Created
March 26, 2019 13:32
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Contoh hadle expired token otomatis
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| class HttpInterceptor(private val context: Context) : Interceptor { | |
| lateinit var sp: PreferencesManager | |
| companion object { | |
| const val TAG = "HttpInterceptor" | |
| } | |
| override fun intercept(chain: Interceptor.Chain?): Response { | |
| sp = PreferencesManager(context) | |
| i(TAG, "token : ${sp.token}") | |
| val token = sp.token | |
| val request = chain?.request()!! | |
| //include token header to every request | |
| val modifyRequest: Request? = request.newBuilder() | |
| ?.addHeader("token", token) | |
| ?.build() | |
| val response: Response = chain.proceed(modifyRequest!!) | |
| /*this will executed when error 401/token expired*/ | |
| if (response.code() == 401){ | |
| refreshToken() //refresh token | |
| val newToken = sp.token //now token refreshed | |
| d(TAG, "new token : ${sp.token}") | |
| if (newToken.isNotEmpty()){ | |
| /*val newReqestBody = FormBody.Builder() | |
| .add("token", newToken) | |
| .build()*/ | |
| val newRequest: Request? = request.newBuilder() | |
| ?.addHeader("token", newToken) | |
| ?.build() | |
| return chain.proceed(newRequest!!) | |
| } | |
| } | |
| return response | |
| } | |
| private fun refreshToken() { | |
| i(TAG, "old token : ${sp.token}") | |
| /*create request to get new token | |
| this will send old token*/ | |
| val requestBody: RequestBody = FormBody.Builder() | |
| .add("token", sp.token) | |
| .build() | |
| val request = Request.Builder() | |
| .url("${BuildConfig.BASE_URL}api/api/auth/renewtoken") | |
| .post(requestBody) | |
| .build() | |
| try { | |
| val httpClient = OkHttpClient() | |
| val response: Response = httpClient.newCall(request).execute() | |
| if (response.code() == 200){ | |
| val jsonData = response.body()?.string() | |
| d(TAG, "token response : $jsonData") | |
| val tokenResponse = Gson().fromJson(jsonData, TokenResponse::class.java) | |
| if (tokenResponse.status!!) { | |
| tokenResponse.data?.token?.let { | |
| d(TAG, "new token : $it") | |
| sp.token = it | |
| } | |
| }else | |
| e(TAG, "Gagal memuat token baru, coba login kembali") | |
| } | |
| }catch (e: IOException){ | |
| e.printStackTrace() | |
| } | |
| } | |
| } |
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