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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 /comm/mailnews/addrbook/src/nsLDAPURL.cpp
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.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 'comm/mailnews/addrbook/src/nsLDAPURL.cpp')
-rw-r--r--comm/mailnews/addrbook/src/nsLDAPURL.cpp591
1 files changed, 591 insertions, 0 deletions
diff --git a/comm/mailnews/addrbook/src/nsLDAPURL.cpp b/comm/mailnews/addrbook/src/nsLDAPURL.cpp
new file mode 100644
index 0000000000..90e4e370e4
--- /dev/null
+++ b/comm/mailnews/addrbook/src/nsLDAPURL.cpp
@@ -0,0 +1,591 @@
+/* -*- 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 "nsLDAPURL.h"
+#include "netCore.h"
+#include "plstr.h"
+#include "nsCOMPtr.h"
+#include "nsNetCID.h"
+#include "nsComponentManagerUtils.h"
+#include "nsIStandardURL.h"
+#include "nsMsgUtils.h"
+#include "nsUnicharUtils.h"
+#include "mozilla/Encoding.h"
+
+// The two schemes we support, LDAP and LDAPS
+//
+constexpr auto LDAP_SCHEME = "ldap"_ns;
+constexpr auto LDAP_SSL_SCHEME = "ldaps"_ns;
+
+NS_IMPL_ISUPPORTS(nsLDAPURL, nsILDAPURL, nsIURI)
+
+nsLDAPURL::nsLDAPURL() : mScope(SCOPE_BASE), mOptions(0) {}
+
+nsLDAPURL::~nsLDAPURL() {}
+
+nsresult nsLDAPURL::Init(uint32_t aUrlType, int32_t aDefaultPort,
+ const nsACString& aSpec, const char* aOriginCharset,
+ nsIURI* aBaseURI) {
+ nsresult rv;
+ nsCOMPtr<nsIURI> base(aBaseURI);
+ rv = NS_MutateURI(NS_STANDARDURLMUTATOR_CONTRACTID)
+ .Apply(&nsIStandardURLMutator::Init,
+ nsIStandardURL::URLTYPE_STANDARD, aDefaultPort,
+ PromiseFlatCString(aSpec), aOriginCharset, aBaseURI, nullptr)
+ .Finalize(mBaseURL);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Now get the spec from the mBaseURL in case it was a relative one
+ nsCString spec;
+ rv = mBaseURL->GetSpec(spec);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return SetSpecInternal(spec);
+}
+
+void nsLDAPURL::GetPathInternal(nsCString& aPath) {
+ aPath.Assign('/');
+
+ if (!mDN.IsEmpty()) aPath.Append(mDN);
+
+ if (!mAttributes.IsEmpty()) aPath.Append('?');
+
+ // If mAttributes isn't empty, cut off the internally stored commas at start
+ // and end, and append to the path.
+ if (!mAttributes.IsEmpty())
+ aPath.Append(Substring(mAttributes, 1, mAttributes.Length() - 2));
+
+ if (mScope || !mFilter.IsEmpty()) {
+ aPath.Append((mAttributes.IsEmpty() ? "??" : "?"));
+ if (mScope) {
+ if (mScope == SCOPE_ONELEVEL)
+ aPath.Append("one");
+ else if (mScope == SCOPE_SUBTREE)
+ aPath.Append("sub");
+ }
+ if (!mFilter.IsEmpty()) {
+ aPath.Append('?');
+ aPath.Append(mFilter);
+ }
+ }
+}
+
+nsresult nsLDAPURL::SetPathInternal(const nsCString& aPath) {
+ nsCOMPtr<nsILDAPURLParser> parser =
+ do_CreateInstance("@mozilla.org/network/ldap-url-parser;1");
+ nsCOMPtr<nsILDAPURLParserResult> parserResult;
+ nsresult rv = parser->Parse(aPath, getter_AddRefs(parserResult));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ parserResult->GetDn(mDN);
+ parserResult->GetScope(&mScope);
+ parserResult->GetFilter(mFilter);
+ parserResult->GetOptions(&mOptions);
+
+ nsCString attributes;
+ parserResult->GetAttributes(attributes);
+ mAttributes.Truncate();
+ if (!attributes.IsEmpty()) {
+ // Always start and end with a comma if not empty.
+ mAttributes.Append(',');
+ mAttributes.Append(attributes);
+ mAttributes.Append(',');
+ }
+
+ return NS_OK;
+}
+
+// A string representation of the URI. Setting the spec
+// causes the new spec to be parsed, initializing the URI. Setting
+// the spec (or any of the accessors) causes also any currently
+// open streams on the URI's channel to be closed.
+
+NS_IMETHODIMP
+nsLDAPURL::GetSpec(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetSpec(_retval);
+}
+
+nsresult nsLDAPURL::SetSpecInternal(const nsACString& aSpec) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ // Cache the original spec in case we don't like what we've been passed and
+ // need to reset ourselves.
