| /* |
| * Copyright (C) 2007-2008 Esmertec AG. |
| * Copyright (C) 2007-2008 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 com.google.android.mms.pdu; |
| |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.util.Log; |
| import android.text.TextUtils; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| |
| public class PduComposer { |
| /** |
| * Address type. |
| */ |
| static private final int PDU_PHONE_NUMBER_ADDRESS_TYPE = 1; |
| static private final int PDU_EMAIL_ADDRESS_TYPE = 2; |
| static private final int PDU_IPV4_ADDRESS_TYPE = 3; |
| static private final int PDU_IPV6_ADDRESS_TYPE = 4; |
| static private final int PDU_UNKNOWN_ADDRESS_TYPE = 5; |
| |
| /** |
| * Address regular expression string. |
| */ |
| static final String REGEXP_PHONE_NUMBER_ADDRESS_TYPE = "\\+?[0-9|\\.|\\-]+"; |
| static final String REGEXP_EMAIL_ADDRESS_TYPE = "[a-zA-Z| ]*\\<{0,1}[a-zA-Z| ]+@{1}" + |
| "[a-zA-Z| ]+\\.{1}[a-zA-Z| ]+\\>{0,1}"; |
| static final String REGEXP_IPV6_ADDRESS_TYPE = |
| "[a-fA-F]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}" + |
| "[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}" + |
| "[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}"; |
| static final String REGEXP_IPV4_ADDRESS_TYPE = "[0-9]{1,3}\\.{1}[0-9]{1,3}\\.{1}" + |
| "[0-9]{1,3}\\.{1}[0-9]{1,3}"; |
| |
| /** |
| * The postfix strings of address. |
| */ |
| static final String STRING_PHONE_NUMBER_ADDRESS_TYPE = "/TYPE=PLMN"; |
| static final String STRING_IPV4_ADDRESS_TYPE = "/TYPE=IPV4"; |
| static final String STRING_IPV6_ADDRESS_TYPE = "/TYPE=IPV6"; |
| |
| /** |
| * Error values. |
| */ |
| static private final int PDU_COMPOSE_SUCCESS = 0; |
| static private final int PDU_COMPOSE_CONTENT_ERROR = 1; |
| static private final int PDU_COMPOSE_FIELD_NOT_SET = 2; |
| static private final int PDU_COMPOSE_FIELD_NOT_SUPPORTED = 3; |
| |
| /** |
| * WAP values defined in WSP spec. |
| */ |
| static private final int QUOTED_STRING_FLAG = 34; |
| static private final int END_STRING_FLAG = 0; |
| static private final int LENGTH_QUOTE = 31; |
| static private final int TEXT_MAX = 127; |
| static private final int SHORT_INTEGER_MAX = 127; |
| static private final int LONG_INTEGER_LENGTH_MAX = 8; |
| |
| /** |
| * Block size when read data from InputStream. |
| */ |
| static private final int PDU_COMPOSER_BLOCK_SIZE = 1024; |
| |
| /** |
| * The output message. |
| */ |
| protected ByteArrayOutputStream mMessage = null; |
| |
| /** |
| * The PDU. |
| */ |
| private GenericPdu mPdu = null; |
| |
| /** |
| * Current visiting position of the mMessage. |
| */ |
| protected int mPosition = 0; |
| |
| /** |
| * Message compose buffer stack. |
| */ |
| private BufferStack mStack = null; |
| |
| /** |
| * Content resolver. |
| */ |
| private final ContentResolver mResolver; |
| |
| /** |
| * Header of this pdu. |
| */ |
| private PduHeaders mPduHeader = null; |
| |
| /** |
| * Map of all content type |
| */ |
| private static HashMap<String, Integer> mContentTypeMap = null; |
| |
| static { |
| mContentTypeMap = new HashMap<String, Integer>(); |
| |
| int i; |
| for (i = 0; i < PduContentTypes.contentTypes.length; i++) { |
| mContentTypeMap.put(PduContentTypes.contentTypes[i], i); |
| } |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param context the context |
| * @param pdu the pdu to be composed |
| */ |
| public PduComposer(Context context, GenericPdu pdu) { |
| mPdu = pdu; |
| mResolver = context.getContentResolver(); |
| mPduHeader = pdu.getPduHeaders(); |
| mStack = new BufferStack(); |
| mMessage = new ByteArrayOutputStream(); |
| mPosition = 0; |
| } |
| |
| /** |
| * Make the message. No need to check whether mandatory fields are set, |
| * because the constructors of outgoing pdus are taking care of this. |
| * |
| * @return OutputStream of maked message. Return null if |
| * the PDU is invalid. |
| */ |
