15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009 Google Inc. 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 281e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/clipboard/ClipboardUtilities.h" 291e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) 301e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "wtf/text/WTFString.h" 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// On POSIX systems, the typical filename length limit is 255 character units. HFS+'s limit is 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// actually 255 Unicode characters using Apple's modification of Normzliation Form D, but the 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// differences aren't really worth dealing with here. 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)static const unsigned maxFilenameLength = 255; 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)static bool isInvalidFileCharacter(UChar c) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // HFS+ disallows '/' and Linux systems also disallow null. For sanity's sake we'll also 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // disallow control characters. 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return c < ' ' || c == 0x7F || c == '/'; 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 461e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)void validateFilename(String& name, String& extension) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Remove any invalid file system characters, especially "/". 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) name = name.removeCharacters(&isInvalidFileCharacter); 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) extension = extension.removeCharacters(&isInvalidFileCharacter); 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Remove a ridiculously-long extension. 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (extension.length() >= maxFilenameLength) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) extension = String(); 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Truncate an overly-long filename, reserving one character for a dot. 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) name.truncate(maxFilenameLength - extension.length() - 1); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 60c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 61