HttpClient 模拟登录Web版新浪微博

public static Cookie[] getWCookies(String username,String password) throws HttpException, IOException{
        HttpClient client =null; 
        PostMethod post = null;
        GetMethod get = null;
        try{
            client = new HttpClient();
            client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
            post = new PostMethod("http://login.sina.com.cn/sso/login.php?client=ssologin.js(v1.3.16)");    
            String data = getServerTime();    
            String nonce = makeNonce(6);
            NameValuePair[] nvps = new NameValuePair[] {
                                new NameValuePair("entry", "weibo"),
                                new NameValuePair("gateway", "1"),
                                new NameValuePair("from", ""),
                                new NameValuePair("savestate", "7"),
                                new NameValuePair("useticket", "1"),
                                new NameValuePair("ssosimplelogin", "1"),
                                new NameValuePair("vsnf", "1"),
                                new NameValuePair("vsnval", ""),
                                new NameValuePair("su", encodeAccount(username)),
                                new NameValuePair("service", "miniblog"),
                                new NameValuePair("servertime", data),
                                new NameValuePair("nonce", nonce),
                                new NameValuePair("pwencode", "wsse"),
                                new NameValuePair("sp", new SinaSSOEncoder().encode(password, data, nonce)),
                                new NameValuePair("encoding", "UTF-8"),
                                new NameValuePair("returntype", "META"),
                                new NameValuePair(
                                        "url",
                                        "http://weibo.com/ajaxlogin.php?framelogin=1&callback=parent.sinaSSOController.feedBackUrlCallBack") };
        
                post.setRequestBody(nvps);
                client.executeMethod(post);
                String url = post.getResponseBodyAsString().substring(post.getResponseBodyAsString().indexOf("http://weibo.com/ajaxlogin.php?"),post.getResponseBodyAsString().indexOf("code=0")+6);
                get = new GetMethod(url);
                client.executeMethod(get);
        }catch(IOException e){
            e.printStackTrace();
        }finally{
            get.abort();
            post.abort();
        }
        
        return client.getState().getCookies();
    }

其中密码部分进行了加密，加密的算法在网页的js文件里，网上有人把它改成了Java代码。

下面是SinaSSoEncoder类：

public class SinaSSOEncoder {
    private boolean i = false;
    private int g = 8;

    public SinaSSOEncoder() {

    }

    public String encode(String psw, String servertime, String nonce) {
        String password;
        password = hex_sha1("" + hex_sha1(hex_sha1(psw)) + servertime + nonce);
        return password;
    }

    private String hex_sha1(String j) {
        return h(b(f(j, j.length() * g), j.length() * g));
    }

    private String h(int[] l) {
        String k = i ? "0123456789ABCDEF" : "0123456789abcdef";
        String m = "";
        for (int j = 0; j < l.length * 4; j++) {
            m += k.charAt((l[j >> 2] >> ((3 - j % 4) * 8 + 4)) & 15) + ""
                    + k.charAt((l[j >> 2] >> ((3 - j % 4) * 8)) & 15);
        }
        return m;
    }

    private int[] b(int[] A, int r) {
        A[r >> 5] |= 128 << (24 - r % 32);
        A[((r + 64 >> 9) << 4) + 15] = r;
        int[] B = new int[80];
        int z = 1732584193;
        int y = -271733879;
        int v = -1732584194;
        int u = 271733878;
        int s = -1009589776;
        for (int o = 0; o < A.length; o += 16) {
            int q = z;
            int p = y;
            int n = v;
            int m = u;
            int k = s;
            for (int l = 0; l < 80; l++) {
                if (l < 16) {
                    B[l] = A[o + l];
                } else {
                    B[l] = d(B[l - 3] ^ B[l - 8] ^ B[l - 14] ^ B[l - 16], 1);
                }
                int C = e(e(d(z, 5), a(l, y, v, u)), e(e(s, B[l]), c(l)));
                s = u;
                u = v;
                v = d(y, 30);
                y = z;
                z = C;
            }
            z = e(z, q);
            y = e(y, p);
            v = e(v, n);
            u = e(u, m);
            s = e(s, k);
        }
        return new int[] { z, y, v, u, s };
    }

    private int a(int k, int j, int m, int l) {
        if (k < 20) {
            return (j & m) | ((~j) & l);
        }
        if (k < 40) {
            return j ^ m ^ l;
        }
        if (k < 60) {
            return (j & m) | (j & l) | (m & l);
        }
        return j ^ m ^ l;
    }

    private int c(int j) {
        return (j < 20) ? 1518500249 : (j < 40) ? 1859775393
                : (j < 60) ? -1894007588 : -899497514;
    }

    private int e(int j, int m) {
        int l = (j & 65535) + (m & 65535);
        int k = (j >> 16) + (m >> 16) + (l >> 16);
        return (k << 16) | (l & 65535);
    }

    private int d(int j, int k) {
        return (j << k) | (j >>> (32 - k));
    }

    private int[] f(String m, int r) {
        int[] l;
        int j = (1 << this.g) - 1;
        int len = ((r + 64 >> 9) << 4) + 15;
        int k;
        for (k = 0; k < m.length() * g; k += g) {
            len = k >> 5 > len ? k >> 5 : len;
        }
        l = new int[len + 1];
        for (k = 0; k < l.length; k++) {
            l[k] = 0;
        }
        for (k = 0; k < m.length() * g; k += g) {
            l[k >> 5] |= (m.charAt(k / g) & j) << (24 - k % 32);
        }
        return l;
    }

}

 

转：http://www.cnblogs.com/e241138/archive/2012/09/16/2687124.html