コード例 #1
0
ファイル: page.go プロジェクト: realglobe-Inc/edo-auth
// 認可コードを使って、ID プロバイダからアクセストークンを取得する。
func (this *environment) getAccessToken(req *callbackRequest, idp idpdb.Element) (*token.Element, *idToken, error) {
	keys, err := this.keyDb.Get()
	if err != nil {
		return nil, nil, erro.Wrap(err)
	}

	queries := url.Values{}
	// grant_type
	queries.Set(tagGrant_type, tagAuthorization_code)
	// code
	queries.Set(tagCode, req.code())
	// redirect_uri
	queries.Set(tagRedirect_uri, this.sess.RedirectUri())
	// client_id
	queries.Set(tagClient_id, this.sess.Ta())
	// client_assertion_type
	queries.Set(tagClient_assertion_type, cliAssTypeJwt_bearer)
	// client_assertion
	ass := jwt.New()
	now := time.Now()
	ass.SetHeader(tagAlg, this.sigAlg)
	ass.SetClaim(tagIss, this.sess.Ta())
	ass.SetClaim(tagSub, this.sess.Ta())
	ass.SetClaim(tagAud, idp.TokenUri())
	ass.SetClaim(tagJti, this.idGen.String(this.jtiLen))
	ass.SetClaim(tagExp, now.Add(this.jtiExpIn).Unix())
	ass.SetClaim(tagIat, now.Unix())
	if err := ass.Sign(keys); err != nil {
		return nil, nil, erro.Wrap(err)
	}
	buff, err := ass.Encode()
	if err != nil {
		return nil, nil, erro.Wrap(err)
	}
	queries.Set(tagClient_assertion, string(buff))

	tokReq, err := http.NewRequest("POST", idp.TokenUri(), strings.NewReader(queries.Encode()))
	if err != nil {
		return nil, nil, erro.Wrap(err)
	}
	tokReq.Header.Set(tagContent_type, contTypeForm)

	server.LogRequest(level.DEBUG, tokReq, this.debug, this.logPref)
	resp, err := http.DefaultClient.Do(tokReq)
	if err != nil {
		return nil, nil, erro.Wrap(err)
	}
	defer resp.Body.Close()
	server.LogResponse(level.DEBUG, resp, this.debug, this.logPref)
	log.Info(this.logPref, "Got token response from "+idp.Id())

	tokResp, err := parseTokenResponse(resp)
	if err != nil {
		return nil, nil, erro.Wrap(server.NewError(http.StatusForbidden, "cannot get access token", nil))
	}
	tok := token.New(tokResp.token(), this.idGen.String(this.tokTagLen), tokResp.expires(), idp.Id(), tokResp.scope())
	log.Info(this.logPref, "Got access token "+logutil.Mosaic(tok.Id()))

	if err := this.tokDb.Save(tok, time.Now().Add(this.tokDbExpIn)); err != nil {
		return nil, nil, erro.Wrap(err)
	}
	log.Info(this.logPref, "Saved access token "+logutil.Mosaic(tok.Id()))

	idTok, err := parseIdToken(tokResp.idToken())
	if err != nil {
		return nil, nil, erro.Wrap(server.NewError(http.StatusForbidden, erro.Unwrap(err).Error(), err))
	} else if idTok.nonce() != this.sess.Nonce() {
		return nil, nil, erro.Wrap(server.NewError(http.StatusForbidden, "invalid nonce", nil))
	} else if err := idTok.verify(idp.Keys()); err != nil {
		return nil, nil, erro.Wrap(server.NewError(http.StatusForbidden, erro.Unwrap(err).Error(), err))
	} else if idTok.tokenHash() != nil {
		if err := idTok.verifyTokenHash(tok.Id()); err != nil {
			return nil, nil, erro.Wrap(server.NewError(http.StatusForbidden, erro.Unwrap(err).Error(), err))
		}
	}
	log.Info(this.logPref, "ID token is OK")

	return tok, idTok, nil
}
コード例 #2
0
ファイル: handler.go プロジェクト: realglobe-Inc/edo-auth
func (this *environment) serve(w http.ResponseWriter, r *http.Request) error {
	req, err := parseRequest(r)
	if err != nil {
		return erro.Wrap(idperr.New(idperr.Invalid_request, erro.Unwrap(err).Error(), http.StatusBadRequest, err))
	}

