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 // Indicate that if the request fails at the network level in a way that 29 // indicates the source is unreachable, the request should fail over 30 // to as if LOAD_PREFERRING_CACHE had been set. 31 LOAD_FLAG(FROM_CACHE_IF_OFFLINE, 1 << 4) 32 33 // This is a navigation that will not use the cache at all. It does not 34 // impact the HTTP request headers. 35 LOAD_FLAG(DISABLE_CACHE, 1 << 5) 36 37 // This is a navigation that will not be intercepted by any registered 38 // URLRequest::Interceptors. 39 LOAD_FLAG(DISABLE_INTERCEPT, 1 << 6) 40 41 // If present, upload progress messages should be provided to initiator. 42 LOAD_FLAG(ENABLE_UPLOAD_PROGRESS, 1 << 7) 43 44 // If present, ignores certificate mismatches with the domain name. 45 // (The default behavior is to trigger an OnSSLCertificateError callback.) 46 LOAD_FLAG(IGNORE_CERT_COMMON_NAME_INVALID, 1 << 8) 47 48 // If present, ignores certificate expiration dates 49 // (The default behavior is to trigger an OnSSLCertificateError callback). 50 LOAD_FLAG(IGNORE_CERT_DATE_INVALID, 1 << 9) 51 52 // If present, trusts all certificate authorities 53 // (The default behavior is to trigger an OnSSLCertificateError callback). 54 LOAD_FLAG(IGNORE_CERT_AUTHORITY_INVALID, 1 << 10) 55 56 // If present, causes certificate revocation checks to be skipped on secure 57 // connections. 58 LOAD_FLAG(DISABLE_CERT_REVOCATION_CHECKING, 1 << 11) 59 60 // If present, ignores wrong key usage of the certificate 61 // (The default behavior is to trigger an OnSSLCertificateError callback). 62 LOAD_FLAG(IGNORE_CERT_WRONG_USAGE, 1 << 12) 63 64 // This load will not make any changes to cookies, including storing new 65 // cookies or updating existing ones. 66 LOAD_FLAG(DO_NOT_SAVE_COOKIES, 1 << 13) 67 68 // Do not resolve proxies. This override is used when downloading PAC files 69 // to avoid having a circular dependency. 70 LOAD_FLAG(BYPASS_PROXY, 1 << 14) 71 72 // Indicate this request is for a download, as opposed to viewing. 73 LOAD_FLAG(IS_DOWNLOAD, 1 << 15) 74 75 // Requires EV certificate verification. 76 LOAD_FLAG(VERIFY_EV_CERT, 1 << 16) 77 78 // This load will not send any cookies. 79 LOAD_FLAG(DO_NOT_SEND_COOKIES, 1 << 17) 80 81 // This load will not send authentication data (user name/password) 82 // to the server (as opposed to the proxy). 83 LOAD_FLAG(DO_NOT_SEND_AUTH_DATA, 1 << 18) 84 85 // This should only be used for testing (set by HttpNetworkTransaction). 86 LOAD_FLAG(IGNORE_ALL_CERT_ERRORS, 1 << 19) 87 88 // Indicate that this is a top level frame, so that we don't assume it is a 89 // subresource and speculatively pre-connect or pre-resolve when a referring 90 // page is loaded. 91 LOAD_FLAG(MAIN_FRAME, 1 << 20) 92 93 // Indicate that this is a sub frame, and hence it might have subresources that 94 // should be speculatively resolved, or even speculatively preconnected. 95 LOAD_FLAG(SUB_FRAME, 1 << 21) 96 97 // If present, intercept actual request/response headers from network stack 98 // and report them to renderer. This includes cookies, so the flag is only 99 // respected if renderer has CanReadRawCookies capability in the security 100 // policy. 101 LOAD_FLAG(REPORT_RAW_HEADERS, 1 << 22) 102 103 // Indicates that this load was motivated by the rel=prefetch feature, 104 // and is (in theory) not intended for the current frame. 105 LOAD_FLAG(PREFETCH, 1 << 23) 106 107 // Indicates that this is a load that ignores limits and should complete 108 // immediately. 109 LOAD_FLAG(IGNORE_LIMITS, 1 << 24) 110 111 // Suppress login prompts for this request. Cached credentials or 112 // default credentials may still be used for authentication. 113 LOAD_FLAG(DO_NOT_PROMPT_FOR_LOGIN, 1 << 25) 114 115 // Indicates that the operation is somewhat likely to be due to an 116 // explicit user action. This can be used as a hint to treat the 117 // request with higher priority. 118 LOAD_FLAG(MAYBE_USER_GESTURE, 1 << 26) 119 120 // Indicates that the username:password portion of the URL should not 121 // be honored, but that other forms of authority may be used. 122 LOAD_FLAG(DO_NOT_USE_EMBEDDED_IDENTITY, 1 << 27) 123 124 // Send request directly to the origin if the effective proxy is the data 125 // reduction proxy. 126 // TODO(rcs): Remove this flag as soon as http://crbug.com/339237 is resolved. 127 LOAD_FLAG(BYPASS_DATA_REDUCTION_PROXY, 1 << 28) 128