| public byte[] make() { |
| // Get Message-type. |
| int type = mPdu.getMessageType(); |
| |
| /* make the message */ |
| switch (type) { |
| case PduHeaders.MESSAGE_TYPE_SEND_REQ: |
| if (makeSendReqPdu() != PDU_COMPOSE_SUCCESS) { |
| return null; |
| } |
| break; |
| case PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND: |
| if (makeNotifyResp() != PDU_COMPOSE_SUCCESS) { |
| return null; |
| } |
| break; |
| case PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND: |
| if (makeAckInd() != PDU_COMPOSE_SUCCESS) { |
| return null; |
| } |
| break; |
| case PduHeaders.MESSAGE_TYPE_READ_REC_IND: |
| if (makeReadRecInd() != PDU_COMPOSE_SUCCESS) { |
| return null; |
| } |
| break; |
| default: |
| return null; |
| } |
| |
| return mMessage.toByteArray(); |
| } |
| |
| /** |
| * Copy buf to mMessage. |
| */ |
| protected void arraycopy(byte[] buf, int pos, int length) { |
| mMessage.write(buf, pos, length); |
| mPosition = mPosition + length; |
| } |
| |
| /** |
| * Append a byte to mMessage. |
| */ |
| protected void append(int value) { |
| mMessage.write(value); |
| mPosition ++; |
| } |
| |
| /** |
| * Append short integer value to mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendShortInteger(int value) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Short-integer = OCTET |
| * ; Integers in range 0-127 shall be encoded as a one octet value |
| * ; with the most significant bit set to one (1xxx xxxx) and with |
| * ; the value in the remaining least significant bits. |
| * In our implementation, only low 7 bits are stored and otherwise |
| * bits are ignored. |
| */ |
| append((value | 0x80) & 0xff); |
| } |
| |
| /** |
| * Append an octet number between 128 and 255 into mMessage. |
| * NOTE: |
| * A value between 0 and 127 should be appended by using appendShortInteger. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendOctet(int number) { |
| append(number); |
| } |
| |
| /** |
| * Append a short length into mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendShortLength(int value) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Short-length = <Any octet 0-30> |
| */ |
| append(value); |
| } |
| |
| /** |
| * Append long integer into mMessage. it's used for really long integers. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendLongInteger(long longInt) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Long-integer = Short-length Multi-octet-integer |
| * ; The Short-length indicates the length of the Multi-octet-integer |
| * Multi-octet-integer = 1*30 OCTET |
| * ; The content octets shall be an unsigned integer value with the |
| * ; most significant octet encoded first (big-endian representation). |
| * ; The minimum number of octets must be used to encode the value. |
| */ |
| int size; |
| long temp = longInt; |
| |
| // Count the length of the long integer. |
| for(size = 0; (temp != 0) && (size < LONG_INTEGER_LENGTH_MAX); size++) { |
| temp = (temp >>> 8); |
| } |
| |
| // Set Length. |
| appendShortLength(size); |
| |
| // Count and set the long integer. |
| int i; |
| int shift = (size -1) * 8; |
| |
| for (i = 0; i < size; i++) { |
| append((int)((longInt >>> shift) & 0xff)); |
| shift = shift - 8; |
| } |
| } |
| |
| /** |
| * Append text string into mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendTextString(byte[] text) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Text-string = [Quote] *TEXT End-of-string |
| * ; If the first character in the TEXT is in the range of 128-255, |
| * ; a Quote character must precede it. Otherwise the Quote character |
| * ;must be omitted. The Quote is not part of the contents. |
| */ |
| if (((text[0])&0xff) > TEXT_MAX) { // No need to check for <= 255 |
| append(TEXT_MAX); |
| } |
| |
| arraycopy(text, 0, text.length); |
| append(0); |
| } |
| |
| /** |
