Improve our chances of getting attachments from the connector. We attach cookies sent from the connector to attachment downloads, which should get most proxies working, provided that the user is logged in. We also use WeakMaps to keep track of active CookieSandboxes, rather than manually removing them from a list.

This commit is contained in:
Simon Kornblith 2012-02-10 19:10:43 -05:00
parent 6a4bcc683e
commit 5619555866
9 changed files with 81 additions and 111 deletions

View file

@ -200,7 +200,7 @@ Zotero.Attachments = new function(){
function importFromURL(url, sourceItemID, forceTitle, forceFileBaseName, parentCollectionIDs,
mimeType, libraryID, callback) {
mimeType, libraryID, callback, cookieSandbox) {
Zotero.debug('Importing attachment from URL');
if (sourceItemID && parentCollectionIDs) {
@ -222,6 +222,7 @@ Zotero.Attachments = new function(){
// Save using a hidden browser
var nativeHandlerImport = function () {
var browser = Zotero.Browser.createHiddenBrowser();
if(cookieSandbox) cookieSandbox.attachToBrowser(browser);
var imported = false;
var onpageshow = function() {
// ignore spurious about:blank loads
@ -263,6 +264,7 @@ Zotero.Attachments = new function(){
.classes["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"]
.createInstance(nsIWBP);
wbp.persistFlags = nsIWBP.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;
if(cookieSandbox) cookieSandbox.attachToInterfaceRequestor(wbp);
var encodingFlags = false;
Zotero.DB.beginTransaction();
@ -396,7 +398,7 @@ Zotero.Attachments = new function(){
else {
Zotero.MIME.getMIMETypeFromURL(url, function (mimeType, hasNativeHandler) {
process(mimeType, hasNativeHandler);
});
}, cookieSandbox);
}
}

View file

@ -1,7 +1,7 @@
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
Copyright © 2012 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
@ -23,10 +23,15 @@
***** END LICENSE BLOCK *****
*/
Zotero.Translate.ItemSaver = function(libraryID, attachmentMode, forceTagType) {
Zotero.Translate.ItemSaver = function(libraryID, attachmentMode, forceTagType, document,
cookieSandbox) {
this.newItems = [];
this._timeoutID = null;
if(document) {
this._uri = document.location.toString();
this._cookie = document.cookie;
}
}
Zotero.Translate.ItemSaver.ATTACHMENT_MODE_IGNORE = 0;
@ -40,7 +45,13 @@ Zotero.Translate.ItemSaver.prototype = {
"saveItems":function(items, callback) {
var me = this;
// first try to save items via connector
Zotero.Connector.callMethod("saveItems", {"items":items}, function(success, status) {
var payload = {"items":items};
if(this._uri && this._cookie) {
payload.uri = this._uri;
payload.cookie = this._cookie;
}
Zotero.Connector.callMethod("saveItems", payload, function(success, status) {
if(success !== false) {
Zotero.debug("Translate: Save via Standalone succeeded");
callback(true, items);

