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-rw-r--r--netwerk/base/nsSimpleURI.cpp794
1 files changed, 794 insertions, 0 deletions
diff --git a/netwerk/base/nsSimpleURI.cpp b/netwerk/base/nsSimpleURI.cpp
new file mode 100644
index 0000000000..56e3300ffe
--- /dev/null
+++ b/netwerk/base/nsSimpleURI.cpp
@@ -0,0 +1,794 @@
+/* -*- 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 "mozilla/DebugOnly.h"
+
+#undef LOG
+#include "ipc/IPCMessageUtils.h"
+
+#include "nsSimpleURI.h"
+#include "nscore.h"
+#include "nsCRT.h"
+#include "nsString.h"
+#include "nsURLHelper.h"
+#include "nsNetCID.h"
+#include "nsIObjectInputStream.h"
+#include "nsIObjectOutputStream.h"
+#include "nsEscape.h"
+#include "nsError.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/TextUtils.h"
+#include "mozilla/ipc/URIUtils.h"
+#include "nsIClassInfoImpl.h"
+#include "nsIURIMutator.h"
+#include "mozilla/net/MozURL.h"
+#include "mozilla/StaticPrefs_network.h"
+
+using namespace mozilla::ipc;
+
+namespace mozilla {
+namespace net {
+
+static NS_DEFINE_CID(kThisSimpleURIImplementationCID,
+ NS_THIS_SIMPLEURI_IMPLEMENTATION_CID);
+
+/* static */
+already_AddRefed<nsSimpleURI> nsSimpleURI::From(nsIURI* aURI) {
+ RefPtr<nsSimpleURI> uri;
+ nsresult rv = aURI->QueryInterface(kThisSimpleURIImplementationCID,
+ getter_AddRefs(uri));
+ if (NS_FAILED(rv)) {
+ return nullptr;
+ }
+
+ return uri.forget();
+}
+
+NS_IMPL_CLASSINFO(nsSimpleURI, nullptr, nsIClassInfo::THREADSAFE,
+ NS_SIMPLEURI_CID)
+// Empty CI getter. We only need nsIClassInfo for Serialization
+NS_IMPL_CI_INTERFACE_GETTER0(nsSimpleURI)
+
+////////////////////////////////////////////////////////////////////////////////
+// nsSimpleURI methods:
+
+NS_IMPL_ADDREF(nsSimpleURI)
+NS_IMPL_RELEASE(nsSimpleURI)
+NS_INTERFACE_TABLE_HEAD(nsSimpleURI)
+ NS_INTERFACE_TABLE(nsSimpleURI, nsIURI, nsISerializable)
+ NS_INTERFACE_TABLE_TO_MAP_SEGUE
+ NS_IMPL_QUERY_CLASSINFO(nsSimpleURI)
+ if (aIID.Equals(kThisSimpleURIImplementationCID)) {
+ foundInterface = static_cast<nsIURI*>(this);
+ } else
+ NS_INTERFACE_MAP_ENTRY(nsISizeOf)
+NS_INTERFACE_MAP_END
+
+////////////////////////////////////////////////////////////////////////////////
+// nsISerializable methods:
+
+NS_IMETHODIMP
+nsSimpleURI::Read(nsIObjectInputStream* aStream) {
+ MOZ_ASSERT_UNREACHABLE("Use nsIURIMutator.read() instead");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+nsresult nsSimpleURI::ReadPrivate(nsIObjectInputStream* aStream) {
+ nsresult rv;
+
+ bool isMutable;
+ rv = aStream->ReadBoolean(&isMutable);
+ if (NS_FAILED(rv)) return rv;
+ Unused << isMutable;
+
+ rv = aStream->ReadCString(mScheme);
+ if (NS_FAILED(rv)) return rv;
+
+ rv = aStream->ReadCString(mPath);
+ if (NS_FAILED(rv)) return rv;
+
+ bool isRefValid;
+ rv = aStream->ReadBoolean(&isRefValid);
+ if (NS_FAILED(rv)) return rv;
+ mIsRefValid = isRefValid;
+
+ if (isRefValid) {
+ rv = aStream->ReadCString(mRef);
+ if (NS_FAILED(rv)) return rv;
+ } else {
+ mRef.Truncate(); // invariant: mRef should be empty when it's not valid
+ }
+
+ bool isQueryValid;
+ rv = aStream->ReadBoolean(&isQueryValid);
+ if (NS_FAILED(rv)) return rv;
+ mIsQueryValid = isQueryValid;
+
+ if (isQueryValid) {
+ rv = aStream->ReadCString(mQuery);
+ if (NS_FAILED(rv)) return rv;
+ } else {
+ mQuery.Truncate(); // invariant: mQuery should be empty when it's not valid
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::Write(nsIObjectOutputStream* aStream) {
+ nsresult rv;
+
+ rv = aStream->WriteBoolean(false); // former mMutable
+ if (NS_FAILED(rv)) return rv;
