97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
package resolvers
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import (
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"context"
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"errors"
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"fmt"
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"log"
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"time"
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"github.com/authorizerdev/authorizer/server/cookie"
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"github.com/authorizerdev/authorizer/server/db"
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"github.com/authorizerdev/authorizer/server/graph/model"
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"github.com/authorizerdev/authorizer/server/sessionstore"
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"github.com/authorizerdev/authorizer/server/token"
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"github.com/authorizerdev/authorizer/server/utils"
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)
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// SessionResolver is a resolver for session query
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// TODO allow validating with code and code verifier instead of cookie (PKCE flow)
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func SessionResolver(ctx context.Context, params *model.SessionQueryInput) (*model.AuthResponse, error) {
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var res *model.AuthResponse
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gc, err := utils.GinContextFromContext(ctx)
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if err != nil {
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return res, err
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}
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sessionToken, err := cookie.GetSession(gc)
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if err != nil {
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log.Println("error getting session token:", err)
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return res, errors.New("unauthorized")
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}
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// get session from cookie
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claims, err := token.ValidateBrowserSession(gc, sessionToken)
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if err != nil {
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log.Println("session validation failed:", err)
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return res, errors.New("unauthorized")
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}
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userID := claims.Subject
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user, err := db.Provider.GetUserByID(userID)
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if err != nil {
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return res, err
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}
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// refresh token has "roles" as claim
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claimRoleInterface := claims.Roles
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claimRoles := []string{}
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for _, v := range claimRoleInterface {
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claimRoles = append(claimRoles, v)
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}
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if params != nil && params.Roles != nil && len(params.Roles) > 0 {
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for _, v := range params.Roles {
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if !utils.StringSliceContains(claimRoles, v) {
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return res, fmt.Errorf(`unauthorized`)
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}
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}
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}
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scope := []string{"openid", "email", "profile"}
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if params != nil && params.Scope != nil && len(scope) > 0 {
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scope = params.Scope
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}
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authToken, err := token.CreateAuthToken(gc, user, claimRoles, scope)
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if err != nil {
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return res, err
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}
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// rollover the session for security
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sessionstore.RemoveState(sessionToken)
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sessionstore.SetState(authToken.FingerPrintHash, authToken.FingerPrint+"@"+user.ID)
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sessionstore.SetState(authToken.AccessToken.Token, authToken.FingerPrint+"@"+user.ID)
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cookie.SetSession(gc, authToken.FingerPrintHash)
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expiresIn := authToken.AccessToken.ExpiresAt - time.Now().Unix()
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if expiresIn <= 0 {
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expiresIn = 1
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}
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res = &model.AuthResponse{
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Message: `Session token refreshed`,
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AccessToken: &authToken.AccessToken.Token,
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ExpiresIn: &expiresIn,
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IDToken: &authToken.IDToken.Token,
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User: user.AsAPIUser(),
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}
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if authToken.RefreshToken != nil {
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res.RefreshToken = &authToken.RefreshToken.Token
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sessionstore.SetState(authToken.RefreshToken.Token, authToken.FingerPrint+"@"+user.ID)
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}
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return res, nil
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}
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