The Tor Browser: dom/mobilemessage/src/gonk/MmsPduHelper.jsm@6474c204b198 (annotated)

dom/mobilemessage/src/gonk/MmsPduHelper.jsm@6474c204b198 (annotated)

dom/mobilemessage/src/gonk/MmsPduHelper.jsm

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 "use strict";
 const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
 let WSP = {};
 Cu.import("resource://gre/modules/WspPduHelper.jsm", WSP);
 Cu.import("resource://gre/modules/mms_consts.js");
 Cu.import("resource://gre/modules/PhoneNumberUtils.jsm");
 let DEBUG; // set to true to see debug messages
 this.MMS_VERSION = (function() {
   Cu.import("resource://gre/modules/Services.jsm");
   try {
     return Services.prefs.getIntPref("dom.mms.version");
   } catch(ex) {}
   return MMS_VERSION_1_3;
 })();
 this.translatePduErrorToStatus = function translatePduErrorToStatus(error) {
   if (error == MMS_PDU_ERROR_OK) {
     return MMS_PDU_STATUS_RETRIEVED;
   }
   if ((error >= MMS_PDU_ERROR_TRANSIENT_FAILURE)
       && (error < MMS_PDU_ERROR_PERMANENT_FAILURE)) {
     return MMS_PDU_STATUS_DEFERRED;
   }
   return MMS_PDU_STATUS_UNRECOGNISED;
 }
 function defineLazyRegExp(obj, name, pattern) {
   obj.__defineGetter__(name, function() {
     delete obj[name];
     return obj[name] = new RegExp(pattern);
   });
 }
 function RangedValue(name, min, max) {
   this.name = name;
   this.min = min;
   this.max = max;
 }
 RangedValue.prototype = {
   name: null,
   min: null,
   max: null,
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded integer.
    *
    * @throws CodeError if decoded value is not in the range [this.min, this.max].
    */
   decode: function(data) {
     let value = WSP.Octet.decode(data);
     if ((value >= this.min) && (value <= this.max)) {
       return value;
     }
     throw new WSP.CodeError(this.name + ": invalid value " + value);
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param value
    *        An integer value within thr range [this.min, this.max].
    */
   encode: function(data, value) {
     if ((value < this.min) || (value > this.max)) {
       throw new WSP.CodeError(this.name + ": invalid value " + value);
     }
     WSP.Octet.encode(data, value);
   },
 };
 /**
  * Internal decoding function for boolean values.
  *
  * Boolean-value = Yes | No
  * Yes = <Octet 128>
  * No = <Octet 129>
  */
 this.BooleanValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return Boolean true or false.
    *
    * @throws CodeError if read octet equals to neither 128 nor 129.
    */
   decode: function(data) {
     let value = WSP.Octet.decode(data);
     if ((value != 128) && (value != 129)) {
       throw new WSP.CodeError("Boolean-value: invalid value " + value);
     }
     return value == 128;
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param value
    *        A boolean value to be encoded.
    */
   encode: function(data, value) {
     WSP.Octet.encode(data, value ? 128 : 129);
   },
 };
 /**
  * MMS Address
  *
  * address = email | device-address | alphanum-shortcode | num-shortcode
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A section 8
  */
 this.Address = {
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    *
    * @return An object of two string-typed attributes: address and type.
    */
   decode: function(data) {
     let str = EncodedStringValue.decode(data);
     let result;
     if (((result = str.match(this.REGEXP_DECODE_PLMN)) != null)
         || ((result = str.match(this.REGEXP_DECODE_IPV4)) != null)
         || ((result = str.match(this.REGEXP_DECODE_IPV6)) != null)
         || ((result = str.match(this.REGEXP_DECODE_CUSTOM)) != null)) {
       return {address: result[1], type: result[2]};
     }
     let type;
     if (str.match(this.REGEXP_NUM)) {
       type = "num";
     } else if (str.match(this.REGEXP_ALPHANUM)) {
       type = "alphanum";
     } else if (str.indexOf("@") > 0) {
       // E-mail should match the definition of `mailbox` as described in section
       // 3.4 of RFC2822, but excluding the obsolete definitions as indicated by
       // the "obs-" prefix. Here we match only a `@` character.
       type = "email";
     } else {
       throw new WSP.CodeError("Address: invalid address");
     }
     return {address: str, type: type};
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param value
    *        An object of two string-typed attributes: address and type.
    */
   encode: function(data, value) {
     if (!value || !value.type || !value.address) {
       throw new WSP.CodeError("Address: invalid value");
     }
     let str;
     switch (value.type) {
       case "email":
         if (value.address.indexOf("@") > 0) {
           str = value.address;
         }
         break;
       case "num":
         if (value.address.match(this.REGEXP_NUM)) {
           str = value.address;
         }
         break;
       case "alphanum":
         if (value.address.match(this.REGEXP_ALPHANUM)) {
           str = value.address;
         }
         break;
       case "IPv4":
         if (value.address.match(this.REGEXP_ENCODE_IPV4)) {
           str = value.address + "/TYPE=IPv4";
         }
         break;
       case "IPv6":
         if (value.address.match(this.REGEXP_ENCODE_IPV6)) {
           str = value.address + "/TYPE=IPv6";
         }
         break;
       case "PLMN":
         if (value.address.match(this.REGEXP_ENCODE_PLMN)) {
           str = value.address + "/TYPE=PLMN";
         }
         break;
       default:
         if (value.type.match(this.REGEXP_ENCODE_CUSTOM_TYPE)
             && value.address.match(this.REGEXP_ENCODE_CUSTOM_ADDR)) {
           str = value.address + "/TYPE=" + value.type;
 	}
         break;
     }
     if (!str) {
       throw new WSP.CodeError("Address: invalid value: " + JSON.stringify(value));
     }
     EncodedStringValue.encode(data, str);
   },
   /**
    * @param address
    *        Address string which want to find the type.
    *
    * @return Address type.
