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gecko/uriloader/exthandler/mac/nsInternetConfigService.cpp
myk@mozilla.org 02bb1ac2c6 bug 389969: followup patch that makes the protocol handling dialog work on Mac as well; 
r=biesi
sr=dmose
a=schrep for M7
2007-07-30 21:57:37 -07:00

653 lines
22 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Steve Dagley <sdagley@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsInternetConfigService.h"
#include "nsCOMPtr.h"
#include "nsIMIMEInfo.h"
#include "nsMIMEInfoMac.h"
#include "nsAutoPtr.h"
#include "nsIFactory.h"
#include "nsIComponentManager.h"
#include "nsIURL.h"
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include "nsString.h"
#include "nsCRT.h"
#include "nsILocalFileMac.h"
#include "nsMimeTypes.h"
#include <TextUtils.h>
#include <CodeFragments.h>
#include <Processes.h>
#include <Gestalt.h>
#include <CFURL.h>
#include <Finder.h>
#include <LaunchServices.h>
// helper converter function.....
static void ConvertCharStringToStr255(const char* inString, Str255& outString)
{
if (inString == NULL)
return;
PRInt32 len = strlen(inString);
NS_ASSERTION(len <= 255 , " String is too big");
if (len> 255)
{
len = 255;
}
memcpy(&outString[1], inString, len);
outString[0] = len;
}
/* Define Class IDs */
nsInternetConfigService::nsInternetConfigService()
{
}
nsInternetConfigService::~nsInternetConfigService()
{
}
/*
* Implement the nsISupports methods...
*/
NS_IMPL_ISUPPORTS1(nsInternetConfigService, nsIInternetConfigService)
// void LaunchURL (in string url);
// Given a url string, call ICLaunchURL using url
// Under OS X use LaunchServices instead of IC
NS_IMETHODIMP nsInternetConfigService::LaunchURL(const char *url)
{
nsresult rv = NS_ERROR_FAILURE;
CFURLRef myURLRef = ::CFURLCreateWithBytes(
kCFAllocatorDefault,
(const UInt8*)url,
strlen(url),
kCFStringEncodingUTF8, NULL);
if (myURLRef)
{
rv = ::LSOpenCFURLRef(myURLRef, NULL);
::CFRelease(myURLRef);
}
return rv;
}
// boolean HasMappingForMIMEType (in string mimetype);
// given a mime type, search Internet Config database for a mapping for that mime type
NS_IMETHODIMP nsInternetConfigService::HasMappingForMIMEType(const char *mimetype, PRBool *_retval)
{
ICMapEntry entry;
nsresult rv = GetMappingForMIMEType(mimetype, nsnull, &entry);
if (rv == noErr)
*_retval = PR_TRUE;
else
*_retval = PR_FALSE;
return rv;
}
/* boolean hasProtocolHandler (in string protocol); */
// returns NS_ERROR_NOT_AVAILABLE if the current application is registered
// as the protocol handler for the given protocol
NS_IMETHODIMP nsInternetConfigService::HasProtocolHandler(const char *protocol, PRBool *_retval)
{
*_retval = PR_FALSE; // presume the OS doesn't have a handler
nsresult rv = NS_OK;
// Since protocol comes in with _just_ the protocol we have to add a ':' to
// the end of it or LaunchServices will be very unhappy with the CFURLRef
// created from it (crashes trying to look up a handler for it with
// LSGetApplicationForURL, at least under 10.2.1)
nsCAutoString scheme(protocol);
scheme += ":";
CFURLRef myURLRef = ::CFURLCreateWithBytes(
kCFAllocatorDefault,
(const UInt8 *)scheme.get(),
scheme.Length(),
kCFStringEncodingUTF8, NULL);
if (myURLRef)
{
FSRef appFSRef;
if (::LSGetApplicationForURL(myURLRef, kLSRolesAll, &appFSRef, NULL) == noErr)
{ // Now see if the FSRef for the found app == the running app
ProcessSerialNumber psn;
if (::GetCurrentProcess(&psn) == noErr)
{
FSRef runningAppFSRef;
if (::GetProcessBundleLocation(&psn, &runningAppFSRef) == noErr)
{
if (::FSCompareFSRefs(&appFSRef, &runningAppFSRef) == noErr)
