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Rai.tv native video player and direct links

This script allows you to watch and download videos on Rai.tv.

当前为 2015-03-23 提交的版本，查看 最新版本。

// ==UserScript==
// @name        Rai.tv native video player and direct links
// @namespace   http://andrealazzarotto.com
// @description This script allows you to watch and download videos on Rai.tv.
// @include     http://www*.rai.*/dl/RaiTV/programmi/media/*
// @include     http://www*.rai.*/dl/RaiTV/tematiche/*
// @include     http://www*.rai.*/dl/*PublishingBlock-*
// @include     http://www*.rai.*/dl/replaytv/replaytv.html*
// @exclude     http://www*.rai.*/dl/RaiTV/dirette/*
// @include     http://*.rai.it/*
// @include     http://www.rainews.it/dl/rainews/*
// @version     8.7
// @require     http://code.jquery.com/jquery-latest.min.js
// @grant       GM_xmlhttpRequest
// @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// ==/UserScript==

var MP4isOk = document.createElement('video').canPlayType('video/mp4');

function playerElement() {
	var selectors = [
		"div.Player",
		"div#Player",
		"div#idPlayer",
		"embed#Player",
		"div.videoContainer:has(iframe)",
		"div.player-video"
	];
	
	for (var k in selectors) {
		var PL = $(selectors[k]).get(0);
		if(PL)
			return $( PL );
	}
	
	return null;
}

// Return a carefully handcrafted MP4 URL from a "bad" URL
function cutAndSew(url, quality, ending) {
	var r = "_[^_]*" + ending + ".*";
	var reg = new RegExp(r, "");
	var base = "http://creativemedia1.rai.it/podcastmhp";
	var piece = url.replace(/.*podcastmhp/, "")
				.replace(reg, "");
	return base + piece + "_" + quality + ".mp4";
}

function appendMsg(text) {
	$("#direct-link").after("<div id='subcontent'>" + text + "</div>");
	var w = playerElement().width();
	$("#subcontent").css({
		"padding": "5px",
		"color": "white",
		"text-shadow": "0 1px 2px black",
		"background": "rgba(0,0,0,0.4)",
		"float": "left",
		"width": (w*0.9) + "px",
		"margin-left": (w*0.05) + "px"
	});
}

function placeHolder(url, kind, PL) {
	if(!PL) {
		PL = playerElement();
	}
	
	$("#direct-link").remove();
	PL.after("<div id='direct-link' />");
	var wi = PL.width();
	var w = wi*0.6;
	var m = wi*0.2;
	// some styling
	$("#direct-link")
		.css({
			'padding': '5px',
			'margin': '10px 0 10px '+m+'px',
			'width': w+'px',
			'border': '1px solid #888',
			'text-align': 'center',
			'box-shadow': '0px 5px 15px 0px rgba(0, 0, 0, .7)',
			'background-color': '#cfc',
			'float': 'left'
		});
	if ((PL).hasClass("videoContainer")) {
		$("#direct-link")
		.css({
			'margin-left': 'auto',
			'margin-right': 'auto',
			'float': 'none',
			'clear': 'both'
		});
		PL.css('overflow', 'auto');
	}
	// place the link
	$("#direct-link")
		.append('<a href="'+url+'">' + kind + " Direct Link</a>");
	$("#direct-link a")
		.css({
			'font-size': '13px',
			'font-weight': 'normal',
			'color': 'black'
		});
	
	// fix the position of the link
	var parent = $("#direct-link").parent();
	var min = PL.prev().height() + PL.height() + parseInt(PL.css("margin-top")) +
		parseInt(PL.css("margin-bottom")) + $("#direct-link").height();
	if (parent.height() < min) {
		parent.height(min + 32).css("position", "relative")
			.css("clear", "both");
		$("#direct-link").css("position","absolute").css("left", 0)
			.css("bottom", parseInt(parent.css("padding-bottom"))*0.4);
	}
}

function setUP(url, kind, title) {
	if(kind.toLowerCase().indexOf("smooth") != -1 ||
			kind.toLowerCase().indexOf("csm") != -1)
		return;
	
