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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /uriloader/exthandler/unix
parentInitial commit. (diff)
downloadthunderbird-upstream.tar.xz
thunderbird-upstream.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'uriloader/exthandler/unix')
-rw-r--r--uriloader/exthandler/unix/nsGNOMERegistry.cpp101
-rw-r--r--uriloader/exthandler/unix/nsGNOMERegistry.h28
-rw-r--r--uriloader/exthandler/unix/nsMIMEInfoUnix.cpp84
-rw-r--r--uriloader/exthandler/unix/nsMIMEInfoUnix.h30
-rw-r--r--uriloader/exthandler/unix/nsOSHelperAppService.cpp1498
-rw-r--r--uriloader/exthandler/unix/nsOSHelperAppService.h122
6 files changed, 1863 insertions, 0 deletions
diff --git a/uriloader/exthandler/unix/nsGNOMERegistry.cpp b/uriloader/exthandler/unix/nsGNOMERegistry.cpp
new file mode 100644
index 0000000000..dad4adbfd7
--- /dev/null
+++ b/uriloader/exthandler/unix/nsGNOMERegistry.cpp
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; tab-width: 2; 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 "nsGNOMERegistry.h"
+#include "nsString.h"
+#include "nsMIMEInfoUnix.h"
+#include "nsIGIOService.h"
+
+/* static */
+bool nsGNOMERegistry::HandlerExists(const char* aProtocolScheme) {
+ nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+ if (!giovfs) {
+ return false;
+ }
+
+ nsCOMPtr<nsIHandlerApp> app;
+ return NS_SUCCEEDED(giovfs->GetAppForURIScheme(
+ nsDependentCString(aProtocolScheme), getter_AddRefs(app)));
+}
+
+// XXX Check HandlerExists() before calling LoadURL.
+
+/* static */
+nsresult nsGNOMERegistry::LoadURL(nsIURI* aURL) {
+ nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+ if (!giovfs) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return giovfs->ShowURI(aURL);
+}
+
+/* static */
+void nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme,
+ nsAString& aDesc) {
+ nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+ if (!giovfs) return;
+
+ nsCOMPtr<nsIHandlerApp> app;
+ if (NS_FAILED(giovfs->GetAppForURIScheme(aScheme, getter_AddRefs(app))))
+ return;
+
+ app->GetName(aDesc);
+}
+
+/* static */
+already_AddRefed<nsMIMEInfoBase> nsGNOMERegistry::GetFromExtension(
+ const nsACString& aFileExt) {
+ nsAutoCString mimeType;
+ nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+ if (!giovfs) {
+ return nullptr;
+ }
+
+ // Get the MIME type from the extension, then call GetFromType to
+ // fill in the MIMEInfo.
+ if (NS_FAILED(giovfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
+ mimeType.EqualsLiteral("application/octet-stream")) {
+ return nullptr;
+ }
+
+ RefPtr<nsMIMEInfoBase> mi = GetFromType(mimeType);
+ if (mi) {
+ mi->AppendExtension(aFileExt);
+ }
+
+ return mi.forget();
+}
+
+/* static */
+already_AddRefed<nsMIMEInfoBase> nsGNOMERegistry::GetFromType(
+ const nsACString& aMIMEType) {
+ RefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
+ NS_ENSURE_TRUE(mimeInfo, nullptr);
+
+ nsAutoString name;
+ nsAutoCString description;
+
+ nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+ if (!giovfs) {
+ return nullptr;
+ }
+
+ nsCOMPtr<nsIHandlerApp> handlerApp;
+ if (NS_FAILED(
+ giovfs->GetAppForMimeType(aMIMEType, getter_AddRefs(handlerApp))) ||
+ !handlerApp) {
+ return nullptr;
+ }
+ handlerApp->GetName(name);
+ giovfs->GetDescriptionForMimeType(aMIMEType, description);
+
+ mimeInfo->SetDefaultDescription(name);
+
+ mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
+ mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description));
+
+ return mimeInfo.forget();
+}
diff --git a/uriloader/exthandler/unix/nsGNOMERegistry.h b/uriloader/exthandler/unix/nsGNOMERegistry.h
new file mode 100644
index 0000000000..ea626c5b50
--- /dev/null
+++ b/uriloader/exthandler/unix/nsGNOMERegistry.h
@@ -0,0 +1,28 @@
+/* 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 nsGNOMERegistry_h
+#define nsGNOMERegistry_h
+
+#include "nsIURI.h"
+#include "nsCOMPtr.h"
+
+class nsMIMEInfoBase;
+
+class nsGNOMERegistry {
+ public:
+ static bool HandlerExists(const char* aProtocolScheme);
+
+ static nsresult LoadURL(nsIURI* aURL);
+
+ static void GetAppDescForScheme(const nsACString& aScheme, nsAString& aDesc);
+
+ static already_AddRefed<nsMIMEInfoBase> GetFromExtension(
+ const nsACString& aFileExt);
+
+ static already_AddRefed<nsMIMEInfoBase> GetFromType(
+ const nsACString& aMIMEType);
+};
+
+#endif // nsGNOMERegistry_h
diff --git a/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp b/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp
new file mode 100644
index 0000000000..330c441159
--- /dev/null
+++ b/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp
@@ -0,0 +1,84 @@
+/* -*- 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 "nsMIMEInfoUnix.h"
+#include "nsGNOMERegistry.h"
+#include "nsIGIOService.h"
+#include "nsNetCID.h"
+#include "nsIIOService.h"
+#ifdef MOZ_ENABLE_DBUS
+# include "nsDBusHandlerApp.h"
+#endif
+
+nsresult nsMIMEInfoUnix::LoadUriInternal(nsIURI* aURI) {
+ return nsGNOMERegistry::LoadURL(aURI);
+}
+
+NS_IMETHODIMP
+nsMIMEInfoUnix::GetHasDefaultHandler(bool* _retval) {
+ // if a default app is set, it means the application has been set from
+ // either /etc/mailcap or ${HOME}/.mailcap, in which case we don't want to
+ // give the GNOME answer.
+ if (GetDefaultApplication()) {
+ return nsMIMEInfoImpl::GetHasDefaultHandler(_retval);
+ }
+
+ *_retval = false;
+
+ if (mClass == eProtocolInfo) {
+ *_retval = nsGNOMERegistry::HandlerExists(mSchemeOrType.get());
+ } else {
+ RefPtr<nsMIMEInfoBase> mimeInfo =
+ nsGNOMERegistry::GetFromType(mSchemeOrType);
+ if (!mimeInfo) {
+ nsAutoCString ext;
+ nsresult rv = GetPrimaryExtension(ext);
+ if (NS_SUCCEEDED(rv)) {
+ mimeInfo = nsGNOMERegistry::GetFromExtension(ext);
+ }
+ }
+ if (mimeInfo) *_retval = true;
+ }
+
+ if (*_retval) return NS_OK;
+
+ return NS_OK;
+}
+
+nsresult nsMIMEInfoUnix::LaunchDefaultWithFile(nsIFile* aFile) {
+ // if a default app is set, it means the application has been set from
+ // either /etc/mailcap or ${HOME}/.mailcap, in which case we don't want to
+ // give the GNOME answer.
