// GetUserInfoHandler returns either the location where the user can log into
// the app, or metadata about the currently authenticated user.
func GetUserInfoHandler(w util.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
u := user.Current(c)
dest := mux.Vars(r)["dest"]
if dest == "" {
dest = "/"
}
if u == nil {
url, err := user.LoginURL(c, dest)
w.WriteJSON(map[string]interface{}{"loginURL": url}, err)
return
}
// Check if the user exists in the database
q := datastore.NewQuery("Users").Limit(1)
q.Filter("GoogleID = ", u.ID)
var results []User
keys, err := q.GetAll(c, &results)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if len(results) == 0 {
newUser := User{
GoogleID: u.ID,
CreatedTime: time.Now(),
Email: u.Email,
}
key := datastore.NewIncompleteKey(c, "Users", nil)
newKey, err := datastore.Put(c, key, &newUser)
if newKey != nil {
newUser.ID = newKey.IntID()
}
url, _ := user.LogoutURL(c, dest)
newUser.LogoutURL = url
w.WriteJSON(newUser, err)
return
}
url, _ := user.LogoutURL(c, dest)
fullUser := results[0]
fullUser.ID = keys[0].IntID()
fullUser.LogoutURL = url
w.WriteJSON(fullUser, nil)
}
func rootHandler(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
u := user.Current(ctx)
if u == nil {
url, _ := user.LoginURL(ctx, "/")
fmt.Fprintf(w, `<a href="%s">Sign in or register</a>`, url)
return
}
fmt.Fprint(w, `<html><h1>Hi! Welcome to Tada</h1>`)
fmt.Fprint(w, "<!-- About to call writeItems -->")
fmt.Fprint(w, `<ol>`)
writeItems(w, r, u)
fmt.Fprint(w, `</ol>`)
fmt.Fprint(w, "<!-- Called writeItems -->")
url, _ := user.LogoutURL(ctx, "/")
fmt.Fprintf(w, `Welcome, %s! (<a href="%s">sign out</a>)`, u, url)
fmt.Fprint(w, `</html>`)
makeNewItemForm(w)
}
// Retrieve User object and return the user's email
// If the user is logged in, return a logout URL so
// the user can logout
func GetUser(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
u := user.Current(c)
localUser := new(User)
if u == nil {
url, _ := user.LoginURL(c, "/")
localUser.Url = url
data, err := json.MarshalIndent(localUser, "", "\t")
if err != nil {
panic(err)
}
w.Write(data)
return
}
url, _ := user.LogoutURL(c, "/")
localUser.Url = url
localUser.Email = u.Email
data, err := json.MarshalIndent(localUser, "", "\t")
if err != nil {
panic(err)
}
w.Write(data)
}
func loginWithGoogle() gin.HandlerFunc {
return func(c *gin.Context) {
ctx := appengine.NewContext(c.Request)
u := user.Current(ctx)
if u == nil {
url, _ := user.LoginURL(ctx, c.Request.URL.String())
c.HTML(302, "login.tmpl", gin.H{
"url": url,
})
c.Abort()
return
}
email := strings.Split(u.Email, "@")
if email[1] == "elo7.com" && len(email) == 2 {
developer := models.Developer{Email: u.Email}
developer.Create(&db)
log.Infof(ctx, developer.Email)
} else {
url, _ := user.LogoutURL(ctx, "/")
c.Redirect(http.StatusTemporaryRedirect, url)
}
c.Next()
}
}
func index(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
// user.Current gives data about what the requester is
// logged in as, or nil if they are not logged in.
u := user.Current(ctx)
var model indexModel
// If they are not nil, they are logged in.
if u != nil {
// So let the template know, and get the logout url.
model.Login = true
logoutURL, err := user.LogoutURL(ctx, "/")
if err != nil {
log.Errorf(ctx, err.Error())
http.Error(res, "Server Error", http.StatusInternalServerError)
return
}
model.LogoutURL = logoutURL
} else {
// Otherwise, get the login url.
loginURL, err := user.LoginURL(ctx, "/")
if err != nil {
log.Errorf(ctx, err.Error())
http.Error(res, "Server Error", http.StatusInternalServerError)
return
}
model.LoginURL = loginURL
}
tpl.ExecuteTemplate(res, "index", model)
}
// If the user is not logged in, then return the login url. Otherwise return a json
// structure containing the user's name and email address, and which team they are on.
