Add proof-of-concept for encryption

controllers/service.py

@@ -12,9 +12,10 @@
 def service_create():
     name = request.form.get('name', '').strip()
     icon = request.form.get('icon', '').strip()
+    encrypted = request.form.get('encrypted', '').strip().lower() in ("1", "true", "yes")
     if not name:
         return jsonify(Error.ARGUMENT_MISSING('name'))
-    srv = Service(name, icon)
+    srv = Service(name, icon, encrypted=encrypted)
     db.session.add(srv)
     db.session.commit()
     return jsonify({"service": srv.as_dict(True)})

database.sql

@@ -55,6 +55,7 @@ DROP TABLE IF EXISTS `service`;
 CREATE TABLE IF NOT EXISTS `pushjet_api`.`service` (
   `id`                INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
   `secret`            VARCHAR(32)      NOT NULL,
+  `encryption_key`    VARCHAR(512)     NOT NULL,
   `public`            VARCHAR(40)      NOT NULL,
   `name`              VARCHAR(255)     NOT NULL,
   `icon`              TEXT                 NULL,

models/service.py

@@ -10,13 +10,18 @@
 class Service(db.Model):
     id = db.Column(INTEGER(unsigned=True), primary_key=True)
     secret = db.Column(db.VARCHAR(32), nullable=False)
+    encryption_key = db.Column(db.VARCHAR(512), nullable=False)
     public = db.Column(db.VARCHAR(40), nullable=False)
     name = db.Column(db.VARCHAR(255), nullable=False)
     icon = db.Column(db.TEXT, nullable=False, default='')
     timestamp_created = db.Column(db.TIMESTAMP, default=datetime.utcnow)
 
-    def __init__(self, name, icon=''):
+    def __init__(self, name, icon='', encrypted=False):
         self.secret = hashlib.sha1(urandom(100)).hexdigest()[:32]
+        if encrypted:
+            self.encryption_key = hashlib.sha1(urandom(100)).hexdigest()[:32]
+        else:
+            self.encryption_key = ""
         self.name = name
         self.icon = icon
         pub = list(hashlib.new('ripemd160', self.secret).hexdigest())[:40]
@@ -51,7 +56,11 @@ def as_dict(self, secret=False):
             "name": self.name,
             "created": int(self.timestamp_created.strftime("%s")),
             "icon": self.icon,
+            "encrypted": True if self.encryption_key else False,
         }
+
         if secret:
             data["secret"] = self.secret
+            data["encryption_key"] = self.encryption_key
+
         return data