{"id":673,"date":"2018-05-16T22:22:03","date_gmt":"2018-05-16T14:22:03","guid":{"rendered":"https:\/\/sora.sound.moe\/?p=673"},"modified":"2018-05-16T22:22:03","modified_gmt":"2018-05-16T14:22:03","slug":"abema","status":"publish","type":"post","link":"https:\/\/sora.sound.moe\/?p=673","title":{"rendered":"Abema"},"content":{"rendered":"<p><!--more--><\/p>\n<p>Abema\u7684m3u8 key\u683c\u5f0f\u4e3a<br \/>\n<code>#EXT-X-KEY:METHOD=AES-128,URI=\"abematv-license:\/\/2uqo9VkfUUGyqrRkeSrTTFsSucMVJ6kgecbu1Hr7ibLx\",IV=0x1165956bdcbdd50f7ea3c555b3407d19<br \/>\n<\/code><\/p>\n<p>\u8fd8\u6ca1\u641e\u61c2\u8fd9\u4e2a\u5904\u7406\u662f\u600e\u4e48\u5b9a\u4e49\u7684\uff0c\u4e0d\u8fc7\u53ef\u4ee5\u8ddf\u8e2a\u5230\u3002<\/p>\n<h2>Step.1 \u8bf7\u6c42\u6388\u6743\u670d\u52a1\u5668<\/h2>\n<p>\u9700\u8981\u6839\u636e\u8fd9\u4e2a\u5730\u5740\u53bb\u6388\u6743\u670d\u52a1\u5668\u8bf7\u6c42<\/p>\n<p><code>https:\/\/license.abema.io\/abematv-hls?t=SBX8JMLLbZ6EHhoBJuNSy6zEbz5vQ2zQ5yfPfcPnQgBthE8VGpNvbsmAAkrKEtMBwKzaGs3WbDZEtBpeSXww8akbjRxRKxDwwtyZBwaAth5mz2hVV6tJd4puHqB<\/code><\/p>\n<p>\u8fd9\u91cc\u540e\u9762\u7684\u4e00\u957f\u4e32\u662flocalStorage\u91cc\u7684abm_mediaToken<\/p>\n<p>payload\u4e3a<\/p>\n<pre class=\"lang:js decode:true\">{\n   kg: 315\n   kv: \"wd\"\n   lt: \"2uqo9VkfUUGyqrRkeSrTTFsSucMVJ6kgecbu1Hr7ibLx\"\n}<\/pre>\n<p>lt\u4e3akey url\u91cc<code>abematv-license:\/\/<\/code>\u540e\u9762\u7684\u90e8\u5206\u3002<\/p>\n<p>kv\u7684&#8221;wd&#8221;\u662f\u56fa\u5b9a\u503c\u3002<\/p>\n<p>\u7136\u800ckg\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u6765\u5206\u6790\u4e00\u4e0b\u4ee3\u7801<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdjevyro9j20f203lq31.jpg\" width=\"542\" height=\"129\" \/><\/p>\n<p>\u8fd9\u663e\u7136\u662f\u4e00\u4e2aXHR\u8bf7\u6c42\uff0c\u8fd9\u91cc\u7684_0x5890a6\u5c31\u662fkg\uff0c\u90a3\u4e48\u5b83\u662f\u5728\u54ea\u91cc\u5b9a\u4e49\u7684\u5462<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdjfxso17j20ot03qq3k.jpg\" width=\"893\" height=\"134\" \/><\/p>\n<p>\u8fd9\u91cc\u4ece\u67d0\u4e2a\u5730\u65b9\u53d6\u5230\u4e86\u4e00\u6bb5JSON\uff0c\u8fd9\u6bb5JSON\u6709\u4e00\u4e2a\u5b57\u6bb5\u53ebgeneration\u5c31\u662fkg\u7684\u503c\u3002\u6240\u4ee5\u8fd9\u4e2a_0x3b0c()\u51fd\u6570\u5c31\u662f\u5173\u952e\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdji0tqeej20vw0c80v0.jpg\" width=\"1148\" height=\"440\" \/><\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u5728\u51e0\u4e4e\u6700\u524d\u