15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/url_schemes.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <algorithm> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 147d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "base/strings/string_util.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/savable_url_schemes.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/content_client.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/url_constants.h" 187dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/url_util.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AddStandardSchemeHelper(const std::string& scheme) { 235c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::AddStandardScheme(scheme.c_str()); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RegisterContentSchemes(bool lock_standard_schemes) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<std::string> additional_standard_schemes; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<std::string> additional_savable_schemes; 334e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) GetContentClient()->AddAdditionalSchemes(&additional_standard_schemes, 344e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) &additional_savable_schemes); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::AddStandardScheme(kChromeDevToolsScheme); 375c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::AddStandardScheme(kChromeUIScheme); 385c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::AddStandardScheme(kGuestScheme); 395c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::AddStandardScheme(kMetadataScheme); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::for_each(additional_standard_schemes.begin(), 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) additional_standard_schemes.end(), 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddStandardSchemeHelper); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prevent future modification of the standard schemes list. This is to 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // prevent accidental creation of data races in the program. AddStandardScheme 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // isn't threadsafe so must be called when GURL isn't used on any other 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // thread. This is really easy to mess up, so we say that all calls to 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // AddStandardScheme in Chrome must be inside this function. 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lock_standard_schemes) 505c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::LockStandardSchemes(); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We rely on the above lock to protect this part from being invoked twice. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!additional_savable_schemes.empty()) { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* const* default_schemes = GetSavableSchemesInternal(); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* const* default_schemes_end = NULL; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (default_schemes_end = default_schemes; *default_schemes_end; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++default_schemes_end) {} 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const int default_schemes_count = default_schemes_end - default_schemes; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int schemes = static_cast<int>(additional_savable_schemes.size()); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The array, and the copied schemes won't be freed, but will remain 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reachable. 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char **savable_schemes = new char*[schemes + default_schemes_count + 1]; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memcpy(savable_schemes, 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_schemes, 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_schemes_count * sizeof(default_schemes[0])); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < schemes; ++i) { 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) savable_schemes[default_schemes_count + i] = 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::strdup(additional_savable_schemes[i].c_str()); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) savable_schemes[default_schemes_count + schemes] = 0; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetSavableSchemes(savable_schemes); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 78