{"id":332,"date":"2013-11-08T10:38:58","date_gmt":"2013-11-08T02:38:58","guid":{"rendered":"http:\/\/www.zyuns.com\/?p=332"},"modified":"2015-10-22T15:27:57","modified_gmt":"2015-10-22T07:27:57","slug":"discuz-x2-yan-zheng-ma-de-chan-sheng-ji-yan-zheng","status":"publish","type":"post","link":"https:\/\/www.siediyer.cn\/?p=332","title":{"rendered":"Discuz! X2\u9a8c\u8bc1\u7801\u7684\u4ea7\u751f\u53ca\u9a8c\u8bc1"},"content":{"rendered":"<div>\n<p><strong>\u4e00\u3001\u9a8c\u8bc1\u7801\u7684\u4ea7\u751f<\/strong><\/p>\n<p><strong>1\u3001\u5982\u4f55\u5728\u6a21\u677f\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u9a8c\u8bc1\u7801<\/strong><br \/>\n\u5728X2\u4e2d\u9a8c\u8bc1\u7801\u7684\u6a21\u677f\u90e8\u5206\u72ec\u7acb\u4e3a\u4e00\u4e2a\u6a21\u677f\u6587\u4ef6\uff08template\/default\/common\/seccheck.htm\uff09\uff0c\u4f9b\u5404\u4e2a\u5730\u65b9\u8c03\u7528\u3002<br \/>\n\u5728\u6a21\u677f\u4e2d\u53ef\u4ee5\u6dfb\u52a0\u5982\u4e0b\u4ee3\u7801\u6765\u8c03\u7528\u9a8c\u8bc1\u7801\u6a21\u677f\u90e8\u5206\uff1a<\/p>\n<div>\n<div id=\"code_CuN\">\n<ol>\n<li>&lt;!&#8211;{eval $seccodecheck = 1;}&#8211;&gt;<\/li>\n<li>&lt;!&#8211;{eval $sectpl = &#8216;&lt;tr&gt;&lt;th&gt;&lt;sec&gt;&lt;\/th&gt;&lt;td&gt;&lt;sec&gt;&lt;p class=&#8221;d&#8221;&gt;&lt;sec&gt;&lt;\/p&gt;&lt;\/td&gt;&#8217;;}&#8211;&gt;<\/li>\n<li>&lt;!&#8211;{subtemplate common\/seccheck}&#8211;&gt;<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u89e3\u91ca\u4e0b\u8fd9\u4e09\u53e5\u8bdd\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>\u7b2c\u4e00\u53e5\u7684\u610f\u601d\u4e3a\uff0c\u6211\u8981\u5f00\u542f\u9a8c\u8bc1\u7801\uff0c\u5373 $seccodecheck<\/p>\n<p>\u53d8\u91cf<\/p>\n<p>\u5fc5\u987b\u4e3a\u771f\uff0c\u5c31\u8868\u793a\u5f53\u524d\u9875\u9762\u8981\u5f00\u542f\u9a8c\u8bc1\u7801\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u7b2c\u4e8c\u53e5\u7684\u610f\u601d\u4e3a\uff0c\u7ed9\u8981\u663e\u793a\u51fa\u6765\u7684\u9a8c\u8bc1\u7801\u8bbe\u7f6e\u4e00\u4e2a\u663e\u793a\u7684\u6a21\u677f\u683c\u5f0f\uff0c$sectpl \u8fd9\u4e2a\u53d8\u91cf\u5bf9\u5e94\u7684\u5c31\u662f\u6a21\u677f\uff0c\u8bbe\u7f6e $sectpl \u53ef\u4ee5\u8ba9\u9a8c\u8bc1\u7801\u7684\u663e\u793a\u4e0e\u5f53\u524d\u9875\u9762\u7684\u683c\u5f0f\u66f4\u597d\u7684\u7ed3\u5408\u3002\u4ece\u793a\u4f8b\u7684\u6a21\u677f\u4ee3\u7801\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u53ea\u6709 &lt;sec&gt; \u4e0d\u5c5e\u4e8e HMTL \u6807\u51c6\u4ee3\u7801\uff0c\u800c\u4e14\u51fa\u73b0\u4e86 3 \u6b21\uff0c\u8fd9 3 \u6b21\u5206\u522b\u4ee3\u8868\uff1a\u201c\u9a8c\u8bc1\u7801\u201d\u6587\u5b57\u3001\u9a8c\u8bc1\u7801\u8f93\u5165\u6846\u3001\u9a8c\u8bc1\u7801\u56fe\u7247\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-669\" src=\"http:\/\/www.siediyer.cn\/wp-content\/uploads\/2015\/10\/ff82e85b8446f74508e436e0c4f19d45.png\" width=\"312\" height=\"127\" alt=\"1.png\" title=\"1.png\" srcset=\"https:\/\/qiniu.shijitianchen.com\/2015\/10\/ff82e85b8446f74508e436e0c4f19d45.png 312w, https:\/\/qiniu.shijitianchen.com\/2015\/10\/ff82e85b8446f74508e436e0c4f19d45-300x122.png 300w\" sizes=\"auto, (max-width: 312px) 100vw, 312px\" \/><\/p>\n<p>\u8fd9\u6837\u5c31\u53ef\u4ee5\u628a\u9a8c\u8bc1\u7801\u4e0d\u540c\u7684\u90e8\u5206\u5408\u7406\u7684\u5b89\u653e\u5728\u60a8\u7684\u9875\u9762\u4e2d\u4e86\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u7b2c\u4e09\u53e5\u7684\u610f\u601d\u4e3a\uff0c\u5c06\u72ec\u7acb\u7684\u9a8c\u8bc1\u7801\u6a21\u677f\u5408\u5e76\u5230\u5f53\u524d\u9875\u9762\u4e2d\uff0c\u4e0e\u5f53\u524d\u9875\u9762\u7684\u6a21\u677f\u4e00\u540c\u8f93\u51fa\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5728\u6a21\u677f\u4e2d\u6dfb\u52a0\u4e0a\u5982\u4e0a\u7684\u4ee3\u7801\u540e\uff0c\u5237\u65b0\u9875\u9762\u5c31\u53ef\u4ee5\u770b\u5230\u9a8c\u8bc1\u7801\u90e8\u5206\u4e86\u3002<\/p>\n<p><strong>2\u3001\u9a8c\u8bc1\u7801\u7684\u751f\u6210\u6d41\u7a0b<\/strong><\/p>\n<p>\uff08\u4ee5X2\u9ed8\u8ba4\u8bbe\u7f6e\u7684\u201c\u82f1\u6587\u56fe\u7247\u9a8c\u8bc1\u7801\u201d\u4e3a\u4f8b\uff09<\/p>\n<p>&nbsp;<\/p>\n<p>1\uff09\u521a\u51fa\u73b0\u7684\u9a8c\u8bc1\u7801\u4f1a\u9ed8\u8ba4\u6267\u884c\u4e00\u6bb5 JS \u4ee3\u7801<\/p>\n<div>\n<div id=\"code_M1C\">\n<ol>\n<li>&lt;script type=&#8221;text\/javascript&#8221; reload=&#8221;1&#8243;&gt;updateseccode(&#8216;SQq29j20&#8217;);&lt;\/script&gt;<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u6267 \u884c\u7684 JS \u4e3b\u8981\u5c31\u662f\u6267\u884c\u4e86 updateseccode \u8fd9\u4e2a\u51fd\u6570\uff0c\u76f4\u63a5\u70b9\u51fb\u9a8c\u8bc1\u7801\u56fe\u7247\u6267\u884c\u7684\u4e5f\u662f\u8fd9\u4e2a\u51fd\u6570\u3002\u51fd\u6570\u4e2d\u7684 &#8216;SQq29j20&#8217; \u662f\u5f53\u524d\u9875\u9762\u9a8c\u8bc1\u7801\u7684\u552f\u4e00\u5b57\u7b26\u4e32 idhash\uff0c\u4ed6\u662f\u7531\u662f\u5426\u4e3aAjax\u8bf7\u6c42\u3001session id\u3001\u81ea\u589e\u6570\u5b57\u7ec4\u6210\uff0c\u6b64\u5904\u4e0d\u5fc5\u6df1\u7a76\u5176\u542b\u4e49\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>2\uff09updateseccode \u51fd\u6570\u5728 