1 files changed, 183 insertions, 0 deletions
diff --git a/www/wiki/extensions/UploadWizard/includes/UploadWizardConfig.php b/www/wiki/extensions/UploadWizard/includes/UploadWizardConfig.php
new file mode 100644
index 00000000..774e045d
--- /dev/null
+++ b/www/wiki/extensions/UploadWizard/includes/UploadWizardConfig.php
@@ -0,0 +1,183 @@
+<?php
+
+/**
+ * Static class with methods for interacting with the Upload Wizards configuration.
+ *
+ * @file
+ * @ingroup Upload
+ *
+ * @since 1.2
+ *
+ * @license GPL-2.0-or-later
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class UploadWizardConfig {
+
+	/**
+	 * Returns true if any of the keys of an array is a string
+	 *
+	 * @param array $array
+	 *
+	 * @return bool
+	 */
+	private static function is_assoc( $array ) {
+		return (bool)count( array_filter( array_keys( $array ), 'is_string' ) );
+	}
+
+	/**
+	 * Same functionality as array_merge_recursive, but sanely
+	 * It treats 'normal' integer indexed arrays as scalars, and does
+	 * not recurse into them. Associative arrays are recursed into
+	 *
+	 * @param array $array
+	 * @param array $array1
+	 *
+	 * @return array Yet another array, sanely replacing contents of $array with $array1
+	 */
+	public static function array_replace_sanely( $array, $array1 ) {
+		$newArray = [];
+
+		foreach ( $array as $key => $value ) {
+			if ( array_key_exists( $key, $array1 ) ) {
+				switch ( gettype( $value ) ) {
+				case "array":
+					if ( self::is_assoc( $array[$key] ) ) {
+						$newArray[$key] = self::array_replace_sanely( $array[$key], $array1[$key] );
+						break;
+					}
+					# fall through
+				default:
+					$newArray[$key] = $array1[$key];
+					break;
+				}
+			} else {
+				$newArray[$key] = $array[$key];
+			}
+		}
+		$newArray = array_merge( $newArray, array_diff_key( $array1, $array ) );
+		return $newArray;
+	}
+
+	/**
+	 * Holder for configuration specified via url arguments.
+	 * This will override other config when returned via getConfig.
+	 *
+	 * @since 1.2
+	 * @var array
+	 */
+	protected static $urlConfig = [];
+
+	/**
+	 * Returns the globally configuration, optionally combined with campaign specific
+	 * configuration.
+	 *
+	 * @since 1.2
+	 *
+	 * @param string|null $campaignName
+	 *
+	 * @return array
+	 */
+	public static function getConfig( $campaignName = null ) {
+		global $wgUploadWizardConfig;
+		static $mergedConfig = false;
+
+		if ( !$mergedConfig ) {
+			$wgUploadWizardConfig = self::array_replace_sanely(
+				self::getDefaultConfig(),
+				$wgUploadWizardConfig
+			);
+			$mergedConfig = true;
+		}
+
+		if ( !is_null( $campaignName ) ) {
+			$wgUploadWizardConfig = self::array_replace_sanely(
+				$wgUploadWizardConfig,
+				self::getCampaignConfig( $campaignName )
+			);
+		}
+
+		return array_replace_recursive( $wgUploadWizardConfig, self::$urlConfig );
+	}
+
+	/**
+	 * Returns the value of a single configuration setting.
+	 *
+	 * @since 1.2
+	 *
+	 * @param string $settingName
+	 * @param string|null $campaignName
+	 *
+	 * @return mixed
+	 */
+	public static function getSetting( $settingName, $campaignName = null ) {
+		$config = self::getConfig( $campaignName );
+		return $config[$settingName];
+	}
+
+	/**
+	 * Sets a configuration setting provided by URL.
+	 * This will override other config when returned via getConfig.
+	 *
+	 * @param string $name
+	 * @param mixed $value
+	 *
+	 * @since 1.2
+	 */
+	public static function setUrlSetting( $name, $value ) {
+		self::$urlConfig[$name] = $value;
+	}
+
+	/**
+	 * Returns the default global config, from UploadWizard.config.php.
+	 *
+	 * @since 1.2
+	 *
+	 * @return array
+	 */
+	protected static function getDefaultConfig() {
+		$configPath = dirname( __DIR__ ) . '/UploadWizard.config.php';
+		return is_file( $configPath ) ? include $configPath : [];
+	}
+
+	/**
+	 * Returns the configuration of the specified campaign,
+	 * or an empty array when the campaign is not found or not enabled.
+	 *
+	 * @since 1.2
+	 *
+	 * @param string $campaignName
+	 *
+	 * @return array
+	 */
+	protected static function getCampaignConfig( $campaignName ) {
+		if ( !is_null( $campaignName ) ) {
+			$campaign = UploadWizardCampaign::newFromName( $campaignName );
+
+			if ( $campaign !== false && $campaign->getIsEnabled() ) {
+				return $campaign->getParsedConfig();
+			}
+		}
+
+		return [];
+	}
+
+	/**
+	 * Get a list of available third party licenses from the config.
+	 *
+	 * @since 1.2
+	 *
+	 * @return array
+	 */
+	public static function getThirdPartyLicenses() {
+		$licensing = self::getSetting( 'licensing' );
+		$thirdParty = $licensing['thirdParty'];
+		$licenses = [];
+
+		foreach ( $thirdParty['licenseGroups'] as $group ) {
+			$licenses = array_merge( $licenses, $group['licenses'] );
+		}
+
+		return $licenses;
+	}
+
+}