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Code Issues Releases Wiki Activity

Do a native (Qt) request if the 'Referer' header was supplied

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This commit is contained in:
Uwe L. Korn
2014-06-06 00:32:32 +01:00
parent 4e9a088af4
commit 655e63f261
3 changed files with 137 additions and 16 deletions
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75
data/js/tomahawk.js
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@@ -277,6 +277,35 @@ Tomahawk.syncRequest = function (url, extraHeaders, options) {
}
};
/**
* Internal counter used to identify asyncRequest callback from native code.
*/
Tomahawk.asyncRequestIdCounter = 0;
/**
* Internal map used to map asyncRequestIds to the respective javascript
* callback functions.
*/
Tomahawk.asyncRequestCallbacks = {};
/**
* Pass the natively retrived reply back to the javascript callback
* and augment the fake XMLHttpRequest object.
*
* Internal use only!
*/
Tomahawk.nativeAsyncRequestDone = function (reqId, xhr) {
// Check we have a matching callback stored.
if (!Tomahawk.asyncRequestCallbacks.hasOwnProperty(reqId)) {
return;
}
// Call the real callback
Tomahawk.asyncRequestCallbacks[reqId](xhr);
// Callback are only used once.
delete Tomahawk.asyncRequestCallbacks[reqId];
};
/**
* Possible options:
* - method: The HTTP request method (default: GET)
@@ -289,26 +318,40 @@ Tomahawk.asyncRequest = function (url, callback, extraHeaders, options) {
// unpack options
var opt = options || {};
var method = opt.method || 'GET';
var doNativeRequest = false;
var xmlHttpRequest = new XMLHttpRequest();
xmlHttpRequest.open(method, url, true, opt.username, opt.password);
if (extraHeaders) {
for (var headerName in extraHeaders) {
xmlHttpRequest.setRequestHeader(headerName, extraHeaders[headerName]);
}
if (extraHeaders && (extraHeaders.hasOwnProperty("Referer") || extraHeaders.hasOwnProperty("referer"))) {
doNativeRequest = true;
}
xmlHttpRequest.onreadystatechange = function () {
if (xmlHttpRequest.readyState == 4 && xmlHttpRequest.status == 200) {
callback.call(window, xmlHttpRequest);
} else if (xmlHttpRequest.readyState === 4) {
Tomahawk.log("Failed to do " + method + " request: to: " + url);
Tomahawk.log("Status Code was: " + xmlHttpRequest.status);
if (opt.hasOwnProperty('errorHandler')) {
opt.errorHandler.call(window, xmlHttpRequest);
if (doNativeRequest) {
// Assign a request Id to the callback so we can use it when we are
// returning from the native call.
var reqId = Tomahawk.asyncRequestIdCounter;
Tomahawk.asyncRequestIdCounter++;
Tomahawk.asyncRequestCallbacks[reqId] = callback;
Tomahawk.nativeAsyncRequest(reqId, url, extraHeaders, options);
} else {
var xmlHttpRequest = new XMLHttpRequest();
xmlHttpRequest.open(method, url, true, opt.username, opt.password);
if (extraHeaders) {
for (var headerName in extraHeaders) {
xmlHttpRequest.setRequestHeader(headerName, extraHeaders[headerName]);
}
}
};
xmlHttpRequest.send(opt.data || null);
xmlHttpRequest.onreadystatechange = function () {
if (xmlHttpRequest.readyState == 4 && xmlHttpRequest.status == 200) {
callback.call(window, xmlHttpRequest);
} else if (xmlHttpRequest.readyState === 4) {
Tomahawk.log("Failed to do " + method + " request: to: " + url);
Tomahawk.log("Status Code was: " + xmlHttpRequest.status);
if (opt.hasOwnProperty('errorHandler')) {
opt.errorHandler.call(window, xmlHttpRequest);
}
}
};
xmlHttpRequest.send(opt.data || null);
}
};
Tomahawk.sha256 = Tomahawk.sha256 || CryptoJS.SHA256;