1 files changed, 64 insertions, 0 deletions
diff --git a/netwerk/protocol/about/nsAboutProtocolUtils.h b/netwerk/protocol/about/nsAboutProtocolUtils.h
new file mode 100644
index 0000000000..68d1f4d54b
--- /dev/null
+++ b/netwerk/protocol/about/nsAboutProtocolUtils.h
@@ -0,0 +1,64 @@
+/* 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/. */
+
+#ifndef nsAboutProtocolUtils_h
+#define nsAboutProtocolUtils_h
+
+#include "nsIURI.h"
+#include "nsString.h"
+#include "nsReadableUtils.h"
+#include "nsIAboutModule.h"
+#include "nsServiceManagerUtils.h"
+#include "prtime.h"
+
+[[nodiscard]] inline nsresult NS_GetAboutModuleName(nsIURI* aAboutURI,
+                                                    nsCString& aModule) {
+  NS_ASSERTION(aAboutURI->SchemeIs("about"),
+               "should be used only on about: URIs");
+
+  MOZ_TRY(aAboutURI->GetPathQueryRef(aModule));
+
+  int32_t f = aModule.FindCharInSet("#?"_ns);
+  if (f != kNotFound) {
+    aModule.Truncate(f);
+  }
+
+  // convert to lowercase, as all about: modules are lowercase
+  ToLowerCase(aModule);
+  return NS_OK;
+}
+
+[[nodiscard]] inline bool NS_IsContentAccessibleAboutURI(nsIURI* aURI) {
+  MOZ_ASSERT(aURI->SchemeIs("about"), "Should be used only on about: URIs");
+  nsAutoCString name;
+  if (NS_WARN_IF(NS_FAILED(NS_GetAboutModuleName(aURI, name)))) {
+    return true;
+  }
+  return name.EqualsLiteral("blank") || name.EqualsLiteral("srcdoc");
+}
+
+inline nsresult NS_GetAboutModule(nsIURI* aAboutURI, nsIAboutModule** aModule) {
+  MOZ_ASSERT(aAboutURI, "Must have URI");
+
+  nsAutoCString contractID;
+  MOZ_TRY(NS_GetAboutModuleName(aAboutURI, contractID));
+
+  // look up a handler to deal with "what"
+  contractID.InsertLiteral(NS_ABOUT_MODULE_CONTRACTID_PREFIX, 0);
+
+  return CallGetService(contractID.get(), aModule);
+}
+
+inline PRTime SecondsToPRTime(uint32_t t_sec) {
+  return (PRTime)t_sec * PR_USEC_PER_SEC;
+}
+
+inline void PrintTimeString(char* buf, uint32_t bufsize, uint32_t t_sec) {
+  PRExplodedTime et;
+  PRTime t_usec = SecondsToPRTime(t_sec);
+  PR_ExplodeTime(t_usec, PR_LocalTimeParameters, &et);
+  PR_FormatTime(buf, bufsize, "%Y-%m-%d %H:%M:%S", &et);
+}
+
+#endif