Thi*_*ere 7 android interceptor kotlin okhttp retrofit2
我在尝试刷新拦截器内的访问令牌时遇到问题。我已经读过对于这个问题最好使用身份验证器,但是我的 API 的工作方式是我收到一个未经授权的访问令牌的 403 错误(不是我的设计,但必须使用它)。
所以我试图调用 API 端点以在我的拦截器中获取一个新的访问令牌,但似乎第二个 API 调用在没有关闭它的情况下创建了一个 OKHTTP 响应。
override fun intercept(chain: Interceptor.Chain?): Response {
var currentRequest = chain!!.request()
val currentRequestResponse = chain.proceed( currentRequest )
if ( currentRequestResponse.code() >= HTTP_ERROR_CODE && isNotLoginRequest( chain ) ) {
try {
// we check the response code, if there is 403 code we need to relog the user
// before executing the request
// try to reconnect the user with synchronous request
val userManager = UserManager.getInstance()
val clientId = getQueryParameter(UserService.CLIENT_ID_QUERY_KEY, currentRequest)
val redirectUri = getQueryParameter(UserService.REDIRECT_URI_QUERY_KEY, currentRequest)
val clientSecret = getQueryParameter(UserService.CLIENT_SECRET_QUERY_KEY, currentRequest)
// we get a new access token with a synchronous request
val accessToken = userManager.refreshToken(clientId, clientSecret, redirectUri)
currentRequest = rebuildRequestWithNewToken( accessToken, currentRequest )
return chain.proceed( currentRequest )
} catch (e: Throwable) {
e.printStackTrace()
}
}
return currentRequestResponse
}
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我相信问题来自 userManager.refreshToken,它是获取新访问令牌的 API 调用。
这是我收到的错误:
java.lang.IllegalStateException:无法发出新请求,因为之前的响应仍然打开:请调用 response.close()
您可以像这样在网络拦截器内进行刷新令牌调用
if (response.code() == 403) {
try {
val body = RequestBody.create(contentType, "")
val authRequest = request.newBuilder()
.setDefaultHeaders()
.addHeader("Authorization", "Your token")
.url(refreshtokenurl)
.post(body)
.build()
val tokenRefreshResponse = chain.proceed(authRequest)
if (tokenRefreshResponse.code() == 401 || tokenRefreshResponse.code() == 403) {
//error in refreshing token
} else if (tokenRefreshResponse.code() == 200) {
//save the new token and refresh token in preference and continue with the earlier request
currentRequestResponse = chain.proceed(currentRequest.newBuilder()
.setDefaultHeaders()
.addHeader(your header)
.build())
}
} catch (e: Exception) {
}
}
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