Adding finger protocol. To use it, enter a URL such as

"finger:user@host".  This is not hooked up to the build yet. r=valeski.


git-svn-id: svn://10.0.0.236/trunk@59552 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/finger/Makefile.in

@@ -0,0 +1,41 @@
+#
+# The contents of this file are subject to the Netscape Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/NPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): 
+#
+
+DEPTH		= ../../../..
+topsrcdir	= @top_srcdir@
+srcdir		= @srcdir@
+VPATH		= @srcdir@
+
+include $(DEPTH)/config/autoconf.mk
+
+MODULE		= necko
+LIBRARY_NAME	= necko_finger
+IS_COMPONENT	= 1
+
+CPPSRCS		= \
+		nsFingerHandler.cpp \
+		nsFingerChannel.cpp \
+		nsFingerModule.cpp \
+		$(NULL)
+
+EXTRA_DSO_LDOPTS += $(MOZ_COMPONENT_LIBS)
+
+include $(topsrcdir)/config/rules.mk

mozilla/extensions/finger/nsFingerChannel.cpp

@@ -0,0 +1,422 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+// finger implementation
+
+#include "nsFingerChannel.h"
+#include "nsIServiceManager.h"
+#include "nsILoadGroup.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsXPIDLString.h"
+#include "nsISocketTransportService.h"
+#include "nsIStringStream.h"
+
+static NS_DEFINE_CID(kSocketTransportServiceCID, NS_SOCKETTRANSPORTSERVICE_CID);
+
+#define BUFFER_SEG_SIZE (4*1024)
+#define BUFFER_MAX_SIZE (64*1024)
+
+// nsFingerChannel methods
+nsFingerChannel::nsFingerChannel():
+ mContentLength(-1),
+ mActAsObserver(PR_TRUE),
+ mPort(-1)
+{
+    NS_INIT_REFCNT();
+}
+
+nsFingerChannel::~nsFingerChannel() {
+}
+
+NS_IMPL_ISUPPORTS4(nsFingerChannel, nsIChannel, nsIRequest,
+                   nsIStreamListener, nsIStreamObserver)
+
+nsresult
+nsFingerChannel::Init(const char* verb, 
+                    nsIURI* uri, 
+                    nsILoadGroup* aLoadGroup,
+                    nsIInterfaceRequestor* notificationCallbacks, 
+                    nsLoadFlags loadAttributes,
+                    nsIURI* originalURI,
+                    PRUint32 bufferSegmentSize,
+                    PRUint32 bufferMaxSize)
+{
+    nsresult rv;
+    nsXPIDLCString autoBuffer;
+
+    NS_ASSERTION(uri, "no uri");
+
+    mOriginalURI = originalURI ? originalURI : uri;
+    mUrl = uri;
+
+    rv = mUrl->GetPort(&mPort);
+    if (NS_FAILED(rv) || mPort < 1)
+        mPort = FINGER_PORT;
+
+    rv = mUrl->GetPath(getter_Copies(autoBuffer)); // autoBuffer = user@host
+    if (NS_FAILED(rv)) return rv;
+
+    nsCString cString(autoBuffer);
+    nsCString tempBuf;
+
+    PRUint32 i;
+
+    // Now parse out the user and host
+    for (i=0; cString[i] != '\0'; i++) {
+      if (cString[i] == '@') {
+        cString.Left(tempBuf, i);
+        mUser = tempBuf;
+        cString.Right(tempBuf, cString.Length() - i - 1);
+        mHost = tempBuf;
+        break;
+       }
+    }
+
+    // Catch the case of just the host being given
+
+    if (cString[i] == '\0') {
+      mHost = cString;
+    }
+
+#ifdef DEBUG_bryner
+    printf("Status:mUser = %s, mHost = %s\n", (const char*)mUser,
+            (const char*)mHost);
+#endif
+    if (!*(const char *)mHost) return NS_ERROR_NOT_INITIALIZED;
+
+    rv = SetLoadAttributes(loadAttributes);
+    if (NS_FAILED(rv)) return rv;
+    rv = SetLoadGroup(aLoadGroup);
+    if (NS_FAILED(rv)) return rv;
+    rv = SetNotificationCallbacks(notificationCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    return NS_OK;
+}
+
+NS_METHOD
+nsFingerChannel::Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult)
+{
+    nsFingerChannel* fc = new nsFingerChannel();
+    if (fc == nsnull)
+        return NS_ERROR_OUT_OF_MEMORY;
+    NS_ADDREF(fc);
+    nsresult rv = fc->QueryInterface(aIID, aResult);
+    NS_RELEASE(fc);
+    return rv;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIRequest methods:
+
+NS_IMETHODIMP
+nsFingerChannel::IsPending(PRBool *result)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::Cancel(void)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::Suspend(void)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::Resume(void)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIChannel methods:
+
+NS_IMETHODIMP
+nsFingerChannel::GetOriginalURI(nsIURI * *aURI)
+{
+    *aURI = mOriginalURI;
+    NS_ADDREF(*aURI);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetURI(nsIURI * *aURI)
+{
+    *aURI = mUrl;
+    NS_IF_ADDREF(*aURI);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::OpenInputStream(PRUint32 startPosition, PRInt32 readCount,
+                              nsIInputStream **_retval)
+{
+    nsresult rv = NS_OK;
+
+    NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
+    if (NS_FAILED(rv)) return rv;
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = socketService->CreateTransport(mHost, mPort, mHost, BUFFER_SEG_SIZE,
+            BUFFER_MAX_SIZE, getter_AddRefs(channel));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->SetNotificationCallbacks(mCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    return channel->OpenInputStream(startPosition, readCount, _retval);
+}
+
+NS_IMETHODIMP
+nsFingerChannel::OpenOutputStream(PRUint32 startPosition, nsIOutputStream **_retval)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::AsyncOpen(nsIStreamObserver *observer, nsISupports* ctxt)
+{
+    nsresult rv = NS_OK;
+
+    NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
+    if (NS_FAILED(rv)) return rv;
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = socketService->CreateTransport(mHost, mPort, mHost, BUFFER_SEG_SIZE,
