Passport/pkg/services/auth.go

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package services
import (
"fmt"
jsoniter "github.com/json-iterator/go"
"time"
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"git.solsynth.dev/hydrogen/passport/pkg/models"
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"github.com/gofiber/fiber/v2"
"github.com/rs/zerolog/log"
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)
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var authContextCache = make(map[string]models.AuthContext)
func Authenticate(access, refresh string, depth int) (ctx models.AuthContext, perms map[string]any, newAccess, newRefresh string, err error) {
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var claims PayloadClaims
claims, err = DecodeJwt(access)
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if err != nil {
if len(refresh) > 0 && depth < 1 {
// Auto refresh and retry
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newAccess, newRefresh, err = RefreshToken(refresh)
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if err == nil {
return Authenticate(newAccess, newRefresh, depth+1)
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}
}
err = fiber.NewError(fiber.StatusUnauthorized, fmt.Sprintf("invalid auth key: %v", err))
return
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}
newAccess = access
newRefresh = refresh
if ctx, err = GetAuthContext(claims.ID); err == nil {
var heldPerms map[string]any
rawHeldPerms, _ := jsoniter.Marshal(ctx.Account.PermNodes)
_ = jsoniter.Unmarshal(rawHeldPerms, &heldPerms)
perms = FilterPermNodes(heldPerms, ctx.Ticket.Claims)
return
}
err = fiber.NewError(fiber.StatusUnauthorized, err.Error())
return
}
func GetAuthContext(jti string) (models.AuthContext, error) {
var err error
var ctx models.AuthContext
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if val, ok := authContextCache[jti]; ok {
ctx = val
ctx.LastUsedAt = time.Now()
authContextCache[jti] = ctx
log.Debug().Str("jti", jti).Msg("Used an auth context cache")
} else {
ctx, err = CacheAuthContext(jti)
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log.Debug().Str("jti", jti).Msg("Created a new auth context cache")
}
return ctx, err
}
func CacheAuthContext(jti string) (models.AuthContext, error) {
var ctx models.AuthContext
// Query data from primary database
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ticket, err := GetTicketWithToken(jti)
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if err != nil {
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return ctx, fmt.Errorf("invalid auth ticket: %v", err)
} else if err := ticket.IsAvailable(); err != nil {
return ctx, fmt.Errorf("unavailable auth ticket: %v", err)
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}
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user, err := GetAccount(ticket.AccountID)
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if err != nil {
return ctx, fmt.Errorf("invalid account: %v", err)
}
ctx = models.AuthContext{
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Ticket: ticket,
Account: user,
LastUsedAt: time.Now(),
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}
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// Put the data into memory for cache
authContextCache[jti] = ctx
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return ctx, nil
}
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func RecycleAuthContext() {
if len(authContextCache) == 0 {
return
}
affected := 0
for key, val := range authContextCache {
if val.LastUsedAt.Add(60*time.Second).Unix() < time.Now().Unix() {
affected++
delete(authContextCache, key)
}
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}
log.Debug().Int("affected", affected).Msg("Recycled auth context...")
}
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func InvalidAuthCacheWithUser(userId uint) {
for key, val := range authContextCache {
if val.Account.ID == userId {
delete(authContextCache, key)
}
}
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}