diff options
Diffstat (limited to 'uriloader/exthandler/mac/nsOSHelperAppService.mm')
| -rw-r--r-- | uriloader/exthandler/mac/nsOSHelperAppService.mm | 569 |
1 files changed, 0 insertions, 569 deletions
diff --git a/uriloader/exthandler/mac/nsOSHelperAppService.mm b/uriloader/exthandler/mac/nsOSHelperAppService.mm deleted file mode 100644 index 00f12f5448..0000000000 --- a/uriloader/exthandler/mac/nsOSHelperAppService.mm +++ /dev/null @@ -1,569 +0,0 @@ -/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*- - * - * 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/. */ - -#include <sys/types.h> -#include <sys/stat.h> -#include "nsOSHelperAppService.h" -#include "nsObjCExceptions.h" -#include "nsISupports.h" -#include "nsString.h" -#include "nsTArray.h" -#include "nsXPIDLString.h" -#include "nsIURL.h" -#include "nsIFile.h" -#include "nsILocalFileMac.h" -#include "nsMimeTypes.h" -#include "nsIStringBundle.h" -#include "nsIPromptService.h" -#include "nsMemory.h" -#include "nsCRT.h" -#include "nsMIMEInfoMac.h" -#include "nsEmbedCID.h" - -#import <CoreFoundation/CoreFoundation.h> -#import <ApplicationServices/ApplicationServices.h> - -// chrome URL's -#define HELPERAPPLAUNCHER_BUNDLE_URL "chrome://global/locale/helperAppLauncher.properties" -#define BRAND_BUNDLE_URL "chrome://branding/locale/brand.properties" - -using mozilla::LogLevel; - -/* This is an undocumented interface (in the Foundation framework) that has - * been stable since at least 10.2.8 and is still present on SnowLeopard. - * Furthermore WebKit has three public methods (in WebKitSystemInterface.h) - * that are thin wrappers around this interface's last three methods. So - * it's unlikely to change anytime soon. Now that we're no longer using - * Internet Config Services, this is the only way to look up a MIME type - * from an extension, or vice versa. - */ -@class NSURLFileTypeMappingsInternal; - -@interface NSURLFileTypeMappings : NSObject -{ - NSURLFileTypeMappingsInternal *_internal; -} - -+ (NSURLFileTypeMappings*)sharedMappings; -- (NSString*)MIMETypeForExtension:(NSString*)aString; -- (NSString*)preferredExtensionForMIMEType:(NSString*)aString; -- (NSArray*)extensionsForMIMEType:(NSString*)aString; -@end - -nsOSHelperAppService::nsOSHelperAppService() : nsExternalHelperAppService() -{ - mode_t mask = umask(0777); - umask(mask); - mPermissions = 0666 & ~mask; -} - -nsOSHelperAppService::~nsOSHelperAppService() -{} - -nsresult nsOSHelperAppService::OSProtocolHandlerExists(const char * aProtocolScheme, bool * aHandlerExists) -{ - // CFStringCreateWithBytes() can fail even if we're not out of memory -- - // for example if the 'bytes' parameter is something very wierd (like "ÿÿ~" - // aka "\xFF\xFF~"), or possibly if it can't be interpreted as using what's - // specified in the 'encoding' parameter. See bug 548719. - CFStringRef schemeString = ::CFStringCreateWithBytes(kCFAllocatorDefault, - (const UInt8*)aProtocolScheme, - strlen(aProtocolScheme), - kCFStringEncodingUTF8, - false); - if (schemeString) { - // LSCopyDefaultHandlerForURLScheme() can fail to find the default handler - // for aProtocolScheme when it's never been explicitly set (using - // LSSetDefaultHandlerForURLScheme()). For example, Safari is the default - // handler for the "http" scheme on a newly installed copy of OS X. But - // this (presumably) wasn't done using LSSetDefaultHandlerForURLScheme(), - // so LSCopyDefaultHandlerForURLScheme() will fail