Android支付宝接口集成

MobileSecurePayer之外的内容全部整合到MobileSecurePayerHelper之中。

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 /* * Copyright (C) 2010 The MobileSecurePay Project * All right reserved. * author: shiqun.shi@alipay.com *modify: fangle */ package com.alipay.android; import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import java.security.KeyFactory; import java.security.PrivateKey; import java.security.PublicKey; import java.security.Signature; import java.security.spec.PKCS8EncodedKeySpec; import java.security.spec.X509EncodedKeySpec; import java.util.ArrayList; import java.util.List; import javax.crypto.Cipher; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.message.BasicNameValuePair; import org.json.JSONException; import org.json.JSONObject; import android.content.Context; import android.content.Intent; import android.content.pm.PackageInfo; import android.net.Uri; import android.os.Handler; import android.os.Message; import android.util.Base64; public class MobileSecurePayHelper { static final String TAG = "MobileSecurePayHelper" ; public static final String PARTNER = "" ; public static final String SELLER = "" ; public static final String RSA_PRIVATE = "" ; public static final String RSA_ALIPAY_PUBLIC = "" ; Context mContext = null ; Handler mHandler = null ; String mUrl = null ; String mPath = null ; public static String Stream2String(InputStream is) { BufferedReader reader = new BufferedReader( new InputStreamReader(is)); StringBuilder sb = new StringBuilder(); String line = null ; try { while ((line = reader.readLine()) != null ) sb.append(line); is.close(); } catch (IOException e) { e.printStackTrace(); } return sb.toString(); } public static JSONObject string2JSON(String str, String split) { JSONObject json = new JSONObject(); try { String[] arrStr = str.split(split); for ( int i = 0 ; i < arrStr.length; i++) { String[] arrKeyValue = arrStr[i].split( "=" ); json.put(arrKeyValue[ 0 ], arrStr[i].substring(arrKeyValue[ 0 ].length() + 1 )); } } catch (Exception e) { e.printStackTrace(); } return json; } public static String SendAndWaitResponse(String strReqData, String strUrl) { String strResponse = null ; ArrayList<BasicNameValuePair> pairs = new ArrayList<BasicNameValuePair>(); pairs.add( new BasicNameValuePair( "requestData" , strReqData)); HttpURLConnection conn = null ; UrlEncodedFormEntity p_entity; try { p_entity = new UrlEncodedFormEntity(pairs, "utf-8" ); URL url = new URL(strUrl); conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout( 30 * 1000 ); conn.setReadTimeout( 30 * 1000 ); conn.setDoOutput( true ); conn.addRequestProperty( "Content-type" , "application/x-www-form-urlencoded;charset=utf-8" ); conn.connect(); OutputStream os = conn.getOutputStream(); p_entity.writeTo(os); os.flush(); InputStream content = conn.getInputStream(); strResponse = Stream2String(content); } catch (IOException e) { e.printStackTrace(); } finally { conn.disconnect(); } return strResponse; } public static boolean urlDownloadToFile(Context context, String strurl, String path) { boolean bRet = false ; try { URL url = new URL(strurl); HttpURLConnection conn = null ; conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout( 30 * 1000 ); conn.setReadTimeout( 30 * 1000 ); conn.setDoInput( true ); conn.connect(); InputStream is = conn.getInputStream(); File file = new File(path); file.createNewFile(); FileOutputStream fos = new FileOutputStream(file); byte [] temp = new byte [ 1024 ]; int i = 0 ; while ((i = is.read(temp)) > 0 ) fos.write(temp, 0 , i); fos.close(); is.close(); bRet = true ; } catch (IOException e) { e.printStackTrace(); } return bRet; } public static String RsaEncode(String content, String key) { try { X509EncodedKeySpec x509 = new X509EncodedKeySpec(Base64.decode(key, Base64.DEFAULT)); KeyFactory kf = KeyFactory.getInstance( "RSA" ); PublicKey pubKey = kf.generatePublic(x509); Cipher cipher = Cipher.getInstance( "RSA/ECB/PKCS1Padding" ); cipher.init(Cipher.ENCRYPT_MODE, pubKey); byte plaintext[] = content.getBytes( "UTF-8" ); byte [] output = cipher.doFinal(plaintext); return new String(Base64.encode(output, Base64.DEFAULT)); } catch (Exception e) { e.printStackTrace(); } return null ; } public static String RsaSign(String content, String privateKey) { try { PKCS8EncodedKeySpec pkcs8 = new PKCS8EncodedKeySpec(Base64.decode( privateKey, Base64.DEFAULT)); KeyFactory kf = KeyFactory.getInstance( "RSA" ); PrivateKey priKey = kf.generatePrivate(pkcs8); Signature signature = Signature.getInstance( "SHA1WithRSA" ); signature.initSign(priKey); signature.update(content.getBytes( "utf-8" )); byte [] signed = signature.sign(); return new String(Base64.encode(signed, Base64.DEFAULT)); } catch (Exception e) { e.printStackTrace(); } return null ; } public static boolean RsaCheck(String content, String sign, String publicKey) { try { KeyFactory keyFactory = KeyFactory.getInstance( "RSA" ); byte [] encodedKey = Base64.decode(publicKey, Base64.DEFAULT); PublicKey pubKey = keyFactory .generatePublic( new X509EncodedKeySpec(encodedKey)); Signature signature = Signature.getInstance( "SHA1WithRSA" ); signature.initVerify(pubKey); signature.update(content.getBytes( "utf-8" )); boolean bverify = signature.verify(Base64.decode(sign, Base64.DEFAULT)); return bverify; } catch (Exception e) { e.printStackTrace(); } return false ; } public MobileSecurePayHelper(Context context, Handler handler) { mContext = context; mHandler = handler; } public boolean detectService() { boolean isExist = false ; List<PackageInfo> pkgList = mContext.getPackageManager() .getInstalledPackages( 0 ); for ( int i = 0 ; i < pkgList.size(); i++) { if (pkgList.get(i).packageName .equalsIgnoreCase( "com.alipay.android.app" )) isExist = true ; } return isExist; } public void downloadAliMSP() { JSONObject Resp = null ; try { JSONObject req = new JSONObject(); req.put( "action" , "update" ); JSONObject data = new JSONObject(); data.put( "platform" , "android" ); data.put( "version" , "2.2.3" ); data.put( "partner" , "" ); req.put( "data" , data); Resp = new JSONObject(SendAndWaitResponse(req.toString(), "https://msp.alipay.com/x.htm" )); mUrl = Resp.getString( "updateUrl" ); } catch (JSONException e) { e.printStackTrace(); return ; } new Thread( new Runnable() { public void run() { mPath = mContext.getCacheDir().getAbsolutePath() + "/temp.apk" ; urlDownloadToFile(mContext, mUrl, mPath); Message msg = new Message(); msg.what = 2 ; mHandler.sendMessage(msg); } }).start(); } public void installAliMSP() { if (mPath == null ) return ; try { Runtime.getRuntime().exec( "chmod 777 " + mPath); } catch (IOException e) { e.printStackTrace(); } Intent intent = new Intent(Intent.ACTION_VIEW); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.setDataAndType(Uri.parse( "file://" + mPath), "application/vnd.android.package-archive" ); mContext.startActivity(intent); } }

集成很简单，一个OnClickListener负责调用支付服务，一个Handler负责处理支付过程中的相应事件：

Android支付宝接口集成

更多相关文章

随机推荐