Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 349 insertions, 0 deletions

diff --git a/netwerk/protocol/http/nsHttpAuthCache.cpp b/netwerk/protocol/http/nsHttpAuthCache.cpp
new file mode 100644
index 0000000000..6b2eb81d9e
--- /dev/null
+++ b/netwerk/protocol/http/nsHttpAuthCache.cpp
@@ -0,0 +1,349 @@
+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+// HttpLog.h should generally be included first
+#include "HttpLog.h"
+
+#include "nsHttpAuthCache.h"
+
+#include <algorithm>
+#include <stdlib.h>
+
+#include "mozilla/Attributes.h"
+#include "nsString.h"
+#include "nsCRT.h"
+#include "nsIObserverService.h"
+#include "mozilla/Services.h"
+#include "mozilla/DebugOnly.h"
+#include "nsNetUtil.h"
+
+namespace mozilla {
+namespace net {
+
+static inline void GetAuthKey(const nsACString& scheme, const nsACString& host,
+                              int32_t port, nsACString const& originSuffix,
+                              nsCString& key) {
+  key.Truncate();
+  key.Append(originSuffix);
+  key.Append(':');
+  key.Append(scheme);
+  key.AppendLiteral("://");
+  key.Append(host);
+  key.Append(':');
+  key.AppendInt(port);
+}
+
+//-----------------------------------------------------------------------------
+// nsHttpAuthCache <public>
+//-----------------------------------------------------------------------------
+
+nsHttpAuthCache::nsHttpAuthCache()
+    : mDB(128), mObserver(new OriginClearObserver(this)) {
+  LOG(("nsHttpAuthCache::nsHttpAuthCache %p", this));
+
+  nsCOMPtr<nsIObserverService> obsSvc = services::GetObserverService();
+  if (obsSvc) {
+    obsSvc->AddObserver(mObserver, "clear-origin-attributes-data", false);
+  }
+}
+
+nsHttpAuthCache::~nsHttpAuthCache() {
+  LOG(("nsHttpAuthCache::~nsHttpAuthCache %p", this));
+
+  ClearAll();
+  nsCOMPtr<nsIObserverService> obsSvc = services::GetObserverService();
+  if (obsSvc) {
+    obsSvc->RemoveObserver(mObserver, "clear-origin-attributes-data");
+    mObserver->mOwner = nullptr;
+  }
+}
+
+nsresult nsHttpAuthCache::GetAuthEntryForPath(const nsACString& scheme,
+                                              const nsACString& host,
+                                              int32_t port,
+                                              const nsACString& path,
+                                              nsACString const& originSuffix,
+                                              nsHttpAuthEntry** entry) {
+  LOG(("nsHttpAuthCache::GetAuthEntryForPath %p [path=%s]\n", this,
+       path.BeginReading()));
+
+  nsAutoCString key;
+  nsHttpAuthNode* node = LookupAuthNode(scheme, host, port, originSuffix, key);
+  if (!node) return NS_ERROR_NOT_AVAILABLE;
+
+  *entry = node->LookupEntryByPath(path);
+  LOG(("  returning %p", *entry));
+  return *entry ? NS_OK : NS_ERROR_NOT_AVAILABLE;
+}
+
+nsresult nsHttpAuthCache::GetAuthEntryForDomain(const nsACString& scheme,
+                                                const nsACString& host,
+                                                int32_t port,
+                                                const nsACString& realm,
+                                                nsACString const& originSuffix,
+                                                nsHttpAuthEntry** entry)
+
+{
+  LOG(("nsHttpAuthCache::GetAuthEntryForDomain %p [realm=%s]\n", this,
+       realm.BeginReading()));
+
+  nsAutoCString key;
+  nsHttpAuthNode* node = LookupAuthNode(scheme, host, port, originSuffix, key);
+  if (!node) return NS_ERROR_NOT_AVAILABLE;
+
+  *entry = node->LookupEntryByRealm(realm);
+  LOG(("  returning %p", *entry));
+  return *entry ? NS_OK : NS_ERROR_NOT_AVAILABLE;
+}
+
+nsresult nsHttpAuthCache::SetAuthEntry(
+    const nsACString& scheme, const nsACString& host, int32_t port,
+    const nsACString& path, const nsACString& realm, const nsACString& creds,
+    const nsACString& challenge, nsACString const& originSuffix,
+    const nsHttpAuthIdentity* ident, nsISupports* metadata) {
