Add m-esr52 at 52.6.0

1 files changed, 324 insertions, 0 deletions

diff --git a/toolkit/components/remote/nsXRemoteService.cpp b/toolkit/components/remote/nsXRemoteService.cpp
new file mode 100644
index 000000000..41a40e471
--- /dev/null
+++ b/toolkit/components/remote/nsXRemoteService.cpp
@@ -0,0 +1,324 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=8:
+ */
+/* 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/ArrayUtils.h"
+
+#include "nsXRemoteService.h"
+#include "nsIObserverService.h"
+#include "nsCOMPtr.h"
+#include "nsIServiceManager.h"
+#include "nsICommandLineRunner.h"
+#include "nsICommandLine.h"
+
+#include "nsIBaseWindow.h"
+#include "nsIDocShell.h"
+#include "nsIFile.h"
+#include "nsIServiceManager.h"
+#include "nsIWeakReference.h"
+#include "nsIWidget.h"
+#include "nsIAppShellService.h"
+#include "nsAppShellCID.h"
+#include "nsPIDOMWindow.h"
+#include "mozilla/X11Util.h"
+
+#include "nsCOMPtr.h"
+#include "nsString.h"
+#include "prprf.h"
+#include "prenv.h"
+#include "nsCRT.h"
+
+#include "nsXULAppAPI.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+using namespace mozilla;
+
+#define MOZILLA_VERSION_PROP   "_MOZILLA_VERSION"
+#define MOZILLA_LOCK_PROP      "_MOZILLA_LOCK"
+#define MOZILLA_RESPONSE_PROP  "_MOZILLA_RESPONSE"
+#define MOZILLA_USER_PROP      "_MOZILLA_USER"
+#define MOZILLA_PROFILE_PROP   "_MOZILLA_PROFILE"
+#define MOZILLA_PROGRAM_PROP   "_MOZILLA_PROGRAM"
+#define MOZILLA_COMMANDLINE_PROP "_MOZILLA_COMMANDLINE"
+
+const unsigned char kRemoteVersion[] = "5.1";
+
+#ifdef IS_BIG_ENDIAN
+#define TO_LITTLE_ENDIAN32(x) \
+    ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+    (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+#else
+#define TO_LITTLE_ENDIAN32(x) (x)
+#endif
+
+// Minimize the roundtrips to the X server by getting all the atoms at once
+static const char *XAtomNames[] = {
+  MOZILLA_VERSION_PROP,
+  MOZILLA_LOCK_PROP,
+  MOZILLA_RESPONSE_PROP,
+  MOZILLA_USER_PROP,
+  MOZILLA_PROFILE_PROP,
+  MOZILLA_PROGRAM_PROP,
+  MOZILLA_COMMANDLINE_PROP
+};
+static Atom XAtoms[MOZ_ARRAY_LENGTH(XAtomNames)];
+
+Atom nsXRemoteService::sMozVersionAtom;
+Atom nsXRemoteService::sMozLockAtom;
+Atom nsXRemoteService::sMozResponseAtom;
+Atom nsXRemoteService::sMozUserAtom;
+Atom nsXRemoteService::sMozProfileAtom;
+Atom nsXRemoteService::sMozProgramAtom;
+Atom nsXRemoteService::sMozCommandLineAtom;
+
+nsXRemoteService * nsXRemoteService::sRemoteImplementation = 0;
+
+
+static bool
+FindExtensionParameterInCommand(const char* aParameterName,
+                                const nsACString& aCommand,
+                                char aSeparator,
+                                nsACString* aValue)
+{
+  nsAutoCString searchFor;
+  searchFor.Append(aSeparator);
+  searchFor.Append(aParameterName);
+  searchFor.Append('=');
+
+  nsACString::const_iterator start, end;
+  aCommand.BeginReading(start);
+  aCommand.EndReading(end);
+  if (!FindInReadable(searchFor, start, end))
+    return false;
+
+  nsACString::const_iterator charStart, charEnd;
+  charStart = end;
+  aCommand.EndReading(charEnd);
+  nsACString::const_iterator idStart = charStart, idEnd;
+  if (FindCharInReadable(aSeparator, charStart, charEnd)) {
+    idEnd = charStart;
+  } else {
+    idEnd = charEnd;
+  }
+  *aValue = nsDependentCSubstring(idStart, idEnd);
+  return true;
+}
+
+
+nsXRemoteService::nsXRemoteService()
+{    
+}
+
+void
+nsXRemoteService::XRemoteBaseStartup(const char *aAppName, const char *aProfileName)
+{
+    EnsureAtoms();
+