{ // Oops, the current app is the handler which would cause infinite recursion
rv = NS_ERROR_NOT_AVAILABLE;
}
else
{
*_retval = PR_TRUE;
}
}
}
}
::CFRelease(myURLRef);
}
return rv;
}
// This method does the dirty work of traipsing through IC mappings database
// looking for a mapping for mimetype
nsresult nsInternetConfigService::GetMappingForMIMEType(const char *mimetype, const char *fileextension, ICMapEntry *entry)
{
ICInstance inst = nsInternetConfig::GetInstance();
OSStatus err = noErr;
ICAttr attr;
Handle prefH;
PRBool domimecheck = PR_TRUE;
PRBool gotmatch = PR_FALSE;
ICMapEntry ent;
// if mime type is "unknown" or "octet stream" *AND* we have a file extension,
// then disable match on mime type
if (((nsCRT::strcasecmp(mimetype, UNKNOWN_CONTENT_TYPE) == 0) ||
(nsCRT::strcasecmp(mimetype, APPLICATION_OCTET_STREAM) == 0)) &&
fileextension)
domimecheck = PR_FALSE;
entry->totalLength = 0;
if (inst)
{
err = ::ICBegin(inst, icReadOnlyPerm);
if (err == noErr)
{
prefH = ::NewHandle(2048); // picked 2048 out of thin air
if (prefH)
{
err = ::ICFindPrefHandle(inst, kICMapping, &attr, prefH);
if (err == noErr)
{
long count;
err = ::ICCountMapEntries(inst, prefH, &count);
if (err == noErr)
{
long pos;
for (long i = 1; i <= count; ++i)
{
err = ::ICGetIndMapEntry(inst, prefH, i, &pos, &ent);
if (err == noErr)
{
// first, do mime type check
if (domimecheck)
{
nsCAutoString temp((char *)&ent.MIMEType[1], (int)ent.MIMEType[0]);
if (!temp.EqualsIgnoreCase(mimetype))
{
// we need to do mime check, and check failed
// nothing here to see, move along
continue;
}
}
if (fileextension)
{
// if fileextension was passed in, compare that also
if (ent.extension[0]) // check for non-empty pascal string
{
nsCAutoString temp((char *)&ent.extension[1], (int)ent.extension[0]);
if (temp.EqualsIgnoreCase(fileextension))
{
// mime type and file extension match, we're outta here
gotmatch = PR_TRUE;
// copy over ICMapEntry
*entry = ent;
break;
}
}
}
else if(domimecheck)
{
// at this point, we've got our match because
// domimecheck is true, the mime strings match, and fileextension isn't passed in
// bad thing is we'll stop on first match, but what can you do?
gotmatch = PR_TRUE;
// copy over ICMapEntry
*entry = ent;
break;
}
}
}
}
}
::DisposeHandle(prefH);
}
else
{
err = memFullErr;
}
err = ::ICEnd(inst);
if (err == noErr && gotmatch == PR_FALSE)
{
err = fnfErr; // return SOME kind of error
}
}
}
if (err != noErr)
return NS_ERROR_FAILURE;
else
return NS_OK;
}
nsresult nsInternetConfigService::FillMIMEInfoForICEntry(ICMapEntry& entry, nsIMIMEInfo ** mimeinfo)
{
// create a mime info object and we'll fill it in based on the values from IC mapping entry
nsresult rv = NS_OK;
nsRefPtr<nsMIMEInfoMac> info (new nsMIMEInfoMac());
if (info)
{
nsCAutoString mimetype ((char *)&entry.MIMEType[1], entry.MIMEType[0]);
// check if entry.MIMEType is empty, if so, set mime type to APPLICATION_OCTET_STREAM
if (entry.MIMEType[0])
info->SetMIMEType(mimetype);
else
{ // The IC mappings seem to not be very agressive about determining the mime type if
// all we have is a type or creator code. This is a bandaid approach for when we
// get a file of type 'TEXT' with no mime type mapping so that we'll display the
// file rather than trying to download it.
if (entry.fileType == 'TEXT')
info->SetMIMEType(NS_LITERAL_CSTRING(TEXT_PLAIN));
else
info->SetMIMEType(NS_LITERAL_CSTRING(APPLICATION_OCTET_STREAM));
}
// convert entry.extension which is a Str255
// don't forget to remove the '.' in front of the file extension....
