572 lines
19 KiB
JavaScript
572 lines
19 KiB
JavaScript
{
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"translatorID":"96b9f483-c44d-5784-cdad-ce21b984fe01",
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"translatorType":4,
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"label":"Amazon.com",
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"creator":"Sean Takats and Michael Berkowitz",
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"target":"^https?://(?:www\\.)?amazon",
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"minVersion":"1.0.0b4.r1",
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"maxVersion":"",
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"priority":100,
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"inRepository":true,
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"lastUpdated":"2010-06-10 02:55:00"
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}
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function detectWeb(doc, url) {
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var suffixRe = new RegExp("https?://(?:www\.)?amazon\.([^/]+)/");
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var suffixMatch = suffixRe.exec(url);
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var suffix = suffixMatch[1];
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var searchRe = new RegExp('^https?://(?:www\.)?amazon\.' + suffix + '/(gp/search/|exec/obidos/search-handle-url/|s/|[^/]+/lm/|gp/richpub/)');
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Zotero.debug(searchRe.test(doc.location.href));
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if(searchRe.test(doc.location.href)) {
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return "multiple";
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} else {
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var namespace = doc.documentElement.namespaceURI;
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var nsResolver = namespace ? function(prefix) {
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if (prefix == 'x') return namespace; else return null;
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} : null;
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var xpath = '//input[@name="ASIN"]';
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if(doc.evaluate(xpath, doc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext()) {
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var elmt = doc.evaluate('//input[@name="storeID"]', doc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext();
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if(elmt) {
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var storeID = elmt.value;
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Zotero.debug("store id: " + storeID);
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if (storeID=="books"){
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return "book";
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}
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else if (storeID=="music"){
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return "audioRecording";
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}
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else if (storeID=="dvd"|storeID=="video"){
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return "videoRecording";
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}
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else {
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return "book";
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}
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}
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else {
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return "book";
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}
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}
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}
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}
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function doWeb(doc, url) {
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var namespace = doc.documentElement.namespaceURI;
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var nsResolver = namespace ? function(prefix) {
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if (prefix == 'x') return namespace; else return null;
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} : null;
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var suffixRe = new RegExp("https?://(?:www\.)?amazon\.([^/]+)/");
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var suffixMatch = suffixRe.exec(url);
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var suffix = suffixMatch[1];
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var searchRe = new RegExp('^https?://(?:www\.)?amazon\.' + suffix + '/(gp/search/|exec/obidos/search-handle-url/|s/|[^/]+/lm/|gp/richpub/)');
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var m = searchRe.exec(doc.location.href);
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var uris = new Array();
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if (suffix == "co.jp"){
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suffix = "jp";
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}
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if (suffix == ".com") suffix = "com";
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if(m) {
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var availableItems = new Array();
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if(doc.location.href.match(/gp\/richpub\//)){ // Show selector for Guides
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var xpath = '//a[(contains(@href, "ref=cm_syf_dtl_pl") or contains(@href, "ref=cm_syf_dtl_top")) and preceding-sibling::b]';
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} else if (doc.location.href.match(/\/lm\//)) { // Show selector for Lists
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var xpath = '//span[@id="lm_asinlink95"]//a'
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} else { // Show selector for Search results
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var xpath = '//div[@class="productTitle"]/a | //a[span[@class="srTitle"]]';
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}
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var elmts = doc.evaluate(xpath, doc, nsResolver, XPathResult.ANY_TYPE, null);
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var elmt = elmts.iterateNext();
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var asins = new Array();
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var i = 0;