+ if (GetDefaultApplication()) {
+ return nsMIMEInfoImpl::LaunchDefaultWithFile(aFile);
+ }
+
+ nsAutoCString nativePath;
+ aFile->GetNativePath(nativePath);
+
+ nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
+ if (!giovfs) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // nsGIOMimeApp->Launch wants a URI string instead of local file
+ nsresult rv;
+ nsCOMPtr<nsIIOService> ioservice =
+ do_GetService(NS_IOSERVICE_CONTRACTID, &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+ nsCOMPtr<nsIURI> uri;
+ rv = ioservice->NewFileURI(aFile, getter_AddRefs(uri));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIHandlerApp> app;
+ if (NS_FAILED(
+ giovfs->GetAppForMimeType(mSchemeOrType, getter_AddRefs(app))) ||
+ !app) {
+ return NS_ERROR_FILE_NOT_FOUND;
+ }
+
+ return app->LaunchWithURI(uri, nullptr);
+}
diff --git a/uriloader/exthandler/unix/nsMIMEInfoUnix.h b/uriloader/exthandler/unix/nsMIMEInfoUnix.h
new file mode 100644
index 0000000000..2e32be4915
--- /dev/null
+++ b/uriloader/exthandler/unix/nsMIMEInfoUnix.h
@@ -0,0 +1,30 @@
+/* -*- 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/. */
+
+#ifndef nsMIMEInfoUnix_h_
+#define nsMIMEInfoUnix_h_
+
+#include "nsMIMEInfoImpl.h"
+
+class nsMIMEInfoUnix : public nsMIMEInfoImpl {
+ public:
+ explicit nsMIMEInfoUnix(const char* aMIMEType = "")
+ : nsMIMEInfoImpl(aMIMEType) {}
+ explicit nsMIMEInfoUnix(const nsACString& aMIMEType)
+ : nsMIMEInfoImpl(aMIMEType) {}
+ nsMIMEInfoUnix(const nsACString& aType, HandlerClass aClass)
+ : nsMIMEInfoImpl(aType, aClass) {}
+ static bool HandlerExists(const char* aProtocolScheme);
+
+ protected:
+ NS_IMETHOD GetHasDefaultHandler(bool* _retval) override;
+
+ virtual nsresult LoadUriInternal(nsIURI* aURI) override;
+
+ virtual nsresult LaunchDefaultWithFile(nsIFile* aFile) override;
+};
+
+#endif // nsMIMEInfoUnix_h_
diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.cpp b/uriloader/exthandler/unix/nsOSHelperAppService.cpp
new file mode 100644
index 0000000000..7f6eaa46f2
--- /dev/null
+++ b/uriloader/exthandler/unix/nsOSHelperAppService.cpp
@@ -0,0 +1,1498 @@
+/* -*- 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 "nsMIMEInfoUnix.h"
+#ifdef MOZ_WIDGET_GTK
+# include "nsGNOMERegistry.h"
+# ifdef MOZ_BUILD_APP_IS_BROWSER
+# include "nsIToolkitShellService.h"
+# include "nsIGNOMEShellService.h"
+# endif
+#endif
+#include "nsISupports.h"
+#include "nsString.h"
+#include "nsReadableUtils.h"
+#include "nsUnicharUtils.h"
+#include "nsIFileStreams.h"
+#include "nsILineInputStream.h"
+#include "nsIFile.h"
+#include "nsIProcess.h"
+#include "nsNetCID.h"
+#include "nsXPCOM.h"
+#include "nsComponentManagerUtils.h"
+#include "nsCRT.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsDirectoryServiceUtils.h"
+#include "nsXULAppAPI.h"
+#include "ContentHandlerService.h"
+#include "prenv.h" // for PR_GetEnv()
+#include "mozilla/EnumeratedRange.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/ClearOnShutdown.h"
+#include "nsMimeTypes.h"
+#include <mutex>
+
+using namespace mozilla;
+
+#define LOG(...) \
+ MOZ_LOG(nsOSHelperAppService::sLog, mozilla::LogLevel::Debug, (__VA_ARGS__))
+#define LOG_ENABLED() \
+ MOZ_LOG_TEST(nsOSHelperAppService::sLog, mozilla::LogLevel::Debug)
+
+static nsresult FindSemicolon(nsAString::const_iterator& aSemicolon_iter,
+ const nsAString::const_iterator& aEnd_iter);
+static nsresult ParseMIMEType(const nsAString::const_iterator& aStart_iter,
+ nsAString::const_iterator& aMajorTypeStart,
+ nsAString::const_iterator& aMajorTypeEnd,
+ nsAString::const_iterator& aMinorTypeStart,
+ nsAString::const_iterator& aMinorTypeEnd,
+ const nsAString::const_iterator& aEnd_iter);
+
+inline bool IsNetscapeFormat(const nsACString& aBuffer);
+
+nsOSHelperAppService::~nsOSHelperAppService() {}
+
+/*
+ * Take a command with all the mailcap escapes in it and unescape it
+ * Ideally this needs the mime type, mime type options, and location of the
+ * temporary file, but this last can't be got from here
+ */
+// static
+nsresult nsOSHelperAppService::UnescapeCommand(const nsAString& aEscapedCommand,
+ const nsAString& aMajorType,
+ const nsAString& aMinorType,
+ nsACString& aUnEscapedCommand) {
+ LOG("-- UnescapeCommand");
+ LOG("Command to escape: '%s'\n",
+ NS_LossyConvertUTF16toASCII(aEscapedCommand).get());
+ // XXX This function will need to get the mime type and various stuff like
+ // that being passed in to work properly
+
+ LOG(
+ ("UnescapeCommand really needs some work -- it should actually do some "
+ "unescaping\n"));
+
+ CopyUTF16toUTF8(aEscapedCommand, aUnEscapedCommand);
+ LOG("Escaped command: '%s'\n", PromiseFlatCString(aUnEscapedCommand).get());
+ return NS_OK;
+}
+
+/* Put aSemicolon_iter at the first non-escaped semicolon after
+ * aStart_iter but before aEnd_iter
+ */
+
+static nsresult FindSemicolon(nsAString::const_iterator& aSemicolon_iter,
+ const nsAString::const_iterator& aEnd_iter) {
+ bool semicolonFound = false;
+ while (aSemicolon_iter != aEnd_iter && !semicolonFound) {
+ switch (*aSemicolon_iter) {
+ case '\\':
+ aSemicolon_iter.advance(2);
+ break;
+ case ';':
+ semicolonFound = true;
+ break;
+ default:
+ ++aSemicolon_iter;
+ break;
+ }
+ }
+ return NS_OK;
+}
+
+static nsresult ParseMIMEType(const nsAString::const_iterator& aStart_iter,
+ nsAString::const_iterator& aMajorTypeStart,
+ nsAString::const_iterator& aMajorTypeEnd,
+ nsAString::const_iterator& aMinorTypeStart,
+ nsAString::const_iterator& aMinorTypeEnd,
+ const nsAString::const_iterator& aEnd_iter) {
+ nsAString::const_iterator iter(aStart_iter);
+
+ // skip leading whitespace
+ while (iter != aEnd_iter && nsCRT::IsAsciiSpace(*iter)) {
+ ++iter;
+ }
+
+ if (iter == aEnd_iter) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ aMajorTypeStart = iter;
+
+ // find major/minor separator ('/')
+ while (iter != aEnd_iter && *iter != '/') {
+ ++iter;
+ }
+
+ if (iter == aEnd_iter) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ aMajorTypeEnd = iter;
+
+ // skip '/'
+ ++iter;
+
+ if (iter == aEnd_iter) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ aMinorTypeStart = iter;
+
+ // find end of minor type, delimited by whitespace or ';'
+ while (iter != aEnd_iter && !nsCRT::IsAsciiSpace(*iter) && *iter != ';') {
+ ++iter;
+ }
+
+ aMinorTypeEnd = iter;
+
+ return NS_OK;
+}
+
+// TODO: We should consider not only caching the file location but maybe the
+// file contents too?
+enum class FileKind {
+ PrivateMimeTypes = 0,
+ GlobalMimeTypes,
+ PrivateMailCap,
+ GlobalMailCap,
+
+ Count,
+};
+
+struct FileLocationCache {
+ struct Entry {
+ bool mIsCached = false;
+ nsresult mResult = NS_OK;
+ nsString mLocation;
+
+ void Clear() { *this = {}; }
+ };
+
+ EnumeratedArray<FileKind, FileKind::Count, Entry> mEntries;
+
+ static const char* PrefFor(FileKind aKind) {
+ switch (aKind) {
+ case FileKind::GlobalMimeTypes:
+ return "helpers.global_mime_types_file";
+ case FileKind::PrivateMimeTypes:
+ return "helpers.private_mime_types_file";
+ case FileKind::GlobalMailCap:
+ return "helpers.global_mailcap_file";
+ case FileKind::PrivateMailCap:
+ return "helpers.private_mailcap_file";
+ case FileKind::Count:
+ break;
+ }
+ MOZ_ASSERT_UNREACHABLE("Unknown file kind");
+ return "";
+ }
+
+ void Clear() {
+ for (auto& entry : mEntries) {
+ entry.Clear();
+ }
+ }
+
+ static void PrefChangeCallback(const char*, void*) { Get().Clear(); }
+
+ static FileLocationCache& Get() {
+ static FileLocationCache sCache;
+ static std::once_flag flag;
+ std::call_once(flag, [&] {
+ for (auto kind :
+ MakeEnumeratedRange(FileKind::PrivateMimeTypes, FileKind::Count)) {
+ Preferences::RegisterCallback(PrefChangeCallback,
+ nsDependentCString(PrefFor(kind)));
+ }
+ RunOnShutdown([] {
+ sCache.Clear();
+ for (auto kind :
+ MakeEnumeratedRange(FileKind::PrivateMimeTypes, FileKind::Count)) {
+ Preferences::UnregisterCallback(PrefChangeCallback,
+ nsDependentCString(PrefFor(kind)));
+ }
+ });
+ });
+ return sCache;
+ }
+
+ Entry& EntryFor(FileKind aKind) { return mEntries[aKind]; }
+};
+
+// The lookup order is:
+// 1) user pref
+// 2) env var (if any)
+// 3) pref
+static nsresult DoGetFileLocation(FileKind aKind, nsAString& aFileLocation) {
+ LOG("-- GetFileLocation(%d)\n", int(aKind));
+
+ aFileLocation.Truncate();
+
+ const char* envVar = [&]() -> const char* {
+ switch (aKind) {
+ case FileKind::PrivateMailCap:
+ return "PERSONAL_MAILCAP";
+ case FileKind::GlobalMailCap:
+ return "MAILCAP";
+ default:
+ return nullptr;
+ }
+ }();
+
+ const char* prefName = FileLocationCache::PrefFor(aKind);
+
+ if (envVar) {
+ // If we have an env var we should check whether the pref is a user pref. If
+ // we do not, we don't care.