+      BUFFER_MAX_SIZE, getter_AddRefs(channel));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->SetNotificationCallbacks(mCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    return channel->AsyncOpen(observer, ctxt);
+}
+
+NS_IMETHODIMP
+nsFingerChannel::AsyncRead(PRUint32 startPosition, PRInt32 readCount,
+                        nsISupports *ctxt,
+                        nsIStreamListener *aListener)
+{
+    nsresult rv = NS_OK;
+
+    NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
+    if (NS_FAILED(rv)) return rv;
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = socketService->CreateTransport(mHost, mPort, mHost, BUFFER_SEG_SIZE,
+      BUFFER_MAX_SIZE, getter_AddRefs(channel));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->SetNotificationCallbacks(mCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    mListener = aListener;
+
+    return SendRequest(channel);
+}
+
+NS_IMETHODIMP
+nsFingerChannel::AsyncWrite(nsIInputStream *fromStream,
+                         PRUint32 startPosition,
+                         PRInt32 writeCount,
+                         nsISupports *ctxt,
+                         nsIStreamObserver *observer)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetLoadAttributes(PRUint32 *aLoadAttributes)
+{
+    *aLoadAttributes = mLoadAttributes;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetLoadAttributes(PRUint32 aLoadAttributes)
+{
+    mLoadAttributes = aLoadAttributes;
+    return NS_OK;
+}
+
+#define FINGER_TYPE "text/plain"
+
+NS_IMETHODIMP
+nsFingerChannel::GetContentType(char* *aContentType) {
+    if (!aContentType) return NS_ERROR_NULL_POINTER;
+
+    *aContentType = nsCRT::strdup(FINGER_TYPE);
+    if (!*aContentType) return NS_ERROR_OUT_OF_MEMORY;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetContentType(const char *aContentType)
+{
+    //It doesn't make sense to set the content-type on this type
+    // of channel...
+    return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetContentLength(PRInt32 *aContentLength)
+{
+    *aContentLength = mContentLength;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
+{
+    *aLoadGroup = mLoadGroup;
+    NS_IF_ADDREF(*aLoadGroup);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
+{
+    if (mLoadGroup) // if we already had a load group remove ourselves...
+      (void)mLoadGroup->RemoveChannel(this, nsnull, nsnull, nsnull);
+
+    mLoadGroup = aLoadGroup;
+    if (mLoadGroup) {
+        return mLoadGroup->AddChannel(this, nsnull);
+    }
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetOwner(nsISupports* *aOwner)
+{
+    *aOwner = mOwner.get();
+    NS_IF_ADDREF(*aOwner);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetOwner(nsISupports* aOwner)
+{
+    mOwner = aOwner;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetNotificationCallbacks(nsIInterfaceRequestor* *aNotificationCallbacks)
+{
+    *aNotificationCallbacks = mCallbacks.get();
+    NS_IF_ADDREF(*aNotificationCallbacks);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetNotificationCallbacks(nsIInterfaceRequestor* aNotificationCallbacks)
+{
+    mCallbacks = aNotificationCallbacks;
+    return NS_OK;
+}
+
+
+// nsIStreamObserver methods
+NS_IMETHODIMP
+nsFingerChannel::OnStartRequest(nsIChannel *aChannel, nsISupports *aContext) {
+    if (!mActAsObserver) {
+      // acting as a listener
+      return mListener->OnStartRequest(this, aContext);
+    } else {
+      // we don't want to pass our AsyncWrite's OnStart through
+      // we just ignore this
+      return NS_OK;
+    }
+}
+
+
+NS_IMETHODIMP
+nsFingerChannel::OnStopRequest(nsIChannel* aChannel, nsISupports* aContext,
+                                      nsresult aStatus, const PRUnichar* aMsg) {
+#ifdef DEBUG_bryner
+    printf("nsFingerChannel::OnStopRequest, mActAsObserver=%d\n",
+            mActAsObserver);
+    printf("  aChannel = %p\n", aChannel);
+#endif
+    nsresult rv = NS_OK;
+
+    if (!mActAsObserver) {
+        if (mLoadGroup) {
+          rv = mLoadGroup->RemoveChannel(this, nsnull, aStatus, aMsg);
+          if (NS_FAILED(rv)) return rv;
+        }
+        return mListener->OnStopRequest(this, aContext, aStatus, aMsg);
+    } else {
+        // at this point we know the request has been sent.
+        // we're no longer acting as an observer.
+ 
+        mActAsObserver = PR_FALSE;
+        return aChannel->AsyncRead(0, -1, 0, this);
+    }
+
+}
+
+
+// nsIStreamListener method
+NS_IMETHODIMP
+nsFingerChannel::OnDataAvailable(nsIChannel* aChannel, nsISupports* aContext,
+                               nsIInputStream *aInputStream, PRUint32 aSourceOffset,
+                               PRUint32 aLength) {
+    mContentLength = aLength;
+    return mListener->OnDataAvailable(this, aContext, aInputStream, aSourceOffset, aLength);
+}
+
+nsresult
+nsFingerChannel::SendRequest(nsIChannel* aChannel) {
+  // The text to send should already be in mUser
+
+  nsresult rv = NS_OK;
+  nsCOMPtr<nsISupports> result;
+  nsCOMPtr<nsIInputStream> charstream;
+  nsCString requestBuffer(mUser);
+
+  requestBuffer.Append(CRLF);
+
+  mRequest = requestBuffer.ToNewCString();
+
+  rv = NS_NewCharInputStream(getter_AddRefs(result), mRequest);
+  if (NS_FAILED(rv)) return rv;
+
+  charstream = do_QueryInterface(result, &rv);
+  if (NS_FAILED(rv)) return rv;
+
+#ifdef DEBUG_bryner
+  printf("Sending: %s\n", requestBuffer.GetBuffer());
+#endif
+
+  rv = aChannel->AsyncWrite(charstream, 0, requestBuffer.Length(), 0,
+                            this);
+  return rv;
+}
+
+