+ nsCString originalSpec;
+ nsresult rv = mBaseURL->GetSpec(originalSpec);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = NS_MutateURI(mBaseURL).SetSpec(aSpec).Finalize(mBaseURL);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = SetPathInternal(PromiseFlatCString(aSpec));
+ if (NS_FAILED(rv)) {
+ nsresult rv2 =
+ NS_MutateURI(mBaseURL).SetSpec(originalSpec).Finalize(mBaseURL);
+ NS_ENSURE_SUCCESS(rv2, rv2);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP nsLDAPURL::GetPrePath(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetPrePath(_retval);
+}
+
+NS_IMETHODIMP nsLDAPURL::GetScheme(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetScheme(_retval);
+}
+
+nsresult nsLDAPURL::SetScheme(const nsACString& aScheme) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ if (aScheme.Equals(LDAP_SCHEME, nsCaseInsensitiveCStringComparator))
+ mOptions &= ~OPT_SECURE;
+ else if (aScheme.Equals(LDAP_SSL_SCHEME, nsCaseInsensitiveCStringComparator))
+ mOptions |= OPT_SECURE;
+ else
+ return NS_ERROR_MALFORMED_URI;
+
+ return NS_MutateURI(mBaseURL).SetScheme(aScheme).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetUserPass(nsACString& _retval) {
+ _retval.Truncate();
+ return NS_OK;
+}
+
+nsresult nsLDAPURL::SetUserPass(const nsACString& aUserPass) { return NS_OK; }
+
+NS_IMETHODIMP
+nsLDAPURL::GetUsername(nsACString& _retval) {
+ _retval.Truncate();
+ return NS_OK;
+}
+
+nsresult nsLDAPURL::SetUsername(const nsACString& aUsername) { return NS_OK; }
+
+NS_IMETHODIMP
+nsLDAPURL::GetPassword(nsACString& _retval) {
+ _retval.Truncate();
+ return NS_OK;
+}
+
+nsresult nsLDAPURL::SetPassword(const nsACString& aPassword) { return NS_OK; }
+
+NS_IMETHODIMP
+nsLDAPURL::GetHostPort(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetHostPort(_retval);
+}
+
+nsresult nsLDAPURL::SetHostPort(const nsACString& aHostPort) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return NS_MutateURI(mBaseURL).SetHostPort(aHostPort).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetHost(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetHost(_retval);
+}
+
+nsresult nsLDAPURL::SetHost(const nsACString& aHost) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return NS_MutateURI(mBaseURL).SetHost(aHost).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetPort(int32_t* _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetPort(_retval);
+}
+
+nsresult nsLDAPURL::SetPort(int32_t aPort) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return NS_MutateURI(mBaseURL).SetPort(aPort).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::GetPathQueryRef(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetPathQueryRef(_retval);
+}
+
+nsresult nsLDAPURL::SetPathQueryRef(const nsACString& aPath) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ nsresult rv = SetPathInternal(PromiseFlatCString(aPath));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return NS_MutateURI(mBaseURL).SetPathQueryRef(aPath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::GetAsciiSpec(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ // XXX handle extra items?
+ return mBaseURL->GetAsciiSpec(_retval);
+}
+
+NS_IMETHODIMP nsLDAPURL::GetAsciiHost(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetAsciiHost(_retval);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetAsciiHostPort(nsACString& _retval) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->GetAsciiHostPort(_retval);
+}
+
+// boolean equals (in nsIURI other)
+// (based on nsSimpleURI::Equals)
+NS_IMETHODIMP nsLDAPURL::Equals(nsIURI* other, bool* _retval) {
+ *_retval = false;
+ if (other) {
+ nsresult rv;
+ nsCOMPtr<nsILDAPURL> otherURL(do_QueryInterface(other, &rv));
+ if (NS_SUCCEEDED(rv)) {
+ nsAutoCString thisSpec, otherSpec;
+ uint32_t otherOptions;
+
+ rv = GetSpec(thisSpec);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = otherURL->GetSpec(otherSpec);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = otherURL->GetOptions(&otherOptions);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (thisSpec == otherSpec && mOptions == otherOptions) *_retval = true;
+ }
+ }
+ return NS_OK;
+}
+
+// boolean schemeIs(in const char * scheme);
+//
+NS_IMETHODIMP nsLDAPURL::SchemeIs(const char* aScheme, bool* aEquals) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ return mBaseURL->SchemeIs(aScheme, aEquals);
