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SOP/sop-sdk/sdk-csharp/SDKCSharp/Client/OpenClient.cs

325 lines
12 KiB

6 years ago
using System;
using System.Web;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
using System.Threading.Tasks;
using SDKCSharp.Common;
using SDKCSharp.Request;
using SDKCSharp.Response;
using SDKCSharp.Utility;
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using System.IO;
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using Newtonsoft.Json.Linq;
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namespace SDKCSharp.Client
{
/// <summary>
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/// 客户端,申明一个即可
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/// </summary>
public class OpenClient
{
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/// <summary>
/// 默认配置
/// </summary>
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private static OpenConfig DEFAULT_CONFIG = new OpenConfig();
private Dictionary<string, string> header = new Dictionary<string, string>();
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/// <summary>
/// 接口请求url
/// </summary>
private string url;
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/// <summary>
/// 平台提供的appId
/// </summary>
private string appId;
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/// <summary>
/// 开放平台提供的私钥
/// </summary>
private string privateKey;
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/// <summary>
/// 开放平台提供的公钥
/// </summary>
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private string publicKeyPlatform;
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/// <summary>
/// 配置项
/// </summary>
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private OpenConfig openConfig;
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/// <summary>
/// 请求对象
/// </summary>
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private OpenRequest openRequest;
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/// <summary>
/// 节点处理
/// </summary>
private DataNameBuilder dataNameBuilder;
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/// <summary>
/// 构建请求客户端
/// </summary>
/// <param name="url">接口url</param>
/// <param name="appId">平台分配的appId</param>
/// <param name="privateKey">平台分配的私钥</param>
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public OpenClient(string url, string appId, string privateKey)
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: this(url, appId, privateKey,false, DEFAULT_CONFIG)
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{
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}
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/// <summary>
/// 构建请求客户端
/// </summary>
/// <param name="url">接口url</param>
/// <param name="appId">平台分配的appId</param>
/// <param name="privateKey">平台分配的私钥</param>
/// <param name="publicKeyPlatform">平台分配的公钥</param>
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public OpenClient(string url, string appId, string privateKey, string publicKeyPlatform)
: this(url, appId, privateKey)
{
this.publicKeyPlatform = publicKeyPlatform;
}
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/// <summary>
/// 构建请求客户端
/// </summary>
/// <param name="url">接口url</param>
/// <param name="appId">平台分配的appId</param>
/// <param name="privateKey">平台分配的私钥</param>
/// <param name="priKeyFromFile">如果设置 <c>true</c> 从文件中加载私钥</param>
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public OpenClient(string url, string appId, string privateKey, bool priKeyFromFile)
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: this(url, appId, privateKey, priKeyFromFile, DEFAULT_CONFIG)
{
}
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/// <summary>
/// 构建请求客户端
/// </summary>
/// <param name="url">接口url</param>
/// <param name="appId">平台分配的appId</param>
/// <param name="privateKey">平台分配的私钥</param>
/// <param name="priKeyFromFile">如果设置 <c>true</c> 从文件中加载私钥</param>
/// <param name="publicKeyPlatform">平台分配的公钥</param>
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public OpenClient(string url, string appId, string privateKey, bool priKeyFromFile, string publicKeyPlatform)
: this(url, appId, privateKey, priKeyFromFile)
{
this.publicKeyPlatform = publicKeyPlatform;
}
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/// <summary>
/// 构建请求客户端
/// </summary>
/// <param name="url">接口url</param>
/// <param name="appId">平台分配的appId</param>
/// <param name="privateKey">平台分配的私钥</param>
/// <param name="priKeyFromFile">如果设置 <c>true</c> 从文件中加载私钥</param>
/// <param name="openConfig">配置项</param>
public OpenClient(string url, string appId, string privateKey,bool priKeyFromFile, OpenConfig openConfig)
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{
this.url = url;
this.appId = appId;
this.privateKey = privateKey;
this.openConfig = openConfig;
this.openRequest = new OpenRequest(openConfig);
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// 如果是从文件中加载私钥
if (priKeyFromFile)
{
this.privateKey = LoadCertificateFile(privateKey);
}
this.dataNameBuilder = openConfig.DataNameBuilder;
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}
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/// <summary>
/// 构建请求客户端
/// </summary>
/// <param name="url">接口url</param>
/// <param name="appId">平台分配的appId</param>
/// <param name="privateKey">平台分配的私钥</param>
/// <param name="priKeyFromFile">如果设置 <c>true</c> 从文件中加载私钥</param>
/// <param name="publicKeyPlatform">平台分配的公钥</param>
/// <param name="openConfig">配置项</param>
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public OpenClient(string url, string appId, string privateKey, bool priKeyFromFile, string publicKeyPlatform, OpenConfig openConfig)
: this(url, appId, privateKey, priKeyFromFile, openConfig)
{
this.publicKeyPlatform = publicKeyPlatform;
}
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/// <summary>
/// 加载秘钥文件
/// </summary>
/// <returns>返回私钥内容.</returns>
/// <param name="filename">文件路径.</param>
private static string LoadCertificateFile(string filename)
{
if(!File.Exists(filename))
{
throw new SopException("文件不存在," + filename);
