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api.go
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api.go
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package user
import (
"context"
"errors"
"fmt"
"log"
"net/http"
"reflect"
"runtime"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
"github.com/tidepool-org/go-common/clients"
"github.com/tidepool-org/go-common/clients/highwater"
"github.com/tidepool-org/go-common/clients/status"
"github.com/tidepool-org/shoreline/user/marketo"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
var (
failedMarketoUploadCount = promauto.NewCounter(prometheus.CounterOpts{
Name: "tidepool_shoreline_failed_marketo_upload_total",
Help: "The total number of failures to connect to marketo due to errors",
})
statusCount = promauto.NewCounterVec(prometheus.CounterOpts{
Name: "tidepool_shoreline_failed_status_count",
Help: "The number of errors for each status code and status reason.",
}, []string{"status_reason", "status_code"})
)
type (
Api struct {
Store Storage
ApiConfig ApiConfig
metrics highwater.Client
perms clients.Gatekeeper
logger *log.Logger
marketoManager marketo.Manager
}
ApiConfig struct {
ServerSecret string `json:"serverSercret"`
TokenConfigs []TokenConfig `json:"tokenConfigs"` // the first token config is used for encoding new tokens
LongTermKey string `json:"longTermKey"`
LongTermDaysDuration int `json:"longTermDaysDuration"`
Salt string `json:"salt"`
VerificationSecret string `json:"verificationSecret"`
ClinicDemoUserID string `json:"clinicDemoUserId"`
Marketo marketo.Config `json:"marketo"`
}
varsHandler func(http.ResponseWriter, *http.Request, map[string]string)
)
const (
//api logging prefix
USER_API_PREFIX = "api/user "
TP_SERVER_NAME = "x-tidepool-server-name"
TP_SERVER_SECRET = "x-tidepool-server-secret"
TP_SESSION_TOKEN = "x-tidepool-session-token"
STATUS_NO_USR_DETAILS = "No user details were given"
STATUS_INVALID_USER_DETAILS = "Invalid user details were given"
STATUS_USER_NOT_FOUND = "User not found"
STATUS_ERR_FINDING_USR = "Error finding user"
STATUS_ERR_CREATING_USR = "Error creating the user"
STATUS_ERR_UPDATING_USR = "Error updating user"
STATUS_USR_ALREADY_EXISTS = "User already exists"
STATUS_ERR_GENERATING_TOKEN = "Error generating the token"
STATUS_ERR_UPDATING_TOKEN = "Error updating token"
STATUS_MISSING_USR_DETAILS = "Not all required details were given"
STATUS_ERROR_UPDATING_PW = "Error updating password"
STATUS_MISSING_ID_PW = "Missing id and/or password"
STATUS_NO_MATCH = "No user matched the given details"
STATUS_NOT_VERIFIED = "The user hasn't verified this account yet"
STATUS_NO_TOKEN_MATCH = "No token matched the given details"
STATUS_PW_WRONG = "Wrong password"
STATUS_ERR_SENDING_EMAIL = "Error sending email"
STATUS_NO_TOKEN = "No x-tidepool-session-token was found"
STATUS_SERVER_TOKEN_REQUIRED = "A server token is required"
STATUS_AUTH_HEADER_REQUIRED = "Authorization header is required"
STATUS_AUTH_HEADER_INVALID = "Authorization header is invalid"
STATUS_GETSTATUS_ERR = "Error checking service status"
STATUS_UNAUTHORIZED = "Not authorized for requested operation"
STATUS_NO_QUERY = "A query must be specified"
STATUS_PARAMETER_UNKNOWN = "Unknown query parameter"
STATUS_ONE_QUERY_PARAM = "Only one query parameter is allowed"
STATUS_INVALID_ROLE = "The role specified is invalid"
)
func InitApi(cfg ApiConfig, logger *log.Logger, store Storage, metrics highwater.Client, manager marketo.Manager) *Api {
return &Api{
Store: store,
ApiConfig: cfg,
metrics: metrics,
logger: logger,
marketoManager: manager,
}
}
func (a *Api) AttachPerms(perms clients.Gatekeeper) {
a.perms = perms
}