    */
   resolveType: function(address) {
     if (address.match(this.REGEXP_EMAIL)) {
       return "email";
     }
     if (address.match(this.REGEXP_IPV4)) {
       return "IPv4";
     }
     if (address.match(this.REGEXP_IPV6)) {
       return "IPv6";
     }
     let normalizedAddress = PhoneNumberUtils.normalize(address, false);
     if (PhoneNumberUtils.isPlainPhoneNumber(normalizedAddress)) {
       return "PLMN";
     }
     return "Others";
   },
 };
 defineLazyRegExp(Address, "REGEXP_DECODE_PLMN",        "^(\\+?[\\d.-]+)\\/TYPE=(PLMN)$");
 defineLazyRegExp(Address, "REGEXP_DECODE_IPV4",        "^(\\d{1,3}(?:\\.\\d{1,3}){3})\\/TYPE=(IPv4)$");
 defineLazyRegExp(Address, "REGEXP_DECODE_IPV6",        "^([\\da-fA-F]{4}(?::[\\da-fA-F]{4}){7})\\/TYPE=(IPv6)$");
 defineLazyRegExp(Address, "REGEXP_DECODE_CUSTOM",      "^([\\w\\+\\-.%]+)\\/TYPE=(\\w+)$");
 defineLazyRegExp(Address, "REGEXP_ENCODE_PLMN",        "^\\+?[\\d.-]+$");
 defineLazyRegExp(Address, "REGEXP_ENCODE_IPV4",        "^\\d{1,3}(?:\\.\\d{1,3}){3}$");
 defineLazyRegExp(Address, "REGEXP_ENCODE_IPV6",        "^[\\da-fA-F]{4}(?::[\\da-fA-F]{4}){7}$");
 defineLazyRegExp(Address, "REGEXP_ENCODE_CUSTOM_TYPE", "^\\w+$");
 defineLazyRegExp(Address, "REGEXP_ENCODE_CUSTOM_ADDR", "^[\\w\\+\\-.%]+$");
 defineLazyRegExp(Address, "REGEXP_NUM",                "^[\\+*#]\\d+$");
 defineLazyRegExp(Address, "REGEXP_ALPHANUM",           "^\\w+$");
 defineLazyRegExp(Address, "REGEXP_PLMN",               "^\\?[\\d.-]$");
 defineLazyRegExp(Address, "REGEXP_IPV4",               "^\\d{1,3}(?:\\.\\d{1,3}){3}$");
 defineLazyRegExp(Address, "REGEXP_IPV6",               "^[\\da-fA-F]{4}(?::[\\da-fA-F]{4}){7}$");
 defineLazyRegExp(Address, "REGEXP_EMAIL",              "@");
 /**
  * Header-field = MMS-header | Application-header
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.2
  */
 this.HeaderField = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param options
    *        Extra context for decoding.
    *
    * @return A decoded object containing `name` and `value` properties or null
    *         in case of a failed parsing. The `name` property must be a string,
    *         but the `value` property can be many different types depending on
    *         `name`.
    */
   decode: function(data, options) {
     return WSP.decodeAlternatives(data, options,
                                   MmsHeader, WSP.ApplicationHeader);
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param octet
    *        Octet value to be encoded.
    * @param options
    *        Extra context for encoding.
    */
   encode: function(data, value, options) {
     WSP.encodeAlternatives(data, value, options,
                            MmsHeader, WSP.ApplicationHeader);
   },
 };
 /**
  * MMS-header = MMS-field-name MMS-value
  * MMS-field-name = Short-integer
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.2
  */
 this.MmsHeader = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param options
    *        Extra context for decoding.
    *
    * @return A decoded object containing `name` and `value` properties or null
    *         in case of a failed parsing. The `name` property must be a string,
    *         but the `value` property can be many different types depending on
    *         `name`.
    *
    * @throws NotWellKnownEncodingError if decoded well-known header field
    *         number is not registered or supported.
    */
   decode: function(data, options) {
     let index = WSP.ShortInteger.decode(data);
     let entry = MMS_HEADER_FIELDS[index];
     if (!entry) {
       throw new WSP.NotWellKnownEncodingError(
         "MMS-header: not well known header " + index);
     }
     let cur = data.offset, value;
     try {
       value = entry.coder.decode(data, options);
     } catch (e) {
       data.offset = cur;
       value = WSP.skipValue(data);
       debug("Skip malformed well known header: "
             + JSON.stringify({name: entry.name, value: value}));
       return null;
     }
     return {
       name: entry.name,
       value: value,
     };
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param header
    *        An object containing two attributes: a string-typed `name` and a
    *        `value` of arbitrary type.
    *
    * @throws CodeError if got an empty header name.
    * @throws NotWellKnownEncodingError if the well-known header field number is
    *         not registered or supported.
    */
   encode: function(data, header) {
     if (!header.name) {
       throw new WSP.CodeError("MMS-header: empty header name");
     }
     let entry = MMS_HEADER_FIELDS[header.name.toLowerCase()];
     if (!entry) {
       throw new WSP.NotWellKnownEncodingError(
         "MMS-header: not well known header " + header.name);
     }
     WSP.ShortInteger.encode(data, entry.number);
     entry.coder.encode(data, header.value);
   },
 };
 /**
  * Cancel-status-value = Cancel Request Successfully received |
  *                       Cancel Request corrupted
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.7
  */
 this.CancelStatusValue = new RangedValue("Cancel-status-value", 128, 129);
 /**
  * Content-class-value = text | image-basic| image-rich | video-basic |
  *                       video-rich | megapixel | content-basic | content-rich
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.9
  */
 this.ContentClassValue = new RangedValue("Content-class-value", 128, 135);
 /**
  * When used in a PDU other than M-Mbox-Delete.conf and M-Delete.conf:
  *
  *   Content-location-value = Uri-value
  *
  * When used in the M-Mbox-Delete.conf and M-Delete.conf PDU:
  *
  *   Content-location-Del-value = Value-length Status-count-value Content-location-value
  *   Status-count-value = Integer-value
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.10
  */
 this.ContentLocationValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param options
    *        Extra context for decoding.