View file

@ -27,16 +27,12 @@
* Manage cookies in a sandboxed fashion
*
* @constructor
* @param {browser} browser Hidden browser object
* @param {browser} [browser] Hidden browser object
* @param {String|nsIURI} uri URI of page to manage cookies for (cookies for domains that are not
* subdomains of this URI are ignored)
* @param {String} cookieData Cookies with which to initiate the sandbox
*/
Zotero.CookieSandbox = function(browser, uri, cookieData) {
this._webNav = browser.webNavigation;
this._browser = browser;
this._watchedBrowsers = [browser];
this._watchedXHRs = [];
this._observerService = Components.classes["@mozilla.org/observer-service;1"].
getService(Components.interfaces.nsIObserverService);
@ -58,30 +54,13 @@ Zotero.CookieSandbox = function(browser, uri, cookieData) {
}
}
// register with observer
Zotero.CookieSandbox.Observer.register(this);
if(browser) {
this.attachToBrowser(browser);
}
Zotero.CookieSandbox.Observer.register();
}
Zotero.CookieSandbox.prototype = {
/**
* Check whether we track a browser for this document
*/
"isDocumentTracked":function(doc) {
var i = this._watchedBrowsers.length;
while(i--) {
var browser = this._watchedBrowsers[i];
if(doc == browser.contentDocument) return true;
}
return false;
},
/**
* Check whether we track an XHR for this document
*/
"isXHRTracked":function(xhr) {
return this._watchedXHRs.indexOf(xhr) !== -1;
},
/**
* Adds cookies to this CookieSandbox based on a cookie header
* @param {String} cookieString;
@ -108,27 +87,19 @@ Zotero.CookieSandbox.prototype = {
},
/**
* Attach CookieSandbox to a specific XMLHttpRequest
* @param {XMLHttpRequest} xhr
* Attach CookieSandbox to a specific browser
* @param {Browser} browser
*/
"attachToBrowser":function(browser) {
this._watchedBrowsers.push(browser);
Zotero.CookieSandbox.Observer.trackedBrowsers.set(browser, this);
},
/**
* Attach CookieSandbox to a specific XMLHttpRequest
* @param {XMLHttpRequest} xhr
* @param {nsIInterfaceRequestor} ir
*/
"attachToXHR": function(xhr) {
this._watchedXHRs.push(xhr);
},
/**
* Destroys this CookieSandbox (intended to be executed when the browser is destroyed)
*/
"destroy": function() {
// unregister with observer
Zotero.CookieSandbox.Observer.unregister(this);
"attachToInterfaceRequestor": function(ir) {
Zotero.CookieSandbox.Observer.trackedInterfaceRequestors.set(ir.QueryInterface(Components.interfaces.nsIInterfaceRequestor), this);
}
}
@ -144,36 +115,21 @@ Zotero.CookieSandbox.Observer = new function() {
var observerService = Components.classes["@mozilla.org/observer-service;1"].
getService(Components.interfaces.nsIObserverService),
observing = false,
cookieSandboxes = [];
observing = false;
this.trackedBrowsers = new WeakMap();
this.trackedInterfaceRequestors = new WeakMap();
/**
* Registers cookie manager and observer, if necessary
*/
this.register = function(CookieSandbox) {
cookieSandboxes.push(CookieSandbox);
if(!observing) {
Zotero.debug("CookieSandbox: Registering observers");
for each(var topic in observeredTopics) observerService.addObserver(this, topic, false);
observing = true;
}
}
/**
* Unregisters cookie manager and observer
*/
this.unregister = function(CookieSandbox) {
// remove cookie manager from list
cookieSandboxes.splice(cookieSandboxes.indexOf(CookieSandbox), 1);
// remove observer if this is the last and this is not translation-server
if(cookieSandboxes.length === 0 && !Zotero.isServer) {
Zotero.debug("CookieSandbox: Unregistering observers");
for each(var topic in observeredTopics) observerService.removeObserver(this, topic);
observing = false;
}
}
};
/**
* Implements nsIObserver to watch for new cookies and to add sandboxed cookies
@ -185,50 +141,48 @@ Zotero.CookieSandbox.Observer = new function() {
}
channel.QueryInterface(Components.interfaces.nsIHttpChannel);
var trackedBy, tested, doc, xhr,
var trackedBy, tested, browser, callbacks,
channelURI = channel.URI.spec,
notificationCallbacks = channel.notificationCallbacks;
// try the document
try {
doc = notificationCallbacks.getInterface(Components.interfaces.nsIDOMWindow).top.document;
} catch(e) {}
if(doc) {
// try the notification callbacks
trackedBy = this.trackedInterfaceRequestors.get(notificationCallbacks);
if(trackedBy) {
tested = true;
for(var i=0, n=cookieSandboxes.length; i<n; i++) {
if(cookieSandboxes[i].isDocumentTracked(doc)) {
trackedBy = cookieSandboxes[i];
}
}
} else {
// try the document for the load group
// try the browser
try {
doc = channel.loadGroup.notificationCallbacks.getInterface(Components.interfaces.nsIDOMWindow).top.document;
browser = notificationCallbacks.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell).chromeEventHandler;
} catch(e) {}
if(doc) {
if(browser) {
tested = true;
for(var i=0, n=cookieSandboxes.length; i<n; i++) {
if(cookieSandboxes[i].isDocumentTracked(doc)) {
trackedBy = cookieSandboxes[i];
}
}
trackedBy = this.trackedBrowsers.get(browser);
} else {
// try getting as an XHR
// try the document for the load group
try {
xhr = notificationCallbacks.QueryInterface(Components.interfaces.nsIXMLHttpRequest);
browser = channel.loadGroup.notificationCallbacks.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell).chromeEventHandler;
} catch(e) {}
if(xhr) {
if(browser) {
tested = true;
for(var i=0, n=cookieSandboxes.length; i<n; i++) {
if(cookieSandboxes[i].isXHRTracked(xhr)) {
trackedBy = cookieSandboxes[i];
}
trackedBy = this.trackedBrowsers.get(browser);
} else {
// try getting as an XHR or nsIWBP
try {
notificationCallbacks.QueryInterface(Components.interfaces.nsIXMLHttpRequest);
tested = true;
} catch(e) {}
if(!tested) {
try {
notificationCallbacks.QueryInterface(Components.interfaces.nsIWebBrowserPersist);
tested = true;
} catch(e) {}
}
}
}
}
// isTracked is now either true, false, or null
// trackedBy => we should manage cookies for this request
// tested && !trackedBy => we should not manage cookies for this request
// !tested && !trackedBy => this request is of a type we couldn't match to this request.
@ -256,7 +210,6 @@ Zotero.CookieSandbox.Observer = new function() {
}
// add cookies to be sent to this domain
Zotero.debug(trackedBy.cookieString);
channel.setRequestHeader("Cookie", trackedBy.cookieString, false);
Zotero.debug("CookieSandbox: Added cookies for request to "+channelURI, 5);
} else if(topic == "http-on-examine-response") {
@ -276,7 +229,6 @@ Zotero.CookieSandbox.Observer = new function() {
}
// put new cookies into our sandbox
Zotero.debug(cookieHeader);
if(cookieHeader) trackedBy.addCookiesFromHeader(cookieHeader);
Zotero.debug("CookieSandbox: Slurped cookies from "+channelURI, 5);

