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/* * Copyright (C) 2013 ENTERTAILION LLC//ww w . j a v a 2 s . co m * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.entertailion.android.shapeways.api; import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.net.URL; import java.net.URLConnection; import java.net.URLDecoder; import java.util.HashMap; import java.util.Map; import oauth.signpost.OAuthConsumer; import oauth.signpost.commonshttp.CommonsHttpOAuthConsumer; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpDelete; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import android.content.Context; import android.content.SharedPreferences; import android.preference.PreferenceManager; import android.util.Log; import com.entertailion.android.shapeways.ShapewaysApplication; /** * OAuth 1.0 client for Shapeways API. * * @see http://developers.shapeways.com/getting-started?li=dh_gs * * @author leon_nicholls * */ public class ShapewaysClient { private static final String LOG_TAG = "ShapewaysClient"; // http://developers.shapeways.com/docs?li=d_gettingStarted public static final String API_URL_BASE = "http://api.shapeways.com"; public static final String REQUEST_TOKEN_PATH = "/oauth1/request_token/v1"; public static final String ACCESS_TOKEN_PATH = "/oauth1/access_token/v1"; public static final String API_PATH = "/api/v1/"; public static final String ORDERS_PATH = "/orders/cart/v1"; public static final String MATERIALS_PATH = "/materials/v1"; public static final String MATERIAL_PATH = "/materials/%s/v1"; // /materials/{materialId}/v1 public static final String MODELS_PATH = "/models/v1/"; public static final String MODEL_PATH = "/models/%s/v1"; // /models/{modelId}/v1 public static final String MODEL_INFO_PATH = "/models/%s/v1"; // /models/{modelId}/info/v1 public static final String MODEL_FILES_PATH = "/models/%s/files/v1/"; // /models/{modelId}/files/v1/ public static final String MODEL_FILES_VERSION_PATH = "/models/%s/files/%s/v1"; // /models/{modelId}/files/{fileVersion}/v1 public static final String MODEL_PHOTOS_PATH = "/models/%s/photos/v1"; // /models/{modelId}/photos/v1 public static final String PRINTERS_PATH = "/printers/v1"; public static final String PRINTER_PATH = "/printers/%s/v1"; // /printers/{printerId}/v1 public static final String PRICES_PATH = "/price/v1"; public static final String MODEL_ID_PARAMETER = "modelId"; public static final String MATERIAL_ID_PARAMETER = "materialId"; public static final String QUANTITY_ID_PARAMETER = "quantity"; private static final String POST = "POST"; private static final String GET = "GET"; public static final String QUESTION_MARK = "?"; public static final String AMPERSAND = "&"; public static final String EQUALS = "="; public static final String ENCODING = "UTF-8"; public static final String OAUTH_TOKEN_SECRET = "oauth_token_secret"; public static final String AUTHENTICATION_URL = "authentication_url"; public static final String OAUTH_CONSUMER_KEY = "oauth_consumer_key"; public static final String OAUTH_CALLBACK = "oauth_callback"; public static final String OAUTH_TOKEN = "oauth_token"; public static final String OAUTH_VERIFIER = "oauth_verifier"; public static final String OAUTH_TIMESTAMP = "oauth_timestamp"; public static final String OAUTH_SIGNATURE_METHOD = "oauth_signature_method"; public static final String OAUTH_VERSION = "oauth_version"; public static final String OAUTH_NONCE = "oauth_nonce"; public static final String OAUTH_VERSION_1_0 = "1.0"; public static final String OAUTH_SIGNATURE_METHOD_HMAC_SHA1 = "HMAC-SHA1"; public static final String OAUTH_SIGNATURE = "oauth_signature"; public static final int OK_STATUS_CODE = 200; public static final int INVALID_REQUEST_STATUS_CODE = 500; public static final int RATE_LIMIT_STATUS_CODE = 429; public static final int OAUTH_ERROR_STATUS_CODE = 401; public static final int UNIMPLEMENTED_METHOD_STATUS_CODE = 405; private Context context; private final String consumerKey; private final String consumerSecret; private String oauthToken; private String oauthTokenSecret; private OAuthConsumer