818 lines
20 KiB
Markdown
818 lines
20 KiB
Markdown
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# Guide d'implémentation - Service Web2Print
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Guide étape par étape pour déployer le service de conversion HTML vers PDF sur le VPS Infomaniak.
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## Prérequis
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- Accès SSH au VPS
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- Accès à l'interface Infomaniak
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- Domaine `web2print.studio-variable.com` pointant vers le VPS
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---
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## Phase 1 : Préparation du VPS
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### 1.1 Connexion et vérification
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```bash
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# Vérifier Node.js et npm
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node --version
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npm --version
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# Vérifier Apache et PHP
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apache2 -v
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php -v
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```
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### 1.2 Installation de Node.js (si nécessaire)
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```bash
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# Si Node.js n'est pas installé ou version < 14
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sudo apt update
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sudo apt install curl -y
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# Installer Node.js via NodeSource (version LTS recommandée)
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curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
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sudo apt install -y nodejs
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# Vérifier l'installation
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node --version
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npm --version
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```
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### 1.3 Installation de Paged.js CLI
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```bash
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# Installer pagedjs-cli globalement
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sudo npm install -g pagedjs-cli
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# Vérifier l'installation (pagedjs-cli n'a pas d'option --version)
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npm list -g pagedjs-cli
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which pagedjs-cli
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# Vérifier le chemin d'installation (noter pour la config PHP)
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which pagedjs-cli
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```
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### 1.4 Tester Paged.js CLI
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```bash
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# Créer un fichier HTML de test
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cat > /tmp/test.html << 'EOF'
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<style>
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@page { size: A4; margin: 2cm; }
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body { font-family: Arial, sans-serif; }
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h1 { color: #333; }
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</style>
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</head>
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<body>
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<h1>Test Paged.js CLI</h1>
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<p>Ceci est un test de génération PDF avec Paged.js.</p>
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</body>
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</html>
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EOF
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# Générer un PDF de test
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pagedjs-cli /tmp/test.html -o /tmp/test.pdf
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# Vérifier que le PDF est créé
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ls -lh /tmp/test.pdf
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file /tmp/test.pdf
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```
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---
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## Phase 2 : Structure du projet
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### 2.1 Créer la structure des dossiers
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```bash
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# Créer le dossier du projet
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sudo mkdir -p /var/www/web2print
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cd /var/www/web2print
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# Créer la structure
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sudo mkdir -p {public,config,logs,tmp}
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sudo mkdir -p src/{Controllers,Services,Middleware}
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# Structure finale :
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# /var/www/web2print/
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# ├── public/
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# │ └── index.php
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# ├── src/
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# │ ├── Controllers/
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# │ ├── Services/
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# │ └── Middleware/
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# ├── config/
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# │ └── config.php
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# ├── logs/
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# └── tmp/
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```
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### 2.2 Définir les permissions
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```bash
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# Propriétaire : www-data (utilisateur Apache)
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sudo chown -R www-data:www-data /var/www/web2print
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# Permissions
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sudo chmod -R 755 /var/www/web2print
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sudo chmod -R 775 /var/www/web2print/logs
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sudo chmod -R 775 /var/www/web2print/tmp
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```
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---
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## Phase 3 : Configuration Apache
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### 3.1 Configurer le VirtualHost
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```bash
