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jeeger/AlternativeDoiResolver.js

Last active November 13, 2020 09:41
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Revisions

  1. jeeger revised this gist Nov 13, 2020. 1 changed file with 70 additions and 37 deletions.
    107 changes: 70 additions & 37 deletions AlternativeDoiResolver.js
    View file
    Original file line number Diff line number Diff line change
    @@ -1,50 +1,83 @@
    // ==UserScript==
    // @name AlternativeDoiResolver
    // @version 1
    // @grant none
    // @grant GM.xmlHttpRequest
    // @description Converts the pretty useless DOI links to clickable links ot a custom resolver.
    // @include *sciencedirect*
    // @include *springer*
    // @include *ieeexplore*
    // @include *acm.org*
    // @require https://code.jquery.com/jquery-3.5.1.min.js
    // ==/UserScript==

    // Modify if the resolver URL changes again.
    var resolver_url = "https://resolver.tw/";
    var css = 'a.faded_out { opacity: 0; transition: none; } a.faded_in {opacity: 1; transition: 2s opacity;}';
    var style = document.createElement('style');
    style.type = 'text/css';
    style.appendChild(document.createTextNode(css));
    document.head.appendChild(style);
    jQuery('head').append('<style type="text/css">a.doilink { background-color: rgba(245, 132, 66, 0.5); border-radius: 0.5em; padding: 0.3em; margin: 0.8em; font-weight: bold; display: block; }</style>');

    function updateLink() {
    // Using XPath
    // Allows us to get span or a results.
    var result = document.evaluate('//*[(self::span or self::a) and (starts-with(text(),"https://doi") or starts-with(@href, "https://doi"))]',
    document,
    null,
    XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
    null);
    console.log("Found " + result.snapshotLength + " results.");
    for (var i = 0; i < result.snapshotLength; i++) {
    var node = result.snapshotItem(i);
    var newlink = document.createElement("a");
    var url;
    if (node.tagName == "A") {
    // Take href of node
    url = new URL(node.href);
    } else if (node.tagName == "SPAN") {
    url = new URL(node.innerHTML);
    } else {
    console.log("Unknown element type " + node.tagName);
    return;
    }
    newlink.href = resolver_url + "https://doi.org" + url.pathname;
    newlink.innerHTML = "Resolve it!";
    newlink.className = 'faded_out';
    newlink.style = "margin: 0.8em; font-weight: bold;";
    node.parentNode.insertBefore(newlink, node.nextSibling);
    setTimeout(function() {document.querySelector('a.faded_out').className = 'faded_in';}, 500);

    function getUrl() {
    GM.xmlHttpRequest({
    method: "GET",
    url: "https://sci-hub.now.sh",
    onload: function(response) {
    console.debug("Got response from sci-hub dispatcher.");
    var urls = $(response.responseText).find(".biglink").map((index, elem) => new URL($(elem).attr('href')));
    do_resolve(urls);
    },
    onerror: function(errsponse) {
    console.error("Failed to access sci-hub dispatcher, error ${errsponse.statusText}. Using default value.");
    do_resolve([new URL("http://sci-hub.tw/")]);
    }
    })
    }

    function do_resolve(resolver_urls) {

    function updateLink() {
    // Using XPath
    // Allows us to get span or a results.
    var result = document.evaluate('//*[(self::span or self::a) and (starts-with(text(),"https://doi") or starts-with(@href, "https://doi"))]',
    document,
    null,
    XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
    null);
    console.debug("Found " + result.snapshotLength + " results.");
    if (result.snapshotLength == 0) {
    console.warn("No links found, retrying in a second.");
    setTimeout(updateLink, 1000);
    return;
    }
    for (var i = 0; i < result.snapshotLength; i++) {
    var node = result.snapshotItem(i);

    var newlink = document.createElement("a");
    var url;
    if (node.tagName == "A") {
    // Take href of node
    url = new URL(node.href);
    } else if (node.tagName == "SPAN") {
    url = new URL(node.innerHTML);
    } else {
    console.error("Unknown element type " + node.tagName);
    return;
    };
    console.log(resolver_urls);
    var fragment = jQuery('<p></p>').insertAfter(node);
    $(resolver_urls).each((index, resolver_url) => {
    console.log(resolver_url);
    var final_url = new URL(resolver_url);
    if (final_url.pathname.endsWith('/')) {
    console.log("Final url pathname: " + final_url.pathname);
    final_url.pathname = final_url.pathname.slice(0, -1) + url.pathname;
    } else {
    final_url.pathname = final_url.pathname + url.pathname;
    }
    jQuery('<a href="' + final_url.href + '" class="doilink">' + resolver_url + '</a>').appendTo(fragment);
    });
    fragment.hide().insertAfter(node).fadeIn(1000);
    };
    }

