From a5b373b8eeddcf5c5091b5bbdd8c189aaf9f970f Mon Sep 17 00:00:00 2001
From: lapineige <lapineige@users.noreply.github.com>
Date: Fri, 13 Oct 2023 16:18:06 +0200
Subject: [PATCH] Create YunohostAppGenerator.py

---
 tools/yunopackage/YunohostAppGenerator.py | 577 ++++++++++++++++++++++
 1 file changed, 577 insertions(+)
 create mode 100644 tools/yunopackage/YunohostAppGenerator.py

diff --git a/tools/yunopackage/YunohostAppGenerator.py b/tools/yunopackage/YunohostAppGenerator.py
new file mode 100644
index 00000000..cdd8536f
--- /dev/null
+++ b/tools/yunopackage/YunohostAppGenerator.py
@@ -0,0 +1,577 @@
+#### Imports
+import jinja2 as j2
+from flask import Flask, render_template, render_template_string, request, redirect, flash, send_file
+from markupsafe import Markup  # No longer imported from Flask
+# Form libraries
+from flask_wtf import FlaskForm
+from wtforms import StringField, RadioField, SelectField, SubmitField, TextAreaField, BooleanField, SelectMultipleField
+from wtforms.validators import DataRequired, InputRequired, Optional, Regexp, URL, Length
+# Markdown to HTML - for debugging purposes
+from misaka import Markdown, HtmlRenderer
+# Managing zipfiles
+import zipfile
+from flask_cors import CORS
+from urllib import parse
+from secrets import token_urlsafe
+
+#### GLOBAL VARIABLES
+YOLOGEN_VERSION = '0.7.5'
+GENERATOR_DICT = {'GENERATOR_VERSION': YOLOGEN_VERSION}
+
+#### Create FLASK and Jinja Environments
+url_prefix = ''
+# url_prefix = '/yunohost-app-generator'
+
+# app = Flask(__name__)
+app = Flask(__name__)  # Blueprint('main', __name__, url_prefix=url_prefix)
+app.config['SECRET_KEY'] = token_urlsafe(16)  # Necessary for the form CORS
+cors = CORS(app)
+
+environment = j2.Environment(loader=j2.FileSystemLoader("templates/"))
+
+
+#### Custom functions
+
+# Define custom filter
+@app.template_filter('render_markdown')
+def render_markdown(text):
+    renderer = HtmlRenderer()
+    markdown = Markdown(renderer)
+    return markdown(text)
+
+
+# Add custom filter
+j2.filters.FILTERS['render_markdown'] = render_markdown
+
+
+# Converting markdown to html
+def markdown_file_to_html_string(file):
+    with open(file, 'r') as file:
+        markdown_content = file.read()
+        # Convert content from Markdown to HTML
+        html_content = render_markdown(markdown_content)
+        # Return Markdown and HTML contents
+        return markdown_content, html_content
+
+
+### Forms
+
+## PHP forms
+class Form_PHP_Config(FlaskForm):
+    php_config_file = SelectField('Type de fichier PHP :', choices=[
+            ('php-fpm.conf', Markup('Fichier de configuration PHP complet <i class="grayed_hint">(php-fpm.conf)</i>')),
+            ('php_extra-fpm.conf',
+             Markup('Fichier de configuration PHP particulier <i class ="grayed_hint">(extra_php-fpm.conf)</i>'))],
+                                  default='php_extra-fpm.conf', validators=[DataRequired()])
+    ## TODO : figure out how to include these comments/title values
+    # 'title': 'Remplace la configuration générée par défaut par un fichier de configuration complet. À éviter si possible.
+    # 'title': "Choisir un fichier permettant un paramétrage d'options complémentaires. C'est généralement recommandé."
