1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_PUBLIC_COMMON_URL_UTILS_H_ 6 #define CONTENT_PUBLIC_COMMON_URL_UTILS_H_ 7 8 #include <stddef.h> // For size_t 9 10 #include "build/build_config.h" 11 #include "content/common/content_export.h" 12 13 class GURL; 14 15 namespace content { 16 17 // Null terminated list of schemes that are savable. This function can be 18 // invoked on any thread. 19 CONTENT_EXPORT const char* const* GetSavableSchemes(); 20 21 // Returns true if the url has a scheme for WebUI. See also 22 // WebUIControllerFactory::UseWebUIForURL in the browser process. 23 CONTENT_EXPORT bool HasWebUIScheme(const GURL& url); 24 25 // Check whether we can do the saving page operation for the specified URL. 26 CONTENT_EXPORT bool IsSavableURL(const GURL& url); 27 28 #if defined(OS_ANDROID) 29 // Set a new max size for URL's that we are willing to accept in the browser 30 // process. 31 // Should not be used except by Android WebView for backwards compatibility. 32 // Should be called early in start up before forking child processes. 33 // 34 // This is for supporting legacy android apps, android webview needs to 35 // support loading long data urls. In chrome, the url length is limited to 2M to 36 // prevent renderer process DOS-ing the browser process. So only for android 37 // webview, increase the limit to 20M, which is a large enough value to satisfy 38 // legacy app compatibility requirements. 39 CONTENT_EXPORT void SetMaxURLChars(size_t max_chars); 40 #endif 41 42 // The maximum number of characters in the URL that we're willing to accept 43 // in the browser process. It is set low enough to avoid damage to the browser 44 // but high enough that a web site can abuse location.hash for a little storage. 45 // We have different values for "max accepted" and "max displayed" because 46 // a data: URI may be legitimately massive, but the full URI would kill all 47 // known operating systems if you dropped it into a UI control. 48 CONTENT_EXPORT size_t GetMaxURLChars(); 49 50 } // namespace content 51 52 #endif // CONTENT_PUBLIC_COMMON_URL_UTILS_H_ 53