+
+ rv = aStream->WriteStringZ(mScheme.get());
+ if (NS_FAILED(rv)) return rv;
+
+ rv = aStream->WriteStringZ(mPath.get());
+ if (NS_FAILED(rv)) return rv;
+
+ rv = aStream->WriteBoolean(mIsRefValid);
+ if (NS_FAILED(rv)) return rv;
+
+ if (mIsRefValid) {
+ rv = aStream->WriteStringZ(mRef.get());
+ if (NS_FAILED(rv)) return rv;
+ }
+
+ rv = aStream->WriteBoolean(mIsQueryValid);
+ if (NS_FAILED(rv)) return rv;
+
+ if (mIsQueryValid) {
+ rv = aStream->WriteStringZ(mQuery.get());
+ if (NS_FAILED(rv)) return rv;
+ }
+
+ return NS_OK;
+}
+
+void nsSimpleURI::Serialize(URIParams& aParams) {
+ SimpleURIParams params;
+
+ params.scheme() = mScheme;
+ params.path() = mPath;
+
+ if (mIsRefValid) {
+ params.ref() = mRef;
+ } else {
+ params.ref().SetIsVoid(true);
+ }
+
+ if (mIsQueryValid) {
+ params.query() = mQuery;
+ } else {
+ params.query().SetIsVoid(true);
+ }
+
+ aParams = params;
+}
+
+bool nsSimpleURI::Deserialize(const URIParams& aParams) {
+ if (aParams.type() != URIParams::TSimpleURIParams) {
+ NS_ERROR("Received unknown parameters from the other process!");
+ return false;
+ }
+
+ const SimpleURIParams& params = aParams.get_SimpleURIParams();
+
+ mScheme = params.scheme();
+ mPath = params.path();
+
+ if (params.ref().IsVoid()) {
+ mRef.Truncate();
+ mIsRefValid = false;
+ } else {
+ mRef = params.ref();
+ mIsRefValid = true;
+ }
+
+ if (params.query().IsVoid()) {
+ mQuery.Truncate();
+ mIsQueryValid = false;
+ } else {
+ mQuery = params.query();
+ mIsQueryValid = true;
+ }
+
+ return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIURI methods:
+
+NS_IMETHODIMP
+nsSimpleURI::GetSpec(nsACString& result) {
+ if (!result.Assign(mScheme, fallible) || !result.Append(":"_ns, fallible) ||
+ !result.Append(mPath, fallible)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ if (mIsQueryValid) {
+ if (!result.Append("?"_ns, fallible) || !result.Append(mQuery, fallible)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ } else {
+ MOZ_ASSERT(mQuery.IsEmpty(), "mIsQueryValid/mQuery invariant broken");
+ }
+
+ if (mIsRefValid) {
+ if (!result.Append("#"_ns, fallible) || !result.Append(mRef, fallible)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ } else {
+ MOZ_ASSERT(mRef.IsEmpty(), "mIsRefValid/mRef invariant broken");
+ }
+
+ return NS_OK;
+}
+
+// result may contain unescaped UTF-8 characters
+NS_IMETHODIMP
+nsSimpleURI::GetSpecIgnoringRef(nsACString& result) {
+ result = mScheme + ":"_ns + mPath;
+ if (mIsQueryValid) {
+ result += "?"_ns + mQuery;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetDisplaySpec(nsACString& aUnicodeSpec) {
+ return GetSpec(aUnicodeSpec);
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetDisplayHostPort(nsACString& aUnicodeHostPort) {
+ return GetHostPort(aUnicodeHostPort);
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetDisplayHost(nsACString& aUnicodeHost) {
+ return GetHost(aUnicodeHost);
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetDisplayPrePath(nsACString& aPrePath) {
+ return GetPrePath(aPrePath);
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetHasRef(bool* result) {
+ *result = mIsRefValid;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetHasUserPass(bool* result) {
+ *result = false;
+ return NS_OK;
+}
+
+nsresult nsSimpleURI::SetSpecInternal(const nsACString& aSpec,
+ bool aStripWhitespace) {
+ if (StaticPrefs::network_url_max_length() &&
+ aSpec.Length() > StaticPrefs::network_url_max_length()) {
+ return NS_ERROR_MALFORMED_URI;
+ }
+