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# Créer le fichier de configuration
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sudo nano /etc/apache2/sites-available/web2print.conf
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```
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Contenu du fichier `web2print.conf` :
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```apache
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<VirtualHost *:80>
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ServerName web2print.studio-variable.com
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DocumentRoot /var/www/web2print/public
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<Directory /var/www/web2print/public>
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Options -Indexes +FollowSymLinks
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AllowOverride All
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Require all granted
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</Directory>
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# Logs
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ErrorLog /var/www/web2print/logs/apache-error.log
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CustomLog /var/www/web2print/logs/apache-access.log combined
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# Sécurité
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<FilesMatch "\.(env|config\.php)$">
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Require all denied
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</FilesMatch>
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</VirtualHost>
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```
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### 3.2 Activer le site et modules nécessaires
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```bash
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# Activer le module rewrite
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sudo a2enmod rewrite
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# Activer le site
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sudo a2ensite web2print.conf
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# Vérifier la configuration
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sudo apache2ctl configtest
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# Redémarrer Apache
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sudo systemctl restart apache2
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```
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### 3.3 Configuration SSL avec Let's Encrypt (recommandé)
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```bash
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# Installer Certbot
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sudo apt install certbot python3-certbot-apache -y
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# Obtenir et installer le certificat
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sudo certbot --apache -d web2print.studio-variable.com
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# Le renouvellement automatique est configuré par défaut
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```
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---
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## Phase 4 : Configuration DNS (Interface Infomaniak)
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### 4.1 Dans l'interface Infomaniak
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1. Aller dans la gestion des domaines
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2. Sélectionner le domaine `studio-variable.com`
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3. Accéder aux zones DNS
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4. Ajouter un enregistrement A :
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- **Nom** : `web2print`
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- **Type** : `A`
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- **Valeur** : `[IP du VPS]`
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- **TTL** : `3600`
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### 4.2 Vérifier la propagation
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```bash
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# Attendre quelques minutes puis tester
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dig web2print.studio-variable.com
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curl -I http://web2print.studio-variable.com
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```
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---
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## Phase 5 : Implémentation du code PHP
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### 5.1 Fichier de configuration
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```bash
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sudo nano /var/www/web2print/config/config.php
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```
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Contenu :
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```php
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<?php
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return [
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// Clés API autorisées
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'api_keys' => [
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'votre-cle-api-secrete-generee-aleatoirement',
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// Ajouter d'autres clés si nécessaire
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],
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// Chemins
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'tmp_dir' => '/var/www/web2print/tmp',
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'log_file' => '/var/www/web2print/logs/app.log',
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// Paged.js CLI
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'pagedjs_bin' => '/usr/local/bin/pagedjs-cli', // Vérifier avec: which pagedjs-cli
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'pagedjs_timeout' => 60, // secondes
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// Limites
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'max_html_size' => 5 * 1024 * 1024, // 5 MB
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'max_execution_time' => 90,
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// Options PDF par défaut
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'pdf_defaults' => [
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'format' => 'A4',
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'margin' => '2cm',
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],
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];
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```
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### 5.2 Middleware d'authentification
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```bash
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sudo nano /var/www/web2print/src/Middleware/AuthMiddleware.php
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```
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Contenu :
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```php
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<?php
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namespace Web2Print\Middleware;