+
+    php_config_file_content = TextAreaField("Saisissez le contenu du fichier de configuration PHP :",
+                                            validators=[Optional()],
+                                            render_kw={"class": "form-control",
+                                                       "style": "width: 50%;height:11em;min-height: 5.5em; max-height: 55em;flex-grow: 1;box-sizing: border-box;",
+                                                       "title": "TODO",
+                                                       "placeholder": "; Additional php.ini defines, specific to this pool of workers. \n\nphp_admin_value[upload_max_filesize] = 100M \nphp_admin_value[post_max_size] = 100M"})
+
+
+class Form_PHP(Form_PHP_Config):
+    use_php = BooleanField('Nécessite PHP', default=False)
+
+
+## NodeJS forms
+class Form_NodeJS(FlaskForm):
+    use_nodejs = BooleanField('Nécessite NodeJS', default=False)
+    use_nodejs_version = StringField("Version de NodeJS :",
+                                     render_kw={"placeholder": "20", "class": "form-control",
+                                                "title": "Saisissez la version de NodeJS à installer. Cela peut-être une version majeure (ex: 20) ou plus précise (ex: 20.1)."})  # TODO : this should be validated using a regex, should be only numbers and any (≥0) number of dots in between
+    use_nodejs_needs_yarn = BooleanField('Nécessite Yarn', default=False, render_kw={
+            "title": "Faut-il installer automatiquement Yarn ? Cela configurera les dépôts spécifiques à Yarn."})
+
+
+## Python forms
+
+class Form_Python(FlaskForm):
+    use_python = BooleanField('Nécessite Python',
+                              default=False)  ## TODO -> python3, python3-pip, python3-ven dependencies by default
+    python_dependencies_type = SelectField('Configuration des dépendances Python :', choices=[
+            ('requirements.txt', Markup('Fichier <i>requirements.txt</i>')),
+            ('manual_list', 'Liste manuelle')],
+                                           default='requirements.txt', validators=[DataRequired(), Optional()])
+    python_requirements = TextAreaField("La liste de dépendances inclue dans le fichier requirements.txt :",
+                                        render_kw={"class": "form-control",
+                                                   "style": "width: 50%;height:5.5em;min-height: 5.5em; max-height: 55em;flex-grow: 1;box-sizing: border-box;",
+                                                   "title": "Lister les dépendances à installer, une par ligne, avec un numéro de version derrière.\nEx: 'dépendance==1.0'.",
+                                                   "placeholder": "tensorflow==2.3.1 \nuvicorn==0.12.2 \nfastapi==0.63.0"})
+    python_dependencies_list = StringField("Liste de dépendances python :",
+                                           render_kw={"placeholder": "tensorflow uvicorn fastapi",
+                                                      "class": "form-control",
+                                                      "title": "Lister les dépendances à installer, séparées d'un espace."})
+
+
+## Manifest form
+# Dependencies form
+class DependenciesForm(FlaskForm):
+    auto_update = BooleanField("Activer le robot de mise à jour automatiques  :", default=False,
+                               render_kw={
+                                       "title": "Si le logiciel est disponible sur github et publie des releases ou des tags pour ses nouvelles versions, un robot proposera automatiquement des mises à jours."})
+
+    ## TODO
+    # These infos are used by https://github.com/YunoHost/apps/blob/master/tools/autoupdate_app_sources/autoupdate_app_sources.py
+    # to auto-update the previous asset urls and sha256sum + manifest version
+    # assuming the upstream's code repo is on github and relies on tags or releases
+    # See the 'sources' resource documentation for more details
+
+    # autoupdate.strategy = "latest_github_tag"
+
+    dependencies = StringField("Dépendances de l'application (liste des paquets apt) à installer :",
+                               render_kw={"placeholder": "foo foo2.1-ext somerandomdep", "class": "form-control",
+                                          "title": "Lister les paquets dont dépend l'application, séparés par un espace."})
+
+    use_db = SelectField("Configurer une base de données :", choices=[
+            ('false', "Non"),
+            ('mysql', "MySQL/MariaDB"),
+            ('postgresql', "PostgreSQL")],
+                         default='false',
+                         render_kw={"title": "L'application nécessite-t-elle une base de données ?"})
+
+
+# manifest
+class manifestForm(DependenciesForm):
+    version = StringField('Version', validators=[Regexp('\d{1,4}.\d{1,4}(.\d{1,4})?(.\d{1,4})?~ynh\d+')],
+                          render_kw={"class": "form-control",
+                                     "placeholder": "1.0~ynh1"})
+    description_en = TextAreaField("Description en quelques lignes de l'application, en anglais :",
+                                   validators=[DataRequired()],
+                                   render_kw={"class": "form-control", "style": "resize: none;",
+                                              "title": "Explain in *a few (10~15) words* the purpose of the app \\"
+                                                       "or what it actually does (it is meant to give a rough idea to users browsing a catalog of 100+ apps)"})
+    description_fr = TextAreaField("Description en quelques lignes de l'application :", validators=[DataRequired()],
+                                   render_kw={"class": "form-control", "style": "resize: none;",
+                                              "title": "Expliquez en *quelques* (10~15) mots l'utilité de l'app \\"
+                                                       "ou ce qu'elle fait (l'objectif est de donner une idée grossière pour des utilisateurs qui naviguent dans un catalogue de 100+ apps)"})
+
+    # TODO : handle multiple names separated by commas (.split(',') ?
