implement login

ki/auth.py

@@ -0,0 +1,32 @@
+import uuid
+import yaml
+
+from app import app, db
+from ki.models import User, Token
+
+
+def auth(username, password):
+    auth_file_path = app.config["KI_DATA_DIR"] + "/auth.yml"
+
+    with open(auth_file_path, "r") as auth_file_stream:
+        users = yaml.safe_load(auth_file_stream)
+
+        if username not in users:
+            return None
+
+        auth_user = users[username]
+
+        if auth_user["password"] != password:
+            return None
+
+        user = User.query.filter(User.auth_id.__eq__(username)).first()
+
+        if user is None:
+            user = User(nickname=username, auth_id=username)
+            db.session.add(user)
+
+        token = Token(token=str(uuid.uuid4()), user=user)
+        db.session.add(token)
+        db.session.commit()
+
+    return token

ki/models.py

@@ -14,15 +14,15 @@ class User(db.Model):
     pronouns = Column(String(25), default="")
     volunteerwork = Column(String(4000), default="")
     freetext = Column(String(4000), default="")
-    created = Column(DateTime, nullable=False)
-    updated = Column(DateTime, onupdate=datetime.now, nullable=False)
-    auth_id = Column(String(50), nullable=False)
+    created = Column(DateTime, nullable=False, default=datetime.now)
+    updated = Column(DateTime, onupdate=datetime.now, nullable=False, default=datetime.now)
+    auth_id = Column(String(50), nullable=False, unique=True)
 
     contacts = relationship("Contact")
     address = relationship("Address", uselist=False, back_populates="user")
     tokens = relationship("Token", uselist=False, back_populates="user")
-    skills = relationship("UserSkill", back_populates="users")
-    languages = relationship("UserLanguage", "users")
+    skills = relationship("UserSkill", back_populates="user")
+    languages = relationship("UserLanguage", back_populates="user")
 
 
 class Token(db.Model):
@@ -75,7 +75,7 @@ class Skill(db.Model):
     id = Column(Integer, primary_key=True)
     name = Column(String(25), unique=True, nullable=False)
 
-    users = relationship("User", back_populates="skills")
+    users = relationship("UserSkill", back_populates="skill")
 
     def to_dict(self):
         return {"id": self.id, "name": self.name}
@@ -98,7 +98,7 @@ class Language(db.Model):
     id = Column(String(2), primary_key=True)
     name = Column(String(25), nullable=False)
 
-    users = relationship("UserLanguage", back_populates="languages")
+    users = relationship("UserLanguage", back_populates="language")
 
     def to_dict(self):
         return {"id": self.id, "name": self.name}

ki/routes.py

@@ -1,6 +1,7 @@
 import os
-from flask import make_response, request, send_file
+from flask import jsonify, make_response, request, send_file
 
+from ki.auth import auth
 from ki.models import Language, Skill
 from app import app
 
@@ -64,6 +65,17 @@ def handle_icon_request(model, id, path):
 def hello_world():
     return "KI"
 
+@app.route("/users/login", methods=["POST"])
+def login():
+    username = request.json.get("username", "") 
+    password = request.json.get("password", "")
+    token = auth(username, password)
+
+    if token is None:
+        return make_response({}, 403)
+
+    return make_response({"token": token.token})
+
 
 @app.route("/skills")
 def get_skills():