| * Append text string into mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendTextString(String str) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Text-string = [Quote] *TEXT End-of-string |
| * ; If the first character in the TEXT is in the range of 128-255, |
| * ; a Quote character must precede it. Otherwise the Quote character |
| * ;must be omitted. The Quote is not part of the contents. |
| */ |
| appendTextString(str.getBytes()); |
| } |
| |
| /** |
| * Append encoded string value to mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendEncodedString(EncodedStringValue enStr) { |
| /* |
| * From OMA-TS-MMS-ENC-V1_3-20050927-C: |
| * Encoded-string-value = Text-string | Value-length Char-set Text-string |
| */ |
| assert(enStr != null); |
| |
| int charset = enStr.getCharacterSet(); |
| byte[] textString = enStr.getTextString(); |
| if (null == textString) { |
| return; |
| } |
| |
| /* |
| * In the implementation of EncodedStringValue, the charset field will |
| * never be 0. It will always be composed as |
| * Encoded-string-value = Value-length Char-set Text-string |
| */ |
| mStack.newbuf(); |
| PositionMarker start = mStack.mark(); |
| |
| appendShortInteger(charset); |
| appendTextString(textString); |
| |
| int len = start.getLength(); |
| mStack.pop(); |
| appendValueLength(len); |
| mStack.copy(); |
| } |
| |
| /** |
| * Append uintvar integer into mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendUintvarInteger(long value) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * To encode a large unsigned integer, split it into 7-bit fragments |
| * and place them in the payloads of multiple octets. The most significant |
| * bits are placed in the first octets with the least significant bits |
| * ending up in the last octet. All octets MUST set the Continue bit to 1 |
| * except the last octet, which MUST set the Continue bit to 0. |
| */ |
| int i; |
| long max = SHORT_INTEGER_MAX; |
| |
| for (i = 0; i < 5; i++) { |
| if (value < max) { |
| break; |
| } |
| |
| max = (max << 7) | 0x7fl; |
| } |
| |
| while(i > 0) { |
| long temp = value >>> (i * 7); |
| temp = temp & 0x7f; |
| |
| append((int)((temp | 0x80) & 0xff)); |
| |
| i--; |
| } |
| |
| append((int)(value & 0x7f)); |
| } |
| |
| /** |
| * Append date value into mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendDateValue(long date) { |
| /* |
| * From OMA-TS-MMS-ENC-V1_3-20050927-C: |
| * Date-value = Long-integer |
| */ |
| appendLongInteger(date); |
| } |
| |
| /** |
| * Append value length to mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendValueLength(long value) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Value-length = Short-length | (Length-quote Length) |
| * ; Value length is used to indicate the length of the value to follow |
| * Short-length = <Any octet 0-30> |
| * Length-quote = <Octet 31> |
| * Length = Uintvar-integer |
| */ |
| if (value < LENGTH_QUOTE) { |
| appendShortLength((int) value); |
| return; |
| } |
| |
| append(LENGTH_QUOTE); |
| appendUintvarInteger(value); |
| } |
| |
| /** |
| * Append quoted string to mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendQuotedString(byte[] text) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Quoted-string = <Octet 34> *TEXT End-of-string |
| * ;The TEXT encodes an RFC2616 Quoted-string with the enclosing |
| * ;quotation-marks <"> removed. |
| */ |
| append(QUOTED_STRING_FLAG); |
| arraycopy(text, 0, text.length); |
| append(END_STRING_FLAG); |
| } |
| |
| /** |
| * Append quoted string to mMessage. |
| * This implementation doesn't check the validity of parameter, since it |
| * assumes that the values are validated in the GenericPdu setter methods. |
| */ |
| protected void appendQuotedString(String str) { |
| /* |
| * From WAP-230-WSP-20010705-a: |
| * Quoted-string = <Octet 34> *TEXT End-of-string |
| * ;The TEXT encodes an RFC2616 Quoted-string with the enclosing |
| * ;quotation-marks <"> removed. |
