{"id":40,"date":"2018-08-17T11:59:49","date_gmt":"2018-08-17T03:59:49","guid":{"rendered":"https:\/\/blog.kaaass.net\/diary\/?p=40"},"modified":"2018-08-18T22:41:04","modified_gmt":"2018-08-18T14:41:04","slug":"b%e7%ab%99app%e9%80%86%e5%90%91%e5%b7%a5%e7%a8%8b%e6%89%8b%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/blog.kaaass.net\/diary\/2018\/b%e7%ab%99app%e9%80%86%e5%90%91%e5%b7%a5%e7%a8%8b%e6%89%8b%e8%ae%b0\/","title":{"rendered":"B\u7ad9APP\u9006\u5411\u5de5\u7a0b\u624b\u8bb0"},"content":{"rendered":"

\u6700\u8fd1\u5728\u91cd\u5199BiliAPI\uff0c\u7531\u4e8e\u4e4b\u524d\u91c7\u96c6\u7684\u63a5\u53e3\u90fd\u662f\u4e24\u5e74\u524d\u7684\u4e1c\u897f\u4e86\uff0c\u6240\u4ee5\u8fd9\u6b21\u6253\u7b97\u518d\u9006\u5411B\u7ad9\u5ba2\u6237\u7aef\u3002\u7248\u672c\u4f7f\u7528\u4e86\u5b98\u7f51\u4e0b\u8f7d\u76845.29.1\u3002<\/p>\n

8.16<\/h1>\n

\u53ef\u4ee5\u8bf4\u6bd4\u8d77\u4e24\u5e74\u4e4b\u524d\uff0c\u5f00\u53d1\u8005\u5b89\u5168\u610f\u8bc6\u9ad8\u4e86\u5f88\u591a\u3002ak\u3001sk\u5bf9\u539f\u5148\u662f\u91c7\u7528\u4ee4\u4eba\u8d39\u89e3\u7684\u5b58\u50a8\u5728native\u5c42\uff0c\u7136\u540eget\u51fa\u6765\u5728java\u5c42\u62fc\u63a5\u8bf7\u6c42\u5730\u5740\u3002\u540e\u6765\u5bf9sk\u8fdb\u884c\u4e86\u52a0\u5bc6\uff08\u597d\u50cf\u662fAES\uff0c\u592a\u4e45\u4e86\u5fd8\u4e86\uff09\uff0c\u4f46\u662f\u5e76\u6ca1\u6709\u592a\u5927\u7684\u533a\u522b\u3002\u800c\u5982\u4eca\u91c7\u7528\u4e86\u6b63\u786e\u7684native\u5c42\u62fc\u63a5\u7684\u65b9\u5f0f\uff0c\u5b89\u5168\u6027\u9661\u589e\u3002java\u5c42\u7ec8\u4e8e\u6df7\u6dc6\u5b57\u7b26\u4e32\u4e86\u3002<\/p>\n

\u7a81\u7834\u53e3\u5c31\u662fnative\u5c42\uff0c\u987a\u52bf\u5c31\u627e\u5230\u4e86com.bilibili.nativelibrary.LibBili\u3002s\u65b9\u6cd5\uff08descriptor\uff1a(Ljava\/util\/SortedMap;)Lcom.bilibili.nativelibrary.SignedQuery;\uff09\u7b80\u76f4\u4e0d\u8981\u592a\u660e\u663e\uff0c\u987a\u7740\u5c31\u627e\u5230\u4e86bl.idh\u7c7b\u3002\u91cc\u9762\u4e00\u4e2a\u52a0\u901a\u7528\u8bf7\u6c42\u53c2\u6570\u4e00\u4e2a\u52a0\u8bf7\u6c42\u5934\u7684\u65b9\u6cd5\u76f4\u63a5\u53ef\u4ee5\u6316\u6398\u51fa\u5f88\u591a\u4fe1\u606f\u3002\u7531\u4e8eB\u7ad9App\u7528\u7684\u662fokhttp\uff0c\u800cokhttp3\u5305\u4e0b\u7c7b\u591a\u6709\u6b8b\u7f3a\uff0c\u8bf4\u660e\u80af\u5b9a\u88ab\u6df7\u6dc6\u4e86\u4e00\u90e8\u5206\u3002\u679c\u7136\uff0cbl.mhs\u5bf9\u5e94okhttp3.Request\u3001bl.mhm\u5bf9\u5e94okhttp3.Headers\u2026\u2026\u8fd9\u6837\u4e00\u6062\u590d\uff0c\u90a3\u6574\u4e2ahttp\u8bf7\u6c42\u76f8\u5173\u7684\u90e8\u5206\u5c31\u6e05\u695a\u5f88\u591a\u4e86\u3002<\/p>\n

