From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 toolkit/system/unixproxy/nsLibProxySettings.cpp | 104 ++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 toolkit/system/unixproxy/nsLibProxySettings.cpp

(limited to 'toolkit/system/unixproxy/nsLibProxySettings.cpp')

diff --git a/toolkit/system/unixproxy/nsLibProxySettings.cpp b/toolkit/system/unixproxy/nsLibProxySettings.cpp
new file mode 100644
index 0000000000..4f6f43fb76
--- /dev/null
+++ b/toolkit/system/unixproxy/nsLibProxySettings.cpp
@@ -0,0 +1,104 @@
+/* -*- 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 "nsISystemProxySettings.h"
+#include "mozilla/Components.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+#include "nsNetCID.h"
+#include "nspr.h"
+
+extern "C" {
+#include <proxy.h>
+}
+
+class nsUnixSystemProxySettings : public nsISystemProxySettings {
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSISYSTEMPROXYSETTINGS
+
+  nsUnixSystemProxySettings() { mProxyFactory = nullptr; }
+
+ private:
+  ~nsUnixSystemProxySettings() {
+    if (mProxyFactory) px_proxy_factory_free(mProxyFactory);
+  }
+
+  pxProxyFactory* mProxyFactory;
+};
+
+NS_IMPL_ISUPPORTS(nsUnixSystemProxySettings, nsISystemProxySettings)
+
+NS_IMETHODIMP
+nsUnixSystemProxySettings::GetMainThreadOnly(bool* aMainThreadOnly) {
+  *aMainThreadOnly = false;
+  return NS_OK;
+}
+
+nsresult nsUnixSystemProxySettings::GetPACURI(nsACString& aResult) {
+  // Make sure we return an empty result.
+  aResult.Truncate();
+  return NS_OK;
+}
+
+nsresult nsUnixSystemProxySettings::GetProxyForURI(const nsACString& aSpec,
+                                                   const nsACString& aScheme,
+                                                   const nsACString& aHost,
+                                                   const int32_t aPort,
+                                                   nsACString& aResult) {
+  nsresult rv;
+
+  if (!mProxyFactory) {
+    mProxyFactory = px_proxy_factory_new();
+  }
+  NS_ENSURE_TRUE(mProxyFactory, NS_ERROR_NOT_AVAILABLE);
+
+  char** proxyArray = nullptr;
+  proxyArray = px_proxy_factory_get_proxies(mProxyFactory,
+                                            PromiseFlatCString(aSpec).get());
+  NS_ENSURE_TRUE(proxyArray, NS_ERROR_NOT_AVAILABLE);
+
+  // Translate libproxy's output to PAC string as expected
+  // libproxy returns an array of proxies in the format:
+  // <procotol>://[username:password@]proxy:port
+  // or
+  // direct://
+  //
+  // PAC format: "PROXY proxy1.foo.com:8080; PROXY proxy2.foo.com:8080; DIRECT"
+  // but nsISystemProxySettings allows "PROXY http://proxy.foo.com:8080" as
+  // well.
+
+  int c = 0;
+  while (proxyArray[c] != nullptr) {
+    if (!aResult.IsEmpty()) {
+      aResult.AppendLiteral("; ");
+    }
+
+    // figure out the scheme, and we can't use nsIIOService::NewURI because
+    // this is not the main thread.
+    char* colon = strchr(proxyArray[c], ':');
+    uint32_t schemelen = colon ? colon - proxyArray[c] : 0;
+    if (schemelen < 1) {
+      c++;
+      continue;
+    }
+
+    if (schemelen == 6 && !strncasecmp(proxyArray[c], "direct", 6)) {
+      aResult.AppendLiteral("DIRECT");
+    } else {
+      aResult.AppendLiteral("PROXY ");
+      aResult.Append(proxyArray[c]);
+    }
+
+    c++;
+  }
+
+  free(proxyArray);
+  return NS_OK;
+}
+
+NS_IMPL_COMPONENT_FACTORY(nsUnixSystemProxySettings) {
+  return do_AddRef(new nsUnixSystemProxySettings()).downcast<nsISupports>();
+}
-- 
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