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var asinRe = new RegExp('/(dp|product)/([^/]+)/');
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do {
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var link = elmt.href;
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var searchTitle = elmt.textContent;
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if (asinRe.exec(link)) {
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var asinMatch = asinRe.exec(link);
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availableItems[i] = searchTitle;
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asins[i] = asinMatch[2];
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i++;
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}
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} while (elmt = elmts.iterateNext());
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var items = Zotero.selectItems(availableItems);
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if(!items) {
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return true;
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}
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for(var i in items) {
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var timestamp = encodeURIComponent(generateISODate());
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var params = "AWSAccessKeyId=AKIAIPYIWJ24AGZJ64AA&ItemId=" + Zotero.Utilities.trim(asins[i]) + "&Operation=ItemLookup&ResponseGroup=ItemAttributes&Service=AWSECommerceService&Timestamp="+timestamp+"&Version=2006-06-28";
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var signString = "GET\necs.amazonaws."+suffix+"\n/onca/xml\n"+params;
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var signature = b64_hmac_sha256("054vk/Lt3LJMxch1srIHUbvI+2T/fZ6E5c0qwlbj", signString);
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signature = encodeURIComponent(signature);
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uris.push("http://ecs.amazonaws." + suffix + "/onca/xml?"+params+"&Signature="+signature+"%3D"); //wants the %3D for some reason
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}
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} else {
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var elmts = doc.evaluate('//input[@name = "ASIN"]', doc,
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nsResolver, XPathResult.ANY_TYPE, null);
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var elmt;
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while(elmt = elmts.iterateNext()) {
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var asin = elmt.value;
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}
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var timestamp = encodeURIComponent(generateISODate());
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var params = "AWSAccessKeyId=AKIAIPYIWJ24AGZJ64AA&ItemId=" + Zotero.Utilities.trim(asin) + "&Operation=ItemLookup&ResponseGroup=ItemAttributes&Service=AWSECommerceService&Timestamp="+timestamp+"&Version=2006-06-28";
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var signString = "GET\necs.amazonaws."+suffix+"\n/onca/xml\n"+params;
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var signature = b64_hmac_sha256("054vk/Lt3LJMxch1srIHUbvI+2T/fZ6E5c0qwlbj", signString);
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signature = encodeURIComponent(signature);
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uris.push("http://ecs.amazonaws." + suffix + "/onca/xml?"+params+"&Signature="+signature+"%3D"); //wants the %3D for some reason
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}
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Zotero.Utilities.HTTP.doGet(uris, function(text) {
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text = text.replace(/<!DOCTYPE[^>]*>/, "").replace(/<\?xml[^>]*\?>/, "");
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var texts = text.split("<Items>");
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texts = texts[1].split("</ItemLookupResponse>");
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text = "<Items>" + texts[0];
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var xml = new XML(text);
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var publisher = "";
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if (!xml..Errors.length()) {
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if (xml..Publisher.length()){
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publisher = Zotero.Utilities.trimInternal(xml..Publisher[0].text().toString());
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}
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var binding = "";
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if (xml..Binding.length()){
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binding = Zotero.Utilities.trimInternal(xml..Binding[0].text().toString());
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}
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var productGroup = "";
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if (xml..ProductGroup.length()){
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productGroup = Zotero.Utilities.trimInternal(xml..ProductGroup[0].text().toString());
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}
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if (productGroup=="Book") {
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var newItem = new Zotero.Item("book");
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newItem.publisher = publisher;
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}
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else if (productGroup == "Music") {
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var newItem = new Zotero.Item("audioRecording");
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newItem.label = publisher;
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newItem.audioRecordingType = binding;
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for(var i=0; i<xml..Artist.length(); i++) {
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newItem.creators.push(Zotero.Utilities.cleanAuthor(xml..Artist[i].text().toString(), "performer"));
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}
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}
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else if (productGroup == "DVD" | productGroup == "Video") {
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var newItem = new Zotero.Item("videoRecording");
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newItem.studio = publisher;
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newItem.videoRecordingType = binding;