func Api1UserProfileHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
data := UserProfileData{}
ctx := appengine.NewContext(r)
u := user.Current(ctx)
if u == nil {
url, _ := user.LoginURL(ctx, "/")
data.LoginUrl = url
datajson, err := json.Marshal(data)
if err != nil {
http.Error(w, "Internal Service Error", http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%s", datajson)
return
}
url, _ := user.LogoutURL(ctx, "/")
data.LogoutUrl = url
data.Email = u.Email
data.IsAdmin = u.Admin
data.IsLoggedIn = true
datajson, err := json.Marshal(data)
if err != nil {
http.Error(w, "Internal Service Error", http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%s", datajson)
}
func admin(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
u := user.Current(ctx)
url, _ := user.LogoutURL(ctx, "/")
res.Header().Set("Content-Type", "text/html")
fmt.Fprintf(res, `Welcome ADMIN, %s! <br>`, u.Email)
fmt.Fprintf(res, `(<a href="%s">sign out</a>)`, url)
}
func logout(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
http.SetCookie(res, &http.Cookie{Name: "logged_in", Value: "", MaxAge: -1})
url, err := user.LogoutURL(ctx, "/")
if err != nil {
http.Error(res, err.Error(), 500)
return
}
http.Redirect(res, req, url, 302)
}
func welcome(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-type", "text/html; charset=utf-8")
ctx := appengine.NewContext(r)
u := user.Current(ctx)
if u == nil {
url, _ := user.LoginURL(ctx, "/")
fmt.Fprintf(w, `<a href="%s">Sign in or register</a>`, url)
return
}
url, _ := user.LogoutURL(ctx, "/")
fmt.Fprintf(w, `Welcome, %s! (<a href="%s">sign out</a>)`, u, url)
}
func index(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
u := user.Current(ctx)
url, _ := user.LogoutURL(ctx, "/")
res.Header().Set("Content-Type", "text/html")
fmt.Fprintf(res, `Welcome, %s! <br>`, u.Email)
fmt.Fprintf(res, `You are admin: %v <br>`, u.Admin)
if u.Admin {
fmt.Fprint(res, `(<a href="/admin">go to admin</a>) <br>`)
}
fmt.Fprintf(res, `(<a href="%s">sign out</a>)`, url)
}
// mainHandler tracks how many times each user has visited this page.
func mainHandler(w http.ResponseWriter, r *http.Request) *appError {
if r.URL.Path != "/" {
http.NotFound(w, r)
return nil
}
ctx := appengine.NewContext(r)
u := user.Current(ctx)
if u == nil {
login, err := user.LoginURL(ctx, r.URL.String())
if err != nil {
return &appError{err, "Error finding login URL", http.StatusInternalServerError}
}
http.Redirect(w, r, login, http.StatusFound)
return nil
}
logoutURL, err := user.LogoutURL(ctx, "/")
if err != nil {
return &appError{err, "Error finding logout URL", http.StatusInternalServerError}
}
// Increment visit count for user.
tbl := client.Open(tableName)
rmw := bigtable.NewReadModifyWrite()
rmw.Increment(familyName, u.Email, 1)
row, err := tbl.ApplyReadModifyWrite(ctx, u.Email, rmw)
if err != nil {
return &appError{err, "Error applying ReadModifyWrite to row: " + u.Email, http.StatusInternalServerError}
}
data := struct {
Username, Logout string
Visits uint64
}{
Username: u.Email,
// Retrieve the most recently edited column.
Visits: binary.BigEndian.Uint64(row[familyName][0].Value),
Logout: logoutURL,
}
// Display hello page.