static\/js\/common.js \u4e2d<\/p>\n<div>\n<div id=\"code_zcZ\">\n<ol>\n<li>function updateseccode(idhash, play) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$F(&#8216;_updateseccode&#8217;, arguments);<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u901a\u8fc7\u4e0a\u9762\u4ee3\u7801\u53ef\u4ee5\u770b\u5230\uff0cupdateseccode \u53c8\u8c03\u7528\u4e86 _updateseccode \u79c1\u6709\u51fd\u6570\uff0c_updateseccode \u51fd\u6570\u5728 static\/js\/common_extra.js \u6587\u4ef6\u4e2d<\/p>\n<div>\n<div id=\"code_12D\">\n<ol>\n<li>function _updateseccode(idhash, play) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if(isUndefined(play)) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 if($(&#8216;seccode_&#8217; + idhash)) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0$(&#8216;seccodeverify_&#8217; + idhash).value = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0if(secST[&#8216;code_&#8217; + idhash]) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0clearTimeout(secST[&#8216;code_&#8217; + idhash]);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0$(&#8216;checkseccodeverify_&#8217; + idhash).innerHTML = &#8216;&lt;img src=&#8221;&#8216;+%20IMGDIR%20+%20&#8217;\/none.gif&#8221; width=&#8221;16&#8243; height=&#8221;16&#8243; \/&gt;&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0ajaxget(&#8216;misc.php?mod=seccode&amp;action=update&amp;idhash=&#8217; + idhash, &#8216;seccode_&#8217; + idhash, null, &#8221;, &#8221;, function() {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0secST[&#8216;code_&#8217; + idhash] = setTimeout(function() {$(&#8216;seccode_&#8217; + idhash).innerHTML = &#8216;&lt;span class=&#8221;xi2 cur1&#8243; onclick=&#8221;updateseccode(&#8221;+idhash+&#8221;)&#8221;&gt;\u5237\u65b0\u9a8c\u8bc1\u7801&lt;\/span&gt;&#8217;;}, 180000);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0});<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 }<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0} else {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 eval(&#8216;window.document.seccodeplayer_&#8217; + idhash + &#8216;.SetVariable(&#8220;isPlay&#8221;, &#8220;1&#8221;)&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u8fd9\u6bb5 JS \u4ee3\u7801\u6709\u4e24\u4e2a\u542b\u4e49\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e00\u662f\u901a\u8fc7 ajaxget \u8bf7\u6c42\u4e86 misc.php?mod=seccode&amp;action=update&amp;idhash=xxxx \u8fd9\u6837\u4e00\u4e2a\u5730\u5740<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e8c\u662f\u8bbe\u5b9a\u4e86\u4e00\u4e2a<\/p>\n<p>\u5b9a\u65f6\u5668<\/p>\n<p>\uff0c\u4ece\u663e\u793a\u4e86\u9a8c\u8bc1\u7801\u5f00\u59cb\uff0c3\u5206\u949f\u540e\u81ea\u52a8\u5c06\u9a8c\u8bc1\u7801\u56fe\u7247\u6362\u4e3a\u201c\u5237\u65b0\u9a8c\u8bc1\u7801\u201d\u7684\u6587\u5b57\uff0c\u70b9\u51fb\u8be5\u6587\u5b57\u5c31\u6267\u884c updateseccode \u8fd9\u4e2a\u51fd\u6570\uff0c\u91cd\u65b0\u66f4\u65b0\u9a8c\u8bc1\u7801\u3002\u7531\u6b64\u53ef\u4ee5\u770b\u51fa\uff0c\u6b64\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5f88\u597d\u7684\u89e3\u51b3\u9a8c\u8bc1\u7801\u8fc7\u671f\u7684\u95ee\u9898\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>3\uff09\u627e\u5230\u901a\u8fc7 ajaxget \u8bf7\u6c42\u7684\u7a0b\u5e8f source\/module\/misc\/misc_seccode.php<\/p>\n<p>&nbsp;<\/p>\n<p>\u901a\u8fc7 url \u4e2d\u7684 action=update \u53ef\u4ee5\u770b\u51fa\uff0c\u5e94\u8be5\u67e5\u770b if($_G[&#8216;gp_action&#8217;] == &#8216;update&#8217;) { \u2026\u2026 } \u4e2d\u7684\u4e00\u6bb5<\/p>\n<div>\n<div id=\"code_w4B\">\n<ol>\n<li>if($_G[&#8216;gp_action&#8217;] == &#8216;update&#8217;) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$message = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if($_G[&#8216;setting&#8217;][&#8216;seccodestatus&#8217;]) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $rand = random(5, 1);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $flashcode = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $idhash = isset($_G[&#8216;gp_idhash&#8217;]) ? $_G[&#8216;gp_idhash&#8217;] : &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $ani = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;animator&#8217;] ? &#8216;_ani&#8217; : &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 if($_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] == 2) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u2026\u2026<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 } elseif($_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] == 3) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u2026&#8230;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 } else {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0$message = lang(&#8216;core&#8217;, &#8216;seccode_image&#8217;.$ani.&#8217;_tips&#8217;).'&lt;img onclick=&#8221;updateseccode(&#8221;.$idhash.&#8221;)&#8221; width=&#8221;&#8216;.$_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;width&#8217;].'&#8221; height=&#8221;&#8216;.