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for(var i=0; i<xml..Actor.length(); i++) {
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newItem.creators.push(Zotero.Utilities.cleanAuthor(xml..Actor[i].text().toString(), "castMember"));
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}
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for(var i=0; i<xml..Director.length(); i++) {
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newItem.creators.push(Zotero.Utilities.cleanAuthor(xml..Director[i].text().toString(), "director"));
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}
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}
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else{
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var newItem = new Zotero.Item("book");
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newItem.publisher = publisher;
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}
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if(xml..RunningTime.length()){
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newItem.runningTime = Zotero.Utilities.trimInternal(xml..RunningTime[0].text().toString());
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}
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// Retrieve authors and other creators
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for(var i=0; i<xml..Author.length(); i++) {
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newItem.creators.push(Zotero.Utilities.cleanAuthor(xml..Author[i].text().toString(), "author"));
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}
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if (newItem.creators.length == 0){
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for(var i=0; i<xml..Creator.length(); i++) {
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newItem.creators.push(Zotero.Utilities.cleanAuthor(xml..Creator[i].text().toString()));
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}
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}
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if (xml..PublicationDate.length()){
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newItem.date = Zotero.Utilities.trimInternal(xml..PublicationDate[0].text().toString());
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} else if (xml..ReleaseDate.length()){
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newItem.date = Zotero.Utilities.trimInternal(xml..ReleaseDate[0].text().toString());
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}
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if (xml..Edition.length()){
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newItem.edition = Zotero.Utilities.trimInternal(xml..Edition[0].text().toString());
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}
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if (xml..ISBN.length()){
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newItem.ISBN = Zotero.Utilities.trimInternal(xml..ISBN[0].text().toString());
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}
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// Uncomment when numPages field is added to schema
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// if (xml..NumberOfPages.length()){
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// newItem.numPages = Zotero.Utilities.trimInternal(xml..NumberOfPages[0].text().toString());
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// }
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var title = Zotero.Utilities.trimInternal(xml..Title[0].text().toString());
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if(title.lastIndexOf("(") != -1 && title.lastIndexOf(")") == title.length-1) {
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title = title.substring(0, title.lastIndexOf("(")-1);
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}
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if (xml..ASIN.length()){
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var url = "http://www.amazon." + suffix + "/dp/" + Zotero.Utilities.trimInternal(xml..ASIN[0].text().toString());
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newItem.attachments.push({title:"Amazon.com Link", snapshot:false, mimeType:"text/html", url:url});
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}
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if (xml..OriginalReleaseDate.length()){
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newItem.extra = Zotero.Utilities.trimInternal(xml..OriginalReleaseDate[0].text().toString());
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}
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newItem.title = title;
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newItem.complete();
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}
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}, function() {Zotero.done();}, null);
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Zotero.wait();
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}
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function generateISODate(){
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var ts = new Date();
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var isodate = ts.getUTCFullYear()+"-"+Zotero.Utilities.lpad(ts.getUTCMonth()+1, "0", 2)+"-"+Zotero.Utilities.lpad(ts.getUTCDate(), "0", 2)+"T"+Zotero.Utilities.lpad(ts.getUTCHours(), "0", 2)+":"+Zotero.Utilities.lpad(ts.getUTCMinutes(), "0", 2)+":"+Zotero.Utilities.lpad(ts.getUTCSeconds(), "0", 2)+"Z";
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return isodate;
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}
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/*
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* A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
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* in FIPS 180-2
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* Version 2.2 Copyright Angel Marin, Paul Johnston 2000 - 2009.
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* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
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* Distributed under the BSD License
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* See http://pajhome.org.uk/crypt/md5 for details.
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* Also http://anmar.eu.org/projects/jssha2/
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*/
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/*
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* Configurable variables. You may need to tweak these to be compatible with
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* the server-side, but the defaults work in most cases.