consumer; // https://code.google.com/p/oauth-signpost/ /** * Register your app to get a consumer key and secret * * @see http://developers.shapeways.com/manage-apps * * @param consumerKey * @param consumerSecret */ public ShapewaysClient(Context context, String consumerKey, String consumerSecret) { this.context = context; this.consumerKey = consumerKey; this.consumerSecret = consumerSecret; SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context); // check if OAuth token obtained before oauthToken = preferences.getString(ShapewaysClient.OAUTH_TOKEN, null); oauthTokenSecret = preferences.getString(ShapewaysClient.OAUTH_TOKEN_SECRET, null); // https://code.google.com/p/oauth-signpost/wiki/GettingStarted consumer = new CommonsHttpOAuthConsumer(ShapewaysApplication.CONSUMER_KEY, ShapewaysApplication.CONSUMER_SECRET); consumer.setTokenWithSecret(oauthToken, oauthTokenSecret); } /** * Get the request token * * @param callbackUrl * HTTP callback URL for handling the user authorization * @return * @throws Exception */ public Map<String, String> getRequestToken(String callbackUrl) throws Exception { Log.d(LOG_TAG, "getRequestToken"); URLConnection urlConnection = getUrlConnection(API_URL_BASE + REQUEST_TOKEN_PATH, true); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(urlConnection.getOutputStream()); Request request = new Request(POST); request.addParameter(OAUTH_CONSUMER_KEY, consumerKey); request.addParameter(OAUTH_CALLBACK, callbackUrl); request.sign(API_URL_BASE + REQUEST_TOKEN_PATH, consumerSecret, null); outputStreamWriter.write(request.toString()); outputStreamWriter.close(); return readParams(urlConnection.getInputStream()); } /** * Get the access token * * @param requestToken * @param requestTokenSecret * @param requestTokenVerifier * @return * @throws Exception */ public Map<String, String> getAccessToken(String requestToken, String requestTokenSecret, String requestTokenVerifier) throws Exception { Log.d(LOG_TAG, "getAccessToken"); URLConnection urlConnection = getUrlConnection(API_URL_BASE + ACCESS_TOKEN_PATH, true); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(urlConnection.getOutputStream()); Request request = new Request(POST); request.addParameter(OAUTH_CONSUMER_KEY, consumerKey); request.addParameter(OAUTH_TOKEN, requestToken); request.addParameter(OAUTH_VERIFIER, requestTokenVerifier); request.sign(API_URL_BASE + ACCESS_TOKEN_PATH, consumerSecret, requestTokenSecret); outputStreamWriter.write(request.toString()); outputStreamWriter.close(); return readParams(urlConnection.getInputStream()); } /** * Call a Shapeways API with GET * * @param apiUrl * @param requestToken * @param requestTokenSecret * @return * @throws Exception */ private String getResponseOld(String apiUrl) throws Exception { Log.d(LOG_TAG, "getResponse: url=" + apiUrl); Request request = new Request(GET); request.addParameter(OAUTH_CONSUMER_KEY, consumerKey); request.addParameter(OAUTH_TOKEN, oauthToken); request.sign(apiUrl, consumerSecret, oauthTokenSecret); URLConnection urlConnection = getUrlConnection(apiUrl + QUESTION_MARK + request.toString(), false); return readResponse(urlConnection.getInputStream()); } /** * Call a Shapeways API with GET * * @param apiUrl * @param requestToken * @param requestTokenSecret * @return * @throws Exception */ public HttpResponse getResponse(String apiUrl) throws Exception { Log.d(LOG_TAG, "getResponse: url=" + apiUrl); HttpResponse httpResponse = null; try { // http://hc.apache.org/httpcomponents-client-ga/tutorial/html/fundamentals.html#d5e68 HttpGet request = new HttpGet(apiUrl); consumer.sign(request); HttpClient httpClient = new DefaultHttpClient(); httpResponse = httpClient.execute(request); Log.d(LOG_TAG, "status=" + httpResponse.getStatusLine()); } catch (Exception e) { Log.e(LOG_TAG, "getResponse", e); } return httpResponse; } /** * Call a Shapeways API with POST * * @param apiUrl * @return * @throws Exception */ private String postResponseOld(String apiUrl, Map<String, String> parameters) throws Exception { Log.d(LOG_TAG, "postResponse: url=" + apiUrl); URLConnection