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class AuthMiddleware
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{
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private array $config;
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public function __construct(array $config)
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{
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$this->config = $config;
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}
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public function authenticate(): bool
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{
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$apiKey = $_SERVER['HTTP_X_API_KEY'] ?? '';
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if (empty($apiKey)) {
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$this->sendError(401, 'API key missing');
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return false;
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}
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if (!in_array($apiKey, $this->config['api_keys'], true)) {
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$this->sendError(403, 'Invalid API key');
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return false;
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}
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return true;
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}
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private function sendError(int $code, string $message): void
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{
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http_response_code($code);
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header('Content-Type: application/json');
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echo json_encode(['error' => $message]);
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exit;
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}
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}
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```
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### 5.3 Service de génération PDF
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```bash
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sudo nano /var/www/web2print/src/Services/PdfGenerator.php
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```
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Contenu :
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```php
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<?php
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namespace Web2Print\Services;
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class PdfGenerator
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{
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private array $config;
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public function __construct(array $config)
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{
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$this->config = $config;
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}
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public function generate(string $html, ?string $css = null, array $options = []): string
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{
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// Créer un fichier HTML temporaire
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$htmlFile = $this->createTempFile($html, $css);
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$pdfFile = tempnam($this->config['tmp_dir'], 'pdf_') . '.pdf';
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try {
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// Construire la commande Paged.js CLI
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$command = $this->buildCommand($htmlFile, $pdfFile, $options);
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// Exécuter Paged.js CLI
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$output = [];
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$returnCode = 0;
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exec($command . ' 2>&1', $output, $returnCode);
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if ($returnCode !== 0) {
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$this->log('Paged.js CLI error: ' . implode("\n", $output));
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throw new \Exception('PDF generation failed: ' . implode("\n", $output));
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}
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// Lire le PDF généré
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if (!file_exists($pdfFile)) {
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throw new \Exception('PDF file not created');
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}
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$pdfContent = file_get_contents($pdfFile);
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return $pdfContent;
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} finally {
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// Nettoyer les fichiers temporaires
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@unlink($htmlFile);
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@unlink($pdfFile);
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}
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}
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private function createTempFile(string $html, ?string $css): string
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{
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$fullHtml = $html;
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// Injecter le CSS dans le HTML si fourni
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if ($css) {
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$styleTag = "<style>{$css}</style>";
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if (stripos($html, '</head>') !== false) {
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$fullHtml = str_ireplace('</head>', $styleTag . '</head>', $html);
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} else {
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// Si pas de <head>, créer une structure HTML complète
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$fullHtml = "<!DOCTYPE html><html><head><meta charset='utf-8'>{$styleTag}</head><body>{$html}</body></html>";
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}
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}
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// S'assurer que le HTML a une structure complète
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if (stripos($fullHtml, '<!DOCTYPE') === false) {
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$fullHtml = "<!DOCTYPE html><html><head><meta charset='utf-8'></head><body>{$fullHtml}</body></html>";
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}
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$tempFile = tempnam($this->config['tmp_dir'], 'html_') . '.html';
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file_put_contents($tempFile, $fullHtml);
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return $tempFile;
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}
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private function buildCommand(string $htmlFile, string $pdfFile, array $options): string
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{