    *
    * @return A decoded object containing `uri` and conditional `statusCount`
    *         properties.
    */
   decode: function(data, options) {
     let type = WSP.ensureHeader(options, "x-mms-message-type");
     let result = {};
     if ((type == MMS_PDU_TYPE_MBOX_DELETE_CONF)
         || (type == MMS_PDU_TYPE_DELETE_CONF)) {
       let length = WSP.ValueLength.decode(data);
       let end = data.offset + length;
       result.statusCount = WSP.IntegerValue.decode(data);
       result.uri = WSP.UriValue.decode(data);
       if (data.offset != end) {
         data.offset = end;
       }
     } else {
       result.uri = WSP.UriValue.decode(data);
     }
     return result;
   },
 };
 /**
  * Element-Descriptor-value = Value-length Content-Reference-value *(Parameter)
  * Content-Reference-value = Text-string
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.18
  */
 this.ElementDescriptorValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded object containing a string property `contentReference`
    *         and an optinal `params` name-value map.
    */
   decode: function(data) {
     let length = WSP.ValueLength.decode(data);
     let end = data.offset + length;
     let result = {};
     result.contentReference = WSP.TextString.decode(data);
     if (data.offset < end) {
       result.params = Parameter.decodeMultiple(data, end);
     }
     if (data.offset != end) {
       // Explicitly seek to end in case of skipped parameters.
       data.offset = end;
     }
     return result;
   },
 };
 /**
  * OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.18:
  * `For well-known parameter names binary tokens MUST be used as defined in
  * Table 27.` So we can't reuse that of WSP.
  *
  *   Parameter = Parameter-name Parameter-value
  *   Parameter-name = Short-integer | Text-string
  *   Parameter-value = Constrained-encoding | Text-string
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.18
  */
 this.Parameter = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded string.
    *
    * @throws NotWellKnownEncodingError if decoded well-known parameter number
    *         is not registered or supported.
    */
   decodeParameterName: function(data) {
     let begin = data.offset;
     let number;
     try {
       number = WSP.ShortInteger.decode(data);
     } catch (e) {
       data.offset = begin;
       return WSP.TextString.decode(data).toLowerCase();
     }
     let entry = MMS_WELL_KNOWN_PARAMS[number];
     if (!entry) {
       throw new WSP.NotWellKnownEncodingError(
         "Parameter-name: not well known parameter " + number);
     }
     return entry.name;
   },
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded object containing `name` and `value` properties or null
    *         in case of a failed parsing. The `name` property must be a string,
    *         but the `value` property can be many different types depending on
    *         `name`.
    */
   decode: function(data) {
     let name = this.decodeParameterName(data);
     let value = WSP.decodeAlternatives(data, null,
                                        WSP.ConstrainedEncoding, WSP.TextString);
     return {
       name: name,
       value: value,
     };
   },
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param end
    *        Ending offset of following parameters.
    *
    * @return An array of decoded objects.
    */
   decodeMultiple: function(data, end) {
     let params, param;
     while (data.offset < end) {
       try {
         param = this.decode(data);
       } catch (e) {
         break;
       }
       if (param) {
         if (!params) {
           params = {};
         }
         params[param.name] = param.value;
       }
     }
     return params;
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param param
    *        An object containing two attributes: `name` and `value`.
    * @param options
    *        Extra context for encoding.
    */
   encode: function(data, param, options) {
     if (!param || !param.name) {
       throw new WSP.CodeError("Parameter-name: empty param name");
     }
     let entry = MMS_WELL_KNOWN_PARAMS[param.name.toLowerCase()];
     if (entry) {
       WSP.ShortInteger.encode(data, entry.number);
     } else {
       WSP.TextString.encode(data, param.name);
     }
     WSP.encodeAlternatives(data, param.value, options,
                            WSP.ConstrainedEncoding, WSP.TextString);
   },
 };
 /**
  * The Char-set values are registered by IANA as MIBEnum value and SHALL be
  * encoded as Integer-value.
  *
  *   Encoded-string-value = Text-string | Value-length Char-set Text-string
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.19
  * @see OMA-TS-MMS_CONF-V1_3-20110913-A clause 10.2.1
  */
 this.EncodedStringValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return Decoded string.
    *
    * @throws CodeError if the raw octets cannot be converted.
    * @throws NotWellKnownEncodingError if decoded well-known charset number is
    *         not registered or supported.
    */
   decodeCharsetEncodedString: function(data) {
     let length = WSP.ValueLength.decode(data);
     let end = data.offset + length;
     let charset = WSP.IntegerValue.decode(data);
     let entry = WSP.WSP_WELL_KNOWN_CHARSETS[charset];
     if (!entry) {
       throw new WSP.NotWellKnownEncodingError(
         "Charset-encoded-string: not well known charset " + charset);
     }
     let str;
     if (entry.converter) {
       // Read a possible string quote(<Octet 127>).
       let begin = data.offset;
       if (WSP.Octet.decode(data) != 127) {
         data.offset = begin;
       }
       let raw = WSP.Octet.decodeMultiple(data, end - 1);
       // Read NUL character.
       WSP.Octet.decodeEqualTo(data, 0);
       if (!raw) {
         str = "";
       } else {
         let conv = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
                    .createInstance(Ci.nsIScriptableUnicodeConverter);
         conv.charset = entry.converter;
         try {
           str = conv.convertFromByteArray(raw, raw.length);
         } catch (e) {
           throw new WSP.CodeError("Charset-encoded-string: " + e.message);
         }
       }
     } else {
       str = WSP.TextString.decode(data);
     }
     if (data.offset != end) {
       data.offset = end;
     }
     return str;
   },
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return Decoded string.
    */
   decode: function(data) {
     let begin = data.offset;
     try {
       return WSP.TextString.decode(data);
     } catch (e) {
       data.offset = begin;
       return this.decodeCharsetEncodedString(data);
     }
   },
   /**
    * Always encode target string with UTF-8 encoding.
