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<?php |
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/** |
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* This file contains only the AutomatedEditsHelper class. |
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*/ |
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declare(strict_types = 1); |
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namespace AppBundle\Helper; |
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use AppBundle\Model\Project; |
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use DateInterval; |
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use MediaWiki\OAuthClient\Client; |
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use Psr\Cache\CacheItemPoolInterface; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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/** |
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* Helper class for fetching semi-automated definitions. |
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*/ |
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class AutomatedEditsHelper |
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{ |
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/** @var array The list of tools that are considered reverting. */ |
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protected $revertTools = []; |
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/** @var array The list of tool names and their regexes/tags. */ |
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protected $tools = []; |
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/** @var ContainerInterface */ |
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private $container; |
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/** @var CacheItemPoolInterface */ |
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protected $cache; |
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/** |
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* AutomatedEditsHelper constructor. |
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* @param ContainerInterface $container |
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*/ |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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$this->cache = $container->get('cache.app'); |
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} |
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/** |
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* Get the tool that matched the given edit summary. |
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* This only works for tools defined with regular expressions, not tags. |
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* @param string $summary Edit summary |
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* @param Project $project |
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* @return string[]|false Tool entry including key for 'name', or false if nothing was found |
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*/ |
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public function getTool(string $summary, Project $project) |
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{ |
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foreach ($this->getTools($project) as $tool => $values) { |
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if (isset($values['regex']) && preg_match('/'.$values['regex'].'/', $summary)) { |
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return array_merge([ |
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'name' => $tool, |
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], $values); |
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} |
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} |
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return false; |
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} |
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/** |
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* Was the edit (semi-)automated, based on the edit summary? |
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* This only works for tools defined with regular expressions, not tags. |
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* @param string $summary Edit summary |
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* @param Project $project |
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* @return bool |
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*/ |
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public function isAutomated(string $summary, Project $project): bool |
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{ |
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return (bool)$this->getTool($summary, $project); |
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} |
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/** |
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* Fetch the config from https://meta.wikimedia.org/wiki/MediaWiki:XTools-AutoEdits.json |
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* @param bool $useSandbox Use the sandbox version of the config, located at MediaWiki:XTools-AutoEdits.json/sandbox |
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* @return array |
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*/ |
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public function getConfig(bool $useSandbox = false): array |
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{ |
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$cacheKey = 'autoedits_config'; |
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if (!$useSandbox && $this->cache->hasItem($cacheKey)) { |
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return $this->cache->getItem($cacheKey)->get(); |
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} |
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$session = $this->container->get('session'); |
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$uri = 'https://meta.wikimedia.org/w/index.php?action=raw&ctype=application/json&title=' . |
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'MediaWiki:XTools-AutoEdits.json' . ($useSandbox ? '/sandbox' : ''); |
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if ($useSandbox && $session->get('logged_in_user')) { |
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// Request via OAuth to get around server-side caching. |
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/** @var Client $client */ |
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$client = $this->container->get('session')->get('oauth_client'); |
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$resp = $client->makeOAuthCall( |
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$this->container->get('session')->get('oauth_access_token'), |
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$uri |
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); |
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} else { |
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$resp = file_get_contents($uri); |
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} |
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$ret = json_decode($resp, true); |
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if (!$useSandbox) { |
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$cacheItem = $this->cache |
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->getItem($cacheKey) |
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->set($ret) |
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->expiresAfter(new DateInterval('PT20M')); |
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$this->cache->save($cacheItem); |
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} |
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return $ret; |
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} |
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/** |
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* Get list of automated tools and their associated info for the given project. |
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* This defaults to the 'default_project' if entries for the given project are not found. |
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* @param Project $project |
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* @param bool $useSandbox Whether to use the /sandbox version for testing (also bypasses caching). |
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* @return array Each tool with the tool name as the key and 'link', 'regex' and/or 'tag' as the subarray keys. |
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*/ |
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public function getTools(Project $project, bool $useSandbox = false): array |
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{ |
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$projectDomain = $project->getDomain(); |
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if (isset($this->tools[$projectDomain])) { |
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return $this->tools[$projectDomain]; |
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} |
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// Load the semi-automated edit types. |
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$tools = $this->getConfig($useSandbox); |
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if (isset($tools[$projectDomain])) { |
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$localRules = $tools[$projectDomain]; |