+    maintainers = StringField('Mainteneurs et mainteneuses', render_kw={"class": "form-control",
+                                                                        "placeholder": "Généralement vous mettez votre nom ici… Si vous êtes d'accord ;)"})  # TODO : Usually you put your name here… if you like ;)
+    architectures = SelectMultipleField('Architectures supportées :', choices=[
+            ('all', 'Toutes les architectures'),
+            ('amd64', 'amd64'),
+            ('arm64', 'arm64'),
+            ('i386', 'i386'),
+            ('todo', 'TODO : list more architectures')],
+                                        default=['all'], validators=[DataRequired()])
+    yunohost_required_version = StringField('Mainteneurs et mainteneuses', render_kw={"class": "form-control",
+                                                                                      "placeholder": "11.1.21",
+                                                                                      "title": "Version minimale de Yunohost pour que l'application fonctionne."})
+
+    multi_instance = BooleanField("Application multi-instance", default=False,
+                                  render_kw={"class": "",
+                                             "title": "Peux-t-on installer simultannément plusieurs fois l'application sur un même serveur ?"})
+
+    ldap = SelectField('Integrate with LDAP (user can login using Yunohost credentials :', choices=[
+            ('false', 'False'),
+            ('true', 'True'),
+            ('not_relevant', 'Not relevant')], default='not_relevant', validators=[DataRequired()], render_kw={
+            "title": """Not to confuse with the "sso" key: the "ldap" key corresponds to wether or not a user *can* login on the app using its YunoHost credentials."""})
+    sso = SelectField('Integrate with Yunohost SingleSignOn (SSO) :', choices=[
+            ('false', 'False'),
+            ('true', 'True'),
+            ('not_relevant', 'Not relevant')], default='not_relevant', validators=[DataRequired()], render_kw={
+            "title": """Not to confuse with the "ldap" key: the "sso" key corresponds to wether or not a user is *automatically logged-in* on the app when logged-in on the YunoHost portal."""})
+
+    license = StringField('Licence', validators=[DataRequired()], render_kw={"class": "form-control",
+                                                                             "placeholder": "GPL"})
+
+    website = StringField('Site web', validators=[URL(), Optional()], render_kw={"class": "form-control",
+                                                                                 "placeholder": "https://awesome-app-website.com"})
+    demo = StringField('Site de démonstration', validators=[URL(), Optional()], render_kw={"class": "form-control",
+                                                                                           "placeholder": "https://awesome-app-website.com/demo"})
+    admindoc = StringField("Documentation d'aministration", validators=[URL(), Optional()],
+                           render_kw={"class": "form-control",
+                                      "placeholder": "https://awesome-app-website.com/doc/admin"})
+    userdoc = StringField("Documentation d'utilisation", validators=[URL(), Optional()],
+                          render_kw={"class": "form-control",
+                                     "placeholder": "https://awesome-app-website.com/doc/user"})
+    code = StringField('Dépôt de code', validators=[URL(), Optional()], render_kw={"class": "form-control",
+                                                                                   "placeholder": "https://awesome-app-website.com/get-the-code"})
+
+    data_dir = BooleanField("L'application nécessite un répertoire dédié pour ses données", default=False,
+                            render_kw={"title": "Faut-il créer un répertoire /home/yunohost.app/votreApplication ?"})
+    data_subdirs = StringField('Si nécessaire, lister les sous-répertoires à configurer :',
+                               validators=[Optional()], render_kw={"class": "form-control",
+                                                                   "placeholder": "data, uploads, themes"})
+    use_whole_domain = BooleanField("L'application nécessite d'utiliser tout un domaine (installation à la racine) :",
+                                    default=False,
+                                    render_kw={
+                                            "title": "Doit-on installer l'application à la racine du domaine ? Sinon, on pourra l'installer dans un sous-dossier, par exemple /mon_app."})
+    supports_change_url = BooleanField(
+            "L'application autorise le changement d'adresse (changement de domaine ou de chemin)", default=True,
+            render_kw={"title": "Faut-il permettre le changement d'URL pour l'application ? (fichier change_url)"})
+
+    needs_admin = BooleanField("L'application nécessite de configurer un compte d'administration :", default=False,
+                               render_kw={"class": "",
+                                          "title": "Faut-il configurer un compte admin à l'installation ?"})
+