var buf bytes.Buffer
if err := tmpl.Execute(&buf, data); err != nil {
return &appError{err, "Error writing template", http.StatusInternalServerError}
}
buf.WriteTo(w)
return nil
}
func logOutHandler(w http.ResponseWriter, r *http.Request, s string) {
ctx := appengine.NewContext(r)
url, err := user.LogoutURL(ctx, "/")
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Deleting session cookie
var cookie *http.Cookie
cookie, err = r.Cookie(s)
if err != http.ErrNoCookie {
cookie.MaxAge = -1
http.SetCookie(w, cookie)
}
// CHANGE NECESSARY DB FIELDS OF USER !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
http.Redirect(w, r, url, http.StatusFound)
}
func handleMainPage(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
http.Error(w, "GET requests only", http.StatusMethodNotAllowed)
return
}
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
c := appengine.NewContext(r)
tic := time.Now()
q := datastore.NewQuery("Greeting").Ancestor(guestbookKey(c)).Order("-Date").Limit(10)
var gg []*Greeting
_, err := q.GetAll(c, &gg)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
c.Errorf("GetAll: %v", err)
return
}
c.Infof("Datastore lookup took %s", time.Since(tic).String())
c.Infof("Rendering %d greetings", len(gg))
var email, logout, login string
if u := user.Current(c); u != nil {
logout, _ = user.LogoutURL(c, "/")
email = u.Email
} else {
login, _ = user.LoginURL(c, "/")
}
data := struct {
Greetings []*Greeting
Login, Logout, Email string
}{
Greetings: gg,
Login: login,
Logout: logout,
Email: email,
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if err := tpl.ExecuteTemplate(w, "guestbook.html", data); err != nil {
c.Errorf("%v", err)
}
}
func init() {
r := gin.New()
r.LoadHTMLGlob("templates/*")
r.Use(sessions.Sessions("session_id", store))
r.Static("/assets", "./assets")
r.Use(gin.Recovery())
v1 := r.Group("api/v1")
v1.Use(loginWithGoogle())
{
v1.GET("/systems", controllers.GetSystems)
v1.POST("/systems", controllers.CreateSystem)
v1.GET("/systems/:id", controllers.GetSystem)
v1.PUT("/systems/:id", controllers.UpdateSystem)
v1.DELETE("/systems/:id", controllers.DeleteSystem)
v1.GET("/developers", controllers.UpdatePage)
v1.POST("/developers", controllers.UpdateDeveloper)
v1.GET("/deploys", controllers.GetDeploys)
v1.POST("/deploys", controllers.CreateDeploy)
}
r.Use(loginWithGoogle())
r.Use(updateDevPending())
{
r.GET("/", func(c *gin.Context) {
c.HTML(http.StatusOK, "index.tmpl", gin.H{})
})
}
r.GET("/logout", func(c *gin.Context) {
ctx := appengine.NewContext(c.Request)
url, _ := user.LogoutURL(ctx, "/")
c.Redirect(http.StatusTemporaryRedirect, url)
})
http.Handle("/", r)
/*
Use this for https instead of r.Run()
r.RunTLS(":8080", pathToCertFile, pathToKeyFile)
*/
}
func listHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
return
}
var (
c = appengine.NewContext(r)
d listTemplateData
)
if _, err := memcache.Gob.Get(c, cacheKey, &d); err != nil {
if err == memcache.ErrCacheMiss {
log.Debugf(c, "cache miss")
} else {
log.Errorf(c, "cache get error: %v", err)
}
var fs []File
_, err := datastore.NewQuery("File").Ancestor(rootKey(c)).GetAll(c, &fs)
if err != nil {
log.Errorf(c, "error listing: %v", err)
return
}
d.Stable, d.Unstable = filesToReleases(fs)
if len(d.Stable) > 0 {
d.Featured = filesToFeatured(d.Stable[0].Files)
}
d.LoginURL, _ = user.LoginURL(c, "/dl")
if user.Current(c) != nil {
d.LoginURL, _ = user.LogoutURL(c, "/dl")
}
item := &memcache.Item{Key: cacheKey, Object: &d, Expiration: cacheDuration}
if err := memcache.Gob.Set(c, item); err != nil {
log.Errorf(c, "cache set error: %v", err)
}
}
if err := listTemplate.ExecuteTemplate(w, "root", d); err != nil {
log.Errorf(c, "error executing template: %v", err)
}
}
func (u userImpl) LogoutURL(dest string) (string, error) {
return user.LogoutURL(u.aeCtx, dest)
}
func logoutRedirect(w http.ResponseWriter, r *http.Request) {
url, _ := user.LogoutURL(appengine.NewContext(r), "/")
