Fo0bar has submitted this change and it was merged.

Change subject: Use === for comparisons
......................................................................


Use === for comparisons

"$testhash == $computedhash" may allow for increased collision probability,
due to PHP's loose type handling, so use ===.

Thanks to Alyssa Milburn for discovering this.

Change-Id: I612e7df65c925df31c9c71136791fa1e93a99783
---
M SecureHTML.php
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  Fo0bar: Verified; Looks good to me, approved
  jenkins-bot: Checked



diff --git a/SecureHTML.php b/SecureHTML.php
index 90f1fd1..1f39c21 100644
--- a/SecureHTML.php
+++ b/SecureHTML.php
@@ -82,7 +82,7 @@
        }
 
        # If the array is empty, there is no possible way this will work.
-       if ( count( $wgSecureHTMLSecrets ) == 0 ) {
+       if ( count( $wgSecureHTMLSecrets ) === 0 ) {
                return( Html::rawElement( 'div', array( 'class' => 'error' ), 
wfMessage( 'securehtml-nokeys' ) ) );
        }
 
@@ -117,7 +117,7 @@
        $testhash = hash_hmac( $keyalgorithm, $input, $keysecret );
 
        # If the test hash matches the supplied hash, return the raw HTML.  
Otherwise, error.
-       if ( $testhash == $argv['hash'] ) {
+       if ( $testhash === $argv['hash'] ) {
                return( array( $input, 'markerType' => 'nowiki' ) );
        } else {
                return( Html::rawElement( 'div', array( 'class' => 'error' ), 
wfMessage( 'securehtml-invalidhash' ) ) );

-- 
To view, visit https://gerrit.wikimedia.org/r/300760
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Gerrit-MessageType: merged
Gerrit-Change-Id: I612e7df65c925df31c9c71136791fa1e93a99783
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/extensions/SecureHTML
Gerrit-Branch: master
Gerrit-Owner: Fo0bar <r...@finnie.org>
Gerrit-Reviewer: Fo0bar <r...@finnie.org>
Gerrit-Reviewer: jenkins-bot <>

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