func (a *Api) SetHandlers(prefix string, rtr *mux.Router) {
rtr.Handle("/metrics", promhttp.Handler())
rtr.HandleFunc("/status", a.GetStatus).Methods("GET")
rtr.HandleFunc("/users", a.GetUsers).Methods("GET")
rtr.Handle("/user", varsHandler(a.GetUserInfo)).Methods("GET")
rtr.Handle("/user/{userid}", varsHandler(a.GetUserInfo)).Methods("GET")
rtr.HandleFunc("/user", a.CreateUser).Methods("POST")
rtr.Handle("/user", varsHandler(a.UpdateUser)).Methods("PUT")
rtr.Handle("/user/{userid}", varsHandler(a.UpdateUser)).Methods("PUT")
rtr.Handle("/user/{userid}", varsHandler(a.DeleteUser)).Methods("DELETE")
rtr.Handle("/user/{userid}/user", varsHandler(a.CreateCustodialUser)).Methods("POST")
rtr.HandleFunc("/login", a.Login).Methods("POST")
rtr.HandleFunc("/login", a.RefreshSession).Methods("GET")
rtr.Handle("/login/{longtermkey}", varsHandler(a.LongtermLogin)).Methods("POST")
rtr.HandleFunc("/serverlogin", a.ServerLogin).Methods("POST")
rtr.Handle("/token/{token}", varsHandler(a.ServerCheckToken)).Methods("GET")
rtr.HandleFunc("/logout", a.Logout).Methods("POST")
rtr.HandleFunc("/private", a.AnonymousIdHashPair).Methods("GET")
}
func (h varsHandler) ServeHTTP(res http.ResponseWriter, req *http.Request) {
vars := mux.Vars(req)
h(res, req, vars)
}
func (a *Api) GetStatus(res http.ResponseWriter, req *http.Request) {
if err := a.Store.WithContext(req.Context()).Ping(); err != nil {
a.logger.Println(http.StatusInternalServerError, STATUS_GETSTATUS_ERR, err.Error())
res.WriteHeader(http.StatusInternalServerError)
res.Write([]byte(err.Error()))
return
}
res.WriteHeader(http.StatusOK)
fmt.Fprintf(res, "OK")
return
}
// GetUsers returns all users
// status: 200
// status: 400 STATUS_NO_QUERY, STATUS_PARAMETER_UNKNOWN
// status: 401 STATUS_SERVER_TOKEN_REQUIRED
// status: 500 STATUS_ERR_FINDING_USR
func (a *Api) GetUsers(res http.ResponseWriter, req *http.Request) {
sessionToken := req.Header.Get(TP_SESSION_TOKEN)
if tokenData, err := a.authenticateSessionToken(req.Context(), sessionToken); err != nil {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, err)
} else if !tokenData.IsServer {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED)
} else if len(req.URL.Query()) == 0 {
a.sendError(res, http.StatusBadRequest, STATUS_NO_QUERY)
} else if role := req.URL.Query().Get("role"); role != "" && !IsValidRole(role) {
a.sendError(res, http.StatusBadRequest, STATUS_INVALID_ROLE)
} else if userIds := strings.Split(req.URL.Query().Get("id"), ","); len(userIds[0]) > 0 && role != "" {
a.sendError(res, http.StatusBadRequest, STATUS_ONE_QUERY_PARAM)
} else {
var users []*User
switch {
case role != "":
if users, err = a.Store.WithContext(req.Context()).FindUsersByRole(role); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err.Error())
}
case len(userIds[0]) > 0:
if users, err = a.Store.WithContext(req.Context()).FindUsersWithIds(userIds); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err.Error())
}
default:
a.sendError(res, http.StatusBadRequest, STATUS_PARAMETER_UNKNOWN)
}
a.logMetric("getusers", sessionToken, map[string]string{"server": strconv.FormatBool(tokenData.IsServer)})
a.sendUsers(res, users, tokenData.IsServer)
}
}
// CreateUser creates a new user
// status: 201 User
// status: 400 STATUS_MISSING_USR_DETAILS
// status: 409 STATUS_USR_ALREADY_EXISTS
// status: 500 STATUS_ERR_GENERATING_TOKEN
func (a *Api) CreateUser(res http.ResponseWriter, req *http.Request) {
if newUserDetails, err := ParseNewUserDetails(req.Body); err != nil {
a.sendError(res, http.StatusBadRequest, STATUS_INVALID_USER_DETAILS, err)
} else if err := newUserDetails.Validate(); err != nil { // TODO: Fix this duplicate work!