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$cmd = escapeshellcmd($this->config['pagedjs_bin']);
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$cmd .= ' ' . escapeshellarg($htmlFile);
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$cmd .= ' -o ' . escapeshellarg($pdfFile);
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// Options supplémentaires pour Paged.js CLI
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// Note: Paged.js utilise les règles CSS @page pour le format
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// Les options sont limitées dans la CLI
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// Timeout (millisecondes)
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if (!empty($options['timeout'])) {
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$cmd .= ' --timeout ' . (int)$options['timeout'];
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} else {
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$cmd .= ' --timeout ' . ($this->config['pagedjs_timeout'] * 1000);
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}
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return $cmd;
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}
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private function log(string $message): void
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{
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$timestamp = date('Y-m-d H:i:s');
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$logMessage = "[{$timestamp}] {$message}\n";
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file_put_contents($this->config['log_file'], $logMessage, FILE_APPEND);
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}
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}
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```
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### 5.4 Contrôleur principal
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```bash
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sudo nano /var/www/web2print/src/Controllers/GenerateController.php
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```
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Contenu :
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```php
|
||
|
|
<?php
|
||
|
|
|
||
|
|
namespace Web2Print\Controllers;
|
||
|
|
|
||
|
|
use Web2Print\Services\PdfGenerator;
|
||
|
|
|
||
|
|
class GenerateController
|
||
|
|
{
|
||
|
|
private PdfGenerator $generator;
|
||
|
|
private array $config;
|
||
|
|
|
||
|
|
public function __construct(PdfGenerator $generator, array $config)
|
||
|
|
{
|
||
|
|
$this->generator = $generator;
|
||
|
|
$this->config = $config;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function handle(): void
|
||
|
|
{
|
||
|
|
// Vérifier la méthode HTTP
|
||
|
|
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
|
||
|
|
$this->sendError(405, 'Method not allowed');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Lire le body JSON
|
||
|
|
$input = file_get_contents('php://input');
|
||
|
|
|
||
|
|
if (strlen($input) > $this->config['max_html_size']) {
|
||
|
|
$this->sendError(413, 'Request too large');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$data = json_decode($input, true);
|
||
|
|
|
||
|
|
if (json_last_error() !== JSON_ERROR_NONE) {
|
||
|
|
$this->sendError(400, 'Invalid JSON');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Valider les données
|
||
|
|
if (empty($data['html'])) {
|
||
|
|
$this->sendError(400, 'HTML content required');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
// Générer le PDF
|
||
|
|
$pdf = $this->generator->generate(
|
||
|
|
$data['html'],
|
||
|
|
$data['css'] ?? null,
|
||
|
|
$data['options'] ?? []
|
||
|
|
);
|
||
|
|
|
||
|
|
// Retourner le PDF
|
||
|
|
header('Content-Type: application/pdf');
|
||
|
|
header('Content-Length: ' . strlen($pdf));
|
||
|
|
echo $pdf;
|
||
|
|
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
$this->sendError(500, 'PDF generation error: ' . $e->getMessage());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private function sendError(int $code, string $message): void
|
||
|
|
{
|
||
|
|
http_response_code($code);
|
||
|
|
header('Content-Type: application/json');
|
||
|
|
echo json_encode(['error' => $message]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
```
|
||
|
|
|
||
|
|
### 5.5 Point d'entrée (index.php)
|
||
|
|
```bash
|
||
|
|
sudo nano /var/www/web2print/public/index.php
|
||
|
|
```
|
||
|
|
|
||
|
|
Contenu :
|
||
|
|
```php
|
||
|
|
<?php
|
||
|
|
|
||
|
|
// Autoloader simple
|
||
|
|
spl_autoload_register(function ($class) {
|
||
|
|
$prefix = 'Web2Print\\';
|
||
|
|
$baseDir = __DIR__ . '/../src/';
|
||
|
|
|
||
|
|
$len = strlen($prefix);
|
||
|
|
if (strncmp($prefix, $class, $len) !== 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$relativeClass = substr($class, $len);
|
||
|
|
$file = $baseDir . str_replace('\\', '/', $relativeClass) . '.php';
|
||
|
|
|
||
|
|
if (file_exists($file)) {
|
||
|
|
require $file;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// Charger la configuration
|
||
|
|
$config = require __DIR__ . '/../config/config.php';
|
||
|
|
|
||
|
|
// Définir le temps d'exécution max
|
||
|
|
set_time_limit($config['max_execution_time']);
|
||
|
|
|
||
|
|
// Headers CORS (si nécessaire)
|
||
|
|
header('Access-Control-Allow-Origin: *');
|
||
|
|
header('Access-Control-Allow-Methods: POST, OPTIONS');
|
||
|
|
header('Access-Control-Allow-Headers: Content-Type, X-API-Key');
|
||
|
|
|
||
|
|
// Gérer preflight OPTIONS
|
||
|
|
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
|
||
|
|
http_response_code(200);
|
||
|
|
exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Authentification
|
||
|
|
$auth = new \Web2Print\Middleware\AuthMiddleware($config);
|
||
|
|
if (!$auth->authenticate()) {
|
||
|
|
exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Router simple
|
||
|
|
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
|
||
|
|
|
||
|
|
if ($uri === '/generate' || $uri === '/') {
|
||
|
|
$generator = new \Web2Print\Services\PdfGenerator($config);
|
||
|
|
$controller = new \Web2Print\Controllers\GenerateController($generator, $config);
|
||
|
|
$controller->handle();
|
||
|
|
} else {
|
||
|
|
http_response_code(404);
|
||
|
|
header('Content-Type: application/json');
|
||
|
|
echo json_encode(['error' => 'Not found']);
|
||
|
|
}
|
||
|
|
```
|
||
|
|
|
||
|
|
### 5.6 Fichier .htaccess
|
||
|
|
```bash
|
||
|
|
sudo nano /var/www/web2print/public/.htaccess
|
||
|
|
```
|
||
|
|
|
||
|
|
Contenu :
|
||
|
|
```apache
|
||
|
|
# Activer le moteur de réécriture
|
||
|
|
RewriteEngine On
|
||
|
|
|
||
|
|
# Rediriger toutes les requêtes vers index.php
|
||
|
|
RewriteCond %{REQUEST_FILENAME} !-f
|
||
|
|
RewriteCond %{REQUEST_FILENAME} !-d
|
||
|
|
RewriteRule ^(.*)$ index.php [QSA,L]
|
||
|
|
|
||
|
|
# Sécurité
|
||
|
|
<Files ".env">
|
||
|
|
Require all denied
|
||
|
|
</Files>
|
||
|
|
```
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
## Phase 6 : Génération de la clé API
|
||
|
|
|
||
|
|
### 6.1 Générer une clé sécurisée
|
||
|
|
```bash
|
||
|
|
# Sur le VPS
|
||
|
|
openssl rand -hex 32
|
||
|
|
# Exemple de sortie : a7f8e9d4c2b1a3f5e7d9c4b2a1f8e6d5c3b9a7f4e2d8c6b4a2f9e7d5c3b1a8f6
|
||
|
|
```
|
||
|
|
|
||
|
|
### 6.2 Ajouter la clé dans la configuration
|
||
|
|
```bash
|
||
|
|
sudo nano /var/www/web2print/config/config.php
|
||
|
|
```
|
||
|
|
|
||
|
|
Remplacer `'votre-cle-api-secrete-generee-aleatoirement'` par la clé générée.
