory
 165          if (!defined( 'YOURLS_PAGEDIR' ))
 166              define('YOURLS_PAGEDIR', YOURLS_USERDIR.'/pages' );
 167  
 168          // table to store URLs
 169          if (!defined( 'YOURLS_DB_TABLE_URL' ))
 170              define( 'YOURLS_DB_TABLE_URL', YOURLS_DB_PREFIX.'url' );
 171  
 172          // table to store options
 173          if (!defined( 'YOURLS_DB_TABLE_OPTIONS' ))
 174              define( 'YOURLS_DB_TABLE_OPTIONS', YOURLS_DB_PREFIX.'options' );
 175  
 176          // table to store hits, for stats
 177          if (!defined( 'YOURLS_DB_TABLE_LOG' ))
 178              define( 'YOURLS_DB_TABLE_LOG', YOURLS_DB_PREFIX.'log' );
 179  
 180          // minimum delay in sec before a same IP can add another URL. Note: logged in users are not throttled down.
 181          if (!defined( 'YOURLS_FLOOD_DELAY_SECONDS' ))
 182              define( 'YOURLS_FLOOD_DELAY_SECONDS', 15 );
 183  
 184          // comma separated list of IPs that can bypass flood check.
 185          if (!defined( 'YOURLS_FLOOD_IP_WHITELIST' ))
 186              define( 'YOURLS_FLOOD_IP_WHITELIST', '' );
 187  
 188          // life span of an auth cookie in seconds (60*60*24*7 = 7 days)
 189          if (!defined( 'YOURLS_COOKIE_LIFE' ))
 190              define( 'YOURLS_COOKIE_LIFE', 60*60*24*7 );
 191  
 192          // life span of a nonce in seconds
 193          if (!defined( 'YOURLS_NONCE_LIFE' ))
 194              define( 'YOURLS_NONCE_LIFE', 43200 ); // 3600 * 12
 195  
 196          // if set to true, disable stat logging (no use for it, too busy servers, ...)
 197          if (!defined( 'YOURLS_NOSTATS' ))
 198              define( 'YOURLS_NOSTATS', false );
 199  
 200          // if set to true, force https:// in the admin area
 201          if (!defined( 'YOURLS_ADMIN_SSL' ))
 202              define( 'YOURLS_ADMIN_SSL', false );
 203  
 204          // if set to true, verbose debug infos. Will break things. Don't enable.
 205          if (!defined( 'YOURLS_DEBUG' ))
 206              define( 'YOURLS_DEBUG', false );
 207  
 208          // Error reporting
 209          if (defined( 'YOURLS_DEBUG' ) && YOURLS_DEBUG == true ) {
 210              error_reporting( -1 );
 211          } else {
 212              error_reporting( E_ERROR | E_PARSE );
 213          }
 214      }
 215  
 216  }