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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Newsletter\Content; |
| 4 | |
| 5 | use JsonContent; |
| 6 | use MediaWiki\MediaWikiServices; |
| 7 | use MediaWiki\Title\Title; |
| 8 | use MediaWiki\User\User; |
| 9 | |
| 10 | /** |
| 11 | * @license GPL-2.0-or-later |
| 12 | * @author tonythomas |
| 13 | */ |
| 14 | class NewsletterContent extends JsonContent { |
| 15 | |
| 16 | /** |
| 17 | * @var string|null |
| 18 | */ |
| 19 | private $description; |
| 20 | |
| 21 | /** |
| 22 | * @var Title |
| 23 | */ |
| 24 | private $mainPage; |
| 25 | |
| 26 | /** |
| 27 | * @var array|null |
| 28 | */ |
| 29 | protected $publishers; |
| 30 | |
| 31 | /** |
| 32 | * Whether $description and $targets have been populated |
| 33 | * @var bool |
| 34 | */ |
| 35 | private $decoded = false; |
| 36 | |
| 37 | /** |
| 38 | * @param string $text |
| 39 | */ |
| 40 | public function __construct( $text ) { |
| 41 | parent::__construct( $text, 'NewsletterContent' ); |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Validate username and make sure it exists |
| 46 | * |
| 47 | * @param string $userName |
| 48 | * @return bool |
| 49 | */ |
| 50 | private function validateUserName( $userName ) { |
| 51 | $user = User::newFromName( $userName ); |
| 52 | if ( !$user ) { |
| 53 | return false; |
| 54 | } |
| 55 | // If this user never existed |
| 56 | if ( !$user->getId() ) { |
| 57 | return false; |
| 58 | } |
| 59 | |
| 60 | return true; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * @return bool |
| 65 | */ |
| 66 | public function isValid() { |
| 67 | $this->decode(); |
| 68 | |
| 69 | if ( !is_string( $this->description ) || !( $this->mainPage instanceof Title ) || |
| 70 | !is_array( $this->publishers ) |
| 71 | ) { |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | foreach ( $this->publishers as $publisher ) { |
| 76 | if ( !$this->validateUserName( $publisher ) ) { |
| 77 | return false; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Decode the JSON encoded args |
| 86 | * |
| 87 | * @return bool |
| 88 | */ |
| 89 | protected function decode() { |
| 90 | if ( $this->decoded ) { |
| 91 | return true; |
| 92 | } |
| 93 | $jsonParse = $this->getData(); |
| 94 | $data = $jsonParse->isGood() ? $jsonParse->getValue() : null; |
| 95 | |
| 96 | if ( $data ) { |
| 97 | $this->description = $data->description ?? null; |
| 98 | $this->mainPage = !empty( $data->mainpage ) ? Title::newFromText( $data->mainpage ) : |
| 99 | Title::makeTitle( NS_SPECIAL, 'Badtitle' ); |
| 100 | if ( isset( $data->publishers ) && is_array( $data->publishers ) ) { |
| 101 | $this->publishers = []; |
| 102 | foreach ( $data->publishers as $publisher ) { |
| 103 | if ( !is_string( $publisher ) ) { |
| 104 | $this->publishers = null; |
| 105 | break; |
| 106 | } |
| 107 | $this->publishers[] = $publisher; |
| 108 | } |
| 109 | } else { |
| 110 | $this->publishers = null; |
| 111 | } |
| 112 | } |
| 113 | $this->decoded = true; |
| 114 | return true; |
| 115 | } |
| 116 | |
| 117 | public function onSuccess() { |
| 118 | // No-op: We have already redirected. |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * @return string |
| 123 | */ |
| 124 | public function getDescription() { |
| 125 | $this->decode(); |
| 126 | return $this->description; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * @return Title |
| 131 | */ |
| 132 | public function getMainPage() { |
| 133 | $this->decode(); |
| 134 | return $this->mainPage; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * @return array |
| 139 | */ |
| 140 | public function getPublishers() { |
| 141 | $this->decode(); |
| 142 | return $this->publishers; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Override TextContent::getTextForSummary |
| 147 | * @param int $maxLength Maximum length, in characters (not bytes). |
| 148 | * @return string |
| 149 | */ |
| 150 | public function getTextForSummary( $maxLength = 250 ) { |
| 151 | $contLang = MediaWikiServices::getInstance()->getContentLanguage(); |
| 152 | |
| 153 | $truncatedtext = $contLang->truncateForVisual( |
| 154 | preg_replace( "/[\n\r]/", ' ', $this->getDescription() ), max( 0, $maxLength ) |
| 155 | ); |
| 156 | |
| 157 | return $truncatedtext; |
| 158 | } |
| 159 | |
| 160 | } |