nsCAutoString temp((char *)&entry.extension[2], entry.extension[0] > 0 ? (int)entry.extension[0]-1 : 0);
info->AppendExtension(temp);
info->SetMacType(entry.fileType);
info->SetMacCreator(entry.fileCreator);
temp.Assign((char *) &entry.entryName[1], entry.entryName[0]);
info->SetDescription(NS_ConvertASCIItoUTF16(temp));
temp.Assign((char *) &entry.postAppName[1], entry.postAppName[0]);
info->SetDefaultDescription(NS_ConvertASCIItoUTF16(temp));
if (entry.flags & kICMapPostMask)
{
// there is a post processor app
info->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
nsCOMPtr<nsILocalFileMac> file (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
if (file)
{
rv = file->InitToAppWithCreatorCode(entry.postCreator);
if (rv == NS_OK)
{
nsCOMPtr<nsIFile> nsfile = do_QueryInterface(file, &rv);
if (rv == NS_OK)
info->SetDefaultApplication(nsfile);
}
}
}
else
{
// there isn't a post processor app so set the preferred action to be save to disk.
info->SetPreferredAction(nsIMIMEInfo::saveToDisk);
}
*mimeinfo = info;
NS_IF_ADDREF(*mimeinfo);
}
else // we failed to allocate the info object...
rv = NS_ERROR_FAILURE;
return rv;
}
/* void FillInMIMEInfo (in string mimetype, in string fileExtension, out nsIMIMEInfo mimeinfo); */
NS_IMETHODIMP nsInternetConfigService::FillInMIMEInfo(const char *mimetype, const char * aFileExtension, nsIMIMEInfo **mimeinfo)
{
nsresult rv;
ICMapEntry entry;
NS_ENSURE_ARG_POINTER(mimeinfo);
*mimeinfo = nsnull;
if (aFileExtension)
{
nsCAutoString fileExtension;
fileExtension.Assign(".");
fileExtension.Append(aFileExtension);
rv = GetMappingForMIMEType(mimetype, fileExtension.get(), &entry);
}
else
{
rv = GetMappingForMIMEType(mimetype, nsnull, &entry);
}
if (rv == NS_OK)
rv = FillMIMEInfoForICEntry(entry, mimeinfo);
else
rv = NS_ERROR_FAILURE;
return rv;
}
NS_IMETHODIMP nsInternetConfigService::GetMIMEInfoFromExtension(const char *aFileExt, nsIMIMEInfo **_retval)
{
nsresult rv = NS_ERROR_FAILURE;
ICInstance instance = nsInternetConfig::GetInstance();
if (instance)
{
nsCAutoString filename("foobar.");
filename += aFileExt;
Str255 pFileName;
ConvertCharStringToStr255(filename.get(), pFileName);
ICMapEntry entry;
OSStatus err = ::ICMapFilename(instance, pFileName, &entry);
if (err == noErr)
{
rv = FillMIMEInfoForICEntry(entry, _retval);
}
}
return rv;
}
NS_IMETHODIMP nsInternetConfigService::GetMIMEInfoFromTypeCreator(PRUint32 aType, PRUint32 aCreator, const char *aFileExt, nsIMIMEInfo **_retval)
{
nsresult rv = NS_ERROR_FAILURE;
ICInstance instance = nsInternetConfig::GetInstance();
if (instance)
{
nsCAutoString filename("foobar.");
filename += aFileExt;
Str255 pFileName;
ConvertCharStringToStr255(filename.get(), pFileName);
ICMapEntry entry;
OSStatus err = ::ICMapTypeCreator(instance, aType, aCreator, pFileName, &entry);
if (err == noErr)
rv = FillMIMEInfoForICEntry(entry,_retval);
}
return rv;
}
NS_IMETHODIMP nsInternetConfigService::GetFileMappingFlags(FSSpec* fsspec, PRBool lookupByExtensionFirst, PRInt32 *_retval)
{
nsresult rv = NS_ERROR_FAILURE;
OSStatus err = noErr;
NS_ENSURE_ARG(_retval);
*_retval = -1;
ICInstance instance = nsInternetConfig::GetInstance();
if (instance)
{
ICMapEntry entry;
if (lookupByExtensionFirst)
err = ::ICMapFilename(instance, fsspec->name, &entry);
if (!lookupByExtensionFirst || err != noErr)
{
FInfo info;
err = FSpGetFInfo(fsspec, &info);
if (err == noErr)
err = ::ICMapTypeCreator(instance, info.fdType, info.fdCreator, fsspec->name, &entry);
}
if (err == noErr)
