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357 lines
7.3 KiB
357 lines
7.3 KiB
package Webserver
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import (
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"fmt"
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"log"
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"mime/multipart"
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"net/http"
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"strconv"
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"time"
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"PersonalWebsite/Database"
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"PersonalWebsite/Helper"
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"PersonalWebsite/Variables"
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"github.com/gorilla/mux"
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"github.com/gorilla/sessions"
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)
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func CheckAuth(w http.ResponseWriter, r *http.Request) bool {
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var (
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session *sessions.Session
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lastActiveUnix int64
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lastActive time.Time
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auth bool
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exists bool
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e error
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)
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session, e = Variables.CookieStore.Get(r, Variables.CookieName)
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if e != nil {
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return false
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}
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auth, exists = session.Values["authenticated"].(bool)
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if !(auth && exists) {
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return false
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}
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lastActiveUnix, exists = session.Values["lastActive"].(int64)
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if !exists {
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return false
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}
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lastActive = time.Unix(lastActiveUnix, 0)
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lastActive.Add(12 * time.Hour)
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if time.Now().Before(lastActive) {
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session.Values = make(map[interface{}]interface{})
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session.Values["authenticated"] = false
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session.AddFlash("Login Expired")
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e = session.Save(r, w)
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if e != nil {
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log.Println(e.Error())
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}
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return false
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}
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session.Values["lastLogin"] = time.Now().Unix()
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e = session.Save(r, w)
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if e != nil {
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log.Println(e.Error())
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return false
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}
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return true
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}
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func AdminView(w http.ResponseWriter, r *http.Request) {
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var (
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v = make(map[string]interface{})
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urlParams map[string]string
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page string
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pageInt int
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pageOffset int
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posts []Database.Post
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exists bool
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e error
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)
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if !CheckAuth(w, r) {
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http.Redirect(w, r, "/admin/login", 302)
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return
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}
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switch r.Method {
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case http.MethodGet:
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urlParams = mux.Vars(r)
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page, exists = urlParams["page"]
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if exists {
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pageInt, e = strconv.Atoi(page)
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if e != nil {
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log.Fatal("Url Parameter page cannot be converted to an int")
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}
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} else {
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pageInt = 0
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}
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pageOffset = pageInt * 10
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posts, e = Database.GetPostsList(10, pageOffset)
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v["Posts"] = posts
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ServeTemplate(w, r, "html/admin/admin-index.gohtml", v)
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return
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}
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}
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func AdminLogin(w http.ResponseWriter, r *http.Request) {
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var (
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session *sessions.Session
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v = make(map[string]interface{})
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flashes []interface{}
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username string
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password string
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e error
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)
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if CheckAuth(w, r) {
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http.Redirect(w, r, "/admin", 302)
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return
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}
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session, e = Variables.CookieStore.Get(r, Variables.CookieName)
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if e != nil {
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log.Println("Could not get session cookie")
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http.Error(w, "Error", http.StatusInternalServerError)
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return
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}
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switch r.Method {
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case http.MethodGet:
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flashes = session.Flashes()
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e = session.Save(r, w)
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if e != nil {
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log.Println(e.Error())
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return
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}
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if len(flashes) > 0 {
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v["FlashMsg"] = flashes[0].(string)
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}
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ServeTemplate(w, r, "html/admin/admin-login.gohtml", v)
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return
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case http.MethodPost:
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e = r.ParseForm()
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if e != nil {
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log.Println(e.Error())
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http.Redirect(w, r, "/login", 302)
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}
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username = r.FormValue("username")
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password = r.FormValue("password")
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if username != Variables.AdminPassword && password != Variables.AdminPassword {
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session.AddFlash("Invalid Username or Password")
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e = session.Save(r, w)
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if e != nil {
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log.Println(e.Error())
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}
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http.Redirect(w, r, "/admin/login", 302)
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return
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}
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session.Values["authenticated"] = true
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session.Values["lastActive"] = time.Now().Unix()
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session.Save(r, w)
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http.Redirect(w, r, "/admin", 302)
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return
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}
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}
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func AdminNewPost(w http.ResponseWriter, r *http.Request) {