| */ |
| appendQuotedString(str.getBytes()); |
| } |
| |
| private EncodedStringValue appendAddressType(EncodedStringValue address) { |
| EncodedStringValue temp = null; |
| |
| try { |
| int addressType = checkAddressType(address.getString()); |
| temp = EncodedStringValue.copy(address); |
| if (PDU_PHONE_NUMBER_ADDRESS_TYPE == addressType) { |
| // Phone number. |
| temp.appendTextString(STRING_PHONE_NUMBER_ADDRESS_TYPE.getBytes()); |
| } else if (PDU_IPV4_ADDRESS_TYPE == addressType) { |
| // Ipv4 address. |
| temp.appendTextString(STRING_IPV4_ADDRESS_TYPE.getBytes()); |
| } else if (PDU_IPV6_ADDRESS_TYPE == addressType) { |
| // Ipv6 address. |
| temp.appendTextString(STRING_IPV6_ADDRESS_TYPE.getBytes()); |
| } |
| } catch (NullPointerException e) { |
| return null; |
| } |
| |
| return temp; |
| } |
| |
| /** |
| * Append header to mMessage. |
| */ |
| private int appendHeader(int field) { |
| switch (field) { |
| case PduHeaders.MMS_VERSION: |
| appendOctet(field); |
| |
| int version = mPduHeader.getOctet(field); |
| if (0 == version) { |
| appendShortInteger(PduHeaders.CURRENT_MMS_VERSION); |
| } else { |
| appendShortInteger(version); |
| } |
| |
| break; |
| |
| case PduHeaders.MESSAGE_ID: |
| case PduHeaders.TRANSACTION_ID: |
| byte[] textString = mPduHeader.getTextString(field); |
| if (null == textString) { |
| return PDU_COMPOSE_FIELD_NOT_SET; |
| } |
| |
| appendOctet(field); |
| appendTextString(textString); |
| break; |
| |
| case PduHeaders.TO: |
| case PduHeaders.BCC: |
| case PduHeaders.CC: |
| EncodedStringValue[] addr = mPduHeader.getEncodedStringValues(field); |
| |
| if (null == addr) { |
| return PDU_COMPOSE_FIELD_NOT_SET; |
| } |
| |
| EncodedStringValue temp; |
| for (int i = 0; i < addr.length; i++) { |
| temp = appendAddressType(addr[i]); |
| if (temp == null) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| appendOctet(field); |
| appendEncodedString(temp); |
| } |
| break; |
| |
| case PduHeaders.FROM: |
| // Value-length (Address-present-token Encoded-string-value | Insert-address-token) |
| appendOctet(field); |
| |
| EncodedStringValue from = mPduHeader.getEncodedStringValue(field); |
| if ((from == null) |
| || TextUtils.isEmpty(from.getString()) |
| || new String(from.getTextString()).equals( |
| PduHeaders.FROM_INSERT_ADDRESS_TOKEN_STR)) { |
| // Length of from = 1 |
| append(1); |
| // Insert-address-token = <Octet 129> |
| append(PduHeaders.FROM_INSERT_ADDRESS_TOKEN); |
| } else { |
| mStack.newbuf(); |
| PositionMarker fstart = mStack.mark(); |
| |
| // Address-present-token = <Octet 128> |
| append(PduHeaders.FROM_ADDRESS_PRESENT_TOKEN); |
| |
| temp = appendAddressType(from); |
| if (temp == null) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| appendEncodedString(temp); |
| |
| int flen = fstart.getLength(); |
| mStack.pop(); |
| appendValueLength(flen); |
| mStack.copy(); |
| } |
| break; |
| |
| case PduHeaders.READ_STATUS: |
| case PduHeaders.STATUS: |
| case PduHeaders.REPORT_ALLOWED: |
| case PduHeaders.PRIORITY: |
| case PduHeaders.DELIVERY_REPORT: |
| case PduHeaders.READ_REPORT: |
| int octet = mPduHeader.getOctet(field); |
| if (0 == octet) { |
| return PDU_COMPOSE_FIELD_NOT_SET; |
| } |
| |
| appendOctet(field); |
| appendOctet(octet); |
| break; |
| |
| case PduHeaders.DATE: |
| long date = mPduHeader.getLongInteger(field); |
| if (-1 == date) { |
| return PDU_COMPOSE_FIELD_NOT_SET; |
| } |
| |
| appendOctet(field); |
| appendDateValue(date); |
| break; |
| |
| case PduHeaders.SUBJECT: |
| EncodedStringValue enString = |
| mPduHeader.getEncodedStringValue(field); |
| if (null == enString) { |
| return PDU_COMPOSE_FIELD_NOT_SET; |
| } |
| |
| appendOctet(field); |
| appendEncodedString(enString); |
| break; |
| |
| case PduHeaders.MESSAGE_CLASS: |
| byte[] messageClass = mPduHeader.getTextString(field); |
| if (null == messageClass) { |
