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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /uriloader/exthandler/unix/nsOSHelperAppService.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'uriloader/exthandler/unix/nsOSHelperAppService.cpp')
-rw-r--r--uriloader/exthandler/unix/nsOSHelperAppService.cpp1537
1 files changed, 1537 insertions, 0 deletions
diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.cpp b/uriloader/exthandler/unix/nsOSHelperAppService.cpp
new file mode 100644
index 000000000..84e1cf5b0
--- /dev/null
+++ b/uriloader/exthandler/unix/nsOSHelperAppService.cpp
@@ -0,0 +1,1537 @@
+/* -*- 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>
+
+#if defined(MOZ_ENABLE_CONTENTACTION)
+#include <contentaction/contentaction.h>
+#include <QString>
+#endif
+
+#include "nsOSHelperAppService.h"
+#include "nsMIMEInfoUnix.h"
+#ifdef MOZ_WIDGET_GTK
+#include "nsGNOMERegistry.h"
+#endif
+#include "nsISupports.h"
+#include "nsString.h"
+#include "nsReadableUtils.h"
+#include "nsUnicharUtils.h"
+#include "nsXPIDLString.h"
+#include "nsIURL.h"
+#include "nsIFileStreams.h"
+#include "nsILineInputStream.h"
+#include "nsIFile.h"
+#include "nsIProcess.h"
+#include "nsNetCID.h"
+#include "nsXPCOM.h"
+#include "nsISupportsPrimitives.h"
+#include "nsCRT.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsDirectoryServiceUtils.h"
+#include "prenv.h" // for PR_GetEnv()
+#include "nsAutoPtr.h"
+#include "mozilla/Preferences.h"
+
+using namespace mozilla;
+
+#define LOG(args) MOZ_LOG(mLog, mozilla::LogLevel::Debug, args)
+#define LOG_ENABLED() MOZ_LOG_TEST(mLog, 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() : nsExternalHelperAppService()
+{
+ mode_t mask = umask(0777);
+ umask(mask);
+ mPermissions = 0666 & ~mask;
+}
+
+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;
+}
+
+// static
+nsresult
+nsOSHelperAppService::GetFileLocation(const char* aPrefName,
+ const char* aEnvVarName,
+ nsAString& aFileLocation) {
+ LOG(("-- GetFileLocation. Pref: '%s' EnvVar: '%s'\n",
+ aPrefName,
+ aEnvVarName));
+ NS_PRECONDITION(aPrefName, "Null pref name passed; don't do that!");
+
+ aFileLocation.Truncate();
+ /* The lookup order is:
+ 1) user pref
+ 2) env var
+ 3) pref
+ */
+ NS_ENSURE_TRUE(Preferences::GetRootBranch(), NS_ERROR_FAILURE);
+
+ /*
+ 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(aPrefName) &&
+ NS_SUCCEEDED(Preferences::GetString(aPrefName, &aFileLocation))) {
+ return NS_OK;
+ }
+
+ if (aEnvVarName && *aEnvVarName) {
+ char* prefValue = PR_GetEnv(aEnvVarName);
+ if (prefValue && *prefValue) {
+ // 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(prefValue));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = file->GetPath(aFileLocation);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return NS_OK;
+ }
+ }
+
+ return Preferences::GetString(aPrefName, &aFileLocation);
+}
+
+
+/* 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()));
+ nsresult rv = NS_OK;
+ nsAutoString mimeFileName;
+
+ const char* filenamePref = aUserData ?