native\u5c42\u4e5f\u7ec8\u4e8e\u6709\u70b9\u5b89\u5168\u610f\u8bc6\u4e86\uff0c\u7b80\u5355\u7684\u770b\u4e86\u4e00\u4e0b\uff0c\u5173\u952e\u51e0\u4e2a\u65b9\u6cd5\u90fd\u8fdb\u884c\u4e86\u4e00\u5b9a\u5904\u7406\u3002\u4e0d\u8fc7\u5e76\u6ca1\u6709\u505a\u7279\u522b\u7684\u9488\u5bf9IDA\u7684\u5904\u7406\u3002\u8fd9\u91cc\u770b\u5173\u952e\u7684libbili.so\u3002\u5728\u51fd\u6570\u8868\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u65b9\u6cd5\u540d\u548cdescriptor\u540d\u3002<\/p>\n

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

\u5206\u6790\u8d77\u6765\u6709\u70b9\u8d39\u52b2\u2026\u2026\u6bd5\u7adf\u548cjava\u5b57\u8282\u7801\u4e0d\u540c\uff0c\u800c\u4e14\u6211\u5bf9\u6c47\u7f16\u6839\u672c\u53ea\u662f\u4e86\u89e3\u4e86\u70b9\u76ae\u6bdb\u3002\u4e0d\u8fc7\u770b\u5230\u4e00\u4e9b\u51fd\u6570\u6253\u5370\u7684log\u91cc\u6709J4A\uff0c\u90a3\u5c31\u77ac\u95f4\u8212\u670d\u4e86\u3002\u7b80\u5355\u8bf4\u660e\u4e0b\uff0cJ4A\u662fB\u7ad9native\u5c42\u5f00\u53d1\u81ea\u5df1\u9020\u7684\u8f6e\u5b50\uff0c\u5f00\u6e90\u7684ijkplayer\u5c31\u7528\u7684\u8fd9\u4e2a\u3002\u4e8e\u662f\uff0c\u51e0\u4e2aJ4A\u7684\u65b9\u6cd5\u5c31\u9646\u7eed\u627e\u5230\u4e86\u3002\u7531\u6b64\uff0c\u4e00\u4e9b\u53d8\u91cf\u7684\u610f\u4e49\u4e5f\u6e05\u695a\u4e86\u3002\u5176\u5b9e\u6700\u70e6\u7684\u5c31\u662f\u901a\u8fc7JNIEnv\u8c03\u7528\u7684\u65b9\u6cd5\uff08\u5bf9\u5e94\u6e90\u7801\u4e2d\u7684(**env).func(…);\uff09\uff1a<\/p>\n

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

\u6bcf\u4e00\u6b21\u90fd\u8981\u8dd1\u5230\u51fd\u6570\u8868\u91cc\u7b97\u4e00\u7b97\uff0c\u90a3\u53eb\u4e00\u4e2a\u8f9b\u9178\u554a\u3002\u4ee5\u540e\u518d\u5f04\u597d\u4e86\uff0c\u73b0\u5728\u91cd\u70b9\u8fd8\u662fjava\u5c42\u7684\u903b\u8f91\uff0cnative\u5c42\u5927\u81f4\u4e86\u89e3\u4e0b\u5c31\u884c\u3002<\/p>\n