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} else { |
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$localRules = []; |
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} |
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$langRules = $tools[$project->getLang()] ?? []; |
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// Per-wiki rules have priority, followed by language-specific and global. |
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$globalWithLangRules = $this->mergeRules($tools['global'], $langRules); |
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$this->tools[$projectDomain] = $this->mergeRules( |
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$globalWithLangRules, |
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$localRules |
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); |
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// Once last walk through for some tidying up and validation. |
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$invalid = []; |
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array_walk($this->tools[$projectDomain], function (&$data, $tool) use (&$invalid): void { |
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// Populate the 'label' with the tool name, if a label doesn't already exist. |
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$data['label'] = $data['label'] ?? $tool; |
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// 'namespaces' should be an array of ints. |
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$data['namespaces'] = $data['namespaces'] ?? []; |
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if (isset($data['namespace'])) { |
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$data['namespaces'][] = $data['namespace']; |
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unset($data['namespace']); |
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} |
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// 'tags' should be an array of strings. |
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$data['tags'] = $data['tags'] ?? []; |
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if (isset($data['tag'])) { |
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$data['tags'][] = $data['tag']; |
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unset($data['tag']); |
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} |
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// If neither a tag or regex is given, it's invalid. |
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if (empty($data['tags']) && empty($data['regex'])) { |
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$invalid[] = $tool; |
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} |
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}); |
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uksort($this->tools[$projectDomain], 'strcasecmp'); |
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if ($invalid) { |
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$this->tools[$projectDomain]['invalid'] = $invalid; |
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} |
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return $this->tools[$projectDomain]; |
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} |
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/** |
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* Merges the given rule sets, giving priority to the local set. Regex is concatenated, not overridden. |
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* @param string[] $globalRules The global rule set. |
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* @param string[] $localRules The rule set for the local wiki. |
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* @return string[] Merged rules. |
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*/ |
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private function mergeRules(array $globalRules, array $localRules): array |
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{ |
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// Initial set, including just the global rules. |
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$tools = $globalRules; |
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// Loop through local rules and override/merge as necessary. |
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foreach ($localRules as $tool => $rules) { |
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$newRules = $rules; |
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if (isset($globalRules[$tool])) { |
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// Order within array_merge is important, so that local rules get priority. |
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$newRules = array_merge($globalRules[$tool], $rules); |
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} |
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// Regex should be merged, not overridden. |
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if (isset($rules['regex']) && isset($globalRules[$tool]['regex'])) { |
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$newRules['regex'] = implode('|', [ |
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$rules['regex'], |
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$globalRules[$tool]['regex'], |
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]); |
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} |
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$tools[$tool] = $newRules; |
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} |
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return $tools; |
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} |
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/** |
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* Get only tools that are used to revert edits. |
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* Revert detection happens only by testing against a regular expression, and not by checking tags. |
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* @param Project $project |
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* @return string[][] Each tool with the tool name as the key, |
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* and 'link' and 'regex' as the subarray keys. |
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*/ |
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public function getRevertTools(Project $project): array |
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{ |
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$projectDomain = $project->getDomain(); |
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if (isset($this->revertTools[$projectDomain])) { |
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return $this->revertTools[$projectDomain]; |
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} |
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$revertEntries = array_filter( |
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$this->getTools($project), |
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function ($tool) { |
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return isset($tool['revert']) && isset($tool['regex']); |
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} |
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); |
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// If 'revert' is set to `true`, then use 'regex' as the regular expression, |
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// otherwise 'revert' is assumed to be the regex string. |
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$this->revertTools[$projectDomain] = array_map(function ($revertTool) { |
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return [ |
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'link' => $revertTool['link'], |
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'regex' => true === $revertTool['revert'] ? $revertTool['regex'] : $revertTool['revert'], |
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]; |
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}, $revertEntries); |
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return $this->revertTools[$projectDomain]; |
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} |
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/** |
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* Was the edit a revert, based on the edit summary? |
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255
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* This only works for tools defined with regular expressions, not tags. |
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* @param string|null $summary Edit summary. Can be null for instance for suppressed edits. |
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* @param Project $project |
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* @return bool |
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*/ |
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public function isRevert(?string $summary, Project $project): bool |
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{ |
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foreach (array_values($this->getRevertTools($project)) as $values) { |
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if (preg_match('/'.$values['regex'].'/', (string)$summary)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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x-tools /
xtools
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