to find Safari. To get - // around this we use LSCopyAllHandlersForURLScheme() instead -- which seems - // never to fail. - // http://lists.apple.com/archives/Carbon-dev/2007/May/msg00349.html - // http://www.realsoftware.com/listarchives/realbasic-nug/2008-02/msg00119.html - CFArrayRef handlerArray = ::LSCopyAllHandlersForURLScheme(schemeString); - *aHandlerExists = !!handlerArray; - if (handlerArray) - ::CFRelease(handlerArray); - ::CFRelease(schemeString); - } else { - *aHandlerExists = false; - } - return NS_OK; -} - -NS_IMETHODIMP nsOSHelperAppService::GetApplicationDescription(const nsACString& aScheme, nsAString& _retval) -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; - - nsresult rv = NS_ERROR_NOT_AVAILABLE; - - CFStringRef schemeCFString = - ::CFStringCreateWithBytes(kCFAllocatorDefault, - (const UInt8 *)PromiseFlatCString(aScheme).get(), - aScheme.Length(), - kCFStringEncodingUTF8, - false); - - if (schemeCFString) { - CFStringRef lookupCFString = ::CFStringCreateWithFormat(NULL, NULL, CFSTR("%@:"), schemeCFString); - - if (lookupCFString) { - CFURLRef lookupCFURL = ::CFURLCreateWithString(NULL, lookupCFString, NULL); - - if (lookupCFURL) { - CFURLRef appCFURL = NULL; - OSStatus theErr = ::LSGetApplicationForURL(lookupCFURL, kLSRolesAll, NULL, &appCFURL); - - if (theErr == noErr) { - CFBundleRef handlerBundle = ::CFBundleCreate(NULL, appCFURL); - - if (handlerBundle) { - // Get the human-readable name of the default handler bundle - CFStringRef bundleName = - (CFStringRef)::CFBundleGetValueForInfoDictionaryKey(handlerBundle, - kCFBundleNameKey); - - if (bundleName) { - AutoTArray<UniChar, 255> buffer; - CFIndex bundleNameLength = ::CFStringGetLength(bundleName); - buffer.SetLength(bundleNameLength); - ::CFStringGetCharacters(bundleName, CFRangeMake(0, bundleNameLength), - buffer.Elements()); - _retval.Assign(reinterpret_cast<char16_t*>(buffer.Elements()), bundleNameLength); - rv = NS_OK; - } - - ::CFRelease(handlerBundle); - } - - ::CFRelease(appCFURL); - } - - ::CFRelease(lookupCFURL); - } - - ::CFRelease(lookupCFString); - } - - ::CFRelease(schemeCFString); - } - - return rv; - - NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; -} - -nsresult nsOSHelperAppService::GetFileTokenForPath(const char16_t * aPlatformAppPath, nsIFile ** aFile) -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; - - nsresult rv; - nsCOMPtr<nsILocalFileMac> localFile (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv)); - NS_ENSURE_SUCCESS(rv,rv); - - CFURLRef pathAsCFURL; - CFStringRef pathAsCFString = ::CFStringCreateWithCharacters(NULL, - reinterpret_cast<const UniChar*>(aPlatformAppPath), - NS_strlen(aPlatformAppPath)); - if (!pathAsCFString) - return NS_ERROR_OUT_OF_MEMORY; - - if (::CFStringGetCharacterAtIndex(pathAsCFString, 0) == '/') { - // we have a Posix path - pathAsCFURL = ::CFURLCreateWithFileSystemPath(nullptr, pathAsCFString, - kCFURLPOSIXPathStyle, false); - if (!pathAsCFURL) { - ::CFRelease(pathAsCFString); - return NS_ERROR_OUT_OF_MEMORY; - } - } - else { - // if it doesn't start with a / it's not an absolute Posix path - // let's check if it's a HFS path left over from old preferences - - // If it starts with a ':' char, it's not an absolute HFS path - // so bail for that, and also if it's empty - if (::CFStringGetLength(pathAsCFString) == 0 || - ::CFStringGetCharacterAtIndex(pathAsCFString, 0) == ':') - { - ::CFRelease(pathAsCFString); - return