import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
public static UpToken parse(String token) {
    try {
        String[] t = token.split(":");
        if (t.length != 3) {
            return null;
        }
        try {
            JSONObject obj = new JSONObject(new String(UrlSafeBase64.decode(t[2])));
            if (obj.optString("scope").equals("") || obj.optInt("deadline") == 0) {
                return null;
            }
            return new UpToken(obj, token);
        } catch (JSONException e) {
            return null;
        }
    } catch (Exception e2) {
        return null;
    }
}
 

import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
public static String getUpToken() {
    try {
        // 1.确定上传策略
        // 2.将上传策略序列化称为json格式
        JSONObject jsonObj = new JSONObject();
        long deadline = System.currentTimeMillis() / 1000 + 3600;
        jsonObj.put("deadline", deadline);
        jsonObj.put("scope", QINIU_BUCKNAME);
        // 3.对json序列化后的上传策略进行URL安全的Base64编码,得到如下encoded
        String encodedPutPolicy = UrlSafeBase64.encodeToString(jsonObj.toString().getBytes());
        // 4.用SecretKey对编码后的上传策略进行HMAC-SHA1加密，并且做URL安全的Base64编码,得到如下的encodedSigned
        byte[] sign = HmacSHA1Encrypt(encodedPutPolicy, QINIU_SK);
        String encodedSigned = UrlSafeBase64.encodeToString(sign);
        // 5.将 AccessKey、encodeSigned 和 encoded 用 “:” 连接起来，得到如下的UploadToken
        String uploadToken = QINIU_AK + ":" + encodedSigned + ":" + encodedPutPolicy;
        return uploadToken;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}
 

import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
/**
 * 生成HTTP请求签名字符串
 *
 * @param urlString
 * @param body
 * @param contentType
 * @return
 */
public String signRequest(String urlString, byte[] body, String contentType) {
    URI uri = URI.create(urlString);
    String path = uri.getRawPath();
    String query = uri.getRawQuery();

    Mac mac = createMac();

    mac.update(StringUtils.utf8Bytes(path));

    if (query != null && query.length() != 0) {
        mac.update((byte) ('?'));
        mac.update(StringUtils.utf8Bytes(query));
    }
    mac.update((byte) '\n');
    if (body != null && body.length > 0 && !StringUtils.isNullOrEmpty(contentType)) {
        if (contentType.equals(Client.FormMime)
                || contentType.equals(Client.JsonMime)) {
            mac.update(body);
        }
    }

    String digest = UrlSafeBase64.encodeToString(mac.doFinal());

    return this.accessKey + ":" + digest;
}
 

import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
public void set(String key, byte[] data) {
    IOException e;
    FileOutputStream fo = null;
    try {
        FileOutputStream fo2 = new FileOutputStream(new File(this.directory, UrlSafeBase64
                .encodeToString(key)));
        try {
            fo2.write(data);
            fo = fo2;
        } catch (IOException e2) {
            e = e2;
            fo = fo2;
            e.printStackTrace();
            if (fo == null) {
                try {
                    fo.close();
                } catch (IOException e3) {
                    e3.printStackTrace();
                    return;
                }
            }
        }
    } catch (IOException e4) {
        e3 = e4;
        e3.printStackTrace();
        if (fo == null) {
            fo.close();
        }
    }
    if (fo == null) {
        fo.close();
    }
}
 

import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
public String sign(byte[] data) {
    Mac mac = createMac();
    String encodedSign = UrlSafeBase64.encodeToString(mac.doFinal(data));
    return this.accessKey + ":" + encodedSign;
}
 

import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
public String signWithData(byte[] data) {
    String s = UrlSafeBase64.encodeToString(data);
    return sign(StringUtils.utf8Bytes(s)) + ":" + s;
}
 

import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
public byte[] get(String key) {
    IOException e;
    File f = new File(this.directory, UrlSafeBase64.encodeToString(key));
    FileInputStream fi = null;
    byte[] data = null;
    int read = 0;
    try {
        if (outOfDate(f)) {
            f.delete();
            return null;
        }
        data = new byte[((int) f.length())];
        FileInputStream fi2 = new FileInputStream(f);
        try {
            read = fi2.read(data);
            fi = fi2;
        } catch (IOException e2) {
            e = e2;
            fi = fi2;
            e.printStackTrace();
            if (fi != null) {
                try {
                    fi.close();
                } catch (IOException e3) {
                    e3.printStackTrace();
                }
            }
            if (read != 0) {
                return null;
            }
            return data;
        }
        if (fi != null) {
            fi.close();
        }
        if (read != 0) {
            return data;
        }
        return null;
    } catch (IOException e4) {
        e3 = e4;
        e3.printStackTrace();
        if (fi != null) {
            fi.close();
        }
        if (read != 0) {
            return data;
        }
        return null;
    }
}
 

import com.qiniu.android.utils.UrlSafeBase64; //导入依赖的package包/类
public void del(String key) {
    new File(this.directory, UrlSafeBase64.encodeToString(key)).delete();
}