8.17<\/h1>\n

\u4eca\u5929\u4e3b\u8981\u662f\u7814\u7a76\u63a5\u53e3\u7684\u8bf7\u6c42\u90e8\u5206\u3002\u5207\u5165\u70b9\u662fbl.idh\uff0c\u6839\u636e\u5b50\u7c7b\u548c\u5185\u90e8\u5b9e\u73b0\uff0c\u6682\u53d6\u4f5cBaseRequesterInterceptor\uff0c\u5b9e\u73b0\u7684\u63a5\u53e3bl.idk\u53d6\u4f5cIRequestInterceptor\u3002\u884d\u751f\u7684\u5b50\u7c7b\u6709\uff1aLiveRequestInterceptor\uff08bl.btn\uff09\u3001BanguiRequesterInterceptor\uff08bl.bfn\uff09\u3001SsoRequesterInterceptor\uff08bl.bta\uff0c\u5b9e\u73b0\u5f88\u5e7d\u9ed8\uff09\u3001SearchRequestInterceptor\uff08bl.btj\uff09\u2026\u2026\u6709\u4e9b\u7c7b\u8fd8\u6ca1\u6765\u5f97\u53ca\u547d\u540d\u3002\u5176\u5b9e\u641e\u6e05\u695aRequesterInterceptor\uff0c\u57fa\u672c\u4e0a\u5c31\u53ef\u4ee5\u81ea\u5df1\u6784\u5efa\u4efb\u610f\u8bf7\u6c42\u4e86\u3002\u6bd4\u8f83\u91cd\u8981\u7684\u65b9\u6cd5\u5c31\u662fappendParam\uff08Obf name: a\uff0c Descriptor: (Ljava\/util\/Map;)V\uff09\u548cappendHeader\uff08Obf name: a\uff0c Descriptor: (Lbl\/idh$a;)V\uff09\u3002\u5177\u4f53\u63a5\u53e3\u7684RequesterInterceptor\u4e00\u822c\u90fd\u91cd\u8f7d\u4e86\u8fd9\u4e9b\u65b9\u6cd5\u4ee5\u52a0\u5165\u7279\u6709\u7684\u53c2\u6570\u3002<\/p>\n

\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0cGet\u4e0ePost\u65b9\u6cd5\u7684\u533a\u5206\u975e\u5e38\u8ff7\u5e7b\u3002LiveRequestInterceptor\u91cd\u8f7d\u4e86buildPostRequest\u65b9\u6cd5\uff0c\u7136\u540e\u7528\u4e86\u4e00\u4e2aLiveApiChecker\uff08bl.btm\uff09\u7684isGetRequest\u6765\u68c0\u67e5\u662f\u5426\u4e3aGET\u65b9\u6cd5\u7684\u63a5\u53e3\uff0c\u5982\u679c\u662f\u5c31\u8c03\u7528super.buildGetRequest\uff0c\u53ef\u4ee5\u8bf4\u662f\u5f88\u8ff7\u5e7b\u4e86\u3002\u53e6\u5916\uff0cswitch\u4f7f\u7528String\u7684\u9006\u5411\u7ed3\u679c\u770b\u7740\u771f\u662f\u7d2f\uff0cFernFlower\u4e0d\u7528\u8bf4\uff0cCFR\u7adf\u7136\u4e5f\u4e0d\u80fd\u6062\u590d\uff08\u53ef\u80fd\u662f\u59ff\u52bf\u4e0d\u5bf9\uff09\u3002<\/p>\n

\u5176\u4f59\u5e72\u4e86\u5565\u5c31\u60f3\u4e0d\u8d77\u6765\u4e86\u2026\u2026<\/p>\n

8.18<\/h1>\n

\u4eca\u5929\u5f00\u59cb\u7740\u624b\u6574native\u5c42\u3002\u4e4b\u524d\u6211\u6c99\u96d5\u4e86\uff0c\u53ea\u8981\u5f15\u5165jni.h\u5c31\u884c\u4e86\u3002\u6211\u7528\u7684IDA7.0\u81ea\u5e26\u8fd9\u4e9b\u7ed3\u6784\u4f53\uff0c\u7528IDA\u7684F5\u5927\u6cd5\uff0c\u5bf9\u7740\u53d8\u91cf\u6309y\u7136\u540e\u65e0\u8111JNIEnv*\u5c31\u884c\u3002\u8fd9\u6b21\u4e3b\u8981\u662f\u628aLibBili\u7684getAppkeyByDeviceNative\uff08Obf name: a\uff0cdescriptor: (Ljava\/lang\/String;)Ljava\/lang\/String;\uff09\u548cappendSignNative\uff08Obf name: s\uff0cdescriptor: (Ljava\/util\/SortedMap;)Lcom\/bilibili\/nativelibrary\/SignedQuery;\uff09\u4fe9\u65b9\u6cd5\u641e\u6e05\u695a\u3002\u53e6\u5916\u4e00\u4e2aAES\u6709\u5173\u7684java\u5c42\u8fd8\u6ca1\u770b\u662f\u5e72\u5565\u7528\u7684\uff0c\u6682\u65f6\u9e3d\u7740\u3002<\/p>\n