9762\u5c31\u88ab\u5b9a\u4e49\u4e86\uff0c\u800c\u4e14\u7ecf\u5e38\u88ab\u8c03\u7528\u3002<\/p>\n<p>\u53ef\u4ee5\u731c\u6d4b\uff0c\u8fd9\u4e2a\u51fd\u6570\u9996\u5148\u662f\u5728\u6ca1\u6709\u521d\u59cb\u5316\u7684\u65f6\u5019\u8fdb\u884c\u4e00\u6bb5\u521d\u59cb\u5316\u64cd\u4f5c\u3002\u4ece_0xb0c3\u4e2d\u53d6\u51fa\u4e00\u4e9b\u503c\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>_0xb0c3\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u5b9a\u4e49\u597d\u7684\uff0c\u4e0d\u4f1a\u53d8\u3002\u6211\u628a\u5b83\u91cd\u547d\u540d\u4e3aglobalVars\u3002<\/p>\n<p>\u8fd9\u91cc\u7684\u521d\u59cb\u5316\u64cd\u4f5c\u5f88\u590d\u6742\u3002\u3002\u5148\u4e0d\u5206\u6790\uff0c\u628a\u90a3\u4e2aglobalVars\u6253\u51fa\u6765\u770b\u770b\uff1a<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdjl51ctcj20zm08rdk0.jpg\" width=\"1282\" height=\"315\" \/><\/p>\n<p>\u4e00\u770b\u5c31\u662f\u4e00\u5806base64\uff0c\u89e3\u4e4b<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdjltvx12j21g003vgn6.jpg\" width=\"1872\" height=\"139\" \/><\/p>\n<p>\u4e00\u773c\u770b\u5230\u4e86\u6211\u4eec\u8981\u7684\u4e1c\u897f\u3002\u4e00\u6bb5JSON\u3002\u6211\u4eec\u53d1\u73b0\u5728\u53d6\u8fd9\u4e2agerneration\u7684\u65f6\u5019\uff0ckey\u662f0x35\uff0c\u7136\u800c\u521d\u59cb\u72b6\u6001\u8fd9\u4e2aJSON\u5e76\u4e0d\u662f\u57280x35\u3002\u6240\u4ee5\u6211\u4eec\u6709\u7406\u7531\u76f8\u4fe1\u8fd9\u4e2a\u6240\u8c13\u7684\u521d\u59cb\u5316\u64cd\u4f5c\u53ef\u80fd\u662f\u7c7b\u4f3c\u4e8e\u6253\u4e71\u4e4b\u7c7b\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u57fa\u4e8e\u4ee5\u4e0a\u5206\u6790\u2026\u2026\u6211\u4eec\u53ef\u4ee5\u6682\u65f6\u8ba4\u4e3akg\u662f\u4e00\u4e2a\u5e38\u6570315.<\/p>\n<h2>Step.2 \u89e3\u6790\u6388\u6743\u670d\u52a1\u5668\u8fd4\u56de\u4fe1\u606f<\/h2>\n<p>\u6309\u4ee5\u4e0a\u4fe1\u606f\u53d1\u9001\u8bf7\u6c42\uff0c\u6388\u6743\u670d\u52a1\u5668\u8fd4\u56de\u5185\u5bb9\u4e3a<\/p>\n<p><code>{cid: \"386-71_s2_p1\", k: \"GPSpC5yhFWUqosnVvKaniy5\"}<\/code><\/p>\n<p>cid\u662f\u89c6\u9891url\u4e2d\u5c31\u6709\u7684\uff0c\u5e94\u8be5\u662f\u6807\u8bc6\u89c6\u9891\u7684\u3002k\u5e94\u8be5\u5c31\u662f\u91cd\u70b9\u4e86\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdk1o2jaaj20ot0bg76j.jpg\" width=\"893\" height=\"412\" \/><\/p>\n<p>\u5f80\u4e0a\u770b\u4e86\u4e00\u773c\u5c31\u53d1\u73b0\u4e86\u8fd9\u4e2a\u9192\u76ee\u7684\u9519\u8bef\u63d0\u793a\uff0c\u663e\u7136\u8fd9\u4e00\u6bb5\u5c31\u662f\u5904\u7406\u8fd4\u56de\u7684\u5185\u5bb9\