diff --git a/main.js b/main.js
new file mode 100644
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--- /dev/null
+++ b/main.js
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+"use strict";
+
+const DATA_KEY = 'pas-data-64a755500efe9b8275422e16f551bc06'
+
+const FIELD_NAMES = [
+    'firstname',
+    'lastname',
+    'birthday',
+    'placeofbirth',
+    'firstname',
+    'birthday',
+    'placeofbirth',
+    'address',
+    'city',
+    'zipcode',
+    'datesortie',
+    'heuresortie'
+];
+
+function get_fields()
+{
+
+    const fields = {};
+    for (let i = 0; i < FIELD_NAMES.length; i++)
+    {
+        let field_id = 'field-' + FIELD_NAMES[i];
+        fields[FIELD_NAMES[i]] = document.getElementById(field_id);
+    }
+    return fields;
+}
+
+function get_checkbox()
+{
+    const checkbox_names = [
+        'travail',
+        'achats',
+        'sante',
+        'famille',
+        'handicap',
+        'sport_animaux',
+        'convocation',
+        'missions',
+        'enfants'
+    ];
+    const checkbox = {};
+    for (let i = 0; i < checkbox_names.length; i++)
+    {
+        let checkbox_id = 'checkbox-' + checkbox_names[i];
+        checkbox[checkbox_names[i]] = document.getElementById(checkbox_id);
+    }
+    return checkbox;
+}
+
+function load_data() {
+    const stored = window.localStorage.getItem(DATA_KEY);
+    if(stored)
+    {
+        return JSON.parse(stored);
+    }
+    else
+    {
+        const data = {
+            'fields': {},
+            'checkbox': []
+        };
+        for (let field in FIELD_NAMES)
+        {
+            data['fields'][FIELD_NAMES[field]] = '';
+        }
+        return data;
+    }
+
+
+}
+
+function save_data(fields, checkbox)
+{
+    console.debug('saving_data')
+    const data = {
+        'fields': {},
+        'checkbox': []
+    };
+    for (let field in fields)
+    {
+        let value = fields[field];
+        data['fields'][field] = value.value;
+    }
+    for (let box_name in checkbox)
+    {
+        let checked = checkbox[box_name].checked;
+        if (checked)
+        {
+            data['checkbox'].push(box_name);
+        }
+    }
+    window.localStorage.setItem(DATA_KEY, JSON.stringify(data));
+    console.debug('data-saved')
+}
+
+function fill_form(fields, checkbox)
+{
+    const data = load_data();
+    const date = new Date();
+    for (let field in fields)
+    {
+        let element = fields[field];
+        if (field === 'datesortie')
+        {
+            const day = date.getDate();
+            const month = date.getMonth() + 1;
+            const year = date.getFullYear();
+            const date_string = year.toString() + '-' + month.toString() + '-' + day.toString();
+            element.value = date_string;
+
+        }
+        else if (field === 'heuresortie')
+        {
+            const hours = date.getHours();
+            const minutes = date.getMinutes();
+            const time_string = hours.toString() + ':' + minutes.toString();
+            element.value = time_string;
+        }
+        else
+        {
+            element.value = data['fields'][field];
+        }
+    }
+
+    for (let box in checkbox)
+    {
+        if(data['checkbox'].includes(box))
+        {
+            checkbox[box].checked = true;
+        }
+        else
+        {
+            checkbox[box].checked = false;
+        }
+    }
+}
+
+function main(main)
+{
+    console.log('starting PAS');
+    console.debug('retrieve fields');
+    const fields = get_fields();
+    console.debug('retrieve checkbox');
+    const checkbox = get_checkbox();
+    console.debug('retrieve generate_button');
+    const generateButton = document.getElementById('generate-btn');
+    console.debug('attach to validation');
+    generateButton.onclick = function(event){save_data(fields, checkbox);}
+    console.debug('trying to fill the form');
+    fill_form(fields, checkbox);
+    console.debug('setup done');
+}
+
+try
+{
+    main();
+}
+catch(error)
+{
+    console.error(error);
+}
diff --git a/manifest.json b/manifest.json
new file mode 100644
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--- /dev/null
+++ b/manifest.json
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+{
+
+  "manifest_version": 2,
+  "name": "PAS",
+  "version": "1.0",
+
+  "description": "Enregistre et préremplis les autorisations de sortie sur le site https://media.interieur.gouv.fr/deplacement-covid-19/ Le code source est siponible a l'adresse: https://git.katzei.fr/meewan/pas",
+
+  "icons": {
+    "48": "media/icon-48.png"
+  },
+
+  "content_scripts": [
+    {
+      "matches": ["https://media.interieur.gouv.fr/deplacement-covid-19/"],
+      "js": ["main.js"]
+    }
+  ]
+
+}
+
diff --git a/media/icon-48.png b/media/icon-48.png
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diff --git a/media/icon.png b/media/icon.png
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diff --git a/packer.sh b/packer.sh
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--- /dev/null
+++ b/packer.sh
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+#/bin/bash
+zip -r -FS ../pas.zip * --exclude *.git* --exclude packer.sh
diff --git a/pas-1.0-an+fx.xpi b/pas-1.0-an+fx.xpi
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