AliPayLogic.java package com.cnsunrun.home.logic;import android.app.Activity;import android.os.Handler;import android.os.Message;import android.text.TextUtils;import android.util.Log;import com.alipay.sdk.app.EnvUtils;import com.alipay.sdk.
package com.cnsunrun.home.logic;
import android.app.Activity;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.util.Log;
import com.alipay.sdk.app.EnvUtils;
import com.alipay.sdk.app.PayTask;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Random;
/**
* 阿里支付逻辑块
* Created by WQ on 2017/11/24.
*/
public class AliPayLogic {
private Activity context;
public static final int SDK_PAY_FLAG = 1;
private Thread payThread;
private Handler mHandler;
private String orderInfo;
private EnvUtils.EnvEnum envEnum= EnvUtils.EnvEnum.ONLINE;
/**
* @param context s
* @param mHandler 用于消息回调
*/
public AliPayLogic(Activity context, Handler mHandler) {
this.context = context;
this.mHandler = mHandler;
}
/**
* 启动支付 -
*
* @param orderInfo 拼接好的加签名的订单信息字符串
* @param envEnum 支付环境-正式/沙箱
*/
public void startAliPay(final String orderInfo, EnvUtils.EnvEnum envEnum) {
EnvUtils.setEnv(envEnum);
Runnable payRunnable = new Runnable() {
@Override
public void run() {
PayTask alipay = new PayTask(context);
Map
result = alipay.payV2(orderInfo, true);
Log.i("msp", result.toString());
if (payThread == null) return;
PayResult payResult = new PayResult(result);
/**
对于支付结果，请商户依赖服务端的异步通知结果。同步通知结果，仅作为支付结束的通知。
*/
String resultInfo = payResult.getResult();// 同步返回需要验证的信息
String resultStatus = payResult.getResultStatus();
Message msg = new Message();
msg.what = SDK_PAY_FLAG;
msg.obj = resultStatus;
mHandler.sendMessage(msg);
}
};
payThread = new Thread(payRunnable);
payThread.start();
}
/**
* 启动支付 - 该方法不会再使用通过builder构建的订单相关参数
*
* @param orderInfo 拼接好的加签名的订单信息字符串
*/
public void startAliPay(final String orderInfo) {
startAliPay(orderInfo,envEnum);
}
/**
* 启动支付-用于参数通过builder构建,私钥由app端保存,不建议使用
*/
public void startAliPay(){
startAliPay(orderInfo,envEnum);
}
/**
* 销毁-资源释放
*/
public void onDestory() {
if (payThread != null) {
// payThread.stop();
payThread = null;
mHandler.removeMessages(SDK_PAY_FLAG);
mHandler = null;
context = null;
}
}
public static class Builder {
AliPayLogic aliPayLogic;
String app_id;
String total_amount;
String subject;
String body;
String rsa_key;
String notify_url;
boolean rsa2=true;
private EnvUtils.EnvEnum envEnum;
public Builder(Activity context, Handler mHandler) {
aliPayLogic=new AliPayLogic(context,mHandler);
}
/**
* 设置appid
* @param app_id
* @return
*/
public Builder setApp_id(String app_id) {
this.app_id = app_id;
return this;
}
/**
* 设置支付金额
* @param total_amount
* @return
*/
public Builder setTotal_amount(String total_amount) {
this.total_amount = total_amount;
return this;
}
/**
*设置商品描述
* @param subject
* @return
*/
public Builder setTitle(String subject) {
this.subject = subject;
return this;
}
/**
* 设置商品标题名称
* @param body
* @return
*/
public Builder setBody(String body) {
this.body = body;
return this;
}
/**
* 设置是否使用rsa2签名,默认true
* @param rsa2
* @return
*/
public Builder setRsa2(boolean rsa2) {
this.rsa2 = rsa2;
return this;
}
/**
* 设置私钥
* @param rsa_key
* @return
*/
public Builder setRsa_key(String rsa_key) {
this.rsa_key = rsa_key;
return this;
}
/**
* 设置异步通知地址
* @param notify_url
* @return
*/
public Builder setNotify_url(String notify_url) {
this.notify_url = notify_url;
return this;
}
/**
* 设置支付模式-沙箱/正式环境,默认沙箱
* @param envEnum 支付模式枚举
* @return
*/
public Builder setEnvEnum(EnvUtils.EnvEnum envEnum) {
this.envEnum = envEnum;
return this;
}
public AliPayLogic create(){
Map
params = buildOrderParamMap(app_id,total_amount,subject,body,notify_url, rsa2); String orderParam = buildOrderParam(params); String sign = getSign(params, rsa_key, rsa2); aliPayLogic.envEnum=envEnum; aliPayLogic.orderInfo= orderParam + "&" + sign; return aliPayLogic; } /** * 构造支付订单参数列表 * * @param app_id * @return */ private static Map
