/**
* Create a WebCore response object so that it can be used by nativeReceivedResponse or
* nativeRedirectedToUrl
*
* @return native response pointer
*/
private int createNativeResponse() {
// The reason we change HTTP_NOT_MODIFIED to HTTP_OK is because we know
// that WebCore never sends the if-modified-since header. Our
// CacheManager does it for us. If the server responds with a 304, then
// we treat it like it was a 200 code and proceed with loading the file
// from the cache.
int statusCode = mStatusCode == HTTP_NOT_MODIFIED ? HTTP_OK : mStatusCode;
// pass content-type content-length and content-encoding
final int nativeResponse =
nativeCreateResponse(
mUrl,
statusCode,
mStatusText,
mMimeType,
mContentLength,
mEncoding,
mCacheResult == null ? 0 : mCacheResult.expires / 1000);
if (mHeaders != null) {
mHeaders.getHeaders(
new Headers.HeaderCallback() {
public void header(String name, String value) {
nativeSetResponseHeader(nativeResponse, name, value);
}
});
}
return nativeResponse;
}
@Override
public void endData() {
Xlog.d(XLOGTAG, "endData::mStatusCode is: " + mStatusCode + this);
if (mStatusCode == 200) {
if (mPosterBytes.size() > 0) {
Bitmap poster =
BitmapFactory.decodeByteArray(mPosterBytes.toByteArray(), 0, mPosterBytes.size());
mProxy.doSetPoster(poster);
}
cleanup();
} else if (mStatusCode >= 300 && mStatusCode < 400) {
// We have a redirect.
try {
mUrl = new URL(mHeaders.getLocation());
} catch (MalformedURLException e) {
mUrl = null;
}
if (mUrl != null) {
mHandler.post(
new Runnable() {
@Override
public void run() {
if (mRequestHandle != null) {
mRequestHandle.setupRedirect(
mUrl.toString(), mStatusCode, new HashMap<String, String>());
}
}
});
}
}
}
/*
* This function is called from native WebCore code to
* notify this LoadListener that the content it is currently
* downloading should be saved to a file and not sent to
* WebCore.
*/
void downloadFile() {
// Setting the Cache Result to null ensures that this
// content is not added to the cache
mCacheResult = null;
// Inform the client that they should download a file
mBrowserFrame
.getCallbackProxy()
.onDownloadStart(
url(),
mBrowserFrame.getUserAgentString(),
mHeaders.getContentDisposition(),
mMimeType,
mContentLength);
// Cancel the download. We need to stop the http load.
// The native loader object will get cleared by the call to
// cancel() but will also be cleared on the WebCore side
// when this function returns.
cancel();
}
/*
* Perform the actual redirection. This involves setting up the new URL,
* informing WebCore and then telling the Network to start loading again.
*/
private void doRedirect() {
// as cancel() can cancel the load before doRedirect() is
// called through handleMessage, needs to check to see if we
// are canceled before proceed
if (mCancelled) {
return;
}
String redirectTo = mHeaders.getLocation();
if (redirectTo != null) {
int nativeResponse = createNativeResponse();
redirectTo = nativeRedirectedToUrl(mUrl, redirectTo, nativeResponse);
// nativeRedirectedToUrl() may call cancel(), e.g. when redirect
// from a https site to a http site, check mCancelled again
if (mCancelled) {
return;
}
if (redirectTo == null) {
Log.d(LOGTAG, "Redirection failed for " + mHeaders.getLocation());
cancel();
return;
} else if (!URLUtil.isNetworkUrl(redirectTo)) {
final String text =
mContext.getString(com.android.internal.R.string.open_permission_deny)
+ "\n"
+ redirectTo;
nativeAddData(text.getBytes(), text.length());
nativeFinished();
clearNativeLoader();
return;
}
if (mOriginalUrl == null) {
mOriginalUrl = mUrl;
}
// Cache the redirect response
if (mCacheResult != null) {
if (getErrorID() == OK) {
CacheManager.saveCacheFile(mUrl, mCacheResult);
}
mCacheResult = null;
}
setUrl(redirectTo);
// Redirect may be in the cache
if (mRequestHeaders == null) {
mRequestHeaders = new HashMap<String, String>();
}
if (!checkCache(mRequestHeaders)) {
// mRequestHandle can be null when the request was satisfied
// by the cache, and the cache returned a redirect
if (mRequestHandle != null) {
mRequestHandle.setupRedirect(redirectTo, mStatusCode, mRequestHeaders);
} else {
String method = mMethod;
if (method == null) {
return;
}
Network network = Network.getInstance(getContext());
network.requestURL(method, mRequestHeaders, mPostData, this, mIsHighPriority);
}
}
} else {
cancel();
}
if (Config.LOGV) {
Log.v(LOGTAG, "LoadListener.onRedirect(): redirect to: " + redirectTo);
}
}
/**
* Parse the headers sent from the server.