    *
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param str
    *        A string.
    */
   encodeCharsetEncodedString: function(data, str) {
     let conv = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
                .createInstance(Ci.nsIScriptableUnicodeConverter);
     // `When the text string cannot be represented as us-ascii, the character
     // set SHALL be encoded as utf-8(IANA MIBenum 106) which has unique byte
     // ordering.` ~ OMA-TS-MMS_CONF-V1_3-20110913-A clause 10.2.1
     conv.charset = "UTF-8";
     let raw;
     try {
       raw = conv.convertToByteArray(str);
     } catch (e) {
       throw new WSP.CodeError("Charset-encoded-string: " + e.message);
     }
     let length = raw.length + 2; // Charset number and NUL character
     // Prepend <Octet 127> if necessary.
     if (raw[0] >= 128) {
       ++length;
     }
     WSP.ValueLength.encode(data, length);
     let entry = WSP.WSP_WELL_KNOWN_CHARSETS["utf-8"];
     WSP.IntegerValue.encode(data, entry.number);
     if (raw[0] >= 128) {
       WSP.Octet.encode(data, 127);
     }
     WSP.Octet.encodeMultiple(data, raw);
     WSP.Octet.encode(data, 0);
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param str
    *        A string.
    */
   encode: function(data, str) {
     let begin = data.offset;
     try {
       // Quoted from OMA-TS-MMS-CONF-V1_3-20110913-A:
       // Some of the MMS headers have been defined as "Encoded-string-value".
       // The character set IANA MIBEnum value in these headers SHALL be
       // encoded as Integer-value ([WAPWSP] section 8.4.2.3). The character
       // set us-ascii (IANA MIBenum 3) SHALL always be accepted. If the
       // character set is not specified (simple Text-string encoding) the
       // character set SHALL be identified as us-ascii (lower half of ISO
       // 8859-1 [ISO8859-1]). When the text string cannot be represented as
       // us-ascii, the character set SHALL be encoded as utf-8 (IANA MIBenum
       // 106) which has unique byte ordering.
       WSP.TextString.encode(data, str, true);
     } catch (e) {
       data.offset = begin;
       this.encodeCharsetEncodedString(data, str);
     }
   },
 };
 /**
  * Expiry-value = Value-length (Absolute-token Date-value | Relative-token Delta-seconds-value)
  * Absolute-token = <Octet 128>
  * Relative-token = <Octet 129>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.20
  */
 this.ExpiryValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A Date object for absolute expiry or an integer for relative one.
    *
    * @throws CodeError if decoded token equals to neither 128 nor 129.
    */
   decode: function(data) {
     let length = WSP.ValueLength.decode(data);
     let end = data.offset + length;
     let token = WSP.Octet.decode(data);
     if ((token != 128) && (token != 129)) {
       throw new WSP.CodeError("Expiry-value: invalid token " + token);
     }
     let result;
     if (token == 128) {
       result = WSP.DateValue.decode(data);
     } else {
       result = WSP.DeltaSecondsValue.decode(data);
     }
     if (data.offset != end) {
       data.offset = end;
     }
     return result;
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param value
    *        A Date object for absolute expiry or an integer for relative one.
    */
   encode: function(data, value) {
     let isDate, begin = data.offset;
     if (value instanceof Date) {
       isDate = true;
       WSP.DateValue.encode(data, value);
     } else if (typeof value == "number") {
       isDate = false;
       WSP.DeltaSecondsValue.encode(data, value);
     } else {
       throw new CodeError("Expiry-value: invalid value type");
     }
     // Calculate how much octets will be written and seek back.
     // TODO: use memmove, see bug 730873
     let len = data.offset - begin;
     data.offset = begin;
     WSP.ValueLength.encode(data, len + 1);
     if (isDate) {
       WSP.Octet.encode(data, 128);
       WSP.DateValue.encode(data, value);
     } else {
       WSP.Octet.encode(data, 129);
       WSP.DeltaSecondsValue.encode(data, value);
     }
   },
 };
 /**
  * From-value = Value-length (Address-present-token Address | Insert-address-token)
  * Address-present-token = <Octet 128>
  * Insert-address-token = <Octet 129>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.21
  */
 this.FromValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded Address-value or null for MMS Proxy-Relay Insert-Address
    *         mode.
    *
    * @throws CodeError if decoded token equals to neither 128 nor 129.
    */
   decode: function(data) {
     let length = WSP.ValueLength.decode(data);
     let end = data.offset + length;
     let token = WSP.Octet.decode(data);
     if ((token != 128) && (token != 129)) {
       throw new WSP.CodeError("From-value: invalid token " + token);
     }
     let result = null;
     if (token == 128) {
       result = Address.decode(data);
     }
     if (data.offset != end) {
       data.offset = end;
     }
     return result;
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param value
    *        A Address-value or null for MMS Proxy-Relay Insert-Address mode.
    */
   encode: function(data, value) {
     if (!value) {
       WSP.ValueLength.encode(data, 1);
       WSP.Octet.encode(data, 129);
       return;
     }
     // Calculate how much octets will be written and seek back.
     // TODO: use memmove, see bug 730873
     let begin = data.offset;
     Address.encode(data, value);
     let len = data.offset - begin;
     data.offset = begin;
     WSP.ValueLength.encode(data, len + 1);
     WSP.Octet.encode(data, 128);
     Address.encode(data, value);
   },
 };
 /**
  * Previously-sent-by-value = Value-length Forwarded-count-value Address
  * Forwarded-count-value = Integer-value
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.23
  */
 this.PreviouslySentByValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return Decoded object containing an integer `forwardedCount` and an
    *         string-typed `originator` attributes.