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*/
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var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
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var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
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/*
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* These are the functions you'll usually want to call
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* They take string arguments and return either hex or base-64 encoded strings
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*/
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function hex_sha256(s) { return rstr2hex(rstr_sha256(str2rstr_utf8(s))); }
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function b64_sha256(s) { return rstr2b64(rstr_sha256(str2rstr_utf8(s))); }
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function any_sha256(s, e) { return rstr2any(rstr_sha256(str2rstr_utf8(s)), e); }
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function hex_hmac_sha256(k, d)
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{ return rstr2hex(rstr_hmac_sha256(str2rstr_utf8(k), str2rstr_utf8(d))); }
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function b64_hmac_sha256(k, d)
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{ return rstr2b64(rstr_hmac_sha256(str2rstr_utf8(k), str2rstr_utf8(d))); }
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function any_hmac_sha256(k, d, e)
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{ return rstr2any(rstr_hmac_sha256(str2rstr_utf8(k), str2rstr_utf8(d)), e); }
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/*
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* Perform a simple self-test to see if the VM is working
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*/
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function sha256_vm_test()
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{
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return hex_sha256("abc").toLowerCase() ==
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"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad";
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}
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/*
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* Calculate the sha256 of a raw string
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*/
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function rstr_sha256(s)
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{
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return binb2rstr(binb_sha256(rstr2binb(s), s.length * 8));
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}
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/*
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* Calculate the HMAC-sha256 of a key and some data (raw strings)
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*/
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function rstr_hmac_sha256(key, data)
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{
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var bkey = rstr2binb(key);
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if(bkey.length > 16) bkey = binb_sha256(bkey, key.length * 8);
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var ipad = Array(16), opad = Array(16);
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for(var i = 0; i < 16; i++)
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{
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ipad[i] = bkey[i] ^ 0x36363636;
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opad[i] = bkey[i] ^ 0x5C5C5C5C;
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}
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var hash = binb_sha256(ipad.concat(rstr2binb(data)), 512 + data.length * 8);
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return binb2rstr(binb_sha256(opad.concat(hash), 512 + 256));
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}
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/*
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* Convert a raw string to a hex string
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*/
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function rstr2hex(input)
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{
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try { hexcase } catch(e) { hexcase=0; }
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var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
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var output = "";
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var x;
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for(var i = 0; i < input.length; i++)
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{
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x = input.charCodeAt(i);
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output += hex_tab.charAt((x >>> 4) & 0x0F)
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+ hex_tab.charAt( x & 0x0F);
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}
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return output;
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}
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/*
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* Convert a raw string to a base-64 string
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*/
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function rstr2b64(input)
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{
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try { b64pad } catch(e) { b64pad=''; }
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var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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var output = "";
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var len = input.length;
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for(var i = 0; i < len; i += 3)
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{
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var triplet = (input.charCodeAt(i) << 16)
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| (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
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| (i + 2 < len ? input.charCodeAt(i+2) : 0);
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for(var j = 0; j < 4; j++)
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{
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if(i * 8 + j * 6 > input.length * 8) output += b64pad;
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else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
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}
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}
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return output;
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}
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/*
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* Convert a raw string to an arbitrary string encoding
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*/
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function rstr2any(input, encoding)
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{
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var divisor = encoding.length;
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var remainders = Array();
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var i, q, x, quotient;
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/* Convert to an array of 16-bit big-endian values, forming the dividend */
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var dividend = Array(Math.ceil(input.length / 2));
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for(i = 0; i < dividend.length; i++)
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{
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dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
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}
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/*
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* Repeatedly perform a long division. The binary array forms the dividend,
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* the length of the encoding is the divisor. Once computed, the quotient
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* forms the dividend for the next step. We stop when the dividend is zero.
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* All remainders are stored for later use.
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*/
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while(dividend.length > 0)
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{
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quotient = Array();
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x = 0;
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for(i = 0; i < dividend.length; i++)
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{
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x = (x << 16) + dividend[i];
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q = Math.floor(x / divisor);
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x -= q * divisor;
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if(quotient.length > 0 || q > 0)
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quotient[quotient.length] = q;
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}
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remainders[remainders.length] = x;
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dividend = quotient;
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}
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/* Convert the remainders to the output string */
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var output = "";
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for(i = remainders.length - 1; i >= 0; i--)
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output += encoding.charAt(remainders[i]);
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/* Append leading zero equivalents */
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var full_length = Math.ceil(input.length * 8 /
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(Math.log(encoding.length) / Math.log(2)))
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for(i = output.length; i < full_length; i++)
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output = encoding[0] + output;
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return output;
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}
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/*
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* Encode a string as utf-8.