+ if (Preferences::HasUserValue(prefName) &&
+ NS_SUCCEEDED(Preferences::GetString(prefName, aFileLocation))) {
+ return NS_OK;
+ }
+
+ char* envValue = PR_GetEnv(envVar);
+ if (envValue && *envValue) {
+ // the pref is in the system charset and it's a filepath... The
+ // natural way to do the charset conversion is by just initing
+ // an nsIFile with the native path and asking it for the Unicode
+ // version.
+ nsresult rv;
+ nsCOMPtr<nsIFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = file->InitWithNativePath(nsDependentCString(envValue));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return file->GetPath(aFileLocation);
+ }
+ }
+
+ return Preferences::GetString(prefName, aFileLocation);
+}
+
+static nsresult GetFileLocation(FileKind aKind, nsAString& aFileLocation) {
+ MOZ_ASSERT(NS_IsMainThread());
+ auto& entry = FileLocationCache::Get().EntryFor(aKind);
+ if (!entry.mIsCached) {
+ entry.mIsCached = true;
+ entry.mResult = DoGetFileLocation(aKind, entry.mLocation);
+ }
+ aFileLocation = entry.mLocation;
+ return entry.mResult;
+}
+
+/* Get the mime.types file names from prefs and look up info in them
+ based on extension */
+// static
+nsresult nsOSHelperAppService::LookUpTypeAndDescription(
+ const nsAString& aFileExtension, nsAString& aMajorType,
+ nsAString& aMinorType, nsAString& aDescription, bool aUserData) {
+ LOG("-- LookUpTypeAndDescription for extension '%s'\n",
+ NS_LossyConvertUTF16toASCII(aFileExtension).get());
+ nsAutoString mimeFileName;
+
+ auto kind =
+ aUserData ? FileKind::PrivateMimeTypes : FileKind::GlobalMimeTypes;
+ nsresult rv = GetFileLocation(kind, mimeFileName);
+ if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
+ rv = GetTypeAndDescriptionFromMimetypesFile(
+ mimeFileName, aFileExtension, aMajorType, aMinorType, aDescription);
+ } else {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return rv;
+}
+
+inline bool IsNetscapeFormat(const nsACString& aBuffer) {
+ return StringBeginsWith(
+ aBuffer,
+ nsLiteralCString(
+ "#--Netscape Communications Corporation MIME Information")) ||
+ StringBeginsWith(aBuffer, "#--MCOM MIME Information"_ns);
+}
+
+/*
+ * Create a file stream and line input stream for the filename.
+ * Leaves the first line of the file in aBuffer and sets the format to
+ * true for netscape files and false for normail ones
+ */
+// static
+nsresult nsOSHelperAppService::CreateInputStream(
+ const nsAString& aFilename, nsIFileInputStream** aFileInputStream,
+ nsILineInputStream** aLineInputStream, nsACString& aBuffer,
+ bool* aNetscapeFormat, bool* aMore) {
+ LOG("-- CreateInputStream");
+ nsresult rv = NS_OK;
+
+ nsCOMPtr<nsIFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
+ if (NS_FAILED(rv)) return rv;
+ rv = file->InitWithPath(aFilename);
+ if (NS_FAILED(rv)) return rv;
+
+ nsCOMPtr<nsIFileInputStream> fileStream(
+ do_CreateInstance(NS_LOCALFILEINPUTSTREAM_CONTRACTID, &rv));
+ if (NS_FAILED(rv)) return rv;
+ rv = fileStream->Init(file, -1, -1, false);
+ if (NS_FAILED(rv)) return rv;
+
+ nsCOMPtr<nsILineInputStream> lineStream(do_QueryInterface(fileStream, &rv));
+
+ if (NS_FAILED(rv)) {
+ LOG("Interface trouble in stream land!");
+ return rv;
+ }
+
+ rv = lineStream->ReadLine(aBuffer, aMore);
+ if (NS_FAILED(rv)) {
+ fileStream->Close();
+ return rv;
+ }
+
+ *aNetscapeFormat = IsNetscapeFormat(aBuffer);
+
+ *aFileInputStream = fileStream;
+ NS_ADDREF(*aFileInputStream);
+ *aLineInputStream = lineStream;
+ NS_ADDREF(*aLineInputStream);
+
+ return NS_OK;
+}
+
+/* Open the file, read the first line, decide what type of file it is,
+ then get info based on extension */
+// static
+nsresult nsOSHelperAppService::GetTypeAndDescriptionFromMimetypesFile(
+ const nsAString& aFilename, const nsAString& aFileExtension,
+ nsAString& aMajorType, nsAString& aMinorType, nsAString& aDescription) {
+ LOG("-- GetTypeAndDescriptionFromMimetypesFile\n");
+ LOG("Getting type and description from types file '%s'\n",
+ NS_LossyConvertUTF16toASCII(aFilename).get());
+ LOG("Using extension '%s'\n",
+ NS_LossyConvertUTF16toASCII(aFileExtension).get());
+ nsCOMPtr<nsIFileInputStream> mimeFile;
+ nsCOMPtr<nsILineInputStream> mimeTypes;
+ bool netscapeFormat;
+ nsAutoString buf;
+ nsAutoCString cBuf;
+ bool more = false;
+ nsresult rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile),
+ getter_AddRefs(mimeTypes), cBuf,
+ &netscapeFormat, &more);
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsAutoString extensions;
+ nsAutoStringN<101> entry;
+ nsAString::const_iterator majorTypeStart, majorTypeEnd, minorTypeStart,
+ minorTypeEnd, descriptionStart, descriptionEnd;
+
+ do {
+ CopyASCIItoUTF16(cBuf, buf);
+ // read through, building up an entry. If we finish an entry, check for
+ // a match and return out of the loop if we match
+
+ // skip comments and empty lines
+ if (!buf.IsEmpty() && buf.First() != '#') {
+ entry.Append(buf);
+ if (entry.Last() == '\\') {
+ entry.Truncate(entry.Length() - 1);
+ entry.Append(char16_t(
+ ' ')); // in case there is no trailing whitespace on this line
+ } else { // we have a full entry
+ LOG("Current entry: '%s'\n", NS_LossyConvertUTF16toASCII(entry).get());
+ if (netscapeFormat) {
+ rv = ParseNetscapeMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart, minorTypeEnd,
+ extensions, descriptionStart, descriptionEnd);
+ if (NS_FAILED(rv)) {
+ // We sometimes get things like RealPlayer appending
+ // "normal" entries to "Netscape" .mime.types files. Try
+ // to handle that. Bug 106381.
+ LOG("Bogus entry; trying 'normal' mode\n");
+ rv = ParseNormalMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart,
+ minorTypeEnd, extensions, descriptionStart, descriptionEnd);
+ }
+ } else {
+ rv = ParseNormalMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart, minorTypeEnd,
+ extensions, descriptionStart, descriptionEnd);
+ if (NS_FAILED(rv)) {
+ // We sometimes get things like StarOffice prepending
+ // "normal" entries to "Netscape" .mime.types files. Try
+ // to handle that. Bug 136670.
