gecko-dev/modules/libjar/nsJARURI.cpp

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C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 "base/basictypes.h"
#include "nsJARURI.h"
#include "nsNetUtil.h"
#include "nsIIOService.h"
#include "nsIStandardURL.h"
#include "nsCRT.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIZipReader.h"
#include "nsReadableUtils.h"
#include "nsAutoPtr.h"
#include "nsNetCID.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
#include "mozilla/ipc/URIUtils.h"
using namespace mozilla::ipc;
static NS_DEFINE_CID(kJARURICID, NS_JARURI_CID);
////////////////////////////////////////////////////////////////////////////////
nsJARURI::nsJARURI()
{
}
nsJARURI::~nsJARURI()
{
}
// XXX Why is this threadsafe?
NS_IMPL_ADDREF(nsJARURI)
NS_IMPL_RELEASE(nsJARURI)
NS_INTERFACE_MAP_BEGIN(nsJARURI)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIJARURI)
NS_INTERFACE_MAP_ENTRY(nsIURI)
NS_INTERFACE_MAP_ENTRY(nsIURL)
NS_INTERFACE_MAP_ENTRY(nsIJARURI)
NS_INTERFACE_MAP_ENTRY(nsISerializable)
NS_INTERFACE_MAP_ENTRY(nsIClassInfo)
NS_INTERFACE_MAP_ENTRY(nsINestedURI)
NS_INTERFACE_MAP_ENTRY(nsIIPCSerializableURI)
// see nsJARURI::Equals
if (aIID.Equals(NS_GET_IID(nsJARURI)))
foundInterface = reinterpret_cast<nsISupports*>(this);
else
NS_INTERFACE_MAP_END
nsresult
nsJARURI::Init(const char *charsetHint)
{
mCharsetHint = charsetHint;
return NS_OK;
}
#define NS_JAR_SCHEME NS_LITERAL_CSTRING("jar:")
#define NS_JAR_DELIMITER NS_LITERAL_CSTRING("!/")
#define NS_BOGUS_ENTRY_SCHEME NS_LITERAL_CSTRING("x:///")
// FormatSpec takes the entry spec (including the "x:///" at the
// beginning) and gives us a full JAR spec.
nsresult
nsJARURI::FormatSpec(const nsACString &entrySpec, nsACString &result,
bool aIncludeScheme)
{
// The entrySpec MUST start with "x:///"
NS_ASSERTION(StringBeginsWith(entrySpec, NS_BOGUS_ENTRY_SCHEME),
"bogus entry spec");
nsAutoCString fileSpec;
nsresult rv = mJARFile->GetSpec(fileSpec);
if (NS_FAILED(rv)) return rv;
if (aIncludeScheme)
result = NS_JAR_SCHEME;
else
result.Truncate();
result.Append(fileSpec + NS_JAR_DELIMITER +
Substring(entrySpec, 5, entrySpec.Length() - 5));
return NS_OK;
}
nsresult
nsJARURI::CreateEntryURL(const nsACString& entryFilename,
const char* charset,
nsIURL** url)
{
*url = nullptr;
nsCOMPtr<nsIStandardURL> stdURL(do_CreateInstance(NS_STANDARDURL_CONTRACTID));
if (!stdURL) {
return NS_ERROR_OUT_OF_MEMORY;
}
// Flatten the concatenation, just in case. See bug 128288
nsAutoCString spec(NS_BOGUS_ENTRY_SCHEME + entryFilename);
nsresult rv = stdURL->Init(nsIStandardURL::URLTYPE_NO_AUTHORITY, -1,
spec, charset, nullptr);
if (NS_FAILED(rv)) {
return rv;
}
return CallQueryInterface(stdURL, url);
}
////////////////////////////////////////////////////////////////////////////////
// nsISerializable methods:
NS_IMETHODIMP
nsJARURI::Read(nsIObjectInputStream* aInputStream)
{
nsresult rv;
nsCOMPtr<nsISupports> supports;
rv = aInputStream->ReadObject(true, getter_AddRefs(supports));
NS_ENSURE_SUCCESS(rv, rv);
mJARFile = do_QueryInterface(supports, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = aInputStream->ReadObject(true, getter_AddRefs(supports));
NS_ENSURE_SUCCESS(rv, rv);
mJAREntry = do_QueryInterface(supports);
NS_ENSURE_SUCCESS(rv, rv);
rv = aInputStream->ReadCString(mCharsetHint);
return rv;
}
NS_IMETHODIMP
nsJARURI::Write(nsIObjectOutputStream* aOutputStream)
{
nsresult rv;
rv = aOutputStream->WriteCompoundObject(mJARFile, NS_GET_IID(nsIURI),
true);
NS_ENSURE_SUCCESS(rv, rv);
rv = aOutputStream->WriteCompoundObject(mJAREntry, NS_GET_IID(nsIURL),
true);