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* For efficiency, this assumes the input is valid utf-16.
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*/
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function str2rstr_utf8(input)
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{
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var output = "";
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var i = -1;
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var x, y;
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while(++i < input.length)
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{
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/* Decode utf-16 surrogate pairs */
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x = input.charCodeAt(i);
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y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
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if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
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{
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x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
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i++;
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}
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/* Encode output as utf-8 */
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if(x <= 0x7F)
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output += String.fromCharCode(x);
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else if(x <= 0x7FF)
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output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
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0x80 | ( x & 0x3F));
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else if(x <= 0xFFFF)
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output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
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0x80 | ((x >>> 6 ) & 0x3F),
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0x80 | ( x & 0x3F));
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else if(x <= 0x1FFFFF)
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output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
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0x80 | ((x >>> 12) & 0x3F),
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0x80 | ((x >>> 6 ) & 0x3F),
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0x80 | ( x & 0x3F));
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}
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return output;
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}
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/*
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* Encode a string as utf-16
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*/
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function str2rstr_utf16le(input)
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|
{
|
|
var output = "";
|
|
for(var i = 0; i < input.length; i++)
|
|
output += String.fromCharCode( input.charCodeAt(i) & 0xFF,
|
|
(input.charCodeAt(i) >>> 8) & 0xFF);
|
|
return output;
|
|
}
|
|
|
|
function str2rstr_utf16be(input)
|
|
{
|
|
var output = "";
|
|
for(var i = 0; i < input.length; i++)
|
|
output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
|
|
input.charCodeAt(i) & 0xFF);
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Convert a raw string to an array of big-endian words
|
|
* Characters >255 have their high-byte silently ignored.
|
|
*/
|
|
function rstr2binb(input)
|
|
{
|
|
var output = Array(input.length >> 2);
|
|
for(var i = 0; i < output.length; i++)
|
|
output[i] = 0;
|
|
for(var i = 0; i < input.length * 8; i += 8)
|
|
