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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\SecurePoll\Pages; |
| 4 | |
| 5 | /** |
| 6 | * Special:SecurePoll subpage for exporting encrypted election records. |
| 7 | */ |
| 8 | class DumpPage extends ActionPage { |
| 9 | /** @var bool|null */ |
| 10 | public $headersSent; |
| 11 | |
| 12 | /** |
| 13 | * Execute the subpage. |
| 14 | * @param array $params Array of subpage parameters. |
| 15 | */ |
| 16 | public function execute( $params ) { |
| 17 | $out = $this->specialPage->getOutput(); |
| 18 | |
| 19 | if ( !count( $params ) ) { |
| 20 | $out->addWikiMsg( 'securepoll-too-few-params' ); |
| 21 | |
| 22 | return; |
| 23 | } |
| 24 | |
| 25 | $electionId = intval( $params[0] ); |
| 26 | $this->election = $this->context->getElection( $electionId ); |
| 27 | if ( !$this->election ) { |
| 28 | $out->addWikiMsg( 'securepoll-invalid-election', $electionId ); |
| 29 | |
| 30 | return; |
| 31 | } |
| 32 | $this->initLanguage( $this->specialPage->getUser(), $this->election ); |
| 33 | |
| 34 | $out->setPageTitleMsg( $this->msg( 'securepoll-dump-title', $this->election->getMessage( 'title' ) ) ); |
| 35 | |
| 36 | if ( !$this->election->isFinished() ) { |
| 37 | $out->addWikiMsg( |
| 38 | 'securepoll-dump-not-finished', |
| 39 | $this->specialPage->getLanguage()->date( $this->election->getEndDate() ), |
| 40 | $this->specialPage->getLanguage()->time( $this->election->getEndDate() ) |
| 41 | ); |
| 42 | |
| 43 | return; |
| 44 | } |
| 45 | |
| 46 | $isAdmin = $this->election->isAdmin( $this->specialPage->getUser() ); |
| 47 | if ( $this->election->getProperty( 'voter-privacy' ) && !$isAdmin ) { |
| 48 | $out->addWikiMsg( 'securepoll-dump-private' ); |
| 49 | |
| 50 | return; |
| 51 | } |
| 52 | |
| 53 | $this->headersSent = false; |
| 54 | $status = $this->election->dumpVotesToCallback( |
| 55 | [ |
| 56 | $this, |
| 57 | 'dumpVote' |
| 58 | ] |
| 59 | ); |
| 60 | if ( !$status->isOK() && !$this->headersSent ) { |
| 61 | $out->addWikiTextAsInterface( $status->getWikiText() ); |
| 62 | |
| 63 | return; |
| 64 | } |
| 65 | if ( !$this->headersSent ) { |
| 66 | $this->sendHeaders(); |
| 67 | } |
| 68 | echo "</election>\n</SecurePoll>\n"; |
| 69 | } |
| 70 | |
| 71 | public function dumpVote( $election, $row ) { |
| 72 | if ( !$this->headersSent ) { |
| 73 | $this->sendHeaders(); |
| 74 | } |
| 75 | echo "<vote>\n" . htmlspecialchars( rtrim( $row->vote_record ) ) . "\n</vote>\n"; |
| 76 | } |
| 77 | |
| 78 | public function sendHeaders() { |
| 79 | $this->headersSent = true; |
| 80 | $this->specialPage->getOutput()->disable(); |
| 81 | header( 'Content-Type: application/vnd.mediawiki.securepoll' ); |
| 82 | $electionId = $this->election->getId(); |
| 83 | $filename = urlencode( "$electionId-" . wfTimestampNow() . '.securepoll' ); |
| 84 | header( "Content-Disposition: attachment; filename=$filename" ); |
| 85 | echo "<SecurePoll>\n<election>\n" . $this->election->getConfXml(); |
| 86 | $this->context->setLanguages( [ $this->election->getLanguage() ] ); |
| 87 | } |
| 88 | } |