mozilla/extensions/finger/nsFingerChannel.h

@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+// A datetime channel retrieves date time information from 
+// RFC 867 compliant datetime servers. The date/time returned
+// to the caller is of MIME type "text/plain".
+
+#ifndef nsFingerChannel_h___
+#define nsFingerChannel_h___
+
+#include "nsString2.h"
+#include "nsILoadGroup.h"
+#include "nsIInputStream.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsCOMPtr.h"
+#include "nsXPIDLString.h"
+#include "nsIChannel.h"
+#include "nsIURI.h"
+#include "nsFingerHandler.h"
+#include "nsIStreamListener.h"
+
+
+class nsFingerChannel : public nsIChannel, public nsIStreamListener {
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIREQUEST
+    NS_DECL_NSICHANNEL
+    NS_DECL_NSISTREAMLISTENER
+    NS_DECL_NSISTREAMOBSERVER
+
+    // nsFingerChannel methods:
+    nsFingerChannel();
+    virtual ~nsFingerChannel();
+
+    // Define a Create method to be used with a factory:
+    static NS_METHOD
+    Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult);
+    
+    nsresult Init(const char* verb, 
+                  nsIURI* uri, 
+                  nsILoadGroup* aLoadGroup,
+                  nsIInterfaceRequestor* notificationCallbacks, 
+                  nsLoadFlags loadAttributes,
+                  nsIURI* originalURI,
+                  PRUint32 bufferSegmentSize,
+                  PRUint32 bufferMaxSize);
+
+protected:
+    nsCOMPtr<nsIInterfaceRequestor>     mCallbacks;
+    nsCOMPtr<nsIURI>                    mOriginalURI;
+    nsCOMPtr<nsIURI>                    mUrl;
+    nsCOMPtr<nsIStreamListener>         mListener;
+    PRUint32                            mLoadAttributes;
+    nsCOMPtr<nsILoadGroup>              mLoadGroup;
+    nsCString                           mContentType;
+    PRInt32                             mContentLength;
+    nsCOMPtr<nsISupports>               mOwner; 
+    PRUint32                            mBufferSegmentSize;
+    PRUint32                            mBufferMaxSize;
+    PRBool                              mActAsObserver;
+
+    PRInt32                             mPort;
+    nsXPIDLCString                      mHost;
+    nsXPIDLCString                      mUser;
+
+    nsXPIDLCString                      mRequest;
+
+protected:
+    nsresult SendRequest(nsIChannel* aChannel);
+};
+
+#endif /* nsFingerChannel_h___ */