buildOrderParamMap(String app_id, String total_amount, String subject, String body,String notify_url, boolean rsa2) { Map
keyValues = new HashMap
(); keyValues.put("app_id", app_id); keyValues.put("biz_content", "{\"timeout_express\":\"30m\",\"product_code\":\"QUICK_MSECURITY_PAY\",\"total_amount\":\"" + total_amount + "\",\"subject\":\"" + subject + "\",\"body\":\"" + body + "\",\"out_trade_no\":\"" + getOutTradeNo() + "\"}"); keyValues.put("charset", "utf-8"); keyValues.put("method", "alipay.trade.app.pay"); keyValues.put("notify_url", notify_url); keyValues.put("sign_type", rsa2 ? "RSA2" : "RSA"); keyValues.put("timestamp", getTimestamp()); keyValues.put("version", "1.0"); return keyValues; } private static String getTimestamp() { SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); return simpleDateFormat.format(Calendar.getInstance().getTime()); } /** * 构造支付订单参数信息 * * @param map 支付订单参数 * @return */ private static String buildOrderParam(Map
map) { List
keys = new ArrayList
(map.keySet()); StringBuilder sb = new StringBuilder(); for (int i = 0; i < keys.size() - 1; i++) { String key = keys.get(i); String value = map.get(key); sb.append(buildKeyValue(key, value, true)); sb.append("&"); } String tailKey = keys.get(keys.size() - 1); String tailValue = map.get(tailKey); sb.append(buildKeyValue(tailKey, tailValue, true)); return sb.toString(); } /** * 拼接键值对 * * @param key * @param value * @param isEncode * @return */ private static String buildKeyValue(String key, String value, boolean isEncode) { StringBuilder sb = new StringBuilder(); sb.append(key); sb.append("="); if (isEncode) { try { sb.append(URLEncoder.encode(value, "UTF-8")); } catch (UnsupportedEncodingException e) { sb.append(value); } } else { sb.append(value); } return sb.toString(); } /** * 对支付参数信息进行签名 * * @param map 待签名授权信息 * @return */ private static String getSign(Map
map, String rsaKey, boolean rsa2) { List
keys = new ArrayList
(map.keySet()); // key排序 Collections.sort(keys); StringBuilder authInfo = new StringBuilder(); for (int i = 0; i < keys.size() - 1; i++) { String key = keys.get(i); String value = map.get(key); authInfo.append(buildKeyValue(key, value, false)); authInfo.append("&"); } String tailKey = keys.get(keys.size() - 1); String tailValue = map.get(tailKey); authInfo.append(buildKeyValue(tailKey, tailValue, false)); String oriSign = SignUtils.sign(authInfo.toString(), rsaKey, rsa2); String encodedSign = ""; try { encodedSign = URLEncoder.encode(oriSign, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return "sign=" + encodedSign; } /** * 要求外部订单号必须唯一。 * * @return */ private static String getOutTradeNo() { SimpleDateFormat format = new SimpleDateFormat("MMddHHmmss", Locale.getDefault()); Date date = new Date(); String key = format.format(date); Random r = new Random(); key = key + r.nextInt(); key = key.substring(0, 15); return key; } } /** * 支付结果实体 */ public class PayResult { private String resultStatus; private String result; private String memo; public PayResult(Map
rawResult) { if (rawResult == null) { return; } for (String key : rawResult.keySet()) { if (TextUtils.equals(key, "resultStatus")) { resultStatus = rawResult.get(key); } else if (TextUtils.equals(key, "result")) { result = rawResult.get(key); } else if (TextUtils.equals(key, "memo")) { memo = rawResult.get(key); } } } @Override public String toString() { return "resultStatus={" + resultStatus + "};memo={" + memo + "};result={" + result + "}"; } /** * @return the resultStatus */ public String getResultStatus() { return resultStatus; } /** * @return the memo */ public String getMemo() { return memo; } /** * @return the