+ LOG("Bogus entry; trying 'Netscape' mode\n");
+ rv = ParseNetscapeMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart,
+ minorTypeEnd, extensions, descriptionStart, descriptionEnd);
+ }
+ }
+
+ if (NS_SUCCEEDED(rv)) { // entry parses
+ nsAString::const_iterator start, end;
+ extensions.BeginReading(start);
+ extensions.EndReading(end);
+ nsAString::const_iterator iter(start);
+
+ while (start != end) {
+ FindCharInReadable(',', iter, end);
+ if (Substring(start, iter)
+ .Equals(aFileExtension,
+ nsCaseInsensitiveStringComparator)) {
+ // it's a match. Assign the type and description and run
+ aMajorType.Assign(Substring(majorTypeStart, majorTypeEnd));
+ aMinorType.Assign(Substring(minorTypeStart, minorTypeEnd));
+ aDescription.Assign(Substring(descriptionStart, descriptionEnd));
+ mimeFile->Close();
+ return NS_OK;
+ }
+ if (iter != end) {
+ ++iter;
+ }
+ start = iter;
+ }
+ } else {
+ LOG("Failed to parse entry: %s\n",
+ NS_LossyConvertUTF16toASCII(entry).get());
+ }
+ // truncate the entry for the next iteration
+ entry.Truncate();
+ }
+ }
+ if (!more) {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ break;
+ }
+ // read the next line
+ rv = mimeTypes->ReadLine(cBuf, &more);
+ } while (NS_SUCCEEDED(rv));
+
+ mimeFile->Close();
+ return rv;
+}
+
+/* Get the mime.types file names from prefs and look up info in them
+ based on mimetype */
+// static
+nsresult nsOSHelperAppService::LookUpExtensionsAndDescription(
+ const nsAString& aMajorType, const nsAString& aMinorType,
+ nsAString& aFileExtensions, nsAString& aDescription) {
+ LOG("-- LookUpExtensionsAndDescription for type '%s/%s'\n",
+ NS_LossyConvertUTF16toASCII(aMajorType).get(),
+ NS_LossyConvertUTF16toASCII(aMinorType).get());
+ nsAutoString mimeFileName;
+
+ nsresult rv = GetFileLocation(FileKind::PrivateMimeTypes, mimeFileName);
+ if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
+ rv = GetExtensionsAndDescriptionFromMimetypesFile(
+ mimeFileName, aMajorType, aMinorType, aFileExtensions, aDescription);
+ } else {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ }
+ if (NS_FAILED(rv) || aFileExtensions.IsEmpty()) {
+ rv = GetFileLocation(FileKind::GlobalMimeTypes, mimeFileName);
+ if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
+ rv = GetExtensionsAndDescriptionFromMimetypesFile(
+ mimeFileName, aMajorType, aMinorType, aFileExtensions, aDescription);
+ } else {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ }
+ }
+ return rv;
+}
+
+/* Open the file, read the first line, decide what type of file it is,
+ then get info based on extension */
+// static
+nsresult nsOSHelperAppService::GetExtensionsAndDescriptionFromMimetypesFile(
+ const nsAString& aFilename, const nsAString& aMajorType,
+ const nsAString& aMinorType, nsAString& aFileExtensions,
+ nsAString& aDescription) {
+ LOG("-- GetExtensionsAndDescriptionFromMimetypesFile\n");
+ LOG("Getting extensions and description from types file '%s'\n",
+ NS_LossyConvertUTF16toASCII(aFilename).get());
+ LOG("Using type '%s/%s'\n", NS_LossyConvertUTF16toASCII(aMajorType).get(),
+ NS_LossyConvertUTF16toASCII(aMinorType).get());
+ nsCOMPtr<nsIFileInputStream> mimeFile;
+ nsCOMPtr<nsILineInputStream> mimeTypes;
+ bool netscapeFormat;
+ nsAutoCString cBuf;
+ nsAutoString buf;
+ bool more = false;
+ nsresult rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile),
+ getter_AddRefs(mimeTypes), cBuf,
+ &netscapeFormat, &more);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsAutoString extensions;
+ nsAutoStringN<101> entry;
+ nsAString::const_iterator majorTypeStart, majorTypeEnd, minorTypeStart,
+ minorTypeEnd, descriptionStart, descriptionEnd;
+
+ do {
+ CopyASCIItoUTF16(cBuf, buf);
+ // read through, building up an entry. If we finish an entry, check for
+ // a match and return out of the loop if we match
+
+ // skip comments and empty lines
+ if (!buf.IsEmpty() && buf.First() != '#') {
+ entry.Append(buf);
+ if (entry.Last() == '\\') {
+ entry.Truncate(entry.Length() - 1);
+ entry.Append(char16_t(
+ ' ')); // in case there is no trailing whitespace on this line
+ } else { // we have a full entry
+ LOG("Current entry: '%s'\n", NS_LossyConvertUTF16toASCII(entry).get());
+ if (netscapeFormat) {
+ rv = ParseNetscapeMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart, minorTypeEnd,
+ extensions, descriptionStart, descriptionEnd);
+
+ if (NS_FAILED(rv)) {
+ // We sometimes get things like RealPlayer appending
+ // "normal" entries to "Netscape" .mime.types files. Try
+ // to handle that. Bug 106381.
+ LOG("Bogus entry; trying 'normal' mode\n");
+ rv = ParseNormalMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart,
+ minorTypeEnd, extensions, descriptionStart, descriptionEnd);
+ }
+ } else {
+ rv = ParseNormalMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart, minorTypeEnd,
+ extensions, descriptionStart, descriptionEnd);
+
+ if (NS_FAILED(rv)) {
+ // We sometimes get things like StarOffice prepending
+ // "normal" entries to "Netscape" .mime.types files. Try
+ // to handle that. Bug 136670.
+ LOG("Bogus entry; trying 'Netscape' mode\n");
+ rv = ParseNetscapeMIMETypesEntry(
+ entry, majorTypeStart, majorTypeEnd, minorTypeStart,
+ minorTypeEnd, extensions, descriptionStart, descriptionEnd);
+ }
+ }
+
+ if (NS_SUCCEEDED(rv) &&
+ Substring(majorTypeStart, majorTypeEnd)
+ .Equals(aMajorType, nsCaseInsensitiveStringComparator) &&
+ Substring(minorTypeStart, minorTypeEnd)
+ .Equals(aMinorType, nsCaseInsensitiveStringComparator)) {
+ // it's a match
+ aFileExtensions.Assign(extensions);
+ aDescription.Assign(Substring(descriptionStart, descriptionEnd));
+ mimeFile->Close();
+ return NS_OK;
+ }
+ if (NS_FAILED(rv)) {
+ LOG("Failed to parse entry: %s\n",
+ NS_LossyConvertUTF16toASCII(entry).get());
+ }
+
+ entry.Truncate();
+ }
+ }
+ if (!more) {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ break;
+ }
+ // read the next line
+ rv = mimeTypes->ReadLine(cBuf, &more);
+ } while (NS_SUCCEEDED(rv));
+
+ mimeFile->Close();
+ return rv;
+}
+
+/*
+ * This parses a Netscape format mime.types entry. There are two
+ * possible formats:
+ *
+ * type=foo/bar; options exts="baz" description="Some type"
+ *
+ * and
+ *
+ * type=foo/bar; options description="Some type" exts="baz"
+ */
+// static
+nsresult nsOSHelperAppService::ParseNetscapeMIMETypesEntry(
+ const nsAString& aEntry, nsAString::const_iterator& aMajorTypeStart,
+ nsAString::const_iterator& aMajorTypeEnd,
+ nsAString::const_iterator& aMinorTypeStart,
+ nsAString::const_iterator& aMinorTypeEnd, nsAString& aExtensions,
+ nsAString::const_iterator& aDescriptionStart,
+ nsAString::const_iterator& aDescriptionEnd) {
+ LOG("-- ParseNetscapeMIMETypesEntry\n");
+ NS_ASSERTION(!aEntry.IsEmpty(),
+ "Empty Netscape MIME types entry being parsed.");
+
+ nsAString::const_iterator start_iter, end_iter, match_start, match_end;
+
+ aEntry.BeginReading(start_iter);
+ aEntry.EndReading(end_iter);
+
+ // skip trailing whitespace
+ do {
+ --end_iter;
+ } while (end_iter != start_iter && nsCRT::IsAsciiSpace(*end_iter));
+ // if we're pointing to a quote, don't advance -- we don't want to
+ // include the quote....