mozilla/extensions/finger/nsFingerHandler.cpp

@@ -0,0 +1,127 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+#include "nspr.h"
+#include "nsFingerChannel.h"
+#include "nsFingerHandler.h"
+#include "nsIURL.h"
+#include "nsCRT.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIProgressEventSink.h"
+
+// Using StandardURL instead of SimpleURI so that we can get the
+// username and port parsed for us.  We ignore the path.
+
+static NS_DEFINE_CID(kSimpleURICID, NS_SIMPLEURI_CID);
+
+////////////////////////////////////////////////////////////////////////////////
+
+nsFingerHandler::nsFingerHandler() {
+    NS_INIT_REFCNT();
+}
+
+nsFingerHandler::~nsFingerHandler() {
+}
+
+NS_IMPL_ISUPPORTS(nsFingerHandler, NS_GET_IID(nsIProtocolHandler));
+
+NS_METHOD
+nsFingerHandler::Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult) {
+
+    nsFingerHandler* ph = new nsFingerHandler();
+    if (ph == nsnull)
+        return NS_ERROR_OUT_OF_MEMORY;
+    NS_ADDREF(ph);
+    nsresult rv = ph->QueryInterface(aIID, aResult);
+    NS_RELEASE(ph);
+    return rv;
+}
+    
+////////////////////////////////////////////////////////////////////////////////
+// nsIProtocolHandler methods:
+
+NS_IMETHODIMP
+nsFingerHandler::GetScheme(char* *result) {
+    *result = nsCRT::strdup("finger");
+    if (!*result) return NS_ERROR_OUT_OF_MEMORY;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerHandler::GetDefaultPort(PRInt32 *result) {
+    *result = FINGER_PORT;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerHandler::NewURI(const char *aSpec, nsIURI *aBaseURI,
+                             nsIURI **result) {
+    nsresult rv;
+
+    // no concept of a relative finger url
+    NS_ASSERTION(!aBaseURI, "base url passed into finger protocol handler");
+
+    nsIURI* url;
+    rv = nsComponentManager::CreateInstance(kSimpleURICID, nsnull,
+                                            NS_GET_IID(nsIURI),
+                                            (void**)&url);
+    if (NS_FAILED(rv)) return rv;
+    rv = url->SetSpec((char*)aSpec);
+    if (NS_FAILED(rv)) {
+        NS_RELEASE(url);
+        return rv;
+    }
+
+    *result = url;
+    return rv;
+}
+
+NS_IMETHODIMP
+nsFingerHandler::NewChannel(const char* verb, nsIURI* url,
+                          nsILoadGroup* aLoadGroup,
+                          nsIInterfaceRequestor* notificationCallbacks,
+                          nsLoadFlags loadAttributes,
+                          nsIURI* originalURI,
+                          PRUint32 bufferSegmentSize,
+                          PRUint32 bufferMaxSize,
+                          nsIChannel* *result)
+{
+    nsresult rv;
+    
+    nsFingerChannel* channel;
+    rv = nsFingerChannel::Create(nsnull, NS_GET_IID(nsIChannel), (void**)&channel);
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->Init(verb, url, aLoadGroup, notificationCallbacks,
+                       loadAttributes, originalURI, bufferSegmentSize, bufferMaxSize);
+    if (NS_FAILED(rv)) {
+        NS_RELEASE(channel);
+        return rv;
+    }
+
+    *result = channel;
+    return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////

mozilla/extensions/finger/nsFingerHandler.h

@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+// The finger protocol handler creates "finger" URIs of the form
+// "finger:user@host" or "finger:host".
+
+#ifndef nsFingerHandler_h___
+#define nsFingerHandler_h___
+
+#include "nsIProtocolHandler.h"
+
+#define FINGER_PORT 79
+
+// {0x76d6d5d8-1dd2-11b2-b361-850ddf15ef07}
+#define NS_FINGERHANDLER_CID     \
+{ 0x76d6d5d8, 0x1dd2, 0x11b2, \
+   {0xb3, 0x61, 0x85, 0x0d, 0xdf, 0x15, 0xef, 0x07} }
+
+class nsFingerHandler : public nsIProtocolHandler
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIPROTOCOLHANDLER
+
+    // nsFingerHandler methods:
+    nsFingerHandler();
+    virtual ~nsFingerHandler();
+
+    // Define a Create method to be used with a factory:
+    static NS_METHOD Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult);
+};
+
+#endif /* nsFingerHandler_h___ */

mozilla/extensions/finger/nsFingerModule.cpp

@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+#include "nsIGenericFactory.h"
+#include "nsFingerHandler.h"
+
+static nsModuleComponentInfo gResComponents[] = {
+    { "The Finger Protocol Handler", 
+      NS_FINGERHANDLER_CID,
+      NS_NETWORK_PROTOCOL_PROGID_PREFIX "finger",
+      nsFingerHandler::Create
+    }
+};
+
+NS_IMPL_NSGETMODULE("finger", gResComponents)

mozilla/netwerk/protocol/finger/Makefile.in

@@ -0,0 +1,31 @@
+#
+# The contents of this file are subject to the Netscape Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/NPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): 
+#
+
+DEPTH		= ../../..
+topsrcdir	= @top_srcdir@
+srcdir		= @srcdir@
+VPATH		= @srcdir@
+
+include $(DEPTH)/config/autoconf.mk
+
+DIRS		= src
+
+include $(topsrcdir)/config/rules.mk

mozilla/netwerk/protocol/finger/makefile.win

@@ -0,0 +1,30 @@
+#!gmake
+#
+# The contents of this file are subject to the Netscape Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/NPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): 
+
+DEPTH = ..\..\..
+
+MODULE = necko
+
+DIRS=      \
+    src    \
+    $(NULL)
+
+include <$(DEPTH)\config\rules.mak>