+ nsresult rv = net_ExtractURLScheme(aSpec, mScheme);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsAutoCString spec;
+ rv = net_FilterAndEscapeURI(
+ aSpec, esc_OnlyNonASCII,
+ aStripWhitespace ? ASCIIMask::MaskWhitespace() : ASCIIMask::MaskCRLFTab(),
+ spec);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ int32_t colonPos = spec.FindChar(':');
+ MOZ_ASSERT(colonPos != kNotFound, "A colon should be in this string");
+ // This sets mPath, mQuery and mRef.
+ return SetPathQueryRefInternal(Substring(spec, colonPos + 1));
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetScheme(nsACString& result) {
+ result = mScheme;
+ return NS_OK;
+}
+
+nsresult nsSimpleURI::SetScheme(const nsACString& input) {
+ // Strip tabs, newlines, carriage returns from input
+ nsAutoCString scheme(input);
+ scheme.StripTaggedASCII(ASCIIMask::MaskCRLFTab());
+
+ if (!net_IsValidScheme(scheme)) {
+ NS_WARNING("the given url scheme contains invalid characters");
+ return NS_ERROR_MALFORMED_URI;
+ }
+
+ mScheme = scheme;
+ ToLowerCase(mScheme);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetPrePath(nsACString& result) {
+ result = mScheme + ":"_ns;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetUserPass(nsACString& result) { return NS_ERROR_FAILURE; }
+
+nsresult nsSimpleURI::SetUserPass(const nsACString& userPass) {
+ return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetUsername(nsACString& result) { return NS_ERROR_FAILURE; }
+
+nsresult nsSimpleURI::SetUsername(const nsACString& userName) {
+ return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetPassword(nsACString& result) { return NS_ERROR_FAILURE; }
+
+nsresult nsSimpleURI::SetPassword(const nsACString& password) {
+ return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetHostPort(nsACString& result) {
+ // Note: Audit all callers before changing this to return an empty
+ // string -- CAPS and UI code may depend on this throwing.
+ // Note: If this is changed, change GetAsciiHostPort as well.
+ return NS_ERROR_FAILURE;
+}
+
+nsresult nsSimpleURI::SetHostPort(const nsACString& aValue) {
+ return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetHost(nsACString& result) {
+ // Note: Audit all callers before changing this to return an empty
+ // string -- CAPS and UI code depend on this throwing.
+ return NS_ERROR_FAILURE;
+}
+
+nsresult nsSimpleURI::SetHost(const nsACString& host) {
+ return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetPort(int32_t* result) {
+ // Note: Audit all callers before changing this to return an empty
+ // string -- CAPS and UI code may depend on this throwing.
+ return NS_ERROR_FAILURE;
+}
+
+nsresult nsSimpleURI::SetPort(int32_t port) { return NS_ERROR_FAILURE; }
+
+NS_IMETHODIMP
+nsSimpleURI::GetPathQueryRef(nsACString& result) {
+ result = mPath;
+ if (mIsQueryValid) {
+ result += "?"_ns + mQuery;
+ }
+ if (mIsRefValid) {
+ result += "#"_ns + mRef;
+ }
+
+ return NS_OK;
+}
+
+nsresult nsSimpleURI::SetPathQueryRef(const nsACString& aPath) {
+ if (StaticPrefs::network_url_max_length() &&
+ aPath.Length() > StaticPrefs::network_url_max_length()) {
+ return NS_ERROR_MALFORMED_URI;
+ }
+
+ nsAutoCString path;
+ nsresult rv = NS_EscapeURL(aPath, esc_OnlyNonASCII, path, fallible);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ return SetPathQueryRefInternal(path);
+}
+
+nsresult nsSimpleURI::SetPathQueryRefInternal(const nsACString& aPath) {
+ nsresult rv;
+ const auto* start = aPath.BeginReading();
+ const auto* end = aPath.EndReading();
+
+ // Find the first instance of ? or # that marks the end of the path.