output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Convert an array of big-endian words to a string
|
|
*/
|
|
function binb2rstr(input)
|
|
{
|
|
var output = "";
|
|
for(var i = 0; i < input.length * 32; i += 8)
|
|
output += String.fromCharCode((input[i>>5] >>> (24 - i % 32)) & 0xFF);
|
|
return output;
|
|
}
|
|
|
|
/*
|
|
* Main sha256 function, with its support functions
|
|
*/
|
|
function sha256_S (X, n) {return ( X >>> n ) | (X << (32 - n));}
|
|
function sha256_R (X, n) {return ( X >>> n );}
|
|
function sha256_Ch(x, y, z) {return ((x & y) ^ ((~x) & z));}
|
|
function sha256_Maj(x, y, z) {return ((x & y) ^ (x & z) ^ (y & z));}
|
|
function sha256_Sigma0256(x) {return (sha256_S(x, 2) ^ sha256_S(x, 13) ^ sha256_S(x, 22));}
|
|
function sha256_Sigma1256(x) {return (sha256_S(x, 6) ^ sha256_S(x, 11) ^ sha256_S(x, 25));}
|
|
function sha256_Gamma0256(x) {return (sha256_S(x, 7) ^ sha256_S(x, 18) ^ sha256_R(x, 3));}
|
|
function sha256_Gamma1256(x) {return (sha256_S(x, 17) ^ sha256_S(x, 19) ^ sha256_R(x, 10));}
|
|
function sha256_Sigma0512(x) {return (sha256_S(x, 28) ^ sha256_S(x, 34) ^ sha256_S(x, 39));}
|
|
function sha256_Sigma1512(x) {return (sha256_S(x, 14) ^ sha256_S(x, 18) ^ sha256_S(x, 41));}
|
|
function sha256_Gamma0512(x) {return (sha256_S(x, 1) ^ sha256_S(x, 8) ^ sha256_R(x, 7));}
|
|
function sha256_Gamma1512(x) {return (sha256_S(x, 19) ^ sha256_S(x, 61) ^ sha256_R(x, 6));}
|
|
|
|
var sha256_K = new Array
|
|
(
|
|
1116352408, 1899447441, -1245643825, -373957723, 961987163, 1508970993,
|
|
-1841331548, -1424204075, -670586216, 310598401, 607225278, 1426881987,
|
|
1925078388, -2132889090, -1680079193, -1046744716, -459576895, -272742522,
|
|
264347078, 604807628, 770255983, 1249150122, 1555081692, 1996064986,
|
|
-1740746414, -1473132947, -1341970488, -1084653625, -958395405, -710438585,
|
|
113926993, 338241895, 666307205, 773529912, 1294757372, 1396182291,
|
|
1695183700, 1986661051, -2117940946, -1838011259, -1564481375, -1474664885,
|
|
-1035236496, -949202525, -778901479, -694614492, -200395387, 275423344,
|
|
430227734, 506948616, 659060556, 883997877, 958139571, 1322822218,
|
|
1537002063, 1747873779, 1955562222, 2024104815, -2067236844, -1933114872,
|
|
-1866530822, -1538233109, -1090935817, -965641998
|
|
);
|
|
|
|
function binb_sha256(m, l)
|
|
{
|
|
var HASH = new Array(1779033703, -1150833019, 1013904242, -1521486534,
|
|
1359893119, -1694144372, 528734635, 1541459225);
|
|
var W = new Array(64);
|
|
var a, b, c, d, e, f, g, h;
|
|
var i, j, T1, T2;
|
|
|
|
/* append padding */
|
|
m[l >> 5] |= 0x80 << (24 - l % 32);
|
|
m[((l + 64 >> 9) << 4) + 15] = l;
|
|
|
|
for(i = 0; i < m.length; i += 16)
|
|
{
|
|
a = HASH[0];
|
|
b = HASH[1];
|
|
c = HASH[2];
|
|
d = HASH[3];
|
|
e = HASH[4];
|
|
f = HASH[5];
|
|
g = HASH[6];
|
|
h = HASH[7];
|
|
|
|
for(j = 0; j < 64; j++)
|
|
{
|
|
if (j < 16) W[j] = m[j + i];
|
|
else W[j] = safe_add(safe_add(safe_add(sha256_Gamma1256(W[j - 2]), W[j - 7]),
|
|
sha256_Gamma0256(W[j - 15])), W[j - 16]);
|
|
|
|
T1 = safe_add(safe_add(safe_add(safe_add(h, sha256_Sigma1256(e)), sha256_Ch(e, f, g)),
|
|
sha256_K[j]), W[j]);
|
|
T2 = safe_add(sha256_Sigma0256(a), sha256_Maj(a, b, c));
|
|
h = g;
|
|
g = f;
|
|
f = e;
|
|
e = safe_add(d, T1);
|
|
d = c;
|
|
c = b;
|
|
b = a;
|
|
a = safe_add(T1, T2);
|
|
}
|
|
|
|
HASH[0] = safe_add(a, HASH[0]);
|
|
HASH[1] = safe_add(b, HASH[1]);
|
|
HASH[2] = safe_add(c, HASH[2]);
|
|
HASH[3] = safe_add(d, HASH[3]);
|
|
HASH[4] = safe_add(e, HASH[4]);
|
|
HASH[5] = safe_add(f, HASH[5]);
|
|
HASH[6] = safe_add(g, HASH[6]);
|
|
HASH[7] = safe_add(h, HASH[7]);
|
|
}
|
|
return HASH;
|
|
}
|
|
|
|
function safe_add (x, y)
|
|
{
|
|
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
|
|
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
|
|
return (msw << 16) | (lsw & 0xFFFF);
|
|
}
|
|
|