/*
* Copyright 2011 Sina.
*
* Licensed under the Apache License and Weibo 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.open.weibo.com
* 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.weibo.net;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.Socket;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.GZIPInputStream;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
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.client.methods.HttpUriRequest;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.params.ConnRouteParams;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.text.TextUtils;
import android.webkit.CookieManager;
import android.webkit.CookieSyncManager;
/**
* Utility class for Weibo object.
*
* @author ZhangJie (zhangjie2@staff.sina.com.cn)
*/
public class Utility {
private static WeiboParameters mRequestHeader = new WeiboParameters();
private static HttpHeaderFactory mAuth;
private static Token mToken = null;
public static final String BOUNDARY = "7cd4a6d158c";
public static final String MP_BOUNDARY = "--" + BOUNDARY;
public static final String END_MP_BOUNDARY = "--" + BOUNDARY + "--";
public static final String MULTIPART_FORM_DATA = "multipart/form-data";
public static final String HTTPMETHOD_POST = "POST";
public static final String HTTPMETHOD_GET = "GET";
public static final String HTTPMETHOD_DELETE = "DELETE";
private static final int SET_CONNECTION_TIMEOUT = 50000;
private static final int SET_SOCKET_TIMEOUT = 200000;
// 设置Token
public static void setTokenObject(Token token) {
mToken = token;
}
public static void setAuthorization(HttpHeaderFactory auth) {
mAuth = auth;
}
// 设置http头,如果authParam不为空，则表示当前有token认证信息需要加入到头中
public static void setHeader(String httpMethod, HttpUriRequest request,
WeiboParameters authParam, String url, Token token) throws WeiboException {
if (!isBundleEmpty(mRequestHeader)) {
for (int loc = 0; loc < mRequestHeader.size(); loc++) {
String key = mRequestHeader.getKey(loc);
request.setHeader(key, mRequestHeader.getValue(key));
}
}
if (!isBundleEmpty(authParam) && mAuth != null) {
String authHeader = mAuth.getWeiboAuthHeader(httpMethod, url, authParam,
Weibo.getAppKey(), Weibo.getAppSecret(), token);
if (authHeader != null) {
request.setHeader("Authorization", authHeader);
}
}
request.setHeader("User-Agent", System.getProperties().getProperty("http.agent")
+ " WeiboAndroidSDK");
}
public static boolean isBundleEmpty(WeiboParameters bundle) {
if (bundle == null || bundle.size() == 0) {
return true;
}
return false;
}
// 填充request bundle
public static void setRequestHeader(String key, String value) {
// mRequestHeader.clear();
mRequestHeader.add(key, value);
}
public static void setRequestHeader(WeiboParameters params) {
mRequestHeader.addAll(params);
}
public static void clearRequestHeader() {
mRequestHeader.clear();
}
public static String encodePostBody(Bundle parameters, String boundary) {
if (parameters == null)
return "";
StringBuilder sb = new StringBuilder();
for (String key : parameters.keySet()) {
if (parameters.getByteArray(key) != null) {
continue;
}
sb.append("Content-Disposition: form-data; name=\"" + key + "\"\r\n\r\n"
+ parameters.getString(key));
sb.append("\r\n" + "--" + boundary + "\r\n");
}
return sb.toString();
}
public static String encodeUrl(WeiboParameters parameters) {
if (parameters == null) {
return "";
}
StringBuilder sb = new StringBuilder();
boolean first = true;
for (int loc = 0; loc < parameters.size(); loc++) {
if (first)
first = false;
else
sb.append("&");
sb.append(URLEncoder.encode(parameters.getKey(loc)) + "="
+ URLEncoder.encode(parameters.getValue(loc)));
}
return sb.toString();
}
public static Bundle decodeUrl(String s) {
Bundle params = new Bundle();
if (s != null) {
String array[] = s.split("&");
for (String parameter : array) {
String v[] = parameter.split("=");
params.putString(URLDecoder.decode(v[0]), URLDecoder.decode(v[1]));
}
}
return params;
}
/**
* Parse a URL query and fragment parameters into a key-value bundle.
