79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
package token
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import (
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"sync"
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)
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// Store is used to hold the special ACL tokens used by Consul agents. It is
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// designed to update the tokens on the fly, so the token store itself should be
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// plumbed around and used to get tokens at runtime, don't save the resulting
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// tokens.
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type Store struct {
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// l synchronizes access to the token store.
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l sync.RWMutex
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// userToken is passed along for requests when the user didn't supply a
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// token, and may be left blank to use the anonymous token. This will
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// also be used for agent operations if the agent token isn't set.
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userToken string
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// agentToken is used for internal agent operations like self-registering
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// with the catalog and anti-entropy, but should never be used for
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// user-initiated operations.
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agentToken string
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// agentMasterToken is a special token that's only used locally for
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// access to the /v1/agent utility operations if the servers aren't
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// available.
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agentMasterToken string
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}
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// UpdateUserToken replaces the current user token in the store.
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func (t *Store) UpdateUserToken(token string) {
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t.l.Lock()
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t.userToken = token
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t.l.Unlock()
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}
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// UpdateAgentToken replaces the current agent token in the store.
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func (t *Store) UpdateAgentToken(token string) {
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t.l.Lock()
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t.agentToken = token
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t.l.Unlock()
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}
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// UpdateAgentMasterToken replaces the current agent master token in the store.
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func (t *Store) UpdateAgentMasterToken(token string) {
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t.l.Lock()
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t.agentMasterToken = token
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t.l.Unlock()
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}
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// UserToken returns the best token to use for user operations.
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func (t *Store) UserToken() string {
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t.l.RLock()
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defer t.l.RUnlock()
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return t.userToken
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}
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// AgentToken returns the best token to use for internal agent operations.
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func (t *Store) AgentToken() string {
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t.l.RLock()
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defer t.l.RUnlock()
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if t.agentToken != "" {
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return t.agentToken
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}
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return t.userToken
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}
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// IsAgentMasterToken checks to see if a given token is the agent master token.
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// This will never match an empty token for safety.
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func (t *Store) IsAgentMasterToken(token string) bool {
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t.l.RLock()
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defer t.l.RUnlock()
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return (token != "") && (token == t.agentMasterToken)
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}
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