arcodange-org/webapp
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added support for oauth callback url

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This commit is contained in:
Gabriel Radureau
2024-09-30 12:19:03 +02:00
parent 2bdebd9014
commit 80bff29f51
2 changed files with 181 additions and 0 deletions
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1
README.md
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@@ -2,6 +2,7 @@
simple web app with a database connection for testing purpose simple web app with a database connection for testing purpose
return 42 + the number in input return 42 + the number in input
support oauth callback url
> [!NOTE] > [!NOTE]
> code generated with chat gpt > code generated with chat gpt

180
main.go
View File

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