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Bug 372441 - Implement registerProtocolHandler for arbitrary protocols. r=mano, ur-r=beltzner

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git-svn-id: svn://10.0.0.236/trunk@232091 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
sdwilsh%shawnwilsher.com
2007-08-15 04:02:02 +00:00
parent bbb5527032
commit fb9340db13
2 changed files with 132 additions and 20 deletions
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145
mozilla/browser/components/feeds/src/WebContentConverter.js
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@@ -176,7 +176,6 @@ var WebContentConverterRegistrar = {
},
_contentTypes: { },
_protocols: { },
/**
* Track auto handlers for various content types using a content-type to
@@ -265,13 +264,23 @@ var WebContentConverterRegistrar = {
* See nsIWebContentConverterService
*/
removeProtocolHandler:
function WCCR_removeProtocolHandler(protocol, uri) {
function notURI(currentURI) {
return currentURI != uri;
function WCCR_removeProtocolHandler(aProtocol, aURITemplate) {
var eps = Cc["@mozilla.org/uriloader/external-protocol-service;1"].
getService(Ci.nsIExternalProtocolService);
var handlerInfo = eps.getProtocolHandlerInfo(aProtocol);
var handlers = handlerInfo.possibleApplicationHandlers;
for (let i = 0; i < handlers.length; i++) {
try { // We only want to test web handlers
let handler = handlers.queryElementAt(i, Ci.nsIWebHandlerApp);
if (handler.uriTemplate == aURITemplate) {
handlers.removeElementAt(i);
var hs = Cc["@mozilla.org/uriloader/handler-service;1"].
getService(Ci.nsIHandlerService);
hs.store(handlerInfo);
return;
}
} catch (e) { /* it wasn't a web handler */ }
}
if (protocol in this._protocols)
this._protocols[protocol] = this._protocols[protocol].filter(notURI);
},
/**
@@ -324,13 +333,118 @@ var WebContentConverterRegistrar = {
return ioService.newURI(aURL, aOriginCharset, aBaseURI);
},
_checkAndGetURI:
function WCCR_checkAndGetURI(aURIString)
{
try {
var uri = this._makeURI(aURIString);
} catch (ex) {
// not supposed to throw according to spec
return;
}
// If the uri doesn't contain '%s', it won't be a good handler
if (uri.spec.indexOf("%s") < 0)
throw NS_ERROR_DOM_SYNTAX_ERR;
return uri;
},
/**
* Determines if a web handler is already registered.
*
* @param aProtocol
* The scheme of the web handler we are checking for.
* @param aURITemplate
* The URI template that the handler uses to handle the protocol.
* @return true if it is already registered, false otherwise.
*/
_protocolHandlerRegistered:
function WCCR_protocolHandlerRegistered(aProtocol, aURITemplate) {
var eps = Cc["@mozilla.org/uriloader/external-protocol-service;1"].
getService(Ci.nsIExternalProtocolService);
var handlerInfo = eps.getProtocolHandlerInfo(aProtocol);
var handlers = handlerInfo.possibleApplicationHandlers;
for (let i = 0; i < handlers.length; i++) {
try { // We only want to test web handlers
let handler = handlers.queryElementAt(i, Ci.nsIWebHandlerApp);
if (handler.uriTemplate == aURITemplate)
return true;
} catch (e) { /* it wasn't a web handler */ }
}
return false;
},
/**
* See nsIWebContentHandlerRegistrar
*/
registerProtocolHandler:
function WCCR_registerProtocolHandler(aProtocol, aURI, aTitle, aContentWindow) {
// not yet implemented
return;
function WCCR_registerProtocolHandler(aProtocol, aURIString, aTitle, aContentWindow) {
LOG("registerProtocolHandler(" + aProtocol + "," + aURIString + "," + aTitle + ")");
// First, check to make sure this isn't already handled internally (we don't
// want to let them take over, say "chrome").
var ios = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
var handler = ios.getProtocolHandler(aProtocol);
if (!(handler instanceof Ci.nsIExternalProtocolHandler)) {
// This is handled internally, so we don't want them to register
// XXX this should be a "security exception" according to spec, but that
// isn't defined yet.
throw("Permission denied to add " + aURIString + "as a protocol handler");
}
var uri = this._checkAndGetURI(aURIString);
var buttons, message;
if (this._protocolHandlerRegistered(aProtocol, uri.spec))
message = this._getFormattedString("protocolHandlerRegistered",
[aTitle, aProtocol]);
else {
// Now Ask the user and provide the proper callback
message = this._getFormattedString("addProtocolHandler",
[aTitle, uri.host, aProtocol]);
var fis = Cc["@mozilla.org/browser/favicon-service;1"].
getService(Ci.nsIFaviconService);
var notificationIcon = fis.getFaviconLinkForIcon(uri);
var notificationValue = "Protocol Registration: " + aProtocol;
var addButton = {
label: this._getString("addProtocolHandlerAddButton"),
accessKey: this._getString("addHandlerAddButtonAccesskey"),
protocolInfo: { protocol: aProtocol, uri: uri.spec, name: aTitle },
callback:
function WCCR_addProtocolHandlerButtonCallback(aNotification, aButtonInfo) {
var protocol = aButtonInfo.protocolInfo.protocol;
var uri = aButtonInfo.protocolInfo.uri;
var name = aButtonInfo.protocolInfo.name;
var handler = Cc["@mozilla.org/uriloader/web-handler-app;1"].
createInstance(Ci.nsIWebHandlerApp);
handler.name = name;
handler.uriTemplate = uri;
var eps = Cc["@mozilla.org/uriloader/external-protocol-service;1"].
getService(Ci.nsIExternalProtocolService);
var handlerInfo = eps.getProtocolHandlerInfo(protocol);
handlerInfo.possibleApplicationHandlers.appendElement(handler, false);
var hs = Cc["@mozilla.org/uriloader/handler-service;1"].
getService(Ci.nsIHandlerService);
hs.store(handlerInfo);
}
};
buttons = [addButton];
}
var browserWindow = this._getBrowserWindowForContentWindow(aContentWindow);
var browserElement = this._getBrowserForContentWindow(browserWindow, aContentWindow);
var notificationBox = browserWindow.getBrowser().getNotificationBox(browserElement);
notificationBox.appendNotification(message,
notificationValue,
notificationIcon,
notificationBox.PRIORITY_INFO_LOW,
buttons);
},
/**
@@ -350,16 +464,7 @@ var WebContentConverterRegistrar = {
if (contentType != TYPE_MAYBE_FEED)
return;
try {
var uri = this._makeURI(aURIString);
} catch (ex) {
// not supposed to throw according to spec
return;
}
// If the uri doesn't contain '%s', it won't be a good content handler
if (uri.spec.indexOf("%s") < 0)
throw NS_ERROR_DOM_SYNTAX_ERR;
var uri = this._checkAndGetURI(aURIString);
// For security reasons we reject non-http(s) urls (see bug Bug 354316),
// we may need to revise this once we support more content types