| return PDU_COMPOSE_FIELD_NOT_SET; |
| } |
| |
| appendOctet(field); |
| if (Arrays.equals(messageClass, |
| PduHeaders.MESSAGE_CLASS_ADVERTISEMENT_STR.getBytes())) { |
| appendOctet(PduHeaders.MESSAGE_CLASS_ADVERTISEMENT); |
| } else if (Arrays.equals(messageClass, |
| PduHeaders.MESSAGE_CLASS_AUTO_STR.getBytes())) { |
| appendOctet(PduHeaders.MESSAGE_CLASS_AUTO); |
| } else if (Arrays.equals(messageClass, |
| PduHeaders.MESSAGE_CLASS_PERSONAL_STR.getBytes())) { |
| appendOctet(PduHeaders.MESSAGE_CLASS_PERSONAL); |
| } else if (Arrays.equals(messageClass, |
| PduHeaders.MESSAGE_CLASS_INFORMATIONAL_STR.getBytes())) { |
| appendOctet(PduHeaders.MESSAGE_CLASS_INFORMATIONAL); |
| } else { |
| appendTextString(messageClass); |
| } |
| break; |
| |
| case PduHeaders.EXPIRY: |
| long expiry = mPduHeader.getLongInteger(field); |
| if (-1 == expiry) { |
| return PDU_COMPOSE_FIELD_NOT_SET; |
| } |
| |
| appendOctet(field); |
| |
| mStack.newbuf(); |
| PositionMarker expiryStart = mStack.mark(); |
| |
| append(PduHeaders.VALUE_RELATIVE_TOKEN); |
| appendLongInteger(expiry); |
| |
| int expiryLength = expiryStart.getLength(); |
| mStack.pop(); |
| appendValueLength(expiryLength); |
| mStack.copy(); |
| break; |
| |
| default: |
| return PDU_COMPOSE_FIELD_NOT_SUPPORTED; |
| } |
| |
| return PDU_COMPOSE_SUCCESS; |
| } |
| |
| /** |
| * Make ReadRec.Ind. |
| */ |
| private int makeReadRecInd() { |
| if (mMessage == null) { |
| mMessage = new ByteArrayOutputStream(); |
| mPosition = 0; |
| } |
| |
| // X-Mms-Message-Type |
| appendOctet(PduHeaders.MESSAGE_TYPE); |
| appendOctet(PduHeaders.MESSAGE_TYPE_READ_REC_IND); |
| |
| // X-Mms-MMS-Version |
| if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // Message-ID |
| if (appendHeader(PduHeaders.MESSAGE_ID) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // To |
| if (appendHeader(PduHeaders.TO) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // From |
| if (appendHeader(PduHeaders.FROM) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // Date Optional |
| appendHeader(PduHeaders.DATE); |
| |
| // X-Mms-Read-Status |
| if (appendHeader(PduHeaders.READ_STATUS) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // X-Mms-Applic-ID Optional(not support) |
| // X-Mms-Reply-Applic-ID Optional(not support) |
| // X-Mms-Aux-Applic-Info Optional(not support) |
| |
| return PDU_COMPOSE_SUCCESS; |
| } |
| |
| /** |
| * Make NotifyResp.Ind. |
| */ |
| private int makeNotifyResp() { |
| if (mMessage == null) { |
| mMessage = new ByteArrayOutputStream(); |
| mPosition = 0; |
| } |
| |
| // X-Mms-Message-Type |
| appendOctet(PduHeaders.MESSAGE_TYPE); |
| appendOctet(PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND); |
| |
| // X-Mms-Transaction-ID |
| if (appendHeader(PduHeaders.TRANSACTION_ID) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // X-Mms-MMS-Version |
| if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // X-Mms-Status |
| if (appendHeader(PduHeaders.STATUS) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // X-Mms-Report-Allowed Optional (not support) |
| return PDU_COMPOSE_SUCCESS; |
| } |
| |
| /** |
| * Make Acknowledge.Ind. |
| */ |
| private int makeAckInd() { |
| if (mMessage == null) { |
| mMessage = new ByteArrayOutputStream(); |
| mPosition = 0; |
| } |
| |
| // X-Mms-Message-Type |
| appendOctet(PduHeaders.MESSAGE_TYPE); |
| appendOctet(PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND); |
| |
| // X-Mms-Transaction-ID |
| if (appendHeader(PduHeaders.TRANSACTION_ID) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // X-Mms-MMS-Version |
| if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // X-Mms-Report-Allowed Optional |
| appendHeader(PduHeaders.REPORT_ALLOWED); |
| |
| return PDU_COMPOSE_SUCCESS; |
| } |
| |
| /** |
| * Make Send.req. |
| */ |
| private int makeSendReqPdu() { |
| if (mMessage == null) { |
