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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set et cin ts=4 sw=4 sts=4: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsHttpChannelAuthProvider_h__
#define nsHttpChannelAuthProvider_h__
#include "nsIHttpChannelAuthProvider.h"
#include "nsIAuthPromptCallback.h"
#include "nsIHttpAuthenticatorCallback.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsHttpAuthCache.h"
#include "nsProxyInfo.h"
#include "nsCRT.h"
#include "nsICancelableRunnable.h"
class nsIHttpAuthenticableChannel;
class nsIHttpAuthenticator;
class nsIURI;
namespace mozilla { namespace net {
class nsHttpHandler;
class nsHttpChannelAuthProvider : public nsIHttpChannelAuthProvider
, public nsIAuthPromptCallback
, public nsIHttpAuthenticatorCallback
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICANCELABLE
NS_DECL_NSIHTTPCHANNELAUTHPROVIDER
NS_DECL_NSIAUTHPROMPTCALLBACK
NS_DECL_NSIHTTPAUTHENTICATORCALLBACK
nsHttpChannelAuthProvider();
static void InitializePrefs();
private:
virtual ~nsHttpChannelAuthProvider();
const char *ProxyHost() const
{ return mProxyInfo ? mProxyInfo->Host().get() : nullptr; }
int32_t ProxyPort() const
{ return mProxyInfo ? mProxyInfo->Port() : -1; }
const char *Host() const { return mHost.get(); }
int32_t Port() const { return mPort; }
bool UsingSSL() const { return mUsingSSL; }
bool UsingHttpProxy() const
{ return mProxyInfo && (mProxyInfo->IsHTTP() || mProxyInfo->IsHTTPS()); }
nsresult PrepareForAuthentication(bool proxyAuth);
nsresult GenCredsAndSetEntry(nsIHttpAuthenticator *, bool proxyAuth,
const char *scheme, const char *host,
int32_t port, const char *dir,
const char *realm, const char *challenge,
const nsHttpAuthIdentity &ident,
nsCOMPtr<nsISupports> &session, char **result);
nsresult GetAuthenticator(const char *challenge, nsCString &scheme,
nsIHttpAuthenticator **auth);
void ParseRealm(const char *challenge, nsACString &realm);
void GetIdentityFromURI(uint32_t authFlags, nsHttpAuthIdentity&);
/**
* Following three methods return NS_ERROR_IN_PROGRESS when
* nsIAuthPrompt2.asyncPromptAuth method is called. This result indicates
* the user's decision will be gathered in a callback and is not an actual
* error.
*/
nsresult GetCredentials(const char *challenges, bool proxyAuth,
nsAFlatCString &creds);
nsresult GetCredentialsForChallenge(const char *challenge,
const char *scheme, bool proxyAuth,
nsIHttpAuthenticator *auth,
nsAFlatCString &creds);
nsresult PromptForIdentity(uint32_t level, bool proxyAuth,
const char *realm, const char *authType,
uint32_t authFlags, nsHttpAuthIdentity &);
bool ConfirmAuth(const nsString &bundleKey, bool doYesNoPrompt);
void SetAuthorizationHeader(nsHttpAuthCache *, nsHttpAtom header,
const char *scheme, const char *host,
int32_t port, const char *path,
nsHttpAuthIdentity &ident);
nsresult GetCurrentPath(nsACString &);
/**
* Return all information needed to build authorization information,
* all parameters except proxyAuth are out parameters. proxyAuth specifies
* with what authorization we work (WWW or proxy).
*/
nsresult GetAuthorizationMembers(bool proxyAuth, nsCSubstring& scheme,
const char*& host, int32_t& port,
nsCSubstring& path,
nsHttpAuthIdentity*& ident,
nsISupports**& continuationState);
/**
* Method called to resume suspended transaction after we got credentials
* from the user. Called from OnAuthAvailable callback or OnAuthCancelled
* when credentials for next challenge were obtained synchronously.
*/
nsresult ContinueOnAuthAvailable(const nsCSubstring& creds);
nsresult DoRedirectChannelToHttps();
/**
* A function that takes care of reading STS headers and enforcing STS
* load rules. After a secure channel is erected, STS requires the channel
* to be trusted or any STS header data on the channel is ignored.
* This is called from ProcessResponse.
*/
nsresult ProcessSTSHeader();
// Depending on the pref setting, the authentication dialog may be blocked
// for all sub-resources, blocked for cross-origin sub-resources, or
// always allowed for sub-resources.
// For more details look at the bug 647010.
bool BlockPrompt();
// Store credentials to the cache when appropriate aFlags are set.
nsresult UpdateCache(nsIHttpAuthenticator *aAuth,
const char *aScheme,
const char *aHost,
int32_t aPort,
const char *aDirectory,
const char *aRealm,
const char *aChallenge,
const nsHttpAuthIdentity &aIdent,
const char *aCreds,
uint32_t aGenerateFlags,
nsISupports *aSessionState);
private:
nsIHttpAuthenticableChannel *mAuthChannel; // weak ref
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsProxyInfo> mProxyInfo;
nsCString mHost;
int32_t mPort;
bool mUsingSSL;
bool mProxyUsingSSL;
bool mIsPrivate;
nsISupports *mProxyAuthContinuationState;
nsCString mProxyAuthType;
nsISupports *mAuthContinuationState;
nsCString mAuthType;
nsHttpAuthIdentity mIdent;
nsHttpAuthIdentity mProxyIdent;
// Reference to the prompt waiting in prompt queue. The channel is
// responsible to call its cancel method when user in any way cancels
// this request.
nsCOMPtr<nsICancelable> mAsyncPromptAuthCancelable;
// Saved in GetCredentials when prompt is asynchronous, the first challenge
// we obtained from the server with 401/407 response, will be processed in
// OnAuthAvailable callback.
nsCString mCurrentChallenge;
// Saved in GetCredentials when prompt is asynchronous, remaning challenges
// we have to process when user cancels the auth dialog for the current
// challenge.
nsCString mRemainingChallenges;
// True when we need to authenticate to proxy, i.e. when we get 407
// response. Used in OnAuthAvailable and OnAuthCancelled callbacks.
uint32_t mProxyAuth : 1;
uint32_t mTriedProxyAuth : 1;
uint32_t mTriedHostAuth : 1;
uint32_t mSuppressDefensiveAuth : 1;
// If a cross-origin sub-resource is being loaded, this flag will be set.
// In that case, the prompt text will be different to warn users.
uint32_t mCrossOrigin : 1;
uint32_t mConnectionBased : 1;
RefPtr<nsHttpHandler> mHttpHandler; // keep gHttpHandler alive
// Variables holding the preference settings for whether to open HTTP
// authentication credentials dialogs for sub-resources and cross-origin
// sub-resources.
static uint32_t sAuthAllowPref;
static bool sImgCrossOriginAuthAllowPref;
nsCOMPtr<nsICancelable> mGenerateCredentialsCancelable;
};
} // namespace net
} // namespace mozilla
#endif // nsHttpChannelAuthProvider_h__
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