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400fd23b3e
...
662dad90b7
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@ -22,7 +22,3 @@ CLEANUP_MAX_AGE=43200 # Default is a month
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# Maximum pad file lenght, this is in characters, a character is one byte.
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# Default: 524288 ( 500kb )
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MAXIMUM_PAD_SIZE=524288
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# Your admin access token
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# If the value is not defined the admin interface will not be available
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# ADMIN_TOKEN=SUPER_SECRET_ADMIN_TOKEN
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@ -1,62 +0,0 @@
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package controllers
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import (
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"crypto/sha512"
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"encoding/hex"
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"fmt"
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"net/http"
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"github.com/JustKato/FreePad/lib/helper"
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"github.com/gin-gonic/gin"
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)
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func AdminMiddleware(router *gin.RouterGroup) {
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// Handl
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router.Use(func(ctx *gin.Context) {
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// Check which route we are accessing
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fmt.Println(`Accesing: `, ctx.Request.RequestURI)
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// Check if the request is other than the login request
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if ctx.Request.RequestURI != "/admin/login" {
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// Check if the user is logged-in
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fmt.Println(`Checking if admin`)
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if !IsAdmin(ctx) {
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// Not an admin, redirect to homepage
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ctx.Redirect(http.StatusTemporaryRedirect, "/")
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ctx.Abort()
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fmt.Println(`Not an admin!`)
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return
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}
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}
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})
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}
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func IsAdmin(ctx *gin.Context) bool {
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adminToken, err := ctx.Cookie("admin_token")
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if err != nil {
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return false
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}
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// Encode the real token
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sha512Hasher := sha512.New()
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sha512Hasher.Write([]byte(helper.GetAdminToken()))
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hashHexToken := sha512Hasher.Sum(nil)
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trueToken := hex.EncodeToString(hashHexToken)
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// Check if the user's admin token matches the token
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if adminToken != "" && adminToken == trueToken {
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// Yep, it's the admin!
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return true
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}
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// Definitely not an admin
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return false
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}
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@ -72,18 +72,3 @@ func GetCacheMapLimit() int {
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return rez
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}
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// Get the admin token used to authenticate as an admin
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func GetAdminToken() string {
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// Get the admin login from the environment
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adminToken, exists := os.LookupEnv("ADMIN_TOKEN")
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// Check if the admin token was defined
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if !exists {
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// The admin token was not defined, disable admin logins
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return ""
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}
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// Return the admin token
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return adminToken
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}
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@ -26,13 +26,6 @@ type Post struct {
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Views uint32 `json:"views"`
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}
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func (p *Post) Delete() error {
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filePath := path.Join(getStorageDirectory(), p.Name)
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// Remove the file and return the result
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return os.Remove(filePath)
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}
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// Get the path to the views JSON
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func getViewsFilePath() (string, error) {
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// Get the path to the storage then append the const name for the storage file
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@ -101,7 +94,7 @@ func LoadViewsCache() error {
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return nil
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}
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func AddViewToPost(postName string, incrementViews bool) uint32 {
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func AddViewToPost(postName string) uint32 {
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// Lock the viewers mapping
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viewersLock.Lock()
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@ -111,10 +104,8 @@ func AddViewToPost(postName string, incrementViews bool) uint32 {
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ViewsCache[postName] = 0
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}
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if incrementViews {
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// Add to the counter
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ViewsCache[postName]++
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}
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// Add to the counter
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ViewsCache[postName]++
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// Unlock
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viewersLock.Unlock()
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@ -184,7 +175,7 @@ func getStorageDirectory() string {
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}
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// Get a post from the file system
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func GetPost(fileName string, incrementViews bool) Post {
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func GetPost(fileName string) Post {
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// Get the base storage directory and make sure it exists
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storageDir := getStorageDirectory()
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@ -192,7 +183,7 @@ func GetPost(fileName string, incrementViews bool) Post {
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filePath := fmt.Sprintf("%s%s", storageDir, fileName)
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// Get the post views and add 1 to them
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postViews := AddViewToPost(fileName, incrementViews)
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postViews := AddViewToPost(fileName)