NS_ENSURE_SUCCESS(rv, rv);
rv = aOutputStream->WriteStringZ(mCharsetHint.get());
return rv;
}
////////////////////////////////////////////////////////////////////////////////
// nsIClassInfo methods:
NS_IMETHODIMP
nsJARURI::GetInterfaces(uint32_t *count, nsIID * **array)
{
*count = 0;
*array = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::GetScriptableHelper(nsIXPCScriptable **_retval)
{
*_retval = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::GetContractID(nsACString& aContractID)
{
aContractID.SetIsVoid(true);
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::GetClassDescription(nsACString& aClassDescription)
{
aClassDescription.SetIsVoid(true);
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::GetClassID(nsCID * *aClassID)
{
*aClassID = (nsCID*) moz_xmalloc(sizeof(nsCID));
if (!*aClassID)
return NS_ERROR_OUT_OF_MEMORY;
return GetClassIDNoAlloc(*aClassID);
}
NS_IMETHODIMP
nsJARURI::GetFlags(uint32_t *aFlags)
{
// XXX We implement THREADSAFE addref/release, but probably shouldn't.
*aFlags = nsIClassInfo::MAIN_THREAD_ONLY;
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::GetClassIDNoAlloc(nsCID *aClassIDNoAlloc)
{
*aClassIDNoAlloc = kJARURICID;
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
// nsIURI methods:
NS_IMETHODIMP
nsJARURI::GetSpec(nsACString &aSpec)
{
nsAutoCString entrySpec;
mJAREntry->GetSpec(entrySpec);
return FormatSpec(entrySpec, aSpec);
}
NS_IMETHODIMP
nsJARURI::GetSpecIgnoringRef(nsACString &aSpec)
{
nsAutoCString entrySpec;
mJAREntry->GetSpecIgnoringRef(entrySpec);
return FormatSpec(entrySpec, aSpec);
}
NS_IMETHODIMP
nsJARURI::GetDisplaySpec(nsACString &aUnicodeSpec)
{
return GetSpec(aUnicodeSpec);
}
NS_IMETHODIMP
nsJARURI::GetDisplayHostPort(nsACString &aUnicodeHostPort)
{
return GetHostPort(aUnicodeHostPort);
}
NS_IMETHODIMP
nsJARURI::GetDisplayPrePath(nsACString &aPrePath)
{
return GetPrePath(aPrePath);
}
NS_IMETHODIMP
nsJARURI::GetDisplayHost(nsACString &aUnicodeHost)
{
return GetHost(aUnicodeHost);
}
NS_IMETHODIMP
nsJARURI::GetHasRef(bool *result)
{
return mJAREntry->GetHasRef(result);
}
NS_IMETHODIMP
nsJARURI::SetSpec(const nsACString& aSpec)
{
return SetSpecWithBase(aSpec, nullptr);
}
nsresult
nsJARURI::SetSpecWithBase(const nsACString &aSpec, nsIURI* aBaseURL)
{
nsresult rv;
nsCOMPtr<nsIIOService> ioServ(do_GetIOService(&rv));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString scheme;
rv = ioServ->ExtractScheme(aSpec, scheme);
if (NS_FAILED(rv)) {
// not an absolute URI
if (!aBaseURL)
return NS_ERROR_MALFORMED_URI;
RefPtr<nsJARURI> otherJAR;
aBaseURL->QueryInterface(NS_GET_IID(nsJARURI), getter_AddRefs(otherJAR));
NS_ENSURE_TRUE(otherJAR, NS_NOINTERFACE);
mJARFile = otherJAR->mJARFile;
nsCOMPtr<nsIStandardURL> entry(do_CreateInstance(NS_STANDARDURL_CONTRACTID));
if (!entry)
return NS_ERROR_OUT_OF_MEMORY;
rv = entry->Init(nsIStandardURL::URLTYPE_NO_AUTHORITY, -1,
aSpec, mCharsetHint.get(), otherJAR->mJAREntry);
if (NS_FAILED(rv))
return rv;
mJAREntry = do_QueryInterface(entry);
if (!mJAREntry)
return NS_NOINTERFACE;
return NS_OK;
}
NS_ENSURE_TRUE(scheme.EqualsLiteral("jar"), NS_ERROR_MALFORMED_URI);
nsACString::const_iterator begin, end;
aSpec.BeginReading(begin);
aSpec.EndReading(end);
while (begin != end && *begin != ':')
++begin;
++begin; // now we're past the "jar:"
nsACString::const_iterator frag = begin;
while (frag != end && *frag != '#') {
++frag;
}
if (frag != end) {
// there was a fragment, mark that as the end of the URL to scan
end = frag;
}
// Search backward from the end for the "!/" delimiter. Remember, jar URLs
// can nest, e.g.:
