| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/common/appcache_interfaces.h" |
| |
| #include <set> |
| |
| #include "base/strings/pattern.h" |
| #include "base/strings/string_util.h" |
| #include "content/public/common/url_constants.h" |
| #include "url/gurl.h" |
| #include "url/url_constants.h" |
| |
| namespace content { |
| |
| const char kHttpGETMethod[] = "GET"; |
| const char kHttpHEADMethod[] = "HEAD"; |
| |
| AppCacheNamespace::AppCacheNamespace() |
| : type(APPCACHE_FALLBACK_NAMESPACE), is_pattern(false) {} |
| |
| AppCacheNamespace::AppCacheNamespace(AppCacheNamespaceType type, |
| const GURL& url, |
| const GURL& target, |
| bool is_pattern) |
| : type(type), |
| namespace_url(url), |
| target_url(target), |
| is_pattern(is_pattern) {} |
| |
| AppCacheNamespace::~AppCacheNamespace() { |
| } |
| |
| bool AppCacheNamespace::IsMatch(const GURL& url) const { |
| if (is_pattern) { |
| // We have to escape '?' characters since MatchPattern also treats those |
| // as wildcards which we don't want here, we only do '*'s. |
| std::string pattern = namespace_url.spec(); |
| if (namespace_url.has_query()) |
| base::ReplaceSubstringsAfterOffset(&pattern, 0, "?", "\\?"); |
| return base::MatchPattern(url.spec(), pattern); |
| } |
| return base::StartsWith(url.spec(), namespace_url.spec(), |
| base::CompareCase::SENSITIVE); |
| } |
| |
| bool IsSchemeSupportedForAppCache(const GURL& url) { |
| bool supported = url.SchemeIs(url::kHttpScheme) || |
| url.SchemeIs(url::kHttpsScheme) || |
| url.SchemeIs(kChromeDevToolsScheme); |
| |
| #ifndef NDEBUG |
| // TODO(michaeln): It would be really nice if this could optionally work for |
| // file and filesystem urls too to help web developers experiment and test |
| // their apps, perhaps enabled via a cmd line flag or some other developer |
| // tool setting. Unfortunately file scheme net::URLRequests don't produce the |
| // same signalling (200 response codes, headers) as http URLRequests, so this |
| // doesn't work just yet. |
| // supported |= url.SchemeIsFile(); |
| #endif |
| return supported; |
| } |
| |
| bool IsMethodSupportedForAppCache(const std::string& method) { |
| return (method == kHttpGETMethod) || (method == kHttpHEADMethod); |
| } |
| |
| } // namespace content |