+ if (*end_iter != '"') ++end_iter;
+ match_start = start_iter;
+ match_end = end_iter;
+
+ // Get the major and minor types
+ // First the major type
+ if (!FindInReadable(u"type="_ns, match_start, match_end)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ match_start = match_end;
+
+ while (match_end != end_iter && *match_end != '/') {
+ ++match_end;
+ }
+ if (match_end == end_iter) {
+ return NS_ERROR_FAILURE;
+ }
+
+ aMajorTypeStart = match_start;
+ aMajorTypeEnd = match_end;
+
+ // now the minor type
+ if (++match_end == end_iter) {
+ return NS_ERROR_FAILURE;
+ }
+
+ match_start = match_end;
+
+ while (match_end != end_iter && !nsCRT::IsAsciiSpace(*match_end) &&
+ *match_end != ';') {
+ ++match_end;
+ }
+ if (match_end == end_iter) {
+ return NS_ERROR_FAILURE;
+ }
+
+ aMinorTypeStart = match_start;
+ aMinorTypeEnd = match_end;
+
+ // ignore everything up to the end of the mime type from here on
+ start_iter = match_end;
+
+ // get the extensions
+ match_start = match_end;
+ match_end = end_iter;
+ if (FindInReadable(u"exts="_ns, match_start, match_end)) {
+ nsAString::const_iterator extStart, extEnd;
+
+ if (match_end == end_iter ||
+ (*match_end == '"' && ++match_end == end_iter)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ extStart = match_end;
+ match_start = extStart;
+ match_end = end_iter;
+ if (FindInReadable(u"desc=\""_ns, match_start, match_end)) {
+ // exts= before desc=, so we have to find the actual end of the extensions
+ extEnd = match_start;
+ if (extEnd == extStart) {
+ return NS_ERROR_FAILURE;
+ }
+
+ do {
+ --extEnd;
+ } while (extEnd != extStart && nsCRT::IsAsciiSpace(*extEnd));
+
+ if (extEnd != extStart && *extEnd == '"') {
+ --extEnd;
+ }
+ } else {
+ // desc= before exts=, so we can use end_iter as the end of the extensions
+ extEnd = end_iter;
+ }
+ aExtensions = Substring(extStart, extEnd);
+ } else {
+ // no extensions
+ aExtensions.Truncate();
+ }
+
+ // get the description
+ match_start = start_iter;
+ match_end = end_iter;
+ if (FindInReadable(u"desc=\""_ns, match_start, match_end)) {
+ aDescriptionStart = match_end;
+ match_start = aDescriptionStart;
+ match_end = end_iter;
+ if (FindInReadable(u"exts="_ns, match_start, match_end)) {
+ // exts= after desc=, so have to find actual end of description
+ aDescriptionEnd = match_start;
+ if (aDescriptionEnd == aDescriptionStart) {
+ return NS_ERROR_FAILURE;
+ }
+
+ do {
+ --aDescriptionEnd;
+ } while (aDescriptionEnd != aDescriptionStart &&
+ nsCRT::IsAsciiSpace(*aDescriptionEnd));
+ } else {
+ // desc= after exts=, so use end_iter for the description end
+ aDescriptionEnd = end_iter;
+ }
+ } else {
+ // no description
+ aDescriptionStart = start_iter;
+ aDescriptionEnd = start_iter;
+ }
+
+ return NS_OK;
+}
+
+/*
+ * This parses a normal format mime.types entry. The format is:
+ *
+ * major/minor ext1 ext2 ext3
+ */
+// static
+nsresult nsOSHelperAppService::ParseNormalMIMETypesEntry(
+ const nsAString& aEntry, nsAString::const_iterator& aMajorTypeStart,
+ nsAString::const_iterator& aMajorTypeEnd,
+ nsAString::const_iterator& aMinorTypeStart,
+ nsAString::const_iterator& aMinorTypeEnd, nsAString& aExtensions,
+ nsAString::const_iterator& aDescriptionStart,
+ nsAString::const_iterator& aDescriptionEnd) {
+ LOG("-- ParseNormalMIMETypesEntry\n");
+ NS_ASSERTION(!aEntry.IsEmpty(),
+ "Empty Normal MIME types entry being parsed.");
+
+ nsAString::const_iterator start_iter, end_iter, iter;
+
+ aEntry.BeginReading(start_iter);
+ aEntry.EndReading(end_iter);
+
+ // no description
+ aDescriptionStart = start_iter;
+ aDescriptionEnd = start_iter;
+
+ // skip leading whitespace
+ while (start_iter != end_iter && nsCRT::IsAsciiSpace(*start_iter)) {
+ ++start_iter;
+ }
+ if (start_iter == end_iter) {
+ return NS_ERROR_FAILURE;
+ }
+ // skip trailing whitespace
+ do {
+ --end_iter;
+ } while (end_iter != start_iter && nsCRT::IsAsciiSpace(*end_iter));
+
+ ++end_iter; // point to first whitespace char (or to end of string)
+ iter = start_iter;
+
+ // get the major type
+ if (!FindCharInReadable('/', iter, end_iter)) return NS_ERROR_FAILURE;
+
+ nsAString::const_iterator equals_sign_iter(start_iter);
+ if (FindCharInReadable('=', equals_sign_iter, iter))
+ return NS_ERROR_FAILURE; // see bug 136670
+
+ aMajorTypeStart = start_iter;
+ aMajorTypeEnd = iter;
+
+ // get the minor type
+ if (++iter == end_iter) {
+ return NS_ERROR_FAILURE;
+ }
+ start_iter = iter;
+
+ while (iter != end_iter && !nsCRT::IsAsciiSpace(*iter)) {
+ ++iter;
+ }
+ aMinorTypeStart = start_iter;
+ aMinorTypeEnd = iter;
+
+ // get the extensions
+ aExtensions.Truncate();
+ while (iter != end_iter) {
+ while (iter != end_iter && nsCRT::IsAsciiSpace(*iter)) {
+ ++iter;
+ }
+
+ start_iter = iter;
+ while (iter != end_iter && !nsCRT::IsAsciiSpace(*iter)) {
+ ++iter;
+ }
+ aExtensions.Append(Substring(start_iter, iter));
+ if (iter != end_iter) { // not the last extension
+ aExtensions.Append(char16_t(','));
+ }
+ }
+
+ return NS_OK;
+}
+
+// static
+nsresult nsOSHelperAppService::LookUpHandlerAndDescription(
+ const nsAString& aMajorType, const nsAString& aMinorType,
+ nsAString& aHandler, nsAString& aDescription, nsAString& aMozillaFlags) {
+ // The mailcap lookup is two-pass to handle the case of mailcap files
+ // that have something like:
+ //
+ // text/*; emacs %s
+ // text/rtf; soffice %s
+ //
+ // in that order. We want to pick up "soffice" for text/rtf in such cases
+ nsresult rv = DoLookUpHandlerAndDescription(
+ aMajorType, aMinorType, aHandler, aDescription, aMozillaFlags, true);
+ if (NS_FAILED(rv)) {
+ rv = DoLookUpHandlerAndDescription(aMajorType, aMinorType, aHandler,
+ aDescription, aMozillaFlags, false);
+ }
+
+ // maybe we have an entry for "aMajorType/*"?
+ if (NS_FAILED(rv)) {
+ rv = DoLookUpHandlerAndDescription(aMajorType, u"*"_ns, aHandler,
+ aDescription, aMozillaFlags, true);
+ }
+
+ if (NS_FAILED(rv)) {
+ rv = DoLookUpHandlerAndDescription(aMajorType, u"*"_ns, aHandler,
+ aDescription, aMozillaFlags, false);
+ }
+
+ return rv;
+}
+
+// static
+nsresult nsOSHelperAppService::DoLookUpHandlerAndDescription(
+ const nsAString& aMajorType, const nsAString& aMinorType,
+ nsAString& aHandler, nsAString& aDescription, nsAString& aMozillaFlags,
+ bool aUserData) {
+ LOG("-- LookUpHandlerAndDescription for type '%s/%s'\n",
+ NS_LossyConvertUTF16toASCII(aMajorType).get(),
+ NS_LossyConvertUTF16toASCII(aMinorType).get());
+ nsAutoString mailcapFileName;
+
+ const auto kind =
+ aUserData ? FileKind::PrivateMailCap : FileKind::GlobalMailCap;
+ nsresult rv = GetFileLocation(kind, mailcapFileName);
+ if (NS_FAILED(rv) || mailcapFileName.IsEmpty()) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ return GetHandlerAndDescriptionFromMailcapFile(mailcapFileName, aMajorType,
+ aMinorType, aHandler,
+ aDescription, aMozillaFlags);
+}
+
+// static
+nsresult nsOSHelperAppService::GetHandlerAndDescriptionFromMailcapFile(
+ const nsAString& aFilename, const nsAString& aMajorType,
+ const nsAString& aMinorType, nsAString& aHandler, nsAString& aDescription,
+ nsAString& aMozillaFlags) {
+ LOG("-- GetHandlerAndDescriptionFromMailcapFile\n");
+ LOG("Getting handler and description from mailcap file '%s'\n",
+ NS_LossyConvertUTF16toASCII(aFilename).get());
+ LOG("Using type '%s/%s'\n", NS_LossyConvertUTF16toASCII(aMajorType).get(),
+ NS_LossyConvertUTF16toASCII(aMinorType).get());
+
+ nsresult rv = NS_OK;
+ bool more = false;
+
+ nsCOMPtr<nsIFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
+ if (NS_FAILED(rv)) return rv;
+ rv = file->InitWithPath(aFilename);
+ if (NS_FAILED(rv)) return rv;
+
+ nsCOMPtr<nsIFileInputStream> mailcapFile(
+ do_CreateInstance(NS_LOCALFILEINPUTSTREAM_CONTRACTID, &rv));
+ if (NS_FAILED(rv)) return rv;