getAppkeyByDeviceNative\u6bd4\u8f83\u597d\u5206\u6790\uff0c\u4e3b\u903b\u8f91\u5728sub_2f60\u3002\u6ca1\u5565\u590d\u6742\u7684\uff0c\u5c31\u662f\u5b57\u7b26\u4e32\u5bf9\u6bd4\u7136\u540e\u8fd4\u56de\u5bf9\u5e94\u7684appkey\uff0c\u552f\u4e00\u7684\u91cd\u70b9\u5c31\u662f\u77e5\u9053\u4e86\u51e0\u4e2a\u53ef\u7528\u7684device\uff1aandroid\u3001android_i\u3001android_b\u3001android_tv\u3001biliLink\u3002<\/p>\n

appendSignNative\u6bd4\u8f83\u590d\u6742\uff0c\u4e3b\u903b\u8f91\u5728sub_27a0\u3002\u5148\u662f\u4e00\u5806\u65e0\u5173\u7d27\u8981\u7684\u53c2\u6570\u9a8c\u8bc1\uff0c\u7136\u540e\u662f\u6838\u5fc3\u7684sign\u8ba1\u7b97\u3002\u9996\u5148\u8c03\u7528SignedQuery\u7684\u9759\u6001\u65b9\u6cd5mapParamToString\uff08dword_C0AC\uff09\u62fc\u63a5\u53c2\u6570\uff0c\u7136\u540e\u8c03\u7528sub_2600\u83b7\u53d6appkey\u7684\u7c7b\u578b\u3002sub_2600\u63a5\u53d7appkey\uff0c\u8fd4\u56de\u6574\u65700-4\uff08\u5bf9\u5e94\u4e0a\u9762\u76845\u4e2adevice\uff09\u3002<\/p>\n

\u4e4b\u540e\u5c06\u8fd4\u56de\u7684\u6574\u6570\u4f5c\u4e3a\u6570\u7ec4\u4e0b\u6807\uff0c\u8bbf\u95ee\u5b58\u50a8secretkey\u7684dword_7980\u3001dword_7994\u3001dword_79A8\u3001dword_79BC\u3002\u6700\u540e\u628a\u5185\u5bb9\u62fc\u63a5\u5728\u4e4b\u524d\u62fc\u63a5\u7684\u53c2\u6570\u4e4b\u540e\uff0c\u6574\u4f53\u8ba1\u7b97MD5\uff08sub_2070\uff09\uff0c\u7136\u540enew\u4e00\u4e2aSignedQuery\u5bf9\u8c61\u5e76\u8fd4\u56de\u3002<\/p>\n

secretkey\u4ee5\u6574\u6570\u5f62\u5f0f\u5206\u522b\u5b58\u50a8\u4e8e\u6570\u7ec4dword_7980\u3001dword_7994\u3001dword_79A8\u3001dword_79BC\u3002<\/p>\n

\"dword_7980\"<\/a><\/p>\n

\u4e8e\u662f\u5c31\u53ef\u4ee5\u62fc\u51fa5\u4e2aak\u3001sk\u5bf9\u4e86\uff1a<\/p>\n

Device: android
\nDescription: \u666e\u901a\u7248
\nAppKey: 1d8b6e7d45233436
\nSecretKey: 560c52ccd288fed045859ed18bffd973<\/p>\n

Device: android_i
\nDescription: \u56fd\u9645\u7248
\nAppKey: bb3101000e232e27
\nSecretKey: 36efcfed79309338ced0380abd824ac1<\/p>\n

Device: android_b
\nDescription: \u6982\u5ff5\u7248
\nAppKey: 07da50c9a0bf829f
\nSecretKey: 25bdede4e1581c836cab73a48790ca6e<\/p>\n

Device: android_tv
\nDescription: \u7535\u89c6\u7248
\nAppKey: 4409e2ce8ffd12b8
\nSecretKey: 59b43e04ad6965f34319062b478f83dd<\/p>\n

Device: biliLink
\nDescription: \u76f4\u64ad
\nAppKey: 37207f2beaebf8d7
\nSecretKey: e988e794d4d4b6dd43bc0e89d6e90c43<\/p><\/blockquote>\n

\u53ea\u80fd\u8bf4\u6bd4\u539f\u5148\u5b89\u5168\u4e86\u70b9\u3002\u603b\u7ed3\u4e0bak\u3001sk\u5b58\u50a8\u65b9\u5f0f\u7684\u53d8\u5316\uff1a<\/p>\n

