added support for oauth callback url
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@@ -2,6 +2,7 @@
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simple web app with a database connection for testing purpose
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return 42 + the number in input
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support oauth callback url
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> [!NOTE]
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> code generated with chat gpt
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180
main.go
180
main.go
@@ -3,10 +3,12 @@ package main
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import (
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"database/sql"
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"fmt"
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"html/template"
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"log"
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"net/http"
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"os"
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"strconv"
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"strings"
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_ "github.com/lib/pq" // PostgreSQL driver
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)
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@@ -126,6 +128,181 @@ func selectHandler(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(w, "<h1>Result: %d</h1>", result)
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}
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// Structure de base pour passer les données au template HTML
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type CallbackData struct {
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Code string
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State string
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Other map[string]string
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}
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// oauth2_callback handles HTTP requests and display a message according to queryParams
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func oauth2_callback(w http.ResponseWriter, r *http.Request) {
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// Récupération des paramètres query
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queryParams := r.URL.Query()
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code := queryParams.Get("code")
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state := queryParams.Get("state")
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// Construction d'une map pour les autres paramètres
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otherParams := make(map[string]string)
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for key, values := range queryParams {
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if key != "code" && key != "state" {
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otherParams[key] = strings.Join(values, ", ")
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}
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}
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// Définition du template HTML avec le comportement demandé
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tmpl := `
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>OAuth2 Callback</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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background-color: #f4f4f4;
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padding: 20px;
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}
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h2, h3 {
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color: #333;
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}
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p {
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font-size: 16px;
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}
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button {
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padding: 10px 20px;
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background-color: #007BFF;
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color: white;
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border: none;
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cursor: pointer;
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transition: background-color 0.3s;
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}
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button:hover {
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background-color: #0056b3;
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}
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.fade-out {
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animation: fadeOut 2s forwards;
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}
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@keyframes fadeOut {
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0% { opacity: 1; }
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100% { opacity: 0; }
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}
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pre {
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background-color: #eaeaea;
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padding: 10px;
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border-radius: 4px;
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}
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</style>
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<script>
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function copyToClipboard(text) {
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navigator.clipboard.writeText(text).then(function() {
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var msg = document.getElementById('copy-message');
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msg.textContent = 'Copied to clipboard!';
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msg.classList.add('fade-out');
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setTimeout(function() {
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msg.textContent = ''; // Hide message after fading out
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}, 2000); // Hide after 2 seconds
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}, function(err) {
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alert('Error copying to clipboard: ' + err);
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});
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}
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</script>
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</head>
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<body>
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{{if and .Code .State}}
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<h2>Succès: Code et State reçus</h2>
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<p>Code: {{.Code}}</p>
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<p>State: {{.State}}</p>
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<button onclick="copyToClipboard('Code: {{.Code}}\t State: {{.State}}')">Copier dans le presse-papier</button>
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<p id="copy-message" style="color: green; font-weight: bold;"></p>
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{{else}}
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<h2>Aucun code et state reçus</h2>
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{{end}}
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{{if .Other}}
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<h3>Autres paramètres reçus:</h3>
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<pre>
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{{range $key, $value := .Other}}
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{{$key}}: {{$value}}
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{{end}}
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</pre>
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{{else}}
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<p>Aucun autre paramètre reçu.</p>
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{{end}}
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</body>
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</html>
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`
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// Parsing du template
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t, err := template.New("callback").Parse(tmpl)
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if err != nil {
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http.Error(w, "Error parsing template", http.StatusInternalServerError)
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return
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}
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// Remplissage des données et exécution du template
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data := CallbackData{
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Code: code,
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State: state,
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Other: otherParams,
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}
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w.Header().Set("Content-Type", "text/html")
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if err := t.Execute(w, data); err != nil {
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http.Error(w, "Error rendering template", http.StatusInternalServerError)
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}
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}
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func test_oauth2_callback(w http.ResponseWriter, r *http.Request) {
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html := `
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<html>
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<head>
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<title>OAuth2 Callback Test</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<style>
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body {
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font-family: Arial, sans-serif;
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margin: 0;
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padding: 20px;
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background-color: #f4f4f4;
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}
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h1 {
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color: #333;
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}
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form {
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margin-top: 20px;
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}
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input[type="text"], button {
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padding: 10px;
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margin-top: 10px;
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width: 100%;
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box-sizing: border-box;
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}
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button {
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background-color: #007BFF;
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color: white;
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border: none;
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cursor: pointer;
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transition: background-color 0.3s;
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}
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button:hover {
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background-color: #0056b3;
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}
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</style>
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</head>
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<body>
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<h1>Welcome to OAuth2 Test</h1>
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<form action="/oauth-callback" method="get">
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<label>Paramètre Code:</label><br>
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<input type="text" name="code"><br>
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<label>Paramètre State:</label><br>
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<input type="text" name="state"><br>
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<button type="submit">Envoyer</button>
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</form>
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</body>
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</html>
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`
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w.Header().Set("Content-Type", "text/html")
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w.Write([]byte(html))
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}
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func main() {
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var err error
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@@ -148,6 +325,9 @@ func main() {
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// Define the handler for the `/readiness` probe
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http.HandleFunc("/readiness", readinessHandler)
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http.HandleFunc("/oauth-callback", oauth2_callback)
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http.HandleFunc("/test-oauth-callback", test_oauth2_callback)
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// Start the HTTP server
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port := ":8080"
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log.Printf("Server starting on port %s\n", port)
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