zotero/translators/ScienceDirect.js
Dan Stillman da0c883f45 Very quick update to ScienceDirect to restore authenticated single-page saving and PDF download after site update
Search results and guest mode will return an error with a message (in Report Errors) until this is fixed for real
2010-01-25 08:05:50 +00:00

327 lines
No EOL
11 KiB
JavaScript

{
"translatorID":"b6d0a7a-d076-48ae-b2f0-b6de28b194e",
"translatorType":4,
"label":"ScienceDirect",
"creator":"Michael Berkowitz",
"target":"https?://[^/]*science-?direct\\.com[^/]*/science(\\/article)?(\\?(?:.+\\&|)ob=(?:ArticleURL|ArticleListURL|PublicationURL))?",
"minVersion":"1.0.0b3.r1",
"maxVersion":null,
"priority":100,
"inRepository":true,
"lastUpdated":"2010-01-25 08:05:00"
}
function detectWeb(doc, url) {
if ((url.indexOf("_ob=DownloadURL") != -1) || doc.title == "ScienceDirect Login" || doc.title == "ScienceDirect - Dummy") {
return false;
}
if((!url.match("pdf") && url.indexOf("_ob=ArticleURL") == -1 && url.indexOf("/article/") == -1) || url.indexOf("/journal/") != -1) {
return "multiple";
} else if (!url.match("pdf")) {
return "journalArticle";
}
}
function doWeb(doc, url) {
var namespace = doc.documentElement.namespaceURI;
var nsResolver = namespace ? function(prefix) {
if (prefix == 'x') return namespace; else return null;
} : null;
if (doc.evaluate('//*[contains(@class, "icon_exportarticlesci_dir")]', doc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext()
|| doc.evaluate('//*[contains(@src, "exportarticle_a.gif")]', doc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext()) {
var articles = new Array();
if(detectWeb(doc, url) == "multiple") {
throw ("Multiple-item saving from ScienceDirect temporarily disabled due to a site update -- an updated Zotero translator will be available soon");
//search page
var items = new Object();
var xpath;
if (url.indexOf("_ob=PublicationURL") != -1) {
// not sure if this case still arises. may need to be fixed at some point
xpath = '//table[@class="resultRow"]/tbody/tr/td[2]/a';
} else {
xpath = '//div[@class="font3"][@id="bodyMainResults"]/table/tbody/tr/td[2]/a';
}
var rows = doc.evaluate(xpath, doc, nsResolver, XPathResult.ANY_TYPE, null);
var next_row;
while (next_row = rows.iterateNext()) {
var title = next_row.textContent;
var link = next_row.href;
if (!title.match(/PDF \(/) && !title.match(/Related Articles/)) items[link] = title;
}
items = Zotero.selectItems(items);
for (var i in items) {
articles.push(i);
}
var sets = [];
for each (article in articles) {
sets.push({article:article});
}
} else {
articles = [url];
var sets =[{currentdoc:doc}];
}
if(articles.length == 0) {
Zotero.debug('no items');
return;
}
var scrape = function(newDoc, set) {
var PDF;
var tempPDF = newDoc.evaluate('//a[contains(@class, "noul") and contains(@class, "icon_pdf")]', newDoc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext();
if (!tempPDF) { // PDF xpath failed, lets try another
// TODO: others?
//tempPDF = newDoc.evaluate('//a[@class="noul" and contains(text(), "PDF")]', newDoc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext();
if (!tempPDF) { // second PDF xpath failed set PDF to null to avoid item.attachments
PDF = null;
} else {
PDF = tempPDF.href; // second xpath succeeded, use that link
}
} else {
PDF = tempPDF.href; // first xpath succeeded, use that link
}
var url = newDoc.location.href;
var get = newDoc.evaluate('//a[contains(@class, "icon_exportarticlesci_dir")]', newDoc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().href;
// if the PDF is available make it an attachment otherwise only use snapshot.
var attachments;
if (PDF) {
attachments = [
{url:url, title:"ScienceDirect Snapshot", mimeType:"text/html"},
{url:PDF, title:"ScienceDirect Full Text PDF", mimeType:"application/pdf"} // Sometimes PDF is null...I hope that is ok
];
} else {
attachments = [
{url:url, title:"ScienceDirect Snapshot", mimeType:"text/html"}
];
}
// This does not work, not sure why.