+    mAppName = aAppName;
+    ToLowerCase(mAppName);
+
+    mProfileName = aProfileName;
+
+    nsCOMPtr<nsIObserverService> obs(do_GetService("@mozilla.org/observer-service;1"));
+    if (obs) {
+      obs->AddObserver(this, "xpcom-shutdown", false);
+      obs->AddObserver(this, "quit-application", false);
+    }
+}
+
+void 
+nsXRemoteService::HandleCommandsFor(Window aWindowId)
+{
+  // set our version
+  XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozVersionAtom, XA_STRING,
+                  8, PropModeReplace, kRemoteVersion, sizeof(kRemoteVersion) - 1);
+
+  // get our username
+  unsigned char *logname;
+  logname = (unsigned char*) PR_GetEnv("LOGNAME");
+  if (logname) {
+    // set the property on the window if it's available
+    XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozUserAtom, XA_STRING,
+                    8, PropModeReplace, logname, strlen((char*) logname));
+  }
+
+  XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozProgramAtom, XA_STRING,
+                  8, PropModeReplace, (unsigned char*) mAppName.get(), mAppName.Length());
+
+  if (!mProfileName.IsEmpty()) {
+    XChangeProperty(mozilla::DefaultXDisplay(),
+                    aWindowId, sMozProfileAtom, XA_STRING,
+                    8, PropModeReplace,
+                    (unsigned char*) mProfileName.get(), mProfileName.Length());
+  }
+
+}
+
+NS_IMETHODIMP
+nsXRemoteService::Observe(nsISupports* aSubject,
+                          const char *aTopic,
+                          const char16_t *aData)
+{
+  // This can be xpcom-shutdown or quit-application, but it's the same either
+  // way.
+  Shutdown();
+  return NS_OK;
+}
+
+bool
+nsXRemoteService::HandleNewProperty(XID aWindowId, Display* aDisplay,
+                                    Time aEventTime,
+                                    Atom aChangedAtom,
+                                    nsIWeakReference* aDomWindow)
+{
+
+  nsCOMPtr<nsIDOMWindow> window (do_QueryReferent(aDomWindow));
+
+  if (aChangedAtom == sMozCommandLineAtom) {
+    // We got a new command atom.
+    int result;
+    Atom actual_type;
+    int actual_format;
+    unsigned long nitems, bytes_after;
+    char *data = 0;
+
+    result = XGetWindowProperty (aDisplay,
+                                 aWindowId,
+                                 aChangedAtom,
+                                 0,                        /* long_offset */
+                                 (65536 / sizeof (long)),  /* long_length */
+                                 True,                     /* atomic delete after */
+                                 XA_STRING,                /* req_type */
+                                 &actual_type,             /* actual_type return */
+                                 &actual_format,           /* actual_format_return */
+                                 &nitems,                  /* nitems_return */
+                                 &bytes_after,             /* bytes_after_return */
+                                 (unsigned char **)&data); /* prop_return
+                                                              (we only care
+                                                              about the first ) */
+
+    // Failed to get property off the window?
+    if (result != Success)
+      return false;
+
+    // Failed to get the data off the window or it was the wrong type?
+    if (!data || !TO_LITTLE_ENDIAN32(*reinterpret_cast<int32_t*>(data)))
+      return false;
+
+    // cool, we got the property data.