*_retval = entry.flags;
rv = NS_OK;
}
return rv;
}
/* void GetDownloadFolder (out FSSpec fsspec); */
NS_IMETHODIMP nsInternetConfigService::GetDownloadFolder(FSSpec *fsspec)
{
ICInstance inst = nsInternetConfig::GetInstance();
OSStatus err;
Handle prefH;
nsresult rv = NS_ERROR_FAILURE;
NS_ENSURE_ARG_POINTER(fsspec);
if (inst)
{
err = ::ICBegin(inst, icReadOnlyPerm);
if (err == noErr)
{
prefH = ::NewHandle(256); // ICFileSpec ~= 112 bytes + variable, 256 bytes hopefully is sufficient
if (prefH)
{
ICAttr attr;
err = ::ICFindPrefHandle(inst, kICDownloadFolder, &attr, prefH);
if (err == noErr)
{
err = ::Munger(prefH, 0, NULL, kICFileSpecHeaderSize, (Ptr)-1, 0);
if (err == noErr)
{
Boolean wasChanged;
err = ::ResolveAlias(NULL, (AliasHandle)prefH, fsspec, &wasChanged);
if (err == noErr)
{
rv = NS_OK;
}
else
{ // ResolveAlias for the DownloadFolder failed - try grabbing the FSSpec
err = ::ICFindPrefHandle(inst, kICDownloadFolder, &attr, prefH);
if (err == noErr)
{ // Use FSMakeFSSpec to verify the saved FSSpec is still valid
FSSpec tempSpec = (*(ICFileSpecHandle)prefH)->fss;
err = ::FSMakeFSSpec(tempSpec.vRefNum, tempSpec.parID, tempSpec.name, fsspec);
if (err == noErr)
rv = NS_OK;
}
}
}
}
// Best not to leave that handle laying around
DisposeHandle(prefH);
}
err = ::ICEnd(inst);
}
}
return rv;
}
nsresult nsInternetConfigService::GetICKeyPascalString(PRUint32 inIndex, const unsigned char*& outICKey)
{
nsresult rv = NS_OK;
switch (inIndex)
{
case eICColor_WebBackgroundColour: outICKey = kICWebBackgroundColour; break;
case eICColor_WebReadColor: outICKey = kICWebReadColor; break;
case eICColor_WebTextColor: outICKey = kICWebTextColor; break;
case eICColor_WebUnreadColor: outICKey = kICWebUnreadColor; break;
case eICBoolean_WebUnderlineLinks: outICKey = kICWebUnderlineLinks; break;
case eICBoolean_UseFTPProxy: outICKey = kICUseFTPProxy; break;
case eICBoolean_UsePassiveFTP: outICKey = kICUsePassiveFTP; break;
case eICBoolean_UseHTTPProxy: outICKey = kICUseHTTPProxy; break;
case eICBoolean_NewMailDialog: outICKey = kICNewMailDialog; break;
case eICBoolean_NewMailFlashIcon: outICKey = kICNewMailFlashIcon; break;
case eICBoolean_NewMailPlaySound: outICKey = kICNewMailPlaySound; break;
case eICBoolean_UseGopherProxy: outICKey = kICUseGopherProxy; break;
case eICBoolean_UseSocks: outICKey = kICUseSocks; break;
case eICString_WWWHomePage: outICKey = kICWWWHomePage; break;
case eICString_WebSearchPagePrefs: outICKey = kICWebSearchPagePrefs; break;
case eICString_MacSearchHost: outICKey = kICMacSearchHost; break;
case eICString_FTPHost: outICKey = kICFTPHost; break;
case eICString_FTPProxyUser: outICKey = kICFTPProxyUser; break;
case eICString_FTPProxyAccount: outICKey = kICFTPProxyAccount; break;
case eICString_FTPProxyHost: outICKey = kICFTPProxyHost; break;
case eICString_FTPProxyPassword: outICKey = kICFTPProxyPassword; break;
case eICString_HTTPProxyHost: outICKey = kICHTTPProxyHost; break;
case eICString_LDAPSearchbase: outICKey = kICLDAPSearchbase; break;
case eICString_LDAPServer: outICKey = kICLDAPServer; break;
case eICString_SMTPHost: outICKey = kICSMTPHost; break;
case eICString_Email: outICKey = kICEmail; break;
case eICString_MailAccount: outICKey = kICMailAccount; break;
case eICString_MailPassword: outICKey = kICMailPassword; break;
case eICString_NewMailSoundName: outICKey = kICNewMailSoundName; break;
case eICString_NNTPHost: outICKey = kICNNTPHost; break;
case eICString_NewsAuthUsername: outICKey = kICNewsAuthUsername; break;