NS_ERROR_FILE_UNRECOGNIZED_PATH; - } - - pathAsCFURL = ::CFURLCreateWithFileSystemPath(nullptr, pathAsCFString, - kCFURLHFSPathStyle, false); - if (!pathAsCFURL) { - ::CFRelease(pathAsCFString); - return NS_ERROR_OUT_OF_MEMORY; - } - } - - rv = localFile->InitWithCFURL(pathAsCFURL); - ::CFRelease(pathAsCFString); - ::CFRelease(pathAsCFURL); - if (NS_FAILED(rv)) - return rv; - *aFile = localFile; - NS_IF_ADDREF(*aFile); - - return NS_OK; - - NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; -} - -NS_IMETHODIMP nsOSHelperAppService::GetFromTypeAndExtension(const nsACString& aType, const nsACString& aFileExt, nsIMIMEInfo ** aMIMEInfo) -{ - return nsExternalHelperAppService::GetFromTypeAndExtension(aType, aFileExt, aMIMEInfo); -} - -// Returns the MIME types an application bundle explicitly claims to handle. -// Returns NULL if aAppRef doesn't explicitly claim to handle any MIME types. -// If the return value is non-NULL, the caller is responsible for freeing it. -// This isn't necessarily the same as the MIME types the application bundle -// is registered to handle in the Launch Services database. (For example -// the Preview application is normally registered to handle the application/pdf -// MIME type, even though it doesn't explicitly claim to handle *any* MIME -// types in its Info.plist. This is probably because Preview does explicitly -// claim to handle the com.adobe.pdf UTI, and Launch Services somehow -// translates this into a claim to support the application/pdf MIME type. -// Launch Services doesn't provide any APIs (documented or undocumented) to -// query which MIME types a given application is registered to handle. So any -// app that wants this information (e.g. the Default Apps pref pane) needs to -// iterate through the entire Launch Services database -- a process which can -// take several seconds.) -static CFArrayRef GetMIMETypesHandledByApp(FSRef *aAppRef) -{ - CFURLRef appURL = ::CFURLCreateFromFSRef(kCFAllocatorDefault, aAppRef); - if (!appURL) { - return NULL; - } - CFDictionaryRef infoDict = ::CFBundleCopyInfoDictionaryForURL(appURL); - ::CFRelease(appURL); - if (!infoDict) { - return NULL; - } - CFTypeRef cfObject = ::CFDictionaryGetValue(infoDict, CFSTR("CFBundleDocumentTypes")); - if (!cfObject || (::CFGetTypeID(cfObject) != ::CFArrayGetTypeID())) { - ::CFRelease(infoDict); - return NULL; - } - - CFArrayRef docTypes = static_cast<CFArrayRef>(cfObject); - CFIndex docTypesCount = ::CFArrayGetCount(docTypes); - if (docTypesCount == 0) { - ::CFRelease(infoDict); - return NULL; - } - - CFMutableArrayRef mimeTypes = - ::CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks); - for (CFIndex i = 0; i < docTypesCount; ++i) { - cfObject = ::CFArrayGetValueAtIndex(docTypes, i); - if (!cfObject || (::CFGetTypeID(cfObject) != ::CFDictionaryGetTypeID())) { - continue; - } - CFDictionaryRef typeDict = static_cast<CFDictionaryRef>(cfObject); - - // When this key is present (on OS X 10.5 and later), its contents - // take precedence over CFBundleTypeMIMETypes (and CFBundleTypeExtensions - // and CFBundleTypeOSTypes). - cfObject = ::CFDictionaryGetValue(typeDict, CFSTR("LSItemContentTypes")); - if (cfObject && (::CFGetTypeID(cfObject) == ::CFArrayGetTypeID())) { - continue; - } - - cfObject = ::CFDictionaryGetValue(typeDict, CFSTR("CFBundleTypeMIMETypes")); - if (!cfObject || (::CFGetTypeID(cfObject) != ::CFArrayGetTypeID())) { - continue; - } - CFArrayRef mimeTypeHolder = static_cast<CFArrayRef>(cfObject); - CFArrayAppendArray(mimeTypes, mimeTypeHolder, - ::CFRangeMake(0, ::CFArrayGetCount(mimeTypeHolder))); - } - - ::CFRelease(infoDict); - if (!::CFArrayGetCount(mimeTypes)) { - ::CFRelease(mimeTypes); - mimeTypes = NULL; - } - return mimeTypes; -} - -// aMIMEType and aFileExt might not match, If they don't we set *aFound to -// false and return a minimal nsIMIMEInfo structure. -already_AddRefed<nsIMIMEInfo> -nsOSHelperAppService::GetMIMEInfoFromOS(const nsACString& aMIMEType, - const nsACString& aFileExt, - bool * aFound) -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSNULL; - - *aFound = false; - - const nsCString& flatType = PromiseFlatCString(aMIMEType); - const nsCString& flatExt = PromiseFlatCString(aFileExt); - - MOZ_LOG(mLog, LogLevel::Debug, ("Mac: HelperAppService lookup for type '%s' ext '%s'\n", - flatType.get(), flatExt.get())); - - // Create a Mac-specific MIME info so we can use Mac-specific members. - RefPtr<nsMIMEInfoMac> mimeInfoMac = new nsMIMEInfoMac(aMIMEType); - - NSAutoreleasePool *localPool = [[NSAutoreleasePool alloc] init]; - - OSStatus err; - bool haveAppForType = false; - bool haveAppForExt = false; - bool typeAppIsDefault = false; - bool extAppIsDefault = false; - FSRef typeAppFSRef; - FSRef extAppFSRef; - - CFStringRef cfMIMEType = NULL; - - if (!aMIMEType.IsEmpty()) { - CFURLRef appURL = NULL; - // CFStringCreateWithCString() can fail even if we're not out of memory -- - // for example if the 'cStr' parameter is something very weird (like "ÿÿ~" - // aka "\xFF\xFF~"), or possibly if it can't be interpreted as using what's - // specified in the 'encoding' parameter. See bug 548719. - cfMIMEType = ::CFStringCreateWithCString(NULL, flatType.get(), - kCFStringEncodingUTF8); - if (cfMIMEType) { - err = ::LSCopyApplicationForMIMEType(cfMIMEType, kLSRolesAll, &appURL); - if ((err == noErr) && appURL && ::CFURLGetFSRef(appURL, &typeAppFSRef)) { - haveAppForType = true; - MOZ_LOG(mLog, LogLevel::Debug, ("LSCopyApplicationForMIMEType found a default application\n")); - } - if (appURL) { - ::CFRelease(appURL); - } - } - } - if (!aFileExt.IsEmpty()) { - // CFStringCreateWithCString() can fail even if we're not out of memory -- - // for example if the 'cStr' parameter is something very wierd (like "ÿÿ~" - // aka "\xFF\xFF~"), or possibly if it can't be interpreted as using what's - // specified in the 'encoding' parameter. See bug 548719. - CFStringRef cfExt = ::CFStringCreateWithCString(NULL, flatExt.get(), kCFStringEncodingUTF8); - if (cfExt) { - err = ::LSGetApplicationForInfo(kLSUnknownType, kLSUnknownCreator, cfExt, - kLSRolesAll, &extAppFSRef, nullptr); - if (err == noErr) { - haveAppForExt = true; - MOZ_LOG(mLog, LogLevel::Debug, ("LSGetApplicationForInfo found a default application\n")); - } - ::CFRelease(cfExt); - } - } - - if (haveAppForType && haveAppForExt) { - // Do aMIMEType and aFileExt match? - if (::FSCompareFSRefs((const FSRef *) &typeAppFSRef, (const FSRef *) &extAppFSRef) == noErr) { - typeAppIsDefault = true; - *aFound = true; - } - } else if (haveAppForType) { - // If aFileExt isn't empty, it doesn't match aMIMEType. - if (aFileExt.IsEmpty()) { - typeAppIsDefault = true; - *aFound = true; - } - } else if (haveAppForExt) { - // If aMIMEType isn't empty, it doesn't match aFileExt, which should mean - // that we haven't found a matching app. But make an exception for an app - // that also explicitly claims to handle aMIMEType, or