mozilla/netwerk/protocol/finger/src/Makefile.in

@@ -0,0 +1,41 @@
+#
+# The contents of this file are subject to the Netscape Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/NPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): 
+#
+
+DEPTH		= ../../../..
+topsrcdir	= @top_srcdir@
+srcdir		= @srcdir@
+VPATH		= @srcdir@
+
+include $(DEPTH)/config/autoconf.mk
+
+MODULE		= necko
+LIBRARY_NAME	= necko_finger
+IS_COMPONENT	= 1
+
+CPPSRCS		= \
+		nsFingerHandler.cpp \
+		nsFingerChannel.cpp \
+		nsFingerModule.cpp \
+		$(NULL)
+
+EXTRA_DSO_LDOPTS += $(MOZ_COMPONENT_LIBS)
+
+include $(topsrcdir)/config/rules.mk

mozilla/netwerk/protocol/finger/src/makefile.win

@@ -0,0 +1,49 @@
+# The contents of this file are subject to the Netscape Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/NPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): 
+
+MODULE = necko
+
+DEPTH = ..\..\..\..
+
+MAKE_OBJ_TYPE=DLL
+DLLNAME=nkfinger
+DLL=.\$(OBJDIR)\$(DLLNAME).dll
+
+LCFLAGS = -DWIN32_LEAN_AND_MEAN -D_IMPL_NS_NET
+
+CPP_OBJS =                                 \
+        .\$(OBJDIR)\nsFingerHandler.obj      \
+        .\$(OBJDIR)\nsFingerChannel.obj      \
+        .\$(OBJDIR)\nsFingerModule.obj       \
+        $(NULL)
+
+LLIBS=                                     \
+        $(DIST)\lib\necko.lib              \
+        $(DIST)\lib\xpcom.lib              \
+        $(LIBNSPR)  
+
+INCS = $(INCS)                  \
+        -I$(DEPTH)\dist\include \
+        $(NULL)
+
+include <$(DEPTH)\config\rules.mak>
+
+install:: $(DLL)
+	$(MAKE_INSTALL) .\$(OBJDIR)\$(DLLNAME).dll $(DIST)\bin\components
+