View file

@ -52,7 +52,7 @@ Zotero.HTTP = new function() {
_stateChange(xmlhttp, onDone, responseCharset);
};
if(cookieSandbox) cookieSandbox.attachToXHR(xmlhttp);
if(cookieSandbox) cookieSandbox.attachToInterfaceRequestor(xmlhttp);
xmlhttp.send(null);
return xmlhttp;
@ -151,7 +151,7 @@ Zotero.HTTP = new function() {
_stateChange(xmlhttp, onDone, responseCharset);
};
if(cookieSandbox) cookieSandbox.attachToXHR(xmlhttp);
if(cookieSandbox) cookieSandbox.attachToInterfaceRequestor(xmlhttp);
xmlhttp.send(body);
return xmlhttp;
@ -163,9 +163,10 @@ Zotero.HTTP = new function() {
* @param {String} url URL to request
* @param {Function} onDone Callback to be executed upon request completion
* @param {Object} requestHeaders HTTP headers to include with request
* @param {Zotero.CookieSandbox} [cookieSandbox] Cookie sandbox object
* @return {Boolean} True if the request was sent, or false if the browser is offline
*/
this.doHead = function(url, onDone, requestHeaders) {
this.doHead = function(url, onDone, requestHeaders, cookieSandbox) {
if (url instanceof Components.interfaces.nsIURI) {
// Don't display password in console
var disp = url.clone();
@ -229,6 +230,7 @@ Zotero.HTTP = new function() {
_stateChange(xmlhttp, onDone);
};
if(cookieSandbox) cookieSandbox.attachToInterfaceRequestor(xmlhttp);
xmlhttp.send(null);
return xmlhttp;

View file

@ -280,7 +280,7 @@ Zotero.MIME = new function(){
}
this.getMIMETypeFromURL = function (url, callback) {
this.getMIMETypeFromURL = function (url, callback, cookieSandbox) {
Zotero.HTTP.doHead(url, function(xmlhttp) {
if (xmlhttp.status != 200 && xmlhttp.status != 204) {
Zotero.debug("Attachment HEAD request returned with status code "
@ -308,7 +308,7 @@ Zotero.MIME = new function(){
var hasNativeHandler = Zotero.MIME.hasNativeHandler(mimeType, ext)
callback(mimeType, hasNativeHandler);
});
}, undefined, cookieSandbox);
}