u3002\uff08\u4e0a\u9762\u4e00\u5927\u6bb5\u770b\u8d77\u6765\u5c31\u662fXHR\u7684\u56de\u8c03\uff0c\u72b6\u6001\u7801\u5224\u65ad\u4ec0\u4e48\u7684\uff09<\/p>\n<p>\u7bad\u5934\u6307\u5411\u7684\u5e94\u8be5\u5c31\u662f\u91cd\u8981\u7684\uff0c\u89e3\u5bc6\u51fd\u6570\u3002\u5355\u6b65\u8ddf\u5165\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdk3xf6h5j20qa0cfwga.jpg\" width=\"946\" height=\"447\" \/><\/p>\n<p>\u7ee7\u7eed\u8ddf\u5165\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdk5d5vgsj20sn02ft9a.jpg\" width=\"1031\" height=\"87\" \/><\/p>\n<p>key\u88ab\u5206\u4e3a\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u548c\u5176\u4ed6\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdkasnyt4j20mk02dt97.jpg\" width=\"812\" height=\"85\" \/><\/p>\n<p>\u6839\u636e\u6211\u7684\u76f4\u89c9\u3002\u3002\u8fd9\u4e2a\u51fd\u6570\u5e94\u8be5\u662f\u5224\u65ad\u76f8\u7b49\u3002<\/p>\n<p>\u90a3\u4e48\u5e94\u8be5\u662f\u6839\u636ekey\u7684\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u6765\u786e\u5b9a\u89e3\u5bc6\u6a21\u5f0f\u3002<\/p>\n<p>\u540e\u9762\u7684_0x3031b5\u7684\u4e09\u4e2a\u53c2\u6570\u5206\u522b\u662f<code>cid<\/code>\u3001<code>localStorage.abm_userId<\/code>\u3001key\u53bb\u6389\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\uff0c\u7ee7\u7eed\u8ddf\u5165.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"http:\/\/ww1.sinaimg.cn\/large\/e985a6f7gy1frdkj63yh2j20yi097mym.jpg\" width=\"1242\" height=\"331\" \/><\/p>\n<p>\u540e\u9762\u7684JSON\u662f\u548c\u5168\u5c40\u6570\u7ec4\u91cc\u90a3\u4e2a\u4e00\u6837\u7684\u3002\u91cc\u9762\u6709\u4e2a\u56fa\u5b9a\u7684key\uff0c\u53d6\u51fa\u6765\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\u6211\u540e\u9762\u5206\u6790\u4e86\u5f88\u4e45\uff0c\u4f46\u662f\u5bc6\u7801\u5b66\u90e8\u5206\u8fd8\u662f\u592a\u590d\u6742\u4e86\uff0c\u51b3\u5b9a\u8fd8\u662f\u6362\u4e2a\u601d\u8def\uff0c\u6284\u4ee3\u7801\u3002\u53ea\u8981\u80fd\u6a21\u62df\u8fd0\u884c\u5c31\u53ef\u4ee5\u89e3\u5bc6\u4e86\u53cd\u6b63\u3002<\/p>\n<p>==================\u65e0\u5948\u7684\u5206\u5272\u7ebf===============<\/p>\n<p>\u7ecf\u8fc7\u957f\u671f\u7684\u594b\u6218\uff0c\u6211\u8fd8\u662f\u6ca1\u80fd\u628a\u8fd9\u4e1c\u897f\u5f04\u51fa\u6765\u3002<\/p>\n<p>\u539f\u56e0\u4e3b\u8981\u662f\u8fd9\u73a9\u610f\u4e0d\u4ec5\u6df7\u6dc6\u7684\u5341\u5206\u6076\u5fc3\uff0c\u8fd8\u6709\u53cd\u8c03\u8bd5\uff0c\u8fd8\u6709\u4e00\u5957\u5947\u5999\u7684\u57fa\u4e8ecookie\u7684\u51fd\u6570\u8c03\u7528\u