}
using (FileStream fs = File.OpenRead(filename))
{
byte[] data = new byte[fs.Length];
fs.Read(data, 0, data.Length);
return Encoding.UTF8.GetString(data);
}
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}
/// <summary>
/// 发送请求
/// </summary>
/// <typeparam name="T">返回的Response类</typeparam>
/// <param name="request">请求对象</param>
/// <returns>返回Response类</returns>
public virtual T Execute<T>(BaseRequest<T> request) where T : BaseResponse
{
return this.Execute<T>(request, null);
}
/// <summary>
/// 发送请求
/// </summary>
/// <typeparam name="T">返回的Response类</typeparam>
/// <param name="request">请求对象</param>
/// <param name="accessToken">accessToken</param>
/// <returns>返回Response类</returns>
public virtual T Execute<T>(BaseRequest<T> request, string accessToken) where T : BaseResponse
{
RequestForm requestForm = request.CreateRequestForm(this.openConfig);
Dictionary<string, string> form = requestForm.Form;
if (!string.IsNullOrEmpty(accessToken))
{
form[this.openConfig.AccessTokenName] = accessToken;
}
form[this.openConfig.AppKeyName] = this.appId;
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string sign = SignUtil.CreateSign(form, privateKey, openConfig.Charset, openConfig.SignType);
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form[this.openConfig.SignName] = sign;
string resp = this.DoExecute(url, requestForm, header);
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return this.ParseResponse<T>(resp, request);
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}
/// <summary>
/// 执行请求
/// </summary>
/// <param name="url">请求url</param>
/// <param name="requestForm">请求内容</param>
/// <param name="header">请求header</param>
/// <returns>返回服务器响应内容</returns>
protected virtual string DoExecute(string url, RequestForm requestForm, Dictionary<string, string> header)
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{
return openRequest.Request(this.url, requestForm, header);
}
/// <summary>
/// 解析返回结果
/// </summary>
/// <typeparam name="T">返回的Response</typeparam>
/// <param name="resp">服务器响应内容</param>
/// <param name="request">请求Request</param>
/// <returns>返回Response</returns>
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protected virtual T ParseResponse<T>(string resp, BaseRequest<T> request) where T: BaseResponse
{
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string method = request.Method;
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string rootNodeName = this.dataNameBuilder.Build(method);
string errorRootNode = openConfig.ErrorResponseName;
Dictionary<string, object> responseData = JsonUtil.ParseToDictionary(resp);
bool errorResponse = responseData.ContainsKey(errorRootNode);
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if (errorResponse)
{
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rootNodeName = errorRootNode;
}
object data = responseData[rootNodeName];
responseData.TryGetValue(openConfig.SignName, out object sign);
if (sign != null && !string.IsNullOrEmpty(publicKeyPlatform))
{
string signContent = BuildBizJson(rootNodeName, resp);
if (!CheckResponseSign(signContent, sign.ToString(), publicKeyPlatform))
{
ErrorResponse checkSignErrorResponse = SopSdkErrors.CHECK_RESPONSE_SIGN_ERROR;
data = JsonUtil.ToJSONString(checkSignErrorResponse);
}
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}
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string jsonData = data == null ? "{}" : data.ToString();
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T t = JsonUtil.ParseObject<T>(jsonData);
t.Body = jsonData;
return t;
}
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/// <summary>
/// 验证服务端返回的sign
/// </summary>
/// <returns><c>true</c>, if response sign was checked, <c>false</c> otherwise.</returns>
/// <param name="signContent">Response data.</param>
/// <param name="sign">sign data.</param>
/// <param name="publicKeyPlatform">Public key platform.</param>
protected virtual bool CheckResponseSign(string signContent, string sign, string publicKeyPlatform)
{
try
{
Encoding charset = openConfig.Charset;
SignType signType = openConfig.SignType;
return SignUtil.RsaCheck(signContent, sign, publicKeyPlatform, charset, signType);
}
catch (Exception)
{
return false;
}
}
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/// <summary>
/// 构建业务json内容。
/// 假设返回的结果是:{"alipay_story_get_response":{"msg":"Success","code":"10000","name":"海底小纵队","id":1},"sign":"xxx"}
/// 将解析得到:{"msg":"Success","code":"10000","name":"海底小纵队","id":1}
/// </summary>
/// <returns>The biz json.</returns>
/// <param name="rootNodeName">根节点名称.</param>
/// <param name="body">返回内容.</param>
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protected virtual string BuildBizJson(string rootNodeName, string body)
{
int indexOfRootNode = body.IndexOf(rootNodeName);
if (indexOfRootNode < 0)
{
rootNodeName = openConfig.ErrorResponseName;
indexOfRootNode = body.IndexOf(rootNodeName);
}
string result = null;
if (indexOfRootNode > 0)
{
result = BuildJsonNodeData(body, rootNodeName, indexOfRootNode);
}
return result;
}
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/// <summary>
/// 获取业务结果,如下结果:{"alipay_story_get_response":{"msg":"Success","code":"10000","name":"海底小纵队","id":1},"sign":"xxx"}
/// 将返回:{"msg":"Success","code":"10000","name":"海底小纵队","id":1}
/// </summary>
/// <returns>The json node data.</returns>
/// <param name="body">Body.</param>
/// <param name="rootNode">Root node.</param>
/// <param name="indexOfRootNode">Index of root node.</param>
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protected virtual string BuildJsonNodeData(string body, string rootNode, int indexOfRootNode)
{
int signDataStartIndex = indexOfRootNode + rootNode.Length + 2;
int indexOfSign = body.IndexOf("\"" + openConfig.SignName + "\"");
if (indexOfSign < 0)
{
return null;
}
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int signDataEndIndex = indexOfSign - 1;
int length = signDataEndIndex - signDataStartIndex;
return body.Substring(signDataStartIndex, length);
}
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}
}