// jar:jar:http://www.foo.com/bar.jar!/a.jar!/b.html
// This gets the b.html document from out of the a.jar file, that's
// contained within the bar.jar file.
// Also, the outermost "inner" URI may be a relative URI:
// jar:../relative.jar!/a.html
nsACString::const_iterator delim_begin (begin),
delim_end (end);
if (!RFindInReadable(NS_JAR_DELIMITER, delim_begin, delim_end))
return NS_ERROR_MALFORMED_URI;
rv = ioServ->NewURI(Substring(begin, delim_begin), mCharsetHint.get(),
aBaseURL, getter_AddRefs(mJARFile));
if (NS_FAILED(rv)) return rv;
NS_TryToSetImmutable(mJARFile);
// skip over any extra '/' chars
while (*delim_end == '/')
++delim_end;
aSpec.EndReading(end); // set to the original 'end'
return SetJAREntry(Substring(delim_end, end));
}
NS_IMETHODIMP
nsJARURI::GetPrePath(nsACString &prePath)
{
prePath = NS_JAR_SCHEME;
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::GetScheme(nsACString &aScheme)
{
aScheme = "jar";
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::SetScheme(const nsACString &aScheme)
{
// doesn't make sense to set the scheme of a jar: URL
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetUserPass(nsACString &aUserPass)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::SetUserPass(const nsACString &aUserPass)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetUsername(nsACString &aUsername)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::SetUsername(const nsACString &aUsername)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetPassword(nsACString &aPassword)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::SetPassword(const nsACString &aPassword)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetHostPort(nsACString &aHostPort)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::SetHostPort(const nsACString &aHostPort)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::SetHostAndPort(const nsACString &aHostPort)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetHost(nsACString &aHost)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::SetHost(const nsACString &aHost)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetPort(int32_t *aPort)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::SetPort(int32_t aPort)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetPathQueryRef(nsACString &aPath)
{
nsAutoCString entrySpec;
mJAREntry->GetSpec(entrySpec);
return FormatSpec(entrySpec, aPath, false);
}
NS_IMETHODIMP
nsJARURI::SetPathQueryRef(const nsACString &aPath)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetAsciiSpec(nsACString &aSpec)
{
// XXX Shouldn't this like... make sure it returns ASCII or something?
return GetSpec(aSpec);
}
NS_IMETHODIMP
nsJARURI::GetAsciiHostPort(nsACString &aHostPort)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::GetAsciiHost(nsACString &aHost)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsJARURI::Equals(nsIURI *other, bool *result)
{
return EqualsInternal(other, eHonorRef, result);
}
NS_IMETHODIMP
nsJARURI::EqualsExceptRef(nsIURI *other, bool *result)
{
return EqualsInternal(other, eIgnoreRef, result);
}
// Helper method:
/* virtual */ nsresult
nsJARURI::EqualsInternal(nsIURI *other,
nsJARURI::RefHandlingEnum refHandlingMode,
bool *result)
{
*result = false;
if (!other)
return NS_OK; // not equal
RefPtr<nsJARURI> otherJAR;
other->QueryInterface(NS_GET_IID(nsJARURI), getter_AddRefs(otherJAR));
if (!otherJAR)
return NS_OK; // not equal
bool equal;
nsresult rv = mJARFile->Equals(otherJAR->mJARFile, &equal);
if (NS_FAILED(rv) || !equal) {
return rv; // not equal
}
return refHandlingMode == eHonorRef ?
