2015-01-31 13:02:04 +01:00
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<title>JSDoc: Source: user-agent.js</title>
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<h1 class="page-title">Source: user-agent.js</h1>
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<pre class="prettyprint source linenums"><code>/**
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* Working with Bitmessage user agents.
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* @see {@link https://bitmessage.org/wiki/User_Agent}
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* @module bitmessage/user-agent
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*/
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"use strict";
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var var_str = require("./structs").var_str;
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var BM_NAME = require("../package.json").name;
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var BM_VERSION = require("../package.json").version;
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/**
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* User agent of the bitmessage library itself.
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* @constant {Object[]}
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* @static
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*/
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var SELF = exports.SELF = [{name: BM_NAME, version: BM_VERSION}];
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/**
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* Decode user agent's `var_str`. Just an alias for
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* [var_str.decode]{@link module:bitmessage/structs.var_str.decode}.
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* @function
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*/
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exports.decode = var_str.decode;
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/**
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* Parse raw user agent into software stack list. Most underlying
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* software comes first.
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* NOTE: Decoding is rather loose, it won't fail on bad user agent
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* format because it's not that important.
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* @param {string} str - Raw user agent string
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* @return {Object[]} Parsed user agent.
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*/
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exports.parse = function(str) {
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var software = [];
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if (str.length > 2 && str[0] === "/" && str[str.length - 1] === "/") {
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software = str.slice(1, -1).split("/");
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software = software.map(function(str) {
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// That's more readable than /([^:]*)(?::([^(]*)(?:\(([^)]*))?)?/
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var soft = {name: str};
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var semicolon = soft.name.indexOf(":");
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if (semicolon !== -1) {
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soft.version = soft.name.slice(semicolon + 1);
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soft.name = soft.name.slice(0, semicolon);
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var obracket = soft.version.indexOf("(");
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if (obracket !== -1) {
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soft.comments = soft.version.slice(obracket + 1);
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soft.version = soft.version.slice(0, obracket);
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var cbracket = soft.comments.indexOf(")");
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if (cbracket !== -1) {
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soft.comments = soft.comments.slice(0, cbracket);
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}
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}
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}
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return soft;
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});
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}
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return software;
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};
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/**
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* Encode user agent into `var_str` Buffer. Most underlying software
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* comes first.
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2015-02-12 11:44:15 +01:00
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* @param {(Object[]|string[]|string|Buffer)} software - List of
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* software to encode or just raw user agent string/Buffer
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2015-01-31 13:02:04 +01:00
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* @return {Buffer} Encoded user agent.
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* @function
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* @static
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*/
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var encode = exports.encode = function(software) {
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var ua;
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if (Array.isArray(software)) {
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ua = software.map(function(soft) {
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if (typeof soft === "string") {
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return soft;
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}
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var version = soft.version || "0.0.0";
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var str = soft.name + ":" + version;
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if (soft.comments) {
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str += "(" + soft.comments + ")";
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}
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return str;
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}).join("/");
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ua = "/" + ua + "/";
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2015-02-12 11:44:15 +01:00
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} else if (Buffer.isBuffer(software)) {
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return software;
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2015-01-31 13:02:04 +01:00
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} else {
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ua = software;
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}
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return var_str.encode(ua);
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};
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/**
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2015-02-24 18:23:55 +01:00
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* Encode user agent of bitmessage library.
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2015-01-31 13:02:04 +01:00
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* @return {Buffer} Encoded user agent.
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*/
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exports.encodeSelf = function() {
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return encode(SELF);
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};
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/**
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2015-02-24 18:23:55 +01:00
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* Encode user agent with user agent of bitmessage library underneath.
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2015-02-12 11:44:15 +01:00
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* Most underlying software comes first.
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2015-01-31 13:02:04 +01:00
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* @param {(Object[]|string[]|Object|string)} software - List of
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* software to encode
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* @return {Buffer} Encoded user agent.
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*/
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exports.encodeSelfWith = function(software) {
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software = SELF.concat(software);
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return encode(software);
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};
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</code></pre>
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</article>
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</section>
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</div>
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<nav>
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2015-02-28 20:57:18 +01:00
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<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-bitmessage.html">bitmessage</a></li><li><a href="module-bitmessage_address.html">bitmessage/address</a></li><li><a href="module-bitmessage_crypto.html">bitmessage/crypto</a></li><li><a href="module-bitmessage_messages.html">bitmessage/messages</a></li><li><a href="module-bitmessage_objects.html">bitmessage/objects</a></li><li><a href="module-bitmessage_pow.html">bitmessage/pow</a></li><li><a href="module-bitmessage_structs.html">bitmessage/structs</a></li><li><a href="module-bitmessage_user-agent.html">bitmessage/user-agent</a></li><li><a href="module-bitmessage_wif.html">bitmessage/wif</a></li></ul><h3>Classes</h3><ul><li><a href="module-bitmessage_address.Address.html">Address</a></li><li><a href="module-bitmessage_structs.PubkeyBitfield.html">PubkeyBitfield</a></li><li><a href="module-bitmessage_structs.ServicesBitfield.html">ServicesBitfield</a></li></ul><h3>Namespaces</h3><ul><li><a href="module-bitmessage_messages.addr.html">addr</a></li><li><a href="module-bitmessage_messages.error.html">error</a></li><li><a href="module-bitmessage_messages.getdata.html">getdata</a></li><li><a href="module-bitmessage_messages.inv.html">inv</a></li><li><a href="module-bitmessage_messages.version.html">version</a></li><li><a href="module-bitmessage_objects.broadcast.html">broadcast</a></li><li><a href="module-bitmessage_objects.getpubkey.html">getpubkey</a></li><li><a href="module-bitmessage_objects.msg.html">msg</a></li><li><a href="module-bitmessage_objects.pubkey.html">pubkey</a></li><li><a href="module-bitmessage_structs.encrypted.html">encrypted</a></li><li><a href="module-bitmessage_structs.inv_vect.html">inv_vect</a></li><li><a href="module-bitmessage_structs.message.html">message</a></li><li><a href="module-bitmessage_structs.net_addr.html">net_addr</a></li><li><a href="module-bitmessage_structs.object.html">object</a></li><li><a href="module-bitmessage_structs.var_int.html">var_int</a></li><li><a href="module-bitmessage_structs.var_int_list.html">var_int_list</a></li><li><a href="module-bitmessage_structs.var_str.html">var_str</a></li></ul>
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2015-03-16 20:33:24 +01:00
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.0-dev</a> on Mon Mar 16 2015 22:32:51 GMT+0300 (MSK)
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2015-01-31 13:02:04 +01:00
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