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-rw-r--r--embedding/components/windowwatcher/nsPromptUtils.h141
1 files changed, 141 insertions, 0 deletions
diff --git a/embedding/components/windowwatcher/nsPromptUtils.h b/embedding/components/windowwatcher/nsPromptUtils.h
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+++ b/embedding/components/windowwatcher/nsPromptUtils.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 NSPROMPTUTILS_H_
+#define NSPROMPTUTILS_H_
+
+#include "nsIHttpChannel.h"
+
+/**
+ * @file
+ * This file defines some helper functions that simplify interaction
+ * with authentication prompts.
+ */
+
+/**
+ * Given a username (possibly in DOMAIN\user form) and password, parses the
+ * domain out of the username if necessary and sets domain, username and
+ * password on the auth information object.
+ */
+inline void
+NS_SetAuthInfo(nsIAuthInformation* aAuthInfo, const nsString& aUser,
+ const nsString& aPassword)
+{
+ uint32_t flags;
+ aAuthInfo->GetFlags(&flags);
+ if (flags & nsIAuthInformation::NEED_DOMAIN) {
+ // Domain is separated from username by a backslash
+ int32_t idx = aUser.FindChar(char16_t('\\'));
+ if (idx == kNotFound) {
+ aAuthInfo->SetUsername(aUser);
+ } else {
+ aAuthInfo->SetDomain(Substring(aUser, 0, idx));
+ aAuthInfo->SetUsername(Substring(aUser, idx + 1));
+ }
+ } else {
+ aAuthInfo->SetUsername(aUser);
+ }
+ aAuthInfo->SetPassword(aPassword);
+}
+
+/**
+ * Gets the host and port from a channel and authentication info. This is the
+ * "logical" host and port for this authentication, i.e. for a proxy
+ * authentication it refers to the proxy, while for a host authentication it
+ * is the actual host.
+ *
+ * @param machineProcessing
+ * When this parameter is true, the host will be returned in ASCII
+ * (instead of UTF-8; this is relevant when IDN is used). In addition,
+ * the port will be returned as the real port even when it was not
+ * explicitly specified (when false, the port will be returned as -1 in
+ * this case)
+ */
+inline void
+NS_GetAuthHostPort(nsIChannel* aChannel, nsIAuthInformation* aAuthInfo,
+ bool aMachineProcessing, nsCString& aHost, int32_t* aPort)
+{
+ nsCOMPtr<nsIURI> uri;
+ nsresult rv = aChannel->GetURI(getter_AddRefs(uri));
+ if (NS_FAILED(rv)) {
+ return;
+ }
+
+ // Have to distinguish proxy auth and host auth here...
+ uint32_t flags;
+ aAuthInfo->GetFlags(&flags);
+ if (flags & nsIAuthInformation::AUTH_PROXY) {
+ nsCOMPtr<nsIProxiedChannel> proxied(do_QueryInterface(aChannel));
+ NS_ASSERTION(proxied, "proxy auth needs nsIProxiedChannel");
+
+ nsCOMPtr<nsIProxyInfo> info;
+ proxied->GetProxyInfo(getter_AddRefs(info));
+ NS_ASSERTION(info, "proxy auth needs nsIProxyInfo");
+
+ nsAutoCString idnhost;
+ info->GetHost(idnhost);
+ info->GetPort(aPort);
+
+ if (aMachineProcessing) {
+ nsCOMPtr<nsIIDNService> idnService =
+ do_GetService(NS_IDNSERVICE_CONTRACTID);
+ if (idnService) {
+ idnService->ConvertUTF8toACE(idnhost, aHost);
+ } else {
+ // Not much we can do here...
+ aHost = idnhost;
+ }
+ } else {
+ aHost = idnhost;
+ }
+ } else {
+ if (aMachineProcessing) {
+ uri->GetAsciiHost(aHost);
+ *aPort = NS_GetRealPort(uri);
+ } else {
+ uri->GetHost(aHost);
+ uri->GetPort(aPort);
+ }
+ }
+}
+
+/**
+ * Creates the key for looking up passwords in the password manager. This
+ * function uses the same format that Gecko functions have always used, thus
+ * ensuring backwards compatibility.
+ */
+inline void
+NS_GetAuthKey(nsIChannel* aChannel, nsIAuthInformation* aAuthInfo,
+ nsCString& aKey)
+{
+ // HTTP does this differently from other protocols
+ nsCOMPtr<nsIHttpChannel> http(do_QueryInterface(aChannel));
+ if (!http) {
+ nsCOMPtr<nsIURI> uri;
+ aChannel->GetURI(getter_AddRefs(uri));
+ uri->GetPrePath(aKey);
+ return;
+ }
+
+ // NOTE: For backwards-compatibility reasons, this must be the ASCII host.
+ nsCString host;
+ int32_t port = -1;
+
+ NS_GetAuthHostPort(aChannel, aAuthInfo, true, host, &port);
+
+ nsAutoString realm;
+ aAuthInfo->GetRealm(realm);
+
+ // Now assemble the key: host:port (realm)
+ aKey.Append(host);
+ aKey.Append(':');
+ aKey.AppendInt(port);
+ aKey.AppendLiteral(" (");
+ AppendUTF16toUTF8(realm, aKey);
+ aKey.Append(')');
+}
+
+#endif