/**
* 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));
}