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var (
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session *sessions.Session
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v = make(map[string]interface{})
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flashes []interface{}
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title, subject, intro, body string
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bodyPath string
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mainFilePath string = ""
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fileUpload []*multipart.FileHeader
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//otherImgs string
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e error
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)
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if !CheckAuth(w, r) {
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http.Redirect(w, r, "/admin/login", 302)
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return
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}
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session, e = Variables.CookieStore.Get(r, Variables.CookieName)
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if e != nil {
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log.Println("Could not get session cookie")
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http.Error(w, "Error", http.StatusInternalServerError)
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return
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}
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switch r.Method {
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case http.MethodGet:
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flashes = session.Flashes()
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e = session.Save(r, w)
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if e != nil {
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log.Println(e.Error())
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return
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}
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if len(flashes) > 0 {
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v["FlashMsg"] = flashes[0].(string)
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}
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ServeTemplate(w, r, "html/admin/admin-new-post.gohtml", v)
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return
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case http.MethodPost:
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title = r.FormValue("title")
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subject = r.FormValue("subject")
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intro = r.FormValue("intro")
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body = r.FormValue("body")
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bodyPath, e = Helper.WriteBody(title, body)
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if e != nil {
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log.Fatal(e)
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}
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r.ParseMultipartForm(32 << 20) // 32MB is the default used by FormFile
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fileUpload = r.MultipartForm.File["img"]
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Helper.UploadFiles(fileUpload)
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if len(fileUpload) == 1 {
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mainFilePath = fileUpload[0].Filename
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}
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fileUpload = r.MultipartForm.File["files"]
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Helper.UploadFiles(fileUpload)
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Database.CreatePost(
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Database.Post{
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Title: title,
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Subject: subject,
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Intro: intro,
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HtmlPath: bodyPath,
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MainImage: mainFilePath,
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},
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)
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http.Redirect(w, r, "/admin", 302)
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return
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}
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}
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func AdminEditPost(w http.ResponseWriter, r *http.Request) {
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var (
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session *sessions.Session
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v = make(map[string]interface{})
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urlParams map[string]string
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flashes []interface{}
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title, subject, intro, body string
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bodyPath string
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post Database.Post
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fileUpload []*multipart.FileHeader
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e error
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)
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if !CheckAuth(w, r) {
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http.Redirect(w, r, "/admin/login", 302)
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return
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}
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session, e = Variables.CookieStore.Get(r, Variables.CookieName)
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if e != nil {
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log.Println("Could not get session cookie")
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http.Error(w, "Error", http.StatusInternalServerError)
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return
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}
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switch r.Method {
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case http.MethodGet:
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flashes = session.Flashes()
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e = session.Save(r, w)
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if e != nil {
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log.Println(e.Error())
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return
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}
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if len(flashes) > 0 {
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v["FlashMsg"] = flashes[0].(string)
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}
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urlParams = mux.Vars(r)
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post, e = Database.GetPostById(urlParams["id"])
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if e != nil {
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log.Fatal("Cannot get Post by id")
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}
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post.Body, e = Helper.GetFileContents(post.HtmlPath)
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if e != nil {
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log.Fatal("Cannot read body file")
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}
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v["Post"] = post
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ServeTemplate(w, r, "html/admin/admin-update-post.gohtml", v)
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return
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case http.MethodPost:
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urlParams = mux.Vars(r)
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post, e = Database.GetPostById(urlParams["id"])
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if e != nil {
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log.Fatal("Cannot get Post by id")
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}
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title = r.FormValue("title")
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subject = r.FormValue("subject")
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intro = r.FormValue("intro")
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body = r.FormValue("body")
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bodyPath, e = Helper.WriteBody(title, body)
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if e != nil {
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log.Fatal(e)
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}
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r.ParseMultipartForm(32 << 20) // 32MB is the default used by FormFile
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fileUpload = r.MultipartForm.File["img"]
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Helper.UploadFiles(fileUpload)
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if len(fileUpload) == 1 {
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post.MainImage = fileUpload[0].Filename
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}
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fileUpload = r.MultipartForm.File["files"]
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Helper.UploadFiles(fileUpload)
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fmt.Println(post)
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post.Title = title
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post.Subject = subject
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post.Intro = intro
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post.HtmlPath = bodyPath
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Database.UpdatePost(
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post,
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)
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http.Redirect(w, r, fmt.Sprintf("/admin/post/%s/edit", post.ID), 302)
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return
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}
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}
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