科学教育

标题: share.js?v=744340 [打印本页]

作者: 吴一轩 时间: 2025-9-25 12:08
标题: share.js?v=744340

// JS-SDK Init
function initWeixinShare(shareCallback) {
//SHA1
var hexcase=0;var b64pad="";var chrsz=8;function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length*chrsz))}function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length*chrsz))}function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length*chrsz))}function hex_hmac_sha1(key,data){return binb2hex(core_hmac_sha1(key,data))}function b64_hmac_sha1(key,data){return binb2b64(core_hmac_sha1(key,data))}function str_hmac_sha1(key,data){return binb2str(core_hmac_sha1(key,data))}function sha1_vm_test(){return hex_sha1("abc")=="a9993e364706816aba3e25717850c26c9cd0d89d"}function core_sha1(x,len){x[len>>5]|=128<<(24-len%32);x[((len+64>>9)<<4)+15]=len;var w=Array(80);var a=1732584193;var b=-271733879;var c=-1732584194;var d=271733878;var e=-1009589776;for(var i=0;i<x.length;i+=16){var olda=a;var oldb=b;var oldc=c;var oldd=d;var olde=e;for(var j=0;j<80;j++){if(j<16){w[j]=x[i+j]}else{w[j]=rol(w[j-3]^w[j-8]^w[j-14]^w[j-16],1)}var t=safe_add(safe_add(rol(a,5),sha1_ft(j,b,c,d)),safe_add(safe_add(e,w[j]),sha1_kt(j)));e=d;d=c;c=rol(b,30);b=a;a=t}a=safe_add(a,olda);b=safe_add(b,oldb);c=safe_add(c,oldc);d=safe_add(d,oldd);e=safe_add(e,olde)}return Array(a,b,c,d,e)}function sha1_ft(t,b,c,d){if(t<20){return(b&c)|((~b)&d)}if(t<40){return b^c^d}if(t<60){return(b&c)|(b&d)|(c&d)}return b^c^d}function sha1_kt(t){return(t<20)?1518500249

t<40)?1859775393

t<60)?-1894007588:-899497514}function core_hmac_sha1(key,data){var bkey=str2binb(key);if(bkey.length>16){bkey=core_sha1(bkey,key.length*chrsz)}var ipad=Array(16),opad=Array(16);for(var i=0;i<16;i++){ipad[i]=bkey[i]^909522486;opad[i]=bkey[i]^1549556828}var hash=core_sha1(ipad.concat(str2binb(data)),512+data.length*chrsz);return core_sha1(opad.concat(hash),512+160)}function safe_add(x,y){var lsw=(x&65535)+(y&65535);var msw=(x>>16)+(y>>16)+(lsw>>16);return(msw<<16)|(lsw&65535)}function rol(num,cnt){return(num<<cnt)|(num>>>(32-cnt))}function str2binb(str){var bin=Array();var mask=(1<<chrsz)-1;for(var i=0;i<str.length*chrsz;i+=chrsz){bin[i>>5]|=(str.charCodeAt(i/chrsz)&mask)<<(32-chrsz-i%32)}return bin}function binb2str(bin){var str="";var mask=(1<<chrsz)-1;for(var i=0;i<bin.length*32;i+=chrsz){str+=String.fromCharCode((bin[i>>5]>>>(32-chrsz-i%32))&mask)}return str}function binb2hex(binarray){var hex_tab=hexcase?"0123456789ABCDEF":"0123456789abcdef";var str="";for(var i=0;i<binarray.length*4;i++){str+=hex_tab.charAt((binarray[i>>2]>>((3-i%4)*8+4))&15)+hex_tab.charAt((binarray[i>>2]>>((3-i%4)*8))&15)}return str}function binb2b64(binarray){var tab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var str="";for(var i=0;i<binarray.length*4;i+=3){var triplet=(((binarray[i>>2]>>8*(3-i%4))&255)<<16)|(((binarray[i+1>>2]>>8*(3-(i+1)%4))&255)<<8)|((binarray[i+2>>2]>>8*(3-(i+2)%4))&255);for(var j=0;j<4;j++){if(i*8+j*6>binarray.length*32){str+=b64pad}else{str+=tab.charAt((triplet>>6*(3-j))&63)}}}return str};
      var share_url=location.href;
      var timestamp=new Date().getTime()+'';
      var nonceStr=timestamp+parseInt(Math.random()*100000)+'';
      var jsapi_ticket = window.jsticket || "";
      var strSHA1=hex_sha1("jsapi_ticket=" + jsapi_ticket + "&noncestr="+nonceStr+"&timestamp="+timestamp+"&url="+share_url);//SHA1加密

      var checkjsapi = location.href.indexOf("checkjsapi")>0;

      //var checkjsapi = 1;
      wx.config({
         debug: checkjsapi,
         appId: window.jsappid,
         timestamp: timestamp,
         nonceStr: nonceStr,
         signature: strSHA1,
         jsApiList: [
            'checkJsApi',
            'openLocation',
            'getLocation',
            'hideOptionMenu',
            'hideMenuItems',

            'updateTimelineShareData',
            'updateAppMessageShareData'
         ]
      });
      wx.ready(function () {
         if(checkjsapi){
            // 1 判断当前版本是否支持指定 JS 接口，支持批量判断
            wx.checkJsApi({
                  jsApiList: [
                  'getNetworkType',
                  'updateTimelineShareData',
                  'updateAppMessageShareData'
                  ],
                  success: function (res) {
                     alert(JSON.stringify(res));
                  }
            });

         }

         if(window.shareData.timeline_hide == 1){
            wx.hideOptionMenu();
         }

         wx.updateAppMessageShareData({
            title: window.shareData.tTitle, // 分享标题
            desc: window.shareData.tContent, // 分享描述
            link: window.shareData.sendFriendLink, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
            imgUrl: window.shareData.imgUrl, // 分享图标
            success: function () {
                  // 设置成功
            }
         });

         wx.updateTimelineShareData({
            title: window.shareData.tTitle, // 分享标题
            link: window.shareData.sendFriendLink, // 分享链接，该链接域名或路径必须与当前页面对应的公众号JS安全域名一致
            imgUrl: window.shareData.imgUrl, // 分享图标
            success: function () {
                  // 设置成功
            }
         });
      });
}

$(function(){
      initWeixinShare();
});

作者: 金外章宏睿 时间: 2025-9-28 15:27
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