mJAREntry->Equals(otherJAR->mJAREntry, result) :
mJAREntry->EqualsExceptRef(otherJAR->mJAREntry, result);
}
NS_IMETHODIMP
nsJARURI::SchemeIs(const char *i_Scheme, bool *o_Equals)
{
NS_ENSURE_ARG_POINTER(o_Equals);
if (!i_Scheme) return NS_ERROR_INVALID_ARG;
if (*i_Scheme == 'j' || *i_Scheme == 'J') {
*o_Equals = PL_strcasecmp("jar", i_Scheme) ? false : true;
} else {
*o_Equals = false;
}
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::Clone(nsIURI **result)
{
nsresult rv;
nsCOMPtr<nsIJARURI> uri;
rv = CloneWithJARFileInternal(mJARFile, eHonorRef, getter_AddRefs(uri));
if (NS_FAILED(rv)) return rv;
uri.forget(result);
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::CloneIgnoringRef(nsIURI **result)
{
nsresult rv;
nsCOMPtr<nsIJARURI> uri;
rv = CloneWithJARFileInternal(mJARFile, eIgnoreRef, getter_AddRefs(uri));
if (NS_FAILED(rv)) return rv;
uri.forget(result);
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::CloneWithNewRef(const nsACString& newRef, nsIURI **result)
{
nsresult rv;
nsCOMPtr<nsIJARURI> uri;
rv = CloneWithJARFileInternal(mJARFile, eReplaceRef, newRef,
getter_AddRefs(uri));
if (NS_FAILED(rv)) return rv;
uri.forget(result);
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::Resolve(const nsACString &relativePath, nsACString &result)
{
nsresult rv;
nsCOMPtr<nsIIOService> ioServ(do_GetIOService(&rv));
if (NS_FAILED(rv))
return rv;
nsAutoCString scheme;
rv = ioServ->ExtractScheme(relativePath, scheme);
if (NS_SUCCEEDED(rv)) {
// then aSpec is absolute
result = relativePath;
return NS_OK;
}
nsAutoCString resolvedPath;
mJAREntry->Resolve(relativePath, resolvedPath);
return FormatSpec(resolvedPath, result);
}
////////////////////////////////////////////////////////////////////////////////
// nsIURL methods:
NS_IMETHODIMP
nsJARURI::GetFilePath(nsACString& filePath)
{
return mJAREntry->GetFilePath(filePath);
}
NS_IMETHODIMP
nsJARURI::SetFilePath(const nsACString& filePath)
{
return mJAREntry->SetFilePath(filePath);
}
NS_IMETHODIMP
nsJARURI::GetQuery(nsACString& query)
{
return mJAREntry->GetQuery(query);
}
NS_IMETHODIMP
nsJARURI::SetQuery(const nsACString& query)
{
return mJAREntry->SetQuery(query);
}
NS_IMETHODIMP
nsJARURI::SetQueryWithEncoding(const nsACString& query,
const Encoding* encoding)
{
return mJAREntry->SetQueryWithEncoding(query, encoding);
}
NS_IMETHODIMP
nsJARURI::GetRef(nsACString& ref)
{
return mJAREntry->GetRef(ref);
}
NS_IMETHODIMP
nsJARURI::SetRef(const nsACString& ref)
{
return mJAREntry->SetRef(ref);
}
NS_IMETHODIMP
nsJARURI::GetDirectory(nsACString& directory)
{
return mJAREntry->GetDirectory(directory);
}
NS_IMETHODIMP
nsJARURI::SetDirectory(const nsACString& directory)
{
return mJAREntry->SetDirectory(directory);
}
NS_IMETHODIMP
nsJARURI::GetFileName(nsACString& fileName)
{
return mJAREntry->GetFileName(fileName);
}
NS_IMETHODIMP
nsJARURI::SetFileName(const nsACString& fileName)
{
