]>
Commit | Line | Data |
---|---|---|
1 | package ro.ieval.fonbot; | |
2 | ||
3 | import static ro.ieval.fonbot.R.string.*; | |
4 | import static ro.ieval.fonbot.Utils.toNonNull; | |
5 | ||
6 | import java.io.InputStream; | |
7 | import java.io.OutputStream; | |
8 | import java.net.URL; | |
9 | import java.security.cert.CertificateException; | |
10 | import java.security.cert.X509Certificate; | |
11 | import java.util.Collection; | |
12 | ||
13 | import javax.net.ssl.HttpsURLConnection; | |
14 | import javax.net.ssl.SSLContext; | |
15 | import javax.net.ssl.SSLSocketFactory; | |
16 | import javax.net.ssl.X509TrustManager; | |
17 | ||
18 | import org.eclipse.jdt.annotation.Nullable; | |
19 | ||
20 | import android.content.Context; | |
21 | import android.preference.PreferenceManager; | |
22 | import android.util.Base64; | |
23 | import android.util.Log; | |
24 | ||
25 | import com.google.android.gcm.GCMRegistrar; | |
26 | ||
27 | /* | |
28 | * Copyright © 2013 Marius Gavrilescu | |
29 | * | |
30 | * This file is part of FonBot. | |
31 | * | |
32 | * FonBot is free software: you can redistribute it and/or modify | |
33 | * it under the terms of the GNU General Public License as published by | |
34 | * the Free Software Foundation, either version 3 of the License, or | |
35 | * (at your option) any later version. | |
36 | * | |
37 | * FonBot is distributed in the hope that it will be useful, | |
38 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
39 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
40 | * GNU General Public License for more details. | |
41 | * | |
42 | * You should have received a copy of the GNU General Public License | |
43 | * along with FonBot. If not, see <http://www.gnu.org/licenses/>. | |
44 | */ | |
45 | ||
46 | /** | |
47 | * ExecutableRunnable that makes a HTTPS call to the server and hands the response to a callback | |
48 | * | |
49 | * @author Marius Gavrilescu <marius@ieval.ro> | |
50 | */ | |
51 | public final class HttpCallExecutableRunnable extends ExecutableRunnable{ | |
52 | /** | |
53 | * X509TrustManager that trusts any certificate | |
54 | * | |
55 | * @author Marius Gavrilescu | |
56 | */ | |
57 | private static final class TotallyInsecureTrustManager implements X509TrustManager { | |
58 | @Override | |
59 | public @Nullable X509Certificate[] getAcceptedIssuers() { | |
60 | return new X509Certificate[0]; | |
61 | } | |
62 | ||
63 | @Override | |
64 | public void checkServerTrusted(final @Nullable X509Certificate[] chain, final @Nullable String authType) | |
65 | throws CertificateException { | |
66 | //do nothing | |
67 | } | |
68 | ||
69 | @Override | |
70 | public void checkClientTrusted(final @Nullable X509Certificate[] chain, final @Nullable String authType) | |
71 | throws CertificateException { | |
72 | //do nothing | |
73 | } | |
74 | } | |
75 | ||
76 | /** | |
77 | * Callback which is run after a HTTP call. | |
78 | * | |
79 | * @author Marius Gavrilescu | |
80 | */ | |
81 | public static interface ResultCallback{ | |
82 | /** | |
83 | * Callback invoked if the HTTP call is successful. | |
84 | * | |
85 | * @param responseCode HTTP response code | |
86 | * @param responseMessage HTTP response message | |
87 | * @param inputStream HTTP content InputStream | |
88 | */ | |
89 | public void onResult(final int responseCode, final String responseMessage, final InputStream inputStream); | |
90 | /** | |
91 | * Callback invoked if the HTTP call is unsuccessful. | |
92 | * | |
93 | * @param error localized error message | |
94 | */ | |
95 | public void onError(final String error); | |
96 | } | |
97 | ||
98 | /** SSLSocketFactory that uses {@link TotallyInsecureTrustManager} */ | |
99 | private static final SSLSocketFactory DEFAULT_SOCKET_FACTORY; | |
100 | static{ | |
101 | try{ | |
102 | final SSLContext sslcontext=SSLContext.getInstance("TLS"); | |
103 | sslcontext.init(null, new X509TrustManager[]{new TotallyInsecureTrustManager()}, null); | |
104 | DEFAULT_SOCKET_FACTORY=sslcontext.getSocketFactory(); | |
105 | } catch(final Exception e){ | |
106 | Log.wtf("HttpCallExecutableRunnable", "Cannot create SSLSocketFactory", e); | |
107 | throw new AssertionError("Log.wtf did not terminate the process"); | |
108 | } | |
109 | } | |
110 | ||
111 | /** | |
