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							106 lines
						
					
					
						
							3.0 KiB
						
					
					
				
			
		
		
	
	
							106 lines
						
					
					
						
							3.0 KiB
						
					
					
				| // Copyright 2018 The Gitea Authors. All rights reserved.
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| // Use of this source code is governed by a MIT-style
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| // license that can be found in the LICENSE file.
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| 
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| package setting
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| 
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| import (
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| 	"errors"
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| 
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| 	"code.gitea.io/gitea/models"
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| 	"code.gitea.io/gitea/modules/auth"
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| 	"code.gitea.io/gitea/modules/context"
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| 	"code.gitea.io/gitea/modules/log"
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| 	"code.gitea.io/gitea/modules/setting"
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| 
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| 	"github.com/tstranex/u2f"
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| )
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| 
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| // U2FRegister initializes the u2f registration procedure
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| func U2FRegister(ctx *context.Context, form auth.U2FRegistrationForm) {
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| 	if form.Name == "" {
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| 		ctx.Error(409)
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| 		return
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| 	}
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| 	challenge, err := u2f.NewChallenge(setting.U2F.AppID, setting.U2F.TrustedFacets)
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| 	if err != nil {
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| 		ctx.ServerError("NewChallenge", err)
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| 		return
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| 	}
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| 	if err := ctx.Session.Set("u2fChallenge", challenge); err != nil {
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| 		ctx.ServerError("Unable to set session key for u2fChallenge", err)
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| 		return
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| 	}
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| 	regs, err := models.GetU2FRegistrationsByUID(ctx.User.ID)
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| 	if err != nil {
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| 		ctx.ServerError("GetU2FRegistrationsByUID", err)
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| 		return
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| 	}
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| 	for _, reg := range regs {
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| 		if reg.Name == form.Name {
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| 			ctx.Error(409, "Name already taken")
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| 			return
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| 		}
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| 	}
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| 	if err := ctx.Session.Set("u2fName", form.Name); err != nil {
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| 		ctx.ServerError("Unable to set session key for u2fName", err)
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| 		return
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| 	}
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| 	// Here we're just going to try to release the session early
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| 	if err := ctx.Session.Release(); err != nil {
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| 		// we'll tolerate errors here as they *should* get saved elsewhere
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| 		log.Error("Unable to save changes to the session: %v", err)
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| 	}
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| 	ctx.JSON(200, u2f.NewWebRegisterRequest(challenge, regs.ToRegistrations()))
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| }
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| 
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| // U2FRegisterPost receives the response of the security key
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| func U2FRegisterPost(ctx *context.Context, response u2f.RegisterResponse) {
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| 	challSess := ctx.Session.Get("u2fChallenge")
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| 	u2fName := ctx.Session.Get("u2fName")
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| 	if challSess == nil || u2fName == nil {
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| 		ctx.ServerError("U2FRegisterPost", errors.New("not in U2F session"))
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| 		return
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| 	}
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| 	challenge := challSess.(*u2f.Challenge)
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| 	name := u2fName.(string)
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| 	config := &u2f.Config{
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| 		// Chrome 66+ doesn't return the device's attestation
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| 		// certificate by default.
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| 		SkipAttestationVerify: true,
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| 	}
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| 	reg, err := u2f.Register(response, *challenge, config)
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| 	if err != nil {
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| 		ctx.ServerError("u2f.Register", err)
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| 		return
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| 	}
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| 	if _, err = models.CreateRegistration(ctx.User, name, reg); err != nil {
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| 		ctx.ServerError("u2f.Register", err)
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| 		return
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| 	}
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| 	ctx.Status(200)
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| }
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| 
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| // U2FDelete deletes an security key by id
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| func U2FDelete(ctx *context.Context, form auth.U2FDeleteForm) {
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| 	reg, err := models.GetU2FRegistrationByID(form.ID)
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| 	if err != nil {
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| 		if models.IsErrU2FRegistrationNotExist(err) {
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| 			ctx.Status(200)
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| 			return
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| 		}
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| 		ctx.ServerError("GetU2FRegistrationByID", err)
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| 		return
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| 	}
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| 	if reg.UserID != ctx.User.ID {
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| 		ctx.Status(401)
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| 		return
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| 	}
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| 	if err := models.DeleteRegistration(reg); err != nil {
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| 		ctx.ServerError("DeleteRegistration", err)
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| 		return
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| 	}
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| 	ctx.JSON(200, map[string]interface{}{
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| 		"redirect": setting.AppSubURL + "/user/settings/security",
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| 	})
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| }
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| 
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