+  nsresult rv;
+
+  LOG(("nsHttpAuthCache::SetAuthEntry %p [realm=%s path=%s metadata=%p]\n",
+       this, realm.BeginReading(), path.BeginReading(), metadata));
+
+  nsAutoCString key;
+  nsHttpAuthNode* node = LookupAuthNode(scheme, host, port, originSuffix, key);
+
+  if (!node) {
+    // create a new entry node and set the given entry
+    auto node = UniquePtr<nsHttpAuthNode>(new nsHttpAuthNode);
+    LOG(("  new nsHttpAuthNode %p for key='%s'", node.get(), key.get()));
+    rv = node->SetAuthEntry(path, realm, creds, challenge, ident, metadata);
+    if (NS_FAILED(rv)) {
+      return rv;
+    }
+
+    mDB.InsertOrUpdate(key, std::move(node));
+    return NS_OK;
+  }
+
+  return node->SetAuthEntry(path, realm, creds, challenge, ident, metadata);
+}
+
+void nsHttpAuthCache::ClearAuthEntry(const nsACString& scheme,
+                                     const nsACString& host, int32_t port,
+                                     const nsACString& realm,
+                                     nsACString const& originSuffix) {
+  nsAutoCString key;
+  GetAuthKey(scheme, host, port, originSuffix, key);
+  LOG(("nsHttpAuthCache::ClearAuthEntry %p key='%s'\n", this, key.get()));
+  mDB.Remove(key);
+}
+
+void nsHttpAuthCache::ClearAll() {
+  LOG(("nsHttpAuthCache::ClearAll %p\n", this));
+  mDB.Clear();
+}
+
+//-----------------------------------------------------------------------------
+// nsHttpAuthCache <private>
+//-----------------------------------------------------------------------------
+
+nsHttpAuthNode* nsHttpAuthCache::LookupAuthNode(const nsACString& scheme,
+                                                const nsACString& host,
+                                                int32_t port,
+                                                nsACString const& originSuffix,
+                                                nsCString& key) {
+  GetAuthKey(scheme, host, port, originSuffix, key);
+  nsHttpAuthNode* result = mDB.Get(key);
+
+  LOG(("nsHttpAuthCache::LookupAuthNode %p key='%s' found node=%p", this,
+       key.get(), result));
+  return result;
+}
+
+NS_IMPL_ISUPPORTS(nsHttpAuthCache::OriginClearObserver, nsIObserver)
+
+NS_IMETHODIMP
+nsHttpAuthCache::OriginClearObserver::Observe(nsISupports* subject,
+                                              const char* topic,
+                                              const char16_t* data_unicode) {
+  NS_ENSURE_TRUE(mOwner, NS_ERROR_NOT_AVAILABLE);
+
+  OriginAttributesPattern pattern;
+  if (!pattern.Init(nsDependentString(data_unicode))) {
+    NS_ERROR("Cannot parse origin attributes pattern");
+    return NS_ERROR_FAILURE;
+  }
+
+  mOwner->ClearOriginData(pattern);
+  return NS_OK;
+}
+
+void nsHttpAuthCache::ClearOriginData(OriginAttributesPattern const& pattern) {
+  LOG(("nsHttpAuthCache::ClearOriginData %p", this));
+
+  for (auto iter = mDB.Iter(); !iter.Done(); iter.Next()) {
+    const nsACString& key = iter.Key();
+
+    // Extract the origin attributes suffix from the key.
+    int32_t colon = key.FindChar(':');
+    MOZ_ASSERT(colon != kNotFound);
+    nsDependentCSubstring oaSuffix = StringHead(key, colon);
+
+    // Build the OriginAttributes object of it...
+    OriginAttributes oa;
+    DebugOnly<bool> rv = oa.PopulateFromSuffix(oaSuffix);
+    MOZ_ASSERT(rv);
+
+    // ...and match it against the given pattern.
+    if (pattern.Matches(oa)) {
+      iter.Remove();
+    }
+  }
+}
+
+void nsHttpAuthCache::CollectKeys(nsTArray<nsCString>& aValue) {
+  AppendToArray(aValue, mDB.Keys());
+}
+
+//-----------------------------------------------------------------------------
+// nsHttpAuthIdentity
+//-----------------------------------------------------------------------------
+
+void nsHttpAuthIdentity::Clear() {
+  mUser.Truncate();
+  mPass.Truncate();
+  mDomain.Truncate();
+}
+
+bool nsHttpAuthIdentity::Equals(const nsHttpAuthIdentity& ident) const {
+  // we could probably optimize this with a single loop, but why bother?
