discourse/spec/components/auth/default_current_user_provid...

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require 'rails_helper'
require_dependency 'auth/default_current_user_provider'
describe Auth::DefaultCurrentUserProvider do
class TestProvider < Auth::DefaultCurrentUserProvider
attr_reader :env
def initialize(env)
super(env)
end
end
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def provider(url, opts = nil)
opts ||= { method: "GET" }
env = Rack::MockRequest.env_for(url, opts)
TestProvider.new(env)
end
it "can be used to pretend that a user doesn't exist" do
provider = TestProvider.new({})
expect(provider.current_user).to eq(nil)
end
context "server api" do
it "raises errors for incorrect api_key" do
expect {
provider("/?api_key=INCORRECT").current_user
}.to raise_error(Discourse::InvalidAccess, /API username or key is invalid/)
end
it "finds a user for a correct per-user api key" do
user = Fabricate(:user)
ApiKey.create!(key: "hello", user_id: user.id, created_by_id: -1)
expect(provider("/?api_key=hello").current_user.id).to eq(user.id)
user.update_columns(active: false)
expect {
provider("/?api_key=hello").current_user
}.to raise_error(Discourse::InvalidAccess)
user.update_columns(active: true, suspended_till: 1.day.from_now)
expect {
provider("/?api_key=hello").current_user
}.to raise_error(Discourse::InvalidAccess)
end
it "raises for a user pretending" do
user = Fabricate(:user)
user2 = Fabricate(:user)
ApiKey.create!(key: "hello", user_id: user.id, created_by_id: -1)
expect {
provider("/?api_key=hello&api_username=#{user2.username.downcase}").current_user
}.to raise_error(Discourse::InvalidAccess)
end
it "raises for a user with a mismatching ip" do
user = Fabricate(:user)
ApiKey.create!(key: "hello", user_id: user.id, created_by_id: -1, allowed_ips: ['10.0.0.0/24'])
expect {
provider("/?api_key=hello&api_username=#{user.username.downcase}", "REMOTE_ADDR" => "10.1.0.1").current_user
}.to raise_error(Discourse::InvalidAccess)
end
it "allows a user with a matching ip" do
user = Fabricate(:user)
ApiKey.create!(key: "hello", user_id: user.id, created_by_id: -1, allowed_ips: ['100.0.0.0/24'])
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found_user = provider("/?api_key=hello&api_username=#{user.username.downcase}",
"REMOTE_ADDR" => "100.0.0.22").current_user
expect(found_user.id).to eq(user.id)
found_user = provider("/?api_key=hello&api_username=#{user.username.downcase}",
"HTTP_X_FORWARDED_FOR" => "10.1.1.1, 100.0.0.22").current_user
expect(found_user.id).to eq(user.id)
end
it "finds a user for a correct system api key" do
user = Fabricate(:user)
ApiKey.create!(key: "hello", created_by_id: -1)
expect(provider("/?api_key=hello&api_username=#{user.username.downcase}").current_user.id).to eq(user.id)
end
it "finds a user for a correct system api key with external id" do
user = Fabricate(:user)
ApiKey.create!(key: "hello", created_by_id: -1)
SingleSignOnRecord.create(user_id: user.id, external_id: "abc", last_payload: '')
expect(provider("/?api_key=hello&api_user_external_id=abc").current_user.id).to eq(user.id)
end
it "finds a user for a correct system api key with id" do
user = Fabricate(:user)
ApiKey.create!(key: "hello", created_by_id: -1)
expect(provider("/?api_key=hello&api_user_id=#{user.id}").current_user.id).to eq(user.id)
end
context "rate limiting" do
before do
RateLimiter.enable
end
after do
RateLimiter.disable
end
it "rate limits api requests per api key" do
global_setting :max_admin_api_reqs_per_key_per_minute, 3
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freeze_time
user = Fabricate(:user)
key = SecureRandom.hex
api_key = ApiKey.create!(key: key, created_by_id: -1)
provider("/?api_key=#{key}&api_username=#{user.username.downcase}").current_user