return mJAREntry->SetFileName(fileName);
}
NS_IMETHODIMP
nsJARURI::GetFileBaseName(nsACString& fileBaseName)
{
return mJAREntry->GetFileBaseName(fileBaseName);
}
NS_IMETHODIMP
nsJARURI::SetFileBaseName(const nsACString& fileBaseName)
{
return mJAREntry->SetFileBaseName(fileBaseName);
}
NS_IMETHODIMP
nsJARURI::GetFileExtension(nsACString& fileExtension)
{
return mJAREntry->GetFileExtension(fileExtension);
}
NS_IMETHODIMP
nsJARURI::SetFileExtension(const nsACString& fileExtension)
{
return mJAREntry->SetFileExtension(fileExtension);
}
NS_IMETHODIMP
nsJARURI::GetCommonBaseSpec(nsIURI* uriToCompare, nsACString& commonSpec)
{
commonSpec.Truncate();
NS_ENSURE_ARG_POINTER(uriToCompare);
commonSpec.Truncate();
nsCOMPtr<nsIJARURI> otherJARURI(do_QueryInterface(uriToCompare));
if (!otherJARURI) {
// Nothing in common
return NS_OK;
}
nsCOMPtr<nsIURI> otherJARFile;
nsresult rv = otherJARURI->GetJARFile(getter_AddRefs(otherJARFile));
if (NS_FAILED(rv)) return rv;
bool equal;
rv = mJARFile->Equals(otherJARFile, &equal);
if (NS_FAILED(rv)) return rv;
if (!equal) {
// See what the JAR file URIs have in common
nsCOMPtr<nsIURL> ourJARFileURL(do_QueryInterface(mJARFile));
if (!ourJARFileURL) {
// Not a URL, so nothing in common
return NS_OK;
}
nsAutoCString common;
rv = ourJARFileURL->GetCommonBaseSpec(otherJARFile, common);
if (NS_FAILED(rv)) return rv;
commonSpec = NS_JAR_SCHEME + common;
return NS_OK;
}
// At this point we have the same JAR file. Compare the JAREntrys
nsAutoCString otherEntry;
rv = otherJARURI->GetJAREntry(otherEntry);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIURL> url;
rv = CreateEntryURL(otherEntry, nullptr, getter_AddRefs(url));
if (NS_FAILED(rv)) return rv;
nsAutoCString common;
rv = mJAREntry->GetCommonBaseSpec(url, common);
if (NS_FAILED(rv)) return rv;
rv = FormatSpec(common, commonSpec);
return rv;
}
NS_IMETHODIMP
nsJARURI::GetRelativeSpec(nsIURI* uriToCompare, nsACString& relativeSpec)
{
GetSpec(relativeSpec);
NS_ENSURE_ARG_POINTER(uriToCompare);
nsCOMPtr<nsIJARURI> otherJARURI(do_QueryInterface(uriToCompare));
if (!otherJARURI) {
// Nothing in common
return NS_OK;
}
nsCOMPtr<nsIURI> otherJARFile;
nsresult rv = otherJARURI->GetJARFile(getter_AddRefs(otherJARFile));
if (NS_FAILED(rv)) return rv;
bool equal;
rv = mJARFile->Equals(otherJARFile, &equal);
if (NS_FAILED(rv)) return rv;
if (!equal) {
// We live in different JAR files. Nothing in common.
return rv;
}
// Same JAR file. Compare the JAREntrys
nsAutoCString otherEntry;
rv = otherJARURI->GetJAREntry(otherEntry);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIURL> url;
rv = CreateEntryURL(otherEntry, nullptr, getter_AddRefs(url));
if (NS_FAILED(rv)) return rv;
nsAutoCString relativeEntrySpec;
rv = mJAREntry->GetRelativeSpec(url, relativeEntrySpec);
if (NS_FAILED(rv)) return rv;
if (!StringBeginsWith(relativeEntrySpec, NS_BOGUS_ENTRY_SCHEME)) {
// An actual relative spec!
