96 lines
3.1 KiB
Go
96 lines
3.1 KiB
Go
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/**
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* Copyright 2015 Paul Querna
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package cacheobject
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// Repersents a potential Reason to not cache an object.
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//
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// Applications may wish to ignore specific reasons, which will make them non-RFC
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// compliant, but this type gives them specific cases they can choose to ignore,
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// making them compliant in as many cases as they can.
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type Reason int
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const (
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// The request method was POST and an Expiration header was not supplied.
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ReasonRequestMethodPOST Reason = iota
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// The request method was PUT and PUTs are not cachable.
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ReasonRequestMethodPUT
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// The request method was DELETE and DELETEs are not cachable.
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ReasonRequestMethodDELETE
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// The request method was CONNECT and CONNECTs are not cachable.
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ReasonRequestMethodCONNECT
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// The request method was OPTIONS and OPTIONS are not cachable.
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ReasonRequestMethodOPTIONS
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// The request method was TRACE and TRACEs are not cachable.
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ReasonRequestMethodTRACE
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// The request method was not recognized by cachecontrol, and should not be cached.
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ReasonRequestMethodUnkown
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// The request included an Cache-Control: no-store header
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ReasonRequestNoStore
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// The request included an Authorization header without an explicit Public or Expiration time: http://tools.ietf.org/html/rfc7234#section-3.2
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ReasonRequestAuthorizationHeader
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// The response included an Cache-Control: no-store header
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ReasonResponseNoStore
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// The response included an Cache-Control: private header and this is not a Private cache
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ReasonResponsePrivate
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// The response failed to meet at least one of the conditions specified in RFC 7234 section 3: http://tools.ietf.org/html/rfc7234#section-3
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ReasonResponseUncachableByDefault
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)
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func (r Reason) String() string {
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switch r {
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case ReasonRequestMethodPOST:
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return "ReasonRequestMethodPOST"
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case ReasonRequestMethodPUT:
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return "ReasonRequestMethodPUT"
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case ReasonRequestMethodDELETE:
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return "ReasonRequestMethodDELETE"
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case ReasonRequestMethodCONNECT:
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return "ReasonRequestMethodCONNECT"
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case ReasonRequestMethodOPTIONS:
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return "ReasonRequestMethodOPTIONS"
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case ReasonRequestMethodTRACE:
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return "ReasonRequestMethodTRACE"
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case ReasonRequestMethodUnkown:
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return "ReasonRequestMethodUnkown"
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case ReasonRequestNoStore:
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return "ReasonRequestNoStore"
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case ReasonRequestAuthorizationHeader:
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return "ReasonRequestAuthorizationHeader"
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case ReasonResponseNoStore:
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return "ReasonResponseNoStore"
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case ReasonResponsePrivate:
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return "ReasonResponsePrivate"
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case ReasonResponseUncachableByDefault:
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return "ReasonResponseUncachableByDefault"
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}
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panic(r)
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}
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