+    # admin_password_help_message = BooleanField("TODO  :", default=False,
+    #                           render_kw={"class": "",
+    #                                      "title": "TODO"})
+
+    language = SelectMultipleField('Langues supportées :', choices=[
+            ('en', 'English'),
+            ('fr', 'Français'),
+            ('en', 'Spanish'),
+            ('it', 'Italian'),
+            ('de', 'German'),
+            ('zh', 'Chinese'),
+            ('jp', 'Japanese'),
+            ('da', 'Danish'),
+            ('pt', 'Portugese'),
+            ('nl', 'Dutch'),
+            ('ru', 'Russian')],
+                                   default=['en'], validators=[DataRequired()])
+
+    default_language = SelectField('Langues par défaut :', choices=[
+            ('en', 'English'),
+            ('fr', 'Français'),
+            ('en', 'Spanish'),
+            ('it', 'Italian'),
+            ('zh', 'Chinese'),
+            ('jp', 'Japanese'),
+            ('da', 'Danish'),
+            ('pt', 'Portugese'),
+            ('nl', 'Dutch'),
+            ('ru', 'Russian')],
+                                   default=['en'])
+
+    visibility = RadioField("Visibilité de l'application :", choices=[
+            ('admin', "Administrateur/administratrice uniquement"),
+            ('all_users', "Personnes connectées"),
+            ('visitors', "Publique")],
+                            default='all_users', validators=[DataRequired()])
+
+    source_url = StringField("Code source ou exécutable de l'application", validators=[DataRequired(), URL()],
+                             render_kw={"class": "form-control",
+                                        "placeholder": "https://github.com/foo/bar/archive/refs/tags/v1.2.3.tar.gz"})  # Application source code URL
+    sha256sum = StringField('Empreinte du code source (format sha256sum)',
+                            validators=[DataRequired(), Length(min=64, max=64)],
+                            render_kw={"class": "form-control",
+                                       "placeholder": "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
+                                       "title": "Sha256sum of the archive. Should be 64 characters-long."})  # Source code hash (sha256sum format)
+
+
+## Main form
+
+class appGeneratorForm(manifestForm, DependenciesForm, Form_PHP, Form_NodeJS, Form_Python):
+    app_name = StringField("Nom de l'application :", validators=[DataRequired()],
+                           render_kw={"placeholder": "My Great App", "class": "form-control",
+                                      "title": "Définir le nom de l'application, affiché dans l'interface"})
+    app_id = StringField(
+            Markup(
+                    """Identifiant (id) de l'application <i class="grayed_hint">(en minuscule et sans espaces)</i> :"""),
+            validators=[DataRequired(), Regexp("[a-z_1-9]+.*(?<!_ynh)$")],
+            render_kw={"placeholder": "yunohost_awesome_app", "class": "form-control",
+                       "title": "Définir l'identifiant de l'application, utilisé pour le nom du dépôt Github"})
+
+    tutorial = SelectField("Type d'application :", choices=[
+            ('false', "Version épurée"),
+            ('true', "Version tutoriel")],
+                           default='true', validators=[DataRequired()])
+
+    use_logrotate = BooleanField("Utiliser logrotate pour gérer les journaux :", default=True,
+                                 render_kw={
+                                         "title": "Si l'application genère des journaux (log), cette option permet d'en gérer l'archivage. Recommandé."})
+    # TODO : specify custom log file
+    # custom_log_file = "/var/log/$app/$app.log" "/var/log/nginx/${domain}-error.log"
+    use_fail2ban = BooleanField("Protéger l'application des attaques par force brute (via fail2ban) :", default=True,
+                                render_kw={
+                                        "title": "Si l'application genère des journaux (log) d'erreurs de connexion, cette option permet de bannir automatiquement les IP au bout d'un certain nombre d'essais de mot de passe. Recommandé."})
+    use_cron = BooleanField("Ajouter une tâche CRON pour cette application :", default=False,
+                            render_kw={
+                                    "title": "Créer une tâche cron pour gérer des opérations périodiques de l'application."})
+    cron_config_file = TextAreaField("Saisissez le contenu du fichier CRON :",
+                                     validators=[Optional()],
+                                     render_kw={"class": "form-control",
+                                                "style": "width: 50%;height:22em;min-height: 5.5em; max-height: 55em;flex-grow: 1;box-sizing: border-box;",
+                                                "title": "Saisir le contenu du fichier de la tâche CRON."})
+
+    fail2ban_regex = StringField("Expression régulière pour fail2ban :",
+                                 # Regex to match into the log for a failed login
+                                 validators=[Optional()],
+                                 render_kw={"placeholder": "A regular expression",
+                                            "class": "form-control",