which doesn't claim - // to handle any MIME types. This helps work around the following Apple - // design flaw: - // - // Launch Services is somewhat unreliable about registering Apple apps to - // handle MIME types. Probably this is because Apple has officially - // deprecated support for MIME types (in favor of UTIs). As a result, - // most of Apple's own apps don't explicitly claim to handle any MIME - // types (instead they claim to handle one or more UTIs). So Launch - // Services must contain logic to translate support for a given UTI into - // support for one or more MIME types, and it doesn't always do this - // correctly. For example DiskImageMounter isn't (by default) registered - // to handle the application/x-apple-diskimage MIME type. See bug 675356. - // - // Apple has also deprecated support for file extensions, and Apple apps - // also don't register to handle them. But for some reason Launch Services - // is (apparently) better about translating support for a given UTI into - // support for one or more file extensions. It's not at all clear why. - if (aMIMEType.IsEmpty()) { - extAppIsDefault = true; - *aFound = true; - } else { - CFArrayRef extAppMIMETypes = GetMIMETypesHandledByApp(&extAppFSRef); - if (extAppMIMETypes) { - if (cfMIMEType) { - if (::CFArrayContainsValue(extAppMIMETypes, - ::CFRangeMake(0, ::CFArrayGetCount(extAppMIMETypes)), - cfMIMEType)) { - extAppIsDefault = true; - *aFound = true; - } - } - ::CFRelease(extAppMIMETypes); - } else { - extAppIsDefault = true; - *aFound = true; - } - } - } - - if (cfMIMEType) { - ::CFRelease(cfMIMEType); - } - - if (aMIMEType.IsEmpty()) { - if (haveAppForExt) { - // If aMIMEType is empty and we've found a default app for aFileExt, try - // to get the MIME type from aFileExt. (It might also be worth doing - // this when aMIMEType isn't empty but haveAppForType is false -- but - // the doc for this method says that if we have a MIME type (in - // aMIMEType), we need to give it preference.) - NSURLFileTypeMappings *map = [NSURLFileTypeMappings sharedMappings]; - NSString *extStr = [NSString stringWithCString:flatExt.get() encoding:NSASCIIStringEncoding]; - NSString *typeStr = map ? [map MIMETypeForExtension:extStr] : NULL; - if (typeStr) { - nsAutoCString mimeType; - mimeType.Assign((char *)[typeStr cStringUsingEncoding:NSASCIIStringEncoding]); - mimeInfoMac->SetMIMEType(mimeType); - haveAppForType = true; - } else { - // Sometimes the OS won't give us a MIME type for an extension that's - // registered with Launch Services and has a default app: For example - // Real Player registers itself for the "ogg" extension and for the - // audio/x-ogg and application/x-ogg MIME types, but - // MIMETypeForExtension returns nil for the "ogg" extension even on - // systems where Real Player is installed. This is probably an Apple - // bug. But bad things happen if we return an nsIMIMEInfo structure - // with an empty MIME type and set *aFound to true. So in this - // case we need to set it to false here. - haveAppForExt = false; - extAppIsDefault = false; - *aFound = false; - } - } else { - // Otherwise set the MIME type to a reasonable fallback. - mimeInfoMac->SetMIMEType(NS_LITERAL_CSTRING(APPLICATION_OCTET_STREAM)); - } - } - - if (typeAppIsDefault || extAppIsDefault) { - if (haveAppForExt) - mimeInfoMac->AppendExtension(aFileExt); - - nsCOMPtr<nsILocalFileMac> app(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID)); - if (!app) { - [localPool release]; - return nullptr; - } - - CFStringRef cfAppName = NULL; - if (typeAppIsDefault) { - app->InitWithFSRef(&typeAppFSRef); - ::LSCopyItemAttribute((const FSRef *) &typeAppFSRef, kLSRolesAll, - kLSItemDisplayName, (CFTypeRef *) &cfAppName); - } else { - app->InitWithFSRef(&extAppFSRef); - ::LSCopyItemAttribute((const FSRef *) &extAppFSRef, kLSRolesAll, - kLSItemDisplayName, (CFTypeRef *) &cfAppName); - } - if (cfAppName) { - AutoTArray<UniChar, 255> buffer; - CFIndex appNameLength = ::CFStringGetLength(cfAppName); - buffer.SetLength(appNameLength); - ::CFStringGetCharacters(cfAppName, CFRangeMake(0, appNameLength), - buffer.Elements()); - nsAutoString appName; - appName.Assign(reinterpret_cast<char16_t*>(buffer.Elements()), appNameLength); - mimeInfoMac->SetDefaultDescription(appName); - ::CFRelease(cfAppName); - } - - mimeInfoMac->SetDefaultApplication(app); - mimeInfoMac->SetPreferredAction(nsIMIMEInfo::useSystemDefault); - } else { - mimeInfoMac->SetPreferredAction(nsIMIMEInfo::saveToDisk); - } - - nsAutoCString mimeType; - mimeInfoMac->GetMIMEType(mimeType); - if (*aFound && !mimeType.IsEmpty()) { - // If we have a MIME type, make sure its preferred extension is included - // in our list. - NSURLFileTypeMappings *map = [NSURLFileTypeMappings sharedMappings]; - NSString *typeStr = [NSString stringWithCString:mimeType.get() encoding:NSASCIIStringEncoding]; - NSString *extStr = map ? [map preferredExtensionForMIMEType:typeStr] : NULL; - if (extStr) { - nsAutoCString preferredExt; - preferredExt.Assign((char *)[extStr cStringUsingEncoding:NSASCIIStringEncoding]); - mimeInfoMac->AppendExtension(preferredExt); - } - - CFStringRef cfType = ::CFStringCreateWithCString(NULL, mimeType.get(), kCFStringEncodingUTF8); - if (cfType) { - CFStringRef cfTypeDesc = NULL; - if (::LSCopyKindStringForMIMEType(cfType, &cfTypeDesc) == noErr) { - AutoTArray<UniChar, 255> buffer; - CFIndex typeDescLength = ::CFStringGetLength(cfTypeDesc); - buffer.SetLength(typeDescLength); - ::CFStringGetCharacters(cfTypeDesc, CFRangeMake(0, typeDescLength), - buffer.Elements()); - nsAutoString typeDesc; - typeDesc.Assign(reinterpret_cast<char16_t*>(buffer.Elements()), typeDescLength); - mimeInfoMac->SetDescription(typeDesc); - } - if (cfTypeDesc) { - ::CFRelease(cfTypeDesc); - } - ::CFRelease(cfType); - } - } - - MOZ_LOG(mLog, LogLevel::Debug, ("OS gave us: type '%s' found '%i'\n", mimeType.get(), *aFound)); - - [localPool release]; - return mimeInfoMac.forget(); - - NS_OBJC_END_TRY_ABORT_BLOCK_NSNULL; -} - -NS_IMETHODIMP -nsOSHelperAppService::GetProtocolHandlerInfoFromOS(const nsACString &aScheme, - bool *found, - nsIHandlerInfo **_retval) -{ - NS_ASSERTION(!aScheme.IsEmpty(), "No scheme was specified!"); - - nsresult rv = OSProtocolHandlerExists(nsPromiseFlatCString(aScheme).get(), - found); - if (NS_FAILED(rv)) - return rv; - - nsMIMEInfoMac *handlerInfo = - new nsMIMEInfoMac(aScheme, nsMIMEInfoBase::eProtocolInfo); - NS_ENSURE_TRUE(handlerInfo, NS_ERROR_OUT_OF_MEMORY); - NS_ADDREF(*_retval = handlerInfo); - - if (!*found) { - // Code that calls this requires an object regardless if the OS has - // something for us, so we return the empty object. - return NS_OK; - } - - nsAutoString desc; - rv = GetApplicationDescription(aScheme, desc); - NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "GetApplicationDescription failed"); - handlerInfo->SetDefaultDescription(desc); - - return NS_OK; -} - |