|
||
|
|
|
||
|
|
### 6.3 Sécuriser le fichier de configuration
|
||
|
|
```bash
|
||
|
|
sudo chmod 640 /var/www/web2print/config/config.php
|
||
|
|
sudo chown www-data:www-data /var/www/web2print/config/config.php
|
||
|
|
```
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
## Phase 7 : Tests
|
||
|
|
|
||
|
|
### 7.1 Vérifier le chemin de Paged.js CLI
|
||
|
|
```bash
|
||
|
|
which pagedjs-cli
|
||
|
|
# Mettre à jour 'pagedjs_bin' dans config.php si nécessaire
|
||
|
|
```
|
||
|
|
|
||
|
|
### 7.2 Test avec curl - HTML simple
|
||
|
|
```bash
|
||
|
|
# Créer un fichier de test avec CSS Paged Media
|
||
|
|
cat > /tmp/test-request.json << 'EOF'
|
||
|
|
{
|
||
|
|
"html": "<!DOCTYPE html><html><head><meta charset='utf-8'><style>@page { size: A4; margin: 2cm; } body { font-family: Arial; } h1 { color: #333; }</style></head><body><h1>Test PDF Paged.js</h1><p>Ceci est un test de génération PDF avec Paged.js CLI.</p></body></html>"
|
||
|
|
}
|
||
|
|
EOF
|
||
|
|
|
||
|
|
# Tester l'API (remplacer YOUR_API_KEY)
|
||
|
|
curl -X POST https://web2print.studio-variable.com/generate \
|
||
|
|
-H "Content-Type: application/json" \
|
||
|
|
-H "X-API-Key: YOUR_API_KEY" \
|
||
|
|
-d @/tmp/test-request.json \
|
||
|
|
--output /tmp/result.pdf
|
||
|
|
|
||
|
|
# Vérifier le PDF généré
|
||
|
|
file /tmp/result.pdf
|
||
|
|
ls -lh /tmp/result.pdf
|
||
|
|
```
|
||
|
|
|
||
|
|
### 7.2b Test avec CSS séparé
|
||
|
|
```bash
|
||
|
|
# Test avec HTML et CSS séparés
|
||
|
|
cat > /tmp/test-request-2.json << 'EOF'
|
||
|
|
{
|
||
|
|
"html": "<!DOCTYPE html><html><head><meta charset='utf-8'></head><body><h1>Test avec CSS séparé</h1><p>Le CSS est injecté séparément.</p></body></html>",
|
||
|
|
"css": "@page { size: A4; margin: 2cm; } body { font-family: Georgia, serif; color: #444; } h1 { color: #d63031; border-bottom: 2px solid #d63031; padding-bottom: 10px; }"
|
||
|
|
}
|
||
|
|
EOF
|
||
|
|
|
||
|
|
curl -X POST https://web2print.studio-variable.com/generate \
|
||
|
|
-H "Content-Type: application/json" \
|
||
|
|
-H "X-API-Key: YOUR_API_KEY" \
|
||
|
|
-d @/tmp/test-request-2.json \
|
||
|
|
--output /tmp/result-2.pdf
|
||
|
|
```
|
||
|
|
|
||
|
|
### 7.3 Test sans clé API (doit échouer)
|
||
|
|
```bash
|
||
|
|
curl -X POST https://web2print.studio-variable.com/generate \
|
||
|
|
-H "Content-Type: application/json" \
|
||
|
|
-d '{"html": "<h1>Test</h1>"}'
|
||
|
|
# Doit retourner : {"error":"API key missing"}
|
||
|
|
```
|
||
|
|
|
||
|
|
### 7.4 Test avec mauvaise clé (doit échouer)
|
||
|
|
```bash
|
||
|
|
curl -X POST https://web2print.studio-variable.com/generate \
|
||
|
|
-H "Content-Type: application/json" \
|
||
|
|
-H "X-API-Key: wrong-key" \
|
||
|
|