a.sendError(res, http.StatusBadRequest, STATUS_INVALID_USER_DETAILS, err)
} else if newUser, err := NewUser(newUserDetails, a.ApiConfig.Salt); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_CREATING_USR, err)
} else if existingUser, err := a.Store.WithContext(req.Context()).FindUsers(newUser); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_CREATING_USR, err)
} else if len(existingUser) != 0 {
a.sendError(res, http.StatusConflict, STATUS_USR_ALREADY_EXISTS)
} else if err := a.Store.WithContext(req.Context()).UpsertUser(newUser); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_CREATING_USR, err)
} else {
if newUser.IsClinic() {
if a.ApiConfig.ClinicDemoUserID != "" {
if _, err := a.perms.SetPermissions(newUser.Id, a.ApiConfig.ClinicDemoUserID, clients.Permissions{"view": clients.Allowed}); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_CREATING_USR, err)
return
}
}
}
tokenData := TokenData{DurationSecs: extractTokenDuration(req), UserId: newUser.Id, IsServer: false}
tokenConfig := a.ApiConfig.TokenConfigs[0]
if sessionToken, err := CreateSessionTokenAndSave(&tokenData, tokenConfig, a.Store.WithContext(req.Context())); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_GENERATING_TOKEN, err)
} else {
a.logMetricForUser(newUser.Id, "usercreated", sessionToken.ID, map[string]string{"server": "false"})
res.Header().Set(TP_SESSION_TOKEN, sessionToken.ID)
a.sendUserWithStatus(res, newUser, http.StatusCreated, false)
}
}
}
// CreateCustodialUser creates a new custodial user
// status: 201 User
// status: 400 STATUS_MISSING_USR_DETAILS
// status: 401 STATUS_UNAUTHORIZED
// status: 409 STATUS_USR_ALREADY_EXISTS
// status: 500 STATUS_ERR_GENERATING_TOKEN
func (a *Api) CreateCustodialUser(res http.ResponseWriter, req *http.Request, vars map[string]string) {
sessionToken := req.Header.Get(TP_SESSION_TOKEN)
if tokenData, err := a.authenticateSessionToken(req.Context(), sessionToken); err != nil {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, err)
} else if custodianUserID := vars["userid"]; !tokenData.IsServer && custodianUserID != tokenData.UserId {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, "Token user id must match custodian user id or server")
} else if newCustodialUserDetails, err := ParseNewCustodialUserDetails(req.Body); err != nil {
a.sendError(res, http.StatusBadRequest, STATUS_INVALID_USER_DETAILS, err)
} else if newCustodialUser, err := NewCustodialUser(newCustodialUserDetails, a.ApiConfig.Salt); err != nil {
a.sendError(res, http.StatusBadRequest, STATUS_INVALID_USER_DETAILS, err)
} else if existingCustodialUser, err := a.Store.WithContext(req.Context()).FindUsers(newCustodialUser); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_CREATING_USR, err)
} else if len(existingCustodialUser) != 0 {
a.sendError(res, http.StatusConflict, STATUS_USR_ALREADY_EXISTS)
} else if err := a.Store.WithContext(req.Context()).UpsertUser(newCustodialUser); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_CREATING_USR, err)
} else {
permissions := clients.Permissions{"custodian": clients.Allowed, "view": clients.Allowed, "upload": clients.Allowed}
if _, err := a.perms.SetPermissions(custodianUserID, newCustodialUser.Id, permissions); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_CREATING_USR, err)
} else {
a.logMetricForUser(newCustodialUser.Id, "custodialusercreated", sessionToken, map[string]string{"server": strconv.FormatBool(tokenData.IsServer)})
a.sendUserWithStatus(res, newCustodialUser, http.StatusCreated, tokenData.IsServer)
}
}
}
// UpdateUser updates a user
// status: 200
// status: 400 STATUS_INVALID_USER_DETAILS
// status: 409 STATUS_USR_ALREADY_EXISTS
// status: 500 STATUS_ERR_FINDING_USR
// status: 500 STATUS_ERR_UPDATING_USR
func (a *Api) UpdateUser(res http.ResponseWriter, req *http.Request, vars map[string]string) {
a.logger.Printf("UpdateUser %v", req)
sessionToken := req.Header.Get(TP_SESSION_TOKEN)