mozilla/netwerk/protocol/finger/src/nsFingerChannel.cpp

@@ -0,0 +1,422 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+// finger implementation
+
+#include "nsFingerChannel.h"
+#include "nsIServiceManager.h"
+#include "nsILoadGroup.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsXPIDLString.h"
+#include "nsISocketTransportService.h"
+#include "nsIStringStream.h"
+
+static NS_DEFINE_CID(kSocketTransportServiceCID, NS_SOCKETTRANSPORTSERVICE_CID);
+
+#define BUFFER_SEG_SIZE (4*1024)
+#define BUFFER_MAX_SIZE (64*1024)
+
+// nsFingerChannel methods
+nsFingerChannel::nsFingerChannel():
+ mContentLength(-1),
+ mActAsObserver(PR_TRUE),
+ mPort(-1)
+{
+    NS_INIT_REFCNT();
+}
+
+nsFingerChannel::~nsFingerChannel() {
+}
+
+NS_IMPL_ISUPPORTS4(nsFingerChannel, nsIChannel, nsIRequest,
+                   nsIStreamListener, nsIStreamObserver)
+
+nsresult
+nsFingerChannel::Init(const char* verb, 
+                    nsIURI* uri, 
+                    nsILoadGroup* aLoadGroup,
+                    nsIInterfaceRequestor* notificationCallbacks, 
+                    nsLoadFlags loadAttributes,
+                    nsIURI* originalURI,
+                    PRUint32 bufferSegmentSize,
+                    PRUint32 bufferMaxSize)
+{
+    nsresult rv;
+    nsXPIDLCString autoBuffer;
+
+    NS_ASSERTION(uri, "no uri");
+
+    mOriginalURI = originalURI ? originalURI : uri;
+    mUrl = uri;
+
+    rv = mUrl->GetPort(&mPort);
+    if (NS_FAILED(rv) || mPort < 1)
+        mPort = FINGER_PORT;
+
+    rv = mUrl->GetPath(getter_Copies(autoBuffer)); // autoBuffer = user@host
+    if (NS_FAILED(rv)) return rv;
+
+    nsCString cString(autoBuffer);
+    nsCString tempBuf;
+
+    PRUint32 i;
+
+    // Now parse out the user and host
+    for (i=0; cString[i] != '\0'; i++) {
+      if (cString[i] == '@') {
+        cString.Left(tempBuf, i);
+        mUser = tempBuf;
+        cString.Right(tempBuf, cString.Length() - i - 1);
+        mHost = tempBuf;
+        break;
+       }
+    }
+
+    // Catch the case of just the host being given
+
+    if (cString[i] == '\0') {
+      mHost = cString;
+    }
+
+#ifdef DEBUG_bryner
+    printf("Status:mUser = %s, mHost = %s\n", (const char*)mUser,
+            (const char*)mHost);
+#endif
+    if (!*(const char *)mHost) return NS_ERROR_NOT_INITIALIZED;
+
+    rv = SetLoadAttributes(loadAttributes);
+    if (NS_FAILED(rv)) return rv;
+    rv = SetLoadGroup(aLoadGroup);
+    if (NS_FAILED(rv)) return rv;
+    rv = SetNotificationCallbacks(notificationCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    return NS_OK;
+}
+
+NS_METHOD
+nsFingerChannel::Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult)
+{
+    nsFingerChannel* fc = new nsFingerChannel();
+    if (fc == nsnull)
+        return NS_ERROR_OUT_OF_MEMORY;
+    NS_ADDREF(fc);
+    nsresult rv = fc->QueryInterface(aIID, aResult);
+    NS_RELEASE(fc);
+    return rv;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIRequest methods:
+
+NS_IMETHODIMP
+nsFingerChannel::IsPending(PRBool *result)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::Cancel(void)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::Suspend(void)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::Resume(void)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIChannel methods:
+
+NS_IMETHODIMP
+nsFingerChannel::GetOriginalURI(nsIURI * *aURI)
+{
+    *aURI = mOriginalURI;
+    NS_ADDREF(*aURI);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetURI(nsIURI * *aURI)
+{
+    *aURI = mUrl;
+    NS_IF_ADDREF(*aURI);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::OpenInputStream(PRUint32 startPosition, PRInt32 readCount,
+                              nsIInputStream **_retval)
+{
+    nsresult rv = NS_OK;
+
+    NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
+    if (NS_FAILED(rv)) return rv;
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = socketService->CreateTransport(mHost, mPort, mHost, BUFFER_SEG_SIZE,
+            BUFFER_MAX_SIZE, getter_AddRefs(channel));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->SetNotificationCallbacks(mCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    return channel->OpenInputStream(startPosition, readCount, _retval);
+}
+
+NS_IMETHODIMP
+nsFingerChannel::OpenOutputStream(PRUint32 startPosition, nsIOutputStream **_retval)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::AsyncOpen(nsIStreamObserver *observer, nsISupports* ctxt)
+{
+    nsresult rv = NS_OK;
+
+    NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
+    if (NS_FAILED(rv)) return rv;
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = socketService->CreateTransport(mHost, mPort, mHost, BUFFER_SEG_SIZE,
+      BUFFER_MAX_SIZE, getter_AddRefs(channel));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->SetNotificationCallbacks(mCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    return channel->AsyncOpen(observer, ctxt);
+}
+
+NS_IMETHODIMP
+nsFingerChannel::AsyncRead(PRUint32 startPosition, PRInt32 readCount,
+                        nsISupports *ctxt,
+                        nsIStreamListener *aListener)
+{
+    nsresult rv = NS_OK;
+
+    NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
+    if (NS_FAILED(rv)) return rv;
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = socketService->CreateTransport(mHost, mPort, mHost, BUFFER_SEG_SIZE,
+      BUFFER_MAX_SIZE, getter_AddRefs(channel));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->SetNotificationCallbacks(mCallbacks);
+    if (NS_FAILED(rv)) return rv;
+
+    mListener = aListener;
+
+    return SendRequest(channel);
+}
+
+NS_IMETHODIMP
+nsFingerChannel::AsyncWrite(nsIInputStream *fromStream,
+                         PRUint32 startPosition,
+                         PRInt32 writeCount,
+                         nsISupports *ctxt,
+                         nsIStreamObserver *observer)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetLoadAttributes(PRUint32 *aLoadAttributes)
+{
+    *aLoadAttributes = mLoadAttributes;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetLoadAttributes(PRUint32 aLoadAttributes)
+{
+    mLoadAttributes = aLoadAttributes;
+    return NS_OK;
+}
+
+#define FINGER_TYPE "text/plain"
+
+NS_IMETHODIMP
+nsFingerChannel::GetContentType(char* *aContentType) {
+    if (!aContentType) return NS_ERROR_NULL_POINTER;
+
+    *aContentType = nsCRT::strdup(FINGER_TYPE);
+    if (!*aContentType) return NS_ERROR_OUT_OF_MEMORY;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetContentType(const char *aContentType)
+{
+    //It doesn't make sense to set the content-type on this type
+    // of channel...
+    return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetContentLength(PRInt32 *aContentLength)
+{
+    *aContentLength = mContentLength;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
+{
+    *aLoadGroup = mLoadGroup;
+    NS_IF_ADDREF(*aLoadGroup);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
+{
+    if (mLoadGroup) // if we already had a load group remove ourselves...
+      (void)mLoadGroup->RemoveChannel(this, nsnull, nsnull, nsnull);
+
+    mLoadGroup = aLoadGroup;
+    if (mLoadGroup) {
+        return mLoadGroup->AddChannel(this, nsnull);
+    }
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetOwner(nsISupports* *aOwner)
+{
+    *aOwner = mOwner.get();
+    NS_IF_ADDREF(*aOwner);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetOwner(nsISupports* aOwner)
+{
+    mOwner = aOwner;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::GetNotificationCallbacks(nsIInterfaceRequestor* *aNotificationCallbacks)
+{
+    *aNotificationCallbacks = mCallbacks.get();
+    NS_IF_ADDREF(*aNotificationCallbacks);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerChannel::SetNotificationCallbacks(nsIInterfaceRequestor* aNotificationCallbacks)
+{
+    mCallbacks = aNotificationCallbacks;
+    return NS_OK;
+}
+
+
+// nsIStreamObserver methods
+NS_IMETHODIMP
+nsFingerChannel::OnStartRequest(nsIChannel *aChannel, nsISupports *aContext) {
+    if (!mActAsObserver) {
+      // acting as a listener
+      return mListener->OnStartRequest(this, aContext);
+    } else {
+      // we don't want to pass our AsyncWrite's OnStart through
+      // we just ignore this
+      return NS_OK;
+    }
+}
+
+
+NS_IMETHODIMP
+nsFingerChannel::OnStopRequest(nsIChannel* aChannel, nsISupports* aContext,
+                                      nsresult aStatus, const PRUnichar* aMsg) {
+#ifdef DEBUG_bryner
+    printf("nsFingerChannel::OnStopRequest, mActAsObserver=%d\n",
+            mActAsObserver);
+    printf("  aChannel = %p\n", aChannel);
+#endif
+    nsresult rv = NS_OK;
+
+    if (!mActAsObserver) {
+        if (mLoadGroup) {
+          rv = mLoadGroup->RemoveChannel(this, nsnull, aStatus, aMsg);
+          if (NS_FAILED(rv)) return rv;
+        }
+        return mListener->OnStopRequest(this, aContext, aStatus, aMsg);
+    } else {
+        // at this point we know the request has been sent.
+        // we're no longer acting as an observer.
+ 
+        mActAsObserver = PR_FALSE;
+        return aChannel->AsyncRead(0, -1, 0, this);
+    }
+
+}
+
+
+// nsIStreamListener method
+NS_IMETHODIMP
+nsFingerChannel::OnDataAvailable(nsIChannel* aChannel, nsISupports* aContext,
+                               nsIInputStream *aInputStream, PRUint32 aSourceOffset,
+                               PRUint32 aLength) {
+    mContentLength = aLength;
+    return mListener->OnDataAvailable(this, aContext, aInputStream, aSourceOffset, aLength);
+}
+
+nsresult
+nsFingerChannel::SendRequest(nsIChannel* aChannel) {
+  // The text to send should already be in mUser
+
+  nsresult rv = NS_OK;
+  nsCOMPtr<nsISupports> result;
+  nsCOMPtr<nsIInputStream> charstream;
+  nsCString requestBuffer(mUser);
+
+  requestBuffer.Append(CRLF);
+
+  mRequest = requestBuffer.ToNewCString();
+
+  rv = NS_NewCharInputStream(getter_AddRefs(result), mRequest);
+  if (NS_FAILED(rv)) return rv;
+
+  charstream = do_QueryInterface(result, &rv);
+  if (NS_FAILED(rv)) return rv;
+
+#ifdef DEBUG_bryner
+  printf("Sending: %s\n", requestBuffer.GetBuffer());
+#endif
+
+  rv = aChannel->AsyncWrite(charstream, 0, requestBuffer.Length(), 0,
+                            this);
+  return rv;
+}
+
+