+  return mUser == ident.mUser && mPass == ident.mPass &&
+         mDomain == ident.mDomain;
+}
+
+//-----------------------------------------------------------------------------
+// nsHttpAuthEntry
+//-----------------------------------------------------------------------------
+
+nsresult nsHttpAuthEntry::AddPath(const nsACString& aPath) {
+  for (const auto& p : mPaths) {
+    if (StringBeginsWith(aPath, p)) {
+      return NS_OK;  // subpath already exists in the list
+    }
+  }
+
+  mPaths.AppendElement(aPath);
+  return NS_OK;
+}
+
+nsresult nsHttpAuthEntry::Set(const nsACString& path, const nsACString& realm,
+                              const nsACString& creds, const nsACString& chall,
+                              const nsHttpAuthIdentity* ident,
+                              nsISupports* metadata) {
+  if (ident) {
+    mIdent = *ident;
+  } else if (mIdent.IsEmpty()) {
+    // If we are not given an identity and our cached identity has not been
+    // initialized yet (so is currently empty), initialize it now by
+    // filling it with nulls.  We need to do that because consumers expect
+    // that mIdent is initialized after this function returns.
+    mIdent.Clear();
+  }
+
+  nsresult rv = AddPath(path);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mRealm = realm;
+  mCreds = creds;
+  mChallenge = chall;
+  mMetaData = metadata;
+
+  return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// nsHttpAuthNode
+//-----------------------------------------------------------------------------
+
+nsHttpAuthNode::nsHttpAuthNode() {
+  LOG(("Creating nsHttpAuthNode @%p\n", this));
+}
+
+nsHttpAuthNode::~nsHttpAuthNode() {
+  LOG(("Destroying nsHttpAuthNode @%p\n", this));
+
+  mList.Clear();
+}
+
+nsHttpAuthEntry* nsHttpAuthNode::LookupEntryByPath(const nsACString& aPath) {
+  // look for an entry that either matches or contains this directory.
+  // ie. we'll give out credentials if the given directory is a sub-
+  // directory of an existing entry.
+  for (uint32_t i = 0; i < mList.Length(); ++i) {
+    const auto& entry = mList[i];
+
+    for (const auto& entryPath : entry->mPaths) {
+      // proxy auth entries have no path, so require exact match on
+      // empty path string.
+      if (entryPath.IsEmpty()) {
+        if (aPath.IsEmpty()) {
+          return entry.get();
+        }
+      } else if (StringBeginsWith(aPath, entryPath)) {
+        return entry.get();
+      }
+    }
+  }
+  return nullptr;
+}
+
+nsHttpAuthNode::EntryList::const_iterator nsHttpAuthNode::LookupEntryItrByRealm(
+    const nsACString& realm) const {
+  return std::find_if(mList.cbegin(), mList.cend(), [&realm](const auto& val) {
+    return realm.Equals(val->Realm());
+  });
+}
+
+nsHttpAuthEntry* nsHttpAuthNode::LookupEntryByRealm(const nsACString& realm) {
+  auto itr = LookupEntryItrByRealm(realm);
+  if (itr != mList.cend()) {
+    return itr->get();
+  }
+
+  return nullptr;
+}
+
+nsresult nsHttpAuthNode::SetAuthEntry(const nsACString& path,
+                                      const nsACString& realm,
+                                      const nsACString& creds,
+                                      const nsACString& challenge,
+                                      const nsHttpAuthIdentity* ident,
+                                      nsISupports* metadata) {
+  // look for an entry with a matching realm
+  nsHttpAuthEntry* entry = LookupEntryByRealm(realm);
+  if (!entry) {
+    // We want the latest identity be at the begining of the list so that
+    // the newest working credentials are sent first on new requests.
+    // Changing a realm is sometimes used to "timeout" authrozization.
+    mList.InsertElementAt(
+        0, WrapUnique(new nsHttpAuthEntry(path, realm, creds, challenge, ident,
+                                          metadata)));
+  } else {
+    // update the entry...
+    nsresult rv = entry->Set(path, realm, creds, challenge, ident, metadata);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
+
+  return NS_OK;
+}
+
+void nsHttpAuthNode::ClearAuthEntry(const nsACString& realm) {
+  auto idx = LookupEntryItrByRealm(realm);
+  if (idx != mList.cend()) {
+    mList.RemoveElementAt(idx);
+  }
+}
+
+}  // namespace net
+}  // namespace mozilla