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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\SecurePoll\Pages; |
| 4 | |
| 5 | use JobQueueGroup; |
| 6 | use JobSpecification; |
| 7 | use MediaWiki\Extension\SecurePoll\Entities\Election; |
| 8 | use MediaWiki\Extension\SecurePoll\SpecialSecurePoll; |
| 9 | use MediaWiki\Status\Status; |
| 10 | use MediaWiki\Title\Title; |
| 11 | |
| 12 | /** |
| 13 | * SecurePoll subpage to show a list of votes for a given election. |
| 14 | * Provides an administrator interface for striking fraudulent votes. |
| 15 | */ |
| 16 | class ListPage extends ActionPage { |
| 17 | /** @var Election */ |
| 18 | public $election; |
| 19 | |
| 20 | /** @var JobQueueGroup */ |
| 21 | private $jobQueueGroup; |
| 22 | |
| 23 | /** |
| 24 | * @param SpecialSecurePoll $specialPage |
| 25 | * @param JobQueueGroup $jobQueueGroup |
| 26 | */ |
| 27 | public function __construct( |
| 28 | SpecialSecurePoll $specialPage, |
| 29 | JobQueueGroup $jobQueueGroup |
| 30 | ) { |
| 31 | parent::__construct( $specialPage ); |
| 32 | $this->jobQueueGroup = $jobQueueGroup; |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Execute the subpage. |
| 37 | * @param array $params Array of subpage parameters. |
| 38 | */ |
| 39 | public function execute( $params ) { |
| 40 | $out = $this->specialPage->getOutput(); |
| 41 | $out->enableOOUI(); |
| 42 | |
| 43 | if ( !count( $params ) ) { |
| 44 | $out->addWikiMsg( 'securepoll-too-few-params' ); |
| 45 | |
| 46 | return; |
| 47 | } |
| 48 | |
| 49 | $electionId = intval( $params[0] ); |
| 50 | $this->election = $this->context->getElection( $electionId ); |
| 51 | if ( !$this->election ) { |
| 52 | $out->addWikiMsg( 'securepoll-invalid-election', $electionId ); |
| 53 | |
| 54 | return; |
| 55 | } |
| 56 | $this->initLanguage( $this->specialPage->getUser(), $this->election ); |
| 57 | |
| 58 | $out->setPageTitleMsg( $this->msg( 'securepoll-list-title', $this->election->getMessage( 'title' ) ) ); |
| 59 | |
| 60 | $isAdmin = $this->election->isAdmin( $this->specialPage->getUser() ); |
| 61 | |
| 62 | if ( $this->election->getProperty( 'voter-privacy' ) && !$isAdmin ) { |
| 63 | $out->addWikiMsg( 'securepoll-list-private' ); |
| 64 | |
| 65 | return; |
| 66 | } |
| 67 | |
| 68 | $dbr = $this->election->context->getDB( DB_REPLICA ); |
| 69 | |
| 70 | $res = $dbr->newSelectQueryBuilder() |
| 71 | ->select( 'vote_voter' ) |
| 72 | ->distinct() |
| 73 | ->from( 'securepoll_votes' ) |
| 74 | ->where( [ |
| 75 | 'vote_election' => $this->election->getId(), |
| 76 | 'vote_struck' => 0 |
| 77 | ] ) |
| 78 | ->caller( __METHOD__ ) |
| 79 | ->fetchResultSet(); |
| 80 | $distinct_voters = $res->numRows(); |
| 81 | |
| 82 | $res = $dbr->newSelectQueryBuilder() |
| 83 | ->select( 'vote_id' ) |
| 84 | ->from( 'securepoll_votes' ) |
| 85 | ->where( [ |
| 86 | 'vote_election' => $this->election->getId() |
| 87 | ] ) |
| 88 | ->caller( __METHOD__ ) |
| 89 | ->fetchResultSet(); |
| 90 | $all_votes = $res->numRows(); |
| 91 | |
| 92 | $res = $dbr->newSelectQueryBuilder() |
| 93 | ->select( 'vote_id' ) |
| 94 | ->from( 'securepoll_votes' ) |
| 95 | ->where( [ |
| 96 | 'vote_election' => $this->election->getId(), |
| 97 | 'vote_current' => 0 |
| 98 | ] ) |
| 99 | ->caller( __METHOD__ ) |
| 100 | ->fetchResultSet(); |
| 101 | $not_current_votes = $res->numRows(); |
| 102 | |
| 103 | $res = $dbr->newSelectQueryBuilder() |
| 104 | ->select( 'vote_id' ) |
| 105 | ->from( 'securepoll_votes' ) |
