带有Firebase的Angular $ http.get

Question

I am trying to access information from my firebase database using the $http service. This is my code:

$http.get("my firebase url").then(function(res) {
    console.log(res);
});

But I am getting a cors error:

XMLHttpRequest cannot load https://console.firebase.google.com/project/...
Redirect from 'https://console.firebase.google.com/project/...' to
'https://accounts.google.com/ServiceLogin?passive=44&osid=1&continue=ht…
owup=https://console.firebase.google.com/project/.../database/data/' 
has been   blocked by CORS policy: No 'Access-Control-Allow-Origin' header is
present on   the requested resource. Origin 'null' is therefore not allowed access.  

I've tried googling the issue but I couldn't find anything that I understood.

Note: I am a firebase and angular noobie.

Answer 1

I hope this helps.

You will need to consider 3 things:
1. On the URL use your FB domain not the console "Ex: https://YOUR_DOMAIN.firebaseio.com/ .."
2. At the end, you will need to extend the url to .json "Ex: ../settings/app .json "
3. And you will need to add the respective rules to allow access:
Ex:

{
    "rules": {
        ".read": "auth != null",
        ".write": "auth != null",
        "settings": {
            "app": {
                ".read": true,
                ".write": false
            }
        }
    }
}

Then you can use your $http, as in my example:

$http.get("https://YOUR_DOMAIN.firebaseio.com/settings/app.json")

Example here : https://jsfiddle.net/moplin/1124204w/