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| 1 | <?php |
| 2 | |
| 3 | namespace TwoColConflict; |
| 4 | |
| 5 | use MediaWiki\Request\WebRequest; |
| 6 | |
| 7 | /** |
| 8 | * @license GPL-2.0-or-later |
| 9 | */ |
| 10 | class ConflictFormValidator { |
| 11 | |
| 12 | /** |
| 13 | * Check whether inputs are valid. Note that a POST without conflict fields is considered |
| 14 | * valid. |
| 15 | * |
| 16 | * @param WebRequest $request |
| 17 | * @return bool True when valid |
| 18 | */ |
| 19 | public function validateRequest( WebRequest $request ): bool { |
| 20 | $contentRows = $request->getArray( 'mw-twocolconflict-split-content' ); |
| 21 | if ( $contentRows === null ) { |
| 22 | // Not a conflict form. |
| 23 | return true; |
| 24 | } |
| 25 | if ( $contentRows === [] ) { |
| 26 | // Empty conflict form is bad. |
| 27 | return false; |
| 28 | } |
| 29 | |
| 30 | $sideSelection = $request->getArray( 'mw-twocolconflict-side-selector', [] ); |
| 31 | if ( $sideSelection ) { |
| 32 | return $this->validateSideSelection( $contentRows, $sideSelection ); |
| 33 | } |
| 34 | |
| 35 | if ( $request->getBool( 'mw-twocolconflict-single-column-view' ) ) { |
| 36 | return $this->validateSingleColumnForm( $contentRows ); |
| 37 | } |
| 38 | |
| 39 | return false; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * @param array[] $contentRows |
| 44 | * @param string[] $sideSelection |
| 45 | * |
| 46 | * @return bool |
| 47 | */ |
| 48 | private function validateSideSelection( array $contentRows, array $sideSelection ): bool { |
| 49 | foreach ( $contentRows as $num => $row ) { |
| 50 | $side = $sideSelection[$num] ?? 'copy'; |
| 51 | if ( !isset( $row[$side] ) || !is_string( $row[$side] ) ) { |
| 52 | return false; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | return true; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * @param array[] $contentRows |
| 61 | * |
| 62 | * @return bool |
| 63 | */ |
| 64 | private function validateSingleColumnForm( array $contentRows ): bool { |
| 65 | foreach ( $contentRows as $num => $row ) { |
| 66 | if ( !is_array( $row ) || count( $row ) !== 1 ) { |
| 67 | // Must be an array with exactly one column. |
| 68 | return false; |
| 69 | } |
| 70 | $key = key( $row ); |
| 71 | if ( !in_array( $key, [ 'copy', 'other', 'your' ] ) ) { |
| 72 | // Illegal key. |
| 73 | return false; |
| 74 | } |
| 75 | if ( !is_string( $row[$key] ) ) { |
| 76 | // Contents must be a plain string. |
| 77 | return false; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | } |