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65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package cas
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import (
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"crypto/rand"
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"encoding/xml"
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"strings"
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"time"
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)
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// Represents the XML CAS Single Log Out Request data
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type logoutRequest struct {
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XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:protocol LogoutRequest"`
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Version string `xml:"Version,attr"`
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IssueInstant time.Time `xml:"-"`
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RawIssueInstant string `xml:"IssueInstant,attr"`
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ID string `xml:"ID,attr"`
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NameID string `xml:"urn:oasis:names:tc:SAML:2.0:assertion NameID"`
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SessionIndex string `xml:"SessionIndex"`
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}
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func parseLogoutRequest(data []byte) (*logoutRequest, error) {
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l := &logoutRequest{}
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if err := xml.Unmarshal(data, &l); err != nil {
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return nil, err
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}
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t, err := time.Parse(time.RFC1123Z, l.RawIssueInstant)
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if err != nil {
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return nil, err
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}
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l.IssueInstant = t
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l.NameID = strings.TrimSpace(l.NameID)
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l.SessionIndex = strings.TrimSpace(l.SessionIndex)
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return l, nil
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}
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func newLogoutRequestId() string {
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const alphabet = "abcdef0123456789"
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// generate 64 character string
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bytes := make([]byte, 64)
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rand.Read(bytes)
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for k, v := range bytes {
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bytes[k] = alphabet[v%byte(len(alphabet))]
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}
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return string(bytes)
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}
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func xmlLogoutRequest(ticket string) ([]byte, error) {
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l := &logoutRequest{
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Version: "2.0",
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IssueInstant: time.Now().UTC(),
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ID: newLogoutRequestId(),
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NameID: "@NOT_USED@",
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SessionIndex: ticket,
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}
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l.RawIssueInstant = l.IssueInstant.Format(time.RFC1123Z)
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return xml.MarshalIndent(l, "", " ")
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}
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