	// fix spaces
	url = url.split(' ').join('%20');

	placeHolder(url, kind);
	// place the video
	var PL = playerElement();
	var w = PL.width();
	var h = PL.height();
	PL.empty();
	var tag = '<embed type="application/x-mplayer2" autoplay="true"';
	if(kind == "MP4" && MP4isOk)
		tag = "<video controls autoplay";
	PL.append(tag + ' id="Player" style="width: ' +
			w + 'px; height: ' + h + 'px"' +
			'src="' + url + '">');
	// kill the flash player, if any
	setTimeout(function() {
		if(unsafeWindow.player) {
			unsafeWindow.player.pause();
		}
		else {
			setTimeout(arguments.callee, 400);
		}
	}, 400);

}

function decide(videoURL, videoURL_MP4, estensioneVideo) {
	if (videoURL_MP4) {
		// handle the relinker server-side
		GM_xmlhttpRequest({
			method: 'GET',
			url: 'http://video.lazza.dk/rai/?r=' + encodeURIComponent(videoURL_MP4),
			onload: function(responseDetails) {
				var r = responseDetails.responseText;
				if (r.length > 0)
					setUP(r, "MP4");
			}
		});
	}
	else if (videoURL) {
		// handle the relinker server-side
		GM_xmlhttpRequest({
			method: 'GET',
			url: 'http://video.lazza.dk/rai/?r=' + encodeURIComponent(videoURL),
			onload: function(responseDetails) {
				var r = responseDetails.responseText;
				if (r.substr(r.length - 4).substr(0,1) == '.')
					estensioneVideo = r.substr(r.length - 3).toUpperCase();
				if(r.toLowerCase().indexOf("mms") === 0)
					setUP(r, "MMS Stream");
				else
					if(r.length > 0)
						setUP(r, estensioneVideo);
			}
		});
	} // end if (videoURL)
}

function parseQuery(hash) {
	var result = {};
	var parts = hash.split("&");
	for(var i = 0; i<parts.length; i++) {
		var pair = parts[i].split("=");
		result[pair[0]] = pair[1];
	}
	return result;
}

function purifyTitle(title) {
	return title.replace(/[^A-Za-z0-9]/gi," ").trim().replace(/\ +/gi,"_");
}

function setUpFromURL(url) {
	// get the original page content
	GM_xmlhttpRequest({
		method: 'GET',
		url: url,
		onload: function(responseDetails) {
			var r = responseDetails.responseText;
			// kill script tags to avoid execution (and errors!)
			r = r.replace(new RegExp('script', 'g'), 'dummy');
			r = $('<div></div>').append(r);
			
			var data = $(r).find("div#silverlightControlHost dummy").text();
			
			// set the correct variables
			var videoURL = data.match(/videoURL = ["'](.*?)["']/)[1];
			var videoURL_MP4 = data.match(/videoURL_MP4 = ["'](.*?)["']/)[1];
			var estensioneVideo = data.match(/estensioneVideo = ["'](.*?)["']/)[1];
			
			decide(videoURL, videoURL_MP4, estensioneVideo);
		}
	});
}

$(document).ready(function(){

	unsafeWindow.refreshByJS = false;
	
	var isReplay = !!$("script[src*='/replaytv.js']").length;
	var isTematiche = window.location.href.indexOf("tematiche") > 0;
	var isPublishingBlock = window.location.href.indexOf("PublishingBlock") > 0;
	
	var frames = $("iframe[src*='/dl/objects/embed.html'], iframe[src*='/dl/ray/']");

	if(!isTematiche && !isReplay &&
		(unsafeWindow.videoURL || unsafeWindow.videoURL_MP4)) {

		var videoURL = $("meta[name=videourl]").attr("content");
		if(!videoURL)
			videoURL = unsafeWindow.videoURL;
		var videoURL_MP4 = $("meta[name=videourl_h264]").attr("content");
		if(!videoURL_MP4)
			videoURL_MP4 = unsafeWindow.videoURL_MP4;
		if(!videoURL_MP4)
			videoURL_MP4 = $("meta[name=videourl_mp4]").attr("content");
		var estensioneVideo = unsafeWindow.estensioneVideo;
		if(estensioneVideo)
			estensioneVideo = estensioneVideo.toUpperCase();
		else
			estensioneVideo = "Unknown";
		if(unsafeWindow.MediaItem.type == 'WMV')
			// avoid bug when estensioneVideo = CSM and MediaItem.type = WMV
			estensioneVideo = "WMV";
		
		decide(videoURL, videoURL_MP4, estensioneVideo);