| mMessage = new ByteArrayOutputStream(); |
| mPosition = 0; |
| } |
| |
| // X-Mms-Message-Type |
| appendOctet(PduHeaders.MESSAGE_TYPE); |
| appendOctet(PduHeaders.MESSAGE_TYPE_SEND_REQ); |
| |
| // X-Mms-Transaction-ID |
| appendOctet(PduHeaders.TRANSACTION_ID); |
| |
| byte[] trid = mPduHeader.getTextString(PduHeaders.TRANSACTION_ID); |
| if (trid == null) { |
| // Transaction-ID should be set(by Transaction) before make(). |
| throw new IllegalArgumentException("Transaction-ID is null."); |
| } |
| appendTextString(trid); |
| |
| // X-Mms-MMS-Version |
| if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // Date Date-value Optional. |
| appendHeader(PduHeaders.DATE); |
| |
| // From |
| if (appendHeader(PduHeaders.FROM) != PDU_COMPOSE_SUCCESS) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| boolean recipient = false; |
| |
| // To |
| if (appendHeader(PduHeaders.TO) != PDU_COMPOSE_CONTENT_ERROR) { |
| recipient = true; |
| } |
| |
| // Cc |
| if (appendHeader(PduHeaders.CC) != PDU_COMPOSE_CONTENT_ERROR) { |
| recipient = true; |
| } |
| |
| // Bcc |
| if (appendHeader(PduHeaders.BCC) != PDU_COMPOSE_CONTENT_ERROR) { |
| recipient = true; |
| } |
| |
| // Need at least one of "cc", "bcc" and "to". |
| if (false == recipient) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // Subject Optional |
| appendHeader(PduHeaders.SUBJECT); |
| |
| // X-Mms-Message-Class Optional |
| // Message-class-value = Class-identifier | Token-text |
| appendHeader(PduHeaders.MESSAGE_CLASS); |
| |
| // X-Mms-Expiry Optional |
| appendHeader(PduHeaders.EXPIRY); |
| |
| // X-Mms-Priority Optional |
| appendHeader(PduHeaders.PRIORITY); |
| |
| // X-Mms-Delivery-Report Optional |
| appendHeader(PduHeaders.DELIVERY_REPORT); |
| |
| // X-Mms-Read-Report Optional |
| appendHeader(PduHeaders.READ_REPORT); |
| |
| // Content-Type |
| appendOctet(PduHeaders.CONTENT_TYPE); |
| |
| // Message body |
| return makeMessageBody(); |
| } |
| |
| /** |
| * Make message body. |
| */ |
| private int makeMessageBody() { |
| // 1. add body informations |
| mStack.newbuf(); // Switching buffer because we need to |
| |
| PositionMarker ctStart = mStack.mark(); |
| |
| // This contentTypeIdentifier should be used for type of attachment... |
| String contentType = new String(mPduHeader.getTextString(PduHeaders.CONTENT_TYPE)); |
| Integer contentTypeIdentifier = mContentTypeMap.get(contentType); |
| if (contentTypeIdentifier == null) { |
| // content type is mandatory |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| appendShortInteger(contentTypeIdentifier.intValue()); |
| |
| // content-type parameter: start |
| PduBody body = ((SendReq) mPdu).getBody(); |
| if (null == body || body.getPartsNum() == 0) { |
| // empty message |
| appendUintvarInteger(0); |
| mStack.pop(); |
| mStack.copy(); |
| return PDU_COMPOSE_SUCCESS; |
| } |
| |
| PduPart part; |
| try { |
| part = body.getPart(0); |
| |
| byte[] start = part.getContentId(); |
| if (start != null) { |
| appendOctet(PduPart.P_DEP_START); |
| if (('<' == start[0]) && ('>' == start[start.length - 1])) { |
| appendTextString(start); |
| } else { |
| appendTextString("<" + new String(start) + ">"); |
| } |
| } |
| |
| // content-type parameter: type |
| appendOctet(PduPart.P_CT_MR_TYPE); |
| appendTextString(part.getContentType()); |
| } |
| catch (ArrayIndexOutOfBoundsException e){ |
| e.printStackTrace(); |
| } |
| |
| int ctLength = ctStart.getLength(); |
| mStack.pop(); |
| appendValueLength(ctLength); |
| mStack.copy(); |
| |
| // 3. add content |
| int partNum = body.getPartsNum(); |
| appendUintvarInteger(partNum); |
| for (int i = 0; i < partNum; i++) { |
| part = body.getPart(i); |
| mStack.newbuf(); // Leaving space for header lengh and data length |
| PositionMarker attachment = mStack.mark(); |
| |
| mStack.newbuf(); // Leaving space for Content-Type length |
| PositionMarker contentTypeBegin = mStack.mark(); |
