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The `If-Match` and `If-None-Match` conditional headers can have either a wildcard or a (quoted) ETag as value. However, the ETag _could_ be a literal `*`, so care must be taken to allow these cases to be distinguished. The values of these headers have to be handled by the backend, so export a type that facilitates working with these values.
54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package webdav
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import (
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"encoding/xml"
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"github.com/emersion/go-webdav/internal"
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)
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var (
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principalName = xml.Name{"DAV:", "principal"}
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principalAlternateURISetName = xml.Name{"DAV:", "alternate-URI-set"}
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principalURLName = xml.Name{"DAV:", "principal-URL"}
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groupMembershipName = xml.Name{"DAV:", "group-membership"}
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)
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// https://datatracker.ietf.org/doc/html/rfc3744#section-4.1
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type principalAlternateURISet struct {
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XMLName xml.Name `xml:"DAV: alternate-URI-set"`
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Hrefs []internal.Href `xml:"href"`
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}
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// https://datatracker.ietf.org/doc/html/rfc3744#section-4.2
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type principalURL struct {
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XMLName xml.Name `xml:"DAV: principal-URL"`
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Href internal.Href `xml:"href"`
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}
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// https://datatracker.ietf.org/doc/html/rfc3744#section-4.4
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type groupMembership struct {
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XMLName xml.Name `xml:"DAV: group-membership"`
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Hrefs []internal.Href `xml:"href"`
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}
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// ConditionalMatch represents the value of a conditional header
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// according to RFC 2068 section 14.25 and RFC 2068 section 14.26
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// The (optional) value can either be a wildcard or an ETag.
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type ConditionalMatch string
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func (val ConditionalMatch) IsSet() bool {
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return val != ""
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}
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func (val ConditionalMatch) IsWildcard() bool {
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return val == "*"
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}
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func (val ConditionalMatch) ETag() (string, error) {
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var e internal.ETag
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if err := e.UnmarshalText([]byte(val)); err != nil {
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return "", err
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}
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return string(e), nil
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}
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