urlConnection = getUrlConnection(apiUrl, true); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(urlConnection.getOutputStream()); Request request = new Request(POST); request.addParameter(OAUTH_CONSUMER_KEY, consumerKey); request.addParameter(OAUTH_TOKEN, oauthToken); for (String key : parameters.keySet()) { request.addParameter(key, parameters.get(key)); } request.sign(apiUrl, consumerSecret, oauthTokenSecret); outputStreamWriter.write(request.toString()); outputStreamWriter.close(); return readResponse(urlConnection.getInputStream()); } /** * Call a Shapeways API with POST * * @param apiUrl * @return * @throws Exception */ public HttpResponse postResponse(String apiUrl, String jsonParameters) throws Exception { Log.d(LOG_TAG, "postResponse: url=" + apiUrl); HttpResponse httpResponse = null; try { // http://hc.apache.org/httpcomponents-client-ga/tutorial/html/fundamentals.html#d5e68 HttpPost request = new HttpPost(apiUrl); StringEntity se = new StringEntity(jsonParameters); // {\"modelId\":1002632,\"materialId\":6,\"quantity\":1} request.setEntity(se); request.setHeader("Content-Type", "application/json"); consumer.sign(request); HttpClient httpClient = new DefaultHttpClient(); httpResponse = httpClient.execute(request); Log.d(LOG_TAG, "status=" + httpResponse.getStatusLine()); } catch (Exception e) { Log.e(LOG_TAG, "postResponse", e); } return httpResponse; } /** * Call a Shapeways API with DELETE * * @param apiUrl * @return * @throws Exception */ public HttpResponse deleteResponse(String apiUrl) throws Exception { Log.d(LOG_TAG, "deleteResponse: url=" + apiUrl); HttpResponse httpResponse = null; try { // http://hc.apache.org/httpcomponents-client-ga/tutorial/html/fundamentals.html#d5e68 HttpDelete request = new HttpDelete(apiUrl); consumer.sign(request); HttpClient httpClient = new DefaultHttpClient(); httpResponse = httpClient.execute(request); Log.d(LOG_TAG, "status=" + httpResponse.getStatusLine()); } catch (Exception e) { Log.e(LOG_TAG, "deleteResponse", e); } return httpResponse; } /** * Utility method to create a URL connection * * @param urlValue * @param doPost * is this for a HTTP POST * @return * @throws Exception */ private static URLConnection getUrlConnection(String urlValue, boolean doPost) throws Exception { URL url = new URL(urlValue); URLConnection urlConnection = url.openConnection(); urlConnection.setConnectTimeout(0); urlConnection.setReadTimeout(0); if (doPost) { urlConnection.setDoOutput(true); } return urlConnection; } /** * @param inputStream * @return map of parameter key/value pairs * @throws Exception */ private static Map<String, String> readParams(InputStream inputStream) throws Exception { String reponse = readResponse(inputStream); String keyValues[] = reponse.split(AMPERSAND); Map<String, String> parameters = new HashMap<String, String>(); for (int i = 0; i < keyValues.length; i++) { int pos = keyValues[i].indexOf(EQUALS); if (pos != -1) { String name = keyValues[i].substring(0, pos); String value = keyValues[i].substring(pos + 1); parameters.put(decode(name), decode(value)); } } return parameters; } /** * Utility method to convert response to a string * * @param inputStream * @return * @throws Exception */ private static String readResponse(InputStream inputStream) throws Exception { BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream)); String line; StringBuilder stringBuilder = new StringBuilder(); while ((line = bufferedReader.readLine()) != null) { stringBuilder.append(line); } bufferedReader.close(); return stringBuilder.toString(); } public final static String decode(String value) throws Exception { if (value == null) { return ""; } return URLDecoder.decode(value, ENCODING); } // //////////////////////////////////////// public void setOauthToken(String oauthToken, String oauthTokenSecret) { this.oauthToken = oauthToken; this.oauthTokenSecret = oauthTokenSecret; consumer.setTokenWithSecret(oauthToken, oauthTokenSecret); } public String getOauthToken() { return oauthToken; } public String getOauthTokenSecret() { return oauthTokenSecret; } }