    */
   decode: function(data) {
     let length = WSP.ValueLength.decode(data);
     let end = data.offset + length;
     let result = {};
     result.forwardedCount = WSP.IntegerValue.decode(data);
     result.originator = Address.decode(data);
     if (data.offset != end) {
       data.offset = end;
     }
     return result;
   },
 };
 /**
  * Previously-sent-date-value = Value-length Forwarded-count-value Date-value
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.23
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.24
  */
 this.PreviouslySentDateValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return Decoded object containing an integer `forwardedCount` and an
    *         Date-typed `timestamp` attributes.
    */
   decode: function(data) {
     let length = WSP.ValueLength.decode(data);
     let end = data.offset + length;
     let result = {};
     result.forwardedCount = WSP.IntegerValue.decode(data);
     result.timestamp = WSP.DateValue.decode(data);
     if (data.offset != end) {
       data.offset = end;
     }
     return result;
   },
 };
 /**
  * Message-class-value = Class-identifier | Token-text
  * Class-identifier = Personal | Advertisement | Informational | Auto
  * Personal = <Octet 128>
  * Advertisement = <Octet 129>
  * Informational = <Octet 130>
  * Auto = <Octet 131>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.27
  */
 this.MessageClassValue = {
   WELL_KNOWN_CLASSES: ["personal", "advertisement", "informational", "auto"],
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded string.
    *
    * @throws CodeError if decoded value is not in the range 128..131.
    */
   decodeClassIdentifier: function(data) {
     let value = WSP.Octet.decode(data);
     if ((value >= 128) && (value < (128 + this.WELL_KNOWN_CLASSES.length))) {
       return this.WELL_KNOWN_CLASSES[value - 128];
     }
     throw new WSP.CodeError("Class-identifier: invalid id " + value);
   },
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded string.
    */
   decode: function(data) {
     let begin = data.offset;
     try {
       return this.decodeClassIdentifier(data);
     } catch (e) {
       data.offset = begin;
       return WSP.TokenText.decode(data);
     }
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param klass
    */
   encode: function(data, klass) {
     let index = this.WELL_KNOWN_CLASSES.indexOf(klass.toLowerCase());
     if (index >= 0) {
       WSP.Octet.encode(data, index + 128);
     } else {
       WSP.TokenText.encode(data, klass);
     }
   },
 };
  /**
  * Message-type-value = <Octet 128..151>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.30
  */
 this.MessageTypeValue = new RangedValue("Message-type-value", 128, 151);
 /**
  * MM-flags-value = Value-length ( Add-token | Remove-token | Filter-token ) Encoded-string-value
  * Add-token = <Octet 128>
  * Remove-token = <Octet 129>
  * Filter-token = <Octet 130>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.32
  */
 this.MmFlagsValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return Decoded object containing an integer `type` and an string-typed
    *         `text` attributes.
    *
    * @throws CodeError if decoded value is not in the range 128..130.
    */
   decode: function(data) {
     let length = WSP.ValueLength.decode(data);
     let end = data.offset + length;
     let result = {};
     result.type = WSP.Octet.decode(data);
     if ((result.type < 128) || (result.type > 130)) {
       throw new WSP.CodeError("MM-flags-value: invalid type " + result.type);
     }
     result.text = EncodedStringValue.decode(data);
     if (data.offset != end) {
       data.offset = end;
     }
     return result;
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param value
    *        An object containing an integer `type` and an string-typed
    *        `text` attributes.
    */
   encode: function(data, value) {
     if ((value.type < 128) || (value.type > 130)) {
       throw new WSP.CodeError("MM-flags-value: invalid type " + value.type);
     }
     // Calculate how much octets will be written and seek back.
     // TODO: use memmove, see bug 730873
     let begin = data.offset;
     EncodedStringValue.encode(data, value.text);
     let len = data.offset - begin;
     data.offset = begin;
     WSP.ValueLength.encode(data, len + 1);
     WSP.Octet.encode(data, value.type);
     EncodedStringValue.encode(data, value.text);
   },
 };
 /**
  * MM-state-value = Draft | Sent | New | Retrieved | Forwarded
  * Draft = <Octet 128>
  * Sent = <Octet 129>
  * New = <Octet 130>
  * Retrieved = <Octet 131>
  * Forwarded = <Octet 132>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.33
  */
 this.MmStateValue = new RangedValue("MM-state-value", 128, 132);
 /**
  * Priority-value = Low | Normal | High
  * Low = <Octet 128>
  * Normal = <Octet 129>
  * High = <Octet 130>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.35
  */
 this.PriorityValue = new RangedValue("Priority-value", 128, 130);
 /**
  * Read-status-value = Read | Deleted without being read
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.38
  */
 this.ReadStatusValue = new RangedValue("Read-status-value", 128, 129);
 /**
  * Recommended-Retrieval-Mode-value = Manual
  * Manual = <Octet 128>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.39
  */
 this.RecommendedRetrievalModeValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded integer.
    */
   decode: function(data) {
     return WSP.Octet.decodeEqualTo(data, 128);
   },
 };
 /**
  * Reply-charging-value = Requested | Requested text only | Accepted |
  *                        Accepted text only
  * Requested = <Octet 128>
  * Requested text only = <Octet 129>
  * Accepted = <Octet 130>
  * Accepted text only = <Octet 131>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.43
  */
 this.ReplyChargingValue = new RangedValue("Reply-charging-value", 128, 131);
 /**
  * When used in a PDU other than M-Mbox-Delete.conf and M-Delete.conf:
  *
  *   Response-text-value = Encoded-string-value
  *
  * When used in the M-Mbox-Delete.conf and M-Delete.conf PDUs:
  *
  *   Response-text-Del-value = Value-length Status-count-value Response-text-value
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.49
  */
 this.ResponseText = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param options
    *        Extra context for decoding.
    *
    * @return An object containing a string-typed `text` attribute and a
    *         integer-typed `statusCount` one.