*
* @param url
* the URL to parse
* @return a dictionary bundle of keys and values
*/
public static Bundle parseUrl(String url) {
// hack to prevent MalformedURLException
url = url.replace("weiboconnect", "http");
try {
URL u = new URL(url);
Bundle b = decodeUrl(u.getQuery());
b.putAll(decodeUrl(u.getRef()));
return b;
} catch (MalformedURLException e) {
return new Bundle();
}
}
/**
* Construct a url encoded entity by parameters .
*
* @param bundle
* :parameters key pairs
* @return UrlEncodedFormEntity: encoed entity
*/
public static UrlEncodedFormEntity getPostParamters(Bundle bundle) throws WeiboException {
if (bundle == null || bundle.isEmpty()) {
return null;
}
try {
List<NameValuePair> form = new ArrayList<NameValuePair>();
for (String key : bundle.keySet()) {
form.add(new BasicNameValuePair(key, bundle.getString(key)));
}
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(form, "UTF-8");
return entity;
} catch (UnsupportedEncodingException e) {
throw new WeiboException(e);
}
}
/**
* Implement a weibo http request and return results .
*
* @param context
* : context of activity
* @param url
* : request url of open api
* @param method
* : HTTP METHOD.GET, POST, DELETE
* @param params
* : Http params , query or postparameters
* @param Token
* : oauth token or accesstoken
* @return UrlEncodedFormEntity: encoed entity
*/
public static String openUrl(Context context, String url, String method,
WeiboParameters params, Token token) throws WeiboException {
String rlt = "";
String file = "";
for (int loc = 0; loc < params.size(); loc++) {
String key = params.getKey(loc);
if (key.equals("pic")) {
file = params.getValue(key);
params.remove(key);
}
}
if (TextUtils.isEmpty(file)) {
rlt = openUrl(context, url, method, params, null, token);
} else {
rlt = openUrl(context, url, method, params, file, token);
}
return rlt;
}
public static String openUrl(Context context, String url, String method,
WeiboParameters params, String file, Token token) throws WeiboException {
String result = "";
try {
HttpClient client = getNewHttpClient(context);
HttpUriRequest request = null;
ByteArrayOutputStream bos = null;
if (method.equals("GET")) {
url = url + "?" + encodeUrl(params);
HttpGet get = new HttpGet(url);
request = get;
} else if (method.equals("POST")) {
HttpPost post = new HttpPost(url);
byte[] data = null;
bos = new ByteArrayOutputStream(1024 * 50);
if (!TextUtils.isEmpty(file)) {
Utility.paramToUpload(bos, params);
post.setHeader("Content-Type", MULTIPART_FORM_DATA + "; boundary=" + BOUNDARY);
Bitmap bf = BitmapFactory.decodeFile(file);
Utility.imageContentToUpload(bos, bf);
} else {
post.setHeader("Content-Type", "application/x-www-form-urlencoded");
String postParam = encodeParameters(params);
data = postParam.getBytes("UTF-8");
bos.write(data);
}
data = bos.toByteArray();
bos.close();
// UrlEncodedFormEntity entity = getPostParamters(params);
ByteArrayEntity formEntity = new ByteArrayEntity(data);
post.setEntity(formEntity);
request = post;
} else if (method.equals("DELETE")) {
request = new HttpDelete(url);
}
setHeader(method, request, params, url, token);
HttpResponse response = client.execute(request);
StatusLine status = response.getStatusLine();
int statusCode = status.getStatusCode();
if (statusCode != 200) {
result = read(response);
String err = null;
int errCode = 0;
try {
JSONObject json = new JSONObject(result);
err = json.getString("error");
errCode = json.getInt("error_code");
} catch (JSONException e) {
e.printStackTrace();
}
throw new WeiboException(String.format(err), errCode);
}
// parse content stream from response
result = read(response);
return result;
} catch (IOException e) {
throw new WeiboException(e);
}
}
public static HttpClient getNewHttpClient(Context context) {
try {
KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
trustStore.load(null, null);
SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(params, 10000);
HttpConnectionParams.setSoTimeout(params, 10000);
HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
SchemeRegistry registry = new SchemeRegistry();
registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
registry.register(new Scheme("https", sf, 443));
ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);
// Set the default socket timeout (SO_TIMEOUT) // in
// milliseconds which is the timeout for waiting for data.
