DefaultMinProgramToken.cs
1.34 KB
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using System.Net.Http.Json;
using Microsoft.Extensions.Options;
using Yi.Framework.Core.Extensions;
using Yi.Framework.WeChat.MiniProgram.HttpModels;
namespace Yi.Framework.WeChat.MiniProgram.Token;
internal class DefaultMinProgramToken:IMiniProgramToken
{
private const string Url = "https://api.weixin.qq.com/cgi-bin/token";
private WeChatMiniProgramOptions _options;
public DefaultMinProgramToken(IOptions<WeChatMiniProgramOptions> options)
{
_options = options.Value;
}
public async Task<string> GetTokenAsync()
{
var token = await this.GetAccessToken();
return token.access_token;
}
public async Task<AccessTokenResponse> GetAccessToken()
{
var req = new AccessTokenRequest();
req.appid = _options.AppID;
req.secret = _options.AppSecret;
req.grant_type = "client_credential";
using (HttpClient httpClient = new HttpClient())
{
string queryString = req.ToQueryString();
var builder = new UriBuilder(Url);
builder.Query = queryString;
HttpResponseMessage response = await httpClient.GetAsync(builder.ToString());
response.EnsureSuccessStatusCode();
var responseBody = await response.Content.ReadFromJsonAsync<AccessTokenResponse>();
return responseBody;
}
}
}