    */
   decode: function(data, options) {
     let type = WSP.ensureHeader(options, "x-mms-message-type");
     let result = {};
     if ((type == MMS_PDU_TYPE_MBOX_DELETE_CONF)
         || (type == MMS_PDU_TYPE_DELETE_CONF)) {
       let length = WSP.ValueLength.decode(data);
       let end = data.offset + length;
       result.statusCount = WSP.IntegerValue.decode(data);
       result.text = EncodedStringValue.decode(data);
       if (data.offset != end) {
         data.offset = end;
       }
     } else {
       result.text = EncodedStringValue.decode(data);
     }
     return result;
   },
 };
 /**
  * Retrieve-status-value = Ok | Error-transient-failure |
  *                         Error-transient-message-not-found |
  *                         Error-transient-network-problem |
  *                         Error-permanent-failure |
  *                         Error-permanent-service-denied |
  *                         Error-permanent-message-not-found |
  *                         Error-permanent-content-unsupported
  * Ok = <Octet 128>
  * Error-transient-failure = <Octet 192>
  * Error-transient-message-not-found = <Octet 193>
  * Error-transient-network-problem = <Octet 194>
  * Error-permanent-failure = <Octet 224>
  * Error-permanent-service-denied = <Octet 225>
  * Error-permanent-message-not-found = <Octet 226>
  * Error-permanent-content-unsupported = <Octet 227>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.50
  */
 this.RetrieveStatusValue = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    *
    * @return A decoded integer.
    */
   decode: function(data) {
     let value = WSP.Octet.decode(data);
     if (value == MMS_PDU_ERROR_OK) {
       return value;
     }
     if ((value >= MMS_PDU_ERROR_TRANSIENT_FAILURE) && (value < 256)) {
       return value;
     }
     // Any other values SHALL NOT be used. They are reserved for future use.
     // An MMS Client that receives such a reserved value MUST react the same
     // as it does to the value 224 (Error-permanent-failure).
     return MMS_PDU_ERROR_PERMANENT_FAILURE;
   },
 };
 /**
  * Sender-visibility-value = Hide | Show
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.52
  */
 this.SenderVisibilityValue = new RangedValue("Sender-visibility-value", 128, 129);
 /**
  * Status-value = Expired | Retrieved | Rejected | Deferred | Unrecognised |
  *                Indeterminate | Forwarded | Unreachable
  * Expired = <Octet 128>
  * Retrieved = <Octet 129>
  * Rejected = <Octet 130>
  * Deferred = <Octet 131>
  * Unrecognised = <Octet 132>
  * Indeterminate = <Octet 133>
  * Forwarded = <Octet 134>
  * Unreachable = <Octet 135>
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.3.54
  */
 this.StatusValue = new RangedValue("Status-value", 128, 135);
 this.PduHelper = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param headers
    *        An optional object to store parsed header fields. Created
    *        automatically if undefined.
    *
    * @return A boolean value indicating whether it's followed by message body.
    */
   parseHeaders: function(data, headers) {
     if (!headers) {
       headers = {};
     }
     let header;
     while (data.offset < data.array.length) {
       // There is no `header length` information in MMS PDU. If we just got
       // something wrong in parsing header fields, we might not be able to
       // determine the correct header-content boundary.
       header = HeaderField.decode(data, headers);
       if (header) {
         let orig = headers[header.name];
         if (Array.isArray(orig)) {
           headers[header.name].push(header.value);
         } else if (orig) {
           headers[header.name] = [orig, header.value];
         } else {
           headers[header.name] = header.value;
         }
         if (header.name == "content-type") {
           // `... if the PDU contains a message body the Content Type MUST be
           // the last header field, followed by message body.` See
           // OMA-TS-MMS_ENC-V1_3-20110913-A section 7.
           break;
         }
       }
     }
     return headers;
   },
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param msg
    *        A message object to store decoded multipart or octet array content.
    */
   parseContent: function(data, msg) {
     let contentType = msg.headers["content-type"].media;
     if ((contentType == "application/vnd.wap.multipart.related")
         || (contentType == "application/vnd.wap.multipart.mixed")) {
       msg.parts = WSP.PduHelper.parseMultiPart(data);
       return;
     }
     if (data.offset >= data.array.length) {
       return;
     }
     msg.content = WSP.Octet.decodeMultiple(data, data.array.length);
     if (false) {
       for (let begin = 0; begin < msg.content.length; begin += 20) {
         debug("content: " + JSON.stringify(msg.content.subarray(begin, begin + 20)));
       }
     }
   },
   /**
    * Check existences of all mandatory fields of a MMS message. Also sets `type`
    * for convenient access.
    *
    * @param msg
    *        A MMS message object.
    *
    * @return The corresponding entry in MMS_PDU_TYPES;
    *
    * @throws FatalCodeError if the PDU type is not supported yet.
    */
   checkMandatoryFields: function(msg) {
     let type = WSP.ensureHeader(msg.headers, "x-mms-message-type");
     let entry = MMS_PDU_TYPES[type];
     if (!entry) {
       throw new WSP.FatalCodeError(
         "checkMandatoryFields: unsupported message type " + type);
     }
     entry.mandatoryFields.forEach(function(name) {
       WSP.ensureHeader(msg.headers, name);
     });
     // Setup convenient alias that referenced frequently.
     msg.type = type;
     return entry;
   },
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param msg [optional]
    *        Optional target object for decoding.
    *
    * @return A MMS message object or null in case of errors found.
    */
   parse: function(data, msg) {
     if (!msg) {
       msg = {};
     }
     try {
       msg.headers = this.parseHeaders(data, msg.headers);
       // Validity checks
       let typeinfo = this.checkMandatoryFields(msg);
       if (typeinfo.hasContent) {
         this.parseContent(data, msg);
       }
     } catch (e) {
       debug("Failed to parse MMS message, error message: " + e.message);
       return null;
     }
     return msg;
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param headers
    *        A dictionary object containing multiple name/value mapping.
    * @param name
    *        Name of the header field to be encoded.
    */
   encodeHeader: function(data, headers, name) {
     let value = headers[name];
     if (Array.isArray(value)) {
       for (let i = 0; i < value.length; i++) {
         HeaderField.encode(data, {name: name, value: value[i]}, headers);
       }
     } else {
       HeaderField.encode(data, {name: name, value: value}, headers);
     }
   },
   /**
    * @param data
    *        A wrapped object to store encoded raw data.
