{"id":232107,"date":"2023-01-20T14:37:00","date_gmt":"2023-01-20T11:37:00","guid":{"rendered":"https:\/\/wordpress.mediadoma.com\/?p=232107"},"modified":"2023-01-29T09:46:33","modified_gmt":"2023-01-29T06:46:33","slug":"den-baesta-effektiva-anti-spam-php-koddetektering-foer-wordpress","status":"publish","type":"post","link":"https:\/\/wordpress.mediadoma.com\/sv\/den-baesta-effektiva-anti-spam-php-koddetektering-foer-wordpress\/","title":{"rendered":"Den b\u00e4sta effektiva anti-spam PHP-koddetektering f\u00f6r WordPress"},"content":{"rendered":"

En wordpress-blogg kan ta emot mer \u00e4n 100 spamkommentarer (producerade av spamrobotar) om dagen, vilket \u00e4r irriterande.<\/p>\n

\"Den<\/a><\/p>\n

wordpress-spam<\/p>\n

I allm\u00e4nhet kan dessa f\u00e5ngas in av plugins som Akismet, men dessa data bevaras fortfarande i databasen innan de besk\u00e4rs<\/a> manuellt eller efter utg\u00e5ngsdatum<\/a>.<\/p>\n

LEONA<\/a> tillhandah\u00e5ller en smart l\u00f6sning f\u00f6r att f\u00f6rhindra att dessa skr\u00e4ppostkommentarer ens hamnar i databasen i f\u00f6rsta hand. Det bygger p\u00e5 att l\u00e4gga ett dolt f\u00e4lt i formul\u00e4ret och st\u00e4lla in ett v\u00e4rde n\u00e4r anv\u00e4ndaren trycker p\u00e5 en tangent (onkeyup). S\u00e5 om v\u00e4rdena inte st\u00e4mmer \u00f6verens tror vi att det inte \u00e4r inl\u00e4mnat av m\u00e4nniskor.<\/p>\n

wordpress tillhandah\u00e5ller preprocess_comment-<\/strong> filtret, s\u00e5 att du kan kontrollera kommentarerna och avsluta sidan med wp_die()<\/strong> tidigare.<\/p>\n

WP Official API s\u00e4ger (https:\/\/codex.wordpress.org\/Plugin_API\/Filter_Reference\/preprocess_comment<\/a> ), $commentdata inneh\u00e5ller f\u00f6ljande information:<\/p>\n

