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POfollowing HTTPS redirects with HttpURLConnection
 

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  1. POfollowing HTTPS redirects with HttpURLConnection
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    <p>I have a problem when my application make a HTTPS request that redirect to another HTTPS url.</p> <p>With the HTTP to HTTP redirection I have no problem.</p> <p>Before that I have used HttpPost and HttpGet requests with any redirecting problem, but in the way as I do it I did not upload files bigger than 2 MB.</p> <p>The code I wrote:</p> <pre><code> public Bundle getResponseFromHttpRequest(Bundle requestBundle) { /* * TO DO: httpRequest (bundle): headers: bundle params: bundle url: String method: {GET, POST} */ String urlString = requestBundle.getString("url"); String method = requestBundle.getString("method"); Bundle headersBundle = requestBundle.getBundle("headers"); Bundle paramsBundle = requestBundle.getBundle("params"); Bundle responseBundle = new Bundle(); try { URL url = new URL(urlString); HttpURLConnection connection = (HttpURLConnection)url.openConnection(); if (headersBundle != null) { Set&lt;String&gt; nameHeaders = headersBundle.keySet(); for (String nameHeader : nameHeaders) { String valueHeader = headersBundle.getString(nameHeader); connection.setRequestProperty(nameHeader, valueHeader); } //selectRequestFromMethod(method, getRequest, postRequest).setParams(params); } HttpsURLConnection.setFollowRedirects(true); HttpURLConnection.setFollowRedirects(true); connection.setInstanceFollowRedirects(true); if (paramsBundle != null) { Set&lt;String&gt; nameParams = paramsBundle.keySet(); ByteArrayOutputStream baosParams = new ByteArrayOutputStream(); for (String nameParam : nameParams) { baosParams.write(URLEncoder.encode("&amp;",HTTP.UTF_8).getBytes(HTTP.UTF_8)); baosParams.write(URLEncoder.encode(nameParam,HTTP.UTF_8).getBytes(HTTP.UTF_8)); baosParams.write(URLEncoder.encode("=",HTTP.UTF_8).getBytes(HTTP.UTF_8)); baosParams.write(URLEncoder.encode(paramsBundle.getString(nameParam),HTTP.UTF_8).getBytes(HTTP.UTF_8)); } if (method.equals("POST")) { //HttpEntity byteArrayEntity = new ByteArrayEntity(baosParams.toByteArray()); //postRequest.setEntity(byteArrayEntity); connection.setRequestMethod("POST"); connection.setDoOutput(true); //pra poder enviar datos: petición POST. connection.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); connection.setRequestProperty("Content-Length",""+baosParams.size()); connection.setRequestProperty("Accept-Encoding", "identity"); connection.setFixedLengthStreamingMode(baosParams.size()); OutputStream outputStream = connection.getOutputStream(); outputStream.write(baosParams.toByteArray()); outputStream.close(); connection.disconnect(); Map&lt;String, List&lt;String&gt;&gt; headers = connection.getHeaderFields(); Set&lt;String&gt; headerNames = headers.keySet(); Bundle responseHeadersBundle = new Bundle(); for (String headerName : headerNames) { List&lt;String&gt; headerValues = headers.get(headerName); String [] headerValuesStr = new String[headerValues.size()]; headerValues.toArray(headerValuesStr); responseHeadersBundle.putStringArray(headerName, headerValuesStr); } responseBundle.putBundle("headers", responseHeadersBundle); Log.v("HTTP UTIL CONNECTION","RESPONSE CODE: " + connection.getResponseCode()); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; StringBuilder content = new StringBuilder(); while ((line = bufferedReader.readLine()) != null) { content.append(line + "\n"); } bufferedReader.close(); String contentString = content.toString(); responseBundle.putString("content", contentString); if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) { Log.v("HTTP UTIL CONNECTION","response code 200"); } } else if (method.equals("GET")) { connection.setRequestMethod("GET"); connection.setDoOutput(false); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; StringBuilder content = new StringBuilder(); while ((line = bufferedReader.readLine()) != null) { content.append(line + "\n"); } bufferedReader.close(); String contentString = content.toString(); responseBundle.putString("content", contentString); } else { Log.v("INVALID METHOD",method); return null; } } } catch (Exception e) { e.printStackTrace(); } return responseBundle; } </code></pre>
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    1. USSantiago
    1. USSantiago
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    1. COWhat is your problem exactly? Would you mind explaining it further with appropriate logcat traces?
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      1. POfollowing HTTPS redirects with HttpURLConnection
      1. USPCoder
    2. COSorry, my problem is I want to my code follow the HTTPS redirect, but it not do so. However, my previous implementation follow redirects with no problem, but I want to work this way to do HTTPS requests by other reasons.
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      1. USSantiago
    3. COSolved: there was the behavior of my code at POST request to GAS scripts. Thanks anyway.
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      1. POfollowing HTTPS redirects with HttpURLConnection
      1. USSantiago
 

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