| |
| byte[] partContentType = part.getContentType(); |
| |
| if (partContentType == null) { |
| // content type is mandatory |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| |
| // content-type value |
| Integer partContentTypeIdentifier = |
| mContentTypeMap.get(new String(partContentType)); |
| if (partContentTypeIdentifier == null) { |
| appendTextString(partContentType); |
| } else { |
| appendShortInteger(partContentTypeIdentifier.intValue()); |
| } |
| |
| /* Content-type parameter : name. |
| * The value of name, filename, content-location is the same. |
| * Just one of them is enough for this PDU. |
| */ |
| byte[] name = part.getName(); |
| |
| if (null == name) { |
| name = part.getFilename(); |
| |
| if (null == name) { |
| name = part.getContentLocation(); |
| |
| if (null == name) { |
| /* at lease one of name, filename, Content-location |
| * should be available. |
| */ |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } |
| } |
| } |
| appendOctet(PduPart.P_DEP_NAME); |
| appendTextString(name); |
| |
| // content-type parameter : charset |
| int charset = part.getCharset(); |
| if (charset != 0) { |
| appendOctet(PduPart.P_CHARSET); |
| appendShortInteger(charset); |
| } |
| |
| int contentTypeLength = contentTypeBegin.getLength(); |
| mStack.pop(); |
| appendValueLength(contentTypeLength); |
| mStack.copy(); |
| |
| // content id |
| byte[] contentId = part.getContentId(); |
| |
| if (null != contentId) { |
| appendOctet(PduPart.P_CONTENT_ID); |
| if (('<' == contentId[0]) && ('>' == contentId[contentId.length - 1])) { |
| appendQuotedString(contentId); |
| } else { |
| appendQuotedString("<" + new String(contentId) + ">"); |
| } |
| } |
| |
| // content-location |
| byte[] contentLocation = part.getContentLocation(); |
| if (null != contentLocation) { |
| appendOctet(PduPart.P_CONTENT_LOCATION); |
| appendTextString(contentLocation); |
| } |
| |
| // content |
| int headerLength = attachment.getLength(); |
| |
| int dataLength = 0; // Just for safety... |
| byte[] partData = part.getData(); |
| |
| if (partData != null) { |
| arraycopy(partData, 0, partData.length); |
| dataLength = partData.length; |
| } else { |
| InputStream cr = null; |
| try { |
| byte[] buffer = new byte[PDU_COMPOSER_BLOCK_SIZE]; |
| cr = mResolver.openInputStream(part.getDataUri()); |
| int len = 0; |
| while ((len = cr.read(buffer)) != -1) { |
| mMessage.write(buffer, 0, len); |
| mPosition += len; |
| dataLength += len; |
| } |
| } catch (FileNotFoundException e) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } catch (IOException e) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } catch (RuntimeException e) { |
| return PDU_COMPOSE_CONTENT_ERROR; |
| } finally { |
| if (cr != null) { |
| try { |
| cr.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| } |
| |
| if (dataLength != (attachment.getLength() - headerLength)) { |
| throw new RuntimeException("BUG: Length sanity check failed"); |
| } |
| |
| mStack.pop(); |
| appendUintvarInteger(headerLength); |
| appendUintvarInteger(dataLength); |
| mStack.copy(); |
| } |
| |
| return PDU_COMPOSE_SUCCESS; |
| } |
| |
| /** |
| * Record current message informations. |
| */ |
| static private class LengthRecordNode { |
| ByteArrayOutputStream currentMessage = null; |
| public int currentPosition = 0; |
| |
| public LengthRecordNode next = null; |
| } |
| |
| /** |
| * Mark current message position and stact size. |
| */ |
| private class PositionMarker { |
| private int c_pos; // Current position |
| private int currentStackSize; // Current stack size |
| |
| int getLength() { |
| // If these assert fails, likely that you are finding the |
| // size of buffer that is deep in BufferStack you can only |
| // find the length of the buffer that is on top |
| if (currentStackSize != mStack.stackSize) { |
| throw new RuntimeException("BUG: Invalid call to getLength()"); |