result */ public String getResult() { return result; } } /** * 签名工具 */ public static class SignUtils { private static final String ALGORITHM = "RSA"; private static final String SIGN_ALGORITHMS = "SHA1WithRSA"; private static final String SIGN_SHA256RSA_ALGORITHMS = "SHA256WithRSA"; private static final String DEFAULT_CHARSET = "UTF-8"; private static String getAlgorithms(boolean rsa2) { return rsa2 ? SIGN_SHA256RSA_ALGORITHMS : SIGN_ALGORITHMS; } public static String sign(String content, String privateKey, boolean rsa2) { try { PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec( Base64.decode(privateKey)); KeyFactory keyf = KeyFactory.getInstance(ALGORITHM); PrivateKey priKey = keyf.generatePrivate(priPKCS8); java.security.Signature signature = java.security.Signature .getInstance(getAlgorithms(rsa2)); signature.initSign(priKey); signature.update(content.getBytes(DEFAULT_CHARSET)); byte[] signed = signature.sign(); return Base64.encode(signed); } catch (Exception e) { e.printStackTrace(); } return null; } } /** * base64加密 */ public static final class Base64 { private static final int BASELENGTH = 128; private static final int LOOKUPLENGTH = 64; private static final int TWENTYFOURBITGROUP = 24; private static final int EIGHTBIT = 8; private static final int SIXTEENBIT = 16; private static final int FOURBYTE = 4; private static final int SIGN = -128; private static char PAD = '='; private static byte[] base64Alphabet = new byte[BASELENGTH]; private static char[] lookUpBase64Alphabet = new char[LOOKUPLENGTH]; static { for (int i = 0; i < BASELENGTH; ++i) { base64Alphabet[i] = -1; } for (int i = 'Z'; i >= 'A'; i--) { base64Alphabet[i] = (byte) (i - 'A'); } for (int i = 'z'; i >= 'a'; i--) { base64Alphabet[i] = (byte) (i - 'a' + 26); } for (int i = '9'; i >= '0'; i--) { base64Alphabet[i] = (byte) (i - '0' + 52); } base64Alphabet['+'] = 62; base64Alphabet['/'] = 63; for (int i = 0; i <= 25; i++) { lookUpBase64Alphabet[i] = (char) ('A' + i); } for (int i = 26, j = 0; i <= 51; i++, j++) { lookUpBase64Alphabet[i] = (char) ('a' + j); } for (int i = 52, j = 0; i <= 61; i++, j++) { lookUpBase64Alphabet[i] = (char) ('0' + j); } lookUpBase64Alphabet[62] = (char) '+'; lookUpBase64Alphabet[63] = (char) '/'; } private static boolean isWhiteSpace(char octect) { return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9); } private static boolean isPad(char octect) { return (octect == PAD); } private static boolean isData(char octect) { return (octect < BASELENGTH && base64Alphabet[octect] != -1); } /** * Encodes hex octects into Base64 * * @param binaryData Array containing binaryData * @return Encoded Base64 array */ public static String encode(byte[] binaryData) { if (binaryData == null) { return null; } int lengthDataBits = binaryData.length * EIGHTBIT; if (lengthDataBits == 0) { return ""; } int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP; int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP; int numberQuartet = fewerThan24bits != 0 ? numberTriplets + 1 : numberTriplets; char encodedData[] = null; encodedData = new char[numberQuartet * 4]; byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0; int encodedIndex = 0; int dataIndex = 0; for (int i = 0; i < numberTriplets; i++) { b1 = binaryData[dataIndex++]; b2 = binaryData[dataIndex++]; b3 = binaryData[dataIndex++]; l = (byte) (b2 & 0x0f); k = (byte) (b1 & 0x03); byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0); byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0); byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc); encodedData[encodedIndex++] = lookUpBase64Alphabet[val1]; encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)]; encodedData[encodedIndex++] = lookUpBase64Alphabet[(l << 