if tokenData, err := a.authenticateSessionToken(req.Context(), sessionToken); err != nil {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, err)
} else if updateUserDetails, err := ParseUpdateUserDetails(req.Body); err != nil {
a.sendError(res, http.StatusBadRequest, STATUS_INVALID_USER_DETAILS, err)
} else if err := updateUserDetails.Validate(); err != nil {
a.sendError(res, http.StatusBadRequest, STATUS_INVALID_USER_DETAILS, err)
} else if originalUser, err := a.Store.WithContext(req.Context()).FindUser(&User{Id: firstStringNotEmpty(vars["userid"], tokenData.UserId)}); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err)
} else if originalUser == nil {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, "User not found")
} else if permissions, err := a.tokenUserHasRequestedPermissions(tokenData, originalUser.Id, clients.Permissions{"root": clients.Allowed, "custodian": clients.Allowed}); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err)
} else if len(permissions) == 0 {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, "User does not have permissions")
} else if (updateUserDetails.Roles != nil || updateUserDetails.EmailVerified != nil) && !tokenData.IsServer {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, "User does not have permissions")
} else if (updateUserDetails.Password != nil || updateUserDetails.TermsAccepted != nil) && permissions["root"] == nil {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, "User does not have permissions")
} else {
updatedUser := originalUser.DeepClone()
// TODO: This all needs to be refactored so it can be more thoroughly tested
if updateUserDetails.Username != nil || updateUserDetails.Emails != nil {
dupCheck := &User{}
if updateUserDetails.Username != nil {
updatedUser.Username = *updateUserDetails.Username
dupCheck.Username = updatedUser.Username
}
if updateUserDetails.Emails != nil {
updatedUser.Emails = updateUserDetails.Emails
dupCheck.Emails = updatedUser.Emails
}
if results, err := a.Store.WithContext(req.Context()).FindUsers(dupCheck); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err)
return
} else if len(results) > 0 {
a.sendError(res, http.StatusConflict, STATUS_USR_ALREADY_EXISTS)
return
}
}
if updateUserDetails.Password != nil {
if err := updatedUser.HashPassword(*updateUserDetails.Password, a.ApiConfig.Salt); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_UPDATING_USR, err)
return
}
}
if updateUserDetails.Roles != nil {
updatedUser.Roles = updateUserDetails.Roles
}
if updateUserDetails.TermsAccepted != nil {
updatedUser.TermsAccepted = *updateUserDetails.TermsAccepted
}
if updateUserDetails.EmailVerified != nil {
updatedUser.EmailVerified = *updateUserDetails.EmailVerified
}
if err := a.Store.WithContext(req.Context()).UpsertUser(updatedUser); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_UPDATING_USR, err)
} else {
if len(originalUser.PwHash) == 0 && len(updatedUser.PwHash) != 0 {
if err := a.removeUserPermissions(updatedUser.Id, clients.Permissions{"custodian": clients.Allowed}); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_UPDATING_USR, err)
}
}
if updatedUser.EmailVerified && updatedUser.TermsAccepted != "" {
if a.marketoManager != nil && a.marketoManager.IsAvailable() {
if updateUserDetails.EmailVerified != nil || updateUserDetails.TermsAccepted != nil {
a.marketoManager.CreateListMembershipForUser(updatedUser)
} else {
a.marketoManager.UpdateListMembershipForUser(originalUser, updatedUser)
}
} else {
failedMarketoUploadCount.Inc()
}
}
a.logMetricForUser(updatedUser.Id, "userupdated", sessionToken, map[string]string{"server": strconv.FormatBool(tokenData.IsServer)})
a.sendUser(res, updatedUser, tokenData.IsServer)
}
}
}
// GetUserInfo returns user info
// status: 200
// status: 401 STATUS_UNAUTHORIZED
// status: 500 STATUS_ERR_FINDING_USR
func (a *Api) GetUserInfo(res http.ResponseWriter, req *http.Request, vars map[string]string) {