	var acntTag string
	tags := map[string]bool{}
	var refHash string
	type idpUnit struct {
		idp    idpdb.Element
		codTok *codeToken
	}
	units := []*idpUnit{}
	for _, rawCodTok := range req.codeTokens() {
		codTok, err := parseCodeToken(rawCodTok)
		if err != nil {
			return erro.Wrap(idperr.New(idperr.Invalid_request, erro.Unwrap(err).Error(), http.StatusBadRequest, err))
		} else if !codTok.audience()[this.selfId] {
			return erro.Wrap(idperr.New(idperr.Invalid_request, "invalid audience", http.StatusBadRequest, nil))
		} else if codTok.referralHash() == "" && len(req.codeTokens()) > 1 {
			return erro.Wrap(idperr.New(idperr.Invalid_request, "no referral hash", http.StatusBadRequest, nil))
		} else if codTok.accountTag() != "" {
			if acntTag != "" {
				return erro.Wrap(idperr.New(idperr.Invalid_request, "two main token", http.StatusBadRequest, nil))
			}
			acntTag = codTok.accountTag()
			log.Debug(this.logPref, "Main account tag is "+acntTag)
			if codTok.fromTa() == "" {
				return erro.Wrap(idperr.New(idperr.Invalid_request, "no from-TA in main token", http.StatusBadRequest, nil))
			}
			log.Debug(this.logPref, "From-TA is "+codTok.fromTa())
		} else if len(codTok.accountTags()) == 0 {
			return erro.Wrap(idperr.New(idperr.Invalid_request, "no account tags in sub token", http.StatusBadRequest, nil))
		}

		for tag := range codTok.accountTags() {
			if tags[tag] {
				return erro.Wrap(idperr.New(idperr.Invalid_request, "tag "+tag+" overlaps", http.StatusBadRequest, nil))
			}
			tags[tag] = true
			log.Debug(this.logPref, "Account tag is "+tag)
		}

		if codTok.referralHash() != "" {
			if refHash == "" {
				refHash = codTok.referralHash()
			} else if codTok.referralHash() != refHash {
				return erro.Wrap(idperr.New(idperr.Invalid_request, "invalid referral hash", http.StatusBadRequest, nil))
			}
		}

		var idp idpdb.Element
		if idp, err = this.idpDb.Get(codTok.idProvider()); err != nil {
			return erro.Wrap(err)
		} else if idp == nil {
			return erro.Wrap(idperr.New(idperr.Invalid_request, "ID provider "+codTok.idProvider()+" is not exist", http.StatusBadRequest, nil))
		}

		log.Debug(this.logPref, "ID provider "+idp.Id()+" is exist")

		if err := codTok.verify(idp.Keys()); err != nil {
			return erro.Wrap(idperr.New(idperr.Invalid_request, erro.Unwrap(err).Error(), http.StatusBadRequest, err))
		}

		log.Debug(this.logPref, "Verified cooperation code")

		units = append(units, &idpUnit{idp, codTok})
	}
	if acntTag == "" {
		return erro.Wrap(idperr.New(idperr.Invalid_request, "no main account tag", http.StatusBadRequest, nil))
	}

	log.Debug(this.logPref, "Cooperation codes are OK")

	var tok *token.Element
	var mainAttrs map[string]interface{}
	tagToAttrs := map[string]map[string]interface{}{}
	var frTa string
	for _, unit := range units {
		var tToA map[string]map[string]interface{}
		var fT string
		if unit.codTok.accountTag() != "" {
			fT, tok, tToA, err = this.getInfoFromMainIdProvider(unit.idp, unit.codTok)
			if err != nil {
				return erro.Wrap(err)
			}
			log.Debug(this.logPref, "Got account info from main ID provider "+unit.idp.Id())
		} else {
			fT, tToA, err = this.getInfoFromSubIdProvider(unit.idp, unit.codTok)
			if err != nil {
				return erro.Wrap(err)
			}
			log.Debug(this.logPref, "Got account info from sub ID provider "+unit.idp.Id())
		}
		for tag, attrs := range tToA {
			if tag == acntTag {
				attrs[tagIss] = unit.idp.Id()
				attrs[tagAt_tag] = tok.Tag()
				attrs[tagAt_exp] = tok.Expires().Unix()
				mainAttrs = attrs
			} else {
				attrs[tagIss] = unit.idp.Id()
				tagToAttrs[tag] = attrs
			}
		}
		if frTa == "" {
			frTa = fT
		} else if frTa != fT {
			return erro.Wrap(idperr.New(idperr.Invalid_request, "two from-TA ID", http.StatusBadRequest, nil))
		}
	}

	log.Debug(this.logPref, "Got all account info")

