Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a

src/android/support/v7/mms/SendRequest.java

@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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 android.support.v7.mms;
+
+import android.app.PendingIntent;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.ParcelFileDescriptor;
+import android.os.Parcelable;
+import android.telephony.SmsManager;
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.io.IOException;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Request to send an MMS
+ */
+class SendRequest extends MmsRequest {
+    // Max send response PDU size in bytes (exceeding this may cause problem with
+    // system intent delivery).
+    private static final int MAX_SEND_RESPONSE_SIZE = 1000 * 1024;
+
+    private byte[] mPduData;
+
+    SendRequest(final String locationUrl, final Uri pduUri, final PendingIntent sentIntent) {
+        super(locationUrl, pduUri, sentIntent);
+    }
+
+    @Override
+    protected boolean loadRequest(final Context context, final Bundle mmsConfig) {
+        mPduData = readPduFromContentUri(
+                context,
+                mPduUri,
+                mmsConfig.getInt(
+                        CarrierConfigValuesLoader.CONFIG_MAX_MESSAGE_SIZE,
+                        CarrierConfigValuesLoader.CONFIG_MAX_MESSAGE_SIZE_DEFAULT));
+        return (mPduData != null);
+    }
+
+    @Override
+    protected boolean transferResponse(final Context context, final Intent fillIn,
+            final byte[] response) {
+        // SendConf pdus are always small and can be included in the intent
+        if (response != null && fillIn != null) {
+            if (response.length > MAX_SEND_RESPONSE_SIZE) {
+                // If the response PDU is too large, it won't be able to fit in
+                // the PendingIntent to be transferred via system IPC.
+                return false;
+            }
+            fillIn.putExtra(SmsManager.EXTRA_MMS_DATA, response);
+        }
+        return true;
+    }
+
+    @Override
+    protected byte[] doHttp(Context context, MmsNetworkManager netMgr, ApnSettingsLoader.Apn apn,
+            Bundle mmsConfig, String userAgent, String uaProfUrl) throws MmsHttpException {
+        final MmsHttpClient httpClient = netMgr.getHttpClient();
+        return httpClient.execute(getHttpRequestUrl(apn), mPduData, MmsHttpClient.METHOD_POST,
+                !TextUtils.isEmpty(apn.getMmsProxy()), apn.getMmsProxy(), apn.getMmsProxyPort(),
+                mmsConfig, userAgent, uaProfUrl);
+    }
+
+    @Override
+    protected String getHttpRequestUrl(final ApnSettingsLoader.Apn apn) {
+        return !TextUtils.isEmpty(mLocationUrl) ? mLocationUrl : apn.getMmsc();
+    }
+
+    /**
+     * Read pdu from content provider uri
+     *
+     * @param contentUri content provider uri from which to read
+     * @param maxSize maximum number of bytes to read
+     * @return pdu bytes if succeeded else null
+     */
+    public byte[] readPduFromContentUri(final Context context, final Uri contentUri,
+            final int maxSize) {
+        if (contentUri == null) {
+            return null;
+        }
+        final Callable<byte[]> copyPduToArray = new Callable<byte[]>() {
+            public byte[] call() {
+                ParcelFileDescriptor.AutoCloseInputStream inStream = null;
+                try {
+                    final ContentResolver cr = context.getContentResolver();
+                    final ParcelFileDescriptor pduFd = cr.openFileDescriptor(contentUri, "r");
+                    inStream = new ParcelFileDescriptor.AutoCloseInputStream(pduFd);
+                    // Request one extra byte to make sure file not bigger than maxSize
+                    final byte[] readBuf = new byte[maxSize+1];
+                    final int bytesRead = inStream.read(readBuf, 0, maxSize+1);
+                    if (bytesRead <= 0) {
+                        Log.e(MmsService.TAG, "Reading PDU from sender: empty PDU");
+                        return null;
+                    }
+                    if (bytesRead > maxSize) {
+                        Log.e(MmsService.TAG, "Reading PDU from sender: PDU too large");
+                        return null;
+                    }
+                    // Copy and return the exact length of bytes
+                    final byte[] result = new byte[bytesRead];
+                    System.arraycopy(readBuf, 0, result, 0, bytesRead);
+                    return result;
+                } catch (IOException e) {
+                    Log.e(MmsService.TAG, "Reading PDU from sender: IO exception", e);
+                    return null;
+                } finally {
+                    if (inStream != null) {
+                        try {
+                            inStream.close();
+                        } catch (IOException ex) {
+                            // Ignore
+                        }
+                    }
+                }
+            }
+        };
+        final Future<byte[]> pendingResult = mPduTransferExecutor.submit(copyPduToArray);
+        try {
+            return pendingResult.get(TASK_TIMEOUT_MS, TimeUnit.MILLISECONDS);
+        } catch (Exception e) {
+            // Typically a timeout occurred - cancel task
+            pendingResult.cancel(true);
+        }
+        return null;
+    }
+
+    public static final Parcelable.Creator<SendRequest> CREATOR
+            = new Parcelable.Creator<SendRequest>() {
+        public SendRequest createFromParcel(Parcel in) {
+            return new SendRequest(in);
+        }
+
+        public SendRequest[] newArray(int size) {
+            return new SendRequest[size];
+        }
+    };
+
+    private SendRequest(Parcel in) {
+        super(in);
+    }
+}