mozilla/netwerk/protocol/finger/src/nsFingerChannel.h

@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+// A datetime channel retrieves date time information from 
+// RFC 867 compliant datetime servers. The date/time returned
+// to the caller is of MIME type "text/plain".
+
+#ifndef nsFingerChannel_h___
+#define nsFingerChannel_h___
+
+#include "nsString2.h"
+#include "nsILoadGroup.h"
+#include "nsIInputStream.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsCOMPtr.h"
+#include "nsXPIDLString.h"
+#include "nsIChannel.h"
+#include "nsIURI.h"
+#include "nsFingerHandler.h"
+#include "nsIStreamListener.h"
+
+
+class nsFingerChannel : public nsIChannel, public nsIStreamListener {
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIREQUEST
+    NS_DECL_NSICHANNEL
+    NS_DECL_NSISTREAMLISTENER
+    NS_DECL_NSISTREAMOBSERVER
+
+    // nsFingerChannel methods:
+    nsFingerChannel();
+    virtual ~nsFingerChannel();
+
+    // Define a Create method to be used with a factory:
+    static NS_METHOD
+    Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult);
+    
+    nsresult Init(const char* verb, 
+                  nsIURI* uri, 
+                  nsILoadGroup* aLoadGroup,
+                  nsIInterfaceRequestor* notificationCallbacks, 
+                  nsLoadFlags loadAttributes,
+                  nsIURI* originalURI,
+                  PRUint32 bufferSegmentSize,
+                  PRUint32 bufferMaxSize);
+
+protected:
+    nsCOMPtr<nsIInterfaceRequestor>     mCallbacks;
+    nsCOMPtr<nsIURI>                    mOriginalURI;
+    nsCOMPtr<nsIURI>                    mUrl;
+    nsCOMPtr<nsIStreamListener>         mListener;
+    PRUint32                            mLoadAttributes;
+    nsCOMPtr<nsILoadGroup>              mLoadGroup;
+    nsCString                           mContentType;
+    PRInt32                             mContentLength;
+    nsCOMPtr<nsISupports>               mOwner; 
+    PRUint32                            mBufferSegmentSize;
+    PRUint32                            mBufferMaxSize;
+    PRBool                              mActAsObserver;
+
+    PRInt32                             mPort;
+    nsXPIDLCString                      mHost;
+    nsXPIDLCString                      mUser;
+
+    nsXPIDLCString                      mRequest;
+
+protected:
+    nsresult SendRequest(nsIChannel* aChannel);
+};
+
+#endif /* nsFingerChannel_h___ */