65b9\u6cd5\uff0c\u5b9e\u5728\u662f\u6a21\u62df\u4e0d\u51fa\u6765\uff0c\u6700\u540e\u6211\u53c8\u6362\u4e86\u79cd\u601d\u8def\uff1a\u524d\u7aef\u52ab\u6301\u3002<\/p>\n<p>JavaScript\u65b0\u7279\u6027\u91cc\u6709\u4e00\u4e2a\u597d\u4e1c\u897f\u53ebProxy\uff0c\u53ef\u4ee5\u7ed9Object\u7684get\u3001set\u7b49\u64cd\u4f5c\u641e\u4e00\u4e2atrap\u3002<\/p>\n<p>\u7ecf\u8fc7\u7814\u7a76\u4ee3\u7801\uff0c\u6211\u53d1\u73b0Abema\u4f9d\u65e7\u662f\u628aXHR\u5c01\u88c5\u4e86\u4e00\u5c42\u3002\u628a\u539f\u6765\u7684XHR\u653e\u5230\u4e86<code>XMLHttpRequest.protorype.o<\/code>\u00a0\u7136\u540e\u5728\u5916\u9762\u52a0\u4e86\u4e00\u5c42\u8f6c\u53d1\uff0c\u5e76\u4e14\u52a0\u4e86\u4e00\u4e9b\u5c5e\u6027\u3002<\/p>\n<p>Key\u901a\u8fc7\u89e3\u5bc6\u51fd\u6570\u89e3\u51fa\u6765\u4e4b\u540e\u4f1a\u5b58\u5230\u5916\u5c42\uff01\u4e8e\u662f\u6211\u60f3\u80fd\u4e0d\u80fd\u52ab\u6301XHR\u8bd5\u8bd5\u3002<\/p>\n<p>\u8fd9\u4e2a\u771f\u7684\u4e5f\u8c03\u4e86\u633a\u4e45\u7684\u3002<\/p>\n<p>\u4e00\u5f00\u59cb\u6211\u76f4\u63a5\u628a<code>XMLHttpRequest<\/code>\u8986\u76d6\u6210\u4e00\u4e2aProxy\u53d1\u73b0\u4e0d\u884c\u4e0d\u8d77\u4f5c\u7528\uff0c\u540e\u6765\u8bd5\u7740\u628a\u5b83\u653e\u5230\u4e86<code>window.onload<\/code>\u91cc\u9762\u53bb\u5c31\u884c\u4e86\uff08\u8fd9\u91cc\u539f\u7406\u672a\u77e5<\/p>\n<p>\u968f\u540e\u6211\u672c\u6765\u7528<code>handler.set<\/code>\u6765\u622a\u83b7set\u5c5e\u6027\uff0c\u7136\u540e\u76f4\u63a5<code>obj[prop] = value<\/code>\u8fd9\u6837\u6765\u6267\u884c\u539f\u6765\u7684\u590d\u5236\u64cd\u4f5c\u7ed3\u679c\u53d1\u73b0\u5404\u79cd\u62a5\u9519\uff08\u539f\u7406\u8fd8\u662f\u672a\u77e5\uff09\uff082018\u5e7411\u67081\u65e5\u66f4\u65b0\uff1a\u539f\u56e0\u77e5\u9053\u4e86\uff0c\u5927\u6982\u662fXHR\u88ab\u4fee\u6539\u4e4b\u540e\u8fd8\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u8bf7\u6c42\u624d\u5b8c\u6210\uff0c\u7b49\u51e0\u79d2\u5c31\u597d\u4e86\uff09<\/p>\n<p>\u4e8e\u662f\u6362\u6210\u4e86<code>Reflect<\/code>\uff0c\u6700\u540e\u5f97\u5230\u4ee3\u7801\u5982\u4e0b<\/p>\n<pre class=\"lang:js decode:true \">window.onload = function(){\n   const maps = {};\n\n   XMLHttpRequest.prototype = new Proxy(XMLHttpRequest.prototype, {\n      set: function(obj, prop, value) {\n        if (prop === 'proxy' &amp;&amp; maps.proxy) {\n          console.log(Object.values(JSON.parse(JSON.stringify(new Uint8Array(maps.proxy.response)))).map(i =&gt; i.toString(16).length === 1 ? 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