	jt := jwt.New()
	jt.SetHeader(tagAlg, tagNone)
	for k, v := range mainAttrs {
		jt.SetClaim(k, v)
	}
	mainInfo, err := jt.Encode()
	if err != nil {
		return erro.Wrap(err)
	}

	var relInfo []byte
	sessFlag := true
	if len(tagToAttrs) > 0 {
		jt = jwt.New()
		jt.SetHeader(tagAlg, tagNone)
		for acntTag, attrs := range tagToAttrs {
			jt.SetClaim(acntTag, attrs)
			if sessFlag {
				for k := range attrs {
					if !sessionEnable(k) {
						sessFlag = false
					}
				}
			}
		}
		relInfo, err = jt.Encode()
		if err != nil {
			return erro.Wrap(err)
		}
	}

	w.Header().Set(tagX_auth_user, string(mainInfo))
	w.Header().Set(tagX_auth_user_tag, acntTag)
	w.Header().Set(tagX_auth_from_id, frTa)
	if relInfo != nil {
		w.Header().Set(tagX_auth_users, string(relInfo))
	}
	if sessFlag {
		sessId := this.idGen.String(this.sessLen)
		http.SetCookie(w, this.handler.newCookie(sessId, tok.Expires()))
		log.Debug(this.logPref, "Report session "+logutil.Mosaic(sessId))
	}
	return nil
}
コード例 #3
0
ファイル: handler.go プロジェクト: realglobe-Inc/edo-auth
func (this *environment) getInfo(isMain bool, idp idpdb.Element, codTok *codeToken) (frTa string, tok *token.Element, tagToAttrs map[string]map[string]interface{}, err error) {
	params := map[string]interface{}{}

	// grant_type
	params[tagGrant_type] = tagCooperation_code

	// code
	params[tagCode] = codTok.code()

	// claims
	if isMain {
		// TODO 受け取り方を考えないと。
	}

	// user_claims
	// TODO 受け取り方を考えないと。

	// client_assertion_type
	params[tagClient_assertion_type] = cliAssTypeJwt_bearer

	// client_assertion
	keys, err := this.keyDb.Get()
	if err != nil {
		return "", nil, nil, erro.Wrap(err)
	}
	ass, err := makeAssertion(this.handler, keys, idp.CoopToUri())
	if err != nil {
		return "", nil, nil, erro.Wrap(err)
	}
	params[tagClient_assertion] = string(ass)

	data, err := json.Marshal(params)
	if err != nil {
		return "", nil, nil, erro.Wrap(err)
	}

	r, err := http.NewRequest("POST", idp.CoopToUri(), bytes.NewReader(data))
	r.Header.Set(tagContent_type, contTypeJson)
	log.Debug(this.logPref, "Made main cooperation-to request")

	server.LogRequest(level.DEBUG, r, this.debug, this.logPref)
	resp, err := this.conn.Do(r)
	if err != nil {
		return "", nil, nil, erro.Wrap(err)
	}
	defer resp.Body.Close()
	server.LogResponse(level.DEBUG, resp, this.debug, this.logPref)

	if resp.StatusCode != http.StatusOK {
		var buff struct {
			Error             string
			Error_description string
		}
		if err := json.NewDecoder(resp.Body).Decode(&buff); err != nil {
			return "", nil, nil, erro.Wrap(err)
		}
		return "", nil, nil, erro.Wrap(idperr.New(buff.Error, buff.Error_description, resp.StatusCode, nil))
	}
	coopResp, err := parseCoopResponse(resp)
	if err != nil {
		return "", nil, nil, erro.Wrap(idperr.New(idperr.Access_denied, erro.Unwrap(err).Error(), http.StatusForbidden, err))
	}

	idsTok, err := parseIdsToken(coopResp.idsToken())
	if err != nil {
		return "", nil, nil, erro.Wrap(idperr.New(idperr.Access_denied, erro.Unwrap(err).Error(), http.StatusForbidden, err))
	} else if err := idsTok.verify(idp.Keys()); err != nil {
		return "", nil, nil, erro.Wrap(idperr.New(idperr.Access_denied, erro.Unwrap(err).Error(), http.StatusForbidden, err))
	}

	tagToAttrs = map[string]map[string]interface{}{}
	for acntTag := range codTok.accountTags() {
		attrs := idsTok.attributes()[acntTag]
		if attrs == nil {
			return "", nil, nil, erro.Wrap(idperr.New(idperr.Access_denied, "cannot get sub account tagged by "+acntTag, http.StatusForbidden, nil))
		}
		tagToAttrs[acntTag] = attrs
	}

