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-rw-r--r--netwerk/protocol/about/nsAboutProtocolUtils.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/netwerk/protocol/about/nsAboutProtocolUtils.h b/netwerk/protocol/about/nsAboutProtocolUtils.h
new file mode 100644
index 0000000000..fdc92620f3
--- /dev/null
+++ b/netwerk/protocol/about/nsAboutProtocolUtils.h
@@ -0,0 +1,65 @@
+/* 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 "mozilla/Try.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