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

dom/wappush/src/gonk/SiPduHelper.jsm@6474c204b198 (annotated)

dom/wappush/src/gonk/SiPduHelper.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);
 let WBXML = {};
 Cu.import("resource://gre/modules/WbxmlPduHelper.jsm", WBXML);
 // set to true to see debug messages
 let DEBUG = WBXML.DEBUG_ALL | false;
 /**
  * Public identifier for SI
  *
  * @see http://technical.openmobilealliance.org/tech/omna/omna-wbxml-public-docid.aspx
  */
 const PUBLIC_IDENTIFIER_SI    = "-//WAPFORUM//DTD SI 1.0//EN";
 /**
  * Parse inline date encoded in OPAQUE format.
  *
  * @param data
  *        A wrapped object containing raw PDU data.
  * @param msg
  *        Target object for decoding.
  *
  * @see WAP-167-SERVICEIND-20010731-A, clause 8.2.2
  *
  */
 this.OpaqueAsDate = {
   decode: function decode_opaque_as_date(data) {
     let size = WSP.UintVar.decode(data);
     let dateBuf = [0, 0, 0, 0, 0, 0, 0];
     // Maximum length for date is 7 bytes.
     if (size > dateBuf.length)
       size = dateBuf.length
     // Read date date, non-specified parts remain 0.
     for (let i = 0; i < size; i++) {
       dateBuf[i] = WSP.Octet.decode(data);
     }
     // Decode and return result in "YYYY-MM-DDThh:mm:ssZ" form
     let year = ((dateBuf[0] >> 4) & 0x0F) * 1000 + (dateBuf[0] & 0x0F) * 100 +
                ((dateBuf[1] >> 4) & 0x0F) * 10 + (dateBuf[1] & 0x0F);
     let month = ((dateBuf[2] >> 4) & 0x0F) * 10 + (dateBuf[2] & 0x0F);
     let date = ((dateBuf[3] >> 4) & 0x0F) * 10 + (dateBuf[3] & 0x0F);
     let hour = ((dateBuf[4] >> 4) & 0x0F) * 10 + (dateBuf[4] & 0x0F);
     let minute = ((dateBuf[5] >> 4) & 0x0F) * 10 + (dateBuf[5] & 0x0F);
     let second = ((dateBuf[6] >> 4) & 0x0F) * 10 + (dateBuf[6] & 0x0F);
     let dateValue = new Date(Date.UTC(year, month - 1, date, hour, minute, second));
     return dateValue.toISOString().replace(".000", "");
   },
 };
 this.PduHelper = {
   /**
    * @param data
    *        A wrapped object containing raw PDU data.
    * @param contentType
    *        Content type of incoming SI message, should be "text/vnd.wap.si" or
    *        "application/vnd.wap.sic".
    *
    * @return A message object containing attribute content and contentType.
    *         |content| will contain string of decoded SI message if successfully
    *         decoded, or raw data if failed.
    *         |contentType| will be string representing corresponding type of
    *         content.
    */
   parse: function parse_si(data, contentType) {
     // We only need content and contentType
     let msg = {
       contentType: contentType
     };
     /**
      * Message is compressed by WBXML, decode into string.
      *
      * @see WAP-192-WBXML-20010725-A
      */
     if (contentType === "application/vnd.wap.sic") {
       let globalTokenOverride = {};
       globalTokenOverride[0xC3] = {
         number: 0xC3,
         coder: OpaqueAsDate
       };
       let appToken = {
         publicId: PUBLIC_IDENTIFIER_SI,
         tagTokenList: SI_TAG_FIELDS,
         attrTokenList: SI_ATTRIBUTE_FIELDS,
         valueTokenList: SI_VALUE_FIELDS,
         globalTokenOverride: globalTokenOverride
       }
       try {
         let parseResult = WBXML.PduHelper.parse(data, appToken);
         msg.content = parseResult.content;
         msg.contentType = "text/vnd.wap.si";
       } catch (e) {
         // Provide raw data if we failed to parse.
         msg.content = data.array;
       }
       return msg;
     }
     /**
      * Message is plain text, transform raw to string.
      */
     try {
       let stringData = WSP.Octet.decodeMultiple(data, data.array.length);
       msg.content = WSP.PduHelper.decodeStringContent(stringData, "UTF-8");
     } catch (e) {
       // Provide raw data if we failed to parse.
       msg.content = data.array;
     }
     return msg;
   }
 };
 /**
  * Tag tokens
  *
  * @see WAP-167-SERVICEIND-20010731-A, clause 8.3.1
  */
 const SI_TAG_FIELDS = (function () {
   let names = {};
   function add(name, codepage, number) {
     let entry = {
       name: name,
       number: number,
     };
     if (!names[codepage]) {
       names[codepage] = {};
     }
     names[codepage][number] = entry;
   }
   add("si",           0,  0x05);
   add("indication",   0,  0x06);
   add("info",         0,  0x07);
   add("item",         0,  0x08);
   return names;
 })();
 /**
  * Attribute Tokens
  *
  * @see WAP-167-SERVICEIND-20010731-A, clause 8.3.2
  */
 const SI_ATTRIBUTE_FIELDS = (function () {
   let names = {};
   function add(name, value, codepage, number) {
     let entry = {
       name: name,
       value: value,
       number: number,
     };
     if (!names[codepage]) {
       names[codepage] = {};
     }
     names[codepage][number] = entry;
   }
   add("action",       "signal-none",    0,  0x05);
   add("action",       "signal-low",     0,  0x06);
   add("action",       "signal-medium",  0,  0x07);
   add("action",       "signal-high",    0,  0x08);
   add("action",       "delete",         0,  0x09);
   add("created",      "",               0,  0x0A);
   add("href",         "",               0,  0x0B);
   add("href",         "http://",        0,  0x0C);
   add("href",         "http://www.",    0,  0x0D);
   add("href",         "https://",       0,  0x0E);
   add("href",         "https://www.",   0,  0x0F);
   add("si-expires",   "",               0,  0x10);
   add("si-id",        "",               0,  0x11);
   add("class",        "",               0,  0x12);
   return names;
 })();
 const SI_VALUE_FIELDS = (function () {
   let names = {};
   function add(value, codepage, number) {
     let entry = {
       value: value,
       number: number,
     };
     if (!names[codepage]) {
       names[codepage] = {};
     }
     names[codepage][number] = entry;
   }
   add(".com/",    0,    0x85);
   add(".edu/",    0,    0x86);
   add(".net/",    0,    0x87);
   add(".org/",    0,    0x88);
   return names;
 })();
 this.EXPORTED_SYMBOLS = [
   // Parser
   "PduHelper",
 ];

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dom/wappush/src/gonk/SiPduHelper.jsm@6474c204b198 (annotated)

dom/wappush/src/gonk/SiPduHelper.jsm