	if isMain {
		attrs := idsTok.attributes()[codTok.accountTag()]
		if attrs == nil {
			return "", nil, nil, erro.Wrap(idperr.New(idperr.Access_denied, "cannot get main account tagged by "+codTok.accountTag(), http.StatusForbidden, nil))
		}
		tagToAttrs[codTok.accountTag()] = attrs

		if coopResp.token() == "" {
			return "", nil, nil, erro.Wrap(idperr.New(idperr.Access_denied, "cannot get token", http.StatusForbidden, nil))
		}
		now := time.Now()
		tok = token.New(coopResp.token(), this.idGen.String(this.tokTagLen), now.Add(coopResp.expiresIn()), idsTok.idProvider(), coopResp.scope())
		log.Info(this.logPref, "Got access token "+logutil.Mosaic(tok.Id()))

		if err := this.tokDb.Save(tok, now.Add(this.tokDbExpIn)); err != nil {
			return "", nil, nil, erro.Wrap(err)
		}
		log.Info(this.logPref, "Saved access token "+logutil.Mosaic(tok.Id()))
	}

	return idsTok.fromTa(), tok, tagToAttrs, nil
}
コード例 #4
0
func (this *environment) authServe(w http.ResponseWriter, r *http.Request) error {
	req, err := parseAuthRequest(r)
	if err != nil {
		return erro.Wrap(server.NewError(http.StatusBadRequest, erro.Unwrap(err).Error(), err))
	}

	log.Debug(this.logPref, "Parsed authentication request")

	authUri := req.authUri()
	queries := authUri.Query()

	// response_type
	var idp string
	respType := map[string]bool{tagCode: true}
	rawAuthUri := authUri.Scheme + "://" + authUri.Host + authUri.Path
	if idps, err := this.idpDb.Search(map[string]string{
		tagAuthorization_endpoint: "^" + rawAuthUri + "$",
	}); err != nil {
		return erro.Wrap(err)
	} else if len(idps) == 1 {
		idp = idps[0].Id()
		log.Debug(this.logPref, "Destination is in ID provider "+idp)
	} else {
		// ID プロバイダ選択サービスか何か。
		respType[tagId_token] = true
		log.Debug(this.logPref, "Destination "+rawAuthUri+" is not ID provider")
	}
	queries.Set(tagResponse_type, request.ValueSetForm(respType))

	// scope
	if scop := request.FormValueSet(queries.Get(tagScope)); !scop[tagOpenid] {
		scop[tagOpenid] = true
		queries.Set(tagScope, request.ValueSetForm(scop))
		log.Debug(this.logPref, `Added scope "`+tagOpenid+`"`)
	}

	// client_id
	ta := queries.Get(tagClient_id)
	if ta == "" {
		ta = this.selfId
		queries.Set(tagClient_id, ta)
		log.Debug(this.logPref, "Act as default TA "+ta)
	} else {
		log.Debug(this.logPref, "Act as TA "+ta)
	}

	// redirect_uri
	rediUri := queries.Get(tagRedirect_uri)
	if rediUri == "" {
		rediUri = this.rediUri
		queries.Set(tagRedirect_uri, rediUri)
		log.Debug(this.logPref, "Use default redirect uri "+rediUri)
	} else {
		log.Debug(this.logPref, "Use redirect uri "+rediUri)
	}

	// state
	stat := this.idGen.String(this.statLen)
	queries.Set(tagState, stat)
	log.Debug(this.logPref, "Use state "+logutil.Mosaic(stat))

	// nonce
	nonc := this.idGen.String(this.noncLen)
	queries.Set(tagNonce, nonc)
	log.Debug(this.logPref, "Use nonce "+logutil.Mosaic(nonc))

	authUri.RawQuery = queries.Encode()

	sess := asession.New(
		this.idGen.String(this.sessLen),
		time.Now().Add(this.sessExpIn),
		req.path(),
		idp,
		ta,
		rediUri,
		stat,
		nonc,
	)
	if err := this.sessDb.Save(sess, sess.Expires().Add(this.sessDbExpIn-this.sessExpIn)); err != nil {
		return erro.Wrap(err)
	}
	log.Info(this.logPref, "Generated user session "+logutil.Mosaic(sess.Id()))

	http.SetCookie(w, this.newCookie(sess.Id(), sess.Expires()))
	w.Header().Add(tagCache_control, tagNo_store)
	w.Header().Add(tagPragma, tagNo_cache)

	uri := authUri.String()
	http.Redirect(w, r, uri, http.StatusFound)
	log.Info(this.logPref, "Redirect to "+uri)
	return nil
}