net/base/load_flags_list.h

   1 // Copyright (c) 2011 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 // This is the list of load flags and their values. For the enum values,
   6 // include the file "net/base/load_flags.h".
   7 //
   8 // Here we define the values using a macro LOAD_FLAG, so it can be
   9 // expanded differently in some places (for example, to automatically
  10 // map a load flag value to its symbolic name).
  11
  12 LOAD_FLAG(NORMAL, 0)
  13
  14 // This is "normal reload", meaning an if-none-match/if-modified-since query
  15 LOAD_FLAG(VALIDATE_CACHE, 1 << 0)
  16
  17 // This is "shift-reload", meaning a "pragma: no-cache" end-to-end fetch
  18 LOAD_FLAG(BYPASS_CACHE, 1 << 1)
  19
  20 // This is a back/forward style navigation where the cached content should
  21 // be preferred over any protocol specific cache validation.
  22 LOAD_FLAG(PREFERRING_CACHE, 1 << 2)
  23
  24 // This is a navigation that will fail if it cannot serve the requested
  25 // resource from the cache (or some equivalent local store).
  26 LOAD_FLAG(ONLY_FROM_CACHE, 1 << 3)
  27
  28 // This is a navigation that will not use the cache at all.  It does not
  29 // impact the HTTP request headers.
  30 LOAD_FLAG(DISABLE_CACHE, 1 << 4)
  31
  32 // This is a navigation that will not be intercepted by any registered
  33 // URLRequest::Interceptors.
  34 LOAD_FLAG(DISABLE_INTERCEPT, 1 << 5)
  35
  36 // If present, upload progress messages should be provided to initiator.
  37 LOAD_FLAG(ENABLE_UPLOAD_PROGRESS, 1 << 6)
  38
  39 // If present, collect load timing for the request.
  40 LOAD_FLAG(ENABLE_LOAD_TIMING, 1 << 7)
  41
  42 // If present, ignores certificate mismatches with the domain name.
  43 // (The default behavior is to trigger an OnSSLCertificateError callback.)
  44 LOAD_FLAG(IGNORE_CERT_COMMON_NAME_INVALID, 1 << 8)
  45
  46 // If present, ignores certificate expiration dates
  47 // (The default behavior is to trigger an OnSSLCertificateError callback).
  48 LOAD_FLAG(IGNORE_CERT_DATE_INVALID, 1 << 9)
  49
  50 // If present, trusts all certificate authorities
  51 // (The default behavior is to trigger an OnSSLCertificateError callback).
  52 LOAD_FLAG(IGNORE_CERT_AUTHORITY_INVALID, 1 << 10)
  53
  54 // If present, causes certificate revocation checks to be skipped on secure
  55 // connections.
  56 LOAD_FLAG(DISABLE_CERT_REVOCATION_CHECKING, 1 << 11)
  57
  58 // If present, ignores wrong key usage of the certificate
  59 // (The default behavior is to trigger an OnSSLCertificateError callback).
  60 LOAD_FLAG(IGNORE_CERT_WRONG_USAGE, 1 << 12)
  61
  62 // This load will not make any changes to cookies, including storing new
  63 // cookies or updating existing ones.
  64 LOAD_FLAG(DO_NOT_SAVE_COOKIES, 1 << 13)
  65
  66 // Do not resolve proxies. This override is used when downloading PAC files
  67 // to avoid having a circular dependency.
  68 LOAD_FLAG(BYPASS_PROXY, 1 << 14)
  69
  70 // Indicate this request is for a download, as opposed to viewing.
  71 LOAD_FLAG(IS_DOWNLOAD, 1 << 15)
  72
  73 // Requires EV certificate verification.
  74 LOAD_FLAG(VERIFY_EV_CERT, 1 << 16)
  75
  76 // This load will not send any cookies.
  77 LOAD_FLAG(DO_NOT_SEND_COOKIES, 1 << 17)
  78
  79 // This load will not send authentication data (user name/password)
  80 // to the server (as opposed to the proxy).
  81 LOAD_FLAG(DO_NOT_SEND_AUTH_DATA, 1 << 18)
  82
  83 // This should only be used for testing (set by HttpNetworkTransaction).
  84 LOAD_FLAG(IGNORE_ALL_CERT_ERRORS, 1 << 19)
  85
  86 // Indicate that this is a top level frame, so that we don't assume it is a
  87 // subresource and speculatively pre-connect or pre-resolve when a referring
  88 // page is loaded.
  89 LOAD_FLAG(MAIN_FRAME, 1 << 20)
  90
  91 // Indicate that this is a sub frame, and hence it might have subresources that
  92 // should be speculatively resolved, or even speculatively preconnected.
  93 LOAD_FLAG(SUB_FRAME, 1 << 21)
  94
  95 // If present, intercept actual request/response headers from network stack
  96 // and report them to renderer. This includes cookies, so the flag is only
  97 // respected if renderer has CanReadRawCookies capability in the security
  98 // policy.
  99 LOAD_FLAG(REPORT_RAW_HEADERS, 1 << 22)
 100
 101 // Indicates that this load was motivated by the rel=prefetch feature,
 102 // and is (in theory) not intended for the current frame.
 103 LOAD_FLAG(PREFETCH, 1 << 23)
 104
 105 // Indicates that this is a load that ignores limits and should complete
 106 // immediately.
 107 LOAD_FLAG(IGNORE_LIMITS, 1 << 24)
 108
 109 // Suppress login prompts for this request. Cached credentials or
 110 // default credentials may still be used for authentication.
 111 LOAD_FLAG(DO_NOT_PROMPT_FOR_LOGIN, 1 << 25)
 112
 113 // Indicates that the operation is somewhat likely to be due to an
 114 // explicit user action. This can be used as a hint to treat the
 115 // request with higher priority.
 116 LOAD_FLAG(MAYBE_USER_GESTURE, 1 << 26)