-d '{"html": "<h1>Test</h1>"}'
|
||
|
|
# Doit retourner : {"error":"Invalid API key"}
|
||
|
|
```
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
## Phase 8 : Monitoring et maintenance
|
||
|
|
|
||
|
|
### 8.1 Rotation des logs
|
||
|
|
```bash
|
||
|
|
sudo nano /etc/logrotate.d/web2print
|
||
|
|
```
|
||
|
|
|
||
|
|
Contenu :
|
||
|
|
```
|
||
|
|
/var/www/web2print/logs/*.log {
|
||
|
|
daily
|
||
|
|
rotate 14
|
||
|
|
compress
|
||
|
|
delaycompress
|
||
|
|
notifempty
|
||
|
|
create 0640 www-data www-data
|
||
|
|
sharedscripts
|
||
|
|
}
|
||
|
|
```
|
||
|
|
|
||
|
|
### 8.2 Nettoyage des fichiers temporaires
|
||
|
|
```bash
|
||
|
|
# Créer un script de nettoyage
|
||
|
|
sudo nano /var/www/web2print/cleanup.sh
|
||
|
|
```
|
||
|
|
|
||
|
|
Contenu :
|
||
|
|
```bash
|
||
|
|
#!/bin/bash
|
||
|
|
# Nettoyer les fichiers temporaires de plus de 1 heure
|
||
|
|
find /var/www/web2print/tmp -type f -mmin +60 -delete
|
||
|
|
```
|
||
|
|
|
||
|
|
```bash
|
||
|
|
# Rendre exécutable
|
||
|
|
sudo chmod +x /var/www/web2print/cleanup.sh
|
||
|
|
|
||
|
|
# Ajouter au cron (toutes les heures)
|
||
|
|
sudo crontab -e
|
||
|
|
# Ajouter : 0 * * * * /var/www/web2print/cleanup.sh
|
||
|
|
```
|
||
|
|
|
||
|
|
### 8.3 Surveiller les logs
|
||
|
|
```bash
|
||
|
|
# Logs Apache
|
||
|
|
sudo tail -f /var/www/web2print/logs/apache-error.log
|
||
|
|
|
||
|
|
# Logs applicatifs
|
||
|
|
sudo tail -f /var/www/web2print/logs/app.log
|
||
|
|
```
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
## Phase 9 : Checklist de déploiement
|
||
|
|
|
||
|
|
- [ ] Node.js et npm installés
|
||
|
|
- [ ] Paged.js CLI installé et fonctionnel
|
||
|
|
- [ ] Structure de dossiers créée avec bonnes permissions
|
||
|
|
- [ ] VirtualHost Apache configuré
|
||
|
|
- [ ] SSL/TLS configuré (Let's Encrypt)
|
||
|
|
- [ ] DNS configuré dans Infomaniak
|
||
|
|
- [ ] Tous les fichiers PHP créés
|
||
|
|
- [ ] Chemin `pagedjs_bin` vérifié dans config.php
|
||
|
|
- [ ] Clé API générée et configurée
|
||
|
|
- [ ] Tests d'API réussis (HTML simple + CSS séparé)
|
||
|
|
- [ ] Rotation des logs configurée
|
||
|
|
- [ ] Nettoyage automatique des fichiers temporaires configuré
|
||
|
|
- [ ] Documentation de la clé API sauvegardée en lieu sûr
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
## Phase 10 : Optimisations futures (optionnel)
|
||
|
|
|
||
|
|
### 10.1 Rate limiting
|
||
|
|
Ajouter un système de limitation de requêtes par clé API pour éviter les abus.
|
||
|
|
|
||
|
|
### 10.2 Cache
|
||
|
|
Mettre en cache les PDFs générés si le même HTML est demandé plusieurs fois.
|
||
|
|
|
||
|
|
### 10.3 File d'attente
|
||
|
|
Pour des volumes plus importants, implémenter une file d'attente avec des workers.
