105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
package auth
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import (
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"crypto/rand"
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"encoding/base64"
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"fmt"
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"net/http"
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"strings"
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"astraltech.xyz/calendar/v2/caldav"
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"astraltech.xyz/calendar/v2/webserver"
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ics "github.com/arran4/golang-ical"
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"golang.org/x/oauth2"
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)
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var TestTokenStore TokenStore
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func generateState() (string, error) {
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b := make([]byte, 32)
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if _, err := rand.Read(b); err != nil {
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return "", err
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}
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return base64.RawURLEncoding.EncodeToString(b), nil
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}
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func HandlePasswordAuth(authData webserver.PasswordAuthData) bool {
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calDavData := caldav.GetCalDAVData(authData.Username, authData.Password)
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fmt.Printf("Users display name: %s\n", calDavData.DisplayName)
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fmt.Printf("Calandar Count: %d\n", len(calDavData.Calandars))
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for i := range len(calDavData.Calandars) {
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calDavData.Calandars[i] = caldav.GetCalendarData(calDavData.Calandars[i], authData.Username, authData.Password)
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fmt.Printf("Cal %d is named %s\n", i, calDavData.Calandars[i].DisplayName)
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fmt.Printf("\tLink to cal: %s\n", calDavData.Calandars[i].Link)
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fmt.Printf("\tEvent count: %d\n", len(calDavData.Calandars[i].Events))
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for j := range len(calDavData.Calandars[i].Events) {
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cal, err := ics.ParseCalendar(strings.NewReader(calDavData.Calandars[i].Events[j].CalData))
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if err != nil {
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fmt.Print(err.Error())
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}
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events := cal.Events()
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for k := range len(events) {
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name := events[k].GetProperty(ics.ComponentProperty(ics.PropertySummary)).Value
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start, _ := events[k].GetStartAt()
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end, _ := events[k].GetEndAt()
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time := end.Sub(start)
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fmt.Printf("\t\tEvent name: %s\n", name)
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fmt.Printf("\t\t\tEvent start date: %s\n", end.UTC().String())
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fmt.Printf("\t\t\tEvent length date: %s\n", time.String())
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}
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}
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}
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return false
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}
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func HandleOAuth(authData webserver.OAuthAuthData) bool {
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state, err := generateState()
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if err != nil {
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http.Error(*authData.ResponseWriter, "Failed to generate state", http.StatusInternalServerError)
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return false
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}
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verifier := oauth2.GenerateVerifier()
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http.SetCookie(*authData.ResponseWriter, &http.Cookie{
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Name: "oauth_state",
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Value: state,
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Path: "/",
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MaxAge: 300,
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HttpOnly: true,
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SameSite: http.SameSiteLaxMode,
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})
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http.SetCookie(*authData.ResponseWriter, &http.Cookie{
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Name: "pkce_verifier",
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Value: verifier,
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Path: "/",
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HttpOnly: true,
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SameSite: http.SameSiteLaxMode,
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})
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url := OAuthConfigs[0].AuthCodeURL(
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state,
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oauth2.S256ChallengeOption(verifier),
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)
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http.Redirect(*authData.ResponseWriter, authData.Request, url, http.StatusFound)
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return false
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}
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func HandleAuthRequest(authType webserver.AuthStyle, authData webserver.AuthData) bool {
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if authType == webserver.AuthStylePassword {
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passwordAuthData, _ := authData.(webserver.PasswordAuthData)
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return HandlePasswordAuth(passwordAuthData)
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}
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if authType == webserver.AuthStyleOAuth {
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passwordAuthData, _ := authData.(webserver.OAuthAuthData)
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return HandleOAuth(passwordAuthData)
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}
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return false
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}
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