+ auto hashOrQueryFilter = [](char c) { return c == '?' || c == '#'; };
+ const auto* pathEnd = std::find_if(start, end, hashOrQueryFilter);
+
+ mIsQueryValid = false;
+ mQuery.Truncate();
+
+ mIsRefValid = false;
+ mRef.Truncate();
+
+ // The path
+ if (!mPath.Assign(Substring(start, pathEnd), fallible)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ if (pathEnd == end) {
+ return NS_OK;
+ }
+
+ const auto* queryEnd =
+ std::find_if(pathEnd, end, [](char c) { return c == '#'; });
+
+ rv = SetQuery(Substring(pathEnd, queryEnd));
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (queryEnd == end) {
+ return NS_OK;
+ }
+
+ return SetRef(Substring(queryEnd, end));
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetRef(nsACString& result) {
+ if (!mIsRefValid) {
+ MOZ_ASSERT(mRef.IsEmpty(), "mIsRefValid/mRef invariant broken");
+ result.Truncate();
+ } else {
+ result = mRef;
+ }
+
+ return NS_OK;
+}
+
+// NOTE: SetRef("") removes our ref, whereas SetRef("#") sets it to the empty
+// string (and will result in .spec and .path having a terminal #).
+nsresult nsSimpleURI::SetRef(const nsACString& aRef) {
+ if (StaticPrefs::network_url_max_length() &&
+ aRef.Length() > StaticPrefs::network_url_max_length()) {
+ return NS_ERROR_MALFORMED_URI;
+ }
+
+ nsAutoCString ref;
+ nsresult rv =
+ NS_EscapeURL(aRef, esc_OnlyNonASCII | esc_Spaces, ref, fallible);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (ref.IsEmpty()) {
+ // Empty string means to remove ref completely.
+ mIsRefValid = false;
+ mRef.Truncate(); // invariant: mRef should be empty when it's not valid
+
+ // Trim trailing invalid chars when ref and query are removed
+ if (mScheme != "javascript" && mRef.IsEmpty() && mQuery.IsEmpty()) {
+ TrimTrailingCharactersFromPath();
+ }
+
+ return NS_OK;
+ }
+
+ mIsRefValid = true;
+
+ // Gracefully skip initial hash
+ if (ref[0] == '#') {
+ mRef = Substring(ref, 1);
+ } else {
+ mRef = ref;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::Equals(nsIURI* other, bool* result) {
+ return EqualsInternal(other, eHonorRef, result);
+}
+
+NS_IMETHODIMP
+nsSimpleURI::EqualsExceptRef(nsIURI* other, bool* result) {
+ return EqualsInternal(other, eIgnoreRef, result);
+}
+
+/* virtual */
+nsresult nsSimpleURI::EqualsInternal(
+ nsIURI* other, nsSimpleURI::RefHandlingEnum refHandlingMode, bool* result) {
+ NS_ENSURE_ARG_POINTER(other);
+ MOZ_ASSERT(result, "null pointer");
+
+ RefPtr<nsSimpleURI> otherUri;
+ nsresult rv = other->QueryInterface(kThisSimpleURIImplementationCID,
+ getter_AddRefs(otherUri));
+ if (NS_FAILED(rv)) {
+ *result = false;
+ return NS_OK;
+ }
+
+ *result = EqualsInternal(otherUri, refHandlingMode);
+ return NS_OK;
+}
+
+bool nsSimpleURI::EqualsInternal(nsSimpleURI* otherUri,
+ RefHandlingEnum refHandlingMode) {
+ bool result = (mScheme == otherUri->mScheme && mPath == otherUri->mPath);
+
+ if (result) {
+ result = (mIsQueryValid == otherUri->mIsQueryValid &&
+ (!mIsQueryValid || mQuery == otherUri->mQuery));
+ }
+
+ if (result && refHandlingMode == eHonorRef) {
+ result = (mIsRefValid == otherUri->mIsRefValid &&
+ (!mIsRefValid || mRef == otherUri->mRef));
+ }
+
+ return result;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::SchemeIs(const char* i_Scheme, bool* o_Equals) {
+ MOZ_ASSERT(o_Equals, "null pointer");
+ if (!i_Scheme) {
+ *o_Equals = false;
+ return NS_OK;
+ }
+
+ const char* this_scheme = mScheme.get();
+
+ // mScheme is guaranteed to be lower case.