|
||
|
|
|
||
|
|
### 10.4 Monitoring avancé
|
||
|
|
- Intégrer un système de monitoring (Prometheus, Grafana)
|
||
|
|
- Alertes sur échecs de génération
|
||
|
|
- Métriques de performance
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
## Ressources et documentation
|
||
|
|
|
||
|
|
- **Paged.js** : https://pagedjs.org/
|
||
|
|
- **Paged.js CLI** : https://gitlab.coko.foundation/pagedjs/pagedjs-cli
|
||
|
|
- **CSS Paged Media** : https://www.w3.org/TR/css-page-3/
|
||
|
|
- **PHP exec()** : https://www.php.net/manual/fr/function.exec.php
|
||
|
|
- **Apache VirtualHost** : https://httpd.apache.org/docs/2.4/vhosts/
|
||
|
|
- **Let's Encrypt** : https://letsencrypt.org/
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
## Support et troubleshooting
|
||
|
|
|
||
|
|
### Erreur : "pagedjs-cli: command not found"
|
||
|
|
```bash
|
||
|
|
# Vérifier l'installation
|
||
|
|
which pagedjs-cli
|
||
|
|
npm list -g pagedjs-cli
|
||
|
|
|
||
|
|
# Réinstaller si nécessaire
|
||
|
|
sudo npm install -g pagedjs-cli --force
|
||
|
|
|
||
|
|
# Si problème de PATH, vérifier où npm installe les binaires
|
||
|
|
npm config get prefix
|
||
|
|
# Les binaires sont dans: <prefix>/bin
|
||
|
|
```
|
||
|
|
|
||
|
|
### Erreur : "Permission denied" lors de la génération
|
||
|
|
```bash
|
||
|
|
# Vérifier les permissions
|
||
|
|
sudo chown -R www-data:www-data /var/www/web2print
|
||
|
|
sudo chmod -R 775 /var/www/web2print/tmp
|
||
|
|
sudo chmod -R 775 /var/www/web2print/logs
|
||
|
|
```
|
||
|
|
|
||
|
|
### PDF vide ou erreur de génération
|
||
|
|
- Vérifier les logs : `/var/www/web2print/logs/app.log`
|
||
|
|
- Tester Paged.js CLI manuellement :
|
||
|
|
```bash
|
||
|
|
echo '<html><body>Test</body></html>' > /tmp/test.html
|
||
|
|
pagedjs-cli /tmp/test.html -o /tmp/test.pdf
|
||
|
|
```
|
||
|
|
- Vérifier que Node.js est à jour (minimum v14)
|
||
|
|
- S'assurer que le HTML contient `<!DOCTYPE html>` et une structure complète
|
||
|
|
|
||
|
|
### Erreur : "Timeout" lors de génération de gros documents
|
||
|
|
- Augmenter `pagedjs_timeout` dans `config.php`
|
||
|
|
- Augmenter `max_execution_time` dans `config.php`
|
||
|
|
- Augmenter le timeout Apache si nécessaire :
|
||
|
|
```bash
|
||
|
|
sudo nano /etc/apache2/apache2.conf
|
||
|
|
# Ajouter/modifier : Timeout 300
|
||
|
|
sudo systemctl restart apache2
|
||
|
|
```
|
||
|
|
|
||
|
|
### Les styles CSS ne sont pas appliqués
|
||
|
|
- Vérifier que le CSS contient les règles `@page` pour Paged.js
|
||
|
|
- S'assurer que les ressources externes (fonts, images) sont accessibles
|
||
|
|
- Tester le HTML directement dans un navigateur avec Paged.js
|
||
|
|
- Exemple de CSS Paged Media basique :
|
||
|
|
```css
|
||
|
|
@page {
|
||
|
|
size: A4;
|
||
|
|
margin: 2cm;
|
||
|
|
}
|
||
|
|
@page :first {
|
||
|
|
margin-top: 3cm;
|
||
|
|
}
|
||
|
|
```
|
||
|
|
|
||
|
|
### Différences de rendu entre front et back
|
||
|
|
- Utiliser exactement la même version de Paged.js (front) et Paged.js CLI (back)
|
||
|
|
- Vérifier la version installée : `npm list -g pagedjs-cli`
|
||
|
|
- Les fonts doivent être identiques (utiliser web fonts ou fonts système communes)
|