$_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;height&#8217;].'&#8221; src=&#8221;misc.php?mod=seccode&amp;update=&#8217;.$rand.&#8217;&amp;idhash=&#8217;.$idhash.'&#8221; class=&#8221;vm&#8221; alt=&#8221;&#8221; \/&gt;&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 }<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0include template(&#8216;common\/header_ajax&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0echo lang(&#8216;message&#8217;, $message, array(&#8216;flashcode&#8217; =&gt; $flashcode, &#8216;idhash&#8217; =&gt; $idhash));<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0include template(&#8216;common\/footer_ajax&#8217;);<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u9ed8 \u8ba4\u8bbe\u7f6e\u7684\u201c\u82f1\u6587\u56fe\u7247\u9a8c\u8bc1\u7801\u201d\u7684 $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] \u4e3a 0\uff0c\u6240\u4ee5\u770b else \u7684\u90e8\u5206\u3002\u4ed4\u7ec6\u770b\u8fd9\u91cc\u5c31\u662f\u6309\u7167 ajax \u7684\u683c\u5f0f\u8fd4\u56de\u4e86\u4e00\u4e2a\u9a8c\u8bc1\u7801\u7684\u56fe\u7247\uff0c\u4f46\u662f\u56fe\u7247\u7684 src \u4e3a misc.php?mod=seccode&amp;update=$rand&amp;idhash=$idhash \u8fd9\u6837\u4e00\u4e2a\u52a8\u6001\u94fe\u63a5\uff0c\u6240\u4ee5\u662f\u901a\u8fc7\u8fd9\u4e2a\u94fe\u63a5\u52a8\u6001\u751f\u6210\u7684\u56fe\u7247\uff0c\u6b64\u65f6\u53c8\u4ea7\u751f\u4e86\u4e00\u4e2a\u65b0\u7684\u8bf7\u6c42\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>4\uff09\u627e\u5230\u901a\u8fc7\u56fe\u7247\u94fe\u63a5\u8bf7\u6c42\u7684\u7a0b\u5e8f source\/module\/misc\/misc_seccode.php\uff08\u548c\u4e0a\u9762\u662f\u540c\u4e00\u4e2a\u6587\u4ef6\uff09<\/p>\n<p>&nbsp;<\/p>\n<p>\u901a\u8fc7 url \u53ef\u4ee5\u770b\u51fa\uff0c\u5e94\u8be5\u67e5\u770b if($_G[&#8216;gp_action&#8217;] == &#8216;update&#8217;) { \u2026\u2026 } else { \u2026\u2026 } \u4e2d\u7684\u4e00\u6bb5<\/p>\n<div>\n<div id=\"code_ya9\">\n<ol>\n<li>} else {<\/li>\n<li><\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$refererhost = parse_url($_SERVER[&#8216;HTTP_REFERER&#8217;]);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$refererhost[&#8216;host&#8217;] .= !empty($refererhost[&#8216;port&#8217;]) ? (&#8216;:&#8217;.$refererhost[&#8216;port&#8217;]) : &#8221;;<\/li>\n<li><\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if($_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] &lt; 2 &amp;&amp; ($refererhost[&#8216;host&#8217;] != $_SERVER[&#8216;HTTP_HOST&#8217;] || !$_G[&#8216;setting&#8217;][&#8216;seccodestatus&#8217;]) || $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] == 2 &amp;&amp; !extension_loaded(&#8216;ming&#8217;) &amp;&amp; $_POST[&#8216;fromFlash&#8217;] != 1 || $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] == 3 &amp;&amp; $_GET[&#8216;fromFlash&#8217;] != 1) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 exit(&#8216;Access Denied&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li><\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$seccode = make_seccode($_G[&#8216;gp_idhash&#8217;]);<\/li>\n<li><\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if(!$_G[&#8216;setting&#8217;][&#8216;nocacheheaders&#8217;]) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 @header(&#8220;Expires: -1&#8221;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 @header(&#8220;Cache-Control: no-store, private, post-check=0, pre-check=0, max-age=0&#8221;, FALSE);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 @header(&#8220;Pragma: no-cache&#8221;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li><\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0require_once libfile(&#8216;class\/seccode&#8217;);<\/li>\n<li><\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code = new seccode();<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;code = $seccode;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;type = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;width = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;width&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;height = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;height&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;background = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;background&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;adulterate = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;adulterate&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;ttf = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;ttf&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;angle = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;angle&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;warping = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;warping&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;scatter = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;scatter&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;color = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;color&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;size = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;size&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;shadow = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;shadow&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;animator = $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;animator&#8217;];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;fontpath = DISCUZ_ROOT.