relativeSpec = relativeEntrySpec;
}
return rv;
}
////////////////////////////////////////////////////////////////////////////////
// nsIJARURI methods:
NS_IMETHODIMP
nsJARURI::GetJARFile(nsIURI* *jarFile)
{
return GetInnerURI(jarFile);
}
NS_IMETHODIMP
nsJARURI::GetJAREntry(nsACString &entryPath)
{
nsAutoCString filePath;
mJAREntry->GetFilePath(filePath);
NS_ASSERTION(filePath.Length() > 0, "path should never be empty!");
// Trim off the leading '/'
entryPath = Substring(filePath, 1, filePath.Length() - 1);
return NS_OK;
}
NS_IMETHODIMP
nsJARURI::SetJAREntry(const nsACString &entryPath)
{
return CreateEntryURL(entryPath, mCharsetHint.get(),
getter_AddRefs(mJAREntry));
}
NS_IMETHODIMP
nsJARURI::CloneWithJARFile(nsIURI *jarFile, nsIJARURI **result)
{
return CloneWithJARFileInternal(jarFile, eHonorRef, result);
}
nsresult
nsJARURI::CloneWithJARFileInternal(nsIURI *jarFile,
nsJARURI::RefHandlingEnum refHandlingMode,
nsIJARURI **result)
{
return CloneWithJARFileInternal(jarFile, refHandlingMode, EmptyCString(), result);
}
nsresult
nsJARURI::CloneWithJARFileInternal(nsIURI *jarFile,
nsJARURI::RefHandlingEnum refHandlingMode,
const nsACString& newRef,
nsIJARURI **result)
{
if (!jarFile) {
return NS_ERROR_INVALID_ARG;
}
nsresult rv;
nsCOMPtr<nsIURI> newJARFile;
rv = jarFile->Clone(getter_AddRefs(newJARFile));
if (NS_FAILED(rv)) return rv;
NS_TryToSetImmutable(newJARFile);
nsCOMPtr<nsIURI> newJAREntryURI;
if (refHandlingMode == eHonorRef) {
rv = mJAREntry->Clone(getter_AddRefs(newJAREntryURI));
} else if (refHandlingMode == eReplaceRef) {
rv = mJAREntry->CloneWithNewRef(newRef, getter_AddRefs(newJAREntryURI));
} else {
rv = mJAREntry->CloneIgnoringRef(getter_AddRefs(newJAREntryURI));
}
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIURL> newJAREntry(do_QueryInterface(newJAREntryURI));
NS_ASSERTION(newJAREntry, "This had better QI to nsIURL!");
nsJARURI* uri = new nsJARURI();
NS_ADDREF(uri);
uri->mJARFile = newJARFile;
uri->mJAREntry = newJAREntry;
*result = uri;
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
NS_IMETHODIMP
nsJARURI::GetInnerURI(nsIURI **uri)
{
return NS_EnsureSafeToReturn(mJARFile, uri);
}
NS_IMETHODIMP
nsJARURI::GetInnermostURI(nsIURI** uri)
{
return NS_ImplGetInnermostURI(this, uri);
}
////////////////////////////////////////////////////////////////////////////////
// nsIIPCSerializableURI methods:
void
nsJARURI::Serialize(URIParams& aParams)
{
JARURIParams params;
SerializeURI(mJARFile, params.jarFile());
SerializeURI(mJAREntry, params.jarEntry());
params.charset() = mCharsetHint;
aParams = params;
}
bool
nsJARURI::Deserialize(const URIParams& aParams)
{
if (aParams.type() != URIParams::TJARURIParams) {
NS_ERROR("Received unknown parameters from the other process!");
return false;
}
const JARURIParams& params = aParams.get_JARURIParams();
nsCOMPtr<nsIURI> file = DeserializeURI(params.jarFile());
if (!file) {
NS_ERROR("Couldn't deserialize jar file URI!");
return false;
}
nsCOMPtr<nsIURI> entry = DeserializeURI(params.jarEntry());
if (!entry) {
NS_ERROR("Couldn't deserialize jar entry URI!");
return false;
}
nsCOMPtr<nsIURL> entryURL = do_QueryInterface(entry);
if (!entryURL) {
NS_ERROR("Couldn't QI jar entry URI to nsIURL!");
return false;
}
mJARFile.swap(file);
mJAREntry.swap(entryURL);
mCharsetHint = params.charset();
return true;
}