cef/include/capi/cef_origin_whitelist_capi.h

// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
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#ifndef CEF_INCLUDE_CAPI_CEF_ORIGIN_WHITELIST_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_ORIGIN_WHITELIST_CAPI_H_
#pragma once

#include "include/capi/cef_base_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

///
// Add an entry to the cross-origin access whitelist.
//
// The same-origin policy restricts how scripts hosted from different origins
// (scheme + domain + port) can communicate. By default, scripts can only access
// resources with the same origin. Scripts hosted on the HTTP and HTTPS schemes
// (but no other schemes) can use the "Access-Control-Allow-Origin" header to
// allow cross-origin requests. For example, https://source.example.com can make
// XMLHttpRequest requests on http://target.example.com if the
// http://target.example.com request returns an "Access-Control-Allow-Origin:
// https://source.example.com" response header.
//
// Scripts in separate frames or iframes and hosted from the same protocol and
// domain suffix can execute cross-origin JavaScript if both pages set the
// document.domain value to the same domain suffix. For example,
// scheme://foo.example.com and scheme://bar.example.com can communicate using
// JavaScript if both domains set document.domain="example.com".
//
// This function is used to allow access to origins that would otherwise violate
// the same-origin policy. Scripts hosted underneath the fully qualified
// |source_origin| URL (like http://www.example.com) will be allowed access to
// all resources hosted on the specified |target_protocol| and |target_domain|.
// If |target_domain| is non-NULL and |allow_target_subdomains| if false (0)
// only exact domain matches will be allowed. If |target_domain| contains a top-
// level domain component (like "example.com") and |allow_target_subdomains| is
// true (1) sub-domain matches will be allowed. If |target_domain| is NULL and
// |allow_target_subdomains| if true (1) all domains and IP addresses will be
// allowed.
//
// This function cannot be used to bypass the restrictions on local or display
// isolated schemes. See the comments on CefRegisterCustomScheme for more
// information.
//
// This function may be called on any thread. Returns false (0) if
// |source_origin| is invalid or the whitelist cannot be accessed.
///
CEF_EXPORT int cef_add_cross_origin_whitelist_entry(
    const cef_string_t* source_origin,
    const cef_string_t* target_protocol,
    const cef_string_t* target_domain,
    int allow_target_subdomains);

///
// Remove an entry from the cross-origin access whitelist. Returns false (0) if
// |source_origin| is invalid or the whitelist cannot be accessed.
///
CEF_EXPORT int cef_remove_cross_origin_whitelist_entry(
    const cef_string_t* source_origin,
    const cef_string_t* target_protocol,
    const cef_string_t* target_domain,
    int allow_target_subdomains);

///
// Remove all entries from the cross-origin access whitelist. Returns false (0)
// if the whitelist cannot be accessed.
///
CEF_EXPORT int cef_clear_cross_origin_whitelist();

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_ORIGIN_WHITELIST_CAPI_H_