HttpConnectionParams.setConnectionTimeout(params, Utility.SET_CONNECTION_TIMEOUT);
HttpConnectionParams.setSoTimeout(params, Utility.SET_SOCKET_TIMEOUT);
HttpClient client = new DefaultHttpClient(ccm, params);
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
if (!wifiManager.isWifiEnabled()) {
// 获取当前正在使用的APN接入点
Uri uri = Uri.parse("content://telephony/carriers/preferapn");
Cursor mCursor = context.getContentResolver().query(uri, null, null, null, null);
if (mCursor != null && mCursor.moveToFirst()) {
// 游标移至第一条记录，当然也只有一条
String proxyStr = mCursor.getString(mCursor.getColumnIndex("proxy"));
if (proxyStr != null && proxyStr.trim().length() > 0) {
HttpHost proxy = new HttpHost(proxyStr, 80);
client.getParams().setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
}
mCursor.close();
}
}
return client;
} catch (Exception e) {
return new DefaultHttpClient();
}
}
public static class MySSLSocketFactory extends SSLSocketFactory {
SSLContext sslContext = SSLContext.getInstance("TLS");
public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException,
KeyManagementException, KeyStoreException, UnrecoverableKeyException {
super(truststore);
TrustManager tm = new X509TrustManager() {
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
public X509Certificate[] getAcceptedIssuers() {
return null;
}
};
sslContext.init(null, new TrustManager[] { tm }, null);
}
@Override
public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
throws IOException, UnknownHostException {
return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
}
@Override
public Socket createSocket() throws IOException {
return sslContext.getSocketFactory().createSocket();
}
}
/**
* Get a HttpClient object which is setting correctly .
*
* @param context
* : context of activity
* @return HttpClient: HttpClient object
*/
public static HttpClient getHttpClient(Context context) {
BasicHttpParams httpParameters = new BasicHttpParams();
// Set the default socket timeout (SO_TIMEOUT) // in
// milliseconds which is the timeout for waiting for data.
HttpConnectionParams.setConnectionTimeout(httpParameters, Utility.SET_CONNECTION_TIMEOUT);
HttpConnectionParams.setSoTimeout(httpParameters, Utility.SET_SOCKET_TIMEOUT);
HttpClient client = new DefaultHttpClient(httpParameters);
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
if (!wifiManager.isWifiEnabled()) {
// 获取当前正在使用的APN接入点
Uri uri = Uri.parse("content://telephony/carriers/preferapn");
Cursor mCursor = context.getContentResolver().query(uri, null, null, null, null);
if (mCursor != null && mCursor.moveToFirst()) {
// 游标移至第一条记录，当然也只有一条
String proxyStr = mCursor.getString(mCursor.getColumnIndex("proxy"));
if (proxyStr != null && proxyStr.trim().length() > 0) {
HttpHost proxy = new HttpHost(proxyStr, 80);
client.getParams().setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
}
mCursor.close();
}
}
return client;
}
/**
* Upload image into output stream .
*
* @param out
* : output stream for uploading weibo
* @param imgpath
* : bitmap for uploading
* @return void
*/
private static void imageContentToUpload(OutputStream out, Bitmap imgpath)
throws WeiboException {
StringBuilder temp = new StringBuilder();
temp.append(MP_BOUNDARY).append("\r\n");
temp.append("Content-Disposition: form-data; name=\"pic\"; filename=\"")
.append("news_image").append("\"\r\n");
String filetype = "image/png";
temp.append("Content-Type: ").append(filetype).append("\r\n\r\n");
byte[] res = temp.toString().getBytes();
BufferedInputStream bis = null;
try {
out.write(res);
imgpath.compress(CompressFormat.PNG, 75, out);
out.write("\r\n".getBytes());
out.write(("\r\n" + END_MP_BOUNDARY).getBytes());
} catch (IOException e) {
throw new WeiboException(e);
} finally {
if (null != bis) {
try {
bis.close();
} catch (IOException e) {
throw new WeiboException(e);
}
}
}
}
/**
* Upload weibo contents into output stream .
