gecko/caps/idl/nsIScriptSecurityManager.idl
2011-03-27 23:59:17 -04:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
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* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
#include "nsIPrincipal.idl"
#include "nsIXPCSecurityManager.idl"
interface nsIURI;
interface nsIChannel;
[scriptable, uuid(50eda256-4dd2-4c7c-baed-96983910af9f)]
interface nsIScriptSecurityManager : nsIXPCSecurityManager
{
///////////////// Security Checks //////////////////
/**
* Checks whether the running script is allowed to access aProperty.
*/
[noscript] void checkPropertyAccess(in JSContextPtr aJSContext,
in JSObjectPtr aJSObject,
in string aClassName,
in jsid aProperty,
in PRUint32 aAction);
/**
* Check that the script currently running in context "cx" can load "uri".
*
* Will return error code NS_ERROR_DOM_BAD_URI if the load request
* should be denied.
*
* @param cx the JSContext of the script causing the load
* @param uri the URI that is being loaded
*/
[noscript] void checkLoadURIFromScript(in JSContextPtr cx, in nsIURI uri);
/**
* Default CheckLoadURI permissions
*/
// Default permissions
const unsigned long STANDARD = 0;
// Indicate that the load is a load of a new document that is not
// user-triggered. Here "user-triggered" could be broadly interpreted --
// for example, scripted sets of window.location.href might be treated as
// "user-triggered" in some circumstances. A typical example of a load
// that is not user-triggered is a <meta> refresh load. If this flag is
// set, the load will be denied if the originating principal's URI has the
// nsIProtocolHandler::URI_FORBIDS_AUTOMATIC_DOCUMENT_REPLACEMENT flag set.
const unsigned long LOAD_IS_AUTOMATIC_DOCUMENT_REPLACEMENT = 1 << 0;
// Allow the loading of chrome URLs by non-chrome URLs. Use with great
// care! This will actually allow the loading of any URI which has the
// nsIProtocolHandler::URI_IS_UI_RESOURCE protocol handler flag set. Ths
// probably means at least chrome: and resource:.
const unsigned long ALLOW_CHROME = 1 << 1;
// Don't allow URLs which would inherit the caller's principal (such as
// javascript: or data:) to load. See
// nsIProtocolHandler::URI_INHERITS_SECURITY_CONTEXT.
const unsigned long DISALLOW_INHERIT_PRINCIPAL = 1 << 2;
// Alias for DISALLOW_INHERIT_PRINCIPAL for backwards compat with
// JS-implemented extensions.
const unsigned long DISALLOW_SCRIPT_OR_DATA = DISALLOW_INHERIT_PRINCIPAL;
// Don't allow javascript: URLs to load
// WARNING: Support for this value was added in Mozilla 1.7.8 and
// Firefox 1.0.4. Use in prior versions WILL BE IGNORED.
// When using this, make sure that you actually want DISALLOW_SCRIPT, not
// DISALLOW_INHERIT_PRINCIPAL
const unsigned long DISALLOW_SCRIPT = 1 << 3;
/**
* Check that content with principal aPrincipal can load "uri".
*
* Will return error code NS_ERROR_DOM_BAD_URI if the load request
* should be denied.
*
* @param aPrincipal the principal identifying the actor causing the load
* @param uri the URI that is being loaded
* @param flags the permission set, see above
*/
void checkLoadURIWithPrincipal(in nsIPrincipal aPrincipal,
in nsIURI uri,
in unsigned long flags);
/**
* Check that content from "from" can load "uri".
*
* Will return error code NS_ERROR_DOM_BAD_URI if the load request
* should be denied.
*
* @param from the URI causing the load
* @param uri the URI that is being loaded
* @param flags the permission set, see above
*
* @deprecated Use checkLoadURIWithPrincipal instead of this function.
*/
[deprecated] void checkLoadURI(in nsIURI from, in nsIURI uri,
in unsigned long flags);
/**
* Similar to checkLoadURIWithPrincipal but there are two differences:
*
* 1) The URI is a string, not a URI object.
* 2) This function assumes that the URI may still be subject to fixup (and
* hence will check whether fixed-up versions of the URI are allowed to
* load as well); if any of the versions of this URI is not allowed, this
* function will return error code NS_ERROR_DOM_BAD_URI.
*/
void checkLoadURIStrWithPrincipal(in nsIPrincipal aPrincipal,
in AUTF8String uri,
in unsigned long flags);
/**
* Same as CheckLoadURI but takes string arguments for ease of use
* by scripts
*
* @deprecated Use checkLoadURIStrWithPrincipal instead of this function.
*/
[deprecated] void checkLoadURIStr(in AUTF8String from, in AUTF8String uri,
in unsigned long flags);
/**
* Check that the function 'funObj' is allowed to run on 'targetObj'
*
* Will return error code NS_ERROR_DOM_SECURITY_ERR if the function
* should not run
*
* @param cx The current active JavaScript context.
* @param funObj The function trying to run..
* @param targetObj The object the function will run on.
*/
[noscript] void checkFunctionAccess(in JSContextPtr cx, in voidPtr funObj,
in voidPtr targetObj);
/**
* Return true if content from the given principal is allowed to
* execute scripts.
*/
[noscript] boolean canExecuteScripts(in JSContextPtr cx,
in nsIPrincipal principal);
///////////////// Principals ///////////////////////
/**
* Return the principal of the innermost frame of the currently
* executing script. Will return null if there is no script
* currently executing.
