I\'m creating an authentication workflow for my android app. I\'m allowing users to sign in with username/password and various OAuth providers. I\'m validating emails and pa
Check your rewrites in firebase.json
, make sure you don't rewrite auth provider url /__/
{
"database": {
"rules": "database.rules.json"
},
"storage": {
"rules": "storage.rules"
},
"hosting": {
"public": "public",
"rewrites": [
{
"source": "!/__/**",
"destination": "/index.html"
},
{
"source": "**/!(*.js|*.html|*.css|*.json|*.svg|*.png|*.jpg|*.jpeg)",
"destination": "/index.html"
}
]
}
}
Also it could be service worker problem. See https://github.com/Polymer/polymer-cli/issues/290