+ if (*i_Scheme == *this_scheme || *i_Scheme == (*this_scheme - ('a' - 'A'))) {
+ *o_Equals = nsCRT::strcasecmp(this_scheme, i_Scheme) == 0;
+ } else {
+ *o_Equals = false;
+ }
+
+ return NS_OK;
+}
+
+/* virtual */ nsSimpleURI* nsSimpleURI::StartClone(
+ nsSimpleURI::RefHandlingEnum refHandlingMode, const nsACString& newRef) {
+ nsSimpleURI* url = new nsSimpleURI();
+ SetRefOnClone(url, refHandlingMode, newRef);
+ return url;
+}
+
+/* virtual */
+void nsSimpleURI::SetRefOnClone(nsSimpleURI* url,
+ nsSimpleURI::RefHandlingEnum refHandlingMode,
+ const nsACString& newRef) {
+ if (refHandlingMode == eHonorRef) {
+ url->mRef = mRef;
+ url->mIsRefValid = mIsRefValid;
+ } else if (refHandlingMode == eReplaceRef) {
+ url->SetRef(newRef);
+ }
+}
+
+nsresult nsSimpleURI::Clone(nsIURI** result) {
+ return CloneInternal(eHonorRef, ""_ns, result);
+}
+
+nsresult nsSimpleURI::CloneInternal(
+ nsSimpleURI::RefHandlingEnum refHandlingMode, const nsACString& newRef,
+ nsIURI** result) {
+ RefPtr<nsSimpleURI> url = StartClone(refHandlingMode, newRef);
+ if (!url) return NS_ERROR_OUT_OF_MEMORY;
+
+ url->mScheme = mScheme;
+ url->mPath = mPath;
+
+ url->mIsQueryValid = mIsQueryValid;
+ if (url->mIsQueryValid) {
+ url->mQuery = mQuery;
+ }
+
+ url.forget(result);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::Resolve(const nsACString& relativePath, nsACString& result) {
+ nsAutoCString scheme;
+ nsresult rv = net_ExtractURLScheme(relativePath, scheme);
+ if (NS_SUCCEEDED(rv)) {
+ result = relativePath;
+ return NS_OK;
+ }
+
+ nsAutoCString spec;
+ rv = GetAsciiSpec(spec);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ // If getting the spec fails for some reason, preserve behaviour and just
+ // return the relative path.
+ result = relativePath;
+ return NS_OK;
+ }
+
+ RefPtr<MozURL> url;
+ rv = MozURL::Init(getter_AddRefs(url), spec);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ // If parsing the current url fails, we revert to the previous behaviour
+ // and just return the relative path.
+ result = relativePath;
+ return NS_OK;
+ }
+
+ RefPtr<MozURL> url2;
+ rv = MozURL::Init(getter_AddRefs(url2), relativePath, url);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ // If parsing the relative url fails, we revert to the previous behaviour
+ // and just return the relative path.
+ result = relativePath;
+ return NS_OK;
+ }
+
+ result = url2->Spec();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetAsciiSpec(nsACString& aResult) {
+ nsresult rv = GetSpec(aResult);
+ if (NS_FAILED(rv)) return rv;
+ MOZ_ASSERT(IsAscii(aResult), "The spec should be ASCII");
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetAsciiHostPort(nsACString& result) {
+ // XXX This behavior mimics GetHostPort.
