X-Git-Url: https://git.ao2.it/GM_direct_download_links.git/blobdiff_plain/d1f8e38cdc7a277526cfa1465d934ef279a89760..5acbbffe01cfc5d603dbfc5177b092a879286a75:/direct_download_links.user.js diff --git a/direct_download_links.user.js b/direct_download_links.user.js index a91fb00..d430887 100644 --- a/direct_download_links.user.js +++ b/direct_download_links.user.js @@ -27,12 +27,17 @@ // @include http://tv.repubblica.it/* // @include http://trovacinema.repubblica.it/* // @include http://www.kataweb.it/tvzap/* +// @include http://www.rai.tv/* // ==/UserScript== +// +// NOTE, for rai.tv to work you need to install a script like: +// http://git.ao2.it/smooth-dl.git/blob_plain/HEAD:/scripts/SilverSpoof.user.js /* * TODO: * - find a way to use the same string as in the @include lines to match the - * current window.location + * current window.location. Look for something like GM_testUrl() which builds + * the regexp starting from a glob line. * - use xpath instead of regexp like in http://a32.me/2009/11/greasemonkey/ * - use jquery, like shown in http://a32.me/2009/11/greasemonkey/ */ @@ -48,7 +53,19 @@ * * * Optional fields: - * TODO + * onEvent: used to delay the urlRegexp matching to a certain event like + * 'DOMNodeInserted' useful when the URL is added by some javascript + * library. It has two fields: + * + * evt: the event we want to wait for (e.g. 'DOMNodeInserted') + * + * targetElement: the element in the event handler we want the + * urlRegexp is performed on. + * + * processURL: a function to process the URL before adding the Direct + * Downdload Link to the page, it must accept a 'site' and a + * 'URL' parameters and dispatch the UrlFetched to pass the + * modified URL to _add_link(). * */ var supported_sites = [ @@ -76,6 +93,14 @@ var supported_sites = [ urlRegexp: /'pcUrl', '((http|mms):\/\/[^']*)'/, linkDest: 'playerCont', }, + { + locationRegexp: /^http:\/\/www\.rai\.tv\/.*$/, + urlContainer: 'Player', + urlRegexp: /mediaUri=(http:\/\/[^,]*)/, + onEvent: { evt: 'DOMNodeInserted', targetElement: 'object' }, + processURL: _rai_get_actual_url, + linkDest: 'Player', + }, ]; /* Apply different rules to different sites */ @@ -84,10 +109,7 @@ for (i = 0; i < supported_sites.length; i++) { var result = window.location.href.match(site.locationRegexp); if (result) { - var ret = direct_download_link_add(window.location.href, site); - if (!ret) { - alert('Cannot add the link'); - } + direct_download_link_add(window.location.href, site); } } @@ -101,27 +123,66 @@ for (i = 0; i < supported_sites.length; i++) { function direct_download_link_add(pageURL, site) { var element = document.getElementById(site.urlContainer); if (!element) { - alert('DirectDL (' + site.pageURL + '): Cannot find the element ' + site.urlContainer + ' containing the URL.'); + DDL_log('DirectDL (' + site.pageURL + '): Cannot find the element ' + site.urlContainer + ' containing the URL.'); return null; } + document.addEventListener('UrlFetched', _add_link, true); + + // This is used for sites adding the URL to the DOM after DOMContentLoaded, + // for example by some javascript library (like Silverlight.js on rai.tv). + if (site.onEvent) { + element.addEventListener(site.onEvent.evt, function(e) { + if (site.onEvent.targetElement && + e.target.tagName.toLowerCase() != site.onEvent.targetElement) { + DDL_log('DirectDL (' + site.pageURL + '): skipping element ' + e.target.tagName); + return; + } + _get_URL(site, element); + }, false); + } + + _get_URL(site, element); +} + +function _get_URL(site, element) { var content = element.innerHTML; if (!content) { - alert('DirectDL (' + site.pageURL + '): content is null, cannot find URL.'); - return null; + DDL_log('DirectDL (' + site.pageURL + '): content is null, cannot find URL.'); + return; } var matches = content.match(site.urlRegexp); if (!matches || matches.length < 2 || !matches[1]) { - alert('DirectDL (' + site.pageURL + '): URL not found, check the urlRegexp'); - return null; + DDL_log('DirectDL (' + site.pageURL + '): URL not found, check the urlRegexp'); + return; } var URL = matches[1]; + if (!URL) { + DDL_log('DirectDL (' + site.pageURL + '): cannot get the URL.'); + return; + } - var links = document.getElementById(site.linkDest); - if (!links) { - alert('DirectDl (' + site.pageURL + '): Cannot add the direct download link.'); - return null; + if (site.processURL) { + site.processURL(site, URL); + return; + } + + var evt = document.createEvent('Event'); + evt.initEvent('UrlFetched', true, true); + evt.site = site; + evt.URL = URL; + document.dispatchEvent(evt); +} + +function _add_link(e) { + var site = e.site; + var URL = e.URL;; + + var destination = document.getElementById(site.linkDest); + if (!destination) { + DDL_log('DirectDl (' + site.pageURL + '): Cannot add the direct download link.'); + return; } var download_link = document.createElement('a'); @@ -133,7 +194,44 @@ function direct_download_link_add(pageURL, site) { style += ' padding: .5em; margin: 1em;' download_link.setAttribute('style', style); - links.insertBefore(download_link, links.firstChild); + destination.insertBefore(download_link, destination.firstChild); +} + +function DDL_log(message) { + var debug = false; + if (debug) { + alert(message) + } else { + GM_log(message); + } +} + +function _rai_get_actual_url(site, URL) { + // http://www.neaveru.com/wordpress/index.php/2008/05/09/greasemonkey-bug-domnodeinserted-event-doesnt-allow-gm_xmlhttprequest/ + setTimeout( function() { + GM_xmlhttpRequest({ + method: "GET", + // XXX A custom header. This is the "clever" trick Rai uses to ensure + // the content is accessed by www.rai.tv only... + headers: {'viaurl': 'www.rai.tv'}, + url: URL, + onload: function(response) { + text = response.responseText; + text = text.replace(/&/g, '&') + parser = new DOMParser(); + xmlDoc = parser.parseFromString(text, "text/xml"); + + ref = xmlDoc.getElementsByTagName('REF'); + if (ref.length > 0) { + href = ref[0].getAttribute('HREF');; - return true; + var evt = document.createEvent('Event'); + evt.initEvent('UrlFetched', true, true); + evt.site = site; + evt.URL = href; + document.dispatchEvent(evt); + } + } + }); + }, 0); }