//var doi = newDoc.evaluate('//a[contains(text(), "doi")]/text()', newDoc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext();
//Zotero.debug(doi);
//doi = doi.textContent.substr(4);
// pass these values to the next function
//set.doi = doi;
set.url = url;
set.get = get;
set.attachments = attachments;
return set;
};
var first = function(set, next) {
var article = set.article;
Zotero.Utilities.processDocuments(article, function(doc){
set = scrape(doc, set);
next();
});
};
var second = function(set, next) {
var url = set.url;
var get = set.get;
Zotero.Utilities.HTTP.doGet(get, function(text) {
var md5 = text.match(/<input type=hidden name=md5 value=([^>]+)>/)[1];
var acct = text.match(/<input type=hidden name=_acct value=([^>]+)>/)[1];
var userid = text.match(/<input type=hidden name=_userid value=([^>]+)>/)[1];
var uoikey = text.match(/<input type=hidden name=_uoikey value=([^>]+)>/)[1];
if (text.match(/<input type=hidden name=_ArticleListID value=([^>]+)>/)) {
var alid = text.match(/<input type=hidden name=_ArticleListID value=([^>]+)>/)[1];
}
if (alid) {
var docID = "_ArticleListID=" + alid + "&_uoikey=" + uoikey;
} else {
var docID = "_uoikey=" + uoikey;
}
var post = "_ob=DownloadURL&_method=finish&_acct=" + acct + "&_userid=" + userid + "&_docType=FLA&" + docID + "&md5=" + md5 + "&count=1&JAVASCRIPT_ON=Y&format=cite-abs&citation-type=RIS&Export=Export&x=26&y=17";
var baseurl = url.match(/https?:\/\/[^/]+\//)[0];
set.post = post;
set.baseurl = baseurl;
next();
});
};
var third = function(set, next) {
var baseurl = set.baseurl;
var post = set.post;
var attachments = set.attachments;
Zotero.Utilities.HTTP.doPost(baseurl + 'science', post, function(text) {
var translator = Zotero.loadTranslator("import");
translator.setTranslator("32d59d2d-b65a-4da4-b0a3-bdd3cfb979e7");
translator.setString(text);
translator.setHandler("itemDone", function(obj, item) {
item.attachments = attachments;
if(item.notes[0]) {
item.abstractNote = item.notes[0].note;
item.notes = new Array();
}
item.DOI = item.DOI.substr(10);
item.complete();
});
translator.translate();
next();
}, false, 'windows-1252');
};
if(detectWeb(doc, url) == "journalArticle") {
Zotero.debug("Single");
var set = scrape(doc, {});
second(set, function(){
third(set, function(){
Zotero.done();
});
});
} else {
var callbacks = [first, second, third];
Zotero.Utilities.processAsync(sets, callbacks, function() {Zotero.done()});
}
} else {
throw ("Guest-mode saving from ScienceDirect temporarily disabled due to a site update -- an updated Zotero translator will be available soon");
var sets = [];
var articles = new Array();
if (detectWeb(doc, url) == "multiple") {
var items = new Object();
if (url.indexOf("_ob=PublicationURL") != -1) {
xpath = '//table[@class="resultRow"]/tbody/tr/td[2]/a';
// not sure whether this case still exists
} else {
xpath = '//div[@class="font3"][@id="bodyMainResults"]/table/tbody/tr/td[2]/a';
}
var rows = doc.evaluate(xpath, doc, nsResolver, XPathResult.ANY_TYPE, null);
var next_row;
while (next_row = rows.iterateNext()) {
var title = next_row.textContent;
var link = next_row.href;
if (!title.match(/PDF \(/) && !title.match(/Related Articles/)) items[link] = title;
}
items = Zotero.selectItems(items);
for (var i in items) {
articles.push(i);
}
} else {
articles = [url];