+                                            "title": "Expression régulière à vérifier dans le journal pour que fail2ban s'active (cherchez une ligne qui indique une erreur d'identifiants deconnexion)."})
+
+    nginx_config_file = TextAreaField("Saisissez le contenu du fichier de configuration du serveur NGINX :",
+                                      validators=[Optional()],
+                                      render_kw={"class": "form-control",
+                                                 "style": "width: 50%;height:22em;min-height: 5.5em; max-height: 55em;flex-grow: 1;box-sizing: border-box;",
+                                                 "title": "Saisir le contenu du fichier de configuration du serveur NGINX.",
+                                                 "placeholder": "location __PATH__/ {\n    \n    proxy_pass       http://127.0.0.1:__PORT__;\n    proxy_set_header X-Real-IP $remote_addr;\n    proxy_set_header Host $host;\n    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n    \n    # Include SSOWAT user panel.\n    include conf.d/yunohost_panel.conf.inc;\n    }"})
+
+    use_systemd_service = BooleanField(
+            "Utiliser un service système (via systemd) pour gérer le fonctionnement de l'application  :", default=False,
+            render_kw={
+                    "title": "Un service systemd s'occupera de démarrer l'application avec le système, et permettra de l'arrêter ou la redémarrer. Recommandé."})
+    systemd_config_file = TextAreaField("Saisissez le contenu du fichier de configuration du service SystemD :",
+                                        validators=[Optional()],
+                                        render_kw={"class": "form-control",
+                                                   "style": "width: 50%;height:22em;min-height: 5.5em; max-height: 55em;flex-grow: 1;box-sizing: border-box;",
+                                                   "title": "Saisir le contenu du fichier de configuration du service systemd."})
+    systemd_service_description = StringField("Description du service de l'application :",
+                                              validators=[Optional()],
+                                              render_kw={"placeholder": "A short description of the app",
+                                                         "class": "form-control",
+                                                         "style": "width: 30%;",
+                                                         "title": "Décrire en une ligne ce que fait ce service. Ceci sera affiché dans l'interface d'administration."})
+
+    use_custom_config_file = BooleanField(
+            "Utiliser un fichier de configuration personnalisé  :", default=False,
+            render_kw={
+                    "title": "Est-ce que l'application nécessite un fichier de configuration personnalisé ? (du type .env, config.json, parameters.yaml, …)"})
+    custom_config_file = StringField("Nom du fichier à utiliser :",
+                                     validators=[Optional()],
+                                     render_kw={"placeholder": "config.json",
+                                                "class": "form-control",
+                                                "style": "width: 30%;",
+                                                "title": "Décrire en une ligne ce que fait ce service. Ceci sera affiché dans l'interface d'administration."})
+
+    custom_config_file_content = TextAreaField("Saisissez le contenu du fichier de configuration personnalisé :",
+                                               validators=[Optional()],
+                                               render_kw={"class": "form-control",
+                                                          "style": "width: 50%;height:22em;min-height: 5.5em; max-height: 55em;flex-grow: 1;box-sizing: border-box;",
+                                                          "title": "Saisir le contenu du fichier de configuration personnalisé."})
+
+    needs_exposed_ports = StringField("Nom de l'application :", validators=[Optional(), Regexp('([0-9]+,)+([0-9]+)?')],
+                                      # TODO : add this in the HTML
+                                      render_kw={"placeholder": "5000, ", "class": "form-control",
+                                                 "title": "Liste de ports à ouvrir publiquement, séparés par des virgules. NE PAS ACTIVER si le port est uniquement utilisé en interne ou disponible via le reverse-proxy de Nginx."})
+
+    submit = SubmitField('Soumettre')
+
+
+#### Retriving templates
+
+parameters = dict(GENERATOR_DICT)
+
+template_manifest = environment.get_template("manifest.j2")
+manifest = dict(GENERATOR_DICT)
+
+template_install = environment.get_template("install.j2")
+install = dict(GENERATOR_DICT)
+
+
+#### Initialising variables
+
+
+#### Web pages
+
+@app.route(url_prefix + "/", methods=['GET', 'POST'])
+def main_form():
+    if not 'appGeneratorForm' in locals():
+        main_form = appGeneratorForm()
+
+    if request.method == "POST":
+        result = request.form
+        results = dict(result)
+        # print("[DEBUG] This is a POST request")
+        # print(results)
+        for key, value in results.items():
