Complex classes like BotPassword often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use BotPassword, and based on these observations, apply Extract Interface, too.
1 | <?php |
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27 | class BotPassword implements IDBAccessObject { |
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28 | |||
29 | const APPID_MAXLENGTH = 32; |
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30 | |||
31 | /** @var bool */ |
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32 | private $isSaved; |
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33 | |||
34 | /** @var int */ |
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35 | private $centralId; |
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36 | |||
37 | /** @var string */ |
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38 | private $appId; |
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39 | |||
40 | /** @var string */ |
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41 | private $token; |
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42 | |||
43 | /** @var MWRestrictions */ |
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44 | private $restrictions; |
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45 | |||
46 | /** @var string[] */ |
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47 | private $grants; |
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48 | |||
49 | /** @var int */ |
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50 | private $flags = self::READ_NORMAL; |
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51 | |||
52 | /** |
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53 | * @param object $row bot_passwords database row |
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54 | * @param bool $isSaved Whether the bot password was read from the database |
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55 | * @param int $flags IDBAccessObject read flags |
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56 | */ |
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57 | protected function __construct( $row, $isSaved, $flags = self::READ_NORMAL ) { |
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67 | |||
68 | /** |
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69 | * Get a database connection for the bot passwords database |
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70 | * @param int $db Index of the connection to get, e.g. DB_MASTER or DB_REPLICA. |
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71 | * @return Database |
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72 | */ |
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73 | public static function getDB( $db ) { |
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81 | |||
82 | /** |
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83 | * Load a BotPassword from the database |
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84 | * @param User $user |
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85 | * @param string $appId |
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86 | * @param int $flags IDBAccessObject read flags |
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87 | * @return BotPassword|null |
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88 | */ |
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89 | public static function newFromUser( User $user, $appId, $flags = self::READ_NORMAL ) { |
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95 | |||
96 | /** |
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97 | * Load a BotPassword from the database |
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98 | * @param int $centralId from CentralIdLookup |
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99 | * @param string $appId |
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100 | * @param int $flags IDBAccessObject read flags |
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101 | * @return BotPassword|null |
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102 | */ |
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103 | public static function newFromCentralId( $centralId, $appId, $flags = self::READ_NORMAL ) { |
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121 | |||
122 | /** |
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123 | * Create an unsaved BotPassword |
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124 | * @param array $data Data to use to create the bot password. Keys are: |
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125 | * - user: (User) User object to create the password for. Overrides username and centralId. |
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126 | * - username: (string) Username to create the password for. Overrides centralId. |
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127 | * - centralId: (int) User central ID to create the password for. |
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128 | * - appId: (string) App ID for the password. |
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129 | * - restrictions: (MWRestrictions, optional) Restrictions. |
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130 | * - grants: (string[], optional) Grants. |
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131 | * @param int $flags IDBAccessObject read flags |
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132 | * @return BotPassword|null |
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133 | */ |
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134 | public static function newUnsaved( array $data, $flags = self::READ_NORMAL ) { |
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176 | |||
177 | /** |
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178 | * Indicate whether this is known to be saved |
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179 | * @return bool |
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180 | */ |
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181 | public function isSaved() { |
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184 | |||
185 | /** |
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186 | * Get the central user ID |
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187 | * @return int |
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188 | */ |
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189 | public function getUserCentralId() { |
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192 | |||
193 | /** |
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194 | * Get the app ID |
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195 | * @return string |
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196 | */ |
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197 | public function getAppId() { |
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200 | |||
201 | /** |
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202 | * Get the token |
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203 | * @return string |
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204 | */ |
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205 | public function getToken() { |
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208 | |||
209 | /** |
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210 | * Get the restrictions |
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211 | * @return MWRestrictions |
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212 | */ |
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213 | public function getRestrictions() { |
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216 | |||
217 | /** |
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218 | * Get the grants |
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219 | * @return string[] |
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220 | */ |
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221 | public function getGrants() { |
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224 | |||
225 | /** |
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226 | * Get the separator for combined user name + app ID |
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227 | * @return string |
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228 | */ |
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229 | public static function getSeparator() { |
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233 | |||
234 | /** |
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235 | * Get the password |
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236 | * @return Password |
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237 | */ |
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238 | protected function getPassword() { |
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260 | |||
261 | /** |
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262 | * Save the BotPassword to the database |
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263 | * @param string $operation 'update' or 'insert' |
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264 | * @param Password|null $password Password to set. |
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265 | * @return bool Success |
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266 | */ |
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267 | public function save( $operation, Password $password = null ) { |
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304 | |||
305 | /** |
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306 | * Delete the BotPassword from the database |
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307 | * @return bool Success |
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308 | */ |
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309 | public function delete() { |
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323 | |||
324 | /** |
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325 | * Invalidate all passwords for a user, by name |
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326 | * @param string $username User name |
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327 | * @return bool Whether any passwords were invalidated |
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328 | */ |
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329 | public static function invalidateAllPasswordsForUser( $username ) { |
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335 | |||
336 | /** |
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337 | * Invalidate all passwords for a user, by central ID |
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338 | * @param int $centralId |
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339 | * @return bool Whether any passwords were invalidated |
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340 | */ |
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341 | public static function invalidateAllPasswordsForCentralId( $centralId ) { |
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357 | |||
358 | /** |
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359 | * Remove all passwords for a user, by name |
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360 | * @param string $username User name |
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361 | * @return bool Whether any passwords were removed |
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362 | */ |
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363 | public static function removeAllPasswordsForUser( $username ) { |
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369 | |||
370 | /** |
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371 | * Remove all passwords for a user, by central ID |
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372 | * @param int $centralId |
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373 | * @return bool Whether any passwords were removed |
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374 | */ |
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375 | public static function removeAllPasswordsForCentralId( $centralId ) { |
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390 | |||
391 | /** |
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392 | * Returns a (raw, unhashed) random password string. |
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393 | * @param Config $config |
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394 | * @return string |
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395 | */ |
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396 | public static function generatePassword( $config ) { |
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400 | |||
401 | /** |
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402 | * There are two ways to login with a bot password: "username@appId", "password" and |
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403 | * "username", "appId@password". Transform it so it is always in the first form. |
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404 | * Returns [bot username, bot password, could be normal password?] where the last one is a flag |
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405 | * meaning this could either be a bot password or a normal password, it cannot be decided for |
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406 | * certain (although in such cases it almost always will be a bot password). |
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407 | * If this cannot be a bot password login just return false. |
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408 | * @param string $username |
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409 | * @param string $password |
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410 | * @return array|false |
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411 | */ |
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412 | public static function canonicalizeLoginData( $username, $password ) { |
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430 | |||
431 | /** |
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432 | * Try to log the user in |
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433 | * @param string $username Combined user name and app ID |
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434 | * @param string $password Supplied password |
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435 | * @param WebRequest $request |
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436 | * @return Status On success, the good status's value is the new Session object |
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437 | */ |
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438 | public static function login( $username, $password, WebRequest $request ) { |
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484 | } |
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485 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..