&#8217;.\/static\/image\/seccode\/font\/&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;datapath = DISCUZ_ROOT.&#8217;.\/static\/image\/seccode\/&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;includepath = DISCUZ_ROOT.&#8217;.\/source\/class\/&#8217;;<\/li>\n<li><\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$code-&gt;display();<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u8fd9\u90e8\u5206\u5f00\u59cb\u662f\u5148\u505a\u4e86\u4e00\u4e9b\u5b89\u5168\u6027\u7684\u9a8c\u8bc1\uff0c\u6700\u540e\u662f\u6839\u636e\u7ed9\u5b9a\u7684\u53c2\u6570\u548c\u7531 make_seccode \u751f\u6210\u7684\u9a8c\u8bc1\u7801\u5b57\u7b26\u4e32\uff0c\u751f\u6210\u9a8c\u8bc1\u7801\u7684\u56fe\u7247\uff0c\u6240\u4ee5\u4e2d\u95f4\u662f\u91cd\u70b9\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>make_seccode($_G[&#8216;gp_idhash&#8217;]) \u8fd9\u4e2a\u51fd\u6570\u4f20\u5165\u4e86\u5f53\u524d\u9875\u9762\u9a8c\u8bc1\u7801\u7684\u552f\u4e00\u5b57\u7b26\u4e32 idhash\uff0c\u751f\u6210\u4e86\u7528\u4e8e\u9a8c\u8bc1\u7801\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>5\uff09make_seccode \u51fd\u6570\u5728 source\/function\/function_seccode.php \u6587\u4ef6<\/p>\n<div>\n<div id=\"code_ylY\">\n<ol>\n<li>function make_seccode($idhash){<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0global $_G;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$seccode = random(6, 1);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$seccodeunits = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if($_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] == 1) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $lang = lang(&#8216;seccode&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $len = strtoupper(CHARSET) == &#8216;GBK&#8217; ? 2 : 3;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $code = array(substr($seccode, 0, 3), substr($seccode, 3, 3));<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $seccode = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 for($i = 0; $i &lt; 2; $i++) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0$seccode .= substr($lang[&#8216;chn&#8217;], $code[$i] * $len, $len);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 }<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0} elseif($_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] == 3) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $s = sprintf(&#8216;%04s&#8217;, base_convert($seccode, 10, 20));<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $seccodeunits = &#8216;CEFHKLMNOPQRSTUVWXYZ&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0} else {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $s = sprintf(&#8216;%04s&#8217;, base_convert($seccode, 10, 24));<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $seccodeunits = &#8216;BCEFGHJKMPQRTVWXY2346789&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if($seccodeunits) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $seccode = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 for($i = 0; $i &lt; 4; $i++) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0$unit = ord($s{$i});<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0$seccode .= ($unit &gt;= 0x30 &amp;&amp; $unit &lt;= 0x39) ? $seccodeunits[$unit &#8211; 0x30] : $seccodeunits[$unit &#8211; 0x57];<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 }<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0dsetcookie(&#8216;seccode&#8217;.$idhash, authcode(strtoupper($seccode).&#8221;t&#8221;.(TIMESTAMP &#8211; 180).&#8221;t&#8221;.$idhash.&#8221;t&#8221;.FORMHASH, &#8216;ENCODE&#8217;, $_G[&#8216;config&#8217;][&#8216;security&#8217;][&#8216;authkey&#8217;]), 0, 1, true);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0return $seccode;<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u4ece\u51fd\u6570\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u9a8c\u8bc1\u7801 $seccode \u9996\u5148\u6765\u81ea\u4e00\u4e2a6\u4f4d\u7684\u968f\u673a\u6570\u5b57 random(6, 1) \uff08\u6b64\u51fd\u6570\u5982\u4f55\u5de5\u4f5c\uff0c\u6700\u540e\u8bb2\u89e3\uff09\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u9ed8\u8ba4\u8bbe\u7f6e\u7684\u201c\u82f1\u6587\u56fe\u7247\u9a8c\u8bc1\u7801\u201d\u7684 $_G[&#8216;setting&#8217;][&#8216;seccodedata&#8217;][&#8216;type&#8217;] \u4e3a 0\uff0c\u6240\u4ee5\u770b else \u7684\u90e8\u5206\u3002\u5c06 $seccode \u7684\u6570\u5b57\u901a\u8fc7 base_convert \u51fd\u6570\u7531 10<\/p>\n<p>\u8fdb\u5236<\/p>\n<p>\u8f6c\u4e3a 24 \u8fdb\u5236\uff0c\u7136\u540e\u8bbe\u5b9a\u53ef\u4ee5\u5728\u9a8c\u8bc1\u7801\u51fa\u73b0\u7684\u5b57\u7b26\u4e32<\/p>\n<p>&nbsp;<\/p>\n<p>&#8216;BCEFGHJKMPQRTVWXY2346789&#8217;\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6700\u540e\u5c06 24 \u8fdb\u5236\u7684\u9a8c\u8bc1\u7801\u5728 $seccodeunits \u4e2d\u53d6\u5f97\u771f\u6b63\u7684 4 \u4f4d\u9a8c\u8bc1\u7801\u5b57\u7b26\u4e32 $seccode \uff0c\u6700\u540e\u5c06 $seccode \u901a\u8fc7 authcode \u52a0\u5bc6\u51fd\u6570\u8fdb\u884c\u52a0\u5bc6\uff0c\u5199\u5165 cookie \u4e2d\uff0c\u5e76\u8fd4\u56de\uff0ccookie \u7684\u540d\u5b57\u662f seccode \u8fde\u4e0a $idhash \u7684\u503c\uff08\u4f8b\u5982\uff1aseccodeSQq29j20\uff09\u3002\u52a0\u5bc6\u65f6\u4f7f\u7528\u7684\u662f\u5728 config\/config_global.php \u4e2d\u8bbe\u7f6e\u7684 $_G[&#8216;config&#8217;][&#8216;security&#8217;][&#8216;authkey&#8217;] \u7684\u503c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u81f3\u6b64\u9a8c\u8bc1\u7801\u53ca\u56fe\u7247\u751f\u6210\u5b8c\u6bd5\uff0c\u751f\u6210\u7684\u9a8c\u8bc1\u7801\u5230\u76ee\u524d\u4e3a\u6b62\u53ea\u4ee5\u52a0\u5bc6\u7684\u65b9\u5f0f\u5b58\u5728\u4e8e cookie \u4e2d\u3002<\/p>\n<p><strong>\u4e8c\u3001\u9a8c\u8bc1\u7801\u7684\u9a8c\u8bc1<\/strong><\/p>\n<p><strong>1\u3001JS \u65b9\u5f0f\u7684\u9a8c\u8bc1<\/strong><\/p>\n<p>1\uff09\u8fd9\u79cd\u9a8c\u8bc1\u5c31\u662f\u5728\u6587\u672c\u6846\u4e2d\u8f93\u5165\u9a8c\u8bc1\u7801\u540e\uff0c\u53ca\u65f6\u7684\u9a8c\u8bc1\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-670\" src=\"http:\/\/www.siediyer.cn\/wp-content\/uploads\/2015\/10\/2cdc3f343722e39c96aed2ab1c84fb9d.png\" width=\"321\" height=\"125\" alt=\"2.png\" title=\"2.png\" srcset=\"https:\/\/qiniu.shijitianchen.com\/2015\/10\/2cdc3f343722e39c96aed2ab1c84fb9d.png 321w, https:\/\/qiniu.shijitianchen.com\/2015\/10\/2cdc3f343722e39c96aed2ab1c84fb9d-300x117.png 300w\" sizes=\"auto, (max-width: 321px) 100vw, 321px\" \/><\/p>\n<p>\u8fd9\u4e2a\u9a8c\u8bc1\u662f\u7531\u6587\u672c\u6846\u7684 onblur \u5931\u53bb\u7126\u70b9\u4e8b\u4ef6\u89e6\u53d1 checksec(&#8216;code&#8217;, &#8216;SQq29j20&#8217;) JS \u51fd\u6570\u8fdb\u884c\u9a8c\u8bc1\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>2\uff09checksec \u51fd\u6570\u5728 static\/js\/common.js \u4e2d<\/p>\n<div>\n<div id=\"code_6r1\">\n<ol>\n<li>function checksec(type, idhash, showmsg, recall) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$F(&#8216;_checksec&#8217;, arguments);<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u901a\u8fc7\u4e0a\u9762\u4ee3\u7801\u53ef\u4ee5\u770b\u5230\uff0cchecksec \u53c8\u8c03\u7528\u4e86 _checksec \u79c1\u6709\u51fd\u6570\uff0c_checksec \u51fd\u6570\u5728 static\/js\/common_extra.js \u6587\u4ef6\u4e2d<\/p>\n<div>\n<div id=\"code_CmE\">\n<ol>\n<li>function _checksec(type, idhash, showmsg, recall) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0var showmsg = !showmsg ? 0 : showmsg;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0var secverify = $(&#8216;sec&#8217; + type + &#8216;verify_&#8217; + idhash).value;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if(!secverify) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 return;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0var x = new Ajax(&#8216;XML&#8217;, &#8216;checksec&#8217; + type + &#8216;verify_&#8217; + idhash);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0x.loading = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$(&#8216;checksec&#8217; + type + &#8216;verify_&#8217; + idhash).innerHTML = &#8216;&lt;img src=&#8221;&#8216;+%20IMGDIR%20+%20&#8217;\/loading.gif&#8221; width=&#8221;16&#8243; height=&#8221;16&#8243; class=&#8221;vm&#8221; \/&gt;&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0x.get(&#8216;misc.php?mod=sec&#8217; + type + &#8216;&amp;action=check&amp;inajax=1&amp;&amp;idhash=&#8217; + idhash + &#8216;&amp;secverify=&#8217; + (BROWSER.ie &amp;&amp; document.charset == &#8216;utf-8&#8217; ? encodeURIComponent(secverify) : secverify), function(s){<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 var obj = $(&#8216;checksec&#8217; + type + &#8216;verify_&#8217; + idhash);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 obj.style.display = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 if(s.substr(0, 7) == &#8216;succeed&#8217;) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0obj.innerHTML = &#8216;&lt;img src=&#8221;&#8216;+%20IMGDIR%20+%20&#8217;\/check_right.gif&#8221; width=&#8221;16&#8243; height=&#8221;16&#8243; \/&gt;&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0if(showmsg) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0recall(1);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 } else {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0obj.innerHTML = &#8216;&lt;img src=&#8221;&#8216;+%20IMGDIR%20+%20&#8217;\/check_error.gif&#8221; width=&#8221;16&#8243; height=&#8221;16&#8243; \/&gt;&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0if(showmsg) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if(type == &#8216;code&#8217;) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 showError(&#8216;\u9a8c\u8bc1\u7801\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u586b\u5199&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0} else if(type == &#8216;qaa&#8217;) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 showError(&#8216;\u9a8c\u8bc1\u95ee\u7b54\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u586b\u5199&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0recall(0);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 }<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0});<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u8fd9 \u4e2a\u51fd\u6570\u9996\u5148\u9a8c\u8bc1\u4e0b\uff0c\u8f93\u5165\u6846\u5185\u586b\u5199\u7684\u9a8c\u8bc1\u7801\u7684\u503c $(&#8216;sec&#8217; + type + &#8216;verify_&#8217; + idhash).value \u662f\u5426\u5b58\u5728\uff08type \u5c31\u662f\u4f20\u5165\u7684 code\uff09\u3002\u7136\u540e\u901a\u8fc7 ajax \u8bf7\u6c42\u8bbf\u95ee misc.php?mod=seccode&amp;action=check&amp;inajax=1&amp;&amp;idhash=xxxx&amp;secverify=xxxx \u8fd9\u6837\u4e00\u4e2a\u5730\u5740\uff0c\u8fd9\u4e2a\u5730\u5740\u4f1a\u8fd4\u56de\u9a8c\u8bc1\u7684\u7ed3\u679c\u5b57\u7b26\u4e32\u3002\u5982\u679c\u8fd4\u56de\u7ed3\u679c\u7684\u524d 7 \u4e2a\u5b57\u7b26\u662f succeed \u5219\u9a8c\u8bc1\u901a\u8fc7\uff0c\u663e\u793a\u5bf9\u52fe\uff1b\u5426\u5219\u63d0\u793a\u201c\u9a8c\u8bc1\u7801\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u586b\u5199\u201d\uff0c\u5e76\u663e\u793a\u7ea2\u53c9\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>3\uff09\u627e\u5230\u901a\u8fc7 ajax \u8bf7\u6c42\u7684\u7a0b\u5e8f source\/module\/misc\/misc_seccode.php<\/p>\n<p>&nbsp;<\/p>\n<p>\u901a\u8fc7 url \u4e2d\u7684 action=check \u53ef\u4ee5\u770b\u51fa\uff0c\u5e94\u8be5\u67e5\u770b elseif($_G[&#8216;gp_action&#8217;] == &#8216;check&#8217;) { \u2026\u2026 } \u4e2d\u7684\u4e00\u6bb5<\/p>\n<div>\n<div id=\"code_851\">\n<ol>\n<li>} elseif($_G[&#8216;gp_action&#8217;] == &#8216;check&#8217;) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0include template(&#8216;common\/header_ajax&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0echo check_seccode($_G[&#8216;gp_secverify&#8217;], $_G[&#8216;gp_idhash&#8217;]) ? &#8216;succeed&#8217; : &#8216;invalid&#8217;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0include template(&#8216;common\/footer_ajax&#8217;);<\/li>\n<li>} else {<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u8fd9 \u91cc\u5c06\u901a\u8fc7 url \u4f20\u5165\u7684 secverify \u548c idhash \u4e24\u4e2a\u503c\u4f20\u9012\u7ed9 check_seccode \u51fd\u6570\uff0c\u901a\u8fc7\u4ee3\u7801\u770b\u5230 check_seccode \u8fd4\u56de\u5e03\u5c14\u503c\uff0c\u6545\u7ed3\u679c\u4e3a\u771f\uff0c\u5219\u901a\u8fc7\u9a8c\u8bc1\uff0c\u8fd4\u56de succeed \u5b57\u7b26\u4e32\uff0c\u7ed3\u679c\u4e3a\u5047\uff0c\u5219\u9a8c\u8bc1\u5931\u8d25\uff0c\u8fd4\u56de invalid \u5b57\u7b26\u4e32\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>4\uff09check_seccode \u51fd\u6570\u5728 source\/function\/function_core.php \u6587\u4ef6<\/p>\n<div>\n<div id=\"code_5fd\">\n<ol>\n<li>function check_seccode($value, $idhash) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0global $_G;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if(!$_G[&#8216;setting&#8217;][&#8216;seccodestatus&#8217;]) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 return true;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if(!isset($_G[&#8216;cookie&#8217;][&#8216;seccode&#8217;.$idhash])) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 return false;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0list($checkvalue, $checktime, $checkidhash, $checkformhash) = explode(&#8220;t&#8221;, authcode($_G[&#8216;cookie&#8217;][&#8216;seccode&#8217;.$idhash], &#8216;DECODE&#8217;, $_G[&#8216;config&#8217;][&#8216;security&#8217;][&#8216;authkey&#8217;]));<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0return $checkvalue == strtoupper($value) &amp;&amp; TIMESTAMP &#8211; 180 &gt; $checktime &amp;&amp; $checkidhash == $idhash &amp;&amp; FORMHASH == $checkformhash;<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u6b64\u51fd\u6570\u9996\u5148\u6839\u636e\u7f13\u5b58\u4e2d\u7684\u8bbe\u5b9a\u9a8c\u8bc1\u9a8c\u8bc1\u7801\u7684\u5f00\u542f\u72b6\u6001\uff0c\u5982\u679c\u672a\u5f00\u542f\uff0c\u6b64\u5904\u9a8c\u8bc1\u76f4\u63a5\u8fd4\u56de\u771f\uff0c\u65e2\u7136\u6ca1\u6709\u5f00\u542f\u9a8c\u8bc1\u7801\u81ea\u7136\u5982\u4f55\u9a8c\u8bc1\u5747\u4e3a\u771f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u7136\u540e\u9a8c\u8bc1 cookie \u4e2d\u662f\u5426\u5b58\u5728\u751f\u6210\u9a8c\u8bc1\u7801\u65f6\u5199\u5165 cookie \u7684\u503c\uff08\u4f8b\u5982\uff1aseccodeSQq29j20\uff09\uff0c\u5982\u679c cookie \u6ca1\u6709\u6b64\u503c\uff0c\u5219\u6b64\u6b21\u9a8c\u8bc1\u5931\u6548\uff0c\u9700\u8981\u91cd\u65b0\u751f\u6210\u9a8c\u8bc1\u7801\uff0c\u91cd\u65b0\u9a8c\u8bc1\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6700\u540e\u4ece cookie \u53d6\u51fa\u503c\uff0c\u4f7f\u7528\u00a0\u00a0$_G[&#8216;config&#8217;][&#8216;security&#8217;][&#8216;authkey&#8217;] \u52a0\u5bc6\u4e32\uff0c\u901a\u8fc7 authcode \u51fd\u6570\u5bf9\u503c\u8fdb\u884c\u89e3\u5bc6\uff0c\u89e3\u5bc6\u540e\u83b7\u53d6\u5230\u9a8c\u8bc1\u7801\u3001\u751f\u6210\u65f6\u95f4\u3001idhash\u3001formhash \u56db\u4e2a\u503c\u3002\u7136\u540e\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u4ee5\u4e0b\u56db\u4e2a\u6761\u4ef6\u624d\u53ef\u4ee5\u901a\u8fc7\u9a8c\u8bc1\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>&#8211; \u8f93\u5165\u7684\u9a8c\u8bc1\u7801\u7b49\u4e8e\u89e3\u5bc6\u51fa\u6765\u7684\u9a8c\u8bc1\u7801<\/p>\n<p>&nbsp;<\/p>\n<p>&#8211; \u9a8c\u8bc1\u7801\u7684\u751f\u6210\u65f6\u95f4\u8ddd\u5f53\u524d\u65f6\u95f4\u5c0f\u4e8e 180 \u79d2<\/p>\n<p>&nbsp;<\/p>\n<p>&#8211; \u4f20\u5165\u7684 idhash \u7b49\u4e8e\u89e3\u5bc6\u51fa\u6765\u7684 idhash<\/p>\n<p>&nbsp;<\/p>\n<p>&#8211; \u5f53\u524d\u7cfb\u7edf\u751f\u6210\u7684 formhash \u7b49\u4e8e\u89e3\u5bc6\u51fa\u6765\u7684 formhash<\/p>\n<p>&nbsp;<\/p>\n<p>\u81f3\u6b64\u901a\u8fc7 JS \u65b9\u5f0f\u7684\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u5b8c\u6210\u3002<\/p>\n<p><strong>2\u3001PHP \u65b9\u5f0f\u7684\u9a8c\u8bc1<\/strong><\/p>\n<p>1\uff09\u8fd9\u79cd\u65b9\u5f0f\u5c31\u662f\u5728\u9a8c\u8bc1\u7801\u6240\u5728\u7684\u8868\u5355\u63d0\u4ea4\u540e\uff0c\u5bf9\u8f93\u5165\u7684\u9a8c\u8bc1\u7801\u8fdb\u884c\u7684\u9a8c\u8bc1\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4f8b\u5982\u5728\u4fee\u6539\u7528\u6237\u5bc6\u7801\u65f6\u5f00\u542f\u4e86\u9a8c\u8bc1\u7801\uff0c\u5219\u4f1a\u5728\u5176\u5904\u7406\u7684 PHP\u00a0\u00a0\u7a0b\u5e8f\u4e2d\u53d1\u73b0\uff08source\/include\/spacecp\/spacecp_profile.php\uff09\u8fd9\u6837\u4e00\u53e5\u4ee3\u7801<\/p>\n<div>\n<div id=\"code_scM\">\n<ol>\n<li>submitcheck(&#8216;passwordsubmit&#8217;, 0, $seccodecheck, $secqaacheck)<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>submitcheck \u51fd\u6570\u5c31\u662f\u5bf9\u63d0\u4ea4\u7684\u8868\u5355\u8fdb\u884c\u9a8c\u8bc1\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>2\uff09submitcheck \u51fd\u6570\u5728 source\/function\/function_core.php \u6587\u4ef6<\/p>\n<div>\n<div id=\"code_zft\">\n<ol>\n<li>function submitcheck($var, $allowget = 0, $seccodecheck = 0, $secqaacheck = 0) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if(!getgpc($var)) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 return FALSE;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0} else {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 global $_G;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 if($allowget || ($_SERVER[&#8216;REQUEST_METHOD&#8217;] == &#8216;POST&#8217; &amp;&amp; !empty($_G[&#8216;gp_formhash&#8217;]) &amp;&amp; $_G[&#8216;gp_formhash&#8217;] == formhash() &amp;&amp; empty($_SERVER[&#8216;HTTP_X_FLASH_VERSION&#8217;]) &amp;&amp; (empty($_SERVER[&#8216;HTTP_REFERER&#8217;]) ||<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 preg_replace(&#8220;\/https?:\/\/([^:\/]+).*\/i&#8221;, &#8220;1&#8221;, $_SERVER[&#8216;HTTP_REFERER&#8217;]) == preg_replace(&#8220;\/([^:]+).*\/&#8221;, &#8220;1&#8221;, $_SERVER[&#8216;HTTP_HOST&#8217;])))) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0if(checkperm(&#8216;seccode&#8217;)) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if($secqaacheck &amp;&amp; !check_secqaa($_G[&#8216;gp_secanswer&#8217;], $_G[&#8216;gp_sechash&#8217;])) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 showmessage(&#8216;submit_secqaa_invalid&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0if($seccodecheck &amp;&amp; !check_seccode($_G[&#8216;gp_seccodeverify&#8217;], $_G[&#8216;gp_sechash&#8217;])) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 showmessage(&#8216;submit_seccode_invalid&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0return TRUE;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 } else {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0showmessage(&#8216;submit_invalid&#8217;);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 }<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>submitcheck \u51fd\u6570\u4e00\u822c\u53ea\u586b\u5199\u524d\u4e24\u4e2a\u53c2\u6570\u5373\u53ef\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u8868\u793a\u8981\u9a8c\u8bc1\u7684\u8868\u5355\u5143\u7d20\u7684\u540d\u5b57\uff0c\u6b64\u8868\u5355\u5143\u7d20\u4e0d\u5b58\u5728\u5219\u9a8c\u8bc1\u5931\u8d25\uff1b\u7b2c\u4e8c\u4e2a\u53c2\u6570\u8868\u793a\u662f\u5426\u5141\u8bb8\u901a\u8fc7 GET \u65b9\u5f0f\u63d0\u4ea4\u7684\u6570\u636e\u901a\u8fc7\u9a8c\u8bc1\uff0c0 \u4e3a\u4e0d\u5141\u8bb8\uff0c1 \u4e3a\u5141\u8bb8\uff0c\u4e00\u822c\u4e3a 0 \u5373\u53ef\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u540e\u4e24\u4e2a\u53c2\u6570\u7528\u4e8e\u8868\u793a\u63d0\u4ea4\u7684\u8868\u5355\u4e2d\u662f\u5426\u9700\u8981\u5bf9\u9a8c\u8bc1\u7801\u548c\u9a8c\u8bc1\u95ee\u7b54\u505a\u9a8c\u8bc1\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570 $seccodecheck \u4ee3\u8868\u9a8c\u8bc1\u7801\uff0c\u7b2c\u56db\u4e2a\u53c2\u6570 $secqaacheck \u4ee3\u8868\u9a8c\u8bc1\u95ee\u7b54\uff0c\u53c2\u6570\u503c\u90fd\u662f 0 \u4e3a\u4e0d\u9a8c\u8bc1\uff0c1 \u4e3a\u9a8c\u8bc1\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6240\u4ee5\u5982\u679c\u9700\u8981\u5728\u63d0\u4ea4\u540e\u9a8c\u8bc1\u9a8c\u8bc1\u7801\uff0c\u5219\u81f3\u5c11\u8981\u586b\u5199 3 \u4e2a\u53c2\u6570\uff0c\u5373 submitcheck(&#8216;passwordsubmit&#8217;, 0, 1) \u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8fdb\u5165\u51fd\u6570\u4e2d\u4f1a\u73b0\u5bf9\u63d0\u4ea4\u8868\u5355\u7684\u63d0\u4ea4\u65b9\u5f0f\u3001formhash\u3001\u8bbf\u95ee\u6765\u6e90 referer \u7b49\u6570\u636e\u8fdb\u884c\u5b89\u5168\u6027\u9a8c\u8bc1\uff0c\u901a\u8fc7\u540e\u5219\u4f1a\u8c03\u7528 check_seccode \u51fd\u6570\u5bf9\u63d0\u4ea4\u8fc7\u6765\u7684\u9a8c\u8bc1\u7801\u8fdb\u884c\u9a8c\u8bc1\u4e86\uff0c\u6839\u636e check_seccode \u7684\u8fd4\u56de\u503c\uff0c\u6765\u7ed9\u4e88\u4e0d\u540c\u7684\u63d0\u793a\u3002 check_seccode \u51fd\u6570\u5982\u4f55\u5de5\u4f5c\u7684\u53c2\u770b JS \u9a8c\u8bc1\u4e2d\u7684 4\uff09 \u5373\u53ef\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u81f3\u6b64\u901a\u8fc7 PHP \u65b9\u5f0f\u7684\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u5b8c\u6210\u3002<\/p>\n<p><strong>\u4e09\u3001\u968f\u673a\u6570\u5982\u4f55\u4ea7\u751f\u7684<\/strong><\/p>\n<p>Discuz! X\u7684\u968f\u673a\u6570\u662f\u901a\u8fc7 random \u51fd\u6570\u4ea7\u751f\u7684\uff0c\u51fd\u6570\u5728\u00a0\u00a0source\/function\/function_core.php \u6587\u4ef6<\/p>\n<div>\n<div id=\"code_fbC\">\n<ol>\n<li>function random($length, $numeric = 0) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$seed = base_convert(md5(microtime().$_SERVER[&#8216;DOCUMENT_ROOT&#8217;]), 16, $numeric ? 10 : 35);<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$seed = $numeric ? (str_replace(&#8216;0&#8242;, &#8221;, $seed).&#8217;012340567890&#8242;) : ($seed.&#8217;zZ&#8217;.strtoupper($seed));<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$hash = &#8221;;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0$max = strlen($seed) &#8211; 1;<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0for($i = 0; $i &lt; $length; $i++) {<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0 \u00a0 $hash .= $seed{mt_rand(0, $max)};<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0return $hash;<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p><em>\u590d\u5236\u4ee3\u7801<\/em><\/div>\n<p>\u6b64\u51fd\u6570\u6709\u4e24\u4e2a\u53c2\u6570\uff0c$length \u8868\u793a\u8981\u83b7\u53d6\u7684\u968f\u673a\u6570\u7684\u4f4d\u6570\uff0c$numeric \u8868\u793a\u662f\u5426\u8981\u83b7\u53d6\u7eaf\u6570\u5b57\u7684\u968f\u673a\u6570\uff0c\u53d6\u503c 0 \u6216 1\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u51fd\u6570\u9996\u5148\u4f7f\u7528 microtime \u51fd\u6570\u83b7\u53d6\u5f53\u524d\u7684\u5fae\u79d2\u7ea7\u65f6\u95f4\u6233\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u5728\u540e\u9762\u62fc\u63a5\u4e0a\u5355\u524d\u7f51\u7ad9\u7684\u6839\u76ee\u5f55\u8def\u5f84\uff0c\u7136\u540e\u8fdb\u884c MD5 \u52a0\u5bc6\uff0c\u83b7\u5f97 32 \u4f4d\u957f\u7684\u5b57\u7b26\u4e32\u3002\u4e4b\u540e\u5bf9\u5176\u8fdb\u884c\u8f6c\u8fdb\u5236\uff0c\u5982\u679c\u8981\u83b7\u53d6\u7eaf\u6570\u5b57\u7684\u968f\u673a\u6570\uff0c\u5219\u4ece 16 \u8fdb\u5236\u8f6c\u4e3a 10 \u8fdb\u5236\uff0c\u5982\u679c\u8981\u83b7\u5f97\u6570\u5b57\u548c\u82f1\u6587\u6df7\u6742\u7684\u968f\u673a\u6570\uff0c\u5219\u4ece 16 \u8fdb\u5236\u8f6c\u4e3a 35 \u8fdb\u5236\u3002\u4e4b\u540e\u518d\u5c06\u8f6c\u8fdb\u5236\u540e\u83b7\u5f97\u7684\u5b57\u7b26\u4e32\uff0c\u6839\u636e\u662f\u5426\u8981\u83b7\u53d6\u7eaf\u6570\u5b57\u968f\u673a\u6570\u7684\u533a\u522b\uff0c\u8fdb\u884c\u62fc\u63a5\u3002\u6700\u540e\u4ece\u62fc\u63a5\u540e\u7684\u5b57\u7b26\u4e32\u4e2d\u968f\u673a\u62bd\u53d6\u968f\u673a\u6570\u7684\u7b2c\u4e00\u4f4d\u3001\u7b2c\u4e8c\u4f4d\u4ee5\u6b64\u7c7b\u63a8\uff0c\u76f4 \u81f3\u83b7\u53d6\u6ee1\u8db3\u8981\u6c42\u7684\u968f\u673a\u6570\u7684\u4f4d\u7f6e\u4e3a\u6b62\u3002\u81f3\u6b64\u751f\u6210\u4e86\u968f\u673a\u6570\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u9a8c\u8bc1\u7801\u7684\u4ea7\u751f 1\u3001\u5982\u4f55\u5728\u6a21\u677f\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u9a8c\u8bc1\u7801 \u5728X2\u4e2d\u9a8c\u8bc1\u7801\u7684\u6a21\u677f\u90e8\u5206\u72ec\u7acb\u4e3a\u4e00\u4e2a\u6a21\u677f\u6587\u4ef6\uff08template [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":669,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-332","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=332"}],"version-history":[{"count":2,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/332\/revisions"}],"predecessor-version":[{"id":671,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/332\/revisions\/671"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/media\/669"}],"wp:attachment":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}