Use POST for token generation

documentation/api/v1/auth_api_doc.rb

@@ -16,25 +16,20 @@ module AuthApiDoc
 
   swagger_path '/api/v1/auth/generate-token' do
     # Swagger documentation for /api/v1/auth/generate-token GET
-    operation :get do
+    operation :post do
 
       key :description, 'Return a valid Authorization Bearer token.'
       key :tags, [ 'auth' ]
 
       parameter do
-        key :name, :username
-        key :in, :query
-        key :description, 'The username for the user you want to authenticate.'
+        key :in, :body
+        key :name, :body
+        key :description, 'Login credentials for the user who will be generating a token.'
         key :required, true
-        key :type, :string
-      end
-
-      parameter do
-        key :name, :password
-        key :in, :query
-        key :description, 'The password for the user you want to authenticate.'
-        key :required, true
-        key :type, :string
+        schema do
+          property :username, type: :string, required: true
+          property :password, type: :string, required: true
+        end
       end
 
       response 200 do

lib/msf/core/web_services/authentication/strategies/user_password.rb

@@ -16,15 +16,19 @@ module Authentication
       # Check if request contains valid data and should be authenticated.
       # @return [Boolean] true if strategy should be run for the request; otherwise, false.
       def valid?
-        params['username'] && params['password']
+        body = JSON.parse(request.body.read, symbolize_names: true)
+        request.body.rewind # Reset the StringIO buffer so any further consumers can read the body
+        body[:username] && body[:password]
       end
 
       # Authenticate the request.
       def authenticate!
+        body = JSON.parse(request.body.read, symbolize_names: true)
+        request.body.rewind # Reset the StringIO buffer so any further consumers can read the body
         db_manager = env['msf.db_manager']
-        user = db_manager.users(username: params['username']).first
+        user = db_manager.users(username: body[:username]).first
 
-        if user.nil? || !db_manager.authenticate_user(id: user.id, password: params['password'])
+        if user.nil? || !db_manager.authenticate_user(id: user.id, password: body[:password])
           fail("Invalid username or password.")
         else
           success!(user)

lib/msf/core/web_services/servlet/auth_servlet.rb

@@ -31,7 +31,7 @@ module AuthServlet
     app.post AuthServlet.api_login_path, &post_login
 
     app.get AuthServlet.api_logout_path, &get_logout
-    app.get AuthServlet.api_generate_token_path, &get_generate_token
+    app.post AuthServlet.api_generate_token_path, &post_generate_token
     app.post "#{AuthServlet.api_unauthenticated_path}/?:scope?", &post_unauthenticated
   end
 
@@ -75,7 +75,7 @@ module AuthServlet
   end
 
   # Generate a new API token for the current user
-  def self.get_generate_token
+  def self.post_generate_token
     lambda {
       # change action to drop the scope param since this is used
       # by XMLHttpRequest (XHR) and we don't want a redirect