provider("/?api_key=#{key}&api_username=system").current_user
provider("/?api_key=#{key}&api_username=#{user.username.downcase}").current_user
expect do
provider("/?api_key=#{key}&api_username=system").current_user
end.to raise_error(RateLimiter::LimitExceeded)
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freeze_time 59.seconds.from_now
expect do
provider("/?api_key=#{key}&api_username=system").current_user
end.to raise_error(RateLimiter::LimitExceeded)
freeze_time 2.seconds.from_now
# 1 minute elapsed
provider("/?api_key=#{key}&api_username=system").current_user
# should not rake limit a random key
api_key.destroy
key = SecureRandom.hex
ApiKey.create!(key: key, created_by_id: -1)
provider("/?api_key=#{key}&api_username=#{user.username.downcase}").current_user
end
end
end
it "should not update last seen for ajax calls without Discourse-Visible header" do
expect(provider("/topic/anything/goes",
:method => "POST",
"HTTP_X_REQUESTED_WITH" => "XMLHttpRequest"
).should_update_last_seen?).to eq(false)
end
it "should update ajax reqs with discourse visible" do
expect(provider("/topic/anything/goes",
:method => "POST",
"HTTP_X_REQUESTED_WITH" => "XMLHttpRequest",
"HTTP_DISCOURSE_VISIBLE" => "true"
).should_update_last_seen?).to eq(true)
end
it "should update last seen for non ajax" do
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expect(provider("/topic/anything/goes", method: "POST").should_update_last_seen?).to eq(true)
expect(provider("/topic/anything/goes", method: "GET").should_update_last_seen?).to eq(true)
end
it "correctly supports legacy tokens" do
user = Fabricate(:user)
token = SecureRandom.hex(16)
user_token = UserAuthToken.create!(user_id: user.id, auth_token: token,
prev_auth_token: token, legacy: true,
rotated_at: Time.zone.now
)
prov = provider("/", "HTTP_COOKIE" => "_t=#{user_token.auth_token}")
expect(prov.current_user.id).to eq(user.id)
# sets a new token up cause it got a global token
cookies = {}
prov.refresh_session(user, {}, cookies)
user.reload
expect(user.user_auth_tokens.count).to eq(2)
expect(cookies["_t"][:value]).not_to eq(token)
end
it "correctly rotates tokens" do
SiteSetting.maximum_session_age = 3
user = Fabricate(:user)
@provider = provider('/')
cookies = {}
@provider.log_on_user(user, {}, cookies)
unhashed_token = cookies["_t"][:value]
token = UserAuthToken.find_by(user_id: user.id)
expect(token.auth_token_seen).to eq(false)
expect(token.auth_token).not_to eq(unhashed_token)
expect(token.auth_token).to eq(UserAuthToken.hash_token(unhashed_token))
# at this point we are going to try to rotate token
freeze_time 20.minutes.from_now
provider2 = provider("/", "HTTP_COOKIE" => "_t=#{unhashed_token}")
provider2.current_user
token.reload
expect(token.auth_token_seen).to eq(true)
cookies = {}
provider2.refresh_session(user, {}, cookies)
expect(cookies["_t"][:value]).not_to eq(unhashed_token)
token.reload
expect(token.auth_token_seen).to eq(false)
freeze_time 21.minutes.from_now
old_token = token.prev_auth_token
unverified_token = token.auth_token
# old token should still work
provider2 = provider("/", "HTTP_COOKIE" => "_t=#{unhashed_token}")
expect(provider2.current_user.id).to eq(user.id)
provider2.refresh_session(user, {}, cookies)
token.reload
# because this should cause a rotation since we can safely
# assume it never reached the client
expect(token.prev_auth_token).to eq(old_token)
expect(token.auth_token).not_to eq(unverified_token)
end
context "rate limiting" do
before do
RateLimiter.enable
end
after do
RateLimiter.disable
end
it "can only try 10 bad cookies a minute" do
user = Fabricate(:user)
token = UserAuthToken.generate!(user_id: user.id)
provider('/').log_on_user(user, {}, {})
RateLimiter.new(nil, "cookie_auth_10.0.0.1", 10, 60).clear!
