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98263a7de6
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
package oauth2
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import (
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"crypto/sha256"
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"encoding/base64"
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"strings"
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)
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// ResponseType the type of authorization request
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type ResponseType string
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// define the type of authorization request
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const (
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Code ResponseType = "code"
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Token ResponseType = "token"
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)
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func (rt ResponseType) String() string {
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return string(rt)
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}
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// GrantType authorization model
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type GrantType string
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// define authorization model
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const (
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AuthorizationCode GrantType = "authorization_code"
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PasswordCredentials GrantType = "password"
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ClientCredentials GrantType = "client_credentials"
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Refreshing GrantType = "refresh_token"
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Implicit GrantType = "__implicit"
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)
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func (gt GrantType) String() string {
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if gt == AuthorizationCode ||
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gt == PasswordCredentials ||
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gt == ClientCredentials ||
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gt == Refreshing {
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return string(gt)
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}
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return ""
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}
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// CodeChallengeMethod PCKE method
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type CodeChallengeMethod string
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const (
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// CodeChallengePlain PCKE Method
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CodeChallengePlain CodeChallengeMethod = "plain"
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// CodeChallengeS256 PCKE Method
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CodeChallengeS256 CodeChallengeMethod = "S256"
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)
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func (ccm CodeChallengeMethod) String() string {
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if ccm == CodeChallengePlain ||
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ccm == CodeChallengeS256 {
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return string(ccm)
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}
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return ""
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}
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// Validate code challenge
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func (ccm CodeChallengeMethod) Validate(cc, ver string) bool {
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switch ccm {
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case CodeChallengePlain:
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return cc == ver
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case CodeChallengeS256:
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s256 := sha256.Sum256([]byte(ver))
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// trim padding
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a := strings.TrimRight(base64.URLEncoding.EncodeToString(s256[:]), "=")
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b := strings.TrimRight(cc, "=")
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return a == b
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default:
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return false
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}
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}
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