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

     1  // Copyright 2024 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  	"fmt"
    20  	"net/http"
    21  	"regexp"
    22  	"strings"
    23  
    24  	"github.com/greenpau/go-authcrunch/pkg/identity"
    25  	"github.com/greenpau/go-authcrunch/pkg/ids"
    26  	"github.com/greenpau/go-authcrunch/pkg/requests"
    27  	"github.com/greenpau/go-authcrunch/pkg/user"
    28  )
    29  
    30  var gpgKeyRegexPattern1 = regexp.MustCompile(`^[-]{3,5}\s*BEGIN\sPGP\sPUBLIC\sKEY\sBLOCK[-]{3,5}\s*`)
    31  var gpgKeyRegexPattern2 = regexp.MustCompile(`[-]{3,5}\s*END\sPGP\sPUBLIC\sKEY\sBLOCK[-]{3,5}\s*$`)
    32  
    33  // TestUserGPGKey tests GPG key.
    34  func (p *Portal) TestUserGPGKey(
    35  	ctx context.Context,
    36  	w http.ResponseWriter,
    37  	r *http.Request,
    38  	rr *requests.Request,
    39  	parsedUser *user.User,
    40  	resp map[string]interface{},
    41  	usr *user.User,
    42  	backend ids.IdentityStore,
    43  	bodyData map[string]interface{}) error {
    44  
    45  	rr.Key.Usage = "gpg"
    46  
    47  	// Extract data.
    48  	if v, exists := bodyData["content"]; exists {
    49  		switch keyContent := v.(type) {
    50  		case string:
    51  			rr.Key.Payload = strings.TrimSpace(keyContent)
    52  		default:
    53  			resp["message"] = "Profile API did find key content in the request payload, but it is malformed"
    54  			return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    55  		}
    56  	} else {
    57  		resp["message"] = "Profile API did not find key content in the request payload"
    58  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    59  	}
    60  
    61  	// Validate data.
    62  	if !gpgKeyRegexPattern1.MatchString(rr.Key.Payload) || !gpgKeyRegexPattern2.MatchString(rr.Key.Payload) {
    63  		resp["message"] = "Profile API found non-compliant GPG public key value"
    64  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    65  	}
    66  
    67  	pk, err := identity.NewPublicKey(rr)
    68  	if err != nil {
    69  		var errMsg string = fmt.Sprintf("the Profile API failed to convert input into GPG key: %v", err)
    70  		resp["message"] = errMsg
    71  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    72  	}
    73  
    74  	respData := make(map[string]interface{})
    75  	if pk != nil {
    76  		respData["success"] = true
    77  		if pk.FingerprintMD5 != "" {
    78  			respData["fingerprint_md5"] = pk.FingerprintMD5
    79  		}
    80  		if pk.Fingerprint != "" {
    81  			respData["fingerprint"] = pk.Fingerprint
    82  		}
    83  		if pk.Comment != "" {
    84  			respData["comment"] = pk.Comment
    85  		}
    86  	} else {
    87  		respData["success"] = false
    88  	}
    89  	resp["entry"] = respData
    90  	return handleAPIProfileResponse(w, rr, http.StatusOK, resp)
    91  }