RateLimiter.new(nil, "cookie_auth_10.0.0.2", 10, 60).clear!
ip = "10.0.0.1"
env = { "HTTP_COOKIE" => "_t=#{SecureRandom.hex}", "REMOTE_ADDR" => ip }
10.times do
provider('/', env).current_user
end
expect {
provider('/', env).current_user
}.to raise_error(Discourse::InvalidAccess)
expect {
env["HTTP_COOKIE"] = "_t=#{token.unhashed_auth_token}"
provider("/", env).current_user
}.to raise_error(Discourse::InvalidAccess)
env["REMOTE_ADDR"] = "10.0.0.2"
expect {
provider('/', env).current_user
}.not_to raise_error
end
end
it "correctly removes invalid cookies" do
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cookies = { "_t" => SecureRandom.hex }
provider('/').refresh_session(nil, {}, cookies)
expect(cookies.key?("_t")).to eq(false)
end
it "logging on user always creates a new token" do
user = Fabricate(:user)
provider('/').log_on_user(user, {}, {})
provider('/').log_on_user(user, {}, {})
expect(UserAuthToken.where(user_id: user.id).count).to eq(2)
end
it "sets secure, same site lax cookies" do
SiteSetting.force_https = false
SiteSetting.same_site_cookies = "Lax"
user = Fabricate(:user)
cookies = {}
provider('/').log_on_user(user, {}, cookies)
expect(cookies["_t"][:same_site]).to eq("Lax")
expect(cookies["_t"][:httponly]).to eq(true)
expect(cookies["_t"][:secure]).to eq(false)
SiteSetting.force_https = true
SiteSetting.same_site_cookies = "Disabled"
cookies = {}
provider('/').log_on_user(user, {}, cookies)
expect(cookies["_t"][:secure]).to eq(true)
expect(cookies["_t"].key?(:same_site)).to eq(false)
end
it "correctly expires session" do
SiteSetting.maximum_session_age = 2
user = Fabricate(:user)
token = UserAuthToken.generate!(user_id: user.id)
provider('/').log_on_user(user, {}, {})
expect(provider("/", "HTTP_COOKIE" => "_t=#{token.unhashed_auth_token}").current_user.id).to eq(user.id)
freeze_time 3.hours.from_now
expect(provider("/", "HTTP_COOKIE" => "_t=#{token.unhashed_auth_token}").current_user).to eq(nil)
end
context "user api" do
let :user do
Fabricate(:user)
end
let :api_key do
UserApiKey.create!(
application_name: 'my app',
client_id: '1234',
scopes: ['read'],
key: SecureRandom.hex,
user_id: user.id
)
end
it "allows user API access correctly" do
params = {
"REQUEST_METHOD" => "GET",
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"HTTP_USER_API_KEY" => api_key.key,
}
good_provider = provider("/", params)
expect(good_provider.current_user.id).to eq(user.id)
expect(good_provider.is_api?).to eq(false)
expect(good_provider.is_user_api?).to eq(true)
expect {
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provider("/", params.merge("REQUEST_METHOD" => "POST")).current_user
}.to raise_error(Discourse::InvalidAccess)
user.update_columns(suspended_till: 1.year.from_now)
expect {
provider("/", params).current_user
}.to raise_error(Discourse::InvalidAccess)
end
context "rate limiting" do
before do
RateLimiter.enable
end
after do
RateLimiter.disable
end
it "rate limits api usage" do
limiter1 = RateLimiter.new(nil, "user_api_day_#{api_key.key}", 10, 60)
limiter2 = RateLimiter.new(nil, "user_api_min_#{api_key.key}", 10, 60)
limiter1.clear!
limiter2.clear!
global_setting :max_user_api_reqs_per_day, 3
global_setting :max_user_api_reqs_per_minute, 4
params = {
"REQUEST_METHOD" => "GET",
"HTTP_USER_API_KEY" => api_key.key,
}
3.times do
provider("/", params).current_user
end
expect {
provider("/", params).current_user
}.to raise_error(RateLimiter::LimitExceeded)
global_setting :max_user_api_reqs_per_day, 4
global_setting :max_user_api_reqs_per_minute, 3
limiter1.clear!
limiter2.clear!
3.times do
provider("/", params).current_user
end
expect {
provider("/", params).current_user
}.to raise_error(RateLimiter::LimitExceeded)
end
end
end
end