    * @param headers
    *        A dictionary object containing multiple name/value mapping.
    */
   encodeHeaderIfExists: function(data, headers, name) {
     // Header value could be zero or null.
     if (headers[name] !== undefined) {
       this.encodeHeader(data, headers, name);
     }
   },
   /**
    * @param data [optional]
    *        A wrapped object to store encoded raw data. Created if undefined.
    * @param headers
    *        A dictionary object containing multiple name/value mapping.
    *
    * @return the passed data parameter or a created one.
    */
   encodeHeaders: function(data, headers) {
     if (!data) {
       data = {array: [], offset: 0};
     }
     // `In the encoding of the header fields, the order of the fields is not
     // significant, except that X-Mms-Message-Type, X-Mms-Transaction-ID (when
     // present) and X-Mms-MMS-Version MUST be at the beginning of the message
     // headers, in that order, and if the PDU contains a message body the
     // Content Type MUST be the last header field, followed by message body.`
     // ~ OMA-TS-MMS_ENC-V1_3-20110913-A section 7
     this.encodeHeader(data, headers, "x-mms-message-type");
     this.encodeHeaderIfExists(data, headers, "x-mms-transaction-id");
     this.encodeHeaderIfExists(data, headers, "x-mms-mms-version");
     for (let key in headers) {
       if ((key == "x-mms-message-type")
           || (key == "x-mms-transaction-id")
           || (key == "x-mms-mms-version")
           || (key == "content-type")) {
         continue;
       }
       this.encodeHeader(data, headers, key);
     }
     this.encodeHeaderIfExists(data, headers, "content-type");
     return data;
   },
   /**
    * @param multiStream
    *        An exsiting nsIMultiplexInputStream.
    * @param msg
    *        A MMS message object.
    *
    * @return An instance of nsIMultiplexInputStream or null in case of errors.
    */
   compose: function(multiStream, msg) {
     if (!multiStream) {
       multiStream = Cc["@mozilla.org/io/multiplex-input-stream;1"]
                     .createInstance(Ci.nsIMultiplexInputStream);
     }
     try {
       // Validity checks
       let typeinfo = this.checkMandatoryFields(msg);
       let data = this.encodeHeaders(null, msg.headers);
       debug("Composed PDU Header: " + JSON.stringify(data.array));
       WSP.PduHelper.appendArrayToMultiStream(multiStream, data.array, data.offset);
       if (msg.content) {
         WSP.PduHelper.appendArrayToMultiStream(multiStream, msg.content, msg.content.length);
       } else if (msg.parts) {
         WSP.PduHelper.composeMultiPart(multiStream, msg.parts);
       } else if (typeinfo.hasContent) {
         throw new WSP.CodeError("Missing message content");
       }
       return multiStream;
     } catch (e) {
       debug("Failed to compose MMS message, error message: " + e.message);
       return null;
     }
   },
 };
 const MMS_PDU_TYPES = (function() {
   let pdus = {};
   function add(number, hasContent, mandatoryFields) {
     pdus[number] = {
       number: number,
       hasContent: hasContent,
       mandatoryFields: mandatoryFields,
     };
   }
   add(MMS_PDU_TYPE_SEND_REQ, true, ["x-mms-message-type",
                                     "x-mms-transaction-id",
                                     "x-mms-mms-version",
                                     "from",
                                     "content-type"]);
   add(MMS_PDU_TYPE_SEND_CONF, false, ["x-mms-message-type",
                                       "x-mms-transaction-id",
                                       "x-mms-mms-version",
                                       "x-mms-response-status"]);
   add(MMS_PDU_TYPE_NOTIFICATION_IND, false, ["x-mms-message-type",
                                              "x-mms-transaction-id",
                                              "x-mms-mms-version",
                                              "x-mms-message-class",
                                              "x-mms-message-size",
                                              "x-mms-expiry",
                                              "x-mms-content-location"]);
   add(MMS_PDU_TYPE_RETRIEVE_CONF, true, ["x-mms-message-type",
                                          "x-mms-mms-version",
                                          "date",
                                          "content-type"]);
   add(MMS_PDU_TYPE_NOTIFYRESP_IND, false, ["x-mms-message-type",
                                            "x-mms-transaction-id",
                                            "x-mms-mms-version",
                                            "x-mms-status"]);
   add(MMS_PDU_TYPE_DELIVERY_IND, false, ["x-mms-message-type",
                                          "x-mms-mms-version",
                                          "message-id",
                                          "to",
                                          "date",
                                          "x-mms-status"]);
   add(MMS_PDU_TYPE_ACKNOWLEDGE_IND, false, ["x-mms-message-type",
                                             "x-mms-transaction-id",
                                             "x-mms-mms-version"]);
   add(MMS_PDU_TYPE_READ_REC_IND, false, ["x-mms-message-type",
                                          "message-id",
                                          "x-mms-mms-version",
                                          "to",
                                          "from",
                                          "x-mms-read-status"]);
   add(MMS_PDU_TYPE_READ_ORIG_IND, false, ["x-mms-message-type",
                                           "x-mms-mms-version",
                                           "message-id",
                                           "to",
                                           "from",
                                           "date",
                                           "x-mms-read-status"]);
   return pdus;
 })();
 /**
  * Header field names and assigned numbers.