+}
+
+// nsIURI clone ();
+//
+nsresult nsLDAPURL::Clone(nsIURI** aResult) {
+ NS_ENSURE_ARG_POINTER(aResult);
+
+ RefPtr<nsLDAPURL> clone = new nsLDAPURL();
+
+ clone->mDN = mDN;
+ clone->mScope = mScope;
+ clone->mFilter = mFilter;
+ clone->mOptions = mOptions;
+ clone->mAttributes = mAttributes;
+
+ nsresult rv = NS_MutateURI(mBaseURL).Finalize(clone->mBaseURL);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ clone.forget(aResult);
+ return NS_OK;
+}
+
+// string resolve (in string relativePath);
+//
+NS_IMETHODIMP nsLDAPURL::Resolve(const nsACString& relativePath,
+ nsACString& _retval) {
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+// The following attributes come from nsILDAPURL
+
+// attribute AUTF8String dn;
+//
+NS_IMETHODIMP nsLDAPURL::GetDn(nsACString& _retval) {
+ _retval.Assign(mDN);
+ return NS_OK;
+}
+NS_IMETHODIMP nsLDAPURL::SetDn(const nsACString& aDn) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ mDN.Assign(aDn);
+
+ // Now get the current path
+ nsCString newPath;
+ GetPathInternal(newPath);
+
+ // and update the base url
+ return NS_MutateURI(mBaseURL).SetPathQueryRef(newPath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::GetAttributes(nsACString& aAttributes) {
+ if (mAttributes.IsEmpty()) {
+ aAttributes.Truncate();
+ return NS_OK;
+ }
+
+ NS_ASSERTION(
+ mAttributes[0] == ',' && mAttributes[mAttributes.Length() - 1] == ',',
+ "mAttributes does not begin and end with a comma");
+
+ // We store the string internally with comma before and after, so strip
+ // them off here.
+ aAttributes = Substring(mAttributes, 1, mAttributes.Length() - 2);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsLDAPURL::SetAttributes(const nsACString& aAttributes) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ if (aAttributes.IsEmpty())
+ mAttributes.Truncate();
+ else {
+ // We need to make sure we start off the string with a comma.
+ if (aAttributes[0] != ',') mAttributes = ',';
+
+ mAttributes.Append(aAttributes);
+
+ // Also end with a comma if appropriate.
+ if (mAttributes[mAttributes.Length() - 1] != ',') mAttributes.Append(',');
+ }
+
+ // Now get the current path
+ nsCString newPath;
+ GetPathInternal(newPath);
+
+ // and update the base url
+ return NS_MutateURI(mBaseURL).SetPathQueryRef(newPath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::AddAttribute(const nsACString& aAttribute) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ if (mAttributes.IsEmpty()) {
+ mAttributes = ',';
+ mAttributes.Append(aAttribute);
+ mAttributes.Append(',');
+ } else {
+ // Wrap the attribute in commas, so that we can do an exact match.
+ nsAutoCString findAttribute(",");
+ findAttribute.Append(aAttribute);
+ findAttribute.Append(',');
+
+ // Check to see if the attribute is already stored. If it is, then also
+ // check to see if it is the last attribute in the string, or if the next
+ // character is a comma, this means we won't match substrings.
+ if (FindInReadable(findAttribute, mAttributes,
+ nsCaseInsensitiveCStringComparator)) {
+ return NS_OK;
+ }
+
+ mAttributes.Append(Substring(findAttribute, 1));
+ }
+
+ // Now get the current path
+ nsCString newPath;
+ GetPathInternal(newPath);
+
+ // and update the base url
+ return NS_MutateURI(mBaseURL).SetPathQueryRef(newPath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::RemoveAttribute(const nsACString& aAttribute) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ if (mAttributes.IsEmpty()) return NS_OK;
+
+ // We use comma as delimiter (even first attr has a leading comma).
+ nsAutoCString findAttribute(",");
+ findAttribute.Append(aAttribute);
+ findAttribute.Append(',');
+
+ if (!FindInReadable(findAttribute, mAttributes,
+ nsCaseInsensitiveCStringComparator)) {
+ return NS_OK;
+ }
+ if (mAttributes.Equals(findAttribute, nsCaseInsensitiveCStringComparator)) {
+ mAttributes.Truncate();
+ } else {
+ mAttributes.ReplaceSubstring(findAttribute, ","_ns);
+ }
+
+ // Now get the current path
+ nsCString newPath;
+ GetPathInternal(newPath);
+
+ // and update the base url
+ return NS_MutateURI(mBaseURL).SetPathQueryRef(newPath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::HasAttribute(const nsACString& aAttribute,
+ bool* _retval) {
+ NS_ENSURE_ARG_POINTER(_retval);
+
+ // We use comma as delimiter (even first attr has a leading comma).
