webkit/common/appcache/appcache_interfaces.cc

   1 // Copyright (c) 2012 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 #include "webkit/common/appcache/appcache_interfaces.h"
   6
   7 #include <set>
   8
   9 #include "base/strings/string_util.h"
  10 #include "net/url_request/url_request.h"
  11 #include "url/gurl.h"
  12
  13 namespace appcache {
  14
  15 const char kHttpScheme[] = "http";
  16 const char kHttpsScheme[] = "https";
  17 const char kDevToolsScheme[] = "chrome-devtools";
  18 const char kHttpGETMethod[] = "GET";
  19 const char kHttpHEADMethod[] = "HEAD";
  20
  21 const char kEnableExecutableHandlers[] = "enable-appcache-executable-handlers";
  22
  23 const base::FilePath::CharType kAppCacheDatabaseName[] =
  24     FILE_PATH_LITERAL("Index");
  25
  26 AppCacheInfo::AppCacheInfo()
  27     : cache_id(kNoCacheId),
  28       group_id(0),
  29       status(UNCACHED),
  30       size(0),
  31       is_complete(false) {
  32 }
  33
  34 AppCacheInfo::~AppCacheInfo() {
  35 }
  36
  37 AppCacheResourceInfo::AppCacheResourceInfo()
  38     : url(),
  39       size(0),
  40       is_master(false),
  41       is_manifest(false),
  42       is_intercept(false),
  43       is_fallback(false),
  44       is_foreign(false),
  45       is_explicit(false),
  46       response_id(kNoResponseId) {
  47 }
  48
  49 AppCacheResourceInfo::~AppCacheResourceInfo() {
  50 }
  51
  52 ErrorDetails::ErrorDetails()
  53     : message(),
  54       reason(UNKNOWN_ERROR),
  55       url(),
  56       status(0),
  57       is_cross_origin(false) {}
  58
  59 ErrorDetails::ErrorDetails(
  60     std::string in_message,
  61     ErrorReason in_reason,
  62     GURL in_url,
  63     int in_status,
  64     bool in_is_cross_origin)
  65     : message(in_message),
  66       reason(in_reason),
  67       url(in_url),
  68       status(in_status),
  69       is_cross_origin(in_is_cross_origin) {}
  70
  71 ErrorDetails::~ErrorDetails() {}
  72
  73 Namespace::Namespace()
  74     : type(FALLBACK_NAMESPACE),
  75       is_pattern(false),
  76       is_executable(false) {
  77 }
  78
  79 Namespace::Namespace(
  80     NamespaceType type, const GURL& url, const GURL& target, bool is_pattern)
  81     : type(type),
  82       namespace_url(url),
  83       target_url(target),
  84       is_pattern(is_pattern),
  85       is_executable(false) {
  86 }
  87
  88 Namespace::Namespace(
  89     NamespaceType type, const GURL& url, const GURL& target,
  90     bool is_pattern, bool is_executable)
  91     : type(type),
  92       namespace_url(url),
  93       target_url(target),
  94       is_pattern(is_pattern),
  95       is_executable(is_executable) {
  96 }
  97
  98 Namespace::~Namespace() {
  99 }
 100
 101 bool Namespace::IsMatch(const GURL& url) const {
 102   if (is_pattern) {
 103     // We have to escape '?' characters since MatchPattern also treats those
 104     // as wildcards which we don't want here, we only do '*'s.
 105     std::string pattern = namespace_url.spec();
 106     if (namespace_url.has_query())
 107       ReplaceSubstringsAfterOffset(&pattern, 0, "?", "\\?");
 108     return MatchPattern(url.spec(), pattern);
 109   }
 110   return StartsWithASCII(url.spec(), namespace_url.spec(), true);
 111 }
 112
 113 bool IsSchemeSupported(const GURL& url) {
 114   bool supported = url.SchemeIs(kHttpScheme) || url.SchemeIs(kHttpsScheme) ||
 115       url.SchemeIs(kDevToolsScheme);
 116
 117 #ifndef NDEBUG
 118   // TODO(michaeln): It would be really nice if this could optionally work for
 119   // file and filesystem urls too to help web developers experiment and test
 120   // their apps, perhaps enabled via a cmd line flag or some other developer
 121   // tool setting.  Unfortunately file scheme net::URLRequests don't produce the
 122   // same signalling (200 response codes, headers) as http URLRequests, so this
 123   // doesn't work just yet.
 124   // supported |= url.SchemeIsFile();
 125 #endif
 126   return supported;
 127 }
 128
 129 bool IsMethodSupported(const std::string& method) {
 130   return (method == kHttpGETMethod) || (method == kHttpHEADMethod);
 131 }
 132
 133 bool IsSchemeAndMethodSupported(const net::URLRequest* request) {
 134   return IsSchemeSupported(request->url()) &&
 135          IsMethodSupported(request->method());
 136 }
 137
 138 }  // namespace appcache