+ return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetAsciiHost(nsACString& result) {
+ result.Truncate();
+ return NS_OK;
+}
+
+//----------------------------------------------------------------------------
+// nsSimpleURI::nsISizeOf
+//----------------------------------------------------------------------------
+
+size_t nsSimpleURI::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const {
+ return mScheme.SizeOfExcludingThisIfUnshared(aMallocSizeOf) +
+ mPath.SizeOfExcludingThisIfUnshared(aMallocSizeOf) +
+ mQuery.SizeOfExcludingThisIfUnshared(aMallocSizeOf) +
+ mRef.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
+}
+
+size_t nsSimpleURI::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
+ return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetFilePath(nsACString& aFilePath) {
+ aFilePath = mPath;
+ return NS_OK;
+}
+
+nsresult nsSimpleURI::SetFilePath(const nsACString& aFilePath) {
+ if (mPath.IsEmpty() || mPath.First() != '/') {
+ // cannot-be-a-base
+ return NS_ERROR_MALFORMED_URI;
+ }
+ const char* current = aFilePath.BeginReading();
+ const char* end = aFilePath.EndReading();
+
+ // Only go up to the first ? or # symbol
+ for (; current < end; ++current) {
+ if (*current == '?' || *current == '#') {
+ break;
+ }
+ }
+ return SetPathQueryRef(
+ nsDependentCSubstring(aFilePath.BeginReading(), current));
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetQuery(nsACString& aQuery) {
+ if (!mIsQueryValid) {
+ MOZ_ASSERT(mQuery.IsEmpty(), "mIsQueryValid/mQuery invariant broken");
+ aQuery.Truncate();
+ } else {
+ aQuery = mQuery;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSimpleURI::GetHasQuery(bool* result) {
+ *result = mIsQueryValid;
+ return NS_OK;
+}
+
+nsresult nsSimpleURI::SetQuery(const nsACString& aQuery) {
+ if (StaticPrefs::network_url_max_length() &&
+ aQuery.Length() > StaticPrefs::network_url_max_length()) {
+ return NS_ERROR_MALFORMED_URI;
+ }
+ nsAutoCString query;
+ nsresult rv = NS_EscapeURL(aQuery, esc_OnlyNonASCII, query, fallible);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (query.IsEmpty()) {
+ // Empty string means to remove query completely.
+ mIsQueryValid = false;
+ mQuery.Truncate(); // invariant: mQuery should be empty when it's not valid
+
+ // Trim trailing invalid chars when ref and query are removed
+ if (mScheme != "javascript" && mRef.IsEmpty() && mQuery.IsEmpty()) {
+ TrimTrailingCharactersFromPath();
+ }
+
+ return NS_OK;
+ }
+
+ mIsQueryValid = true;
+
+ // Gracefully skip initial question mark
+ if (query[0] == '?') {
+ mQuery = Substring(query, 1);
+ } else {
+ mQuery = query;
+ }
+
+ return NS_OK;
+}
+
+nsresult nsSimpleURI::SetQueryWithEncoding(const nsACString& aQuery,
+ const Encoding* aEncoding) {
+ return SetQuery(aQuery);
+}
+
+void nsSimpleURI::TrimTrailingCharactersFromPath() {
+ const auto* start = mPath.BeginReading();
+ const auto* end = mPath.EndReading();
+
+ auto charFilter = [](char c) { return static_cast<uint8_t>(c) > 0x20; };
+ const auto* newEnd =
+ std::find_if(std::reverse_iterator<decltype(end)>(end),
+ std::reverse_iterator<decltype(start)>(start), charFilter)
+ .base();
+
+ auto trailCount = std::distance(newEnd, end);
+ if (trailCount) {
+ mPath.Truncate(mPath.Length() - trailCount);
+ }
+}
+
+// Queries this list of interfaces. If none match, it queries mURI.
+NS_IMPL_NSIURIMUTATOR_ISUPPORTS(nsSimpleURI::Mutator, nsIURISetters,
+ nsIURIMutator, nsISerializable,
+ nsISimpleURIMutator)
+
+NS_IMETHODIMP
+nsSimpleURI::Mutate(nsIURIMutator** aMutator) {
+ RefPtr<nsSimpleURI::Mutator> mutator = new nsSimpleURI::Mutator();
+ nsresult rv = mutator->InitFromURI(this);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ mutator.forget(aMutator);
+ return NS_OK;
+}
+
+} // namespace net
+} // namespace mozilla