	} // end Rai.tv "standard"
	else if(frames.length) {
		var url = frames.attr("src");
		url = "http://www.rai.tv" + url.replace(/.*embed.html\?/, "");
		setUpFromURL(url);
	}

	// end iframes
	
	else if($("script:contains('draw')").length > 0 ||
			$("div.infoVideo").length > 0) {
		var videoURL = $("script:contains('draw')").text().split("'")[1];
		if(videoURL !== null && videoURL.indexOf("relinker") > 0) {
			GM_xmlhttpRequest({
				method: 'GET',
				url: videoURL,
				headers: {
					'Accept': 'application/atom+xml,application/xml,text/xml'
				},
				onload: function(responseDetails) {
					var r = responseDetails.responseText;
					var doc = $.parseXML(r);
					var $xml = $( doc );
					
					var url = $xml.find("REF").attr("HREF");
					url = url.replace("http://", "mms://");
					
					setUP(url, "MMS Stream");
				}
			});
		}
		else if(videoURL !== null && videoURL.indexOf(".html") > 0) {
			setUpFromURL(videoURL);
		}
		else { // last try
			var PL = playerElement();
			var initParams = PL.find("param[name=initParams]").attr("value");
			if (initParams.indexOf("mediaUri") != -1) {
				var url = initParams.split("mediaUri=")[1].split(",")[0];
				decide(url, null, null); // decide will find the type
			}
		}
	} // end pages like report.rai.it
	
	// ========================================
	
	else if((isPublishingBlock || isTematiche) && !isReplay) {
	
		setInterval(function() {
			if(!playerElement())
				return;
			document.HprevId = document.Hid;
			document.Hid = $("div.Player").attr("data-id");
			if(!document.Hid)
				try {
					document.Hid = $("div.player-video iframe").attr("src").split("media/")[1].split(".html")[0];
				}
				catch(e) {}
			
			// remove video list click events to allow opening of "real" pages
			// if not on "tematiche"
			if(window.location.href.indexOf("tematiche") < 0)
				$(".listaVideo a").unbind("click");
			if(document.Hid && (document.Hid != document.HprevId)) {
				var completeURL = "http://www.rai.tv/dl/RaiTV/" +
					"programmi/media/" + document.Hid + ".html";
				setUpFromURL(completeURL);
			}
		}, 400);
	
	} // end Tematiche
	
	// ========================================
	
	else if(isReplay) {
		$(window).bind('hashchange', function(){
			var hash = window.location.hash.slice(1);
			var hashdata = parseQuery(hash);
			
			$("#direct-link + #subcontent").remove();
			$("#direct-link").remove();

			var isvideo = hashdata.v;
			document.TheVideoNow = hashdata.v;
			if(isvideo && document.TheVideoNow != document.TheVideoBefore) {
				var dataURL = "http://video.lazza.dk/rai/?i=" + hashdata.v;

				GM_xmlhttpRequest({
					method: 'GET',
					url: dataURL,
					onload: function(responseDetails) {
						var r = responseDetails.responseText;
						if(r.length > 0)
							setUP(r, "MP4");
					}
				});
				document.TheVideoBefore = document.TheVideoNow;
			}
		});
		$(window).trigger( 'hashchange' );
	} // end Rai Replay

	// handle RTMP based flash objects on Rai.it
	$("object").not("object object").each(function() {
		var o = $(this);
		var flashvars = o.find("param[name=flashvars]").attr("value");
		if(!flashvars)
			flashvars = o.find("embed").attr("flashvars");
		if(!flashvars)
			flashvars = "";
		var path = flashvars.replace(/.*percorso[^=]*=/gi, "")
				.replace(/&.*/gi, "").replace(/\?.*/gi, "");
		if(path.toLowerCase().indexOf("rtmp")!=-1) {
			var url = path.replace('mp4:','').replace('rtmp','http')
						.replace('.mp4','') + '.mp4';
			placeHolder(url, "MP4", o);
		}
	});
	// end code for flash videos
	
	// handle new pages with "video" tags
	// (maybe the above code will be removed in future releases...)
	var pj;
	try {
		pj = unsafeWindow.projekktor();
	}
	catch (e) {
		pj = false;
	}
	if(pj) {
		var files = pj.media;
		var src = files[files.length - 1].file[0].src;
		var el = $('div.projekktor');
		placeHolder(src, 'MP4', el);
		el.parent().css('background', 'transparent');
	}
	// end new pages

}); // end document.ready

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