  *
  * @see OMA-TS-MMS_ENC-V1_3-20110913-A clause 7.4
  */
 const MMS_HEADER_FIELDS = (function() {
   let names = {};
   function add(name, number, coder) {
     let entry = {
       name: name,
       number: number,
       coder: coder,
     };
     names[name] = names[number] = entry;
   }
   add("bcc",                                     0x01, Address);
   add("cc",                                      0x02, Address);
   add("x-mms-content-location",                  0x03, ContentLocationValue);
   add("content-type",                            0x04, WSP.ContentTypeValue);
   add("date",                                    0x05, WSP.DateValue);
   add("x-mms-delivery-report",                   0x06, BooleanValue);
   add("x-mms-delivery-time",                     0x07, ExpiryValue);
   add("x-mms-expiry",                            0x08, ExpiryValue);
   add("from",                                    0x09, FromValue);
   add("x-mms-message-class",                     0x0A, MessageClassValue);
   add("message-id",                              0x0B, WSP.TextString);
   add("x-mms-message-type",                      0x0C, MessageTypeValue);
   add("x-mms-mms-version",                       0x0D, WSP.ShortInteger);
   add("x-mms-message-size",                      0x0E, WSP.LongInteger);
   add("x-mms-priority",                          0x0F, PriorityValue);
   add("x-mms-read-report",                       0x10, BooleanValue);
   add("x-mms-report-allowed",                    0x11, BooleanValue);
   add("x-mms-response-status",                   0x12, RetrieveStatusValue);
   add("x-mms-response-text",                     0x13, ResponseText);
   add("x-mms-sender-visibility",                 0x14, SenderVisibilityValue);
   add("x-mms-status",                            0x15, StatusValue);
   add("subject",                                 0x16, EncodedStringValue);
   add("to",                                      0x17, Address);
   add("x-mms-transaction-id",                    0x18, WSP.TextString);
   add("x-mms-retrieve-status",                   0x19, RetrieveStatusValue);
   add("x-mms-retrieve-text",                     0x1A, EncodedStringValue);
   add("x-mms-read-status",                       0x1B, ReadStatusValue);
   add("x-mms-reply-charging",                    0x1C, ReplyChargingValue);
   add("x-mms-reply-charging-deadline",           0x1D, ExpiryValue);
   add("x-mms-reply-charging-id",                 0x1E, WSP.TextString);
   add("x-mms-reply-charging-size",               0x1F, WSP.LongInteger);
   add("x-mms-previously-sent-by",                0x20, PreviouslySentByValue);
   add("x-mms-previously-sent-date",              0x21, PreviouslySentDateValue);
   add("x-mms-store",                             0x22, BooleanValue);
   add("x-mms-mm-state",                          0x23, MmStateValue);
   add("x-mms-mm-flags",                          0x24, MmFlagsValue);
   add("x-mms-store-status",                      0x25, RetrieveStatusValue);
   add("x-mms-store-status-text",                 0x26, EncodedStringValue);
   add("x-mms-stored",                            0x27, BooleanValue);
   //add("x-mms-attributes", 0x28);
   add("x-mms-totals",                            0x29, BooleanValue);
   //add("x-mms-mbox-totals", 0x2A);
   add("x-mms-quotas",                            0x2B, BooleanValue);
   //add("x-mms-mbox-quotas", 0x2C);
   add("x-mms-message-count",                     0x2D, WSP.IntegerValue);
   //add("content", 0x2E);
   add("x-mms-start",                             0x2F, WSP.IntegerValue);
   //add("additional-headers", 0x30);
   add("x-mms-distribution-indicator",            0x31, BooleanValue);
   add("x-mms-element-descriptor",                0x32, ElementDescriptorValue);
   add("x-mms-limit",                             0x33, WSP.IntegerValue);
   add("x-mms-recommended-retrieval-mode",        0x34, RecommendedRetrievalModeValue);
   add("x-mms-recommended-retrieval-mode-text",   0x35, EncodedStringValue);
   //add("x-mms-status-text", 0x36);
   add("x-mms-applic-id",                         0x37, WSP.TextString);
   add("x-mms-reply-applic-id",                   0x38, WSP.TextString);
   add("x-mms-aux-applic-id",                     0x39, WSP.TextString);
   add("x-mms-content-class",                     0x3A, ContentClassValue);
   add("x-mms-drm-content",                       0x3B, BooleanValue);
   add("x-mms-adaptation-allowed",                0x3C, BooleanValue);
   add("x-mms-replace-id",                        0x3D, WSP.TextString);
   add("x-mms-cancel-id",                         0x3E, WSP.TextString);
   add("x-mms-cancel-status",                     0x3F, CancelStatusValue);
   return names;
 })();
 // @see OMA-TS-MMS_ENC-V1_3-20110913-A Table 27: Parameter Name Assignments
 const MMS_WELL_KNOWN_PARAMS = (function() {
   let params = {};
   function add(name, number, coder) {
     let entry = {
       name: name,
       number: number,
       coder: coder,
     };
     params[name] = params[number] = entry;
   }
   // Encoding Version: 1.2
   add("type", 0x02, WSP.TypeValue);
   return params;
 })();
 let debug;
 if (DEBUG) {
   debug = function(s) {
     dump("-$- MmsPduHelper: " + s + "\n");
   };
 } else {
   debug = function(s) {};
 }
 this.EXPORTED_SYMBOLS = ALL_CONST_SYMBOLS.concat([
   // Constant values
   "MMS_VERSION",
   // Utility functions
   "translatePduErrorToStatus",
   // Decoders
   "BooleanValue",
   "Address",
   "HeaderField",
   "MmsHeader",
   "CancelStatusValue",
   "ContentClassValue",
   "ContentLocationValue",
   "ElementDescriptorValue",
   "Parameter",
   "EncodedStringValue",
   "ExpiryValue",
   "FromValue",
   "PreviouslySentByValue",
   "PreviouslySentDateValue",
   "MessageClassValue",
   "MessageTypeValue",
   "MmFlagsValue",
   "MmStateValue",
   "PriorityValue",
   "ReadStatusValue",
   "RecommendedRetrievalModeValue",
   "ReplyChargingValue",
   "ResponseText",
   "RetrieveStatusValue",
   "SenderVisibilityValue",
   "StatusValue",
   // Parser
   "PduHelper",
 ]);

The Tor Browser / annotate

dom/mobilemessage/src/gonk/MmsPduHelper.jsm@6474c204b198 (annotated)

dom/mobilemessage/src/gonk/MmsPduHelper.jsm