зеркало из https://github.com/mozilla/pjs.git
119 строки
3.8 KiB
Java
119 строки
3.8 KiB
Java
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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package netscape.softupdate ;
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import java.lang.*;
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import netscape.security.PrivilegeManager;
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import netscape.security.Target;
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import netscape.security.AppletSecurity;
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/* InstallFile
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* extracts the file to the temporary directory
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* on Complete(), copies it to the final location
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*/
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class InstallExecute extends InstallObject {
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private String jarLocation; // Location in the JAR
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private String tempFile; // temporary file location
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private String args; // command line arguments
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private String cmdline; // constructed command-line
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/* Constructor
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inJarLocation - location inside the JAR file
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inZigPtr - pointer to the ZIG *
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*/
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InstallExecute(SoftwareUpdate inSoftUpdate, String inJarLocation, String inArgs)
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{
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super(inSoftUpdate);
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jarLocation = inJarLocation;
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args = inArgs;
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/* Request impersonation privileges */
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netscape.security.PrivilegeManager privMgr;
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Target impersonation, target;
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privMgr = AppletSecurity.getPrivilegeManager();
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impersonation = Target.findTarget( SoftwareUpdate.IMPERSONATOR );
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privMgr.enablePrivilege( impersonation );
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/* check the security permissions */
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target = Target.findTarget( SoftwareUpdate.INSTALL_PRIV );
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/* XXX: we need a way to indicate that a dialog box should appear.*/
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privMgr.enablePrivilege( target, softUpdate.GetPrincipal() );
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}
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/* Prepare
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* Extracts file out of the JAR archive into the temp directory
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*/
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protected void Prepare() throws SoftUpdateException
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{
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netscape.security.PrivilegeManager privMgr;
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Target impersonation;
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Target execTarget;
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privMgr = AppletSecurity.getPrivilegeManager();
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impersonation = Target.findTarget( SoftwareUpdate.IMPERSONATOR );
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execTarget = Target.findTarget( SoftwareUpdate.INSTALL_PRIV );
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privMgr.enablePrivilege( impersonation );
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privMgr.enablePrivilege( execTarget, softUpdate.GetPrincipal() );
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tempFile = softUpdate.ExtractJARFile( jarLocation, null );
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if ( args == null || System.getProperty("os.name").startsWith("Mac") )
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cmdline = tempFile;
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else
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cmdline = tempFile+" "+args;
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}
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/* Complete
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* Completes the install by executing the file
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* Security hazard: make sure we request the right permissions
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*/
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protected void Complete() throws SoftUpdateException
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{
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int err;
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Target execTarget;
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netscape.security.PrivilegeManager privMgr;
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Target impersonation;
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privMgr = AppletSecurity.getPrivilegeManager();
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impersonation = Target.findTarget( SoftwareUpdate.IMPERSONATOR );
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privMgr.enablePrivilege( impersonation );
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execTarget = Target.findTarget( SoftwareUpdate.INSTALL_PRIV );
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privMgr.enablePrivilege( execTarget, softUpdate.GetPrincipal() );
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NativeComplete();
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privMgr.revertPrivilege( execTarget );
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//
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// System.out.println("File executed: " + tempFile);
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}
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protected void Abort()
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{
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NativeAbort();
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}
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private native void NativeComplete() throws SoftUpdateException;
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private native void NativeAbort();
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public String toString()
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{
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return Strings.details_ExecuteProgress() + tempFile; // Needs I10n
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}
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}
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