+ nsAutoCString findAttribute(",");
+ findAttribute.Append(aAttribute);
+ findAttribute.Append(',');
+
+ *_retval = FindInReadable(findAttribute, mAttributes,
+ nsCaseInsensitiveCStringComparator);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsLDAPURL::GetScope(int32_t* _retval) {
+ NS_ENSURE_ARG_POINTER(_retval);
+ *_retval = mScope;
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsLDAPURL::SetScope(int32_t aScope) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ // Only allow scopes supported by the C-SDK
+ if ((aScope != SCOPE_BASE) && (aScope != SCOPE_ONELEVEL) &&
+ (aScope != SCOPE_SUBTREE))
+ return NS_ERROR_MALFORMED_URI;
+
+ mScope = aScope;
+
+ // Now get the current path
+ nsCString newPath;
+ GetPathInternal(newPath);
+
+ // and update the base url
+ return NS_MutateURI(mBaseURL).SetPathQueryRef(newPath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::GetFilter(nsACString& _retval) {
+ _retval.Assign(mFilter);
+ return NS_OK;
+}
+NS_IMETHODIMP nsLDAPURL::SetFilter(const nsACString& aFilter) {
+ if (!mBaseURL) return NS_ERROR_NOT_INITIALIZED;
+
+ mFilter.Assign(aFilter);
+
+ if (mFilter.IsEmpty()) mFilter.AssignLiteral("(objectclass=*)");
+
+ // Now get the current path
+ nsCString newPath;
+ GetPathInternal(newPath);
+
+ // and update the base url
+ return NS_MutateURI(mBaseURL).SetPathQueryRef(newPath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP nsLDAPURL::GetOptions(uint32_t* _retval) {
+ NS_ENSURE_ARG_POINTER(_retval);
+ *_retval = mOptions;
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsLDAPURL::SetOptions(uint32_t aOptions) {
+ // Secure is the only option supported at the moment
+ if ((mOptions & OPT_SECURE) == (aOptions & OPT_SECURE)) return NS_OK;
+
+ mOptions = aOptions;
+
+ if ((aOptions & OPT_SECURE) == OPT_SECURE) return SetScheme(LDAP_SSL_SCHEME);
+
+ return SetScheme(LDAP_SCHEME);
+}
+
+nsresult nsLDAPURL::SetRef(const nsACString& aRef) {
+ return NS_MutateURI(mBaseURL).SetRef(aRef).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetRef(nsACString& result) { return mBaseURL->GetRef(result); }
+
+NS_IMETHODIMP nsLDAPURL::EqualsExceptRef(nsIURI* other, bool* result) {
+ return mBaseURL->EqualsExceptRef(other, result);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetSpecIgnoringRef(nsACString& result) {
+ return mBaseURL->GetSpecIgnoringRef(result);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetDisplaySpec(nsACString& aUnicodeSpec) {
+ return mBaseURL->GetDisplaySpec(aUnicodeSpec);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetDisplayHostPort(nsACString& aUnicodeHostPort) {
+ return mBaseURL->GetDisplayHostPort(aUnicodeHostPort);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetDisplayHost(nsACString& aUnicodeHost) {
+ return mBaseURL->GetDisplayHost(aUnicodeHost);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetDisplayPrePath(nsACString& aPrePath) {
+ return mBaseURL->GetDisplayPrePath(aPrePath);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetHasRef(bool* result) { return mBaseURL->GetHasRef(result); }
+
+NS_IMETHODIMP
+nsLDAPURL::GetFilePath(nsACString& aFilePath) {
+ return mBaseURL->GetFilePath(aFilePath);
+}
+
+nsresult nsLDAPURL::SetFilePath(const nsACString& aFilePath) {
+ return NS_MutateURI(mBaseURL).SetFilePath(aFilePath).Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP
+nsLDAPURL::GetQuery(nsACString& aQuery) { return mBaseURL->GetQuery(aQuery); }
+
+nsresult nsLDAPURL::SetQuery(const nsACString& aQuery) {
+ return NS_MutateURI(mBaseURL).SetQuery(aQuery).Finalize(mBaseURL);
+}
+
+nsresult nsLDAPURL::SetQueryWithEncoding(const nsACString& aQuery,
+ const mozilla::Encoding* aEncoding) {
+ return NS_MutateURI(mBaseURL)
+ .SetQueryWithEncoding(aQuery, aEncoding)
+ .Finalize(mBaseURL);
+}
+
+NS_IMETHODIMP_(void)
+nsLDAPURL::Serialize(mozilla::ipc::URIParams& aParams) {
+ mBaseURL->Serialize(aParams);
+}
+
+NS_IMPL_ISUPPORTS(nsLDAPURL::Mutator, nsIURISetters, nsIURIMutator)
+
+NS_IMETHODIMP
+nsLDAPURL::Mutate(nsIURIMutator** aMutator) {
+ RefPtr<nsLDAPURL::Mutator> mutator = new nsLDAPURL::Mutator();
+ nsresult rv = mutator->InitFromURI(this);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ mutator.forget(aMutator);
+ return NS_OK;
+}