+ rv = mailcapFile->Init(file, -1, -1, false);
+ if (NS_FAILED(rv)) return rv;
+
+ nsCOMPtr<nsILineInputStream> mailcap(do_QueryInterface(mailcapFile, &rv));
+
+ if (NS_FAILED(rv)) {
+ LOG("Interface trouble in stream land!");
+ return rv;
+ }
+
+ nsAutoStringN<129> entry;
+ nsAutoStringN<81> buffer;
+ nsAutoCStringN<81> cBuffer;
+ rv = mailcap->ReadLine(cBuffer, &more);
+ if (NS_FAILED(rv)) {
+ mailcapFile->Close();
+ return rv;
+ }
+
+ do { // return on end-of-file in the loop
+
+ CopyASCIItoUTF16(cBuffer, buffer);
+ if (!buffer.IsEmpty() && buffer.First() != '#') {
+ entry.Append(buffer);
+ if (entry.Last() == '\\') { // entry continues on next line
+ entry.Truncate(entry.Length() - 1);
+ entry.Append(char16_t(
+ ' ')); // in case there is no trailing whitespace on this line
+ } else { // we have a full entry in entry. Check it for the type
+ LOG("Current entry: '%s'\n", NS_LossyConvertUTF16toASCII(entry).get());
+
+ nsAString::const_iterator semicolon_iter, start_iter, end_iter,
+ majorTypeStart, majorTypeEnd, minorTypeStart, minorTypeEnd;
+ entry.BeginReading(start_iter);
+ entry.EndReading(end_iter);
+ semicolon_iter = start_iter;
+ FindSemicolon(semicolon_iter, end_iter);
+ if (semicolon_iter !=
+ end_iter) { // we have something resembling a valid entry
+ rv = ParseMIMEType(start_iter, majorTypeStart, majorTypeEnd,
+ minorTypeStart, minorTypeEnd, semicolon_iter);
+ if (NS_SUCCEEDED(rv) &&
+ Substring(majorTypeStart, majorTypeEnd)
+ .Equals(aMajorType, nsCaseInsensitiveStringComparator) &&
+ Substring(minorTypeStart, minorTypeEnd)
+ .Equals(aMinorType, nsCaseInsensitiveStringComparator)) {
+ // we have a match
+ bool match = true;
+ ++semicolon_iter; // point at the first char past the semicolon
+ start_iter = semicolon_iter; // handler string starts here
+ FindSemicolon(semicolon_iter, end_iter);
+ while (start_iter != semicolon_iter &&
+ nsCRT::IsAsciiSpace(*start_iter)) {
+ ++start_iter;
+ }
+
+ LOG("The real handler is: '%s'\n",
+ NS_LossyConvertUTF16toASCII(
+ Substring(start_iter, semicolon_iter))
+ .get());
+
+ // XXX ugly hack. Just grab the executable name
+ nsAString::const_iterator end_handler_iter = semicolon_iter;
+ nsAString::const_iterator end_executable_iter = start_iter;
+ while (end_executable_iter != end_handler_iter &&
+ !nsCRT::IsAsciiSpace(*end_executable_iter)) {
+ ++end_executable_iter;
+ }
+ // XXX End ugly hack
+
+ aHandler = Substring(start_iter, end_executable_iter);
+
+ nsAString::const_iterator start_option_iter, end_optionname_iter,
+ equal_sign_iter;
+ bool equalSignFound;
+ while (match && semicolon_iter != end_iter &&
+ ++semicolon_iter !=
+ end_iter) { // there are options left and we still match
+ start_option_iter = semicolon_iter;
+ // skip over leading whitespace
+ while (start_option_iter != end_iter &&
+ nsCRT::IsAsciiSpace(*start_option_iter)) {
+ ++start_option_iter;
+ }
+ if (start_option_iter == end_iter) { // nothing actually here
+ break;
+ }
+ semicolon_iter = start_option_iter;
+ FindSemicolon(semicolon_iter, end_iter);
+ equal_sign_iter = start_option_iter;
+ equalSignFound = false;
+ while (equal_sign_iter != semicolon_iter && !equalSignFound) {
+ switch (*equal_sign_iter) {
+ case '\\':
+ equal_sign_iter.advance(2);
+ break;
+ case '=':
+ equalSignFound = true;
+ break;
+ default:
+ ++equal_sign_iter;
+ break;
+ }
+ }
+ end_optionname_iter = start_option_iter;
+ // find end of option name
+ while (end_optionname_iter != equal_sign_iter &&
+ !nsCRT::IsAsciiSpace(*end_optionname_iter)) {
+ ++end_optionname_iter;
+ }
+ nsDependentSubstring optionName(start_option_iter,
+ end_optionname_iter);
+ if (equalSignFound) {
+ // This is an option that has a name and value
+ if (optionName.EqualsLiteral("description")) {
+ aDescription = Substring(++equal_sign_iter, semicolon_iter);
+ } else if (optionName.EqualsLiteral("x-mozilla-flags")) {
+ aMozillaFlags = Substring(++equal_sign_iter, semicolon_iter);
+ } else if (optionName.EqualsLiteral("test")) {
+ nsAutoCString testCommand;
+ rv = UnescapeCommand(
+ Substring(++equal_sign_iter, semicolon_iter), aMajorType,
+ aMinorType, testCommand);
+ if (NS_FAILED(rv)) continue;
+ nsCOMPtr<nsIProcess> process =
+ do_CreateInstance(NS_PROCESS_CONTRACTID, &rv);
+ if (NS_FAILED(rv)) continue;
+ nsCOMPtr<nsIFile> file(
+ do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
+ if (NS_FAILED(rv)) continue;
+ rv = file->InitWithNativePath("/bin/sh"_ns);
+ if (NS_FAILED(rv)) continue;
+ rv = process->Init(file);
+ if (NS_FAILED(rv)) continue;
+ const char* args[] = {"-c", testCommand.get()};
+ LOG("Running Test: %s\n", testCommand.get());
+ rv = process->Run(true, args, 2);
+ if (NS_FAILED(rv)) continue;
+ int32_t exitValue;
+ rv = process->GetExitValue(&exitValue);
+ if (NS_FAILED(rv)) continue;
+ LOG("Exit code: %d\n", exitValue);
+ if (exitValue) {
+ match = false;
+ }
+ }
+ } else {
+ // This is an option that just has a name but no value (eg
+ // "copiousoutput")
+ if (optionName.EqualsLiteral("needsterminal")) {
+ match = false;
+ }
+ }
+ }
+
+ if (match) { // we did not fail any test clauses; all is good
+ // get out of here
+ mailcapFile->Close();
+ return NS_OK;
+ }
+ // pretend that this match never happened
+ aDescription.Truncate();
+ aMozillaFlags.Truncate();
+ aHandler.Truncate();
+ }
+ }
+ // zero out the entry for the next cycle
+ entry.Truncate();
+ }
+ }
+ if (!more) {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ break;
+ }
+ rv = mailcap->ReadLine(cBuffer, &more);
+ } while (NS_SUCCEEDED(rv));
+ mailcapFile->Close();
+ return rv;
+}
+
+nsresult nsOSHelperAppService::OSProtocolHandlerExists(
+ const char* aProtocolScheme, bool* aHandlerExists) {
+ nsresult rv = NS_OK;
+
+ if (!XRE_IsContentProcess()) {
+#ifdef MOZ_WIDGET_GTK
+ // Check the GNOME registry for a protocol handler
+ *aHandlerExists = nsGNOMERegistry::HandlerExists(aProtocolScheme);
+#else
+ *aHandlerExists = false;
+#endif
+ } else {
+ *aHandlerExists = false;
+ nsCOMPtr<nsIHandlerService> handlerSvc =
+ do_GetService(NS_HANDLERSERVICE_CONTRACTID, &rv);
+ if (NS_SUCCEEDED(rv) && handlerSvc) {
+ rv = handlerSvc->ExistsForProtocolOS(nsCString(aProtocolScheme),
+ aHandlerExists);
+ }
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP nsOSHelperAppService::GetApplicationDescription(
+ const nsACString& aScheme, nsAString& _retval) {
+#ifdef MOZ_WIDGET_GTK
+ nsGNOMERegistry::GetAppDescForScheme(aScheme, _retval);
+ return _retval.IsEmpty() ? NS_ERROR_NOT_AVAILABLE : NS_OK;
+#else
+ return NS_ERROR_NOT_AVAILABLE;
+#endif
+}
+
+NS_IMETHODIMP nsOSHelperAppService::IsCurrentAppOSDefaultForProtocol(
+ const nsACString& aScheme, bool* _retval) {
+ *_retval = false;
+#if defined(MOZ_BUILD_APP_IS_BROWSER) && defined(MOZ_WIDGET_GTK)
+ if (nsCOMPtr<nsIGNOMEShellService> shell =
+ do_GetService(NS_TOOLKITSHELLSERVICE_CONTRACTID)) {
+ return shell->IsDefaultForScheme(aScheme, _retval);
+ }
+#endif
+ return NS_OK;
+}
+
+nsresult nsOSHelperAppService::GetFileTokenForPath(
+ const char16_t* platformAppPath, nsIFile** aFile) {
+ LOG("-- nsOSHelperAppService::GetFileTokenForPath: '%s'\n",
+ NS_LossyConvertUTF16toASCII(platformAppPath).get());
+ if (!*platformAppPath) { // empty filename--return error
+ NS_WARNING("Empty filename passed in.");
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // first check if the base class implementation finds anything
+ nsresult rv =
+ nsExternalHelperAppService::GetFileTokenForPath(platformAppPath, aFile);
+ if (NS_SUCCEEDED(rv)) return rv;
+ // If the reason for failure was that the file doesn't exist, return too
+ // (because it means the path was absolute, and so that we shouldn't search in
+ // the path)
+ if (rv == NS_ERROR_FILE_NOT_FOUND) return rv;
+
+ // If we get here, we really should have a relative path.