| 106 | ->where( [ |
| 107 | 'vote_election' => $this->election->getId(), |
| 108 | 'vote_struck' => 1 |
| 109 | ] ) |
| 110 | ->caller( __METHOD__ ) |
| 111 | ->fetchResultSet(); |
| 112 | $struck_votes = $res->numRows(); |
| 113 | |
| 114 | $out->addHTML( |
| 115 | '<div id="mw-poll-stats">' . $this->msg( 'securepoll-voter-stats' )->numParams( |
| 116 | $distinct_voters |
| 117 | )->parseAsBlock() . $this->msg( 'securepoll-vote-stats' )->numParams( |
| 118 | $all_votes, |
| 119 | $not_current_votes, |
| 120 | $struck_votes |
| 121 | )->parseAsBlock() . '</div>' |
| 122 | ); |
| 123 | |
| 124 | $pager = new ListPager( $this ); |
| 125 | |
| 126 | // If an admin is viewing the votes, log it |
| 127 | $securePollUseLogging = $this->specialPage->getConfig()->get( 'SecurePollUseLogging' ); |
| 128 | if ( $isAdmin && $securePollUseLogging ) { |
| 129 | $fields = [ |
| 130 | 'spl_election_id' => $electionId, |
| 131 | 'spl_user' => $this->specialPage->getUser()->getId(), |
| 132 | 'spl_type' => self::LOG_TYPE_VIEWVOTES, |
| 133 | |
| 134 | ]; |
| 135 | $this->jobQueueGroup->push( |
| 136 | new JobSpecification( |
| 137 | 'securePollLogAdminAction', |
| 138 | [ 'fields' => $fields ], |
| 139 | [], |
| 140 | $this->getTitle() |
| 141 | ) |
| 142 | ); |
| 143 | } |
| 144 | |
| 145 | $out->addHTML( $pager->getLimitForm() . $pager->getNavigationBar() ); |
| 146 | $out->addParserOutputContent( $pager->getBodyOutput() ); |
| 147 | $out->addHTML( $pager->getNavigationBar() ); |
| 148 | if ( $isAdmin ) { |
| 149 | $out->addJsConfigVars( 'SecurePollSubPage', 'list' ); |
| 150 | $out->addModules( 'ext.securepoll.htmlform' ); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * The strike/unstrike backend. |
| 156 | * @param string $action strike or unstrike |
| 157 | * @param int $voteId The vote ID |
| 158 | * @param string $reason The reason |
| 159 | * @return Status |
| 160 | */ |
| 161 | public function strike( $action, $voteId, $reason ) { |
| 162 | $dbw = $this->context->getDB(); |
| 163 | // this still gives the securepoll-need-admin error when an admin tries to |
| 164 | // delete a nonexistent vote. |
| 165 | if ( !$this->election->isAdmin( $this->specialPage->getUser() ) ) { |
| 166 | return Status::newFatal( 'securepoll-need-admin' ); |
| 167 | } |
| 168 | if ( $action != 'strike' ) { |
| 169 | $action = 'unstrike'; |
| 170 | } |
| 171 | |
| 172 | $dbw->startAtomic( __METHOD__ ); |
| 173 | // Add it to the strike log |
| 174 | $dbw->newInsertQueryBuilder() |
| 175 | ->insertInto( 'securepoll_strike' ) |
| 176 | ->row( [ |
| 177 | 'st_vote' => $voteId, |
| 178 | 'st_timestamp' => wfTimestampNow(), |
| 179 | 'st_action' => $action, |
| 180 | 'st_reason' => $reason, |
| 181 | 'st_user' => $this->specialPage->getUser()->getId() |
| 182 | ] ) |
| 183 | ->caller( __METHOD__ ) |
| 184 | ->execute(); |
| 185 | // Update the status cache |
| 186 | $dbw->newUpdateQueryBuilder() |
| 187 | ->update( 'securepoll_votes' ) |
| 188 | ->set( [ 'vote_struck' => intval( $action == 'strike' ) ] ) |
| 189 | ->where( [ 'vote_id' => $voteId ] ) |
| 190 | ->caller( __METHOD__ ) |
| 191 | ->execute(); |
| 192 | $dbw->endAtomic( __METHOD__ ); |
| 193 | |
| 194 | return Status::newGood(); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * @return Title object |
| 199 | */ |
| 200 | public function getTitle() { |
| 201 | return $this->specialPage->getPageTitle( 'list/' . $this->election->getId() ); |
| 202 | } |
| 203 | } |