*
* @param headers gives up the HeaderGroup IMPORTANT: as this is called from network thread, can't
* call native directly
*/
public void headers(Headers headers) {
if (Config.LOGV) Log.v(LOGTAG, "LoadListener.headers");
if (mCancelled) return;
mHeaders = headers;
mMimeType = "";
mEncoding = "";
ArrayList<String> cookies = headers.getSetCookie();
for (int i = 0; i < cookies.size(); ++i) {
CookieManager.getInstance().setCookie(mUri, cookies.get(i));
}
long contentLength = headers.getContentLength();
if (contentLength != Headers.NO_CONTENT_LENGTH) {
mContentLength = contentLength;
} else {
mContentLength = 0;
}
String contentType = headers.getContentType();
if (contentType != null) {
parseContentTypeHeader(contentType);
// If we have one of "generic" MIME types, try to deduce
// the right MIME type from the file extension (if any):
if (mMimeType.equalsIgnoreCase("text/plain")
|| mMimeType.equalsIgnoreCase("application/octet-stream")) {
String newMimeType = guessMimeTypeFromExtension();
if (newMimeType != null) {
mMimeType = newMimeType;
}
} else if (mMimeType.equalsIgnoreCase("text/vnd.wap.wml")) {
// As we don't support wml, render it as plain text
mMimeType = "text/plain";
} else {
// XXX: Until the servers send us either correct xhtml or
// text/html, treat application/xhtml+xml as text/html.
// It seems that xhtml+xml and vnd.wap.xhtml+xml mime
// subtypes are used interchangeably. So treat them the same.
if (mMimeType.equalsIgnoreCase("application/xhtml+xml")
|| mMimeType.equals("application/vnd.wap.xhtml+xml")) {
mMimeType = "text/html";
}
}
} else {
/* Often when servers respond with 304 Not Modified or a
Redirect, then they don't specify a MIMEType. When this
occurs, the function below is called. In the case of
304 Not Modified, the cached headers are used rather
than the headers that are returned from the server. */
guessMimeType();
}
// is it an authentication request?
boolean mustAuthenticate = (mStatusCode == HTTP_AUTH || mStatusCode == HTTP_PROXY_AUTH);
// is it a proxy authentication request?
boolean isProxyAuthRequest = (mStatusCode == HTTP_PROXY_AUTH);
// is this authentication request due to a failed attempt to
// authenticate ealier?
mAuthFailed = false;
// if we tried to authenticate ourselves last time
if (mAuthHeader != null) {
// we failed, if we must to authenticate again now and
// we have a proxy-ness match
mAuthFailed = (mustAuthenticate && isProxyAuthRequest == mAuthHeader.isProxy());
// if we did NOT fail and last authentication request was a
// proxy-authentication request
if (!mAuthFailed && mAuthHeader.isProxy()) {
Network network = Network.getInstance(mContext);
// if we have a valid proxy set
if (network.isValidProxySet()) {
/* The proxy credentials can be read in the WebCore thread
*/
synchronized (network) {
// save authentication credentials for pre-emptive proxy
// authentication
network.setProxyUsername(mAuthHeader.getUsername());
network.setProxyPassword(mAuthHeader.getPassword());
}
}
}
}
// it is only here that we can reset the last mAuthHeader object
// (if existed) and start a new one!!!
mAuthHeader = null;
if (mustAuthenticate) {
if (mStatusCode == HTTP_AUTH) {
mAuthHeader = parseAuthHeader(headers.getWwwAuthenticate());
} else {
mAuthHeader = parseAuthHeader(headers.getProxyAuthenticate());
// if successfully parsed the header
if (mAuthHeader != null) {
// mark the auth-header object as a proxy
mAuthHeader.setProxy();
}
}
}
// Only create a cache file if the server has responded positively.
if ((mStatusCode == HTTP_OK
|| mStatusCode == HTTP_FOUND
|| mStatusCode == HTTP_MOVED_PERMANENTLY
|| mStatusCode == HTTP_TEMPORARY_REDIRECT)
&& mNativeLoader != 0) {
// Content arriving from a StreamLoader (eg File, Cache or Data)
// will not be cached as they have the header:
// cache-control: no-store
mCacheResult = CacheManager.createCacheFile(mUrl, mStatusCode, headers, mMimeType, false);
if (mCacheResult != null) {
mCacheResult.encoding = mEncoding;
}
}
sendMessageInternal(obtainMessage(MSG_CONTENT_HEADERS));
}