X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=blobdiff_plain;f=includes%2FProtectionForm.php;h=51c29233852f7ae97e181ffe4027d19ae67b27ec;hp=53608e849a39eb720f3c155c09ca4682f81b73e8;hb=a2c8c2969420a0f150c03f76e3a0bf9028fcda43;hpb=eed40548aebee311531108460da91c39296656e9

diff --git a/includes/ProtectionForm.php b/includes/ProtectionForm.php
index 53608e849a..51c2923385 100644
--- a/includes/ProtectionForm.php
+++ b/includes/ProtectionForm.php
@@ -349,7 +349,9 @@ class ProtectionForm {
 		$user = $context->getUser();
 		$output = $context->getOutput();
 		$lang = $context->getLanguage();
-		$cascadingRestrictionLevels = $context->getConfig()->get( 'CascadingRestrictionLevels' );
+		$conf = $context->getConfig();
+		$cascadingRestrictionLevels = $conf->get( 'CascadingRestrictionLevels' );
+		$oldCommentSchema = $conf->get( 'CommentTableSchemaMigrationStage' ) === MIGRATION_OLD;
 		$out = '';
 		if ( !$this->disabled ) {
 			$output->addModules( 'mediawiki.legacy.protect' );
@@ -494,6 +496,13 @@ class ProtectionForm {
 				$this->mReasonSelection,
 				'mwProtect-reason', 4 );
 
+			// HTML maxlength uses "UTF-16 code units", which means that characters outside BMP
+			// (e.g. emojis) count for two each. This limit is overridden in JS to instead count
+			// Unicode codepoints (or 180 UTF-8 bytes for old schema).
+			// Subtract arbitrary 75 to leave some space for the autogenerated null edit's summary
+			// and other texts chosen by dropdown menus on this page.
+			$maxlength = $oldCommentSchema ? 180 : CommentStore::COMMENT_CHARACTER_LIMIT - 75;
+
 			$out .= Xml::openElement( 'table', [ 'id' => 'mw-protect-table3' ] ) .
 				Xml::openElement( 'tbody' );
 			$out .= "
@@ -511,10 +520,7 @@ class ProtectionForm {
 					</td>
 					<td class='mw-input'>" .
 						Xml::input( 'mwProtect-reason', 60, $this->mReason, [ 'type' => 'text',
-							'id' => 'mwProtect-reason', 'maxlength' => 180 ] ) .
-							// Limited maxlength as the database trims at 255 bytes and other texts
-							// chosen by dropdown menus on this page are also included in this database field.
-							// The byte limit of 180 bytes is enforced in javascript
+							'id' => 'mwProtect-reason', 'maxlength' => $maxlength ] ) .
 					"</td>
 				</tr>";
 			# Disallow watching is user is not logged in