github.com/greenpau/go-authcrunch@v1.1.4/pkg/authn/serve_http.go (about)

     1  // Copyright 2022 Paul Greenberg greenpau@outlook.com
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package authn
    16  
    17  import (
    18  	"context"
    19  	"github.com/greenpau/go-authcrunch/pkg/requests"
    20  	"github.com/greenpau/go-authcrunch/pkg/util"
    21  	"net/http"
    22  	"strings"
    23  )
    24  
    25  // ServeHTTP is a gateway for the authentication portal.
    26  func (p *Portal) ServeHTTP(ctx context.Context, w http.ResponseWriter, r *http.Request, rr *requests.Request) error {
    27  	if rr.ID == "" {
    28  		rr.ID = util.GetRequestID(r)
    29  	}
    30  	rr.Logger = p.logger
    31  	rr.Upstream.Request = r
    32  	rr.Upstream.ContentType = util.GetContentType(r)
    33  	rr.Response.Authenticated = false
    34  	if p.config.UI.Title != "" {
    35  		rr.Response.Title = p.config.UI.Title
    36  	}
    37  	rr.Response.RedirectTokenName = p.cookie.Referer
    38  	switch {
    39  	case strings.Contains(r.URL.Path, "/api/"):
    40  		return p.handleAPI(ctx, w, r, rr)
    41  	case strings.Contains(r.URL.Path, "/qrcode/"):
    42  		return p.handleQRCode(ctx, w, r, rr)
    43  	case strings.Contains(r.URL.RawQuery, "format=json"):
    44  		return p.handleJSON(ctx, w, r, rr)
    45  	}
    46  
    47  	switch rr.Upstream.ContentType {
    48  	case "application/json":
    49  		return p.handleJSON(ctx, w, r, rr)
    50  	}
    51  
    52  	return p.handleHTTP(ctx, w, r, rr)
    53  }