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p := Post{
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Name: fileName,
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@ -304,30 +295,3 @@ func CleanupPosts(age int) {
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}
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}
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func GetAllPosts() []Post {
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// Initialize the list of posts
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postList := []Post{}
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// Get the posts storage directory
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storageDir := getStorageDirectory()
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// Read the directory listing
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files, err := os.ReadDir(storageDir)
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// Check if thereh as been an issues with reading the directory contents
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if err != nil {
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// Log the error
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fmt.Println("Error::GetAllPosts:", err)
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// Return an empty list to have a clean fallback
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return []Post{}
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}
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// Go through all of the files
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for _, v := range files {
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// Process the file into a pad
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postList = append(postList, GetPost(v.Name(), false))
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}
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// Return the post list
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return postList
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}
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@ -1,95 +0,0 @@
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package routes
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import (
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"encoding/hex"
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"fmt"
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"net/http"
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"github.com/JustKato/FreePad/lib/controllers"
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"github.com/JustKato/FreePad/lib/helper"
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"github.com/JustKato/FreePad/lib/objects"
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"github.com/gin-gonic/gin"
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"crypto/sha512"
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)
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var adminLoginToken string = ""
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func AdminRoutes(router *gin.RouterGroup) {
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adminLoginToken = helper.GetAdminToken()
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// Apply the admin middleware for identification
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controllers.AdminMiddleware(router)
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// Admin login route
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router.GET("/login", func(ctx *gin.Context) {
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ctx.HTML(200, "admin_login.html", gin.H{
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"title": "Login Login",
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"domain_base": helper.GetDomainBase(),
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})
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})
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router.POST("/login", func(ctx *gin.Context) {
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// Get the value of the admin token
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adminToken := ctx.PostForm("admin-token")
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// Check if the input admin token matches our admin token
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if adminLoginToken != "" && adminLoginToken == adminToken {
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sha512Hasher := sha512.New()
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sha512Hasher.Write([]byte(adminToken))
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// Set the cookie to be an admin
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hashHexToken := sha512Hasher.Sum(nil)
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hashToken := hex.EncodeToString(hashHexToken)
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// Set the cookie
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ctx.SetCookie("admin_token", hashToken, 60*60, "/", helper.GetDomainBase(), true, true)
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ctx.Request.Method = "GET"
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// Redirect the user to the admin page
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ctx.Redirect(http.StatusFound, "/admin/view")
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return
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} else {
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ctx.Request.Method = "GET"
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// Redirect the user to the admin page
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ctx.Redirect(http.StatusFound, "/admin/login?fail")
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return
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}
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})
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router.GET("/delete/:padname", func(ctx *gin.Context) {
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// Get the pad name that we bout' to delete
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padName := ctx.Param("padname")
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// Try and get the pad, check if valid
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pad := objects.GetPost(padName, false)
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// Delete the pad
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err := pad.Delete()
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fmt.Println(err)
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// Redirect the user to the admin page
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ctx.Redirect(http.StatusFound, "/admin/view")
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})
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// Admin view route
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router.GET("/view", func(ctx *gin.Context) {
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// Get all of the pads as a listing
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padList := objects.GetAllPosts()
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ctx.HTML(200, "admin_view.html", gin.H{
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"title": "Admin",
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"padList": padList,
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"domain_base": helper.GetDomainBase(),
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})
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})
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}
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@ -41,7 +41,7 @@ func HomeRoutes(router *gin.Engine) {
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}
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postName = sanitize.XSS(sanitize.SingleLine(postName))
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post := objects.GetPost(postName, true)
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post := objects.GetPost(postName)
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c.HTML(200, "page.html", gin.H{
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"title": postName,
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3
main.go
3
main.go
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@ -46,9 +46,6 @@ func main() {
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// Implement the rate limiter
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controllers.DoRateLimit(router)
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// Admin Routing
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routes.AdminRoutes(router.Group("/admin"))
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// Add Routes
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routes.HomeRoutes(router)
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@ -1,42 +0,0 @@