}
if(articles.length == 0) {
Zotero.debug('no items');
return;
}
for each (article in articles) {
sets.push({article:article});
}
var unauthScrape = function(doc2) {
var item = new Zotero.Item("journalArticle");
item.repository = "ScienceDirect";
item.url = doc2.location.href;
var title = doc2.title.match(/^[^-]+\-([^:]+):(.*)$/);
item.title = Zotero.Utilities.trimInternal(title[2]);
item.publicationTitle = Zotero.Utilities.trimInternal(title[1]);
voliss = doc2.evaluate('//div[@class="pageText"][@id="sdBody"]/table/tbody/tr/td[1]', doc2, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().textContent;
if (voliss.match(/Volume\s+\d+/)) item.volume = voliss.match(/Volume\s+(\d+)/)[1];
if (voliss.match(/Issues?\s+[^,]+/)) item.issue = voliss.match(/Issues?\s+([^,]+)/)[1];
if (voliss.match(/(J|F|M|A|S|O|N|D)\w+\s+\d{4}/)) item.date = voliss.match(/(J|F|M|A|S|O|N|D)\w+\s+\d{4}/)[0];
if (voliss.match(/Pages?\s+[^,^\s]+/)) item.pages = voliss.match(/Pages?\s+([^,^\s]+)/)[1];
/*
FIXME: pulling full article content
var abspath = '//div[@class="articleHeaderInner"][@id="articleHeader"]/div[@class="articleText"]/p';
var absx = doc2.evaluate(abspath, doc2, nsResolver, XPathResult.ANY_TYPE, null);
var ab;
item.abstractNote = "";
while (ab = absx.iterateNext()) {
item.abstractNote += Zotero.Utilities.trimInternal(ab.textContent) + " ";
}
if (item.abstractNote.substr(0, 7) == "Summary") {
item.abstractNote = item.abstractNote.substr(9);
}
*/
var tagpath = '//div[@class="articleText"]/p[strong[starts-with(text(), "Keywords:")]]';
if (doc2.evaluate(tagpath, doc2, nsResolver, XPathResult.ANY_TYPE, null).iterateNext()) {
if (doc2.evaluate(tagpath, doc2, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().textContent.split(":")[1]) {
var tags = doc2.evaluate(tagpath, doc2, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().textContent.split(":")[1].split(";");
for (var i in tags) {
item.tags.push(Zotero.Utilities.trimInternal(tags[i]));
}
}
}
/*
FIXME: producing empty pages
item.attachments.push({url:doc2.location.href, title:"ScienceDirect Snapshot", mimeType:"text/html"});
*/
return item;
};
var first = function(set, next) {
var article = set.article;
Zotero.Utilities.processDocuments(article, function(doc2) {
set.item = unauthScrape(doc2);
next();
});
};
var second = function(set, next) {
var item = set.item;
Zotero.Utilities.HTTP.doGet(item.url, function(text) {
item.DOI = text.match(/>doi:([^<]*)/)[1];
try {
var aus = text.match(/<strong>\s+<p>.*<\/strong>/)[0].replace(/<sup>/g, "$").replace(/<\/sup>/g, "$");
aus = aus.replace(/\$[^$]*\$/g, "");
aus = aus.replace(/<a[^>]*>/g, "$").replace(/<\/a[^>]*>/g, "$");
aus = aus.replace(/\$[^$]*\$/g, "");
aus = Zotero.Utilities.cleanTags(aus);
aus = aus.split(/(,|and)/);
for (var a in aus) {
if (aus[a] != "," && aus[a] != "and" && aus[a].match(/\w+/)) {
item.creators.push(Zotero.Utilities.cleanAuthor(Zotero.Utilities.unescapeHTML(Zotero.Utilities.trimInternal(aus[a]), "author")));
}
}
} catch(e) {
Zotero.debug("No Authors listed.");
}
item.complete();
next();
});
};
var callbacks = [first, second];
if(detectWeb(doc, url) == "journalArticle") {
second({item:unauthScrape(doc)}, function() {Zotero.done()});
} else {
Zotero.Utilities.processAsync(sets, callbacks, function() {Zotero.done()});
}
}
Zotero.wait();
}