CasperSecurity
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var domhandler_1 = __importDefault(require("domhandler"));
var DomUtils = __importStar(require("domutils"));
var Parser_1 = require("./Parser");
//TODO: Consume data as it is coming in
var FeedHandler = /** @class */ (function (_super) {
__extends(FeedHandler, _super);
/**
*
* @param callback
* @param options
*/
function FeedHandler(callback, options) {
var _this = this;
if (typeof callback === "object" && callback !== null) {
callback = undefined;
options = callback;
}
_this = _super.call(this, callback, options) || this;
return _this;
}
FeedHandler.prototype.onend = function () {
var feed = {};
var feedRoot = getOneElement(isValidFeed, this.dom);
if (feedRoot) {
if (feedRoot.name === "feed") {
var childs = feedRoot.children;
feed.type = "atom";
addConditionally(feed, "id", "id", childs);
addConditionally(feed, "title", "title", childs);
var href = getAttribute("href", getOneElement("link", childs));
if (href) {
feed.link = href;
}
addConditionally(feed, "description", "subtitle", childs);
var updated = fetch("updated", childs);
if (updated) {
feed.updated = new Date(updated);
}
addConditionally(feed, "author", "email", childs, true);
feed.items = getElements("entry", childs).map(function (item) {
var entry = {};
var children = item.children;
addConditionally(entry, "id", "id", children);
addConditionally(entry, "title", "title", children);
var href = getAttribute("href", getOneElement("link", children));
if (href) {
entry.link = href;
}
var description = fetch("summary", children) ||
fetch("content", children);
if (description) {
entry.description = description;
}
var pubDate = fetch("updated", children);
if (pubDate) {
entry.pubDate = new Date(pubDate);
}
return entry;
});
}
else {
var childs = getOneElement("channel", feedRoot.children)
.children;
feed.type = feedRoot.name.substr(0, 3);
feed.id = "";
addConditionally(feed, "title", "title", childs);
addConditionally(feed, "link", "link", childs);
addConditionally(feed, "description", "description", childs);
var updated = fetch("lastBuildDate", childs);
if (updated) {
feed.updated = new Date(updated);
}
addConditionally(feed, "author", "managingEditor", childs, true);
feed.items = getElements("item", feedRoot.children).map(function (item) {
var entry = {};
var children = item.children;
addConditionally(entry, "id", "guid", children);
addConditionally(entry, "title", "title", children);
addConditionally(entry, "link", "link", children);
addConditionally(entry, "description", "description", children);
var pubDate = fetch("pubDate", children);
if (pubDate)
entry.pubDate = new Date(pubDate);
return entry;
});
}
}
this.feed = feed;
this.handleCallback(feedRoot ? null : Error("couldn't find root of feed"));
};
return FeedHandler;
}(domhandler_1.default));
exports.FeedHandler = FeedHandler;
function getElements(what, where) {
return DomUtils.getElementsByTagName(what, where, true);
}
function getOneElement(what, where) {
return DomUtils.getElementsByTagName(what, where, true, 1)[0];
}
function fetch(what, where, recurse) {
if (recurse === void 0) { recurse = false; }
return DomUtils.getText(DomUtils.getElementsByTagName(what, where, recurse, 1)).trim();
}
function getAttribute(name, elem) {
if (!elem) {
return null;
}
var attribs = elem.attribs;
return attribs[name];
}
function addConditionally(obj, prop, what, where, recurse) {
if (recurse === void 0) { recurse = false; }
var tmp = fetch(what, where, recurse);
// @ts-ignore
if (tmp)
obj[prop] = tmp;
}
function isValidFeed(value) {
return value === "rss" || value === "feed" || value === "rdf:RDF";
}
var defaultOptions = { xmlMode: true };
/**
* Parse a feed.
*
* @param feed The feed that should be parsed, as a string.
* @param options Optionally, options for parsing. When using this option, you probably want to set `xmlMode` to `true`.
*/
function parseFeed(feed, options) {
if (options === void 0) { options = defaultOptions; }
var handler = new FeedHandler(options);
new Parser_1.Parser(handler, options).end(feed);
return handler.feed;
}
exports.parseFeed = parseFeed;