*
* @param baos
* : output stream for uploading weibo
* @param params
* : post parameters for uploading
* @return void
*/
private static void paramToUpload(OutputStream baos, WeiboParameters params)
throws WeiboException {
String key = "";
for (int loc = 0; loc < params.size(); loc++) {
key = params.getKey(loc);
StringBuilder temp = new StringBuilder(10);
temp.setLength(0);
temp.append(MP_BOUNDARY).append("\r\n");
temp.append("content-disposition: form-data; name=\"").append(key).append("\"\r\n\r\n");
temp.append(params.getValue(key)).append("\r\n");
byte[] res = temp.toString().getBytes();
try {
baos.write(res);
} catch (IOException e) {
throw new WeiboException(e);
}
}
}
/**
* Read http requests result from response .
*
* @param response
* : http response by executing httpclient
*
* @return String : http response content
*/
private static String read(HttpResponse response) throws WeiboException {
String result = "";
HttpEntity entity = response.getEntity();
InputStream inputStream;
try {
inputStream = entity.getContent();
ByteArrayOutputStream content = new ByteArrayOutputStream();
Header header = response.getFirstHeader("Content-Encoding");
if (header != null && header.getValue().toLowerCase().indexOf("gzip") > -1) {
inputStream = new GZIPInputStream(inputStream);
}
// Read response into a buffered stream
int readBytes = 0;
byte[] sBuffer = new byte[512];
while ((readBytes = inputStream.read(sBuffer)) != -1) {
content.write(sBuffer, 0, readBytes);
}
// Return result from buffered stream
result = new String(content.toByteArray());
return result;
} catch (IllegalStateException e) {
throw new WeiboException(e);
} catch (IOException e) {
throw new WeiboException(e);
}
}
/**
* Read http requests result from inputstream .
*
* @param inputstream
* : http inputstream from HttpConnection
*
* @return String : http response content
*/
private static String read(InputStream in) throws IOException {
StringBuilder sb = new StringBuilder();
BufferedReader r = new BufferedReader(new InputStreamReader(in), 1000);
for (String line = r.readLine(); line != null; line = r.readLine()) {
sb.append(line);
}
in.close();
return sb.toString();
}
/**
* Clear current context cookies .
*
* @param context
* : current activity context.
*
* @return void
*/
public static void clearCookies(Context context) {
@SuppressWarnings("unused")
CookieSyncManager cookieSyncMngr = CookieSyncManager.createInstance(context);
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.removeAllCookie();
}
/**
* Display a simple alert dialog with the given text and title.
*
* @param context
* Android context in which the dialog should be displayed
* @param title
* Alert dialog title
* @param text
* Alert dialog message
*/
public static void showAlert(Context context, String title, String text) {
Builder alertBuilder = new Builder(context);
alertBuilder.setTitle(title);
alertBuilder.setMessage(text);
alertBuilder.create().show();
}
public static String encodeParameters(WeiboParameters httpParams) {
if (null == httpParams || Utility.isBundleEmpty(httpParams)) {
return "";
}
StringBuilder buf = new StringBuilder();
int j = 0;
for (int loc = 0; loc < httpParams.size(); loc++) {
String key = httpParams.getKey(loc);
if (j != 0) {
buf.append("&");
}
try {
buf.append(URLEncoder.encode(key, "UTF-8")).append("=")
.append(URLEncoder.encode(httpParams.getValue(key), "UTF-8"));
} catch (java.io.UnsupportedEncodingException neverHappen) {
}
j++;
}
return buf.toString();
}
/**
* Base64 encode mehtod for weibo request.Refer to weibo development
* document.
*
*/
public static char[] base64Encode(byte[] data) {
final char[] alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="
.toCharArray();
char[] out = new char[((data.length + 2) / 3) * 4];
for (int i = 0, index = 0; i < data.length; i += 3, index += 4) {
boolean quad = false;
boolean trip = false;
int val = (0xFF & (int) data[i]);
val <<= 8;
if ((i + 1) < data.length) {
val |= (0xFF & (int) data[i + 1]);
trip = true;
}
val <<= 8;
if ((i + 2) < data.length) {
val |= (0xFF & (int) data[i + 2]);
quad = true;
}
out[index + 3] = alphabet[(quad ? (val & 0x3F) : 64)];
val >>= 6;
out[index + 2] = alphabet[(trip ? (val & 0x3F) : 64)];
val >>= 6;
out[index + 1] = alphabet[val & 0x3F];
val >>= 6;
out[index + 0] = alphabet[val & 0x3F];
}
return out;
}
}