sessionToken := req.Header.Get(TP_SESSION_TOKEN)
if tokenData, err := a.authenticateSessionToken(req.Context(), sessionToken); err != nil {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED, err)
} else {
var user *User
if userID := vars["userid"]; userID != "" {
user = &User{Id: userID, Username: userID, Emails: []string{userID}}
} else {
user = &User{Id: tokenData.UserId}
}
if results, err := a.Store.WithContext(req.Context()).FindUsers(user); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err)
} else if len(results) == 0 {
a.sendError(res, http.StatusNotFound, STATUS_USER_NOT_FOUND)
} else if len(results) != 1 {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, fmt.Sprintf("Found %d users matching %#v", len(results), user))
} else if result := results[0]; result == nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, "Found user is nil")
} else if permissions, err := a.tokenUserHasRequestedPermissions(tokenData, result.Id, clients.Permissions{"root": clients.Allowed, "custodian": clients.Allowed}); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err)
} else if permissions["root"] == nil && permissions["custodian"] == nil {
a.sendError(res, http.StatusUnauthorized, STATUS_UNAUTHORIZED)
} else {
a.logMetricForUser(user.Id, "getuserinfo", sessionToken, map[string]string{"server": strconv.FormatBool(tokenData.IsServer)})
a.sendUser(res, result, tokenData.IsServer)
}
}
}
func (a *Api) DeleteUser(res http.ResponseWriter, req *http.Request, vars map[string]string) {
td, err := a.authenticateSessionToken(req.Context(), req.Header.Get(TP_SESSION_TOKEN))
if err != nil {
a.logger.Println(http.StatusUnauthorized, err.Error())
res.WriteHeader(http.StatusUnauthorized)
return
}
var id string
if td.IsServer == true {
id = vars["userid"]
a.logger.Println("operating as server")
} else {
id = td.UserId
}
pw := getGivenDetail(req)["password"]
if id != "" && pw != "" {
var err error
toDelete := &User{Id: id}
if err = toDelete.HashPassword(pw, a.ApiConfig.Salt); err == nil {
if err = a.Store.WithContext(req.Context()).RemoveUser(toDelete); err == nil {
if td.IsServer {
a.logMetricForUser(id, "deleteuser", req.Header.Get(TP_SESSION_TOKEN), map[string]string{"server": "true"})
} else {
a.logMetric("deleteuser", req.Header.Get(TP_SESSION_TOKEN), map[string]string{"server": "false"})
}
//cleanup if any
if td.IsServer == false {
a.Store.WithContext(req.Context()).RemoveTokenByID(req.Header.Get(TP_SESSION_TOKEN))
}
//all good
res.WriteHeader(http.StatusAccepted)
return
}
}
a.logger.Println(http.StatusInternalServerError, err.Error())
res.WriteHeader(http.StatusInternalServerError)
return
}
a.logger.Println(http.StatusForbidden, STATUS_MISSING_ID_PW)
sendModelAsResWithStatus(res, status.NewStatus(http.StatusForbidden, STATUS_MISSING_ID_PW), http.StatusForbidden)
return
}
// status: 200 TP_SESSION_TOKEN,
// status: 400 STATUS_MISSING_ID_PW
// status: 401 STATUS_NO_MATCH
// status: 403 STATUS_NOT_VERIFIED
// status: 500 STATUS_ERR_FINDING_USR, STATUS_ERR_UPDATING_TOKEN
func (a *Api) Login(res http.ResponseWriter, req *http.Request) {
if user, password := unpackAuth(req.Header.Get("Authorization")); user == nil {
a.sendError(res, http.StatusBadRequest, STATUS_MISSING_ID_PW)
} else if results, err := a.Store.WithContext(req.Context()).FindUsers(user); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_FINDING_USR, err)
} else if len(results) != 1 {
a.sendError(res, http.StatusUnauthorized, STATUS_NO_MATCH, fmt.Sprintf("Found %d users matching %#v", len(results), user))
} else if result := results[0]; result == nil {
a.sendError(res, http.StatusUnauthorized, STATUS_NO_MATCH, "Found user is nil")
} else if result.IsDeleted() {
a.sendError(res, http.StatusUnauthorized, STATUS_NO_MATCH, "User is marked deleted")
} else if !result.PasswordsMatch(password, a.ApiConfig.Salt) {
a.sendError(res, http.StatusUnauthorized, STATUS_NO_MATCH, "Passwords do not match")