+            parameters[key] = value
+        parameters["preview"] = True
+        # print(install)
+        if main_form.validate_on_submit():
+            parameters["invalid_form"] = False
+            print()
+            print('formulaire valide')
+            # print(main_form.data.items())
+
+            for key, value in main_form.data.items():
+                parameters[key] = value  # TODO change the name
+
+            templates = (
+                    'templates/manifest.j2', 'templates/install.j2', 'templates/remove.j2', 'templates/backup.j2',
+                    'templates/restore.j2', 'templates/upgrade.j2', 'templates/config.j2', 'templates/change_url.j2',
+                    'templates/_common.sh.j2')
+            markdown_to_html = dict()
+            for template in templates:
+                markdown_content, html_content = markdown_file_to_html_string(template)
+                template_key = template.split('templates/')[1].split('.j2')[
+                    0]  # Let's retrieve what's the exact template used
+                markdown_to_html[template_key] = {"markdown_content": markdown_content,
+                                                  "html_content": html_content}
+                # print(markdown_to_html["markdown_content"])
+                # print(markdown_to_html["html_content"])
+
+            ## Prepare the file contents for the download button
+            # print(markdown_to_html['manifest']['markdown_content'])
+
+            # Workaround so /download_zip can access the content - FIXME ?
+            global template_manifest_content
+            global template_install_content
+            global template_remove_content
+            global template_backup_content
+            global template_restore_content
+            global template_upgrade_content
+            global template_config_content
+            global template_change_url_content
+            global template_common_sh_content
+            global custom_config_file
+            global nginx_config_file
+            global systemd_config_file
+            global cron_config_file
+
+            template_manifest_content = render_template_string(markdown_to_html['manifest']['markdown_content'],
+                                                               parameters=parameters,
+                                                               main_form=main_form)
+
+            template_install_content = render_template_string(markdown_to_html['install']['markdown_content'],
+                                                              parameters=parameters, main_form=main_form,
+                                                              markdown_to_html=markdown_to_html['install'])
+
+            template_remove_content = render_template_string(markdown_to_html['remove']['markdown_content'],
+                                                             parameters=parameters, main_form=main_form,
+                                                             markdown_to_html=markdown_to_html['remove'])
+
+            template_backup_content = render_template_string(markdown_to_html['backup']['markdown_content'],
+                                                             parameters=parameters, main_form=main_form,
+                                                             markdown_to_html=markdown_to_html['backup'])
+
+            template_restore_content = render_template_string(markdown_to_html['restore']['markdown_content'],
+                                                              parameters=parameters, main_form=main_form,
+                                                              markdown_to_html=markdown_to_html['restore'])
+
+            template_upgrade_content = render_template_string(markdown_to_html['upgrade']['markdown_content'],
+                                                              parameters=parameters, main_form=main_form,
+                                                              markdown_to_html=markdown_to_html['upgrade'])
+
+            template_config_content = render_template_string(markdown_to_html['config']['markdown_content'],
+                                                             parameters=parameters, main_form=main_form,
+                                                             markdown_to_html=markdown_to_html['config'])
+
+            template_common_sh_content = render_template_string(markdown_to_html['_common.sh']['markdown_content'],
+                                                                parameters=parameters, main_form=main_form,
+                                                                markdown_to_html=markdown_to_html['_common.sh'])
+
+            if parameters['supports_change_url']:
+                template_change_url_content = render_template_string(markdown_to_html['change_url']['markdown_content'],
+                                                                     parameters=parameters, main_form=main_form,
+                                                                     markdown_to_html=markdown_to_html['change_url'])
+            else:
+                template_change_url_content = False
+
+            print(parameters['custom_config_file'])