+ NS_ASSERTION(*platformAppPath != char16_t('/'), "Unexpected absolute path");
+
+ nsCOMPtr<nsIFile> localFile(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
+
+ if (!localFile) return NS_ERROR_NOT_INITIALIZED;
+
+ bool exists = false;
+ // ugly hack. Walk the PATH variable...
+ char* unixpath = PR_GetEnv("PATH");
+ nsAutoCString path(unixpath);
+
+ const char* start_iter = path.BeginReading(start_iter);
+ const char* colon_iter = start_iter;
+ const char* end_iter = path.EndReading(end_iter);
+
+ while (start_iter != end_iter && !exists) {
+ while (colon_iter != end_iter && *colon_iter != ':') {
+ ++colon_iter;
+ }
+ localFile->InitWithNativePath(Substring(start_iter, colon_iter));
+ rv = localFile->AppendRelativePath(nsDependentString(platformAppPath));
+ // Failing AppendRelativePath is a bad thing - it should basically always
+ // succeed given a relative path. Show a warning if it does fail.
+ // To prevent infinite loops when it does fail, return at this point.
+ NS_ENSURE_SUCCESS(rv, rv);
+ localFile->Exists(&exists);
+ if (!exists) {
+ if (colon_iter == end_iter) {
+ break;
+ }
+ ++colon_iter;
+ start_iter = colon_iter;
+ }
+ }
+
+ if (exists) {
+ rv = NS_OK;
+ } else {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ }
+
+ *aFile = localFile;
+ NS_IF_ADDREF(*aFile);
+
+ return rv;
+}
+
+already_AddRefed<nsMIMEInfoBase> nsOSHelperAppService::GetFromExtension(
+ const nsCString& aFileExt) {
+ // if the extension is empty, return immediately
+ if (aFileExt.IsEmpty()) {
+ return nullptr;
+ }
+
+ LOG("Here we do an extension lookup for '%s'\n", aFileExt.get());
+
+ nsAutoString majorType, minorType, mime_types_description,
+ mailcap_description, handler, mozillaFlags;
+
+ nsresult rv =
+ LookUpTypeAndDescription(NS_ConvertUTF8toUTF16(aFileExt), majorType,
+ minorType, mime_types_description, true);
+
+ if (NS_FAILED(rv) || majorType.IsEmpty()) {
+#ifdef MOZ_WIDGET_GTK
+ LOG("Looking in GNOME registry\n");
+ RefPtr<nsMIMEInfoBase> gnomeInfo =
+ nsGNOMERegistry::GetFromExtension(aFileExt);
+ if (gnomeInfo) {
+ LOG("Got MIMEInfo from GNOME registry\n");
+ return gnomeInfo.forget();
+ }
+#endif
+
+ rv = LookUpTypeAndDescription(NS_ConvertUTF8toUTF16(aFileExt), majorType,
+ minorType, mime_types_description, false);
+ }
+
+ if (NS_FAILED(rv)) {
+ return nullptr;
+ }
+
+ NS_LossyConvertUTF16toASCII asciiMajorType(majorType);
+ NS_LossyConvertUTF16toASCII asciiMinorType(minorType);
+
+ LOG("Type/Description results: majorType='%s', minorType='%s', "
+ "description='%s'\n",
+ asciiMajorType.get(), asciiMinorType.get(),
+ NS_LossyConvertUTF16toASCII(mime_types_description).get());
+
+ if (majorType.IsEmpty() && minorType.IsEmpty()) {
+ // we didn't get a type mapping, so we can't do anything useful
+ return nullptr;
+ }
+
+ nsAutoCString mimeType(asciiMajorType + "/"_ns + asciiMinorType);
+ RefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(mimeType);
+
+ mimeInfo->AppendExtension(aFileExt);
+ rv = LookUpHandlerAndDescription(majorType, minorType, handler,
+ mailcap_description, mozillaFlags);
+ LOG("Handler/Description results: handler='%s', description='%s', "
+ "mozillaFlags='%s'\n",
+ NS_LossyConvertUTF16toASCII(handler).get(),
+ NS_LossyConvertUTF16toASCII(mailcap_description).get(),
+ NS_LossyConvertUTF16toASCII(mozillaFlags).get());
+ mailcap_description.Trim(" \t\"");
+ mozillaFlags.Trim(" \t");
+ if (!mime_types_description.IsEmpty()) {
+ mimeInfo->SetDescription(mime_types_description);
+ } else {
+ mimeInfo->SetDescription(mailcap_description);
+ }
+
+ if (NS_SUCCEEDED(rv) && handler.IsEmpty()) {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ }
+
+ if (NS_SUCCEEDED(rv)) {
+ nsCOMPtr<nsIFile> handlerFile;
+ rv = GetFileTokenForPath(handler.get(), getter_AddRefs(handlerFile));
+
+ if (NS_SUCCEEDED(rv)) {
+ mimeInfo->SetDefaultApplication(handlerFile);
+ mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
+ mimeInfo->SetDefaultDescription(handler);
+ }
+ }
+
+ if (NS_FAILED(rv)) {
+ mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
+ }
+
+ return mimeInfo.forget();
+}
+
+already_AddRefed<nsMIMEInfoBase> nsOSHelperAppService::GetFromType(
+ const nsCString& aMIMEType) {
+ // if the type is empty, return immediately
+ if (aMIMEType.IsEmpty()) {
+ return nullptr;
+ }
+
+ LOG("Here we do a mimetype lookup for '%s'\n", aMIMEType.get());
+
+ // extract the major and minor types
+ NS_ConvertASCIItoUTF16 mimeType(aMIMEType);
+ nsAString::const_iterator start_iter, end_iter, majorTypeStart, majorTypeEnd,
+ minorTypeStart, minorTypeEnd;
+
+ mimeType.BeginReading(start_iter);
+ mimeType.EndReading(end_iter);
+
+ // XXX FIXME: add typeOptions parsing in here
+ nsresult rv = ParseMIMEType(start_iter, majorTypeStart, majorTypeEnd,
+ minorTypeStart, minorTypeEnd, end_iter);
+
+ if (NS_FAILED(rv)) {
+ return nullptr;
+ }
+
+ nsDependentSubstring majorType(majorTypeStart, majorTypeEnd);
+ nsDependentSubstring minorType(minorTypeStart, minorTypeEnd);
+
+ // First check the user's private mailcap file
+ nsAutoString mailcap_description, handler, mozillaFlags;
+ DoLookUpHandlerAndDescription(majorType, minorType, handler,
+ mailcap_description, mozillaFlags, true);
+
+ LOG("Private Handler/Description results: handler='%s', description='%s'\n",
+ NS_LossyConvertUTF16toASCII(handler).get(),
+ NS_LossyConvertUTF16toASCII(mailcap_description).get());
+
+ // Now look up our extensions
+ nsAutoString extensions, mime_types_description;
+ LookUpExtensionsAndDescription(majorType, minorType, extensions,
+ mime_types_description);
+
+#ifdef MOZ_WIDGET_GTK
+ if (handler.IsEmpty()) {
+ RefPtr<nsMIMEInfoBase> gnomeInfo = nsGNOMERegistry::GetFromType(aMIMEType);
+ if (gnomeInfo) {
+ LOG("Got MIMEInfo from GNOME registry without extensions; setting them "
+ "to %s\n",
+ NS_LossyConvertUTF16toASCII(extensions).get());
+
+ NS_ASSERTION(!gnomeInfo->HasExtensions(), "How'd that happen?");
+ gnomeInfo->SetFileExtensions(NS_ConvertUTF16toUTF8(extensions));
+ return gnomeInfo.forget();
+ }
+ }
+#endif
+
+ if (handler.IsEmpty()) {
+ DoLookUpHandlerAndDescription(majorType, minorType, handler,
+ mailcap_description, mozillaFlags, false);
+ }
+
+ if (handler.IsEmpty()) {
+ DoLookUpHandlerAndDescription(majorType, u"*"_ns, handler,
+ mailcap_description, mozillaFlags, true);
+ }
+
+ if (handler.IsEmpty()) {
+ DoLookUpHandlerAndDescription(majorType, u"*"_ns, handler,
+ mailcap_description, mozillaFlags, false);
+ }
+
+ LOG("Handler/Description results: handler='%s', description='%s', "
+ "mozillaFlags='%s'\n",
+ NS_LossyConvertUTF16toASCII(handler).get(),
+ NS_LossyConvertUTF16toASCII(mailcap_description).get(),
+ NS_LossyConvertUTF16toASCII(mozillaFlags).get());
+
+ mailcap_description.Trim(" \t\"");
+ mozillaFlags.Trim(" \t");
+
+ if (handler.IsEmpty() && extensions.IsEmpty() &&
+ mailcap_description.IsEmpty() && mime_types_description.IsEmpty()) {
+ // No real useful info
+ return nullptr;
+ }
+
+ RefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
+
+ mimeInfo->SetFileExtensions(NS_ConvertUTF16toUTF8(extensions));
+ if (!mime_types_description.IsEmpty()) {
+ mimeInfo->SetDescription(mime_types_description);
+ } else {
+ mimeInfo->SetDescription(mailcap_description);
+ }
+
+ rv = NS_ERROR_NOT_AVAILABLE;
+ nsCOMPtr<nsIFile> handlerFile;
+ if (!handler.IsEmpty()) {
+ rv = GetFileTokenForPath(handler.get(), getter_AddRefs(handlerFile));
+ }
+
+ if (NS_SUCCEEDED(rv)) {
+ mimeInfo->SetDefaultApplication(handlerFile);
+ mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
+ mimeInfo->SetDefaultDescription(handler);
+ } else {
+ mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
+ }
+
+ return mimeInfo.forget();
+}
+
+nsresult nsOSHelperAppService::GetMIMEInfoFromOS(const nsACString& aType,
+ const nsACString& aFileExt,
+ bool* aFound,
+ nsIMIMEInfo** aMIMEInfo) {
+ *aFound = true;
+ RefPtr<nsMIMEInfoBase> retval;
+ // Fallback to lookup by extension when generic 'application/octet-stream'
+ // content type is received.