} else if !result.IsEmailVerified(a.ApiConfig.VerificationSecret) {
a.sendError(res, http.StatusForbidden, STATUS_NOT_VERIFIED)
} else {
tokenData := &TokenData{DurationSecs: extractTokenDuration(req), UserId: result.Id}
tokenConfig := a.ApiConfig.TokenConfigs[0]
if sessionToken, err := CreateSessionTokenAndSave(tokenData, tokenConfig, a.Store.WithContext(req.Context())); err != nil {
a.sendError(res, http.StatusInternalServerError, STATUS_ERR_UPDATING_TOKEN, err)
} else {
a.logMetric("userlogin", sessionToken.ID, nil)
res.Header().Set(TP_SESSION_TOKEN, sessionToken.ID)
a.sendUser(res, result, false)
}
}
}
// status: 200 TP_SESSION_TOKEN
// status: 400 STATUS_MISSING_ID_PW
// status: 401 STATUS_PW_WRONG
// status: 500 STATUS_ERR_GENERATING_TOKEN
func (a *Api) ServerLogin(res http.ResponseWriter, req *http.Request) {
server, pw := req.Header.Get(TP_SERVER_NAME), req.Header.Get(TP_SERVER_SECRET)
if server == "" || pw == "" {
a.logger.Println(http.StatusBadRequest, STATUS_MISSING_ID_PW)
sendModelAsResWithStatus(res, status.NewStatus(http.StatusBadRequest, STATUS_MISSING_ID_PW), http.StatusBadRequest)
return
}
if pw == a.ApiConfig.ServerSecret {
//generate new token
if sessionToken, err := CreateSessionTokenAndSave(
&TokenData{DurationSecs: extractTokenDuration(req), UserId: server, IsServer: true},
a.ApiConfig.TokenConfigs[0],
a.Store.WithContext(req.Context()),
); err != nil {
a.logger.Println(http.StatusInternalServerError, STATUS_ERR_GENERATING_TOKEN, err.Error())
sendModelAsResWithStatus(res, status.NewStatus(http.StatusInternalServerError, STATUS_ERR_GENERATING_TOKEN), http.StatusInternalServerError)
return
} else {
a.logMetricAsServer("serverlogin", sessionToken.ID, nil)
res.Header().Set(TP_SESSION_TOKEN, sessionToken.ID)
return
}
}
a.logger.Println(http.StatusUnauthorized, STATUS_PW_WRONG)
sendModelAsResWithStatus(res, status.NewStatus(http.StatusUnauthorized, STATUS_PW_WRONG), http.StatusUnauthorized)
return
}
// status: 200 TP_SESSION_TOKEN, TokenData
// status: 401 STATUS_NO_TOKEN
// status: 500 STATUS_ERR_GENERATING_TOKEN
func (a *Api) RefreshSession(res http.ResponseWriter, req *http.Request) {
td, err := a.authenticateSessionToken(req.Context(), req.Header.Get(TP_SESSION_TOKEN))
if err != nil {
a.logger.Println(http.StatusUnauthorized, err.Error())
res.WriteHeader(http.StatusUnauthorized)
return
}
const two_hours_in_secs = 60 * 60 * 2
if td.IsServer == false && td.DurationSecs > two_hours_in_secs {
//long-duration let us know detail and keep it rolling
//a.logger.Println("long-duration token set for ", fmt.Sprint(time.Duration(td.DurationSecs)*time.Second))
}
//refresh
if sessionToken, err := CreateSessionTokenAndSave(
td,
a.ApiConfig.TokenConfigs[0],
a.Store.WithContext(req.Context()),
); err != nil {
a.logger.Println(http.StatusInternalServerError, STATUS_ERR_GENERATING_TOKEN, err.Error())
sendModelAsResWithStatus(res, status.NewStatus(http.StatusInternalServerError, STATUS_ERR_GENERATING_TOKEN), http.StatusInternalServerError)
return
} else {
res.Header().Set(TP_SESSION_TOKEN, sessionToken.ID)
sendModelAsRes(res, td)
return
}
}
// Set the longeterm duration and then process as per Login
// note: see Login for return codes
func (a *Api) LongtermLogin(res http.ResponseWriter, req *http.Request, vars map[string]string) {
const day_as_secs = 1 * 24 * 60 * 60
duration := a.ApiConfig.LongTermDaysDuration * day_as_secs
longtermkey := vars["longtermkey"]
if longtermkey == a.ApiConfig.LongTermKey {
a.logger.Println("token duration is ", fmt.Sprint(time.Duration(duration)*time.Second))
req.Header.Add(TOKEN_DURATION_KEY, strconv.FormatFloat(float64(duration), 'f', -1, 64))
} else {
//tell us there was no match
a.logger.Println("tried to login using the longtermkey but it didn't match the stored key")
}
a.Login(res, req)
// TODO: Does not actually add the TOKEN_DURATION_KEY to the response on success (as the old unittests would imply)
