final sample api code with jwt

Author: Harsh0

__pycache__/security.cpython-36.pyc

@@ -0,0 +1,57 @@
+from flask import Flask,request
+from flask_restful import Resource, Api,reqparse
+from flask_jwt import JWT, jwt_required
+
+from security import authenticate,identity
+
+app = Flask(__name__)
+app.secret_key = 'sssshhh.....its a secret'
+api = Api(app)
+
+jwt = JWT(app,authenticate,identity) # /auth
+
+items = []
+
+class Item(Resource):
+    parser =  reqparse.RequestParser()
+    parser.add_argument('price',
+    type=float,
+    required=True,
+    help="This field cannot be left blank"
+    )
+    @jwt_required()
+    def get(self,name):
+        item = next(filter(lambda x:x['name']==name,items),None)
+        return {'item':item},200 if item else 404
+
+    def post(self,name):
+        if next(filter(lambda x:x['name']==name,items),None) is not None:
+            return {'message':'an item with name \'{}\' already exist'.format(name)},400
+        data = Item.parser.parse_args()
+        item = {'name':name,'price':data['price']}
+        items.append(item)
+        return item,201
+
+    def delete(self,name):
+        global items
+        items = list(filter(lambda item:item['name']!=name,items))
+        return {'message':'Item deleted'}
+
+    def put(self,name):
+        data = Item.parser.parse_args()
+        item = next(filter(lambda item:item['name']==name,items),None)
+        if item is None:
+            item = {'name':name,'price':data['price']}
+            items.append(item)
+        else:
+            item.update(data)
+        return item
+
+class ItemList(Resource):
+    def get(self):
+        return {'items':items}
+
+api.add_resource(Item,'/item/<string:name>')
+api.add_resource(ItemList,'/items')
+
+app.run(port=8080,debug=True)

__pycache__/user.cpython-36.pyc

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+from werkzeug.security import safe_str_cmp
+from user import User
+
+users = [
+    User(1,"bob","asdf")
+]
+
+username_mapping = {u.username:u for u in users}
+userid_mapping = {u.id:u for u in users}
+
+def authenticate(username,password):
+    user = username_mapping.get(username,None)
+    if user and safe_str_cmp(user.password,password):
+        return user
+
+def identity(payload):
+    userid = payload['identity']
+    return userid_mapping.get(userid,None)

app.py

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+class User:
+    def __init__(self,_id,username,password):
+        self.id = _id
+        self.username = username
+        self.password = password