    \n
  1. \uff08\u4e24\u5e74\u524d\uff09\u4fe9native\u65b9\u6cd5\u76f4\u63a5get\uff0c\u5b89\u5168\u6027\u57fa\u672c\u6ca1\u6709\u3002<\/li>\n
  2. \uff08\u4e00\u5e74\u524d\uff09sk\u505a\u4e86RSA\uff08\u4e5f\u8bb8\u662f\u8bb0\u9519\u4e86\uff0c\u53cd\u6b63\u52a0\u5bc6\u4e86\u4e0b\uff09\u52a0\u5bc6\uff0c\u5b89\u5168\u6027\u6709\u6240\u63d0\u5347\u3002\u4f46\u662f\u65b0\u5efa\u4e2aapp\u7136\u540e\u8c03\u7528\u4e0b\u89e3\u7801\u65b9\u6cd5\u5c31\u884c\uff0c\u5e76\u6ca1\u6709\u4ec0\u4e48\u5375\u7528\u3002<\/li>\n
  3. \uff08\u73b0\u5728\uff09sign\u8ba1\u7b97\u5199\u8fdbnative\u5c42\uff0c\u4f7f\u7528\u6574\u6570\u6570\u7ec4\u62c6\u5206\u5b58\u50a8sk\u3002\u6bd4\u8f83\u5b89\u5168\uff0c\u7136\u800csk\u5e76\u6ca1\u6709\u7f16\u7801\u4fdd\u5b58\u3002<\/li>\n<\/ol>\n

    \u6709\u8da3\u7684\u662f\uff0c\u89c6\u9891\u63a5\u53e3\u7684ak\u3001sk\u5e76\u4e0d\u5728libbili.so\u3002\u770b\u6765\u53ea\u80fd\u7ee7\u7eed\u5206\u6790java\u5c42\u4e86\u3002<\/p>\n

    java\u5c42\u7684\u5206\u6790\u6700\u540e\u4ee5IMediaResolver\u5165\u624b\uff0c\u627e\u5230\u4e86\u51e0\u4e2aResolver\uff1aNormalResolver\uff08bl.gmh\uff09\u3001BangumiResolver\uff08bl.gmd\uff09\u3001LiveResolver\uff08bl.gmf\uff09\u3002\u7136\u540e\u5c31\u627e\u5230\u4e86\u62fc\u63a5\u53c2\u6570\u7528\u7684ApiRequest\uff08bl.glw\uff09\uff0c\u7136\u540e\u5c31\u627e\u5230\u4e86\u5b9e\u73b0ISigner\uff08bl.gmb\uff09\u7684NormalSigner\uff08bl.glx\uff09\u548cVideoSigner\uff08bl.glz\uff09\u3002\u67e5\u770bVideoSigner\u7684\u5b9e\u73b0\u53d1\u73b0\u8c03\u7528\u4e86VideoSignHelper\uff08bl.gmu\uff09\u7684\u76f8\u5173\u65b9\u6cd5\u8fdb\u884c\u53c2\u6570\u62fc\u63a5\u3002VideoSignHelper\u4f7f\u7528\u4e86\u7279\u6b8a\u7684\u7f16\u7801\u65b9\u5f0f\u6765\u5b58\u50a8\u89c6\u9891\u7528ak\u3001sk\u5bf9\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

    public static String decode(int shift, String encodedStr) {\r\n    String result = "";\r\n    byte[] encodedBytes = encodedStr.getBytes();\r\n\r\n    for (byte chr : encodedBytes) {\r\n        int var8 = 65 + (chr - 65 + shift) % 57;\r\n        int shiftCount = 0;\r\n\r\n        while (var8 > 90 && var8 < 97) {\r\n            shift += shiftCount * shift;\r\n            ++shiftCount;\r\n            var8 = 65 + (chr - 65 + shift) % 57;\r\n            System.out.println("t" + shift);\r\n        }\r\n\r\n        result += (char) var8;\r\n    }\r\n\r\n    return result;\r\n}<\/pre>\n
    \u7c7b\u4f3c\u51ef\u6492\u5bc6\u7801\uff0cak\u7684\u504f\u79fb\u662f3\uff0csk\u7684\u504f\u79fb\u662f9\u3002\u6700\u540e\u5f97\u5230\u7684ak\u3001sk\u5982\u4e0b\u3002<\/p>\n
    AppKey: iVGUTjsxvpLeuDCf
    \nSecretKey: aHRmhWMLkdeMuILqORnYZocwMBpMEOdt<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"
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