+ "helpers.private_mime_types_file" : "helpers.global_mime_types_file";
+
+ rv = GetFileLocation(filenamePref, nullptr, 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, NS_LITERAL_CSTRING("#--Netscape Communications Corporation MIME Information")) ||
+ StringBeginsWith(aBuffer, NS_LITERAL_CSTRING("#--MCOM MIME Information"));
+}
+
+/*
+ * 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()));
+ nsresult rv = NS_OK;
+ nsCOMPtr<nsIFileInputStream> mimeFile;
+ nsCOMPtr<nsILineInputStream> mimeTypes;
+ bool netscapeFormat;
+ nsAutoString buf;
+ nsAutoCString cBuf;
+ bool more = false;
+ rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile), getter_AddRefs(mimeTypes),
+ cBuf, &netscapeFormat, &more);
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsAutoString extensions;
+ nsString entry;
+ entry.SetCapacity(100);
+ 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()));
+ nsresult rv = NS_OK;
+ nsAutoString mimeFileName;
+
+ rv = GetFileLocation("helpers.private_mime_types_file", nullptr, 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("helpers.global_mime_types_file",
+ nullptr, 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()));
+
+ nsresult rv = NS_OK;
+ nsCOMPtr<nsIFileInputStream> mimeFile;
+ nsCOMPtr<nsILineInputStream> mimeTypes;
+ bool netscapeFormat;
+ nsAutoCString cBuf;
+ nsAutoString buf;
+ bool more = false;
+ rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile), getter_AddRefs(mimeTypes),
+ cBuf, &netscapeFormat, &more);
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsAutoString extensions;
+ nsString entry;
+ entry.SetCapacity(100);
+ 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;
+ } else 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(NS_LITERAL_STRING("type="), 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(NS_LITERAL_STRING("exts="), 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(NS_LITERAL_STRING("desc=\""), 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(NS_LITERAL_STRING("desc=\""), match_start, match_end)) {
+ aDescriptionStart = match_end;
+ match_start = aDescriptionStart;
+ match_end = end_iter;
+ if (FindInReadable(NS_LITERAL_STRING("exts="), 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));
+
+ if (aDescriptionStart != aDescriptionStart && *aDescriptionEnd == '"') {
+ --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,
+ NS_LITERAL_STRING("*"),
+ aHandler,
+ aDescription,
+ aMozillaFlags,
+ true);
+ }
+
+ if (NS_FAILED(rv)) {
+ rv = DoLookUpHandlerAndDescription(aMajorType,
+ NS_LITERAL_STRING("*"),
+ 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()));
+ nsresult rv = NS_OK;
+ nsAutoString mailcapFileName;
+
+ const char * filenamePref = aUserData ?
+ "helpers.private_mailcap_file" : "helpers.global_mailcap_file";
+ const char * filenameEnvVar = aUserData ?
+ "PERSONAL_MAILCAP" : "MAILCAP";
+
+ rv = GetFileLocation(filenamePref, filenameEnvVar, mailcapFileName);
+ if (NS_SUCCEEDED(rv) && !mailcapFileName.IsEmpty()) {
+ rv = GetHandlerAndDescriptionFromMailcapFile(mailcapFileName,
+ aMajorType,
+ aMinorType,
+ aHandler,
+ aDescription,
+ aMozillaFlags);
+ } else {
+ rv = NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return rv;
+}
+
+// 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;
+ }
+
+ nsString entry, buffer;
+ nsAutoCString cBuffer;
+ entry.SetCapacity(128);
+ cBuffer.SetCapacity(80);
+ 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(NS_LITERAL_CSTRING("/bin/sh"));
+ 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;
+ } else { // 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)
+{
+ LOG(("-- nsOSHelperAppService::OSProtocolHandlerExists for '%s'\n",
+ aProtocolScheme));
+ *aHandlerExists = false;
+
+#if defined(MOZ_ENABLE_CONTENTACTION)
+ // libcontentaction requires character ':' after scheme
+ ContentAction::Action action =
+ ContentAction::Action::defaultActionForScheme(QString(aProtocolScheme) + ':');
+
+ if (action.isValid())
+ *aHandlerExists = true;
+#endif
+
+#ifdef MOZ_WIDGET_GTK
+ // Check the GNOME registry for a protocol handler
+ *aHandlerExists = nsGNOMERegistry::HandlerExists(aProtocolScheme);
+#endif
+
+ return NS_OK;
+}
+
+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
+}
+
+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_LITERAL_CSTRING("/") + 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::useSystemDefault);
+ 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,
+ NS_LITERAL_STRING("*"),
+ handler,
+ mailcap_description,
+ mozillaFlags,
+ true);
+ }
+
+ if (handler.IsEmpty()) {
+ DoLookUpHandlerAndDescription(majorType,
+ NS_LITERAL_STRING("*"),
+ 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::useSystemDefault);
+ mimeInfo->SetDefaultDescription(handler);
+ } else {
+ mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
+ }
+
+ return mimeInfo.forget();
+}
+
+
+already_AddRefed<nsIMIMEInfo>
+nsOSHelperAppService::GetMIMEInfoFromOS(const nsACString& aType,
+ const nsACString& aFileExt,
+ bool *aFound) {
+ *aFound = true;
+ RefPtr<nsMIMEInfoBase> 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)
+ return retval.forget();
+ // 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);
+
+ return retval.forget();
+ }
+ // If we got nothing, make a new mimeinfo
+ if (!retval) {
+ *aFound = false;
+ retval = new nsMIMEInfoUnix(aType);
+ if (retval) {
+ if (!aFileExt.IsEmpty())
+ retval->AppendExtension(aFileExt);
+ }
+
+ return retval.forget();
+ }
+
+ // 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);
+ }
+ return retval.forget();
+}
+
+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;
+}