mozilla/netwerk/protocol/finger/src/nsFingerHandler.cpp

@@ -0,0 +1,127 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+#include "nspr.h"
+#include "nsFingerChannel.h"
+#include "nsFingerHandler.h"
+#include "nsIURL.h"
+#include "nsCRT.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIProgressEventSink.h"
+
+// Using StandardURL instead of SimpleURI so that we can get the
+// username and port parsed for us.  We ignore the path.
+
+static NS_DEFINE_CID(kSimpleURICID, NS_SIMPLEURI_CID);
+
+////////////////////////////////////////////////////////////////////////////////
+
+nsFingerHandler::nsFingerHandler() {
+    NS_INIT_REFCNT();
+}
+
+nsFingerHandler::~nsFingerHandler() {
+}
+
+NS_IMPL_ISUPPORTS(nsFingerHandler, NS_GET_IID(nsIProtocolHandler));
+
+NS_METHOD
+nsFingerHandler::Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult) {
+
+    nsFingerHandler* ph = new nsFingerHandler();
+    if (ph == nsnull)
+        return NS_ERROR_OUT_OF_MEMORY;
+    NS_ADDREF(ph);
+    nsresult rv = ph->QueryInterface(aIID, aResult);
+    NS_RELEASE(ph);
+    return rv;
+}
+    
+////////////////////////////////////////////////////////////////////////////////
+// nsIProtocolHandler methods:
+
+NS_IMETHODIMP
+nsFingerHandler::GetScheme(char* *result) {
+    *result = nsCRT::strdup("finger");
+    if (!*result) return NS_ERROR_OUT_OF_MEMORY;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerHandler::GetDefaultPort(PRInt32 *result) {
+    *result = FINGER_PORT;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFingerHandler::NewURI(const char *aSpec, nsIURI *aBaseURI,
+                             nsIURI **result) {
+    nsresult rv;
+
+    // no concept of a relative finger url
+    NS_ASSERTION(!aBaseURI, "base url passed into finger protocol handler");
+
+    nsIURI* url;
+    rv = nsComponentManager::CreateInstance(kSimpleURICID, nsnull,
+                                            NS_GET_IID(nsIURI),
+                                            (void**)&url);
+    if (NS_FAILED(rv)) return rv;
+    rv = url->SetSpec((char*)aSpec);
+    if (NS_FAILED(rv)) {
+        NS_RELEASE(url);
+        return rv;
+    }
+
+    *result = url;
+    return rv;
+}
+
+NS_IMETHODIMP
+nsFingerHandler::NewChannel(const char* verb, nsIURI* url,
+                          nsILoadGroup* aLoadGroup,
+                          nsIInterfaceRequestor* notificationCallbacks,
+                          nsLoadFlags loadAttributes,
+                          nsIURI* originalURI,
+                          PRUint32 bufferSegmentSize,
+                          PRUint32 bufferMaxSize,
+                          nsIChannel* *result)
+{
+    nsresult rv;
+    
+    nsFingerChannel* channel;
+    rv = nsFingerChannel::Create(nsnull, NS_GET_IID(nsIChannel), (void**)&channel);
+    if (NS_FAILED(rv)) return rv;
+
+    rv = channel->Init(verb, url, aLoadGroup, notificationCallbacks,
+                       loadAttributes, originalURI, bufferSegmentSize, bufferMaxSize);
+    if (NS_FAILED(rv)) {
+        NS_RELEASE(channel);
+        return rv;
+    }
+
+    *result = channel;
+    return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////

mozilla/netwerk/protocol/finger/src/nsFingerHandler.h

@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+// The finger protocol handler creates "finger" URIs of the form
+// "finger:user@host" or "finger:host".
+
+#ifndef nsFingerHandler_h___
+#define nsFingerHandler_h___
+
+#include "nsIProtocolHandler.h"
+
+#define FINGER_PORT 79
+
+// {0x76d6d5d8-1dd2-11b2-b361-850ddf15ef07}
+#define NS_FINGERHANDLER_CID     \
+{ 0x76d6d5d8, 0x1dd2, 0x11b2, \
+   {0xb3, 0x61, 0x85, 0x0d, 0xdf, 0x15, 0xef, 0x07} }
+
+class nsFingerHandler : public nsIProtocolHandler
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIPROTOCOLHANDLER
+
+    // nsFingerHandler methods:
+    nsFingerHandler();
+    virtual ~nsFingerHandler();
+
+    // Define a Create method to be used with a factory:
+    static NS_METHOD Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult);
+};
+
+#endif /* nsFingerHandler_h___ */

mozilla/netwerk/protocol/finger/src/nsFingerModule.cpp

@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+#include "nsIGenericFactory.h"
+#include "nsFingerHandler.h"
+
+static nsModuleComponentInfo gResComponents[] = {
+    { "The Finger Protocol Handler", 
+      NS_FINGERHANDLER_CID,
+      NS_NETWORK_PROTOCOL_PROGID_PREFIX "finger",
+      nsFingerHandler::Create
+    }
+};
+
+NS_IMPL_NSGETMODULE("finger", gResComponents)