http.Redirect(w, r, url, http.StatusTemporaryRedirect)
}
func renderPage(id string, u *user.User, c context.Context, w http.ResponseWriter, r *http.Request, edit bool) {
var pageKey *datastore.Key
pID, err := strconv.ParseInt(id, 10, 64)
if err != nil {
// check alias
paKey := model.NewPageAliasKey(c, id)
var pa model.PageAlias
if err := ds.Get(c, paKey, &pa); err != nil {
handleError(c, w, err, http.StatusNotFound)
return
}
pID = pa.PageKey.IntID()
pageKey = pa.PageKey
} else {
pageKey = model.NewPageKey(c, pID)
}
var p model.Page
if err := ds.Get(c, pageKey, &p); err != nil {
handleError(c, w, err, http.StatusNotFound)
return
}
if edit {
if u == nil {
loginURL, _ := user.LoginURL(c, p.URLBase()+common.EDIT_PAGE_EXT)
http.Redirect(w, r, loginURL, http.StatusFound)
return
} else if !u.Admin {
// TODO: prepare error page
http.Redirect(w, r, "/caterpillar/error/invalidUser", http.StatusFound)
return
}
}
leaf := leaves[p.Leaf]
if leaf == nil {
errmsg := fmt.Sprintf("leaf not found:" + p.Leaf)
handleError(c, w, errors.New(errmsg), http.StatusNotFound)
return
}
tparam := struct {
Properties map[string]interface{}
Areas map[string]interface{}
User *user.User
Edit bool
PageID int64
ViewURL string
EditURL string
PagesURL string
LogoutURL string
}{
make(map[string]interface{}),
make(map[string]interface{}),
u,
edit,
pID,
"",
"",
"",
"",
}
if u != nil {
tparam.PagesURL = "/caterpillar/static/mng/#/queryPage"
purl := p.URLBase()
tparam.ViewURL = purl + common.VIEW_PAGE_EXT
tparam.EditURL = purl + common.EDIT_PAGE_EXT
logoutURL, err := user.LogoutURL(c, tparam.ViewURL)
if err != nil {
// only log
applog.Warningf(c, "cannot get logoutURL. err:%v", err)
}
tparam.LogoutURL = logoutURL
}
futureProps := make(map[string]<-chan func() (*model.PageProperty, error))
futureAreas := make(map[string]<-chan func() (*model.Area, []model.Block, error))
for _, hole := range leaf.Wormholes {
var pkey *datastore.Key
if hole.Global {
pkey = model.NewGlobalPageKey(c)
} else {
pkey = pageKey
}
switch hole.Type {
case PROPERTY:
propkey := model.NewPagePropertyKey(c, hole.Name, pkey)
ch := getPagePropertyAsync(c, propkey)
futureProps[hole.Name] = ch
case AREA:
ch := getAreaAndBlocksAsync(c, pkey, hole.Name)
futureAreas[hole.Name] = ch
}
}
pageURLs := make(map[string]string)
for _, hole := range leaf.Wormholes {
switch hole.Type {
case PROPERTY:
prop, err := (<-futureProps[hole.Name])()
if err == nil {
tparam.Properties[hole.Name] = prop.Value
} else {
// TODO handle error
applog.Errorf(c, "%s", err)
}
case AREA:
area, blocks, err := (<-futureAreas[hole.Name])()
if err == nil {
areasrc := renderArea(hole.Global, area, blocks, edit)
if !edit {
futurePages := make(map[string]<-chan func() (*model.Page, error))
urls := pageUrlRegex.FindAllStringSubmatch(areasrc, -1)
for _, url := range urls {
purl := url[0]
if _, exists := pageURLs[purl]; exists {
continue
}
if _, exists := futurePages[purl]; exists {
continue
}
pageID, err := strconv.ParseInt(url[1], 10, 64)
if err != nil {
// TODO handle error
applog.Errorf(c, "%s", err)
continue
}
pkey := model.NewPageKey(c, pageID)
futurePages[purl] = getPageAsync(c, pkey)
}
for purl, ch := range futurePages {
page, err := (<-ch)()
if err != nil {
// TODO handle error
applog.Errorf(c, "%s", err)
continue
}
pageURLs[purl] = page.URLBase() + common.VIEW_PAGE_EXT
}
areasrc = pageUrlRegex.ReplaceAllStringFunc(areasrc, func(s string) string {
if r, true := pageURLs[s]; true {
return r
}
return s
})
}
tparam.Areas[hole.Name] = template.HTML(areasrc)
} else {
// TODO handle error
applog.Errorf(c, "%s", err)
}
}
}
// TODO: validate reserved page name property
// or put some prefix?
tparam.Properties["name"] = p.Name
// TODO: resolve charset from somewhere
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if err = leaf.Template.Execute(w, tparam); err != nil {
handleError(c, w, err, http.StatusInternalServerError)
return
}
return
}
