// ==UserScript==
// @name         TUM eAccess Redirector
// @name:de      TUM eAccess Redirector
// @version      0.2.2.9
// @description  Automatically redirect to the proxified equivalent as provided by the libary of the Technische Universitaet Muenchen via the eAccess-System. TUM credentials required.
// @description:de   Userscript, dass auf einigen Seiten, mit denen die Universitätsbiblothek der Technischen Universität München kooperiert, die eAccess-Version aufruft.
// @author       zsewa
// @namespace https://greasyfork.org/users/57483

// @match *://opac.ub.tum.de/InfoGuideClient.tumsis/*
// @match *://bvb-new-primo.hosted.exlibrisgroup.com/primo_library/libweb/action/search.do*vid=49BVB_TUM01_VU1*
// @match *://bvb-new-primo.hosted.exlibrisgroup.com/primo_library/libweb/action/dlSearch.do*vid=49BVB_TUM01_VU1*
// @match *://mediatum.ub.tum.de/*
// @match *://sfx.bib-bvb.de/*
// @match *://ezb.uni-regensburg.de/ezeit/*bibid=TUM*
// @match *://ezb.uni-regensburg.de/index.phtml*bibid=TUM*
// @match *://rzblx1.uni-regensburg.de/ezeit/ezb.phtml*bibid=TUM*
// @match *://rzblx10.uni-regensburg.de/dbinfo/*
// @match *://dbis.uni-regensburg.de/dbinfo/dbliste.php*bibid=TUM*

// @match *://science.sciencemag.org/*
// @match *://www.sciencedirect.com/*
// @match *://www.nature.com/*

// @match *://*.thieme-connect.de/*
// @match *://link.springer.com/*
// @match *://springer.com/*

// @match *://apps.webofknowledge.com/*
// @match *://www.emeraldinsight.com/*
// @match *://www.degruyter.com/*
// @match *://ieeexplore.ieee.org/*
// @match *://onlinelibrary.wiley.com/*
// @match *://www.worldscientific.com/*
// @match *://ebooks.worldscinet.com/*
// @match *://*.ncbi.nlm.nih.gov/*
// @match *://*.tandfonline.com/*
// @match *://*.biochemj.org/*
// @match *://*.aappublications.org/*
// @match *://*.ovid.com/*
// @match *://*.scopus.com/*
// @match *://*.annualreviews.org/*
// @match *://*.thiemebilddatenbankanatomie.de/*
// @match *://*.jove.com/*
// @match *://*.jstor.org/*
// @match *://app.knovel.com/*
// @match *://tecfinder.wti.frankfurt.de/*
// @match *://*.gbv.de/*
// @match *://roempp.thieme.de/*
// @match *://*.cas.org/*
// @match *://stneasy.fiz-karlsruhe.de/*
// @match *://*.umwelt-online.de/*

// @match *://*.acs.org/*
// @match *://*.rsc.org/*
// @match *://*.gbv.de/*
// @match *://*.reaxys.com/*

// @match *://*.aacrjournals.org/*
// @match *://*.bmj.com/*
// @match *://www.hematologylibrary.org/*
// @match *://www.karger.com/*
// @match *://web.b.ebscohost.com/*
// @match *://search.ebscohost.com/*
// @match *://*.agu-hochschulen.de/*
// @match *://elibrary.asabe.org/*

// @match *://www.hanser-elibrary.com/*


// @match *://global.factiva.com/
// @match *://www.video2brain.com/*

// @grant			GM_setValue
// @grant			GM_getValue
// @downloadURL none
// ==/UserScript==

/*
not working (externam permitted):
UPTODATE ://www.uptodate.com/
Chemical abstracts http://webcsd.ccdc.cam.ac.uk
DIN-Normen ://tum.eresearchcenter.eu
Emerald http://www.emeraldgrouppublishing.com

not working:
InCites ThomasReuthers // @match *://*.incites.thomsonreuters.com/*
*/

function set_usermode(value){
    GM_setValue('eAccess_reloader_mode', value);
}

(function() {
    'use strict';
    //modes:
    //0: Default = Silent, redirect without showing a html page
    //1: Confirmation, ask always before reload
    //2: HTML page mode, show a redirect page; may cause problems with history
    //set_usermode(0); //decomment and load some page with redirection
    var usemode = GM_getValue('eAccess_reloader_mode', 0);
    var html = '<center><img src="http://www.ub.tum.de/files/eacessbutton.jpg" height="40" width="40"></div><br><br>Resource is reloaded via TUM eAccess...<br><br>You are redirected form '+window.location.hostname+' to the fitting resource in the TUM eAccess system. Login may be required.<br><br>To change the behavior of this userscript open it in your Tapermonkey or Greasemonkey extention. You can specify a mode there.<br><br><br><br><br><br>Thanks for using TUM eAccess Redirector.</center>';
    switch(usemode) {
        case 1:
            //confirmation mode
            if (window.confirm("Redirect to TUM eAccess?")){void(window.document.location.replace('https://eaccess.ub.tum.de/login?url='+location.href));}
            break;
        case 2:
            //html page mode
            document.write(html);
            void(location.href='https://eaccess.ub.tum.de/login?url='+location.href); //default way to reload via eacess
            break;
        default:
            //default mode - silent
            void(window.document.location.replace('https://eaccess.ub.tum.de/login?url='+location.href));
    }
})();