Initial working version
This commit is contained in:
commit
6e27b73960
5
.gitignore
vendored
Normal file
5
.gitignore
vendored
Normal file
@ -0,0 +1,5 @@
|
||||
# Intellij IDEA
|
||||
.idea/
|
||||
|
||||
# Generated data store
|
||||
data/
|
||||
8
Dockerfile
Normal file
8
Dockerfile
Normal file
@ -0,0 +1,8 @@
|
||||
FROM golang:alpine as builder
|
||||
WORKDIR /app
|
||||
COPY . .
|
||||
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" .
|
||||
FROM scratch
|
||||
WORKDIR /app
|
||||
COPY --from=builder /app/medication /usr/bin/
|
||||
ENTRYPOINT ["medication"]
|
||||
30
index.html
Normal file
30
index.html
Normal file
@ -0,0 +1,30 @@
|
||||
<!DOCTYPE html>
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>{{.Title}}</title>
|
||||
<style>
|
||||
* {
|
||||
font-family: Tahoma, sans-serif;
|
||||
font-size: large;
|
||||
}
|
||||
html {
|
||||
background-color: #222222;
|
||||
color: #eeeeee;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div style="display: flex; align-items: center; flex-direction: column">
|
||||
<p>{{.Message}}</p>
|
||||
{{if .ShowForm}}
|
||||
<form action="" method="post">
|
||||
<label>
|
||||
API Key:
|
||||
<input type="text" name="key" required>
|
||||
</label>
|
||||
<button type="submit">Submit</button>
|
||||
</form>
|
||||
{{end}}
|
||||
</div>
|
||||
</body>
|
||||
148
main.go
Normal file
148
main.go
Normal file
@ -0,0 +1,148 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"html/template"
|
||||
"net/http"
|
||||
"os"
|
||||
"time"
|
||||
)
|
||||
|
||||
type Timestamp struct {
|
||||
Current int64 `json:"current"`
|
||||
Next int64 `json:"next"`
|
||||
}
|
||||
|
||||
type Store struct {
|
||||
Username string `json:"username"`
|
||||
Timestamps []int64 `json:"timestamps"`
|
||||
}
|
||||
|
||||
type PageData struct {
|
||||
Title string
|
||||
ShowForm bool
|
||||
Message string
|
||||
}
|
||||
|
||||
func main() {
|
||||
// Check if directory exists, if not create it
|
||||
if _, err := os.Stat("./data"); os.IsNotExist(err) {
|
||||
err := os.Mkdir("./data", 0755)
|
||||
if err != nil {
|
||||
fmt.Println("Error creating directory, check permissions")
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
// Set environment variables
|
||||
RESET := os.Getenv("RESET")
|
||||
if RESET == "true" {
|
||||
if err := os.Remove("./data/taken.json"); err != nil {
|
||||
fmt.Println("Error removing file, check permissions")
|
||||
}
|
||||
}
|
||||
API_KEY := os.Getenv("API_KEY")
|
||||
fmt.Println("API_KEY: ", API_KEY)
|
||||
|
||||
// Start server
|
||||
http.HandleFunc("/", index)
|
||||
if err := http.ListenAndServe(":8080", nil); err != nil {
|
||||
fmt.Println("Error starting server")
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
func handlePost() PageData {
|
||||
current := time.Now().Unix()
|
||||
var day int64 = 60 * 60 * 24
|
||||
next := current + day
|
||||
|
||||
// If there is no file, create one
|
||||
if _, err := os.Stat("./data/taken.json"); os.IsNotExist(err) {
|
||||
if _, err := os.Create("./data/taken.json"); err != nil {
|
||||
fmt.Println("Error creating file, check permissions")
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
// Write to file
|
||||
if file, err := os.OpenFile("./data/taken.json", os.O_RDWR, os.ModePerm); err != nil {
|
||||
fmt.Println("Error opening file, check permissions")
|
||||
os.Exit(1)
|
||||
} else {
|
||||
encoder := json.NewEncoder(file)
|
||||
if err = encoder.Encode(Timestamp{current, next}); err != nil {
|
||||
fmt.Println("Error encoding file")
|
||||
os.Exit(1)
|
||||
}
|
||||
if err = file.Close(); err != nil {
|
||||
fmt.Println("Error closing file")
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
return PageData{
|
||||
Title: "Form submitted",
|
||||
ShowForm: false,
|
||||
Message: "Form submitted",
|
||||
}
|
||||
}
|
||||
|
||||
func checkFile() PageData {
|
||||
// Check if file exists
|
||||
file, err := os.Open("./data/taken.json")
|
||||
if err != nil {
|
||||
fmt.Println("Error opening file, check perms or likely does not exist")
|
||||
return PageData{
|
||||
Title: "Form page",
|
||||
Message: "Hello first time user, please enter API key to submit form",
|
||||
ShowForm: true,
|
||||
}
|
||||
}
|
||||
// Decode file
|
||||
info := Timestamp{}
|
||||
decoder := json.NewDecoder(file)
|
||||
if err := decoder.Decode(&info); err != nil {
|
||||
fmt.Println("Error decoding file")
|
||||
}
|
||||
if err := file.Close(); err != nil {
|
||||
fmt.Println("Error closing file")
|
||||
}
|
||||
if time.Now().Unix() > info.Next {
|
||||
return PageData{
|
||||
Title: "Form page",
|
||||
Message: "Already submmited form today, please wait until tomorrow",
|
||||
ShowForm: false,
|
||||
}
|
||||
}
|
||||
return PageData{
|
||||
Title: "Form page",
|
||||
Message: "Please enter API key to submit form",
|
||||
ShowForm: true,
|
||||
}
|
||||
}
|
||||
|
||||
func index(w http.ResponseWriter, r *http.Request) {
|
||||
tmpl := template.Must(template.ParseFiles("index.html"))
|
||||
var data PageData
|
||||
if r.Method == "GET" {
|
||||
fmt.Println("GET request received")
|
||||
data = checkFile()
|
||||
}
|
||||
if r.Method == "POST" {
|
||||
fmt.Println("POST request received")
|
||||
if err := r.ParseForm(); err != nil {
|
||||
http.Error(w, "Error parsing form", http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
if r.Form.Get("key") != os.Getenv("API_KEY") {
|
||||
http.Error(w, "Invalid API key", http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
data = handlePost()
|
||||
}
|
||||
if err := tmpl.Execute(w, data); err != nil {
|
||||
http.Error(w, "Error rendering template", http.StatusInternalServerError)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user