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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 /netwerk/cookie/nsCookie.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/cookie/nsCookie.cpp')
-rw-r--r--netwerk/cookie/nsCookie.cpp177
1 files changed, 177 insertions, 0 deletions
diff --git a/netwerk/cookie/nsCookie.cpp b/netwerk/cookie/nsCookie.cpp
new file mode 100644
index 000000000..5afe6fe80
--- /dev/null
+++ b/netwerk/cookie/nsCookie.cpp
@@ -0,0 +1,177 @@
+/* -*- 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 "mozilla/dom/ToJSValue.h"
+#include "nsAutoPtr.h"
+#include "nsCookie.h"
+#include "nsUTF8ConverterService.h"
+#include <stdlib.h>
+
+/******************************************************************************
+ * nsCookie:
+ * string helper impl
+ ******************************************************************************/
+
+// copy aSource strings into contiguous storage provided in aDest1,
+// providing terminating nulls for each destination string.
+static inline void
+StrBlockCopy(const nsACString &aSource1,
+ const nsACString &aSource2,
+ const nsACString &aSource3,
+ const nsACString &aSource4,
+ char *&aDest1,
+ char *&aDest2,
+ char *&aDest3,
+ char *&aDest4,
+ char *&aDestEnd)
+{
+ char *toBegin = aDest1;
+ nsACString::const_iterator fromBegin, fromEnd;
+
+ *copy_string(aSource1.BeginReading(fromBegin), aSource1.EndReading(fromEnd), toBegin) = char(0);
+ aDest2 = ++toBegin;
+ *copy_string(aSource2.BeginReading(fromBegin), aSource2.EndReading(fromEnd), toBegin) = char(0);
+ aDest3 = ++toBegin;
+ *copy_string(aSource3.BeginReading(fromBegin), aSource3.EndReading(fromEnd), toBegin) = char(0);
+ aDest4 = ++toBegin;
+ *copy_string(aSource4.BeginReading(fromBegin), aSource4.EndReading(fromEnd), toBegin) = char(0);
+ aDestEnd = toBegin;
+}
+
+/******************************************************************************
+ * nsCookie:
+ * creation helper
+ ******************************************************************************/
+
+// This is a counter that keeps track of the last used creation time, each time
+// we create a new nsCookie. This is nominally the time (in microseconds) the
+// cookie was created, but is guaranteed to be monotonically increasing for
+// cookies added at runtime after the database has been read in. This is
+// necessary to enforce ordering among cookies whose creation times would
+// otherwise overlap, since it's possible two cookies may be created at the same
+// time, or that the system clock isn't monotonic.
+static int64_t gLastCreationTime;
+
+int64_t
+nsCookie::GenerateUniqueCreationTime(int64_t aCreationTime)
+{
+ // Check if the creation time given to us is greater than the running maximum
+ // (it should always be monotonically increasing).
+ if (aCreationTime > gLastCreationTime) {
+ gLastCreationTime = aCreationTime;
+ return aCreationTime;
+ }
+
+ // Make up our own.
+ return ++gLastCreationTime;
+}
+
+nsCookie *
+nsCookie::Create(const nsACString &aName,
+ const nsACString &aValue,
+ const nsACString &aHost,
+ const nsACString &aPath,
+ int64_t aExpiry,
+ int64_t aLastAccessed,
+ int64_t aCreationTime,
+ bool aIsSession,
+ bool aIsSecure,
+ bool aIsHttpOnly,
+ const OriginAttributes& aOriginAttributes)
+{
+ // Ensure mValue contains a valid UTF-8 sequence. Otherwise XPConnect will
+ // truncate the string after the first invalid octet.
+ RefPtr<nsUTF8ConverterService> converter = new nsUTF8ConverterService();
+ nsAutoCString aUTF8Value;
+ converter->ConvertStringToUTF8(aValue, "UTF-8", false, true, 1, aUTF8Value);
+
+ // find the required string buffer size, adding 4 for the terminating nulls
+ const uint32_t stringLength = aName.Length() + aUTF8Value.Length() +
+ aHost.Length() + aPath.Length() + 4;
+
+ // allocate contiguous space for the nsCookie and its strings -
+ // we store the strings in-line with the nsCookie to save allocations
+ void *place = ::operator new(sizeof(nsCookie) + stringLength);
+ if (!place)
+ return nullptr;
+
+ // assign string members
+ char *name, *value, *host, *path, *end;
+ name = static_cast<char *>(place) + sizeof(nsCookie);
+ StrBlockCopy(aName, aUTF8Value, aHost, aPath,
+ name, value, host, path, end);
+
+ // If the creationTime given to us is higher than the running maximum, update
+ // our maximum.
+ if (aCreationTime > gLastCreationTime)
+ gLastCreationTime = aCreationTime;
+
+ // construct the cookie. placement new, oh yeah!
+ return new (place) nsCookie(name, value, host, path, end,
+ aExpiry, aLastAccessed, aCreationTime,
+ aIsSession, aIsSecure, aIsHttpOnly,
+ aOriginAttributes);
+}
+
+size_t
+nsCookie::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
+{
+ // There is no need to measure the sizes of the individual string
+ // members, since the strings are stored in-line with the nsCookie.
+ return aMallocSizeOf(this);
+}
+
+bool
+nsCookie::IsStale() const
+{
+ int64_t currentTimeInUsec = PR_Now();
+
+ return currentTimeInUsec - LastAccessed() > mCookieStaleThreshold * PR_USEC_PER_SEC;
+}
+
+/******************************************************************************
+ * nsCookie:
+ * xpcom impl
+ ******************************************************************************/
+
+// xpcom getters
+NS_IMETHODIMP nsCookie::GetName(nsACString &aName) { aName = Name(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetValue(nsACString &aValue) { aValue = Value(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetHost(nsACString &aHost) { aHost = Host(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetRawHost(nsACString &aHost) { aHost = RawHost(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetPath(nsACString &aPath) { aPath = Path(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetExpiry(int64_t *aExpiry) { *aExpiry = Expiry(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetIsSession(bool *aIsSession) { *aIsSession = IsSession(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetIsDomain(bool *aIsDomain) { *aIsDomain = IsDomain(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetIsSecure(bool *aIsSecure) { *aIsSecure = IsSecure(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetIsHttpOnly(bool *aHttpOnly) { *aHttpOnly = IsHttpOnly(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetStatus(nsCookieStatus *aStatus) { *aStatus = 0; return NS_OK; }
+NS_IMETHODIMP nsCookie::GetPolicy(nsCookiePolicy *aPolicy) { *aPolicy = 0; return NS_OK; }
+NS_IMETHODIMP nsCookie::GetCreationTime(int64_t *aCreation){ *aCreation = CreationTime(); return NS_OK; }
+NS_IMETHODIMP nsCookie::GetLastAccessed(int64_t *aTime) { *aTime = LastAccessed(); return NS_OK; }
+
+NS_IMETHODIMP
+nsCookie::GetOriginAttributes(JSContext *aCx, JS::MutableHandle<JS::Value> aVal)
+{
+ if (NS_WARN_IF(!ToJSValue(aCx, mOriginAttributes, aVal))) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+// compatibility method, for use with the legacy nsICookie interface.
+// here, expires == 0 denotes a session cookie.
+NS_IMETHODIMP
+nsCookie::GetExpires(uint64_t *aExpires)
+{
+ if (IsSession()) {
+ *aExpires = 0;
+ } else {
+ *aExpires = Expiry() > 0 ? Expiry() : 1;
+ }
+ return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(nsCookie, nsICookie2, nsICookie)