2) | val3]; encodedData[encodedIndex++] = lookUpBase64Alphabet[b3 & 0x3f]; } // form integral number of 6-bit groups if (fewerThan24bits == EIGHTBIT) { b1 = binaryData[dataIndex]; k = (byte) (b1 & 0x03); byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0); encodedData[encodedIndex++] = lookUpBase64Alphabet[val1]; encodedData[encodedIndex++] = lookUpBase64Alphabet[k << 4]; encodedData[encodedIndex++] = PAD; encodedData[encodedIndex++] = PAD; } else if (fewerThan24bits == SIXTEENBIT) { b1 = binaryData[dataIndex]; b2 = binaryData[dataIndex + 1]; l = (byte) (b2 & 0x0f); k = (byte) (b1 & 0x03); byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0); byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0); encodedData[encodedIndex++] = lookUpBase64Alphabet[val1]; encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)]; encodedData[encodedIndex++] = lookUpBase64Alphabet[l << 2]; encodedData[encodedIndex++] = PAD; } return new String(encodedData); } /** * Decodes Base64 data into octects * * @param encoded string containing Base64 data * @return Array containind decoded data. */ public static byte[] decode(String encoded) { if (encoded == null) { return null; } char[] base64Data = encoded.toCharArray(); // remove white spaces int len = removeWhiteSpace(base64Data); if (len % FOURBYTE != 0) { return null;// should be divisible by four } int numberQuadruple = (len / FOURBYTE); if (numberQuadruple == 0) { return new byte[0]; } byte decodedData[] = null; byte b1 = 0, b2 = 0, b3 = 0, b4 = 0; char d1 = 0, d2 = 0, d3 = 0, d4 = 0; int i = 0; int encodedIndex = 0; int dataIndex = 0; decodedData = new byte[(numberQuadruple) * 3]; for (; i < numberQuadruple - 1; i++) { if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++])) || !isData((d3 = base64Data[dataIndex++])) || !isData((d4 = base64Data[dataIndex++]))) { return null; }// if found "no data" just return null b1 = base64Alphabet[d1]; b2 = base64Alphabet[d2]; b3 = base64Alphabet[d3]; b4 = base64Alphabet[d4]; decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4); decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf)); decodedData[encodedIndex++] = (byte) (b3 << 6 | b4); } if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))) { return null;// if found "no data" just return null } b1 = base64Alphabet[d1]; b2 = base64Alphabet[d2]; d3 = base64Data[dataIndex++]; d4 = base64Data[dataIndex++]; if (!isData((d3)) || !isData((d4))) {// Check if they are PAD characters if (isPad(d3) && isPad(d4)) { if ((b2 & 0xf) != 0)// last 4 bits should be zero { return null; } byte[] tmp = new byte[i * 3 + 1]; System.arraycopy(decodedData, 0, tmp, 0, i * 3); tmp[encodedIndex] = (byte) (b1 << 2 | b2 >> 4); return tmp; } else if (!isPad(d3) && isPad(d4)) { b3 = base64Alphabet[d3]; if ((b3 & 0x3) != 0)// last 2 bits should be zero { return null; } byte[] tmp = new byte[i * 3 + 2]; System.arraycopy(decodedData, 0, tmp, 0, i * 3); tmp[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4); tmp[encodedIndex] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf)); return tmp; } else { return null; } } else { // No PAD e.g 3cQl b3 = base64Alphabet[d3]; b4 = base64Alphabet[d4]; decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4); decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf)); decodedData[encodedIndex++] = (byte) (b3 << 6 | b4); } return decodedData; } /** * remove WhiteSpace from MIME containing encoded Base64 data. * * @param data the byte array of base64 data (with WS) * @return the new length */ private static int removeWhiteSpace(char[] data) { if (data == null) { return 0; } // count characters that's not whitespace int newSize = 0; int len = data.length; for (int i = 0; i < len; i++) { if (!isWhiteSpace(data[i])) { data[newSize++] = data[i]; } } return newSize; } } }