'comment_post_ID' \u00a0 \u00a0 \u00a0- The post to which the comment will apply\n\u00a0 \u00a0'comment_author' \u00a0 \u00a0 \u00a0 - (may be empty)\n\u00a0 \u00a0'comment_author_email' - (may be empty)\n\u00a0 \u00a0'comment_author_url' \u00a0 - (may be empty)\n\u00a0 \u00a0'comment_content' \u00a0 \u00a0 \u00a0- The text of the proposed comment\n\u00a0 \u00a0'comment_type' \u00a0 \u00a0 \u00a0 \u00a0 - 'pingback', 'trackback', or empty for regular comments\n\u00a0 \u00a0'user_ID' \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0- (empty if not logged in)<\/code><\/pre>\n
Vi kan sedan anv\u00e4nda detta plugin f\u00f6r att till\u00e5ta pingback\/trackback (vilket jag tror \u00e4r anv\u00e4ndbart) och effektivt bli av med spamkommentarerna.<\/p>\n
$leonax_magic_lower = 328;\n$leonax_magic_upper = 3450709;\n\u00a0\nfunction leonax_anti_spam_form($fields){\n\u00a0 \u00a0 global $leonax_magic_lower, $leonax_magic_upper;\n\u00a0 \u00a0 $leonax_magic = mt_rand($leonax_magic_lower, $leonax_magic_upper);\n\u00a0 \u00a0 $fields['leonax_magic'] = <<<EOT\n\u00a0 \u00a0 \u00a0 \u00a0 <input type=\"hidden\" id=\"leonax-magic\" name=\"leonax-magic\" value=\"0\">\n\u00a0 \u00a0 \u00a0 \u00a0 <script type=\"text\/javascript\">\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 jQuery(function() {\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 jQuery(\"#comment\").on(\"keyup\", function() {\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 jQuery(\"#leonax-magic\").val(\"$leonax_magic\");\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 });\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 })\n\u00a0 \u00a0 \u00a0 \u00a0 <\/script>\nEOT;\n\u00a0 \u00a0 return $fields;\n}\n\u00a0\nadd_filter('comment_form_default_fields', 'leonax_anti_spam_form');\n\u00a0\nfunction leonax_anit_spam_caught() {\n\u00a0 wp_die('<strong>ERROR<\/strong>: Looks like you are a spam bot. Please stop doing this.');\n}\n\u00a0\nfunction leonax_anti_spam_check( $commentdata) {\n\u00a0 $comment_type = '';\n\u00a0 if (isset($commentdata['comment_type'])) {\n\u00a0 \u00a0 $comment_type = trim($commentdata['comment_type']);\n\u00a0 } \u00a0 \n\u00a0 \n\u00a0if (($comment_type == 'pingback') || ($comment_type == 'trackback')) {\n\u00a0 \u00a0 return $commentdata;\n\u00a0 }\n\u00a0 $content = '';\n\u00a0 if (isset($commentdata['comment_content'])) {\n\u00a0 \u00a0 $content = trim($commentdata['comment_content']);\n\u00a0 } \u00a0 \n\u00a0 if (!strlen($content)) {\n\u00a0 \u00a0 leonax_anit_spam_caught();\n\u00a0 }\n\u00a0 \n\u00a0 if (preg_match(\"\/[a-e0-9]{25,}\/i\", $content)) { \/\/ To capture the strange IDs\n\u00a0 \u00a0 leonax_anit_spam_caught(); \u00a0\n\u00a0 }\n\u00a0\n\u00a0 global $leonax_magic_lower, $leonax_magic_upper; \u00a0\n\u00a0 \n\u00a0 if (isset($commentdata['user_ID']) && $commentdata['user_ID']) { \/\/ Login-users are not bad\n\u00a0 \u00a0 return $commentdata;\n\u00a0 }\n\u00a0 \n\u00a0 if (!isset($_POST['leonax-magic'])) {\n\u00a0 \u00a0 leonax_anit_spam_caught();\n\u00a0 }\n\u00a0 $magic = intval($_POST['leonax-magic']);\n\u00a0 if ($magic < $leonax_magic_lower || $magic > $leonax_magic_upper) {\n\u00a0 \u00a0 leonax_anit_spam_caught();\n\u00a0 }\n\u00a0 return $commentdata;\n}\n\u00a0\nadd_filter( 'preprocess_comment', 'leonax_anti_spam_check' );<\/code><\/pre>\n
Om vi \u200b\u200btestar funktionen\/filtret genom att ange de konstiga ID:n med flit f\u00e5r vi f\u00f6ljande (och kommentaren skrivs inte in i v\u00e4ntan).<\/p>\n
Obs: S\u00e4tt ovanst\u00e5ende kod i slutet av functions.php<\/strong> mall (eller underordnat tema).<\/p>\n
\"Den<\/a><\/p>\n
wordpress-spam-detect<\/p>\n
Det fungerar som en magi!<\/p>\n
Inspelningsk\u00e4lla:  helloacm.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
Den b\u00e4sta effektiva anti-spam PHP koddetektering f\u00f6r WordPress<\/p>\n","protected":false},"author":1,"featured_media":223984,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[848,807,1034,724,868],"tags":[1173],"class_list":["post-232107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-handledningar","category-php-9","category-sakerhet","category-utvecklaren","category-wordpress-9","tag-affiai-sv"],"_links":{"self":[{"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts\/232107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/comments?post=232107"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts\/232107\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/media\/223984"}],"wp:attachment":[{"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/media?parent=232107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/categories?post=232107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/sv\/wp-json\/wp\/v2\/tags?post=232107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}