+            print(parameters['use_custom_config_file'])
+            return render_template('index.html', parameters=parameters, main_form=main_form,
+                                   markdown_to_html=markdown_to_html,
+                                   template_manifest_content=template_manifest_content,
+                                   template_install_content=template_install_content,
+                                   template_remove_content=template_remove_content,
+                                   template_backup_content=template_backup_content,
+                                   template_restore_content=template_restore_content,
+                                   template_upgrade_content=template_upgrade_content,
+                                   template_config_content=template_config_content,
+                                   template_change_url_content=template_change_url_content,
+                                   template_common_sh_content=template_common_sh_content,
+                                   nginx_config_file=parameters['nginx_config_file'],
+                                   systemd_config_file=parameters['systemd_config_file'],
+                                   custom_config_file=parameters['custom_config_file'],
+                                   cron_config_file=parameters['cron_config_file'], url_prefix=url_prefix)
+        else:
+            print("[DEBUG] Formulaire invalide: ", main_form.errors)
+            parameters["preview"] = False
+            parameters["invalid_form"] = True
+
+    elif request.method == "GET":
+        parameters["preview"] = False
+
+    return render_template('index.html', parameters=install, main_form=main_form, url_prefix=url_prefix)
+
+
+@app.route("/install")
+def install_page():
+    return render_template(template_install, parameters=install)
+
+
+@app.route('/generator', methods=('GET', 'POST'))
+def create():
+    if request.method == 'POST':
+        title = request.form['title']
+        content = request.form['content']
+
+        if not title:
+            flash('Title is required!')
+        elif not content:
+            flash('Content is required!')
+        else:
+            install.append({'title': title, 'content': content})
+            return redirect('/')
+    return render_template('form.html')
+
+
+@app.route('/download_zip', methods=('GET', 'POST'))
+def telecharger_zip():
+    # Retrieve arguments
+    print("Génération du .zip")
+    app_id = request.args.get('app_id')
+    print("Génération du .zip pour " + app_id)
+
+    custom_config_file = parse.unquote(request.args.get('custom_config_file'))
+    custom_config_file_content = parse.unquote(request.args.get('custom_config_file_content'))
+    systemd_config_file = parse.unquote(request.args.get('systemd_config_file'))
+    nginx_config_file = parse.unquote(request.args.get('nginx_config_file'))
+    cron_config_file = parse.unquote(request.args.get('cron_config_file'))
+
+    global template_manifest_content
+    global template_install_content
+    global template_remove_content
+    global template_backup_content
+    global template_restore_content
+    global template_upgrade_content
+    global template_config_content
+    global template_change_url_content
+    global template_common_sh_content
+
+    # global custom_config_file
+
+    use_php = request.args.get('use_php')
+    print("PHP")
+    print(use_php)
+    php_config_file = parse.unquote(request.args.get('php_config_file'))
+    php_config_file_content = parse.unquote(request.args.get('php_config_file_content'))
+
+    archive_name = app_id + '.zip'  # Actually it's the javascript that decide of the filename… this is only an internal name
+
+    # Generate the zip file (will be stored in the working directory)
+    with zipfile.ZipFile(archive_name, 'w') as zf:
+        # Add text in directly in the ZIP, as a file
+        zf.writestr('manifest.toml', template_manifest_content)
+        zf.writestr('scripts/install', template_install_content)
+        zf.writestr('scripts/remove', template_remove_content)
+        zf.writestr('scripts/backup', template_backup_content)
+        zf.writestr('scripts/restore', template_restore_content)
+        zf.writestr('scripts/upgrade', template_upgrade_content)
+        zf.writestr('scripts/_common_sh', template_common_sh_content)
+
+        if template_config_content:
+            zf.writestr('scripts/config', template_config_content)
+        if template_change_url_content:
+            zf.writestr('scripts/change_url', template_change_url_content)
+        if custom_config_file:
+            zf.writestr('conf/' + custom_config_file, custom_config_file_content)
+        if systemd_config_file:
+            zf.writestr('conf/systemd.service', systemd_config_file)
+        if nginx_config_file:
+            zf.writestr('conf/nginx.conf', nginx_config_file)
+        if cron_config_file:
+            zf.writestr('conf/task.conf', cron_config_file)
+        if use_php == "True":
+            zf.writestr('conf/' + php_config_file, php_config_file_content)
+
+    # Send the zip file to the user
+    return send_file(archive_name, as_attachment=True)
+
+
+#### Running the web server
+if __name__ == "__main__":
+    app.run(debug=True)