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dom/wappush/src/gonk/SlPduHelper.jsm@b8a032363ba2 (annotated)

dom/wappush/src/gonk/SlPduHelper.jsm

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0	3	* You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	"use strict";
michael@0	6
michael@0	7	const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
michael@0	8
michael@0	9	let WSP = {};
michael@0	10	Cu.import("resource://gre/modules/WspPduHelper.jsm", WSP);
michael@0	11	let WBXML = {};
michael@0	12	Cu.import("resource://gre/modules/WbxmlPduHelper.jsm", WBXML);
michael@0	13
michael@0	14	// set to true to see debug messages
michael@0	15	let DEBUG = WBXML.DEBUG_ALL | false;
michael@0	16
michael@0	17	/**
michael@0	18	* Public identifier for SL
michael@0	19	*
michael@0	20	* @see http://technical.openmobilealliance.org/tech/omna/omna-wbxml-public-docid.aspx
michael@0	21	*/
michael@0	22	const PUBLIC_IDENTIFIER_SL = "-//WAPFORUM//DTD SL 1.0//EN";
michael@0	23
michael@0	24	this.PduHelper = {
michael@0	25
michael@0	26	/**
michael@0	27	* @param data
michael@0	28	* A wrapped object containing raw PDU data.
michael@0	29	* @param contentType
michael@0	30	* Content type of incoming SL message, should be "text/vnd.wap.sl" or
michael@0	31	* "application/vnd.wap.slc".
michael@0	32	*
michael@0	33	* @return A message object containing attribute content and contentType.
michael@0	34	* |content| will contain string of decoded SL message if successfully
michael@0	35	* decoded, or raw data if failed.
michael@0	36	* |contentType| will be string representing corresponding type of
michael@0	37	* content.
michael@0	38	*/
michael@0	39	parse: function parse_sl(data, contentType) {
michael@0	40	// We only need content and contentType
michael@0	41	let msg = {
michael@0	42	contentType: contentType
michael@0	43	};
michael@0	44
michael@0	45	/**
michael@0	46	* Message is compressed by WBXML, decode into string.
michael@0	47	*
michael@0	48	* @see WAP-192-WBXML-20010725-A
michael@0	49	*/
michael@0	50	if (contentType === "application/vnd.wap.slc") {
michael@0	51	let appToken = {
michael@0	52	publicId: PUBLIC_IDENTIFIER_SL,
michael@0	53	tagTokenList: SL_TAG_FIELDS,
michael@0	54	attrTokenList: SL_ATTRIBUTE_FIELDS,
michael@0	55	valueTokenList: SL_VALUE_FIELDS,
michael@0	56	globalTokenOverride: null
michael@0	57	}
michael@0	58
michael@0	59	try {
michael@0	60	let parseResult = WBXML.PduHelper.parse(data, appToken);
michael@0	61	msg.content = parseResult.content;
michael@0	62	msg.contentType = "text/vnd.wap.sl";
michael@0	63	} catch (e) {
michael@0	64	// Provide raw data if we failed to parse.
michael@0	65	msg.content = data.array;
michael@0	66	}
michael@0	67
michael@0	68	return msg;
michael@0	69	}
michael@0	70
michael@0	71	/**
michael@0	72	* Message is plain text, transform raw to string.
michael@0	73	*/
michael@0	74	try {
michael@0	75	let stringData = WSP.Octet.decodeMultiple(data, data.array.length);
michael@0	76	msg.content = WSP.PduHelper.decodeStringContent(stringData, "UTF-8");
michael@0	77	} catch (e) {
michael@0	78	// Provide raw data if we failed to parse.
michael@0	79	msg.content = data.array;
michael@0	80	}
michael@0	81	return msg;
michael@0	82
michael@0	83	}
michael@0	84	};
michael@0	85
michael@0	86	/**
michael@0	87	* Tag tokens
michael@0	88	*
michael@0	89	* @see WAP-168-SERVICELOAD-20010731-A, clause 9.3.1
michael@0	90	*/
michael@0	91	const SL_TAG_FIELDS = (function () {
michael@0	92	let names = {};
michael@0	93	function add(name, codepage, number) {
michael@0	94	let entry = {
michael@0	95	name: name,
michael@0	96	number: number,
michael@0	97	};
michael@0	98	if (!names[codepage]) {
michael@0	99	names[codepage] = {};
michael@0	100	}
michael@0	101	names[codepage][number] = entry;
michael@0	102	}
michael@0	103
michael@0	104	add("sl", 0, 0x05);
michael@0	105
michael@0	106	return names;
michael@0	107	})();
michael@0	108
michael@0	109	/**
michael@0	110	* Attribute Tokens
michael@0	111	*
michael@0	112	* @see WAP-168-SERVICELOAD-20010731-A, clause 9.3.2
michael@0	113	*/
michael@0	114	const SL_ATTRIBUTE_FIELDS = (function () {
michael@0	115	let names = {};
michael@0	116	function add(name, value, codepage, number) {
michael@0	117	let entry = {
michael@0	118	name: name,
michael@0	119	value: value,
michael@0	120	number: number,
michael@0	121	};
michael@0	122	if (!names[codepage]) {
michael@0	123	names[codepage] = {};
michael@0	124	}
michael@0	125	names[codepage][number] = entry;
michael@0	126	}
michael@0	127
michael@0	128	add("action", "execute-low", 0, 0x05);
michael@0	129	add("action", "execute-high", 0, 0x06);
michael@0	130	add("action", "cache", 0, 0x07);
michael@0	131	add("href", "", 0, 0x08);
michael@0	132	add("href", "http://", 0, 0x09);
michael@0	133	add("href", "http://www.", 0, 0x0A);
michael@0	134	add("href", "https://", 0, 0x0B);
michael@0	135	add("href", "https://www.", 0, 0x0C);
michael@0	136
michael@0	137	return names;
michael@0	138	})();
michael@0	139
michael@0	140	const SL_VALUE_FIELDS = (function () {
michael@0	141	let names = {};
michael@0	142	function add(value, codepage, number) {
michael@0	143	let entry = {
michael@0	144	value: value,
michael@0	145	number: number,
michael@0	146	};
michael@0	147	if (!names[codepage]) {
michael@0	148	names[codepage] = {};
michael@0	149	}
michael@0	150	names[codepage][number] = entry;
michael@0	151	}
michael@0	152
michael@0	153	add(".com/", 0, 0x85);
michael@0	154	add(".edu/", 0, 0x86);
michael@0	155	add(".net/", 0, 0x87);
michael@0	156	add(".org/", 0, 0x88);
michael@0	157
michael@0	158	return names;
michael@0	159	})();
michael@0	160
michael@0	161	this.EXPORTED_SYMBOLS = [
michael@0	162	// Parser
michael@0	163	"PduHelper",
michael@0	164	];