View file

@ -156,7 +156,6 @@ Zotero.Server.Connector.Detect.prototype = {
}
this.sendResponse(200, "application/json", JSON.stringify(jsons));
this._translate.cookieSandbox.destroy();
Zotero.Browser.deleteHiddenBrowser(this._browser);
}
}
@ -225,7 +224,6 @@ Zotero.Server.Connector.SavePage.prototype = {
"_translatorsAvailable":function(translate, translators) {
// make sure translatorsAvailable succeded
if(!translators.length) {
me._translate.cookieSandbox.destroy();
Zotero.Browser.deleteHiddenBrowser(this._browser);
this.sendResponse(500);
return;
@ -251,7 +249,6 @@ Zotero.Server.Connector.SavePage.prototype = {
jsonItems.push(jsonItem);
});
translate.setHandler("done", function(obj, item) {
me._translate.cookieSandbox.destroy();
Zotero.Browser.deleteHiddenBrowser(me._browser);
if(jsonItems.length || me.selectedItems === false) {
me.sendResponse(201, "application/json", JSON.stringify({"items":jsonItems}));
@ -296,9 +293,12 @@ Zotero.Server.Connector.SaveItem.prototype = {
var collection = zp.getSelectedCollection();
} catch(e) {}
var cookieSandbox = data["uri"] && data["cookie"] ? new Zotero.CookieSandbox(null, data["uri"],
data["cookie"]) : null;
// save items
var itemSaver = new Zotero.Translate.ItemSaver(libraryID,
Zotero.Translate.ItemSaver.ATTACHMENT_MODE_DOWNLOAD, 1);
Zotero.Translate.ItemSaver.ATTACHMENT_MODE_DOWNLOAD, 1, undefined, cookieSandbox);
itemSaver.saveItems(data.items, function(returnValue, data) {
if(returnValue) {
try {
@ -390,8 +390,6 @@ Zotero.Server.Connector.SaveSnapshot.prototype = {
// remove browser
Zotero.Browser.deleteHiddenBrowser(browser);
// destroy cookieSandbox
cookieSandbox.destroy();
sendResponseCallback(201);
} catch(e) {
sendResponseCallback(500);

View file

@ -1437,7 +1437,8 @@ Zotero.Translate.Web.prototype._getParameters = function() { return [this.docume
*/
Zotero.Translate.Web.prototype._prepareTranslation = function() {
this._itemSaver = new Zotero.Translate.ItemSaver(this._libraryID,
Zotero.Translate.ItemSaver[(this._saveAttachments ? "ATTACHMENT_MODE_DOWNLOAD" : "ATTACHMENT_MODE_IGNORE")], 1);
Zotero.Translate.ItemSaver[(this._saveAttachments ? "ATTACHMENT_MODE_DOWNLOAD" : "ATTACHMENT_MODE_IGNORE")], 1,
this.document, this._cookieSandbox);
this.newItems = [];
}

View file

@ -1,7 +1,7 @@
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
Copyright © 2012 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
@ -23,7 +23,8 @@
***** END LICENSE BLOCK *****
*/
Zotero.Translate.ItemSaver = function(libraryID, attachmentMode, forceTagType) {
Zotero.Translate.ItemSaver = function(libraryID, attachmentMode, forceTagType, document,
cookieSandbox) {
// initialize constants
this.newItems = [];
this.newCollections = [];
@ -65,6 +66,7 @@ Zotero.Translate.ItemSaver = function(libraryID, attachmentMode, forceTagType) {
// force tag types if requested
this._forceTagType = forceTagType;
this._cookieSandbox = cookieSandbox;
};
Zotero.Translate.ItemSaver.ATTACHMENT_MODE_IGNORE = 0;
@ -346,7 +348,9 @@ Zotero.Translate.ItemSaver.prototype = {
var fileBaseName = Zotero.Attachments.getFileBaseNameFromItem(parentID);
try {
Zotero.Attachments.importFromURL(attachment.url, parentID, title, fileBaseName);
Zotero.debug('Importing attachment from URL');
Zotero.Attachments.importFromURL(attachment.url, parentID, title,
fileBaseName, null, mimeType, this._libraryID, null, this._cookieSandbox);
} catch(e) {
Zotero.debug("Translate: Error adding attachment "+attachment.url, 2);
}

@ -1 +1 @@
Subproject commit 3daf3bdf2ce13d7e1a329f5648f18937d8251dee
Subproject commit 94bcbbcdc6c4db94391db64dd4b7270e12401e13