From: Antonio Ospite Date: Sat, 10 Dec 2011 00:14:20 +0000 (+0100) Subject: Add a processURL hook X-Git-Tag: 0.3~8 X-Git-Url: https://git.ao2.it/GM_direct_download_links.git/commitdiff_plain/4b6c78612d879d049dc2233db870018fb133acaf?ds=sidebyside Add a processURL hook This is useful when the URL from _get_URL() is the URL of some middle resource, like an ASX file, providing the actual URL of the content we want to Direct Link. Signed-off-by: Antonio Ospite --- diff --git a/direct_download_links.user.js b/direct_download_links.user.js index 418b3a5..eb4175a 100644 --- a/direct_download_links.user.js +++ b/direct_download_links.user.js @@ -62,6 +62,11 @@ * 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 = [ { @@ -93,6 +98,7 @@ var supported_sites = [ urlContainer: 'Player', urlRegexp: /mediaUri=(http:\/\/[^,]*)/, onEvent: { evt: 'DOMNodeInserted', targetElement: 'object' }, + processURL: _rai_get_actual_url, linkDest: 'Player', }, ]; @@ -157,6 +163,11 @@ function _get_URL(site, element) { return; } + if (site.processURL) { + site.processURL(site, URL); + return; + } + var evt = document.createEvent('Event'); evt.initEvent('UrlFetched', true, true); evt.site = site; @@ -194,3 +205,33 @@ function DDL_log(message) { 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');; + + var evt = document.createEvent('Event'); + evt.initEvent('UrlFetched', true, true); + evt.site = site; + evt.URL = href; + document.dispatchEvent(evt); + } + } + }); + }, 0); +}