| } |
| |
| return mPosition - c_pos; |
| } |
| } |
| |
| /** |
| * This implementation can be OPTIMIZED to use only |
| * 2 buffers. This optimization involves changing BufferStack |
| * only... Its usage (interface) will not change. |
| */ |
| private class BufferStack { |
| private LengthRecordNode stack = null; |
| private LengthRecordNode toCopy = null; |
| |
| int stackSize = 0; |
| |
| /** |
| * Create a new message buffer and push it into the stack. |
| */ |
| void newbuf() { |
| // You can't create a new buff when toCopy != null |
| // That is after calling pop() and before calling copy() |
| // If you do, it is a bug |
| if (toCopy != null) { |
| throw new RuntimeException("BUG: Invalid newbuf() before copy()"); |
| } |
| |
| LengthRecordNode temp = new LengthRecordNode(); |
| |
| temp.currentMessage = mMessage; |
| temp.currentPosition = mPosition; |
| |
| temp.next = stack; |
| stack = temp; |
| |
| stackSize = stackSize + 1; |
| |
| mMessage = new ByteArrayOutputStream(); |
| mPosition = 0; |
| } |
| |
| /** |
| * Pop the message before and record current message in the stack. |
| */ |
| void pop() { |
| ByteArrayOutputStream currentMessage = mMessage; |
| int currentPosition = mPosition; |
| |
| mMessage = stack.currentMessage; |
| mPosition = stack.currentPosition; |
| |
| toCopy = stack; |
| // Re using the top element of the stack to avoid memory allocation |
| |
| stack = stack.next; |
| stackSize = stackSize - 1; |
| |
| toCopy.currentMessage = currentMessage; |
| toCopy.currentPosition = currentPosition; |
| } |
| |
| /** |
| * Append current message to the message before. |
| */ |
| void copy() { |
| arraycopy(toCopy.currentMessage.toByteArray(), 0, |
| toCopy.currentPosition); |
| |
| toCopy = null; |
| } |
| |
| /** |
| * Mark current message position |
| */ |
| PositionMarker mark() { |
| PositionMarker m = new PositionMarker(); |
| |
| m.c_pos = mPosition; |
| m.currentStackSize = stackSize; |
| |
| return m; |
| } |
| } |
| |
| /** |
| * Check address type. |
| * |
| * @param address address string without the postfix stinng type, |
| * such as "/TYPE=PLMN", "/TYPE=IPv6" and "/TYPE=IPv4" |
| * @return PDU_PHONE_NUMBER_ADDRESS_TYPE if it is phone number, |
| * PDU_EMAIL_ADDRESS_TYPE if it is email address, |
| * PDU_IPV4_ADDRESS_TYPE if it is ipv4 address, |
| * PDU_IPV6_ADDRESS_TYPE if it is ipv6 address, |
| * PDU_UNKNOWN_ADDRESS_TYPE if it is unknown. |
| */ |
| protected static int checkAddressType(String address) { |
| /** |
| * From OMA-TS-MMS-ENC-V1_3-20050927-C.pdf, section 8. |
| * address = ( e-mail / device-address / alphanum-shortcode / num-shortcode) |
| * e-mail = mailbox; to the definition of mailbox as described in |
| * section 3.4 of [RFC2822], but excluding the |
| * obsolete definitions as indicated by the "obs-" prefix. |
| * device-address = ( global-phone-number "/TYPE=PLMN" ) |
| * / ( ipv4 "/TYPE=IPv4" ) / ( ipv6 "/TYPE=IPv6" ) |
| * / ( escaped-value "/TYPE=" address-type ) |
| * |
| * global-phone-number = ["+"] 1*( DIGIT / written-sep ) |
| * written-sep =("-"/".") |
| * |
| * ipv4 = 1*3DIGIT 3( "." 1*3DIGIT ) ; IPv4 address value |
| * |
| * ipv6 = 4HEXDIG 7( ":" 4HEXDIG ) ; IPv6 address per RFC 2373 |
| */ |
| |
| if (null == address) { |
| return PDU_UNKNOWN_ADDRESS_TYPE; |
| } |
| |
| if (address.matches(REGEXP_IPV4_ADDRESS_TYPE)) { |
| // Ipv4 address. |
| return PDU_IPV4_ADDRESS_TYPE; |
| }else if (address.matches(REGEXP_PHONE_NUMBER_ADDRESS_TYPE)) { |
| // Phone number. |
| return PDU_PHONE_NUMBER_ADDRESS_TYPE; |
| } else if (address.matches(REGEXP_EMAIL_ADDRESS_TYPE)) { |
| // Email address. |
| return PDU_EMAIL_ADDRESS_TYPE; |
| } else if (address.matches(REGEXP_IPV6_ADDRESS_TYPE)) { |
| // Ipv6 address. |
| return PDU_IPV6_ADDRESS_TYPE; |
| } else { |
| // Unknown address. |
| return PDU_UNKNOWN_ADDRESS_TYPE; |
| } |
| } |
| } |
