forked from OrgGo/Tasks
107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
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package views
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import (
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"net/http"
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"log"
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"strconv"
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"os"
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"time"
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"fmt"
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"text/template"
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"crypto/md5"
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"github.com/thewhitetulip/Tasks/db"
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"io"
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)
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// UploadedFileHandler is used to handle the uploaded file related requests
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func UploadedFileHandler(w http.ResponseWriter, r *http.Request) {
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if r.Method == "GET" {
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log.Println("into the handler")
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token := r.URL.Path[len("/files/"):]
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//file, err := db.GetFileName(token)
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//if err != nil {
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log.Println("serving file ./files/" + token)
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http.ServeFile(w, r, "./files/"+token)
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//}
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}
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}
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//AddTaskFunc is used to handle the addition of new task, "/add" URL
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func AddTaskFunc(w http.ResponseWriter, r *http.Request) {
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if r.Method == "POST" { // Will work only for POST requests, will redirect to home
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r.ParseForm()
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file, handler, err := r.FormFile("uploadfile")
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if err != nil {
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log.Println(err)
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}
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taskPriority, priorityErr := strconv.Atoi(r.FormValue("priority"))
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if priorityErr != nil {
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log.Print(priorityErr)
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}
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priorityList := []int{1, 2, 3}
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found := false
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for _, priority := range priorityList {
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if taskPriority == priority {
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found = true
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}
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}
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//If someone gives us incorrect priority number, we give the priority
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//to that task as 1 i.e. Low
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if !found {
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taskPriority = 1
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}
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title := template.HTMLEscapeString(r.Form.Get("title"))
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content := template.HTMLEscapeString(r.Form.Get("content"))
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formToken := template.HTMLEscapeString(r.Form.Get("CSRFToken"))
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cookie, _ := r.Cookie("csrftoken")
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if formToken == cookie.Value {
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if handler != nil {
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r.ParseMultipartForm(32 << 20) //defined maximum size of file
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defer file.Close()
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randomFileName := md5.New()
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io.WriteString(randomFileName, strconv.FormatInt(time.Now().Unix(), 10))
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io.WriteString(randomFileName, handler.Filename)
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token := fmt.Sprintf("%x", randomFileName.Sum(nil))
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f, err := os.OpenFile("./files/"+token, os.O_WRONLY|os.O_CREATE, 0666)
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if err != nil {
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log.Println(err)
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return
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}
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defer f.Close()
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io.Copy(f, file)
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filelink := "<br> <a href=/files/" + token + ">" + handler.Filename + "</a>"
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content = content + filelink
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fileTruth := db.AddFile(handler.Filename, token)
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if fileTruth != nil {
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message = "Error adding filename in db"
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log.Println("error adding task to db")
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}
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}
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taskTruth := db.AddTask(title, content, taskPriority)
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if taskTruth != nil {
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message = "Error adding task"
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log.Println("error adding task to db")
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} else {
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message = "Task added"
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log.Println("added task to db")
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}
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http.Redirect(w, r, "/", http.StatusFound)
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} else {
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log.Fatal("CSRF mismatch")
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}
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} else {
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message = "Method not allowed"
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http.Redirect(w, r, "/", http.StatusFound)
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}
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}
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