    console.log("Setting update timeout.");
    setTimeout(updateLink, 1000);
    }

    setTimeout(updateLink, 5000);
    jQuery(getUrl);
  2. jeeger revised this gist May 22, 2018. 1 changed file with 11 additions and 3 deletions.
    14 changes: 11 additions & 3 deletions AlternativeDoiResolver.js
    View file
    Original file line number Diff line number Diff line change
    @@ -9,7 +9,12 @@
    // ==/UserScript==

    // Modify if the resolver URL changes again.
    var resolver_url = "resolver.la";
    var resolver_url = "https://resolver.tw/";
    var css = 'a.faded_out { opacity: 0; transition: none; } a.faded_in {opacity: 1; transition: 2s opacity;}';
    var style = document.createElement('style');
    style.type = 'text/css';
    style.appendChild(document.createTextNode(css));
    document.head.appendChild(style);

    function updateLink() {
    // Using XPath
    @@ -35,8 +40,11 @@ function updateLink() {
    }
    newlink.href = resolver_url + "https://doi.org" + url.pathname;
    newlink.innerHTML = "Resolve it!";
    node.parentNode.insertBefore(newlink, node);
    newlink.className = 'faded_out';
    newlink.style = "margin: 0.8em; font-weight: bold;";
    node.parentNode.insertBefore(newlink, node.nextSibling);
    setTimeout(function() {document.querySelector('a.faded_out').className = 'faded_in';}, 500);
    }
    }

    setTimeout(updateLink, 10000);
    setTimeout(updateLink, 5000);
  3. jeeger revised this gist Mar 1, 2018. 1 changed file with 7 additions and 2 deletions.
    9 changes: 7 additions & 2 deletions AlternativeDoiResolver.js
    View file
    Original file line number Diff line number Diff line change
    @@ -5,15 +5,20 @@
    // @description Converts the pretty useless DOI links to clickable links ot a custom resolver.
    // @include *sciencedirect*
    // @include *springer*
    // @include *ieeexplore*
    // ==/UserScript==

    // Modify if the resolver URL changes again.
    var resolver_url = "your_resolver_here.la";
    var resolver_url = "resolver.la";

    function updateLink() {
    // Using XPath
    // Allows us to get span or a results.
    var result = document.evaluate('//*[(self::span or self::a) and starts-with(text(),"https://doi")]', document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null)
    var result = document.evaluate('//*[(self::span or self::a) and (starts-with(text(),"https://doi") or starts-with(@href, "https://doi"))]',
    document,
    null,
    XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
    null);
    console.log("Found " + result.snapshotLength + " results.");
    for (var i = 0; i < result.snapshotLength; i++) {
    var node = result.snapshotItem(i);
  4. jeeger created this gist Feb 28, 2018.
    37 changes: 37 additions & 0 deletions AlternativeDoiResolver.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,37 @@
    // ==UserScript==
    // @name AlternativeDoiResolver
    // @version 1
    // @grant none
    // @description Converts the pretty useless DOI links to clickable links ot a custom resolver.
    // @include *sciencedirect*
    // @include *springer*
    // ==/UserScript==

    // Modify if the resolver URL changes again.
    var resolver_url = "your_resolver_here.la";

    function updateLink() {
    // Using XPath
    // Allows us to get span or a results.
    var result = document.evaluate('//*[(self::span or self::a) and starts-with(text(),"https://doi")]', document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null)
    console.log("Found " + result.snapshotLength + " results.");
    for (var i = 0; i < result.snapshotLength; i++) {
    var node = result.snapshotItem(i);
    var newlink = document.createElement("a");
    var url;
    if (node.tagName == "A") {
    // Take href of node
    url = new URL(node.href);
    } else if (node.tagName == "SPAN") {
    url = new URL(node.innerHTML);
    } else {
    console.log("Unknown element type " + node.tagName);
    return;
    }
    newlink.href = resolver_url + "https://doi.org" + url.pathname;
    newlink.innerHTML = "Resolve it!";
    node.parentNode.insertBefore(newlink, node);
    }
    }

    setTimeout(updateLink, 10000);