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Canasta 2.0 adding wiki farm support (#295)
Canasta 2.0 adding wiki farm support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| <?php | ||
|
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| # Protect against web entry | ||
| if ( !defined( 'MEDIAWIKI' ) ) { | ||
| exit; | ||
| } | ||
|
|
||
| // Get the original URL from the environment variables | ||
| $original_url = getenv( 'ORIGINAL_URL' ); | ||
| $serverName = ""; | ||
| $path = ""; | ||
|
|
||
| // Check if the original URL is defined, else throw an exception | ||
| if ( $original_url === false && !defined( 'MW_WIKI_NAME' ) ) { | ||
| return; | ||
| } | ||
|
|
||
| // Parse the original URL | ||
| $urlComponents = parse_url( $original_url ); | ||
|
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| // Check if URL parsing was successful, else throw an exception | ||
| if ( $urlComponents === false ) { | ||
| throw new Exception( 'Error: Failed to parse the original URL' ); | ||
| } | ||
|
|
||
| // Extract the server name (host) from the URL | ||
| if ( isset( $urlComponents['host'] ) ) { | ||
| $serverName = $urlComponents['host']; | ||
| } | ||
|
|
||
| // Extract the path from the URL, if any | ||
| if ( isset( $urlComponents['path'] ) ) { | ||
| // Split the path into parts | ||
| $pathParts = explode( '/', trim( $urlComponents['path'], '/' ) ); | ||
|
|
||
| // Check if path splitting was successful, else throw an exception | ||
| if ( $pathParts === false ) { | ||
| throw new Exception( 'Error: Failed to split the path into parts' ); | ||
| } | ||
|
|
||
| // If there is a path, store the first directory in the variable $path | ||
| if ( count( $pathParts ) > 0 ) { | ||
| $firstDirectory = $pathParts[0]; | ||
| } | ||
|
|
||
| // If the first directory is not "wiki" or "w", store it in the variable $path | ||
| if ( $firstDirectory != "wiki" && $firstDirectory != "w" ) { | ||
| $path = $firstDirectory; | ||
| } | ||
| } | ||
|
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||
| // Parse the YAML configuration file containing the wiki information | ||
| $wikiConfigurations = null; | ||
|
|
||
| try { | ||
| // Get the file path of the YAML configuration file | ||
| $file = getenv( 'MW_VOLUME' ) . '/config/wikis.yaml'; | ||
|
|
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| // Check if the configuration file exists, else throw an exception | ||
| if ( !file_exists( $file ) ) { | ||
| throw new Exception( 'The configuration file does not exist' ); | ||
| } | ||
|
|
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| // Parse the configuration file | ||
| $wikiConfigurations = yaml_parse_file( $file ); | ||
|
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| // Check if file parsing was successful, else throw an exception | ||
| if ( $wikiConfigurations === false ) { | ||
| throw new Exception( 'Error parsing the configuration file' ); | ||
| } | ||
| } catch ( Exception $e ) { | ||
| die( 'Caught exception: ' . $e->getMessage() ); | ||
| } | ||
|
|
||
| $wikiIdToConfigMap = []; | ||
| $urlToWikiIdMap = []; | ||
|
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||
| // Populate the arrays with data from the configuration file | ||
| if ( isset( $wikiConfigurations ) && isset( $wikiConfigurations['wikis'] ) && is_array( $wikiConfigurations['wikis'] ) ) { | ||
| foreach ( $wikiConfigurations['wikis'] as $wiki ) { | ||
| // Check if 'url' and 'id' are set before using them | ||
| if ( isset( $wiki['url'] ) && isset( $wiki['id'] ) ) { | ||
| $urlToWikiIdMap[$wiki['url']] = $wiki['id']; | ||
| $wikiIdToConfigMap[$wiki['id']] = $wiki; | ||
| } else { | ||
| throw new Exception( 'Error: The wiki configuration is missing either the url or id attribute.' ); | ||
| } | ||
| } | ||
| } else { | ||
| throw new Exception( 'Error: Invalid wiki configurations.' ); | ||
| } | ||
|
|
||
| // Prepare the key using the server name and the path | ||
| if ( empty( $path ) ) { | ||
| $key = $serverName; | ||
| } else { | ||
| $key = $serverName . '/' . $path; | ||
| } | ||
|
|
||
| // Retrieve the wikiID if available | ||
| $wikiID = defined( 'MW_WIKI_NAME' ) ? MW_WIKI_NAME : null; | ||
|
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||
| // Check if the key is null or if it exists in the urlToWikiIdMap, else throw an exception | ||
| if ( $key === null ) { | ||
| throw new Exception( "Error: Key is null." ); | ||
| } elseif ( $wikiID === null && array_key_exists( $key, $urlToWikiIdMap ) ) { | ||
| $wikiID = $urlToWikiIdMap[$key]; | ||
| } elseif ( $wikiID === null ) { | ||
| throw new Exception( "Error: $key does not exist in urlToWikiIdMap." ); | ||
| } | ||
|
|
||
| // Get the configuration for the selected wiki | ||
| $selectedWikiConfig = $wikiIdToConfigMap[$wikiID] ?? null; | ||
|
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| // Check if a matching configuration was found. If so, configure the wiki database, else terminate execution | ||
| if ( !empty( $selectedWikiConfig ) ) { | ||
| // Set database name to the wiki ID | ||
| $wgDBname = $wikiID; | ||
|
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| // Set site name and meta namespace from the configuration, or use the wiki ID if 'name' is not set | ||
| $wgSitename = isset( $selectedWikiConfig['name'] ) ? $selectedWikiConfig['name'] : $wikiID; | ||
| $wgMetaNamespace = isset( $selectedWikiConfig['name'] ) ? $selectedWikiConfig['name'] : $wikiID; | ||
| } else { | ||
| die( 'Unknown wiki.' ); | ||
| } | ||
|
|
||
| // Configure the wiki server and URL paths | ||
| $wgServer = "https://$serverName"; | ||
| $wgScriptPath = !empty( $path ) | ||
| ? "/$path/w" | ||
| : "/w"; | ||
|
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||
| $wgArticlePath = !empty( $path ) | ||
| ? "/$path/wiki/$1" | ||
| : "/wiki/$1"; | ||
| $wgCacheDirectory = "$IP/cache/$wikiID"; | ||
| $wgUploadDirectory = "$IP/images/$wikiID"; | ||
|
|
||
| // Load additional configuration files specific to the wiki ID | ||
| $files = glob( getenv( 'MW_VOLUME' ) . "/config/{$wikiID}/*.php" ); | ||
|
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| $wgEnableUploads = true; | ||
|
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| // Check if the glob function was successful, else continue with the execution | ||
| if ( $files !== false && is_array( $files ) ) { | ||
| // Sort the files | ||
| sort( $files ); | ||
|
|
||
| // Include each file | ||
| foreach ( $files as $filename ) { | ||
| require_once "$filename"; | ||
| } | ||
| } |
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