*/
[noscript] nsIPrincipal getSubjectPrincipal();
/**
* Return the all-powerful system principal.
*/
nsIPrincipal getSystemPrincipal();
/**
* Return a principal with the specified certificate fingerprint, subject
* name (the full name or concatenated set of names of the entity
* represented by the certificate), pretty name, certificate, and
* codebase URI. The certificate fingerprint and subject name MUST be
* nonempty; otherwise an error will be thrown. Similarly, aCert must
* not be null.
*/
[noscript] nsIPrincipal
getCertificatePrincipal(in AUTF8String aCertFingerprint,
in AUTF8String aSubjectName,
in AUTF8String aPrettyName,
in nsISupports aCert,
in nsIURI aURI);
/**
* Return a principal that has the same origin as aURI.
*/
nsIPrincipal getCodebasePrincipal(in nsIURI aURI);
///////////////// Capabilities API /////////////////////
/**
* Request that 'capability' can be enabled by scripts or applets
* running with 'principal'. Will prompt user if
* necessary. Returns nsIPrincipal::ENABLE_GRANTED or
* nsIPrincipal::ENABLE_DENIED based on user's choice.
*/
[noscript] short requestCapability(in nsIPrincipal principal,
in string capability);
/**
* Return true if the currently executing script has 'capability' enabled.
*/
boolean isCapabilityEnabled(in string capability);
/**
* Enable 'capability' in the innermost frame of the currently executing
* script.
*/
void enableCapability(in string capability);
/**
* Remove 'capability' from the innermost frame of the currently
* executing script. Any setting of 'capability' from enclosing
* frames thus comes into effect.
*/
void revertCapability(in string capability);
/**
* Disable 'capability' in the innermost frame of the currently executing
* script.
*/
void disableCapability(in string capability);
//////////////// Master Certificate Functions ////////////////////
/**
* Allow 'certificateID' to enable 'capability.' Can only be performed
* by code signed by the system certificate.
*/
// XXXbz Capabilities can't have non-ascii chars?
// XXXbz ideally we'd pass a subjectName here too, and the nsISupports
// cert we're enabling for...
void setCanEnableCapability(in AUTF8String certificateFingerprint,
in string capability,
in short canEnable);
///////////////////////
/**
* Return the principal of the specified object in the specified context.
*/
[noscript] nsIPrincipal getObjectPrincipal(in JSContextPtr cx,
in JSObjectPtr obj);
/**
* Returns true if the principal of the currently running script is the
* system principal, false otherwise.
*/
[noscript] boolean subjectPrincipalIsSystem();
/**
* Returns OK if aJSContext and target have the same "origin"
* (scheme, host, and port).
*/
[noscript] void checkSameOrigin(in JSContextPtr aJSContext,
in nsIURI aTargetURI);
/**
* Returns OK if aSourceURI and target have the same "origin"
* (scheme, host, and port).
* ReportError flag suppresses error reports for functions that
* don't need reporting.
*/
void checkSameOriginURI(in nsIURI aSourceURI,
in nsIURI aTargetURI,
in boolean reportError);
/**
* Returns the principal of the global object of the given context, or null
* if no global or no principal.
*/
[noscript] nsIPrincipal getPrincipalFromContext(in JSContextPtr cx);
/**
* Get the principal for the given channel. This will typically be the
* channel owner if there is one, and the codebase principal for the
* channel's URI otherwise. aChannel must not be null.
*/
nsIPrincipal getChannelPrincipal(in nsIChannel aChannel);
/**
* Check whether a given principal is a system principal. This allows us
* to avoid handing back the system principal to script while allowing
* script to check whether a given principal is system.
*/
boolean isSystemPrincipal(in nsIPrincipal aPrincipal);
/**
* Same as getSubjectPrincipal(), only faster. cx must *never* be
* passed null, and it must be the context on the top of the
* context stack. Does *not* reference count the returned
* principal.
*/
[noscript,notxpcom] nsIPrincipal getCxSubjectPrincipal(in JSContextPtr cx);
[noscript,notxpcom] nsIPrincipal getCxSubjectPrincipalAndFrame(in JSContextPtr cx,
out JSStackFramePtr fp);
/**
* If no scripted code is running "above" (or called from) fp, then
* instead of looking at cx->globalObject, we will return |principal|.
* This function only affects |cx|. If someone pushes another context onto
* the context stack, then it supersedes this call.
* NOTE: If |fp| is non-null popContextPrincipal must be called before fp
* has finished executing.
*
* @param cx The context to clamp.
* @param fp The frame pointer to clamp at. May be 'null'.
* @param principal The principal to clamp to.
*/
[noscript] void pushContextPrincipal(in JSContextPtr cx,
in JSStackFramePtr fp,
in nsIPrincipal principal);
/**
* Removes a clamp set by pushContextPrincipal from cx. This must be
* called in a stack-like fashion (e.g., given two contexts |a| and |b|,
* it is not legal to do: push(a) push(b) pop(a)).
*/
[noscript] void popContextPrincipal(in JSContextPtr cx);
};
%{C++
#define NS_SCRIPTSECURITYMANAGER_CONTRACTID "@mozilla.org/scriptsecuritymanager;1"
#define NS_SCRIPTSECURITYMANAGER_CLASSNAME "scriptsecuritymanager"
%}