}
// status: 200 TP_SESSION_TOKEN, TokenData
// status: 401 STATUS_NO_TOKEN
// status: 404 STATUS_NO_TOKEN_MATCH
func (a *Api) ServerCheckToken(res http.ResponseWriter, req *http.Request, vars map[string]string) {
if hasServerToken(req.Header.Get(TP_SESSION_TOKEN), a.ApiConfig.TokenConfigs...) {
td, err := a.authenticateSessionToken(req.Context(), vars["token"])
if err != nil {
a.logger.Printf("failed request: %v", req)
a.logger.Println(http.StatusUnauthorized, STATUS_NO_TOKEN, err.Error())
sendModelAsResWithStatus(res, status.NewStatus(http.StatusUnauthorized, STATUS_NO_TOKEN), http.StatusUnauthorized)
return
}
sendModelAsRes(res, td)
return
}
a.logger.Println(http.StatusUnauthorized, STATUS_NO_TOKEN)
a.logger.Printf("header session token: %v", req.Header.Get(TP_SESSION_TOKEN))
sendModelAsResWithStatus(res, status.NewStatus(http.StatusUnauthorized, STATUS_NO_TOKEN), http.StatusUnauthorized)
return
}
// status: 200
func (a *Api) Logout(res http.ResponseWriter, req *http.Request) {
if id := req.Header.Get(TP_SESSION_TOKEN); id != "" {
if err := a.Store.WithContext(req.Context()).RemoveTokenByID(id); err != nil {
//silently fail but still log it
a.logger.Println("Logout was unable to delete token", err.Error())
}
}
//otherwise all good
res.WriteHeader(http.StatusOK)
return
}
// status: 200 AnonIdHashPair
func (a *Api) AnonymousIdHashPair(res http.ResponseWriter, req *http.Request) {
idHashPair := NewAnonIdHashPair([]string{a.ApiConfig.Salt}, req.URL.Query())
sendModelAsRes(res, idHashPair)
return
}
func (a *Api) sendError(res http.ResponseWriter, statusCode int, reason string, extras ...interface{}) {
_, file, line, ok := runtime.Caller(1)
if ok {
segments := strings.Split(file, "/")
file = segments[len(segments)-1]
} else {
file = "???"
line = 0
}
messages := make([]string, len(extras))
for index, extra := range extras {
messages[index] = fmt.Sprintf("%v", extra)
}
statusCount.WithLabelValues(reason, strconv.Itoa(statusCode)).Inc()
a.logger.Printf("%s:%d RESPONSE ERROR: [%d %s] %s", file, line, statusCode, reason, strings.Join(messages, "; "))
sendModelAsResWithStatus(res, status.NewStatus(statusCode, reason), statusCode)
}
func (a *Api) authenticateSessionToken(ctx context.Context, sessionToken string) (*TokenData, error) {
if sessionToken == "" {
return nil, errors.New("Session token is empty")
} else if tokenData, err := UnpackSessionTokenAndVerify(sessionToken, a.ApiConfig.TokenConfigs...); err != nil {
return nil, err
} else if _, err := a.Store.WithContext(ctx).FindTokenByID(sessionToken); err != nil {
return nil, err
} else {
return tokenData, nil
}
}
func (a *Api) tokenUserHasRequestedPermissions(tokenData *TokenData, groupId string, requestedPermissions clients.Permissions) (clients.Permissions, error) {
if tokenData.IsServer {
return requestedPermissions, nil
} else if tokenData.UserId == groupId {
return requestedPermissions, nil
} else if actualPermissions, err := a.perms.UserInGroup(tokenData.UserId, groupId); err != nil {
return clients.Permissions{}, err
} else {
finalPermissions := make(clients.Permissions, 0)
for permission := range requestedPermissions {
if reflect.DeepEqual(requestedPermissions[permission], actualPermissions[permission]) {
finalPermissions[permission] = requestedPermissions[permission]
}
}
return finalPermissions, nil
}
}
func (a *Api) removeUserPermissions(groupId string, removePermissions clients.Permissions) error {
originalUserPermissions, err := a.perms.UsersInGroup(groupId)
if err != nil {
return err
}
for userID, originalPermissions := range originalUserPermissions {
finalPermissions := make(clients.Permissions)
for name, value := range originalPermissions {
if _, ok := removePermissions[name]; !ok {
finalPermissions[name] = value
}
}
if len(finalPermissions) != len(originalPermissions) {
if _, err := a.perms.SetPermissions(userID, groupId, finalPermissions); err != nil {
return err
}
}
}
return nil
}