+ if (!aType.EqualsLiteral(APPLICATION_OCTET_STREAM)) {
+ retval = GetFromType(PromiseFlatCString(aType));
+ }
+ bool hasDefault = false;
+ if (retval) retval->GetHasDefaultHandler(&hasDefault);
+ if (!retval || !hasDefault) {
+ RefPtr<nsMIMEInfoBase> miByExt =
+ GetFromExtension(PromiseFlatCString(aFileExt));
+ // If we had no extension match, but a type match, use that
+ if (!miByExt && retval) {
+ retval.forget(aMIMEInfo);
+ return NS_OK;
+ }
+ // If we had an extension match but no type match, set the mimetype and use
+ // it
+ if (!retval && miByExt) {
+ if (!aType.IsEmpty()) miByExt->SetMIMEType(aType);
+ miByExt.swap(retval);
+
+ retval.forget(aMIMEInfo);
+ return NS_OK;
+ }
+ // If we got nothing, make a new mimeinfo
+ if (!retval) {
+ *aFound = false;
+ retval = new nsMIMEInfoUnix(aType);
+ if (retval) {
+ if (!aFileExt.IsEmpty()) retval->AppendExtension(aFileExt);
+ }
+
+ retval.forget(aMIMEInfo);
+ return NS_OK;
+ }
+
+ // Copy the attributes of retval (mimeinfo from type) onto miByExt, to
+ // return it
+ // but reset to just collected mDefaultAppDescription (from ext)
+ nsAutoString byExtDefault;
+ miByExt->GetDefaultDescription(byExtDefault);
+ retval->SetDefaultDescription(byExtDefault);
+ retval->CopyBasicDataTo(miByExt);
+
+ miByExt.swap(retval);
+ }
+ retval.forget(aMIMEInfo);
+ return NS_OK;
+}
+
+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;
+
+ nsMIMEInfoUnix* handlerInfo =
+ new nsMIMEInfoUnix(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;
+ GetApplicationDescription(aScheme, desc);
+ handlerInfo->SetDefaultDescription(desc);
+
+ return NS_OK;
+}
diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.h b/uriloader/exthandler/unix/nsOSHelperAppService.h
new file mode 100644
index 0000000000..25feeac359
--- /dev/null
+++ b/uriloader/exthandler/unix/nsOSHelperAppService.h
@@ -0,0 +1,122 @@
+/* -*- 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/. */
+
+#ifndef nsOSHelperAppService_h__
+#define nsOSHelperAppService_h__
+
+// The OS helper app service is a subclass of nsExternalHelperAppService and is
+// implemented on each platform. It contains platform specific code for finding
+// helper applications for a given mime type in addition to launching those
+// applications.
+
+#include "nsExternalHelperAppService.h"
+#include "nsCExternalHandlerService.h"
+#include "nsCOMPtr.h"
+
+class nsIFileInputStream;
+class nsILineInputStream;
+class nsMIMEInfoBase;
+
+class nsOSHelperAppService : public nsExternalHelperAppService {
+ public:
+ virtual ~nsOSHelperAppService();
+
+ // method overrides for mime.types and mime.info look up steps
+ NS_IMETHOD GetMIMEInfoFromOS(const nsACString& aMimeType,
+ const nsACString& aFileExt, bool* aFound,
+ nsIMIMEInfo** aMIMEInfo) override;
+ NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString& aScheme,
+ bool* found,
+ nsIHandlerInfo** _retval) override;
+
+ // override nsIExternalProtocolService methods
+ nsresult OSProtocolHandlerExists(const char* aProtocolScheme,
+ bool* aHandlerExists) override;
+ NS_IMETHOD GetApplicationDescription(const nsACString& aScheme,
+ nsAString& _retval) override;
+ NS_IMETHOD IsCurrentAppOSDefaultForProtocol(const nsACString& aScheme,
+ bool* _retval) override;
+
+ // GetFileTokenForPath must be implemented by each platform.
+ // platformAppPath --> a platform specific path to an application that we got
+ // out of the rdf data source. This can be a mac file
+ // spec, a unix path or a windows path depending on the
+ // platform
+ // aFile --> an nsIFile representation of that platform application path.
+ virtual nsresult GetFileTokenForPath(const char16_t* platformAppPath,
+ nsIFile** aFile) override;
+
+ protected:
+ already_AddRefed<nsMIMEInfoBase> GetFromType(const nsCString& aMimeType);
+ already_AddRefed<nsMIMEInfoBase> GetFromExtension(const nsCString& aFileExt);
+
+ private:
+ // Helper methods which have to access static members
+ static nsresult UnescapeCommand(const nsAString& aEscapedCommand,
+ const nsAString& aMajorType,
+ const nsAString& aMinorType,
+ nsACString& aUnEscapedCommand);
+ static nsresult LookUpTypeAndDescription(const nsAString& aFileExtension,
+ nsAString& aMajorType,
+ nsAString& aMinorType,
+ nsAString& aDescription,
+ bool aUserData);
+ static nsresult CreateInputStream(const nsAString& aFilename,
+ nsIFileInputStream** aFileInputStream,
+ nsILineInputStream** aLineInputStream,
+ nsACString& aBuffer, bool* aNetscapeFormat,
+ bool* aMore);
+
+ static nsresult GetTypeAndDescriptionFromMimetypesFile(
+ const nsAString& aFilename, const nsAString& aFileExtension,
+ nsAString& aMajorType, nsAString& aMinorType, nsAString& aDescription);
+
+ static nsresult LookUpExtensionsAndDescription(const nsAString& aMajorType,
+ const nsAString& aMinorType,
+ nsAString& aFileExtensions,
+ nsAString& aDescription);
+
+ static nsresult GetExtensionsAndDescriptionFromMimetypesFile(
+ const nsAString& aFilename, const nsAString& aMajorType,
+ const nsAString& aMinorType, nsAString& aFileExtensions,
+ nsAString& aDescription);
+
+ static nsresult ParseNetscapeMIMETypesEntry(
+ const nsAString& aEntry, nsAString::const_iterator& aMajorTypeStart,
+ nsAString::const_iterator& aMajorTypeEnd,
+ nsAString::const_iterator& aMinorTypeStart,
+ nsAString::const_iterator& aMinorTypeEnd, nsAString& aExtensions,
+ nsAString::const_iterator& aDescriptionStart,
+ nsAString::const_iterator& aDescriptionEnd);
+
+ static nsresult ParseNormalMIMETypesEntry(
+ const nsAString& aEntry, nsAString::const_iterator& aMajorTypeStart,
+ nsAString::const_iterator& aMajorTypeEnd,
+ nsAString::const_iterator& aMinorTypeStart,
+ nsAString::const_iterator& aMinorTypeEnd, nsAString& aExtensions,
+ nsAString::const_iterator& aDescriptionStart,
+ nsAString::const_iterator& aDescriptionEnd);
+
+ static nsresult LookUpHandlerAndDescription(const nsAString& aMajorType,
+ const nsAString& aMinorType,
+ nsAString& aHandler,
+ nsAString& aDescription,
+ nsAString& aMozillaFlags);
+
+ static nsresult DoLookUpHandlerAndDescription(const nsAString& aMajorType,
+ const nsAString& aMinorType,
+ nsAString& aHandler,
+ nsAString& aDescription,
+ nsAString& aMozillaFlags,
+ bool aUserData);
+
+ static nsresult GetHandlerAndDescriptionFromMailcapFile(
+ const nsAString& aFilename, const nsAString& aMajorType,
+ const nsAString& aMinorType, nsAString& aHandler, nsAString& aDescription,
+ nsAString& aMozillaFlags);
+};
+
+#endif // nsOSHelperAppService_h__