112 | * List of extra request headers. | |
113 | */ | |
114 | private final Collection<Header> headers; | |
115 | /** | |
116 | * Context instance used by this class | |
117 | */ | |
118 | private final Context context; | |
119 | /** | |
120 | * Data to send to the server | |
121 | */ | |
122 | private final byte[] data; | |
123 | /** | |
124 | * Server URL path | |
125 | */ | |
126 | private final String path; | |
127 | /** | |
128 | * Callback to run after the request returns | |
129 | */ | |
130 | private final ResultCallback callback; | |
131 | ||
132 | /** | |
133 | * Constructs a SendHttpMessageAsyncTask which sends a binary message. | |
134 | * | |
135 | * @param path URL path | |
136 | * @param headers the extra headers | |
137 | * @param context the context instance | |
138 | * @param resultCallback {@link ResultCallback} instance | |
139 | * @param data the message to send | |
140 | */ | |
141 | public HttpCallExecutableRunnable(final String path, final @Nullable Collection<Header> headers, final Context context, final @Nullable ResultCallback resultCallback, final byte[] data){//NOPMD array is supposed to be immutable. | |
142 | this.path=path; | |
143 | this.headers=headers; | |
144 | this.context=context; | |
145 | this.callback=resultCallback; | |
146 | this.data=data; | |
147 | } | |
148 | ||
149 | /** | |
150 | * Constructs a SendHttpMessageAsyncTask which sends a text message. | |
151 | * | |
152 | * @param path URL path | |
153 | * @param headers the extra headers | |
154 | * @param context the context instance | |
155 | * @param resultCallback {@link ResultCallback} instance | |
156 | * @param message message to send | |
157 | */ | |
158 | public HttpCallExecutableRunnable(final String path, final @Nullable Collection<Header> headers, final Context context, final @Nullable ResultCallback resultCallback, final String... message){ | |
159 | this.path=path; | |
160 | this.headers=headers; | |
161 | this.context=context; | |
162 | this.callback=resultCallback; | |
163 | if(message.length == 0) | |
164 | this.data=null;//NOPMD final field | |
165 | else | |
166 | this.data=Utils.join(" ", message).getBytes(); | |
167 | } | |
168 | ||
169 | @Override | |
170 | public void run() { | |
171 | try { | |
172 | final URL url=Utils.getServerURL(toNonNull(context),toNonNull(path)); | |
173 | final HttpsURLConnection conn=(HttpsURLConnection) url.openConnection(); | |
174 | conn.setSSLSocketFactory(DEFAULT_SOCKET_FACTORY); | |
175 | if(data!=null){ | |
176 | conn.setDoOutput(true); | |
177 | conn.setFixedLengthStreamingMode(data.length); | |
178 | } | |
179 | conn.setRequestProperty("X-ID", GCMRegistrar.getRegistrationId(context)); | |
180 | final String user=PreferenceManager.getDefaultSharedPreferences(context).getString("username", null); | |
181 | final String password=PreferenceManager.getDefaultSharedPreferences(context).getString("password", null); | |
182 | if(user == null || password == null){ | |
183 | if(callback!=null) | |
184 | callback.onError(toNonNull(context.getString(user_or_password_not_set))); | |
185 | return; | |
186 | } | |
187 | ||
188 | conn.setRequestProperty("Authorization", "Basic "+Base64.encodeToString( | |
189 | (user+':'+password).getBytes(), Base64.NO_WRAP)); | |
190 | if(headers != null) | |
191 | for (final Header header : headers) | |
192 | conn.setRequestProperty(header.name, header.value); | |
193 | conn.connect(); | |
194 | if(data!=null){ | |
195 | final OutputStream stream=conn.getOutputStream(); | |
196 | stream.write(data); | |
197 | stream.close(); | |
198 | } | |
199 | Log.d(getClass().getName(),"HTTP Response: "+conn.getResponseCode()+" "+conn.getResponseMessage()); | |
200 | final String message=conn.getResponseMessage(); | |
201 | if(message==null && callback != null) | |
202 | callback.onError(toNonNull(context.getString(no_response_returned_from_server))); | |
203 | else if(message != null && callback != null) | |
204 | callback.onResult(conn.getResponseCode(), message, | |
205 | toNonNull(conn.getInputStream())); | |
206 | conn.disconnect(); | |
207 | } catch (Exception e) { | |
208 | e.printStackTrace(); | |
209 | if(callback != null) | |
210 | callback.onError(toNonNull(context.getString(connection_error))); | |
211 | } | |
212 | } | |
213 | } |