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{{ template "inc/header.html" .}}
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<body>
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<main id="main-card" class="container rounded mt-5 shadow-sm">
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<div class="p-3">
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<a href="/" class="logo-container w-100 d-flex mb-4">
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<img src="/static/img/logo_transparent.png" alt="Logo" style="max-width: 50%; margin: 0 auto;" class="mx-auto">
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</a>
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<div class="form-group my-4">
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<form class="search-action input-group" method="post" action="/admin/login">
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<input autocomplete="off" type="password" class="form-control form-control-lg" name="admin-token" placeholder="Your Admin token" aria-label="Your Admin token" aria-describedby="admin-token-button" id="admin-token">
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<button class="btn btn-primary" type="submit" id="admin-token-button">
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<svg xmlns="http://www.w3.org/2000/svg" width="24 " height="24 " fill="currentColor" class="bi bi-box-arrow-in-right" viewBox="0 0 16 16">
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<path fill-rule="evenodd" d="M6 3.5a.5.5 0 0 1 .5-.5h8a.5.5 0 0 1 .5.5v9a.5.5 0 0 1-.5.5h-8a.5.5 0 0 1-.5-.5v-2a.5.5 0 0 0-1 0v2A1.5 1.5 0 0 0 6.5 14h8a1.5 1.5 0 0 0 1.5-1.5v-9A1.5 1.5 0 0 0 14.5 2h-8A1.5 1.5 0 0 0 5 3.5v2a.5.5 0 0 0 1 0v-2z"/>
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<path fill-rule="evenodd" d="M11.854 8.354a.5.5 0 0 0 0-.708l-3-3a.5.5 0 1 0-.708.708L10.293 7.5H1.5a.5.5 0 0 0 0 1h8.793l-2.147 2.146a.5.5 0 0 0 .708.708l3-3z"/>
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</svg>
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</button>
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</form>
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<small class="text-muted">Access the admin interface for FreePad, this can only be done through the Admin Token.</small>
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</div>
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</div>
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<footer class="text-muted py-5 border-top text-center">
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<p class="mb-1">
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FreePad by <a href="https://justkato.me/">©Kato Twofold</a>
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</p>
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<p class="mb-0">
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FreePad is freely available over on our <a href="https://github.com/JustKato/FreePad">GitHub</a>
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</p>
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</footer>
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</main>
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{{ template "inc/theme-toggle.html" .}}
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</body>
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{{ template "inc/footer.html" .}}
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@ -1,94 +0,0 @@
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{{ template "inc/header.html" .}}
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<style>
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.pad-instance {
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display: flex;
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flex-flow: row;
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justify-content: space-between;
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align-items: center;
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}
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#pad-list {
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max-height: 30rem;
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overflow-x: hidden;
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overflow-y: auto;
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}
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.pad-name {
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max-width: 30%;
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overflow: hidden;
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}
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</style>
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<body>
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<main id="main-card" class="container rounded mt-5 shadow-sm">
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<div class="p-3">
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<a href="/" class="logo-container w-100 d-flex mb-4">
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<img src="/static/img/logo_transparent.png" alt="Logo" style="max-width: 50%; margin: 0 auto;" class="mx-auto">
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</a>
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<div class="form-group my-4 border-top p-3 border">
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<div class="pad-instance my-2 border-bottom">
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<div class="pad-name col-5">
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Pad Name
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</div>
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<div class="pad-last-view col-1">
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Views
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</div>
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<div class="pad-last-modified col-4">
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Create Date
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</div>
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<div class="col-2">
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Actions
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</div>
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</div>
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<div id="pad-list" >
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{{ range $indx, $element := .padList }}
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<div class="pad-instance my-2">
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<div class="pad-name col-5">
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<a href="/{{ $element.Name }}">
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{{ $element.Name }}
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</a>
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</div>
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<div class="pad-last-view col-1">
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{{ $element.Views }}
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</div>
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<div class="pad-last-modified col-4">
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{{ $element.LastModified }}
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</div>
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<div class="col-2">
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<div onclick="doDelete({{ $element.Name }})" class="btn btn-danger">
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Delete
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</div>
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</div>
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</div>
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{{ end }}
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</div>
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</div>
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</div>
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</main>
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{{ template "inc/theme-toggle.html" .}}
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</body>
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<script>
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function doDelete(id) {
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// Confirm deletion
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if ( confirm("Confirm pad deletion?") ) {
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// Do delete
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window.location.href = `/admin/delete/${id}`;
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}
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}
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</script>
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{{ template "inc/footer.html" .}}
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Reference in New Issue