case eICString_NewsAuthPassword: outICKey = kICNewsAuthPassword; break;
case eICString_InfoMacPreferred: outICKey = kICInfoMacPreferred; break;
case eICString_Organization: outICKey = kICOrganization; break;
case eICString_QuotingString: outICKey = kICQuotingString; break;
case eICString_RealName: outICKey = kICRealName; break;
case eICString_FingerHost: outICKey = kICFingerHost; break;
case eICString_GopherHost: outICKey = kICGopherHost; break;
case eICString_GopherProxy: outICKey = kICGopherProxy; break;
case eICString_SocksHost: outICKey = kICSocksHost; break;
case eICString_TelnetHost: outICKey = kICTelnetHost; break;
case eICString_IRCHost: outICKey = kICIRCHost; break;
case eICString_UMichPreferred: outICKey = kICUMichPreferred; break;
case eICString_WAISGateway: outICKey = kICWAISGateway; break;
case eICString_WhoisHost: outICKey = kICWhoisHost; break;
case eICString_PhHost: outICKey = kICPhHost; break;
case eICString_NTPHost: outICKey = kICNTPHost; break;
case eICString_ArchiePreferred: outICKey = kICArchiePreferred; break;
case eICText_MailHeaders: outICKey = kICMailHeaders; break;
case eICText_Signature: outICKey = kICSignature; break;
case eICText_NewsHeaders: outICKey = kICNewsHeaders; break;
case eICText_SnailMailAddress: outICKey = kICSnailMailAddress; break;
case eICText_Plan: outICKey = kICPlan; break;
default:
rv = NS_ERROR_INVALID_ARG;
}
return rv;
}
nsresult nsInternetConfigService::GetICPreference(PRUint32 inKey,
void *outData, long *ioSize)
{
const unsigned char *icKey;
nsresult rv = GetICKeyPascalString(inKey, icKey);
if (rv == NS_OK)
{
ICInstance instance = nsInternetConfig::GetInstance();
if (instance)
{
OSStatus err;
ICAttr junk;
err = ::ICGetPref(instance, icKey, &junk, outData, ioSize);
if (err != noErr)
rv = NS_ERROR_UNEXPECTED;
}
else
rv = NS_ERROR_FAILURE;
}
return rv;
}
NS_IMETHODIMP nsInternetConfigService::GetString(PRUint32 inKey, nsACString& value)
{
long size = 256;
char buffer[256];
nsresult rv = GetICPreference(inKey, (void *)&buffer, &size);
if (rv == NS_OK)
{
if (size == 0)
{
value = "";
rv = NS_ERROR_UNEXPECTED;
}
else
{ // Buffer is a Pascal string so adjust for length byte when assigning
value.Assign(&buffer[1], (unsigned char)buffer[0]);
}
}
return rv;
}
NS_IMETHODIMP nsInternetConfigService::GetColor(PRUint32 inKey, PRUint32 *outColor)
{
// We're 'borrowing' this macro from nscolor.h so that uriloader doesn't depend on gfx.
// Make a color out of r,g,b values. This assumes that the r,g,b values are
// properly constrained to 0-255. This also assumes that a is 255.
#define MAKE_NS_RGB(_r,_g,_b) \
((PRUint32) ((255 << 24) | ((_b)<<16) | ((_g)<<8) | (_r)))
RGBColor buffer;
long size = sizeof(RGBColor);
nsresult rv = GetICPreference(inKey, &buffer, &size);
if (rv == NS_OK)
{
if (size != sizeof(RGBColor))
{ // default to white if we didn't get the right size
*outColor = MAKE_NS_RGB(0xff, 0xff, 0xff);
}
else
{ // convert to a web color
*outColor = MAKE_NS_RGB(buffer.red >> 8, buffer.green >> 8, buffer.blue >> 8);
}
}
return rv;
}
NS_IMETHODIMP nsInternetConfigService::GetBoolean(PRUint32 inKey, PRBool *outFlag)
{
Boolean buffer;
long size = sizeof(Boolean);
nsresult rv = GetICPreference(inKey, (void *)&buffer, &size);
if (rv == NS_OK)
{
if ((size_t)size < sizeof(Boolean))
*outFlag = PR_FALSE; // default to false if we didn't get the right amount of data
else
*outFlag = buffer;
}
return rv;
}
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