+    const char *response = HandleCommandLine(data, window, aEventTime);
+
+    // put the property onto the window as the response
+    XChangeProperty (aDisplay, aWindowId,
+                     sMozResponseAtom, XA_STRING,
+                     8, PropModeReplace,
+                     (const unsigned char *)response,
+                     strlen (response));
+    XFree(data);
+    return true;
+  }
+
+  else if (aChangedAtom == sMozResponseAtom) {
+    // client accepted the response.  party on wayne.
+    return true;
+  }
+
+  else if (aChangedAtom == sMozLockAtom) {
+    // someone locked the window
+    return true;
+  }
+
+  return false;
+}
+
+const char*
+nsXRemoteService::HandleCommandLine(char* aBuffer, nsIDOMWindow* aWindow,
+                                    uint32_t aTimestamp)
+{
+  nsresult rv;
+
+  nsCOMPtr<nsICommandLineRunner> cmdline
+    (do_CreateInstance("@mozilla.org/toolkit/command-line;1", &rv));
+  if (NS_FAILED(rv))
+    return "509 internal error";
+
+  // the commandline property is constructed as an array of int32_t
+  // followed by a series of null-terminated strings:
+  //
+  // [argc][offsetargv0][offsetargv1...]<workingdir>\0<argv[0]>\0argv[1]...\0
+  // (offset is from the beginning of the buffer)
+
+  int32_t argc = TO_LITTLE_ENDIAN32(*reinterpret_cast<int32_t*>(aBuffer));
+  char *wd   = aBuffer + ((argc + 1) * sizeof(int32_t));
+
+  nsCOMPtr<nsIFile> lf;
+  rv = NS_NewNativeLocalFile(nsDependentCString(wd), true,
+                             getter_AddRefs(lf));
+  if (NS_FAILED(rv))
+    return "509 internal error";
+
+  nsAutoCString desktopStartupID;
+
+  char **argv = (char**) malloc(sizeof(char*) * argc);
+  if (!argv) return "509 internal error";
+
+  int32_t  *offset = reinterpret_cast<int32_t*>(aBuffer) + 1;
+
+  for (int i = 0; i < argc; ++i) {
+    argv[i] = aBuffer + TO_LITTLE_ENDIAN32(offset[i]);
+
+    if (i == 0) {
+      nsDependentCString cmd(argv[0]);
+      FindExtensionParameterInCommand("DESKTOP_STARTUP_ID",
+                                      cmd, ' ',
+                                      &desktopStartupID);
+    }
+  }
+
+  rv = cmdline->Init(argc, argv, lf, nsICommandLine::STATE_REMOTE_AUTO);
+
+  free (argv);
+  if (NS_FAILED(rv)) {
+    return "509 internal error";
+  }
+
+  if (aWindow)
+    cmdline->SetWindowContext(aWindow);
+
+  if (sRemoteImplementation)
+    sRemoteImplementation->SetDesktopStartupIDOrTimestamp(desktopStartupID, aTimestamp);
+
+  rv = cmdline->Run();
+
+  if (NS_ERROR_ABORT == rv)
+    return "500 command not parseable";
+
+  if (NS_FAILED(rv))
+    return "509 internal error";
+
+  return "200 executed command";
+}
+
+void
+nsXRemoteService::EnsureAtoms(void)
+{
+  if (sMozVersionAtom)
+    return;
+
+  XInternAtoms(mozilla::DefaultXDisplay(), const_cast<char**>(XAtomNames),
+               ArrayLength(XAtomNames), False, XAtoms);
+
+  int i = 0;
+  sMozVersionAtom     = XAtoms[i++];
+  sMozLockAtom        = XAtoms[i++];
+  sMozResponseAtom    = XAtoms[i++];
+  sMozUserAtom        = XAtoms[i++];
+  sMozProfileAtom     = XAtoms[i++];
+  sMozProgramAtom     = XAtoms[i++];
+  sMozCommandLineAtom = XAtoms[i++];
+}